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Author SHA1 Message Date
d33335a6d9 modified: ../../../main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
Bildung von newOderConstraints wieder rueckgaengig gemacht

	modified:   ../../resources/bytecode/javFiles/MatrixOP.jav
2019-02-14 09:38:26 +01:00
25b1d3e62d modified: ../../../main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
ArrayList durch LinkedList ersetzt
computeCartesianRecursiveOderConstraints auskommentiert
2019-02-14 08:53:32 +01:00
85a15cb256 modified: ../../../../main/java/de/dhbwstuttgart/typeinference/unify/PartialOrderSet.java
modified:   ../../../../main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
PartialOrderSet als LinkedList realisiert

	modified:   ../../bytecode/javFiles/Matrix.jav
2019-02-13 18:34:12 +01:00
0c03c2fbc8 Merge branch 'unify-test' of ssh://gohorb.ba-horb.de/bahome/projekt/git/JavaCompilerCore into unify-PartialOrderSet
Conflicts:
	src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnify2Task.java

	modified:   ../../../main/java/de/dhbwstuttgart/typeinference/unify/TypeUnify2Task.java
	modified:   ../../../main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
	modified:   ../../resources/bytecode/javFiles/Matrix.jav
	modified:   ../../resources/bytecode/javFiles/MatrixOP.jav
2019-02-11 14:41:28 +01:00
c8daa665f6 new file: src/main/java/de/dhbwstuttgart/typeinference/unify/PartialOrderSet.java
modified:   src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnify.java
	modified:   src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnify2Task.java
	modified:   src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
PartialOrderSet implemetiert und in TypeUnify, TypeUnify2Task, TypeUnifyTask eingepasst
2019-02-02 20:26:26 +01:00
256 changed files with 23806 additions and 30269 deletions
.gitignorePlugInBau.txtabgabeprotokoll.md
doc
logFiles
pom.xml
src
main
java
de
dhbwstuttgart
bytecode
core
environment
parser
sat
syntaxtree
typedeployment
typeinference
test
java
resources
vorgehen.md

6
.gitignore vendored

@ -23,9 +23,3 @@ bin
#
manually/
logFiles/**
!logFiles/.gitkeep
src/main/java/de/dhbwstuttgart/parser/antlr/
src/main/java/de/dhbwstuttgart/sat/asp/parser/antlr/

@ -1,22 +0,0 @@
Repositories: Branches: JavaCompilerCore: simplyRes
JavaCompilerPlugin: copy_libs
JavaCompilerCore > mvn install -Dskip.test=true
[INFO] Installing /Users/pl/workspace_oxygen/JavaCompilerCore/target/JavaTXcompiler-0.2.jar to /Users/pl/.m2/repository/de/dhbwstuttgart/JavaTXcompiler/0.2/JavaTXcompiler-0.2.jar
[INFO] Installing /Users/pl/workspace_oxygen/JavaCompilerCore/pom.xml to /Users/pl/.m2/repository/de/dhbwstuttgart/JavaTXcompiler/0.2/JavaTXcompiler-0.2.pom
[INFO] Installing /Users/pl/workspace_oxygen/JavaCompilerCore/target/JavaTXcompiler-0.2-jar-with-dependencies.jar to /Users/pl/.m2/repository/de/dhbwstuttgart/JavaTXcompiler/0.2/JavaTXcompiler-0.2-jar-with-dependencies.jar
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 23.279 s
[INFO] Finished at: 2019-09-17T09:31:30+02:00
[INFO] -------------------------------------
JavaCompilerCore > cd target
JavaCompilerCore/target > cp JavaTXcompiler-0.2.jar ../../Plugin_JCC/JavaCompilerPlugin/bundles/JavaCompilerPlugin.Plugin/lib/JavaTXcompiler.jar
Im Eclipse: Plugin_JCC/JavaCompilerPlugin> mvn install
Plugin_JCC/JavaCompilerPlugin/releng/JavaCompilerPlugin.Update/target > cp JavaCompilerPlugin.Update-0.1.0-SNAPSHOT.zip ~/webdav/public_html/javatx/javatx_XXXXXX.zip

@ -1,19 +0,0 @@
# JavaTXCompiler Klasse
* Konstruktor hat einen weiteren Parameter
* contextPath
* Arrays aus URLs (file-urls)
* Parameter ist Optional
* wird er gesetzt, so werden Classfiles aus den übergebenen Pfaden geladen
* die übergebenen Pfade müssen dabei die Source-Roots sein
* Beispiel:
`import de.test.Klasse;`
* `Klasse.class` liegt in `output/de/test/Klasse.class`
* dann muss contextpath auf `output` gesetzt werden
* wird der Parameter nicht übergeben, so wird der Sourceroot auf das Verzeichnis gesetzt, in dem der Compiler ausgeführt wird
* dies ist das Verhalten vom javac Compiler
* generateBytecode - Methode hat neuen Parameter: path
* wird hier null übergeben, so wird die class-File in den gleichen Ordner wie die übergebene .jav File geschrieben
* wird hier ein Pfad übergeben, so gilt dieser als output root.
* Klassen werden in outputRoot/package/name/KlassenName.class geschrieben

@ -1,25 +0,0 @@
\documentclass{article}
\begin{document}
\section{Generics sind notwendig}
Generics können nicht ignoriert werden.
Folgender Fall ist Typisierbar:
\begin{program}
<T> T m1(T x){
return m2(x);
}
m2(x){
m1(1);
m2("Test");
return m1(x);
}
\end{program}
Beim weglassen des Generics T wäre es aber nicht mehr möglich.
Dann erhält jeder Constraint, welcher in Verbindung mit der Methode m1 steht
den selben TPH.
\end{document}

File diff suppressed because one or more lines are too long

@ -1,29 +1,29 @@
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@ -1,220 +1,220 @@
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<text x="2346" y="529" style="fill:black; stroke:none;" xml:space="preserve">GreaterEquOp</text>
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<text x="3330" y="469" style="fill:black; stroke:none;" xml:space="preserve">MinusOp</text>
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<text x="2053" y="376" style="fill:black; stroke:none; font-weight:normal;" xml:space="preserve"> codegen(in ClassFile, in CodeAttribute, in Expr, in boolean, in Menge): void</text>
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30
pom.xml

@ -7,14 +7,14 @@ http://maven.apache.org/maven-v4_0_0.xsd">
<artifactId>JavaTXcompiler</artifactId>
<packaging>jar</packaging>
<version>0.2</version>
<version>0.1</version>
<name>JavaTXcompiler</name>
<url>http://maven.apache.org</url>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<version>4.0</version>
<scope>test</scope>
</dependency>
<dependency>
@ -55,14 +55,6 @@ http://maven.apache.org/maven-v4_0_0.xsd">
<finalName>${project.artifactId}-${project.version}</finalName>
<testOutputDirectory>target/test-classes</testOutputDirectory>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>3.0.0-M3</version>
<configuration>
<skipTests>true</skipTests>
</configuration>
</plugin>
<plugin>
<groupId>org.antlr</groupId>
<artifactId>antlr4-maven-plugin</artifactId>
@ -75,7 +67,7 @@ http://maven.apache.org/maven-v4_0_0.xsd">
</goals>
<configuration>
<sourceDirectory>src/main/antlr4/java8</sourceDirectory>
<outputDirectory>${project.basedir}/src/main/java/de/dhbwstuttgart/parser/antlr</outputDirectory>
<outputDirectory>${project.basedir}/target/generated-sources/antlr4/de/dhbwstuttgart/parser/antlr</outputDirectory>
<arguments>
<argument>-package</argument>
<argument>de.dhbwstuttgart.parser.antlr</argument>
@ -89,7 +81,7 @@ http://maven.apache.org/maven-v4_0_0.xsd">
</goals>
<configuration>
<sourceDirectory>src/main/antlr4/sat</sourceDirectory>
<outputDirectory>${project.basedir}/src/main/java/de/dhbwstuttgart/sat/asp/parser/antlr</outputDirectory>
<outputDirectory>${project.basedir}/target/generated-sources/antlr4/de/dhbwstuttgart/sat/asp/parser/antlr</outputDirectory>
<arguments>
<argument>-package</argument>
<argument>de.dhbwstuttgart.sat.asp.parser.antlr</argument>
@ -110,11 +102,6 @@ http://maven.apache.org/maven-v4_0_0.xsd">
</execution>
</executions>
<configuration>
<archive>
<manifest>
<mainClass>de.dhbwstuttgart.core.ConsoleInterface</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
@ -132,7 +119,7 @@ http://maven.apache.org/maven-v4_0_0.xsd">
<!-- specify your depencies here -->
<!-- groupId:artifactId:version -->
<artifact>
<id>de.dhbwstuttgart:JavaTXcompiler:0.2</id>
<id>de.dhbwstuttgart:JavaTXcompiler:0.1</id>
</artifact>
<artifact>
<id>org.reflections:reflections:0.9.11</id>
@ -151,6 +138,10 @@ http://maven.apache.org/maven-v4_0_0.xsd">
</execution>
</executions>
</plugin>
<!-- plugin> <groupId>org.eclipse.tycho</groupId> <artifactId>tycho-p2-repository-plugin</artifactId>
<version>${tycho.version}</version> <executions> <execution> <phase>package</phase>
<goals> <goal>archive-repository</goal> </goals> </execution> </executions>
</plugin -->
</plugins>
</build>
<pluginRepositories>
@ -169,7 +160,6 @@ http://maven.apache.org/maven-v4_0_0.xsd">
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
<tycho.version>0.23.0</tycho.version>
<mainClass>de.dhbwstuttgart.core.ConsoleInterface</mainClass>
</properties>
<distributionManagement>
<repository>
@ -179,3 +169,5 @@ http://maven.apache.org/maven-v4_0_0.xsd">
</repository>
</distributionManagement>
</project>

@ -61,7 +61,7 @@ public class ArgumentVisitor implements StatementVisitor {
assign.accept(bytecodeGenMethod);
if(argListMethCall.get(0))
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(assign.getType()));
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(assign.getType()));
argListMethCall.remove(0);
}
@ -70,9 +70,9 @@ public class ArgumentVisitor implements StatementVisitor {
binary.accept(bytecodeGenMethod);
if(argListMethCall.get(0)) {
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(binary.getType()));
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(binary.getType()));
} else {
bytecodeGenMethod.doBoxing(bytecodeGenMethod.getResolver().getResolvedType(binary.getType()));
bytecodeGenMethod.doBoxing(bytecodeGenMethod.getResolvedType(binary.getType()));
}
argListMethCall.remove(0);
}
@ -88,7 +88,7 @@ public class ArgumentVisitor implements StatementVisitor {
castExpr.accept(bytecodeGenMethod);
if(argListMethCall.get(0))
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(castExpr.getType()));
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(castExpr.getType()));
argListMethCall.remove(0);
}
@ -103,7 +103,7 @@ public class ArgumentVisitor implements StatementVisitor {
fieldVar.accept(bytecodeGenMethod);
if(argListMethCall.get(0))
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(fieldVar.getType()));
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(fieldVar.getType()));
argListMethCall.remove(0);
}
@ -124,7 +124,7 @@ public class ArgumentVisitor implements StatementVisitor {
instanceOf.accept(bytecodeGenMethod);
if(argListMethCall.get(0))
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(instanceOf.getType()));
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(instanceOf.getType()));
argListMethCall.remove(0);
}
@ -133,7 +133,7 @@ public class ArgumentVisitor implements StatementVisitor {
localVar.accept(bytecodeGenMethod);
if(!bytecodeGenMethod.isBinaryExp) {
if(argListMethCall.get(0))
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(localVar.getType()));
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(localVar.getType()));
}
argListMethCall.remove(0);
}
@ -149,7 +149,7 @@ public class ArgumentVisitor implements StatementVisitor {
methodCall.accept(bytecodeGenMethod);
if(argListMethCall.get(0))
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(methodCall.getType()));
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(methodCall.getType()));
argListMethCall.remove(0);
}
@ -158,7 +158,7 @@ public class ArgumentVisitor implements StatementVisitor {
methodCall.accept(bytecodeGenMethod);
if(argListMethCall.get(0))
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(methodCall.getType()));
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(methodCall.getType()));
argListMethCall.remove(0);
}
@ -197,7 +197,7 @@ public class ArgumentVisitor implements StatementVisitor {
aThis.accept(bytecodeGenMethod);
if(argListMethCall.get(0))
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(aThis.getType()));
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(aThis.getType()));
argListMethCall.remove(0);
}
@ -242,7 +242,7 @@ public class ArgumentVisitor implements StatementVisitor {
unaryExpr.accept(bytecodeGenMethod);
if(argListMethCall.get(0))
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(unaryExpr.getType()));
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(unaryExpr.getType()));
argListMethCall.remove(0);
}
@ -251,7 +251,7 @@ public class ArgumentVisitor implements StatementVisitor {
literal.accept(bytecodeGenMethod);
if(argListMethCall.get(0))
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolver().getResolvedType(literal.getType()));
bytecodeGenMethod.doUnboxing(bytecodeGenMethod.getResolvedType(literal.getType()));
argListMethCall.remove(0);
}

@ -1,372 +1,397 @@
package de.dhbwstuttgart.bytecode;
import java.io.File;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.NoSuchElementException;
import java.util.Optional;
import de.dhbwstuttgart.parser.scope.JavaClassName;
import de.dhbwstuttgart.exceptions.NotImplementedException;
import de.dhbwstuttgart.syntaxtree.statement.*;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.FieldVisitor;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.Type;
import de.dhbwstuttgart.bytecode.Exception.BytecodeGeneratorError;
import de.dhbwstuttgart.bytecode.constraint.ExtendsConstraint;
import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
import de.dhbwstuttgart.bytecode.constraint.TPHConstraint.Relation;
import de.dhbwstuttgart.bytecode.descriptor.DescriptorToString;
import de.dhbwstuttgart.bytecode.descriptor.TypeToDescriptor;
import de.dhbwstuttgart.bytecode.signature.Signature;
import de.dhbwstuttgart.bytecode.signature.TypeToSignature;
import de.dhbwstuttgart.bytecode.signature.TypeToString;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericGenratorResultForSourceFile;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericsGeneratorResult;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericsGeneratorResultForClass;
import de.dhbwstuttgart.bytecode.utilities.MethodUtility;
import de.dhbwstuttgart.bytecode.utilities.MethodAndTPH;
import de.dhbwstuttgart.bytecode.utilities.NormalConstructor;
import de.dhbwstuttgart.bytecode.utilities.NormalMethod;
import de.dhbwstuttgart.bytecode.utilities.Resolver;
import de.dhbwstuttgart.exceptions.NotImplementedException;
import de.dhbwstuttgart.bytecode.utilities.Simplify;
import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
import de.dhbwstuttgart.syntaxtree.ASTVisitor;
import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
import de.dhbwstuttgart.syntaxtree.Constructor;
import de.dhbwstuttgart.syntaxtree.Field;
import de.dhbwstuttgart.syntaxtree.FormalParameter;
import de.dhbwstuttgart.syntaxtree.GenericDeclarationList;
import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
import de.dhbwstuttgart.syntaxtree.Method;
import de.dhbwstuttgart.syntaxtree.ParameterList;
import de.dhbwstuttgart.syntaxtree.SourceFile;
import de.dhbwstuttgart.syntaxtree.statement.ArgumentList;
import de.dhbwstuttgart.syntaxtree.statement.Assign;
import de.dhbwstuttgart.syntaxtree.statement.AssignToField;
import de.dhbwstuttgart.syntaxtree.statement.BinaryExpr;
import de.dhbwstuttgart.syntaxtree.statement.Block;
import de.dhbwstuttgart.syntaxtree.statement.CastExpr;
import de.dhbwstuttgart.syntaxtree.statement.DoStmt;
import de.dhbwstuttgart.syntaxtree.statement.EmptyStmt;
import de.dhbwstuttgart.syntaxtree.statement.ExpressionReceiver;
import de.dhbwstuttgart.syntaxtree.statement.FieldVar;
import de.dhbwstuttgart.syntaxtree.statement.ForStmt;
import de.dhbwstuttgart.syntaxtree.statement.IfStmt;
import de.dhbwstuttgart.syntaxtree.statement.InstanceOf;
import de.dhbwstuttgart.syntaxtree.statement.LambdaExpression;
import de.dhbwstuttgart.syntaxtree.*;
import de.dhbwstuttgart.syntaxtree.statement.Literal;
import de.dhbwstuttgart.syntaxtree.statement.LocalVar;
import de.dhbwstuttgart.syntaxtree.statement.LocalVarDecl;
import de.dhbwstuttgart.syntaxtree.statement.MethodCall;
import de.dhbwstuttgart.syntaxtree.statement.NewArray;
import de.dhbwstuttgart.syntaxtree.statement.NewClass;
import de.dhbwstuttgart.syntaxtree.statement.Return;
import de.dhbwstuttgart.syntaxtree.statement.ReturnVoid;
import de.dhbwstuttgart.syntaxtree.statement.StaticClassName;
import de.dhbwstuttgart.syntaxtree.statement.Super;
import de.dhbwstuttgart.syntaxtree.statement.SuperCall;
import de.dhbwstuttgart.syntaxtree.statement.This;
import de.dhbwstuttgart.syntaxtree.statement.UnaryExpr;
import de.dhbwstuttgart.syntaxtree.statement.WhileStmt;
import de.dhbwstuttgart.syntaxtree.type.ExtendsWildcardType;
import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
import de.dhbwstuttgart.syntaxtree.type.RefType;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import de.dhbwstuttgart.syntaxtree.type.SuperWildcardType;
import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import de.dhbwstuttgart.typeinference.result.GenericInsertPair;
import de.dhbwstuttgart.typeinference.result.ResolvedType;
import de.dhbwstuttgart.typeinference.result.ResultPair;
import de.dhbwstuttgart.typeinference.result.ResultSet;
public class BytecodeGen implements ASTVisitor {
ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
ClassWriter cw =new ClassWriter(ClassWriter.COMPUTE_FRAMES|ClassWriter.COMPUTE_MAXS);
String type;
public static RefTypeOrTPHOrWildcardOrGeneric THISTYPE = null;
private JavaClassName className;
private String pkgName;
String className;
private boolean isInterface;
private Collection<ResultSet> listOfResultSets;
private List<ResultSet> listOfResultSets;
private ResultSet resultSet;
private SourceFile sf;
private File path;
private String path;
private Optional<Constructor> fieldInitializations;
private int indexOfFirstParam = 0;
private String superClass;
private List<String> tphsClass;
// stores parameter, local vars and the next index on the local variable table,
// which use for aload_i, astore_i,...
private ArrayList<TypePlaceholder> tphsClass;
// stores parameter, local vars and the next index on the local variable table, which use for aload_i, astore_i,...
HashMap<String, Integer> paramsAndLocals = new HashMap<>();
// stores generics and their bounds of class
HashMap<String, String> genericsAndBounds = new HashMap<>();
private int constructorPos = 0;
HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes = new HashMap<>();
private final TPHExtractor tphExtractor = new TPHExtractor();
private final ArrayList<GenericInsertPair> commonPairs = new ArrayList<>();
HashMap<String,RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes = new HashMap<>();
byte[] bytecode;
HashMap<JavaClassName, byte[]> classFiles;
private final ArrayList<String> methodNameAndParamsT = new ArrayList<>();
private final ArrayList<String> fieldNameAndParamsT = new ArrayList<>();
private final ArrayList<String> fieldNameSignature = new ArrayList<>();
private List<GenericGenratorResultForSourceFile> simplifyResultsForAllSourceFiles;
private GenericsGeneratorResultForClass generatedGenerics;
private Resolver resolver;
private final ClassLoader classLoader;
public BytecodeGen(HashMap<JavaClassName, byte[]> classFiles, Collection<ResultSet> listOfResultSets, List<GenericGenratorResultForSourceFile> simplifyResultsForAllSourceFiles, SourceFile sf,
File path, ClassLoader classLoader) {
HashMap<String,byte[]> classFiles;
ArrayList<String> methodNameAndParamsT = new ArrayList<>();
public BytecodeGen(HashMap<String,byte[]> classFiles, List<ResultSet> listOfResultSets,SourceFile sf ,String path) {
this.classFiles = classFiles;
this.listOfResultSets = listOfResultSets;
this.simplifyResultsForAllSourceFiles = simplifyResultsForAllSourceFiles;
this.sf = sf;
this.path = path;
this.pkgName = sf.getPkgName();
this.classLoader = classLoader;
}
@Override
public void visit(SourceFile sourceFile) {
for (ClassOrInterface cl : sourceFile.getClasses()) {
for(ClassOrInterface cl : sourceFile.getClasses()) {
System.out.println("in Class: " + cl.getClassName().toString());
BytecodeGen classGen = new BytecodeGen(classFiles, listOfResultSets, simplifyResultsForAllSourceFiles, sf, path, classLoader);
BytecodeGen classGen = new BytecodeGen(classFiles, listOfResultSets, sf, path);
cl.accept(classGen);
classGen.writeClass(cl.getClassName());
classGen.writeClass(cl.getClassName().toString());
}
}
/**
* Associates the bytecode of the class that was build with the classWriter
* {@link #cw} with the class name in the map {@link #classFiles}
* Associates the bytecode of the class that was build with the classWriter {@link #cw}
* with the class name in the map {@link #classFiles}
*
* @param name name of the class with which the bytecode is to be associated
* @param name name of the class with which the the bytecode is to be associated
*/
private void writeClass(JavaClassName name) {
private void writeClass(String name) {
bytecode = cw.toByteArray();
classFiles.put(name, bytecode);
}
public HashMap<JavaClassName, byte[]> getClassFiles() {
public HashMap<String,byte[]> getClassFiles() {
return classFiles;
}
@Override
public void visit(ClassOrInterface classOrInterface) {
className = classOrInterface.getClassName().toString();
cw.visitSource(className +".jav", null);
isInterface = (classOrInterface.getModifiers()&512)==512;
className = classOrInterface.getClassName();
cw.visitSource(className.getClassName() + ".jav", null);
isInterface = (classOrInterface.getModifiers() & 512) == 512;
int acc = isInterface ? classOrInterface.getModifiers() + Opcodes.ACC_ABSTRACT
: classOrInterface.getModifiers() + Opcodes.ACC_SUPER;
int acc = isInterface?classOrInterface.getModifiers()+Opcodes.ACC_ABSTRACT:classOrInterface.getModifiers()+Opcodes.ACC_SUPER;
fieldInitializations = classOrInterface.getfieldInitializations();
// resultSet = listOfResultSets.get(0);
boolean isConsWithNoParamsVisited = false;
boolean isVisited = false;
List<ResultSet> listOfResultSetsList = new ArrayList<>(listOfResultSets);
generatedGenerics = simplifyResultsForAllSourceFiles.stream().map(sr->sr.getSimplifyResultsByName(className)).findFirst().get();
for (int i = 0; i < listOfResultSetsList.size(); i++) {
//for (ResultSet rs : listOfResultSets) {
for(ResultSet rs : listOfResultSets) {
superClass = classOrInterface.getSuperClass().acceptTV(new TypeToDescriptor());
resultSet = listOfResultSetsList.get(i);
resolver = new Resolver(resultSet);
// tphExtractor.setResultSet(resultSet);
resultSet = rs;
tphExtractor.setResultSet(resultSet);
// Nur einmal ausführen!!
if (!isVisited) {
if(!isVisited) {
classOrInterface.accept(tphExtractor);
getCommonTPHS(tphExtractor);
tphsClass = new ArrayList<>();
for(TypePlaceholder t : tphExtractor.allTPHS.keySet()) {
if(!tphExtractor.allTPHS.get(t))
tphsClass.add(t);
}
ArrayList<TPHConstraint> consClass = new ArrayList<>();
for(TPHConstraint cons : tphExtractor.allCons) {
TypePlaceholder right = null;
for(TypePlaceholder tph : tphsClass) {
if(cons.getLeft().equals(tph.getName())) {
consClass.add(cons);
right = getTPH(cons.getRight());
}
}
if(right != null) {
tphsClass.add(right);
removeFromMethod(right.getName());
right = null;
}
}
String sig = null;
/*
* if class has generics then creates signature Signature looks like:
* <E:Ljava/...>Superclass
/* if class has generics then creates signature
* Signature looks like:
* <E:Ljava/...>Superclass
*/
if (classOrInterface.getGenerics().iterator().hasNext() || classOrInterface.getSuperClass().acceptTV(new TypeToSignature()).contains("<")
|| !generatedGenerics.getClassConstraints().isEmpty()) {
List<GenericsGeneratorResult> consClass = generatedGenerics.getClassConstraints();
//
Signature signature = new Signature(classOrInterface, genericsAndBounds, consClass);
sig = signature.createSignatureForClassOrInterface();
if(classOrInterface.getGenerics().iterator().hasNext() || !commonPairs.isEmpty() ||
classOrInterface.getSuperClass().acceptTV(new TypeToSignature()).contains("<")
|| !tphsClass.isEmpty()) {
Signature signature = new Signature(classOrInterface, genericsAndBounds,commonPairs,tphsClass, consClass);
sig = signature.toString();
System.out.println("Signature: => " + sig);
}
cw.visit(Opcodes.V1_8, acc, classOrInterface.getClassName().toString().replace(".", "/"), sig,
classOrInterface.getSuperClass().acceptTV(new TypeToDescriptor()), null);
cw.visit(Opcodes.V1_8, acc, classOrInterface.getClassName().toString()
, sig, classOrInterface.getSuperClass().acceptTV(new TypeToDescriptor()), null);
isVisited = true;
}
for (Field f : classOrInterface.getFieldDecl()) {
for(Field f : classOrInterface.getFieldDecl()) {
f.accept(this);
}
for (Constructor c : classOrInterface.getConstructors()) {
c.accept(this);
for(Constructor c : classOrInterface.getConstructors()) {
// if(!isConsWithNoParamsVisited) {
c.accept(this);
// }
// if(!c.getParameterList().iterator().hasNext())
// isConsWithNoParamsVisited = true;
}
for (Method m : classOrInterface.getMethods()) {
for(Method m : classOrInterface.getMethods()) {
m.accept(this);
}
}
}
private void removeFromMethod(String name) {
for(MethodAndTPH m : tphExtractor.ListOfMethodsAndTph) {
ArrayList<String> toRemove = new ArrayList<>();
for(String tph : m.getTphs()) {
if(tph.equals(name)) {
toRemove.add(tph);
}
}
if(!toRemove.isEmpty()) {
m.getTphs().removeAll(toRemove);
return;
}
}
}
private TypePlaceholder getTPH(String name) {
for(TypePlaceholder tph: tphExtractor.allTPHS.keySet()) {
if(tph.getName().equals(name))
return tph;
}
throw new NoSuchElementException("TPH "+name +" does not exist");
}
private void getCommonTPHS(TPHExtractor tphExtractor) {
// Gemeinsame TPHs
ArrayList<TypePlaceholder> cTPHs = new ArrayList<>();
// Alle TPHs der Felder speichern
for(TypePlaceholder tph : tphExtractor.allTPHS.keySet()) {
if(!tphExtractor.allTPHS.get(tph))
cTPHs.add(tph);
}
}
@Override
public void visit(Constructor field) {
System.out.println("ResultSet: ");
resultSet.results.forEach(a->{
System.out.println(a.getLeft().toString() + " = " + a.getRight().toString());
});
System.out.println("---------------");
// stores generics and their bounds of method
HashMap<String, String> genericsAndBoundsMethod = new HashMap<>();
field.getParameterList().accept(this);
String id = MethodUtility.createID(resolver, field);
if (methodNameAndParamsT.contains(id)) {
String methParamTypes = field.name+"%%";
Iterator<FormalParameter> itr = field.getParameterList().iterator();
while(itr.hasNext()) {
FormalParameter fp = itr.next();
methParamTypes += resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor())+";";
// methParamTypes += resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToSignature())+";";
}
if(methodNameAndParamsT.contains(methParamTypes)) {
System.out.println("ignore - Method: "+field.name +" , paramsType: "+methParamTypes);
return;
}
methodNameAndParamsT.add(id);
System.out.println("Constructor: " + field.name + " , paramsType: " + id);
methodNameAndParamsT.add(methParamTypes);
System.out.println("Method: "+field.name +" , paramsType: "+methParamTypes);
String desc = null;
boolean hasGen = false;
for (String paramName : methodParamsAndTypes.keySet()) {
for(String paramName : methodParamsAndTypes.keySet()) {
String typeOfParam = methodParamsAndTypes.get(paramName).acceptTV(new TypeToSignature());
System.out.println(typeOfParam);
if (genericsAndBounds.containsKey(typeOfParam) || typeOfParam.contains("$") || typeOfParam.contains("<")) {
if(genericsAndBounds.containsKey(typeOfParam) ||typeOfParam.contains("$")
|| typeOfParam.contains("<")) {
hasGen = true;
break;
}
}
String sig = null;
if (hasGen) {
List<GenericsGeneratorResult> constraints = generatedGenerics.getClassConstraints();
Signature signature = new Signature(genericsAndBounds,
methodParamsAndTypes, resultSet, constraints);
sig = signature.createSignatureForConstructor(field);
if(hasGen) {
HashMap<TPHConstraint, HashSet<String>> constraints = Simplify.simplifyConstraints(field.name, tphExtractor,tphsClass);
Signature signature = new Signature(field, genericsAndBounds,methodParamsAndTypes,resultSet,constraints);
sig = signature.toString();
}
if (field.getParameterList().iterator().hasNext())
if(field.getParameterList().iterator().hasNext())
System.out.println(field.getParameterList().iterator().next().getType().acceptTV(new TypeToDescriptor()));
NormalConstructor constructor = new NormalConstructor(field, genericsAndBounds, hasGen);
NormalConstructor constructor = new NormalConstructor(field,genericsAndBounds,hasGen);
desc = constructor.accept(new DescriptorToString(resultSet));
System.out.println("Constructor: " + field.getName() + " Sig: " + sig + " Desc: " + desc);
System.out.println("Constructor: " + field.getName() + " Sig: "+ sig + " Desc: " + desc);
MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", desc, sig, null);
mv.visitCode();
mv.visitCode();
Block block = fieldInitializations.get().block;
constructorPos += 1;
BytecodeGenMethod gen = new BytecodeGenMethod(className, superClass, resultSet, field, mv, paramsAndLocals, cw,
genericsAndBoundsMethod, genericsAndBounds, isInterface, classFiles, sf, path, block, constructorPos, classLoader);
if (!field.getParameterList().iterator().hasNext()
&& !(field.block.statements.get(field.block.statements.size() - 1) instanceof ReturnVoid)) {
BytecodeGenMethod gen = new BytecodeGenMethod(className,superClass,resultSet,field, mv,paramsAndLocals,cw,
genericsAndBoundsMethod,genericsAndBounds,isInterface,classFiles, sf,path, block, constructorPos);
if(!field.getParameterList().iterator().hasNext() && !(field.block.statements.get(field.block.statements.size()-1) instanceof ReturnVoid)) {
mv.visitInsn(Opcodes.RETURN);
}
mv.visitMaxs(0, 0);
mv.visitEnd();
}
@Override
public void visit(Method method) {
// TODO: check if the method is static => if static then the first param will be
// stored in pos 0
// TODO: check if the method is static => if static then the first param will be stored in pos 0
// else it will be stored in pos 1 and this will be stored in pos 0
String retType = resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToDescriptor());
String id = MethodUtility.createID(resolver, method);
// String retType = resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToSignature());
String methParamTypes = retType+method.name+"%%";
method.getParameterList().accept(this);
if (methodNameAndParamsT.contains(id)) {
Iterator<FormalParameter> itr = method.getParameterList().iterator();
while(itr.hasNext()) {
FormalParameter fp = itr.next();
methParamTypes += resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor())+";";
// methParamTypes += resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToSignature())+";";
}
if(methodNameAndParamsT.contains(methParamTypes)) {
return;
}
methodNameAndParamsT.add(id);
System.out.println("Method: " + method.name + " , paramsType: " + id);
methodNameAndParamsT.add(methParamTypes);
System.out.println("Method: "+method.name +" , paramsType: "+methParamTypes);
// stores generics and their bounds of method
HashMap<String, String> genericsAndBoundsMethod = new HashMap<>();
method.getParameterList().accept(this);
String methDesc = null;
// Method getModifiers() ?
int acc = isInterface ? Opcodes.ACC_ABSTRACT : method.modifier;
int acc = isInterface?Opcodes.ACC_ABSTRACT:method.modifier;
System.out.println(acc);
/* Prüfe, ob die Rückgabe-Type der Methode eine Type-Variable ist */
boolean hasGenInParameterList = genericsAndBounds.containsKey(retType) || retType.contains("TPH ")
|| resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToSignature())
.contains("<");
/*
* Wenn die Rückgabe-Type eine Typ-variable ist, erzeuge direkt die Signature,
* wenn nicht, prüfe, ob einer der Parameter Typ-Variable als Typ hat
*/
if (!hasGenInParameterList) {
for (String paramName : methodParamsAndTypes.keySet()) {
/*Prüfe, ob die Rückgabe-Type der Methode eine Type-Variable ist*/
boolean hasGenInParameterList = genericsAndBounds.containsKey(retType) || retType.subSequence(0, 4).equals("TPH ") ||
resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToSignature()).contains("<");
/*Wenn die Rückgabe-Type eine Typ-variable ist, erzeuge direkt die Signature, wenn nicht,
* prüfe, ob einer der Parameter Typ-Variable als Typ hat*/
if(!hasGenInParameterList) {
for(String paramName : methodParamsAndTypes.keySet()) {
String typeOfParam = methodParamsAndTypes.get(paramName).acceptTV(new TypeToDescriptor());
String sigOfParam = methodParamsAndTypes.get(paramName).acceptTV(new TypeToSignature());
if (genericsAndBounds.containsKey(typeOfParam) || typeOfParam.contains("TPH ")
|| sigOfParam.contains("<")) {
if(genericsAndBounds.containsKey(typeOfParam)||typeOfParam.substring(0, 4).equals("TPH ")||sigOfParam.contains("<")) {
hasGenInParameterList = true;
break;
}
}
}
// TODO: Test if the return-type or any of the parameter is a parameterized
// type. (VP)
// then create the descriptor with the new syntax.
//TODO: Test if the return-type or any of the parameter is a parameterized type. (VP)
//then create the descriptor with the new syntax.
String sig = null;
/*
* method.getGenerics: <....> RT method(..)
*/
/* method.getGenerics: <....> RT method(..)
* */
boolean hasGen = method.getGenerics().iterator().hasNext() || hasGenInParameterList;
/* if method has generics or return type is TPH, create signature */
// zwite operand muss weggelassen werden
if (hasGen || resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToString())
.equals("TPH")) {
List<GenericsGeneratorResult> constraints = generatedGenerics.getMethodConstraintsByID(id);
List<GenericsGeneratorResult> classConstraints = generatedGenerics.getClassConstraints();
Signature signature = new Signature(genericsAndBoundsMethod, genericsAndBounds,
methodParamsAndTypes, resultSet, constraints,classConstraints);
sig = signature.createSignatureForMethod(method);
if(hasGen||resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToString()).equals("TPH")) {
System.out.println("ALL CONST: " + tphExtractor.allCons.size());
tphExtractor.allCons.forEach(c->System.out.println(c.toString()));
System.out.println("----------------");
HashMap<TPHConstraint, HashSet<String>> constraints = Simplify.simplifyConstraints(method.name, tphExtractor, tphsClass);
// ArrayList<GenericInsertPair> pairs = simplifyPairs(method.name,tphExtractor.allPairs,tphExtractor.allCons);
Signature signature = new Signature(method, genericsAndBoundsMethod, genericsAndBounds,methodParamsAndTypes,resultSet,constraints);
sig = signature.toString();
}
System.out.println(method.getName() + " ==> " + sig);
NormalMethod meth = new NormalMethod(method, genericsAndBounds, genericsAndBoundsMethod, hasGen);
System.out.println(method.getName()+" ==> "+sig);
NormalMethod meth = new NormalMethod(method,genericsAndBounds,genericsAndBoundsMethod,hasGen);
methDesc = meth.accept(new DescriptorToString(resultSet));
// System.out.println(methDesc);
MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC+acc, method.getName(), methDesc, sig, null);
MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC + acc, method.getName(), methDesc, sig, null);
mv.visitCode();
BytecodeGenMethod gen = new BytecodeGenMethod(className, superClass, resultSet, method, mv, paramsAndLocals, cw,
genericsAndBoundsMethod, genericsAndBounds, isInterface, classFiles, sf, path, classLoader);
mv.visitCode();
BytecodeGenMethod gen = new BytecodeGenMethod(className,superClass,resultSet,method, mv,paramsAndLocals,cw,
genericsAndBoundsMethod,genericsAndBounds,isInterface,classFiles, sf,path);
mv.visitMaxs(0, 0);
mv.visitEnd();
}
@Override
public void visit(ParameterList formalParameters) {
paramsAndLocals = new HashMap<>();
methodParamsAndTypes = new HashMap<>();
Iterator<FormalParameter> itr = formalParameters.iterator();
int i = 1;
while (itr.hasNext()) {
while(itr.hasNext()) {
FormalParameter fp = itr.next();
paramsAndLocals.put(fp.getName(), i);
methodParamsAndTypes.put(fp.getName(), resultSet.resolveType(fp.getType()).resolvedType);
@ -374,39 +399,39 @@ public class BytecodeGen implements ASTVisitor {
i++;
}
}
@Override
public void visit(FormalParameter formalParameter) {
formalParameter.getType().accept(this);
}
@Override
public void visit(RefType refType) {
type = "L" + refType.toString() + ";";
type = "L"+refType.toString()+";";
}
@Override
public void visit(SuperWildcardType superWildcardType) {
// TODO Auto-generated method stub
}
@Override
public void visit(TypePlaceholder typePlaceholder) {
// TODO Auto-generated method stub
}
@Override
public void visit(ExtendsWildcardType extendsWildcardType) {
// TODO Auto-generated method stub
}
@Override
public void visit(GenericRefType genericRefType) {
// TODO Auto-generated method stub
}
// ??
@ -414,51 +439,41 @@ public class BytecodeGen implements ASTVisitor {
public void visit(FieldVar fieldVar) {
System.out.println("In FieldVar ---");
// cw.newField(fieldVar.receiver.toString(), fieldVar.fieldVarName.toString(), fieldVar.getType().toString());
FieldVisitor fv = cw.visitField(Opcodes.ACC_PRIVATE, fieldVar.fieldVarName, "L" + fieldVar.getType() + ";",
null, null);
FieldVisitor fv = cw.visitField(Opcodes.ACC_PRIVATE, fieldVar.fieldVarName, "L"+fieldVar.getType()+";", null, null);
fv.visitEnd();
}
@Override
public void visit(Field field) {
System.out.println("In Field ---");
String des = "L";
if (resultSet.resolveType(field.getType()).resolvedType instanceof TypePlaceholder) {
if(resultSet.resolveType(field.getType()).resolvedType instanceof TypePlaceholder) {
des += Type.getInternalName(Object.class);
} else {
des += resultSet.resolveType(field.getType()).resolvedType.acceptTV(new TypeToDescriptor());
}
des += ";";
des +=";";
System.out.println(des);
String sig = resultSet.resolveType(field.getType()).resolvedType.acceptTV(new TypeToSignature(generatedGenerics.getClassConstraints()));
String sig = resultSet.resolveType(field.getType()).resolvedType.acceptTV(new TypeToSignature());
System.out.println(sig);
if (sig.charAt(sig.length() - 1) != (";").charAt(0)) {
sig += ";";
if(sig.charAt(sig.length()-1) != (";").charAt(0)) {
sig +=";";
}
String nameAndDesc = field.getName() + "%%" + des;
String nameAndSig = field.getName() + "%%" + sig;
if (fieldNameAndParamsT.contains(nameAndDesc)) {
if (fieldNameSignature.contains(nameAndSig)) {
return;
}
throw new BytecodeGeneratorError("Bytecode generation aborted due to duplicate field name&signature");
}
fieldNameAndParamsT.add(nameAndDesc);
fieldNameSignature.add(nameAndSig);
cw.visitField(field.modifier, field.getName(), des, sig, null);
cw.visitField(field.modifier, field.getName(),
des, sig,
null);
}
@Override
public void visit(LambdaExpression lambdaExpression) {
// TODO Auto-generated method stub
}
@Override
public void visit(Assign assign) {
// TODO Auto-generated method stub
}
@Override
@ -469,151 +484,151 @@ public class BytecodeGen implements ASTVisitor {
@Override
public void visit(Block block) {
// TODO Auto-generated method stub
}
@Override
public void visit(CastExpr castExpr) {
// TODO Auto-generated method stub
}
@Override
public void visit(EmptyStmt emptyStmt) {
// TODO Auto-generated method stub
}
@Override
public void visit(ForStmt forStmt) {
// TODO Auto-generated method stub
}
@Override
public void visit(IfStmt ifStmt) {
// TODO Auto-generated method stub
}
@Override
public void visit(InstanceOf instanceOf) {
// TODO Auto-generated method stub
}
@Override
public void visit(LocalVar localVar) {
// TODO Auto-generated method stub
}
@Override
public void visit(LocalVarDecl localVarDecl) {
// TODO Auto-generated method stub
}
@Override
public void visit(MethodCall methodCall) {
// TODO Auto-generated method stub
}
@Override
public void visit(NewClass methodCall) {
// TODO Auto-generated method stub
}
@Override
public void visit(NewArray newArray) {
// TODO Auto-generated method stub
}
@Override
public void visit(Return aReturn) {
// TODO Auto-generated method stub
}
@Override
public void visit(ReturnVoid aReturn) {
// TODO Auto-generated method stub
}
@Override
public void visit(StaticClassName staticClassName) {
// TODO Auto-generated method stub
}
@Override
public void visit(Super aSuper) {
// TODO Auto-generated method stub
}
@Override
public void visit(This aThis) {
// TODO Auto-generated method stub
}
@Override
public void visit(WhileStmt whileStmt) {
// TODO Auto-generated method stub
}
@Override
public void visit(DoStmt whileStmt) {
// TODO Auto-generated method stub
}
// ???
@Override
public void visit(Literal literal) {
// TODO Auto-generated method stub
}
@Override
public void visit(ArgumentList argumentList) {
// TODO Auto-generated method stub
}
@Override
public void visit(GenericTypeVar genericTypeVar) {
// TODO Auto-generated method stub
}
@Override
public void visit(GenericDeclarationList genericTypeVars) {
// TODO Auto-generated method stub
}
@Override
public void visit(AssignToField assignLeftSide) {
// TODO Auto-generated method stub
}
@Override
public void visit(AssignToLocal assignLeftSide) {
// TODO Auto-generated method stub
}
@Override
public void visit(SuperCall superCall) {
}
@Override
@ -626,5 +641,6 @@ public class BytecodeGen implements ASTVisitor {
public void visit(UnaryExpr unaryExpr) {
throw new NotImplementedException();
}
}

File diff suppressed because it is too large Load Diff

@ -1,19 +0,0 @@
/**
*
*/
package de.dhbwstuttgart.bytecode.Exception;
/**
* @author fayez
*
*/
public class BytecodeGeneratorError extends RuntimeException {
/**
* @param message
*/
public BytecodeGeneratorError(String message) {
super(message);
}
}

@ -1,25 +0,0 @@
/**
*
*/
package de.dhbwstuttgart.bytecode.Exception;
/**
* @author fayez
*
*/
public class NotFoundException extends Exception {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* @param message
*/
public NotFoundException(String message) {
super(message);
}
}

@ -1,26 +0,0 @@
/**
*
*/
package de.dhbwstuttgart.bytecode.Exception;
/**
* @author fayez
*
*/
public class NotInCurrentPackageException extends Exception {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* @param message
*/
public NotInCurrentPackageException(String message) {
super(message);
}
}

@ -5,219 +5,74 @@ package de.dhbwstuttgart.bytecode;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import de.dhbwstuttgart.bytecode.constraint.ExtendsConstraint;
import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
import de.dhbwstuttgart.bytecode.constraint.TPHConstraint.Relation;
import de.dhbwstuttgart.bytecode.utilities.MethodAndTPH;
import de.dhbwstuttgart.bytecode.utilities.MethodUtility;
import de.dhbwstuttgart.bytecode.utilities.Resolver;
import de.dhbwstuttgart.syntaxtree.AbstractASTWalker;
import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
import de.dhbwstuttgart.syntaxtree.Constructor;
import de.dhbwstuttgart.syntaxtree.Field;
import de.dhbwstuttgart.syntaxtree.FormalParameter;
import de.dhbwstuttgart.syntaxtree.Method;
import de.dhbwstuttgart.syntaxtree.ParameterList;
import de.dhbwstuttgart.syntaxtree.statement.LocalVar;
import de.dhbwstuttgart.syntaxtree.statement.LocalVarDecl;
import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
import de.dhbwstuttgart.syntaxtree.type.RefType;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import de.dhbwstuttgart.typeinference.result.GenericInsertPair;
import de.dhbwstuttgart.typeinference.result.ResultPair;
import de.dhbwstuttgart.typeinference.result.ResultSet;
/**
* @author Fayez Abu Alia
*
*/
public class TPHExtractor extends AbstractASTWalker {
public class TPHExtractor extends AbstractASTWalker{
// Alle TPHs der Felder werden iKopf der Klasse definiert
// alle TPHs der Klasse: (TPH, is in Method?)
public final HashMap<String, Boolean> allTPHS = new HashMap<>();
public final List<String> tphsClass = new ArrayList<>();
final HashMap<TypePlaceholder,Boolean> allTPHS = new HashMap<>();
MethodAndTPH methodAndTph;
Boolean inMethod = false;
boolean inLocalOrParamOrReturn = false;
public final ArrayList<MethodAndTPH> ListOfMethodsAndTph = new ArrayList<>();
final ArrayList<ResultPair<TypePlaceholder, TypePlaceholder>> allPairs = new ArrayList<>();
final ArrayList<GenericInsertPair> allPairs = new ArrayList<>();
public final ArrayList<TPHConstraint> allCons = new ArrayList<>();
private ResultSet resultSet;
private Resolver resolver;
public TPHExtractor() {
}
public void setResultSet(ResultSet resultSet) {
this.resultSet = resultSet;
this.resolver = new Resolver(resultSet);
}
public Resolver getResolver() {
return resolver;
}
// @Override
// public void visit(ClassOrInterface classOrInterface) {
// inMethod = false;
// classOrInterface.getfieldInitializations().ifPresent(c->c.block.accept(this));
// super.visit(classOrInterface);
// inMethod = true;
// }
@Override
public void visit(TypePlaceholder tph) {
if (resultSet.resolveType(tph).resolvedType instanceof TypePlaceholder) {
if(resultSet.resolveType(tph).resolvedType instanceof TypePlaceholder) {
TypePlaceholder resolvedTPH = (TypePlaceholder) resultSet.resolveType(tph).resolvedType;
if (inMethod) {
if(inMethod)
methodAndTph.getTphs().add(resolvedTPH.getName());
if (inLocalOrParamOrReturn)
methodAndTph.getLocalTphs().add(resolvedTPH.getName());
}else {
tphsClass.add(resolvedTPH.getName());
}
allTPHS.put(resolvedTPH.getName(), inMethod);
// final List<TPHConstraint> cons = new ArrayList<>();
// resultSet.resolveType(tph).additionalGenerics.forEach(ag -> {
// TPHConstraint con = new ExtendsConstraint(ag.TA1.getName(), ag.TA2.getName(), Relation.EXTENDS);
// cons.add(con);
// });
//
// Map<TPHConstraint, Boolean> visitMap = new HashMap<>();
// for(TPHConstraint cc : cons) {
// visitMap.put(cc, false);
// }
//
// String left = resolvedTPH.getName();
// for (TPHConstraint cc : visitMap.keySet()) {
//
// if(visitMap.get(cc))
// continue;
//
// if (cc.getLeft().equals(left)) {
// allCons.add(cc);
// List<TPHConstraint> toVisit = getToVisitCons(cons,cc.getRight(), visitMap);
// }
// }
//resultSet.resolveType(tph).getAdditionalGenerics().forEach(ag -> {
resultSet.genIns.forEach(ag -> {
// if (ag.contains(resolvedTPH) /* && ag.TA1.equals(resolvedTPH) */ && !contains(allPairs, ag)) {
if (inMethod)
allTPHS.put(resolvedTPH,inMethod);
resultSet.resolveType(tph).additionalGenerics.forEach(ag ->{
if(ag.contains(resolvedTPH)&&ag.TA1.equals(resolvedTPH)&&!contains(allPairs,ag)) {
if(inMethod)
methodAndTph.getPairs().add(ag);
allPairs.add(ag);
TPHConstraint con = new ExtendsConstraint(ag.getLeft().getName(), ag.getRight().getName());
if(!containsConstraint(allCons,con))
allCons.add(con);
// }
TPHConstraint con = new ExtendsConstraint(ag.TA1.getName(), ag.TA2.getName(), Relation.EXTENDS);
allCons.add(con);
}
});
} else if (resultSet.resolveType(tph).resolvedType instanceof RefType) {
RefType rt = (RefType) resultSet.resolveType(tph).resolvedType;
rt.accept(this);
}
}
private static boolean containsConstraint(ArrayList<TPHConstraint> allCons, TPHConstraint c) {
for(TPHConstraint con:allCons) {
if(c.getLeft().equals(con.getLeft()) && c.getRight().equals(con.getRight())) {
return true;
}
}
return false;
}
private List<TPHConstraint> getToVisitCons(List<TPHConstraint> cons, String right, Map<TPHConstraint, Boolean> visitMap) {
List<TPHConstraint> res = new ArrayList<>();
for(TPHConstraint cc : cons) {
if(cc.getLeft().equals(right)) {
res.add(cc);
if(visitMap.get(cc))
visitMap.replace(cc, false);
}
}
return res;
}
@Override
public void visit(GenericRefType genericRefType) {
String name = genericRefType.getParsedName();
if (inMethod) {
methodAndTph.getTphs().add(name);
if (inLocalOrParamOrReturn)
methodAndTph.getLocalTphs().add(name);
}else {
tphsClass.add(name);
}
allTPHS.put(name, inMethod);
}
private boolean contains(ArrayList<GenericInsertPair> pairs, GenericInsertPair genPair) {
for (int i = 0; i < pairs.size(); ++i) {
for(int i=0; i<pairs.size();++i) {
GenericInsertPair p = pairs.get(i);
if (p.TA1.equals(genPair.TA1) && p.TA2.equals(genPair.TA2))
if(p.TA1.equals(genPair.TA1) && p.TA2.equals(genPair.TA2))
return true;
}
return false;
}
@Override
public void visit(Method method) {
inMethod = true;
String id = MethodUtility.createID(resolver,method);
methodAndTph = new MethodAndTPH(id);
inLocalOrParamOrReturn = true;
method.getReturnType().accept(this);
method.getParameterList().accept(this);
inLocalOrParamOrReturn = false;
if(method.block != null)
method.block.accept(this);
methodAndTph = new MethodAndTPH(method.name);
super.visit(method);
inMethod = false;
ListOfMethodsAndTph.add(methodAndTph);
}
@Override
public void visit(Constructor cons) {
inMethod = false;
//super.visit(cons);
cons.getParameterList().accept(this);
if(cons.block != null)
cons.block.accept(this);
inMethod = true;
}
@Override
public void visit(LocalVarDecl localVarDecl) {
// inLocalOrParamOrReturn = inMethod;
super.visit(localVarDecl);
// inLocalOrParamOrReturn = false;
}
@Override
public void visit(LocalVar localVar) {
// inLocalOrParamOrReturn = inMethod;
super.visit(localVar);
// inLocalOrParamOrReturn = false;
}
@Override
public void visit(ParameterList formalParameters) {
inLocalOrParamOrReturn = inMethod;
super.visit(formalParameters);
inLocalOrParamOrReturn = false;
}
}

@ -2,8 +2,8 @@ package de.dhbwstuttgart.bytecode.constraint;
public class EqualConstraint extends TPHConstraint {
public EqualConstraint(String left, String right) {
super(left, right, Relation.EQUAL);
public EqualConstraint(String left, String right, Relation rel) {
super(left, right, rel);
}
}

@ -2,8 +2,8 @@ package de.dhbwstuttgart.bytecode.constraint;
public class ExtendsConstraint extends TPHConstraint {
public ExtendsConstraint(String left, String right) {
super(left, right, Relation.EXTENDS);
public ExtendsConstraint(String left, String right, Relation rel) {
super(left, right, rel);
}
}

@ -44,10 +44,6 @@ public class TPHConstraint {
return left.equals(tph)||right.equals(tph);
}
public boolean equalConstraint(TPHConstraint constraint) {
return rel == constraint.getRel() && left.equals(constraint.getLeft()) && right.equals(constraint.getRight());
}
@Override
public String toString() {
if(rel == Relation.EXTENDS) {

@ -1,29 +1,30 @@
package de.dhbwstuttgart.bytecode.descriptor;
import java.util.HashMap;
import java.util.Iterator;
import de.dhbwstuttgart.bytecode.utilities.*;
import de.dhbwstuttgart.syntaxtree.statement.ArgumentList;
import org.objectweb.asm.Type;
import de.dhbwstuttgart.bytecode.signature.TypeToSignature;
import de.dhbwstuttgart.bytecode.utilities.Lambda;
import de.dhbwstuttgart.bytecode.utilities.MethodFromMethodCall;
import de.dhbwstuttgart.bytecode.utilities.NormalConstructor;
import de.dhbwstuttgart.bytecode.utilities.NormalMethod;
import de.dhbwstuttgart.bytecode.utilities.SamMethod;
import de.dhbwstuttgart.syntaxtree.FormalParameter;
import de.dhbwstuttgart.syntaxtree.statement.Expression;
import de.dhbwstuttgart.syntaxtree.type.RefType;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import de.dhbwstuttgart.typeinference.result.ResultSet;
public class DescriptorToString implements DescriptorVisitor, CONSTANTS {
public class DescriptorToString implements DescriptorVisitor{
ResultSet resultSet;
public DescriptorToString() {
}
public DescriptorToString(ResultSet resultSet) {
this.resultSet = resultSet;
}
private String addReturnType(String desc, RefTypeOrTPHOrWildcardOrGeneric returnType, ResultSet resultSet) {
if(resultSet.resolveType(returnType).resolvedType.toString().equals(CONSTANTS.VOID)){
if(resultSet.resolveType(returnType).resolvedType.toString().equals("void")){
desc = desc + ")V";
}else {
desc = desc + ")" + "L"+resultSet.resolveType(returnType).resolvedType.acceptTV(new TypeToDescriptor())+ ";";
@ -43,41 +44,30 @@ public class DescriptorToString implements DescriptorVisitor, CONSTANTS {
if(method.hasGen()) {
String fpDesc = fp.getType().acceptTV(new TypeToDescriptor());
if(method.getGenericsAndBoundsMethod().containsKey(fpDesc)) {
String bound = getBound(fpDesc, method.getGenericsAndBoundsMethod());
desc += "L"+bound+ ";";
desc += "L"+method.getGenericsAndBoundsMethod().get(fpDesc)+ ";";
}else if(method.getGenericsAndBounds().containsKey(fpDesc)){
String bound = getBound(fpDesc, method.getGenericsAndBounds());
desc += "L"+bound+ ";";
desc += "L"+method.getGenericsAndBounds().get(fpDesc)+ ";";
}else {
// desc += "L"+resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor())+ ";";
String resType = resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor());
if(resType.contains(CONSTANTS.TPH)/*resType.subSequence(0, 4).equals("TPH ")*/) {
if(resType.subSequence(0, 4).equals("TPH ")) {
// Bound ist immer Object
desc += "L"+Type.getInternalName(Object.class)+ ";";
} else {
// TODO::
if(method.getGenericsAndBounds().containsKey(resType)) {
String bound = getBound(resType, method.getGenericsAndBounds());
desc += "L"+bound+ ";";
}else if(method.getGenericsAndBoundsMethod().containsKey(resType)) {
String bound = getBound(resType, method.getGenericsAndBoundsMethod());
desc += "L"+bound+ ";";
} else {
desc += "L"+resType+ ";";
}
desc += "L"+resType+ ";";
}
}
}
//TODO: generate a class java%% ... %%
else if(resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor()).contains(CONSTANTS.ANGLEBRACKET)){
desc += "L"+resultSet.resolveType(fp.getType()).resolvedType.toString().replace(".", "$$").replace(CONSTANTS.ANGLEBRACKET, "$$$").replace(">", "$$$")+ ";";
else if(resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor()).contains("<")){
desc += "L"+resultSet.resolveType(fp.getType()).resolvedType.toString().replace(".", "$$").replace("<", "$$$").replace(">", "$$$")+ ";";
}
else {
desc += "L"+resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor())+ ";";
}
}
if(resultSet.resolveType(method.getReturnType()).resolvedType.toString().equals(CONSTANTS.VOID)) {
if(resultSet.resolveType(method.getReturnType()).resolvedType.toString().equals("void")) {
desc += ")V";
}else {
if(method.hasGen()) {
@ -88,21 +78,11 @@ public class DescriptorToString implements DescriptorVisitor, CONSTANTS {
desc += ")L"+method.getGenericsAndBounds().get(ret)+ ";";
}else {
String resType = resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToDescriptor());
if(resType.contains(CONSTANTS.TPH)/*resType.subSequence(0, 4).equals("TPH ")*/) {
if(resType.subSequence(0, 4).equals("TPH ")) {
// desc += ")" + "L"+method.getGenericsAndBoundsMethod().get(resType.substring(4)+"$")+ ";";
desc += ")" + "L"+Type.getInternalName(Object.class)+ ";";
} else {
// TODO::
if(method.getGenericsAndBounds().containsKey(resType)) {
String bound = getBound(resType, method.getGenericsAndBounds());
desc += ")L"+bound+ ";";
}else if(method.getGenericsAndBoundsMethod().containsKey(resType)) {
String bound = getBound(resType, method.getGenericsAndBoundsMethod());
desc += ")L"+bound+ ";";
} else {
desc += ")L"+resType+ ";";
}
// desc += ")" + "L"+resType+ ";";
desc += ")" + "L"+resType+ ";";
}
}
}else {
@ -113,15 +93,6 @@ public class DescriptorToString implements DescriptorVisitor, CONSTANTS {
return desc;
}
private String getBound(String fpDesc, HashMap<String, String> genericsAndBounds) {
String start = genericsAndBounds.get(fpDesc);
while(genericsAndBounds.containsKey(start)) {
start = genericsAndBounds.get(start);
}
return start;
}
@Override
public String visit(NormalConstructor constructor) {
String desc = "(";
@ -137,7 +108,7 @@ public class DescriptorToString implements DescriptorVisitor, CONSTANTS {
}else {
// desc += "L"+resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor())+ ";";
String resType = resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor());
if(resType.subSequence(0, 4).equals(CONSTANTS.TPH)) {
if(resType.subSequence(0, 4).equals("TPH ")) {
// Bound ist immer Object
desc += "L"+Type.getInternalName(Object.class)+ ";";
} else {
@ -160,7 +131,7 @@ public class DescriptorToString implements DescriptorVisitor, CONSTANTS {
while(itr.hasNext()) {
FormalParameter fp = itr.next();
String d = resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor());
if(d.contains(CONSTANTS.TPH) ||d.contains(CONSTANTS.ANGLEBRACKET)) {
if(d.substring(0, 4).equals("TPH ") ||d.contains("<")) {
desc += "L"+Type.getInternalName(Object.class)+ ";";
}else {
desc = desc + "L"+ d + ";";
@ -169,7 +140,7 @@ public class DescriptorToString implements DescriptorVisitor, CONSTANTS {
String retType = resultSet.resolveType(lambdaExpression.getReturnType()).resolvedType.acceptTV(new TypeToDescriptor());
if(retType.contains(CONSTANTS.TPH)|| retType.contains(CONSTANTS.ANGLEBRACKET)){
if(retType.substring(0, 4).equals("TPH ")|| retType.contains("<")){
desc += ")L"+Type.getInternalName(Object.class)+ ";";
}else {
desc = desc + ")"+"L"+retType+";";
@ -185,7 +156,7 @@ public class DescriptorToString implements DescriptorVisitor, CONSTANTS {
RefTypeOrTPHOrWildcardOrGeneric rt = itr.next();
String d = resultSet.resolveType(rt).resolvedType.acceptTV(new TypeToDescriptor());
if(d.contains(CONSTANTS.TPH) ||d.contains(CONSTANTS.ANGLEBRACKET)) {
if(d.substring(0, 4).equals("TPH ") ||d.contains("<")) {
desc += "L"+Type.getInternalName(Object.class)+ ";";
}else {
desc += "L"+ d + ";";
@ -194,7 +165,7 @@ public class DescriptorToString implements DescriptorVisitor, CONSTANTS {
}
String retType = resultSet.resolveType(samMethod.getReturnType()).resolvedType.acceptTV(new TypeToDescriptor());
if(retType.contains(CONSTANTS.TPH)|| retType.contains(CONSTANTS.ANGLEBRACKET)){
if(retType.substring(0, 4).equals("TPH ")|| retType.contains("<")){
desc += ")L"+Type.getInternalName(Object.class)+ ";";
}else {
desc = desc + ")"+"L"+retType+";";
@ -208,7 +179,7 @@ public class DescriptorToString implements DescriptorVisitor, CONSTANTS {
for(Expression e : methodFromMethodCall.getArgList().getArguments()) {
String d = resultSet.resolveType(e.getType()).resolvedType.acceptTV(new TypeToDescriptor());
if(d.contains(CONSTANTS.TPH) ||d.contains(CONSTANTS.ANGLEBRACKET) || methodFromMethodCall.getReceiverName().contains("$$")) {
if(d.substring(0, 4).equals("TPH ") ||d.contains("<") || methodFromMethodCall.getReceiverName().contains("$$")) {
desc += "L"+Type.getInternalName(Object.class)+ ";";
}else {
if(methodFromMethodCall.getGenericsAndBoundsMethod().containsKey(d)) {
@ -223,9 +194,9 @@ public class DescriptorToString implements DescriptorVisitor, CONSTANTS {
}
String retType = resultSet.resolveType(methodFromMethodCall.getReturnType()).resolvedType.acceptTV(new TypeToDescriptor());
System.out.println("DescriptorToString retType = " + retType);
if(retType.equals(CONSTANTS.VOID)) {
if(retType.equals("void")) {
desc += ")V";
}else if(retType.contains(CONSTANTS.TPH)|| retType.contains(CONSTANTS.ANGLEBRACKET) || methodFromMethodCall.getReceiverName().contains("$$")){
}else if(retType.substring(0, 4).equals("TPH ")|| retType.contains("<") || methodFromMethodCall.getReceiverName().contains("$$")){
desc += ")L"+Type.getInternalName(Object.class)+ ";";
}else {
if(methodFromMethodCall.getGenericsAndBoundsMethod().containsKey(retType)) {
@ -239,21 +210,5 @@ public class DescriptorToString implements DescriptorVisitor, CONSTANTS {
// desc = addReturnType(desc, methodFromMethodCall.getReturnType(), resultSet);
return desc;
}
@Override
public String createDescForFunN(ArgumentList argumentList, String returnType) {
Iterator<Expression> itr1 = argumentList.getArguments().iterator();
String methDesc = "(";
while(itr1.hasNext()) {
methDesc += "L" + Type.getInternalName(Object.class) + ";";
itr1.next();
}
if (returnType.equals(CONSTANTS.VOID)){
methDesc += ")V";
} else {
methDesc += ")L" + Type.getInternalName(Object.class) + ";";
}
return methDesc;
}
}

@ -5,13 +5,11 @@ import de.dhbwstuttgart.bytecode.utilities.MethodFromMethodCall;
import de.dhbwstuttgart.bytecode.utilities.NormalConstructor;
import de.dhbwstuttgart.bytecode.utilities.NormalMethod;
import de.dhbwstuttgart.bytecode.utilities.SamMethod;
import de.dhbwstuttgart.syntaxtree.statement.ArgumentList;
public interface DescriptorVisitor {
String visit(NormalMethod method);
String visit(NormalConstructor constructor);
String visit(Lambda lambdaExpression);
String visit(SamMethod samMethod);
String visit(MethodFromMethodCall methodFromMethodCall);
String createDescForFunN(ArgumentList argumentList, String returnType);
public String visit(NormalMethod method);
public String visit(NormalConstructor constructor);
public String visit(Lambda lambdaExpression);
public String visit(SamMethod samMethod);
public String visit(MethodFromMethodCall methodFromMethodCall);
}

@ -20,8 +20,7 @@ public class TypeToDescriptor implements TypeVisitor<String>{
@Override
public String visit(SuperWildcardType superWildcardType) {
System.out.println("\nWILDCARD ="+superWildcardType.getInnerType().toString().replace(".", "/"));
//return superWildcardType.getInnerType().toString().replace(".", "/");
return superWildcardType.getInnerType().acceptTV(new TypeToDescriptor());
return superWildcardType.getInnerType().toString().replace(".", "/");
//throw new NotImplementedException();
}
@ -33,8 +32,7 @@ public class TypeToDescriptor implements TypeVisitor<String>{
@Override
public String visit(ExtendsWildcardType extendsWildcardType) {
System.out.println("\nWILDCARD extends ="+extendsWildcardType.getInnerType().toString().replace(".", "/"));
//return extendsWildcardType.getInnerType().toString().replace(".", "/");
return extendsWildcardType.getInnerType().acceptTV(new TypeToDescriptor());
return extendsWildcardType.getInnerType().toString().replace(".", "/");
//throw new NotImplementedException();
}

@ -1,53 +0,0 @@
/**
*
*/
package de.dhbwstuttgart.bytecode.genericsGenerator;
import java.util.List;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.NameReplacementResult;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericsGeneratorResult;
/**
* This class represents the result of the constraints simplifier.
*
* @author fayez
*
*/
public class ConstraintsSimplierResult {
private List<GenericsGeneratorResult> genericsGenResults;
private List<NameReplacementResult> nameReplacementResults;
/**
* @param genericsGenResults
*/
public ConstraintsSimplierResult(List<GenericsGeneratorResult> genericsGenResults,
List<NameReplacementResult> nameReplacementResults) {
this.genericsGenResults = genericsGenResults;
this.setNameReplacementResults(nameReplacementResults);
}
/**
* @return the genericsGenResults
*/
public List<GenericsGeneratorResult> getGenericsGenResults() {
return genericsGenResults;
}
/**
* @param genericsGenResults the genericsGenResults to set
*/
public void setGenericsGenResults(List<GenericsGeneratorResult> genericsGenResults) {
this.genericsGenResults = genericsGenResults;
}
/**
* @return the nameReplacementResults
*/
public List<NameReplacementResult> getNameReplacementResults() {
return nameReplacementResults;
}
/**
* @param nameReplacementResults the nameReplacementResults to set
*/
public void setNameReplacementResults(List<NameReplacementResult> nameReplacementResults) {
this.nameReplacementResults = nameReplacementResults;
}
}

@ -1,137 +0,0 @@
/**
*
*/
package de.dhbwstuttgart.bytecode.genericsGenerator;
import java.util.*;
import de.dhbwstuttgart.bytecode.TPHExtractor;
import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.*;
/**
* @author fayez
*
*/
public class ConstraintsSimplifier {
public static ConstraintsSimplierResult simplifyConstraints(final TPHExtractor tphExtractor, final List<GenericsGeneratorResult> genericsGeneratorResults, final List<String> tphsClass) {
List<TPHConstraint> allCons = tphExtractor.allCons;
List<TPHConstraint> equalCons = new ArrayList<>();
/* Step 1 */
List<ConstraintsWithSameLeftSide> foundCons = GenericsGeneratorUtility.findConstraintsWithLeftSameLeftSide(allCons);
if(!foundCons.isEmpty()) {
List<TPHConstraint> equalCons2 = new ArrayList<>();
GenericsGeneratorUtility.simplifyConstraintsWithSameLeftSide(foundCons,tphExtractor,tphsClass,equalCons2);
equalCons.addAll(equalCons2);
}
// if(!simpleCycles.isEmpty()) {
// handleSimpleCycles(allCons, simpleCycles,tphExtractor);
// equalCons.addAll(GenericsGeneratorUtility.getEqualConstraints(allCons));
// }
//
List<Cycle> cycles = findCycles(allCons);
if(!cycles.isEmpty()) {
handleCycle(genericsGeneratorResults, allCons, cycles,tphExtractor);
}
/* The right hand side of equal constraint is the new name in name replacement result */
List<NameReplacementResult> nameReplacementResults = GenericsGeneratorUtility.createNameReplacementResultsFromEqualConstraints(equalCons);
getEqualsFromNameReplacementResults(genericsGeneratorResults,nameReplacementResults);
ConstraintsSimplierResult result = new ConstraintsSimplierResult(genericsGeneratorResults, nameReplacementResults);
return result;
}
private static void getEqualsFromNameReplacementResults(List<GenericsGeneratorResult> genericsGeneratorResults,
List<NameReplacementResult> nameReplacementResults) {
genericsGeneratorResults.forEach(g->{
String tph = g.getConstraint().getLeft();
if (!nameReplacementResults.isEmpty()) {
collectAllEquals(nameReplacementResults, g, tph);
}
if (!nameReplacementResults.isEmpty()) {
collectAllEquals(nameReplacementResults, g);
}
});
}
private static void collectAllEquals(List<NameReplacementResult> nameReplacementResults, GenericsGeneratorResult g) {
Set<String> equalsTPHs = g.getEqualsTPHs();
Set<String> tphsToAdd = getAllEqualTphs(equalsTPHs, nameReplacementResults);
while (!tphsToAdd.isEmpty()){
equalsTPHs.addAll(tphsToAdd);
tphsToAdd = getAllEqualTphs(equalsTPHs, nameReplacementResults);
}
}
private static Set<String> getAllEqualTphs(Set<String> equalsTPHs, List<NameReplacementResult> nameReplacementResults) {
Set<String> tphsToAdd = new HashSet<>();
equalsTPHs.forEach(e->{
collectAllEquals(nameReplacementResults, tphsToAdd,e);
});
return tphsToAdd;
}
public static void collectAllEquals(List<NameReplacementResult> nameReplacementResults, Set<String> tphsToAdd,
String tph) {
List<NameReplacementResult> toRemoveList = new ArrayList<>();
Optional<NameReplacementResult> nameReplacementResult = nameReplacementResults.stream().filter(n->n.getName().equals(tph)).findFirst();
nameReplacementResult.ifPresent(toRemove->{
tphsToAdd.addAll(toRemove.getOldNames());
toRemoveList.add(toRemove);
});
if(!toRemoveList.isEmpty()){
nameReplacementResults.remove(toRemoveList.get(0));
toRemoveList.clear();
}
}
/**
* @param nameReplacementResults
* @param g
* @param tph
*/
public static void collectAllEquals(List<NameReplacementResult> nameReplacementResults, GenericsGeneratorResult g,
String tph) {
List<NameReplacementResult> toRemoveList = new ArrayList<>();
Optional<NameReplacementResult> nameReplacementResult = nameReplacementResults.stream().filter(n->n.getName().equals(tph)).findFirst();
nameReplacementResult.ifPresent(toRemove->{
g.getEqualsTPHs().addAll(toRemove.getOldNames());
toRemoveList.add(toRemove);
});
if(!toRemoveList.isEmpty()){
nameReplacementResults.remove(toRemoveList.get(0));
toRemoveList.clear();
}
}
/**
* @param genericsGeneratorResults
* @param allCons
* @param cycles
* @param tphExtractor
*/
public static void handleCycle(List<GenericsGeneratorResult> genericsGeneratorResults,
List<TPHConstraint> allCons, List<Cycle> cycles, TPHExtractor tphExtractor) {
GenericsGeneratorUtility.modifyRelationForConstraintsInCycle(cycles);
List<NameReplacementResult> nameReplacementResults = GenericsGeneratorUtility.substituteTPHSFormCycle(allCons, cycles,tphExtractor);
GenericsGeneratorUtility.createResults(genericsGeneratorResults,nameReplacementResults);
GenericsGeneratorUtility.removeEqualConstraints(allCons);
}
/**
* @param allCons
* @return
*/
public static List<Cycle> findCycles(List<TPHConstraint> allCons) {
/* find all cycles */
CyclesFinder cyclesFinder = new CyclesFinder(allCons);
List<Cycle> cycles = cyclesFinder.findCycles();
return cycles;
}
}

@ -1,106 +0,0 @@
/**
*
*/
package de.dhbwstuttgart.bytecode.genericsGenerator;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.Optional;
import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
import de.dhbwstuttgart.bytecode.constraint.TPHConstraint.Relation;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.Cycle;
/**
* @author fayez
*
*/
public class CyclesFinder {
private final List<TPHConstraint> allCons;
public CyclesFinder(List<TPHConstraint> allCons) {
this.allCons = allCons;
}
public List<Cycle> findCycles() {
List<TPHConstraint> vistedConstraints = new ArrayList<>(allCons.size());
List<Cycle> cycles = new ArrayList<>();
for (TPHConstraint constraint : allCons) {
if(constraint.getRel()==Relation.EQUAL)
continue;
if (!vistedConstraints.contains(constraint)) {
vistedConstraints.add(constraint);
checkConstraint(constraint, vistedConstraints, cycles);
}
}
return cycles;
}
private void checkConstraint(TPHConstraint constraint, List<TPHConstraint> vistedConstraints,
List<Cycle> cycles) {
List<String> tphsInRelation = new LinkedList<>();
List<TPHConstraint> maybeCycle = new ArrayList<>();
maybeCycle.add(constraint);
tphsInRelation.add(constraint.getLeft());
tphsInRelation.add(constraint.getRight());
Optional<TPHConstraint> nextConstraint = getConstraintInRelation(tphsInRelation, maybeCycle);
while (nextConstraint.isPresent()) {
if(containsInLongCycle(nextConstraint.get(), cycles)) {
break;
}
if (isCycle(tphsInRelation)) {
addAllToVisitedConstraints(vistedConstraints, maybeCycle);
Cycle cycle = new Cycle(maybeCycle);
cycles.add(cycle);
return;
}
nextConstraint = getConstraintInRelation(tphsInRelation, maybeCycle);
}
// addAllToVisitedConstraints(vistedConstraints, maybeCycle);
}
private boolean containsInLongCycle(TPHConstraint c, List<Cycle> cycles) {
for(Cycle cycle : cycles) {
if(cycle.containConstraint(c))
return true;
}
return false;
}
private void addAllToVisitedConstraints(List<TPHConstraint> vistedConstraints, List<TPHConstraint> maybeCycle) {
for (TPHConstraint con : maybeCycle) {
if (!vistedConstraints.contains(con))
vistedConstraints.add(con);
}
}
private Optional<TPHConstraint> getConstraintInRelation(List<String> tphsInRelation,
List<TPHConstraint> maybeCycle) {
TPHConstraint constraint = getConstraintByLeftSide(tphsInRelation.get(tphsInRelation.size()-1),maybeCycle);
Optional<TPHConstraint> nextConstraint = Optional.ofNullable(constraint);
if(nextConstraint.isPresent()) {
maybeCycle.add(constraint);
tphsInRelation.add(constraint.getRight());
}
return nextConstraint;
}
private TPHConstraint getConstraintByLeftSide(String left, List<TPHConstraint> maybeCycle) {
for(TPHConstraint constraint : allCons) {
if(constraint.getRel()==Relation.EQUAL)
continue;
if(maybeCycle.contains(constraint))
continue;
if(constraint.getLeft().equals(left))
return constraint;
}
return null;
}
private boolean isCycle(List<String> tphsInRelation) {
return tphsInRelation.get(0).equals(tphsInRelation.get(tphsInRelation.size() - 1));
}
}

@ -1,675 +0,0 @@
/**
*
*/
package de.dhbwstuttgart.bytecode.genericsGenerator;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Optional;
import de.dhbwstuttgart.bytecode.TPHExtractor;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericGenratorResultForSourceFile;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericsGeneratorResultForClass;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.MethodAndConstraints;
import de.dhbwstuttgart.bytecode.utilities.MethodAndTPH;
import de.dhbwstuttgart.bytecode.utilities.MethodUtility;
import de.dhbwstuttgart.bytecode.utilities.Resolver;
import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
import de.dhbwstuttgart.parser.scope.JavaClassName;
import de.dhbwstuttgart.syntaxtree.ASTVisitor;
import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
import de.dhbwstuttgart.syntaxtree.Constructor;
import de.dhbwstuttgart.syntaxtree.Field;
import de.dhbwstuttgart.syntaxtree.FormalParameter;
import de.dhbwstuttgart.syntaxtree.GenericDeclarationList;
import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
import de.dhbwstuttgart.syntaxtree.Method;
import de.dhbwstuttgart.syntaxtree.ParameterList;
import de.dhbwstuttgart.syntaxtree.SourceFile;
import de.dhbwstuttgart.syntaxtree.statement.ArgumentList;
import de.dhbwstuttgart.syntaxtree.statement.Assign;
import de.dhbwstuttgart.syntaxtree.statement.AssignToField;
import de.dhbwstuttgart.syntaxtree.statement.BinaryExpr;
import de.dhbwstuttgart.syntaxtree.statement.Block;
import de.dhbwstuttgart.syntaxtree.statement.CastExpr;
import de.dhbwstuttgart.syntaxtree.statement.DoStmt;
import de.dhbwstuttgart.syntaxtree.statement.EmptyStmt;
import de.dhbwstuttgart.syntaxtree.statement.ExpressionReceiver;
import de.dhbwstuttgart.syntaxtree.statement.FieldVar;
import de.dhbwstuttgart.syntaxtree.statement.ForStmt;
import de.dhbwstuttgart.syntaxtree.statement.IfStmt;
import de.dhbwstuttgart.syntaxtree.statement.InstanceOf;
import de.dhbwstuttgart.syntaxtree.statement.LambdaExpression;
import de.dhbwstuttgart.syntaxtree.statement.Literal;
import de.dhbwstuttgart.syntaxtree.statement.LocalVar;
import de.dhbwstuttgart.syntaxtree.statement.LocalVarDecl;
import de.dhbwstuttgart.syntaxtree.statement.MethodCall;
import de.dhbwstuttgart.syntaxtree.statement.NewArray;
import de.dhbwstuttgart.syntaxtree.statement.NewClass;
import de.dhbwstuttgart.syntaxtree.statement.Return;
import de.dhbwstuttgart.syntaxtree.statement.ReturnVoid;
import de.dhbwstuttgart.syntaxtree.statement.StaticClassName;
import de.dhbwstuttgart.syntaxtree.statement.Super;
import de.dhbwstuttgart.syntaxtree.statement.SuperCall;
import de.dhbwstuttgart.syntaxtree.statement.This;
import de.dhbwstuttgart.syntaxtree.statement.UnaryExpr;
import de.dhbwstuttgart.syntaxtree.statement.WhileStmt;
import de.dhbwstuttgart.syntaxtree.type.ExtendsWildcardType;
import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
import de.dhbwstuttgart.syntaxtree.type.RefType;
import de.dhbwstuttgart.syntaxtree.type.SuperWildcardType;
import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import de.dhbwstuttgart.typeinference.result.ResultSet;
/**
* @author fayez
*
*/
public class GeneratedGenericsFinder implements ASTVisitor {
private final TPHExtractor tphExtractor = new TPHExtractor();
private Collection<ResultSet> listOfResultSets;
private SourceFile sf;
private List<String> tphsClass;
private GenericGenratorResultForSourceFile generatedGenericsForSF;
private ResultSet resultSet;
private final List<String> methodNameAndParamsT = new ArrayList<>();
private String pkgName;
private JavaClassName className;
private Resolver resolver;
/**
* @param sf
* @param listOfResultSets
*/
public GeneratedGenericsFinder(SourceFile sf, Collection<ResultSet> listOfResultSets) {
this.sf = sf;
this.listOfResultSets = listOfResultSets;
}
public GenericGenratorResultForSourceFile findGeneratedGenerics() {
sf.accept(this);
return generatedGenericsForSF;
}
/*
* (non-Javadoc)
*
* @see
* de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.
* SourceFile)
*/
@Override
public void visit(SourceFile sourceFile) {
pkgName = sf.getPkgName();
generatedGenericsForSF = new GenericGenratorResultForSourceFile(pkgName);
for (ClassOrInterface cl : sourceFile.getClasses()) {
cl.accept(this);
}
}
/*
* (non-Javadoc)
*
* @see
* de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.
* ClassOrInterface)
*/
@Override
public void visit(ClassOrInterface classOrInterface) {
className = classOrInterface.getClassName();
List<ResultSet> listOfResultSetsList = new ArrayList<>(listOfResultSets);
boolean isVisited = false;
ConstraintsSimplierResult simplifiedConstraints = null;
GenericsGeneratorResultForClass ggResult = null;
for (int i = 0; i < listOfResultSetsList.size(); i++) {
resultSet = listOfResultSetsList.get(i);
tphExtractor.setResultSet(resultSet);
resolver = new Resolver(resultSet);
classOrInterface.accept(tphExtractor);
tphsClass = tphExtractor.tphsClass;
simplifiedConstraints = GenericsGenerator.simplifyConstraints(tphExtractor, tphsClass);
if(!isVisited) {
ggResult = GenericsGenerator.generateConstraints(className, tphExtractor, tphsClass,simplifiedConstraints);
isVisited = true;
}
for(Method m : classOrInterface.getMethods()) {
addMethodConstraints(simplifiedConstraints, ggResult, m);
}
if(ggResult != null)
generatedGenericsForSF.addGenericGeneratorResultClass(ggResult);
}
}
/**
* @param simplifiedConstraints
* @param ggResult
* @param m
*/
public void addMethodConstraints(ConstraintsSimplierResult simplifiedConstraints,
GenericsGeneratorResultForClass ggResult, Method m) {
String id = MethodUtility.createID(resolver, m);
boolean isInGGResult = (ggResult != null) && ggResult.contains(id);
if(methodNameAndParamsT.contains(id) || isInGGResult)
return;
methodNameAndParamsT.add(id);
Optional<MethodAndTPH> methodAndTPH = GenericsGeneratorUtility.getMethodAndTphs(tphExtractor.ListOfMethodsAndTph,id);
methodAndTPH.ifPresent(mt->{
MethodAndConstraints methodConstraints = GenericsGenerator.generateConstraintsForMethod(tphExtractor.allCons, mt , simplifiedConstraints, tphsClass);
ggResult.getMethodsAndTheirConstraints().getMethodsAndConstraints().add(methodConstraints);
});
}
/*
* (non-Javadoc)
*
* @see
* de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.
* Method)
*/
@Override
public void visit(Method method) {
}
/*
* (non-Javadoc)
*
* @see
* de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.
* ParameterList)
*/
@Override
public void visit(ParameterList formalParameters) {
}
/*
* (non-Javadoc)
*
* @see
* de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.
* Constructor)
*/
@Override
public void visit(Constructor field) {
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.ArgumentList)
*/
@Override
public void visit(ArgumentList argumentList) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.LambdaExpression)
*/
@Override
public void visit(LambdaExpression lambdaExpression) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.Assign)
*/
@Override
public void visit(Assign assign) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.BinaryExpr)
*/
@Override
public void visit(BinaryExpr binary) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.Block)
*/
@Override
public void visit(Block block) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.CastExpr)
*/
@Override
public void visit(CastExpr castExpr) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.EmptyStmt)
*/
@Override
public void visit(EmptyStmt emptyStmt) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.FieldVar)
*/
@Override
public void visit(FieldVar fieldVar) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.ForStmt)
*/
@Override
public void visit(ForStmt forStmt) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.IfStmt)
*/
@Override
public void visit(IfStmt ifStmt) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.InstanceOf)
*/
@Override
public void visit(InstanceOf instanceOf) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.LocalVar)
*/
@Override
public void visit(LocalVar localVar) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.LocalVarDecl)
*/
@Override
public void visit(LocalVarDecl localVarDecl) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.MethodCall)
*/
@Override
public void visit(MethodCall methodCall) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.NewClass)
*/
@Override
public void visit(NewClass methodCall) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.NewArray)
*/
@Override
public void visit(NewArray newArray) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.Return)
*/
@Override
public void visit(Return aReturn) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.ReturnVoid)
*/
@Override
public void visit(ReturnVoid aReturn) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.StaticClassName)
*/
@Override
public void visit(StaticClassName staticClassName) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.Super)
*/
@Override
public void visit(Super aSuper) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.This)
*/
@Override
public void visit(This aThis) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.WhileStmt)
*/
@Override
public void visit(WhileStmt whileStmt) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.DoStmt)
*/
@Override
public void visit(DoStmt whileStmt) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.AssignToField)
*/
@Override
public void visit(AssignToField assignLeftSide) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see
* de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.parser.
* SyntaxTreeGenerator.AssignToLocal)
*/
@Override
public void visit(AssignToLocal assignLeftSide) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.SuperCall)
*/
@Override
public void visit(SuperCall superCall) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.ExpressionReceiver)
*/
@Override
public void visit(ExpressionReceiver expressionReceiver) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.UnaryExpr)
*/
@Override
public void visit(UnaryExpr unaryExpr) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see de.dhbwstuttgart.syntaxtree.StatementVisitor#visit(de.dhbwstuttgart.
* syntaxtree.statement.Literal)
*/
@Override
public void visit(Literal literal) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see
* de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.
* GenericTypeVar)
*/
@Override
public void visit(GenericTypeVar genericTypeVar) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see
* de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.
* FormalParameter)
*/
@Override
public void visit(FormalParameter formalParameter) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see
* de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.
* GenericDeclarationList)
*/
@Override
public void visit(GenericDeclarationList genericTypeVars) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see
* de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.
* Field)
*/
@Override
public void visit(Field field) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see
* de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.type
* .RefType)
*/
@Override
public void visit(RefType refType) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see
* de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.type
* .SuperWildcardType)
*/
@Override
public void visit(SuperWildcardType superWildcardType) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see
* de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.type
* .TypePlaceholder)
*/
@Override
public void visit(TypePlaceholder typePlaceholder) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see
* de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.type
* .ExtendsWildcardType)
*/
@Override
public void visit(ExtendsWildcardType extendsWildcardType) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see
* de.dhbwstuttgart.syntaxtree.ASTVisitor#visit(de.dhbwstuttgart.syntaxtree.type
* .GenericRefType)
*/
@Override
public void visit(GenericRefType genericRefType) {
// TODO Auto-generated method stub
}
}

@ -1,256 +0,0 @@
/**
*
*/
package de.dhbwstuttgart.bytecode.genericsGenerator;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.*;
import de.dhbwstuttgart.parser.scope.JavaClassName;
import org.objectweb.asm.Type;
import de.dhbwstuttgart.bytecode.TPHExtractor;
import de.dhbwstuttgart.bytecode.constraint.ExtendsConstraint;
import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
import de.dhbwstuttgart.bytecode.utilities.MethodAndTPH;
/**
* @author fayez
*
*/
public class GenericsGenerator {
/*TODO: When generating generics for a class if we have the following:
tphClass < tphMeth1 < tphMeth2
then we have to convert tphMeth1, tphMeth2 to tph class and generate the following
class constraints: tphClass < tphMeth1, tphMeth1 < tphMeth2, tphMeth2 < Object
*/
public static GenericsGeneratorResultForClass generateConstraints(final JavaClassName className, final TPHExtractor tphExtractor,
final List<String> tphsClass, final ConstraintsSimplierResult simplifiedConstraints) {
List<GenericsGeneratorResult> classConstraints = generateConstraintsForClass(tphExtractor,
simplifiedConstraints, tphsClass);
// GenericGeneratorResultsForAllMethods methodsAndConstraints = generateConstraintsForAllMethods(tphExtractor,
// simplifiedConstraints, tphsClass);
GenericGeneratorResultsForAllMethods methodsAndConstraints = new GenericGeneratorResultsForAllMethods(new ArrayList<>());
return new GenericsGeneratorResultForClass(className, classConstraints, methodsAndConstraints);
}
/**
* @param tphExtractor
* @param tphsClass
* @return
*/
public static ConstraintsSimplierResult simplifyConstraints(final TPHExtractor tphExtractor,
final List<String> tphsClass) {
final List<GenericsGeneratorResult> genericsGeneratorResults = new ArrayList<>();
ConstraintsSimplierResult simplifiedConstraints = ConstraintsSimplifier.simplifyConstraints(tphExtractor,
genericsGeneratorResults, tphsClass);
return simplifiedConstraints;
}
private static List<GenericsGeneratorResult> generateConstraintsForClass(final TPHExtractor tphExtractor,
final ConstraintsSimplierResult simplifiedConstraints, final List<String> tphsClass) {
final List<GenericsGeneratorResult> constraints = new ArrayList<>();
if (tphsClass.isEmpty())
return constraints;
final List<TPHConstraint> allCons = tphExtractor.allCons;
final Set<String> visitedTPHs = new HashSet<>();
final List<String> methodTPHs = tphExtractor.ListOfMethodsAndTph.stream().map(m -> m.getLocalTphs())
.flatMap(l -> l.stream()).collect(Collectors.toList());
createConstraintsForClassTphs(simplifiedConstraints, tphsClass, constraints, allCons, visitedTPHs, methodTPHs);
GenericsGeneratorUtility.addTPHsToClassTPHs(constraints, tphsClass);
GenericsGeneratorUtility.removeClassTPHsFromMethodTPHs(tphsClass, tphExtractor);
generateGGConstraintsForTPH(tphsClass, constraints, simplifiedConstraints);
return constraints;
}
private static void createConstraintsForClassTphs(ConstraintsSimplierResult simplifiedConstraints, List<String> tphsClass, List<GenericsGeneratorResult> constraints, List<TPHConstraint> allCons, Set<String> visitedTPHs, List<String> methodTPHs) {
List<String> classAndMethodTphs = new ArrayList<>(tphsClass);
classAndMethodTphs.addAll(methodTPHs);
for (String tph : tphsClass) {
if (visitedTPHs.contains(tph))
continue;
final LinkedList<String> tphsInRel = GenericsGeneratorUtility
.createLinkedListForTPHsInRelationClass(allCons, tphsClass, methodTPHs, visitedTPHs, tph);
generateConstraintsForClassFromList(tphsInRel,simplifiedConstraints,classAndMethodTphs,constraints);
}
}
private static void generateConstraintsForClassFromList(LinkedList<String> tphsInRel, ConstraintsSimplierResult simplifiedConstraints, List<String> classAndMethodTphs, List<GenericsGeneratorResult> constraints) {
if(tphsInRel.isEmpty())
return;
List<GenericsGeneratorResult> resultConstraints = new ArrayList<>();
String subType = tphsInRel.getFirst();
String superType = GenericsGeneratorUtility.getNextClassTph(classAndMethodTphs, tphsInRel);
int idxOfSuper = tphsInRel.indexOf(superType);
int size = tphsInRel.size();
while (size > 2 && idxOfSuper < size-1){
GenericsGeneratorResult genericsGeneratorResult = getGenericsGeneratorResultForClass(simplifiedConstraints, subType, superType);
constraints.add(genericsGeneratorResult);
tphsInRel = new LinkedList<>(tphsInRel.subList(idxOfSuper, size));
subType = tphsInRel.getFirst();
superType = GenericsGeneratorUtility.getNextClassTph(classAndMethodTphs, tphsInRel);
idxOfSuper = tphsInRel.indexOf(superType);
size = tphsInRel.size();
}
GenericsGeneratorResult genericsGeneratorResult = getGenericsGeneratorResultForClass(simplifiedConstraints, subType, superType);
constraints.add(genericsGeneratorResult);
}
private static GenericsGeneratorResult getGenericsGeneratorResultForClass(ConstraintsSimplierResult simplifiedConstraints, String subType, String superType) {
TPHConstraint constraint = new ExtendsConstraint(subType, superType);
Set<String> equalSet = GenericsGeneratorUtility
.createEqualSet(simplifiedConstraints.getNameReplacementResults(), subType);
return new GenericsGeneratorResult(constraint, equalSet);
}
/* TODO Remove this methoda*/
private static GenericsGeneratorResult generateGGResultForClass(LinkedList<String> tphsInRel,
ConstraintsSimplierResult simplifiedConstraints, List<String> tphsClass) {
String subType = tphsInRel.getFirst();
String superType = GenericsGeneratorUtility.getNextClassTph(tphsClass, tphsInRel);
TPHConstraint constraint = new ExtendsConstraint(subType, superType);
Set<String> equalSet = GenericsGeneratorUtility
.createEqualSet(simplifiedConstraints.getNameReplacementResults(), subType);
return new GenericsGeneratorResult(constraint, equalSet);
}
private static GenericGeneratorResultsForAllMethods generateConstraintsForAllMethods(
final TPHExtractor tphExtractor, ConstraintsSimplierResult simplifiedConstraints, List<String> tphsClass) {
final List<MethodAndConstraints> methodsAndConstraints = new ArrayList<>();
final GenericGeneratorResultsForAllMethods results = new GenericGeneratorResultsForAllMethods(
methodsAndConstraints);
tphExtractor.ListOfMethodsAndTph.forEach(m -> {
MethodAndConstraints methAndCons = generateConstraintsForMethod(tphExtractor.allCons, m,
simplifiedConstraints, tphsClass);
methodsAndConstraints.add(methAndCons);
});
return results;
}
public static MethodAndConstraints generateConstraintsForMethod(final List<TPHConstraint> allCons,
final MethodAndTPH m, final ConstraintsSimplierResult simplifiedConstraints, List<String> tphsClass) {
final List<String> localTphs = m.getLocalTphs();
List<GenericsGeneratorResult> constraints = new ArrayList<>();
MethodAndConstraints result = new MethodAndConstraints(m.getId(), constraints);
if (localTphs.isEmpty())
return result;
if (localTphs.size() == 1 && tphsClass.isEmpty()) {
generateGGConstraintsForTPH(localTphs, constraints, simplifiedConstraints);
return result;
}
final Set<String> visitedTPHs = new HashSet<>();
for (String tph : localTphs) {
if (visitedTPHs.contains(tph))
continue;
final LinkedList<String> tphsInRel = GenericsGeneratorUtility.createLinkedListForTPHsInRelation(allCons,
localTphs, tphsClass, visitedTPHs, tph);
if (!tphsInRel.isEmpty()) {
GenericsGeneratorUtility.removeNotLocalTphs(tphsInRel, localTphs, tphsClass);
if (!GenericsGeneratorUtility.isInResult(tphsInRel.getFirst(), constraints)) {
GenericsGeneratorResult constraint = generateGGResult(tphsInRel, simplifiedConstraints);
constraints.add(constraint);
}
}
}
generateGGConstraintsForTPH(localTphs, constraints, simplifiedConstraints);
return result;
}
private static void generateGGConstraintsForTPH(List<String> localTphs,
final List<GenericsGeneratorResult> constraints, final ConstraintsSimplierResult simplifiedConstraints) {
localTphs.forEach(tph -> {
boolean isInSimplifiedConstraints = GenericsGeneratorUtility.isTPHInGenericGeneratorResult(simplifiedConstraints.getGenericsGenResults(), tph);
if (isInSimplifiedConstraints) {
GenericsGeneratorResult ggResult = GenericsGeneratorUtility.getGenericGeneratorResult(simplifiedConstraints.getGenericsGenResults(), tph).get();
// GenericsGeneratorUtility.removeGenericGeneratorResult(simplifiedConstraints.getGenericsGenResults(),ggResult);
constraints.add(ggResult);
} else {
boolean isInConstraints = GenericsGeneratorUtility.isTPHInGenericGeneratorResult(constraints, tph);
if (!isInConstraints) {
GenericsGeneratorResult ggResult = generateGGResult(tph, simplifiedConstraints.getNameReplacementResults());
constraints.add(ggResult);
}
}
});
}
private static GenericsGeneratorResult generateGGResult(String tph,
List<NameReplacementResult> nameReplacementResults) {
String superType = Type.getInternalName(Object.class);
TPHConstraint constraint = new ExtendsConstraint(tph, superType);
Set<String> equalSet = GenericsGeneratorUtility.createEqualSet(nameReplacementResults, tph);
return new GenericsGeneratorResult(constraint, equalSet);
}
private static GenericsGeneratorResult generateGGResult(final LinkedList<String> tphsInRel,
final ConstraintsSimplierResult simplifiedConstraints) {
String subType = tphsInRel.getFirst();
if (tphsInRel.size() == 1) {
Optional<GenericsGeneratorResult> constraintFromSimplifiedCon = simplifiedConstraints
.getGenericsGenResults().stream().filter(g -> g.getConstraint().getLeft().equals(subType))
.findFirst();
if (constraintFromSimplifiedCon.isPresent())
return constraintFromSimplifiedCon.get();
}
String superType = tphsInRel.size() > 1 ? tphsInRel.getLast() : Type.getInternalName(Object.class);
TPHConstraint constraint = new ExtendsConstraint(subType, superType);
Set<String> equalSet = GenericsGeneratorUtility
.createEqualSet(simplifiedConstraints.getNameReplacementResults(), subType);
return new GenericsGeneratorResult(constraint, equalSet);
}
}

@ -1,571 +0,0 @@
/**
*
*/
package de.dhbwstuttgart.bytecode.genericsGenerator;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.*;
import org.objectweb.asm.Type;
import de.dhbwstuttgart.bytecode.TPHExtractor;
import de.dhbwstuttgart.bytecode.constraint.EqualConstraint;
import de.dhbwstuttgart.bytecode.constraint.ExtendsConstraint;
import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
import de.dhbwstuttgart.bytecode.constraint.TPHConstraint.Relation;
import de.dhbwstuttgart.bytecode.utilities.ConstraintsFinder;
import de.dhbwstuttgart.bytecode.utilities.MethodAndTPH;
import de.dhbwstuttgart.bytecode.utilities.NameReplacer;
/**
* @author fayez
*
*/
public class GenericsGeneratorUtility {
/**
* Returns a list of type placeholders names of a specified method
*
* @param methodID The id of the method ReturnTypeMethodName(ParameterTypes)
* @param listOfMethodsAndTph List of all methods
* @return a list of type placehoders names
*/
public static List<String> getMethodTPHS(String methodID, ArrayList<MethodAndTPH> listOfMethodsAndTph) {
return listOfMethodsAndTph.stream().filter(mt->mt.getId().equals(methodID)).findAny().get().getTphs();
}
/**
* Returns a reverse constraint of a specified constraint which is given by its left and right
* side
*
* @param allCons List of all constraints
* @param left The left side of the given constraint
* @param right The right side of the given constraint
* @return An Optional object which contains the reverse constraint if it is exist
*/
public static Optional<TPHConstraint> getReverseConstraint(List<TPHConstraint> allCons, String left, String right) {
return allCons.stream().filter(c->{
return c.getRight().equals(left) && c.getLeft().equals(right);
}).findAny();
}
/**
* Substitutes the old name by the new name in all constraints
*
* @param allCons List of all constraints
* @param oldName The name to be replaced
* @param newName The new name
*/
public static void substituteTPH(List<TPHConstraint> allCons, String oldName, String newName) {
allCons.stream()
.filter(c->c.getRel()==Relation.EXTENDS)
.forEach(c->{
if(c.getLeft().equals(oldName))
c.setLeft(newName);
if(c.getRight().equals(oldName))
c.setRight(newName);
});
}
public static List<ConstraintsWithSameLeftSide> findConstraintsWithLeftSameLeftSide(List<TPHConstraint> allCons) {
// finder looks for constraints that have the same left hand side
// and put them in a list
ConstraintsFinder finder = new ConstraintsFinder(allCons);
List<ConstraintsWithSameLeftSide> foundCons = finder.findConstraints();
return foundCons;
}
public static void simplifyConstraintsWithSameLeftSide(List<ConstraintsWithSameLeftSide> consWithSameLeftSide,
List<TPHConstraint> allCons, List<String> methodTPHS) {
List<TPHConstraint> eqCons = new ArrayList<>();
for (ConstraintsWithSameLeftSide list : consWithSameLeftSide) {
NameReplacementResult replRes = modifyNames(allCons, methodTPHS, list);
createEqualConstraintsForNames(replRes.getName(), replRes.getOldNames(),eqCons);
for (TPHConstraint c : allCons) {
if (c.getRel() == Relation.EQUAL && replRes.getName().equals(c.getRight())) {
eqCons.add(c);
}
}
updateEqualCons(replRes, eqCons);
TPHConstraint c = list.getConstraints().get(0);
allCons.removeAll(list.getConstraints());
allCons.add(c);
}
}
public static void simplifyConstraintsWithSameLeftSide(List<ConstraintsWithSameLeftSide> consWithSameLeftSide,
TPHExtractor tphExtractor, List<String> tphsClass, List<TPHConstraint> equalCons) {
List<TPHConstraint> allCons = tphExtractor.allCons;
for (ConstraintsWithSameLeftSide list : consWithSameLeftSide) {
if(!stillWithSameLeftSide(list))
continue;
NameReplacementResult replRes = modifyNames(allCons, list, tphExtractor.ListOfMethodsAndTph,tphsClass);
createEqualConstraintsForNames(replRes.getName(), replRes.getOldNames(),equalCons);
for (TPHConstraint c : allCons) {
if (c.getRel() == Relation.EQUAL && replRes.getName().equals(c.getRight())) {
equalCons.add(c);
}
}
updateEqualCons(replRes, equalCons);
TPHConstraint c = list.getConstraints().get(0);
allCons.removeAll(list.getConstraints());
removeConstraintsWithSameLeftAndRightSide(allCons);
allCons.add(c);
removeDuplicate(allCons);
}
consWithSameLeftSide.clear();
consWithSameLeftSide = findConstraintsWithLeftSameLeftSide(allCons);
if(!consWithSameLeftSide.isEmpty())
simplifyConstraintsWithSameLeftSide(consWithSameLeftSide,tphExtractor,tphsClass,equalCons);
}
private static void removeDuplicate(List<TPHConstraint> allCons) {
List<TPHConstraint> visited = new ArrayList<>();
List<Integer> toRemove = new ArrayList<>();
checkForDuplicate(allCons, visited, toRemove);
removeConstraintsByIndex(allCons, toRemove);
}
private static void removeConstraintsByIndex(List<TPHConstraint> allCons, List<Integer> toRemove) {
for(int index : toRemove)
allCons.remove(index);
}
private static void checkForDuplicate(List<TPHConstraint> allCons, List<TPHConstraint> visited, List<Integer> toRemove) {
for(int i = 0;i<allCons.size();++i){
markConstraintIfDuplicate(allCons, visited, toRemove, i);
}
}
private static void markConstraintIfDuplicate(List<TPHConstraint> allCons, List<TPHConstraint> visited, List<Integer> toRemove, int i) {
TPHConstraint constraint = allCons.get(i);
if(containsInList(visited,constraint.getLeft(),constraint.getRight())){
toRemove.add(i);
} else {
visited.add(constraint);
}
}
private static boolean containsInList(List<TPHConstraint> allConstraints, String left, String right) {
for(TPHConstraint constraint : allConstraints)
if(constraint.getLeft().equals(left) && constraint.getRight().equals(right))
return true;
return false;
}
private static void addNewConstraintsWithSameLeftSide(ConstraintsWithSameLeftSide constraintsWithSameLeftSide, List<TPHConstraint> allCons) {
allCons.forEach(c->{
if (constraintsWithSameLeftSide.getConstraints().get(0).getLeft().equals(c.getLeft())){
if(!constraintsWithSameLeftSide.getConstraints().contains(c))
constraintsWithSameLeftSide.getConstraints().add(c);
}
});
}
private static void checkForNewConstraintsWithSameLeftSide(List<ConstraintsWithSameLeftSide> consWithSameLeftSide, List<TPHConstraint> allCons) {
allCons.forEach(c->{
Optional<ConstraintsWithSameLeftSide> constraintsWithSameLeftSide = getConstraintsWithSameLeftSide(consWithSameLeftSide, c.getLeft());
constraintsWithSameLeftSide.ifPresent(cls->{
if(!cls.getConstraints().contains(c))
cls.getConstraints().add(c);
});
});
}
private static Optional<ConstraintsWithSameLeftSide> getConstraintsWithSameLeftSide(List<ConstraintsWithSameLeftSide> consWithSameLeftSide, String left) {
return consWithSameLeftSide.stream().filter(csl->isContainedInConsWithLeftSide(csl,left)).findAny();
}
private static boolean isContainedInConsWithLeftSide(ConstraintsWithSameLeftSide csl, String left) {
return csl.getConstraints().get(0).getLeft().equals(left);
}
private static boolean stillWithSameLeftSide(ConstraintsWithSameLeftSide constraints) {
removeUnvalidConstraints(constraints);
return constraints.getConstraints().size()>1;
}
private static void removeUnvalidConstraints(ConstraintsWithSameLeftSide constraints) {
List<TPHConstraint> toRemove = new ArrayList<>();
constraints.getConstraints().forEach(c->{
if(c.getLeft().equals(c.getRight()))
toRemove.add(c);
});
if(!toRemove.isEmpty())
constraints.getConstraints().removeAll(toRemove);
}
private static void removeConstraintsWithSameLeftAndRightSide(List<TPHConstraint> allCons) {
List<TPHConstraint> toRemove = new ArrayList<>();
allCons.forEach(c->{
if(c.getLeft().equals(c.getRight()))
toRemove.add(c);
});
allCons.removeAll(toRemove);
}
private static void createEqualConstraintsForNames(String name, List<String> equalNames, List<TPHConstraint> eqCons) {
// create an equal constraint for each value in repres
for (String eName : equalNames) {
EqualConstraint ec = new EqualConstraint(eName, name);
eqCons.add(ec);
}
}
/**
* @param allCons
* @param methodTPHS
* @param list
* @return
*/
public static NameReplacementResult modifyNames(List<TPHConstraint> allCons, List<String> methodTPHS,
ConstraintsWithSameLeftSide list) {
// generate a new name and replace the right hand side for each constraint
// in list with the new name
NameReplacer replacer = new NameReplacer(list.getConstraints(), allCons, methodTPHS);
// new name -> [all old names]
NameReplacementResult replRes = replacer.replaceNames();
return replRes;
}
public static NameReplacementResult modifyNames(List<TPHConstraint> allCons, ConstraintsWithSameLeftSide list, List<MethodAndTPH> methodAndTPHs, List<String> tphsClass) {
// generate a new name and replace the right hand side for each constraint
// in list with the new name
NameReplacer replacer = new NameReplacer(list.getConstraints(), allCons, methodAndTPHs, tphsClass);
// new name -> [all old names]
NameReplacementResult replRes = replacer.replaceNames();
return replRes;
}
public static void updateEqualCons(NameReplacementResult nameReplacementResult, List<TPHConstraint> eqCons) {
List<String> oldNames = nameReplacementResult.getOldNames();
String newName = nameReplacementResult.getName();
for (TPHConstraint c : eqCons) {
// if(oldNames.contains(c.getLeft()))
// c.setLeft(newName);
if (oldNames.contains(c.getRight()))
c.setRight(newName);
}
}
public static void modifyRelationForConstraintsInCycle(List<Cycle> cycles) {
cycles.stream().map(lc->lc.getConstraints()).flatMap(e->e.stream()).forEach(c->c.setRel(Relation.EQUAL));
}
public static List<NameReplacementResult> substituteTPHSFormCycle(List<TPHConstraint> allCons, List<Cycle> cycles, TPHExtractor tphExtractor) {
List<NameReplacementResult> results = new ArrayList<>();
cycles.forEach(lc->{
Set<String> names = getNamesFromCycle(lc);
String newName = names.stream().findFirst().get();
List<String> equalNames = new ArrayList<>(names);
Stream<ArrayList<String>> tphsOfMethods = tphExtractor.ListOfMethodsAndTph.stream().map(m->m.getTphs());
Stream<ArrayList<String>> localTphsOfMethods = tphExtractor.ListOfMethodsAndTph.stream().map(m->m.getLocalTphs());
replaceOldNames(newName, equalNames, tphsOfMethods);
replaceOldNames(newName, equalNames, localTphsOfMethods);
NameReplacementResult res = new NameReplacementResult(newName, equalNames);
results.add(res);
substituteAll(allCons,names,newName);
});
return results;
}
/**
* @param newName
* @param names
* @param tphsOfMethods
*/
public static void replaceOldNames(final String newName, final List<String> names, Stream<ArrayList<String>> tphsOfMethods) {
tphsOfMethods.forEach(tphsMethod->{
if(tphsMethod.removeAll(names))
tphsMethod.add(newName);
});
}
public static void substituteAll(List<TPHConstraint> allCons, Set<String> names, String newName) {
allCons.stream()
.filter(c-> c.getRel()==Relation.EXTENDS)
.forEach(c->{
if(names.contains(c.getLeft())) {
c.setLeft(newName);
} else if(names.contains(c.getRight())) {
c.setRight(newName);
}
});
}
public static Set<String> getNamesFromCycle(Cycle lc) {
Set<String> names = new HashSet<>();
lc.getConstraints().forEach(c->names.add(c.getLeft()));
return names;
}
public static void createResults(List<GenericsGeneratorResult> genericsGeneratorResults,
List<NameReplacementResult> nameReplacementResults) {
nameReplacementResults.forEach(n->{
Set<String> equals = new HashSet<>(n.getOldNames());
TPHConstraint cons = new ExtendsConstraint(n.getName(), Type.getInternalName(Object.class));
GenericsGeneratorResult ggRes = new GenericsGeneratorResult(cons, equals);
genericsGeneratorResults.add(ggRes);
});
}
public static void removeEqualConstraints(List<TPHConstraint> allCons) {
List<TPHConstraint> equalConstraints = getEqualConstraints(allCons);
allCons.removeAll(equalConstraints);
}
public static List<TPHConstraint> getEqualConstraints(List<TPHConstraint> allCons) {
return allCons.stream().filter(c->c.getRel()==Relation.EQUAL).collect(Collectors.toList());
}
public static List<NameReplacementResult> createNameReplacementResultsFromEqualConstraints(
List<TPHConstraint> equalCons) {
List<NameReplacementResult> nameReplacementResults = new ArrayList<>();
equalCons.forEach(c->{
if(isInNameReplacementResults(nameReplacementResults,c.getRight())) {
getNameReplacementByName(nameReplacementResults,c.getRight()).getOldNames().add(c.getLeft());
} else {
List<String> oldNames = new ArrayList<>();
oldNames.add(c.getLeft());
NameReplacementResult nrRes = new NameReplacementResult(c.getRight(), oldNames);
nameReplacementResults.add(nrRes);
}
});
return nameReplacementResults;
}
private static NameReplacementResult getNameReplacementByName(List<NameReplacementResult> nameReplacementResults,
String name) {
return nameReplacementResults.stream().filter(n->n.getName().equals(name)).findFirst().get();
}
public static boolean isInNameReplacementResults(List<NameReplacementResult> nameReplacementResults,String name){
if(nameReplacementResults.isEmpty())
return false;
return nameReplacementResults.stream().map(r->r.getName()).filter(n->name.equals(n)).findFirst().isPresent();
}
public static Optional<TPHConstraint> getConstraintByLeftSide(List<TPHConstraint> allCons, String tph) {
return allCons.stream().filter(c->c.getLeft().equals(tph)).findFirst();
}
public static Optional<TPHConstraint> getConstraintByRightSide(List<TPHConstraint> allCons, String tph) {
return allCons.stream().filter(c->c.getRight().equals(tph)).findFirst();
}
public static boolean isTPHInGenericGeneratorResult(final List<GenericsGeneratorResult> constraints, final String tph) {
return constraints.stream().filter(g->g.getConstraint().getLeft().equals(tph)).findFirst().isPresent();
}
/**
* @param allCons
* @param tphsMethod
* @param tphsClass
* @param visitedTPHs
* @param tph
* @return
*/
public static LinkedList<String> createLinkedListForTPHsInRelation(final List<TPHConstraint> allCons,
List<String> tphsMethod, List<String> tphsClass, final Set<String> visitedTPHs, String tph) {
final LinkedList<String> tphsInRel = new LinkedList<>();
List<String> tphsList = new ArrayList<>(tphsMethod);
tphsList.addAll(tphsClass);
boolean isNextSuperTypeFound = findNextSuperTyp(allCons,tphsList ,visitedTPHs, tph, tphsInRel);
if(!isNextSuperTypeFound)
findNextSubType(allCons, tphsList,visitedTPHs, tph, tphsInRel);
return tphsInRel;
}
public static boolean findNextSubType(List<TPHConstraint> allCons, List<String> tphsList, Set<String> visitedTPHs, String tph,
LinkedList<String> tphsInRel) {
Optional<TPHConstraint> con = getConstraintByRightSide(allCons, tph);
while (con.isPresent()) {
String left = con.get().getLeft();
String right = con.get().getRight();
addTPHsToListFromLeft(tphsInRel, left, right);
markAsVisited(visitedTPHs, left);
if(tphsList.contains(left))
return true;
con = getConstraintByRightSide(allCons, left);
}
return false;
}
public static void addTPHsToListFromLeft(LinkedList<String> tphsInRel, String left, String right) {
if (tphsInRel.isEmpty())
tphsInRel.add(right);
tphsInRel.addFirst(left);
}
/**
* @param allCons
* @param tphsList
* @param visitedTPHs
* @param tph
* @param tphsInRel
* @return
*/
public static boolean findNextSuperTyp(final List<TPHConstraint> allCons, List<String> tphsList, final Set<String> visitedTPHs, String tph,
final LinkedList<String> tphsInRel) {
Optional<TPHConstraint> con = getConstraintByLeftSide(allCons, tph);
markAsVisited(visitedTPHs, tph);
while (con.isPresent()) {
String left = con.get().getLeft();
String right = con.get().getRight();
addTPHsToList(tphsInRel, left, right);
if(tphsList.contains(right))
return true;
markAsVisited(visitedTPHs, right);
con = getConstraintByLeftSide(allCons, right);
}
return false;
}
public static void markAsVisited(Set<String> visitedTPHs, String left) {
visitedTPHs.add(left);
}
/**
* @param visitedTPHs
* @param right
* @param left
*/
public static void markAsVisited(final Set<String> visitedTPHs, String left, String right) {
visitedTPHs.add(left);
visitedTPHs.add(right);
}
/**
* @param tphsInRel
* @param right
* @param left
*/
public static void addTPHsToList(final LinkedList<String> tphsInRel, String left, String right) {
if (tphsInRel.isEmpty())
tphsInRel.add(left);
tphsInRel.add(right);
}
public static void removeNotLocalTphs(final LinkedList<String> tphsInRel, final List<String> localTphs,
List<String> tphsClass) {
while (!localTphs.contains(tphsInRel.peek())) {
tphsInRel.removeFirst();
}
String last = tphsInRel.peekLast();
while (!localTphs.contains(last) && !tphsClass.contains(last)) {
tphsInRel.removeLast();
last = tphsInRel.peekLast();
}
}
/**
* @param nameReplacementResults
* @param subType
* @return
*/
public static Set<String> createEqualSet(final List<NameReplacementResult> nameReplacementResults, String subType) {
Optional<NameReplacementResult> equals = nameReplacementResults.stream()
.filter(n -> n.getName().equals(subType)).findFirst();
Set<String> equalSet = equals.isPresent() ? new HashSet<>(equals.get().getOldNames()) : new HashSet<>();
return equalSet;
}
public static String getNextClassTph(List<String> tphsClass, LinkedList<String> tphsInRel) {
for(int i = 1;i<tphsInRel.size();++i) {
String next = tphsInRel.get(i);
if(tphsClass.contains(next))
return next;
}
return tphsInRel.getLast();
}
public static void addTPHsToClassTPHs(final List<GenericsGeneratorResult> constraints, final List<String> tphsClass) {
List<String> lefts = constraints.stream().map(r->r.getConstraint()).map(c->c.getLeft()).collect(Collectors.toList());
List<String> rights = constraints.stream().map(r->r.getConstraint()).map(c->c.getRight()).collect(Collectors.toList());
List<String> leftsAndRights = new ArrayList<>(lefts);
leftsAndRights.addAll(rights);
List<String> shouldBeClassTphs = leftsAndRights.stream().distinct().collect(Collectors.toList());
for(String tph : shouldBeClassTphs) {
if(!tphsClass.contains(tph))
tphsClass.add(tph);
}
}
public static void removeClassTPHsFromMethodTPHs(List<String> tphsClass, TPHExtractor tphExtractor) {
tphExtractor.ListOfMethodsAndTph.stream().map(m->m.getTphs()).forEach(tphs->{
tphs.removeAll(tphsClass);
});
tphExtractor.ListOfMethodsAndTph.stream().map(m->m.getLocalTphs()).forEach(tphs->{
tphs.removeAll(tphsClass);
});
}
public static LinkedList<String> createLinkedListForTPHsInRelationClass(List<TPHConstraint> allCons,
List<String> tphsClass, List<String> methodTPHs, Set<String> visitedTPHs, String tph) {
final LinkedList<String> tphsInRel = new LinkedList<>();
boolean isNextSuperTypeFound = findNextSuperTyp(allCons,tphsClass ,visitedTPHs, tph, tphsInRel);
if(!tphsInRel.isEmpty() && !isNextSuperTypeFound && !methodTPHs.contains(tphsInRel.getLast()))
findNextSubType(allCons, tphsClass,visitedTPHs, tph, tphsInRel);
return tphsInRel;
}
public static boolean isInResult(String first, List<GenericsGeneratorResult> constraints) {
return constraints.stream().map(r->r.getConstraint()).filter(c->c.getLeft().equals(first)).findFirst().isPresent();
}
public static Optional<GenericsGeneratorResult> getGenericGeneratorResult(List<GenericsGeneratorResult> list,
String tph) {
return list.stream().filter(g->g.getConstraint().getLeft().equals(tph)).findFirst();
}
public static void removeGenericGeneratorResult(List<GenericsGeneratorResult> genericsGenResults,
GenericsGeneratorResult ggResult) {
genericsGenResults.remove(ggResult);
}
public static Optional<MethodAndTPH> getMethodAndTphs(ArrayList<MethodAndTPH> listOfMethodsAndTph, String id) {
return listOfMethodsAndTph.stream().filter(m->m.getId().equals(id)).findFirst();
}
}

@ -1,35 +0,0 @@
package de.dhbwstuttgart.bytecode.genericsGeneratorTypes;
import java.util.List;
import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
public class ConstraintsWithSameLeftSide {
private List<TPHConstraint> constraints;
/**
* @param constraints
*/
public ConstraintsWithSameLeftSide(List<TPHConstraint> constraints) {
this.constraints = constraints;
}
/**
* @return the constraints
*/
public List<TPHConstraint> getConstraints() {
return constraints;
}
/**
* @param constraints the constraints to set
*/
public void setConstraints(List<TPHConstraint> constraints) {
this.constraints = constraints;
}
@Override
public String toString() {
return "[" + constraints.toString() + "]";
}
}

@ -1,46 +0,0 @@
/**
*
*/
package de.dhbwstuttgart.bytecode.genericsGeneratorTypes;
import java.util.List;
import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
/**
* @author fayez
*
*/
public class Cycle {
private final List<TPHConstraint> constraints;
/**
* @param constraints
*/
public Cycle(List<TPHConstraint> constraints) {
this.constraints = constraints;
}
/**
* @return the constraints
*/
public List<TPHConstraint> getConstraints() {
return constraints;
}
public boolean containConstraint(TPHConstraint constraint) {
for(TPHConstraint c : constraints) {
if(c.equalConstraint(constraint))
return true;
}
return false;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
constraints.forEach(c->sb.append(c.getLeft()+" -> "));
sb.append(constraints.get(constraints.size()-1).getRight());
return sb.toString();
}
}

@ -1,33 +0,0 @@
/**
*
*/
package de.dhbwstuttgart.bytecode.genericsGeneratorTypes;
import java.util.Collections;
import java.util.List;
/**
* @author fayez
*
*/
public class GenericGeneratorResultsForAllMethods {
private final List<MethodAndConstraints> methodsAndConstraints;
public GenericGeneratorResultsForAllMethods() {
this(Collections.emptyList());
}
/**
* @param methodsAndConstraints
*/
public GenericGeneratorResultsForAllMethods(List<MethodAndConstraints> methodsAndConstraints) {
this.methodsAndConstraints = methodsAndConstraints;
}
/**
* @return the methodsAndConstraints
*/
public List<MethodAndConstraints> getMethodsAndConstraints() {
return methodsAndConstraints;
}
}

@ -1,53 +0,0 @@
/**
*
*/
package de.dhbwstuttgart.bytecode.genericsGeneratorTypes;
import de.dhbwstuttgart.parser.scope.JavaClassName;
import java.util.ArrayList;
import java.util.List;
import java.util.NoSuchElementException;
/**
* The simplify results of a source file (package)
*
* @author fayez
*
*/
public class GenericGenratorResultForSourceFile {
private String pkgName;
private final List<GenericsGeneratorResultForClass> genericGeneratorResultForAllClasses = new ArrayList<>();
/**
* @param pkgName
*/
public GenericGenratorResultForSourceFile(String pkgName) {
this.pkgName = pkgName;
}
public List<GenericsGeneratorResultForClass> getGenericGeneratorResultForAllClasses() {
return genericGeneratorResultForAllClasses;
}
/**
* Appends the simplify results of a class to simplifyResForSF
*
* @param sResClass simplify results of a class to added
*/
public void addGenericGeneratorResultClass(GenericsGeneratorResultForClass sResClass) {
genericGeneratorResultForAllClasses.add(sResClass);
}
public GenericsGeneratorResultForClass getSimplifyResultsByName(JavaClassName name) {
if (this.pkgName.equals(name.getPackageName())) {
return genericGeneratorResultForAllClasses.stream()
.filter(sr -> sr.getClassName().equals(name))
.findAny()
.orElseThrow(() -> new NoSuchElementException(
"Simplify results for the class " + pkgName + "." + name + " are not found"));
}
throw new NoSuchElementException("Simplify results for the class " + pkgName + "." + name + " are not found");
}
}

@ -1,55 +0,0 @@
/**
*
*/
package de.dhbwstuttgart.bytecode.genericsGeneratorTypes;
import java.util.Set;
import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
/**
* @author fayez
*
*/
public class GenericsGeneratorResult {
private TPHConstraint constraint;
/**
* contains the names of all type placeholders which are equals to the left side of
* the constraint {@link #constraint}.
*/
private Set<String> equalsTPHs;
/**
* @param constraint
* @param equalsTPHs
*/
public GenericsGeneratorResult(TPHConstraint constraint, Set<String> equalsTPHs) {
this.constraint = constraint;
this.equalsTPHs = equalsTPHs;
}
/**
* @return the constraint
*/
public TPHConstraint getConstraint() {
return constraint;
}
/**
* @param constraint the constraint to set
*/
public void setConstraint(TPHConstraint constraint) {
this.constraint = constraint;
}
/**
* @return the equalsTPHs
*/
public Set<String> getEqualsTPHs() {
return equalsTPHs;
}
/**
* @param equalsTPHs the equalsTPHs to set
*/
public void setEqualsTPHs(Set<String> equalsTPHs) {
this.equalsTPHs = equalsTPHs;
}
}

@ -1,69 +0,0 @@
/**
*
*/
package de.dhbwstuttgart.bytecode.genericsGeneratorTypes;
import de.dhbwstuttgart.parser.scope.JavaClassName;
import java.util.Collections;
import java.util.List;
/**
* @author fayez
*
*/
public class GenericsGeneratorResultForClass {
private final JavaClassName className;
private final List<GenericsGeneratorResult> classConstraints;
private final GenericGeneratorResultsForAllMethods methodsAndTheirConstraints;
public GenericsGeneratorResultForClass(JavaClassName className) {
this(className, Collections.emptyList(), new GenericGeneratorResultsForAllMethods());
}
/**
* @param className
* @param classConstraints
* @param methodsAndTheirConstraints
*/
public GenericsGeneratorResultForClass(JavaClassName className, List<GenericsGeneratorResult> classConstraints,
GenericGeneratorResultsForAllMethods methodsAndTheirConstraints) {
this.className = className;
this.classConstraints = classConstraints;
this.methodsAndTheirConstraints = methodsAndTheirConstraints;
}
/**
* @return the className
*/
public JavaClassName getClassName() {
return className;
}
/**
* @return the classConstraints
*/
public List<GenericsGeneratorResult> getClassConstraints() {
return classConstraints;
}
/**
* @return the methodsAndTheirConstraints
*/
public GenericGeneratorResultsForAllMethods getMethodsAndTheirConstraints() {
return methodsAndTheirConstraints;
}
public boolean contains(String id) {
return methodsAndTheirConstraints.getMethodsAndConstraints().stream().map(mc -> mc.getMethodID())
.anyMatch(i -> i.equals(id));
}
public List<GenericsGeneratorResult> getMethodConstraintsByID(String id) {
return methodsAndTheirConstraints.getMethodsAndConstraints().stream().filter(mc -> mc.getMethodID().equals(id))
.findFirst().get().getConstraints();
}
}

@ -1,36 +0,0 @@
/**
*
*/
package de.dhbwstuttgart.bytecode.genericsGeneratorTypes;
import java.util.List;
/**
* @author fayez
*
*/
public class MethodAndConstraints {
private final String methodID;
private final List<GenericsGeneratorResult> constraints;
/**
* @param methodID
* @param constraints
*/
public MethodAndConstraints(String methodID, List<GenericsGeneratorResult> constraints) {
this.methodID = methodID;
this.constraints = constraints;
}
/**
* @return the methodID
*/
public String getMethodID() {
return methodID;
}
/**
* @return the constraints
*/
public List<GenericsGeneratorResult> getConstraints() {
return constraints;
}
}

@ -1,49 +0,0 @@
/**
*
*/
package de.dhbwstuttgart.bytecode.genericsGeneratorTypes;
import java.util.List;
/**
* @author fayez
*
*/
public class NameReplacementResult {
private String name;
private List<String> oldNames;
/**
* @param name
* @param oldNames
*/
public NameReplacementResult(String name, List<String> oldNames) {
this.name = name;
this.oldNames = oldNames;
}
/**
* @return the name
*/
public String getName() {
return name;
}
/**
* @param name the name to set
*/
public void setName(String name) {
this.name = name;
}
/**
* @return the oldNames
*/
public List<String> getOldNames() {
return oldNames;
}
/**
* @param oldNames the oldNames to set
*/
public void setOldNames(List<String> oldNames) {
this.oldNames = oldNames;
};
}

@ -1,379 +1,469 @@
package de.dhbwstuttgart.bytecode.signature;
import java.util.*;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import org.objectweb.asm.Type;
import org.objectweb.asm.signature.SignatureVisitor;
import org.objectweb.asm.signature.SignatureWriter;
import de.dhbwstuttgart.bytecode.constraint.ExtendsConstraint;
import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
import de.dhbwstuttgart.bytecode.constraint.TPHConstraint.Relation;
import de.dhbwstuttgart.bytecode.descriptor.TypeToDescriptor;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericsGeneratorResult;
import de.dhbwstuttgart.bytecode.utilities.Simplify;
import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
import de.dhbwstuttgart.syntaxtree.Constructor;
import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
import de.dhbwstuttgart.syntaxtree.Method;
import de.dhbwstuttgart.syntaxtree.statement.LambdaExpression;
import de.dhbwstuttgart.syntaxtree.type.ExtendsWildcardType;
import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
import de.dhbwstuttgart.syntaxtree.type.RefType;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import de.dhbwstuttgart.syntaxtree.type.SuperWildcardType;
import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import de.dhbwstuttgart.syntaxtree.type.WildcardType;
import de.dhbwstuttgart.typeinference.result.GenericInsertPair;
import de.dhbwstuttgart.typeinference.result.ResolvedType;
import de.dhbwstuttgart.typeinference.result.ResultSet;
public class Signature {
private static final char SUPER_CHAR = '-';
private static final char EXTENDS_CHAR = '+';
private static final String SPECIAL_CHAR_FOR_FUN = "$$";
private static final String SPECIAL_CHAR = "$";
private ClassOrInterface classOrInterface;
private HashMap<String, String> genericsAndBounds;
private HashMap<String, String> genericsAndBoundsMethod;
private final SignatureWriter sw = new SignatureWriter();;
private SignatureWriter sw;
private Constructor constructor;
private Method method;
private HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes;
private HashMap<String,RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes;
private ResultSet resultSet;
private Map<TPHConstraint, Set<String>> methodConstraints;
private List<GenericsGeneratorResult> consClass;
private List<GenericsGeneratorResult> constraints;
private ArrayList<GenericInsertPair> commonPairs;
private HashMap<TPHConstraint,HashSet<String>> methodConstraints;
private ArrayList<TypePlaceholder> tphsClass;
private ArrayList<TPHConstraint> consClass;
public Signature(ClassOrInterface classOrInterface, HashMap<String, String> genericsAndBounds,
ArrayList<GenericInsertPair> commonPairs, ArrayList<TypePlaceholder> tphsClass, ArrayList<TPHConstraint> consClass) {
this.classOrInterface = classOrInterface;
this.genericsAndBounds = genericsAndBounds;
this.commonPairs = commonPairs;
this.tphsClass = tphsClass;
this.consClass = consClass;
sw = new SignatureWriter();
createSignatureForClassOrInterface();
}
// public Signature(ClassOrInterface classOrInterface, HashMap<String, String> genericsAndBounds,
// List<TPHConstraint> consClass) {
// this.classOrInterface = classOrInterface;
// this.genericsAndBounds = genericsAndBounds;
// this.consClass = consClass;
// sw = new SignatureWriter();
// createSignatureForClassOrInterface();
// }
public Signature(HashMap<String, String> genericsAndBounds,
HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes, ResultSet resultSet,
List<GenericsGeneratorResult> constraints) {
//this.constructor = constructor;
public Signature(Constructor constructor, HashMap<String, String> genericsAndBounds,
HashMap<String,RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes,ResultSet resultSet,
HashMap<TPHConstraint,HashSet<String>> methodConstraints) {
this.constructor = constructor;
this.genericsAndBounds = genericsAndBounds;
this.methodParamsAndTypes = methodParamsAndTypes;
this.resultSet = resultSet;
this.constraints = constraints;
this.methodConstraints = methodConstraints;
sw = new SignatureWriter();
createSignatureForConsOrMethod(this.constructor,true);
}
public Signature(int numberOfParams) {
createSignatureForFunN(numberOfParams);
}
public Signature(int numberOfParams, String to, String[] paramTypes) {
createSignatureForFunN(numberOfParams, to, paramTypes);
}
public Signature(ClassOrInterface classOrInterface, HashMap<String, String> genericsAndBounds,
List<GenericsGeneratorResult> consClass) {
this.classOrInterface = classOrInterface;
this.genericsAndBounds = genericsAndBounds;
this.consClass = consClass;
}
public Signature(HashMap<String, String> genericsAndBoundsMethod,
HashMap<String, String> genericsAndBounds,
HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes, ResultSet resultSet,
List<GenericsGeneratorResult> constraints,List<GenericsGeneratorResult> consClass) {
public Signature(Method method, HashMap<String, String> genericsAndBoundsMethod,HashMap<String, String> genericsAndBounds,
HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes, ResultSet resultSet,
HashMap<TPHConstraint,HashSet<String>> methodConstraints) {
this.method = method;
this.genericsAndBoundsMethod = genericsAndBoundsMethod;
this.genericsAndBounds = genericsAndBounds;
this.methodParamsAndTypes = methodParamsAndTypes;
this.resultSet = resultSet;
this.constraints = constraints;
this.consClass = consClass;
this.methodConstraints = methodConstraints;
sw = new SignatureWriter();
createSignatureForConsOrMethod(this.method,false);
}
public Signature(LambdaExpression lambdaExpression,int numberOfParams) {
sw = new SignatureWriter();
createSignatureForFunN(lambdaExpression, numberOfParams);
}
public String createSignatureForConstructor(Constructor constructor) {
visitParams();
sw.visitReturnType().visitBaseType('V');
return sw.toString();
}
public String createSignatureForMethod(Method method) {
defineGenerics(method);
String ret = resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToSignature());
visitParams();
visitReturnType(method, ret);
return sw.toString();
}
/**
* @param method
* @param ret
*/
private void visitReturnType(Method method, String ret) {
if (ret.equals("V")) {
sw.visitReturnType().visitBaseType('V');
} else {
RefTypeOrTPHOrWildcardOrGeneric returnType = method.getReturnType();
SignatureVisitor sv = sw.visitReturnType();
doVisitParamsOrReturn(returnType, sv);
private void createSignatureForFunN(LambdaExpression lambdaExpression, int numberOfParams) {
// sw.visitClassBound().visitEnd();
for(int i = 0;i<numberOfParams;i++) {
int j = i+1;
sw.visitFormalTypeParameter("T"+ j);
// getBounds von Params
sw.visitClassBound().visitClassType(Type.getInternalName(Object.class));
sw.visitClassBound().visitEnd();
}
}
/**
*
*/
private void visitParams() {
for (String paramName : methodParamsAndTypes.keySet()) {
RefTypeOrTPHOrWildcardOrGeneric t = methodParamsAndTypes.get(paramName);
SignatureVisitor sv = sw.visitParameterType();
doVisitParamsOrReturn(t, sv);
}
}
/**
*
* @param method
*/
private void defineGenerics(Method method) {
method.getGenerics().forEach(g -> {
visitTypeVarsAndTheirBounds(g, genericsAndBoundsMethod);
});
defineGenericsFromConstraints(constraints,genericsAndBoundsMethod);
}
private void createSignatureForFunN(int numberOfParams, String to, String[] paramTypes) {
defineTypeVariablesForParametersOfFunN(numberOfParams);
sw.visitFormalTypeParameter("R");
visitClassBound(to);
// TODO: prüfe ob Return-Type = void,
sw.visitSuperclass().visitClassType(Type.getInternalName(Object.class));
sw.visitEnd();
}
private void createSignatureForFunN(int numberOfParams) {
defineTypeVariablesForParametersOfFunN(numberOfParams);
sw.visitFormalTypeParameter("R");
// getBounds vom Return-Type
sw.visitClassBound().visitClassType(Type.getInternalName(Object.class));
sw.visitClassBound().visitEnd();
// TODO: prüfe ob Return-Type = void,
sw.visitSuperclass().visitClassType(Type.getInternalName(Object.class));
sw.visitSuperclass().visitClassType(Type.getInternalName(Object.class));;
sw.visitEnd();
}
private void defineTypeVariablesForParametersOfFunN(int numberOfParams) {
for (int i = 0; i < numberOfParams; i++) {
int j = i + 1;
sw.visitFormalTypeParameter("T" + j);
// getBounds von Params
sw.visitClassBound().visitClassType(Type.getInternalName(Object.class));
sw.visitClassBound().visitEnd();
/**
* Creates signature for a method or constructor with @see {@link SignatureWriter}
* Signature looks like:
* <typevaliables (K:Ljava/lang/Object "Bounds")>(params L.. OR T.. Or basistape)ReturnType
*
* @param method method or constructor
* @param isConstructor true if constructor
*/
private void createSignatureForConsOrMethod(Method method, boolean isConstructor) {
Iterator<? extends GenericTypeVar> itr = method.getGenerics().iterator();
// visits all formal type parameter and visits their bounds <T:...;B:...;...>
while(itr.hasNext()) {
System.out.println("HAS GENERICS!!");
GenericTypeVar g = itr.next();
getBoundsOfTypeVar(g,genericsAndBoundsMethod);
}
// Wenn die RückgabeType eine TPH ist, wird als generic behandelt
// z.B: Type = TPH K => wird eine Formal Type Parameter K$ erzeugt und Bound = Object
if(!isConstructor) {
String ret = resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToSignature());
ArrayList<TPHConstraint> allConsBeforeSimplify = new ArrayList<>();
HashMap<TPHConstraint,HashSet<String>> allConstraints = new HashMap<>();
if(ret.contains("<")) {
allConsBeforeSimplify = getAllConstraints((RefType) resultSet.resolveType(method.getReturnType()).resolvedType);
}
for(String paramName : methodParamsAndTypes.keySet()) {
RefTypeOrTPHOrWildcardOrGeneric t = methodParamsAndTypes.get(paramName);
String pT = t.acceptTV(new TypeToSignature());
if(pT.contains("<"))
allConsBeforeSimplify = getAllConstraints((RefType) t);
}
boolean doSimplify = false;
if(!allConsBeforeSimplify.isEmpty()) {
addConstraintsToMap(allConstraints,allConsBeforeSimplify);
doSimplify = true;
}
createTypeVars(allConstraints, doSimplify);
if(!ret.equals("V")) {
if(ret.contains("$") && !ret.contains("$$") && !ret.contains("<")) {
if(genericsAndBounds.containsKey(ret)) {
genericsAndBoundsMethod.put(ret.substring(1), genericsAndBounds.get(ret.substring(1)));
}
}
}
}
// visit each method-parameter to create the signature
for(String paramName : methodParamsAndTypes.keySet()) {
RefTypeOrTPHOrWildcardOrGeneric t = methodParamsAndTypes.get(paramName);
// parameter type deswegen ist true
doVisitParamsOrReturn(t,true);
}
if(isConstructor ||
resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToSignature()).equals("V")) {
sw.visitReturnType().visitBaseType('V');
}else {
RefTypeOrTPHOrWildcardOrGeneric returnType = method.getReturnType();
// return type deswegen ist false
doVisitParamsOrReturn(returnType, false);
}
// sw.visitEnd();
}
private void addConstraintsToMap(HashMap<TPHConstraint, HashSet<String>> allConstraints,
ArrayList<TPHConstraint> allConsBeforeSimplify) {
for(TPHConstraint tphCons : allConsBeforeSimplify) {
allConstraints.put(tphCons, null);
}
}
private String getEqualTPH(HashMap<TPHConstraint, HashSet<String>> methodConstraints, String tph) {
for(TPHConstraint cons : methodConstraints.keySet()) {
if(methodConstraints.get(cons) != null) {
if(methodConstraints.get(cons).contains(tph)) {
return cons.getLeft();
}
}
}
return tph;
}
private void createTypeVars(HashMap<TPHConstraint, HashSet<String>> allConstraints, boolean doSimplify) {
allConstraints.putAll(methodConstraints);
HashMap<TPHConstraint, HashSet<String>> simplifiedConstraints;
if(doSimplify) {
simplifiedConstraints = Simplify.simplifyContraints(allConstraints);
}else {
simplifiedConstraints = allConstraints;
}
for(TPHConstraint cons : simplifiedConstraints.keySet()) {
// need subst.
String sub = cons.getLeft()+"$";
if(!genericsAndBoundsMethod.containsKey(sub) && !genericsAndBounds.containsKey(sub)) {
sw.visitFormalTypeParameter(sub);
String bound = cons.getRight();
if(bound.equals(Type.getInternalName(Object.class))) {
sw.visitClassBound().visitClassType(Type.getInternalName(Object.class));
sw.visitClassBound().visitEnd();
genericsAndBoundsMethod.put(sub, bound);
} else {
String boundName = bound+"$";
sw.visitClassBound().visitTypeVariable(boundName);
genericsAndBoundsMethod.put(sub, boundName);
}
}
}
}
private ArrayList<TPHConstraint> getAllConstraints(RefType ref) {
final ArrayList<TPHConstraint> res = new ArrayList<>();
for(RefTypeOrTPHOrWildcardOrGeneric p : ref.getParaList()) {
ResolvedType resType;
if(p instanceof WildcardType) {
resType = resultSet.resolveType(((WildcardType) p).getInnerType());
}else {
resType = resultSet.resolveType(p);
}
RefTypeOrTPHOrWildcardOrGeneric resolved = resType.resolvedType;
if(resolved instanceof TypePlaceholder) {
resType.additionalGenerics.forEach(ag ->{
TPHConstraint constr = new ExtendsConstraint(ag.TA1.getName(), ag.TA2.getName(), Relation.EXTENDS);
if(!contains(res,constr)) {
res.add(constr);
}
});
}
if(resolved instanceof WildcardType) {
WildcardType resWC = (WildcardType) resolved;
ResolvedType resType2 = resultSet.resolveType(resWC.getInnerType());
if(resType2.resolvedType instanceof TypePlaceholder) {
resType2.additionalGenerics.forEach(ag ->{
TPHConstraint constr = new ExtendsConstraint(ag.TA1.getName(), ag.TA2.getName(), Relation.EXTENDS);
if(!contains(res,constr)) {
res.add(constr);
}
});
}
}
}
System.out.println("RES GIP === " + res.size());
return res;
}
private boolean contains(ArrayList<TPHConstraint> constraints, TPHConstraint constr) {
for(int i=0; i<constraints.size();++i) {
TPHConstraint p = constraints.get(i);
if(constr.getLeft().equals(p.getLeft()) && constr.getRight().equals(p.getRight()))
return true;
}
return false;
}
/**
* Visits parameter type or return type with {@link SignatureVisitor} to create
* the method signature
*
* @param t type of parameter or return type
* @param sv true if t is type of parameter
* @param t type of parameter or return type
* @param isParameterType true if t is type of parameter
*/
private void doVisitParamsOrReturn(RefTypeOrTPHOrWildcardOrGeneric t, SignatureVisitor sv) {
private void doVisitParamsOrReturn(RefTypeOrTPHOrWildcardOrGeneric t, boolean isParameterType) {
String type = t.acceptTV(new TypeToString());
SignatureVisitor sv;
if(isParameterType) {
sv = sw.visitParameterType();
}
else {
sv = sw.visitReturnType();
}
switch (type) {
case "RT":
String sig = t.acceptTV(new TypeToSignature(constraints));
String sig = t.acceptTV(new TypeToSignature());
sv.visitClassType(sig.substring(1, sig.length()));
break;
case "GRT":
GenericRefType g = (GenericRefType) t;
sv.visitTypeVariable(g.acceptTV(new TypeToSignature(constraints)));
sv.visitTypeVariable(g.acceptTV(new TypeToSignature()).substring(1));
break;
case "TPH":
RefTypeOrTPHOrWildcardOrGeneric r = resultSet.resolveType(t).resolvedType;
// der Fall wenn der Typ eine Interface ist, muss betrachtet werden
// der Fall wenn die Type eine Interface ist, muss betrachtet werden
// Deswegen muss in ResutSet noch enthalten werden, ob die Type eine
// Interface oder eine Klasse ist.
// das braucht man nicht es reicht: sv.visitTypeVariable(r.acceptTV(new
// TypeToSignature())
//
String sig2 = r.acceptTV(new TypeToSignature(constraints));
if (r instanceof GenericRefType) {
sv.visitTypeVariable(sig2);
} else if (!(r instanceof TypePlaceholder)) {
if (sig2.contains(SPECIAL_CHAR_FOR_FUN)) {
sv.visitInterface().visitClassType(sig2.substring(1));
// das braucht man nicht es reicht: sv.visitTypeVariable(r.acceptTV(new TypeToSignature())
//
String sig2 = r.acceptTV(new TypeToSignature());
String eqTPH = getEqualTPH(methodConstraints, sig2.substring(1, sig2.length()-1))+"$";
if(!(r instanceof TypePlaceholder)) {
if(sig2.contains("$$")) {
System.out.println(" Signature FUN$$: "+r);
sv.visitInterface().visitClassType(sig2.substring(1, sig2.length()));
} else {
// Kann zwischen GenericRefType und RefType nicht unterscheiden
// Deswegen wird immer geprüft, ob der Name in Generic Maps liegt
String n = sig2.substring(1, sig2.length() - 1);
// if(genericsAndBoundsMethod.containsKey(n) || genericsAndBounds.containsKey(n)) {
// sv.visitTypeVariable(n);
// } else {
sv.visitClassType(n);
sv.visitEnd();
// }
// sv.visitClassType(n);
sv.visitClassType(sig2.substring(1, sig2.length()));
}
} else {
String realName = sig2.substring(1, sig2.length() - 1);
String toVisit = realName+SPECIAL_CHAR;
if(!genericsAndBounds.containsKey(toVisit)) {
Optional<GenericsGeneratorResult> equalTPH = getEqualTPHFromClassConstraints(consClass, realName);
if(equalTPH.isPresent()){
toVisit = equalTPH.get().getConstraint().getLeft() + SPECIAL_CHAR;
} else {
toVisit = getEqualTPH(constraints, realName) + SPECIAL_CHAR;
}
}
sv.visitTypeVariable(toVisit);
System.out.println(r.getClass()+" Signature TPH: "+r.acceptTV(new TypeToSignature()));
sv.visitTypeVariable(eqTPH);
}
break;
case "SWC":
System.out.println("SWC---Signature");
SuperWildcardType swc = (SuperWildcardType) t;
String sigInner = swc.getInnerType().acceptTV(new TypeToSignature(constraints));
int length = sigInner.length();
visitWildCard(sv, sigInner, length, swc.getInnerType(), SUPER_CHAR);
String sigInner = swc.getInnerType().acceptTV(new TypeToSignature());
if(swc.getInnerType() instanceof TypePlaceholder) {
sv.visitTypeArgument('-').visitTypeVariable(sigInner.substring(1, sigInner.length()));
} else if(swc.getInnerType() instanceof RefType) {
if(sigInner.contains("$$")) {
sv.visitTypeArgument('-').visitInterface().visitClassType(sigInner.substring(1,sigInner.length()));
}else {
sv.visitTypeArgument('-').visitClassType(sigInner.substring(1,sigInner.length()));
}
}else {
sv.visitTypeArgument('-').visitTypeVariable(sigInner.substring(1));
}
break;
case "EWC":
System.out.println("EWC---Signature");
ExtendsWildcardType ewc = (ExtendsWildcardType) t;
String esigInner = ewc.getInnerType().acceptTV(new TypeToSignature(constraints));
int lengthEWCSig = esigInner.length();
visitWildCard(sv, esigInner, lengthEWCSig, ewc.getInnerType(), EXTENDS_CHAR);
String esigInner = ewc.getInnerType().acceptTV(new TypeToSignature());
System.out.println(esigInner);
if(ewc.getInnerType() instanceof TypePlaceholder) {
sv.visitTypeArgument('+').visitTypeVariable(esigInner.substring(1, esigInner.length()));
} else if(ewc.getInnerType() instanceof RefType) {
if(esigInner.contains("$$")) {
sv.visitTypeArgument('+').visitInterface().visitClassType(esigInner.substring(1,esigInner.length()));
}else {
// sv.visitClassType(esigInner.substring(1,esigInner.length()));
sv.visitTypeArgument('+').visitClassType(esigInner.substring(1,esigInner.length()));
}
}else {
sv.visitTypeArgument('+').visitTypeVariable(esigInner.substring(1));
}
break;
default:
// if (!sv)
// sv.visitBaseType('V');
if(!isParameterType)
sv.visitBaseType('V');
break;
}
}
private void visitWildCard(SignatureVisitor sv, String sigInner, int length, RefTypeOrTPHOrWildcardOrGeneric innerType, char superOrExtendsChar) {
if (innerType instanceof TypePlaceholder) {
sv.visitTypeArgument(superOrExtendsChar).visitTypeVariable(sigInner.substring(1, length));
} else if (innerType instanceof RefType) {
checkInnerSignatureOfWildCard(sv, sigInner, length, superOrExtendsChar);
} else {
sv.visitTypeArgument(superOrExtendsChar).visitTypeVariable(sigInner.substring(1));
}
}
private void checkInnerSignatureOfWildCard(SignatureVisitor sv, String sigInner, int length, char superOrExtendsChar) {
if (sigInner.contains(SPECIAL_CHAR_FOR_FUN)) {
sv.visitTypeArgument(superOrExtendsChar).visitInterface().visitClassType(sigInner.substring(1, length));
} else {
sv.visitTypeArgument(superOrExtendsChar).visitClassType(sigInner.substring(1, length));
}
}
private Optional<GenericsGeneratorResult> getEqualTPHFromClassConstraints(List<GenericsGeneratorResult> consClass, String tph) {
return consClass.stream()
.filter(c -> c.getConstraint().getLeft().equals(tph) || c.getEqualsTPHs().contains(tph))
.findFirst();
}
private String getEqualTPH(List<GenericsGeneratorResult> constraints2, String tph) {
return constraints2.stream()
.filter(c -> c.getConstraint().getLeft().equals(tph) || c.getEqualsTPHs().contains(tph))
.findFirst().get().getConstraint().getLeft();
}
/**
* Creates signature for class or interface with {@link SignatureWriter}
* Signature looks like: <typevaliables (K:Ljava/lang/Object
* "Bounds")>superclass
* Signature looks like:
* <typevaliables (K:Ljava/lang/Object "Bounds")>superclass
*/
public String createSignatureForClassOrInterface() {
defineTypeVariablesForClassOrInterface();
defineGenericsFromConstraints(consClass,genericsAndBounds);
String sClass = classOrInterface.getSuperClass().acceptTV(new TypeToSignature());
sw.visitSuperclass().visitClassType(sClass.substring(1, sClass.length() - 1));
sw.visitEnd();
return sw.toString();
}
private void defineTypeVariablesForClassOrInterface() {
private void createSignatureForClassOrInterface() {
Iterator<GenericTypeVar> itr = classOrInterface.getGenerics().iterator();
while (itr.hasNext()) {
while(itr.hasNext()) {
GenericTypeVar g = itr.next();
visitTypeVarsAndTheirBounds(g, genericsAndBounds);
getBoundsOfTypeVar(g,genericsAndBounds);
}
}
/**
* @param genericsAndBounds2
*
*/
private void defineGenericsFromConstraints(List<GenericsGeneratorResult> constraints, HashMap<String,String> genericsAndBounds2) {
constraints.forEach(c -> {
String typeVariable = c.getConstraint().getLeft() + SPECIAL_CHAR;
sw.visitFormalTypeParameter(typeVariable);
String bound = c.getConstraint().getRight();
bound = checkBound(bound);
genericsAndBounds2.put(typeVariable, bound);
});
}
/**
* @param bound
* @return
*/
private String checkBound(String bound) {
if (bound.equals(Type.getInternalName(Object.class))) {
visitClassBound(bound);
} else {
bound += SPECIAL_CHAR;
sw.visitClassBound().visitTypeVariable(bound);
if(!consClass.isEmpty()) {
ArrayList<String> types = new ArrayList<>();
ArrayList<String> superTypes = new ArrayList<>();
for(TPHConstraint cons : consClass) {
types.add(cons.getLeft());
superTypes.add(cons.getRight());
}
for(TPHConstraint cons : consClass) {
String t = cons.getLeft()+"$";
String bound = cons.getRight()+"$";
sw.visitFormalTypeParameter(t);
sw.visitClassBound().visitTypeVariable(bound);
genericsAndBounds.put(t, bound);
}
for(TPHConstraint cons : consClass) {
if(!types.contains(cons.getRight())) {
String t = cons.getRight()+"$";
String bound = Type.getInternalName(Object.class);
sw.visitFormalTypeParameter(t);
sw.visitClassBound().visitClassType(bound);
genericsAndBounds.put(t, bound);
sw.visitClassBound().visitEnd();
}
}
}
return bound;
/*if(!commonPairs.isEmpty()) {
ArrayList<TypePlaceholder> types = new ArrayList<>();
ArrayList<TypePlaceholder> superTypes = new ArrayList<>();
for(GenericInsertPair p : commonPairs) {
types.add(p.TA1);
superTypes.add(p.TA2);
}
for(GenericInsertPair p : commonPairs) {
String t = p.TA1.getName()+"$";
String bound = p.TA2.getName()+"$";
sw.visitFormalTypeParameter(t);
sw.visitClassBound().visitTypeVariable(bound);
genericsAndBounds.put(t, bound);
}
for(GenericInsertPair p : commonPairs) {
if(!types.contains(p.TA2)) {
String t = p.TA2.getName()+"$";
String bound = Type.getInternalName(Object.class);
sw.visitFormalTypeParameter(t);
sw.visitClassBound().visitClassType(bound);
genericsAndBounds.put(t, bound);
sw.visitClassBound().visitEnd();
}
}
}
for(TypePlaceholder t : tphsClass) {
String n = t.getName()+"$";
String bound = Type.getInternalName(Object.class);
sw.visitFormalTypeParameter(n);
sw.visitClassBound().visitClassType(bound);
genericsAndBounds.put(n, bound);
sw.visitClassBound().visitEnd();
}*/
String sClass = classOrInterface.getSuperClass().acceptTV(new TypeToSignature());
sw.visitSuperclass().visitClassType(sClass.substring(1, sClass.length()-1));
sw.visitEnd();
}
/**
* @param bound
*/
private void visitClassBound(String bound) {
sw.visitClassBound().visitClassType(bound);
sw.visitClassBound().visitEnd();
}
/**
* Get bounds of type variable
*
* @param g type variable
* @param genAndBounds
* @param g type variable
* @param genAndBounds
*/
private void visitTypeVarsAndTheirBounds(GenericTypeVar g, HashMap<String, String> genAndBounds) {
private void getBoundsOfTypeVar(GenericTypeVar g, HashMap<String, String> genAndBounds) {
sw.visitFormalTypeParameter(g.getName());
Iterator<? extends RefTypeOrTPHOrWildcardOrGeneric> bItr = g.getBounds().iterator();
while (bItr.hasNext()) {
RefTypeOrTPHOrWildcardOrGeneric b = bItr.next();
Iterator<? extends RefTypeOrTPHOrWildcardOrGeneric> bItr = g.getBounds().iterator();
while(bItr.hasNext()) {
RefTypeOrTPHOrWildcardOrGeneric b =bItr.next();
String boundDesc = b.acceptTV(new TypeToDescriptor());
// System.out.println("GetBounds: " + boundDesc);
// Ensure that <...> extends java.lang.Object OR ...
if (b instanceof GenericRefType) {
sw.visitClassBound().visitTypeVariable(boundDesc);
} else {
visitClassBound(boundDesc);
}
sw.visitClassBound().visitClassType(boundDesc);
genAndBounds.put(g.getName(), boundDesc);
}
sw.visitClassBound().visitEnd();
}
@Override
public String toString() {
if(sw == null)
return super.toString();
return sw.toString();
}
}

@ -1,11 +1,8 @@
package de.dhbwstuttgart.bytecode.signature;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Optional;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericsGeneratorResult;
import de.dhbwstuttgart.exceptions.NotImplementedException;
import de.dhbwstuttgart.syntaxtree.type.ExtendsWildcardType;
import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
import de.dhbwstuttgart.syntaxtree.type.RefType;
@ -15,15 +12,6 @@ import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import de.dhbwstuttgart.syntaxtree.type.TypeVisitor;
public class TypeToSignature implements TypeVisitor<String> {
private List<GenericsGeneratorResult> constraints;
public TypeToSignature() {
this.constraints = new ArrayList<>();
}
public TypeToSignature(List<GenericsGeneratorResult> constraints) {
this.constraints = constraints;
}
@Override
public String visit(RefType refType) {
@ -45,7 +33,7 @@ public class TypeToSignature implements TypeVisitor<String> {
// } else {
// params += "L"+param.toString().replace(".", "/");
// }
params += param.acceptTV(new TypeToSignature(constraints));
params += param.acceptTV(new TypeToSignature());
if(param instanceof TypePlaceholder)
params += ";";
@ -60,7 +48,7 @@ public class TypeToSignature implements TypeVisitor<String> {
@Override
public String visit(SuperWildcardType superWildcardType) {
// throw new NotImplementedException();
String sig = "-" + superWildcardType.getInnerType().acceptTV(new TypeToSignature(constraints));
String sig = "-" + superWildcardType.getInnerType().acceptTV(new TypeToSignature());
if(superWildcardType.getInnerType() instanceof TypePlaceholder)
sig += ";";
return sig;
@ -69,21 +57,13 @@ public class TypeToSignature implements TypeVisitor<String> {
@Override
public String visit(TypePlaceholder typePlaceholder) {
// return typePlaceholder.toString().replace(".", "/");
String name = typePlaceholder.getName();
if(!constraints.isEmpty()){
Optional<GenericsGeneratorResult> equalName = getEqualTPHFromClassConstraints(constraints, name);
if(equalName.isPresent())
name = equalName.get().getConstraint().getLeft();
}
return "T" + name + "$";
return "T" + typePlaceholder.getName() + "$";
}
@Override
public String visit(ExtendsWildcardType extendsWildcardType) {
// throw new NotImplementedException();
String sig = "+" + extendsWildcardType.getInnerType().acceptTV(new TypeToSignature(constraints));
String sig = "+" + extendsWildcardType.getInnerType().acceptTV(new TypeToSignature());
if(extendsWildcardType.getInnerType() instanceof TypePlaceholder)
sig += ";";
return sig;
@ -93,10 +73,5 @@ public class TypeToSignature implements TypeVisitor<String> {
public String visit(GenericRefType genericRefType) {
return genericRefType.getParsedName().replace(".", "/");
}
private Optional<GenericsGeneratorResult> getEqualTPHFromClassConstraints(List<GenericsGeneratorResult> listOfConstraints, String tph) {
return listOfConstraints.stream()
.filter(c -> c.getConstraint().getLeft().equals(tph) || c.getEqualsTPHs().contains(tph))
.findFirst();
}
}

@ -1,50 +0,0 @@
/**
*
*/
package de.dhbwstuttgart.bytecode.simplifyRes;
import java.util.ArrayList;
import java.util.List;
import java.util.NoSuchElementException;
/**
* The simplify results of a source file (package)
*
* @author fayez
*
*/
public class GenericGenratorResultForSourceFile {
private String pkgName;
private final List<GenericsGeneratorResultForClass> genericGeneratorResultForAllClasses = new ArrayList<>();
/**
* @param pkgName
*/
public GenericGenratorResultForSourceFile(String pkgName) {
this.pkgName = pkgName;
}
public List<GenericsGeneratorResultForClass> getGenericGeneratorResultForAllClasses() {
return genericGeneratorResultForAllClasses;
}
/**
* Appends the simplify results of a class to simplifyResForSF
*
* @param sResClass simplify results of a class to added
*/
public void addGenericGeneratorResultClass(GenericsGeneratorResultForClass sResClass) {
genericGeneratorResultForAllClasses.add(sResClass);
}
public GenericsGeneratorResultForClass getSimplifyResultsByName(String pkgName, String name) {
for (int i = 0; i < genericGeneratorResultForAllClasses.size(); i++) {
GenericsGeneratorResultForClass genericsGeneratorResult = genericGeneratorResultForAllClasses.get(i);
if (genericsGeneratorResult.getClassName().equals(name)) {
return genericsGeneratorResult;
}
}
return new GenericsGeneratorResultForClass(name);
}
}

@ -1,75 +0,0 @@
/**
*
*/
package de.dhbwstuttgart.bytecode.simplifyRes;
import java.util.Collections;
import java.util.List;
import com.google.common.base.Optional;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericGeneratorResultsForAllMethods;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericsGeneratorResult;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.MethodAndConstraints;
/**
* @author fayez
*
*/
public class GenericsGeneratorResultForClass {
private final String className;
private final List<GenericsGeneratorResult> classConstraints;
private final GenericGeneratorResultsForAllMethods methodsAndTheirConstraints;
public GenericsGeneratorResultForClass(String className) {
this(className, Collections.emptyList(), new GenericGeneratorResultsForAllMethods());
}
/**
* @param className
* @param classConstraints
* @param methodsAndTheirConstraints
*/
public GenericsGeneratorResultForClass(String className, List<GenericsGeneratorResult> classConstraints,
GenericGeneratorResultsForAllMethods methodsAndTheirConstraints) {
this.className = className;
this.classConstraints = classConstraints;
this.methodsAndTheirConstraints = methodsAndTheirConstraints;
}
/**
* @return the className
*/
public String getClassName() {
return className;
}
/**
* @return the classConstraints
*/
public List<GenericsGeneratorResult> getClassConstraints() {
return classConstraints;
}
/**
* @return the methodsAndTheirConstraints
*/
public GenericGeneratorResultsForAllMethods getMethodsAndTheirConstraints() {
return methodsAndTheirConstraints;
}
public boolean contains(String id) {
return methodsAndTheirConstraints.getMethodsAndConstraints().stream().map(mc -> mc.getMethodID())
.anyMatch(i -> i.equals(id));
}
public List<GenericsGeneratorResult> getMethodConstraintsByID(String id) {
java.util.Optional<MethodAndConstraints> methodAndConstraints = methodsAndTheirConstraints.getMethodsAndConstraints().stream().filter(mc -> mc.getMethodID().equals(id))
.findFirst();
return methodAndConstraints.isPresent() ? methodAndConstraints.get().getConstraints() : Collections.emptyList();
}
}

@ -1,94 +0,0 @@
package de.dhbwstuttgart.bytecode.utilities;
import de.dhbwstuttgart.bytecode.signature.Signature;
import de.dhbwstuttgart.syntaxtree.FormalParameter;
import de.dhbwstuttgart.syntaxtree.statement.ArgumentList;
import de.dhbwstuttgart.syntaxtree.statement.Expression;
import de.dhbwstuttgart.syntaxtree.statement.LambdaExpression;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.Type;
import org.objectweb.asm.signature.SignatureVisitor;
import org.objectweb.asm.signature.SignatureWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Iterator;
public class ByteCodeForFunNGenerator {
public static void generateBCForFunN(LambdaExpression lambdaExpression, String methDesc, File path) {
ClassWriter classWriter = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
SignatureWriter methSig = new SignatureWriter();
int numberOfParams = 0;
SignatureVisitor paramVisitor = methSig.visitParameterType();
Iterator<FormalParameter> itr = lambdaExpression.params.iterator();
while (itr.hasNext()) {
numberOfParams++;
// getBounds
paramVisitor.visitTypeVariable(CONSTANTS.T + numberOfParams);
itr.next();
}
methSig.visitReturnType().visitTypeVariable(CONSTANTS.R);
// ")"+lam.getReturn.getBounds
Signature sig = new Signature(numberOfParams);
String name = CONSTANTS.FUN + numberOfParams + CONSTANTS.$$;
classWriter.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC+Opcodes.ACC_INTERFACE + Opcodes.ACC_ABSTRACT, name, sig.toString(),
Type.getInternalName(Object.class), null);
MethodVisitor mvApply = classWriter.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_ABSTRACT, "apply", methDesc,
methSig.toString(), null);
mvApply.visitEnd();
writeClassFile(classWriter.toByteArray(), name, path);
}
public static void generateBCForFunN(ArgumentList argumentList, String methDesc, File path) {
ClassWriter classWriter = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
SignatureWriter methSig = new SignatureWriter();
int numberOfParams = 0;
SignatureVisitor paramVisitor = methSig.visitParameterType();
Iterator<Expression> itr1 = argumentList.getArguments().iterator();
while(itr1.hasNext()) {
numberOfParams++;
// getBounds
paramVisitor.visitTypeVariable(CONSTANTS.T + numberOfParams);
itr1.next();
}
methSig.visitReturnType().visitTypeVariable(CONSTANTS.R);
// ")"+lam.getReturn.getBounds
Signature sig = new Signature(numberOfParams);
String name = CONSTANTS.FUN + numberOfParams + CONSTANTS.$$;
classWriter.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC+Opcodes.ACC_INTERFACE + Opcodes.ACC_ABSTRACT, name, sig.toString(),
Type.getInternalName(Object.class), null);
MethodVisitor mvApply = classWriter.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_ABSTRACT, "apply", methDesc,
methSig.toString(), null);
mvApply.visitEnd();
writeClassFile(classWriter.toByteArray(), name, path);
}
public static void writeClassFile(byte[] bytecode, String name, File path) {
FileOutputStream output;
try {
System.out.println("generating " + name + ".class file...");
output = new FileOutputStream(
new File(path , name + CONSTANTS.EXTENSIONCLASS));
output.write(bytecode);
output.close();
System.out.println(name + ".class file generated");
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}

@ -1,22 +0,0 @@
package de.dhbwstuttgart.bytecode.utilities;
public interface CONSTANTS {
String VOID = "void";
String TPH = "TPH ";
String ANGLEBRACKET = "<";
String FUN = "Fun";
String EXTENSIONCLASS = ".class";
String $$ = "$$";
String T = "T";
String R = "R";
String DESUGAREDMETHODNAME = "lambda$new$";
String REFTYPE_BYTE = "java/lang/Byte";
String REFTYPE_SHORT = "java/lang/Short";
String REFTYPE_INTEGER = "java/lang/Integer";
String REFTYPE_LONG = "java/lang/Long";
String REFTYPE_DOUBLE = "java/lang/Double";
String REFTYPE_FLOAT = "java/lang/Float";
String REFTYPE_STRING = "java/lang/String";
String TO_STRING = "toString";
}

@ -1,53 +0,0 @@
package de.dhbwstuttgart.bytecode.utilities;
import java.util.ArrayList;
import java.util.List;
import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
import de.dhbwstuttgart.bytecode.constraint.TPHConstraint.Relation;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.ConstraintsWithSameLeftSide;
public class ConstraintsFinder {
private List<TPHConstraint> allConstaints;
public ConstraintsFinder(List<TPHConstraint> allConstaints) {
this.allConstaints = allConstaints;
}
public List<ConstraintsWithSameLeftSide> findConstraints() {
List<ConstraintsWithSameLeftSide> result = new ArrayList<>();
List<TPHConstraint> visitedCons = new ArrayList<>();
for(TPHConstraint c : allConstaints) {
if(c.getRel() == Relation.EXTENDS) {
// get constraints with the same left side
List<TPHConstraint> cons = getConstraints(c,visitedCons);
if(cons.size()>1) {
ConstraintsWithSameLeftSide consWithSameLeftSide = new ConstraintsWithSameLeftSide(cons);
result.add(consWithSameLeftSide);
}
}
}
return result;
}
private List<TPHConstraint> getConstraints(TPHConstraint c, List<TPHConstraint> visitedCons) {
List<TPHConstraint> res = new ArrayList<>();
for(TPHConstraint cons : allConstaints) {
if(!isVisited(cons,visitedCons) && cons.getLeft().equals(c.getLeft())) {
res.add(cons);
visitedCons.add(cons);
}
}
return res;
}
private boolean isVisited(TPHConstraint cons, List<TPHConstraint> visitedCons) {
for(TPHConstraint c : visitedCons) {
if(c.getLeft().equals(cons.getLeft()) && c.getRight().equals(cons.getRight()))
return true;
}
return false;
}
}

@ -1,5 +1,6 @@
package de.dhbwstuttgart.bytecode.utilities;
import de.dhbwstuttgart.exceptions.NotImplementedException;
import de.dhbwstuttgart.syntaxtree.statement.*;
import java.util.ArrayList;
@ -18,8 +19,7 @@ public class KindOfLambda implements StatementVisitor{
private boolean isInstanceCapturingLambda = false;
private List<RefTypeOrTPHOrWildcardOrGeneric> argumentList = new ArrayList<>();
private ArrayList<String> usedVars = new ArrayList<>();
private ArrayList<String> varsFromInnerLambdas = new ArrayList<>();
private boolean thisUsed = false;
private boolean hasThis = false;
private ArrayList<String> definedLocals = new ArrayList<>();
public KindOfLambda(LambdaExpression lambdaExpression) {
@ -40,20 +40,19 @@ public class KindOfLambda implements StatementVisitor{
return argumentList;
}
public boolean isThisUsed() {
return thisUsed;
public boolean isHasThis() {
return hasThis;
}
@Override
public void visit(ArgumentList argumentList) {
argumentList.getArguments().forEach(a->a.accept(this));
// TODO Auto-generated method stub
}
@Override
public void visit(LambdaExpression lambdaExpression) {
lambdaExpression.params.getFormalparalist().forEach(p->varsFromInnerLambdas.add(p.getName()));
lambdaExpression.methodBody.accept(this);
}
@Override
@ -112,11 +111,9 @@ public class KindOfLambda implements StatementVisitor{
@Override
public void visit(LocalVar localVar) {
boolean addVar = !contain(params, localVar.name) && !definedLocals.contains(localVar.name) &&
!varsFromInnerLambdas.contains(localVar.name) && !usedVars.contains(localVar.name);
if(addVar) {
if(!contain(params, localVar.name) && !definedLocals.contains(localVar.name)) {
argumentList.add(localVar.getType());
if(thisUsed) {
if(hasThis) {
usedVars.add(1, localVar.name);
} else {
usedVars.add(0, localVar.name);
@ -144,13 +141,12 @@ public class KindOfLambda implements StatementVisitor{
@Override
public void visit(MethodCall methodCall) {
methodCall.receiver.accept(this);
methodCall.arglist.accept(this);
}
@Override
public void visit(NewClass methodCall) {
methodCall.receiver.accept(this);
methodCall.arglist.accept(this);
// TODO Auto-generated method stub
}
@Override
@ -194,8 +190,8 @@ public class KindOfLambda implements StatementVisitor{
@Override
public void visit(This aThis) {
if(!thisUsed) {
thisUsed = true;
if(!hasThis) {
hasThis = true;
this.argumentList.add(0,aThis.getType());
}
if(!isInstanceCapturingLambda) {

@ -2,41 +2,28 @@ package de.dhbwstuttgart.bytecode.utilities;
import java.util.ArrayList;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import de.dhbwstuttgart.typeinference.result.GenericInsertPair;
import de.dhbwstuttgart.typeinference.result.ResultPair;
public class MethodAndTPH {
private String id;
private String name;
private final ArrayList<String> tphs = new ArrayList<>();
//private final ArrayList<GenericInsertPair> pairs = new ArrayList<>();
private final ArrayList<ResultPair<TypePlaceholder, TypePlaceholder>> pairs = new ArrayList<>();
// tphs of local variables and parameters
private final ArrayList<String> localTphs = new ArrayList<>();
private final ArrayList<GenericInsertPair> pairs = new ArrayList<>();
public MethodAndTPH(String name) {
this.id = name;
this.name = name;
}
public ArrayList<String> getTphs() {
return tphs;
}
// public ArrayList<GenericInsertPair> getPairs(){
// return pairs;
// }
public ArrayList<ResultPair<TypePlaceholder, TypePlaceholder>> getPairs(){
public ArrayList<GenericInsertPair> getPairs(){
return pairs;
}
public String getId() {
return id;
public String getName() {
return name;
}
public ArrayList<String> getLocalTphs() {
return localTphs;
}
}

@ -1,244 +0,0 @@
/**
*
*/
package de.dhbwstuttgart.bytecode.utilities;
import de.dhbwstuttgart.bytecode.Exception.NotInCurrentPackageException;
import de.dhbwstuttgart.bytecode.descriptor.DescriptorToString;
import de.dhbwstuttgart.bytecode.descriptor.TypeToDescriptor;
import de.dhbwstuttgart.bytecode.signature.TypeToSignature;
import de.dhbwstuttgart.syntaxtree.*;
import de.dhbwstuttgart.syntaxtree.statement.Expression;
import de.dhbwstuttgart.syntaxtree.statement.MethodCall;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import de.dhbwstuttgart.typeinference.result.ResultSet;
import javassist.NotFoundException;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import java.io.File;
import java.util.*;
/**
* @author fayez
*
*/
public class MethodCallHelper {
private MethodCall methCall;
private SourceFile sourceFile;
private ResultSet resultSet;
private File path;
/**
* @param methCall
* @param sourceFile
* @param resultSet
* @param path TODO
*/
public MethodCallHelper(MethodCall methCall, SourceFile sourceFile, ResultSet resultSet, File path) {
this.methCall = methCall;
this.sourceFile = sourceFile;
this.resultSet = resultSet;
this.path = path;
}
public String getResolvedType(RefTypeOrTPHOrWildcardOrGeneric type) {
return resultSet.resolveType(type).resolvedType.acceptTV(new TypeToDescriptor());
}
public boolean isInCurrPkg(String className) {
for (ClassOrInterface cl : sourceFile.KlassenVektor) {
if (className.equals(cl.getClassName().toString()))
return true;
}
return false;
}
public String getSuperClass(String className) throws NotInCurrentPackageException {
for (ClassOrInterface cl : sourceFile.getClasses()) {
if (className.equals(cl.getClassName().toString())) {
return cl.getSuperClass().getName().toString();
}
}
throw new NotInCurrentPackageException("Class " + className + " is not in the current package.");
}
public ClassOrInterface getClassFromCurrPkg(String className) throws NotInCurrentPackageException {
for (ClassOrInterface cl : sourceFile.KlassenVektor) {
if (className.equals(cl.getClassName().toString()))
return cl;
}
throw new NotInCurrentPackageException("Class of " + className + " is not in the current package.");
}
public String getDesc(String className) throws NotInCurrentPackageException, NotFoundException {
String name = methCall.name;
ClassOrInterface clazz = getClassFromCurrPkg(className);
String retType = getResolvedType(methCall.getType());
ArrayList<String> params = getTypes(methCall.arglist.getArguments());
Map<String, String> genAndBoundsClass = getGenericsAndBounds(clazz.getGenerics());
modifyGenAndBounds(genAndBoundsClass);
for (Method m : clazz.getMethods()) {
if (name.equals(m.getName()) && retType.equals(getResolvedType(m.getReturnType()))) {
ArrayList<String> paramsOfM = getTypes(m.getParameterList());
if(areEquals(params,paramsOfM)) {
Map<String, String> genAndBoundsMethod = getGenericsAndBoundsMethod(m.getGenerics());
modifyGenAndBounds(genAndBoundsMethod);
boolean hasGen = hasGen(m, genAndBoundsClass);
NormalMethod nm = new NormalMethod(m, (HashMap<String, String>) genAndBoundsClass,
(HashMap<String, String>) genAndBoundsMethod, hasGen);
return nm.accept(new DescriptorToString(resultSet));
}
}
}
throw new NotFoundException("Method " + name + " is not found");
}
private boolean areEquals(ArrayList<String> params, ArrayList<String> paramsOfM) {
if(params.size() != paramsOfM.size())
return false;
for(String t : params) {
for(String t2 : paramsOfM) {
if(!t.equals(t2))
return false;
}
}
return true;
}
private ArrayList<String> getTypes(ParameterList parameterList) {
Iterator<FormalParameter> itr = parameterList.iterator();
ArrayList<String> typeList = new ArrayList<>();
while (itr.hasNext()) {
FormalParameter fp = itr.next();
String t = getResolvedType(fp.getType());
typeList.add(t);
}
return typeList;
}
private ArrayList<String> getTypes(List<Expression> arguments) {
ArrayList<String> types = new ArrayList<>();
for(int i = 0; i<arguments.size(); ++i) {
String t = getResolvedType(arguments.get(i).getType());
types.add(t);
}
return types;
}
private boolean hasGen(Method m, Map<String, String> genericsAndBounds) {
String retType = resultSet.resolveType(m.getReturnType()).resolvedType.acceptTV(new TypeToSignature());
/*Prüfe, ob die Rückgabe-Type der Methode eine Type-Variable ist*/
boolean hasGenInParameterList = genericsAndBounds.containsKey(retType) || retType.contains("TPH ") || retType.contains("<");
Map<String,RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes = new HashMap<>();
Iterator<FormalParameter> itr = m.getParameterList().iterator();
while(itr.hasNext()) {
FormalParameter fp = itr.next();
methodParamsAndTypes.put(fp.getName(), resultSet.resolveType(fp.getType()).resolvedType);
}
/*Wenn die Rückgabe-Type eine Typ-variable ist, erzeuge direkt die Signature, wenn nicht,
* prüfe, ob einer der Parameter Typ-Variable als Typ hat*/
if(!hasGenInParameterList) {
for(String paramName : methodParamsAndTypes.keySet()) {
String typeOfParam = methodParamsAndTypes.get(paramName).acceptTV(new TypeToDescriptor());
String sigOfParam = methodParamsAndTypes.get(paramName).acceptTV(new TypeToSignature());
if(genericsAndBounds.containsKey(typeOfParam)||typeOfParam.contains("TPH ")||sigOfParam.contains("<")) {
hasGenInParameterList = true;
break;
}
}
}
return m.getGenerics().iterator().hasNext() || hasGenInParameterList;
}
private Map<String, String> getGenericsAndBoundsMethod(Iterable<? extends GenericTypeVar> generics) {
Map<String, String> genAndBounds = new HashMap<>();
Iterator<? extends GenericTypeVar> itr = generics.iterator();
while (itr.hasNext()) {
GenericTypeVar gtv = itr.next();
getBoundsOfTypeVar(gtv, genAndBounds);
}
return genAndBounds;
}
private void modifyGenAndBounds(Map<String, String> genAndBoundsClass) {
List<String> visited = new ArrayList<>(genAndBoundsClass.size());
Map<String, String> toReplace = new HashMap<>();
for (String tv : genAndBoundsClass.keySet()) {
if (visited.contains(tv))
continue;
List<String> types = new LinkedList<>();
String bound = genAndBoundsClass.get(tv);
types.add(tv);
visited.add(tv);
boolean doReplace = false;
while (genAndBoundsClass.keySet().contains(bound)) {
doReplace = true;
types.add(bound);
visited.add(bound);
bound = genAndBoundsClass.get(bound);
}
if (doReplace) {
for (String tt : types) {
toReplace.put(tt, bound);
}
}
}
for (String key : toReplace.keySet()) {
genAndBoundsClass.replace(key, toReplace.get(key));
}
}
private Map<String, String> getGenericsAndBounds(GenericDeclarationList generics) {
Map<String, String> genAndBounds = new HashMap<>();
Iterator<GenericTypeVar> itr = generics.iterator();
while (itr.hasNext()) {
GenericTypeVar gtv = itr.next();
getBoundsOfTypeVar(gtv, genAndBounds);
}
return genAndBounds;
}
private void getBoundsOfTypeVar(GenericTypeVar g, Map<String, String> genAndBounds) {
Iterator<? extends RefTypeOrTPHOrWildcardOrGeneric> bItr = g.getBounds().iterator();
while (bItr.hasNext()) {
RefTypeOrTPHOrWildcardOrGeneric b = bItr.next();
String boundDesc = b.acceptTV(new TypeToDescriptor());
genAndBounds.put(g.getName(), boundDesc);
}
}
public void generateBCForFunN(String methodDescriptor) {
ByteCodeForFunNGenerator.generateBCForFunN(methCall.arglist,methodDescriptor,path);
}
public String getDescriptorOfApplyMethod(String methodCallType) {
return new DescriptorToString().createDescForFunN(methCall.arglist, methodCallType);
}
/**
* @param methodCall
*/
public void createCheckCast(MethodCall methodCall, MethodVisitor mv) {
String checkCast = getResolvedType(methodCall.getType());
if(!checkCast.contains("TPH ")) {
int pos = checkCast.length();
if(checkCast.contains("<"))
pos = checkCast.indexOf("<");
mv.visitTypeInsn(Opcodes.CHECKCAST,checkCast.substring(0,pos));
}
}
}

@ -23,7 +23,6 @@ public class MethodFromMethodCall {
this.genericsAndBounds = genericsAndBounds;
}
public ArgumentList getArgList() {
return argList;
}

@ -1,34 +0,0 @@
/**
*
*/
package de.dhbwstuttgart.bytecode.utilities;
import java.util.Iterator;
import de.dhbwstuttgart.syntaxtree.FormalParameter;
import de.dhbwstuttgart.syntaxtree.Method;
/**
* @author fayez
*
*/
public class MethodUtility {
/**
* Creates an ID for a method
*
* @param resolver type Resolver
* @param method for which the ID will be generated
* @return ID for the given method.
* ID = ReturntypeMethodname(Parametertypes)
*/
public static String createID(Resolver resolver, Method method) {
String id = resolver.getResolvedType(method.getReturnType()) + method.name + "(";
Iterator<FormalParameter> itr = method.getParameterList().iterator();
while (itr.hasNext()) {
FormalParameter fp = itr.next();
id += resolver.getResolvedType(fp.getType());
}
id += ")";
return id;
}
}

@ -1,145 +0,0 @@
package de.dhbwstuttgart.bytecode.utilities;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Stream;
import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.NameReplacementResult;
import de.dhbwstuttgart.syntaxtree.factory.NameGenerator;
public class NameReplacer {
//TODO rename
private List<TPHConstraint> constraints;
private List<TPHConstraint> allConstraints;
private List<MethodAndTPH> methodAndTPHs;
// TODO rename into tphClass
private List<String> tphs;
private List<String> localTphs;
public NameReplacer(List<TPHConstraint> constraints, List<TPHConstraint> allConstraints,List<String> tphs, ArrayList<String> localTphs) {
super();
this.constraints = constraints;
this.allConstraints = allConstraints;
this.tphs = tphs;
this.localTphs = localTphs;
}
public NameReplacer(List<TPHConstraint> constraints, List<TPHConstraint> allConstraints,List<String> tphs) {
super();
this.constraints = constraints;
this.allConstraints = allConstraints;
this.tphs = tphs;
}
public NameReplacer(List<TPHConstraint> constraints, List<TPHConstraint> allConstraints) {
this.constraints = constraints;
this.allConstraints = allConstraints;
}
public NameReplacer(List<TPHConstraint> constraints, List<TPHConstraint> allConstraints, List<MethodAndTPH> methodAndTPHs,
List<String> tphsClass) {
this.constraints = constraints;
this.allConstraints = allConstraints;
this.methodAndTPHs = methodAndTPHs;
this.tphs = tphsClass;
}
public NameReplacementResult replaceNames() {
String newName = NameGenerator.makeNewName();
List<String> names = new ArrayList<>();
substituteRightSidesWithNewName(newName, names);
substituteNamesInAllConstraints(newName, names);
Stream<ArrayList<String>> tphsOfMethods = methodAndTPHs.stream().map(m->m.getTphs());
Stream<ArrayList<String>> localTphsOfMethods = methodAndTPHs.stream().map(m->m.getLocalTphs());
replaceOldNames(newName, names, tphsOfMethods);
replaceOldNames(newName, names, localTphsOfMethods);
if(tphs.removeAll(names))
tphs.add(newName);
NameReplacementResult res = new NameReplacementResult(newName, names);
return res;
}
/**
* @param newName
* @param names
* @param tphsOfMethods
*/
public void replaceOldNames(final String newName, final List<String> names, Stream<ArrayList<String>> tphsOfMethods) {
tphsOfMethods.forEach(tphsMethod->{
if(tphsMethod.removeAll(names))
tphsMethod.add(newName);
});
}
public NameReplacementResult replaceNamesLocal() {
String newName = NameGenerator.makeNewName();
List<String> names = new ArrayList<>();
substituteRightSidesWithNewName(newName, names);
substituteNamesInAllConstraints(newName, names);
tphs.removeAll(names);
tphs.add(newName);
NameReplacementResult res = new NameReplacementResult(newName, names);
return res;
}
/**
* @param newName
* @param names
*/
public void substituteNamesInAllConstraints(String newName, List<String> names) {
for(TPHConstraint cons : allConstraints) {
if(names.contains(cons.getLeft()))
cons.setLeft(newName);
if(names.contains(cons.getRight()))
cons.setRight(newName);
}
}
/**
* @param newName
* @param names
*/
public void substituteRightSidesWithNewName(String newName, List<String> names) {
for(TPHConstraint cons : constraints) {
names.add(cons.getRight());
cons.setRight(newName);
}
}
public Map<String, List<String>> replaceNamesWithLocals() {
String newName = NameGenerator.makeNewName();
ArrayList<String> names = new ArrayList<>();
for(TPHConstraint cons : constraints) {
names.add(cons.getRight());
cons.setRight(newName);
}
for(TPHConstraint cons : allConstraints) {
if(names.contains(cons.getLeft()))
cons.setLeft(newName);
if(names.contains(cons.getRight()))
cons.setRight(newName);
}
tphs.removeAll(names);
tphs.add(newName);
localTphs.removeAll(names);
localTphs.add(newName);
HashMap<String, List<String>> res = new HashMap<>();
res.put(newName, names);
return res;
}
}

@ -1,28 +0,0 @@
/**
*
*/
package de.dhbwstuttgart.bytecode.utilities;
import de.dhbwstuttgart.bytecode.descriptor.TypeToDescriptor;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import de.dhbwstuttgart.typeinference.result.ResultSet;
/**
* @author fayez
*
*/
public class Resolver {
private ResultSet resultSet;
/**
* @param resultSet
*/
public Resolver(ResultSet resultSet) {
this.resultSet = resultSet;
}
public String getResolvedType(RefTypeOrTPHOrWildcardOrGeneric type) {
return resultSet.resolveType(type).resolvedType.acceptTV(new TypeToDescriptor());
}
}

@ -0,0 +1,651 @@
package de.dhbwstuttgart.bytecode.utilities;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import org.objectweb.asm.Type;
import de.dhbwstuttgart.bytecode.TPHExtractor;
import de.dhbwstuttgart.bytecode.constraint.EqualConstraint;
import de.dhbwstuttgart.bytecode.constraint.ExtendsConstraint;
import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
import de.dhbwstuttgart.bytecode.constraint.TPHConstraint.Relation;
import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
public class Simplify {
public static HashMap<TPHConstraint, HashSet<String>> simplifyConstraints(String name, TPHExtractor tphExtractor, ArrayList<TypePlaceholder> tphsClass) {
// 1. check if there are any simple cycles like L<R and R<L:
// a) yes => set L=R and:
// * remove both constraints
// * substitute L with R in all constraint
// b)no => go to next step
// 2. check the result of step 1 if there are any equal-constraints like L=R, M=R ..
// a) yes => put all such TPhs in a map and define "key-Cons"
// -- key-Cons = TPH < Object --
// put this Constraint and the
// b) no
// 3. is
// all constraints that will be simplified
ArrayList<TPHConstraint> allCons = tphExtractor.allCons;
ArrayList<TPHConstraint> consToRemove = new ArrayList<>();
// step 1:
for(TPHConstraint c : allCons) {
String left = c.getLeft();
String right = c.getRight();
if(c.getRel() == Relation.EXTENDS) {
TPHConstraint revCon = getReverseConstraint(allCons,left,right);
if(revCon != null) {
revCon.setRel(Relation.EQUAL);
// the reverse constraint is removed because
// otherwise there is the same constraint twice
// (e.g. A<B and B<A => A=B and B=A)
consToRemove.add(revCon);
c.setRel(Relation.EQUAL);
substituteTPH(allCons,left, right);
}
}
}
System.out.println();
System.out.println("NEW ALL CONST: " + allCons.size());
allCons.forEach(c->System.out.println(c.toString()));
System.out.println("----------------");
allCons.removeAll(consToRemove);
consToRemove = new ArrayList<>();
int size = allCons.size();
System.out.println("AFTER DELETE ALL CONST: " + allCons.size());
allCons.forEach(c->System.out.println(c.toString()));
System.out.println("----------------");
HashMap<TPHConstraint, HashSet<String>> result = new HashMap<>();
// check if there is any long cycle (e.g. A<B<C<A)
// to save all types that are in relation
LinkedList<String> allTypes = new LinkedList<>();
// we will put all constraints which are in the cycle, in this ArrayList.
// Later these contraints will be converted to equal-constraints
ArrayList<TPHConstraint> constraints = new ArrayList<>(size);
int visited = 0;
// contains all constraints
HashMap<String,String> ss1 = new HashMap<>();
for(TPHConstraint constr : allCons) {
ss1.put(constr.getLeft(), constr.getRight());
}
for(TPHConstraint c : allCons) {
if(visited >= size)
break;
// Only extends-constraints will be checked
if(c.getRel() == Relation.EXTENDS) {
++visited;
String left = c.getLeft();
String right = c.getRight();
// put the types in linked list
allTypes.add(left);
allTypes.add(right);
constraints.add(c);
boolean isCycle = false;
// iterate through the map to check if there is a cycle
while(ss1.containsKey(right)) {
++visited;
String oldRight = right;
right = ss1.get(right);
TPHConstraint toAdd = getConstraint(oldRight, right, allCons);
if(toAdd != null)
constraints.add(toAdd);
if(left.equals(right)) {
isCycle = true;
break;
}
allTypes.add(right);
}
if(isCycle) {
// convert all constraints to equal constraints
setAllEqual(constraints);
// these constraints will be removed from allCons
consToRemove.addAll(constraints);
// all equal types will be substitute with one type
substituteAllTPH(allCons,constraints,left);
HashSet<String> eq = new HashSet<>();
// put all equal types in a set
for(String t:allTypes) {
eq.add(t);
}
// generate a new constraint (left < Object)
TPHConstraint constraint = new ExtendsConstraint(left, Type.getInternalName(Object.class), Relation.EXTENDS);
// put the generated constraint and its equal set into result set
result.put(constraint, eq);
constraints.clear();
}
allTypes.clear();
}
}
// build an equal set that contains all types
// which are equal and for each equal constraint put left side and right side
// in this set Then generate a constraint type < Object and put it
// with the equal set into the result.
for(TPHConstraint c : allCons) {
if(c.getRel()==Relation.EQUAL) {
if(!isTPHInResEqual(result, c.getLeft())) {
HashSet<String> equalTPHs = getEqualsTPHs(result, c);
TPHConstraint constraint = getKeyConstraint(result,c);
equalTPHs.add(c.getLeft());
equalTPHs.add(c.getRight());
result.put(constraint, equalTPHs);
}
consToRemove.add(c);
size--;
}
}
System.out.println("Step 2 Result: ");
result.forEach((c,hs)->{
System.out.print(c.toString() + " -> ");
hs.forEach(s->{
System.out.print(s + ", ");
});
System.out.println();
});
System.out.println("----------------");
// remove all equal-constraints
allCons.removeAll(consToRemove);
// add all generated constraints to allCons
allCons.addAll(result.keySet());
if(!allCons.isEmpty() && allCons.size()<2) {
TPHConstraint cons = allCons.get(0);
if(!result.containsKey(cons)) {
result.put(cons, null);
result.put(new ExtendsConstraint(cons.getRight(), Type.getInternalName(Object.class), Relation.EXTENDS), null);
}
return result;
}
size += result.keySet().size();
// all constraints which have Object on the right side will
// be ignored, because they are simplified and can not be changed.
for(TPHConstraint c : allCons) {
if(c.getRight().equals(Type.getInternalName(Object.class)))
size--;
}
// get all tph of the method
ArrayList<String> methodTphs = new ArrayList<>();
for(MethodAndTPH m : tphExtractor.ListOfMethodsAndTph) {
if(m.getName().equals(name)) {
methodTphs = m.getTphs();
break;
}
}
// check if there are multiple constraint with the same left side.
// if yes => check if the super type in the method, if not
// then ignore it.
HashMap<String, String> subAndSuper = new HashMap<>();
ArrayList<TPHConstraint> eqCons = new ArrayList<>();
for(TPHConstraint c : allCons) {
if(subAndSuper.containsKey(c.getLeft())) {
LinkedList<String> all = new LinkedList<>();
all.add(c.getLeft());
String sup =c.getRight();
all.add(sup);
HashMap<String, String> ss = new HashMap<>();
for(TPHConstraint constr : allCons) {
ss.put(constr.getLeft(), constr.getRight());
}
while(ss.containsKey(sup)) {
sup = ss.get(sup);
all.add(sup);
}
if(!containTPH(methodTphs, all.getLast()))
continue;
}
if(subAndSuper.containsKey(c.getLeft())) {
System.out.println(c.getLeft());
String r = c.getRight();
String r2 = subAndSuper.get(c.getLeft());
EqualConstraint eq = new EqualConstraint(r2, r, Relation.EQUAL);
eqCons.add(eq);
substituteInMap(subAndSuper,eqCons,allCons,r,r2);
}
subAndSuper.put(c.getLeft(), c.getRight());
}
System.out.println("SAME LEFT SIDE: ");
subAndSuper.forEach((c,hs)->{
if(c!=null) {
System.out.print(c+ " -> " + hs);
}
System.out.println();
});
System.out.println("----------------");
int numOfVisitedPairs = 0;
for(String sub : subAndSuper.keySet()) {
if(isTPHInConstraint(result,sub))
continue;
if(!containTPH(methodTphs,sub))
continue;
if(numOfVisitedPairs>=size)
break;
LinkedList<String> tphInRel = new LinkedList<>();
tphInRel.add(sub);
String superT = subAndSuper.get(sub);
tphInRel.add(superT);
numOfVisitedPairs++;
while(subAndSuper.containsKey(superT)) {
superT = subAndSuper.get(superT);
if(tphInRel.contains(superT)) {
break;
}
tphInRel.add(superT);
numOfVisitedPairs++;
}
// Subtype
String subTphRes = tphInRel.getFirst();
// Die größte Supertype
String superTphRes = tphInRel.getLast();
// if there is any constraint X < subTph, then
// add X at the beginning of the list.
while(subAndSuper.containsValue(subTphRes)) {
for(String tph : subAndSuper.keySet()) {
if(containTPH(methodTphs,tph) && subAndSuper.get(tph).equals(subTphRes)) {
subTphRes = tph;
break;
}
}
if(subTphRes.equals(tphInRel.getFirst())) {
break;
}
if(isTPHInConstraint(result, subTphRes))
break;
tphInRel.addFirst(subTphRes);
numOfVisitedPairs++;
}
subTphRes = tphInRel.getFirst();
// if the last type in the list not a type in method-types
// then find the last type in front of this type, which is
// a type in method-types
int i = 2;
while(!containTPH(methodTphs,superTphRes) && (tphInRel.size()-i) >0) {
superTphRes = tphInRel.get(tphInRel.size()-i);
i++;
}
if(!containTPH(methodTphs, superTphRes)) {
HashSet<String> equals = getEqualsTphsFromEqualCons(eqCons,superTphRes);
if(classTPHSContainsTPH(tphsClass,superTphRes)) {
result.put(new ExtendsConstraint(subTphRes, superTphRes, Relation.EXTENDS), equals);
} else {
result.put(new ExtendsConstraint(subTphRes, Type.getInternalName(Object.class), Relation.EXTENDS), equals);
}
} else {
HashSet<String> equals = getEqualsTphsFromEqualCons(eqCons,subTphRes);
result.put(new ExtendsConstraint(subTphRes, superTphRes, Relation.EXTENDS), equals);
if(!isTPHInConstraint(result, superTphRes) && !isTphInEqualSet(result,superTphRes)) {
HashSet<String> equals2 = getEqualsTphsFromEqualCons(eqCons,superTphRes);
result.put(new ExtendsConstraint(superTphRes, Type.getInternalName(Object.class), Relation.EXTENDS), equals2);
}
}
}
for(String tph : methodTphs) {
if(!isTPHInConstraint(result, tph) && !isTphInEqualSet(result,tph)) {
HashSet<String> equals = getEqualsTphsFromEqualCons(eqCons,tph);
result.put(new ExtendsConstraint(tph, Type.getInternalName(Object.class), Relation.EXTENDS), equals);
}
}
System.out.println("EndResult: ");
result.forEach((c,hs)->{
if(c!=null) {
System.out.print(c.toString() + " -> ");
if(hs == null) {
System.out.print(" [] ");
}else {
hs.forEach(s->{
System.out.print(s + ", ");
});
}
}
System.out.println();
});
System.out.println("----------------");
return result;
}
private static boolean classTPHSContainsTPH(ArrayList<TypePlaceholder> tphsClass, String superTphRes) {
for(TypePlaceholder tph : tphsClass) {
if(tph.getName().equals(superTphRes))
return true;
}
return false;
}
private static boolean isTphInEqualSet(HashMap<TPHConstraint, HashSet<String>> result, String tph) {
for(HashSet<String> hs: result.values()) {
if(hs.contains(tph))
return true;
}
return false;
}
private static HashSet<String> getEqualsTphsFromEqualCons(ArrayList<TPHConstraint> eqCons, String tph) {
HashSet<String> ee = new HashSet<>();
for(TPHConstraint c : eqCons) {
if(c.getLeft().equals(tph))
ee.add(c.getRight());
if(c.getRight().equals(tph))
ee.add(c.getLeft());
}
return ee;
}
private static void substituteInMap(HashMap<String, String> subAndSuper, ArrayList<TPHConstraint> allCons,ArrayList<TPHConstraint> eqCons, String toSubs,
String tph) {
substituteTPH(allCons, toSubs, tph);
if(subAndSuper.containsKey(toSubs) && subAndSuper.containsKey(tph)) {
toSubs = subAndSuper.remove(toSubs);
EqualConstraint eq = new EqualConstraint(subAndSuper.get(tph), toSubs, Relation.EQUAL);
eqCons.add(eq);
substituteInMap(subAndSuper, allCons,eqCons,toSubs, subAndSuper.get(tph));
} else if(subAndSuper.containsKey(toSubs) && !subAndSuper.containsKey(tph)) {
String val = subAndSuper.remove(toSubs);
subAndSuper.put(tph, val);
} else {
for(String k : subAndSuper.keySet()) {
subAndSuper.replace(k, toSubs, tph);
}
}
}
private static TPHConstraint getConstraint(String oldRight, String right, ArrayList<TPHConstraint> allCons) {
for(TPHConstraint c : allCons) {
if(c.getLeft().equals(oldRight) && c.getRight().equals(right))
return c;
}
return null;
}
private static boolean isTPHInResEqual(HashMap<TPHConstraint, HashSet<String>> result, String left) {
for(HashSet<String> eq : result.values()) {
if(eq.contains(left)) {
return true;
}
}
return false;
}
private static void substituteAllTPH(ArrayList<TPHConstraint> allCons, ArrayList<TPHConstraint> constraints,
String first) {
for(TPHConstraint c : allCons) {
for(TPHConstraint c2 : constraints) {
if(c.getRel() == Relation.EXTENDS) {
if(c2.getLeft().equals(c.getLeft()) || c2.getRight().equals(c.getLeft()))
c.setLeft(first);
if(c2.getLeft().equals(c.getRight()) || c2.getRight().equals(c.getRight()))
c.setRight(first);
}
}
}
}
private static void setAllEqual(ArrayList<TPHConstraint> constraints) {
for(TPHConstraint c:constraints) {
c.setRel(Relation.EQUAL);
}
}
public static HashMap<TPHConstraint, HashSet<String>> simplifyContraints(HashMap<TPHConstraint, HashSet<String>> allConstraints) {
// 1. check if there are any cycles like L<R and R<L:
// a) yes => set L=R and:
// * remove both constraints
// * substitute L with R in all constraint
// b)no => go to next step
// 2. check the result of step 1 if there are any equal-constraints like L=R, M=R ..
// a) yes => put all such TPhs in a map and define "key-Cons"
// -- key-Cons = TPH < Object --
// put this Constraint and the
// b) no
// 3. is
ArrayList<TPHConstraint> allCons = new ArrayList<>();
for(TPHConstraint tphCons : allConstraints.keySet()) {
allCons.add(tphCons);
}
ArrayList<TPHConstraint> consToRemove = new ArrayList<>();
// step 1:
for(TPHConstraint c : allCons) {
String left = c.getLeft();
String right = c.getRight();
if(c.getRel() == Relation.EXTENDS) {
TPHConstraint revCon = getReverseConstraint(allCons,left,right);
if(revCon != null) {
revCon.setRel(Relation.EQUAL);
consToRemove.add(revCon);
c.setRel(Relation.EQUAL);
substituteTPH(allCons,left, right);
}
}
}
System.out.println();
System.out.println("NEW ALL CONST: " + allCons.size());
allCons.forEach(c->System.out.println(c.toString()));
System.out.println("----------------");
allCons.removeAll(consToRemove);
consToRemove = new ArrayList<>();
// int size = allCons.size();
System.out.println("AFTER DELETE ALL CONST: " + allCons.size());
allCons.forEach(c->System.out.println(c.toString()));
System.out.println("----------------");
HashMap<TPHConstraint, HashSet<String>> result = new HashMap<>();
for(TPHConstraint c : allCons) {
if(c.getRel()==Relation.EQUAL) {
HashSet<String> equalTPHs = getEqualsTPHs(result, c);
TPHConstraint constraint = getKeyConstraint(result,c);
equalTPHs.add(c.getLeft());
equalTPHs.add(c.getRight());
result.put(constraint, equalTPHs);
consToRemove.add(c);
// size--;
}
}
System.out.println("Step 2 Result: ");
result.forEach((c,hs)->{
System.out.print(c.toString() + " -> ");
hs.forEach(s->{
System.out.print(s + ", ");
});
System.out.println();
});
System.out.println("----------------");
allCons.removeAll(consToRemove);
allCons.addAll(result.keySet());
if(!allCons.isEmpty() && allCons.size()<2) {
if(!result.containsKey(allCons.get(0)))
result.put(allCons.get(0), null);
return result;
}
// size += result.keySet().size();
// for(TPHConstraint c : allCons) {
// if(c.getRight().equals(Type.getInternalName(Object.class)))
// size--;
// }
HashMap<String, String> subAndSuper = new HashMap<>();
for(TPHConstraint c : allCons) {
subAndSuper.put(c.getLeft(), c.getRight());
}
// int numOfVisitedPairs = 0;
for(String sub : subAndSuper.keySet()) {
if(isTPHInConstraint(result,sub))
continue;
// if(numOfVisitedPairs>=size)
// break;
LinkedList<String> tphInRel = new LinkedList<>();
tphInRel.add(sub);
String superT = subAndSuper.get(sub);
tphInRel.add(superT);
// numOfVisitedPairs++;
while(subAndSuper.containsKey(superT)) {
superT = subAndSuper.get(superT);
if(tphInRel.contains(superT)) {
break;
}
tphInRel.add(superT);
// numOfVisitedPairs++;
}
// Subtype
String subTphRes = tphInRel.getFirst();
// Die größte Supertype
String superTphRes = tphInRel.getLast();
while(subAndSuper.containsValue(subTphRes)) {
for(String tph : subAndSuper.keySet()) {
if(subAndSuper.get(tph).equals(subTphRes)) {
subTphRes = tph;
break;
}
}
if(subTphRes.equals(tphInRel.getFirst())) {
break;
}
tphInRel.addFirst(subTphRes);
// numOfVisitedPairs++;
}
subTphRes = tphInRel.getFirst();
int i = 2;
while(superTphRes.equals(Type.getInternalName(Object.class)) && (tphInRel.size()-i) >0) {
superTphRes = tphInRel.get(tphInRel.size()-i);
i++;
}
if(superTphRes.equals(Type.getInternalName(Object.class))) {
result.put(new ExtendsConstraint(subTphRes, Type.getInternalName(Object.class), Relation.EXTENDS), null);
} else {
result.put(new ExtendsConstraint(subTphRes, superTphRes, Relation.EXTENDS), null);
result.put(new ExtendsConstraint(superTphRes, Type.getInternalName(Object.class), Relation.EXTENDS), null);
}
}
System.out.println("EndResult: ");
result.forEach((c,hs)->{
if(c!=null) {
System.out.print(c.toString() + " -> ");
if(hs == null) {
System.out.print(" [] ");
}else {
hs.forEach(s->{
System.out.print(s + ", ");
});
}
}
System.out.println();
});
System.out.println("----------------");
return result;
}
private static void substituteTPH(ArrayList<TPHConstraint> allCons,String left ,String right) {
allCons.forEach(c->{
if(c.getRel() == Relation.EXTENDS) {
if(c.getLeft().equals(left))
c.setLeft(right);
if(c.getRight().equals(left))
c.setRight(right);
}
});
}
private static TPHConstraint getReverseConstraint(ArrayList<TPHConstraint> allCons, String left, String right) {
for(TPHConstraint c : allCons) {
if(c.getLeft().equals(right) && c.getRight().equals(left)){
return c;
}
}
return null;
}
private static boolean isTPHInConstraint(HashMap<TPHConstraint, HashSet<String>> result, String sub) {
for(TPHConstraint c : result.keySet()) {
if(c.getLeft().equals(sub))
return true;
}
return false;
}
private static boolean containTPH(ArrayList<String> methodTphs, String sub) {
for(String tph : methodTphs) {
if(tph.equals(sub))
return true;
}
return false;
}
private static TPHConstraint getKeyConstraint(HashMap<TPHConstraint, HashSet<String>> result, TPHConstraint toFind) {
for(TPHConstraint c : result.keySet()) {
if(c.containTPH(toFind.getLeft()) || c.containTPH(toFind.getRight()))
return c;
}
return new ExtendsConstraint(toFind.getRight(), Type.getInternalName(Object.class), Relation.EXTENDS);
}
private static HashSet<String> getEqualsTPHs(HashMap<TPHConstraint,HashSet<String>> result, TPHConstraint toFind) {
for(TPHConstraint c : result.keySet()) {
if(c.containTPH(toFind.getLeft()) || c.containTPH(toFind.getRight()))
return result.get(c);
}
return new HashSet<>();
}
}

@ -2,7 +2,6 @@ package de.dhbwstuttgart.core;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.util.*;
import java.util.stream.Collectors;
@ -10,29 +9,8 @@ public class ConsoleInterface {
private static final String directory = System.getProperty("user.dir");
public static void main(String[] args) throws IOException, ClassNotFoundException {
List<File> input = new ArrayList<>();
List<File> classpath = new ArrayList<>();
String outputPath = null;
Iterator<String> it = Arrays.asList(args).iterator();
while(it.hasNext()){
String arg = it.next();
if(arg.equals("-d")){
outputPath = it.next();
}else if(arg.startsWith("-d")) {
outputPath = arg.substring(2);
}else if(arg.equals("-cp") || arg.equals("-classpath")){
String[] cps = it.next().split(":");
for(String cp : cps){
classpath.add(new File(cp));
}
}else{
input.add(new File(arg));
}
}
JavaTXCompiler compiler = new JavaTXCompiler(input, classpath);
List<File> input = Arrays.asList(args).stream().map((s -> new File(s))).collect(Collectors.toList());
JavaTXCompiler compiler = new JavaTXCompiler(input);
compiler.typeInference();
compiler.generateBytecode(outputPath);
}
}

File diff suppressed because it is too large Load Diff

@ -4,12 +4,18 @@ import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.*;
import com.google.common.collect.Lists;
import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
import de.dhbwstuttgart.syntaxtree.SourceFile;
import de.dhbwstuttgart.syntaxtree.factory.ASTFactory;
import org.antlr.v4.runtime.tree.TerminalNode;
import org.reflections.Reflections;
import org.reflections.scanners.ResourcesScanner;
import org.reflections.scanners.SubTypesScanner;
import org.reflections.util.ClasspathHelper;
import org.reflections.util.ConfigurationBuilder;
import org.reflections.util.FilterBuilder;
import de.dhbwstuttgart.exceptions.DebugException;
import de.dhbwstuttgart.parser.JavaTXParser;
@ -43,7 +49,8 @@ public class CompilationEnvironment {
*
*/
//String bootClassPath = System.getProperty("sun.boot.class.path");
// DirectoryClassLoader cl = DirectoryClassLoader.getPlatformClassLoader();
// ClassLoader cl = ClassLoader.getPlatformClassLoader();
ClassLoader cl = ClassLoader.getSystemClassLoader();
String bootClassPath = System.getProperty("java.class.path");
librarys = new ArrayList<>();
for(String path : bootClassPath.split(File.pathSeparator)) {
@ -60,44 +67,13 @@ public class CompilationEnvironment {
this.packageCrawler = new PackageCrawler(librarys);
}
public JavaClassRegistry getRegistry(File forSourceFile, ClassLoader classLoader) throws ClassNotFoundException, IOException {
public JavaClassRegistry getRegistry(File forSourceFile) throws ClassNotFoundException, IOException {
Map<String, Integer> allNames;
CompilationUnitContext tree = JavaTXParser.parse(forSourceFile);
allNames = GatherNames.getNames(tree, packageCrawler, classLoader);
for(Class c : loadDefaultPackageClasses(forSourceFile, classLoader)){
allNames.put(c.getName(), c.getTypeParameters().length);
}
allNames = GatherNames.getNames(tree, packageCrawler);
return new JavaClassRegistry(allNames);
}
public static List<Class> loadDefaultPackageClasses(File forSourceFile, ClassLoader classLoader) throws IOException, ClassNotFoundException {
List<Class> ret = new ArrayList<>();
String packageName = getPackageName(JavaTXParser.parse(forSourceFile));
//Set classLoader to include default package for this specific source file
File dir = new File(forSourceFile.getAbsoluteFile().getParent());
String dirPath = dir.toString() + "/";
if(packageName.length()>0)dirPath = dirPath.substring(0,dirPath.length() - packageName.length());
String path = dirPath;
ArrayList<File> defaultPath = Lists.newArrayList(new File(path));
classLoader = new DirectoryClassLoader(defaultPath, classLoader);
//Gather all names in the default package for this source file (classes that are imported by default)
File [] files = dir.listFiles((dir1, name) -> name.endsWith(".class"));
if(files != null)for (File classFile : files) {
String className = classFile.getName().substring(0,classFile.getName().length()-6);
ret.add(classLoader.loadClass(packageName + className));
}
return ret;
}
private static String getPackageName(CompilationUnitContext forTree){
String packageName = "";
if(forTree.packageDeclaration() != null && forTree.packageDeclaration().Identifier() != null)
for(TerminalNode subPackage : forTree.packageDeclaration().Identifier()){
packageName += subPackage.toString() + ".";
}
return packageName;
}
public List<ClassOrInterface> getAllAvailableClasses() {
List<ClassOrInterface> ret = new ArrayList<>();
for(Class c : new PackageCrawler(librarys).getAllAvailableClasses()){

@ -1,31 +0,0 @@
package de.dhbwstuttgart.environment;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.List;
import java.util.stream.Collectors;
public class DirectoryClassLoader extends URLClassLoader {
public DirectoryClassLoader(File directory, java.lang.ClassLoader parent) {
super(generateURLArray(dirToURL(directory)), parent);
}
public DirectoryClassLoader(List<File> directory, java.lang.ClassLoader parent) {
super(directory.stream().map(DirectoryClassLoader::dirToURL).collect(Collectors.toList()).toArray(new URL[0]), parent);
}
private static URL[] generateURLArray(URL url) {
return new URL[]{url};
}
private static URL dirToURL(File url){
if(!url.isDirectory())throw new RuntimeException(url.toString() + " is not a directory");
try {
return url.toURI().toURL();
} catch (MalformedURLException e) {
throw new RuntimeException(e);
}
}
}

@ -26,11 +26,11 @@ public class PackageCrawler {
public Set<Class<?>> getClassesInPackage(String packageName){
/*
List<DirectoryClassLoader> classLoadersList = new LinkedList<DirectoryClassLoader>();
List<ClassLoader> classLoadersList = new LinkedList<ClassLoader>();
classLoadersList.add(Thread.currentThread().getContextClassLoader());
classLoadersList.add(ClasspathHelper.staticClassLoader());
classLoadersList.add(Thread.currentThread().getContextClassLoader().getParent());
classLoadersList.add(DirectoryClassLoader.getSystemClassLoader());
classLoadersList.add(ClassLoader.getSystemClassLoader());
String bootClassPath = System.getProperty("sun.boot.class.path");
ArrayList<URL> urlList = new ArrayList<>();
for(String path : bootClassPath.split(";")) {
@ -41,7 +41,7 @@ public class PackageCrawler {
}
}
URL[] urls = urlList.toArray(new URL[0]);
classLoadersList.add(new URLClassLoader(urls, DirectoryClassLoader.getSystemClassLoader()));
classLoadersList.add(new URLClassLoader(urls, ClassLoader.getSystemClassLoader()));
*/
Reflections reflections = new Reflections(new ConfigurationBuilder()
.setScanners(new SubTypesScanner(false /* don't exclude Object.class */), new ResourcesScanner())

@ -22,16 +22,16 @@ public class FCGenerator {
*
* @param availableClasses - Alle geparsten Klassen
*/
public static Set<UnifyPair> toUnifyFC(Collection<ClassOrInterface> availableClasses, ClassLoader classLoader) throws ClassNotFoundException {
return toFC(availableClasses, classLoader).stream().map(t -> UnifyTypeFactory.convert(t)).collect(Collectors.toSet());
public static Set<UnifyPair> toUnifyFC(Collection<ClassOrInterface> availableClasses) throws ClassNotFoundException {
return toFC(availableClasses).stream().map(t -> UnifyTypeFactory.convert(t)).collect(Collectors.toSet());
}
public static Set<Pair> toFC(Collection<ClassOrInterface> availableClasses, ClassLoader classLoader) throws ClassNotFoundException {
public static Set<Pair> toFC(Collection<ClassOrInterface> availableClasses) throws ClassNotFoundException {
HashSet<Pair> pairs = new HashSet<>();
//PL 2018-09-18: gtvs vor die for-Schleife gezogen, damit immer die gleichen Typeplaceholder eingesetzt werden.
HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> gtvs = new HashMap<>();
for(ClassOrInterface cly : availableClasses){
pairs.addAll(getSuperTypes(cly, availableClasses, gtvs, classLoader));
pairs.addAll(getSuperTypes(cly, availableClasses, gtvs));
}
return pairs;
}
@ -48,8 +48,8 @@ public class FCGenerator {
* @param forType
* @return
*/
private static List<Pair> getSuperTypes(ClassOrInterface forType, Collection<ClassOrInterface> availableClasses, ClassLoader classLoader) throws ClassNotFoundException {
return getSuperTypes(forType, availableClasses, new HashMap<>(), classLoader);
private static List<Pair> getSuperTypes(ClassOrInterface forType, Collection<ClassOrInterface> availableClasses) throws ClassNotFoundException {
return getSuperTypes(forType, availableClasses, new HashMap<>());
}
/**
@ -61,7 +61,7 @@ public class FCGenerator {
* @throws ClassNotFoundException
*/
private static List<Pair> getSuperTypes(ClassOrInterface forType, Collection<ClassOrInterface> availableClasses,
HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> gtvs, ClassLoader classLoader) throws ClassNotFoundException {
HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> gtvs) throws ClassNotFoundException {
List<RefTypeOrTPHOrWildcardOrGeneric> params = new ArrayList<>();
//Die GTVs, die in forType hinzukommen:
HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> newGTVs = new HashMap<>();
@ -86,7 +86,7 @@ public class FCGenerator {
ClassOrInterface superClass;
if(!hasSuperclass.isPresent()) //Wenn es die Klasse in den available Klasses nicht gibt wird sie im Classpath gesucht. Ansonsten Exception
{
superClass = ASTFactory.createClass(classLoader.loadClass(superType.getName().toString()));
superClass = ASTFactory.createClass(ClassLoader.getSystemClassLoader().loadClass(superType.getName().toString()));
}else{
superClass = hasSuperclass.get();
}
@ -120,7 +120,7 @@ public class FCGenerator {
if(superClass.getClassName().equals(ASTFactory.createObjectClass().getClassName())){
superTypes = Arrays.asList(new Pair(ASTFactory.createObjectType(), ASTFactory.createObjectType(), PairOperator.SMALLER));
}else{
superTypes = getSuperTypes(superClass, availableClasses, newGTVs, classLoader);
superTypes = getSuperTypes(superClass, availableClasses, newGTVs);
}
retList.add(ret);

@ -17,7 +17,6 @@ import org.antlr.v4.runtime.Token;
import org.antlr.v4.runtime.tree.TerminalNode;
import java.util.*;
import java.util.stream.Collectors;
public class StatementGenerator {
@ -210,12 +209,7 @@ public class StatementGenerator {
}else throw new NotImplementedException();
ArgumentList argumentList = convert(methodInvocationContext.argumentList());
ArrayList<RefTypeOrTPHOrWildcardOrGeneric> argTypes = argumentList.getArguments().stream()
.map(x -> TypePlaceholder.fresh(methodInvocationContext.getStart()))
.collect(Collectors.toCollection(ArrayList::new));
MethodCall ret = new MethodCall(TypePlaceholder.fresh(methodInvocationContext.getStart()),
getReceiver(receiver), name, argumentList, TypePlaceholder.fresh(methodInvocationContext.getStart()),
argTypes, methodInvocationContext.getStart());
MethodCall ret = new MethodCall(TypePlaceholder.fresh(methodInvocationContext.getStart()), getReceiver(receiver), name, argumentList, methodInvocationContext.getStart());
return ret;
}
@ -285,24 +279,9 @@ public class StatementGenerator {
}
private Statement convert(Java8Parser.ClassInstanceCreationExpressionContext newExpression) {
Java8Parser.TypeArgumentsContext genericArgs = null;
if(newExpression.expressionName()!= null)throw new NotImplementedException();
if(newExpression.typeArgumentsOrDiamond()!= null){
if(newExpression.typeArgumentsOrDiamond().typeArguments()!=null){
genericArgs = newExpression.typeArgumentsOrDiamond().typeArguments();
}
}
if(newExpression.typeArguments()!= null)throw new NotImplementedException();
TerminalNode identifier = newExpression.Identifier(0);
RefType newClass = (RefType) TypeGenerator.convertTypeName(identifier.getText(),genericArgs,identifier.getSymbol(),reg,generics);
ArgumentList args = convert(newExpression.argumentList());
ArrayList<RefTypeOrTPHOrWildcardOrGeneric> argTypes = args.getArguments().stream()
.map(x -> TypePlaceholder.fresh(newExpression.getStart()))
.collect(Collectors.toCollection(ArrayList::new));
return new NewClass(newClass, args, null, argTypes, newExpression.getStart());
private Statement convert(Java8Parser.ClassInstanceCreationExpressionContext stmt) {
//TODO
throw new NotImplementedException();
}
private Statement convert(Java8Parser.PreIncrementExpressionContext stmt) {
@ -788,14 +767,10 @@ public class StatementGenerator {
}else {
Java8Parser.MethodInvocation_lf_primaryContext ctxt = e.methodInvocation_lf_primary();
String methodName = ctxt.Identifier().toString();
ArrayList<RefTypeOrTPHOrWildcardOrGeneric> argTypes = ctxt.argumentList().expression().stream()
.map(x -> TypePlaceholder.fresh(e.getStart()))
.collect(Collectors.toCollection(ArrayList::new));
return new MethodCall(TypePlaceholder.fresh(e.getStart()), getReceiver(expr), methodName,
convert(ctxt.argumentList()), TypePlaceholder.fresh(e.getStart()), argTypes, e.getStart());
return new MethodCall(TypePlaceholder.fresh(e.getStart()), getReceiver(expr), methodName, convert(ctxt.argumentList()), e.getStart());
}
}
private Expression convert(Java8Parser.ArrayCreationExpressionContext expression) {
throw new NotImplementedException();
}
@ -846,10 +821,7 @@ public class StatementGenerator {
RefType newClass = (RefType) TypeGenerator.convertTypeName(identifier.getText(),genericArgs,identifier.getSymbol(),reg,generics);
ArgumentList args = convert(newExpression.argumentList());
ArrayList<RefTypeOrTPHOrWildcardOrGeneric> argTypes = args.getArguments().stream()
.map(x -> TypePlaceholder.fresh(newExpression.getStart()))
.collect(Collectors.toCollection(ArrayList::new));
return new NewClass(newClass, args, null, argTypes, newExpression.getStart());
return new NewClass(newClass, args, newExpression.getStart());
}
private Expression convert(Java8Parser.LiteralContext literal) {
@ -907,12 +879,7 @@ public class StatementGenerator {
}
ArgumentList argumentList = convert(methodInvocationContext.argumentList());
ArrayList<RefTypeOrTPHOrWildcardOrGeneric> argTypes = argumentList.getArguments().stream()
.map(x -> TypePlaceholder.fresh(methodInvocationContext.getStart()))
.collect(Collectors.toCollection(ArrayList::new));
MethodCall ret = new MethodCall(TypePlaceholder.fresh(methodInvocationContext.getStart()),
getReceiver(receiver), name, argumentList, TypePlaceholder.fresh(methodInvocationContext.getStart()),
argTypes, methodInvocationContext.getStart());
MethodCall ret = new MethodCall(TypePlaceholder.fresh(methodInvocationContext.getStart()), getReceiver(receiver), name, argumentList, methodInvocationContext.getStart());
return ret;
}

@ -19,7 +19,6 @@ import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import java.lang.reflect.Modifier;
import java.net.URL;
import java.sql.Ref;
import java.util.*;
import java.util.stream.Collectors;
@ -36,7 +35,7 @@ public class SyntaxTreeGenerator{
Set<JavaClassName> imports = new HashSet();
private Map<String, RefTypeOrTPHOrWildcardOrGeneric> fields = new HashMap<>(); //PL 2018-11-01 fields eingefuegt, damit die fields immer die gleiche TPH bekommen
List<Statement> fieldInitializations = new ArrayList<>(); //PL 2019-10-23: Muss für jede Klasse neu initilisiert werden
List<Statement> fieldInitializations = new ArrayList<>();
public SyntaxTreeGenerator(JavaClassRegistry reg, GenericsRegistry globalGenerics){
//Die Generics müssen während des Bauens des AST erstellt werden,
@ -75,10 +74,10 @@ public class SyntaxTreeGenerator{
return ret;
}
public SourceFile convert(Java8Parser.CompilationUnitContext ctx, PackageCrawler packageCrawler, ClassLoader classLoader) throws ClassNotFoundException{
public SourceFile convert(Java8Parser.CompilationUnitContext ctx, PackageCrawler packageCrawler) throws ClassNotFoundException{
if(ctx.packageDeclaration()!=null)this.pkgName = convert(ctx.packageDeclaration());
List<ClassOrInterface> classes = new ArrayList<>();
Map<String, Integer> imports = GatherNames.getImports(ctx, packageCrawler, classLoader);
Map<String, Integer> imports = GatherNames.getImports(ctx, packageCrawler);
this.imports = imports.keySet().stream().map(name -> reg.getName(name)).collect(Collectors.toSet());
for(Java8Parser.TypeDeclarationContext typeDecl : ctx.typeDeclaration()){
ClassOrInterface newClass;
@ -160,7 +159,6 @@ public class SyntaxTreeGenerator{
private ClassOrInterface convertClass(Java8Parser.ClassDeclarationContext ctx) {
ClassOrInterface newClass;
fieldInitializations = new ArrayList<>(); //PL 2019-10-22: muss für jede Klasse neu initilisiert werden
if(ctx.normalClassDeclaration() != null){
newClass = convertNormal(ctx.normalClassDeclaration());
}

@ -3,37 +3,31 @@ package de.dhbwstuttgart.parser.SyntaxTreeGenerator;
import de.dhbwstuttgart.exceptions.NotImplementedException;
import de.dhbwstuttgart.exceptions.TypeinferenceException;
import de.dhbwstuttgart.parser.antlr.Java8Parser;
import de.dhbwstuttgart.parser.antlr.Java8Parser.UnannClassType_lfno_unannClassOrInterfaceTypeContext;
import de.dhbwstuttgart.parser.scope.GenericsRegistry;
import de.dhbwstuttgart.parser.scope.JavaClassName;
import de.dhbwstuttgart.parser.scope.JavaClassRegistry;
import de.dhbwstuttgart.syntaxtree.GenericDeclarationList;
import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
import de.dhbwstuttgart.syntaxtree.factory.ASTFactory;
import de.dhbwstuttgart.syntaxtree.type.ExtendsWildcardType;
import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
import de.dhbwstuttgart.syntaxtree.type.RefType;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import de.dhbwstuttgart.syntaxtree.type.SuperWildcardType;
import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import org.antlr.v4.runtime.Token;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class TypeGenerator {
public static RefTypeOrTPHOrWildcardOrGeneric convert(Java8Parser.UnannClassOrInterfaceTypeContext unannClassOrInterfaceTypeContext, JavaClassRegistry reg, GenericsRegistry generics) {
Java8Parser.TypeArgumentsContext arguments=null;
/* PL 2019-03-19 auskommentiert ANFANG
Java8Parser.TypeArgumentsContext arguments;
if(unannClassOrInterfaceTypeContext.unannClassType_lfno_unannClassOrInterfaceType() != null){
arguments = unannClassOrInterfaceTypeContext.unannClassType_lfno_unannClassOrInterfaceType().typeArguments();
}else{// if(unannClassOrInterfaceTypeContext.unannInterfaceType_lfno_unannClassOrInterfaceType() != null){
arguments = unannClassOrInterfaceTypeContext.unannInterfaceType_lfno_unannClassOrInterfaceType().unannClassType_lfno_unannClassOrInterfaceType().typeArguments();
}
PL 2019-03-19 auskommentiert ENDE */
/**
* Problem sind hier die verschachtelten Typen mit verschachtelten Typargumenten
* Beispiel: Typ<String>.InnererTyp<Integer>
@ -41,28 +35,6 @@ public class TypeGenerator {
String name = unannClassOrInterfaceTypeContext.getText();
if(name.contains("<")){
name = name.split("<")[0]; //Der Typ ist alles vor den ersten Argumenten
/* Fuer Debug-Zwecke
unannClassOrInterfaceTypeContext.unannInterfaceType_lfno_unannClassOrInterfaceType();
unannClassOrInterfaceTypeContext.unannClassType_lfno_unannClassOrInterfaceType().getText();
//unannClassOrInterfaceTypeContext.unannInterfaceType_lfno_unannClassOrInterfaceType().unannClassType_lfno_unannClassOrInterfaceType().typeArguments();
//UnannClassType_lfno_unannClassOrInterfaceTypeContext
unannClassOrInterfaceTypeContext.unannClassType_lf_unannClassOrInterfaceType(0);
unannClassOrInterfaceTypeContext.unannClassType_lf_unannClassOrInterfaceType(0).getText();
unannClassOrInterfaceTypeContext.unannClassType_lf_unannClassOrInterfaceType(1);
unannClassOrInterfaceTypeContext.unannClassType_lf_unannClassOrInterfaceType(1).getText();
unannClassOrInterfaceTypeContext.unannClassType_lfno_unannClassOrInterfaceType().getText();
//unannClassOrInterfaceTypeContext.unannInterfaceType_lf_unannClassOrInterfaceType();
//unannClassOrInterfaceTypeContext.unannInterfaceType_lf_unannClassOrInterfaceType(0).getText();
//unannClassOrInterfaceTypeContext.unannInterfaceType_lf_unannClassOrInterfaceType(1).getText();
//unannClassOrInterfaceTypeContext.unannInterfaceType_lfno_unannClassOrInterfaceType().getText();
*/
int lastElement = new ArrayList<>(unannClassOrInterfaceTypeContext.unannClassType_lf_unannClassOrInterfaceType()).size()-1;
if (lastElement >=0) {//qualifizierter Name z.B.: java.util.Vector
arguments = unannClassOrInterfaceTypeContext.unannClassType_lf_unannClassOrInterfaceType(lastElement).typeArguments();
}
else { //unqualifizierter Name z.B.: Vector
arguments = unannClassOrInterfaceTypeContext.unannClassType_lfno_unannClassOrInterfaceType().typeArguments();
}
}
return convertTypeName(name, arguments, unannClassOrInterfaceTypeContext.getStart(), reg, generics);
}
@ -160,18 +132,6 @@ public class TypeGenerator {
throw new NotImplementedException();
}
}
public static RefTypeOrTPHOrWildcardOrGeneric convert(Java8Parser.WildcardContext wildcardContext, JavaClassRegistry reg, GenericsRegistry generics) {
if(wildcardContext.wildcardBounds() != null){
if(wildcardContext.wildcardBounds().getText().substring(0, 7).equals("extends")){
return new ExtendsWildcardType(convert(wildcardContext.wildcardBounds().referenceType(), reg, generics), wildcardContext.getStart());
}else{
return new SuperWildcardType(convert(wildcardContext.wildcardBounds().referenceType(), reg, generics), wildcardContext.getStart());
}
}else{
throw new NotImplementedException(); //Wildcard ohne Bound
}
}
public static RefTypeOrTPHOrWildcardOrGeneric convertTypeName(String name, Token offset, JavaClassRegistry reg, GenericsRegistry generics){
return convertTypeName(name, null, offset, reg, generics);
@ -179,17 +139,12 @@ public class TypeGenerator {
public static RefTypeOrTPHOrWildcardOrGeneric convertTypeName(
String name, Java8Parser.TypeArgumentsContext typeArguments, Token offset, JavaClassRegistry reg, GenericsRegistry generics){
if(!reg.contains(name)){ //Dann könnte es ein generischer Type oder ein FunN$$-Type sein
if(!reg.contains(name)){ //Dann könnte es ein Generische Type sein
if(generics.contains(name)){
return new GenericRefType(name, offset);
}else{
Pattern p = Pattern.compile("Fun(\\d+)[$][$]");
Matcher m = p.matcher(name);
if (m.matches()) {//es ist FunN$$-Type
return new RefType(new JavaClassName(name), convert(typeArguments, reg, generics), offset);
} else {
throw new TypeinferenceException("Der Typ "+ name + " ist nicht vorhanden",offset);
}}
}
}
if(typeArguments == null){
List<RefTypeOrTPHOrWildcardOrGeneric> params = new ArrayList<>();
@ -207,7 +162,7 @@ public class TypeGenerator {
List<RefTypeOrTPHOrWildcardOrGeneric> ret = new ArrayList<>();
for(Java8Parser.TypeArgumentContext arg : typeArguments.typeArgumentList().typeArgument()){
if(arg.wildcard() != null){
ret.add(convert(arg.wildcard(), reg, generics));
throw new NotImplementedException();
}else{
ret.add(convert(arg.referenceType(), reg, generics));
}

@ -1,13 +1,13 @@
package de.dhbwstuttgart.parser.scope;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.*;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import de.dhbwstuttgart.parser.antlr.Java8BaseListener;
import de.dhbwstuttgart.syntaxtree.AbstractASTWalker;
import org.antlr.v4.runtime.tree.AbstractParseTreeVisitor;
import org.antlr.v4.runtime.tree.ParseTreeWalker;
import org.antlr.v4.runtime.tree.TerminalNode;
import de.dhbwstuttgart.environment.PackageCrawler;
@ -15,7 +15,7 @@ import de.dhbwstuttgart.parser.antlr.Java8Parser;
public class GatherNames {
public static Map<String, Integer> getNames(Java8Parser.CompilationUnitContext ctx, PackageCrawler packages, ClassLoader classLoader) throws ClassNotFoundException{
public static Map<String, Integer> getNames(Java8Parser.CompilationUnitContext ctx, PackageCrawler packages) throws ClassNotFoundException{
Map<String, Integer> ret = new HashMap<>();
String pkgName = getPackageName(ctx);
String nameString = "";
@ -64,12 +64,14 @@ public class GatherNames {
}
}
}
ret.putAll(getImports(ctx, packages, classLoader));
return ret;
ret.putAll(getImports(ctx, packages));
return ret;
}
public static Map<String, Integer> getImports(Java8Parser.CompilationUnitContext ctx, PackageCrawler packages, ClassLoader classLoader) throws ClassNotFoundException {
public static Map<String, Integer> getImports(Java8Parser.CompilationUnitContext ctx, PackageCrawler packages) throws ClassNotFoundException {
Map<String, Integer> ret = new HashMap<>();
ClassLoader classLoader = ClassLoader.getSystemClassLoader();
//ret.putAll(packages.getClassNames("java.lang"));
for(Java8Parser.ImportDeclarationContext importDeclCtx : ctx.importDeclaration()){
if(importDeclCtx.singleTypeImportDeclaration() != null){

@ -84,15 +84,7 @@ public class JavaClassName {
@Override
public String toString() {
return (packageName!=null ? packageName.toString() + "." : "") + name;
}
public String getPackageName() {
return (packageName!=null ? packageName.toString() : "");
}
public String getClassName(){
return name;
return (packageName!=null ? packageName.toString() : "") + name;
}
}
@ -138,9 +130,6 @@ class PackageName{
String ret = "";
if(names == null)return "";
for(String n : names)ret+=n+".";
if (ret != null && ret.length() > 0 && ret.charAt(ret.length() - 1) == '.') {
ret = ret.substring(0, ret.length() - 1);
}
return ret;
}
}

@ -16,9 +16,9 @@ import java.util.*;
public class ASPFactory implements TypeVisitor<String>{
public static String generateASP(ConstraintSet<Pair> constraints, Collection<ClassOrInterface> fcClasses, ClassLoader classLoader) throws ClassNotFoundException{
public static String generateASP(ConstraintSet<Pair> constraints, Collection<ClassOrInterface> fcClasses) throws ClassNotFoundException{
ASPFactory factory = new ASPFactory();
factory.convertFC(fcClasses, classLoader);
factory.convertFC(fcClasses);
List<Constraint<Pair>> constraints1 = constraints.cartesianProduct().iterator().next();
for(Constraint<Pair> constraint : constraints1){
for(Pair p : constraint){
@ -32,8 +32,8 @@ public class ASPFactory implements TypeVisitor<String>{
ASPWriter writer = new ASPWriter();
boolean isFCType = false;
private void convertFC(Collection<ClassOrInterface> classes, ClassLoader classLoader) throws ClassNotFoundException {
Set<Pair> fc = FCGenerator.toFC(classes, classLoader);
private void convertFC(Collection<ClassOrInterface> classes) throws ClassNotFoundException {
Set<Pair> fc = FCGenerator.toFC(classes);
isFCType = true;
for(Pair fcp : fc){
convertPair(fcp);

@ -55,9 +55,9 @@ public class ASPGencayFactory implements TypeVisitor<String> {
return ret;
}
public static String generateASP(ConstraintSet<Pair> constraints, Collection<ClassOrInterface> fcClasses, ClassLoader classLoader) throws ClassNotFoundException{
public static String generateASP(ConstraintSet<Pair> constraints, Collection<ClassOrInterface> fcClasses) throws ClassNotFoundException{
ASPGencayFactory factory = new ASPGencayFactory();
factory.convertFC(fcClasses, classLoader);
factory.convertFC(fcClasses);
List<Constraint<Pair>> constraints1 = constraints.cartesianProduct().iterator().next();
for(Constraint<Pair> constraint : constraints1){
for(Pair p : constraint){
@ -69,8 +69,8 @@ public class ASPGencayFactory implements TypeVisitor<String> {
return factory.writer.getASPFile();
}
private void convertFC(Collection<ClassOrInterface> classes, ClassLoader classLoader) throws ClassNotFoundException {
Set<Pair> fc = FCGenerator.toFC(classes, classLoader);
private void convertFC(Collection<ClassOrInterface> classes) throws ClassNotFoundException {
Set<Pair> fc = FCGenerator.toFC(classes);
isFCType = true;
for(Pair fcp : fc){
generateTheta((RefType) fcp.TA1);

@ -80,9 +80,6 @@ public abstract class AbstractASTWalker implements ASTVisitor{
for(Field f : classOrInterface.getFieldDecl()){
f.accept(this);
}
for(Constructor c : classOrInterface.getConstructors()){
c.accept(this);
}
for(Method m : classOrInterface.getMethods()){
m.accept(this);
}

@ -23,7 +23,6 @@ import java.util.Optional;
* Stellt jede Art von Klasse dar. Auch abstrakte Klassen und Interfaces
*/
public class ClassOrInterface extends SyntaxTreeNode implements TypeScope{
private Boolean methodAdded = false; //wird benoetigt bei in JavaTXCompiler.getConstraints()
protected int modifiers;
protected JavaClassName name;
private List<Field> fields = new ArrayList<>();
@ -35,7 +34,6 @@ public class ClassOrInterface extends SyntaxTreeNode implements TypeScope{
private List<RefType> implementedInterfaces;
private List<Constructor> constructors;
public ClassOrInterface(int modifiers, JavaClassName name, List<Field> fielddecl, Optional<Constructor> fieldInitializations, List<Method> methods, List<Constructor> constructors, GenericDeclarationList genericClassParameters,
RefType superClass, Boolean isInterface, List<RefType> implementedInterfaces, Token offset){
super(offset);
@ -52,33 +50,6 @@ public class ClassOrInterface extends SyntaxTreeNode implements TypeScope{
this.constructors = constructors;
}
/* erzeugt fuer Fields, Konstruktoren und Methoden neue ArrayList-Objekte
* alle anderen Datenobjekte werden nur kopiert.
*/
public ClassOrInterface(ClassOrInterface cl){
super(cl.getOffset());
this.modifiers = cl.modifiers;
this.name = cl.name;
this.fields = new ArrayList<>(cl.fields);
this.fieldInitializations= cl.fieldInitializations;
this.genericClassParameters = cl.genericClassParameters;
this.superClass = cl.superClass;
this.isInterface = cl.isInterface;
this.implementedInterfaces = cl.implementedInterfaces;
this.methods = new ArrayList<>(cl.methods);
this.constructors = new ArrayList<>(cl.constructors);
}
//Gets if it is added
public Boolean areMethodsAdded() {
return methodAdded;
}
//Sets that it is added
public void setMethodsAdded() {
methodAdded = true;
}
// Gets class name
public JavaClassName getClassName(){
return this.name;

@ -27,7 +27,7 @@ public class Constructor extends Method {
*/
protected static Block prepareBlock(Block constructorBlock /*, List<Statement> fieldInitializations new ArrayList<>() geloescht PL 2018-11-24 */){
List<Statement> statements = constructorBlock.getStatements();
statements.add(0, new SuperCall(null, null, constructorBlock.getOffset()));
statements.add(0, new SuperCall(constructorBlock.getOffset()));
/* statements.addAll(fieldInitializations); geloescht PL 2018-11-24 */
return new Block(statements, constructorBlock.getOffset());
}

@ -2,10 +2,6 @@ package de.dhbwstuttgart.syntaxtree;
import org.antlr.v4.runtime.Token;
import com.google.common.collect.Lists;
import de.dhbwstuttgart.parser.NullToken;
import java.util.*;
@ -19,21 +15,11 @@ public class GenericDeclarationList extends SyntaxTreeNode implements Iterable<G
private Token offsetOfLastElement;
private List<GenericTypeVar> gtvs = new ArrayList<>();
@SuppressWarnings("unchecked")
public GenericDeclarationList(Iterable<? extends GenericTypeVar> values, Token endOffset) {
super(endOffset);
gtvs = isListOfGenericTypeVar(values) ? (List<GenericTypeVar>)values : Lists.newArrayList(values);
this.offsetOfLastElement = endOffset;
}
public GenericDeclarationList(ArrayList<GenericTypeVar> values, Token endOffset) {
public GenericDeclarationList(List<GenericTypeVar> values, Token endOffset) {
super(endOffset);
gtvs = values;
this.offsetOfLastElement = endOffset; }
private boolean isListOfGenericTypeVar(Iterable<? extends GenericTypeVar> values) {
return values instanceof List && ((List<?>)values).size() > 0 && ((List<?>)values).get(0) instanceof GenericTypeVar;
this.offsetOfLastElement = endOffset;
}
@Override

@ -31,7 +31,6 @@ public class Method extends SyntaxTreeNode implements IItemWithOffset, TypeScope
private ExceptionList exceptionlist;
private GenericDeclarationList generics;
private final RefTypeOrTPHOrWildcardOrGeneric returnType;
public final Boolean isInherited;
public Method(int modifier, String name, RefTypeOrTPHOrWildcardOrGeneric returnType, ParameterList parameterList, Block block,
GenericDeclarationList gtvDeclarations, Token offset) {
@ -42,19 +41,6 @@ public class Method extends SyntaxTreeNode implements IItemWithOffset, TypeScope
this.parameterlist = parameterList;
this.block = block;
this.generics = gtvDeclarations;
this.isInherited = false;
}
public Method(int modifier, String name, RefTypeOrTPHOrWildcardOrGeneric returnType, ParameterList parameterList, Block block,
GenericDeclarationList gtvDeclarations, Token offset, Boolean isInherited) {
super(offset);
this.name = name;
this.modifier = modifier;
this.returnType = returnType;
this.parameterlist = parameterList;
this.block = block;
this.generics = gtvDeclarations;
this.isInherited = isInherited;
}
public ParameterList getParameterList() {

@ -26,13 +26,6 @@ public class SourceFile extends SyntaxTreeNode{
this.imports = imports;
}
public SourceFile(SourceFile sf) {
super(new NullToken());
this.KlassenVektor = new ArrayList<>(sf.KlassenVektor);
this.imports = new HashSet<>(sf.imports);
}
public String getPkgName(){
return this.pkgName;
}

@ -3,11 +3,8 @@ package de.dhbwstuttgart.syntaxtree.factory;
import java.lang.reflect.*;
import java.lang.reflect.Constructor;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import de.dhbwstuttgart.exceptions.NotImplementedException;
import de.dhbwstuttgart.parser.NullToken;
@ -38,15 +35,8 @@ public class ASTFactory {
for(java.lang.reflect.Constructor constructor : jreClass.getConstructors()){
konstruktoren.add(createConstructor(constructor, jreClass));
}
Set<java.lang.reflect.Method> allMethods = new HashSet<>(Arrays.asList(jreClass.getMethods()));
Set<java.lang.reflect.Method> allDeclaredMethods = new HashSet<>(Arrays.asList(jreClass.getDeclaredMethods()));
Set<java.lang.reflect.Method> allInheritedMethods = new HashSet<>(allMethods);
allInheritedMethods.removeAll(allDeclaredMethods);
for(java.lang.reflect.Method method : allDeclaredMethods){
methoden.add(createMethod(method, jreClass, false));
}
for(java.lang.reflect.Method method : allInheritedMethods){
methoden.add(createMethod(method, jreClass, true));
for(java.lang.reflect.Method method : jreClass.getMethods()){
methoden.add(createMethod(method, jreClass));
}
List<Field> felder = new ArrayList<>();
for(java.lang.reflect.Field field : jreClass.getDeclaredFields()){
@ -80,7 +70,7 @@ public class ASTFactory {
}
private static Field createField(java.lang.reflect.Field field, JavaClassName jreClass) {
return new Field(field.getName(), createType(field.getGenericType()), field.getModifiers(), new NullToken());
return new Field(field.getName(), createType(field.getType()), field.getModifiers(), new NullToken());
}
//private static RefType createType(Class classType) {
@ -112,7 +102,7 @@ public class ASTFactory {
return new de.dhbwstuttgart.syntaxtree.Constructor(modifier, name,returnType, parameterList, block, gtvDeclarations, offset /*, new ArrayList<>() geloescht PL 2018-11-24 */);
}
public static Method createMethod(java.lang.reflect.Method jreMethod, java.lang.Class inClass, Boolean isInherited){
public static Method createMethod(java.lang.reflect.Method jreMethod, java.lang.Class inClass){
String name = jreMethod.getName();
RefTypeOrTPHOrWildcardOrGeneric returnType;
Type jreRetType;
@ -136,7 +126,7 @@ public class ASTFactory {
GenericDeclarationList gtvDeclarations = createGenerics(jreMethod.getTypeParameters(), inClass, jreMethod.getName());
Token offset = new NullToken();
return new Method(jreMethod.getModifiers(), name,returnType, parameterList, block, gtvDeclarations, offset, isInherited);
return new Method(jreMethod.getModifiers(), name,returnType, parameterList, block, gtvDeclarations, offset);
}
public static GenericDeclarationList createGenerics(TypeVariable[] typeParameters, Class context, String methodName){
@ -199,11 +189,11 @@ public class ASTFactory {
public static de.dhbwstuttgart.syntaxtree.GenericTypeVar createGeneric(TypeVariable jreTypeVar, String jreTVName, Class context, String parentMethod){
JavaClassName parentClass = new JavaClassName(context.getName());
List<RefTypeOrTPHOrWildcardOrGeneric> genericBounds = new ArrayList<>();
List<RefType> genericBounds = new ArrayList<>();
java.lang.reflect.Type[] bounds = jreTypeVar.getBounds();
if(bounds.length > 0){
for(java.lang.reflect.Type bound : bounds){
genericBounds.add(createType(bound));
genericBounds.add((RefType) createType(bound));
}
}
return new de.dhbwstuttgart.syntaxtree.GenericTypeVar(jreTVName, genericBounds, new NullToken(), new NullToken());

@ -1,7 +1,6 @@
package de.dhbwstuttgart.syntaxtree.factory;
import java.io.FileWriter;
import java.io.Writer;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@ -31,7 +30,7 @@ public class UnifyTypeFactory {
private static ArrayList<PlaceholderType> PLACEHOLDERS = new ArrayList<>();
public static FiniteClosure generateFC(List<ClassOrInterface> fromClasses, Writer logFile, ClassLoader classLoader) throws ClassNotFoundException {
public static FiniteClosure generateFC(List<ClassOrInterface> fromClasses, FileWriter logFile) throws ClassNotFoundException {
/*
Die transitive Hülle muss funktionieren.
Man darf schreiben List<A> extends AL<A>
@ -42,7 +41,7 @@ public class UnifyTypeFactory {
Generell dürfen sie immer die gleichen Namen haben.
TODO: die transitive Hülle bilden
*/
return new FiniteClosure(FCGenerator.toUnifyFC(fromClasses, classLoader), logFile);
return new FiniteClosure(FCGenerator.toUnifyFC(fromClasses), logFile);
}
public static UnifyPair generateSmallerPair(UnifyType tl, UnifyType tr){
@ -68,6 +67,9 @@ public class UnifyTypeFactory {
public static UnifyType convert(RefTypeOrTPHOrWildcardOrGeneric t, Boolean innerType){
if(t instanceof GenericRefType){
return UnifyTypeFactory.convert((GenericRefType)t, innerType);
}else
if(t instanceof FunN){
return UnifyTypeFactory.convert((FunN)t, innerType);
}else if(t instanceof TypePlaceholder){
return UnifyTypeFactory.convert((TypePlaceholder)t, innerType);
}else if(t instanceof ExtendsWildcardType){
@ -83,13 +85,13 @@ public class UnifyTypeFactory {
public static UnifyType convert(RefType t, Boolean innerType){
//Check if it is a FunN Type:
Pattern p = Pattern.compile("Fun(\\d+)[$][$]");
Pattern p = Pattern.compile("Fun(\\d+)");
Matcher m = p.matcher(t.getName().toString());
boolean b = m.matches();
if(b){
Integer N = Integer.valueOf(m.group(1));
if((N + 1) == t.getParaList().size()){
return convertFunN(t.getParaList(), false);
return convert(new FunN(t.getParaList()), false);
}
}
UnifyType ret;
@ -100,16 +102,16 @@ public class UnifyTypeFactory {
}
ret = new ReferenceType(t.getName().toString(),new TypeParams(params));
}else{
ret = new ReferenceType(t.getName().toString(), false);
ret = new ReferenceType(t.getName().toString());
}
return ret;
}
public static UnifyType convertFunN(List<RefTypeOrTPHOrWildcardOrGeneric> paraList, Boolean innerType){
public static UnifyType convert(FunN t, Boolean innerType){
UnifyType ret;
List<UnifyType> params = new ArrayList<>();
if(paraList != null && paraList.size() > 0){
for(RefTypeOrTPHOrWildcardOrGeneric pT : paraList){
if(t.getParaList() != null && t.getParaList().size() > 0){
for(RefTypeOrTPHOrWildcardOrGeneric pT : t.getParaList()){
params.add(UnifyTypeFactory.convert(pT, false));
}
}
@ -122,7 +124,6 @@ public class UnifyTypeFactory {
System.out.println("XXX"+innerType);
}
PlaceholderType ntph = new PlaceholderType(tph.getName());
ntph.setVariance(tph.getVariance());
int in = PLACEHOLDERS.indexOf(ntph);
if (in == -1) {
PLACEHOLDERS.add(ntph);
@ -137,7 +138,7 @@ public class UnifyTypeFactory {
}
public static UnifyType convert(GenericRefType t, Boolean innerType){
return new ReferenceType(t.getParsedName(), true);
return new ReferenceType(t.getParsedName());
}
public static UnifyType convert(WildcardType t, Boolean innerType){
@ -153,12 +154,8 @@ public class UnifyTypeFactory {
return constraints.map(UnifyTypeFactory::convert);
}
//NEVER USED
public static Constraint<UnifyPair> convert(Constraint<Pair> constraint){
Constraint<UnifyPair> unifyPairConstraint = constraint.stream()
.map(UnifyTypeFactory::convert)
.collect(Collectors.toCollection( () -> new Constraint<UnifyPair> (constraint.isInherited(), convert(constraint.getExtendConstraint()))));
return unifyPairConstraint;
return constraint.stream().map(UnifyTypeFactory::convert).collect(Collectors.toCollection(Constraint::new));
}
public static UnifyPair convert(Pair p) {
@ -227,21 +224,18 @@ public class UnifyTypeFactory {
return new PairTPHequalRefTypeOrWildcardType((TypePlaceholder)tl, (RefType) tr);
}else if(tr instanceof WildcardType){
return new PairTPHequalRefTypeOrWildcardType((TypePlaceholder)tl, (WildcardType) tr);
}else if(tr instanceof GenericRefType){
return new PairTPHequalRefTypeOrWildcardType((TypePlaceholder)tl, (GenericRefType) tr);
}else throw new NotImplementedException();
}else throw new NotImplementedException();
}
public static RefTypeOrTPHOrWildcardOrGeneric convert(ReferenceType t, Map<String,TypePlaceholder> tphs) {
if(JavaClassName.Void.equals(t.getName()))return new Void(new NullToken());
if (t.isGenTypeVar()) return new GenericRefType(t.getName(),new NullToken());
RefType ret = new RefType(new JavaClassName(t.getName()),convert(t.getTypeParams(), tphs),new NullToken());
return ret;
}
public static RefTypeOrTPHOrWildcardOrGeneric convert(FunNType t, Map<String,TypePlaceholder> tphs) {
RefType ret = new RefType(new JavaClassName(t.getName()), convert(t.getTypeParams(), tphs), new NullToken());
RefType ret = new RefType(new JavaClassName(t.getName()+"$$"), convert(t.getTypeParams(), tphs), new NullToken());
return ret;
}

@ -21,24 +21,13 @@ public class MethodCall extends Statement
{
public final String name;
public final Receiver receiver;
public final ArgumentList arglist;
/*
* noetig fuer Bytecodegenerierung
*/
public RefTypeOrTPHOrWildcardOrGeneric receiverType;
public final ArrayList<RefTypeOrTPHOrWildcardOrGeneric> argTypes;
public MethodCall(RefTypeOrTPHOrWildcardOrGeneric retType, Receiver receiver, String methodName, ArgumentList argumentList,
RefTypeOrTPHOrWildcardOrGeneric receiverType, ArrayList<RefTypeOrTPHOrWildcardOrGeneric> argTypes, Token offset){
public MethodCall(RefTypeOrTPHOrWildcardOrGeneric retType, Receiver receiver, String methodName, ArgumentList argumentList, Token offset){
super(retType,offset);
this.arglist = argumentList;
this.name = methodName;
this.receiver = receiver;
this.receiverType = receiverType;
this.argTypes = argTypes;
}
@Override

@ -1,24 +1,24 @@
package de.dhbwstuttgart.syntaxtree.statement;
import java.util.List;
import de.dhbwstuttgart.syntaxtree.StatementVisitor;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceBlockInformation;
import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
import de.dhbwstuttgart.exceptions.NotImplementedException;
public class NewArray extends Expression
{
public NewArray(int offset,int variableLength)
{
super(null,null);
}
private RefTypeOrTPHOrWildcardOrGeneric type;
public List<Expression> expr;
@Override
public void accept(StatementVisitor visitor) {
visitor.visit(this);
}
}
package de.dhbwstuttgart.syntaxtree.statement;
import java.util.List;
import de.dhbwstuttgart.syntaxtree.StatementVisitor;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceBlockInformation;
import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
import de.dhbwstuttgart.exceptions.NotImplementedException;
public class NewArray extends Expression
{
public NewArray(int offset,int variableLength)
{
super(null,null);
}
private RefTypeOrTPHOrWildcardOrGeneric type;
public List<Expression> expr;
@Override
public void accept(StatementVisitor visitor) {
visitor.visit(this);
}
}

@ -29,10 +29,8 @@ public class NewClass extends MethodCall
* @param args Argumente mit denen der New-Call aufgerufen wurde
* @param start
*/
public NewClass(RefType newClass, ArgumentList args, RefTypeOrTPHOrWildcardOrGeneric receiverType,
ArrayList<RefTypeOrTPHOrWildcardOrGeneric> argTypes, Token start) {
super(newClass, new ExpressionReceiver(new EmptyStmt(start)), newClass.getName().toString(),
args, receiverType, argTypes, start);
public NewClass(RefType newClass, ArgumentList args, Token start) {
super(newClass, new ExpressionReceiver(new EmptyStmt(start)), newClass.getName().toString(), args, start);
}
@Override

@ -2,7 +2,6 @@ package de.dhbwstuttgart.syntaxtree.statement;
import de.dhbwstuttgart.syntaxtree.StatementVisitor;
import de.dhbwstuttgart.syntaxtree.type.RefType;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import de.dhbwstuttgart.syntaxtree.type.Void;
import org.antlr.v4.runtime.Token;
@ -13,14 +12,12 @@ import java.util.ArrayList;
public class SuperCall extends MethodCall
{
public SuperCall(RefTypeOrTPHOrWildcardOrGeneric receiverType,
ArrayList<RefTypeOrTPHOrWildcardOrGeneric> argTypes, Token offset){
this(new ArgumentList(new ArrayList<Expression>(), offset), receiverType, argTypes, offset);
public SuperCall(Token offset){
this(new ArgumentList(new ArrayList<Expression>(), offset),offset);
}
public SuperCall(ArgumentList argumentList, RefTypeOrTPHOrWildcardOrGeneric receiverType,
ArrayList<RefTypeOrTPHOrWildcardOrGeneric> argTypes, Token offset){
super(new Void(offset), new ExpressionReceiver(new This(offset)), "<init>", argumentList, receiverType, argTypes, offset);
public SuperCall(ArgumentList argumentList, Token offset){
super(new Void(offset), new ExpressionReceiver(new This(offset)), "<init>", argumentList, offset);
}

@ -19,8 +19,4 @@ public class This extends Expression
public void accept(StatementVisitor visitor) {
visitor.visit(this);
}
public String toString() {
return "this: "+ this.getType();
}
}

@ -8,7 +8,7 @@ public class ThisCall extends MethodCall
{
public ThisCall(Receiver receiver, ArgumentList arglist, int offset)
{
super(null, null, null, null, null, null, null);
super(null, null, null, null, null);
}

@ -0,0 +1,41 @@
package de.dhbwstuttgart.syntaxtree.type;
import de.dhbwstuttgart.parser.NullToken;
import de.dhbwstuttgart.parser.scope.JavaClassName;
import java.util.List;
/**
* @see Spezifikation "Complete Typeinference in Java 8" von Martin Plümicke
* "interface FunN<R,T1, T2, ... ,TN> { R apply(T1 arg1, T2 arg2, ... , TN argN); }"
* @author A10023 - Andreas Stadelmeier
*
* Bemerkung:
* FunN ist ein RefType. Der RefType ist nicht mit einem FunNInterface verbunden.
*
*/
public class FunN extends RefType {
/**
* @author Andreas Stadelmeier, a10023
* Benötigt für den Typinferenzalgorithmus für Java 8
* Generiert einen RefType auf eine FunN<R,T1,...,TN> - Klasse.
* @param params
* @return
*/
public FunN(List<RefTypeOrTPHOrWildcardOrGeneric> params) {
super(new JavaClassName("Fun"+(params.size()-1)), params, new NullToken());
}
/**
* Spezieller Konstruktor um eine FunN ohne Returntype zu generieren
protected FunN(List<? extends Type> list){
super("",0);
if(list==null)throw new NullPointerException();
setT(list);
this.name = new JavaClassName("Fun"+list.size());//getName();
}
*/
}

@ -18,12 +18,7 @@ import org.antlr.v4.runtime.Token;
public class TypePlaceholder extends RefTypeOrTPHOrWildcardOrGeneric
{
private final String name;
/**
* wird bisher nicht genutzt
* setVariance muss ggf. auskommentiert werden.
*/
int variance = 0;
/**
@ -74,16 +69,6 @@ public class TypePlaceholder extends RefTypeOrTPHOrWildcardOrGeneric
return name;
}
/* wird bisher nicht genutzt
public void setVariance(int variance) {
this.variance= variance;
}
*/
public int getVariance() {
return this.variance;
}
@Override
public void accept(ASTVisitor visitor) {
visitor.visit(this);

@ -7,7 +7,6 @@ import de.dhbwstuttgart.syntaxtree.type.*;
import java.lang.reflect.Modifier;
import java.util.Iterator;
import java.util.Optional;
public class OutputGenerator implements ASTVisitor{
private static final String TAB = " ";
@ -124,11 +123,6 @@ public class OutputGenerator implements ASTVisitor{
f.accept(this);
out.append("\n");
}
Optional<Constructor> fI;
if ((fI = classOrInterface.getfieldInitializations()).isPresent()) {
out.append("Initializations:");
fI.get().accept(this);
}
for(Method m : classOrInterface.getMethods()){
out.append(tabs);
m.accept(this);

@ -1,24 +1,22 @@
package de.dhbwstuttgart.typedeployment;
import org.antlr.v4.runtime.Token;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import de.dhbwstuttgart.syntaxtree.statement.This;
import de.dhbwstuttgart.typeinference.result.ResultPair;
public class TypeInsert {
/**
* point wird hauptsächlich zur Anzeige einer Annotation im Eclipse-plugin benutzt.
*/
public final TypeInsertPoint point;
Set<TypeInsertPoint> inserts;
ResultPair<?, ?> resultPair;
public TypeInsert(TypeInsertPoint point, Set<TypeInsertPoint> additionalPoints, ResultPair<?, ?> resultPair){
public TypeInsert(TypeInsertPoint point, Set<TypeInsertPoint> additionalPoints){
this.point = point;
inserts = additionalPoints;
this.resultPair = resultPair;
}
public String insert(String intoSource){
@ -36,10 +34,6 @@ public class TypeInsert {
return point.getInsertString();
}
public ResultPair<?, ?> getResultPair() {
return this.resultPair;
}
/* PL 2018-06-18
* Zwei TypeInsert's sind gleich, wenn ihre point's und ihre inserts' gleich sind
* eingefuegt damit man TypeReplaceMarker vergleichen kann
@ -54,11 +48,6 @@ public class TypeInsert {
}
}
public Set<TypeInsertPoint> getAdditionalPoints() {
return this.inserts;
}
public String toString() {
return point.toString();
}

@ -1,18 +1,9 @@
package de.dhbwstuttgart.typedeployment;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericGenratorResultForSourceFile;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericsGeneratorResult;
import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericsGeneratorResultForClass;
import de.dhbwstuttgart.bytecode.utilities.MethodUtility;
import de.dhbwstuttgart.bytecode.utilities.Resolver;
import de.dhbwstuttgart.core.JavaTXCompiler;
import de.dhbwstuttgart.parser.NullToken;
import de.dhbwstuttgart.syntaxtree.*;
import de.dhbwstuttgart.syntaxtree.type.*;
import de.dhbwstuttgart.typeinference.result.*;
import org.antlr.v4.runtime.Token;
import org.objectweb.asm.Type;
import java.util.*;
@ -31,99 +22,69 @@ import java.util.*;
*/
public class TypeInsertFactory {
private static List<ResultSet> newResults;
public static Set<TypeInsert> createTypeInsertPoints(SourceFile forSourcefile, ResultSet withResults, List<ResultSet> newResults){
TypeInsertFactory.newResults = newResults;
return new TypeInsertPlacer().getTypeInserts(forSourcefile, withResults);
public static Set<TypeInsert> createTypeInsertPoints(SourceFile forSourcefile, ResultSet withResults){
return new TypeInsertPlacer().getTypeInserts(forSourcefile, withResults);
}
public static TypeInsert createInsertPoints(RefTypeOrTPHOrWildcardOrGeneric type, Token offset, ClassOrInterface cl, Method m,
ResultSet resultSet) {
try {
ResolvedType resolvedType = resultSet.resolveType(type);
TypeInsertPoint insertPoint = new TypeInsertPoint(offset,
new TypeToInsertString(resolvedType.resolvedType).insert);
List<GenericGenratorResultForSourceFile> simplifyResults = JavaTXCompiler.INSTANCE.getGeneratedGenericResultsForAllSourceFiles(newResults);
for (GenericGenratorResultForSourceFile simplifyResultsEntries : simplifyResults) {
GenericsGeneratorResultForClass genericResultsForClass = simplifyResultsEntries.getSimplifyResultsByName(cl.getClassName());
return new TypeInsert(insertPoint, createGenericInsert(genericResultsForClass, cl, m, resultSet, offset), resolvedType.getResultPair());
}
return new TypeInsert(insertPoint, new HashSet<>(), resolvedType.getResultPair());
} catch (ClassNotFoundException e) {
e.printStackTrace();
return null;
}
ResolvedType resolvedType = resultSet.resolveType(type);
TypeInsertPoint insertPoint = new TypeInsertPoint(offset,
new TypeToInsertString(resolvedType.resolvedType).insert);
return new TypeInsert(insertPoint, new HashSet<>(Arrays.asList(createGenericInsert(resolvedType.additionalGenerics, cl, m))));
}
private static synchronized Set<TypeInsertPoint> createGenericInsert(GenericsGeneratorResultForClass genericResult, ClassOrInterface cl, Method m, ResultSet resultSet, Token mOffset){
Set<TypeInsertPoint> result = createGenericClassInserts(genericResult, cl);
for (Method method : cl.getMethods()) {
Resolver resolver = new Resolver(resultSet);
List<GenericsGeneratorResult> methodConstraints = genericResult.getMethodConstraintsByID(MethodUtility.createID(resolver, method));
result.addAll(createMethodConstraints(method, methodConstraints, mOffset));
private static TypeInsertPoint createGenericInsert(Set<GenericInsertPair> toInsert, ClassOrInterface cl, Method m){
//Momentan wird Methode ignoriert. Parameter werden immer als Klassenparameter angefügt:
//Offset zum Einstzen bestimmen:
Token offset;
String insert = "";
String end;
if(cl.getGenerics().iterator().hasNext()){
//offset = cl.getGenerics().iterator().next().getOffset();
offset = cl.getGenerics().getOffset();
end=",";
}else{
offset = cl.getGenerics().getOffset();
insert += "<";
end = ">";
}
return result;
//Alle einzusetzenden Generics und deren Bounds bestimmen:
HashMap<TypePlaceholder, HashSet<TypePlaceholder>> genericsAndBounds = new HashMap<>();
for(GenericInsertPair p : toInsert){
if(!genericsAndBounds.containsKey(p.TA1)){
genericsAndBounds.put((TypePlaceholder) p.TA1, new HashSet<>());
}
if(p.TA2 != null){
genericsAndBounds.get(p.TA1).add((TypePlaceholder) p.TA2);
if(!genericsAndBounds.containsKey(p.TA2)){
genericsAndBounds.put((TypePlaceholder) p.TA2, new HashSet<>());
}
}
}
//String zum Einsetzen (Generics mit bounds) generieren:
Iterator<TypePlaceholder> it = genericsAndBounds.keySet().iterator();
if(! it.hasNext())return new TypeInsertPoint(offset, "");
while(it.hasNext()){
TypePlaceholder tph = it.next();
insert += tph.getName();
Set<TypePlaceholder> bounds = genericsAndBounds.get(tph);
if(bounds.size() > 0){
insert += " extends ";
Iterator<TypePlaceholder> boundIt = bounds.iterator();
while(boundIt.hasNext()){
TypePlaceholder bound = boundIt.next();
insert += bound.getName();
if(boundIt.hasNext())insert += " & ";
}
}
if(it.hasNext())insert+=",";
}
return new TypeInsertPoint(offset, insert + end);
}
private static Set<TypeInsertPoint> createMethodConstraints(Method method, List<GenericsGeneratorResult> constraints, Token mOffset) {
Set<TypeInsertPoint> result = new HashSet<>();
Token offset = mOffset;
if (constraints.size() == 0) {
result.add(new TypeInsertPoint(offset, ""));
return result;
}
String insert = " <";
for (GenericsGeneratorResult genericInsertConstraint : constraints) {
if (genericInsertConstraint.getConstraint().getRight().equals(Type.getInternalName(Object.class))) {
insert += genericInsertConstraint.getConstraint().getLeft();
} else {
insert += genericInsertConstraint.getConstraint().getLeft() + " extends " + genericInsertConstraint.getConstraint().getRight() + ", ";
}
}
insert = insert.substring(0, insert.length() -2);
insert += ">";
result.add(new TypeInsertPoint(offset, insert));
return result;
}
private static Set<TypeInsertPoint> createGenericClassInserts(GenericsGeneratorResultForClass genericResult, ClassOrInterface cl) {
Set<TypeInsertPoint> result = new HashSet<>();
Token offset = cl.getGenerics().getOffset();
List<GenericsGeneratorResult> classConstraints = genericResult.getClassConstraints();
if (classConstraints.size() == 0) {
result.add(new TypeInsertPoint(offset, ""));
return result;
}
String insert = " <";
for (GenericsGeneratorResult genericInsertConstraint : classConstraints) {
if (genericInsertConstraint.getConstraint().getRight().equals(Type.getInternalName(Object.class))) {
insert += genericInsertConstraint.getConstraint().getLeft();
} else {
insert += genericInsertConstraint.getConstraint().getLeft() + " extends " + genericInsertConstraint.getConstraint().getRight() + ", ";
}
}
insert = insert.substring(0, insert.length() -2);
insert += ">";
result.add(new TypeInsertPoint(offset, insert));
return result;
}
}
class TypeToInsertString implements ResultSetVisitor{

@ -1,12 +1,13 @@
package de.dhbwstuttgart.typedeployment;
import de.dhbwstuttgart.exceptions.NotImplementedException;
import de.dhbwstuttgart.syntaxtree.*;
import de.dhbwstuttgart.syntaxtree.statement.JavaInternalExpression;
import de.dhbwstuttgart.syntaxtree.statement.LambdaExpression;
import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import de.dhbwstuttgart.typeinference.result.ResultSet;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class TypeInsertPlacer extends AbstractASTWalker{

@ -4,15 +4,12 @@ import org.antlr.v4.runtime.Token;
import de.dhbwstuttgart.typeinference.unify.model.ReferenceType;
import java.time.OffsetDateTime;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
public class TypeInsertPoint {
public Token point;
public final Token point;
private String insertString;
private int extraOffset = 0;
public TypeInsertPoint(Token point, String toInsert){
this.point = point;
@ -24,20 +21,12 @@ public class TypeInsertPoint {
//token.point.getLine() != point.getLine() && token.point.getCharPositionInLine() <= point.getCharPositionInLine()))
token.point.getStartIndex() <= point.getStartIndex()))
.mapToInt((typeInsertPoint -> typeInsertPoint.insertString.length())).sum();
return new StringBuilder(intoSource).insert(point.getStartIndex()+offset+extraOffset, insertString).toString();
return new StringBuilder(intoSource).insert(point.getStartIndex()+offset, insertString).toString();
}
public String getInsertString() {
return insertString;
}
public void addExtraOffset(int toAdd) {
this.extraOffset += toAdd;
}
public int getPositionInCode() {
return point.getStartIndex() + extraOffset;
}
/* PL 2018-06-19
* Zwei TypeInsertPoint's sind gleich, wenn ihre point's gleich sind
@ -54,10 +43,6 @@ public class TypeInsertPoint {
}
}
public Set<TypeInsertPoint> getAdditionalPoints() {
return this.getAdditionalPoints();
}
public String toString() {
return point.toString() + " " + insertString.toString();
}

@ -21,7 +21,7 @@ import java.util.Optional;
public class FunNClass extends ClassOrInterface {
public FunNClass(List<GenericRefType> funNParams) {
super(0, new JavaClassName("Fun"+(funNParams.size()-1)), new ArrayList<>(), Optional.empty() /* eingefuegt PL 2018-11-24 */,
super(0, new JavaClassName("Fun"+(funNParams.size())), new ArrayList<>(), Optional.empty() /* eingefuegt PL 2018-11-24 */,
createMethods(funNParams), new ArrayList<>(), createGenerics(funNParams),
ASTFactory.createObjectType(), true, new ArrayList<>(), new NullToken());

@ -1,10 +1,10 @@
package de.dhbwstuttgart.typeinference.assumptions;
import de.dhbwstuttgart.parser.NullToken;
import de.dhbwstuttgart.parser.scope.JavaClassName;
import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
import de.dhbwstuttgart.syntaxtree.TypeScope;
import de.dhbwstuttgart.syntaxtree.type.FunN;
import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
import de.dhbwstuttgart.syntaxtree.type.RefType;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
@ -17,15 +17,13 @@ public class MethodAssumption extends Assumption{
private ClassOrInterface receiver;
private RefTypeOrTPHOrWildcardOrGeneric retType;
List<? extends RefTypeOrTPHOrWildcardOrGeneric> params;
private final Boolean isInherited;
public MethodAssumption(ClassOrInterface receiver, RefTypeOrTPHOrWildcardOrGeneric retType,
List<? extends RefTypeOrTPHOrWildcardOrGeneric> params, TypeScope scope, Boolean isInherited){
List<? extends RefTypeOrTPHOrWildcardOrGeneric> params, TypeScope scope){
super(scope);
this.receiver = receiver;
this.retType = retType;
this.params = params;
this.isInherited = isInherited;
}
/*
@ -65,15 +63,11 @@ public class MethodAssumption extends Assumption{
}
RefTypeOrTPHOrWildcardOrGeneric receiverType;
if(receiver instanceof FunNClass){
receiverType = new RefType(new JavaClassName(receiver.getClassName().toString()+"$$"), params, new NullToken()); // new FunN(params);
receiverType = new FunN(params);
}else{
receiverType = new RefType(receiver.getClassName(), params, new NullToken());
}
return receiverType;
}
public Boolean isInherited() {
return isInherited;
}
}

@ -7,47 +7,4 @@ import java.util.HashSet;
import java.util.Set;
public class Constraint<A> extends HashSet<A> {
private static final long serialVersionUID = 1L;
private Boolean isInherited = false;//wird nur für die Method-Constraints benoetigt
private Constraint<A> extendConstraint = null;
public Constraint() {
super();
}
public Constraint(Boolean isInherited) {
this.isInherited = isInherited;
}
public Constraint(Boolean isInherited, Constraint<A> extendConstraint) {
this.isInherited = isInherited;
this.extendConstraint = extendConstraint;
}
public void setIsInherited(Boolean isInherited) {
this.isInherited = isInherited;
}
public Boolean isInherited() {
return isInherited;
}
public Constraint<A> getExtendConstraint() {
return extendConstraint;
}
public void setExtendConstraint(Constraint<A> c) {
extendConstraint = c;
}
public String toString() {
return super.toString() + " isInherited = " + isInherited
//" + extendsContraint: " + (extendConstraint != null ? extendConstraint.toStringBase() : "null" )
+ "\n" ;
}
public String toStringBase() {
return super.toString();
}
}

@ -6,7 +6,6 @@ import de.dhbwstuttgart.typeinference.unify.GuavaSetOperations;
import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
import java.util.*;
import java.util.function.BinaryOperator;
import java.util.function.Consumer;
import java.util.function.Function;
import java.util.stream.Collectors;
@ -30,10 +29,7 @@ public class ConstraintSet<A> {
@Override
public String toString(){
BinaryOperator<String> b = (x,y) -> x+y;
return "\nUND:" + this.undConstraints.toString() + "\n" +
"ODER:" + this.oderConstraints.stream().reduce("", (x,y) -> x.toString()+ "\n" +y, b);
//cartesianProduct().toString();
return cartesianProduct().toString();
}
public Set<List<Constraint<A>>> cartesianProduct(){
@ -45,49 +41,16 @@ public class ConstraintSet<A> {
return new GuavaSetOperations().cartesianProduct(allConstraints);
}
public <B> ConstraintSet<B> map(Function<? super A, ? extends B> o) {
Hashtable<Constraint<A>,Constraint<B>> CSA2CSB = new Hashtable<>();
public <B> ConstraintSet<B> map(Function<? super A,? extends B> o) {
ConstraintSet<B> ret = new ConstraintSet<>();
ret.undConstraints = undConstraints.stream().map(o).collect(Collectors.toCollection(Constraint<B>::new));
List<Set<Constraint<B>>> newOder = new ArrayList<>();
/*
for(Set<Constraint<A>> oderConstraint : oderConstraints){
oderConstraint.forEach(as -> {
Constraint<B> newConst = as.stream()
.map(o)
.collect(Collectors.toCollection(
() -> new Constraint<B> (as.isInherited())));
CSA2CSB.put(as, newConst);} );
}
*/
for(Set<Constraint<A>> oderConstraint : oderConstraints){
newOder.add(
oderConstraint.parallelStream().map((Constraint<A> as) -> {
Constraint<B> newConst = as.stream()
.map(o)
.collect(Collectors.toCollection((as.getExtendConstraint() != null)
? () -> new Constraint<B> (as.isInherited(),
as.getExtendConstraint().stream().map(o).collect(Collectors.toCollection(Constraint::new)))
: () -> new Constraint<B> (as.isInherited())
));
//CSA2CSB.put(as, newConst);
return newConst;
/*
Constraint<B> bs = CSA2CSB.get(as);
if (as.getExtendConstraint() != null) {
bs.setExtendConstraint(CSA2CSB.get(as.getExtendConstraint()));
}
return bs;
*/
}).collect(Collectors.toSet())
oderConstraint.parallelStream().map((Constraint<A> as) ->
as.stream().map(o).collect(Collectors.toCollection(Constraint<B>::new))).collect(Collectors.toSet())
);
}
ret.oderConstraints = newOder;
return ret;
}

@ -23,9 +23,4 @@ public class GenericInsertPair {
if(TA2.equals(additionalTPH))return true;
return false;
}
@Override
public String toString() {
return "GenIns(" + TA1.toString() + " < " + TA2.toString() + ")";
}
}

@ -21,9 +21,4 @@ public class PairTPHequalRefTypeOrWildcardType extends ResultPair{
public void accept(ResultPairVisitor visitor) {
visitor.visit(this);
}
@Override
public String toString() {
return "(" + left.toString() + " = " + right.toString() + ")";
}
}

@ -20,9 +20,4 @@ public class PairTPHsmallerTPH extends ResultPair{
public void accept(ResultPairVisitor visitor) {
visitor.visit(this);
}
@Override
public String toString() {
return "(" + left.toString() + " < " + right.toString() + ")";
}
}

@ -7,21 +7,11 @@ import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import java.util.Set;
public class ResolvedType{
private ResultPair<?, ?> resultPair;
public final RefTypeOrTPHOrWildcardOrGeneric resolvedType;
//public final Set<GenericInsertPair> additionalGenerics;
public final Set<GenericInsertPair> additionalGenerics;
public ResolvedType(RefTypeOrTPHOrWildcardOrGeneric resolvedType, Set<GenericInsertPair> additionalGenerics){
this.resolvedType = resolvedType;
//this.additionalGenerics = additionalGenerics;
this.additionalGenerics = additionalGenerics;
}
public void setResultPair(ResultPair<?, ?> resultPair) {
this.resultPair = resultPair;
}
public ResultPair<?, ?> getResultPair() {
return resultPair;
}
}

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