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

@@ -1,20 +1,41 @@
 language: java
-jdk:
-    - oraclejdk7
-    - openjdk7
-    - openjdk6
-env:
-    - TERM=dumb
+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:
-    - ./gradlew clean build dist
+# override install to skip 'gradle assemble'
+install: true
 
-after_success:
-    - ./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)"
 
-notifications:
-    email:
-        - skylot@gmail.com
+jdk:
+  - openjdk8
+  - openjdk11
+
+script: ./gradlew clean build
+
+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`

LICENSE

@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
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+
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+
+      "You" (or "Your") shall mean an individual or Legal Entity
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+
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+          of the NOTICE file are for informational purposes only and
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+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
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+
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+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
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+      risks associated with Your exercise of permissions under this License.
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+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
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+      defend, and hold each Contributor harmless for any liability
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+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "{}"
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+   you may not use this file except in compliance with the License.
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+
+       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.

NOTICE

@@ -1,8 +1,8 @@
 The majority of jadx is written and copyrighted by me (Skylot)
-and released under the Apache 2.0 license:
+and released under the Apache 2.0 license (see LICENSE file for full license text):
 
 *******************************************************************************
-Copyright 2013, Skylot
+Copyright 2015, Skylot
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -18,8 +18,8 @@ limitations under the License.
 *******************************************************************************
 
 
-Various portions of the code including dx library are taken from 
-the Android Open Source Project, and are used in accordance with 
+Various portions of the code including dx library are taken from
+the Android Open Source Project, and are used in accordance with
 the following license:
 
 *******************************************************************************
@@ -74,10 +74,10 @@ Copyright (c) 2004-2011 QOS.ch
  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
@@ -92,24 +92,60 @@ Logback source code and binaries are dual-licensed under the EPL v1.0 and the LG
 
 *******************************************************************************
 Logback: the reliable, generic, fast and flexible logging framework.
-Copyright (C) 1999-2012, QOS.ch. All rights reserved. 
+Copyright (C) 1999-2012, QOS.ch. All rights reserved.
 
 This program and the accompanying materials are dual-licensed under
 either the terms of the Eclipse Public License v1.0 as published by
 the Eclipse Foundation
- 
+
   or (per the licensee's choosing)
- 
+
 under the terms of the GNU Lesser General Public License version 2.1
 as published by the Free Software Foundation.
 *******************************************************************************
 
 
+ASM library:
+
+*******************************************************************************
+Copyright (c) 2000-2011 INRIA, France Telecom
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holders nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+THE POSSIBILITY OF SUCH DAMAGE.
+*******************************************************************************
+
+
 
 Jadx-gui components
 ===================
 
-RSyntaxTextArea library licensed under modified BSD liense:
+RSyntaxTextArea library (https://github.com/bobbylight/RSyntaxTextArea)
+licensed under modified BSD license:
 
 *******************************************************************************
 Copyright (c) 2012, Robert Futrell
@@ -139,7 +175,39 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *******************************************************************************
 
 
+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/)
-
+ - 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

@@ -1,56 +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
 
+**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 or .jar)
+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)
-     --cfg           - save methods control flow graph to dot file
-     --raw-cfg       - save methods control flow graph (use raw instructions)
- -v, --verbose       - verbose output
- -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
+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 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)
+
+### 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 2014 by Skylot*
+*Copyright 2019 by Skylot*

build.gradle

@@ -1,92 +1,161 @@
-ext.jadxVersion = file('version').readLines().get(0)
+plugins {
+	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"
+}
+
+ext.jadxVersion = System.getenv('JADX_VERSION') ?: "dev"
 version = jadxVersion
+println("jadx version: ${jadxVersion}")
 
-apply plugin: 'sonar-runner'
+allprojects {
+	apply plugin: 'java'
+	apply plugin: 'jacoco'
+	apply plugin: 'checkstyle'
 
-subprojects {
-    apply plugin: 'java'
-    apply plugin: 'groovy'
-    apply plugin: 'jacoco'
-    apply plugin: 'coveralls'
+	version = jadxVersion
 
-    version = jadxVersion
+	tasks.withType(JavaCompile) {
+		if (!"$it".contains(':jadx-samples:')) {
+			options.compilerArgs << '-Xlint' << '-Xlint:unchecked' << '-Xlint:deprecation'
+		}
+	}
 
-    tasks.withType(JavaCompile) {
-        sourceCompatibility = JavaVersion.VERSION_1_6
-        targetCompatibility = JavaVersion.VERSION_1_6
+	compileJava {
+		options.encoding = "UTF-8"
+	}
 
-        if (!"$it".contains(':jadx-samples:')) {
-            options.compilerArgs << '-Xlint' << '-Xlint:unchecked' << '-Xlint:deprecation'
-        }
-    }
+	jar {
+		version = jadxVersion
+		manifest {
+			mainAttributes('jadx-version': jadxVersion)
+		}
+	}
 
-    jar {
-        version = jadxVersion
-        manifest {
-            mainAttributes('jadx-version': jadxVersion)
-        }
-    }
+	dependencies {
+		compile 'org.slf4j:slf4j-api:1.7.29'
 
-    dependencies {
-        compile 'org.slf4j:slf4j-api:1.7.7'
+		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'
 
-        testCompile 'ch.qos.logback:logback-classic:1.1.2'
-        testCompile 'junit:junit:4.11'
-        testCompile 'org.mockito:mockito-core:1.9.5'
-        testCompile 'org.spockframework:spock-core:0.7-groovy-2.0'
-        testCompile 'cglib:cglib-nodep:3.1'
-    }
+		testImplementation 'org.junit.jupiter:junit-jupiter-api:5.5.2'
+		testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.5.2'
 
-    repositories {
-        mavenCentral()
-    }
+		testCompile 'org.eclipse.jdt.core.compiler:ecj:4.6.1'
+	}
 
-    jacocoTestReport {
-        reports {
-            xml.enabled = true // coveralls plugin depends on xml format report
-            html.enabled = true
-        }
-    }
+	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/**'
+	}
 }
 
-buildscript {
-    repositories {
-        mavenCentral()
-    }
-
-    dependencies {
-        // setup coveralls (http://coveralls.io/) see http://github.com/kt3k/coveralls-gradle-plugin
-        classpath 'org.kt3k.gradle.plugin:coveralls-gradle-plugin:0.4.0'
-    }
+sonarqube {
+	properties {
+		property 'sonar.exclusions', '**/jadx/samples/**/*,**/test-app/**/*'
+		property 'sonar.coverage.exclusions', '**/jadx/gui/**/*'
+	}
 }
 
-task copyArtifacts(type: Sync, dependsOn: ['jadx-cli:installApp', 'jadx-gui:installApp']) {
-    destinationDir file("$buildDir/jadx")
-    ['jadx-cli', 'jadx-gui'].each {
-        from tasks.getByPath(":${it}:installApp").destinationDir
-    }
+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
+	}
 }
 
 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') {
+	group 'jadx'
 }
 
-task build(dependsOn: [dist, samples]) {
+task cleanBuildDir(type: Delete) {
+	group 'jadx'
+	delete buildDir
 }
 
-task clean(type: Delete) {
-    delete buildDir
-}
+test.dependsOn(samples)
 
-task wrapper(type: Wrapper) {
-    gradleVersion = '1.12'
-}
+clean.dependsOn(cleanBuildDir)

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"/>
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+        <setting id="org.eclipse.jdt.core.formatter.indent_body_declarations_compare_to_enum_declaration_header" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_opening_bracket_in_array_allocation_expression" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_opening_paren_in_constructor_declaration" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_colon_in_conditional" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_parameterized_type_reference" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_comma_in_method_declaration_parameters" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_closing_angle_bracket_in_type_arguments" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_closing_paren_in_cast" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_colon_in_assert" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.blank_lines_before_member_type" value="1"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_new_line_before_while_in_do_statement" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_logical_operator" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_bracket_in_array_type_reference" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_closing_angle_bracket_in_parameterized_type_reference" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.alignment_for_arguments_in_qualified_allocation_expression" value="16"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_new_line_after_opening_brace_in_array_initializer" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.indent_breaks_compare_to_cases" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_closing_paren_in_method_declaration" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.wrap_before_bitwise_operator" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_opening_paren_in_if" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_semicolon" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.wrap_before_relational_operator" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_postfix_operator" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_opening_paren_in_try" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_type_arguments" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_opening_paren_in_cast" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.comment.format_block_comments" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_lambda_arrow" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_opening_paren_in_method_declaration" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.comment.indent_tag_description" value="false"/>
+        <setting id="org.eclipse.jdt.core.formatter.keep_imple_if_on_one_line" value="false"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_enum_declaration" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.alignment_for_parameters_in_method_declaration" value="16"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_between_brackets_in_array_type_reference" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_type_parameters" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.alignment_for_string_concatenation" value="16"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_semicolon_in_for" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_comma_in_method_declaration_throws" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_bracket_in_array_allocation_expression" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.indent_statements_compare_to_body" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.alignment_for_multiple_fields" value="16"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_comma_in_enum_constant_arguments" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.keep_simple_while_body_on_same_line" value="false"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_prefix_operator" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.brace_position_for_array_initializer" value="end_of_line"/>
+        <setting id="org.eclipse.jdt.core.formatter.wrap_before_logical_operator" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_shift_operator" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_method_declaration" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_comma_in_type_parameters" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_closing_paren_in_catch" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_closing_bracket_in_array_reference" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_comma_in_annotation" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_comma_in_enum_constant_arguments" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.parentheses_positions_in_lambda_declaration" value="common_lines"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_shift_operator" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_between_empty_braces_in_array_initializer" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_colon_in_case" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_comma_in_multiple_local_declarations" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.keep_simple_do_while_body_on_same_line" value="false"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_annotation_type_declaration" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_bracket_in_array_reference" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.keep_enum_declaration_on_one_line" value="one_line_never"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_method_declaration" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.wrap_outer_expressions_when_nested" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_closing_paren_in_cast" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.brace_position_for_enum_constant" value="end_of_line"/>
+        <setting id="org.eclipse.jdt.core.formatter.brace_position_for_type_declaration" value="end_of_line"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_multiplicative_operator" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.blank_lines_before_package" value="0"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_for" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_synchronized" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_comma_in_for_increments" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_annotation_type_member_declaration" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.alignment_for_expressions_in_for_loop_header" value="0"/>
+        <setting id="org.eclipse.jdt.core.formatter.wrap_before_additive_operator" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.keep_simple_getter_setter_on_one_line" value="false"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_opening_paren_in_while" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_closing_paren_in_enum_constant" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_comma_in_explicitconstructorcall_arguments" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_closing_paren_in_annotation" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_opening_angle_bracket_in_type_parameters" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.indent_body_declarations_compare_to_enum_constant_header" value="true"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_string_concatenation" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_lambda_arrow" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_constructor_declaration" value="insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_comma_in_constructor_declaration_throws" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.join_lines_in_comments" value="false"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_closing_angle_bracket_in_type_parameters" value="do not insert"/>
+        <setting id="org.eclipse.jdt.core.formatter.insert_space_before_question_in_conditional" value="insert"/>
+        <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=http\://services.gradle.org/distributions/gradle-1.12-bin.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

@@ -1,29 +1,24 @@
-apply plugin: 'application'
-
-mainClassName = 'jadx.cli.JadxCLI'
-applicationName = 'jadx'
-
-dependencies {
-    compile(project(':jadx-core'))
-    compile 'com.beust:jcommander:1.35'
-    compile 'ch.qos.logback:logback-classic:1.1.2'
+plugins {
+	id 'application'
 }
 
-startScripts {
-    doLast {
-        // increase default max heap size
-        String var = 'DEFAULT_JVM_OPTS='
-        String args = '-Xmx1300M'
-        unixScript.text = unixScript.text.replace(var + '""', var + '"' + args + '"')
-        windowsScript.text = windowsScript.text.replace(var, var + args)
-    }
+dependencies {
+	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'
-    }
+	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

@@ -1,73 +1,49 @@
 package jadx.cli;
 
-import jadx.api.JadxDecompiler;
-import jadx.core.utils.ErrorsCounter;
-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) {
+		int result = 0;
 		try {
 			JadxCLIArgs jadxArgs = new JadxCLIArgs();
-			if (processArgs(jadxArgs, args)) {
-				processAndSave(jadxArgs);
+			if (jadxArgs.processArgs(args)) {
+				result = processAndSave(jadxArgs);
 			}
-		} catch (JadxException e) {
-			LOG.error(e.getMessage());
-			System.exit(1);
+		} catch (Exception e) {
+			LOG.error("jadx error: {}", e.getMessage(), e);
+			result = 1;
+		} finally {
+			System.exit(result);
 		}
 	}
 
-	static void processAndSave(JadxCLIArgs jadxArgs) throws JadxException {
+	static int processAndSave(JadxCLIArgs inputArgs) {
+		JadxArgs args = inputArgs.toJadxArgs();
+		args.setCodeCache(new NoOpCodeCache());
+		JadxDecompiler jadx = new JadxDecompiler(args);
 		try {
-			JadxDecompiler jadx = new JadxDecompiler(jadxArgs);
-			jadx.loadFiles(jadxArgs.getInput());
-			jadx.setOutputDir(jadxArgs.getOutDir());
-			jadx.save();
-		} catch (Throwable e) {
-			throw new JadxException("jadx error: " + e.getMessage(), e);
+			jadx.load();
+		} catch (JadxArgsValidateException e) {
+			LOG.error("Incorrect arguments: {}", e.getMessage());
+			return 1;
 		}
-		if (ErrorsCounter.getErrorCount() != 0) {
-			ErrorsCounter.printReport();
-			throw new JadxException("finished with errors");
+		jadx.save();
+		int errorsCount = jadx.getErrorsCount();
+		if (errorsCount != 0) {
+			jadx.printErrorsReport();
+			LOG.error("finished with errors, count: {}", errorsCount);
+		} else {
+			LOG.info("done");
 		}
-		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

@@ -1,187 +1,352 @@
 package jadx.cli;
 
-import jadx.api.IJadxArgs;
-import jadx.core.Consts;
-import jadx.core.utils.exceptions.JadxException;
-
-import java.io.File;
-import java.io.PrintStream;
-import java.lang.reflect.Field;
 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 org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.beust.jcommander.JCommander;
+import com.beust.jcommander.IStringConverter;
 import com.beust.jcommander.Parameter;
-import com.beust.jcommander.ParameterDescription;
-import com.beust.jcommander.ParameterException;
 
-public final class JadxCLIArgs implements IJadxArgs {
+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;
 
-	@Parameter(description = "<input file> (.dex, .apk or .jar)")
-	protected List<String> files;
+public class JadxCLIArgs {
 
-	@Parameter(names = {"-d", "--output-dir"}, description = "output directory")
-	protected String outDirName;
+	@Parameter(description = "<input file> (.apk, .dex, .jar, .class, .smali, .zip, .aar, .arsc)")
+	protected List<String> files = new ArrayList<>(1);
 
-	@Parameter(names = {"-j", "--threads-count"}, description = "processing threads count")
-	protected int threadsCount = Runtime.getRuntime().availableProcessors();
+	@Parameter(names = { "-d", "--output-dir" }, description = "output directory")
+	protected String outDir;
 
-	@Parameter(names = {"-f", "--fallback"}, description = "make simple dump (using goto instead of 'if', 'for', etc)", help = true)
-	protected boolean fallbackMode = false;
+	@Parameter(names = { "-ds", "--output-dir-src" }, description = "output directory for sources")
+	protected String outDirSrc;
 
-	@Parameter(names = {"--cfg"}, description = "save methods control flow graph to dot file")
+	@Parameter(names = { "-dr", "--output-dir-res" }, description = "output directory for resources")
+	protected String outDirRes;
+
+	@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")
+	protected boolean skipSources = false;
+
+	@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 = { "--no-imports" }, description = "disable use of imports, always write entire package name")
+	protected boolean useImports = true;
+
+	@Parameter(names = { "--no-debug-info" }, description = "disable debug info")
+	protected boolean debugInfo = true;
+
+	@Parameter(names = { "--no-inline-anonymous" }, description = "disable anonymous classes inline")
+	protected boolean inlineAnonymousClasses = true;
+
+	@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, renamed if shorter")
+	protected int deobfuscationMinLength = 3;
+
+	@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")
+	protected boolean deobfuscationForceSave = false;
+
+	@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)")
+	@Parameter(names = { "--raw-cfg" }, description = "save methods control flow graph (use raw instructions)")
 	protected boolean rawCfgOutput = false;
 
-	@Parameter(names = {"-v", "--verbose"}, description = "verbose output")
+	@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 = {"-h", "--help"}, description = "print this help", help = true)
+	@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: " + Consts.JADX_VERSION);
-		out.println();
-		out.println("usage: jadx [options] " + jc.getMainParameterDescription());
-		out.println("options:");
-
-		List<ParameterDescription> params = jc.getParameters();
-
-		int maxNamesLen = 0;
-		for (ParameterDescription p : params) {
-			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 = this.getClass().getDeclaredFields();
-		for (Field f : fields) {
-			for (ParameterDescription p : params) {
-				String name = f.getName();
-				if (name.equals(p.getParameterized().getName())) {
-					StringBuilder opt = new StringBuilder();
-					opt.append(' ').append(p.getNames());
-					addSpaces(opt, maxNamesLen - opt.length() + 2);
-					opt.append("- ").append(p.getDescription());
-					out.println(opt.toString());
-					break;
-				}
-			}
-		}
-		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;
 	}
 
-	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;
+	public boolean isSkipResources() {
+		return skipResources;
+	}
+
+	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 isVerbose() {
-		return verbose;
+	public boolean isShowInconsistentCode() {
+		return showInconsistentCode;
+	}
+
+	public boolean isUseImports() {
+		return useImports;
+	}
+
+	public boolean isDebugInfo() {
+		return debugInfo;
+	}
+
+	public boolean isInlineAnonymousClasses() {
+		return inlineAnonymousClasses;
+	}
+
+	public boolean isDeobfuscationOn() {
+		return deobfuscationOn;
+	}
+
+	public int getDeobfuscationMinLength() {
+		return deobfuscationMinLength;
+	}
+
+	public int getDeobfuscationMaxLength() {
+		return deobfuscationMaxLength;
+	}
+
+	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

@@ -1,12 +1,18 @@
-ext.jadxClasspath = 'clsp-data/android-4.3.jar'
-
 dependencies {
-    compile files('lib/dx-1.8.jar')
-    runtime files(jadxClasspath)
-}
+	runtime files('clsp-data/android-29-clst.jar')
+	runtime files('clsp-data/android-29-res.jar')
 
-task packTests(type: Jar) {
-    classifier = 'tests'
-    from sourceSets.test.output
-}
+	compile files('lib/dx-1.16.jar') // TODO: dx don't support java version > 9 (53)
 
+	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

@@ -1,29 +0,0 @@
-package jadx.api;
-
-public class DefaultJadxArgs implements IJadxArgs {
-
-	@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 isVerbose() {
-		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

@@ -1,13 +0,0 @@
-package jadx.api;
-
-public interface IJadxArgs {
-	int getThreadsCount();
-
-	boolean isCFGOutput();
-
-	boolean isRawCFGOutput();
-
-	boolean isFallbackMode();
-
-	boolean isVerbose();
-}

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

@@ -1,120 +1,157 @@
 package jadx.api;
 
-import jadx.core.Jadx;
-import jadx.core.ProcessClass;
-import jadx.core.dex.info.ClassInfo;
-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.ErrorsCounter;
-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 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 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.args = new DefaultJadxArgs();
-		init();
+		this(new JadxArgs());
 	}
 
-	public JadxDecompiler(IJadxArgs jadxArgs) {
-		this.args = jadxArgs;
-		init();
+	public JadxDecompiler(JadxArgs args) {
+		this.args = args;
 	}
 
-	public void setOutputDir(File outDir) {
-		this.outDir = outDir;
-		init();
-	}
-
-	void init() {
+	public void load() {
 		reset();
-		if (outDir == null) {
-			outDir = new File("jadx-output");
-		}
-		this.passes = Jadx.getPassesList(args, outDir);
+		JadxArgsValidator.validate(args);
+		LOG.info("loading ...");
+
+		inputFiles = loadFiles(args.getInputFiles());
+
+		root = new RootNode(args);
+		root.load(inputFiles);
+		root.initClassPath();
+		root.loadResources(getResources());
+		root.initPasses();
 	}
 
-	void reset() {
-		ClassInfo.clearCache();
-		ErrorsCounter.reset();
+	private void reset() {
+		root = null;
 		classes = null;
+		resources = null;
+		xmlParser = null;
+
+		classesMap.clear();
+		methodsMap.clear();
+		fieldsMap.clear();
 	}
 
-	public void loadFile(File file) throws JadxException {
-		loadFiles(Collections.singletonList(file));
+	public static String getVersion() {
+		return Jadx.getVersion();
 	}
 
-	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() {
+		save(!args.isSkipSources(), !args.isSkipResources());
+	}
+
+	public void saveSources() {
+		save(true, false);
+	}
+
+	public void saveResources() {
+		save(false, true);
+	}
+
+	private void save(boolean saveSources, boolean saveResources) {
+		ExecutorService ex = getSaveExecutor(saveSources, saveResources);
+		ex.shutdown();
 		try {
-			ExecutorService ex = getSaveExecutor();
-			ex.shutdown();
 			ex.awaitTermination(1, TimeUnit.DAYS);
 		} catch (InterruptedException e) {
-			throw new JadxRuntimeException("Save interrupted", e);
+			LOG.error("Save interrupted", e);
+			Thread.currentThread().interrupt();
 		}
 	}
 
 	public ExecutorService getSaveExecutor() {
+		return getSaveExecutor(!args.isSkipSources(), !args.isSkipResources());
+	}
+
+	private ExecutorService getSaveExecutor(boolean saveSources, boolean saveResources) {
 		if (root == null) {
 			throw new JadxRuntimeException("No loaded files");
 		}
@@ -123,16 +160,51 @@ public final class JadxDecompiler {
 
 		LOG.info("processing ...");
 		ExecutorService executor = Executors.newFixedThreadPool(threadsCount);
-		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) {
+			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);
 				}
 			});
 		}
-		return executor;
 	}
 
 	public List<JavaClass> getClasses() {
@@ -141,79 +213,220 @@ public final class JadxDecompiler {
 		}
 		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);
 		}
 		return classes;
 	}
 
+	public List<ResourceFile> getResources() {
+		if (resources == null) {
+			if (root == null) {
+				return Collections.emptyList();
+			}
+			resources = new ResourcesLoader(this).load(inputFiles);
+		}
+		return resources;
+	}
+
 	public List<JavaPackage> getPackages() {
 		List<JavaClass> classList = getClasses();
 		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);
 	}
 
 	public int getErrorsCount() {
-		return ErrorsCounter.getErrorCount();
+		if (root == null) {
+			return 0;
+		}
+		return root.getErrorsCounter().getErrorCount();
 	}
 
-	void parse() throws DecodeException {
-		reset();
-		root = new RootNode();
-		LOG.info("loading ...");
-		root.load(inputFiles);
+	public int getWarnsCount() {
+		if (root == null) {
+			return 0;
+		}
+		return root.getErrorsCounter().getWarnsCount();
 	}
 
-	void processClass(ClassNode cls) {
-		ProcessClass.process(cls, passes);
+	public void printErrorsReport() {
+		if (root == null) {
+			return;
+		}
+		root.getClsp().printMissingClasses();
+		root.getErrorsCounter().printReport();
 	}
 
 	RootNode getRoot() {
 		return root;
 	}
 
-	JavaClass findJavaClass(ClassNode cls) {
-		if (cls == null) {
+	synchronized BinaryXMLParser getXmlParser() {
+		if (xmlParser == null) {
+			xmlParser = new BinaryXMLParser(root);
+		}
+		return xmlParser;
+	}
+
+	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);
+	}
+
+	@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;
 	}
 
 	@Override
 	public String toString() {
-		return "jadx decompiler";
+		return "jadx decompiler " + getVersion();
 	}
 }

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);
@@ -92,57 +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) {
-		Map<CodePosition, Object> map = getCodeAnnotations();
-		Object obj = map.get(new CodePosition(line, offset));
-		if (obj instanceof LineAttrNode) {
-			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.getParentClass();
-			JavaClass jCls = decompiler.findJavaClass(clsNode);
-			if (jCls == null) {
-				return null;
-			}
-			jCls.decompile();
-			int defLine = ((LineAttrNode) obj).getDecompiledLine();
-			return new CodePosition(jCls, defLine, 0);
+	private Map<CodePosition, Object> getCodeAnnotations() {
+		ICodeInfo code = getCodeInfo();
+		if (code == null) {
+			return Collections.emptyMap();
 		}
-		return null;
+		return code.getAnnotations();
+	}
+
+	public Map<CodePosition, JavaNode> getUsageMap() {
+		Map<CodePosition, Object> map = getCodeAnnotations();
+		if (map.isEmpty() || decompiler == null) {
+			return Collections.emptyMap();
+		}
+		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);
+			}
+		}
+		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
@@ -164,25 +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();
 	}

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

@@ -16,12 +16,12 @@ public final class JavaField implements JavaNode {
 
 	@Override
 	public String getName() {
-		return field.getName();
+		return field.getAlias();
 	}
 
 	@Override
 	public String getFullName() {
-		return parent.getFullName() + "." + field.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;
@@ -17,7 +19,7 @@ public final class JavaMethod implements JavaNode {
 
 	@Override
 	public String getName() {
-		return mth.getName();
+		return mth.getAlias();
 	}
 
 	@Override
@@ -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

@@ -2,6 +2,8 @@ package jadx.api;
 
 import java.util.List;
 
+import org.jetbrains.annotations.NotNull;
+
 public final class JavaPackage implements JavaNode, Comparable<JavaPackage> {
 	private final String name;
 	private final List<JavaClass> classes;
@@ -32,7 +34,17 @@ public final class JavaPackage implements JavaNode, Comparable<JavaPackage> {
 	}
 
 	@Override
-	public int compareTo(JavaPackage o) {
+	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

@@ -0,0 +1,75 @@
+package jadx.api;
+
+import java.io.File;
+
+import jadx.core.utils.files.ZipSecurity;
+import jadx.core.xmlgen.ResContainer;
+
+public class ResourceFile {
+
+	public static final class ZipRef {
+		private final File zipFile;
+		private final String entryName;
+
+		public ZipRef(File zipFile, String entryName) {
+			this.zipFile = zipFile;
+			this.entryName = entryName;
+		}
+
+		public File getZipFile() {
+			return zipFile;
+		}
+
+		public String getEntryName() {
+			return entryName;
+		}
+
+		@Override
+		public String toString() {
+			return "ZipRef{" + zipFile + ", '" + entryName + "'}";
+		}
+	}
+
+	private final JadxDecompiler decompiler;
+	private final String name;
+	private final ResourceType type;
+	private ZipRef zipRef;
+
+	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;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public ResourceType getType() {
+		return type;
+	}
+
+	public ResContainer loadContent() {
+		return ResourcesLoader.loadContent(decompiler, this);
+	}
+
+	void setZipRef(ZipRef zipRef) {
+		this.zipRef = zipRef;
+	}
+
+	public ZipRef getZipRef() {
+		return zipRef;
+	}
+
+	@Override
+	public String toString() {
+		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

@@ -0,0 +1,34 @@
+package jadx.api;
+
+public enum ResourceType {
+	CODE(".dex", ".jar", ".class"),
+	MANIFEST("AndroidManifest.xml"),
+	XML(".xml"),
+	ARSC(".arsc"),
+	FONT(".ttf", ".otf"),
+	IMG(".png", ".gif", ".jpg"),
+	MEDIA(".mp3", ".wav"),
+	LIB(".so"),
+	UNKNOWN;
+
+	private final String[] exts;
+
+	ResourceType(String... exts) {
+		this.exts = exts;
+	}
+
+	public String[] getExts() {
+		return exts;
+	}
+
+	public static ResourceType getFileType(String fileName) {
+		for (ResourceType type : ResourceType.values()) {
+			for (String ext : type.getExts()) {
+				if (fileName.toLowerCase().endsWith(ext)) {
+					return type;
+				}
+			}
+		}
+		return UNKNOWN;
+	}
+}

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

@@ -0,0 +1,170 @@
+package jadx.api;
+
+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;
+import java.util.Enumeration;
+import java.util.List;
+import java.util.zip.ZipEntry;
+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 final JadxDecompiler jadxRef;
+
+	ResourcesLoader(JadxDecompiler jadxRef) {
+		this.jadxRef = jadxRef;
+	}
+
+	List<ResourceFile> load(List<InputFile> inputFiles) {
+		List<ResourceFile> list = new ArrayList<>(inputFiles.size());
+		for (InputFile file : inputFiles) {
+			loadFile(list, file.getFile());
+		}
+		return list;
+	}
+
+	public interface ResourceDecoder<T> {
+		T decode(long size, InputStream is) throws IOException;
+	}
+
+	public static <T> T decodeStream(ResourceFile rf, ResourceDecoder<T> decoder) throws JadxException {
+		try {
+			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);
+				}
+			} 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);
+					}
+				}
+			}
+		} 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());
+			Utils.appendStackTrace(cw, e.getCause());
+			return ResContainer.textResource(rf.getName(), cw);
+		}
+	}
+
+	private static ResContainer loadContent(JadxDecompiler jadxRef, ResourceFile rf,
+			InputStream inputStream) throws IOException {
+		switch (rf.getType()) {
+			case MANIFEST:
+			case XML:
+				CodeWriter content = jadxRef.getXmlParser().parse(inputStream);
+				return ResContainer.textResource(rf.getName(), content);
+
+			case ARSC:
+				return new ResTableParser(jadxRef.getRoot()).decodeFiles(inputStream);
+
+			case IMG:
+				return decodeImage(rf, inputStream);
+
+			default:
+				return ResContainer.resourceFileLink(rf);
+		}
+	}
+
+	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;
+		}
+		try (ZipFile zip = new ZipFile(file)) {
+			Enumeration<? extends ZipEntry> entries = zip.entries();
+			while (entries.hasMoreElements()) {
+				ZipEntry entry = entries.nextElement();
+				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);
+		}
+	}
+
+	private void addEntry(List<ResourceFile> list, File zipFile, ZipEntry entry) {
+		if (entry.isDirectory()) {
+			return;
+		}
+		String name = entry.getName();
+		ResourceType type = ResourceType.getFileType(name);
+		ResourceFile rf = ResourceFile.createResourceFile(jadxRef, name, type);
+		if (rf != null) {
+			rf.setZipRef(new ZipRef(zipFile, name));
+			list.add(rf);
+		}
+	}
+
+	public static CodeWriter loadToCodeWriter(InputStream is) throws IOException {
+		ByteArrayOutputStream baos = new ByteArrayOutputStream(READ_BUFFER_SIZE);
+		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

@@ -1,8 +1,6 @@
 package jadx.core;
 
 public class Consts {
-	public static final String JADX_VERSION = Jadx.getVersion();
-
 	public static final boolean DEBUG = false;
 
 	public static final String CLASS_OBJECT = "java.lang.Object";
@@ -20,7 +18,10 @@ public class Consts {
 	public static final String DALVIK_ANNOTATION_DEFAULT = "dalvik.annotation.AnnotationDefault";
 
 	public static final String DEFAULT_PACKAGE_NAME = "defpackage";
-	public static final String ANONYMOUS_CLASS_PREFIX = "AnonymousClass_";
+	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

@@ -1,32 +1,6 @@
 package jadx.core;
 
-import jadx.api.IJadxArgs;
-import jadx.core.codegen.CodeGen;
-import jadx.core.dex.visitors.BlockMakerVisitor;
-import jadx.core.dex.visitors.ClassModifier;
-import jadx.core.dex.visitors.CodeShrinker;
-import jadx.core.dex.visitors.ConstInlinerVisitor;
-import jadx.core.dex.visitors.DebugInfoVisitor;
-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.SimplifyVisitor;
-import jadx.core.dex.visitors.regions.CheckRegions;
-import jadx.core.dex.visitors.regions.IfRegionVisitor;
-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;
@@ -36,76 +10,133 @@ 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 {
-			passes.add(new BlockMakerVisitor());
-			passes.add(new SSATransform());
-			passes.add(new DebugInfoVisitor());
-			passes.add(new TypeInference());
-
-			passes.add(new ConstInlinerVisitor());
-			passes.add(new FinishTypeInference());
-
-			if (args.isRawCFGOutput()) {
-				passes.add(new DotGraphVisitor(outDir, false, true));
+			if (args.isDebugInfo()) {
+				passes.add(new DebugInfoParseVisitor());
 			}
 
-			passes.add(new EliminatePhiNodes());
+			passes.add(new BlockSplitter());
+			if (args.isRawCFGOutput()) {
+				passes.add(DotGraphVisitor.dumpRaw());
+			}
 
+			passes.add(new BlockProcessor());
+			passes.add(new BlockExceptionHandler());
+			passes.add(new BlockFinish());
+
+			passes.add(new SSATransform());
+			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 DeboxingVisitor());
 			passes.add(new ModVisitor());
-			passes.add(new EnumVisitor());
+			passes.add(new CodeShrinkVisitor());
+			passes.add(new ReSugarCode());
+			if (args.isCfgOutput()) {
+				passes.add(DotGraphVisitor.dump());
+			}
 
-			passes.add(new CodeShrinker());
 			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 ProcessVariables());
 			passes.add(new CheckRegions());
 
-			if (args.isCFGOutput()) {
-				passes.add(new DotGraphVisitor(outDir, true));
-			}
-
-			passes.add(new MethodInlineVisitor());
+			passes.add(new ExtractFieldInit());
+			passes.add(new FixAccessModifiers());
+			passes.add(new ProcessAnonymous());
 			passes.add(new ClassModifier());
-			passes.add(new PrepareForCodeGen());
+			passes.add(new MethodInlineVisitor());
+			passes.add(new EnumVisitor());
+			passes.add(new LoopRegionVisitor());
 
-			if (args.isCFGOutput()) {
-				passes.add(new DotGraphVisitor(outDir, false));
+			passes.add(new ProcessVariables());
+			passes.add(new PrepareForCodeGen());
+			if (args.isCfgOutput()) {
+				passes.add(DotGraphVisitor.dumpRegions());
 			}
+
+			passes.add(new DependencyCollector());
+			passes.add(new RenameVisitor());
 		}
-		passes.add(new CodeGen(args));
 		return passes;
 	}
 
 	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

@@ -1,30 +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.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import static jadx.core.dex.nodes.ProcessState.LOADED;
+import static jadx.core.dex.nodes.ProcessState.NOT_LOADED;
+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) {
-		try {
-			cls.load();
-			for (IDexTreeVisitor visitor : passes) {
-				DepthTraversal.visit(visitor, cls);
+	public static void process(ClassNode cls) {
+		ClassNode topParentClass = cls.getTopParentClass();
+		if (topParentClass != cls) {
+			process(topParentClass);
+			return;
+		}
+		if (cls.getState().isProcessed()) {
+			// nothing to do
+			return;
+		}
+		synchronized (cls.getClassInfo()) {
+			try {
+				if (cls.getState() == NOT_LOADED) {
+					cls.load();
+				}
+				if (cls.getState() == LOADED) {
+					cls.setState(PROCESS_STARTED);
+					for (IDexTreeVisitor visitor : cls.root().getPasses()) {
+						DepthTraversal.visit(visitor, cls);
+					}
+					cls.setState(PROCESS_COMPLETE);
+				}
+			} catch (Throwable e) {
+				ErrorsCounter.classError(cls, e.getClass().getSimpleName(), e);
 			}
-		} catch (Exception e) {
-			LOG.error("Class process exception: " + cls, e);
-		} finally {
+		}
+	}
+
+	@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.info.ClassInfo;
-import jadx.core.dex.nodes.ClassNode;
-import jadx.core.dex.nodes.RootNode;
-import jadx.core.utils.Utils;
-import jadx.core.utils.exceptions.DecodeException;
-import jadx.core.utils.exceptions.JadxRuntimeException;
-
 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);
 			}
@@ -75,122 +100,237 @@ 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());
-		ClassInfo superClass = cls.getSuperClass();
+		List<NClass> parents = new ArrayList<>(1 + cls.getInterfaces().size());
+		ArgType superClass = cls.getSuperClass();
 		if (superClass != null) {
-			NClass c = getCls(superClass.getRawName(), names);
+			NClass c = getCls(superClass.getObject(), names);
 			if (c != null) {
 				parents.add(c);
 			}
 		}
-		for (ClassInfo iface : cls.getInterfaces()) {
-			NClass c = getCls(iface.getRawName(), names);
+		for (ArgType iface : cls.getInterfaces()) {
+			NClass c = getCls(iface.getObject(), names);
 			if (c != null) {
 				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)) {
-			LOG.warn("Class not found: " + 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 {
-		Utils.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);
-					out.closeEntry();
-				} 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();
@@ -211,21 +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");
@@ -45,47 +51,72 @@ public class ClspGraph {
 			throw new JadxRuntimeException("Classpath must be loaded first");
 		}
 		int size = classes.size();
-		for (ClassNode cls : classes) {
-			size += cls.getInnerClasses().size();
-		}
 		NClass[] nClasses = new NClass[size];
 		int k = 0;
 		for (ClassNode cls : classes) {
 			nClasses[k++] = addClass(cls);
-			for (ClassNode inner : cls.getInnerClasses()) {
-				nClasses[k++] = addClass(inner);
-			}
 		}
 		for (int i = 0; i < size; i++) {
 			nClasses[i].setParents(ClsSet.makeParentsArray(classes.get(i), nameMap));
 		}
 	}
 
+	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) {
-		NClass nClass = new NClass(cls.getRawName(), -1);
-		nameMap.put(cls.getRawName(), nClass);
+		String rawName = cls.getRawName();
+		NClass nClass = new NClass(rawName, -1);
+		nameMap.put(rawName, nClass);
 		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) {
-			if (isImplements(clsName, implClsName)) {
-				return implClsName;
-			}
-			Set<String> anc = getAncestors(clsName);
-			return searchCommonParent(anc, cls);
+		if (cls == null) {
+			missingClasses.add(clsName);
+			return null;
 		}
-		LOG.debug("Missing class: {}", implClsName);
-		return null;
+		if (isImplements(clsName, implClsName)) {
+			return implClsName;
+		}
+		Set<String> anc = getAncestors(clsName);
+		return searchCommonParent(anc, cls);
 	}
 
 	private String searchCommonParent(Set<String> anc, NClass cls) {
@@ -93,39 +124,55 @@ public class ClspGraph {
 			String name = p.getName();
 			if (anc.contains(name)) {
 				return name;
-			} else {
-				String r = searchCommonParent(anc, p);
-				if (r != null) {
-					return r;
-				}
+			}
+			String r = searchCommonParent(anc, p);
+			if (r != null) {
+				return r;
 			}
 		}
 		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) {
-			result = new HashSet<String>();
-			addAncestorsNames(cls, result);
-			if (result.isEmpty()) {
-				result = Collections.emptySet();
-			}
-			ancestorCache.put(clsName, result);
-			return result;
+		if (cls == null) {
+			missingClasses.add(clsName);
+			return Collections.emptySet();
 		}
-		LOG.debug("Missing class: {}", clsName);
-		return Collections.emptySet();
+		result = new HashSet<>();
+		addAncestorsNames(cls, result);
+		if (result.isEmpty()) {
+			result = Collections.emptySet();
+		}
+		ancestorCache.put(clsName, result);
+		return result;
 	}
 
 	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

@@ -1,17 +1,20 @@
 package jadx.core.clsp;
 
-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)
  */
@@ -27,32 +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());
+			LOG.info("Loaded: {}", inputFile.getFile());
 		}
 
-		RootNode root = new RootNode();
+		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("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;
@@ -60,11 +63,13 @@ public class ConvertToClsSet {
 		for (File file : files) {
 			if (file.isDirectory()) {
 				addFilesFromDirectory(file, inputFiles);
-			}
-			if (file.getName().endsWith(".dex")) {
-				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;
@@ -42,8 +44,12 @@ public class AnnotationGen {
 	}
 
 	public void addForParameter(CodeWriter code, MethodParameters paramsAnnotations, int n) {
-		AnnotationsList aList = paramsAnnotations.getParamList().get(n);
-		if (aList == null || aList.size() == 0) {
+		List<AnnotationsList> paramList = paramsAnnotations.getParamList();
+		if (n >= paramList.size()) {
+			return;
+		}
+		AnnotationsList aList = paramList.get(n);
+		if (aList == null || aList.isEmpty()) {
 			return;
 		}
 		for (Annotation a : aList.getAll()) {
@@ -54,17 +60,12 @@ public class AnnotationGen {
 
 	private void add(IAttributeNode node, CodeWriter code) {
 		AnnotationsList aList = node.get(AType.ANNOTATION_LIST);
-		if (aList == null || aList.size() == 0) {
+		if (aList == null || aList.isEmpty()) {
 			return;
 		}
 		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);
 			}
@@ -73,34 +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()) {
@@ -126,11 +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) {
@@ -138,11 +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");
@@ -150,9 +169,9 @@ public class AnnotationGen {
 			// must be a static field
 			FieldInfo field = (FieldInfo) val;
 			InsnGen.makeStaticFieldAccess(code, field, classGen);
-		} else if (val instanceof List) {
+		} else if (val instanceof Iterable) {
 			code.add('{');
-			Iterator<?> it = ((List) val).iterator();
+			Iterator<?> it = ((Iterable<?>) val).iterator();
 			while (it.hasNext()) {
 				Object obj = it.next();
 				encodeValue(code, obj);
@@ -165,7 +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

@@ -1,55 +1,70 @@
 package jadx.core.codegen;
 
-import jadx.core.Consts;
+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;
-import jadx.core.dex.instructions.args.InsnArg;
 import jadx.core.dex.instructions.args.PrimitiveType;
+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.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);
 
 	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 int clsDeclLine = 0;
+	private final Set<ClassInfo> imports = new HashSet<>();
+	private int clsDeclLine;
 
-	public ClassGen(ClassNode cls, ClassGen parentClsGen, boolean fallback) {
+	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.useImports, parentClsGen.fallback, parentClsGen.showInconsistentCode);
+	}
+
+	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);
 	}
@@ -69,31 +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.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);
 	}
@@ -101,14 +115,24 @@ public class ClassGen {
 	public void addClassDeclaration(CodeWriter clsCode) {
 		AccessInfo af = cls.getAccessFlags();
 		if (af.isInterface()) {
-			af = af.remove(AccessFlags.ACC_ABSTRACT);
+			af = af.remove(AccessFlags.ACC_ABSTRACT)
+					.remove(AccessFlags.ACC_STATIC);
 		} else if (af.isEnum()) {
-			af = af.remove(AccessFlags.ACC_FINAL).remove(AccessFlags.ACC_ABSTRACT);
+			af = af.remove(AccessFlags.ACC_FINAL)
+					.remove(AccessFlags.ACC_ABSTRACT)
+					.remove(AccessFlags.ACC_STATIC);
+		}
+
+		// 'static' and 'private' modifier not allowed for top classes (not inner)
+		if (!cls.getClassInfo().isInner()) {
+			af = af.remove(AccessFlags.ACC_STATIC).remove(AccessFlags.ACC_PRIVATE);
 		}
 
 		annotationGen.addForClass(clsCode);
-		insertSourceFileInfo(clsCode, cls);
-		clsCode.startLine(af.makeString());
+		insertRenameInfo(clsCode, cls);
+		CodeGenUtils.addSourceFileInfo(clsCode, cls);
+		clsCode.startLineWithNum(cls.getSourceLine());
+		clsCode.add(af.makeString());
 		if (af.isInterface()) {
 			if (af.isAnnotation()) {
 				clsCode.add('@');
@@ -119,28 +143,29 @@ 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(' ');
 
-		ClassInfo sup = cls.getSuperClass();
+		ArgType sup = cls.getSuperClass();
 		if (sup != null
-				&& !sup.getFullName().equals(Consts.CLASS_OBJECT)
-				&& !sup.getFullName().equals(Consts.CLASS_ENUM)) {
+				&& !sup.equals(ArgType.OBJECT)
+				&& !cls.isEnum()) {
 			clsCode.add("extends ");
 			useClass(clsCode, sup);
 			clsCode.add(' ');
 		}
 
-		if (cls.getInterfaces().size() > 0 && !af.isAnnotation()) {
+		if (!cls.getInterfaces().isEmpty() && !af.isAnnotation()) {
 			if (cls.getAccessFlags().isInterface()) {
 				clsCode.add("extends ");
 			} else {
 				clsCode.add("implements ");
 			}
-			for (Iterator<ClassInfo> it = cls.getInterfaces().iterator(); it.hasNext(); ) {
-				ClassInfo interf = it.next();
+			for (Iterator<ArgType> it = cls.getInterfaces().iterator(); it.hasNext();) {
+				ArgType interf = it.next();
 				useClass(clsCode, interf);
 				if (it.hasNext()) {
 					clsCode.add(", ");
@@ -150,34 +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, ClassInfo.fromType(type));
+				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, ClassInfo.fromType(g));
+						useClass(code, g);
+						if (classDeclaration
+								&& !cls.getClassInfo().isInner()
+								&& cls.root().getArgs().isUseImports()) {
+							addImport(ClassInfo.fromType(cls.root(), g));
+						}
 					}
 					if (it.hasNext()) {
 						code.add(" & ");
@@ -195,93 +224,171 @@ 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.isAnonymous()) {
-				ClassGen inClGen = new ClassGen(innerCls, getParentGen(), fallback);
-				code.newLine();
-				inClGen.addClassCode(code);
-				imports.addAll(inClGen.getImports());
-			}
+	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);
 		}
 	}
 
-	private void addMethods(CodeWriter code) {
+	private boolean isInnerClassesPresents() {
+		for (ClassNode innerCls : cls.getInnerClasses()) {
+			if (!innerCls.contains(AFlag.ANONYMOUS_CLASS)) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	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 boolean isMethodsPresents() {
 		for (MethodNode mth : cls.getMethods()) {
 			if (!mth.contains(AFlag.DONT_GENERATE)) {
-				try {
-					if (code.getLine() != clsDeclLine) {
-						code.newLine();
-					}
-					addMethod(code, mth);
-				} catch (Exception e) {
-					String msg = ErrorsCounter.methodError(mth, "Method generation error", e);
-					code.startLine("/* " + msg + CodeWriter.NL + Utils.getStackTrace(e) + " */");
-				}
+				return true;
 			}
 		}
+		return false;
 	}
 
-	private void addMethod(CodeWriter code, MethodNode mth) throws CodegenException {
-		MethodGen mthGen = new MethodGen(this, mth);
+	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 (badCode && showInconsistentCode) {
+				mth.remove(AFlag.INCONSISTENT_CODE);
+				badCode = false;
+			}
+			MethodGen mthGen;
+			if (badCode || fallback || mth.contains(AType.JADX_ERROR) || mth.getRegion() == null) {
+				mthGen = MethodGen.getFallbackMethodGen(mth);
+			} else {
+				mthGen = new MethodGen(this, mth);
 			}
 			if (mthGen.addDefinition(code)) {
 				code.add(' ');
 			}
 			code.add('{');
 			code.incIndent();
-			insertSourceFileInfo(code, mth);
 			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.getName());
-			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() {
+		for (FieldNode field : cls.getFields()) {
+			if (!field.contains(AFlag.DONT_GENERATE)) {
+				return true;
+			}
+		}
+		return false;
 	}
 
 	private void addEnumFields(CodeWriter code) throws CodegenException {
@@ -290,48 +397,58 @@ 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.getName());
-			if (f.getArgs().size() != 0) {
-				code.add('(');
-				for (Iterator<InsnArg> aIt = f.getArgs().iterator(); aIt.hasNext(); ) {
-					InsnArg arg = aIt.next();
-					if (igen == null) {
-						// don't init mth gen if this is simple enum
-						MethodGen mthGen = new MethodGen(this, enumFields.getStaticMethod());
-						igen = new InsnGen(mthGen, false);
-					}
-					igen.addArg(code, arg);
-					if (aIt.hasNext()) {
-						code.add(", ");
-					}
+			code.startLine(f.getField().getAlias());
+			ConstructorInsn constrInsn = f.getConstrInsn();
+			if (constrInsn.getArgsCount() > f.getStartArg()) {
+				if (igen == null) {
+					igen = makeInsnGen(enumFields.getStaticMethod());
 				}
-				code.add(')');
+				MethodNode callMth = cls.dex().resolveMethod(constrInsn.getCallMth());
+				igen.generateMethodArguments(code, constrInsn, f.getStartArg(), callMth);
 			}
 			if (f.getCls() != null) {
-				new ClassGen(f.getCls(), this, fallback).addClassBody(code);
+				code.add(' ');
+				new ClassGen(f.getCls(), this).addClassBody(code);
 			}
 			if (it.hasNext()) {
 				code.add(',');
 			}
 		}
-		if (enumFields.getFields().isEmpty()) {
-			code.startLine();
+		if (isMethodsPresents() || isFieldsPresents() || isInnerClassesPresents()) {
+			if (enumFields.getFields().isEmpty()) {
+				code.startLine();
+			}
+			code.add(';');
+			if (isFieldsPresents()) {
+				code.startLine();
+			}
+		}
+	}
+
+	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);
 		}
-		code.add(';');
-		code.newLine();
 	}
 
 	public void useType(CodeWriter code, ArgType type) {
-		final PrimitiveType stype = type.getPrimitiveType();
+		PrimitiveType stype = type.getPrimitiveType();
 		if (stype == null) {
 			code.add(type.toString());
 		} else if (stype == PrimitiveType.OBJECT) {
 			if (type.isGenericType()) {
 				code.add(type.getObject());
 			} else {
-				useClass(code, ClassInfo.fromType(type));
+				useClass(code, type);
 			}
 		} else if (stype == PrimitiveType.ARRAY) {
 			useType(code, type.getArrayElement());
@@ -341,14 +458,17 @@ public class ClassGen {
 		}
 	}
 
-	public void useClass(CodeWriter code, ClassInfo classInfo) {
-		ClassNode classNode = cls.dex().resolveClass(classInfo);
-		if (classNode != null) {
-			code.attachAnnotation(classNode);
+	public void useClass(CodeWriter code, ArgType type) {
+		ArgType outerType = type.getOuterType();
+		if (outerType != null) {
+			useClass(code, outerType);
+			code.add('.');
+			useClass(code, type.getInnerType());
+			return;
 		}
-		String baseClass = useClassInternal(cls.getClassInfo(), classInfo);
-		ArgType[] generics = classInfo.getType().getGenericTypes();
-		code.add(baseClass);
+
+		useClass(code, ClassInfo.fromType(cls.root(), type));
+		ArgType[] generics = type.getGenericTypes();
 		if (generics != null) {
 			code.add('<');
 			int len = generics.length;
@@ -359,10 +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 {
@@ -373,48 +492,95 @@ public class ClassGen {
 		}
 	}
 
-	private String useClassInternal(ClassInfo useCls, ClassInfo classInfo) {
-		String fullName = classInfo.getFullName();
-		if (fallback) {
+	public void useClass(CodeWriter code, ClassInfo classInfo) {
+		ClassNode classNode = cls.dex().resolveClass(classInfo);
+		if (classNode != null) {
+			useClass(code, classNode);
+		} else {
+			addClsName(code, classInfo);
+		}
+	}
+
+	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.getAliasFullName();
+		if (fallback || !useImports) {
 			return fullName;
 		}
-		String shortName = classInfo.getShortName();
-		if (classInfo.getPackage().equals("java.lang") && classInfo.getParentClass() == null) {
-			return shortName;
-		} else {
-			// don't add import if this class inner for current class
-			if (isClassInnerFor(classInfo, useCls)) {
-				return shortName;
-			}
-			// don't add import if this class from same package
-			if (classInfo.getPackage().equals(useCls.getPackage()) && !classInfo.isInner()) {
-				return shortName;
-			}
-			// don't add import if class not public (must be accessed using inheritance)
-			ClassNode classNode = cls.dex().resolveClass(classInfo);
-			if (classNode != null && !classNode.getAccessFlags().isPublic()) {
-				return shortName;
-			}
-			if (searchCollision(cls.dex(), useCls, shortName)) {
-				return fullName;
-			}
-			if (classInfo.getPackage().equals(useCls.getPackage())) {
-				fullName = classInfo.getNameWithoutPackage();
-			}
-			for (ClassInfo importCls : getImports()) {
-				if (!importCls.equals(classInfo)
-						&& importCls.getShortName().equals(shortName)) {
-					if (classInfo.isInner()) {
-						String parent = useClassInternal(useCls, classInfo.getParentClass());
-						return parent + "." + shortName;
-					} else {
-						return fullName;
-					}
-				}
-			}
-			addImport(classInfo);
+		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;
+		}
+		// don't add import if this class from same package
+		if (extClsInfo.getPackage().equals(useCls.getPackage()) && !extClsInfo.isInner()) {
+			return shortName;
+		}
+		// don't add import if class not public (must be accessed using inheritance)
+		ClassNode classNode = cls.dex().resolveClass(extClsInfo);
+		if (classNode != null && !classNode.getAccessFlags().isPublic()) {
+			return shortName;
+		}
+		if (searchCollision(cls.dex(), useCls, extClsInfo)) {
+			return fullName;
+		}
+		// 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.getAliasShortName().equals(shortName)) {
+				if (extClsInfo.isInner()) {
+					String parent = useClassInternal(useCls, extClsInfo.getParentClass());
+					return parent + '.' + shortName;
+				} else {
+					return fullName;
+				}
+			}
+		}
+		addImport(extClsInfo);
+		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) {
@@ -425,7 +591,7 @@ public class ClassGen {
 		}
 	}
 
-	private Set<ClassInfo> getImports() {
+	public Set<ClassInfo> getImports() {
 		if (parentGen != null) {
 			return parentGen.getImports();
 		} else {
@@ -433,36 +599,48 @@ public class ClassGen {
 		}
 	}
 
+	private static boolean isBothClassesInOneTopClass(ClassInfo useCls, ClassInfo extClsInfo) {
+		ClassInfo a = useCls.getTopParentClass();
+		ClassInfo b = extClsInfo.getTopParentClass();
+		if (a != null) {
+			return a.equals(b);
+		}
+		// useCls - is a top class
+		return useCls.equals(b);
+	}
+
 	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;
 	}
 
-	private static boolean searchCollision(DexNode dex, ClassInfo useCls, String shortName) {
+	private static boolean searchCollision(DexNode dex, ClassInfo useCls, ClassInfo searchCls) {
 		if (useCls == null) {
 			return false;
 		}
-		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)) {
+				if (inner.getShortName().equals(shortName)
+						&& !inner.getFullName().equals(searchCls.getAliasFullName())) {
 					return true;
 				}
 			}
 		}
-		return searchCollision(dex, useCls.getParentClass(), shortName);
+		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());
+	private void insertRenameInfo(CodeWriter code, ClassNode cls) {
+		ClassInfo classInfo = cls.getClassInfo();
+		if (classInfo.hasAlias()) {
+			CodeGenUtils.addRenamedComment(code, cls, classInfo.getType().getObject());
 		}
 	}
 

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

@@ -1,29 +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 {
-		ClassGen clsGen = new ClassGen(cls, null, isFallbackMode());
-		CodeWriter clsCode = clsGen.makeClass();
-		clsCode.finish();
-		cls.setCode(clsCode);
-		return false;
+	private static ICodeInfo generateJavaCode(ClassNode cls, JadxArgs args) {
+		ClassGen clsGen = new ClassGen(cls, args);
+		return wrapCodeGen(cls, clsGen::makeClass);
 	}
 
-	public boolean isFallbackMode() {
-		return args.isFallbackMode();
+	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

@@ -1,37 +1,45 @@
 package jadx.core.codegen;
 
-import jadx.api.CodePosition;
-import jadx.core.dex.attributes.nodes.LineAttrNode;
-import jadx.core.utils.Utils;
-
 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;
 
@@ -41,8 +49,19 @@ 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(3);
+			add(indentStr);
+		}
+	}
+
+	// create filled instance (just string wrapper)
+	public CodeWriter(String code) {
+		this.buf = null;
+		this.code = code;
 	}
 
 	public CodeWriter startLine() {
@@ -65,6 +84,37 @@ public class CodeWriter {
 		return this;
 	}
 
+	public CodeWriter startLineWithNum(int sourceLine) {
+		if (sourceLine == 0) {
+			startLine();
+			return this;
+		}
+		if (ADD_LINE_NUMBERS) {
+			newLine();
+			attachSourceLine(sourceLine);
+			String ln = "/* " + sourceLine + " */ ";
+			add(ln);
+			if (indentStr.length() > ln.length()) {
+				add(indentStr.substring(ln.length()));
+			}
+		} else {
+			startLine();
+			attachSourceLine(sourceLine);
+		}
+		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();
@@ -88,7 +138,7 @@ public class CodeWriter {
 		}
 		line += code.line;
 		offset = code.offset;
-		buf.append(code);
+		buf.append(code.buf);
 		return this;
 	}
 
@@ -98,7 +148,7 @@ public class CodeWriter {
 	}
 
 	public CodeWriter addIndent() {
-		add(INDENT);
+		add(INDENT_STR);
 		return this;
 	}
 
@@ -119,9 +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();
 		}
@@ -149,6 +199,15 @@ public class CodeWriter {
 		updateIndent();
 	}
 
+	public int getIndent() {
+		return indent;
+	}
+
+	public void setIndent(int indent) {
+		this.indent = indent;
+		updateIndent();
+	}
+
 	public int getLine() {
 		return line;
 	}
@@ -165,21 +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;
 	}
@@ -193,104 +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 {
-			Utils.makeDirsForFile(file);
-			out = new PrintWriter(file, "UTF-8");
-			String code = buf.toString();
-			code = removeFirstEmptyLine(code);
-			out.print(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;
@@ -8,56 +13,92 @@ 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.nodes.InsnNode;
-import jadx.core.dex.regions.Compare;
-import jadx.core.dex.regions.IfCondition;
+import jadx.core.dex.regions.conditions.Compare;
+import jadx.core.dex.regions.conditions.IfCondition;
+import jadx.core.dex.regions.conditions.IfCondition.Mode;
 import jadx.core.utils.ErrorsCounter;
 import jadx.core.utils.exceptions.CodegenException;
 import jadx.core.utils.exceptions.JadxRuntimeException;
 
-import java.util.Iterator;
-
-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<>();
+
+		public Queue<IfCondition> getStack() {
+			return stack;
+		}
+
+		public void push(IfCondition cond) {
+			stack.add(cond);
+		}
+
+		public IfCondition pop() {
+			return stack.poll();
+		}
+	}
 
 	public ConditionGen(InsnGen insnGen) {
 		super(insnGen.mgen, insnGen.fallback);
 	}
 
 	void add(CodeWriter code, IfCondition condition) throws CodegenException {
+		add(code, new CondStack(), condition);
+	}
+
+	void wrap(CodeWriter code, IfCondition condition) throws CodegenException {
+		wrap(code, new CondStack(), condition);
+	}
+
+	private void add(CodeWriter code, CondStack stack, IfCondition condition) throws CodegenException {
+		stack.push(condition);
 		switch (condition.getMode()) {
 			case COMPARE:
-				addCompare(code, condition.getCompare());
+				addCompare(code, stack, condition.getCompare());
+				break;
+
+			case TERNARY:
+				addTernary(code, stack, condition);
 				break;
 
 			case NOT:
-				addNot(code, condition);
+				addNot(code, stack, condition);
 				break;
 
 			case AND:
 			case OR:
-				addAndOr(code, condition);
+				addAndOr(code, stack, condition);
 				break;
 
 			default:
-				throw new JadxRuntimeException("Unknown condition mode: " + condition);
+				throw new JadxRuntimeException("Unknown condition mode: " + condition.getMode());
 		}
+		stack.pop();
 	}
 
-	void wrap(CodeWriter code, IfCondition cond) throws CodegenException {
+	private void wrap(CodeWriter code, CondStack stack, IfCondition cond) throws CodegenException {
 		boolean wrap = isWrapNeeded(cond);
 		if (wrap) {
 			code.add('(');
 		}
-		add(code, cond);
+		add(code, stack, cond);
 		if (wrap) {
 			code.add(')');
 		}
 	}
 
-	private void addCompare(CodeWriter code, Compare compare) throws CodegenException {
+	private void wrap(CodeWriter code, InsnArg firstArg) throws CodegenException {
+		boolean wrap = isArgWrapNeeded(firstArg);
+		if (wrap) {
+			code.add('(');
+		}
+		addArg(code, firstArg, false);
+		if (wrap) {
+			code.add(')');
+		}
+	}
+
+	private void addCompare(CodeWriter code, CondStack stack, Compare compare) throws CodegenException {
 		IfOp op = compare.getOp();
 		InsnArg firstArg = compare.getA();
 		InsnArg secondArg = compare.getB();
@@ -70,39 +111,44 @@ public class ConditionGen extends InsnGen {
 			}
 			if (op == IfOp.EQ) {
 				// == true
-				addArg(code, firstArg, false);
+				if (stack.getStack().size() == 1) {
+					addArg(code, firstArg, false);
+				} else {
+					wrap(code, firstArg);
+				}
 				return;
 			} else if (op == IfOp.NE) {
 				// != true
 				code.add('!');
-				boolean wrap = isWrapNeeded(firstArg);
-				if (wrap) {
-					code.add('(');
-				}
-				addArg(code, firstArg, false);
-				if (wrap) {
-					code.add(')');
-				}
+				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, isWrapNeeded(firstArg));
+		addArg(code, firstArg, isArgWrapNeeded(firstArg));
 		code.add(' ').add(op.getSymbol()).add(' ');
-		addArg(code, secondArg, isWrapNeeded(secondArg));
+		addArg(code, secondArg, isArgWrapNeeded(secondArg));
 	}
 
-	private void addNot(CodeWriter code, IfCondition condition) throws CodegenException {
+	private void addTernary(CodeWriter code, CondStack stack, IfCondition condition) throws CodegenException {
+		add(code, stack, condition.first());
+		code.add(" ? ");
+		add(code, stack, condition.second());
+		code.add(" : ");
+		add(code, stack, condition.third());
+	}
+
+	private void addNot(CodeWriter code, CondStack stack, IfCondition condition) throws CodegenException {
 		code.add('!');
-		wrap(code, condition.getArgs().get(0));
+		wrap(code, stack, condition.getArgs().get(0));
 	}
 
-	private void addAndOr(CodeWriter code, IfCondition condition) throws CodegenException {
-		String mode = condition.getMode() == IfCondition.Mode.AND ? " && " : " || ";
+	private void addAndOr(CodeWriter code, CondStack stack, IfCondition condition) throws CodegenException {
+		String mode = condition.getMode() == Mode.AND ? " && " : " || ";
 		Iterator<IfCondition> it = condition.getArgs().iterator();
 		while (it.hasNext()) {
-			wrap(code, it.next());
+			wrap(code, stack, it.next());
 			if (it.hasNext()) {
 				code.add(mode);
 			}
@@ -110,15 +156,19 @@ public class ConditionGen extends InsnGen {
 	}
 
 	private boolean isWrapNeeded(IfCondition condition) {
-		return !condition.isCompare();
+		if (condition.isCompare() || condition.contains(AFlag.DONT_WRAP)) {
+			return false;
+		}
+		return condition.getMode() != Mode.NOT;
 	}
 
-	private static boolean isWrapNeeded(InsnArg arg) {
+	private static boolean isArgWrapNeeded(InsnArg arg) {
 		if (!arg.isInsnWrap()) {
 			return false;
 		}
 		InsnNode insn = ((InsnWrapArg) arg).getWrapInsn();
-		if (insn.getType() == InsnType.ARITH) {
+		InsnType insnType = insn.getType();
+		if (insnType == InsnType.ARITH) {
 			switch (((ArithNode) insn).getOp()) {
 				case ADD:
 				case SUB:
@@ -126,10 +176,23 @@ public class ConditionGen extends InsnGen {
 				case DIV:
 				case REM:
 					return false;
+
+				default:
+					return true;
+			}
+		} else {
+			switch (insnType) {
+				case INVOKE:
+				case SGET:
+				case IGET:
+				case AGET:
+				case CONST:
+				case ARRAY_LENGTH:
+					return false;
+
+				default:
+					return true;
 			}
-		} else if (insn.getType() == InsnType.INVOKE) {
-			return false;
 		}
-		return true;
 	}
 }

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.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.regions.Region;
-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);
 
@@ -39,7 +45,7 @@ public class MethodGen {
 		this.mth = mth;
 		this.classGen = classGen;
 		this.annotationGen = classGen.getAnnotationGen();
-		this.nameGen = new NameGen(classGen.isFallbackMode());
+		this.nameGen = new NameGen(mth, classGen.isFallbackMode());
 	}
 
 	public ClassGen getClassGen() {
@@ -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)) {
@@ -79,130 +85,170 @@ public class MethodGen {
 		if (clsAccFlags.isAnnotation()) {
 			ai = ai.remove(AccessFlags.ACC_PUBLIC);
 		}
-		code.startLine(ai.makeString());
-		code.attachSourceLine(mth.getSourceLine());
 
-		if (classGen.addGenericMap(code, mth.getGenericMap())) {
+		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.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.add(mth.getName());
+			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)) {
-			code.startLine("throw new UnsupportedOperationException(\"Method not decompiled: ");
-			code.add(mth.toString());
-			code.add("\");");
-
-			JadxErrorAttr err = mth.get(AType.JADX_ERROR);
-			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("*/");
-			}
-			makeMethodDump(code);
-		} else if (mth.contains(AFlag.INCONSISTENT_CODE)) {
-			code.startLine("/*");
+		if (mth.root().getArgs().isFallbackMode()) {
 			addFallbackMethodCode(code);
-			code.startLine("*/");
-			code.newLine();
+		} else if (classGen.isFallbackMode()) {
+			dumpInstructions(code);
 		} else {
-			Region startRegion = mth.getRegion();
-			if (startRegion != null) {
-				(new RegionGen(this)).makeRegion(code, startRegion);
-			} else {
-				addFallbackMethodCode(code);
-			}
+			addRegionInsns(code);
 		}
 	}
 
-	private void makeMethodDump(CodeWriter 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("/*");
-		getFallbackMethodGen(mth).addDefinition(code);
-		code.add(" {");
-		code.incIndent();
-
 		addFallbackMethodCode(code);
-
-		code.decIndent();
-		code.startLine('}');
 		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) {
 			// 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 loadFile method instructions: " + e.getMessage());
+				code.startLine("// Can't load method instructions: " + e.getMessage());
 				return;
 			}
 		}
@@ -211,50 +257,85 @@ public class MethodGen {
 			code.startLine("// Can't load method instructions.");
 			return;
 		}
+		code.incIndent();
 		if (mth.getThisArg() != null) {
-			code.startLine(getFallbackMethodGen(mth).nameGen.useArg(mth.getThisArg())).add(" = this;");
+			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) {
 				continue;
 			}
-			if (addLabels) {
-				if (insn.contains(AType.JUMP)
-						|| insn.contains(AType.EXC_HANDLER)) {
-					code.decIndent();
-					code.startLine(getLabelName(insn.getOffset()) + ":");
-					code.incIndent();
-				}
+			if (addLabels && needLabel(insn, prevInsn)) {
+				code.decIndent();
+				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
 	 */
-	private static MethodGen getFallbackMethodGen(MethodNode mth) {
-		ClassGen clsGen = new ClassGen(mth.getParentClass(), null, true);
+	public static MethodGen getFallbackMethodGen(MethodNode mth) {
+		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

@@ -1,62 +1,83 @@
 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;
 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 jadx.core.utils.Utils;
 
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
-
 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(boolean fallback) {
+	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);
-		SSAVar sVar = arg.getSVar();
-		if (sVar != null) {
-			sVar.setName(name);
-		}
+		var.setName(name);
 		return name;
 	}
 
@@ -71,7 +92,16 @@ public class NameGen {
 	}
 
 	public String useArg(RegisterArg arg) {
-		String name = makeArgName(arg);
+		String name = arg.getName();
+		if (name == null || fallback) {
+			return getFallbackName(arg);
+		}
+		return name;
+	}
+
+	// TODO: avoid name collision with variables names
+	public String getLoopLabel(LoopLabelAttr attr) {
+		String name = "loop" + attr.getLoop().getId();
 		varNames.add(name);
 		return name;
 	}
@@ -87,58 +117,93 @@ public class NameGen {
 		return r;
 	}
 
-	private String makeArgName(RegisterArg arg) {
-		String name = arg.getName();
+	private String makeArgName(CodeVar var) {
 		if (fallback) {
-			String base = "r" + arg.getRegNum();
-			if (name != null) {
-				return base + "_" + name;
-			}
-			return base;
+			return getFallbackName(var);
 		}
-		String varName;
-		if (name != null) {
-			if ("this".equals(name)) {
-				return name;
-			}
-			varName = name;
-		} else {
-			varName = makeNameForType(arg.getType());
+		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 static String makeNameForType(ArgType type) {
+	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(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(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) {
 		return type.getPrimitiveType().getShortName().toLowerCase();
 	}
 
-	private static String makeNameForObject(ArgType type) {
+	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 clsInfo = ClassInfo.fromType(type);
-			String shortName = clsInfo.getShortName();
+			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 Utils.escape(type.toString());
+		return StringUtils.escape(type.toString());
 	}
 
 	private static String fromName(String name) {
@@ -159,35 +224,15 @@ public class NameGen {
 		return null;
 	}
 
-	public static void guessName(RegisterArg arg) {
-		SSAVar sVar = arg.getSVar();
-		if (sVar == null || sVar.getName() != null) {
-			return;
-		}
-		RegisterArg assignArg = sVar.getAssign();
-		InsnNode assignInsn = assignArg.getParentInsn();
-		String name = makeNameFromInsn(assignInsn);
-		if (name != null && !NameMapper.isReserved(name)) {
-			assignArg.setName(name);
-		}
-	}
-
-	public static String getAliasForObject(String name) {
+	private static String getAliasForObject(String name) {
 		return OBJ_ALIAS.get(name);
 	}
 
-	private static String makeNameFromInsn(InsnNode insn) {
+	private String makeNameFromInsn(InsnNode insn) {
 		switch (insn.getType()) {
 			case INVOKE:
 				InvokeNode inv = (InvokeNode) insn;
-				String name = inv.getCallMth().getName();
-				if (name.startsWith("get") || name.startsWith("set")) {
-					return fromName(name.substring(3));
-				}
-				if ("iterator".equals(name)) {
-					return "it";
-				}
-				return name;
+				return makeNameFromInvoke(inv.getCallMth());
 
 			case CONSTRUCTOR:
 				ConstructorInsn co = (ConstructorInsn) insn;
@@ -215,4 +260,25 @@ public class NameGen {
 		}
 		return null;
 	}
+
+	private String makeNameFromInvoke(MethodInfo callMth) {
+		String name = callMth.getName();
+		if (name.startsWith("get") || name.startsWith("set")) {
+			return fromName(name.substring(3));
+		}
+		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

@@ -1,35 +1,47 @@
 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.info.FieldInfo;
-import jadx.core.dex.instructions.IndexInsnNode;
+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;
 import jadx.core.dex.nodes.BlockNode;
+import jadx.core.dex.nodes.FieldNode;
 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.regions.IfCondition;
-import jadx.core.dex.regions.IfRegion;
-import jadx.core.dex.regions.LoopRegion;
+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;
-import jadx.core.dex.trycatch.CatchAttr;
+import jadx.core.dex.regions.TryCatchRegion;
+import jadx.core.dex.regions.conditions.IfCondition;
+import jadx.core.dex.regions.conditions.IfRegion;
+import jadx.core.dex.regions.loops.ForEachLoop;
+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.dex.trycatch.TryCatchBlock;
+import jadx.core.utils.BlockUtils;
+import jadx.core.utils.ErrorsCounter;
 import jadx.core.utils.RegionUtils;
 import jadx.core.utils.exceptions.CodegenException;
-
-import java.util.List;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import jadx.core.utils.exceptions.JadxRuntimeException;
 
 public class RegionGen extends InsnGen {
 	private static final Logger LOG = LoggerFactory.getLogger(RegionGen.class);
@@ -52,6 +64,8 @@ public class RegionGen extends InsnGen {
 					makeSwitch((SwitchRegion) cont, code);
 				} else if (cont instanceof LoopRegion) {
 					makeLoop((LoopRegion) cont, code);
+				} else if (cont instanceof TryCatchRegion) {
+					makeTryCatch((TryCatchRegion) cont, code);
 				} else if (cont instanceof SynchronizedRegion) {
 					makeSynchronizedRegion((SynchronizedRegion) cont, code);
 				}
@@ -64,7 +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(';');
@@ -73,14 +87,9 @@ public class RegionGen extends InsnGen {
 	}
 
 	private void makeSimpleRegion(CodeWriter code, Region region) throws CodegenException {
-		CatchAttr tc = region.get(AType.CATCH_BLOCK);
-		if (tc != null) {
-			makeTryCatch(region, tc.getTryBlock(), code);
-		} else {
-			declareVars(code, region);
-			for (IContainer c : region.getSubBlocks()) {
-				makeRegion(code, c);
-			}
+		declareVars(code, region);
+		for (IContainer c : region.getSubBlocks()) {
+			makeRegion(code, c);
 		}
 	}
 
@@ -91,8 +100,14 @@ 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()) {
-			makeInsn(insn, code);
+			if (!insn.contains(AFlag.DONT_GENERATE)) {
+				makeInsn(insn, code);
+			}
 		}
 		ForceReturnAttr retAttr = block.get(AType.FORCE_RETURN);
 		if (retAttr != null) {
@@ -101,29 +116,49 @@ public class RegionGen extends InsnGen {
 	}
 
 	private void makeIf(IfRegion region, CodeWriter code, boolean newLine) throws CodegenException {
-		if (region.getTernRegion() != null) {
-			makeSimpleBlock(region.getTernRegion().getBlock(), code);
-			return;
-		}
 		if (newLine) {
-			code.startLine();
+			code.startLineWithNum(region.getSourceLine());
+		} else {
+			code.attachSourceLine(region.getSourceLine());
 		}
-		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('}');
+			}
 		}
 	}
 
@@ -131,17 +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;
 	}
@@ -151,8 +185,7 @@ public class RegionGen extends InsnGen {
 		if (header != null) {
 			List<InsnNode> headerInsns = header.getInstructions();
 			if (headerInsns.size() > 1) {
-				// write not inlined instructions from header
-				mth.add(AFlag.INCONSISTENT_CODE);
+				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);
@@ -160,6 +193,10 @@ public class RegionGen extends InsnGen {
 				}
 			}
 		}
+		LoopLabelAttr labelAttr = region.getInfo().getStart().get(AType.LOOP_LABEL);
+		if (labelAttr != null) {
+			code.startLine(mgen.getNameGen().getLoopLabel(labelAttr)).add(':');
+		}
 
 		IfCondition condition = region.getCondition();
 		if (condition == null) {
@@ -169,16 +206,45 @@ public class RegionGen extends InsnGen {
 			code.startLine('}');
 			return code;
 		}
-
 		ConditionGen conditionGen = new ConditionGen(this);
+		LoopType type = region.getType();
+		if (type != null) {
+			if (type instanceof ForLoop) {
+				ForLoop forLoop = (ForLoop) type;
+				code.startLine("for (");
+				makeInsn(forLoop.getInitInsn(), code, Flags.INLINE);
+				code.add("; ");
+				conditionGen.add(code, condition);
+				code.add("; ");
+				makeInsn(forLoop.getIncrInsn(), code, Flags.INLINE);
+				code.add(") {");
+				makeRegionIndent(code, region.getBody());
+				code.startLine('}');
+				return code;
+			}
+			if (type instanceof ForEachLoop) {
+				ForEachLoop forEachLoop = (ForEachLoop) type;
+				code.startLine("for (");
+				declareVar(code, forEachLoop.getVarArg());
+				code.add(" : ");
+				addArg(code, forEachLoop.getIterableArg(), false);
+				code.add(") {");
+				makeRegionIndent(code, region.getBody());
+				code.startLine('}');
+				return code;
+			}
+			throw new JadxRuntimeException("Unknown loop type: " + type.getClass());
+		}
 		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());
@@ -196,10 +262,11 @@ 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);
+		addArg(code, arg, false);
 		code.add(") {");
 		code.incIndent();
 
@@ -209,77 +276,90 @@ public class RegionGen extends InsnGen {
 			IContainer c = sw.getCases().get(i);
 			for (Object k : keys) {
 				code.startLine("case ");
-				if (k instanceof IndexInsnNode) {
-					staticField(code, (FieldInfo) ((IndexInsnNode) k).getIndex());
+				if (k instanceof FieldNode) {
+					FieldNode fn = (FieldNode) k;
+					if (fn.getParentClass().isEnum()) {
+						code.add(fn.getAlias());
+					} else {
+						staticField(code, fn.getFieldInfo());
+						// print original value, sometimes replace with incorrect field
+						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(), mth, fallback));
 				} else {
-					code.add(TypeGen.literalToString((Integer) k, arg.getType()));
+					throw new JadxRuntimeException("Unexpected key in switch: " + (k != null ? k.getClass() : null));
 				}
 				code.add(':');
 			}
-			makeCaseBlock(c, code);
+			makeRegionIndent(code, c);
 		}
 		if (sw.getDefaultCase() != null) {
 			code.startLine("default:");
-			makeCaseBlock(sw.getDefaultCase(), code);
+			makeRegionIndent(code, sw.getDefaultCase());
 		}
 		code.decIndent();
 		code.startLine('}');
 		return code;
 	}
 
-	private void makeCaseBlock(IContainer c, CodeWriter code) throws CodegenException {
-		boolean addBreak = true;
-		if (RegionUtils.notEmpty(c)) {
-			makeRegionIndent(code, c);
-			if (!RegionUtils.hasExitEdge(c)) {
-				addBreak = false;
-			}
-		}
-		if (addBreak) {
-			code.startLine().addIndent().add("break;");
-		}
-	}
-
-	private void makeTryCatch(IContainer region, TryCatchBlock tryCatchBlock, CodeWriter code)
-			throws CodegenException {
+	private void makeTryCatch(TryCatchRegion region, CodeWriter code) throws CodegenException {
 		code.startLine("try {");
-		region.remove(AType.CATCH_BLOCK);
-		makeRegionIndent(code, region);
+		makeRegionIndent(code, region.getTryRegion());
+		// TODO: move search of 'allHandler' to 'TryCatchRegion'
 		ExceptionHandler allHandler = null;
-		for (ExceptionHandler handler : tryCatchBlock.getHandlers()) {
-			if (!handler.isCatchAll()) {
-				makeCatchBlock(code, handler);
-			} else {
+		for (Map.Entry<ExceptionHandler, IContainer> entry : region.getCatchRegions().entrySet()) {
+			ExceptionHandler handler = entry.getKey();
+			if (handler.isCatchAll()) {
 				if (allHandler != null) {
-					LOG.warn("Several 'all' handlers in try/catch block in " + mth);
+					LOG.warn("Several 'all' handlers in try/catch block in {}", mth);
 				}
 				allHandler = handler;
+			} else {
+				makeCatchBlock(code, handler);
 			}
 		}
 		if (allHandler != null) {
 			makeCatchBlock(code, allHandler);
 		}
-		if (tryCatchBlock.getFinalRegion() != null) {
+		IContainer finallyRegion = region.getFinallyRegion();
+		if (finallyRegion != null) {
 			code.startLine("} finally {");
-			makeRegionIndent(code, tryCatchBlock.getFinalRegion());
+			makeRegionIndent(code, finallyRegion);
 		}
 		code.startLine('}');
 	}
 
-	private void makeCatchBlock(CodeWriter code, ExceptionHandler handler)
-			throws CodegenException {
+	private void makeCatchBlock(CodeWriter code, ExceptionHandler handler) throws CodegenException {
 		IContainer region = handler.getHandlerRegion();
-		if (region != null) {
-			code.startLine("} catch (");
-			if (handler.isCatchAll()) {
-				code.add("Throwable");
-			} else {
-				useClass(code, handler.getCatchType());
-			}
-			code.add(' ');
-			code.add(mgen.getNameGen().assignNamedArg(handler.getArg()));
-			code.add(") {");
-			makeRegionIndent(code, region);
+		if (region == null) {
+			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) {
+			RegisterArg reg = (RegisterArg) arg;
+			code.add(mgen.getNameGen().assignArg(reg.getSVar().getCodeVar()));
+		} else if (arg instanceof NamedArg) {
+			code.add(mgen.getNameGen().assignNamedArg((NamedArg) arg));
+		}
+		code.add(") {");
+		makeRegionIndent(code, region);
 	}
 }

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

@@ -1,15 +1,26 @@
 package jadx.core.codegen;
 
+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);
+
+	private TypeGen() {
+	}
 
 	public static String signature(ArgType type) {
-		final PrimitiveType stype = type.getPrimitiveType();
+		PrimitiveType stype = type.getPrimitiveType();
 		if (stype == PrimitiveType.OBJECT) {
 			return Utils.makeQualifiedObjectName(type.getObject());
 		}
@@ -19,18 +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;
 		}
@@ -39,15 +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:
@@ -56,7 +92,8 @@ public class TypeGen {
 			case OBJECT:
 			case ARRAY:
 				if (lit != 0) {
-					throw new JadxRuntimeException("Wrong object literal: " + type + " = " + lit);
+					LOG.warn("Wrong object literal: {} for type: {}", lit, type);
+					return Long.toString(lit);
 				}
 				return "null";
 
@@ -65,38 +102,94 @@ public class TypeGen {
 		}
 	}
 
-	public static String formatShort(short s) {
-		return "(short) " + wrapNegNum(s < 0, Short.toString(s));
+	public static String formatShort(long l, boolean cast) {
+		if (l == Short.MAX_VALUE) {
+			return "Short.MAX_VALUE";
+		}
+		if (l == Short.MIN_VALUE) {
+			return "Short.MIN_VALUE";
+		}
+		String str = Long.toString(l);
+		return cast ? "(short) " + str : str;
 	}
 
-	public static String formatByte(byte b) {
-		return "(byte) " + wrapNegNum(b < 0, Byte.toString(b));
+	public static String formatByte(long l, boolean cast) {
+		if (l == Byte.MAX_VALUE) {
+			return "Byte.MAX_VALUE";
+		}
+		if (l == Byte.MIN_VALUE) {
+			return "Byte.MIN_VALUE";
+		}
+		String str = Long.toString(l);
+		return cast ? "(byte) " + str : str;
 	}
 
-	public static String formatInteger(int i) {
-		return wrapNegNum(i < 0, Integer.toString(i));
+	public static String formatInteger(long l, boolean cast) {
+		if (l == Integer.MAX_VALUE) {
+			return "Integer.MAX_VALUE";
+		}
+		if (l == Integer.MIN_VALUE) {
+			return "Integer.MIN_VALUE";
+		}
+		String str = Long.toString(l);
+		return cast ? "(int) " + str : str;
+	}
+
+	public static String formatLong(long l, boolean cast) {
+		if (l == Long.MAX_VALUE) {
+			return "Long.MAX_VALUE";
+		}
+		if (l == Long.MIN_VALUE) {
+			return "Long.MIN_VALUE";
+		}
+		String str = Long.toString(l);
+		if (cast || Math.abs(l) >= Integer.MAX_VALUE) {
+			return str + 'L';
+		}
+		return str;
 	}
 
 	public static String formatDouble(double d) {
-		return wrapNegNum(d < 0, Double.toString(d) + "d");
+		if (Double.isNaN(d)) {
+			return "Double.NaN";
+		}
+		if (d == Double.NEGATIVE_INFINITY) {
+			return "Double.NEGATIVE_INFINITY";
+		}
+		if (d == Double.POSITIVE_INFINITY) {
+			return "Double.POSITIVE_INFINITY";
+		}
+		if (d == Double.MIN_VALUE) {
+			return "Double.MIN_VALUE";
+		}
+		if (d == Double.MAX_VALUE) {
+			return "Double.MAX_VALUE";
+		}
+		if (d == Double.MIN_NORMAL) {
+			return "Double.MIN_NORMAL";
+		}
+		return Double.toString(d) + 'd';
 	}
 
 	public static String formatFloat(float f) {
-		return wrapNegNum(f < 0, Float.toString(f) + "f");
-	}
-
-	public static String formatLong(long lit) {
-		String l = Long.toString(lit);
-		if (lit == Long.MIN_VALUE || Math.abs(lit) >= Integer.MAX_VALUE) {
-			l += "L";
+		if (Float.isNaN(f)) {
+			return "Float.NaN";
 		}
-		return wrapNegNum(lit < 0, l);
-	}
-
-	private static String wrapNegNum(boolean lz, String str) {
-//		if (lz)
-//			return "(" + str + ")";
-//		else
-		return str;
+		if (f == Float.NEGATIVE_INFINITY) {
+			return "Float.NEGATIVE_INFINITY";
+		}
+		if (f == Float.POSITIVE_INFINITY) {
+			return "Float.POSITIVE_INFINITY";
+		}
+		if (f == Float.MIN_VALUE) {
+			return "Float.MIN_VALUE";
+		}
+		if (f == Float.MAX_VALUE) {
+			return "Float.MAX_VALUE";
+		}
+		if (f == Float.MIN_NORMAL) {
+			return "Float.MIN_NORMAL";
+		}
+		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/DeobfClsInfo.java

@@ -0,0 +1,50 @@
+package jadx.core.deobf;
+
+import jadx.core.dex.nodes.ClassNode;
+
+class DeobfClsInfo {
+	private final Deobfuscator deobfuscator;
+	private final ClassNode cls;
+	private final PackageNode pkg;
+	private final String alias;
+
+	public DeobfClsInfo(Deobfuscator deobfuscator, ClassNode cls, PackageNode pkg, String alias) {
+		this.deobfuscator = deobfuscator;
+		this.cls = cls;
+		this.pkg = pkg;
+		this.alias = alias;
+	}
+
+	public String makeNameWithoutPkg() {
+		String prefix;
+		ClassNode parentClass = cls.getParentClass();
+		if (parentClass != cls) {
+			DeobfClsInfo parentDeobfClsInfo = deobfuscator.getClsMap().get(parentClass.getClassInfo());
+			if (parentDeobfClsInfo != null) {
+				prefix = parentDeobfClsInfo.makeNameWithoutPkg();
+			} else {
+				prefix = deobfuscator.getNameWithoutPackage(parentClass.getClassInfo());
+			}
+			prefix += Deobfuscator.INNER_CLASS_SEPARATOR;
+		} else {
+			prefix = "";
+		}
+		return prefix + (this.alias != null ? this.alias : this.cls.getShortName());
+	}
+
+	public String getFullName() {
+		return pkg.getFullAlias() + Deobfuscator.CLASS_NAME_SEPARATOR + makeNameWithoutPkg();
+	}
+
+	public ClassNode getCls() {
+		return cls;
+	}
+
+	public PackageNode getPkg() {
+		return pkg;
+	}
+
+	public String getAlias() {
+		return alias;
+	}
+}

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

@@ -0,0 +1,172 @@
+package jadx.core.deobf;
+
+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.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 Charset MAP_FILE_CHARSET = UTF_8;
+
+	private final Deobfuscator deobfuscator;
+	private final Path deobfMapFile;
+
+	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, Path deobfMapFile) {
+		this.deobfuscator = deobfuscator;
+		this.deobfMapFile = deobfMapFile;
+	}
+
+	/**
+	 * Loads deobfuscator presets
+	 */
+	public void load() {
+		if (!Files.exists(deobfMapFile)) {
+			return;
+		}
+		LOG.info("Loading obfuscation map from: {}", deobfMapFile.toAbsolutePath());
+		try {
+			List<String> lines = Files.readAllLines(deobfMapFile, MAP_FILE_CHARSET);
+			for (String l : lines) {
+				l = l.trim();
+				if (l.isEmpty() || l.startsWith("#")) {
+					continue;
+				}
+				String[] va = splitAndTrim(l);
+				if (va.length != 2) {
+					continue;
+				}
+				String origName = va[0];
+				String alias = va[1];
+				if (l.startsWith("p ")) {
+					deobfuscator.addPackagePreset(origName, alias);
+				} else if (l.startsWith("c ")) {
+					clsPresetMap.put(origName, alias);
+				} else if (l.startsWith("f ")) {
+					fldPresetMap.put(origName, alias);
+				} else if (l.startsWith("m ")) {
+					mthPresetMap.put(origName, alias);
+				}
+			}
+		} catch (IOException e) {
+			LOG.error("Failed to load deobfuscation map file '{}'", deobfMapFile.toAbsolutePath(), e);
+		}
+	}
+
+	private static String[] splitAndTrim(String str) {
+		String[] v = str.substring(2).split("=");
+		for (int i = 0; i < v.length; i++) {
+			v[i] = v[i].trim();
+		}
+		return v;
+	}
+
+	public void save(boolean forceSave) {
+		try {
+			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.toAbsolutePath());
+				}
+			} else {
+				dumpMapping();
+			}
+		} catch (IOException e) {
+			LOG.error("Failed to load deobfuscation map file '{}'", deobfMapFile.toAbsolutePath(), e);
+		}
+	}
+
+	/**
+	 * Saves DefaultDeobfuscator presets
+	 */
+	private void dumpMapping() throws IOException {
+		List<String> list = new ArrayList<>();
+		// packages
+		for (PackageNode p : deobfuscator.getRootPackage().getInnerPackages()) {
+			for (PackageNode pp : p.getInnerPackages()) {
+				dfsPackageName(list, p.getName(), pp);
+			}
+			if (p.hasAlias()) {
+				list.add(String.format("p %s = %s", p.getName(), p.getAlias()));
+			}
+		}
+		// classes
+		for (DeobfClsInfo deobfClsInfo : deobfuscator.getClsMap().values()) {
+			if (deobfClsInfo.getAlias() != null) {
+				list.add(String.format("c %s = %s",
+						deobfClsInfo.getCls().getClassInfo().makeRawFullName(), deobfClsInfo.getAlias()));
+			}
+		}
+		for (FieldInfo fld : deobfuscator.getFldMap().keySet()) {
+			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.getRawFullId(), mth.getAlias()));
+		}
+		Collections.sort(list);
+		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) {
+		for (PackageNode pp : node.getInnerPackages()) {
+			dfsPackageName(list, prefix + '.' + node.getName(), pp);
+		}
+		if (node.hasAlias()) {
+			list.add(String.format("p %s.%s = %s", prefix, node.getName(), node.getAlias()));
+		}
+	}
+
+	public String getForCls(ClassInfo cls) {
+		return clsPresetMap.get(cls.makeRawFullName());
+	}
+
+	public String getForFld(FieldInfo fld) {
+		return fldPresetMap.get(fld.getRawFullId());
+	}
+
+	public String getForMth(MethodInfo mth) {
+		return mthPresetMap.get(mth.getRawFullId());
+	}
+
+	public void clear() {
+		clsPresetMap.clear();
+		fldPresetMap.clear();
+		mthPresetMap.clear();
+	}
+
+	public Map<String, String> getClsPresetMap() {
+		return clsPresetMap;
+	}
+
+	public Map<String, String> getFldPresetMap() {
+		return fldPresetMap;
+	}
+
+	public Map<String, String> getMthPresetMap() {
+		return mthPresetMap;
+	}
+}

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

@@ -0,0 +1,614 @@
+package jadx.core.deobf;
+
+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;
+import java.util.TreeSet;
+
+import org.jetbrains.annotations.NotNull;
+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);
+
+	private static final boolean DEBUG = false;
+
+	public static final String CLASS_NAME_SEPARATOR = ".";
+	public static final String INNER_CLASS_SEPARATOR = "$";
+
+	private final JadxArgs args;
+	@NotNull
+	private final List<DexNode> dexNodes;
+	private final DeobfPresets deobfPresets;
+
+	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<>();
+	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(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);
+	}
+
+	public void execute() {
+		if (!args.isDeobfuscationForceSave()) {
+			deobfPresets.load();
+			initIndexes();
+		}
+		process();
+	}
+
+	public void savePresets() {
+		deobfPresets.save(args.isDeobfuscationForceSave());
+	}
+
+	public void clear() {
+		deobfPresets.clear();
+		clsMap.clear();
+		fldMap.clear();
+		mthMap.clear();
+
+		ovrd.clear();
+		ovrdMap.clear();
+	}
+
+	private void initIndexes() {
+		pkgIndex = pkgSet.size();
+		clsIndex = deobfPresets.getClsPresetMap().size();
+		fldIndex = deobfPresets.getFldPresetMap().size();
+		mthIndex = deobfPresets.getMthPresetMap().size();
+	}
+
+	private void preProcess() {
+		for (DexNode dexNode : dexNodes) {
+			for (ClassNode cls : dexNode.getClasses()) {
+				Collections.addAll(reservedClsNames, cls.getPackage().split("\\."));
+			}
+		}
+		for (DexNode dexNode : dexNodes) {
+			for (ClassNode cls : dexNode.getClasses()) {
+				preProcessClass(cls);
+			}
+		}
+	}
+
+	private void process() {
+		preProcess();
+		if (DEBUG) {
+			dumpAlias();
+		}
+		for (DexNode dexNode : dexNodes) {
+			for (ClassNode cls : dexNode.getClasses()) {
+				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);
+			}
+		}
+	}
+
+	private OverridedMethodsNode getOverrideMethodsNode(Set<MethodInfo> overrideSet) {
+		for (MethodInfo overrideMth : overrideSet) {
+			OverridedMethodsNode node = ovrdMap.get(overrideMth);
+			if (node != null) {
+				return node;
+			}
+		}
+		return null;
+	}
+
+	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();
+		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()) {
+			if (field.contains(AFlag.DONT_RENAME)) {
+				continue;
+			}
+			renameField(field);
+		}
+		for (MethodNode mth : cls.getMethods()) {
+			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);
+		}
+	}
+
+	public void addPackagePreset(String origPkgName, String pkgAlias) {
+		PackageNode pkg = getPackageNode(origPkgName, true);
+		pkg.setAlias(pkgAlias);
+	}
+
+	/**
+	 * Gets package node for full package name
+	 *
+	 * @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}
+	 */
+	private PackageNode getPackageNode(String fullPkgName, boolean create) {
+		if (fullPkgName.isEmpty() || fullPkgName.equals(CLASS_NAME_SEPARATOR)) {
+			return rootPackage;
+		}
+		PackageNode result = rootPackage;
+		PackageNode parentNode;
+		do {
+			String pkgName;
+			int idx = fullPkgName.indexOf(CLASS_NAME_SEPARATOR);
+
+			if (idx > -1) {
+				pkgName = fullPkgName.substring(0, idx);
+				fullPkgName = fullPkgName.substring(idx + 1);
+			} else {
+				pkgName = fullPkgName;
+				fullPkgName = "";
+			}
+			parentNode = result;
+			result = result.getInnerPackageByName(pkgName);
+			if (result == null && create) {
+				result = new PackageNode(pkgName);
+				parentNode.addInnerPackage(result);
+			}
+		} while (!fullPkgName.isEmpty() && result != null);
+
+		return result;
+	}
+
+	String getNameWithoutPackage(ClassInfo clsInfo) {
+		String prefix;
+		ClassInfo parentClsInfo = clsInfo.getParentClass();
+		if (parentClsInfo != null) {
+			DeobfClsInfo parentDeobfClsInfo = clsMap.get(parentClsInfo);
+			if (parentDeobfClsInfo != null) {
+				prefix = parentDeobfClsInfo.makeNameWithoutPkg();
+			} else {
+				prefix = getNameWithoutPackage(parentClsInfo);
+			}
+			prefix += INNER_CLASS_SEPARATOR;
+		} else {
+			prefix = "";
+		}
+		return prefix + clsInfo.getShortName();
+	}
+
+	private void preProcessClass(ClassNode cls) {
+		ClassInfo classInfo = cls.getClassInfo();
+		String pkgFullName = classInfo.getPackage();
+		PackageNode pkg = getPackageNode(pkgFullName, true);
+		processPackageFull(pkg, pkgFullName);
+
+		String alias = deobfPresets.getForCls(classInfo);
+		if (alias != null) {
+			clsMap.put(classInfo, new DeobfClsInfo(this, cls, pkg, alias));
+		} else {
+			if (!clsMap.containsKey(classInfo)) {
+				String clsShortName = classInfo.getShortName();
+				if (shouldRename(clsShortName) || reservedClsNames.contains(clsShortName)) {
+					makeClsAlias(cls);
+				}
+			}
+		}
+		for (ClassNode innerCls : cls.getInnerClasses()) {
+			preProcessClass(innerCls);
+		}
+	}
+
+	public String getClsAlias(ClassNode cls) {
+		DeobfClsInfo deobfClsInfo = clsMap.get(cls.getClassInfo());
+		if (deobfClsInfo != null) {
+			return deobfClsInfo.getAlias();
+		}
+		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 = null;
+
+		if (this.useSourceNameAsAlias) {
+			alias = getAliasFromSourceFile(cls);
+		}
+
+		if (alias == null) {
+			String clsName = classInfo.getShortName();
+			alias = String.format("C%04d%s", clsIndex++, prepareNamePart(clsName));
+		}
+		PackageNode pkg = getPackageNode(classInfo.getPackage(), true);
+		clsMap.put(classInfo, new DeobfClsInfo(this, cls, pkg, alias));
+		return alias;
+	}
+
+	@Nullable
+	private String getAliasFromSourceFile(ClassNode cls) {
+		SourceFileAttr sourceFileAttr = cls.get(AType.SOURCE_FILE);
+		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.isValidAndPrintable(name)) {
+			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
+	private String getFieldAlias(FieldNode field) {
+		FieldInfo fieldInfo = field.getFieldInfo();
+		String alias = fldMap.get(fieldInfo);
+		if (alias != null) {
+			return alias;
+		}
+		alias = deobfPresets.getForFld(fieldInfo);
+		if (alias != null) {
+			fldMap.put(fieldInfo, alias);
+			return alias;
+		}
+		if (shouldRename(field.getName())) {
+			return makeFieldAlias(field);
+		}
+		return null;
+	}
+
+	@Nullable
+	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;
+		}
+		alias = deobfPresets.getForMth(methodInfo);
+		if (alias != null) {
+			mthMap.put(methodInfo, alias);
+			methodInfo.setAliasFromPreset(true);
+			return alias;
+		}
+		if (shouldRename(mth.getName())) {
+			return makeMethodAlias(mth);
+		}
+		return null;
+	}
+
+	public String makeFieldAlias(FieldNode field) {
+		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++, prepareNamePart(mth.getName()));
+		mthMap.put(mth.getMethodInfo(), alias);
+		return alias;
+	}
+
+	private void processPackageFull(PackageNode pkg, String fullName) {
+		if (pkgSet.contains(fullName)) {
+			return;
+		}
+		pkgSet.add(fullName);
+
+		// doPkg for all parent packages except root that not hasAliases
+		PackageNode parentPkg = pkg.getParentPackage();
+		while (!parentPkg.getName().isEmpty()) {
+			if (!parentPkg.hasAlias()) {
+				processPackageFull(parentPkg, parentPkg.getFullName());
+			}
+			parentPkg = parentPkg.getParentPackage();
+		}
+
+		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) {
+		int len = s.length();
+		return len < minLength || len > maxLength;
+	}
+
+	private String prepareNamePart(String name) {
+		if (name.length() > maxLength) {
+			return 'x' + Integer.toHexString(name.hashCode());
+		}
+		return NameMapper.removeInvalidCharsMiddle(name);
+	}
+
+	private void dumpClassAlias(ClassNode cls) {
+		PackageNode pkg = getPackageNode(cls.getPackage(), false);
+
+		if (pkg != null) {
+			if (!cls.getFullName().equals(getClassFullName(cls))) {
+				LOG.info("Alias name for class '{}' is '{}'", cls.getFullName(), getClassFullName(cls));
+			}
+		} else {
+			LOG.error("Can't find package node for '{}'", cls.getPackage());
+		}
+	}
+
+	private void dumpAlias() {
+		for (DexNode dexNode : dexNodes) {
+			for (ClassNode cls : dexNode.getClasses()) {
+				dumpClassAlias(cls);
+			}
+		}
+	}
+
+	private String getPackageName(String packageName) {
+		PackageNode pkg = getPackageNode(packageName, false);
+		if (pkg != null) {
+			return pkg.getFullAlias();
+		}
+		return packageName;
+	}
+
+	private String getClassName(ClassInfo clsInfo) {
+		DeobfClsInfo deobfClsInfo = clsMap.get(clsInfo);
+		if (deobfClsInfo != null) {
+			return deobfClsInfo.makeNameWithoutPkg();
+		}
+		return getNameWithoutPackage(clsInfo);
+	}
+
+	private String getClassFullName(ClassNode cls) {
+		ClassInfo clsInfo = cls.getClassInfo();
+		DeobfClsInfo deobfClsInfo = clsMap.get(clsInfo);
+		if (deobfClsInfo != null) {
+			return deobfClsInfo.getFullName();
+		}
+		return getPackageName(clsInfo.getPackage()) + CLASS_NAME_SEPARATOR + getClassName(clsInfo);
+	}
+
+	public Map<ClassInfo, DeobfClsInfo> getClsMap() {
+		return clsMap;
+	}
+
+	public Map<FieldInfo, String> getFldMap() {
+		return fldMap;
+	}
+
+	public Map<MethodInfo, String> getMthMap() {
+		return mthMap;
+	}
+
+	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

@@ -3,11 +3,20 @@ package jadx.core.deobf;
 import java.util.Arrays;
 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 Set<String> RESERVED_NAMES = new HashSet<String>(
-			Arrays.asList(new String[]{
+	private static final Pattern VALID_JAVA_IDENTIFIER = Pattern.compile(
+			"\\p{javaJavaIdentifierStart}\\p{javaJavaIdentifierPart}*");
+
+	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<>(
+			Arrays.asList(
 					"abstract",
 					"assert",
 					"boolean",
@@ -60,12 +69,97 @@ 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 notEmpty(str)
+				&& !isReserved(str)
+				&& VALID_JAVA_IDENTIFIER.matcher(str).matches();
+	}
+
+	public static boolean isValidFullIdentifier(String 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) {
+		return 32 <= c && c <= 126;
+	}
+
+	public static boolean isAllCharsPrintable(String str) {
+		int len = str.length();
+		for (int i = 0; i < len; i++) {
+			if (!isPrintableChar(str.charAt(i))) {
+				return false;
+			}
+		}
+		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

@@ -0,0 +1,145 @@
+package jadx.core.deobf;
+
+import java.util.ArrayDeque;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Deque;
+import java.util.List;
+
+public class PackageNode {
+
+	private static final char SEPARATOR_CHAR = '.';
+
+	private PackageNode parentPackage;
+	private List<PackageNode> innerPackages = Collections.emptyList();
+
+	private final String packageName;
+	private String packageAlias;
+
+	private String cachedPackageFullName;
+	private String cachedPackageFullAlias;
+
+	public PackageNode(String packageName) {
+		this.packageName = packageName;
+		this.parentPackage = this;
+	}
+
+	public String getName() {
+		return packageName;
+	}
+
+	public String getFullName() {
+		if (cachedPackageFullName == null) {
+			Deque<PackageNode> pp = getParentPackages();
+
+			StringBuilder result = new StringBuilder();
+			result.append(pp.pop().getName());
+			while (!pp.isEmpty()) {
+				result.append(SEPARATOR_CHAR);
+				result.append(pp.pop().getName());
+			}
+			cachedPackageFullName = result.toString();
+		}
+		return cachedPackageFullName;
+	}
+
+	public String getAlias() {
+		if (packageAlias != null) {
+			return packageAlias;
+		}
+		return packageName;
+	}
+
+	public void setAlias(String alias) {
+		packageAlias = alias;
+	}
+
+	public boolean hasAlias() {
+		return packageAlias != null;
+	}
+
+	public boolean hasAnyAlias() {
+		if (hasAlias()) {
+			return true;
+		}
+		if (parentPackage != this) {
+			return parentPackage.hasAnyAlias();
+		}
+		return false;
+	}
+
+	public String getFullAlias() {
+		if (cachedPackageFullAlias == null) {
+			Deque<PackageNode> pp = getParentPackages();
+			StringBuilder result = new StringBuilder();
+
+			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();
+		}
+		return cachedPackageFullAlias;
+	}
+
+	public PackageNode getParentPackage() {
+		return parentPackage;
+	}
+
+	public List<PackageNode> getInnerPackages() {
+		return innerPackages;
+	}
+
+	public void addInnerPackage(PackageNode pkg) {
+		if (innerPackages.isEmpty()) {
+			innerPackages = new ArrayList<>();
+		}
+		innerPackages.add(pkg);
+		pkg.parentPackage = this;
+	}
+
+	/**
+	 * Gets inner package node by name
+	 *
+	 * @param name inner package name
+	 * @return package node or {@code null}
+	 */
+	public PackageNode getInnerPackageByName(String name) {
+		PackageNode result = null;
+		for (PackageNode p : innerPackages) {
+			if (p.getName().equals(name)) {
+				result = p;
+				break;
+			}
+		}
+		return result;
+	}
+
+	/**
+	 * Fills stack with parent packages exclude root node
+	 *
+	 * @return stack with parent packages
+	 */
+	private Deque<PackageNode> getParentPackages() {
+		Deque<PackageNode> pp = new ArrayDeque<>();
+
+		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,
 
@@ -10,18 +11,61 @@ public enum AFlag {
 	SYNTHETIC,
 
 	RETURN, // block contains only return instruction
+	ORIG_RETURN,
 
-	DECLARE_VAR,
 	DONT_WRAP,
+	DONT_INLINE,
+	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
 
-	DONT_SHRINK,
-	DONT_GENERATE,
-	SKIP,
+	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,
+	ARITH_ONEARG,
+
+	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

@@ -1,45 +1,90 @@
 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.JadxErrorAttr;
+import jadx.core.dex.attributes.nodes.IgnoreEdgeAttr;
+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;
 
 /**
  * Attribute types enumeration,
- * uses generic type for omit cast after in 'AttributeStorage.get' method
+ * uses generic type for omit cast after 'AttributeStorage.get' method
  *
  * @param <T> attribute class implementation
  */
 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<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>();
+	// 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();
@@ -12,25 +12,28 @@ public abstract class AttrNode implements IAttributeNode {
 
 	@Override
 	public void add(AFlag flag) {
-		getStorage().add(flag);
+		initStorage().add(flag);
 	}
 
 	@Override
 	public void addAttr(IAttribute attr) {
-		getStorage().add(attr);
+		initStorage().add(attr);
 	}
 
 	@Override
 	public <T> void addAttr(AType<AttrList<T>> type, T obj) {
-		getStorage().add(type, obj);
+		initStorage().add(type, obj);
 	}
 
 	@Override
 	public void copyAttributesFrom(AttrNode attrNode) {
-		getStorage().addAll(attrNode.storage);
+		AttributeStorage copyFrom = attrNode.storage;
+		if (!copyFrom.isEmpty()) {
+			initStorage().addAll(copyFrom);
+		}
 	}
 
-	AttributeStorage getStorage() {
+	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

@@ -1,17 +1,17 @@
 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;
-import java.util.HashMap;
+import java.util.IdentityHashMap;
 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 HashMap<AType<?>, IAttribute>(2);
+		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) {
@@ -72,7 +72,7 @@ public class AttributeStorage {
 		if (attrList == null) {
 			return Collections.emptyList();
 		}
-		return attrList.getList();
+		return Collections.unmodifiableList(attrList.getList());
 	}
 
 	public void remove(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

@@ -1,11 +1,11 @@
 package jadx.core.dex.attributes;
 
-import jadx.core.dex.attributes.annotations.Annotation;
-
 import java.util.Collections;
 import java.util.List;
 
-public class EmptyAttrStorage extends AttributeStorage {
+import jadx.core.dex.attributes.annotations.Annotation;
+
+public final class EmptyAttrStorage extends AttributeStorage {
 
 	@Override
 	public boolean contains(AFlag flag) {
@@ -34,22 +34,36 @@ public 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
 	public List<String> getAttributeStrings() {
 		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

@@ -1,12 +1,12 @@
 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 static enum Visibility {
+	public enum Visibility {
 		BUILD, RUNTIME, SYSTEM
 	}
 
@@ -42,7 +42,6 @@ public class Annotation {
 
 	@Override
 	public String toString() {
-		return "Annotation[" + visibility + ", " + atype + ", " + values + "]";
+		return "Annotation[" + visibility + ", " + atype + ", " + values + ']';
 	}
-
 }