build: fix release build

* fix: don't stop loading classes in case of an error
* style: reformat code

.codecov.yml

@@ -0,0 +1,14 @@
+coverage:
+  precision: 2
+  round: down
+  range: "50...100"
+
+  status:
+    project:
+      default: on
+    patch:
+      default: on
+    changes:
+      default: off
+
+comment: false

.editorconfig

@@ -0,0 +1,20 @@
+# EditorConfig is awesome: https://EditorConfig.org
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+indent_style = tab
+tab_width = 4
+continuation_indent_size = 8 #IntelliJ Idea specific workaround
+
+charset = utf-8
+trim_trailing_whitespace = true
+
+[*.yml]
+indent_style = space
+indent_size = 2
+
+[*.bat]
+end_of_line = crlf

.github/ISSUE_TEMPLATE/decompilation-error.md

@@ -0,0 +1,22 @@
+---
+name: Decompilation error
+about: Create a report to help us improve jadx decompiler
+title: "[core]"
+labels: Core, bug
+assignees: ''
+
+---
+
+**Checks before report**
+- check [latest unstable build](https://bintray.com/skylot/jadx/unstable/_latestVersion#files) (maybe issue already fixed)
+- check [Troubleshooting Q&A](https://github.com/skylot/jadx/wiki/Troubleshooting-Q&A) section on wiki
+- search existing issues by exception message
+
+**Describe error**
+- provide full name of method or class with error
+- provide full java stacktrace
+
+  **Note**: no need to copy method fallback code (commented pseudocode)
+- attach or provide link to apk file (double check apk version)
+
+  **Note**: GitHub don't allow attach files with `.apk` extension, but you can change extension by adding `.zip` at the end :)

.github/ISSUE_TEMPLATE/feature-request.md

@@ -0,0 +1,10 @@
+---
+name: Feature Request
+about: Suggest an idea for jadx
+title: "[feature]"
+labels: new feature
+assignees: ''
+
+---
+
+*Describe your idea:*

.github/pull_request_template.md

@@ -0,0 +1,5 @@
+:exclamation: Please review the [guidelines for contributing](../CONTRIBUTING.md#Pull-Request-Process)
+
+### Description
+Please describe your pull request.
+Reference issue it fix.

.gitignore

@@ -9,14 +9,20 @@ out/
 *.iml
 *.ipr
 *.iws
+.attach_pid*
+*.hprof
+
+**/.DS_Store
 
 bin/
 target/
 build/
+classes/
 idea/
 .gradle/
-gradle.properties
+node_modules/
 
+jadx-output/
 *-tmp/
 
 *.dex
@@ -24,4 +30,4 @@ gradle.properties
 *.dump
 *.log
 *.cfg
-
+*.orig

.gitlab-ci.yml

@@ -0,0 +1,37 @@
+variables:
+  GRADLE_OPTS: "-Dorg.gradle.daemon=false"
+  TERM: "dumb"
+
+before_script:
+  - chmod +x gradlew
+
+stages:
+  - test
+  - check
+
+java-8:
+  stage: test
+  image: openjdk:8
+  script: ./gradlew clean build
+
+java-11:
+  stage: test
+  image: openjdk:11
+  script: ./gradlew clean build
+
+java-12:
+  stage: test
+  image: gradle:jdk12 # latest gradle and jdk12
+  script: gradle clean build
+
+check:
+  stage: check
+  image: openjdk:8
+  script:
+    - export JADX_LAST_TAG="$(git describe --abbrev=0 --tags)"
+    - export JADX_VERSION="${JADX_LAST_TAG:1}-dev-$(git rev-parse --short HEAD)"
+    - ./gradlew clean sonarqube -Dsonar.host.url="${SONAR_HOST}" -Dsonar.projectKey=jadx -Dsonar.organization="${SONAR_ORG}" -Dsonar.login="${SONAR_TOKEN}" -Dsonar.branch.name=dev || echo "Skip sonar build and upload"
+    - ./gradlew clean dist
+  artifacts:
+    paths:
+      - build/jadx*.zip

.releaserc.yml

@@ -0,0 +1,35 @@
+branch: release
+verifyConditions:
+  - '@semantic-release/github'
+
+prepare:
+  - path: '@semantic-release/exec'
+    cmd: "JADX_VERSION=${nextRelease.version} ./gradlew clean dist"
+
+preset: "angular"
+
+generateNotes:
+  - path: '@semantic-release/release-notes-generator'
+    writerOpts:
+      groupBy: "type"
+      commitGroupsSort:
+        - "feat"
+        - "perf"
+        - "fix"
+      commitsSort: "header"
+
+publish:
+  - path: '@semantic-release/exec'
+    cmd: "JADX_VERSION=${nextRelease.version} BINTRAY_PACKAGE=releases bash scripts/bintray-upload.sh"
+  - path: '@semantic-release/github'
+    assets:
+      - path: 'build/*.zip'
+      - path: 'build/*.exe'
+
+success:
+  - path: '@semantic-release/github'
+    successComment: false
+
+fail:
+  - path: '@semantic-release/github'
+    failComment: false

.travis.yml

@@ -1,24 +1,41 @@
 language: java
-jdk:
-    - oraclejdk8
-    - oraclejdk7
-    - openjdk6
+os: linux
+dist: trusty
+
+# don't build on tag push
+if: tag IS blank
+
+git:
+  depth: false
 
 before_install:
-    - chmod +x gradlew
+  - chmod +x gradlew
 
-script:
-    - TERM=dumb ./gradlew clean build dist
+# override install to skip 'gradle assemble'
+install: true
 
-after_success:
-    - TERM=dumb ./gradlew jacocoTestReport coveralls
+env:
+  global:
+    - TERM=dumb
+    - JADX_LAST_TAG=$(git describe --abbrev=0 --tags)
+    - JADX_VERSION="${JADX_LAST_TAG:1}-b$TRAVIS_BUILD_NUMBER-$(git rev-parse --short HEAD)"
 
-sudo: false
+jdk:
+  - openjdk8
+  - openjdk11
 
-cache:
-    directories:
-        - $HOME/.gradle
+script: ./gradlew clean build
 
-notifications:
-    email:
-        - skylot@gmail.com
+jobs:
+  include:
+    - stage: deploy-unstable
+      jdk: openjdk8
+      if: branch = master AND repo = env(MAIN_REPO) AND type = push
+      script: bash scripts/travis-master.sh
+
+    - stage: deploy-release
+      language: node_js
+      jdk: openjdk8
+      node_js: 11
+      if: branch = release AND repo = env(MAIN_REPO) AND type = push
+      script: bash scripts/travis-release.sh

CODE_OF_CONDUCT.md

@@ -0,0 +1,76 @@
+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to making participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, sex characteristics, gender identity and expression,
+level of experience, education, socio-economic status, nationality, personal
+appearance, race, religion, or sexual identity and orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery and unwelcome sexual attention or
+ advances
+* Trolling, insulting/derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or electronic
+ address, without explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+ professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
+
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct, or to ban temporarily or
+permanently any contributor for other behaviors that they deem inappropriate,
+threatening, offensive, or harmful.
+
+## Scope
+
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community. Examples of
+representing a project or community include using an official project e-mail
+address, posting via an official social media account, or acting as an appointed
+representative at an online or offline event. Representation of a project may be
+further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting the project team at skylot@gmail.com. All
+complaints will be reviewed and investigated and will result in a response that
+is deemed necessary and appropriate to the circumstances. The project team is
+obligated to maintain confidentiality with regard to the reporter of an incident.
+Further details of specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
+available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
+
+[homepage]: https://www.contributor-covenant.org
+
+For answers to common questions about this code of conduct, see
+https://www.contributor-covenant.org/faq

CONTRIBUTING.md

@@ -0,0 +1,34 @@
+# Contributing
+
+Please note we have a [code of conduct](CODE_OF_CONDUCT.md), please follow it in all your interactions with the project.
+
+## Open Issue
+
+1. Before proceed please do:
+    - check [latest unstable build](https://bintray.com/skylot/jadx/unstable/_latestVersion#files) (maybe issue already fixed)
+    - check [Troubleshooting Q&A](https://github.com/skylot/jadx/wiki/Troubleshooting-Q&A) section on wiki
+    - search existing issues by exception message
+
+2. Describe error
+    - provide full name of method or class with error
+    - provide full java stacktrace
+
+      **Note**: no need to copy method fallback code (commented pseudocode)
+    - attach or provide link to apk file (double check apk version)
+
+      **Note**: GitHub don't allow attach files with `.apk` extension, but you can change extension by adding `.zip` at the end :)
+
+
+## Pull Request Process
+
+1. Please don't submit any code style fixes, dependencies updates or other changes which are not fixing any issues.
+
+1. Before open a PR please discuss the change you wish to make via issue. PR without corresponding issue will be rejected.
+
+1. Use only features and API from Java 8 or below.
+
+1. If possible don't add additional dependencies especially if they are big.
+
+1. Make sure your code is correctly formatted, see description here: [Code Formatting](https://github.com/skylot/jadx/wiki/Code-Formatting).
+
+1. Make sure your changes is passing build: `./gradlew clean build dist`

NOTICE

@@ -144,7 +144,8 @@ THE POSSIBILITY OF SUCH DAMAGE.
 Jadx-gui components
 ===================
 
-RSyntaxTextArea library licensed under modified BSD license:
+RSyntaxTextArea library (https://github.com/bobbylight/RSyntaxTextArea)
+licensed under modified BSD license:
 
 *******************************************************************************
 Copyright (c) 2012, Robert Futrell
@@ -174,8 +175,39 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *******************************************************************************
 
 
-Icons copied from several places:
- - Eclipse Project (JDT UI) - licensed under EPL v1.0 (http://www.eclipse.org/legal/epl-v10.html)
- - famfamfam silk icon set (http://www.famfamfam.com/lab/icons/silk/) - licensed under Creative Commons Attribution 2.5 License (http://creativecommons.org/licenses/by/2.5/)
+Concurrent Trees (https://code.google.com/p/concurrent-trees/)
+licenced under Apache License 2.0:
+
+*******************************************************************************
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*******************************************************************************
+
+
+Image Viewer (https://github.com/kazocsaba/imageviewer)
+
+*******************************************************************************
+Copyright (c) 2008-2012 Kazó Csaba
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*******************************************************************************
 
 JFontChooser Component - http://sourceforge.jp/projects/jfontchooser/
+
+Icons copied from several places:
+ - Eclipse Project (JDT UI) - licensed under EPL v1.0 (http://www.eclipse.org/legal/epl-v10.html)
+ - famfamfam silk icon set (http://www.famfamfam.com/lab/icons/silk/) - licensed
+     under Creative Commons Attribution 2.5 License (http://creativecommons.org/licenses/by/2.5/)

README.md

@@ -1,89 +1,125 @@
 ## JADX
 
 [![Build Status](https://travis-ci.org/skylot/jadx.png?branch=master)](https://travis-ci.org/skylot/jadx)
-[![Build Status](https://drone.io/github.com/skylot/jadx/status.png)](https://drone.io/github.com/skylot/jadx/latest)
-[![Coverage Status](https://coveralls.io/repos/skylot/jadx/badge.png)](https://coveralls.io/r/skylot/jadx)
-[![Coverity Scan Build Status](https://scan.coverity.com/projects/2166/badge.svg)](https://scan.coverity.com/projects/2166)
+[![Code Coverage](https://codecov.io/gh/skylot/jadx/branch/master/graph/badge.svg)](https://codecov.io/gh/skylot/jadx)
+[![Alerts from lgtm.com](https://img.shields.io/lgtm/alerts/g/skylot/jadx.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/skylot/jadx/alerts/)
+[![SonarQube Bugs](https://sonarcloud.io/api/project_badges/measure?project=jadx&metric=bugs)](https://sonarcloud.io/dashboard?id=jadx)
 [![License](http://img.shields.io/:license-apache-blue.svg)](http://www.apache.org/licenses/LICENSE-2.0.html)
+[![semantic-release](https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg)](https://github.com/semantic-release/semantic-release)
 
 **jadx** - Dex to Java decompiler
 
 Command line and GUI tools for produce Java source code from Android Dex and Apk files
 
-![jadx-gui screenshot](http://skylot.github.io/jadx/jadx-gui.png)
+**Main features:**
+- decompile Dalvik bytecode to java classes from APK, dex, aar and zip files
+- decode `AndroidManifest.xml` and other resources from `resources.arsc`
+- deobfuscator included
 
-### Downloads
-- [unstable](https://drone.io/github.com/skylot/jadx/files)
-- from [github](https://github.com/skylot/jadx/releases)
-- from [sourceforge](http://sourceforge.net/projects/jadx/files/)
+**jadx-gui features:**
+- view decompiled code with highlighted syntax
+- jump to declaration
+- find usage
+- full text search
+
+See these features in action here: [jadx-gui features overview](https://github.com/skylot/jadx/wiki/jadx-gui-features-overview)
 
 
-### Building from source
-    git clone https://github.com/skylot/jadx.git
-    cd jadx
-    ./gradlew dist
+![jadx-gui screenshot](https://i.imgur.com/h917IBZ.png)
+
+
+### Download
+- latest [unstable build: ![Download](https://api.bintray.com/packages/skylot/jadx/unstable/images/download.svg) ](https://bintray.com/skylot/jadx/unstable/_latestVersion#files)
+- release from [github: ![Latest release](https://img.shields.io/github/release/skylot/jadx.svg)](https://github.com/skylot/jadx/releases/latest)
+- release from [bintray: ![Download](https://api.bintray.com/packages/skylot/jadx/releases/images/download.svg) ](https://bintray.com/skylot/jadx/releases/_latestVersion#files)
+
+After download unpack zip file go to `bin` directory and run:
+- `jadx` - command line version
+- `jadx-gui` - UI version
+
+On Windows run `.bat` files with double-click\
+**Note:** ensure you have installed Java 8 or later 64-bit version.
+For windows you can download it from [adoptopenjdk.net](https://adoptopenjdk.net/releases.html?variant=openjdk11&jvmVariant=hotspot#x64_win) (select "Install JRE").
+
+### Install
+1. Arch linux
+    ```bash
+        sudo pacman -S jadx
+    ```
+2. macOS
+    ```bash
+        brew install jadx
+    ```
+
+### Build from source
+JDK 8 or higher must be installed:
+```
+git clone https://github.com/skylot/jadx.git
+cd jadx
+./gradlew dist
+```
 
 (on Windows, use `gradlew.bat` instead of `./gradlew`)
 
 Scripts for run jadx will be placed in `build/jadx/bin`
 and also packed to `build/jadx-<version>.zip`
 
-
-### Run
-Run **jadx** on itself:
-
-    cd build/jadx/
-    bin/jadx -d out lib/jadx-core-*.jar
-    #or
-    bin/jadx-gui lib/jadx-core-*.jar
-
-
 ### Usage
 ```
-jadx[-gui] [options] <input file> (.dex, .apk, .jar or .class)
+jadx[-gui] [options] <input file> (.apk, .dex, .jar, .class, .smali, .zip, .aar, .arsc)
 options:
- -d, --output-dir        - output directory
- -j, --threads-count     - processing threads count
- -f, --fallback          - make simple dump (using goto instead of 'if', 'for', etc)
- -r, --no-res            - do not decode resources
- -s, --no-src            - do not decompile source code
-     --show-bad-code     - show inconsistent code (incorrectly decompiled)
-     --cfg               - save methods control flow graph to dot file
-     --raw-cfg           - save methods control flow graph (use raw instructions)
- -v, --verbose           - verbose output
-     --deobf             - activate deobfuscation
-     --deobf-min         - min length of name
-     --deobf-max         - max length of name
-     --deobf-rewrite-cfg - force to save deobfuscation map
- -h, --help              - print this help
+  -d, --output-dir                    - output directory
+  -ds, --output-dir-src               - output directory for sources
+  -dr, --output-dir-res               - output directory for resources
+  -r, --no-res                        - do not decode resources
+  -s, --no-src                        - do not decompile source code
+  --single-class                      - decompile a single class
+  --output-format                     - can be 'java' or 'json', default: java
+  -e, --export-gradle                 - save as android gradle project
+  -j, --threads-count                 - processing threads count, default: 4
+  --show-bad-code                     - show inconsistent code (incorrectly decompiled)
+  --no-imports                        - disable use of imports, always write entire package name
+  --no-debug-info                     - disable debug info
+  --no-inline-anonymous               - disable anonymous classes inline
+  --no-replace-consts                 - don't replace constant value with matching constant field
+  --escape-unicode                    - escape non latin characters in strings (with \u)
+  --respect-bytecode-access-modifiers - don't change original access modifiers
+  --deobf                             - activate deobfuscation
+  --deobf-min                         - min length of name, renamed if shorter, default: 3
+  --deobf-max                         - max length of name, renamed if longer, default: 64
+  --deobf-rewrite-cfg                 - force to save deobfuscation map
+  --deobf-use-sourcename              - use source file name as class name alias
+  --rename-flags                      - what to rename, comma-separated, 'case' for system case sensitivity, 'valid' for java identifiers, 'printable' characters, 'none' or 'all' (default)
+  --fs-case-sensitive                 - treat filesystem as case sensitive, false by default
+  --cfg                               - save methods control flow graph to dot file
+  --raw-cfg                           - save methods control flow graph (use raw instructions)
+  -f, --fallback                      - make simple dump (using goto instead of 'if', 'for', etc)
+  -v, --verbose                       - verbose output (set --log-level to DEBUG)
+  -q, --quiet                         - turn off output (set --log-level to QUIET)
+  --log-level                         - set log level, values: QUIET, PROGRESS, ERROR, WARN, INFO, DEBUG, default: PROGRESS
+  --version                           - print jadx version
+  -h, --help                          - print this help
 Example:
  jadx -d out classes.dex
+ jadx --rename-flags "none" classes.dex
+ jadx --rename-flags "valid,printable" classes.dex
+ jadx --log-level error app.apk
 ```
+These options also worked on jadx-gui running from command line and override options from preferences dialog
 
 ### Troubleshooting
-##### Out of memory error:
-  - Reduce processing threads count (`-j` option)
-  - Increase maximum java heap size:
-    * command line (example for linux):
-      `JAVA_OPTS="-Xmx4G" jadx -j 1 some.apk`
-    * edit 'jadx' script (jadx.bat on Windows) and setup bigger heap size:
-      `DEFAULT_JVM_OPTS="-Xmx2500M"`
-
-
-### Contribution
+Please check wiki page [Troubleshooting Q&A](https://github.com/skylot/jadx/wiki/Troubleshooting-Q&A)
 
+### Contributing
 To support this project you can:
   - Post thoughts about new features/optimizations that important to you
-  - Submit bug using one of following patterns:
-    * Java code examples which decompiles incorrectly
-    * Error log and link to _public available_ apk file or app page on Google play
+  - Submit decompilation issues, please read before proceed: [Open issue](CONTRIBUTING.md#Open-Issue)
+  - Open pull request, please follow these rules: [Pull Request Process](CONTRIBUTING.md#Pull-Request-Process)
 
-And any other comments will be very helpfull,
-because at current stage of development it is very time consuming
-to **find** new bugs, design and implement new features.
-Also I need to **prioritize** these task for complete most important at first.
+### Related projects:
+- [PyJadx](https://github.com/romainthomas/pyjadx) - python binding for jadx by [@romainthomas](https://github.com/romainthomas)
 
 ---------------------------------------
 *Licensed under the Apache 2.0 License*
 
-*Copyright 2015 by Skylot*
+*Copyright 2019 by Skylot*

build.gradle

@@ -1,109 +1,161 @@
-buildscript {
-    repositories {
-        mavenCentral()
-        jcenter()
-    }
-}
-
 plugins {
-    id "com.github.kt3k.coveralls" version "2.3.1"
-    id "info.solidsoft.pitest" version "1.1.4"
-//    id "com.github.ben-manes.versions" version "0.8"
+	id 'org.sonarqube' version '2.8'
+	id 'com.github.ben-manes.versions' version '0.27.0'
+	id "com.diffplug.gradle.spotless" version "3.26.0"
 }
 
-apply plugin: 'sonar-runner'
-
-ext.jadxVersion = file('version').readLines().get(0)
+ext.jadxVersion = System.getenv('JADX_VERSION') ?: "dev"
 version = jadxVersion
+println("jadx version: ${jadxVersion}")
 
-subprojects {
-    apply plugin: 'java'
-    apply plugin: 'groovy'
-    apply plugin: 'jacoco'
-    apply plugin: 'com.github.kt3k.coveralls'
+allprojects {
+	apply plugin: 'java'
+	apply plugin: 'jacoco'
+	apply plugin: 'checkstyle'
 
-    version = jadxVersion
+	version = jadxVersion
 
-    tasks.withType(JavaCompile) {
-        sourceCompatibility = JavaVersion.VERSION_1_6
-        targetCompatibility = JavaVersion.VERSION_1_6
+	tasks.withType(JavaCompile) {
+		if (!"$it".contains(':jadx-samples:')) {
+			options.compilerArgs << '-Xlint' << '-Xlint:unchecked' << '-Xlint:deprecation'
+		}
+	}
 
-        if (!"$it".contains(':jadx-samples:')) {
-            options.compilerArgs << '-Xlint' << '-Xlint:unchecked' << '-Xlint:deprecation'
-        }
-    }
+	compileJava {
+		options.encoding = "UTF-8"
+	}
 
-    jar {
-        version = jadxVersion
-        manifest {
-            mainAttributes('jadx-version': jadxVersion)
-        }
-    }
+	jar {
+		version = jadxVersion
+		manifest {
+			mainAttributes('jadx-version': jadxVersion)
+		}
+	}
 
-    dependencies {
-        compile 'org.slf4j:slf4j-api:1.7.10'
+	dependencies {
+		compile 'org.slf4j:slf4j-api:1.7.29'
 
-        testCompile 'ch.qos.logback:logback-classic:1.1.2'
-        testCompile 'junit:junit:4.12'
-        testCompile 'org.hamcrest:hamcrest-library:1.3'
-        testCompile 'org.mockito:mockito-core:1.10.19'
-        testCompile 'org.spockframework:spock-core:1.0-groovy-2.4'
-        testCompile 'cglib:cglib-nodep:3.1'
-    }
+		testCompile 'ch.qos.logback:logback-classic:1.2.3'
+		testCompile 'org.hamcrest:hamcrest-library:2.2'
+		testCompile 'org.mockito:mockito-core:3.1.0'
+		testCompile 'org.assertj:assertj-core:3.14.0'
 
-    repositories {
-        mavenCentral()
-        mavenLocal()
-        jcenter()
-    }
+		testImplementation 'org.junit.jupiter:junit-jupiter-api:5.5.2'
+		testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.5.2'
 
-    jacocoTestReport {
-        reports {
-            xml.enabled = true // coveralls plugin depends on xml format report
-            html.enabled = true
-        }
-    }
+		testCompile 'org.eclipse.jdt.core.compiler:ecj:4.6.1'
+	}
+
+	test {
+		useJUnitPlatform()
+	}
+
+	repositories {
+		mavenLocal()
+		mavenCentral()
+		jcenter()
+		google()
+	}
+
+	jacoco {
+		toolVersion = "0.8.2"
+	}
+	jacocoTestReport {
+		reports {
+			xml.enabled = true
+			html.enabled = true
+		}
+	}
+
+	checkstyleMain {
+		// exclude all sources in samples module
+		exclude '**/samples/**'
+	}
 }
 
-/* Sonar runner configuration */
-repositories {
-    mavenCentral()
+sonarqube {
+	properties {
+		property 'sonar.exclusions', '**/jadx/samples/**/*,**/test-app/**/*'
+		property 'sonar.coverage.exclusions', '**/jadx/gui/**/*'
+	}
 }
-sonarRunner {
-    toolVersion = '2.4'
+
+spotless {
+	java {
+		target fileTree(rootDir).matching {
+			include 'jadx-cli/src/**/java/**/*.java'
+			include 'jadx-core/src/**/java/**/*.java'
+			include 'jadx-gui/src/**/java/**/*.java'
+		}
+
+		importOrderFile 'config/code-formatter/eclipse.importorder'
+		eclipse().configFile 'config/code-formatter/eclipse.xml'
+		removeUnusedImports()
+
+		lineEndings(com.diffplug.spotless.LineEnding.UNIX)
+		encoding("UTF-8")
+		trimTrailingWhitespace()
+		endWithNewline()
+	}
+	format 'misc', {
+		target '**/*.gradle', '**/*.md', '**/*.xml', '**/.gitignore', '**/.properties'
+		targetExclude ".gradle/**", ".idea/**"
+
+		lineEndings(com.diffplug.spotless.LineEnding.UNIX)
+		encoding("UTF-8")
+		trimTrailingWhitespace()
+		endWithNewline()
+	}
+}
+
+dependencyUpdates.resolutionStrategy = {
+	componentSelection { rules ->
+		rules.all { ComponentSelection selection ->
+			boolean rejected = ['alpha', 'beta', 'rc', 'cr', 'm', 'atlassian'].any { qualifier ->
+				selection.candidate.version ==~ /(?i).*[.-]${qualifier}[.\d-]*/
+			}
+			if (rejected) {
+				selection.reject('Release candidate')
+			}
+		}
+	}
 }
 
 task copyArtifacts(type: Sync, dependsOn: ['jadx-cli:installDist', 'jadx-gui:installDist']) {
-    destinationDir file("$buildDir/jadx")
-    ['jadx-cli', 'jadx-gui'].each {
-        from tasks.getByPath(":${it}:installDist").destinationDir
-    }
+	destinationDir file("$buildDir/jadx")
+	['jadx-cli', 'jadx-gui'].each {
+		from tasks.getByPath(":${it}:installDist").destinationDir
+	}
 }
 
 task pack(type: Zip, dependsOn: copyArtifacts) {
-    destinationDir buildDir
-    archiveName "jadx-${jadxVersion}.zip"
-    from copyArtifacts.destinationDir
+	destinationDir buildDir
+	archiveName "jadx-${jadxVersion}.zip"
+	from copyArtifacts.destinationDir
 }
 
-task dist(dependsOn: pack) {
-    description = 'Build jadx distribution zip'
+task copyExe(type: Copy, dependsOn: 'jadx-gui:createExe') {
+	group 'jadx'
+	description = 'Copy exe to build dir'
+	destinationDir buildDir
+	from tasks.getByPath('jadx-gui:createExe').outputs
+	include '*.exe'
+}
+
+task dist(dependsOn: [pack, copyExe]) {
+	group 'jadx'
+	description = 'Build jadx distribution zip'
 }
 
 task samples(dependsOn: 'jadx-samples:samples') {
-}
-
-task pitest(overwrite: true, dependsOn: 'jadx-core:pitest') {
+	group 'jadx'
 }
 
 task cleanBuildDir(type: Delete) {
-    delete buildDir
+	group 'jadx'
+	delete buildDir
 }
 
-build.dependsOn(dist, samples)
+test.dependsOn(samples)
 
 clean.dependsOn(cleanBuildDir)
-
-task wrapper(type: Wrapper) {
-    gradleVersion = '2.3'
-}

config/checkstyle/checkstyle.xml

@@ -0,0 +1,126 @@
+<?xml version="1.0" ?>
+
+<!DOCTYPE module PUBLIC
+		"-//Puppy Crawl//DTD Check Configuration 1.2//EN"
+		"http://www.puppycrawl.com/dtds/configuration_1_2.dtd">
+
+<module name="Checker">
+	<property name="fileExtensions" value="java, properties, xml"/>
+	<property name="charset" value="UTF-8"/>
+
+	<module name="TreeWalker">
+		<property name="tabWidth" value="4"/>
+		<module name="RegexpSinglelineJava">
+			<property name="format" value="^\t* "/>
+			<property name="message" value="Indent must use tab characters"/>
+			<property name="ignoreComments" value="true"/>
+		</module>
+		<module name="RegexpSinglelineJava">
+			<property name="format" value="^(?!\s+\* $).*?\s+$"/>
+			<property name="message" value="Line has trailing spaces."/>
+		</module>
+		<module name="AvoidEscapedUnicodeCharacters">
+			<property name="allowEscapesForControlCharacters" value="true"/>
+			<property name="allowByTailComment" value="true"/>
+			<property name="allowNonPrintableEscapes" value="true"/>
+		</module>
+
+		<module name="EmptyLineSeparator">
+			<property name="allowNoEmptyLineBetweenFields" value="true"/>
+			<property name="allowMultipleEmptyLines" value="false"/>
+		</module>
+
+		<!-- whitespaces -->
+		<module name="SingleSpaceSeparator"/>
+		<module name="GenericWhitespace"/>
+		<module name="MethodParamPad"/>
+		<module name="NoWhitespaceBefore"/>
+		<module name="OperatorWrap"/>
+		<module name="ParenPad"/>
+		<module name="TypecastParenPad"/>
+		<module name="WhitespaceAfter"/>
+		<module name="WhitespaceAround">
+			<property name="allowEmptyMethods" value="true"/>
+		</module>
+		<!-- <module name="EmptyForIteratorPad"/> -->
+		<!-- <module name="NoWhitespaceAfter"/>-->
+
+		<module name="NoLineWrap"/>
+
+		<module name="IllegalImport"/> <!-- defaults to sun.* packages -->
+		<module name="RedundantImport"/>
+		<module name="UnusedImports"/>
+		<!-- <module name="AvoidStarImport"/> -->
+
+		<module name="NeedBraces"/>
+		<module name="LeftCurly"/>
+		<module name="RightCurly"/>
+		<module name="EmptyCatchBlock">
+			<property name="exceptionVariableName" value="expected|ignore"/>
+		</module>
+
+		<!-- naming -->
+		<module name="PackageName"/>
+		<module name="TypeName"/>
+		<module name="InterfaceTypeParameterName"/>
+		<module name="ClassTypeParameterName"/>
+		<module name="StaticVariableName"/>
+		<module name="ConstantName"/>
+		<module name="MemberName"/>
+		<module name="MethodName"/>
+		<module name="MethodTypeParameterName"/>
+		<module name="ParameterName"/>
+		<module name="LambdaParameterName"/>
+		<module name="LocalVariableName"/>
+		<module name="LocalFinalVariableName"/>
+		<module name="CatchParameterName"/>
+		<!-- <module name="HiddenField"/> -->
+
+		<!-- annotations -->
+		<module name="AnnotationLocation"/>
+		<module name="AnnotationUseStyle">
+			<property name="elementStyle" value="compact"/>
+		</module>
+		<module name="MissingOverride"/>
+		<!-- <module name="MissingDeprecated"/> -->
+
+		<module name="ModifierOrder"/>
+		<!-- <module name="RedundantModifier"/> -->
+		<!-- <module name="ParameterNumber"/> -->
+
+		<module name="EmptyStatement"/>
+		<module name="DefaultComesLast"/>
+		<module name="EqualsHashCode"/>
+		<module name="FallThrough"/>
+		<!-- <module name="IllegalCatch"/> -->
+		<module name="IllegalThrows"/>
+		<module name="IllegalType"/>
+		<module name="InnerAssignment"/>
+		<module name="MultipleVariableDeclarations"/>
+		<module name="NoClone"/>
+		<module name="NoFinalizer"/>
+		<module name="OneStatementPerLine"/>
+		<module name="PackageDeclaration"/>
+		<module name="StringLiteralEquality"/>
+
+		<!-- design -->
+		<module name="OneTopLevelClass"/>
+		<module name="MutableException"/>
+		<module name="InterfaceIsType"/>
+		<module name="ThrowsCount">
+			<property name="max" value="2"/>
+		</module>
+
+		<!-- misc -->
+		<module name="ArrayTypeStyle"/>
+		<module name="OuterTypeFilename"/>
+
+		<!-- sizes -->
+		<module name="OuterTypeNumber"/>
+
+		<module name="SuppressWarningsHolder"/>
+	</module>
+
+	<module name="NewlineAtEndOfFile"/>
+	<module name="SuppressWarningsFilter"/>
+</module>

config/code-formatter/eclipse.importorder

@@ -0,0 +1,8 @@
+#Import Order
+0=java
+1=javax
+2=org
+3=com
+4=
+5=jadx
+6=\#

config/code-formatter/eclipse.xml

@@ -0,0 +1,348 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<profiles version="16">
+    <profile kind="CodeFormatterProfile" name="jadx eclipse" version="16">
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_ellipsis" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_comma_in_enum_declarations" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_comma_in_allocation_expression" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_at_in_annotation_type_declaration" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.parentheses_positions_in_for_statment" value="common_lines"/>
+        <setting id="org.eclipse.jdt.core.formatter.comment.new_lines_at_block_boundaries" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_logical_operator" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_comma_in_constructor_declaration_parameters" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.comment.insert_new_line_for_parameter" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_package" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.parentheses_positions_in_method_invocation" value="common_lines"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_enum_constant" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.blank_lines_after_imports" value="1"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_closing_paren_in_while" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.comment.insert_new_line_before_root_tags" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_annotation_type_member_declaration" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_comma_in_method_declaration_throws" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.parentheses_positions_in_switch_statement" value="common_lines"/>
+        <setting id="org.eclipse.jdt.core.formatter.comment.format_javadoc_comments" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.indentation.size" value="4"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_postfix_operator" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.parentheses_positions_in_enum_constant_declaration" value="common_lines"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_comma_in_for_increments" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_comma_in_type_arguments" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_comma_in_for_inits" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_semicolon_in_for" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.align_with_spaces" value="false"/>
+        <setting id="org.eclipse.jdt.core.formatter.disabling_tag" value="@formatter:off"/>
+        <setting id="org.eclipse.jdt.core.formatter.continuation_indentation" value="2"/>
+        <setting id="org.eclipse.jdt.core.formatter.alignment_for_enum_constants" value="48"/>
+        <setting id="org.eclipse.jdt.core.formatter.blank_lines_before_imports" value="1"/>
+        <setting id="org.eclipse.jdt.core.formatter.blank_lines_after_package" value="1"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_comma_in_multiple_local_declarations" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.parentheses_positions_in_if_while_statement" value="common_lines"/>
+        <setting id="org.eclipse.jdt.core.formatter.alignment_for_arguments_in_enum_constant" value="16"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_opening_angle_bracket_in_parameterized_type_reference" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.comment.indent_root_tags" value="false"/>
+        <setting id="org.eclipse.jdt.core.formatter.wrap_before_or_operator_multicatch" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.enabling_tag" value="@formatter:on"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_closing_brace_in_block" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.comment.count_line_length_from_starting_position" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_parenthesized_expression_in_return" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.alignment_for_throws_clause_in_method_declaration" value="16"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_parameter" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.wrap_before_multiplicative_operator" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.keep_then_statement_on_same_line" value="false"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_field" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_comma_in_explicitconstructorcall_arguments" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_prefix_operator" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.blank_lines_between_type_declarations" value="1"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_closing_brace_in_array_initializer" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_closing_paren_in_for" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_opening_paren_in_catch" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_opening_angle_bracket_in_type_arguments" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_method" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_opening_paren_in_switch" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.alignment_for_parameterized_type_references" value="0"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_anonymous_type_declaration" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.alignment_for_logical_operator" value="16"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_closing_paren_in_parenthesized_expression" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.keep_annotation_declaration_on_one_line" value="one_line_never"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_enum_constant" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_multiplicative_operator" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.never_indent_line_comments_on_first_column" value="false"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_and_in_type_parameter" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_comma_in_for_inits" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.indent_statements_compare_to_block" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.brace_position_for_anonymous_type_declaration" value="end_of_line"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_question_in_wildcard" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_annotation" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_comma_in_method_invocation_arguments" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_switch" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.comment.align_tags_descriptions_grouped" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.comment.line_length" value="100"/>
+        <setting id="org.eclipse.jdt.core.formatter.use_on_off_tags" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.keep_method_body_on_one_line" value="one_line_never"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_between_empty_brackets_in_array_allocation_expression" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.keep_loop_body_block_on_one_line" value="one_line_never"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_enum_constant" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_method_invocation" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_assignment_operator" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_type_declaration" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_opening_paren_in_for" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.comment.preserve_white_space_between_code_and_line_comments" value="false"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_local_variable" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.brace_position_for_method_declaration" value="end_of_line"/>
+        <setting id="org.eclipse.jdt.core.formatter.keep_enum_constant_declaration_on_one_line" value="one_line_never"/>
+        <setting id="org.eclipse.jdt.core.formatter.align_variable_declarations_on_columns" value="false"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_closing_paren_in_method_invocation" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.alignment_for_union_type_in_multicatch" value="16"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_colon_in_for" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.keep_type_declaration_on_one_line" value="one_line_never"/>
+        <setting id="org.eclipse.jdt.core.formatter.number_of_blank_lines_at_beginning_of_method_body" value="0"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_closing_angle_bracket_in_type_arguments" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.keep_else_statement_on_same_line" value="false"/>
+        <setting id="org.eclipse.jdt.core.formatter.parentheses_positions_in_catch_clause" value="common_lines"/>
+        <setting id="org.eclipse.jdt.core.formatter.alignment_for_additive_operator" value="16"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_comma_in_parameterized_type_reference" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_comma_in_array_initializer" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_comma_in_multiple_field_declarations" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_comma_in_annotation" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.alignment_for_arguments_in_explicit_constructor_call" value="16"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_relational_operator" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.alignment_for_multiplicative_operator" value="16"/>
+        <setting id="org.eclipse.jdt.core.formatter.keep_anonymous_type_declaration_on_one_line" value="one_line_never"/>
+        <setting id="org.eclipse.jdt.core.formatter.wrap_before_shift_operator" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.indent_body_declarations_compare_to_annotation_declaration_header" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_comma_in_superinterfaces" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_colon_in_default" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_question_in_conditional" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.brace_position_for_block" value="end_of_line"/>
+        <setting id="org.eclipse.jdt.core.formatter.brace_position_for_constructor_declaration" value="end_of_line"/>
+        <setting id="org.eclipse.jdt.core.formatter.brace_position_for_lambda_body" value="end_of_line"/>
+        <setting id="org.eclipse.jdt.core.formatter.compact_else_if" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_comma_in_type_parameters" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_catch" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_method_invocation" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_bitwise_operator" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.put_empty_statement_on_new_line" value="true"/>
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+        <setting id="org.eclipse.jdt.core.formatter.comment.indent_parameter_description" value="false"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_new_line_before_finally_in_try_statement" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.tabulation.char" value="tab"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_relational_operator" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_comma_in_multiple_field_declarations" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.wrap_before_string_concatenation" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.blank_lines_between_import_groups" value="1"/>
+        <setting id="org.eclipse.jdt.core.formatter.lineSplit" value="140"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_opening_paren_in_annotation" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_switch" value="insert"/>
+    </profile>
+</profiles>

gradle.properties

@@ -0,0 +1 @@
+org.gradle.daemon=false

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.0.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.3-all.zip

gradlew

@@ -1,4 +1,20 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 
 ##############################################################################
 ##
@@ -6,47 +22,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +36,49 @@ while [ -h "$PRG" ] ; do
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +105,7 @@ location of your Java installation."
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -110,10 +125,11 @@ if $darwin; then
     GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
 fi
 
-# For Cygwin, switch paths to Windows format before running java
-if $cygwin ; then
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -138,27 +154,30 @@ if $cygwin ; then
         else
             eval `echo args$i`="\"$arg\""
         fi
-        i=$((i+1))
+        i=`expr $i + 1`
     done
     case $i in
-        (0) set -- ;;
-        (1) set -- "$args0" ;;
-        (2) set -- "$args0" "$args1" ;;
-        (3) set -- "$args0" "$args1" "$args2" ;;
-        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
-        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
-        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
-        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
-        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
-        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=`save "$@"`
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"

gradlew.bat

@@ -1,3 +1,19 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
 @if "%DEBUG%" == "" @echo off
 @rem ##########################################################################
 @rem
@@ -8,14 +24,14 @@
 @rem Set local scope for the variables with windows NT shell
 if "%OS%"=="Windows_NT" setlocal
 
-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS=
-
 set DIRNAME=%~dp0
 if "%DIRNAME%" == "" set DIRNAME=.
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
 @rem Find java.exe
 if defined JAVA_HOME goto findJavaFromJavaHome
 
@@ -46,10 +62,9 @@ echo location of your Java installation.
 goto fail
 
 :init
-@rem Get command-line arguments, handling Windowz variants
+@rem Get command-line arguments, handling Windows variants
 
 if not "%OS%" == "Windows_NT" goto win9xME_args
-if "%@eval[2+2]" == "4" goto 4NT_args
 
 :win9xME_args
 @rem Slurp the command line arguments.
@@ -60,11 +75,6 @@ set _SKIP=2
 if "x%~1" == "x" goto execute
 
 set CMD_LINE_ARGS=%*
-goto execute
-
-:4NT_args
-@rem Get arguments from the 4NT Shell from JP Software
-set CMD_LINE_ARGS=%$
 
 :execute
 @rem Setup the command line

jadx-cli/build.gradle

@@ -1,20 +1,24 @@
-apply plugin: 'application'
-
-mainClassName = 'jadx.cli.JadxCLI'
-applicationName = 'jadx'
+plugins {
+	id 'application'
+}
 
 dependencies {
-    compile(project(':jadx-core'))
-    compile 'com.beust:jcommander:1.47'
-    compile 'ch.qos.logback:logback-classic:1.1.2'
+	compile(project(':jadx-core'))
+	compile 'com.beust:jcommander:1.78'
+	compile 'ch.qos.logback:logback-classic:1.2.3'
+}
+
+application {
+	applicationName = 'jadx'
+	mainClassName = 'jadx.cli.JadxCLI'
+	applicationDefaultJvmArgs = ['-Xms128M', '-Xmx4g', '-XX:+UseG1GC']
 }
 
 applicationDistribution.with {
-    into('') {
-        from '../.'
-        include 'README.md'
-        include 'NOTICE'
-        include 'LICENSE'
-    }
+	into('') {
+		from '../.'
+		include 'README.md'
+		include 'NOTICE'
+		include 'LICENSE'
+	}
 }
-

jadx-cli/src/main/java/jadx/cli/JCommanderWrapper.java

@@ -0,0 +1,137 @@
+package jadx.cli;
+
+import java.io.PrintStream;
+import java.lang.reflect.Field;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.LinkedHashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+
+import org.jetbrains.annotations.Nullable;
+
+import com.beust.jcommander.JCommander;
+import com.beust.jcommander.ParameterDescription;
+import com.beust.jcommander.ParameterException;
+import com.beust.jcommander.Parameterized;
+
+import jadx.api.JadxDecompiler;
+
+public class JCommanderWrapper<T> {
+	private final JCommander jc;
+
+	public JCommanderWrapper(T obj) {
+		this.jc = JCommander.newBuilder().addObject(obj).build();
+	}
+
+	public boolean parse(String[] args) {
+		try {
+			jc.parse(args);
+			return true;
+		} catch (ParameterException e) {
+			System.err.println("Arguments parse error: " + e.getMessage());
+			printUsage();
+			return false;
+		}
+	}
+
+	public void overrideProvided(T obj) {
+		List<ParameterDescription> fieldsParams = jc.getParameters();
+		List<ParameterDescription> parameters = new ArrayList<>(1 + fieldsParams.size());
+		parameters.add(jc.getMainParameterValue());
+		parameters.addAll(fieldsParams);
+		for (ParameterDescription parameter : parameters) {
+			if (parameter.isAssigned()) {
+				// copy assigned field value to obj
+				Parameterized parameterized = parameter.getParameterized();
+				Object val = parameterized.get(parameter.getObject());
+				parameterized.set(obj, val);
+			}
+		}
+	}
+
+	public void printUsage() {
+		// print usage in not sorted fields order (by default its sorted by description)
+		PrintStream out = System.out;
+		out.println();
+		out.println("jadx - dex to java decompiler, version: " + JadxDecompiler.getVersion());
+		out.println();
+		out.println("usage: jadx [options] " + jc.getMainParameterDescription());
+		out.println("options:");
+
+		List<ParameterDescription> params = jc.getParameters();
+		Map<String, ParameterDescription> paramsMap = new LinkedHashMap<>(params.size());
+		int maxNamesLen = 0;
+		for (ParameterDescription p : params) {
+			paramsMap.put(p.getParameterized().getName(), p);
+			int len = p.getNames().length();
+			if (len > maxNamesLen) {
+				maxNamesLen = len;
+			}
+		}
+
+		JadxCLIArgs args = (JadxCLIArgs) jc.getObjects().get(0);
+		for (Field f : getFields(args.getClass())) {
+			String name = f.getName();
+			ParameterDescription p = paramsMap.get(name);
+			if (p == null) {
+				continue;
+			}
+			StringBuilder opt = new StringBuilder();
+			opt.append("  ").append(p.getNames());
+			addSpaces(opt, maxNamesLen - opt.length() + 3);
+			opt.append("- ").append(p.getDescription());
+			String defaultValue = getDefaultValue(args, f, opt);
+			if (defaultValue != null) {
+				opt.append(", default: ").append(defaultValue);
+			}
+			out.println(opt);
+		}
+		out.println("Example:");
+		out.println("  jadx -d out classes.dex");
+	}
+
+	/**
+	 * Get all declared fields of the specified class and all super classes
+	 *
+	 * @param clazz
+	 * @return
+	 */
+	private List<Field> getFields(Class<?> clazz) {
+		List<Field> fieldList = new LinkedList<>();
+		while (clazz != null) {
+			fieldList.addAll(Arrays.asList(clazz.getDeclaredFields()));
+			clazz = clazz.getSuperclass();
+		}
+		return fieldList;
+	}
+
+	@Nullable
+	private String getDefaultValue(JadxCLIArgs args, Field f, StringBuilder opt) {
+		try {
+			Class<?> fieldType = f.getType();
+			if (fieldType == int.class) {
+				return Integer.toString(f.getInt(args));
+			}
+			if (fieldType == String.class) {
+				return (String) f.get(args);
+			}
+			if (Enum.class.isAssignableFrom(fieldType)) {
+				Enum<?> val = (Enum<?>) f.get(args);
+				if (val != null) {
+					return val.name();
+				}
+			}
+		} catch (Exception e) {
+			// ignore
+		}
+		return null;
+	}
+
+	private static void addSpaces(StringBuilder str, int count) {
+		for (int i = 0; i < count; i++) {
+			str.append(' ');
+		}
+	}
+}

jadx-cli/src/main/java/jadx/cli/JadxCLI.java

@@ -1,68 +1,49 @@
 package jadx.cli;
 
-import jadx.api.JadxDecompiler;
-import jadx.core.utils.exceptions.JadxException;
-
-import java.io.File;
-
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import jadx.api.JadxArgs;
+import jadx.api.JadxDecompiler;
+import jadx.api.impl.NoOpCodeCache;
+import jadx.core.utils.exceptions.JadxArgsValidateException;
+
 public class JadxCLI {
 	private static final Logger LOG = LoggerFactory.getLogger(JadxCLI.class);
 
-	public static void main(String[] args) throws JadxException {
+	public static void main(String[] args) {
+		int result = 0;
 		try {
 			JadxCLIArgs jadxArgs = new JadxCLIArgs();
-			if (processArgs(jadxArgs, args)) {
-				processAndSave(jadxArgs);
+			if (jadxArgs.processArgs(args)) {
+				result = processAndSave(jadxArgs);
 			}
-		} catch (Throwable e) {
+		} catch (Exception e) {
 			LOG.error("jadx error: {}", e.getMessage(), e);
-			System.exit(1);
+			result = 1;
+		} finally {
+			System.exit(result);
 		}
 	}
 
-	static void processAndSave(JadxCLIArgs jadxArgs) throws JadxException {
-		JadxDecompiler jadx = new JadxDecompiler(jadxArgs);
-		jadx.setOutputDir(jadxArgs.getOutDir());
-		jadx.loadFiles(jadxArgs.getInput());
+	static int processAndSave(JadxCLIArgs inputArgs) {
+		JadxArgs args = inputArgs.toJadxArgs();
+		args.setCodeCache(new NoOpCodeCache());
+		JadxDecompiler jadx = new JadxDecompiler(args);
+		try {
+			jadx.load();
+		} catch (JadxArgsValidateException e) {
+			LOG.error("Incorrect arguments: {}", e.getMessage());
+			return 1;
+		}
 		jadx.save();
-		if (jadx.getErrorsCount() != 0) {
+		int errorsCount = jadx.getErrorsCount();
+		if (errorsCount != 0) {
 			jadx.printErrorsReport();
-			LOG.error("finished with errors");
+			LOG.error("finished with errors, count: {}", errorsCount);
 		} else {
 			LOG.info("done");
 		}
-	}
-
-	static boolean processArgs(JadxCLIArgs jadxArgs, String[] args) throws JadxException {
-		if (!jadxArgs.processArgs(args)) {
-			return false;
-		}
-		if (jadxArgs.getInput().isEmpty()) {
-			LOG.error("Please specify input file");
-			jadxArgs.printUsage();
-			return false;
-		}
-		File outputDir = jadxArgs.getOutDir();
-		if (outputDir == null) {
-			String outDirName;
-			File file = jadxArgs.getInput().get(0);
-			String name = file.getName();
-			int pos = name.lastIndexOf('.');
-			if (pos != -1) {
-				outDirName = name.substring(0, pos);
-			} else {
-				outDirName = name + "-jadx-out";
-			}
-			LOG.info("output directory: {}", outDirName);
-			outputDir = new File(outDirName);
-			jadxArgs.setOutputDir(outputDir);
-		}
-		if (outputDir.exists() && !outputDir.isDirectory()) {
-			throw new JadxException("Output directory exists as file " + outputDir);
-		}
-		return true;
+		return 0;
 	}
 }

jadx-cli/src/main/java/jadx/cli/JadxCLIArgs.java

@@ -1,245 +1,352 @@
 package jadx.cli;
 
-import jadx.api.IJadxArgs;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.EnumSet;
+import java.util.List;
+import java.util.Locale;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import com.beust.jcommander.IStringConverter;
+import com.beust.jcommander.Parameter;
+
+import jadx.api.JadxArgs;
+import jadx.api.JadxArgs.RenameEnum;
 import jadx.api.JadxDecompiler;
 import jadx.core.utils.exceptions.JadxException;
+import jadx.core.utils.files.FileUtils;
 
-import java.io.File;
-import java.io.PrintStream;
-import java.lang.reflect.Field;
-import java.util.ArrayList;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
+public class JadxCLIArgs {
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+	@Parameter(description = "<input file> (.apk, .dex, .jar, .class, .smali, .zip, .aar, .arsc)")
+	protected List<String> files = new ArrayList<>(1);
 
-import com.beust.jcommander.JCommander;
-import com.beust.jcommander.Parameter;
-import com.beust.jcommander.ParameterDescription;
-import com.beust.jcommander.ParameterException;
+	@Parameter(names = { "-d", "--output-dir" }, description = "output directory")
+	protected String outDir;
 
-public class JadxCLIArgs implements IJadxArgs {
+	@Parameter(names = { "-ds", "--output-dir-src" }, description = "output directory for sources")
+	protected String outDirSrc;
 
-	@Parameter(description = "<input file> (.dex, .apk, .jar or .class)")
-	protected List<String> files;
+	@Parameter(names = { "-dr", "--output-dir-res" }, description = "output directory for resources")
+	protected String outDirRes;
 
-	@Parameter(names = {"-d", "--output-dir"}, description = "output directory")
-	protected String outDirName;
-
-	@Parameter(names = {"-j", "--threads-count"}, description = "processing threads count")
-	protected int threadsCount = Runtime.getRuntime().availableProcessors();
-
-	@Parameter(names = {"-f", "--fallback"}, description = "make simple dump (using goto instead of 'if', 'for', etc)")
-	protected boolean fallbackMode = false;
-
-	@Parameter(names = {"-r", "--no-res"}, description = "do not decode resources")
+	@Parameter(names = { "-r", "--no-res" }, description = "do not decode resources")
 	protected boolean skipResources = false;
 
-	@Parameter(names = {"-s", "--no-src"}, description = "do not decompile source code")
+	@Parameter(names = { "-s", "--no-src" }, description = "do not decompile source code")
 	protected boolean skipSources = false;
 
-	@Parameter(names = {"--show-bad-code"}, description = "show inconsistent code (incorrectly decompiled)")
+	@Parameter(names = { "--single-class" }, description = "decompile a single class")
+	protected String singleClass = null;
+
+	@Parameter(names = { "--output-format" }, description = "can be 'java' or 'json'")
+	protected String outputFormat = "java";
+
+	@Parameter(names = { "-e", "--export-gradle" }, description = "save as android gradle project")
+	protected boolean exportAsGradleProject = false;
+
+	@Parameter(names = { "-j", "--threads-count" }, description = "processing threads count")
+	protected int threadsCount = JadxArgs.DEFAULT_THREADS_COUNT;
+
+	@Parameter(names = { "--show-bad-code" }, description = "show inconsistent code (incorrectly decompiled)")
 	protected boolean showInconsistentCode = false;
 
-	@Parameter(names = {"--cfg"}, description = "save methods control flow graph to dot file")
-	protected boolean cfgOutput = false;
+	@Parameter(names = { "--no-imports" }, description = "disable use of imports, always write entire package name")
+	protected boolean useImports = true;
 
-	@Parameter(names = {"--raw-cfg"}, description = "save methods control flow graph (use raw instructions)")
-	protected boolean rawCfgOutput = false;
+	@Parameter(names = { "--no-debug-info" }, description = "disable debug info")
+	protected boolean debugInfo = true;
 
-	@Parameter(names = {"-v", "--verbose"}, description = "verbose output")
-	protected boolean verbose = false;
+	@Parameter(names = { "--no-inline-anonymous" }, description = "disable anonymous classes inline")
+	protected boolean inlineAnonymousClasses = true;
 
-	@Parameter(names = {"--deobf"}, description = "activate deobfuscation")
+	@Parameter(names = "--no-replace-consts", description = "don't replace constant value with matching constant field")
+	protected boolean replaceConsts = true;
+
+	@Parameter(names = { "--escape-unicode" }, description = "escape non latin characters in strings (with \\u)")
+	protected boolean escapeUnicode = false;
+
+	@Parameter(names = { "--respect-bytecode-access-modifiers" }, description = "don't change original access modifiers")
+	protected boolean respectBytecodeAccessModifiers = false;
+
+	@Parameter(names = { "--deobf" }, description = "activate deobfuscation")
 	protected boolean deobfuscationOn = false;
 
-	@Parameter(names = {"--deobf-min"}, description = "min length of name")
-	protected int deobfuscationMinLength = 2;
+	@Parameter(names = { "--deobf-min" }, description = "min length of name, renamed if shorter")
+	protected int deobfuscationMinLength = 3;
 
-	@Parameter(names = {"--deobf-max"}, description = "max length of name")
+	@Parameter(names = { "--deobf-max" }, description = "max length of name, renamed if longer")
 	protected int deobfuscationMaxLength = 64;
 
-	@Parameter(names = {"--deobf-rewrite-cfg"}, description = "force to save deobfuscation map")
+	@Parameter(names = { "--deobf-rewrite-cfg" }, description = "force to save deobfuscation map")
 	protected boolean deobfuscationForceSave = false;
 
-	@Parameter(names = {"-h", "--help"}, description = "print this help", help = true)
+	@Parameter(names = { "--deobf-use-sourcename" }, description = "use source file name as class name alias")
+	protected boolean deobfuscationUseSourceNameAsAlias = false;
+
+	@Parameter(
+			names = { "--rename-flags" },
+			description = "what to rename, comma-separated,"
+					+ " 'case' for system case sensitivity,"
+					+ " 'valid' for java identifiers,"
+					+ " 'printable' characters,"
+					+ " 'none' or 'all' (default)",
+			converter = RenameConverter.class
+	)
+	protected Set<RenameEnum> renameFlags = EnumSet.allOf(RenameEnum.class);
+
+	@Parameter(names = { "--fs-case-sensitive" }, description = "treat filesystem as case sensitive, false by default")
+	protected boolean fsCaseSensitive = false;
+
+	@Parameter(names = { "--cfg" }, description = "save methods control flow graph to dot file")
+	protected boolean cfgOutput = false;
+
+	@Parameter(names = { "--raw-cfg" }, description = "save methods control flow graph (use raw instructions)")
+	protected boolean rawCfgOutput = false;
+
+	@Parameter(names = { "-f", "--fallback" }, description = "make simple dump (using goto instead of 'if', 'for', etc)")
+	protected boolean fallbackMode = false;
+
+	@Parameter(names = { "-v", "--verbose" }, description = "verbose output (set --log-level to DEBUG)")
+	protected boolean verbose = false;
+
+	@Parameter(names = { "-q", "--quiet" }, description = "turn off output (set --log-level to QUIET)")
+	protected boolean quiet = false;
+
+	@Parameter(
+			names = { "--log-level" },
+			description = "set log level, values: QUIET, PROGRESS, ERROR, WARN, INFO, DEBUG",
+			converter = LogHelper.LogLevelConverter.class
+	)
+	protected LogHelper.LogLevelEnum logLevel = LogHelper.LogLevelEnum.PROGRESS;
+
+	@Parameter(names = { "--version" }, description = "print jadx version")
+	protected boolean printVersion = false;
+
+	@Parameter(names = { "-h", "--help" }, description = "print this help", help = true)
 	protected boolean printHelp = false;
 
-	private final List<File> input = new ArrayList<File>(1);
-	private File outputDir;
-
 	public boolean processArgs(String[] args) {
-		return parse(args) && process();
+		JCommanderWrapper<JadxCLIArgs> jcw = new JCommanderWrapper<>(this);
+		return jcw.parse(args) && process(jcw);
 	}
 
-	private boolean parse(String[] args) {
-		try {
-			new JCommander(this, args);
-			return true;
-		} catch (ParameterException e) {
-			System.err.println("Arguments parse error: " + e.getMessage());
-			printUsage();
+	/**
+	 * Set values only for options provided in cmd.
+	 * Used to merge saved options and options passed in command line.
+	 */
+	public boolean overrideProvided(String[] args) {
+		JCommanderWrapper<JadxCLIArgs> jcw = new JCommanderWrapper<>(newInstance());
+		if (!jcw.parse(args)) {
 			return false;
 		}
+		jcw.overrideProvided(this);
+		return process(jcw);
 	}
 
-	private boolean process() {
-		if (isPrintHelp()) {
-			printUsage();
+	protected JadxCLIArgs newInstance() {
+		return new JadxCLIArgs();
+	}
+
+	private boolean process(JCommanderWrapper<JadxCLIArgs> jcw) {
+		if (printHelp) {
+			jcw.printUsage();
+			return false;
+		}
+		if (printVersion) {
+			System.out.println(JadxDecompiler.getVersion());
 			return false;
 		}
 		try {
 			if (threadsCount <= 0) {
-				throw new JadxException("Threads count must be positive");
-			}
-			if (files != null) {
-				for (String fileName : files) {
-					File file = new File(fileName);
-					if (file.exists()) {
-						input.add(file);
-					} else {
-						throw new JadxException("File not found: " + file);
-					}
-				}
-			}
-			if (input.size() > 1) {
-				throw new JadxException("Only one input file is supported");
-			}
-			if (outDirName != null) {
-				outputDir = new File(outDirName);
-			}
-			if (isVerbose()) {
-				ch.qos.logback.classic.Logger rootLogger =
-						(ch.qos.logback.classic.Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
-				rootLogger.setLevel(ch.qos.logback.classic.Level.DEBUG);
+				throw new JadxException("Threads count must be positive, got: " + threadsCount);
 			}
+			LogHelper.setLogLevelFromArgs(this);
 		} catch (JadxException e) {
 			System.err.println("ERROR: " + e.getMessage());
-			printUsage();
+			jcw.printUsage();
 			return false;
 		}
 		return true;
 	}
 
-	public void printUsage() {
-		JCommander jc = new JCommander(this);
-		// print usage in not sorted fields order (by default its sorted by description)
-		PrintStream out = System.out;
-		out.println();
-		out.println("jadx - dex to java decompiler, version: " + JadxDecompiler.getVersion());
-		out.println();
-		out.println("usage: jadx [options] " + jc.getMainParameterDescription());
-		out.println("options:");
-
-		List<ParameterDescription> params = jc.getParameters();
-		Map<String, ParameterDescription> paramsMap = new LinkedHashMap<String, ParameterDescription>(params.size());
-		int maxNamesLen = 0;
-		for (ParameterDescription p : params) {
-			paramsMap.put(p.getParameterized().getName(), p);
-			int len = p.getNames().length();
-			if (len > maxNamesLen) {
-				maxNamesLen = len;
-			}
+	public JadxArgs toJadxArgs() {
+		JadxArgs args = new JadxArgs();
+		args.setInputFiles(files.stream().map(FileUtils::toFile).collect(Collectors.toList()));
+		args.setOutDir(FileUtils.toFile(outDir));
+		args.setOutDirSrc(FileUtils.toFile(outDirSrc));
+		args.setOutDirRes(FileUtils.toFile(outDirRes));
+		args.setOutputFormat(JadxArgs.OutputFormatEnum.valueOf(outputFormat.toUpperCase()));
+		args.setThreadsCount(threadsCount);
+		args.setSkipSources(skipSources);
+		if (singleClass != null) {
+			args.setClassFilter(className -> singleClass.equals(className));
 		}
-		Field[] fields = JadxCLIArgs.class.getDeclaredFields();
-		for (Field f : fields) {
-			String name = f.getName();
-			ParameterDescription p = paramsMap.get(name);
-			if (p == null) {
-				continue;
-			}
-			StringBuilder opt = new StringBuilder();
-			opt.append(' ').append(p.getNames());
-			addSpaces(opt, maxNamesLen - opt.length() + 2);
-			opt.append("- ").append(p.getDescription());
-			out.println(opt);
-		}
-		out.println("Example:");
-		out.println(" jadx -d out classes.dex");
+		args.setSkipResources(skipResources);
+		args.setFallbackMode(fallbackMode);
+		args.setShowInconsistentCode(showInconsistentCode);
+		args.setCfgOutput(cfgOutput);
+		args.setRawCFGOutput(rawCfgOutput);
+		args.setReplaceConsts(replaceConsts);
+		args.setDeobfuscationOn(deobfuscationOn);
+		args.setDeobfuscationForceSave(deobfuscationForceSave);
+		args.setDeobfuscationMinLength(deobfuscationMinLength);
+		args.setDeobfuscationMaxLength(deobfuscationMaxLength);
+		args.setUseSourceNameAsClassAlias(deobfuscationUseSourceNameAsAlias);
+		args.setEscapeUnicode(escapeUnicode);
+		args.setRespectBytecodeAccModifiers(respectBytecodeAccessModifiers);
+		args.setExportAsGradleProject(exportAsGradleProject);
+		args.setUseImports(useImports);
+		args.setDebugInfo(debugInfo);
+		args.setInlineAnonymousClasses(inlineAnonymousClasses);
+		args.setRenameCaseSensitive(isRenameCaseSensitive());
+		args.setRenameValid(isRenameValid());
+		args.setRenamePrintable(isRenamePrintable());
+		args.setFsCaseSensitive(fsCaseSensitive);
+		return args;
 	}
 
-	private static void addSpaces(StringBuilder str, int count) {
-		for (int i = 0; i < count; i++) {
-			str.append(' ');
-		}
+	public List<String> getFiles() {
+		return files;
 	}
 
-	public List<File> getInput() {
-		return input;
+	public String getOutDir() {
+		return outDir;
 	}
 
-	@Override
-	public File getOutDir() {
-		return outputDir;
+	public String getOutDirSrc() {
+		return outDirSrc;
 	}
 
-	public void setOutputDir(File outputDir) {
-		this.outputDir = outputDir;
+	public String getOutDirRes() {
+		return outDirRes;
 	}
 
-	public boolean isPrintHelp() {
-		return printHelp;
-	}
-
-	@Override
 	public boolean isSkipResources() {
 		return skipResources;
 	}
 
-	@Override
 	public boolean isSkipSources() {
 		return skipSources;
 	}
 
-	@Override
 	public int getThreadsCount() {
 		return threadsCount;
 	}
 
-	@Override
-	public boolean isCFGOutput() {
-		return cfgOutput;
-	}
-
-	@Override
-	public boolean isRawCFGOutput() {
-		return rawCfgOutput;
-	}
-
-	@Override
 	public boolean isFallbackMode() {
 		return fallbackMode;
 	}
 
-	@Override
 	public boolean isShowInconsistentCode() {
 		return showInconsistentCode;
 	}
 
-	@Override
-	public boolean isVerbose() {
-		return verbose;
+	public boolean isUseImports() {
+		return useImports;
+	}
+
+	public boolean isDebugInfo() {
+		return debugInfo;
+	}
+
+	public boolean isInlineAnonymousClasses() {
+		return inlineAnonymousClasses;
 	}
 
-	@Override
 	public boolean isDeobfuscationOn() {
 		return deobfuscationOn;
 	}
 
-	@Override
 	public int getDeobfuscationMinLength() {
 		return deobfuscationMinLength;
 	}
 
-	@Override
 	public int getDeobfuscationMaxLength() {
 		return deobfuscationMaxLength;
 	}
 
-	@Override
 	public boolean isDeobfuscationForceSave() {
 		return deobfuscationForceSave;
 	}
+
+	public boolean isDeobfuscationUseSourceNameAsAlias() {
+		return deobfuscationUseSourceNameAsAlias;
+	}
+
+	public boolean isEscapeUnicode() {
+		return escapeUnicode;
+	}
+
+	public boolean isCfgOutput() {
+		return cfgOutput;
+	}
+
+	public boolean isRawCfgOutput() {
+		return rawCfgOutput;
+	}
+
+	public boolean isReplaceConsts() {
+		return replaceConsts;
+	}
+
+	public boolean isRespectBytecodeAccessModifiers() {
+		return respectBytecodeAccessModifiers;
+	}
+
+	public boolean isExportAsGradleProject() {
+		return exportAsGradleProject;
+	}
+
+	public boolean isRenameCaseSensitive() {
+		return renameFlags.contains(RenameEnum.CASE);
+	}
+
+	public boolean isRenameValid() {
+		return renameFlags.contains(RenameEnum.VALID);
+	}
+
+	public boolean isRenamePrintable() {
+		return renameFlags.contains(RenameEnum.PRINTABLE);
+	}
+
+	public boolean isFsCaseSensitive() {
+		return fsCaseSensitive;
+	}
+
+	static class RenameConverter implements IStringConverter<Set<RenameEnum>> {
+		private final String paramName;
+
+		RenameConverter(String paramName) {
+			this.paramName = paramName;
+		}
+
+		@Override
+		public Set<RenameEnum> convert(String value) {
+			if (value.equalsIgnoreCase("NONE")) {
+				return EnumSet.noneOf(RenameEnum.class);
+			}
+			if (value.equalsIgnoreCase("ALL")) {
+				return EnumSet.allOf(RenameEnum.class);
+			}
+			Set<RenameEnum> set = EnumSet.noneOf(RenameEnum.class);
+			for (String s : value.split(",")) {
+				try {
+					set.add(RenameEnum.valueOf(s.toUpperCase(Locale.ROOT)));
+				} catch (IllegalArgumentException e) {
+					throw new IllegalArgumentException(
+							'\'' + s + "' is unknown for parameter " + paramName
+									+ ", possible values are " + enumValuesString(RenameEnum.values()));
+				}
+			}
+			return set;
+		}
+	}
+
+	public static String enumValuesString(Enum<?>[] values) {
+		return Arrays.stream(values)
+				.map(v -> '\'' + v.name().toLowerCase(Locale.ROOT) + '\'')
+				.collect(Collectors.joining(", "));
+	}
 }

jadx-cli/src/main/java/jadx/cli/LogHelper.java

@@ -0,0 +1,93 @@
+package jadx.cli;
+
+import org.slf4j.LoggerFactory;
+
+import com.beust.jcommander.IStringConverter;
+
+import ch.qos.logback.classic.Level;
+import ch.qos.logback.classic.Logger;
+
+import jadx.api.JadxDecompiler;
+
+public class LogHelper {
+	private static final org.slf4j.Logger LOG = LoggerFactory.getLogger(LogHelper.class);
+
+	public enum LogLevelEnum {
+		QUIET(Level.OFF),
+		PROGRESS(Level.OFF),
+		ERROR(Level.ERROR),
+		WARN(Level.WARN),
+		INFO(Level.INFO),
+		DEBUG(Level.DEBUG);
+
+		private final Level level;
+
+		LogLevelEnum(Level level) {
+			this.level = level;
+		}
+
+		public Level getLevel() {
+			return level;
+		}
+	}
+
+	public static void setLogLevelFromArgs(JadxCLIArgs args) {
+		if (isCustomLogConfig()) {
+			return;
+		}
+		LogLevelEnum logLevel = args.logLevel;
+		if (args.quiet) {
+			logLevel = LogLevelEnum.QUIET;
+		} else if (args.verbose) {
+			logLevel = LogLevelEnum.DEBUG;
+		}
+
+		applyLogLevel(logLevel);
+	}
+
+	public static void applyLogLevel(LogLevelEnum logLevel) {
+		Logger rootLogger = (Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
+		rootLogger.setLevel(logLevel.getLevel());
+
+		if (logLevel != LogLevelEnum.QUIET) {
+			// show progress for all levels except quiet
+			setLevelForClass(JadxCLI.class, Level.INFO);
+			setLevelForClass(JadxDecompiler.class, Level.INFO);
+		}
+	}
+
+	private static void setLevelForClass(Class<?> cls, Level level) {
+		((Logger) LoggerFactory.getLogger(cls)).setLevel(level);
+	}
+
+	/**
+	 * Try to detect if user provide custom logback config via -Dlogback.configurationFile=
+	 */
+	private static boolean isCustomLogConfig() {
+		try {
+			String logbackConfig = System.getProperty("logback.configurationFile");
+			if (logbackConfig == null) {
+				return false;
+			}
+			LOG.debug("Use custom log config: {}", logbackConfig);
+			return true;
+		} catch (Exception e) {
+			LOG.error("Failed to detect custom log config", e);
+		}
+		return false;
+	}
+
+	public static class LogLevelConverter implements IStringConverter<LogLevelEnum> {
+
+		@Override
+		public LogLevelEnum convert(String value) {
+			try {
+				return LogLevelEnum.valueOf(value.toUpperCase());
+			} catch (Exception e) {
+				throw new IllegalArgumentException(
+						'\'' + value + "' is unknown log level, possible values are "
+								+ JadxCLIArgs.enumValuesString(LogLevelEnum.values()));
+			}
+		}
+	}
+}

jadx-cli/src/main/resources/logback.xml

@@ -1,13 +1,11 @@
 <configuration>
+	<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+		<encoder>
+			<pattern>%-5level - %msg%n</pattern>
+		</encoder>
+	</appender>
 
-    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
-        <encoder>
-            <pattern>%-5level - %msg%n</pattern>
-        </encoder>
-    </appender>
-
-    <root level="INFO">
-        <appender-ref ref="STDOUT"/>
-    </root>
-
+	<root level="INFO">
+		<appender-ref ref="STDOUT"/>
+	</root>
 </configuration>

jadx-cli/src/test/java/jadx/cli/JadxCLIArgsTest.java

@@ -0,0 +1,67 @@
+package jadx.cli;
+
+import org.junit.jupiter.api.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+
+public class JadxCLIArgsTest {
+
+	private static final Logger LOG = LoggerFactory.getLogger(JadxCLIArgsTest.class);
+
+	@Test
+	public void testInvertedBooleanOption() {
+		assertThat(parse("--no-replace-consts").isReplaceConsts(), is(false));
+		assertThat(parse("").isReplaceConsts(), is(true));
+	}
+
+	@Test
+	public void testEscapeUnicodeOption() {
+		assertThat(parse("--escape-unicode").isEscapeUnicode(), is(true));
+		assertThat(parse("").isEscapeUnicode(), is(false));
+	}
+
+	@Test
+	public void testSrcOption() {
+		assertThat(parse("--no-src").isSkipSources(), is(true));
+		assertThat(parse("-s").isSkipSources(), is(true));
+		assertThat(parse("").isSkipSources(), is(false));
+	}
+
+	@Test
+	public void testOptionsOverride() {
+		assertThat(override(new JadxCLIArgs(), "--no-imports").isUseImports(), is(false));
+		assertThat(override(new JadxCLIArgs(), "--no-debug-info").isDebugInfo(), is(false));
+		assertThat(override(new JadxCLIArgs(), "").isUseImports(), is(true));
+
+		JadxCLIArgs args = new JadxCLIArgs();
+		args.useImports = false;
+		assertThat(override(args, "--no-imports").isUseImports(), is(false));
+		args.debugInfo = false;
+		assertThat(override(args, "--no-debug-info").isDebugInfo(), is(false));
+
+		args = new JadxCLIArgs();
+		args.useImports = false;
+		assertThat(override(args, "").isUseImports(), is(false));
+	}
+
+	private JadxCLIArgs parse(String... args) {
+		return parse(new JadxCLIArgs(), args);
+	}
+
+	private JadxCLIArgs parse(JadxCLIArgs jadxArgs, String... args) {
+		boolean res = jadxArgs.processArgs(args);
+		assertThat(res, is(true));
+		LOG.info("Jadx args: {}", jadxArgs.toJadxArgs());
+		return jadxArgs;
+	}
+
+	private JadxCLIArgs override(JadxCLIArgs jadxArgs, String... args) {
+		boolean res = jadxArgs.overrideProvided(args);
+		assertThat(res, is(true));
+		LOG.info("Jadx args: {}", jadxArgs.toJadxArgs());
+		return jadxArgs;
+	}
+}

jadx-cli/src/test/java/jadx/cli/RenameConverterTest.java

@@ -0,0 +1,49 @@
+package jadx.cli;
+
+import java.util.Set;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import jadx.api.JadxArgs.RenameEnum;
+import jadx.cli.JadxCLIArgs.RenameConverter;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class RenameConverterTest {
+
+	private RenameConverter converter;
+
+	@BeforeEach
+	public void init() {
+		converter = new RenameConverter("someParam");
+	}
+
+	@Test
+	public void all() {
+		Set<RenameEnum> set = converter.convert("all");
+		assertEquals(3, set.size());
+		assertTrue(set.contains(RenameEnum.CASE));
+		assertTrue(set.contains(RenameEnum.VALID));
+		assertTrue(set.contains(RenameEnum.PRINTABLE));
+	}
+
+	@Test
+	public void none() {
+		Set<RenameEnum> set = converter.convert("none");
+		assertTrue(set.isEmpty());
+	}
+
+	@Test
+	public void wrong() {
+		IllegalArgumentException thrown = assertThrows(IllegalArgumentException.class,
+				() -> converter.convert("wrong"),
+				"Expected convert() to throw, but it didn't");
+
+		assertEquals("'wrong' is unknown for parameter someParam, "
+				+ "possible values are 'case', 'valid', 'printable'",
+				thrown.getMessage());
+	}
+}

jadx-core/build.gradle

@@ -1,27 +1,18 @@
-ext.jadxClasspath = 'clsp-data/android-5.1.jar'
-
-apply plugin: "info.solidsoft.pitest"
-
 dependencies {
-    runtime files(jadxClasspath)
+	runtime files('clsp-data/android-29-clst.jar')
+	runtime files('clsp-data/android-29-res.jar')
 
-    compile files('lib/dx-1.10.jar')
-    compile 'commons-io:commons-io:2.4'
-    compile 'org.ow2.asm:asm:5.0.3'
-    compile 'com.intellij:annotations:12.0'
+	compile files('lib/dx-1.16.jar') // TODO: dx don't support java version > 9 (53)
 
-    testCompile 'org.smali:smali:2.0.3'
-}
-
-task packTests(type: Jar) {
-    classifier = 'tests'
-    from sourceSets.test.output
-}
-
-pitest {
-    excludedMethods = ['toString']
-    threads = 4
-    enableDefaultIncrementalAnalysis = true
-    outputFormats = ['XML', 'HTML']
-    jvmArgs = ['-Xmx12G']
+	compile 'org.ow2.asm:asm:7.2'
+	compile 'org.jetbrains:annotations:18.0.0'
+	compile 'com.google.code.gson:gson:2.8.6'
+
+	compile 'org.smali:baksmali:2.3.4'
+	compile('org.smali:smali:2.3.4') {
+		exclude group: 'com.google.guava'
+	}
+	compile 'com.google.guava:guava:28.1-jre'
+
+	testCompile 'org.apache.commons:commons-lang3:3.9'
 }

jadx-core/src/main/java/jadx/api/CodePosition.java

@@ -2,24 +2,32 @@ package jadx.api;
 
 public final class CodePosition {
 
-	private final JavaClass cls;
+	private final JavaNode node;
 	private final int line;
 	private final int offset;
 
-	public CodePosition(JavaClass cls, int line, int offset) {
-		this.cls = cls;
+	public CodePosition(JavaNode node, int line, int offset) {
+		this.node = node;
 		this.line = line;
 		this.offset = offset;
 	}
 
 	public CodePosition(int line, int offset) {
-		this.cls = null;
+		this.node = null;
 		this.line = line;
 		this.offset = offset;
 	}
 
+	public JavaNode getNode() {
+		return node;
+	}
+
 	public JavaClass getJavaClass() {
-		return cls;
+		JavaClass parent = node.getDeclaringClass();
+		if (parent == null && node instanceof JavaClass) {
+			return (JavaClass) node;
+		}
+		return parent;
 	}
 
 	public int getLine() {
@@ -30,10 +38,6 @@ public final class CodePosition {
 		return offset;
 	}
 
-	public boolean isSet() {
-		return line != 0 || offset != 0;
-	}
-
 	@Override
 	public boolean equals(Object o) {
 		if (this == o) {
@@ -53,6 +57,14 @@ public final class CodePosition {
 
 	@Override
 	public String toString() {
-		return line + ":" + offset + (cls != null ? " " + cls : "");
+		StringBuilder sb = new StringBuilder();
+		sb.append(line);
+		if (offset != 0) {
+			sb.append(':').append(offset);
+		}
+		if (node != null) {
+			sb.append(' ').append(node);
+		}
+		return sb.toString();
 	}
 }

jadx-core/src/main/java/jadx/api/DefaultJadxArgs.java

@@ -1,71 +0,0 @@
-package jadx.api;
-
-import java.io.File;
-
-public class DefaultJadxArgs implements IJadxArgs {
-
-	@Override
-	public File getOutDir() {
-		return new File("jadx-output");
-	}
-
-	@Override
-	public int getThreadsCount() {
-		return Runtime.getRuntime().availableProcessors();
-	}
-
-	@Override
-	public boolean isCFGOutput() {
-		return false;
-	}
-
-	@Override
-	public boolean isRawCFGOutput() {
-		return false;
-	}
-
-	@Override
-	public boolean isFallbackMode() {
-		return false;
-	}
-
-	@Override
-	public boolean isShowInconsistentCode() {
-		return false;
-	}
-
-	@Override
-	public boolean isVerbose() {
-		return false;
-	}
-
-	@Override
-	public boolean isSkipResources() {
-		return false;
-	}
-
-	@Override
-	public boolean isSkipSources() {
-		return false;
-	}
-
-	@Override
-	public boolean isDeobfuscationOn() {
-		return false;
-	}
-
-	@Override
-	public int getDeobfuscationMinLength() {
-		return Integer.MIN_VALUE + 1;
-	}
-
-	@Override
-	public int getDeobfuscationMaxLength() {
-		return Integer.MAX_VALUE - 1;
-	}
-
-	@Override
-	public boolean isDeobfuscationForceSave() {
-		return false;
-	}
-}

jadx-core/src/main/java/jadx/api/ICodeCache.java

@@ -0,0 +1,11 @@
+package jadx.api;
+
+import org.jetbrains.annotations.Nullable;
+
+public interface ICodeCache {
+
+	void add(String clsFullName, ICodeInfo codeInfo);
+
+	@Nullable
+	ICodeInfo get(String clsFullName);
+}

jadx-core/src/main/java/jadx/api/ICodeInfo.java

@@ -0,0 +1,11 @@
+package jadx.api;
+
+import java.util.Map;
+
+public interface ICodeInfo {
+	String getCodeStr();
+
+	Map<Integer, Integer> getLineMapping();
+
+	Map<CodePosition, Object> getAnnotations();
+}

jadx-core/src/main/java/jadx/api/IJadxArgs.java

@@ -1,31 +0,0 @@
-package jadx.api;
-
-import java.io.File;
-
-public interface IJadxArgs {
-	File getOutDir();
-
-	int getThreadsCount();
-
-	boolean isCFGOutput();
-
-	boolean isRawCFGOutput();
-
-	boolean isFallbackMode();
-
-	boolean isShowInconsistentCode();
-
-	boolean isVerbose();
-
-	boolean isSkipResources();
-
-	boolean isSkipSources();
-
-	boolean isDeobfuscationOn();
-
-	int getDeobfuscationMinLength();
-
-	int getDeobfuscationMaxLength();
-
-	boolean isDeobfuscationForceSave();
-}

jadx-core/src/main/java/jadx/api/JadxArgs.java

@@ -0,0 +1,370 @@
+package jadx.api;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.EnumSet;
+import java.util.List;
+import java.util.Set;
+import java.util.function.Predicate;
+
+import jadx.api.impl.InMemoryCodeCache;
+
+public class JadxArgs {
+
+	public static final int DEFAULT_THREADS_COUNT = Math.max(1, Runtime.getRuntime().availableProcessors() / 2);
+
+	public static final String DEFAULT_OUT_DIR = "jadx-output";
+	public static final String DEFAULT_SRC_DIR = "sources";
+	public static final String DEFAULT_RES_DIR = "resources";
+
+	private List<File> inputFiles = new ArrayList<>(1);
+
+	private File outDir;
+	private File outDirSrc;
+	private File outDirRes;
+
+	private ICodeCache codeCache = new InMemoryCodeCache();
+
+	private int threadsCount = DEFAULT_THREADS_COUNT;
+
+	private boolean cfgOutput = false;
+	private boolean rawCFGOutput = false;
+
+	private boolean fallbackMode = false;
+	private boolean showInconsistentCode = false;
+
+	private boolean useImports = true;
+	private boolean debugInfo = true;
+	private boolean inlineAnonymousClasses = true;
+
+	private boolean skipResources = false;
+	private boolean skipSources = false;
+
+	/**
+	 * Predicate that allows to filter the classes to be process based on their full name
+	 */
+	private Predicate<String> classFilter = null;
+
+	private boolean deobfuscationOn = false;
+	private boolean deobfuscationForceSave = false;
+	private boolean useSourceNameAsClassAlias = false;
+
+	private int deobfuscationMinLength = 0;
+	private int deobfuscationMaxLength = Integer.MAX_VALUE;
+
+	private boolean escapeUnicode = false;
+	private boolean replaceConsts = true;
+	private boolean respectBytecodeAccModifiers = false;
+	private boolean exportAsGradleProject = false;
+
+	private boolean fsCaseSensitive;
+
+	public enum RenameEnum {
+		CASE, VALID, PRINTABLE
+	}
+
+	private Set<RenameEnum> renameFlags = EnumSet.allOf(RenameEnum.class);
+
+	public enum OutputFormatEnum {
+		JAVA, JSON
+	}
+
+	private OutputFormatEnum outputFormat = OutputFormatEnum.JAVA;
+
+	public JadxArgs() {
+		// use default options
+	}
+
+	public void setRootDir(File rootDir) {
+		setOutDir(rootDir);
+		setOutDirSrc(new File(rootDir, DEFAULT_SRC_DIR));
+		setOutDirRes(new File(rootDir, DEFAULT_RES_DIR));
+	}
+
+	public List<File> getInputFiles() {
+		return inputFiles;
+	}
+
+	public void setInputFile(File inputFile) {
+		this.inputFiles = Collections.singletonList(inputFile);
+	}
+
+	public void setInputFiles(List<File> inputFiles) {
+		this.inputFiles = inputFiles;
+	}
+
+	public File getOutDir() {
+		return outDir;
+	}
+
+	public void setOutDir(File outDir) {
+		this.outDir = outDir;
+	}
+
+	public File getOutDirSrc() {
+		return outDirSrc;
+	}
+
+	public void setOutDirSrc(File outDirSrc) {
+		this.outDirSrc = outDirSrc;
+	}
+
+	public File getOutDirRes() {
+		return outDirRes;
+	}
+
+	public void setOutDirRes(File outDirRes) {
+		this.outDirRes = outDirRes;
+	}
+
+	public int getThreadsCount() {
+		return threadsCount;
+	}
+
+	public void setThreadsCount(int threadsCount) {
+		this.threadsCount = threadsCount;
+	}
+
+	public boolean isCfgOutput() {
+		return cfgOutput;
+	}
+
+	public void setCfgOutput(boolean cfgOutput) {
+		this.cfgOutput = cfgOutput;
+	}
+
+	public boolean isRawCFGOutput() {
+		return rawCFGOutput;
+	}
+
+	public void setRawCFGOutput(boolean rawCFGOutput) {
+		this.rawCFGOutput = rawCFGOutput;
+	}
+
+	public boolean isFallbackMode() {
+		return fallbackMode;
+	}
+
+	public void setFallbackMode(boolean fallbackMode) {
+		this.fallbackMode = fallbackMode;
+	}
+
+	public boolean isShowInconsistentCode() {
+		return showInconsistentCode;
+	}
+
+	public void setShowInconsistentCode(boolean showInconsistentCode) {
+		this.showInconsistentCode = showInconsistentCode;
+	}
+
+	public boolean isUseImports() {
+		return useImports;
+	}
+
+	public void setUseImports(boolean useImports) {
+		this.useImports = useImports;
+	}
+
+	public boolean isDebugInfo() {
+		return debugInfo;
+	}
+
+	public void setDebugInfo(boolean debugInfo) {
+		this.debugInfo = debugInfo;
+	}
+
+	public boolean isInlineAnonymousClasses() {
+		return inlineAnonymousClasses;
+	}
+
+	public void setInlineAnonymousClasses(boolean inlineAnonymousClasses) {
+		this.inlineAnonymousClasses = inlineAnonymousClasses;
+	}
+
+	public boolean isSkipResources() {
+		return skipResources;
+	}
+
+	public void setSkipResources(boolean skipResources) {
+		this.skipResources = skipResources;
+	}
+
+	public boolean isSkipSources() {
+		return skipSources;
+	}
+
+	public void setSkipSources(boolean skipSources) {
+		this.skipSources = skipSources;
+	}
+
+	public Predicate<String> getClassFilter() {
+		return classFilter;
+	}
+
+	public void setClassFilter(Predicate<String> classFilter) {
+		this.classFilter = classFilter;
+	}
+
+	public boolean isDeobfuscationOn() {
+		return deobfuscationOn;
+	}
+
+	public void setDeobfuscationOn(boolean deobfuscationOn) {
+		this.deobfuscationOn = deobfuscationOn;
+	}
+
+	public boolean isDeobfuscationForceSave() {
+		return deobfuscationForceSave;
+	}
+
+	public void setDeobfuscationForceSave(boolean deobfuscationForceSave) {
+		this.deobfuscationForceSave = deobfuscationForceSave;
+	}
+
+	public boolean isUseSourceNameAsClassAlias() {
+		return useSourceNameAsClassAlias;
+	}
+
+	public void setUseSourceNameAsClassAlias(boolean useSourceNameAsClassAlias) {
+		this.useSourceNameAsClassAlias = useSourceNameAsClassAlias;
+	}
+
+	public int getDeobfuscationMinLength() {
+		return deobfuscationMinLength;
+	}
+
+	public void setDeobfuscationMinLength(int deobfuscationMinLength) {
+		this.deobfuscationMinLength = deobfuscationMinLength;
+	}
+
+	public int getDeobfuscationMaxLength() {
+		return deobfuscationMaxLength;
+	}
+
+	public void setDeobfuscationMaxLength(int deobfuscationMaxLength) {
+		this.deobfuscationMaxLength = deobfuscationMaxLength;
+	}
+
+	public boolean isEscapeUnicode() {
+		return escapeUnicode;
+	}
+
+	public void setEscapeUnicode(boolean escapeUnicode) {
+		this.escapeUnicode = escapeUnicode;
+	}
+
+	public boolean isReplaceConsts() {
+		return replaceConsts;
+	}
+
+	public void setReplaceConsts(boolean replaceConsts) {
+		this.replaceConsts = replaceConsts;
+	}
+
+	public boolean isRespectBytecodeAccModifiers() {
+		return respectBytecodeAccModifiers;
+	}
+
+	public void setRespectBytecodeAccModifiers(boolean respectBytecodeAccModifiers) {
+		this.respectBytecodeAccModifiers = respectBytecodeAccModifiers;
+	}
+
+	public boolean isExportAsGradleProject() {
+		return exportAsGradleProject;
+	}
+
+	public void setExportAsGradleProject(boolean exportAsGradleProject) {
+		this.exportAsGradleProject = exportAsGradleProject;
+	}
+
+	public boolean isFsCaseSensitive() {
+		return fsCaseSensitive;
+	}
+
+	public void setFsCaseSensitive(boolean fsCaseSensitive) {
+		this.fsCaseSensitive = fsCaseSensitive;
+	}
+
+	public boolean isRenameCaseSensitive() {
+		return renameFlags.contains(RenameEnum.CASE);
+	}
+
+	public void setRenameCaseSensitive(boolean renameCaseSensitive) {
+		updateRenameFlag(renameCaseSensitive, RenameEnum.CASE);
+	}
+
+	public boolean isRenameValid() {
+		return renameFlags.contains(RenameEnum.VALID);
+	}
+
+	public void setRenameValid(boolean renameValid) {
+		updateRenameFlag(renameValid, RenameEnum.VALID);
+	}
+
+	public boolean isRenamePrintable() {
+		return renameFlags.contains(RenameEnum.PRINTABLE);
+	}
+
+	public void setRenamePrintable(boolean renamePrintable) {
+		updateRenameFlag(renamePrintable, RenameEnum.PRINTABLE);
+	}
+
+	private void updateRenameFlag(boolean enabled, RenameEnum flag) {
+		if (enabled) {
+			renameFlags.add(flag);
+		} else {
+			renameFlags.remove(flag);
+		}
+	}
+
+	public OutputFormatEnum getOutputFormat() {
+		return outputFormat;
+	}
+
+	public boolean isJsonOutput() {
+		return outputFormat == OutputFormatEnum.JSON;
+	}
+
+	public void setOutputFormat(OutputFormatEnum outputFormat) {
+		this.outputFormat = outputFormat;
+	}
+
+	public ICodeCache getCodeCache() {
+		return codeCache;
+	}
+
+	public void setCodeCache(ICodeCache codeCache) {
+		this.codeCache = codeCache;
+	}
+
+	@Override
+	public String toString() {
+		return "JadxArgs{" + "inputFiles=" + inputFiles
+				+ ", outDir=" + outDir
+				+ ", outDirSrc=" + outDirSrc
+				+ ", outDirRes=" + outDirRes
+				+ ", threadsCount=" + threadsCount
+				+ ", cfgOutput=" + cfgOutput
+				+ ", rawCFGOutput=" + rawCFGOutput
+				+ ", fallbackMode=" + fallbackMode
+				+ ", showInconsistentCode=" + showInconsistentCode
+				+ ", useImports=" + useImports
+				+ ", skipResources=" + skipResources
+				+ ", skipSources=" + skipSources
+				+ ", deobfuscationOn=" + deobfuscationOn
+				+ ", deobfuscationForceSave=" + deobfuscationForceSave
+				+ ", useSourceNameAsClassAlias=" + useSourceNameAsClassAlias
+				+ ", deobfuscationMinLength=" + deobfuscationMinLength
+				+ ", deobfuscationMaxLength=" + deobfuscationMaxLength
+				+ ", escapeUnicode=" + escapeUnicode
+				+ ", replaceConsts=" + replaceConsts
+				+ ", respectBytecodeAccModifiers=" + respectBytecodeAccModifiers
+				+ ", exportAsGradleProject=" + exportAsGradleProject
+				+ ", fsCaseSensitive=" + fsCaseSensitive
+				+ ", renameFlags=" + renameFlags
+				+ ", outputFormat=" + outputFormat
+				+ ", codeCache=" + codeCache
+				+ '}';
+	}
+}

jadx-core/src/main/java/jadx/api/JadxArgsValidator.java

@@ -0,0 +1,104 @@
+package jadx.api;
+
+import java.io.File;
+import java.util.List;
+
+import org.jetbrains.annotations.NotNull;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import jadx.core.utils.exceptions.JadxArgsValidateException;
+
+public class JadxArgsValidator {
+
+	private static final Logger LOG = LoggerFactory.getLogger(JadxArgsValidator.class);
+
+	public static void validate(JadxArgs args) {
+		checkInputFiles(args);
+		validateOutDirs(args);
+
+		if (LOG.isDebugEnabled()) {
+			LOG.debug("Effective jadx args: {}", args);
+		}
+	}
+
+	private static void checkInputFiles(JadxArgs args) {
+		List<File> inputFiles = args.getInputFiles();
+		if (inputFiles.isEmpty()) {
+			throw new JadxArgsValidateException("Please specify input file");
+		}
+		if (inputFiles.size() > 1) {
+			for (File inputFile : inputFiles) {
+				String fileName = inputFile.getName();
+				if (fileName.startsWith("--")) {
+					throw new JadxArgsValidateException("Unknown argument: " + fileName);
+				}
+			}
+			throw new JadxArgsValidateException("Only one input file supported");
+		}
+		for (File file : inputFiles) {
+			checkFile(file);
+		}
+	}
+
+	private static void validateOutDirs(JadxArgs args) {
+		File outDir = args.getOutDir();
+		File srcDir = args.getOutDirSrc();
+		File resDir = args.getOutDirRes();
+		if (outDir == null) {
+			if (srcDir != null) {
+				outDir = srcDir;
+			} else if (resDir != null) {
+				outDir = resDir;
+			} else {
+				outDir = makeDirFromInput(args);
+			}
+			args.setOutDir(outDir);
+		}
+		if (srcDir == null) {
+			args.setOutDirSrc(new File(args.getOutDir(), JadxArgs.DEFAULT_SRC_DIR));
+		}
+		if (resDir == null) {
+			args.setOutDirRes(new File(args.getOutDir(), JadxArgs.DEFAULT_RES_DIR));
+		}
+
+		checkDir(args.getOutDir(), "Output");
+		checkDir(args.getOutDirSrc(), "Source output");
+		checkDir(args.getOutDirRes(), "Resources output");
+	}
+
+	@NotNull
+	private static File makeDirFromInput(JadxArgs args) {
+		File outDir;
+		String outDirName;
+		File file = args.getInputFiles().get(0);
+		String name = file.getName();
+		int pos = name.lastIndexOf('.');
+		if (pos != -1) {
+			outDirName = name.substring(0, pos);
+		} else {
+			outDirName = name + '-' + JadxArgs.DEFAULT_OUT_DIR;
+		}
+		LOG.info("output directory: {}", outDirName);
+		outDir = new File(outDirName);
+		return outDir;
+	}
+
+	private static void checkFile(File file) {
+		if (!file.exists()) {
+			throw new JadxArgsValidateException("File not found " + file.getAbsolutePath());
+		}
+		if (file.isDirectory()) {
+			throw new JadxArgsValidateException("Expected file but found directory instead: " + file.getAbsolutePath());
+		}
+	}
+
+	private static void checkDir(File dir, String desc) {
+		if (dir != null && dir.exists() && !dir.isDirectory()) {
+			throw new JadxArgsValidateException(desc + " directory exists as file " + dir);
+		}
+	}
+
+	private JadxArgsValidator() {
+	}
+}

jadx-core/src/main/java/jadx/api/JadxDecompiler.java

@@ -1,121 +1,127 @@
 package jadx.api;
 
-import jadx.core.Jadx;
-import jadx.core.ProcessClass;
-import jadx.core.codegen.CodeGen;
-import jadx.core.codegen.CodeWriter;
-import jadx.core.dex.nodes.ClassNode;
-import jadx.core.dex.nodes.RootNode;
-import jadx.core.dex.visitors.IDexTreeVisitor;
-import jadx.core.dex.visitors.SaveCode;
-import jadx.core.utils.exceptions.DecodeException;
-import jadx.core.utils.exceptions.JadxException;
-import jadx.core.utils.exceptions.JadxRuntimeException;
-import jadx.core.utils.files.InputFile;
-import jadx.core.xmlgen.BinaryXMLParser;
-
 import java.io.File;
-import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
+import java.util.function.Predicate;
 
+import org.jetbrains.annotations.Nullable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import jadx.core.Jadx;
+import jadx.core.dex.attributes.AFlag;
+import jadx.core.dex.attributes.nodes.LineAttrNode;
+import jadx.core.dex.nodes.ClassNode;
+import jadx.core.dex.nodes.FieldNode;
+import jadx.core.dex.nodes.MethodNode;
+import jadx.core.dex.nodes.RootNode;
+import jadx.core.dex.visitors.SaveCode;
+import jadx.core.export.ExportGradleProject;
+import jadx.core.utils.exceptions.JadxRuntimeException;
+import jadx.core.utils.files.InputFile;
+import jadx.core.xmlgen.BinaryXMLParser;
+import jadx.core.xmlgen.ResourcesSaver;
+
 /**
  * Jadx API usage example:
- * <pre><code>
- *  JadxDecompiler jadx = new JadxDecompiler();
- *  jadx.loadFile(new File("classes.dex"));
- *  jadx.setOutputDir(new File("out"));
- *  jadx.save();
- * </code></pre>
- * <p/>
- * Instead of 'save()' you can get list of decompiled classes:
- * <pre><code>
+ *
+ * <pre>
+ * <code>
+ * JadxArgs args = new JadxArgs();
+ * args.getInputFiles().add(new File("test.apk"));
+ * args.setOutDir(new File("jadx-test-output"));
+ *
+ * JadxDecompiler jadx = new JadxDecompiler(args);
+ * jadx.load();
+ * jadx.save();
+ * </code>
+ * </pre>
+ * <p>
+ * Instead of 'save()' you can iterate over decompiled classes:
+ *
+ * <pre>
+ * <code>
  *  for(JavaClass cls : jadx.getClasses()) {
  *      System.out.println(cls.getCode());
  *  }
- * </code></pre>
+ * </code>
+ * </pre>
  */
 public final class JadxDecompiler {
 	private static final Logger LOG = LoggerFactory.getLogger(JadxDecompiler.class);
 
-	private final IJadxArgs args;
-	private final List<InputFile> inputFiles = new ArrayList<InputFile>();
-
-	private File outDir;
+	private JadxArgs args;
+	private List<InputFile> inputFiles;
 
 	private RootNode root;
-	private List<IDexTreeVisitor> passes;
-	private CodeGen codeGen;
-
 	private List<JavaClass> classes;
 	private List<ResourceFile> resources;
 
 	private BinaryXMLParser xmlParser;
 
+	private Map<ClassNode, JavaClass> classesMap = new ConcurrentHashMap<>();
+	private Map<MethodNode, JavaMethod> methodsMap = new ConcurrentHashMap<>();
+	private Map<FieldNode, JavaField> fieldsMap = new ConcurrentHashMap<>();
+
 	public JadxDecompiler() {
-		this(new DefaultJadxArgs());
+		this(new JadxArgs());
 	}
 
-	public JadxDecompiler(IJadxArgs jadxArgs) {
-		this.args = jadxArgs;
-		this.outDir = jadxArgs.getOutDir();
+	public JadxDecompiler(JadxArgs args) {
+		this.args = args;
+	}
+
+	public void load() {
 		reset();
-		init();
+		JadxArgsValidator.validate(args);
+		LOG.info("loading ...");
+
+		inputFiles = loadFiles(args.getInputFiles());
+
+		root = new RootNode(args);
+		root.load(inputFiles);
+		root.initClassPath();
+		root.loadResources(getResources());
+		root.initPasses();
 	}
 
-	public void setOutputDir(File outDir) {
-		this.outDir = outDir;
-		init();
-	}
-
-	void init() {
-		if (outDir == null) {
-			outDir = new DefaultJadxArgs().getOutDir();
-		}
-		this.passes = Jadx.getPassesList(args, outDir);
-		this.codeGen = new CodeGen(args);
-	}
-
-	void reset() {
+	private void reset() {
+		root = null;
 		classes = null;
 		resources = null;
 		xmlParser = null;
-		root = null;
-		passes = null;
-		codeGen = null;
+
+		classesMap.clear();
+		methodsMap.clear();
+		fieldsMap.clear();
 	}
 
 	public static String getVersion() {
 		return Jadx.getVersion();
 	}
 
-	public void loadFile(File file) throws JadxException {
-		loadFiles(Collections.singletonList(file));
-	}
-
-	public void loadFiles(List<File> files) throws JadxException {
+	private List<InputFile> loadFiles(List<File> files) {
 		if (files.isEmpty()) {
-			throw new JadxException("Empty file list");
+			throw new JadxRuntimeException("Empty file list");
 		}
-		inputFiles.clear();
+		List<InputFile> filesList = new ArrayList<>();
 		for (File file : files) {
 			try {
-				inputFiles.add(new InputFile(file));
-			} catch (IOException e) {
-				throw new JadxException("Error load file: " + file, e);
+				InputFile.addFilesFrom(file, filesList, args.isSkipSources());
+			} catch (Exception e) {
+				throw new JadxRuntimeException("Error load file: " + file, e);
 			}
 		}
-		parse();
+		return filesList;
 	}
 
 	public void save() {
@@ -131,12 +137,13 @@ public final class JadxDecompiler {
 	}
 
 	private void save(boolean saveSources, boolean saveResources) {
+		ExecutorService ex = getSaveExecutor(saveSources, saveResources);
+		ex.shutdown();
 		try {
-			ExecutorService ex = getSaveExecutor(saveSources, saveResources);
-			ex.shutdown();
 			ex.awaitTermination(1, TimeUnit.DAYS);
 		} catch (InterruptedException e) {
-			throw new JadxRuntimeException("Save interrupted", e);
+			LOG.error("Save interrupted", e);
+			Thread.currentThread().interrupt();
 		}
 	}
 
@@ -153,44 +160,67 @@ public final class JadxDecompiler {
 
 		LOG.info("processing ...");
 		ExecutorService executor = Executors.newFixedThreadPool(threadsCount);
-		if (saveSources) {
-			for (final JavaClass cls : getClasses()) {
-				executor.execute(new Runnable() {
-					@Override
-					public void run() {
-						cls.decompile();
-						SaveCode.save(outDir, args, cls.getClassNode());
-					}
-				});
-			}
+
+		File sourcesOutDir;
+		File resOutDir;
+		if (args.isExportAsGradleProject()) {
+			ExportGradleProject export = new ExportGradleProject(root, args.getOutDir());
+			export.init();
+			sourcesOutDir = export.getSrcOutDir();
+			resOutDir = export.getResOutDir();
+		} else {
+			sourcesOutDir = args.getOutDirSrc();
+			resOutDir = args.getOutDirRes();
 		}
 		if (saveResources) {
-			for (final ResourceFile resourceFile : getResources()) {
-				executor.execute(new Runnable() {
-					@Override
-					public void run() {
-						if (ResourceType.isSupportedForUnpack(resourceFile.getType())) {
-							CodeWriter cw = resourceFile.getContent();
-							if (cw != null) {
-								cw.save(new File(outDir, resourceFile.getName()));
-							}
-						}
-					}
-				});
-			}
+			appendResourcesSave(executor, resOutDir);
+		}
+		if (saveSources) {
+			appendSourcesSave(executor, sourcesOutDir);
 		}
 		return executor;
 	}
 
+	private void appendResourcesSave(ExecutorService executor, File outDir) {
+		for (ResourceFile resourceFile : getResources()) {
+			executor.execute(new ResourcesSaver(outDir, resourceFile));
+		}
+	}
+
+	private void appendSourcesSave(ExecutorService executor, File outDir) {
+		final Predicate<String> classFilter = args.getClassFilter();
+		for (JavaClass cls : getClasses()) {
+			if (cls.getClassNode().contains(AFlag.DONT_GENERATE)) {
+				continue;
+			}
+			if (classFilter != null && !classFilter.test(cls.getFullName())) {
+				continue;
+			}
+			executor.execute(() -> {
+				try {
+					ICodeInfo code = cls.getCodeInfo();
+					SaveCode.save(outDir, cls.getClassNode(), code);
+				} catch (Exception e) {
+					LOG.error("Error saving class: {}", cls.getFullName(), e);
+				}
+			});
+		}
+	}
+
 	public List<JavaClass> getClasses() {
 		if (root == null) {
 			return Collections.emptyList();
 		}
 		if (classes == null) {
 			List<ClassNode> classNodeList = root.getClasses(false);
-			List<JavaClass> clsList = new ArrayList<JavaClass>(classNodeList.size());
+			List<JavaClass> clsList = new ArrayList<>(classNodeList.size());
+			classesMap.clear();
 			for (ClassNode classNode : classNodeList) {
-				clsList.add(new JavaClass(classNode, this));
+				if (!classNode.contains(AFlag.DONT_GENERATE)) {
+					JavaClass javaClass = new JavaClass(classNode, this);
+					clsList.add(javaClass);
+					classesMap.put(classNode, javaClass);
+				}
 			}
 			classes = Collections.unmodifiableList(clsList);
 		}
@@ -212,28 +242,19 @@ public final class JadxDecompiler {
 		if (classList.isEmpty()) {
 			return Collections.emptyList();
 		}
-		Map<String, List<JavaClass>> map = new HashMap<String, List<JavaClass>>();
+		Map<String, List<JavaClass>> map = new HashMap<>();
 		for (JavaClass javaClass : classList) {
 			String pkg = javaClass.getPackage();
-			List<JavaClass> clsList = map.get(pkg);
-			if (clsList == null) {
-				clsList = new ArrayList<JavaClass>();
-				map.put(pkg, clsList);
-			}
+			List<JavaClass> clsList = map.computeIfAbsent(pkg, k -> new ArrayList<>());
 			clsList.add(javaClass);
 		}
-		List<JavaPackage> packages = new ArrayList<JavaPackage>(map.size());
+		List<JavaPackage> packages = new ArrayList<>(map.size());
 		for (Map.Entry<String, List<JavaClass>> entry : map.entrySet()) {
 			packages.add(new JavaPackage(entry.getKey(), entry.getValue()));
 		}
 		Collections.sort(packages);
 		for (JavaPackage pkg : packages) {
-			Collections.sort(pkg.getClasses(), new Comparator<JavaClass>() {
-				@Override
-				public int compare(JavaClass o1, JavaClass o2) {
-					return o1.getName().compareTo(o2.getName());
-				}
-			});
+			pkg.getClasses().sort(Comparator.comparing(JavaClass::getName, String.CASE_INSENSITIVE_ORDER));
 		}
 		return Collections.unmodifiableList(packages);
 	}
@@ -245,66 +266,162 @@ public final class JadxDecompiler {
 		return root.getErrorsCounter().getErrorCount();
 	}
 
+	public int getWarnsCount() {
+		if (root == null) {
+			return 0;
+		}
+		return root.getErrorsCounter().getWarnsCount();
+	}
+
 	public void printErrorsReport() {
 		if (root == null) {
 			return;
 		}
+		root.getClsp().printMissingClasses();
 		root.getErrorsCounter().printReport();
 	}
 
-	void parse() throws DecodeException {
-		reset();
-		init();
-
-		root = new RootNode(args);
-		LOG.info("loading ...");
-		root.load(inputFiles);
-
-		root.initClassPath();
-		root.loadResources(getResources());
-		root.initAppResClass();
-
-		initVisitors();
-	}
-
-	private void initVisitors() {
-		for (IDexTreeVisitor pass : passes) {
-			try {
-				pass.init(root);
-			} catch (Exception e) {
-				LOG.error("Visitor init failed: {}", pass.getClass().getSimpleName(), e);
-			}
-		}
-	}
-
-	void processClass(ClassNode cls) {
-		ProcessClass.process(cls, passes, codeGen);
-	}
-
 	RootNode getRoot() {
 		return root;
 	}
 
-	BinaryXMLParser getXmlParser() {
+	synchronized BinaryXMLParser getXmlParser() {
 		if (xmlParser == null) {
 			xmlParser = new BinaryXMLParser(root);
 		}
 		return xmlParser;
 	}
 
-	JavaClass findJavaClass(ClassNode cls) {
-		if (cls == null) {
+	private void loadJavaClass(JavaClass javaClass) {
+		javaClass.getMethods().forEach(mth -> methodsMap.put(mth.getMethodNode(), mth));
+		javaClass.getFields().forEach(fld -> fieldsMap.put(fld.getFieldNode(), fld));
+
+		for (JavaClass innerCls : javaClass.getInnerClasses()) {
+			classesMap.put(innerCls.getClassNode(), innerCls);
+			loadJavaClass(innerCls);
+		}
+	}
+
+	@Nullable("For not generated classes")
+	private JavaClass getJavaClassByNode(ClassNode cls) {
+		JavaClass javaClass = classesMap.get(cls);
+		if (javaClass != null) {
+			return javaClass;
+		}
+		// load parent class if inner
+		ClassNode parentClass = cls.getTopParentClass();
+		if (parentClass.contains(AFlag.DONT_GENERATE)) {
 			return null;
 		}
-		for (JavaClass javaClass : getClasses()) {
-			if (javaClass.getClassNode().equals(cls)) {
+		if (parentClass != cls) {
+			JavaClass parentJavaClass = classesMap.get(parentClass);
+			if (parentJavaClass == null) {
+				getClasses();
+				parentJavaClass = classesMap.get(parentClass);
+			}
+			loadJavaClass(parentJavaClass);
+			javaClass = classesMap.get(cls);
+			if (javaClass != null) {
 				return javaClass;
 			}
 		}
-		return null;
+		// class or parent classes can be excluded from generation
+		if (cls.hasNotGeneratedParent()) {
+			return null;
+		}
+		throw new JadxRuntimeException("JavaClass not found by ClassNode: " + cls);
 	}
 
-	public IJadxArgs getArgs() {
+	@Nullable
+	private JavaMethod getJavaMethodByNode(MethodNode mth) {
+		JavaMethod javaMethod = methodsMap.get(mth);
+		if (javaMethod != null) {
+			return javaMethod;
+		}
+		// parent class not loaded yet
+		JavaClass javaClass = getJavaClassByNode(mth.getParentClass().getTopParentClass());
+		if (javaClass == null) {
+			return null;
+		}
+		loadJavaClass(javaClass);
+		javaMethod = methodsMap.get(mth);
+		if (javaMethod != null) {
+			return javaMethod;
+		}
+		if (mth.getParentClass().hasNotGeneratedParent()) {
+			return null;
+		}
+		throw new JadxRuntimeException("JavaMethod not found by MethodNode: " + mth);
+	}
+
+	@Nullable
+	private JavaField getJavaFieldByNode(FieldNode fld) {
+		JavaField javaField = fieldsMap.get(fld);
+		if (javaField != null) {
+			return javaField;
+		}
+		// parent class not loaded yet
+		JavaClass javaClass = getJavaClassByNode(fld.getParentClass().getTopParentClass());
+		if (javaClass == null) {
+			return null;
+		}
+		loadJavaClass(javaClass);
+		javaField = fieldsMap.get(fld);
+		if (javaField != null) {
+			return javaField;
+		}
+		if (fld.getParentClass().hasNotGeneratedParent()) {
+			return null;
+		}
+		throw new JadxRuntimeException("JavaField not found by FieldNode: " + fld);
+	}
+
+	@Nullable
+	JavaNode convertNode(Object obj) {
+		if (!(obj instanceof LineAttrNode)) {
+			return null;
+		}
+		LineAttrNode node = (LineAttrNode) obj;
+		if (node.contains(AFlag.DONT_GENERATE)) {
+			return null;
+		}
+		if (obj instanceof ClassNode) {
+			return getJavaClassByNode((ClassNode) obj);
+		}
+		if (obj instanceof MethodNode) {
+			return getJavaMethodByNode(((MethodNode) obj));
+		}
+		if (obj instanceof FieldNode) {
+			return getJavaFieldByNode((FieldNode) obj);
+		}
+		throw new JadxRuntimeException("Unexpected node type: " + obj);
+	}
+
+	@Nullable
+	public JavaNode getJavaNodeAtPosition(ICodeInfo codeInfo, int line, int offset) {
+		Map<CodePosition, Object> map = codeInfo.getAnnotations();
+		if (map.isEmpty()) {
+			return null;
+		}
+		Object obj = map.get(new CodePosition(line, offset));
+		if (obj == null) {
+			return null;
+		}
+		return convertNode(obj);
+	}
+
+	@Nullable
+	public CodePosition getDefinitionPosition(JavaNode javaNode) {
+		JavaClass jCls = javaNode.getTopParentClass();
+		jCls.decompile();
+		int defLine = javaNode.getDecompiledLine();
+		if (defLine == 0) {
+			return null;
+		}
+		return new CodePosition(jCls, defLine, 0);
+	}
+
+	public JadxArgs getArgs() {
 		return args;
 	}
 

jadx-core/src/main/java/jadx/api/JavaClass.java

@@ -1,19 +1,20 @@
 package jadx.api;
 
-import jadx.core.codegen.CodeWriter;
-import jadx.core.dex.attributes.AFlag;
-import jadx.core.dex.attributes.nodes.LineAttrNode;
-import jadx.core.dex.info.AccessInfo;
-import jadx.core.dex.nodes.ClassNode;
-import jadx.core.dex.nodes.FieldNode;
-import jadx.core.dex.nodes.MethodNode;
-
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import org.jetbrains.annotations.Nullable;
+
+import jadx.core.dex.attributes.AFlag;
+import jadx.core.dex.info.AccessInfo;
+import jadx.core.dex.nodes.ClassNode;
+import jadx.core.dex.nodes.FieldNode;
+import jadx.core.dex.nodes.MethodNode;
+
 public final class JavaClass implements JavaNode {
 
 	private final JadxDecompiler decompiler;
@@ -23,6 +24,7 @@ public final class JavaClass implements JavaNode {
 	private List<JavaClass> innerClasses = Collections.emptyList();
 	private List<JavaField> fields = Collections.emptyList();
 	private List<JavaMethod> methods = Collections.emptyList();
+	private boolean listsLoaded;
 
 	JavaClass(ClassNode classNode, JadxDecompiler decompiler) {
 		this.decompiler = decompiler;
@@ -40,39 +42,48 @@ public final class JavaClass implements JavaNode {
 	}
 
 	public String getCode() {
-		CodeWriter code = cls.getCode();
-		if (code == null) {
-			decompile();
-			code = cls.getCode();
-		}
+		ICodeInfo code = getCodeInfo();
 		if (code == null) {
 			return "";
 		}
-		return code.toString();
+		return code.getCodeStr();
+	}
+
+	public ICodeInfo getCodeInfo() {
+		return cls.decompile();
 	}
 
 	public void decompile() {
-		if (decompiler == null) {
-			return;
-		}
-		if (cls.getCode() == null) {
-			decompiler.processClass(cls);
-			load();
-		}
+		cls.decompile();
 	}
 
-	ClassNode getClassNode() {
+	public synchronized String getSmali() {
+		return cls.getSmali();
+	}
+
+	public synchronized void unload() {
+		cls.unload();
+		listsLoaded = false;
+	}
+
+	public ClassNode getClassNode() {
 		return cls;
 	}
 
-	private void load() {
+	private void loadLists() {
+		if (listsLoaded) {
+			return;
+		}
+		listsLoaded = true;
+		decompile();
+
 		int inClsCount = cls.getInnerClasses().size();
 		if (inClsCount != 0) {
-			List<JavaClass> list = new ArrayList<JavaClass>(inClsCount);
+			List<JavaClass> list = new ArrayList<>(inClsCount);
 			for (ClassNode inner : cls.getInnerClasses()) {
 				if (!inner.contains(AFlag.DONT_GENERATE)) {
 					JavaClass javaClass = new JavaClass(inner, this);
-					javaClass.load();
+					javaClass.loadLists();
 					list.add(javaClass);
 				}
 			}
@@ -81,10 +92,11 @@ public final class JavaClass implements JavaNode {
 
 		int fieldsCount = cls.getFields().size();
 		if (fieldsCount != 0) {
-			List<JavaField> flds = new ArrayList<JavaField>(fieldsCount);
+			List<JavaField> flds = new ArrayList<>(fieldsCount);
 			for (FieldNode f : cls.getFields()) {
 				if (!f.contains(AFlag.DONT_GENERATE)) {
-					flds.add(new JavaField(f, this));
+					JavaField javaField = new JavaField(f, this);
+					flds.add(javaField);
 				}
 			}
 			this.fields = Collections.unmodifiableList(flds);
@@ -92,63 +104,64 @@ public final class JavaClass implements JavaNode {
 
 		int methodsCount = cls.getMethods().size();
 		if (methodsCount != 0) {
-			List<JavaMethod> mths = new ArrayList<JavaMethod>(methodsCount);
+			List<JavaMethod> mths = new ArrayList<>(methodsCount);
 			for (MethodNode m : cls.getMethods()) {
 				if (!m.contains(AFlag.DONT_GENERATE)) {
-					mths.add(new JavaMethod(this, m));
+					JavaMethod javaMethod = new JavaMethod(this, m);
+					mths.add(javaMethod);
 				}
 			}
-			Collections.sort(mths, new Comparator<JavaMethod>() {
-				@Override
-				public int compare(JavaMethod o1, JavaMethod o2) {
-					return o1.getName().compareTo(o2.getName());
-				}
-			});
+			mths.sort(Comparator.comparing(JavaMethod::getName));
 			this.methods = Collections.unmodifiableList(mths);
 		}
 	}
 
-	private Map<CodePosition, Object> getCodeAnnotations() {
-		decompile();
-		return cls.getCode().getAnnotations();
+	private JadxDecompiler getRootDecompiler() {
+		if (parent != null) {
+			return parent.getRootDecompiler();
+		}
+		return decompiler;
 	}
 
-	public CodePosition getDefinitionPosition(int line, int offset) {
+	private Map<CodePosition, Object> getCodeAnnotations() {
+		ICodeInfo code = getCodeInfo();
+		if (code == null) {
+			return Collections.emptyMap();
+		}
+		return code.getAnnotations();
+	}
+
+	public Map<CodePosition, JavaNode> getUsageMap() {
 		Map<CodePosition, Object> map = getCodeAnnotations();
-		if (map.isEmpty()) {
-			return null;
+		if (map.isEmpty() || decompiler == null) {
+			return Collections.emptyMap();
 		}
-		Object obj = map.get(new CodePosition(line, offset));
-		if (!(obj instanceof LineAttrNode)) {
-			return null;
+		Map<CodePosition, JavaNode> resultMap = new HashMap<>(map.size());
+		for (Map.Entry<CodePosition, Object> entry : map.entrySet()) {
+			CodePosition codePosition = entry.getKey();
+			Object obj = entry.getValue();
+			JavaNode node = getRootDecompiler().convertNode(obj);
+			if (node != null) {
+				resultMap.put(codePosition, node);
+			}
 		}
-		ClassNode clsNode = null;
-		if (obj instanceof ClassNode) {
-			clsNode = (ClassNode) obj;
-		} else if (obj instanceof MethodNode) {
-			clsNode = ((MethodNode) obj).getParentClass();
-		} else if (obj instanceof FieldNode) {
-			clsNode = ((FieldNode) obj).getParentClass();
-		}
-		if (clsNode == null) {
-			return null;
-		}
-		clsNode = clsNode.getTopParentClass();
-		JavaClass jCls = decompiler.findJavaClass(clsNode);
-		if (jCls == null) {
-			return null;
-		}
-		jCls.decompile();
-		int defLine = ((LineAttrNode) obj).getDecompiledLine();
-		if (defLine == 0) {
-			return null;
-		}
-		return new CodePosition(jCls, defLine, 0);
+		return resultMap;
+	}
+
+	@Nullable
+	@Deprecated
+	public JavaNode getJavaNodeAtPosition(int line, int offset) {
+		return getRootDecompiler().getJavaNodeAtPosition(getCodeInfo(), line, offset);
+	}
+
+	@Nullable
+	@Deprecated
+	public CodePosition getDefinitionPosition() {
+		return getRootDecompiler().getDefinitionPosition(this);
 	}
 
 	public Integer getSourceLine(int decompiledLine) {
-		decompile();
-		return cls.getCode().getLineMapping().get(decompiledLine);
+		return getCodeInfo().getLineMapping().get(decompiledLine);
 	}
 
 	@Override
@@ -170,25 +183,31 @@ public final class JavaClass implements JavaNode {
 		return parent;
 	}
 
+	@Override
+	public JavaClass getTopParentClass() {
+		return parent == null ? this : parent.getTopParentClass();
+	}
+
 	public AccessInfo getAccessInfo() {
 		return cls.getAccessFlags();
 	}
 
 	public List<JavaClass> getInnerClasses() {
-		decompile();
+		loadLists();
 		return innerClasses;
 	}
 
 	public List<JavaField> getFields() {
-		decompile();
+		loadLists();
 		return fields;
 	}
 
 	public List<JavaMethod> getMethods() {
-		decompile();
+		loadLists();
 		return methods;
 	}
 
+	@Override
 	public int getDecompiledLine() {
 		return cls.getDecompiledLine();
 	}
@@ -205,6 +224,6 @@ public final class JavaClass implements JavaNode {
 
 	@Override
 	public String toString() {
-		return cls.getFullName() + "[ " + getFullName() + " ]";
+		return getFullName();
 	}
 }

jadx-core/src/main/java/jadx/api/JavaField.java

@@ -21,7 +21,7 @@ public final class JavaField implements JavaNode {
 
 	@Override
 	public String getFullName() {
-		return parent.getFullName() + "." + getName();
+		return parent.getFullName() + '.' + getName();
 	}
 
 	@Override
@@ -29,15 +29,39 @@ public final class JavaField implements JavaNode {
 		return parent;
 	}
 
+	@Override
+	public JavaClass getTopParentClass() {
+		return parent.getTopParentClass();
+	}
+
 	public AccessInfo getAccessFlags() {
 		return field.getAccessFlags();
 	}
 
 	public ArgType getType() {
-		return field.getType();
+		return ArgType.tryToResolveClassAlias(field.dex(), field.getType());
 	}
 
 	public int getDecompiledLine() {
 		return field.getDecompiledLine();
 	}
+
+	FieldNode getFieldNode() {
+		return field;
+	}
+
+	@Override
+	public int hashCode() {
+		return field.hashCode();
+	}
+
+	@Override
+	public boolean equals(Object o) {
+		return this == o || o instanceof JavaField && field.equals(((JavaField) o).field);
+	}
+
+	@Override
+	public String toString() {
+		return field.toString();
+	}
 }

jadx-core/src/main/java/jadx/api/JavaMethod.java

@@ -1,10 +1,12 @@
 package jadx.api;
 
+import java.util.Collections;
+import java.util.List;
+
 import jadx.core.dex.info.AccessInfo;
 import jadx.core.dex.instructions.args.ArgType;
 import jadx.core.dex.nodes.MethodNode;
-
-import java.util.List;
+import jadx.core.utils.Utils;
 
 public final class JavaMethod implements JavaNode {
 	private final MethodNode mth;
@@ -30,16 +32,34 @@ public final class JavaMethod implements JavaNode {
 		return parent;
 	}
 
+	@Override
+	public JavaClass getTopParentClass() {
+		return parent.getTopParentClass();
+	}
+
 	public AccessInfo getAccessFlags() {
 		return mth.getAccessFlags();
 	}
 
 	public List<ArgType> getArguments() {
-		return mth.getMethodInfo().getArgumentsTypes();
+		List<ArgType> infoArgTypes = mth.getMethodInfo().getArgumentsTypes();
+		if (infoArgTypes.isEmpty()) {
+			return Collections.emptyList();
+		}
+		List<ArgType> arguments = mth.getArgTypes();
+		if (arguments == null) {
+			arguments = infoArgTypes;
+		}
+		return Utils.collectionMap(arguments,
+				type -> ArgType.tryToResolveClassAlias(mth.dex(), type));
 	}
 
 	public ArgType getReturnType() {
-		return mth.getReturnType();
+		ArgType retType = mth.getReturnType();
+		if (retType == null) {
+			retType = mth.getMethodInfo().getReturnType();
+		}
+		return ArgType.tryToResolveClassAlias(mth.dex(), retType);
 	}
 
 	public boolean isConstructor() {
@@ -53,4 +73,23 @@ public final class JavaMethod implements JavaNode {
 	public int getDecompiledLine() {
 		return mth.getDecompiledLine();
 	}
+
+	MethodNode getMethodNode() {
+		return mth;
+	}
+
+	@Override
+	public int hashCode() {
+		return mth.hashCode();
+	}
+
+	@Override
+	public boolean equals(Object o) {
+		return this == o || o instanceof JavaMethod && mth.equals(((JavaMethod) o).mth);
+	}
+
+	@Override
+	public String toString() {
+		return mth.toString();
+	}
 }

jadx-core/src/main/java/jadx/api/JavaNode.java

@@ -7,4 +7,8 @@ public interface JavaNode {
 	String getFullName();
 
 	JavaClass getDeclaringClass();
+
+	JavaClass getTopParentClass();
+
+	int getDecompiledLine();
 }

jadx-core/src/main/java/jadx/api/JavaPackage.java

@@ -33,6 +33,16 @@ public final class JavaPackage implements JavaNode, Comparable<JavaPackage> {
 		return null;
 	}
 
+	@Override
+	public JavaClass getTopParentClass() {
+		return null;
+	}
+
+	@Override
+	public int getDecompiledLine() {
+		return 0;
+	}
+
 	@Override
 	public int compareTo(@NotNull JavaPackage o) {
 		return name.compareTo(o.name);

jadx-core/src/main/java/jadx/api/ResourceFile.java

@@ -1,9 +1,10 @@
 package jadx.api;
 
-import jadx.core.codegen.CodeWriter;
-
 import java.io.File;
 
+import jadx.core.utils.files.ZipSecurity;
+import jadx.core.xmlgen.ResContainer;
+
 public class ResourceFile {
 
 	public static final class ZipRef {
@@ -34,7 +35,14 @@ public class ResourceFile {
 	private final ResourceType type;
 	private ZipRef zipRef;
 
-	ResourceFile(JadxDecompiler decompiler, String name, ResourceType type) {
+	public static ResourceFile createResourceFile(JadxDecompiler decompiler, String name, ResourceType type) {
+		if (!ZipSecurity.isValidZipEntryName(name)) {
+			return null;
+		}
+		return new ResourceFile(decompiler, name, type);
+	}
+
+	protected ResourceFile(JadxDecompiler decompiler, String name, ResourceType type) {
 		this.decompiler = decompiler;
 		this.name = name;
 		this.type = type;
@@ -48,7 +56,7 @@ public class ResourceFile {
 		return type;
 	}
 
-	public CodeWriter getContent() {
+	public ResContainer loadContent() {
 		return ResourcesLoader.loadContent(decompiler, this);
 	}
 
@@ -56,12 +64,12 @@ public class ResourceFile {
 		this.zipRef = zipRef;
 	}
 
-	ZipRef getZipRef() {
+	public ZipRef getZipRef() {
 		return zipRef;
 	}
 
 	@Override
 	public String toString() {
-		return "ResourceFile{name='" + name + '\'' + ", type=" + type + "}";
+		return "ResourceFile{name='" + name + '\'' + ", type=" + type + '}';
 	}
 }

jadx-core/src/main/java/jadx/api/ResourceFileContent.java

@@ -0,0 +1,18 @@
+package jadx.api;
+
+import jadx.core.codegen.CodeWriter;
+import jadx.core.xmlgen.ResContainer;
+
+public class ResourceFileContent extends ResourceFile {
+	private final CodeWriter content;
+
+	public ResourceFileContent(String name, ResourceType type, CodeWriter content) {
+		super(null, name, type);
+		this.content = content;
+	}
+
+	@Override
+	public ResContainer loadContent() {
+		return ResContainer.textResource(getName(), content);
+	}
+}

jadx-core/src/main/java/jadx/api/ResourceType.java

@@ -1,12 +1,13 @@
 package jadx.api;
 
 public enum ResourceType {
-	CODE(".dex", ".class"),
+	CODE(".dex", ".jar", ".class"),
 	MANIFEST("AndroidManifest.xml"),
-	XML(".xml"), // TODO binary or not?
-	ARSC(".arsc"), // TODO decompile !!!
-	FONT(".ttf"),
+	XML(".xml"),
+	ARSC(".arsc"),
+	FONT(".ttf", ".otf"),
 	IMG(".png", ".gif", ".jpg"),
+	MEDIA(".mp3", ".wav"),
 	LIB(".so"),
 	UNKNOWN;
 
@@ -23,28 +24,11 @@ public enum ResourceType {
 	public static ResourceType getFileType(String fileName) {
 		for (ResourceType type : ResourceType.values()) {
 			for (String ext : type.getExts()) {
-				if (fileName.endsWith(ext)) {
+				if (fileName.toLowerCase().endsWith(ext)) {
 					return type;
 				}
 			}
 		}
 		return UNKNOWN;
 	}
-
-	public static boolean isSupportedForUnpack(ResourceType type) {
-		switch (type) {
-			case CODE:
-			case ARSC:
-			case LIB:
-			case FONT:
-			case IMG:
-			case UNKNOWN:
-				return false;
-
-			case MANIFEST:
-			case XML:
-				return true;
-		}
-		return false;
-	}
 }

jadx-core/src/main/java/jadx/api/ResourcesLoader.java

@@ -1,15 +1,9 @@
 package jadx.api;
 
-import jadx.api.ResourceFile.ZipRef;
-import jadx.core.codegen.CodeWriter;
-import jadx.core.utils.Utils;
-import jadx.core.utils.exceptions.JadxException;
-import jadx.core.utils.files.InputFile;
-import jadx.core.xmlgen.ResTableParser;
-
 import java.io.BufferedInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
+import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.ArrayList;
@@ -21,13 +15,23 @@ import java.util.zip.ZipFile;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import jadx.api.ResourceFile.ZipRef;
+import jadx.core.codegen.CodeWriter;
+import jadx.core.utils.Utils;
+import jadx.core.utils.android.Res9patchStreamDecoder;
+import jadx.core.utils.exceptions.JadxException;
+import jadx.core.utils.files.InputFile;
+import jadx.core.utils.files.ZipSecurity;
+import jadx.core.xmlgen.ResContainer;
+import jadx.core.xmlgen.ResTableParser;
+
+import static jadx.core.utils.files.FileUtils.READ_BUFFER_SIZE;
+import static jadx.core.utils.files.FileUtils.copyStream;
+
 // TODO: move to core package
 public final class ResourcesLoader {
 	private static final Logger LOG = LoggerFactory.getLogger(ResourcesLoader.class);
 
-	private static final int READ_BUFFER_SIZE = 8 * 1024;
-	private static final int LOAD_SIZE_LIMIT = 10 * 1024 * 1024;
-
 	private final JadxDecompiler jadxRef;
 
 	ResourcesLoader(JadxDecompiler jadxRef) {
@@ -35,104 +39,113 @@ public final class ResourcesLoader {
 	}
 
 	List<ResourceFile> load(List<InputFile> inputFiles) {
-		List<ResourceFile> list = new ArrayList<ResourceFile>(inputFiles.size());
+		List<ResourceFile> list = new ArrayList<>(inputFiles.size());
 		for (InputFile file : inputFiles) {
 			loadFile(list, file.getFile());
 		}
 		return list;
 	}
 
-	public interface ResourceDecoder {
-		Object decode(long size, InputStream is) throws IOException;
+	public interface ResourceDecoder<T> {
+		T decode(long size, InputStream is) throws IOException;
 	}
 
-	public static Object decodeStream(ResourceFile rf, ResourceDecoder decoder) throws JadxException {
-		ZipRef zipRef = rf.getZipRef();
-		if (zipRef == null) {
-			return null;
-		}
-		ZipFile zipFile = null;
-		InputStream inputStream = null;
+	public static <T> T decodeStream(ResourceFile rf, ResourceDecoder<T> decoder) throws JadxException {
 		try {
-			zipFile = new ZipFile(zipRef.getZipFile());
-			ZipEntry entry = zipFile.getEntry(zipRef.getEntryName());
-			if (entry == null) {
-				throw new IOException("Zip entry not found: " + zipRef);
-			}
-			inputStream = new BufferedInputStream(zipFile.getInputStream(entry));
-			return decoder.decode(entry.getSize(), inputStream);
-		} catch (Exception e) {
-			throw new JadxException("Error decode: " + zipRef.getEntryName(), e);
-		} finally {
-			try {
-				if (zipFile != null) {
-					zipFile.close();
+			ZipRef zipRef = rf.getZipRef();
+			if (zipRef == null) {
+				File file = new File(rf.getName());
+				try (InputStream inputStream = new BufferedInputStream(new FileInputStream(file))) {
+					return decoder.decode(file.length(), inputStream);
 				}
-				if (inputStream != null) {
-					inputStream.close();
-				}
-			} catch (Exception e) {
-				LOG.debug("Error close zip file: {}", zipRef, e);
-			}
-		}
-	}
-
-	static CodeWriter loadContent(final JadxDecompiler jadxRef, final ResourceFile rf) {
-		try {
-			return (CodeWriter) decodeStream(rf, new ResourceDecoder() {
-				@Override
-				public Object decode(long size, InputStream is) throws IOException {
-					if (size > LOAD_SIZE_LIMIT) {
-						return new CodeWriter().add("File too big, size: "
-								+ String.format("%.2f KB", size / 1024.));
+			} else {
+				try (ZipFile zipFile = new ZipFile(zipRef.getZipFile())) {
+					ZipEntry entry = zipFile.getEntry(zipRef.getEntryName());
+					if (entry == null) {
+						throw new IOException("Zip entry not found: " + zipRef);
+					}
+					if (!ZipSecurity.isValidZipEntry(entry)) {
+						return null;
+					}
+					try (InputStream inputStream = new BufferedInputStream(zipFile.getInputStream(entry))) {
+						return decoder.decode(entry.getSize(), inputStream);
 					}
-					return loadContent(jadxRef, rf.getType(), is);
 				}
-			});
+			}
+		} catch (Exception e) {
+			throw new JadxException("Error decode: " + rf.getName(), e);
+		}
+	}
+
+	static ResContainer loadContent(JadxDecompiler jadxRef, ResourceFile rf) {
+		try {
+			return decodeStream(rf, (size, is) -> loadContent(jadxRef, rf, is));
 		} catch (JadxException e) {
 			LOG.error("Decode error", e);
 			CodeWriter cw = new CodeWriter();
 			cw.add("Error decode ").add(rf.getType().toString().toLowerCase());
-			cw.startLine(Utils.getStackTrace(e.getCause()));
-			return cw;
+			Utils.appendStackTrace(cw, e.getCause());
+			return ResContainer.textResource(rf.getName(), cw);
 		}
 	}
 
-	private static CodeWriter loadContent(JadxDecompiler jadxRef, ResourceType type,
+	private static ResContainer loadContent(JadxDecompiler jadxRef, ResourceFile rf,
 			InputStream inputStream) throws IOException {
-		switch (type) {
+		switch (rf.getType()) {
 			case MANIFEST:
 			case XML:
-				return jadxRef.getXmlParser().parse(inputStream);
+				CodeWriter content = jadxRef.getXmlParser().parse(inputStream);
+				return ResContainer.textResource(rf.getName(), content);
 
 			case ARSC:
-				return new ResTableParser().decodeToCodeWriter(inputStream);
+				return new ResTableParser(jadxRef.getRoot()).decodeFiles(inputStream);
+
+			case IMG:
+				return decodeImage(rf, inputStream);
+
+			default:
+				return ResContainer.resourceFileLink(rf);
 		}
-		return loadToCodeWriter(inputStream);
+	}
+
+	private static ResContainer decodeImage(ResourceFile rf, InputStream inputStream) {
+		String name = rf.getName();
+		if (name.endsWith(".9.png")) {
+			try (ByteArrayOutputStream os = new ByteArrayOutputStream()) {
+				Res9patchStreamDecoder decoder = new Res9patchStreamDecoder();
+				decoder.decode(inputStream, os);
+				return ResContainer.decodedData(rf.getName(), os.toByteArray());
+			} catch (Exception e) {
+				LOG.error("Failed to decode 9-patch png image, path: {}", name, e);
+			}
+		}
+		return ResContainer.resourceFileLink(rf);
 	}
 
 	private void loadFile(List<ResourceFile> list, File file) {
 		if (file == null) {
 			return;
 		}
-		ZipFile zip = null;
-		try {
-			zip = new ZipFile(file);
+		try (ZipFile zip = new ZipFile(file)) {
 			Enumeration<? extends ZipEntry> entries = zip.entries();
 			while (entries.hasMoreElements()) {
 				ZipEntry entry = entries.nextElement();
-				addEntry(list, file, entry);
-			}
-		} catch (IOException e) {
-			LOG.debug("Not a zip file: {}", file.getAbsolutePath());
-		} finally {
-			if (zip != null) {
-				try {
-					zip.close();
-				} catch (Exception e) {
-					LOG.error("Zip file close error: {}", file.getAbsolutePath(), e);
+				if (ZipSecurity.isValidZipEntry(entry)) {
+					addEntry(list, file, entry);
 				}
 			}
+		} catch (Exception e) {
+			LOG.debug("Not a zip file: {}", file.getAbsolutePath());
+			addResourceFile(list, file);
+		}
+	}
+
+	private void addResourceFile(List<ResourceFile> list, File file) {
+		String name = file.getAbsolutePath();
+		ResourceType type = ResourceType.getFileType(name);
+		ResourceFile rf = ResourceFile.createResourceFile(jadxRef, name, type);
+		if (rf != null) {
+			list.add(rf);
 		}
 	}
 
@@ -142,28 +155,16 @@ public final class ResourcesLoader {
 		}
 		String name = entry.getName();
 		ResourceType type = ResourceType.getFileType(name);
-		ResourceFile rf = new ResourceFile(jadxRef, name, type);
-		rf.setZipRef(new ZipRef(zipFile, name));
-		list.add(rf);
-		// LOG.debug("Add resource entry: {}, size: {}", name, entry.getSize());
+		ResourceFile rf = ResourceFile.createResourceFile(jadxRef, name, type);
+		if (rf != null) {
+			rf.setZipRef(new ZipRef(zipFile, name));
+			list.add(rf);
+		}
 	}
 
-	private static CodeWriter loadToCodeWriter(InputStream is) throws IOException {
-		CodeWriter cw = new CodeWriter();
+	public static CodeWriter loadToCodeWriter(InputStream is) throws IOException {
 		ByteArrayOutputStream baos = new ByteArrayOutputStream(READ_BUFFER_SIZE);
-		byte[] buffer = new byte[READ_BUFFER_SIZE];
-		int count;
-		try {
-			while ((count = is.read(buffer)) != -1) {
-				baos.write(buffer, 0, count);
-			}
-		} finally {
-			try {
-				is.close();
-			} catch (Exception ignore) {
-			}
-		}
-		cw.add(baos.toString("UTF-8"));
-		return cw;
+		copyStream(is, baos);
+		return new CodeWriter(baos.toString("UTF-8"));
 	}
 }

jadx-core/src/main/java/jadx/api/impl/InMemoryCodeCache.java

@@ -0,0 +1,24 @@
+package jadx.api.impl;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.jetbrains.annotations.Nullable;
+
+import jadx.api.ICodeCache;
+import jadx.api.ICodeInfo;
+
+public class InMemoryCodeCache implements ICodeCache {
+
+	private final Map<String, ICodeInfo> storage = new ConcurrentHashMap<>();
+
+	@Override
+	public void add(String clsFullName, ICodeInfo codeInfo) {
+		storage.put(clsFullName, codeInfo);
+	}
+
+	@Override
+	public @Nullable ICodeInfo get(String clsFullName) {
+		return storage.get(clsFullName);
+	}
+}

jadx-core/src/main/java/jadx/api/impl/NoOpCodeCache.java

@@ -0,0 +1,19 @@
+package jadx.api.impl;
+
+import org.jetbrains.annotations.Nullable;
+
+import jadx.api.ICodeCache;
+import jadx.api.ICodeInfo;
+
+public class NoOpCodeCache implements ICodeCache {
+
+	@Override
+	public void add(String clsFullName, ICodeInfo codeInfo) {
+		// do nothing
+	}
+
+	@Override
+	public @Nullable ICodeInfo get(String clsFullName) {
+		return null;
+	}
+}

jadx-core/src/main/java/jadx/core/Consts.java

@@ -21,4 +21,7 @@ public class Consts {
 	public static final String ANONYMOUS_CLASS_PREFIX = "AnonymousClass";
 
 	public static final String MTH_TOSTRING_SIGNATURE = "toString()Ljava/lang/String;";
+
+	private Consts() {
+	}
 }

jadx-core/src/main/java/jadx/core/Jadx.java

@@ -1,39 +1,6 @@
 package jadx.core;
 
-import jadx.api.IJadxArgs;
-import jadx.core.dex.visitors.ClassModifier;
-import jadx.core.dex.visitors.CodeShrinker;
-import jadx.core.dex.visitors.ConstInlineVisitor;
-import jadx.core.dex.visitors.DebugInfoVisitor;
-import jadx.core.dex.visitors.DependencyCollector;
-import jadx.core.dex.visitors.DotGraphVisitor;
-import jadx.core.dex.visitors.EnumVisitor;
-import jadx.core.dex.visitors.FallbackModeVisitor;
-import jadx.core.dex.visitors.IDexTreeVisitor;
-import jadx.core.dex.visitors.MethodInlineVisitor;
-import jadx.core.dex.visitors.ModVisitor;
-import jadx.core.dex.visitors.PrepareForCodeGen;
-import jadx.core.dex.visitors.ReSugarCode;
-import jadx.core.dex.visitors.RenameVisitor;
-import jadx.core.dex.visitors.SimplifyVisitor;
-import jadx.core.dex.visitors.blocksmaker.BlockExceptionHandler;
-import jadx.core.dex.visitors.blocksmaker.BlockFinallyExtract;
-import jadx.core.dex.visitors.blocksmaker.BlockFinish;
-import jadx.core.dex.visitors.blocksmaker.BlockProcessor;
-import jadx.core.dex.visitors.blocksmaker.BlockSplitter;
-import jadx.core.dex.visitors.regions.CheckRegions;
-import jadx.core.dex.visitors.regions.IfRegionVisitor;
-import jadx.core.dex.visitors.regions.LoopRegionVisitor;
-import jadx.core.dex.visitors.regions.ProcessVariables;
-import jadx.core.dex.visitors.regions.RegionMakerVisitor;
-import jadx.core.dex.visitors.regions.ReturnVisitor;
-import jadx.core.dex.visitors.ssa.EliminatePhiNodes;
-import jadx.core.dex.visitors.ssa.SSATransform;
-import jadx.core.dex.visitors.typeinference.FinishTypeInference;
-import jadx.core.dex.visitors.typeinference.TypeInference;
-import jadx.core.utils.Utils;
-
-import java.io.File;
+import java.io.InputStream;
 import java.net.URL;
 import java.util.ArrayList;
 import java.util.Enumeration;
@@ -43,71 +10,116 @@ import java.util.jar.Manifest;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import jadx.api.JadxArgs;
+import jadx.core.dex.visitors.ClassModifier;
+import jadx.core.dex.visitors.ConstInlineVisitor;
+import jadx.core.dex.visitors.ConstructorVisitor;
+import jadx.core.dex.visitors.DeboxingVisitor;
+import jadx.core.dex.visitors.DependencyCollector;
+import jadx.core.dex.visitors.DotGraphVisitor;
+import jadx.core.dex.visitors.EnumVisitor;
+import jadx.core.dex.visitors.ExtractFieldInit;
+import jadx.core.dex.visitors.FallbackModeVisitor;
+import jadx.core.dex.visitors.FixAccessModifiers;
+import jadx.core.dex.visitors.IDexTreeVisitor;
+import jadx.core.dex.visitors.InitCodeVariables;
+import jadx.core.dex.visitors.MarkFinallyVisitor;
+import jadx.core.dex.visitors.MethodInlineVisitor;
+import jadx.core.dex.visitors.ModVisitor;
+import jadx.core.dex.visitors.PrepareForCodeGen;
+import jadx.core.dex.visitors.ProcessAnonymous;
+import jadx.core.dex.visitors.ReSugarCode;
+import jadx.core.dex.visitors.RenameVisitor;
+import jadx.core.dex.visitors.SimplifyVisitor;
+import jadx.core.dex.visitors.blocksmaker.BlockExceptionHandler;
+import jadx.core.dex.visitors.blocksmaker.BlockFinish;
+import jadx.core.dex.visitors.blocksmaker.BlockProcessor;
+import jadx.core.dex.visitors.blocksmaker.BlockSplitter;
+import jadx.core.dex.visitors.debuginfo.DebugInfoApplyVisitor;
+import jadx.core.dex.visitors.debuginfo.DebugInfoParseVisitor;
+import jadx.core.dex.visitors.regions.CheckRegions;
+import jadx.core.dex.visitors.regions.CleanRegions;
+import jadx.core.dex.visitors.regions.IfRegionVisitor;
+import jadx.core.dex.visitors.regions.LoopRegionVisitor;
+import jadx.core.dex.visitors.regions.RegionMakerVisitor;
+import jadx.core.dex.visitors.regions.ReturnVisitor;
+import jadx.core.dex.visitors.regions.variables.ProcessVariables;
+import jadx.core.dex.visitors.shrink.CodeShrinkVisitor;
+import jadx.core.dex.visitors.ssa.SSATransform;
+import jadx.core.dex.visitors.typeinference.TypeInferenceVisitor;
+
 public class Jadx {
 	private static final Logger LOG = LoggerFactory.getLogger(Jadx.class);
 
+	private Jadx() {
+	}
+
 	static {
 		if (Consts.DEBUG) {
 			LOG.info("debug enabled");
 		}
-		if (Jadx.class.desiredAssertionStatus()) {
-			LOG.info("assertions enabled");
-		}
 	}
 
-	public static List<IDexTreeVisitor> getPassesList(IJadxArgs args, File outDir) {
-		List<IDexTreeVisitor> passes = new ArrayList<IDexTreeVisitor>();
+	public static List<IDexTreeVisitor> getPassesList(JadxArgs args) {
+		List<IDexTreeVisitor> passes = new ArrayList<>();
 		if (args.isFallbackMode()) {
 			passes.add(new FallbackModeVisitor());
 		} else {
+			if (args.isDebugInfo()) {
+				passes.add(new DebugInfoParseVisitor());
+			}
+
 			passes.add(new BlockSplitter());
+			if (args.isRawCFGOutput()) {
+				passes.add(DotGraphVisitor.dumpRaw());
+			}
+
 			passes.add(new BlockProcessor());
 			passes.add(new BlockExceptionHandler());
-			passes.add(new BlockFinallyExtract());
 			passes.add(new BlockFinish());
 
 			passes.add(new SSATransform());
-			passes.add(new DebugInfoVisitor());
-			passes.add(new TypeInference());
-
-			if (args.isRawCFGOutput()) {
-				passes.add(DotGraphVisitor.dumpRaw(outDir));
+			passes.add(new ConstructorVisitor());
+			passes.add(new InitCodeVariables());
+			passes.add(new MarkFinallyVisitor());
+			passes.add(new ConstInlineVisitor());
+			passes.add(new TypeInferenceVisitor());
+			if (args.isDebugInfo()) {
+				passes.add(new DebugInfoApplyVisitor());
 			}
 
-			passes.add(new ConstInlineVisitor());
-			passes.add(new FinishTypeInference());
-			passes.add(new EliminatePhiNodes());
-
+			passes.add(new DeboxingVisitor());
 			passes.add(new ModVisitor());
-
-			passes.add(new CodeShrinker());
+			passes.add(new CodeShrinkVisitor());
 			passes.add(new ReSugarCode());
-
-			if (args.isCFGOutput()) {
-				passes.add(DotGraphVisitor.dump(outDir));
+			if (args.isCfgOutput()) {
+				passes.add(DotGraphVisitor.dump());
 			}
 
 			passes.add(new RegionMakerVisitor());
 			passes.add(new IfRegionVisitor());
 			passes.add(new ReturnVisitor());
+			passes.add(new CleanRegions());
 
-			passes.add(new CodeShrinker());
+			passes.add(new CodeShrinkVisitor());
 			passes.add(new SimplifyVisitor());
 			passes.add(new CheckRegions());
 
-			if (args.isCFGOutput()) {
-				passes.add(DotGraphVisitor.dumpRegions(outDir));
+			passes.add(new ExtractFieldInit());
+			passes.add(new FixAccessModifiers());
+			passes.add(new ProcessAnonymous());
+			passes.add(new ClassModifier());
+			passes.add(new MethodInlineVisitor());
+			passes.add(new EnumVisitor());
+			passes.add(new LoopRegionVisitor());
+
+			passes.add(new ProcessVariables());
+			passes.add(new PrepareForCodeGen());
+			if (args.isCfgOutput()) {
+				passes.add(DotGraphVisitor.dumpRegions());
 			}
 
-			passes.add(new MethodInlineVisitor());
-			passes.add(new ClassModifier());
-			passes.add(new EnumVisitor());
-			passes.add(new PrepareForCodeGen());
-			passes.add(new LoopRegionVisitor());
-			passes.add(new ProcessVariables());
-
 			passes.add(new DependencyCollector());
-
 			passes.add(new RenameVisitor());
 		}
 		return passes;
@@ -115,14 +127,16 @@ public class Jadx {
 
 	public static String getVersion() {
 		try {
-			ClassLoader classLoader = Utils.class.getClassLoader();
+			ClassLoader classLoader = Jadx.class.getClassLoader();
 			if (classLoader != null) {
 				Enumeration<URL> resources = classLoader.getResources("META-INF/MANIFEST.MF");
 				while (resources.hasMoreElements()) {
-					Manifest manifest = new Manifest(resources.nextElement().openStream());
-					String ver = manifest.getMainAttributes().getValue("jadx-version");
-					if (ver != null) {
-						return ver;
+					try (InputStream is = resources.nextElement().openStream()) {
+						Manifest manifest = new Manifest(is);
+						String ver = manifest.getMainAttributes().getValue("jadx-version");
+						if (ver != null) {
+							return ver;
+						}
 					}
 				}
 			}

jadx-core/src/main/java/jadx/core/ProcessClass.java

@@ -1,62 +1,68 @@
 package jadx.core;
 
+import org.jetbrains.annotations.NotNull;
+
+import jadx.api.ICodeInfo;
 import jadx.core.codegen.CodeGen;
 import jadx.core.dex.nodes.ClassNode;
 import jadx.core.dex.visitors.DepthTraversal;
 import jadx.core.dex.visitors.IDexTreeVisitor;
 import jadx.core.utils.ErrorsCounter;
+import jadx.core.utils.exceptions.JadxRuntimeException;
 
-import java.util.List;
-
-import org.jetbrains.annotations.Nullable;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import static jadx.core.dex.nodes.ProcessState.GENERATED;
+import static jadx.core.dex.nodes.ProcessState.LOADED;
 import static jadx.core.dex.nodes.ProcessState.NOT_LOADED;
-import static jadx.core.dex.nodes.ProcessState.PROCESSED;
-import static jadx.core.dex.nodes.ProcessState.STARTED;
-import static jadx.core.dex.nodes.ProcessState.UNLOADED;
+import static jadx.core.dex.nodes.ProcessState.PROCESS_COMPLETE;
+import static jadx.core.dex.nodes.ProcessState.PROCESS_STARTED;
 
 public final class ProcessClass {
-	private static final Logger LOG = LoggerFactory.getLogger(ProcessClass.class);
 
 	private ProcessClass() {
 	}
 
-	public static void process(ClassNode cls, List<IDexTreeVisitor> passes, @Nullable CodeGen codeGen) {
-		if (codeGen == null && cls.getState() == PROCESSED) {
+	public static void process(ClassNode cls) {
+		ClassNode topParentClass = cls.getTopParentClass();
+		if (topParentClass != cls) {
+			process(topParentClass);
 			return;
 		}
-		synchronized (cls) {
+		if (cls.getState().isProcessed()) {
+			// nothing to do
+			return;
+		}
+		synchronized (cls.getClassInfo()) {
 			try {
 				if (cls.getState() == NOT_LOADED) {
 					cls.load();
-					cls.setState(STARTED);
-					for (IDexTreeVisitor visitor : passes) {
+				}
+				if (cls.getState() == LOADED) {
+					cls.setState(PROCESS_STARTED);
+					for (IDexTreeVisitor visitor : cls.root().getPasses()) {
 						DepthTraversal.visit(visitor, cls);
 					}
-					cls.setState(PROCESSED);
+					cls.setState(PROCESS_COMPLETE);
 				}
-				if (cls.getState() == PROCESSED && codeGen != null) {
-					processDependencies(cls, passes);
-					codeGen.visit(cls);
-					cls.setState(GENERATED);
-				}
-			} catch (Exception e) {
+			} catch (Throwable e) {
 				ErrorsCounter.classError(cls, e.getClass().getSimpleName(), e);
-			} finally {
-				if (cls.getState() == GENERATED) {
-					cls.unload();
-					cls.setState(UNLOADED);
-				}
 			}
 		}
 	}
 
-	static void processDependencies(ClassNode cls, List<IDexTreeVisitor> passes) {
-		for (ClassNode depCls : cls.getDependencies()) {
-			process(depCls, passes, null);
+	@NotNull
+	public static ICodeInfo generateCode(ClassNode cls) {
+		ClassNode topParentClass = cls.getTopParentClass();
+		if (topParentClass != cls) {
+			return generateCode(topParentClass);
+		}
+		try {
+			process(cls);
+			cls.getDependencies().forEach(ProcessClass::process);
+
+			ICodeInfo code = CodeGen.generate(cls);
+			cls.unload();
+			return code;
+		} catch (Throwable e) {
+			throw new JadxRuntimeException("Failed to generate code for class: " + cls.getFullName(), e);
 		}
 	}
 }

jadx-core/src/main/java/jadx/core/clsp/ClsSet.java

@@ -1,22 +1,18 @@
 package jadx.core.clsp;
 
-import jadx.core.dex.instructions.args.ArgType;
-import jadx.core.dex.nodes.ClassNode;
-import jadx.core.dex.nodes.RootNode;
-import jadx.core.utils.exceptions.DecodeException;
-import jadx.core.utils.exceptions.JadxRuntimeException;
-import jadx.core.utils.files.FileUtils;
-
 import java.io.BufferedOutputStream;
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.File;
 import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardCopyOption;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -27,6 +23,17 @@ import java.util.zip.ZipOutputStream;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import jadx.core.dex.info.AccessInfo;
+import jadx.core.dex.instructions.args.ArgType;
+import jadx.core.dex.nodes.ClassNode;
+import jadx.core.dex.nodes.GenericInfo;
+import jadx.core.dex.nodes.MethodNode;
+import jadx.core.dex.nodes.RootNode;
+import jadx.core.utils.exceptions.DecodeException;
+import jadx.core.utils.exceptions.JadxRuntimeException;
+import jadx.core.utils.files.FileUtils;
+import jadx.core.utils.files.ZipSecurity;
+
 /**
  * Classes list for import into classpath graph
  */
@@ -38,24 +45,42 @@ public class ClsSet {
 	private static final String CLST_PKG_PATH = ClsSet.class.getPackage().getName().replace('.', '/');
 
 	private static final String JADX_CLS_SET_HEADER = "jadx-cst";
-	private static final int VERSION = 1;
+	private static final int VERSION = 2;
 
 	private static final String STRING_CHARSET = "US-ASCII";
 
+	private static final NClass[] EMPTY_NCLASS_ARRAY = new NClass[0];
+
+	private enum TypeEnum {
+		WILDCARD, GENERIC, GENERIC_TYPE, OBJECT, ARRAY, PRIMITIVE
+	}
+
 	private NClass[] classes;
 
-	public void load(RootNode root) {
+	public void loadFromClstFile() throws IOException, DecodeException {
+		try (InputStream input = getClass().getResourceAsStream(CLST_FILENAME)) {
+			if (input == null) {
+				throw new JadxRuntimeException("Can't load classpath file: " + CLST_FILENAME);
+			}
+			load(input);
+		}
+	}
+
+	public void loadFrom(RootNode root) {
 		List<ClassNode> list = root.getClasses(true);
-		Map<String, NClass> names = new HashMap<String, NClass>(list.size());
+		Map<String, NClass> names = new HashMap<>(list.size());
 		int k = 0;
 		for (ClassNode cls : list) {
 			String clsRawName = cls.getRawName();
 			if (cls.getAccessFlags().isPublic()) {
+				cls.load();
 				NClass nClass = new NClass(clsRawName, k);
 				if (names.put(clsRawName, nClass) != null) {
 					throw new JadxRuntimeException("Duplicate class: " + clsRawName);
 				}
 				k++;
+				nClass.setGenerics(cls.getGenerics());
+				nClass.setMethods(getMethodsDetails(cls));
 			} else {
 				names.put(clsRawName, null);
 			}
@@ -75,8 +100,46 @@ public class ClsSet {
 		}
 	}
 
+	private List<NMethod> getMethodsDetails(ClassNode cls) {
+		List<NMethod> methods = new ArrayList<>();
+		for (MethodNode m : cls.getMethods()) {
+			AccessInfo accessFlags = m.getAccessFlags();
+			if (accessFlags.isPublic() || accessFlags.isProtected()) {
+				processMethodDetails(methods, m, accessFlags);
+			}
+		}
+		return methods;
+	}
+
+	private void processMethodDetails(List<NMethod> methods, MethodNode mth, AccessInfo accessFlags) {
+		List<ArgType> args = mth.getArgTypes();
+		boolean genericArg = false;
+		ArgType[] genericArgs;
+		if (args.isEmpty()) {
+			genericArgs = null;
+		} else {
+			int argsCount = args.size();
+			genericArgs = new ArgType[argsCount];
+			for (int i = 0; i < argsCount; i++) {
+				ArgType argType = args.get(i);
+				if (argType.isGeneric() || argType.isGenericType()) {
+					genericArgs[i] = argType;
+					genericArg = true;
+				}
+			}
+		}
+		ArgType retType = mth.getReturnType();
+		if (!retType.isGeneric() && !retType.isGenericType()) {
+			retType = null;
+		}
+		boolean varArgs = accessFlags.isVarArgs();
+		if (genericArg || retType != null || varArgs) {
+			methods.add(new NMethod(mth.getMethodInfo().getShortId(), genericArgs, retType, varArgs));
+		}
+	}
+
 	public static NClass[] makeParentsArray(ClassNode cls, Map<String, NClass> names) {
-		List<NClass> parents = new ArrayList<NClass>(1 + cls.getInterfaces().size());
+		List<NClass> parents = new ArrayList<>(1 + cls.getInterfaces().size());
 		ArgType superClass = cls.getSuperClass();
 		if (superClass != null) {
 			NClass c = getCls(superClass.getObject(), names);
@@ -90,106 +153,184 @@ public class ClsSet {
 				parents.add(c);
 			}
 		}
-		return parents.toArray(new NClass[parents.size()]);
+		int size = parents.size();
+		if (size == 0) {
+			return EMPTY_NCLASS_ARRAY;
+		}
+		return parents.toArray(new NClass[size]);
 	}
 
 	private static NClass getCls(String fullName, Map<String, NClass> names) {
-		NClass id = names.get(fullName);
-		if (id == null && !names.containsKey(fullName)) {
+		NClass cls = names.get(fullName);
+		if (cls == null) {
 			LOG.debug("Class not found: {}", fullName);
 		}
-		return id;
+		return cls;
 	}
 
-	void save(File output) throws IOException {
-		FileUtils.makeDirsForFile(output);
-
-		BufferedOutputStream outputStream = new BufferedOutputStream(new FileOutputStream(output));
-		try {
-			String outputName = output.getName();
-			if (outputName.endsWith(CLST_EXTENSION)) {
+	void save(Path path) throws IOException {
+		FileUtils.makeDirsForFile(path);
+		String outputName = path.getFileName().toString();
+		if (outputName.endsWith(CLST_EXTENSION)) {
+			try (BufferedOutputStream outputStream = new BufferedOutputStream(Files.newOutputStream(path))) {
 				save(outputStream);
-			} else if (outputName.endsWith(".jar")) {
-				ZipOutputStream out = new ZipOutputStream(outputStream);
-				try {
-					out.putNextEntry(new ZipEntry(CLST_PKG_PATH + "/" + CLST_FILENAME));
-					save(out);
-				} finally {
-					out.close();
-				}
-			} else {
-				throw new JadxRuntimeException("Unknown file format: " + outputName);
 			}
-		} finally {
-			outputStream.close();
+		} else if (outputName.endsWith(".jar")) {
+			Path temp = FileUtils.createTempFile(".zip");
+			Files.copy(path, temp, StandardCopyOption.REPLACE_EXISTING);
+
+			try (ZipOutputStream out = new ZipOutputStream(Files.newOutputStream(path));
+					ZipInputStream in = new ZipInputStream(Files.newInputStream(temp))) {
+				String clst = CLST_PKG_PATH + '/' + CLST_FILENAME;
+				out.putNextEntry(new ZipEntry(clst));
+				save(out);
+				ZipEntry entry = in.getNextEntry();
+				while (entry != null) {
+					if (!entry.getName().equals(clst)) {
+						out.putNextEntry(new ZipEntry(entry.getName()));
+						FileUtils.copyStream(in, out);
+					}
+					entry = in.getNextEntry();
+				}
+			}
+		} else {
+			throw new JadxRuntimeException("Unknown file format: " + outputName);
 		}
 	}
 
 	public void save(OutputStream output) throws IOException {
 		DataOutputStream out = new DataOutputStream(output);
-		try {
-			out.writeBytes(JADX_CLS_SET_HEADER);
-			out.writeByte(VERSION);
+		out.writeBytes(JADX_CLS_SET_HEADER);
+		out.writeByte(VERSION);
 
-			LOG.info("Classes count: {}", classes.length);
-			out.writeInt(classes.length);
-			for (NClass cls : classes) {
-				writeString(out, cls.getName());
+		LOG.info("Classes count: {}", classes.length);
+		Map<String, NClass> names = new HashMap<>(classes.length);
+		out.writeInt(classes.length);
+		for (NClass cls : classes) {
+			writeString(out, cls.getName());
+			names.put(cls.getName(), cls);
+		}
+		for (NClass cls : classes) {
+			NClass[] parents = cls.getParents();
+			out.writeByte(parents.length);
+			for (NClass parent : parents) {
+				out.writeInt(parent.getId());
 			}
-			for (NClass cls : classes) {
-				NClass[] parents = cls.getParents();
-				out.writeByte(parents.length);
-				for (NClass parent : parents) {
-					out.writeInt(parent.getId());
+			writeGenerics(out, cls, names);
+			List<NMethod> methods = cls.getMethodsList();
+			out.writeByte(methods.size());
+			for (NMethod method : methods) {
+				writeMethod(out, method, names);
+			}
+		}
+	}
+
+	private static void writeGenerics(DataOutputStream out, NClass cls, Map<String, NClass> names) throws IOException {
+		List<GenericInfo> genericsList = cls.getGenerics();
+		out.writeByte(genericsList.size());
+		for (GenericInfo genericInfo : genericsList) {
+			writeArgType(out, genericInfo.getGenericType(), names);
+			List<ArgType> extendsList = genericInfo.getExtendsList();
+			out.writeByte(extendsList.size());
+			for (ArgType type : extendsList) {
+				writeArgType(out, type, names);
+			}
+
+		}
+	}
+
+	private static void writeMethod(DataOutputStream out, NMethod method, Map<String, NClass> names) throws IOException {
+		writeLongString(out, method.getShortId());
+
+		ArgType[] argTypes = method.getGenericArgs();
+		if (argTypes == null) {
+			out.writeByte(0);
+		} else {
+			int argCount = 0;
+			for (ArgType arg : argTypes) {
+				if (arg != null) {
+					argCount++;
 				}
 			}
-		} finally {
-			out.close();
+			out.writeByte(argCount);
+			// last argument first
+			for (int i = argTypes.length - 1; i >= 0; i--) {
+				ArgType argType = argTypes[i];
+				if (argType != null) {
+					out.writeByte(i);
+					writeArgType(out, argType, names);
+				}
+			}
+		}
+		if (method.getReturnType() == null) {
+			out.writeBoolean(false);
+		} else {
+			out.writeBoolean(true);
+			writeArgType(out, method.getReturnType(), names);
+		}
+		out.writeBoolean(method.isVarArgs());
+	}
+
+	private static void writeArgType(DataOutputStream out, ArgType argType, Map<String, NClass> names) throws IOException {
+		if (argType.getWildcardType() != null) {
+			out.writeByte(TypeEnum.WILDCARD.ordinal());
+			ArgType.WildcardBound bound = argType.getWildcardBound();
+			out.writeByte(bound.getNum());
+			if (bound != ArgType.WildcardBound.UNBOUND) {
+				writeArgType(out, argType.getWildcardType(), names);
+			}
+		} else if (argType.isGeneric()) {
+			out.writeByte(TypeEnum.GENERIC.ordinal());
+			out.writeInt(names.get(argType.getObject()).getId());
+			ArgType[] types = argType.getGenericTypes();
+			if (types == null) {
+				out.writeByte(0);
+			} else {
+				out.writeByte(types.length);
+				for (ArgType type : types) {
+					writeArgType(out, type, names);
+				}
+			}
+		} else if (argType.isGenericType()) {
+			out.writeByte(TypeEnum.GENERIC_TYPE.ordinal());
+			writeString(out, argType.getObject());
+		} else if (argType.isObject()) {
+			out.writeByte(TypeEnum.OBJECT.ordinal());
+			out.writeInt(names.get(argType.getObject()).getId());
+		} else if (argType.isArray()) {
+			out.writeByte(TypeEnum.ARRAY.ordinal());
+			writeArgType(out, argType.getArrayElement(), names);
+		} else if (argType.isPrimitive()) {
+			out.writeByte(TypeEnum.PRIMITIVE.ordinal());
+			out.writeByte(argType.getPrimitiveType().getShortName().charAt(0));
+		} else {
+			throw new JadxRuntimeException("Cannot save type: " + argType);
 		}
 	}
 
-	public void load() throws IOException, DecodeException {
-		InputStream input = getClass().getResourceAsStream(CLST_FILENAME);
-		if (input == null) {
-			throw new JadxRuntimeException("Can't load classpath file: " + CLST_FILENAME);
-		}
-		try {
-			load(input);
-		} finally {
-			input.close();
-		}
-	}
-
-	public void load(File input) throws IOException, DecodeException {
+	private void load(File input) throws IOException, DecodeException {
 		String name = input.getName();
-		InputStream inputStream = new FileInputStream(input);
-		try {
+		try (InputStream inputStream = new FileInputStream(input)) {
 			if (name.endsWith(CLST_EXTENSION)) {
 				load(inputStream);
 			} else if (name.endsWith(".jar")) {
-				ZipInputStream in = new ZipInputStream(inputStream);
-				try {
+				try (ZipInputStream in = new ZipInputStream(inputStream)) {
 					ZipEntry entry = in.getNextEntry();
 					while (entry != null) {
-						if (entry.getName().endsWith(CLST_EXTENSION)) {
+						if (entry.getName().endsWith(CLST_EXTENSION) && ZipSecurity.isValidZipEntry(entry)) {
 							load(in);
 						}
 						entry = in.getNextEntry();
 					}
-				} finally {
-					in.close();
 				}
 			} else {
 				throw new JadxRuntimeException("Unknown file format: " + name);
 			}
-		} finally {
-			inputStream.close();
 		}
 	}
 
-	public void load(InputStream input) throws IOException, DecodeException {
-		DataInputStream in = new DataInputStream(input);
-		try {
+	private void load(InputStream input) throws IOException, DecodeException {
+		try (DataInputStream in = new DataInputStream(input)) {
 			byte[] header = new byte[JADX_CLS_SET_HEADER.length()];
 			int readHeaderLength = in.read(header);
 			int version = in.readByte();
@@ -210,21 +351,127 @@ public class ClsSet {
 				for (int j = 0; j < pCount; j++) {
 					parents[j] = classes[in.readInt()];
 				}
-				classes[i].setParents(parents);
+				NClass nClass = classes[i];
+				nClass.setParents(parents);
+				nClass.setGenerics(readGenerics(in));
+				nClass.setMethods(readClsMethods(in));
 			}
-		} finally {
-			in.close();
 		}
 	}
 
-	private void writeString(DataOutputStream out, String name) throws IOException {
+	private List<GenericInfo> readGenerics(DataInputStream in) throws IOException {
+		int count = in.readByte();
+		if (count == 0) {
+			return Collections.emptyList();
+		}
+		List<GenericInfo> list = new ArrayList<>(count);
+		for (int i = 0; i < count; i++) {
+			ArgType genericType = readArgType(in);
+			List<ArgType> extendsList;
+			byte extCount = in.readByte();
+			if (extCount == 0) {
+				extendsList = Collections.emptyList();
+			} else {
+				extendsList = new ArrayList<>(extCount);
+				for (int j = 0; j < extCount; j++) {
+					extendsList.add(readArgType(in));
+				}
+			}
+			list.add(new GenericInfo(genericType, extendsList));
+		}
+		return list;
+	}
+
+	private List<NMethod> readClsMethods(DataInputStream in) throws IOException {
+		int mCount = in.readByte();
+		List<NMethod> methods = new ArrayList<>(mCount);
+		for (int j = 0; j < mCount; j++) {
+			methods.add(readMethod(in));
+		}
+		return methods;
+	}
+
+	private NMethod readMethod(DataInputStream in) throws IOException {
+		String shortId = readLongString(in);
+		int argCount = in.readByte();
+		ArgType[] argTypes = null;
+		for (int i = 0; i < argCount; i++) {
+			int index = in.readByte();
+			ArgType argType = readArgType(in);
+			if (argTypes == null) {
+				argTypes = new ArgType[index + 1];
+			}
+			argTypes[index] = argType;
+		}
+		ArgType retType = in.readBoolean() ? readArgType(in) : null;
+		boolean varArgs = in.readBoolean();
+		return new NMethod(shortId, argTypes, retType, varArgs);
+	}
+
+	private ArgType readArgType(DataInputStream in) throws IOException {
+		int ordinal = in.readByte();
+		switch (TypeEnum.values()[ordinal]) {
+			case WILDCARD:
+				int bounds = in.readByte();
+				return bounds == 0
+						? ArgType.wildcard()
+						: ArgType.wildcard(readArgType(in), ArgType.WildcardBound.getByNum(bounds));
+
+			case GENERIC:
+				String obj = classes[in.readInt()].getName();
+				int typeLength = in.readByte();
+				ArgType[] generics;
+				if (typeLength == 0) {
+					generics = null;
+				} else {
+					generics = new ArgType[typeLength];
+					for (int i = 0; i < typeLength; i++) {
+						generics[i] = readArgType(in);
+					}
+				}
+				return ArgType.generic(obj, generics);
+
+			case GENERIC_TYPE:
+				return ArgType.genericType(readString(in));
+
+			case OBJECT:
+				return ArgType.object(classes[in.readInt()].getName());
+
+			case ARRAY:
+				return ArgType.array(readArgType(in));
+
+			case PRIMITIVE:
+				char shortName = (char) in.readByte();
+				return ArgType.parse(shortName);
+
+			default:
+				throw new JadxRuntimeException("Unsupported Arg Type: " + ordinal);
+		}
+	}
+
+	private static void writeString(DataOutputStream out, String name) throws IOException {
 		byte[] bytes = name.getBytes(STRING_CHARSET);
 		out.writeByte(bytes.length);
 		out.write(bytes);
 	}
 
+	private static void writeLongString(DataOutputStream out, String name) throws IOException {
+		byte[] bytes = name.getBytes(STRING_CHARSET);
+		out.writeShort(bytes.length);
+		out.write(bytes);
+	}
+
 	private static String readString(DataInputStream in) throws IOException {
 		int len = in.readByte();
+		return readString(in, len);
+	}
+
+	private static String readLongString(DataInputStream in) throws IOException {
+		int len = in.readShort();
+		return readString(in, len);
+	}
+
+	private static String readString(DataInputStream in, int len) throws IOException {
 		byte[] bytes = new byte[len];
 		int count = in.read(bytes);
 		while (count != len) {

jadx-core/src/main/java/jadx/core/clsp/ClspGraph.java

@@ -1,10 +1,7 @@
 package jadx.core.clsp;
 
-import jadx.core.dex.nodes.ClassNode;
-import jadx.core.utils.exceptions.DecodeException;
-import jadx.core.utils.exceptions.JadxRuntimeException;
-
 import java.io.IOException;
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
@@ -13,27 +10,36 @@ import java.util.Map;
 import java.util.Set;
 import java.util.WeakHashMap;
 
+import org.jetbrains.annotations.Nullable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import jadx.core.dex.info.MethodInfo;
+import jadx.core.dex.instructions.args.ArgType;
+import jadx.core.dex.nodes.ClassNode;
+import jadx.core.utils.exceptions.DecodeException;
+import jadx.core.utils.exceptions.JadxRuntimeException;
+
 /**
- * Classes hierarchy graph
+ * Classes hierarchy graph with methods additional info
  */
 public class ClspGraph {
 	private static final Logger LOG = LoggerFactory.getLogger(ClspGraph.class);
 
-	private final Map<String, Set<String>> ancestorCache = new WeakHashMap<String, Set<String>>();
+	private final Map<String, Set<String>> ancestorCache = Collections.synchronizedMap(new WeakHashMap<>());
 	private Map<String, NClass> nameMap;
 
+	private final Set<String> missingClasses = new HashSet<>();
+
 	public void load() throws IOException, DecodeException {
 		ClsSet set = new ClsSet();
-		set.load();
+		set.loadFromClstFile();
 		addClasspath(set);
 	}
 
 	public void addClasspath(ClsSet set) {
 		if (nameMap == null) {
-			nameMap = new HashMap<String, NClass>(set.getClassesCount());
+			nameMap = new HashMap<>(set.getClassesCount());
 			set.addToMap(nameMap);
 		} else {
 			throw new JadxRuntimeException("Classpath already loaded");
@@ -55,6 +61,23 @@ public class ClspGraph {
 		}
 	}
 
+	public boolean isClsKnown(String fullName) {
+		return nameMap.containsKey(fullName);
+	}
+
+	public NClass getClsDetails(ArgType type) {
+		return nameMap.get(type.getObject());
+	}
+
+	@Nullable
+	public NMethod getMethodDetails(MethodInfo methodInfo) {
+		NClass cls = nameMap.get(methodInfo.getDeclClass().getRawName());
+		if (cls == null) {
+			return null;
+		}
+		return cls.getMethodsMap().get(methodInfo.getShortId());
+	}
+
 	private NClass addClass(ClassNode cls) {
 		String rawName = cls.getRawName();
 		NClass nClass = new NClass(rawName, -1);
@@ -62,18 +85,31 @@ public class ClspGraph {
 		return nClass;
 	}
 
+	/**
+	 * @return {@code clsName} instanceof {@code implClsName}
+	 */
 	public boolean isImplements(String clsName, String implClsName) {
 		Set<String> anc = getAncestors(clsName);
 		return anc.contains(implClsName);
 	}
 
+	public List<String> getImplementations(String clsName) {
+		List<String> list = new ArrayList<>();
+		for (String cls : nameMap.keySet()) {
+			if (isImplements(cls, clsName)) {
+				list.add(cls);
+			}
+		}
+		return list;
+	}
+
 	public String getCommonAncestor(String clsName, String implClsName) {
 		if (clsName.equals(implClsName)) {
 			return clsName;
 		}
 		NClass cls = nameMap.get(implClsName);
 		if (cls == null) {
-			LOG.debug("Missing class: {}", implClsName);
+			missingClasses.add(clsName);
 			return null;
 		}
 		if (isImplements(clsName, implClsName)) {
@@ -97,17 +133,17 @@ public class ClspGraph {
 		return null;
 	}
 
-	private Set<String> getAncestors(String clsName) {
+	public Set<String> getAncestors(String clsName) {
 		Set<String> result = ancestorCache.get(clsName);
 		if (result != null) {
 			return result;
 		}
 		NClass cls = nameMap.get(clsName);
 		if (cls == null) {
-			LOG.debug("Missing class: {}", clsName);
+			missingClasses.add(clsName);
 			return Collections.emptySet();
 		}
-		result = new HashSet<String>();
+		result = new HashSet<>();
 		addAncestorsNames(cls, result);
 		if (result.isEmpty()) {
 			result = Collections.emptySet();
@@ -117,9 +153,26 @@ public class ClspGraph {
 	}
 
 	private void addAncestorsNames(NClass cls, Set<String> result) {
-		result.add(cls.getName());
-		for (NClass p : cls.getParents()) {
-			addAncestorsNames(p, result);
+		boolean isNew = result.add(cls.getName());
+		if (isNew) {
+			for (NClass p : cls.getParents()) {
+				addAncestorsNames(p, result);
+			}
+		}
+	}
+
+	public void printMissingClasses() {
+		int count = missingClasses.size();
+		if (count == 0) {
+			return;
+		}
+		LOG.warn("Found {} references to unknown classes", count);
+		if (LOG.isDebugEnabled()) {
+			List<String> clsNames = new ArrayList<>(missingClasses);
+			Collections.sort(clsNames);
+			for (String cls : clsNames) {
+				LOG.debug("  {}", cls);
+			}
 		}
 	}
 }

jadx-core/src/main/java/jadx/core/clsp/ConvertToClsSet.java

@@ -1,18 +1,20 @@
 package jadx.core.clsp;
 
-import jadx.api.DefaultJadxArgs;
-import jadx.core.dex.nodes.RootNode;
-import jadx.core.utils.exceptions.DecodeException;
-import jadx.core.utils.files.InputFile;
-
 import java.io.File;
 import java.io.IOException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.List;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import jadx.api.JadxArgs;
+import jadx.core.dex.nodes.RootNode;
+import jadx.core.utils.exceptions.DecodeException;
+import jadx.core.utils.files.InputFile;
+
 /**
  * Utility class for convert dex or jar to jadx classes set (.jcst)
  */
@@ -28,33 +30,32 @@ public class ConvertToClsSet {
 			usage();
 			System.exit(1);
 		}
-		File output = new File(args[0]);
+		Path output = Paths.get(args[0]);
 
-		List<InputFile> inputFiles = new ArrayList<InputFile>(args.length - 1);
+		List<InputFile> inputFiles = new ArrayList<>(args.length - 1);
 		for (int i = 1; i < args.length; i++) {
 			File f = new File(args[i]);
 			if (f.isDirectory()) {
 				addFilesFromDirectory(f, inputFiles);
 			} else {
-				inputFiles.add(new InputFile(f));
+				InputFile.addFilesFrom(f, inputFiles, false);
 			}
 		}
 		for (InputFile inputFile : inputFiles) {
 			LOG.info("Loaded: {}", inputFile.getFile());
 		}
 
-		RootNode root = new RootNode(new DefaultJadxArgs());
+		RootNode root = new RootNode(new JadxArgs());
 		root.load(inputFiles);
 
 		ClsSet set = new ClsSet();
-		set.load(root);
+		set.loadFrom(root);
 		set.save(output);
 		LOG.info("Output: {}", output);
 		LOG.info("done");
 	}
 
-	private static void addFilesFromDirectory(File dir,
-			List<InputFile> inputFiles) throws IOException, DecodeException {
+	private static void addFilesFromDirectory(File dir, List<InputFile> inputFiles) {
 		File[] files = dir.listFiles();
 		if (files == null) {
 			return;
@@ -62,14 +63,13 @@ public class ConvertToClsSet {
 		for (File file : files) {
 			if (file.isDirectory()) {
 				addFilesFromDirectory(file, inputFiles);
-			}
-			String fileName = file.getName();
-			if (fileName.endsWith(".dex")
-					|| fileName.endsWith(".jar")
-					|| fileName.endsWith(".apk")) {
-				inputFiles.add(new InputFile(file));
+			} else {
+				try {
+					InputFile.addFilesFrom(file, inputFiles, false);
+				} catch (Exception e) {
+					LOG.warn("Skip file: {}, load error: {}", file, e.getMessage());
+				}
 			}
 		}
 	}
-
 }

jadx-core/src/main/java/jadx/core/clsp/NClass.java

@@ -1,13 +1,24 @@
 package jadx.core.clsp;
 
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+
+import jadx.core.dex.nodes.GenericInfo;
+
 /**
  * Class node in classpath graph
  */
 public class NClass {
 
 	private final String name;
+	private final int id;
 	private NClass[] parents;
-	private int id;
+	private Map<String, NMethod> methodsMap = Collections.emptyMap();
+	private List<GenericInfo> generics = Collections.emptyList();
 
 	public NClass(String name, int id) {
 		this.name = name;
@@ -22,10 +33,6 @@ public class NClass {
 		return id;
 	}
 
-	public void setId(int id) {
-		this.id = id;
-	}
-
 	public NClass[] getParents() {
 		return parents;
 	}
@@ -34,6 +41,37 @@ public class NClass {
 		this.parents = parents;
 	}
 
+	public Map<String, NMethod> getMethodsMap() {
+		return methodsMap;
+	}
+
+	public List<NMethod> getMethodsList() {
+		List<NMethod> list = new ArrayList<>(methodsMap.size());
+		list.addAll(methodsMap.values());
+		Collections.sort(list);
+		return list;
+	}
+
+	public void setMethodsMap(Map<String, NMethod> methodsMap) {
+		this.methodsMap = Objects.requireNonNull(methodsMap);
+	}
+
+	public void setMethods(List<NMethod> methods) {
+		Map<String, NMethod> map = new HashMap<>(methods.size());
+		for (NMethod mth : methods) {
+			map.put(mth.getShortId(), mth);
+		}
+		setMethodsMap(map);
+	}
+
+	public List<GenericInfo> getGenerics() {
+		return generics;
+	}
+
+	public void setGenerics(List<GenericInfo> generics) {
+		this.generics = generics;
+	}
+
 	@Override
 	public int hashCode() {
 		return name.hashCode();

jadx-core/src/main/java/jadx/core/clsp/NMethod.java

@@ -0,0 +1,92 @@
+package jadx.core.clsp;
+
+import java.util.Arrays;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import jadx.core.dex.instructions.args.ArgType;
+
+/**
+ * Generic method node in classpath graph.
+ */
+public class NMethod implements Comparable<NMethod> {
+
+	private final String shortId;
+
+	/**
+	 * Array contains only generic args, others set to 'null', size can be less than total args count
+	 */
+	@Nullable
+	private final ArgType[] genericArgs;
+
+	@Nullable
+	private final ArgType retType;
+
+	private final boolean varArgs;
+
+	public NMethod(String shortId, @Nullable ArgType[] genericArgs, @Nullable ArgType retType, boolean varArgs) {
+		this.shortId = shortId;
+		this.genericArgs = genericArgs;
+		this.retType = retType;
+		this.varArgs = varArgs;
+	}
+
+	public String getShortId() {
+		return shortId;
+	}
+
+	@Nullable
+	public ArgType[] getGenericArgs() {
+		return genericArgs;
+	}
+
+	@Nullable
+	public ArgType getGenericArg(int i) {
+		ArgType[] args = this.genericArgs;
+		if (args != null && i < args.length) {
+			return args[i];
+		}
+		return null;
+	}
+
+	@Nullable
+	public ArgType getReturnType() {
+		return retType;
+	}
+
+	public boolean isVarArgs() {
+		return varArgs;
+	}
+
+	@Override
+	public boolean equals(Object o) {
+		if (this == o) {
+			return true;
+		}
+		if (!(o instanceof NMethod)) {
+			return false;
+		}
+		NMethod other = (NMethod) o;
+		return shortId.equals(other.shortId);
+	}
+
+	@Override
+	public int hashCode() {
+		return shortId.hashCode();
+	}
+
+	@Override
+	public int compareTo(@NotNull NMethod other) {
+		return this.shortId.compareTo(other.shortId);
+	}
+
+	@Override
+	public String toString() {
+		return "NMethod{'" + shortId + '\''
+				+ ", argTypes=" + Arrays.toString(genericArgs)
+				+ ", retType=" + retType
+				+ ", varArgs=" + varArgs
+				+ '}';
+	}
+}

jadx-core/src/main/java/jadx/core/codegen/AnnotationGen.java

@@ -1,5 +1,12 @@
 package jadx.core.codegen;
 
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import org.jetbrains.annotations.Nullable;
+
 import jadx.core.Consts;
 import jadx.core.dex.attributes.AType;
 import jadx.core.dex.attributes.IAttributeNode;
@@ -14,11 +21,6 @@ import jadx.core.dex.nodes.MethodNode;
 import jadx.core.utils.StringUtils;
 import jadx.core.utils.exceptions.JadxRuntimeException;
 
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-
 public class AnnotationGen {
 
 	private final ClassNode cls;
@@ -63,12 +65,7 @@ public class AnnotationGen {
 		}
 		for (Annotation a : aList.getAll()) {
 			String aCls = a.getAnnotationClass();
-			if (aCls.startsWith(Consts.DALVIK_ANNOTATION_PKG)) {
-				// skip
-				if (Consts.DEBUG) {
-					code.startLine("// " + a);
-				}
-			} else {
+			if (!aCls.startsWith(Consts.DALVIK_ANNOTATION_PKG)) {
 				code.startLine();
 				formatAnnotation(code, a);
 			}
@@ -77,34 +74,52 @@ public class AnnotationGen {
 
 	private void formatAnnotation(CodeWriter code, Annotation a) {
 		code.add('@');
-		classGen.useType(code, a.getType());
+		ClassNode annCls = cls.dex().resolveClass(a.getType());
+		if (annCls != null) {
+			classGen.useClass(code, annCls);
+		} else {
+			classGen.useType(code, a.getType());
+		}
+
 		Map<String, Object> vl = a.getValues();
 		if (!vl.isEmpty()) {
 			code.add('(');
-			if (vl.size() == 1 && vl.containsKey("value")) {
-				encodeValue(code, vl.get("value"));
-			} else {
-				for (Iterator<Entry<String, Object>> it = vl.entrySet().iterator(); it.hasNext(); ) {
-					Entry<String, Object> e = it.next();
-					code.add(e.getKey());
+			for (Iterator<Entry<String, Object>> it = vl.entrySet().iterator(); it.hasNext();) {
+				Entry<String, Object> e = it.next();
+				String paramName = getParamName(annCls, e.getKey());
+				if (paramName.equals("value") && vl.size() == 1) {
+					// don't add "value = " if no other parameters
+				} else {
+					code.add(paramName);
 					code.add(" = ");
-					encodeValue(code, e.getValue());
-					if (it.hasNext()) {
-						code.add(", ");
-					}
+				}
+				encodeValue(code, e.getValue());
+				if (it.hasNext()) {
+					code.add(", ");
 				}
 			}
 			code.add(')');
 		}
 	}
 
+	private String getParamName(@Nullable ClassNode annCls, String paramName) {
+		if (annCls != null) {
+			// TODO: save value type and search using signature
+			MethodNode mth = annCls.searchMethodByShortName(paramName);
+			if (mth != null) {
+				return mth.getAlias();
+			}
+		}
+		return paramName;
+	}
+
 	@SuppressWarnings("unchecked")
 	public void addThrows(MethodNode mth, CodeWriter code) {
 		Annotation an = mth.getAnnotation(Consts.DALVIK_THROWS);
 		if (an != null) {
 			Object exs = an.getDefaultValue();
 			code.add(" throws ");
-			for (Iterator<ArgType> it = ((List<ArgType>) exs).iterator(); it.hasNext(); ) {
+			for (Iterator<ArgType> it = ((List<ArgType>) exs).iterator(); it.hasNext();) {
 				ArgType ex = it.next();
 				classGen.useType(code, ex);
 				if (it.hasNext()) {
@@ -130,11 +145,11 @@ public class AnnotationGen {
 			return;
 		}
 		if (val instanceof String) {
-			code.add(StringUtils.unescapeString((String) val));
+			code.add(getStringUtils().unescapeString((String) val));
 		} else if (val instanceof Integer) {
-			code.add(TypeGen.formatInteger((Integer) val));
+			code.add(TypeGen.formatInteger((Integer) val, false));
 		} else if (val instanceof Character) {
-			code.add(StringUtils.unescapeChar((Character) val));
+			code.add(getStringUtils().unescapeChar((Character) val));
 		} else if (val instanceof Boolean) {
 			code.add(Boolean.TRUE.equals(val) ? "true" : "false");
 		} else if (val instanceof Float) {
@@ -142,11 +157,11 @@ public class AnnotationGen {
 		} else if (val instanceof Double) {
 			code.add(TypeGen.formatDouble((Double) val));
 		} else if (val instanceof Long) {
-			code.add(TypeGen.formatLong((Long) val));
+			code.add(TypeGen.formatLong((Long) val, false));
 		} else if (val instanceof Short) {
-			code.add(TypeGen.formatShort((Short) val));
+			code.add(TypeGen.formatShort((Short) val, false));
 		} else if (val instanceof Byte) {
-			code.add(TypeGen.formatByte((Byte) val));
+			code.add(TypeGen.formatByte((Byte) val, false));
 		} else if (val instanceof ArgType) {
 			classGen.useType(code, (ArgType) val);
 			code.add(".class");
@@ -156,7 +171,7 @@ public class AnnotationGen {
 			InsnGen.makeStaticFieldAccess(code, field, classGen);
 		} else if (val instanceof Iterable) {
 			code.add('{');
-			Iterator<?> it = ((Iterable) val).iterator();
+			Iterator<?> it = ((Iterable<?>) val).iterator();
 			while (it.hasNext()) {
 				Object obj = it.next();
 				encodeValue(code, obj);
@@ -169,7 +184,11 @@ public class AnnotationGen {
 			formatAnnotation(code, (Annotation) val);
 		} else {
 			// TODO: also can be method values
-			throw new JadxRuntimeException("Can't decode value: " + val + " (" + val.getClass() + ")");
+			throw new JadxRuntimeException("Can't decode value: " + val + " (" + val.getClass() + ')');
 		}
 	}
+
+	private StringUtils getStringUtils() {
+		return cls.dex().root().getStringUtils();
+	}
 }

jadx-core/src/main/java/jadx/core/codegen/ClassGen.java

@@ -1,12 +1,25 @@
 package jadx.core.codegen;
 
-import jadx.api.IJadxArgs;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Objects;
+import java.util.Set;
+
+import com.android.dx.rop.code.AccessFlags;
+import com.google.common.collect.Streams;
+
+import jadx.api.JadxArgs;
 import jadx.core.dex.attributes.AFlag;
 import jadx.core.dex.attributes.AType;
 import jadx.core.dex.attributes.AttrNode;
 import jadx.core.dex.attributes.nodes.EnumClassAttr;
 import jadx.core.dex.attributes.nodes.EnumClassAttr.EnumField;
-import jadx.core.dex.attributes.nodes.SourceFileAttr;
+import jadx.core.dex.attributes.nodes.JadxError;
+import jadx.core.dex.attributes.nodes.LineAttrNode;
 import jadx.core.dex.info.AccessInfo;
 import jadx.core.dex.info.ClassInfo;
 import jadx.core.dex.instructions.args.ArgType;
@@ -15,58 +28,42 @@ import jadx.core.dex.instructions.mods.ConstructorInsn;
 import jadx.core.dex.nodes.ClassNode;
 import jadx.core.dex.nodes.DexNode;
 import jadx.core.dex.nodes.FieldNode;
+import jadx.core.dex.nodes.GenericInfo;
+import jadx.core.dex.nodes.InsnNode;
 import jadx.core.dex.nodes.MethodNode;
-import jadx.core.dex.nodes.parser.FieldValueAttr;
+import jadx.core.dex.nodes.parser.FieldInitAttr;
+import jadx.core.dex.nodes.parser.FieldInitAttr.InitType;
+import jadx.core.utils.CodeGenUtils;
 import jadx.core.utils.ErrorsCounter;
 import jadx.core.utils.Utils;
 import jadx.core.utils.exceptions.CodegenException;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Set;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.android.dx.rop.code.AccessFlags;
+import jadx.core.utils.exceptions.JadxRuntimeException;
 
 public class ClassGen {
-	private static final Logger LOG = LoggerFactory.getLogger(ClassGen.class);
-
-	public static final Comparator<MethodNode> METHOD_LINE_COMPARATOR = new Comparator<MethodNode>() {
-		@Override
-		public int compare(MethodNode a, MethodNode b) {
-			return Utils.compare(a.getSourceLine(), b.getSourceLine());
-		}
-	};
 
 	private final ClassNode cls;
 	private final ClassGen parentGen;
 	private final AnnotationGen annotationGen;
 	private final boolean fallback;
+	private final boolean useImports;
 	private final boolean showInconsistentCode;
 
-	private final Set<ClassInfo> imports = new HashSet<ClassInfo>();
+	private final Set<ClassInfo> imports = new HashSet<>();
 	private int clsDeclLine;
 
-	public ClassGen(ClassNode cls, IJadxArgs jadxArgs) {
-		this(cls, null, jadxArgs.isFallbackMode(), jadxArgs.isShowInconsistentCode());
+	public ClassGen(ClassNode cls, JadxArgs jadxArgs) {
+		this(cls, null, jadxArgs.isUseImports(), jadxArgs.isFallbackMode(), jadxArgs.isShowInconsistentCode());
 	}
 
 	public ClassGen(ClassNode cls, ClassGen parentClsGen) {
-		this(cls, parentClsGen, parentClsGen.fallback, parentClsGen.showInconsistentCode);
+		this(cls, parentClsGen, parentClsGen.useImports, parentClsGen.fallback, parentClsGen.showInconsistentCode);
 	}
 
-	public ClassGen(ClassNode cls, ClassGen parentClsGen, boolean fallback, boolean showBadCode) {
+	public ClassGen(ClassNode cls, ClassGen parentClsGen, boolean useImports, boolean fallback, boolean showBadCode) {
 		this.cls = cls;
 		this.parentGen = parentClsGen;
 		this.fallback = fallback;
+		this.useImports = useImports;
 		this.showInconsistentCode = showBadCode;
 
 		this.annotationGen = new AnnotationGen(cls, this);
@@ -87,31 +84,30 @@ public class ClassGen {
 		}
 		int importsCount = imports.size();
 		if (importsCount != 0) {
-			List<String> sortImports = new ArrayList<String>(importsCount);
-			for (ClassInfo ic : imports) {
-				sortImports.add(ic.getAlias().getFullName());
-			}
-			Collections.sort(sortImports);
-
-			for (String imp : sortImports) {
-				clsCode.startLine("import ").add(imp).add(';');
-			}
+			List<ClassInfo> sortedImports = new ArrayList<>(imports);
+			sortedImports.sort(Comparator.comparing(ClassInfo::getAliasFullName));
+			sortedImports.forEach(classInfo -> {
+				clsCode.startLine("import ");
+				ClassNode classNode = cls.root().resolveClass(classInfo);
+				if (classNode != null) {
+					clsCode.attachAnnotation(classNode);
+				}
+				clsCode.add(classInfo.getAliasFullName());
+				clsCode.add(';');
+			});
 			clsCode.newLine();
-
-			sortImports.clear();
 			imports.clear();
 		}
 		clsCode.add(clsBody);
-		return clsCode;
+		return clsCode.finish();
 	}
 
 	public void addClassCode(CodeWriter code) throws CodegenException {
 		if (cls.contains(AFlag.DONT_GENERATE)) {
 			return;
 		}
-		if (cls.contains(AFlag.INCONSISTENT_CODE)) {
-			code.startLine("// jadx: inconsistent code");
-		}
+		CodeGenUtils.addComments(code, cls);
+		insertDecompilationProblems(code, cls);
 		addClassDeclaration(code);
 		addClassBody(code);
 	}
@@ -128,14 +124,15 @@ public class ClassGen {
 		}
 
 		// 'static' and 'private' modifier not allowed for top classes (not inner)
-		if (!cls.getAlias().isInner()) {
+		if (!cls.getClassInfo().isInner()) {
 			af = af.remove(AccessFlags.ACC_STATIC).remove(AccessFlags.ACC_PRIVATE);
 		}
 
 		annotationGen.addForClass(clsCode);
-		insertSourceFileInfo(clsCode, cls);
 		insertRenameInfo(clsCode, cls);
-		clsCode.startLine(af.makeString());
+		CodeGenUtils.addSourceFileInfo(clsCode, cls);
+		clsCode.startLineWithNum(cls.getSourceLine());
+		clsCode.add(af.makeString());
 		if (af.isInterface()) {
 			if (af.isAnnotation()) {
 				clsCode.add('@');
@@ -146,15 +143,16 @@ public class ClassGen {
 		} else {
 			clsCode.add("class ");
 		}
-		clsCode.add(cls.getShortName());
+		clsCode.attachDefinition(cls);
+		clsCode.add(cls.getClassInfo().getAliasShortName());
 
-		addGenericMap(clsCode, cls.getGenericMap());
+		addGenericMap(clsCode, cls.getGenerics(), true);
 		clsCode.add(' ');
 
 		ArgType sup = cls.getSuperClass();
 		if (sup != null
 				&& !sup.equals(ArgType.OBJECT)
-				&& !sup.getObject().equals(ArgType.ENUM.getObject())) {
+				&& !cls.isEnum()) {
 			clsCode.add("extends ");
 			useClass(clsCode, sup);
 			clsCode.add(' ');
@@ -166,7 +164,7 @@ public class ClassGen {
 			} else {
 				clsCode.add("implements ");
 			}
-			for (Iterator<ArgType> it = cls.getInterfaces().iterator(); it.hasNext(); ) {
+			for (Iterator<ArgType> it = cls.getInterfaces().iterator(); it.hasNext();) {
 				ArgType interf = it.next();
 				useClass(clsCode, interf);
 				if (it.hasNext()) {
@@ -177,34 +175,38 @@ public class ClassGen {
 				clsCode.add(' ');
 			}
 		}
-		clsCode.attachDefinition(cls);
 	}
 
-	public boolean addGenericMap(CodeWriter code, Map<ArgType, List<ArgType>> gmap) {
-		if (gmap == null || gmap.isEmpty()) {
+	public boolean addGenericMap(CodeWriter code, List<GenericInfo> generics, boolean classDeclaration) {
+		if (generics == null || generics.isEmpty()) {
 			return false;
 		}
 		code.add('<');
 		int i = 0;
-		for (Entry<ArgType, List<ArgType>> e : gmap.entrySet()) {
-			ArgType type = e.getKey();
-			List<ArgType> list = e.getValue();
+		for (GenericInfo genericInfo : generics) {
 			if (i != 0) {
 				code.add(", ");
 			}
+			ArgType type = genericInfo.getGenericType();
 			if (type.isGenericType()) {
 				code.add(type.getObject());
 			} else {
 				useClass(code, type);
 			}
+			List<ArgType> list = genericInfo.getExtendsList();
 			if (list != null && !list.isEmpty()) {
 				code.add(" extends ");
-				for (Iterator<ArgType> it = list.iterator(); it.hasNext(); ) {
+				for (Iterator<ArgType> it = list.iterator(); it.hasNext();) {
 					ArgType g = it.next();
 					if (g.isGenericType()) {
 						code.add(g.getObject());
 					} else {
 						useClass(code, g);
+						if (classDeclaration
+								&& !cls.getClassInfo().isInner()
+								&& cls.root().getArgs().isUseImports()) {
+							addImport(ClassInfo.fromType(cls.root(), g));
+						}
 					}
 					if (it.hasNext()) {
 						code.add(" & ");
@@ -222,22 +224,32 @@ public class ClassGen {
 		clsDeclLine = clsCode.getLine();
 		clsCode.incIndent();
 		addFields(clsCode);
-		addInnerClasses(clsCode, cls);
-		addMethods(clsCode);
+		addInnerClsAndMethods(clsCode);
 		clsCode.decIndent();
 		clsCode.startLine('}');
 	}
 
-	private void addInnerClasses(CodeWriter code, ClassNode cls) throws CodegenException {
-		for (ClassNode innerCls : cls.getInnerClasses()) {
-			if (innerCls.contains(AFlag.DONT_GENERATE)
-					|| innerCls.contains(AFlag.ANONYMOUS_CLASS)) {
-				continue;
-			}
+	private void addInnerClsAndMethods(CodeWriter clsCode) {
+		Streams.concat(cls.getInnerClasses().stream(), cls.getMethods().stream())
+				.filter(node -> !node.contains(AFlag.DONT_GENERATE))
+				.sorted(Comparator.comparingInt(LineAttrNode::getSourceLine))
+				.forEach(node -> {
+					if (node instanceof ClassNode) {
+						addInnerClass(clsCode, (ClassNode) node);
+					} else {
+						addMethod(clsCode, (MethodNode) node);
+					}
+				});
+	}
+
+	private void addInnerClass(CodeWriter code, ClassNode innerCls) {
+		try {
 			ClassGen inClGen = new ClassGen(innerCls, getParentGen());
 			code.newLine();
 			inClGen.addClassCode(code);
 			imports.addAll(inClGen.getImports());
+		} catch (Exception e) {
+			ErrorsCounter.classError(innerCls, "Inner class code generation error", e);
 		}
 	}
 
@@ -250,28 +262,24 @@ public class ClassGen {
 		return false;
 	}
 
-	private void addMethods(CodeWriter code) {
-		List<MethodNode> methods = sortMethodsByLine(cls.getMethods());
-		for (MethodNode mth : methods) {
-			if (mth.contains(AFlag.DONT_GENERATE)) {
-				continue;
-			}
-			if (code.getLine() != clsDeclLine) {
-				code.newLine();
-			}
-			try {
-				addMethod(code, mth);
-			} catch (Exception e) {
-				String msg = ErrorsCounter.methodError(mth, "Method generation error", e);
-				code.startLine("/* " + msg + CodeWriter.NL + Utils.getStackTrace(e) + " */");
-			}
+	private void addMethod(CodeWriter code, MethodNode mth) {
+		if (code.getLine() != clsDeclLine) {
+			code.newLine();
+		}
+		int savedIndent = code.getIndent();
+		try {
+			addMethodCode(code, mth);
+		} catch (Exception e) {
+			if (mth.getParentClass().getTopParentClass().contains(AFlag.RESTART_CODEGEN)) {
+				throw new JadxRuntimeException("Method generation error", e);
+			}
+			code.newLine().add("/*");
+			code.newLine().addMultiLine(ErrorsCounter.methodError(mth, "Method generation error", e));
+			Utils.appendStackTrace(code, e);
+			code.newLine().add("*/");
+			code.setIndent(savedIndent);
+			mth.addError("Method generation error: " + e.getMessage(), e);
 		}
-	}
-
-	private static List<MethodNode> sortMethodsByLine(List<MethodNode> methods) {
-		List<MethodNode> out = new ArrayList<MethodNode>(methods);
-		Collections.sort(out, METHOD_LINE_COMPARATOR);
-		return out;
 	}
 
 	private boolean isMethodsPresents() {
@@ -283,31 +291,21 @@ public class ClassGen {
 		return false;
 	}
 
-	private void addMethod(CodeWriter code, MethodNode mth) throws CodegenException {
+	public void addMethodCode(CodeWriter code, MethodNode mth) throws CodegenException {
+		CodeGenUtils.addComments(code, mth);
 		if (mth.getAccessFlags().isAbstract() || mth.getAccessFlags().isNative()) {
 			MethodGen mthGen = new MethodGen(this, mth);
 			mthGen.addDefinition(code);
-			if (cls.getAccessFlags().isAnnotation()) {
-				Object def = annotationGen.getAnnotationDefaultValue(mth.getName());
-				if (def != null) {
-					code.add(" default ");
-					annotationGen.encodeValue(code, def);
-				}
-			}
 			code.add(';');
 		} else {
+			insertDecompilationProblems(code, mth);
 			boolean badCode = mth.contains(AFlag.INCONSISTENT_CODE);
-			if (badCode) {
-				code.startLine("/* JADX WARNING: inconsistent code. */");
-				code.startLine("/* Code decompiled incorrectly, please refer to instructions dump. */");
-				ErrorsCounter.methodError(mth, "Inconsistent code");
-				if (showInconsistentCode) {
-					mth.remove(AFlag.INCONSISTENT_CODE);
-					badCode = false;
-				}
+			if (badCode && showInconsistentCode) {
+				mth.remove(AFlag.INCONSISTENT_CODE);
+				badCode = false;
 			}
 			MethodGen mthGen;
-			if (badCode || mth.contains(AType.JADX_ERROR) || fallback) {
+			if (badCode || fallback || mth.contains(AType.JADX_ERROR) || mth.getRegion() == null) {
 				mthGen = MethodGen.getFallbackMethodGen(mth);
 			} else {
 				mthGen = new MethodGen(this, mth);
@@ -317,40 +315,71 @@ public class ClassGen {
 			}
 			code.add('{');
 			code.incIndent();
-			insertSourceFileInfo(code, mth);
-			if (fallback) {
-				mthGen.addFallbackMethodCode(code);
-			} else {
-				mthGen.addInstructions(code);
-			}
+			mthGen.addInstructions(code);
 			code.decIndent();
 			code.startLine('}');
 		}
 	}
 
+	public void insertDecompilationProblems(CodeWriter code, AttrNode node) {
+		List<JadxError> errors = node.getAll(AType.JADX_ERROR);
+		if (!errors.isEmpty()) {
+			errors.stream().distinct().sorted().forEach(err -> {
+				code.startLine("/*  JADX ERROR: ").add(err.getError());
+				Throwable cause = err.getCause();
+				if (cause != null) {
+					code.incIndent();
+					Utils.appendStackTrace(code, cause);
+					code.decIndent();
+				}
+				code.add("*/");
+			});
+		}
+		List<String> warns = node.getAll(AType.JADX_WARN);
+		if (!warns.isEmpty()) {
+			warns.stream().distinct().sorted()
+					.forEach(warn -> code.startLine("/* JADX WARNING: ").addMultiLine(warn).add(" */"));
+		}
+	}
+
 	private void addFields(CodeWriter code) throws CodegenException {
 		addEnumFields(code);
 		for (FieldNode f : cls.getFields()) {
-			if (f.contains(AFlag.DONT_GENERATE)) {
-				continue;
-			}
-			annotationGen.addForField(code, f);
-			code.startLine(f.getAccessFlags().makeString());
-			useType(code, f.getType());
-			code.add(' ');
-			code.add(f.getAlias());
-			FieldValueAttr fv = f.get(AType.FIELD_VALUE);
-			if (fv != null) {
-				code.add(" = ");
-				if (fv.getValue() == null) {
-					code.add(TypeGen.literalToString(0, f.getType()));
-				} else {
+			addField(code, f);
+		}
+	}
+
+	public void addField(CodeWriter code, FieldNode f) {
+		if (f.contains(AFlag.DONT_GENERATE)) {
+			return;
+		}
+		CodeGenUtils.addComments(code, f);
+		annotationGen.addForField(code, f);
+
+		if (f.getFieldInfo().isRenamed()) {
+			code.newLine();
+			CodeGenUtils.addRenamedComment(code, f, f.getName());
+		}
+		code.startLine(f.getAccessFlags().makeString());
+		useType(code, f.getType());
+		code.add(' ');
+		code.attachDefinition(f);
+		code.add(f.getAlias());
+		FieldInitAttr fv = f.get(AType.FIELD_INIT);
+		if (fv != null) {
+			code.add(" = ");
+			if (fv.getValue() == null) {
+				code.add(TypeGen.literalToString(0, f.getType(), cls, fallback));
+			} else {
+				if (fv.getValueType() == InitType.CONST) {
 					annotationGen.encodeValue(code, fv.getValue());
+				} else if (fv.getValueType() == InitType.INSN) {
+					InsnGen insnGen = makeInsnGen(fv.getInsnMth());
+					addInsnBody(insnGen, code, fv.getInsn());
 				}
 			}
-			code.add(';');
-			code.attachDefinition(f);
 		}
+		code.add(';');
 	}
 
 	private boolean isFieldsPresents() {
@@ -368,14 +397,13 @@ public class ClassGen {
 			return;
 		}
 		InsnGen igen = null;
-		for (Iterator<EnumField> it = enumFields.getFields().iterator(); it.hasNext(); ) {
+		for (Iterator<EnumField> it = enumFields.getFields().iterator(); it.hasNext();) {
 			EnumField f = it.next();
 			code.startLine(f.getField().getAlias());
 			ConstructorInsn constrInsn = f.getConstrInsn();
 			if (constrInsn.getArgsCount() > f.getStartArg()) {
 				if (igen == null) {
-					MethodGen mthGen = new MethodGen(this, enumFields.getStaticMethod());
-					igen = new InsnGen(mthGen, false);
+					igen = makeInsnGen(enumFields.getStaticMethod());
 				}
 				MethodNode callMth = cls.dex().resolveMethod(constrInsn.getCallMth());
 				igen.generateMethodArguments(code, constrInsn, f.getStartArg(), callMth);
@@ -399,6 +427,19 @@ public class ClassGen {
 		}
 	}
 
+	private InsnGen makeInsnGen(MethodNode mth) {
+		MethodGen mthGen = new MethodGen(this, mth);
+		return new InsnGen(mthGen, false);
+	}
+
+	private void addInsnBody(InsnGen insnGen, CodeWriter code, InsnNode insn) {
+		try {
+			insnGen.makeInsn(insn, code, InsnGen.Flags.BODY_ONLY_NOWRAP);
+		} catch (Exception e) {
+			ErrorsCounter.classError(cls, "Failed to generate init code", e);
+		}
+	}
+
 	public void useType(CodeWriter code, ArgType type) {
 		PrimitiveType stype = type.getPrimitiveType();
 		if (stype == null) {
@@ -418,7 +459,15 @@ public class ClassGen {
 	}
 
 	public void useClass(CodeWriter code, ArgType type) {
-		useClass(code, ClassInfo.extCls(cls.dex(), type));
+		ArgType outerType = type.getOuterType();
+		if (outerType != null) {
+			useClass(code, outerType);
+			code.add('.');
+			useClass(code, type.getInnerType());
+			return;
+		}
+
+		useClass(code, ClassInfo.fromType(cls.root(), type));
 		ArgType[] generics = type.getGenericTypes();
 		if (generics != null) {
 			code.add('<');
@@ -430,10 +479,9 @@ public class ClassGen {
 				ArgType gt = generics[i];
 				ArgType wt = gt.getWildcardType();
 				if (wt != null) {
-					code.add('?');
-					int bounds = gt.getWildcardBounds();
-					if (bounds != 0) {
-						code.add(bounds == -1 ? " super " : " extends ");
+					ArgType.WildcardBound bound = gt.getWildcardBound();
+					code.add(bound.getStr());
+					if (bound != ArgType.WildcardBound.UNBOUND) {
 						useType(code, wt);
 					}
 				} else {
@@ -447,24 +495,37 @@ public class ClassGen {
 	public void useClass(CodeWriter code, ClassInfo classInfo) {
 		ClassNode classNode = cls.dex().resolveClass(classInfo);
 		if (classNode != null) {
-			code.attachAnnotation(classNode);
+			useClass(code, classNode);
+		} else {
+			addClsName(code, classInfo);
 		}
-		String baseClass = useClassInternal(cls.getAlias(), classInfo.getAlias());
-		code.add(baseClass);
+	}
+
+	public void useClass(CodeWriter code, ClassNode classNode) {
+		code.attachAnnotation(classNode);
+		addClsName(code, classNode.getClassInfo());
+	}
+
+	private void addClsName(CodeWriter code, ClassInfo classInfo) {
+		String clsName = useClassInternal(cls.getClassInfo(), classInfo);
+		code.add(clsName);
 	}
 
 	private String useClassInternal(ClassInfo useCls, ClassInfo extClsInfo) {
-		String fullName = extClsInfo.getFullName();
-		if (fallback) {
+		String fullName = extClsInfo.getAliasFullName();
+		if (fallback || !useImports) {
 			return fullName;
 		}
-		String shortName = extClsInfo.getShortName();
+		String shortName = extClsInfo.getAliasShortName();
 		if (extClsInfo.getPackage().equals("java.lang") && extClsInfo.getParentClass() == null) {
 			return shortName;
 		}
 		if (isClassInnerFor(useCls, extClsInfo)) {
 			return shortName;
 		}
+		if (extClsInfo.isInner()) {
+			return expandInnerClassName(useCls, extClsInfo);
+		}
 		if (isBothClassesInOneTopClass(useCls, extClsInfo)) {
 			return shortName;
 		}
@@ -480,15 +541,19 @@ public class ClassGen {
 		if (searchCollision(cls.dex(), useCls, extClsInfo)) {
 			return fullName;
 		}
-		if (extClsInfo.getPackage().equals(useCls.getPackage())) {
-			fullName = extClsInfo.getNameWithoutPackage();
+		// ignore classes from default package
+		if (extClsInfo.isDefaultPackage()) {
+			return shortName;
+		}
+		if (extClsInfo.getAliasPkg().equals(useCls.getAliasPkg())) {
+			fullName = extClsInfo.getAliasNameWithoutPackage();
 		}
 		for (ClassInfo importCls : getImports()) {
 			if (!importCls.equals(extClsInfo)
-					&& importCls.getShortName().equals(shortName)) {
+					&& importCls.getAliasShortName().equals(shortName)) {
 				if (extClsInfo.isInner()) {
-					String parent = useClassInternal(useCls, extClsInfo.getParentClass().getAlias());
-					return parent + "." + shortName;
+					String parent = useClassInternal(useCls, extClsInfo.getParentClass());
+					return parent + '.' + shortName;
 				} else {
 					return fullName;
 				}
@@ -498,15 +563,35 @@ public class ClassGen {
 		return shortName;
 	}
 
+	private String expandInnerClassName(ClassInfo useCls, ClassInfo extClsInfo) {
+		List<ClassInfo> clsList = new ArrayList<>();
+		clsList.add(extClsInfo);
+		ClassInfo parentCls = extClsInfo.getParentClass();
+		boolean addImport = true;
+		while (parentCls != null) {
+			if (parentCls == useCls || isClassInnerFor(useCls, parentCls)) {
+				addImport = false;
+				break;
+			}
+			clsList.add(parentCls);
+			parentCls = parentCls.getParentClass();
+		}
+		Collections.reverse(clsList);
+		if (addImport) {
+			addImport(clsList.get(0));
+		}
+		return Utils.listToString(clsList, ".", ClassInfo::getAliasShortName);
+	}
+
 	private void addImport(ClassInfo classInfo) {
 		if (parentGen != null) {
-			parentGen.addImport(classInfo.getAlias());
+			parentGen.addImport(classInfo);
 		} else {
 			imports.add(classInfo);
 		}
 	}
 
-	private Set<ClassInfo> getImports() {
+	public Set<ClassInfo> getImports() {
 		if (parentGen != null) {
 			return parentGen.getImports();
 		} else {
@@ -527,7 +612,7 @@ public class ClassGen {
 	private static boolean isClassInnerFor(ClassInfo inner, ClassInfo parent) {
 		if (inner.isInner()) {
 			ClassInfo p = inner.getParentClass();
-			return p.equals(parent) || isClassInnerFor(p, parent);
+			return Objects.equals(p, parent) || isClassInnerFor(p, parent);
 		}
 		return false;
 	}
@@ -536,15 +621,15 @@ public class ClassGen {
 		if (useCls == null) {
 			return false;
 		}
-		String shortName = searchCls.getShortName();
-		if (useCls.getShortName().equals(shortName)) {
+		String shortName = searchCls.getAliasShortName();
+		if (useCls.getAliasShortName().equals(shortName)) {
 			return true;
 		}
 		ClassNode classNode = dex.resolveClass(useCls);
 		if (classNode != null) {
 			for (ClassNode inner : classNode.getInnerClasses()) {
 				if (inner.getShortName().equals(shortName)
-						&& !inner.getAlias().equals(searchCls)) {
+						&& !inner.getFullName().equals(searchCls.getAliasFullName())) {
 					return true;
 				}
 			}
@@ -552,17 +637,10 @@ public class ClassGen {
 		return searchCollision(dex, useCls.getParentClass(), searchCls);
 	}
 
-	private void insertSourceFileInfo(CodeWriter code, AttrNode node) {
-		SourceFileAttr sourceFileAttr = node.get(AType.SOURCE_FILE);
-		if (sourceFileAttr != null) {
-			code.startLine("/* compiled from: ").add(sourceFileAttr.getFileName()).add(" */");
-		}
-	}
-
 	private void insertRenameInfo(CodeWriter code, ClassNode cls) {
 		ClassInfo classInfo = cls.getClassInfo();
-		if (classInfo.isRenamed()) {
-			code.startLine("/* renamed from: ").add(classInfo.getFullName()).add(" */");
+		if (classInfo.hasAlias()) {
+			CodeGenUtils.addRenamedComment(code, cls, classInfo.getType().getObject());
 		}
 	}
 

jadx-core/src/main/java/jadx/core/codegen/CodeGen.java

@@ -1,25 +1,61 @@
 package jadx.core.codegen;
 
-import jadx.api.IJadxArgs;
+import java.util.concurrent.Callable;
+
+import jadx.api.ICodeInfo;
+import jadx.api.JadxArgs;
+import jadx.core.codegen.json.JsonCodeGen;
+import jadx.core.dex.attributes.AFlag;
 import jadx.core.dex.nodes.ClassNode;
-import jadx.core.dex.visitors.AbstractVisitor;
-import jadx.core.utils.exceptions.CodegenException;
+import jadx.core.utils.exceptions.JadxRuntimeException;
 
-public class CodeGen extends AbstractVisitor {
+public class CodeGen {
 
-	private final IJadxArgs args;
+	public static ICodeInfo generate(ClassNode cls) {
+		if (cls.contains(AFlag.DONT_GENERATE)) {
+			return CodeWriter.EMPTY;
+		}
+		JadxArgs args = cls.root().getArgs();
+		switch (args.getOutputFormat()) {
+			case JAVA:
+				return generateJavaCode(cls, args);
 
-	public CodeGen(IJadxArgs args) {
-		this.args = args;
+			case JSON:
+				return generateJson(cls);
+
+			default:
+				throw new JadxRuntimeException("Unknown output format");
+		}
 	}
 
-	@Override
-	public boolean visit(ClassNode cls) throws CodegenException {
+	private static ICodeInfo generateJavaCode(ClassNode cls, JadxArgs args) {
 		ClassGen clsGen = new ClassGen(cls, args);
-		CodeWriter clsCode = clsGen.makeClass();
-		clsCode.finish();
-		cls.setCode(clsCode);
-		return false;
+		return wrapCodeGen(cls, clsGen::makeClass);
 	}
 
+	private static ICodeInfo generateJson(ClassNode cls) {
+		JsonCodeGen codeGen = new JsonCodeGen(cls);
+		String clsJson = wrapCodeGen(cls, codeGen::process);
+		return new CodeWriter(clsJson);
+	}
+
+	private static <R> R wrapCodeGen(ClassNode cls, Callable<R> codeGenFunc) {
+		try {
+			return codeGenFunc.call();
+		} catch (Exception e) {
+			if (cls.contains(AFlag.RESTART_CODEGEN)) {
+				cls.remove(AFlag.RESTART_CODEGEN);
+				try {
+					return codeGenFunc.call();
+				} catch (Exception ex) {
+					throw new JadxRuntimeException("Code generation error after restart", ex);
+				}
+			} else {
+				throw new JadxRuntimeException("Code generation error", e);
+			}
+		}
+	}
+
+	private CodeGen() {
+	}
 }

jadx-core/src/main/java/jadx/core/codegen/CodeWriter.java

@@ -1,39 +1,45 @@
 package jadx.core.codegen;
 
-import jadx.api.CodePosition;
-import jadx.core.dex.attributes.nodes.LineAttrNode;
-import jadx.core.utils.files.FileUtils;
-
 import java.io.File;
 import java.io.PrintWriter;
 import java.util.Collections;
 import java.util.HashMap;
-import java.util.Iterator;
 import java.util.Map;
 import java.util.TreeMap;
 
+import org.jetbrains.annotations.Nullable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-public class CodeWriter {
+import jadx.api.CodePosition;
+import jadx.api.ICodeInfo;
+import jadx.core.dex.attributes.nodes.LineAttrNode;
+import jadx.core.utils.StringUtils;
+import jadx.core.utils.files.FileUtils;
+import jadx.core.utils.files.ZipSecurity;
+
+public class CodeWriter implements ICodeInfo {
 	private static final Logger LOG = LoggerFactory.getLogger(CodeWriter.class);
-	private static final int MAX_FILENAME_LENGTH = 128;
 
 	public static final String NL = System.getProperty("line.separator");
-	public static final String INDENT = "    ";
+	public static final String INDENT_STR = "    ";
 
 	private static final boolean ADD_LINE_NUMBERS = false;
 
 	private static final String[] INDENT_CACHE = {
 			"",
-			INDENT,
-			INDENT + INDENT,
-			INDENT + INDENT + INDENT,
-			INDENT + INDENT + INDENT + INDENT,
-			INDENT + INDENT + INDENT + INDENT + INDENT,
+			INDENT_STR,
+			INDENT_STR + INDENT_STR,
+			INDENT_STR + INDENT_STR + INDENT_STR,
+			INDENT_STR + INDENT_STR + INDENT_STR + INDENT_STR,
+			INDENT_STR + INDENT_STR + INDENT_STR + INDENT_STR + INDENT_STR,
 	};
 
-	private final StringBuilder buf = new StringBuilder();
+	public static final CodeWriter EMPTY = new CodeWriter().finish();
+
+	private StringBuilder buf;
+	@Nullable
+	private String code;
 	private String indentStr;
 	private int indent;
 
@@ -43,13 +49,21 @@ public class CodeWriter {
 	private Map<Integer, Integer> lineMap = Collections.emptyMap();
 
 	public CodeWriter() {
+		this.buf = new StringBuilder();
 		this.indent = 0;
 		this.indentStr = "";
 		if (ADD_LINE_NUMBERS) {
-			incIndent(2);
+			incIndent(3);
+			add(indentStr);
 		}
 	}
 
+	// create filled instance (just string wrapper)
+	public CodeWriter(String code) {
+		this.buf = null;
+		this.code = code;
+	}
+
 	public CodeWriter startLine() {
 		addLine();
 		addLineIndent();
@@ -90,6 +104,17 @@ public class CodeWriter {
 		return this;
 	}
 
+	public CodeWriter addMultiLine(String str) {
+		if (str.contains(NL)) {
+			buf.append(str.replace(NL, NL + indentStr));
+			line += StringUtils.countMatches(str, NL);
+			offset = 0;
+		} else {
+			buf.append(str);
+		}
+		return this;
+	}
+
 	public CodeWriter add(String str) {
 		buf.append(str);
 		offset += str.length();
@@ -113,7 +138,7 @@ public class CodeWriter {
 		}
 		line += code.line;
 		offset = code.offset;
-		buf.append(code);
+		buf.append(code.buf);
 		return this;
 	}
 
@@ -123,7 +148,7 @@ public class CodeWriter {
 	}
 
 	public CodeWriter addIndent() {
-		add(INDENT);
+		add(INDENT_STR);
 		return this;
 	}
 
@@ -144,9 +169,9 @@ public class CodeWriter {
 		if (curIndent < INDENT_CACHE.length) {
 			this.indentStr = INDENT_CACHE[curIndent];
 		} else {
-			StringBuilder s = new StringBuilder(curIndent * INDENT.length());
+			StringBuilder s = new StringBuilder(curIndent * INDENT_STR.length());
 			for (int i = 0; i < curIndent; i++) {
-				s.append(INDENT);
+				s.append(INDENT_STR);
 			}
 			this.indentStr = s.toString();
 		}
@@ -178,6 +203,11 @@ public class CodeWriter {
 		return indent;
 	}
 
+	public void setIndent(int indent) {
+		this.indent = indent;
+		updateIndent();
+	}
+
 	public int getLine() {
 		return line;
 	}
@@ -194,21 +224,27 @@ public class CodeWriter {
 		}
 	}
 
-	public Object attachDefinition(LineAttrNode obj) {
-		return attachAnnotation(new DefinitionWrapper(obj), new CodePosition(line, offset));
+	public void attachDefinition(LineAttrNode obj) {
+		attachAnnotation(obj);
+		attachAnnotation(new DefinitionWrapper(obj), new CodePosition(line, offset));
 	}
 
-	public Object attachAnnotation(Object obj) {
-		return attachAnnotation(obj, new CodePosition(line, offset + 1));
+	public void attachAnnotation(Object obj) {
+		attachAnnotation(obj, new CodePosition(line, offset + 1));
+	}
+
+	public void attachLineAnnotation(Object obj) {
+		attachAnnotation(obj, new CodePosition(line, 0));
 	}
 
 	private Object attachAnnotation(Object obj, CodePosition pos) {
 		if (annotations.isEmpty()) {
-			annotations = new HashMap<CodePosition, Object>();
+			annotations = new HashMap<>();
 		}
 		return annotations.put(pos, obj);
 	}
 
+	@Override
 	public Map<CodePosition, Object> getAnnotations() {
 		return annotations;
 	}
@@ -222,104 +258,81 @@ public class CodeWriter {
 
 	private void attachSourceLine(int decompiledLine, int sourceLine) {
 		if (lineMap.isEmpty()) {
-			lineMap = new TreeMap<Integer, Integer>();
+			lineMap = new TreeMap<>();
 		}
 		lineMap.put(decompiledLine, sourceLine);
 	}
 
+	@Override
 	public Map<Integer, Integer> getLineMapping() {
 		return lineMap;
 	}
 
-	public void finish() {
+	public CodeWriter finish() {
+		removeFirstEmptyLine();
 		buf.trimToSize();
-		Iterator<Map.Entry<CodePosition, Object>> it = annotations.entrySet().iterator();
-		while (it.hasNext()) {
-			Map.Entry<CodePosition, Object> entry = it.next();
+		code = buf.toString();
+		buf = null;
+
+		annotations.entrySet().removeIf(entry -> {
 			Object v = entry.getValue();
 			if (v instanceof DefinitionWrapper) {
 				LineAttrNode l = ((DefinitionWrapper) v).getNode();
 				l.setDecompiledLine(entry.getKey().getLine());
-				it.remove();
+				return true;
 			}
+			return false;
+		});
+		return this;
+	}
+
+	private void removeFirstEmptyLine() {
+		int len = NL.length();
+		if (buf.length() > len && buf.substring(0, len).equals(NL)) {
+			buf.delete(0, len);
 		}
 	}
 
-	private static String removeFirstEmptyLine(String str) {
-		if (str.startsWith(NL)) {
-			return str.substring(NL.length());
-		}
-		return str;
-	}
-
-	public int length() {
+	public int bufLength() {
 		return buf.length();
 	}
 
-	public boolean isEmpty() {
-		return buf.length() == 0;
-	}
-
-	public boolean notEmpty() {
-		return buf.length() != 0;
+	@Override
+	public String getCodeStr() {
+		if (code == null) {
+			throw new NullPointerException("Code not set");
+		}
+		return code;
 	}
 
 	@Override
 	public String toString() {
-		return buf.toString();
+		return buf == null ? code : buf.toString();
 	}
 
 	public void save(File dir, String subDir, String fileName) {
+		if (!ZipSecurity.isValidZipEntryName(subDir) || !ZipSecurity.isValidZipEntryName(fileName)) {
+			return;
+		}
 		save(dir, new File(subDir, fileName).getPath());
 	}
 
 	public void save(File dir, String fileName) {
+		if (!ZipSecurity.isValidZipEntryName(fileName)) {
+			return;
+		}
 		save(new File(dir, fileName));
 	}
 
 	public void save(File file) {
-		String name = file.getName();
-		if (name.length() > MAX_FILENAME_LENGTH) {
-			int dotIndex = name.indexOf('.');
-			int cutAt = MAX_FILENAME_LENGTH - name.length() + dotIndex - 1;
-			if (cutAt <= 0) {
-				name = name.substring(0, MAX_FILENAME_LENGTH - 1);
-			} else {
-				name = name.substring(0, cutAt) + name.substring(dotIndex);
-			}
-			file = new File(file.getParentFile(), name);
+		if (code == null) {
+			finish();
 		}
-
-		PrintWriter out = null;
-		try {
-			FileUtils.makeDirsForFile(file);
-			out = new PrintWriter(file, "UTF-8");
-			String code = buf.toString();
-			code = removeFirstEmptyLine(code);
+		File outFile = FileUtils.prepareFile(file);
+		try (PrintWriter out = new PrintWriter(outFile, "UTF-8")) {
 			out.println(code);
 		} catch (Exception e) {
 			LOG.error("Save file error", e);
-		} finally {
-			if (out != null) {
-				out.close();
-			}
 		}
 	}
-
-	@Override
-	public int hashCode() {
-		return buf.toString().hashCode();
-	}
-
-	@Override
-	public boolean equals(Object o) {
-		if (this == o) {
-			return true;
-		}
-		if (!(o instanceof CodeWriter)) {
-			return false;
-		}
-		CodeWriter that = (CodeWriter) o;
-		return buf.toString().equals(that.buf.toString());
-	}
 }

jadx-core/src/main/java/jadx/core/codegen/ConditionGen.java

@@ -1,5 +1,10 @@
 package jadx.core.codegen;
 
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.Queue;
+
+import jadx.core.dex.attributes.AFlag;
 import jadx.core.dex.instructions.ArithNode;
 import jadx.core.dex.instructions.IfOp;
 import jadx.core.dex.instructions.InsnType;
@@ -15,18 +20,10 @@ import jadx.core.utils.ErrorsCounter;
 import jadx.core.utils.exceptions.CodegenException;
 import jadx.core.utils.exceptions.JadxRuntimeException;
 
-import java.util.Iterator;
-import java.util.LinkedList;
-import java.util.Queue;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 public class ConditionGen extends InsnGen {
-	private static final Logger LOG = LoggerFactory.getLogger(ConditionGen.class);
 
 	private static class CondStack {
-		private final Queue<IfCondition> stack = new LinkedList<IfCondition>();
+		private final Queue<IfCondition> stack = new LinkedList<>();
 
 		public Queue<IfCondition> getStack() {
 			return stack;
@@ -126,7 +123,7 @@ public class ConditionGen extends InsnGen {
 				wrap(code, firstArg);
 				return;
 			}
-			LOG.warn(ErrorsCounter.formatErrorMsg(mth, "Unsupported boolean condition " + op.getSymbol()));
+			ErrorsCounter.methodWarn(mth, "Unsupported boolean condition " + op.getSymbol());
 		}
 
 		addArg(code, firstArg, isArgWrapNeeded(firstArg));
@@ -159,7 +156,7 @@ public class ConditionGen extends InsnGen {
 	}
 
 	private boolean isWrapNeeded(IfCondition condition) {
-		if (condition.isCompare()) {
+		if (condition.isCompare() || condition.contains(AFlag.DONT_WRAP)) {
 			return false;
 		}
 		return condition.getMode() != Mode.NOT;
@@ -179,6 +176,9 @@ public class ConditionGen extends InsnGen {
 				case DIV:
 				case REM:
 					return false;
+
+				default:
+					return true;
 			}
 		} else {
 			switch (insnType) {
@@ -189,10 +189,10 @@ public class ConditionGen extends InsnGen {
 				case CONST:
 				case ARRAY_LENGTH:
 					return false;
+
 				default:
 					return true;
 			}
 		}
-		return true;
 	}
 }

jadx-core/src/main/java/jadx/core/codegen/InsnGen.java

@@ -1,15 +1,29 @@
 package jadx.core.codegen;
 
+import java.util.ArrayList;
+import java.util.EnumSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Set;
+
+import org.jetbrains.annotations.Nullable;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import jadx.core.Consts;
+import jadx.core.deobf.NameMapper;
 import jadx.core.dex.attributes.AFlag;
 import jadx.core.dex.attributes.AType;
 import jadx.core.dex.attributes.nodes.FieldReplaceAttr;
 import jadx.core.dex.attributes.nodes.LoopLabelAttr;
 import jadx.core.dex.attributes.nodes.MethodInlineAttr;
+import jadx.core.dex.attributes.nodes.SkipMethodArgsAttr;
 import jadx.core.dex.info.ClassInfo;
 import jadx.core.dex.info.FieldInfo;
 import jadx.core.dex.info.MethodInfo;
 import jadx.core.dex.instructions.ArithNode;
 import jadx.core.dex.instructions.ArithOp;
+import jadx.core.dex.instructions.CallMthInterface;
 import jadx.core.dex.instructions.ConstClassNode;
 import jadx.core.dex.instructions.ConstStringNode;
 import jadx.core.dex.instructions.FillArrayNode;
@@ -23,12 +37,14 @@ import jadx.core.dex.instructions.InvokeType;
 import jadx.core.dex.instructions.NewArrayNode;
 import jadx.core.dex.instructions.SwitchNode;
 import jadx.core.dex.instructions.args.ArgType;
-import jadx.core.dex.instructions.args.FieldArg;
+import jadx.core.dex.instructions.args.CodeVar;
 import jadx.core.dex.instructions.args.InsnArg;
 import jadx.core.dex.instructions.args.InsnWrapArg;
 import jadx.core.dex.instructions.args.LiteralArg;
 import jadx.core.dex.instructions.args.Named;
+import jadx.core.dex.instructions.args.NamedArg;
 import jadx.core.dex.instructions.args.RegisterArg;
+import jadx.core.dex.instructions.args.SSAVar;
 import jadx.core.dex.instructions.mods.ConstructorInsn;
 import jadx.core.dex.instructions.mods.TernaryInsn;
 import jadx.core.dex.nodes.ClassNode;
@@ -37,22 +53,11 @@ import jadx.core.dex.nodes.InsnNode;
 import jadx.core.dex.nodes.MethodNode;
 import jadx.core.dex.nodes.RootNode;
 import jadx.core.utils.RegionUtils;
-import jadx.core.utils.StringUtils;
+import jadx.core.utils.TypeUtils;
 import jadx.core.utils.exceptions.CodegenException;
 import jadx.core.utils.exceptions.JadxRuntimeException;
 
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.EnumSet;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
-import org.jetbrains.annotations.Nullable;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import static jadx.core.utils.android.AndroidResourcesUtils.handleAppResField;
 
 public class InsnGen {
 	private static final Logger LOG = LoggerFactory.getLogger(InsnGen.class);
@@ -61,6 +66,7 @@ public class InsnGen {
 	protected final MethodNode mth;
 	protected final RootNode root;
 	protected final boolean fallback;
+	protected final boolean attachInsns;
 
 	protected enum Flags {
 		BODY_ONLY,
@@ -71,8 +77,9 @@ public class InsnGen {
 	public InsnGen(MethodGen mgen, boolean fallback) {
 		this.mgen = mgen;
 		this.mth = mgen.getMethodNode();
-		this.root = mth.dex().root();
+		this.root = mth.root();
 		this.fallback = fallback;
+		this.attachInsns = root.getArgs().isJsonOutput();
 	}
 
 	private boolean isFallback() {
@@ -80,9 +87,9 @@ public class InsnGen {
 	}
 
 	public void addArgDot(CodeWriter code, InsnArg arg) throws CodegenException {
-		int len = code.length();
+		int len = code.bufLength();
 		addArg(code, arg, true);
-		if (len != code.length()) {
+		if (len != code.bufLength()) {
 			code.add('.');
 		}
 	}
@@ -97,22 +104,26 @@ public class InsnGen {
 		} else if (arg.isLiteral()) {
 			code.add(lit((LiteralArg) arg));
 		} else if (arg.isInsnWrap()) {
-			Flags flag = wrap ? Flags.BODY_ONLY : Flags.BODY_ONLY_NOWRAP;
-			makeInsn(((InsnWrapArg) arg).getWrapInsn(), code, flag);
+			addWrappedArg(code, (InsnWrapArg) arg, wrap);
 		} else if (arg.isNamed()) {
 			code.add(((Named) arg).getName());
-		} else if (arg.isField()) {
-			FieldArg f = (FieldArg) arg;
-			if (f.isStatic()) {
-				staticField(code, f.getField());
-			} else {
-				instanceField(code, f.getField(), f.getInstanceArg());
-			}
 		} else {
 			throw new CodegenException("Unknown arg type " + arg);
 		}
 	}
 
+	private void addWrappedArg(CodeWriter code, InsnWrapArg arg, boolean wrap) throws CodegenException {
+		InsnNode wrapInsn = arg.getWrapInsn();
+		if (wrapInsn.contains(AFlag.FORCE_ASSIGN_INLINE)) {
+			code.add('(');
+			makeInsn(wrapInsn, code, Flags.INLINE);
+			code.add(')');
+		} else {
+			Flags flags = wrap ? Flags.BODY_ONLY : Flags.BODY_ONLY_NOWRAP;
+			makeInsn(wrapInsn, code, flags);
+		}
+	}
+
 	public void assignVar(CodeWriter code, InsnNode insn) throws CodegenException {
 		RegisterArg arg = insn.getResult();
 		if (insn.contains(AFlag.DECLARE_VAR)) {
@@ -123,63 +134,71 @@ public class InsnGen {
 	}
 
 	public void declareVar(CodeWriter code, RegisterArg arg) {
-		useType(code, arg.getType());
-		code.add(' ');
-		code.add(mgen.getNameGen().assignArg(arg));
+		declareVar(code, arg.getSVar().getCodeVar());
 	}
 
-	private static String lit(LiteralArg arg) {
-		return TypeGen.literalToString(arg.getLiteral(), arg.getType());
+	public void declareVar(CodeWriter code, CodeVar codeVar) {
+		if (codeVar.isFinal()) {
+			code.add("final ");
+		}
+		useType(code, codeVar.getType());
+		code.add(' ');
+		code.add(mgen.getNameGen().assignArg(codeVar));
+	}
+
+	private String lit(LiteralArg arg) {
+		return TypeGen.literalToString(arg, mth, fallback);
 	}
 
 	private void instanceField(CodeWriter code, FieldInfo field, InsnArg arg) throws CodegenException {
 		ClassNode pCls = mth.getParentClass();
-		FieldNode fieldNode = pCls.searchField(field);
-		while (fieldNode == null
-				&& pCls.getParentClass() != pCls
-				&& pCls.getParentClass() != null) {
-			pCls = pCls.getParentClass();
-			fieldNode = pCls.searchField(field);
-		}
+		FieldNode fieldNode = pCls.dex().root().deepResolveField(field);
 		if (fieldNode != null) {
 			FieldReplaceAttr replace = fieldNode.get(AType.FIELD_REPLACE);
 			if (replace != null) {
-				FieldInfo info = replace.getFieldInfo();
-				if (replace.isOuterClass()) {
-					useClass(code, info.getDeclClass());
-					code.add(".this");
+				switch (replace.getReplaceType()) {
+					case CLASS_INSTANCE:
+						useClass(code, replace.getClsRef());
+						code.add(".this");
+						break;
+					case VAR:
+						addArg(code, replace.getVarRef());
+						break;
 				}
 				return;
 			}
 		}
 		addArgDot(code, arg);
-		fieldNode = mth.dex().resolveField(field);
 		if (fieldNode != null) {
 			code.attachAnnotation(fieldNode);
 		}
-		code.add(field.getAlias());
+		if (fieldNode == null) {
+			code.add(field.getAlias());
+		} else {
+			code.add(fieldNode.getAlias());
+		}
 	}
 
 	public static void makeStaticFieldAccess(CodeWriter code, FieldInfo field, ClassGen clsGen) {
 		ClassInfo declClass = field.getDeclClass();
+		// TODO
 		boolean fieldFromThisClass = clsGen.getClassNode().getClassInfo().equals(declClass);
 		if (!fieldFromThisClass) {
 			// Android specific resources class handler
-			ClassInfo parentClass = declClass.getParentClass();
-			if (parentClass != null && parentClass.getShortName().equals("R")) {
-				clsGen.useClass(code, parentClass);
-				code.add('.');
-				code.add(declClass.getAlias().getShortName());
-			} else {
+			if (!handleAppResField(code, clsGen, declClass)) {
 				clsGen.useClass(code, declClass);
 			}
 			code.add('.');
 		}
-		FieldNode fieldNode = clsGen.getClassNode().dex().resolveField(field);
+		FieldNode fieldNode = clsGen.getClassNode().dex().root().deepResolveField(field);
 		if (fieldNode != null) {
 			code.attachAnnotation(fieldNode);
 		}
-		code.add(field.getAlias());
+		if (fieldNode == null) {
+			code.add(field.getAlias());
+		} else {
+			code.add(fieldNode.getAlias());
+		}
 	}
 
 	protected void staticField(CodeWriter code, FieldInfo field) {
@@ -198,40 +217,51 @@ public class InsnGen {
 		mgen.getClassGen().useType(code, type);
 	}
 
-	public boolean makeInsn(InsnNode insn, CodeWriter code) throws CodegenException {
-		return makeInsn(insn, code, null);
+	public void makeInsn(InsnNode insn, CodeWriter code) throws CodegenException {
+		makeInsn(insn, code, null);
 	}
 
-	protected boolean makeInsn(InsnNode insn, CodeWriter code, Flags flag) throws CodegenException {
+	private static final Set<Flags> EMPTY_FLAGS = EnumSet.noneOf(Flags.class);
+	private static final Set<Flags> BODY_ONLY_FLAG = EnumSet.of(Flags.BODY_ONLY);
+	private static final Set<Flags> BODY_ONLY_NOWRAP_FLAGS = EnumSet.of(Flags.BODY_ONLY_NOWRAP);
+
+	protected void makeInsn(InsnNode insn, CodeWriter code, Flags flag) throws CodegenException {
 		try {
-			Set<Flags> state = EnumSet.noneOf(Flags.class);
 			if (flag == Flags.BODY_ONLY || flag == Flags.BODY_ONLY_NOWRAP) {
-				state.add(flag);
-				makeInsnBody(code, insn, state);
+				makeInsnBody(code, insn, flag == Flags.BODY_ONLY ? BODY_ONLY_FLAG : BODY_ONLY_NOWRAP_FLAGS);
 			} else {
 				if (flag != Flags.INLINE) {
 					code.startLineWithNum(insn.getSourceLine());
+					if (attachInsns) {
+						code.attachLineAnnotation(insn);
+					}
+					if (insn.contains(AFlag.COMMENT_OUT)) {
+						code.add("// ");
+					}
 				}
-				if (insn.getResult() != null && !insn.contains(AFlag.ARITH_ONEARG)) {
-					assignVar(code, insn);
-					code.add(" = ");
+				RegisterArg resArg = insn.getResult();
+				if (resArg != null) {
+					SSAVar var = resArg.getSVar();
+					if (var == null || var.getUseCount() != 0 || insn.getType() != InsnType.CONSTRUCTOR) {
+						assignVar(code, insn);
+						code.add(" = ");
+					}
 				}
-				makeInsnBody(code, insn, state);
+				makeInsnBody(code, insn, EMPTY_FLAGS);
 				if (flag != Flags.INLINE) {
 					code.add(';');
 				}
 			}
-		} catch (Throwable th) {
-			throw new CodegenException(mth, "Error generate insn: " + insn, th);
+		} catch (Exception e) {
+			throw new CodegenException(mth, "Error generate insn: " + insn, e);
 		}
-		return true;
 	}
 
 	private void makeInsnBody(CodeWriter code, InsnNode insn, Set<Flags> state) throws CodegenException {
 		switch (insn.getType()) {
 			case CONST_STR:
 				String str = ((ConstStringNode) insn).getString();
-				code.add(StringUtils.unescapeString(str));
+				code.add(mth.dex().root().getStringUtils().unescapeString(str));
 				break;
 
 			case CONST_CLASS:
@@ -269,18 +299,14 @@ public class InsnGen {
 				makeArith((ArithNode) insn, code, state);
 				break;
 
-			case NEG: {
-				boolean wrap = state.contains(Flags.BODY_ONLY);
-				if (wrap) {
-					code.add('(');
-				}
-				code.add('-');
-				addArg(code, insn.getArg(0));
-				if (wrap) {
-					code.add(')');
-				}
+			case NEG:
+				oneArgInsn(code, insn, state, '-');
+				break;
+
+			case NOT:
+				char op = insn.getArg(0).getType() == ArgType.BOOLEAN ? '!' : '~';
+				oneArgInsn(code, insn, state, op);
 				break;
-			}
 
 			case RETURN:
 				if (insn.getArgsCount() != 0) {
@@ -365,6 +391,17 @@ public class InsnGen {
 				filledNewArray((FilledNewArrayNode) insn, code);
 				break;
 
+			case FILL_ARRAY:
+				FillArrayNode arrayNode = (FillArrayNode) insn;
+				if (fallback) {
+					String arrStr = arrayNode.dataToString();
+					addArg(code, insn.getArg(0));
+					code.add(" = {").add(arrStr.substring(1, arrStr.length() - 1)).add("} // fill-array");
+				} else {
+					fillArray(code, arrayNode);
+				}
+				break;
+
 			case AGET:
 				addArg(code, insn.getArg(0));
 				code.add('[');
@@ -408,7 +445,7 @@ public class InsnGen {
 				if (wrap) {
 					code.add('(');
 				}
-				for (Iterator<InsnArg> it = insn.getArguments().iterator(); it.hasNext(); ) {
+				for (Iterator<InsnArg> it = insn.getArguments().iterator(); it.hasNext();) {
 					addArg(code, it.next());
 					if (it.hasNext()) {
 						code.add(" + ");
@@ -445,7 +482,7 @@ public class InsnGen {
 
 			/* fallback mode instructions */
 			case IF:
-				assert isFallback() : "if insn in not fallback mode";
+				fallbackOnlyInsn(insn);
 				IfNode ifInsn = (IfNode) insn;
 				code.add("if (");
 				addArg(code, insn.getArg(0));
@@ -456,17 +493,17 @@ public class InsnGen {
 				break;
 
 			case GOTO:
-				assert isFallback();
+				fallbackOnlyInsn(insn);
 				code.add("goto ").add(MethodGen.getLabelName(((GotoNode) insn).getTarget()));
 				break;
 
 			case MOVE_EXCEPTION:
-				assert isFallback();
+				fallbackOnlyInsn(insn);
 				code.add("move-exception");
 				break;
 
 			case SWITCH:
-				assert isFallback();
+				fallbackOnlyInsn(insn);
 				SwitchNode sw = (SwitchNode) insn;
 				code.add("switch(");
 				addArg(code, insn.getArg(0));
@@ -483,29 +520,20 @@ public class InsnGen {
 				code.startLine('}');
 				break;
 
-			case FILL_ARRAY:
-				assert isFallback();
-				FillArrayNode arrayNode = (FillArrayNode) insn;
-				Object data = arrayNode.getData();
-				String arrStr;
-				if (data instanceof int[]) {
-					arrStr = Arrays.toString((int[]) data);
-				} else if (data instanceof short[]) {
-					arrStr = Arrays.toString((short[]) data);
-				} else if (data instanceof byte[]) {
-					arrStr = Arrays.toString((byte[]) data);
-				} else if (data instanceof long[]) {
-					arrStr = Arrays.toString((long[]) data);
-				} else {
-					arrStr = "?";
-				}
-				code.add('{').add(arrStr.substring(1, arrStr.length() - 1)).add('}');
-				break;
-
 			case NEW_INSTANCE:
 				// only fallback - make new instance in constructor invoke
-				assert isFallback();
-				code.add("new " + insn.getResult().getType());
+				fallbackOnlyInsn(insn);
+				code.add("new ").add(insn.getResult().getInitType().toString());
+				break;
+
+			case PHI:
+				fallbackOnlyInsn(insn);
+				code.add(insn.getType().toString()).add('(');
+				for (InsnArg insnArg : insn.getArguments()) {
+					addArg(code, insnArg);
+					code.add(' ');
+				}
+				code.add(')');
 				break;
 
 			default:
@@ -513,9 +541,53 @@ public class InsnGen {
 		}
 	}
 
+	/**
+	 * In most cases must be combined with new array instructions.
+	 * Use one by one array fill (can be replaced with System.arrayCopy)
+	 */
+	private void fillArray(CodeWriter code, FillArrayNode arrayNode) throws CodegenException {
+		code.add("// fill-array-data instruction");
+		code.startLine();
+		List<LiteralArg> args = arrayNode.getLiteralArgs(arrayNode.getElementType());
+		InsnArg arrArg = arrayNode.getArg(0);
+		int len = args.size();
+		for (int i = 0; i < len; i++) {
+			if (i != 0) {
+				code.add(';');
+				code.startLine();
+			}
+			addArg(code, arrArg);
+			code.add('[').add(Integer.toString(i)).add("] = ").add(lit(args.get(i)));
+		}
+	}
+
+	private void oneArgInsn(CodeWriter code, InsnNode insn, Set<Flags> state, char op) throws CodegenException {
+		boolean wrap = state.contains(Flags.BODY_ONLY);
+		if (wrap) {
+			code.add('(');
+		}
+		code.add(op);
+		addArg(code, insn.getArg(0));
+		if (wrap) {
+			code.add(')');
+		}
+	}
+
+	private void fallbackOnlyInsn(InsnNode insn) throws CodegenException {
+		if (!fallback) {
+			String msg = insn.getType() + " instruction can be used only in fallback mode";
+			CodegenException e = new CodegenException(msg);
+			mth.addError(msg, e);
+			mth.getParentClass().getTopParentClass().add(AFlag.RESTART_CODEGEN);
+			throw e;
+		}
+	}
+
 	private void filledNewArray(FilledNewArrayNode insn, CodeWriter code) throws CodegenException {
-		code.add("new ");
-		useType(code, insn.getArrayType());
+		if (!insn.contains(AFlag.DECLARE_VAR)) {
+			code.add("new ");
+			useType(code, insn.getArrayType());
+		}
 		code.add('{');
 		int c = insn.getArgsCount();
 		for (int i = 0; i < c; i++) {
@@ -530,31 +602,9 @@ public class InsnGen {
 	private void makeConstructor(ConstructorInsn insn, CodeWriter code)
 			throws CodegenException {
 		ClassNode cls = mth.dex().resolveClass(insn.getClassType());
-		if (cls != null && cls.contains(AFlag.ANONYMOUS_CLASS) && !fallback) {
-			// anonymous class construction
-			ArgType parent;
-			if (cls.getInterfaces().size() == 1) {
-				parent = cls.getInterfaces().get(0);
-			} else {
-				parent = cls.getSuperClass();
-			}
-			cls.add(AFlag.DONT_GENERATE);
-			MethodNode defCtr = cls.getDefaultConstructor();
-			if (defCtr != null) {
-				if (RegionUtils.notEmpty(defCtr.getRegion())) {
-					defCtr.add(AFlag.ANONYMOUS_CONSTRUCTOR);
-				} else {
-					defCtr.add(AFlag.DONT_GENERATE);
-				}
-			}
-			code.add("new ");
-			if (parent == null) {
-				code.add("Object");
-			} else {
-				useClass(code, parent);
-			}
-			code.add("() ");
-			new ClassGen(cls, mgen.getClassGen().getParentGen()).addClassBody(code);
+		if (cls != null && cls.isAnonymous() && !fallback) {
+			cls.ensureProcessed();
+			inlineAnonymousConstructor(code, cls, insn);
 			return;
 		}
 		if (insn.isSelf()) {
@@ -567,20 +617,72 @@ public class InsnGen {
 		} else {
 			code.add("new ");
 			useClass(code, insn.getClassType());
+			ArgType argType = insn.getResult().getSVar().getCodeVar().getType();
+			boolean genericCls = cls == null || !cls.getGenerics().isEmpty();
+			if (argType != null
+					&& argType.getGenericTypes() != null
+					&& genericCls) {
+				code.add('<');
+				if (insn.contains(AFlag.EXPLICIT_GENERICS)) {
+					boolean first = true;
+					for (ArgType type : argType.getGenericTypes()) {
+						if (!first) {
+							code.add(',');
+						}
+						mgen.getClassGen().useType(code, type);
+						first = false;
+					}
+				}
+				code.add('>');
+			}
 		}
-		generateMethodArguments(code, insn, 0, mth.dex().resolveMethod(insn.getCallMth()));
+		MethodNode callMth = mth.dex().resolveMethod(insn.getCallMth());
+		generateMethodArguments(code, insn, 0, callMth);
+	}
+
+	private void inlineAnonymousConstructor(CodeWriter code, ClassNode cls, ConstructorInsn insn) throws CodegenException {
+		if (this.mth.getParentClass() == cls) {
+			cls.remove(AFlag.ANONYMOUS_CLASS);
+			cls.remove(AFlag.DONT_GENERATE);
+			mth.getParentClass().getTopParentClass().add(AFlag.RESTART_CODEGEN);
+			throw new CodegenException("Anonymous inner class unlimited recursion detected."
+					+ " Convert class to inner: " + cls.getClassInfo().getFullName());
+		}
+
+		cls.add(AFlag.DONT_GENERATE);
+		ArgType parent;
+		if (cls.getInterfaces().size() == 1) {
+			parent = cls.getInterfaces().get(0);
+		} else {
+			parent = cls.getSuperClass();
+		}
+		// hide empty anonymous constructors
+		for (MethodNode ctor : cls.getMethods()) {
+			if (ctor.contains(AFlag.ANONYMOUS_CONSTRUCTOR)
+					&& RegionUtils.isEmpty(ctor.getRegion())) {
+				ctor.add(AFlag.DONT_GENERATE);
+			}
+		}
+
+		code.add("new ");
+		if (parent == null) {
+			code.add("Object");
+		} else {
+			useClass(code, parent);
+		}
+		MethodNode callMth = mth.dex().resolveMethod(insn.getCallMth());
+		generateMethodArguments(code, insn, 0, callMth);
+		code.add(' ');
+		new ClassGen(cls, mgen.getClassGen().getParentGen()).addClassBody(code);
 	}
 
 	private void makeInvoke(InvokeNode insn, CodeWriter code) throws CodegenException {
 		MethodInfo callMth = insn.getCallMth();
 
 		// inline method
-		MethodNode callMthNode = mth.dex().deepResolveMethod(callMth);
-		if (callMthNode != null) {
-			if (inlineMethod(callMthNode, insn, code)) {
-				return;
-			}
-			callMth = callMthNode.getMethodInfo();
+		MethodNode callMthNode = mth.root().deepResolveMethod(callMth);
+		if (callMthNode != null && inlineMethod(callMthNode, insn, code)) {
+			return;
 		}
 
 		int k = 0;
@@ -598,13 +700,18 @@ public class InsnGen {
 				break;
 
 			case SUPER:
+				ClassInfo superCallCls = getClassForSuperCall(code, callMth);
+				if (superCallCls != null) {
+					useClass(code, superCallCls);
+					code.add('.');
+				}
 				// use 'super' instead 'this' in 0 arg
 				code.add("super").add('.');
 				k++;
 				break;
 
 			case STATIC:
-				ClassInfo insnCls = mth.getParentClass().getAlias();
+				ClassInfo insnCls = mth.getParentClass().getClassInfo();
 				ClassInfo declClass = callMth.getDeclClass();
 				if (!insnCls.equals(declClass)) {
 					useClass(code, declClass);
@@ -614,11 +721,43 @@ public class InsnGen {
 		}
 		if (callMthNode != null) {
 			code.attachAnnotation(callMthNode);
+			code.add(callMthNode.getAlias());
+		} else {
+			code.add(callMth.getAlias());
 		}
-		code.add(callMth.getAlias());
 		generateMethodArguments(code, insn, k, callMthNode);
 	}
 
+	@Nullable
+	private ClassInfo getClassForSuperCall(CodeWriter code, MethodInfo callMth) {
+		ClassNode useCls = mth.getParentClass();
+		ClassInfo insnCls = useCls.getClassInfo();
+		ClassInfo declClass = callMth.getDeclClass();
+		if (insnCls.equals(declClass)) {
+			return null;
+		}
+		ClassNode topClass = useCls.getTopParentClass();
+		if (topClass.getClassInfo().equals(declClass)) {
+			return declClass;
+		}
+		// search call class
+		ClassNode nextParent = useCls;
+		do {
+			ClassInfo nextClsInfo = nextParent.getClassInfo();
+			if (nextClsInfo.equals(declClass)
+					|| ArgType.isInstanceOf(mth.root(), nextClsInfo.getType(), declClass.getType())) {
+				if (nextParent == useCls) {
+					return null;
+				}
+				return nextClsInfo;
+			}
+			nextParent = nextParent.getParentClass();
+		} while (nextParent != null && nextParent != topClass);
+
+		// search failed, just return parent class
+		return useCls.getParentClass().getClassInfo();
+	}
+
 	void generateMethodArguments(CodeWriter code, InsnNode insn, int startArgNum,
 			@Nullable MethodNode callMth) throws CodegenException {
 		int k = startArgNum;
@@ -627,37 +766,93 @@ public class InsnGen {
 		}
 		int argsCount = insn.getArgsCount();
 		code.add('(');
+		boolean firstArg = true;
 		if (k < argsCount) {
 			boolean overloaded = callMth != null && callMth.isArgsOverload();
 			for (int i = k; i < argsCount; i++) {
 				InsnArg arg = insn.getArg(i);
-				boolean cast = overloaded && processOverloadedArg(code, callMth, arg, i - startArgNum);
+				if (arg.contains(AFlag.SKIP_ARG)) {
+					continue;
+				}
+				if (SkipMethodArgsAttr.isSkip(callMth, i - startArgNum)) {
+					continue;
+				}
+				if (!firstArg) {
+					code.add(", ");
+				}
+				boolean cast = addArgCast(code, insn, callMth, arg, i - startArgNum, overloaded);
 				if (!cast && i == argsCount - 1 && processVarArg(code, callMth, arg)) {
 					continue;
 				}
 				addArg(code, arg, false);
-				if (i < argsCount - 1) {
-					code.add(", ");
-				}
+				firstArg = false;
 			}
 		}
 		code.add(')');
 	}
 
 	/**
-	 * Add additional cast for overloaded method argument.
+	 * Add additional cast for method argument.
 	 */
-	private boolean processOverloadedArg(CodeWriter code, MethodNode callMth, InsnArg arg, int origPos) {
-		ArgType origType = callMth.getMethodInfo().getArgumentsTypes().get(origPos);
-		if (!arg.getType().equals(origType)) {
+	private boolean addArgCast(CodeWriter code, InsnNode insn, @Nullable MethodNode callMth,
+			InsnArg arg, int origPos, boolean overloaded) {
+		ArgType castType = null;
+		if (callMth != null) {
+			List<ArgType> argTypes = callMth.getArgTypes();
+			ArgType origType = argTypes.get(origPos);
+			if (origType.isGenericType() && !callMth.getParentClass().equals(mth.getParentClass())) {
+				// cancel cast
+				return false;
+			}
+			if (insn instanceof CallMthInterface && origType.containsGenericType()) {
+				ArgType clsType;
+				CallMthInterface mthCall = (CallMthInterface) insn;
+				RegisterArg instanceArg = mthCall.getInstanceArg();
+				if (instanceArg != null) {
+					clsType = instanceArg.getType();
+				} else {
+					clsType = mthCall.getCallMth().getDeclClass().getType();
+				}
+				ArgType replacedType = TypeUtils.replaceClassGenerics(root, clsType, origType);
+				if (replacedType != null) {
+					castType = replacedType;
+				}
+				if (castType == null) {
+					ArgType invReplType = TypeUtils.replaceMethodGenerics(root, insn, origType);
+					if (invReplType != null) {
+						castType = invReplType;
+					}
+				}
+			}
+			if (castType == null) {
+				castType = origType;
+			}
+		} else {
+			castType = arg.getType();
+		}
+		// TODO: check castType for left type variables
+
+		if (isCastNeeded(arg, castType, overloaded)) {
 			code.add('(');
-			useType(code, origType);
+			useType(code, castType);
 			code.add(") ");
 			return true;
 		}
 		return false;
 	}
 
+	private boolean isCastNeeded(InsnArg arg, ArgType origType, boolean overloaded) {
+		ArgType argType = arg.getType();
+		if (arg.isLiteral() && ((LiteralArg) arg).getLiteral() == 0
+				&& (argType.isObject() || argType.isArray())) {
+			return true;
+		}
+		if (argType.equals(origType)) {
+			return false;
+		}
+		return overloaded;
+	}
+
 	/**
 	 * Expand varArgs from filled array.
 	 */
@@ -689,21 +884,30 @@ public class InsnGen {
 			return false;
 		}
 		InsnNode inl = mia.getInsn();
+		if (Consts.DEBUG) {
+			code.add("/* inline method: ").add(callMthNode.toString()).add("*/").startLine();
+		}
+		if (forceAssign(inl, insn, callMthNode)) {
+			ArgType varType = callMthNode.getReturnType();
+			useType(code, varType);
+			code.add(' ');
+			code.add(mgen.getNameGen().assignNamedArg(new NamedArg("unused", varType)));
+			code.add(" = ");
+		}
 		if (callMthNode.getMethodInfo().getArgumentsTypes().isEmpty()) {
 			makeInsn(inl, code, Flags.BODY_ONLY);
 		} else {
 			// remap args
 			InsnArg[] regs = new InsnArg[callMthNode.getRegsCount()];
-			List<RegisterArg> callArgs = callMthNode.getArguments(true);
-			for (int i = 0; i < callArgs.size(); i++) {
+			int[] regNums = mia.getArgsRegNums();
+			for (int i = 0; i < regNums.length; i++) {
 				InsnArg arg = insn.getArg(i);
-				RegisterArg callArg = callArgs.get(i);
-				regs[callArg.getRegNum()] = arg;
+				regs[regNums[i]] = arg;
 			}
 			// replace args
-			List<RegisterArg> inlArgs = new ArrayList<RegisterArg>();
-			inl.getRegisterArgs(inlArgs);
-			Map<RegisterArg, InsnArg> toRevert = new HashMap<RegisterArg, InsnArg>();
+			InsnNode inlCopy = inl.copy();
+			List<RegisterArg> inlArgs = new ArrayList<>();
+			inlCopy.getRegisterArgs(inlArgs);
 			for (RegisterArg r : inlArgs) {
 				int regNum = r.getRegNum();
 				if (regNum >= regs.length) {
@@ -713,20 +917,25 @@ public class InsnGen {
 					if (repl == null) {
 						LOG.warn("Not passed register {} in method call: {} from {}", r, callMthNode, mth);
 					} else {
-						inl.replaceArg(r, repl);
-						toRevert.put(r, repl);
+						inlCopy.replaceArg(r, repl);
 					}
 				}
 			}
-			makeInsn(inl, code, Flags.BODY_ONLY);
-			// revert changes in 'MethodInlineAttr'
-			for (Map.Entry<RegisterArg, InsnArg> e : toRevert.entrySet()) {
-				inl.replaceArg(e.getValue(), e.getKey());
-			}
+			makeInsn(inlCopy, code, Flags.BODY_ONLY);
 		}
 		return true;
 	}
 
+	private boolean forceAssign(InsnNode inlineInsn, InvokeNode parentInsn, MethodNode callMthNode) {
+		if (parentInsn.getResult() != null) {
+			return false;
+		}
+		if (parentInsn.contains(AFlag.WRAPPED)) {
+			return false;
+		}
+		return !callMthNode.getReturnType().equals(ArgType.VOID);
+	}
+
 	private void makeTernary(TernaryInsn insn, CodeWriter code, Set<Flags> state) throws CodegenException {
 		boolean wrap = state.contains(Flags.BODY_ONLY);
 		if (wrap) {
@@ -740,6 +949,7 @@ public class InsnGen {
 		} else {
 			condGen.wrap(code, insn.getCondition());
 			code.add(" ? ");
+			addCastIfNeeded(code, first, second);
 			addArg(code, first, false);
 			code.add(" : ");
 			addArg(code, second, false);
@@ -749,6 +959,33 @@ public class InsnGen {
 		}
 	}
 
+	private void addCastIfNeeded(CodeWriter code, InsnArg first, InsnArg second) {
+		if (first.isLiteral() && second.isLiteral()) {
+			if (first.getType() == ArgType.BYTE) {
+				long lit1 = ((LiteralArg) first).getLiteral();
+				long lit2 = ((LiteralArg) second).getLiteral();
+				if (lit1 != Byte.MAX_VALUE && lit1 != Byte.MIN_VALUE
+						&& lit2 != Byte.MAX_VALUE && lit2 != Byte.MIN_VALUE) {
+					code.add("(byte) ");
+				}
+			} else if (first.getType() == ArgType.SHORT) {
+				long lit1 = ((LiteralArg) first).getLiteral();
+				long lit2 = ((LiteralArg) second).getLiteral();
+				if (lit1 != Short.MAX_VALUE && lit1 != Short.MIN_VALUE
+						&& lit2 != Short.MAX_VALUE && lit2 != Short.MIN_VALUE) {
+					code.add("(short) ");
+				}
+			} else if (first.getType() == ArgType.CHAR) {
+				long lit1 = ((LiteralArg) first).getLiteral();
+				long lit2 = ((LiteralArg) second).getLiteral();
+				if (!NameMapper.isPrintableChar((char) (lit1))
+						&& !NameMapper.isPrintableChar((char) (lit2))) {
+					code.add("(char) ");
+				}
+			}
+		}
+	}
+
 	private void makeArith(ArithNode insn, CodeWriter code, Set<Flags> state) throws CodegenException {
 		if (insn.contains(AFlag.ARITH_ONEARG)) {
 			makeArithOneArg(insn, code);
@@ -771,19 +1008,22 @@ public class InsnGen {
 
 	private void makeArithOneArg(ArithNode insn, CodeWriter code) throws CodegenException {
 		ArithOp op = insn.getOp();
+		InsnArg resArg = insn.getArg(0);
 		InsnArg arg = insn.getArg(1);
+
 		// "++" or "--"
 		if (arg.isLiteral() && (op == ArithOp.ADD || op == ArithOp.SUB)) {
 			LiteralArg lit = (LiteralArg) arg;
-			if (lit.isInteger() && lit.getLiteral() == 1) {
-				assignVar(code, insn);
+			if (lit.getLiteral() == 1 && lit.isInteger()) {
+				addArg(code, resArg, false);
 				String opSymbol = op.getSymbol();
 				code.add(opSymbol).add(opSymbol);
 				return;
 			}
 		}
-		// +=, -= ...
-		assignVar(code, insn);
+
+		// +=, -=, ...
+		addArg(code, resArg, false);
 		code.add(' ').add(op.getSymbol()).add("= ");
 		addArg(code, arg, false);
 	}

jadx-core/src/main/java/jadx/core/codegen/MethodGen.java

@@ -1,24 +1,6 @@
 package jadx.core.codegen;
 
-import jadx.core.dex.attributes.AFlag;
-import jadx.core.dex.attributes.AType;
-import jadx.core.dex.attributes.annotations.MethodParameters;
-import jadx.core.dex.attributes.nodes.JadxErrorAttr;
-import jadx.core.dex.info.AccessInfo;
-import jadx.core.dex.instructions.InsnType;
-import jadx.core.dex.instructions.args.ArgType;
-import jadx.core.dex.instructions.args.RegisterArg;
-import jadx.core.dex.nodes.InsnNode;
-import jadx.core.dex.nodes.MethodNode;
-import jadx.core.dex.trycatch.CatchAttr;
-import jadx.core.dex.visitors.DepthTraversal;
-import jadx.core.dex.visitors.FallbackModeVisitor;
-import jadx.core.utils.ErrorsCounter;
-import jadx.core.utils.InsnUtils;
-import jadx.core.utils.Utils;
-import jadx.core.utils.exceptions.CodegenException;
-import jadx.core.utils.exceptions.DecodeException;
-
+import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
 
@@ -27,6 +9,30 @@ import org.slf4j.LoggerFactory;
 
 import com.android.dx.rop.code.AccessFlags;
 
+import jadx.core.Consts;
+import jadx.core.dex.attributes.AFlag;
+import jadx.core.dex.attributes.AType;
+import jadx.core.dex.attributes.annotations.MethodParameters;
+import jadx.core.dex.attributes.nodes.JumpInfo;
+import jadx.core.dex.info.AccessInfo;
+import jadx.core.dex.instructions.IfNode;
+import jadx.core.dex.instructions.InsnType;
+import jadx.core.dex.instructions.args.ArgType;
+import jadx.core.dex.instructions.args.CodeVar;
+import jadx.core.dex.instructions.args.RegisterArg;
+import jadx.core.dex.instructions.args.SSAVar;
+import jadx.core.dex.nodes.InsnNode;
+import jadx.core.dex.nodes.MethodNode;
+import jadx.core.dex.trycatch.CatchAttr;
+import jadx.core.dex.visitors.DepthTraversal;
+import jadx.core.dex.visitors.FallbackModeVisitor;
+import jadx.core.utils.CodeGenUtils;
+import jadx.core.utils.InsnUtils;
+import jadx.core.utils.Utils;
+import jadx.core.utils.exceptions.CodegenException;
+import jadx.core.utils.exceptions.DecodeException;
+import jadx.core.utils.exceptions.JadxOverflowException;
+
 public class MethodGen {
 	private static final Logger LOG = LoggerFactory.getLogger(MethodGen.class);
 
@@ -56,8 +62,8 @@ public class MethodGen {
 
 	public boolean addDefinition(CodeWriter code) {
 		if (mth.getMethodInfo().isClassInit()) {
-			code.startLine("static");
 			code.attachDefinition(mth);
+			code.startLine("static");
 			return true;
 		}
 		if (mth.contains(AFlag.ANONYMOUS_CONSTRUCTOR)) {
@@ -79,120 +85,171 @@ public class MethodGen {
 		if (clsAccFlags.isAnnotation()) {
 			ai = ai.remove(AccessFlags.ACC_PUBLIC);
 		}
+
+		if (mth.getMethodInfo().hasAlias() && !ai.isConstructor()) {
+			CodeGenUtils.addRenamedComment(code, mth, mth.getName());
+		}
+		if (mth.contains(AFlag.INCONSISTENT_CODE)) {
+			code.startLine("/* Code decompiled incorrectly, please refer to instructions dump. */");
+		}
+
 		code.startLineWithNum(mth.getSourceLine());
 		code.add(ai.makeString());
+		if (Consts.DEBUG) {
+			code.add(mth.isVirtual() ? "/* virtual */ " : "/* direct */ ");
+		}
 
-		if (classGen.addGenericMap(code, mth.getGenericMap())) {
+		if (classGen.addGenericMap(code, mth.getGenerics(), false)) {
 			code.add(' ');
 		}
-		if (mth.getAccessFlags().isConstructor()) {
+		if (ai.isConstructor()) {
+			code.attachDefinition(mth);
 			code.add(classGen.getClassNode().getShortName()); // constructor
 		} else {
 			classGen.useType(code, mth.getReturnType());
 			code.add(' ');
+			code.attachDefinition(mth);
 			code.add(mth.getAlias());
 		}
 		code.add('(');
 
-		List<RegisterArg> args = mth.getArguments(false);
+		List<RegisterArg> args = mth.getArgRegs();
 		if (mth.getMethodInfo().isConstructor()
 				&& mth.getParentClass().contains(AType.ENUM_CLASS)) {
 			if (args.size() == 2) {
-				args.clear();
+				args = Collections.emptyList();
 			} else if (args.size() > 2) {
 				args = args.subList(2, args.size());
 			} else {
-				LOG.warn(ErrorsCounter.formatErrorMsg(mth,
-						"Incorrect number of args for enum constructor: " + args.size()
-								+ " (expected >= 2)"
-				));
+				mth.addComment("JADX WARN: Incorrect number of args for enum constructor: " + args.size() + " (expected >= 2)");
 			}
+		} else if (mth.contains(AFlag.SKIP_FIRST_ARG)) {
+			args = args.subList(1, args.size());
 		}
 		addMethodArguments(code, args);
 		code.add(')');
 
 		annotationGen.addThrows(mth, code);
-		code.attachDefinition(mth);
+
+		// add default value if in annotation class
+		if (mth.getParentClass().getAccessFlags().isAnnotation()) {
+			Object def = annotationGen.getAnnotationDefaultValue(mth.getName());
+			if (def != null) {
+				code.add(" default ");
+				annotationGen.encodeValue(code, def);
+			}
+		}
 		return true;
 	}
 
-	private void addMethodArguments(CodeWriter argsCode, List<RegisterArg> args) {
+	private void addMethodArguments(CodeWriter code, List<RegisterArg> args) {
 		MethodParameters paramsAnnotation = mth.get(AType.ANNOTATION_MTH_PARAMETERS);
 		int i = 0;
-		for (Iterator<RegisterArg> it = args.iterator(); it.hasNext(); ) {
-			RegisterArg arg = it.next();
+		Iterator<RegisterArg> it = args.iterator();
+		while (it.hasNext()) {
+			RegisterArg mthArg = it.next();
+			SSAVar ssaVar = mthArg.getSVar();
+			CodeVar var;
+			if (ssaVar == null) {
+				// null for abstract or interface methods
+				var = CodeVar.fromMthArg(mthArg);
+			} else {
+				var = ssaVar.getCodeVar();
+			}
 
 			// add argument annotation
 			if (paramsAnnotation != null) {
-				annotationGen.addForParameter(argsCode, paramsAnnotation, i);
+				annotationGen.addForParameter(code, paramsAnnotation, i);
+			}
+			if (var.isFinal()) {
+				code.add("final ");
+			}
+			ArgType argType;
+			ArgType varType = var.getType();
+			if (varType == null || varType == ArgType.UNKNOWN) {
+				// occur on decompilation errors
+				argType = mthArg.getInitType();
+			} else {
+				argType = varType;
 			}
 			if (!it.hasNext() && mth.getAccessFlags().isVarArgs()) {
 				// change last array argument to varargs
-				ArgType type = arg.getType();
-				if (type.isArray()) {
-					ArgType elType = type.getArrayElement();
-					classGen.useType(argsCode, elType);
-					argsCode.add("...");
+				if (argType.isArray()) {
+					ArgType elType = argType.getArrayElement();
+					classGen.useType(code, elType);
+					code.add("...");
 				} else {
-					LOG.warn(ErrorsCounter.formatErrorMsg(mth, "Last argument in varargs method not array"));
-					classGen.useType(argsCode, arg.getType());
+					mth.addComment("JADX INFO: Last argument in varargs method is not array: " + var);
+					classGen.useType(code, argType);
 				}
 			} else {
-				classGen.useType(argsCode, arg.getType());
+				classGen.useType(code, argType);
 			}
-			argsCode.add(' ');
-			argsCode.add(nameGen.assignArg(arg));
+			code.add(' ');
+			code.add(nameGen.assignArg(var));
 
 			i++;
 			if (it.hasNext()) {
-				argsCode.add(", ");
+				code.add(", ");
 			}
 		}
 	}
 
 	public void addInstructions(CodeWriter code) throws CodegenException {
-		if (mth.contains(AType.JADX_ERROR)
-				|| mth.contains(AFlag.INCONSISTENT_CODE)
-				|| mth.getRegion() == null) {
-			JadxErrorAttr err = mth.get(AType.JADX_ERROR);
-			if (err != null) {
-				code.startLine("/* JADX: method processing error */");
-				Throwable cause = err.getCause();
-				if (cause != null) {
-					code.newLine();
-					code.add("/*");
-					code.startLine("Error: ").add(Utils.getStackTrace(cause));
-					code.add("*/");
-				}
-			}
-			code.startLine("/*");
+		if (mth.root().getArgs().isFallbackMode()) {
 			addFallbackMethodCode(code);
-			code.startLine("*/");
-
-			code.startLine("throw new UnsupportedOperationException(\"Method not decompiled: ")
-					.add(mth.toString())
-					.add("\");");
+		} else if (classGen.isFallbackMode()) {
+			dumpInstructions(code);
 		} else {
+			addRegionInsns(code);
+		}
+	}
+
+	public void addRegionInsns(CodeWriter code) throws CodegenException {
+		try {
 			RegionGen regionGen = new RegionGen(this);
 			regionGen.makeRegion(code, mth.getRegion());
+		} catch (StackOverflowError | BootstrapMethodError e) {
+			mth.addError("Method code generation error", new JadxOverflowException("StackOverflow"));
+			classGen.insertDecompilationProblems(code, mth);
+			dumpInstructions(code);
+		} catch (Exception e) {
+			if (mth.getParentClass().getTopParentClass().contains(AFlag.RESTART_CODEGEN)) {
+				throw e;
+			}
+			mth.addError("Method code generation error", e);
+			classGen.insertDecompilationProblems(code, mth);
+			dumpInstructions(code);
 		}
 	}
 
+	public void dumpInstructions(CodeWriter code) {
+		code.startLine("/*");
+		addFallbackMethodCode(code);
+		code.startLine("*/");
+
+		code.startLine("throw new UnsupportedOperationException(\"Method not decompiled: ")
+				.add(mth.getParentClass().getClassInfo().getAliasFullName())
+				.add('.')
+				.add(mth.getAlias())
+				.add('(')
+				.add(Utils.listToString(mth.getMethodInfo().getArgumentsTypes()))
+				.add("):")
+				.add(mth.getMethodInfo().getReturnType().toString())
+				.add("\");");
+	}
+
 	public void addFallbackMethodCode(CodeWriter code) {
 		if (mth.getInstructions() == null) {
-			JadxErrorAttr errorAttr = mth.get(AType.JADX_ERROR);
-			if (errorAttr == null
-					|| errorAttr.getCause() == null
-					|| !errorAttr.getCause().getClass().equals(DecodeException.class)) {
-				// load original instructions
-				try {
-					mth.load();
-					DepthTraversal.visit(new FallbackModeVisitor(), mth);
-				} catch (DecodeException e) {
-					LOG.error("Error reload instructions in fallback mode:", e);
-					code.startLine("// Can't load method instructions: " + e.getMessage());
-					return;
-				}
+			// load original instructions
+			try {
+				mth.unload();
+				mth.load();
+				DepthTraversal.visit(new FallbackModeVisitor(), mth);
+			} catch (DecodeException e) {
+				LOG.error("Error reload instructions in fallback mode:", e);
+				code.startLine("// Can't load method instructions: " + e.getMessage());
+				return;
 			}
 		}
 		InsnNode[] insnArr = mth.getInstructions();
@@ -200,47 +257,85 @@ public class MethodGen {
 			code.startLine("// Can't load method instructions.");
 			return;
 		}
+		code.incIndent();
 		if (mth.getThisArg() != null) {
 			code.startLine(nameGen.useArg(mth.getThisArg())).add(" = this;");
 		}
 		addFallbackInsns(code, mth, insnArr, true);
+		code.decIndent();
 	}
 
 	public static void addFallbackInsns(CodeWriter code, MethodNode mth, InsnNode[] insnArr, boolean addLabels) {
 		InsnGen insnGen = new InsnGen(getFallbackMethodGen(mth), true);
+		boolean attachInsns = mth.root().getArgs().isJsonOutput();
+		InsnNode prevInsn = null;
 		for (InsnNode insn : insnArr) {
-			if (insn == null || insn.getType() == InsnType.NOP) {
+			if (insn == null) {
 				continue;
 			}
-			if (addLabels && (insn.contains(AType.JUMP) || insn.contains(AType.EXC_HANDLER))) {
+			if (addLabels && needLabel(insn, prevInsn)) {
 				code.decIndent();
-				code.startLine(getLabelName(insn.getOffset()) + ":");
+				code.startLine(getLabelName(insn.getOffset()) + ':');
 				code.incIndent();
 			}
+			if (insn.getType() == InsnType.NOP) {
+				continue;
+			}
 			try {
-				if (insnGen.makeInsn(insn, code)) {
-					CatchAttr catchAttr = insn.get(AType.CATCH_BLOCK);
-					if (catchAttr != null) {
-						code.add("\t " + catchAttr);
+				code.startLine();
+				if (attachInsns) {
+					code.attachLineAnnotation(insn);
+				}
+				RegisterArg resArg = insn.getResult();
+				if (resArg != null) {
+					ArgType varType = resArg.getInitType();
+					if (varType.isTypeKnown()) {
+						code.add(varType.toString()).add(' ');
 					}
 				}
+				insnGen.makeInsn(insn, code, InsnGen.Flags.INLINE);
+				CatchAttr catchAttr = insn.get(AType.CATCH_BLOCK);
+				if (catchAttr != null) {
+					code.add("     // " + catchAttr);
+				}
 			} catch (CodegenException e) {
 				LOG.debug("Error generate fallback instruction: ", e.getCause());
 				code.startLine("// error: " + insn);
 			}
+			prevInsn = insn;
 		}
 	}
 
+	private static boolean needLabel(InsnNode insn, InsnNode prevInsn) {
+		if (insn.contains(AType.EXC_HANDLER)) {
+			return true;
+		}
+		if (insn.contains(AType.JUMP)) {
+			// don't add label for ifs else branch
+			if (prevInsn != null && prevInsn.getType() == InsnType.IF) {
+				List<JumpInfo> jumps = insn.getAll(AType.JUMP);
+				if (jumps.size() == 1) {
+					JumpInfo jump = jumps.get(0);
+					if (jump.getSrc() == prevInsn.getOffset() && jump.getDest() == insn.getOffset()) {
+						int target = ((IfNode) prevInsn).getTarget();
+						return insn.getOffset() == target;
+					}
+				}
+			}
+			return true;
+		}
+		return false;
+	}
+
 	/**
 	 * Return fallback variant of method codegen
 	 */
 	public static MethodGen getFallbackMethodGen(MethodNode mth) {
-		ClassGen clsGen = new ClassGen(mth.getParentClass(), null, true, true);
+		ClassGen clsGen = new ClassGen(mth.getParentClass(), null, false, true, true);
 		return new MethodGen(clsGen, mth);
 	}
 
 	public static String getLabelName(int offset) {
 		return "L_" + InsnUtils.formatOffset(offset);
 	}
-
 }

jadx-core/src/main/java/jadx/core/codegen/NameGen.java

@@ -1,5 +1,10 @@
 package jadx.core.codegen;
 
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
 import jadx.core.Consts;
 import jadx.core.deobf.NameMapper;
 import jadx.core.dex.attributes.nodes.LoopLabelAttr;
@@ -7,58 +12,72 @@ import jadx.core.dex.info.ClassInfo;
 import jadx.core.dex.info.MethodInfo;
 import jadx.core.dex.instructions.InvokeNode;
 import jadx.core.dex.instructions.args.ArgType;
+import jadx.core.dex.instructions.args.CodeVar;
 import jadx.core.dex.instructions.args.InsnArg;
 import jadx.core.dex.instructions.args.InsnWrapArg;
 import jadx.core.dex.instructions.args.NamedArg;
 import jadx.core.dex.instructions.args.RegisterArg;
 import jadx.core.dex.instructions.args.SSAVar;
 import jadx.core.dex.instructions.mods.ConstructorInsn;
+import jadx.core.dex.nodes.ClassNode;
+import jadx.core.dex.nodes.FieldNode;
 import jadx.core.dex.nodes.InsnNode;
 import jadx.core.dex.nodes.MethodNode;
 import jadx.core.utils.StringUtils;
-
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
+import jadx.core.utils.Utils;
 
 public class NameGen {
 
 	private static final Map<String, String> OBJ_ALIAS;
 
-	private final Set<String> varNames = new HashSet<String>();
+	private final Set<String> varNames = new HashSet<>();
 	private final MethodNode mth;
 	private final boolean fallback;
 
 	static {
-		OBJ_ALIAS = new HashMap<String, String>();
-		OBJ_ALIAS.put(Consts.CLASS_STRING, "str");
-		OBJ_ALIAS.put(Consts.CLASS_CLASS, "cls");
-		OBJ_ALIAS.put(Consts.CLASS_THROWABLE, "th");
-		OBJ_ALIAS.put(Consts.CLASS_OBJECT, "obj");
-		OBJ_ALIAS.put("java.util.Iterator", "it");
-		OBJ_ALIAS.put("java.lang.Boolean", "bool");
-		OBJ_ALIAS.put("java.lang.Short", "sh");
-		OBJ_ALIAS.put("java.lang.Integer", "num");
-		OBJ_ALIAS.put("java.lang.Character", "ch");
-		OBJ_ALIAS.put("java.lang.Byte", "b");
-		OBJ_ALIAS.put("java.lang.Float", "f");
-		OBJ_ALIAS.put("java.lang.Long", "l");
-		OBJ_ALIAS.put("java.lang.Double", "d");
+		OBJ_ALIAS = Utils.newConstStringMap(
+				Consts.CLASS_STRING, "str",
+				Consts.CLASS_CLASS, "cls",
+				Consts.CLASS_THROWABLE, "th",
+				Consts.CLASS_OBJECT, "obj",
+				"java.util.Iterator", "it",
+				"java.lang.Boolean", "bool",
+				"java.lang.Short", "sh",
+				"java.lang.Integer", "num",
+				"java.lang.Character", "ch",
+				"java.lang.Byte", "b",
+				"java.lang.Float", "f",
+				"java.lang.Long", "l",
+				"java.lang.Double", "d",
+				"java.lang.StringBuilder", "sb",
+				"java.lang.Exception", "exc");
 	}
 
 	public NameGen(MethodNode mth, boolean fallback) {
 		this.mth = mth;
 		this.fallback = fallback;
+		addNamesUsedInClass();
 	}
 
-	public String assignArg(RegisterArg arg) {
-		String name = makeArgName(arg);
+	private void addNamesUsedInClass() {
+		ClassNode parentClass = mth.getParentClass();
+		for (FieldNode field : parentClass.getFields()) {
+			varNames.add(field.getAlias());
+		}
+		for (ClassNode innerClass : parentClass.getInnerClasses()) {
+			varNames.add(innerClass.getClassInfo().getAliasShortName());
+		}
+		// add all root package names to avoid collisions with full class names
+		varNames.addAll(mth.root().getCacheStorage().getRootPkgs());
+	}
+
+	public String assignArg(CodeVar var) {
+		String name = makeArgName(var);
 		if (fallback) {
 			return name;
 		}
 		name = getUniqueVarName(name);
-		arg.setName(name);
+		var.setName(name);
 		return name;
 	}
 
@@ -98,54 +117,67 @@ public class NameGen {
 		return r;
 	}
 
-	private String makeArgName(RegisterArg arg) {
+	private String makeArgName(CodeVar var) {
 		if (fallback) {
-			return getFallbackName(arg);
+			return getFallbackName(var);
 		}
-		String name = arg.getName();
-		String varName;
-		if (name != null) {
-			if ("this".equals(name)) {
-				return name;
-			}
-			varName = name;
-		} else {
-			varName = guessName(arg);
+		if (var.isThis()) {
+			return RegisterArg.THIS_ARG_NAME;
 		}
+		String name = var.getName();
+		String varName = name != null ? name : guessName(var);
 		if (NameMapper.isReserved(varName)) {
-			return varName + "R";
+			varName = varName + 'R';
+		}
+		if (!NameMapper.isValidAndPrintable(varName)) {
+			varName = getFallbackName(var);
+		}
+		if (Consts.DEBUG) {
+			varName += '_' + getFallbackName(var);
 		}
 		return varName;
 	}
 
+	private String getFallbackName(CodeVar var) {
+		List<SSAVar> ssaVars = var.getSsaVars();
+		if (ssaVars.isEmpty()) {
+			return "v";
+		}
+		return getFallbackName(ssaVars.get(0).getAssign());
+	}
+
 	private String getFallbackName(RegisterArg arg) {
 		return "r" + arg.getRegNum();
 	}
 
-	private String guessName(RegisterArg arg) {
-		SSAVar sVar = arg.getSVar();
-		if (sVar != null && sVar.getName() == null) {
-			RegisterArg assignArg = sVar.getAssign();
-			InsnNode assignInsn = assignArg.getParentInsn();
-			if (assignInsn != null) {
-				String name = makeNameFromInsn(assignInsn);
-				if (name != null && !NameMapper.isReserved(name)) {
-					assignArg.setName(name);
-					return name;
+	private String guessName(CodeVar var) {
+		List<SSAVar> ssaVars = var.getSsaVars();
+		if (ssaVars != null && !ssaVars.isEmpty()) {
+			// TODO: use all vars for better name generation
+			SSAVar ssaVar = ssaVars.get(0);
+			if (ssaVar != null && ssaVar.getName() == null) {
+				RegisterArg assignArg = ssaVar.getAssign();
+				InsnNode assignInsn = assignArg.getParentInsn();
+				if (assignInsn != null) {
+					String name = makeNameFromInsn(assignInsn);
+					if (name != null && !NameMapper.isReserved(name)) {
+						assignArg.setName(name);
+						return name;
+					}
 				}
 			}
 		}
-		return makeNameForType(arg.getType());
+		return makeNameForType(var.getType());
 	}
 
 	private String makeNameForType(ArgType type) {
 		if (type.isPrimitive()) {
 			return makeNameForPrimitive(type);
-		} else if (type.isArray()) {
-			return makeNameForType(type.getArrayRootElement()) + "Arr";
-		} else {
-			return makeNameForObject(type);
 		}
+		if (type.isArray()) {
+			return makeNameForType(type.getArrayRootElement()) + "Arr";
+		}
+		return makeNameForObject(type);
 	}
 
 	private static String makeNameForPrimitive(ArgType type) {
@@ -153,17 +185,23 @@ public class NameGen {
 	}
 
 	private String makeNameForObject(ArgType type) {
+		if (type.isGenericType()) {
+			return StringUtils.escape(type.getObject().toLowerCase());
+		}
 		if (type.isObject()) {
 			String alias = getAliasForObject(type.getObject());
 			if (alias != null) {
 				return alias;
 			}
-			ClassInfo extClsInfo = ClassInfo.extCls(mth.dex(), type);
+			ClassInfo extClsInfo = ClassInfo.fromType(mth.root(), type);
 			String shortName = extClsInfo.getShortName();
 			String vName = fromName(shortName);
 			if (vName != null) {
 				return vName;
 			}
+			if (shortName != null) {
+				return StringUtils.escape(shortName.toLowerCase());
+			}
 		}
 		return StringUtils.escape(type.toString());
 	}
@@ -228,16 +266,19 @@ public class NameGen {
 		if (name.startsWith("get") || name.startsWith("set")) {
 			return fromName(name.substring(3));
 		}
-		ArgType declType = callMth.getDeclClass().getAlias().getType();
 		if ("iterator".equals(name)) {
 			return "it";
 		}
+		ArgType declType = callMth.getDeclClass().getType();
 		if ("toString".equals(name)) {
 			return makeNameForType(declType);
 		}
 		if ("forName".equals(name) && declType.equals(ArgType.CLASS)) {
 			return OBJ_ALIAS.get(Consts.CLASS_CLASS);
 		}
+		if (name.startsWith("to")) {
+			return fromName(name.substring(2));
+		}
 		return name;
 	}
 }

jadx-core/src/main/java/jadx/core/codegen/RegionGen.java

@@ -1,11 +1,21 @@
 package jadx.core.codegen;
 
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import jadx.core.dex.attributes.AFlag;
 import jadx.core.dex.attributes.AType;
 import jadx.core.dex.attributes.nodes.DeclareVariablesAttr;
 import jadx.core.dex.attributes.nodes.ForceReturnAttr;
 import jadx.core.dex.attributes.nodes.LoopLabelAttr;
+import jadx.core.dex.info.ClassInfo;
 import jadx.core.dex.instructions.SwitchNode;
+import jadx.core.dex.instructions.args.CodeVar;
 import jadx.core.dex.instructions.args.InsnArg;
 import jadx.core.dex.instructions.args.NamedArg;
 import jadx.core.dex.instructions.args.RegisterArg;
@@ -15,7 +25,7 @@ import jadx.core.dex.nodes.IBlock;
 import jadx.core.dex.nodes.IContainer;
 import jadx.core.dex.nodes.IRegion;
 import jadx.core.dex.nodes.InsnNode;
-import jadx.core.dex.nodes.parser.FieldValueAttr;
+import jadx.core.dex.nodes.parser.FieldInitAttr;
 import jadx.core.dex.regions.Region;
 import jadx.core.dex.regions.SwitchRegion;
 import jadx.core.dex.regions.SynchronizedRegion;
@@ -27,17 +37,12 @@ import jadx.core.dex.regions.loops.ForLoop;
 import jadx.core.dex.regions.loops.LoopRegion;
 import jadx.core.dex.regions.loops.LoopType;
 import jadx.core.dex.trycatch.ExceptionHandler;
+import jadx.core.utils.BlockUtils;
 import jadx.core.utils.ErrorsCounter;
 import jadx.core.utils.RegionUtils;
 import jadx.core.utils.exceptions.CodegenException;
 import jadx.core.utils.exceptions.JadxRuntimeException;
 
-import java.util.List;
-import java.util.Map;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 public class RegionGen extends InsnGen {
 	private static final Logger LOG = LoggerFactory.getLogger(RegionGen.class);
 
@@ -73,7 +78,7 @@ public class RegionGen extends InsnGen {
 	private void declareVars(CodeWriter code, IContainer cont) {
 		DeclareVariablesAttr declVars = cont.get(AType.DECLARE_VARIABLES);
 		if (declVars != null) {
-			for (RegisterArg v : declVars.getVars()) {
+			for (CodeVar v : declVars.getVars()) {
 				code.startLine();
 				declareVar(code, v);
 				code.add(';');
@@ -95,8 +100,12 @@ public class RegionGen extends InsnGen {
 	}
 
 	private void makeSimpleBlock(IBlock block, CodeWriter code) throws CodegenException {
+		if (block.contains(AFlag.DONT_GENERATE)) {
+			return;
+		}
+
 		for (InsnNode insn : block.getInstructions()) {
-			if (!insn.contains(AFlag.SKIP)) {
+			if (!insn.contains(AFlag.DONT_GENERATE)) {
 				makeInsn(insn, code);
 			}
 		}
@@ -112,21 +121,44 @@ public class RegionGen extends InsnGen {
 		} else {
 			code.attachSourceLine(region.getSourceLine());
 		}
+		if (attachInsns) {
+			List<BlockNode> conditionBlocks = region.getConditionBlocks();
+			if (!conditionBlocks.isEmpty()) {
+				BlockNode blockNode = conditionBlocks.get(0);
+				InsnNode lastInsn = BlockUtils.getLastInsn(blockNode);
+				if (lastInsn != null) {
+					code.attachLineAnnotation(lastInsn);
+				}
+			}
+		}
+		boolean comment = region.contains(AFlag.COMMENT_OUT);
+		if (comment) {
+			code.add("// ");
+		}
+
 		code.add("if (");
 		new ConditionGen(this).add(code, region.getCondition());
 		code.add(") {");
 		makeRegionIndent(code, region.getThenRegion());
-		code.startLine('}');
+		if (comment) {
+			code.startLine("// }");
+		} else {
+			code.startLine('}');
+		}
 
 		IContainer els = region.getElseRegion();
-		if (els != null && RegionUtils.notEmpty(els)) {
+		if (RegionUtils.notEmpty(els)) {
 			code.add(" else ");
 			if (connectElseIf(code, els)) {
 				return;
 			}
 			code.add('{');
 			makeRegionIndent(code, els);
-			code.startLine('}');
+			if (comment) {
+				code.startLine("// }");
+			} else {
+				code.startLine('}');
+			}
 		}
 	}
 
@@ -134,17 +166,16 @@ public class RegionGen extends InsnGen {
 	 * Connect if-else-if block
 	 */
 	private boolean connectElseIf(CodeWriter code, IContainer els) throws CodegenException {
-		if (!els.contains(AFlag.ELSE_IF_CHAIN)) {
-			return false;
-		}
-		if (!(els instanceof Region)) {
-			return false;
-		}
-		List<IContainer> subBlocks = ((Region) els).getSubBlocks();
-		if (subBlocks.size() == 1
-				&& subBlocks.get(0) instanceof IfRegion) {
-			makeIf((IfRegion) subBlocks.get(0), code, false);
-			return true;
+		if (els.contains(AFlag.ELSE_IF_CHAIN) && els instanceof Region) {
+			List<IContainer> subBlocks = ((Region) els).getSubBlocks();
+			if (subBlocks.size() == 1) {
+				IContainer elseBlock = subBlocks.get(0);
+				if (elseBlock instanceof IfRegion) {
+					declareVars(code, elseBlock);
+					makeIf((IfRegion) elseBlock, code, false);
+					return true;
+				}
+			}
 		}
 		return false;
 	}
@@ -154,7 +185,7 @@ public class RegionGen extends InsnGen {
 		if (header != null) {
 			List<InsnNode> headerInsns = header.getInstructions();
 			if (headerInsns.size() > 1) {
-				ErrorsCounter.methodError(mth, "Found not inlined instructions from loop header");
+				ErrorsCounter.methodWarn(mth, "Found not inlined instructions from loop header");
 				int last = headerInsns.size() - 1;
 				for (int i = 0; i < last; i++) {
 					InsnNode insn = headerInsns.get(i);
@@ -207,11 +238,13 @@ public class RegionGen extends InsnGen {
 		if (region.isConditionAtEnd()) {
 			code.startLine("do {");
 			makeRegionIndent(code, region.getBody());
-			code.startLine("} while (");
+			code.startLineWithNum(region.getConditionSourceLine());
+			code.add("} while (");
 			conditionGen.add(code, condition);
 			code.add(");");
 		} else {
-			code.startLine("while (");
+			code.startLineWithNum(region.getConditionSourceLine());
+			code.add("while (");
 			conditionGen.add(code, condition);
 			code.add(") {");
 			makeRegionIndent(code, region.getBody());
@@ -229,7 +262,8 @@ public class RegionGen extends InsnGen {
 	}
 
 	private CodeWriter makeSwitch(SwitchRegion sw, CodeWriter code) throws CodegenException {
-		SwitchNode insn = (SwitchNode) sw.getHeader().getInstructions().get(0);
+		SwitchNode insn = (SwitchNode) BlockUtils.getLastInsn(sw.getHeader());
+		Objects.requireNonNull(insn, "Switch insn not found in header");
 		InsnArg arg = insn.getArg(0);
 		code.startLine("switch (");
 		addArg(code, arg, false);
@@ -249,13 +283,13 @@ public class RegionGen extends InsnGen {
 					} else {
 						staticField(code, fn.getFieldInfo());
 						// print original value, sometimes replace with incorrect field
-						FieldValueAttr valueAttr = fn.get(AType.FIELD_VALUE);
+						FieldInitAttr valueAttr = fn.get(AType.FIELD_INIT);
 						if (valueAttr != null && valueAttr.getValue() != null) {
 							code.add(" /*").add(valueAttr.getValue().toString()).add("*/");
 						}
 					}
 				} else if (k instanceof Integer) {
-					code.add(TypeGen.literalToString((Integer) k, arg.getType()));
+					code.add(TypeGen.literalToString((Integer) k, arg.getType(), mth, fallback));
 				} else {
 					throw new JadxRuntimeException("Unexpected key in switch: " + (k != null ? k.getClass() : null));
 				}
@@ -305,16 +339,24 @@ public class RegionGen extends InsnGen {
 			return;
 		}
 		code.startLine("} catch (");
+		if (handler.isCatchAll()) {
+			code.add("Throwable");
+		} else {
+			Iterator<ClassInfo> it = handler.getCatchTypes().iterator();
+			if (it.hasNext()) {
+				useClass(code, it.next());
+			}
+			while (it.hasNext()) {
+				code.add(" | ");
+				useClass(code, it.next());
+			}
+		}
+		code.add(' ');
 		InsnArg arg = handler.getArg();
 		if (arg instanceof RegisterArg) {
-			declareVar(code, (RegisterArg) arg);
+			RegisterArg reg = (RegisterArg) arg;
+			code.add(mgen.getNameGen().assignArg(reg.getSVar().getCodeVar()));
 		} else if (arg instanceof NamedArg) {
-			if (handler.isCatchAll()) {
-				code.add("Throwable");
-			} else {
-				useClass(code, handler.getCatchType());
-			}
-			code.add(' ');
 			code.add(mgen.getNameGen().assignNamedArg((NamedArg) arg));
 		}
 		code.add(") {");

jadx-core/src/main/java/jadx/core/codegen/TypeGen.java

@@ -1,14 +1,18 @@
 package jadx.core.codegen;
 
-import jadx.core.dex.instructions.args.ArgType;
-import jadx.core.dex.instructions.args.PrimitiveType;
-import jadx.core.utils.StringUtils;
-import jadx.core.utils.Utils;
-import jadx.core.utils.exceptions.JadxRuntimeException;
-
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import jadx.core.deobf.NameMapper;
+import jadx.core.dex.attributes.AFlag;
+import jadx.core.dex.instructions.args.ArgType;
+import jadx.core.dex.instructions.args.LiteralArg;
+import jadx.core.dex.instructions.args.PrimitiveType;
+import jadx.core.dex.nodes.IDexNode;
+import jadx.core.utils.StringUtils;
+import jadx.core.utils.Utils;
+import jadx.core.utils.exceptions.JadxRuntimeException;
+
 public class TypeGen {
 	private static final Logger LOG = LoggerFactory.getLogger(TypeGen.class);
 
@@ -26,18 +30,39 @@ public class TypeGen {
 		return stype.getShortName();
 	}
 
+	/**
+	 * Convert literal arg to string (preferred method)
+	 */
+	public static String literalToString(LiteralArg arg, IDexNode dexNode, boolean fallback) {
+		return literalToString(arg.getLiteral(), arg.getType(),
+				dexNode.root().getStringUtils(),
+				fallback,
+				arg.contains(AFlag.EXPLICIT_PRIMITIVE_TYPE));
+	}
+
 	/**
 	 * Convert literal value to string according to value type
 	 *
 	 * @throws JadxRuntimeException for incorrect type or literal value
 	 */
-	public static String literalToString(long lit, ArgType type) {
+	public static String literalToString(long lit, ArgType type, IDexNode dexNode, boolean fallback) {
+		return literalToString(lit, type, dexNode.root().getStringUtils(), fallback, false);
+	}
+
+	public static String literalToString(long lit, ArgType type, StringUtils stringUtils, boolean fallback, boolean cast) {
 		if (type == null || !type.isTypeKnown()) {
 			String n = Long.toString(lit);
-			if (Math.abs(lit) > 100) {
-				n += "; // 0x" + Long.toHexString(lit)
-						+ " float:" + Float.intBitsToFloat((int) lit)
-						+ " double:" + Double.longBitsToDouble(lit);
+			if (fallback && Math.abs(lit) > 100) {
+				StringBuilder sb = new StringBuilder();
+				sb.append(n).append("(0x").append(Long.toHexString(lit));
+				if (type == null || type.contains(PrimitiveType.FLOAT)) {
+					sb.append(", float:").append(Float.intBitsToFloat((int) lit));
+				}
+				if (type == null || type.contains(PrimitiveType.DOUBLE)) {
+					sb.append(", double:").append(Double.longBitsToDouble(lit));
+				}
+				sb.append(')');
+				return sb.toString();
 			}
 			return n;
 		}
@@ -46,15 +71,19 @@ public class TypeGen {
 			case BOOLEAN:
 				return lit == 0 ? "false" : "true";
 			case CHAR:
-				return StringUtils.unescapeChar((char) lit);
+				char ch = (char) lit;
+				if (!NameMapper.isPrintableChar(ch)) {
+					return Integer.toString(ch);
+				}
+				return stringUtils.unescapeChar(ch);
 			case BYTE:
-				return formatByte((byte) lit);
+				return formatByte(lit, cast);
 			case SHORT:
-				return formatShort((short) lit);
+				return formatShort(lit, cast);
 			case INT:
-				return formatInteger((int) lit);
+				return formatInteger(lit, cast);
 			case LONG:
-				return formatLong(lit);
+				return formatLong(lit, cast);
 			case FLOAT:
 				return formatFloat(Float.intBitsToFloat((int) lit));
 			case DOUBLE:
@@ -73,37 +102,40 @@ public class TypeGen {
 		}
 	}
 
-	public static String formatShort(short s) {
-		if (s == Short.MAX_VALUE) {
+	public static String formatShort(long l, boolean cast) {
+		if (l == Short.MAX_VALUE) {
 			return "Short.MAX_VALUE";
 		}
-		if (s == Short.MIN_VALUE) {
+		if (l == Short.MIN_VALUE) {
 			return "Short.MIN_VALUE";
 		}
-		return "(short) " + Short.toString(s);
+		String str = Long.toString(l);
+		return cast ? "(short) " + str : str;
 	}
 
-	public static String formatByte(byte b) {
-		if (b == Byte.MAX_VALUE) {
+	public static String formatByte(long l, boolean cast) {
+		if (l == Byte.MAX_VALUE) {
 			return "Byte.MAX_VALUE";
 		}
-		if (b == Byte.MIN_VALUE) {
+		if (l == Byte.MIN_VALUE) {
 			return "Byte.MIN_VALUE";
 		}
-		return "(byte) " + Byte.toString(b);
+		String str = Long.toString(l);
+		return cast ? "(byte) " + str : str;
 	}
 
-	public static String formatInteger(int i) {
-		if (i == Integer.MAX_VALUE) {
+	public static String formatInteger(long l, boolean cast) {
+		if (l == Integer.MAX_VALUE) {
 			return "Integer.MAX_VALUE";
 		}
-		if (i == Integer.MIN_VALUE) {
+		if (l == Integer.MIN_VALUE) {
 			return "Integer.MIN_VALUE";
 		}
-		return Integer.toString(i);
+		String str = Long.toString(l);
+		return cast ? "(int) " + str : str;
 	}
 
-	public static String formatLong(long l) {
+	public static String formatLong(long l, boolean cast) {
 		if (l == Long.MAX_VALUE) {
 			return "Long.MAX_VALUE";
 		}
@@ -111,8 +143,8 @@ public class TypeGen {
 			return "Long.MIN_VALUE";
 		}
 		String str = Long.toString(l);
-		if (Math.abs(l) >= Integer.MAX_VALUE) {
-			str += "L";
+		if (cast || Math.abs(l) >= Integer.MAX_VALUE) {
+			return str + 'L';
 		}
 		return str;
 	}
@@ -136,7 +168,7 @@ public class TypeGen {
 		if (d == Double.MIN_NORMAL) {
 			return "Double.MIN_NORMAL";
 		}
-		return Double.toString(d) + "d";
+		return Double.toString(d) + 'd';
 	}
 
 	public static String formatFloat(float f) {
@@ -158,7 +190,6 @@ public class TypeGen {
 		if (f == Float.MIN_NORMAL) {
 			return "Float.MIN_NORMAL";
 		}
-		return Float.toString(f) + "f";
+		return Float.toString(f) + 'f';
 	}
-
 }

jadx-core/src/main/java/jadx/core/codegen/json/JsonCodeGen.java

@@ -0,0 +1,224 @@
+package jadx.core.codegen.json;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+
+import org.jetbrains.annotations.Nullable;
+
+import com.google.gson.FieldNamingPolicy;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+import jadx.api.CodePosition;
+import jadx.api.JadxArgs;
+import jadx.core.codegen.ClassGen;
+import jadx.core.codegen.CodeWriter;
+import jadx.core.codegen.MethodGen;
+import jadx.core.codegen.json.cls.JsonClass;
+import jadx.core.codegen.json.cls.JsonCodeLine;
+import jadx.core.codegen.json.cls.JsonField;
+import jadx.core.codegen.json.cls.JsonMethod;
+import jadx.core.dex.attributes.AFlag;
+import jadx.core.dex.info.ClassInfo;
+import jadx.core.dex.instructions.args.ArgType;
+import jadx.core.dex.nodes.ClassNode;
+import jadx.core.dex.nodes.FieldNode;
+import jadx.core.dex.nodes.InsnNode;
+import jadx.core.dex.nodes.MethodNode;
+import jadx.core.dex.nodes.RootNode;
+import jadx.core.utils.CodeGenUtils;
+import jadx.core.utils.Utils;
+import jadx.core.utils.exceptions.JadxRuntimeException;
+
+public class JsonCodeGen {
+
+	private static final Gson GSON = new GsonBuilder()
+			.setPrettyPrinting()
+			.setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_DASHES)
+			.disableHtmlEscaping()
+			.create();
+
+	private final ClassNode cls;
+	private final JadxArgs args;
+	private final RootNode root;
+
+	public JsonCodeGen(ClassNode cls) {
+		this.cls = cls;
+		this.root = cls.root();
+		this.args = root.getArgs();
+	}
+
+	public String process() {
+		JsonClass jsonCls = processCls(cls, null);
+		return GSON.toJson(jsonCls);
+	}
+
+	private JsonClass processCls(ClassNode cls, @Nullable ClassGen parentCodeGen) {
+		ClassGen classGen;
+		if (parentCodeGen == null) {
+			classGen = new ClassGen(cls, args);
+		} else {
+			classGen = new ClassGen(cls, parentCodeGen);
+		}
+		ClassInfo classInfo = cls.getClassInfo();
+
+		JsonClass jsonCls = new JsonClass();
+		jsonCls.setPkg(classInfo.getAliasPkg());
+		jsonCls.setDex(cls.dex().getDexFile().getName());
+		jsonCls.setName(classInfo.getFullName());
+		if (classInfo.hasAlias()) {
+			jsonCls.setAlias(classInfo.getAliasFullName());
+		}
+		jsonCls.setType(getClassTypeStr(cls));
+		jsonCls.setAccessFlags(cls.getAccessFlags().rawValue());
+		if (!Objects.equals(cls.getSuperClass(), ArgType.OBJECT)) {
+			jsonCls.setSuperClass(getTypeAlias(cls.getSuperClass()));
+		}
+		if (!cls.getInterfaces().isEmpty()) {
+			jsonCls.setInterfaces(Utils.collectionMap(cls.getInterfaces(), this::getTypeAlias));
+		}
+
+		CodeWriter cw = new CodeWriter();
+		CodeGenUtils.addComments(cw, cls);
+		classGen.insertDecompilationProblems(cw, cls);
+		classGen.addClassDeclaration(cw);
+		jsonCls.setDeclaration(cw.finish().toString());
+
+		addFields(cls, jsonCls, classGen);
+		addMethods(cls, jsonCls, classGen);
+		addInnerClasses(cls, jsonCls, classGen);
+
+		if (!cls.getClassInfo().isInner()) {
+			List<String> imports = Utils.collectionMap(classGen.getImports(), ClassInfo::getAliasFullName);
+			Collections.sort(imports);
+			jsonCls.setImports(imports);
+		}
+		return jsonCls;
+	}
+
+	private void addInnerClasses(ClassNode cls, JsonClass jsonCls, ClassGen classGen) {
+		List<ClassNode> innerClasses = cls.getInnerClasses();
+		if (innerClasses.isEmpty()) {
+			return;
+		}
+		jsonCls.setInnerClasses(new ArrayList<>(innerClasses.size()));
+		for (ClassNode innerCls : innerClasses) {
+			if (innerCls.contains(AFlag.DONT_GENERATE)) {
+				continue;
+			}
+			JsonClass innerJsonCls = processCls(innerCls, classGen);
+			jsonCls.getInnerClasses().add(innerJsonCls);
+		}
+	}
+
+	private void addFields(ClassNode cls, JsonClass jsonCls, ClassGen classGen) {
+		jsonCls.setFields(new ArrayList<>());
+		for (FieldNode field : cls.getFields()) {
+			if (field.contains(AFlag.DONT_GENERATE)) {
+				continue;
+			}
+			JsonField jsonField = new JsonField();
+			jsonField.setName(field.getName());
+			if (field.getFieldInfo().hasAlias()) {
+				jsonField.setAlias(field.getAlias());
+			}
+
+			CodeWriter cw = new CodeWriter();
+			classGen.addField(cw, field);
+			jsonField.setDeclaration(cw.finish().toString());
+			jsonField.setAccessFlags(field.getAccessFlags().rawValue());
+
+			jsonCls.getFields().add(jsonField);
+		}
+	}
+
+	private void addMethods(ClassNode cls, JsonClass jsonCls, ClassGen classGen) {
+		jsonCls.setMethods(new ArrayList<>());
+		for (MethodNode mth : cls.getMethods()) {
+			if (mth.contains(AFlag.DONT_GENERATE)) {
+				continue;
+			}
+			JsonMethod jsonMth = new JsonMethod();
+			jsonMth.setName(mth.getName());
+			if (mth.getMethodInfo().hasAlias()) {
+				jsonMth.setAlias(mth.getAlias());
+			}
+			jsonMth.setSignature(mth.getMethodInfo().getShortId());
+			jsonMth.setReturnType(getTypeAlias(mth.getReturnType()));
+			jsonMth.setArguments(Utils.collectionMap(mth.getMethodInfo().getArgumentsTypes(), this::getTypeAlias));
+
+			MethodGen mthGen = new MethodGen(classGen, mth);
+			CodeWriter cw = new CodeWriter();
+			mthGen.addDefinition(cw);
+			jsonMth.setDeclaration(cw.finish().toString());
+			jsonMth.setAccessFlags(mth.getAccessFlags().rawValue());
+			jsonMth.setLines(fillMthCode(mth, mthGen));
+			jsonMth.setOffset("0x" + Long.toHexString(mth.getMethodCodeOffset()));
+			jsonCls.getMethods().add(jsonMth);
+		}
+	}
+
+	private List<JsonCodeLine> fillMthCode(MethodNode mth, MethodGen mthGen) {
+		if (mth.isNoCode()) {
+			return Collections.emptyList();
+		}
+
+		CodeWriter code = new CodeWriter();
+		try {
+			mthGen.addInstructions(code);
+		} catch (Exception e) {
+			throw new JadxRuntimeException("Method generation error", e);
+		}
+		code.finish();
+		String codeStr = code.toString();
+		if (codeStr.isEmpty()) {
+			return Collections.emptyList();
+		}
+
+		String[] lines = codeStr.split(CodeWriter.NL);
+		Map<Integer, Integer> lineMapping = code.getLineMapping();
+		Map<CodePosition, Object> annotations = code.getAnnotations();
+		long mthCodeOffset = mth.getMethodCodeOffset() + 16;
+
+		int linesCount = lines.length;
+		List<JsonCodeLine> codeLines = new ArrayList<>(linesCount);
+		for (int i = 0; i < linesCount; i++) {
+			String codeLine = lines[i];
+			int line = i + 2;
+			JsonCodeLine jsonCodeLine = new JsonCodeLine();
+			jsonCodeLine.setCode(codeLine);
+			jsonCodeLine.setSourceLine(lineMapping.get(line));
+			Object obj = annotations.get(new CodePosition(line, 0));
+			if (obj instanceof InsnNode) {
+				long offset = ((InsnNode) obj).getOffset();
+				jsonCodeLine.setOffset("0x" + Long.toHexString(mthCodeOffset + offset * 2));
+			}
+			codeLines.add(jsonCodeLine);
+		}
+		return codeLines;
+	}
+
+	private String getTypeAlias(ArgType clsType) {
+		if (Objects.equals(clsType, ArgType.OBJECT)) {
+			return ArgType.OBJECT.getObject();
+		}
+		if (clsType.isObject()) {
+			ClassInfo classInfo = ClassInfo.fromType(root, clsType);
+			return classInfo.getAliasFullName();
+		}
+		return clsType.toString();
+	}
+
+	private String getClassTypeStr(ClassNode cls) {
+		if (cls.isEnum()) {
+			return "enum";
+		}
+		if (cls.getAccessFlags().isInterface()) {
+			return "interface";
+		}
+		return "class";
+	}
+}

jadx-core/src/main/java/jadx/core/codegen/json/JsonMappingGen.java

@@ -0,0 +1,107 @@
+package jadx.core.codegen.json;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.Writer;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.gson.FieldNamingPolicy;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+import jadx.api.JadxArgs;
+import jadx.core.codegen.json.mapping.JsonClsMapping;
+import jadx.core.codegen.json.mapping.JsonFieldMapping;
+import jadx.core.codegen.json.mapping.JsonMapping;
+import jadx.core.codegen.json.mapping.JsonMthMapping;
+import jadx.core.dex.info.ClassInfo;
+import jadx.core.dex.info.MethodInfo;
+import jadx.core.dex.nodes.ClassNode;
+import jadx.core.dex.nodes.FieldNode;
+import jadx.core.dex.nodes.MethodNode;
+import jadx.core.dex.nodes.RootNode;
+import jadx.core.utils.exceptions.JadxRuntimeException;
+import jadx.core.utils.files.FileUtils;
+
+public class JsonMappingGen {
+	private static final Logger LOG = LoggerFactory.getLogger(JsonMappingGen.class);
+
+	private static final Gson GSON = new GsonBuilder()
+			.setPrettyPrinting()
+			.setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_DASHES)
+			.disableHtmlEscaping()
+			.create();
+
+	public static void dump(RootNode root) {
+		JsonMapping mapping = new JsonMapping();
+		fillMapping(mapping, root);
+
+		JadxArgs args = root.getArgs();
+		File outDirSrc = args.getOutDirSrc().getAbsoluteFile();
+		File mappingFile = new File(outDirSrc, "mapping.json");
+		FileUtils.makeDirsForFile(mappingFile);
+		try (Writer writer = new FileWriter(mappingFile)) {
+			GSON.toJson(mapping, writer);
+			LOG.info("Save mappings to {}", mappingFile.getAbsolutePath());
+		} catch (Exception e) {
+			throw new JadxRuntimeException("Failed to save mapping json", e);
+		}
+	}
+
+	private static void fillMapping(JsonMapping mapping, RootNode root) {
+		List<ClassNode> classes = root.getClasses(true);
+		mapping.setClasses(new ArrayList<>(classes.size()));
+		for (ClassNode cls : classes) {
+			ClassInfo classInfo = cls.getClassInfo();
+			JsonClsMapping jsonCls = new JsonClsMapping();
+			jsonCls.setName(classInfo.getRawName());
+			jsonCls.setAlias(classInfo.getAliasFullName());
+			jsonCls.setInner(classInfo.isInner());
+			jsonCls.setJson(cls.getTopParentClass().getClassInfo().getAliasFullPath() + ".json");
+			if (classInfo.isInner()) {
+				jsonCls.setTopClass(cls.getTopParentClass().getClassInfo().getFullName());
+			}
+			addFields(cls, jsonCls);
+			addMethods(cls, jsonCls);
+			mapping.getClasses().add(jsonCls);
+		}
+	}
+
+	private static void addMethods(ClassNode cls, JsonClsMapping jsonCls) {
+		List<MethodNode> methods = cls.getMethods();
+		if (methods.isEmpty()) {
+			return;
+		}
+		jsonCls.setMethods(new ArrayList<>(methods.size()));
+		for (MethodNode method : methods) {
+			JsonMthMapping jsonMethod = new JsonMthMapping();
+			MethodInfo methodInfo = method.getMethodInfo();
+			jsonMethod.setSignature(methodInfo.getShortId());
+			jsonMethod.setName(methodInfo.getName());
+			jsonMethod.setAlias(methodInfo.getAlias());
+			jsonMethod.setOffset("0x" + Long.toHexString(method.getMethodCodeOffset()));
+			jsonCls.getMethods().add(jsonMethod);
+		}
+	}
+
+	private static void addFields(ClassNode cls, JsonClsMapping jsonCls) {
+		List<FieldNode> fields = cls.getFields();
+		if (fields.isEmpty()) {
+			return;
+		}
+		jsonCls.setFields(new ArrayList<>(fields.size()));
+		for (FieldNode field : fields) {
+			JsonFieldMapping jsonField = new JsonFieldMapping();
+			jsonField.setName(field.getName());
+			jsonField.setAlias(field.getAlias());
+			jsonCls.getFields().add(jsonField);
+		}
+	}
+
+	private JsonMappingGen() {
+	}
+}

jadx-core/src/main/java/jadx/core/codegen/json/cls/JsonClass.java

@@ -0,0 +1,94 @@
+package jadx.core.codegen.json.cls;
+
+import java.util.List;
+
+import com.google.gson.annotations.SerializedName;
+
+public class JsonClass extends JsonNode {
+	@SerializedName("package")
+	private String pkg;
+	private String type; // class, interface, enum
+	@SerializedName("extends")
+	private String superClass;
+	@SerializedName("implements")
+	private List<String> interfaces;
+	private String dex;
+
+	private List<JsonField> fields;
+	private List<JsonMethod> methods;
+	private List<JsonClass> innerClasses;
+
+	private List<String> imports;
+
+	public String getType() {
+		return type;
+	}
+
+	public void setType(String type) {
+		this.type = type;
+	}
+
+	public String getSuperClass() {
+		return superClass;
+	}
+
+	public void setSuperClass(String superClass) {
+		this.superClass = superClass;
+	}
+
+	public List<String> getInterfaces() {
+		return interfaces;
+	}
+
+	public void setInterfaces(List<String> interfaces) {
+		this.interfaces = interfaces;
+	}
+
+	public List<JsonField> getFields() {
+		return fields;
+	}
+
+	public void setFields(List<JsonField> fields) {
+		this.fields = fields;
+	}
+
+	public List<JsonMethod> getMethods() {
+		return methods;
+	}
+
+	public void setMethods(List<JsonMethod> methods) {
+		this.methods = methods;
+	}
+
+	public List<JsonClass> getInnerClasses() {
+		return innerClasses;
+	}
+
+	public void setInnerClasses(List<JsonClass> innerClasses) {
+		this.innerClasses = innerClasses;
+	}
+
+	public String getPkg() {
+		return pkg;
+	}
+
+	public void setPkg(String pkg) {
+		this.pkg = pkg;
+	}
+
+	public String getDex() {
+		return dex;
+	}
+
+	public void setDex(String dex) {
+		this.dex = dex;
+	}
+
+	public List<String> getImports() {
+		return imports;
+	}
+
+	public void setImports(List<String> imports) {
+		this.imports = imports;
+	}
+}

jadx-core/src/main/java/jadx/core/codegen/json/cls/JsonCodeLine.java

@@ -0,0 +1,33 @@
+package jadx.core.codegen.json.cls;
+
+import org.jetbrains.annotations.Nullable;
+
+public class JsonCodeLine {
+	private String code;
+	private String offset;
+	private Integer sourceLine;
+
+	public String getCode() {
+		return code;
+	}
+
+	public void setCode(String code) {
+		this.code = code;
+	}
+
+	public String getOffset() {
+		return offset;
+	}
+
+	public void setOffset(String offset) {
+		this.offset = offset;
+	}
+
+	public Integer getSourceLine() {
+		return sourceLine;
+	}
+
+	public void setSourceLine(@Nullable Integer sourceLine) {
+		this.sourceLine = sourceLine;
+	}
+}

jadx-core/src/main/java/jadx/core/codegen/json/cls/JsonField.java

@@ -0,0 +1,5 @@
+package jadx.core.codegen.json.cls;
+
+public class JsonField extends JsonNode {
+	String type;
+}

jadx-core/src/main/java/jadx/core/codegen/json/cls/JsonMethod.java

@@ -0,0 +1,51 @@
+package jadx.core.codegen.json.cls;
+
+import java.util.List;
+
+public class JsonMethod extends JsonNode {
+	private String signature;
+	private String returnType;
+	private List<String> arguments;
+	private List<JsonCodeLine> lines;
+	private String offset;
+
+	public String getSignature() {
+		return signature;
+	}
+
+	public void setSignature(String signature) {
+		this.signature = signature;
+	}
+
+	public String getReturnType() {
+		return returnType;
+	}
+
+	public void setReturnType(String returnType) {
+		this.returnType = returnType;
+	}
+
+	public List<String> getArguments() {
+		return arguments;
+	}
+
+	public void setArguments(List<String> arguments) {
+		this.arguments = arguments;
+	}
+
+	public List<JsonCodeLine> getLines() {
+		return lines;
+	}
+
+	public void setLines(List<JsonCodeLine> lines) {
+		this.lines = lines;
+	}
+
+	public String getOffset() {
+		return offset;
+	}
+
+	public void setOffset(String offset) {
+		this.offset = offset;
+	}
+}

jadx-core/src/main/java/jadx/core/codegen/json/cls/JsonNode.java

@@ -0,0 +1,40 @@
+package jadx.core.codegen.json.cls;
+
+public class JsonNode {
+	private String name;
+	private String alias;
+	private String declaration;
+	private int accessFlags;
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public String getAlias() {
+		return alias;
+	}
+
+	public void setAlias(String alias) {
+		this.alias = alias;
+	}
+
+	public String getDeclaration() {
+		return declaration;
+	}
+
+	public void setDeclaration(String declaration) {
+		this.declaration = declaration;
+	}
+
+	public int getAccessFlags() {
+		return accessFlags;
+	}
+
+	public void setAccessFlags(int accessFlags) {
+		this.accessFlags = accessFlags;
+	}
+}

jadx-core/src/main/java/jadx/core/codegen/json/mapping/JsonClsMapping.java

@@ -0,0 +1,71 @@
+package jadx.core.codegen.json.mapping;
+
+import java.util.List;
+
+public class JsonClsMapping {
+	private String name;
+	private String alias;
+
+	private String json;
+	private boolean inner;
+	private String topClass;
+
+	private List<JsonFieldMapping> fields;
+	private List<JsonMthMapping> methods;
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public String getAlias() {
+		return alias;
+	}
+
+	public void setAlias(String alias) {
+		this.alias = alias;
+	}
+
+	public String getJson() {
+		return json;
+	}
+
+	public void setJson(String json) {
+		this.json = json;
+	}
+
+	public boolean isInner() {
+		return inner;
+	}
+
+	public void setInner(boolean inner) {
+		this.inner = inner;
+	}
+
+	public String getTopClass() {
+		return topClass;
+	}
+
+	public void setTopClass(String topClass) {
+		this.topClass = topClass;
+	}
+
+	public List<JsonFieldMapping> getFields() {
+		return fields;
+	}
+
+	public void setFields(List<JsonFieldMapping> fields) {
+		this.fields = fields;
+	}
+
+	public List<JsonMthMapping> getMethods() {
+		return methods;
+	}
+
+	public void setMethods(List<JsonMthMapping> methods) {
+		this.methods = methods;
+	}
+}

jadx-core/src/main/java/jadx/core/codegen/json/mapping/JsonFieldMapping.java

@@ -0,0 +1,22 @@
+package jadx.core.codegen.json.mapping;
+
+public class JsonFieldMapping {
+	private String name;
+	private String alias;
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public String getAlias() {
+		return alias;
+	}
+
+	public void setAlias(String alias) {
+		this.alias = alias;
+	}
+}

jadx-core/src/main/java/jadx/core/codegen/json/mapping/JsonMapping.java

@@ -0,0 +1,15 @@
+package jadx.core.codegen.json.mapping;
+
+import java.util.List;
+
+public class JsonMapping {
+	private List<JsonClsMapping> classes;
+
+	public List<JsonClsMapping> getClasses() {
+		return classes;
+	}
+
+	public void setClasses(List<JsonClsMapping> classes) {
+		this.classes = classes;
+	}
+}

jadx-core/src/main/java/jadx/core/codegen/json/mapping/JsonMthMapping.java

@@ -0,0 +1,40 @@
+package jadx.core.codegen.json.mapping;
+
+public class JsonMthMapping {
+	private String signature;
+	private String name;
+	private String alias;
+	private String offset;
+
+	public String getSignature() {
+		return signature;
+	}
+
+	public void setSignature(String signature) {
+		this.signature = signature;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public String getAlias() {
+		return alias;
+	}
+
+	public void setAlias(String alias) {
+		this.alias = alias;
+	}
+
+	public String getOffset() {
+		return offset;
+	}
+
+	public void setOffset(String offset) {
+		this.offset = offset;
+	}
+}

jadx-core/src/main/java/jadx/core/deobf/DeobfPresets.java

@@ -1,34 +1,37 @@
 package jadx.core.deobf;
 
-import jadx.core.dex.info.ClassInfo;
-import jadx.core.dex.info.FieldInfo;
-import jadx.core.dex.info.MethodInfo;
-
-import java.io.File;
 import java.io.IOException;
+import java.nio.charset.Charset;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import org.apache.commons.io.FileUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import jadx.core.dex.info.ClassInfo;
+import jadx.core.dex.info.FieldInfo;
+import jadx.core.dex.info.MethodInfo;
+
+import static java.nio.charset.StandardCharsets.UTF_8;
+
 class DeobfPresets {
 	private static final Logger LOG = LoggerFactory.getLogger(DeobfPresets.class);
 
-	private static final String MAP_FILE_CHARSET = "UTF-8";
+	private static final Charset MAP_FILE_CHARSET = UTF_8;
 
 	private final Deobfuscator deobfuscator;
-	private final File deobfMapFile;
+	private final Path deobfMapFile;
 
-	private final Map<String, String> clsPresetMap = new HashMap<String, String>();
-	private final Map<String, String> fldPresetMap = new HashMap<String, String>();
-	private final Map<String, String> mthPresetMap = new HashMap<String, String>();
+	private final Map<String, String> clsPresetMap = new HashMap<>();
+	private final Map<String, String> fldPresetMap = new HashMap<>();
+	private final Map<String, String> mthPresetMap = new HashMap<>();
 
-	public DeobfPresets(Deobfuscator deobfuscator, File deobfMapFile) {
+	public DeobfPresets(Deobfuscator deobfuscator, Path deobfMapFile) {
 		this.deobfuscator = deobfuscator;
 		this.deobfMapFile = deobfMapFile;
 	}
@@ -37,12 +40,12 @@ class DeobfPresets {
 	 * Loads deobfuscator presets
 	 */
 	public void load() {
-		if (!deobfMapFile.exists()) {
+		if (!Files.exists(deobfMapFile)) {
 			return;
 		}
-		LOG.info("Loading obfuscation map from: {}", deobfMapFile.getAbsoluteFile());
+		LOG.info("Loading obfuscation map from: {}", deobfMapFile.toAbsolutePath());
 		try {
-			List<String> lines = FileUtils.readLines(deobfMapFile, MAP_FILE_CHARSET);
+			List<String> lines = Files.readAllLines(deobfMapFile, MAP_FILE_CHARSET);
 			for (String l : lines) {
 				l = l.trim();
 				if (l.isEmpty() || l.startsWith("#")) {
@@ -65,7 +68,7 @@ class DeobfPresets {
 				}
 			}
 		} catch (IOException e) {
-			LOG.error("Failed to load deobfuscation map file '{}'", deobfMapFile.getAbsolutePath(), e);
+			LOG.error("Failed to load deobfuscation map file '{}'", deobfMapFile.toAbsolutePath(), e);
 		}
 	}
 
@@ -79,18 +82,18 @@ class DeobfPresets {
 
 	public void save(boolean forceSave) {
 		try {
-			if (deobfMapFile.exists()) {
+			if (Files.exists(deobfMapFile)) {
 				if (forceSave) {
 					dumpMapping();
 				} else {
 					LOG.warn("Deobfuscation map file '{}' exists. Use command line option '--deobf-rewrite-cfg' to rewrite it",
-							deobfMapFile.getAbsolutePath());
+							deobfMapFile.toAbsolutePath());
 				}
 			} else {
 				dumpMapping();
 			}
 		} catch (IOException e) {
-			LOG.error("Failed to load deobfuscation map file '{}'", deobfMapFile.getAbsolutePath(), e);
+			LOG.error("Failed to load deobfuscation map file '{}'", deobfMapFile.toAbsolutePath(), e);
 		}
 	}
 
@@ -98,7 +101,7 @@ class DeobfPresets {
 	 * Saves DefaultDeobfuscator presets
 	 */
 	private void dumpMapping() throws IOException {
-		List<String> list = new ArrayList<String>();
+		List<String> list = new ArrayList<>();
 		// packages
 		for (PackageNode p : deobfuscator.getRootPackage().getInnerPackages()) {
 			for (PackageNode pp : p.getInnerPackages()) {
@@ -112,18 +115,20 @@ class DeobfPresets {
 		for (DeobfClsInfo deobfClsInfo : deobfuscator.getClsMap().values()) {
 			if (deobfClsInfo.getAlias() != null) {
 				list.add(String.format("c %s = %s",
-						deobfClsInfo.getCls().getClassInfo().getFullName(), deobfClsInfo.getAlias()));
+						deobfClsInfo.getCls().getClassInfo().makeRawFullName(), deobfClsInfo.getAlias()));
 			}
 		}
 		for (FieldInfo fld : deobfuscator.getFldMap().keySet()) {
-			list.add(String.format("f %s = %s", fld.getFullId(), fld.getAlias()));
+			list.add(String.format("f %s = %s", fld.getRawFullId(), fld.getAlias()));
 		}
 		for (MethodInfo mth : deobfuscator.getMthMap().keySet()) {
-			list.add(String.format("m %s = %s", mth.getFullId(), mth.getAlias()));
+			list.add(String.format("m %s = %s", mth.getRawFullId(), mth.getAlias()));
 		}
 		Collections.sort(list);
-		FileUtils.writeLines(deobfMapFile, MAP_FILE_CHARSET, list);
-		list.clear();
+		Files.write(deobfMapFile, list, MAP_FILE_CHARSET);
+		if (LOG.isDebugEnabled()) {
+			LOG.debug("Deobfuscation map file saved as: {}", deobfMapFile);
+		}
 	}
 
 	private static void dfsPackageName(List<String> list, String prefix, PackageNode node) {
@@ -136,15 +141,15 @@ class DeobfPresets {
 	}
 
 	public String getForCls(ClassInfo cls) {
-		return clsPresetMap.get(cls.getFullName());
+		return clsPresetMap.get(cls.makeRawFullName());
 	}
 
 	public String getForFld(FieldInfo fld) {
-		return fldPresetMap.get(fld.getFullId());
+		return fldPresetMap.get(fld.getRawFullId());
 	}
 
 	public String getForMth(MethodInfo mth) {
-		return mthPresetMap.get(mth.getFullId());
+		return mthPresetMap.get(mth.getRawFullId());
 	}
 
 	public void clear() {

jadx-core/src/main/java/jadx/core/deobf/Deobfuscator.java

@@ -1,18 +1,12 @@
 package jadx.core.deobf;
 
-import jadx.api.IJadxArgs;
-import jadx.core.dex.attributes.AType;
-import jadx.core.dex.attributes.nodes.SourceFileAttr;
-import jadx.core.dex.info.ClassInfo;
-import jadx.core.dex.info.FieldInfo;
-import jadx.core.dex.info.MethodInfo;
-import jadx.core.dex.nodes.ClassNode;
-import jadx.core.dex.nodes.DexNode;
-import jadx.core.dex.nodes.FieldNode;
-import jadx.core.dex.nodes.MethodNode;
-
-import java.io.File;
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.Collections;
 import java.util.HashMap;
+import java.util.HashSet;
+import java.util.LinkedHashMap;
+import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -23,6 +17,19 @@ import org.jetbrains.annotations.Nullable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import jadx.api.JadxArgs;
+import jadx.core.dex.attributes.AFlag;
+import jadx.core.dex.attributes.AType;
+import jadx.core.dex.attributes.nodes.SourceFileAttr;
+import jadx.core.dex.info.ClassInfo;
+import jadx.core.dex.info.FieldInfo;
+import jadx.core.dex.info.MethodInfo;
+import jadx.core.dex.instructions.args.ArgType;
+import jadx.core.dex.nodes.ClassNode;
+import jadx.core.dex.nodes.DexNode;
+import jadx.core.dex.nodes.FieldNode;
+import jadx.core.dex.nodes.MethodNode;
+
 public class Deobfuscator {
 	private static final Logger LOG = LoggerFactory.getLogger(Deobfuscator.class);
 
@@ -31,31 +38,38 @@ public class Deobfuscator {
 	public static final String CLASS_NAME_SEPARATOR = ".";
 	public static final String INNER_CLASS_SEPARATOR = "$";
 
-	private final IJadxArgs args;
+	private final JadxArgs args;
 	@NotNull
 	private final List<DexNode> dexNodes;
 	private final DeobfPresets deobfPresets;
 
-	private final Map<ClassInfo, DeobfClsInfo> clsMap = new HashMap<ClassInfo, DeobfClsInfo>();
-	private final Map<FieldInfo, String> fldMap = new HashMap<FieldInfo, String>();
-	private final Map<MethodInfo, String> mthMap = new HashMap<MethodInfo, String>();
+	private final Map<ClassInfo, DeobfClsInfo> clsMap = new LinkedHashMap<>();
+	private final Map<FieldInfo, String> fldMap = new HashMap<>();
+	private final Map<MethodInfo, String> mthMap = new HashMap<>();
+
+	private final Map<MethodInfo, OverridedMethodsNode> ovrdMap = new HashMap<>();
+	private final List<OverridedMethodsNode> ovrd = new ArrayList<>();
 
 	private final PackageNode rootPackage = new PackageNode("");
-	private final Set<String> pkgSet = new TreeSet<String>();
+	private final Set<String> pkgSet = new TreeSet<>();
+	private final Set<String> reservedClsNames = new HashSet<>();
 
 	private final int maxLength;
 	private final int minLength;
+	private final boolean useSourceNameAsAlias;
+
 	private int pkgIndex = 0;
 	private int clsIndex = 0;
 	private int fldIndex = 0;
 	private int mthIndex = 0;
 
-	public Deobfuscator(IJadxArgs args, @NotNull List<DexNode> dexNodes, File deobfMapFile) {
+	public Deobfuscator(JadxArgs args, @NotNull List<DexNode> dexNodes, Path deobfMapFile) {
 		this.args = args;
 		this.dexNodes = dexNodes;
 
 		this.minLength = args.getDeobfuscationMinLength();
 		this.maxLength = args.getDeobfuscationMaxLength();
+		this.useSourceNameAsAlias = args.isUseSourceNameAsClassAlias();
 
 		this.deobfPresets = new DeobfPresets(this, deobfMapFile);
 	}
@@ -66,8 +80,20 @@ public class Deobfuscator {
 			initIndexes();
 		}
 		process();
+	}
+
+	public void savePresets() {
 		deobfPresets.save(args.isDeobfuscationForceSave());
-		clear();
+	}
+
+	public void clear() {
+		deobfPresets.clear();
+		clsMap.clear();
+		fldMap.clear();
+		mthMap.clear();
+
+		ovrd.clear();
+		ovrdMap.clear();
 	}
 
 	private void initIndexes() {
@@ -80,7 +106,12 @@ public class Deobfuscator {
 	private void preProcess() {
 		for (DexNode dexNode : dexNodes) {
 			for (ClassNode cls : dexNode.getClasses()) {
-				doClass(cls);
+				Collections.addAll(reservedClsNames, cls.getPackage().split("\\."));
+			}
+		}
+		for (DexNode dexNode : dexNodes) {
+			for (ClassNode cls : dexNode.getClasses()) {
+				preProcessClass(cls);
 			}
 		}
 	}
@@ -92,37 +123,164 @@ public class Deobfuscator {
 		}
 		for (DexNode dexNode : dexNodes) {
 			for (ClassNode cls : dexNode.getClasses()) {
-				processClass(dexNode, cls);
+				processClass(cls);
+			}
+		}
+		postProcess();
+	}
+
+	private void postProcess() {
+		int id = 1;
+		for (OverridedMethodsNode o : ovrd) {
+			boolean aliasFromPreset = false;
+			String aliasToUse = null;
+			for (MethodInfo mth : o.getMethods()) {
+				if (mth.isAliasFromPreset()) {
+					aliasToUse = mth.getAlias();
+					aliasFromPreset = true;
+				}
+			}
+			for (MethodInfo mth : o.getMethods()) {
+				if (aliasToUse == null) {
+					if (mth.hasAlias() && !mth.isAliasFromPreset()) {
+						mth.setAlias(String.format("mo%d%s", id, prepareNamePart(mth.getName())));
+					}
+					aliasToUse = mth.getAlias();
+				}
+				mth.setAlias(aliasToUse);
+				mth.setAliasFromPreset(aliasFromPreset);
+			}
+			id++;
+		}
+	}
+
+	private void resolveOverriding(MethodNode mth) {
+		Set<ClassNode> clsParents = new LinkedHashSet<>();
+		collectClassHierarchy(mth.getParentClass(), clsParents);
+
+		String mthSignature = mth.getMethodInfo().makeSignature(false);
+		Set<MethodInfo> overrideSet = new LinkedHashSet<>();
+		for (ClassNode classNode : clsParents) {
+			MethodInfo methodInfo = getMthOverride(classNode.getMethods(), mthSignature);
+			if (methodInfo != null) {
+				overrideSet.add(methodInfo);
+			}
+		}
+		if (overrideSet.isEmpty()) {
+			return;
+		}
+		OverridedMethodsNode overrideNode = getOverrideMethodsNode(overrideSet);
+		if (overrideNode == null) {
+			overrideNode = new OverridedMethodsNode(overrideSet);
+			ovrd.add(overrideNode);
+		}
+		for (MethodInfo overrideMth : overrideSet) {
+			if (!ovrdMap.containsKey(overrideMth)) {
+				ovrdMap.put(overrideMth, overrideNode);
+				overrideNode.add(overrideMth);
 			}
 		}
 	}
 
-	void clear() {
-		deobfPresets.clear();
-		clsMap.clear();
-		fldMap.clear();
-		mthMap.clear();
+	private OverridedMethodsNode getOverrideMethodsNode(Set<MethodInfo> overrideSet) {
+		for (MethodInfo overrideMth : overrideSet) {
+			OverridedMethodsNode node = ovrdMap.get(overrideMth);
+			if (node != null) {
+				return node;
+			}
+		}
+		return null;
 	}
 
-	private void processClass(DexNode dex, ClassNode cls) {
+	private MethodInfo getMthOverride(List<MethodNode> methods, String mthSignature) {
+		for (MethodNode m : methods) {
+			MethodInfo mthInfo = m.getMethodInfo();
+			if (mthInfo.getShortId().startsWith(mthSignature)) {
+				return mthInfo;
+			}
+		}
+		return null;
+	}
+
+	private void collectClassHierarchy(ClassNode cls, Set<ClassNode> collected) {
+		boolean added = collected.add(cls);
+		if (added) {
+			ArgType superClass = cls.getSuperClass();
+			if (superClass != null) {
+				ClassNode superNode = cls.dex().resolveClass(superClass);
+				if (superNode != null) {
+					collectClassHierarchy(superNode, collected);
+				}
+			}
+
+			for (ArgType argType : cls.getInterfaces()) {
+				ClassNode interfaceNode = cls.dex().resolveClass(argType);
+				if (interfaceNode != null) {
+					collectClassHierarchy(interfaceNode, collected);
+				}
+			}
+		}
+	}
+
+	private void processClass(ClassNode cls) {
+		if (isR(cls.getParentClass())) {
+			return;
+		}
 		ClassInfo clsInfo = cls.getClassInfo();
-		String fullName = getClassFullName(clsInfo);
-		if (!fullName.equals(clsInfo.getFullName())) {
-			clsInfo.rename(dex, fullName);
+		DeobfClsInfo deobfClsInfo = clsMap.get(clsInfo);
+		if (deobfClsInfo != null) {
+			clsInfo.changeShortName(deobfClsInfo.getAlias());
+			PackageNode pkgNode = deobfClsInfo.getPkg();
+			if (!clsInfo.isInner() && pkgNode.hasAnyAlias()) {
+				clsInfo.changePkg(pkgNode.getFullAlias());
+			}
+		} else if (!clsInfo.isInner()) {
+			// check if package renamed
+			PackageNode pkgNode = getPackageNode(clsInfo.getPackage(), false);
+			if (pkgNode != null && pkgNode.hasAnyAlias()) {
+				clsInfo.changePkg(pkgNode.getFullAlias());
+			}
 		}
 		for (FieldNode field : cls.getFields()) {
-			FieldInfo fieldInfo = field.getFieldInfo();
-			String alias = getFieldAlias(field);
-			if (alias != null) {
-				fieldInfo.setAlias(alias);
+			if (field.contains(AFlag.DONT_RENAME)) {
+				continue;
 			}
+			renameField(field);
 		}
 		for (MethodNode mth : cls.getMethods()) {
-			MethodInfo methodInfo = mth.getMethodInfo();
-			String alias = getMethodAlias(mth);
-			if (alias != null) {
-				methodInfo.setAlias(alias);
-			}
+			renameMethod(mth);
+		}
+		for (ClassNode innerCls : cls.getInnerClasses()) {
+			processClass(innerCls);
+		}
+	}
+
+	private void renameField(FieldNode field) {
+		FieldInfo fieldInfo = field.getFieldInfo();
+		String alias = getFieldAlias(field);
+		if (alias != null) {
+			fieldInfo.setAlias(alias);
+		}
+	}
+
+	public void forceRenameField(FieldNode field) {
+		field.getFieldInfo().setAlias(makeFieldAlias(field));
+	}
+
+	private void renameMethod(MethodNode mth) {
+		String alias = getMethodAlias(mth);
+		if (alias != null) {
+			mth.getMethodInfo().setAlias(alias);
+		}
+		if (mth.isVirtual()) {
+			resolveOverriding(mth);
+		}
+	}
+
+	public void forceRenameMethod(MethodNode mth) {
+		mth.getMethodInfo().setAlias(makeMethodAlias(mth));
+		if (mth.isVirtual()) {
+			resolveOverriding(mth);
 		}
 	}
 
@@ -136,7 +294,8 @@ public class Deobfuscator {
 	 *
 	 * @param fullPkgName full package name
 	 * @param create      if {@code true} then will create all absent objects
-	 * @return package node object or {@code null} if no package found and <b>create</b> set to {@code false}
+	 * @return package node object or {@code null} if no package found and <b>create</b> set to
+	 *         {@code false}
 	 */
 	private PackageNode getPackageNode(String fullPkgName, boolean create) {
 		if (fullPkgName.isEmpty() || fullPkgName.equals(CLASS_NAME_SEPARATOR)) {
@@ -183,22 +342,25 @@ public class Deobfuscator {
 		return prefix + clsInfo.getShortName();
 	}
 
-	private void doClass(ClassNode cls) {
+	private void preProcessClass(ClassNode cls) {
 		ClassInfo classInfo = cls.getClassInfo();
 		String pkgFullName = classInfo.getPackage();
 		PackageNode pkg = getPackageNode(pkgFullName, true);
-		doPkg(pkg, pkgFullName);
+		processPackageFull(pkg, pkgFullName);
 
 		String alias = deobfPresets.getForCls(classInfo);
 		if (alias != null) {
 			clsMap.put(classInfo, new DeobfClsInfo(this, cls, pkg, alias));
-			return;
+		} else {
+			if (!clsMap.containsKey(classInfo)) {
+				String clsShortName = classInfo.getShortName();
+				if (shouldRename(clsShortName) || reservedClsNames.contains(clsShortName)) {
+					makeClsAlias(cls);
+				}
+			}
 		}
-		if (clsMap.containsKey(classInfo)) {
-			return;
-		}
-		if (shouldRename(classInfo.getShortName())) {
-			makeClsAlias(cls);
+		for (ClassNode innerCls : cls.getInnerClasses()) {
+			preProcessClass(innerCls);
 		}
 	}
 
@@ -210,12 +372,35 @@ public class Deobfuscator {
 		return makeClsAlias(cls);
 	}
 
+	public String getPkgAlias(ClassNode cls) {
+		ClassInfo classInfo = cls.getClassInfo();
+		PackageNode pkg = null;
+		DeobfClsInfo deobfClsInfo = clsMap.get(classInfo);
+		if (deobfClsInfo != null) {
+			pkg = deobfClsInfo.getPkg();
+		} else {
+			String fullPkgName = classInfo.getPackage();
+			pkg = getPackageNode(fullPkgName, true);
+			processPackageFull(pkg, fullPkgName);
+		}
+		if (pkg.hasAnyAlias()) {
+			return pkg.getFullAlias();
+		} else {
+			return pkg.getFullName();
+		}
+	}
+
 	private String makeClsAlias(ClassNode cls) {
 		ClassInfo classInfo = cls.getClassInfo();
-		String alias = getAliasFromSourceFile(cls);
+		String alias = null;
+
+		if (this.useSourceNameAsAlias) {
+			alias = getAliasFromSourceFile(cls);
+		}
+
 		if (alias == null) {
 			String clsName = classInfo.getShortName();
-			alias = String.format("C%04d%s", clsIndex++, makeName(clsName));
+			alias = String.format("C%04d%s", clsIndex++, prepareNamePart(clsName));
 		}
 		PackageNode pkg = getPackageNode(classInfo.getPackage(), true);
 		clsMap.put(classInfo, new DeobfClsInfo(this, cls, pkg, alias));
@@ -228,21 +413,33 @@ public class Deobfuscator {
 		if (sourceFileAttr == null) {
 			return null;
 		}
+		if (cls.getClassInfo().isInner()) {
+			return null;
+		}
 		String name = sourceFileAttr.getFileName();
 		if (name.endsWith(".java")) {
 			name = name.substring(0, name.length() - ".java".length());
+		} else if (name.endsWith(".kt")) {
+			name = name.substring(0, name.length() - ".kt".length());
 		}
-		if (NameMapper.isValidIdentifier(name)
-				&& !NameMapper.isReserved(name)) {
-			// TODO: check if no class with this name exists or already renamed
-			cls.remove(AType.SOURCE_FILE);
-			return name;
+		if (!NameMapper.isValidAndPrintable(name)) {
+			return null;
 		}
-		return null;
+		for (DeobfClsInfo deobfClsInfo : clsMap.values()) {
+			if (deobfClsInfo.getAlias().equals(name)) {
+				return null;
+			}
+		}
+		ClassNode otherCls = cls.root().searchClassByName(cls.getPackage() + '.' + name);
+		if (otherCls != null) {
+			return null;
+		}
+		cls.remove(AType.SOURCE_FILE);
+		return name;
 	}
 
 	@Nullable
-	public String getFieldAlias(FieldNode field) {
+	private String getFieldAlias(FieldNode field) {
 		FieldInfo fieldInfo = field.getFieldInfo();
 		String alias = fldMap.get(fieldInfo);
 		if (alias != null) {
@@ -260,8 +457,11 @@ public class Deobfuscator {
 	}
 
 	@Nullable
-	public String getMethodAlias(MethodNode mth) {
+	private String getMethodAlias(MethodNode mth) {
 		MethodInfo methodInfo = mth.getMethodInfo();
+		if (methodInfo.isClassInit() || methodInfo.isConstructor()) {
+			return null;
+		}
 		String alias = mthMap.get(methodInfo);
 		if (alias != null) {
 			return alias;
@@ -269,6 +469,7 @@ public class Deobfuscator {
 		alias = deobfPresets.getForMth(methodInfo);
 		if (alias != null) {
 			mthMap.put(methodInfo, alias);
+			methodInfo.setAliasFromPreset(true);
 			return alias;
 		}
 		if (shouldRename(mth.getName())) {
@@ -278,18 +479,18 @@ public class Deobfuscator {
 	}
 
 	public String makeFieldAlias(FieldNode field) {
-		String alias = String.format("f%d%s", fldIndex++, makeName(field.getName()));
+		String alias = String.format("f%d%s", fldIndex++, prepareNamePart(field.getName()));
 		fldMap.put(field.getFieldInfo(), alias);
 		return alias;
 	}
 
 	public String makeMethodAlias(MethodNode mth) {
-		String alias = String.format("m%d%s", mthIndex++, makeName(mth.getName()));
+		String alias = String.format("m%d%s", mthIndex++, prepareNamePart(mth.getName()));
 		mthMap.put(mth.getMethodInfo(), alias);
 		return alias;
 	}
 
-	private void doPkg(PackageNode pkg, String fullName) {
+	private void processPackageFull(PackageNode pkg, String fullName) {
 		if (pkgSet.contains(fullName)) {
 			return;
 		}
@@ -299,47 +500,32 @@ public class Deobfuscator {
 		PackageNode parentPkg = pkg.getParentPackage();
 		while (!parentPkg.getName().isEmpty()) {
 			if (!parentPkg.hasAlias()) {
-				doPkg(parentPkg, parentPkg.getFullName());
+				processPackageFull(parentPkg, parentPkg.getFullName());
 			}
 			parentPkg = parentPkg.getParentPackage();
 		}
 
-		final String pkgName = pkg.getName();
-		if (!pkg.hasAlias() && shouldRename(pkgName)) {
-			final String pkgAlias = String.format("p%03d%s", pkgIndex++, makeName(pkgName));
-			pkg.setAlias(pkgAlias);
+		if (!pkg.hasAlias()) {
+			String pkgName = pkg.getName();
+			if ((args.isDeobfuscationOn() && shouldRename(pkgName))
+					|| (args.isRenameValid() && !NameMapper.isValidIdentifier(pkgName))
+					|| (args.isRenamePrintable() && !NameMapper.isAllCharsPrintable(pkgName))) {
+				String pkgAlias = String.format("p%03d%s", pkgIndex++, prepareNamePart(pkg.getName()));
+				pkg.setAlias(pkgAlias);
+			}
 		}
 	}
 
 	private boolean shouldRename(String s) {
-		return s.length() > maxLength
-				|| s.length() < minLength
-				|| NameMapper.isReserved(s)
-				|| !NameMapper.isAllCharsPrintable(s);
+		int len = s.length();
+		return len < minLength || len > maxLength;
 	}
 
-	private String makeName(String name) {
+	private String prepareNamePart(String name) {
 		if (name.length() > maxLength) {
-			return "x" + Integer.toHexString(name.hashCode());
+			return 'x' + Integer.toHexString(name.hashCode());
 		}
-		if (NameMapper.isReserved(name)) {
-			return name;
-		}
-		if (!NameMapper.isAllCharsPrintable(name)) {
-			return removeInvalidChars(name);
-		}
-		return name;
-	}
-
-	private String removeInvalidChars(String name) {
-		StringBuilder sb = new StringBuilder();
-		for (int i = 0; i < name.length(); i++) {
-			int ch = name.charAt(i);
-			if (NameMapper.isPrintableChar(ch)) {
-				sb.append((char) ch);
-			}
-		}
-		return sb.toString();
+		return NameMapper.removeInvalidCharsMiddle(name);
 	}
 
 	private void dumpClassAlias(ClassNode cls) {
@@ -363,7 +549,7 @@ public class Deobfuscator {
 	}
 
 	private String getPackageName(String packageName) {
-		final PackageNode pkg = getPackageNode(packageName, false);
+		PackageNode pkg = getPackageNode(packageName, false);
 		if (pkg != null) {
 			return pkg.getFullAlias();
 		}
@@ -371,7 +557,7 @@ public class Deobfuscator {
 	}
 
 	private String getClassName(ClassInfo clsInfo) {
-		final DeobfClsInfo deobfClsInfo = clsMap.get(clsInfo);
+		DeobfClsInfo deobfClsInfo = clsMap.get(clsInfo);
 		if (deobfClsInfo != null) {
 			return deobfClsInfo.makeNameWithoutPkg();
 		}
@@ -379,11 +565,8 @@ public class Deobfuscator {
 	}
 
 	private String getClassFullName(ClassNode cls) {
-		return getClassFullName(cls.getClassInfo());
-	}
-
-	private String getClassFullName(ClassInfo clsInfo) {
-		final DeobfClsInfo deobfClsInfo = clsMap.get(clsInfo);
+		ClassInfo clsInfo = cls.getClassInfo();
+		DeobfClsInfo deobfClsInfo = clsMap.get(clsInfo);
 		if (deobfClsInfo != null) {
 			return deobfClsInfo.getFullName();
 		}
@@ -405,4 +588,27 @@ public class Deobfuscator {
 	public PackageNode getRootPackage() {
 		return rootPackage;
 	}
+
+	private static boolean isR(ClassNode cls) {
+		if (!cls.getClassInfo().getShortName().equals("R")) {
+			return false;
+		}
+		if (!cls.getMethods().isEmpty() || !cls.getFields().isEmpty()) {
+			return false;
+		}
+		for (ClassNode inner : cls.getInnerClasses()) {
+			for (MethodNode m : inner.getMethods()) {
+				if (!m.getMethodInfo().isConstructor() && !m.getMethodInfo().isClassInit()) {
+					return false;
+				}
+			}
+			for (FieldNode field : cls.getFields()) {
+				ArgType type = field.getType();
+				if (type != ArgType.INT && (!type.isArray() || type.getArrayElement() != ArgType.INT)) {
+					return false;
+				}
+			}
+		}
+		return true;
+	}
 }

jadx-core/src/main/java/jadx/core/deobf/NameMapper.java

@@ -5,6 +5,8 @@ import java.util.HashSet;
 import java.util.Set;
 import java.util.regex.Pattern;
 
+import static jadx.core.utils.StringUtils.notEmpty;
+
 public class NameMapper {
 
 	private static final Pattern VALID_JAVA_IDENTIFIER = Pattern.compile(
@@ -13,8 +15,8 @@ public class NameMapper {
 	private static final Pattern VALID_JAVA_FULL_IDENTIFIER = Pattern.compile(
 			"(" + VALID_JAVA_IDENTIFIER + "\\.)*" + VALID_JAVA_IDENTIFIER);
 
-	private static final Set<String> RESERVED_NAMES = new HashSet<String>(
-			Arrays.asList(new String[]{
+	private static final Set<String> RESERVED_NAMES = new HashSet<>(
+			Arrays.asList(
 					"abstract",
 					"assert",
 					"boolean",
@@ -67,20 +69,34 @@ public class NameMapper {
 					"try",
 					"void",
 					"volatile",
-					"while",
-			})
-	);
+					"while"));
 
 	public static boolean isReserved(String str) {
 		return RESERVED_NAMES.contains(str);
 	}
 
 	public static boolean isValidIdentifier(String str) {
-		return VALID_JAVA_IDENTIFIER.matcher(str).matches() && isAllCharsPrintable(str);
+		return notEmpty(str)
+				&& !isReserved(str)
+				&& VALID_JAVA_IDENTIFIER.matcher(str).matches();
 	}
 
 	public static boolean isValidFullIdentifier(String str) {
-		return VALID_JAVA_FULL_IDENTIFIER.matcher(str).matches() && isAllCharsPrintable(str);
+		return notEmpty(str)
+				&& !isReserved(str)
+				&& VALID_JAVA_FULL_IDENTIFIER.matcher(str).matches();
+	}
+
+	public static boolean isValidAndPrintable(String str) {
+		return isValidIdentifier(str) && isAllCharsPrintable(str);
+	}
+
+	public static boolean isValidIdentifierStart(int codePoint) {
+		return Character.isJavaIdentifierStart(codePoint);
+	}
+
+	public static boolean isValidIdentifierPart(int codePoint) {
+		return Character.isJavaIdentifierPart(codePoint);
 	}
 
 	public static boolean isPrintableChar(int c) {
@@ -96,4 +112,54 @@ public class NameMapper {
 		}
 		return true;
 	}
+
+	/**
+	 * Return modified string with removed:
+	 * <p>
+	 * <ul>
+	 * <li>not printable chars (including unicode)
+	 * <li>chars not valid for java identifier part
+	 * </ul>
+	 * <p>
+	 * Note: this 'middle' method must be used with prefixed string:
+	 * <p>
+	 * <ul>
+	 * <li>can leave invalid chars for java identifier start (i.e numbers)
+	 * <li>result not checked for reserved words
+	 * </ul>
+	 * <p>
+	 */
+	public static String removeInvalidCharsMiddle(String name) {
+		if (isValidIdentifier(name) && isAllCharsPrintable(name)) {
+			return name;
+		}
+		int len = name.length();
+		StringBuilder sb = new StringBuilder(len);
+		for (int i = 0; i < len; i++) {
+			int codePoint = name.codePointAt(i);
+			if (isPrintableChar(codePoint) && isValidIdentifierPart(codePoint)) {
+				sb.append((char) codePoint);
+			}
+		}
+		return sb.toString();
+	}
+
+	/**
+	 * Return string with removed invalid chars, see {@link #removeInvalidCharsMiddle}
+	 * <p>
+	 * Prepend prefix if first char is not valid as java identifier start char.
+	 */
+	public static String removeInvalidChars(String name, String prefix) {
+		String result = removeInvalidCharsMiddle(name);
+		if (!result.isEmpty()) {
+			int codePoint = result.codePointAt(0);
+			if (!isValidIdentifierStart(codePoint)) {
+				return prefix + result;
+			}
+		}
+		return result;
+	}
+
+	private NameMapper() {
+	}
 }

jadx-core/src/main/java/jadx/core/deobf/OverridedMethodsNode.java

@@ -0,0 +1,26 @@
+package jadx.core.deobf;
+
+import java.util.Set;
+
+import jadx.core.dex.info.MethodInfo;
+
+class OverridedMethodsNode {
+
+	private Set<MethodInfo> methods;
+
+	public OverridedMethodsNode(Set<MethodInfo> methodsSet) {
+		methods = methodsSet;
+	}
+
+	public boolean contains(MethodInfo mth) {
+		return methods.contains(mth);
+	}
+
+	public void add(MethodInfo mth) {
+		methods.add(mth);
+	}
+
+	public Set<MethodInfo> getMethods() {
+		return methods;
+	}
+}

jadx-core/src/main/java/jadx/core/deobf/PackageNode.java

@@ -1,9 +1,10 @@
 package jadx.core.deobf;
 
+import java.util.ArrayDeque;
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.Deque;
 import java.util.List;
-import java.util.Stack;
 
 public class PackageNode {
 
@@ -29,11 +30,11 @@ public class PackageNode {
 
 	public String getFullName() {
 		if (cachedPackageFullName == null) {
-			Stack<PackageNode> pp = getParentPackages();
+			Deque<PackageNode> pp = getParentPackages();
 
 			StringBuilder result = new StringBuilder();
 			result.append(pp.pop().getName());
-			while (pp.size() > 0) {
+			while (!pp.isEmpty()) {
 				result.append(SEPARATOR_CHAR);
 				result.append(pp.pop().getName());
 			}
@@ -57,14 +58,29 @@ public class PackageNode {
 		return packageAlias != null;
 	}
 
+	public boolean hasAnyAlias() {
+		if (hasAlias()) {
+			return true;
+		}
+		if (parentPackage != this) {
+			return parentPackage.hasAnyAlias();
+		}
+		return false;
+	}
+
 	public String getFullAlias() {
 		if (cachedPackageFullAlias == null) {
-			Stack<PackageNode> pp = getParentPackages();
+			Deque<PackageNode> pp = getParentPackages();
 			StringBuilder result = new StringBuilder();
-			result.append(pp.pop().getAlias());
-			while (pp.size() > 0) {
-				result.append(SEPARATOR_CHAR);
+
+			if (!pp.isEmpty()) {
 				result.append(pp.pop().getAlias());
+				while (!pp.isEmpty()) {
+					result.append(SEPARATOR_CHAR);
+					result.append(pp.pop().getAlias());
+				}
+			} else {
+				result.append(this.getAlias());
 			}
 			cachedPackageFullAlias = result.toString();
 		}
@@ -81,7 +97,7 @@ public class PackageNode {
 
 	public void addInnerPackage(PackageNode pkg) {
 		if (innerPackages.isEmpty()) {
-			innerPackages = new ArrayList<PackageNode>();
+			innerPackages = new ArrayList<>();
 		}
 		innerPackages.add(pkg);
 		pkg.parentPackage = this;
@@ -109,17 +125,21 @@ public class PackageNode {
 	 *
 	 * @return stack with parent packages
 	 */
-	private Stack<PackageNode> getParentPackages() {
-		Stack<PackageNode> pp = new Stack<PackageNode>();
+	private Deque<PackageNode> getParentPackages() {
+		Deque<PackageNode> pp = new ArrayDeque<>();
 
-		PackageNode currentP = this;
-		PackageNode parentP = currentP.getParentPackage();
-
-		while (currentP != parentP) {
-			pp.push(currentP);
-			currentP = parentP;
-			parentP = currentP.getParentPackage();
+		PackageNode currentPkg = this;
+		PackageNode parentPkg = currentPkg.getParentPackage();
+		while (currentPkg != parentPkg) {
+			pp.push(currentPkg);
+			currentPkg = parentPkg;
+			parentPkg = currentPkg.getParentPackage();
 		}
 		return pp;
 	}
+
+	@Override
+	public String toString() {
+		return packageAlias;
+	}
 }

jadx-core/src/main/java/jadx/core/dex/attributes/AFlag.java

@@ -1,6 +1,7 @@
 package jadx.core.dex.attributes;
 
 public enum AFlag {
+	MTH_ENTER_BLOCK,
 	TRY_ENTER,
 	TRY_LEAVE,
 
@@ -12,19 +13,45 @@ public enum AFlag {
 	RETURN, // block contains only return instruction
 	ORIG_RETURN,
 
-	DECLARE_VAR,
 	DONT_WRAP,
-
-	DONT_SHRINK,
 	DONT_INLINE,
-	DONT_GENERATE,
-	SKIP,
-	REMOVE,
+	DONT_GENERATE, // process as usual, but don't output to generated code
+	COMMENT_OUT, // process as usual, but comment insn in generated code
+	REMOVE, // can be completely removed
+
+	HIDDEN, // instruction used inside other instruction but not listed in args
+
+	RESTART_CODEGEN,
+	DONT_RENAME, // do not rename during deobfuscation
+	ADDED_TO_REGION,
+
+	FINALLY_INSNS,
 
 	SKIP_FIRST_ARG,
+	SKIP_ARG, // skip argument in invoke call
 	ANONYMOUS_CONSTRUCTOR,
 	ANONYMOUS_CLASS,
 
+	THIS,
+
+	/**
+	 * RegisterArg attribute for method arguments
+	 */
+	METHOD_ARGUMENT,
+
+	/**
+	 * Type of RegisterArg or SSAVar can't be changed
+	 */
+	IMMUTABLE_TYPE,
+
+	/**
+	 * Force inline instruction with inline assign
+	 */
+	FORCE_ASSIGN_INLINE,
+
+	CUSTOM_DECLARE, // variable for this register don't need declaration
+	DECLARE_VAR,
+
 	ELSE_IF_CHAIN,
 
 	WRAPPED,
@@ -32,5 +59,13 @@ public enum AFlag {
 
 	FALL_THROUGH,
 
+	EXPLICIT_GENERICS,
+
+	/**
+	 * Use constants with explicit type: cast '(byte) 1' or type letter '7L'
+	 */
+	EXPLICIT_PRIMITIVE_TYPE,
+	EXPLICIT_CAST,
+
 	INCONSISTENT_CODE, // warning about incorrect decompilation
 }

jadx-core/src/main/java/jadx/core/dex/attributes/AType.java

@@ -1,21 +1,30 @@
 package jadx.core.dex.attributes;
 
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
+
 import jadx.core.dex.attributes.annotations.AnnotationsList;
 import jadx.core.dex.attributes.annotations.MethodParameters;
 import jadx.core.dex.attributes.nodes.DeclareVariablesAttr;
+import jadx.core.dex.attributes.nodes.EdgeInsnAttr;
 import jadx.core.dex.attributes.nodes.EnumClassAttr;
 import jadx.core.dex.attributes.nodes.EnumMapAttr;
 import jadx.core.dex.attributes.nodes.FieldReplaceAttr;
 import jadx.core.dex.attributes.nodes.ForceReturnAttr;
 import jadx.core.dex.attributes.nodes.IgnoreEdgeAttr;
-import jadx.core.dex.attributes.nodes.JadxErrorAttr;
+import jadx.core.dex.attributes.nodes.JadxError;
 import jadx.core.dex.attributes.nodes.JumpInfo;
+import jadx.core.dex.attributes.nodes.LocalVarsDebugInfoAttr;
 import jadx.core.dex.attributes.nodes.LoopInfo;
 import jadx.core.dex.attributes.nodes.LoopLabelAttr;
 import jadx.core.dex.attributes.nodes.MethodInlineAttr;
 import jadx.core.dex.attributes.nodes.PhiListAttr;
+import jadx.core.dex.attributes.nodes.RegDebugInfoAttr;
+import jadx.core.dex.attributes.nodes.RenameReasonAttr;
+import jadx.core.dex.attributes.nodes.SkipMethodArgsAttr;
 import jadx.core.dex.attributes.nodes.SourceFileAttr;
-import jadx.core.dex.nodes.parser.FieldValueAttr;
+import jadx.core.dex.nodes.parser.FieldInitAttr;
 import jadx.core.dex.trycatch.CatchAttr;
 import jadx.core.dex.trycatch.ExcHandlerAttr;
 import jadx.core.dex.trycatch.SplitterBlockAttr;
@@ -28,24 +37,54 @@ import jadx.core.dex.trycatch.SplitterBlockAttr;
  */
 public class AType<T extends IAttribute> {
 
-	public static final AType<AttrList<JumpInfo>> JUMP = new AType<AttrList<JumpInfo>>();
-	public static final AType<AttrList<LoopInfo>> LOOP = new AType<AttrList<LoopInfo>>();
+	// class, method, field
+	public static final AType<AnnotationsList> ANNOTATION_LIST = new AType<>();
+	public static final AType<RenameReasonAttr> RENAME_REASON = new AType<>();
 
-	public static final AType<ExcHandlerAttr> EXC_HANDLER = new AType<ExcHandlerAttr>();
-	public static final AType<CatchAttr> CATCH_BLOCK = new AType<CatchAttr>();
-	public static final AType<SplitterBlockAttr> SPLITTER_BLOCK = new AType<SplitterBlockAttr>();
-	public static final AType<ForceReturnAttr> FORCE_RETURN = new AType<ForceReturnAttr>();
-	public static final AType<FieldValueAttr> FIELD_VALUE = new AType<FieldValueAttr>();
-	public static final AType<FieldReplaceAttr> FIELD_REPLACE = new AType<FieldReplaceAttr>();
-	public static final AType<JadxErrorAttr> JADX_ERROR = new AType<JadxErrorAttr>();
-	public static final AType<MethodInlineAttr> METHOD_INLINE = new AType<MethodInlineAttr>();
-	public static final AType<EnumClassAttr> ENUM_CLASS = new AType<EnumClassAttr>();
-	public static final AType<EnumMapAttr> ENUM_MAP = new AType<EnumMapAttr>();
-	public static final AType<AnnotationsList> ANNOTATION_LIST = new AType<AnnotationsList>();
-	public static final AType<MethodParameters> ANNOTATION_MTH_PARAMETERS = new AType<MethodParameters>();
-	public static final AType<PhiListAttr> PHI_LIST = new AType<PhiListAttr>();
-	public static final AType<SourceFileAttr> SOURCE_FILE = new AType<SourceFileAttr>();
-	public static final AType<DeclareVariablesAttr> DECLARE_VARIABLES = new AType<DeclareVariablesAttr>();
-	public static final AType<LoopLabelAttr> LOOP_LABEL = new AType<LoopLabelAttr>();
-	public static final AType<IgnoreEdgeAttr> IGNORE_EDGE = new AType<IgnoreEdgeAttr>();
+	// class, method
+	public static final AType<AttrList<JadxError>> JADX_ERROR = new AType<>(); // code failed to decompile completely
+	public static final AType<AttrList<String>> JADX_WARN = new AType<>(); // mark code as inconsistent (code can be viewed)
+	public static final AType<AttrList<String>> COMMENTS = new AType<>(); // any additional info about decompilation
+
+	// class
+	public static final AType<SourceFileAttr> SOURCE_FILE = new AType<>();
+	public static final AType<EnumClassAttr> ENUM_CLASS = new AType<>();
+	public static final AType<EnumMapAttr> ENUM_MAP = new AType<>();
+
+	// field
+	public static final AType<FieldInitAttr> FIELD_INIT = new AType<>();
+	public static final AType<FieldReplaceAttr> FIELD_REPLACE = new AType<>();
+
+	// method
+	public static final AType<LocalVarsDebugInfoAttr> LOCAL_VARS_DEBUG_INFO = new AType<>();
+	public static final AType<MethodInlineAttr> METHOD_INLINE = new AType<>();
+	public static final AType<MethodParameters> ANNOTATION_MTH_PARAMETERS = new AType<>();
+	public static final AType<SkipMethodArgsAttr> SKIP_MTH_ARGS = new AType<>();
+
+	// region
+	public static final AType<DeclareVariablesAttr> DECLARE_VARIABLES = new AType<>();
+
+	// block
+	public static final AType<PhiListAttr> PHI_LIST = new AType<>();
+	public static final AType<IgnoreEdgeAttr> IGNORE_EDGE = new AType<>();
+	public static final AType<ForceReturnAttr> FORCE_RETURN = new AType<>();
+	public static final AType<CatchAttr> CATCH_BLOCK = new AType<>();
+	public static final AType<SplitterBlockAttr> SPLITTER_BLOCK = new AType<>();
+	public static final AType<AttrList<LoopInfo>> LOOP = new AType<>();
+	public static final AType<AttrList<EdgeInsnAttr>> EDGE_INSN = new AType<>();
+
+	// block or insn
+	public static final AType<ExcHandlerAttr> EXC_HANDLER = new AType<>();
+
+	// instruction
+	public static final AType<LoopLabelAttr> LOOP_LABEL = new AType<>();
+	public static final AType<AttrList<JumpInfo>> JUMP = new AType<>();
+
+	// register
+	public static final AType<RegDebugInfoAttr> REG_DEBUG_INFO = new AType<>();
+
+	public static final Set<AType<?>> SKIP_ON_UNLOAD = new HashSet<>(Arrays.asList(
+			FIELD_REPLACE,
+			METHOD_INLINE,
+			SKIP_MTH_ARGS));
 }

jadx-core/src/main/java/jadx/core/dex/attributes/AttrList.java

@@ -1,14 +1,14 @@
 package jadx.core.dex.attributes;
 
-import jadx.core.utils.Utils;
-
-import java.util.LinkedList;
+import java.util.ArrayList;
 import java.util.List;
 
+import jadx.core.utils.Utils;
+
 public class AttrList<T> implements IAttribute {
 
 	private final AType<AttrList<T>> type;
-	private final List<T> list = new LinkedList<T>();
+	private final List<T> list = new ArrayList<>();
 
 	public AttrList(AType<AttrList<T>> type) {
 		this.type = type;
@@ -25,6 +25,6 @@ public class AttrList<T> implements IAttribute {
 
 	@Override
 	public String toString() {
-		return Utils.listToString(list);
+		return Utils.listToString(list, "\n");
 	}
 }

jadx-core/src/main/java/jadx/core/dex/attributes/AttrNode.java

@@ -1,9 +1,9 @@
 package jadx.core.dex.attributes;
 
-import jadx.core.dex.attributes.annotations.Annotation;
-
 import java.util.List;
 
+import jadx.core.dex.attributes.annotations.Annotation;
+
 public abstract class AttrNode implements IAttributeNode {
 
 	private static final AttributeStorage EMPTY_ATTR_STORAGE = new EmptyAttrStorage();
@@ -27,10 +27,13 @@ public abstract class AttrNode implements IAttributeNode {
 
 	@Override
 	public void copyAttributesFrom(AttrNode attrNode) {
-		initStorage().addAll(attrNode.storage);
+		AttributeStorage copyFrom = attrNode.storage;
+		if (!copyFrom.isEmpty()) {
+			initStorage().addAll(copyFrom);
+		}
 	}
 
-	AttributeStorage initStorage() {
+	private AttributeStorage initStorage() {
 		AttributeStorage store = storage;
 		if (store == EMPTY_ATTR_STORAGE) {
 			store = new AttributeStorage();
@@ -39,6 +42,12 @@ public abstract class AttrNode implements IAttributeNode {
 		return store;
 	}
 
+	private void unloadIfEmpty() {
+		if (storage.isEmpty() && storage != EMPTY_ATTR_STORAGE) {
+			storage = EMPTY_ATTR_STORAGE;
+		}
+	}
+
 	@Override
 	public boolean contains(AFlag flag) {
 		return storage.contains(flag);
@@ -67,21 +76,36 @@ public abstract class AttrNode implements IAttributeNode {
 	@Override
 	public void remove(AFlag flag) {
 		storage.remove(flag);
+		unloadIfEmpty();
 	}
 
 	@Override
 	public <T extends IAttribute> void remove(AType<T> type) {
 		storage.remove(type);
+		unloadIfEmpty();
 	}
 
 	@Override
 	public void removeAttr(IAttribute attr) {
 		storage.remove(attr);
+		unloadIfEmpty();
 	}
 
 	@Override
 	public void clearAttributes() {
 		storage.clear();
+		unloadIfEmpty();
+	}
+
+	/**
+	 * Remove all attribute with exceptions from {@link AType#SKIP_ON_UNLOAD}
+	 */
+	public void unloadAttributes() {
+		if (storage == EMPTY_ATTR_STORAGE) {
+			return;
+		}
+		storage.unloadAttributes();
+		unloadIfEmpty();
 	}
 
 	@Override
@@ -93,4 +117,8 @@ public abstract class AttrNode implements IAttributeNode {
 	public String getAttributesString() {
 		return storage.toString();
 	}
+
+	public boolean isAttrStorageEmpty() {
+		return storage.isEmpty();
+	}
 }

jadx-core/src/main/java/jadx/core/dex/attributes/AttributeStorage.java

@@ -1,9 +1,5 @@
 package jadx.core.dex.attributes;
 
-import jadx.core.dex.attributes.annotations.Annotation;
-import jadx.core.dex.attributes.annotations.AnnotationsList;
-import jadx.core.utils.Utils;
-
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.EnumSet;
@@ -12,6 +8,10 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
+import jadx.core.dex.attributes.annotations.Annotation;
+import jadx.core.dex.attributes.annotations.AnnotationsList;
+import jadx.core.utils.Utils;
+
 /**
  * Storage for different attribute types:
  * 1. flags - boolean attribute (set or not)
@@ -20,11 +20,11 @@ import java.util.Set;
 public class AttributeStorage {
 
 	private final Set<AFlag> flags;
-	private final Map<AType<?>, IAttribute> attributes;
+	private Map<AType<?>, IAttribute> attributes;
 
 	public AttributeStorage() {
 		flags = EnumSet.noneOf(AFlag.class);
-		attributes = new IdentityHashMap<AType<?>, IAttribute>();
+		attributes = Collections.emptyMap();
 	}
 
 	public void add(AFlag flag) {
@@ -32,13 +32,13 @@ public class AttributeStorage {
 	}
 
 	public void add(IAttribute attr) {
-		attributes.put(attr.getType(), attr);
+		writeAttributes().put(attr.getType(), attr);
 	}
 
 	public <T> void add(AType<AttrList<T>> type, T obj) {
 		AttrList<T> list = get(type);
 		if (list == null) {
-			list = new AttrList<T>(type);
+			list = new AttrList<>(type);
 			add(list);
 		}
 		list.getList().add(obj);
@@ -46,7 +46,7 @@ public class AttributeStorage {
 
 	public void addAll(AttributeStorage otherList) {
 		flags.addAll(otherList.flags);
-		attributes.putAll(otherList.attributes);
+		writeAttributes().putAll(otherList.attributes);
 	}
 
 	public boolean contains(AFlag flag) {
@@ -80,20 +80,41 @@ public class AttributeStorage {
 	}
 
 	public <T extends IAttribute> void remove(AType<T> type) {
-		attributes.remove(type);
-	}
-
-	public void remove(IAttribute attr) {
-		AType<?> type = attr.getType();
-		IAttribute a = attributes.get(type);
-		if (a == attr) {
+		if (!attributes.isEmpty()) {
 			attributes.remove(type);
 		}
 	}
 
+	public void remove(IAttribute attr) {
+		if (!attributes.isEmpty()) {
+			AType<? extends IAttribute> type = attr.getType();
+			IAttribute a = attributes.get(type);
+			if (a == attr) {
+				attributes.remove(type);
+			}
+		}
+	}
+
+	private Map<AType<?>, IAttribute> writeAttributes() {
+		if (attributes.isEmpty()) {
+			attributes = new IdentityHashMap<>(5);
+		}
+		return attributes;
+	}
+
 	public void clear() {
 		flags.clear();
-		attributes.clear();
+		if (!attributes.isEmpty()) {
+			attributes.clear();
+		}
+	}
+
+	public synchronized void unloadAttributes() {
+		if (attributes.isEmpty()) {
+			return;
+		}
+		Set<AType<?>> skipOnUnload = AType.SKIP_ON_UNLOAD;
+		attributes.keySet().removeIf(attrType -> !skipOnUnload.contains(attrType));
 	}
 
 	public List<String> getAttributeStrings() {
@@ -101,7 +122,7 @@ public class AttributeStorage {
 		if (size == 0) {
 			return Collections.emptyList();
 		}
-		List<String> list = new ArrayList<String>(size);
+		List<String> list = new ArrayList<>(size);
 		for (AFlag a : flags) {
 			list.add(a.toString());
 		}
@@ -111,12 +132,17 @@ public class AttributeStorage {
 		return list;
 	}
 
+	public boolean isEmpty() {
+		return flags.isEmpty() && attributes.isEmpty();
+	}
+
 	@Override
 	public String toString() {
 		List<String> list = getAttributeStrings();
 		if (list.isEmpty()) {
 			return "";
 		}
-		return "A:{" + Utils.listToString(list) + "}";
+		list.sort(String::compareTo);
+		return "A[" + Utils.listToString(list) + ']';
 	}
 }

jadx-core/src/main/java/jadx/core/dex/attributes/EmptyAttrStorage.java

@@ -1,10 +1,10 @@
 package jadx.core.dex.attributes;
 
-import jadx.core.dex.attributes.annotations.Annotation;
-
 import java.util.Collections;
 import java.util.List;
 
+import jadx.core.dex.attributes.annotations.Annotation;
+
 public final class EmptyAttrStorage extends AttributeStorage {
 
 	@Override
@@ -34,18 +34,22 @@ public final class EmptyAttrStorage extends AttributeStorage {
 
 	@Override
 	public void clear() {
+		// ignore
 	}
 
 	@Override
 	public void remove(AFlag flag) {
+		// ignore
 	}
 
 	@Override
 	public <T extends IAttribute> void remove(AType<T> type) {
+		// ignore
 	}
 
 	@Override
 	public void remove(IAttribute attr) {
+		// ignore
 	}
 
 	@Override
@@ -53,6 +57,11 @@ public final class EmptyAttrStorage extends AttributeStorage {
 		return Collections.emptyList();
 	}
 
+	@Override
+	public boolean isEmpty() {
+		return true;
+	}
+
 	@Override
 	public String toString() {
 		return "";

jadx-core/src/main/java/jadx/core/dex/attributes/IAttribute.java

@@ -1,7 +1,5 @@
 package jadx.core.dex.attributes;
 
 public interface IAttribute {
-
-	AType<?> getType();
-
+	AType<? extends IAttribute> getType();
 }

jadx-core/src/main/java/jadx/core/dex/attributes/IAttributeNode.java

@@ -1,9 +1,9 @@
 package jadx.core.dex.attributes;
 
-import jadx.core.dex.attributes.annotations.Annotation;
-
 import java.util.List;
 
+import jadx.core.dex.attributes.annotations.Annotation;
+
 public interface IAttributeNode {
 
 	void add(AFlag flag);

jadx-core/src/main/java/jadx/core/dex/attributes/annotations/Annotation.java

@@ -1,9 +1,9 @@
 package jadx.core.dex.attributes.annotations;
 
-import jadx.core.dex.instructions.args.ArgType;
-
 import java.util.Map;
 
+import jadx.core.dex.instructions.args.ArgType;
+
 public class Annotation {
 
 	public enum Visibility {
@@ -42,7 +42,6 @@ public class Annotation {
 
 	@Override
 	public String toString() {
-		return "Annotation[" + visibility + ", " + atype + ", " + values + "]";
+		return "Annotation[" + visibility + ", " + atype + ", " + values + ']';
 	}
-
 }

jadx-core/src/main/java/jadx/core/dex/attributes/annotations/AnnotationsList.java

@@ -1,23 +1,23 @@
 package jadx.core.dex.attributes.annotations;
 
-import jadx.core.dex.attributes.AType;
-import jadx.core.dex.attributes.IAttribute;
-import jadx.core.utils.Utils;
-
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import jadx.core.dex.attributes.AType;
+import jadx.core.dex.attributes.IAttribute;
+import jadx.core.utils.Utils;
+
 public class AnnotationsList implements IAttribute {
 
-	public static final AnnotationsList EMPTY = new AnnotationsList(Collections.<Annotation>emptyList());
+	public static final AnnotationsList EMPTY = new AnnotationsList(Collections.emptyList());
 
 	private final Map<String, Annotation> map;
 
 	public AnnotationsList(List<Annotation> anList) {
-		map = new HashMap<String, Annotation>(anList.size());
+		map = new HashMap<>(anList.size());
 		for (Annotation a : anList) {
 			map.put(a.getAnnotationClass(), a);
 		}
@@ -48,5 +48,4 @@ public class AnnotationsList implements IAttribute {
 	public String toString() {
 		return Utils.listToString(map.values());
 	}
-
 }

jadx-core/src/main/java/jadx/core/dex/attributes/annotations/MethodParameters.java

@@ -1,18 +1,18 @@
 package jadx.core.dex.attributes.annotations;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import jadx.core.dex.attributes.AType;
 import jadx.core.dex.attributes.IAttribute;
 import jadx.core.utils.Utils;
 
-import java.util.ArrayList;
-import java.util.List;
-
 public class MethodParameters implements IAttribute {
 
 	private final List<AnnotationsList> paramList;
 
 	public MethodParameters(int paramCount) {
-		paramList = new ArrayList<AnnotationsList>(paramCount);
+		paramList = new ArrayList<>(paramCount);
 	}
 
 	public List<AnnotationsList> getParamList() {
@@ -28,5 +28,4 @@ public class MethodParameters implements IAttribute {
 	public String toString() {
 		return Utils.listToString(paramList);
 	}
-
 }