hub / github.com/Vineflower/vineflower

github.com/Vineflower/vineflower @1.12.0

repository ↗ · DeepWiki ↗ · release 1.12.0 ↗ · + Follow

7,147 symbols 25,065 edges 1,080 files 114 documented · 2% 1 cross-repo links

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README

Vineflower

Vineflower is a modern general purpose Java & JVM language decompiler focused on providing the best quality, speed, and usability.

Vineflower's features include: - Java 21+ support, including records, sealed classes, switch expressions, pattern matching, and more - Clean code generation and output, with automatic output formatting - Multithreaded decompilation

Examples of Vineflower's output compared to other decompilers can be found on the website.

Use

Vineflower can be used from the console or as a library. To run Vineflower from the command line, download the latest release from the Releases tab. You can then run Vineflower with `java -jar vineflower.jar

.is the list of [commandline arguments](https://vineflower.org/usage/) that you want to pass to the decompiler.

can be a jar, zip, folder, or class file, and` can be a folder, zip, jar, or omitted to print to the console.

To use Vineflower as a library, you can find distributions on maven central. Vineflower 1.9+ requires Java 11 or higher to run, and Vineflower 1.11+ requires Java 17 or higher to run. Vineflower can be addded as a dependency in gradle with:

dependencies {
    implementation 'org.vineflower:vineflower:<version>'
}

More instructions on how to interface with Vineflower can be found on the website.

For IDE use, the Vineflower Intellij IDEA plugin replaces Fernflower in IDEA with Vineflower.

Please report any issues to the Issues tab!

Building

Vineflower can be built simply with ./gradlew build.

Support

For support or questions, please join one of the listed social platforms.

Contributing

Contributions are always welcome! The website has detailed instructions on how to set up Vineflower development, as well as information on debugging. When submitting pull requests, please target the latest develop/1.xx.y branch.

Special Thanks

Vineflower is a fork of Jetbrains' Fernflower, MinecraftForge's ForgeFlower, FabricMC's fork of Fernflower, and a direct continuation of work on Quiltflower. Special thanks to:

Stiver, for creating Fernflower
JetBrains, for maintaining Fernflower
MinecraftForge Team, for maintaining ForgeFlower
FabricMC Team, for maintaining Fabric's fork of Fernflower
CFR, for its large suite of very useful tests

Extension points exported contracts — how you extend this code

Pass (Interface)

A pass that can be run on the decompiled code. [40 implementers]

src/org/jetbrains/java/decompiler/api/plugin/pass/Pass.java

KExprent (Interface)

Marker interface for Kotlin exprents. [9 implementers]

plugins/kotlin/src/main/java/org/vineflower/kotlin/expr/KExprent.java

g (Interface)

(no doc) [42 implementers]

testData/obfuscated/g.java

TestUnionTypeAssign (Interface)

(no doc) [8 implementers]

testData/src/java8/pkg/TestUnionTypeAssign.java

IFabricJavadocProvider (Interface)

Provides (optional) javadoc for Classes/Methods/Fields encountered by {@link org.jetbrains.java.decompiler.main.ClassWr

src/net/fabricmc/fernflower/api/IFabricJavadocProvider.java

VariableRenamingOptions (Interface)

(no doc)

plugins/variable-renaming/src/main/java/org/vineflower/variablerenaming/VariableRenamingOptions.java

IdeaNotNullOptions (Interface)

(no doc)

plugins/idea-not-null/src/main/java/org/vineflower/ideanotnull/IdeaNotNullOptions.java

IContextSource (Interface)

A specific type of context unit. Implementations do not need to cache the results of any provided methods. [5 implementers]

src/org/jetbrains/java/decompiler/main/extern/IContextSource.java

Core symbols most depended-on inside this repo

get

called by 1929

testData/src/java8/pkg/TestNestedLambdas.java

append

called by 1209

src/org/jetbrains/java/decompiler/util/TextUtil.java

size

called by 787

src/org/jetbrains/java/decompiler/code/cfg/BasicBlock.java

put

called by 596

src/org/jetbrains/java/decompiler/util/collections/SFormsFastMapDirect.java

isEmpty

called by 534

src/org/jetbrains/java/decompiler/code/InstructionSequence.java

add

called by 529

src/org/jetbrains/java/decompiler/modules/decompiler/decompose/DomTracer.java

append

called by 505

src/org/jetbrains/java/decompiler/util/TextBuffer.java

getExprents

called by 426

src/org/jetbrains/java/decompiler/modules/decompiler/stats/Statement.java

Shape

Method 5,675

Class 1,290

Interface 101

Enum 70

Function 11

Languages

Java95%

Kotlin5%

Modules by API surface

src/org/jetbrains/java/decompiler/modules/decompiler/stats/Statement.java86 symbols

src/org/jetbrains/java/decompiler/util/TextBuffer.java69 symbols

src/org/jetbrains/java/decompiler/modules/decompiler/exps/InvocationExprent.java68 symbols

test/org/jetbrains/java/decompiler/collections/FixedFastSetTest.java58 symbols

src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarDefinitionHelper.java54 symbols

src/org/jetbrains/java/decompiler/modules/decompiler/exps/VarExprent.java53 symbols

test/org/jetbrains/java/decompiler/ConverterHelperTest.java44 symbols

src/org/jetbrains/java/decompiler/main/ClassWriter.java44 symbols

src/org/jetbrains/java/decompiler/modules/decompiler/exps/NewExprent.java38 symbols

plugins/kotlin/src/main/java/org/vineflower/kotlin/KotlinWriter.java38 symbols

src/org/jetbrains/java/decompiler/modules/decompiler/exps/FunctionExprent.java37 symbols

src/org/jetbrains/java/decompiler/util/collections/FastSparseSetFactory.java36 symbols

Used by 1 indexed graphs manifest dependencies, hub-wide

github.com/quarkusio/quarkus

For agents

$ claude mcp add vineflower \
  -- python -m otcore.mcp_server <graph>

⬇ download graph artifact