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Merge branch 'master' into feature/variable-renaming
2 parents 5da3143 + f5e9d8f commit 35477ef

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‎META-INF/RASCAL.MF‎

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@@ -4,3 +4,4 @@ Project-Name: JimpleFramework
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Courses: courses
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Main-Module: Plugin
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Source: src/main/rascal,src/test/rascal
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Require-Libraries: |lib://rascal_eclipse|

‎README.md‎

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@@ -7,5 +7,20 @@ A Rascal implementation of the Jimple framework. The current version supports:
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* parsing Java Byte Code into a JIMPLE representation.
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* JIMPLE code optmization constructs.
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* a framework for dataflow analysis.
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### Requirements
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* Java ?
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* Maven
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* Rascal
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* Eclipse IDE
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* Lombok
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### Setting up your requirements
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1. Make sure Eclipse is running on Java ?. Also, you need to setup your PATH to use Java ? when using Maven.
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2. Install Lombok into Eclipse IDE. https://projectlombok.org/setup/eclipse
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### Installation Procedure
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‎pom.xml‎

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@@ -1,19 +1,89 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="src" path="src/main/java"/>
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<classpathentry kind="src" path="src/main/rascal"/>
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<classpathentry kind="src" path="src/test/java"/>
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<classpathentry kind="src" path="src/test/rascal"/>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
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<attributes>
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<attribute name="maven.pomderived" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
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<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
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<attributes>
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<attribute name="maven.pomderived" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="output" path="target/classes"/>
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</classpath>
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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>br.unb.cic</groupId>
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<artifactId>JimpleFramework</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<repositories>
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<repository>
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<id>usethesource</id>
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<name>your custom repo</name>
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<url>https://nexus.usethesource.io/content/repositories/public/</url>
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</repository>
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</repositories>
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<pluginRepositories>
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<pluginRepository>
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<id>usethesource</id>
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<url>https://nexus.usethesource.io/content/repositories/public/</url>
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</pluginRepository>
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</pluginRepositories>
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<dependencies>
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<dependency>
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<groupId>org.rascalmpl</groupId>
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<artifactId>rascal</artifactId>
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<version>0.18.0</version>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.13.1</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<version>1.18.12</version>
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<scope>provided</scope>
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</dependency>
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</dependencies>
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<build>
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<sourceDirectory>src/main/java</sourceDirectory>
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<testSourceDirectory>src/test/java</testSourceDirectory>
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<plugins>
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<plugin>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.7.0</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.rascalmpl</groupId>
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<artifactId>rascal-maven-plugin</artifactId>
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<version>0.3.4</version>
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<configuration>
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<bin>${project.build.outputDirectory}</bin>
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<errorsAsWarnings>true</errorsAsWarnings>
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<enableStandardLibrary>true</enableStandardLibrary>
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<srcs>
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<src>${project.basedir}/src/main/rascal</src>
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</srcs>
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<srcIgnores>
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<ignore>${project.basedir}/src/main/rascal/lang/jimple/toolkit/GraphUtil.rsc</ignore>
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<ignore>${project.basedir}/src/main/rascal/lang/jimple/toolkit/CallGraph.rsc</ignore>
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</srcIgnores>
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</configuration>
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<executions>
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<execution>
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<id>it-compile</id>
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<phase>compile</phase>
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<goals>
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<goal>compile</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>

‎src/main/java/lang/jimple/internal/BranchInstructionFlow.java‎

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package lang.jimple.internal;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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import lang.jimple.internal.generated.Expression;
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import lang.jimple.internal.generated.Statement;
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public class BranchInstructionFlow implements InstructionFlow {
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private Environment left;
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private Environment right;
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private Expression condition;
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private String targetStatement;
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private String mergeStatement;
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private BranchState status;
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private Statement gotoMergeStmt;
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enum BranchState {
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LEFT,
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RIGHT,
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ReadyToMerge
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}
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public BranchInstructionFlow(Expression condition, String target) {
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this.condition = condition;
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this.targetStatement = target;
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left = new Environment();
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right = new Environment();
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status = BranchState.LEFT;
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}
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@Override
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public Collection<Statement> merge() {
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List<Statement> res = new ArrayList<>();
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res.add(Statement.ifStmt(condition, targetStatement));
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res.addAll(left.instructions);
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if(gotoMergeStmt != null) {
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res.add(gotoMergeStmt);
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}
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res.add(Statement.label(targetStatement));
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res.addAll(right.instructions);
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if(mergeStatement != null) {
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res.add(Statement.label(mergeStatement));
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}
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return res;
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}
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@Override
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public boolean matchMergePoint(String label) {
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if(status.equals(BranchState.LEFT)) {
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return this.targetStatement.equals(label);
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}
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else if(status.equals(BranchState.RIGHT)) {
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return this.mergeStatement.equals(label);
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}
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return false;
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}
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@Override
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public List<Environment> environments() {
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List<Environment> res = new ArrayList<>();
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switch(status) {
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case LEFT: res.add(left); break;
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case RIGHT: res.add(right); break;
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case ReadyToMerge:
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if(mergeStatement != null) {
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res.add(left);
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res.add(right);
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}
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else {
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res.add(left);
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}
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}
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return res;
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}
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@Override
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public void notifyGotoStmt(Statement stmt, String label) {
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if(status.equals(BranchState.LEFT)) {
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mergeStatement = label;
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gotoMergeStmt = stmt;
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}
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else if(status.equals(BranchState.RIGHT)) {
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right.instructions.add(stmt);
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}
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else if(status.equals(BranchState.ReadyToMerge)) {
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left.instructions.add(stmt);
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right.instructions.add(stmt);
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}
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}
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@Override
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public void nextBranch() {
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switch(status) {
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case LEFT:
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if(mergeStatement != null) {
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status = BranchState.RIGHT;
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}
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else {
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left.instructions.add(Statement.label(targetStatement));
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status = BranchState.ReadyToMerge;
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}
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break;
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case RIGHT: status = BranchState.ReadyToMerge; break;
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case ReadyToMerge: //
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}
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}
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@Override
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public boolean isBranch() {
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return true;
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}
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@Override
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public boolean readyToMerge(String label) {
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return status.equals(BranchState.ReadyToMerge);
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}
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}

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