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Merge branch 'master' of github.com:LLVM-but-worse/jda
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‎compiling.md‎

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# Compiling
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# Compiling - JDA
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## maple-ir
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This project now depends on [Maple-IR](https://github.com/LLVM-but-worse/maple-ir). To install it:
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```
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git clone https://github.com/LLVM-but-worse/maple-ir
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cd maple-ir
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mvn clean compile test install
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```
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## Manual dependencies
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- [CFR](http://www.benf.org/other/cfr/)
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For example, the version of CFR might be 0.121, depending on `pom.xml`. Note that you will need to replace <version> with whatever version is specified in `pom.xml`.
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Optionally, you can use `-DlocalRepositoryPath=path-to-specific-local-repo` to specify a specific location to store the local repository.
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Then, `mvn compile package`.
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Then, `mvn clean compile test package`.
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Two jars are produced: one with dependencies, which should be used for running JDA standalone, and one without, used by plugins for linking against JDA.
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# MapleIR plugin
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To compile the MapleIR plugin, JDA must be installed to the local Maven repository first. Hence, in the root project (JDA) directory:
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```
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mvn install
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```
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Next, build MapleIR:
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```
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cd mapleir
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mvn clean compile test package
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```
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‎mapleir/.gitignore‎

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target/
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dependency-reduced-pom.xml

‎mapleir/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>org.mapleir</groupId>
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<artifactId>jdaplugin</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.5.1</version>
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<configuration>
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<source>1.8</source>
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<target>1.8</target>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-shade-plugin</artifactId>
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<version>2.4.3</version>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>shade</goal>
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</goals>
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<configuration>
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<artifactSet>
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<includes>
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<include>org.mapleir</include>
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</includes>
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</artifactSet>
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<transformers>
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<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
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<mainClass>org.mapleir.jdaplugin.MaplePlugin</mainClass>
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</transformer>
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</transformers>
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</configuration>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-jar-plugin</artifactId>
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<version>3.0.2</version>
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<configuration>
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<archive>
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<manifestEntries>
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<Built-By>maple-ir</Built-By>
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</manifestEntries>
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</archive>
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</configuration>
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</plugin>
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</plugins>
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<resources>
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<resource>
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<directory>${project.basedir}/src/main/resources</directory>
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</resource>
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</resources>
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</build>
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<dependencies>
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<dependency>
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<groupId>club.bytecode.the</groupId>
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<artifactId>jda</artifactId>
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<version>0.0.8</version>
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</dependency>
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<dependency>
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<groupId>org.mapleir</groupId>
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<artifactId>main</artifactId>
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<version>0.0.1-ALPHA</version>
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</dependency>
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</dependencies>
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</project>

‎mapleir/src/main/java/org/mapleir/jdaplugin/ILDecompiler.java‎

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package org.mapleir.jdaplugin;
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import club.bytecode.the.jda.FileContainer;
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import club.bytecode.the.jda.decompilers.JDADecompiler;
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import org.mapleir.ir.algorithms.BoissinotDestructor;
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import org.mapleir.ir.cfg.ControlFlowGraph;
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import org.mapleir.ir.printer.ClassPrinter;
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import org.mapleir.ir.printer.FieldNodePrinter;
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import org.mapleir.ir.printer.MethodNodePrinter;
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import org.mapleir.propertyframework.api.IPropertyDictionary;
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import org.mapleir.propertyframework.util.PropertyHelper;
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import org.mapleir.stdlib.util.TabbedStringWriter;
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import org.objectweb.asm.tree.ClassNode;
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import org.objectweb.asm.tree.MethodNode;
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public class ILDecompiler extends JDADecompiler {
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@Override
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public String decompileClassNode(FileContainer container, ClassNode cn) {
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TabbedStringWriter sw = new TabbedStringWriter();
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sw.setTabString(" ");
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IPropertyDictionary settings = PropertyHelper.createDictionary();
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final FieldNodePrinter fieldPrinter = new FieldNodePrinter(sw, settings);
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final MethodNodePrinter methodPrinter = new MethodNodePrinter(sw, settings) {
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@Override
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protected ControlFlowGraph getCfg(MethodNode mn) {
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ControlFlowGraph cfg = MaplePlugin.cxts.get(container).getIRCache().getFor(mn);
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BoissinotDestructor.leaveSSA(cfg);
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cfg.getLocals().realloc(cfg);
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return cfg;
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}
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};
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ClassPrinter cp = new ClassPrinter(sw, settings, fieldPrinter, methodPrinter);
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cp.print(cn);
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return sw.toString();
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}
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@Override
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public void decompileToZip(String zipName) {
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}
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@Override
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public String getName() {
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return "MapleIL";
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}
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}

‎mapleir/src/main/java/org/mapleir/jdaplugin/IRDecompiler.java‎

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package org.mapleir.jdaplugin;
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import club.bytecode.the.jda.decompilers.bytecode.*;
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import org.mapleir.ir.algorithms.BoissinotDestructor;
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import org.mapleir.ir.cfg.ControlFlowGraph;
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import org.mapleir.ir.cfg.builder.ControlFlowGraphBuilder;
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import org.objectweb.asm.tree.ClassNode;
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import org.objectweb.asm.tree.MethodNode;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Iterator;
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public class IRDecompiler extends BytecodeDecompiler {
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@Override
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protected MethodNodeDecompiler getMethodNodeDecompiler(PrefixedStringBuilder sb, ClassNode cn, Iterator<MethodNode> it) {
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return new IRMethodDecompiler(this, sb, it.next(), cn);
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}
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@Override
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public void decompileToZip(String zipName) {
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}
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@Override
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public String getName() {
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return "MapleIR";
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}
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}
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class IRMethodDecompiler extends MethodNodeDecompiler {
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public IRMethodDecompiler(BytecodeDecompiler parent, PrefixedStringBuilder sb, MethodNode mn, ClassNode cn) {
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super(parent, sb, mn, cn);
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}
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@Override
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protected InstructionPrinter getInstructionPrinter(MethodNode m, TypeAndName[] args) {
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return new IRInstructionPrinter(this, m, args);
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}
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}
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class IRInstructionPrinter extends InstructionPrinter {
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public IRInstructionPrinter(MethodNodeDecompiler parent, MethodNode m, TypeAndName[] args) {
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super(parent, m, args);
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}
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@Override
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public ArrayList<String> createPrint() {
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ControlFlowGraph cfg = ControlFlowGraphBuilder.build(mNode);
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BoissinotDestructor.leaveSSA(cfg);
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cfg.getLocals().realloc(cfg);
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String result = cfg.toString();
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return new ArrayList<>(Arrays.asList(result.split("\n")));
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}
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}

‎mapleir/src/main/java/org/mapleir/jdaplugin/MaplePlugin.java‎

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package org.mapleir.jdaplugin;
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import club.bytecode.the.jda.FileContainer;
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import club.bytecode.the.jda.api.JDAPlugin;
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import club.bytecode.the.jda.decompilers.Decompilers;
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import club.bytecode.the.jda.decompilers.JDADecompiler;
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import org.mapleir.DefaultInvocationResolver;
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import org.mapleir.app.client.SimpleApplicationContext;
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import org.mapleir.app.service.ApplicationClassSource;
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import org.mapleir.context.AnalysisContext;
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import org.mapleir.context.BasicAnalysisContext;
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import org.mapleir.context.IRCache;
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import org.mapleir.ir.cfg.builder.ControlFlowGraphBuilder;
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import sun.reflect.generics.reflectiveObjects.NotImplementedException;
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import java.util.HashMap;
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import java.util.Map;
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public class MaplePlugin implements JDAPlugin {
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public static final Map<FileContainer, AnalysisContext> cxts = new HashMap<>();
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public static final JDADecompiler MAPLEIR = new IRDecompiler();
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public static final JDADecompiler MAPLEIL = new ILDecompiler();
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public MaplePlugin() {
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}
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public static void main(String[] args) {
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throw new NotImplementedException();
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}
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@Override
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public String getName() {
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return "MapleIR";
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}
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@Override
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public void onLoad() {
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Decompilers.BY_NAME.put("MapleIR", MAPLEIR);
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Decompilers.BY_NAME.put("MapleIL", MAPLEIL);
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System.out.println("MapleIR plugin loaded");
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}
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@Override
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public void onUnload() {
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}
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@Override
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public void onGUILoad() {
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}
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@Override
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public void onExit() {
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}
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@Override
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public void onOpenFile(FileContainer fileContainer) {
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ApplicationClassSource app = new ApplicationClassSource(fileContainer.name, fileContainer.getClasses());
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AnalysisContext newCxt = new BasicAnalysisContext.BasicContextBuilder()
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.setApplication(app)
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.setInvocationResolver(new DefaultInvocationResolver(app))
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.setCache(new IRCache(ControlFlowGraphBuilder::build))
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.setApplicationContext(new SimpleApplicationContext(app))
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.build();
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cxts.put(fileContainer, newCxt);
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}
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@Override
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public void onCloseFile(FileContainer fc) {
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cxts.remove(fc);
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}
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}

‎mapleirInjector/src/org/mapleir/jdaplugin/MapleInjectedJDA.java‎

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package org.mapleir.jdaplugin;
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import club.bytecode.the.jda.JDA;
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/**
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* Quick dependency injector to hack the circular reference so I can debug this plugin in my IDE
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*/
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public class MapleInjectedJDA {
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public static void main(String[] args) {
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JDA.injectedPlugin = MaplePlugin::new;
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JDA.main(args);
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}
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}

‎pom.xml‎

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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>groupId</groupId>
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<groupId>club.bytecode.the</groupId>
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<artifactId>jda</artifactId>
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<version>0.0.8</version>
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<mainClass>club.bytecode.the.jda.JDA</mainClass>
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</transformer>
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</transformers>
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<shadedArtifactAttached>true</shadedArtifactAttached>
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<shadedClassifierName>with-deps</shadedClassifierName> <!-- custom name -->
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</configuration>
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</execution>
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</executions>
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<artifactId>procyon-compilertools</artifactId>
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<version>0.5.32</version>
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</dependency>
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<dependency>
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<groupId>org.mapleir</groupId>
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<artifactId>modasm</artifactId>
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<version>0.0.1-ALPHA</version>
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</dependency>
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</dependencies>
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</project>

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