Kleiner Bug beseitigt

*

doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/BoolLiteral.html

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doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/CharLiteral.html

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doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/DoubleLiteral.html

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doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/FloatLiteral.html

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doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/IntLiteral.html

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doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/Literal.html

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doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/LongLiteral.html

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doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/NegativeExpr.html

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doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/NotExpr.html

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doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/Null.html

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doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/PositivExpr.html

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doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/PostDecExpr.html

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doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/PostIncExpr.html

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doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/PreDecExpr.html

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doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/PreIncExpr.html

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doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/StringLiteral.html

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doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/class-use/Literal.html

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doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/class-use/NotExpr.html

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doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/class-use/PositivExpr.html

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doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/class-use/PostDecExpr.html

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 </div>
-<div class="classUseContainer">No usage of de.dhbwstuttgart.syntaxtree.statement.PostDecExpr</div>
+<div class="classUseContainer">No usage of de.dhbwstuttgart.syntaxtree.statement.javaInternal.PostDecExpr</div>
 <!-- ======= START OF BOTTOM NAVBAR ====== -->
 <div class="bottomNav"><a name="navbar.bottom">
 <!--   -->

doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/class-use/PostIncExpr.html

@@ -3,7 +3,7 @@
 <html lang="de">
 <head>
 <!-- Generated by javadoc (1.8.0_05) on Tue May 12 19:56:24 CEST 2015 -->
-<title>Uses of Class de.dhbwstuttgart.syntaxtree.statement.PostIncExpr</title>
+<title>Uses of Class de.dhbwstuttgart.syntaxtree.statement.javaInternal.PostIncExpr</title>
 <meta name="date" content="2015-05-12">
 <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style">
 <script type="text/javascript" src="../../../../../script.js"></script>
@@ -70,9 +70,9 @@
 </a></div>
 <!-- ========= END OF TOP NAVBAR ========= -->
 <div class="header">
-<h2 title="Uses of Class de.dhbwstuttgart.syntaxtree.statement.PostIncExpr" class="title">Uses of Class<br>de.dhbwstuttgart.syntaxtree.statement.PostIncExpr</h2>
+<h2 title="Uses of Class de.dhbwstuttgart.syntaxtree.statement.javaInternal.PostIncExpr" class="title">Uses of Class<br>de.dhbwstuttgart.syntaxtree.statement.PostIncExpr</h2>
 </div>
-<div class="classUseContainer">No usage of de.dhbwstuttgart.syntaxtree.statement.PostIncExpr</div>
+<div class="classUseContainer">No usage of de.dhbwstuttgart.syntaxtree.statement.javaInternal.PostIncExpr</div>
 <!-- ======= START OF BOTTOM NAVBAR ====== -->
 <div class="bottomNav"><a name="navbar.bottom">
 <!--   -->

doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/class-use/PreDecExpr.html

@@ -3,7 +3,7 @@
 <html lang="de">
 <head>
 <!-- Generated by javadoc (1.8.0_05) on Tue May 12 19:56:24 CEST 2015 -->
-<title>Uses of Class de.dhbwstuttgart.syntaxtree.statement.PreDecExpr</title>
+<title>Uses of Class de.dhbwstuttgart.syntaxtree.statement.javaInternal.PreDecExpr</title>
 <meta name="date" content="2015-05-12">
 <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style">
 <script type="text/javascript" src="../../../../../script.js"></script>
@@ -70,9 +70,9 @@
 </a></div>
 <!-- ========= END OF TOP NAVBAR ========= -->
 <div class="header">
-<h2 title="Uses of Class de.dhbwstuttgart.syntaxtree.statement.PreDecExpr" class="title">Uses of Class<br>de.dhbwstuttgart.syntaxtree.statement.PreDecExpr</h2>
+<h2 title="Uses of Class de.dhbwstuttgart.syntaxtree.statement.javaInternal.PreDecExpr" class="title">Uses of Class<br>de.dhbwstuttgart.syntaxtree.statement.PreDecExpr</h2>
 </div>
-<div class="classUseContainer">No usage of de.dhbwstuttgart.syntaxtree.statement.PreDecExpr</div>
+<div class="classUseContainer">No usage of de.dhbwstuttgart.syntaxtree.statement.javaInternal.PreDecExpr</div>
 <!-- ======= START OF BOTTOM NAVBAR ====== -->
 <div class="bottomNav"><a name="navbar.bottom">
 <!--   -->

doc/LambdaJavadoc/de/dhbwstuttgart/syntaxtree/statement/class-use/PreIncExpr.html

@@ -3,7 +3,7 @@
 <html lang="de">
 <head>
 <!-- Generated by javadoc (1.8.0_05) on Tue May 12 19:56:24 CEST 2015 -->
-<title>Uses of Class de.dhbwstuttgart.syntaxtree.statement.PreIncExpr</title>
+<title>Uses of Class de.dhbwstuttgart.syntaxtree.statement.javaInternal.PreIncExpr</title>
 <meta name="date" content="2015-05-12">
 <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style">
 <script type="text/javascript" src="../../../../../script.js"></script>
@@ -70,9 +70,9 @@
 </a></div>
 <!-- ========= END OF TOP NAVBAR ========= -->
 <div class="header">
-<h2 title="Uses of Class de.dhbwstuttgart.syntaxtree.statement.PreIncExpr" class="title">Uses of Class<br>de.dhbwstuttgart.syntaxtree.statement.PreIncExpr</h2>
+<h2 title="Uses of Class de.dhbwstuttgart.syntaxtree.statement.javaInternal.PreIncExpr" class="title">Uses of Class<br>de.dhbwstuttgart.syntaxtree.statement.PreIncExpr</h2>
 </div>
-<div class="classUseContainer">No usage of de.dhbwstuttgart.syntaxtree.statement.PreIncExpr</div>
+<div class="classUseContainer">No usage of de.dhbwstuttgart.syntaxtree.statement.javaInternal.PreIncExpr</div>
 <!-- ======= START OF BOTTOM NAVBAR ====== -->
 <div class="bottomNav"><a name="navbar.bottom">
 <!--   -->

pom.xml

@@ -22,6 +22,11 @@
    	 <artifactId>antlr4</artifactId>
    	 <version>4.7</version>
 	</dependency>
+<dependency>
+    <groupId>commons-io</groupId>
+    <artifactId>commons-io</artifactId>
+    <version>2.6</version>
+</dependency>
 <dependency>
 <groupId>com.google.guava</groupId>
     <artifactId>guava</artifactId>
@@ -68,6 +73,14 @@
           </execution>
         </executions>
       </plugin>
+        <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-compiler-plugin</artifactId>
+            <configuration>
+                <source>9</source>
+                <target>9</target>
+            </configuration>
+        </plugin>
     </plugins>
        </build>
    <properties>

src/de/dhbwstuttgart/bytecode/BytecodeGen.java

@@ -1,80 +1,73 @@
 package de.dhbwstuttgart.bytecode;
 
-import java.awt.List;
-import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Iterator;
 
+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 de.dhbwstuttgart.bytecode.descriptor.DescriptorToString;
+import de.dhbwstuttgart.bytecode.descriptor.TypeToDescriptor;
+import de.dhbwstuttgart.bytecode.signature.Signature;
+import de.dhbwstuttgart.bytecode.signature.TypeToString;
 import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
 import de.dhbwstuttgart.syntaxtree.*;
-import de.dhbwstuttgart.syntaxtree.statement.ArgumentList;
-import de.dhbwstuttgart.syntaxtree.statement.Assign;
-import de.dhbwstuttgart.syntaxtree.statement.AssignToField;
-import de.dhbwstuttgart.syntaxtree.statement.Binary;
-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.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.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.Receiver;
-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.UnaryPlus;
-import de.dhbwstuttgart.syntaxtree.statement.WhileStmt;
-import de.dhbwstuttgart.syntaxtree.statement.literal.Literal;
-import de.dhbwstuttgart.syntaxtree.statement.literal.Null;
+import de.dhbwstuttgart.syntaxtree.statement.Literal;
 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.ResultSet;
 
 public class BytecodeGen implements ASTVisitor {
 	
 	ClassWriter cw =new ClassWriter(ClassWriter.COMPUTE_FRAMES|ClassWriter.COMPUTE_MAXS);
-//	String methDesc;
 	
 	String type;
 	
 	String className;
+	private boolean isInterface;
+	private ResultSet resultSet;
+	private int indexOfFirstParam = 0;
 	
 	// 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<>();
+	HashMap<String, Integer> paramsAndLocals = new HashMap<>();
+	// stores generics and their bounds of class
+	HashMap<String, String> genericsAndBounds = new HashMap<>();
+	// stores generics and their bounds of method
+	HashMap<String, String> genericsAndBoundsMethod = new HashMap<>();
+	
+	HashMap<String,RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes = new HashMap<>();
 	byte[] bytecode;
 	HashMap<String,byte[]> classFiles;
 	
-	public BytecodeGen(HashMap<String,byte[]> classFiles) {
+	public BytecodeGen(HashMap<String,byte[]> classFiles, ResultSet resultSet) {
 		this.classFiles = classFiles;
-		paramsAndLocals = new HashMap<>();
+		this.resultSet = resultSet;
 	}
 	
 	@Override
 	public void visit(SourceFile sourceFile) {
 		for(ClassOrInterface cl : sourceFile.getClasses()) {
-			BytecodeGen classGen = new BytecodeGen(classFiles);
+			System.out.println("in Class: " + cl.getClassName().toString());
+			BytecodeGen classGen = new BytecodeGen(classFiles, resultSet);
 			cl.accept(classGen);
 			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}
+	 * 
+	 * @param name name of the class with which the the bytecode is to be associated
+	 */
 	private void writeClass(String name) {
 		bytecode = cw.toByteArray();
 		classFiles.put(name, bytecode);
@@ -84,17 +77,32 @@ public class BytecodeGen implements ASTVisitor {
 	public HashMap<String,byte[]> getClassFiles() {
 		return classFiles;
 	}
+	
+	
 	@Override
 	public void visit(ClassOrInterface classOrInterface) {
 		className = classOrInterface.getClassName().toString();
-		// access flages??
-		cw.visit(Opcodes.V1_8, classOrInterface.getModifiers()+Opcodes.ACC_SUPER, classOrInterface.getClassName().toString()
-				, null, classOrInterface.getSuperClass().toString(), null);
+		
+		cw.visitSource(className +".jav", null);
+		
+		isInterface = (classOrInterface.getModifiers()&512)==512;
+
+		int acc = isInterface?classOrInterface.getModifiers()+Opcodes.ACC_ABSTRACT:classOrInterface.getModifiers()+Opcodes.ACC_SUPER;
+		String sig = null;
+		/* if class has generics then creates signature
+		 * Signature looks like:
+		 * <E:Ljava/...>Superclass 
+		 */
+		if(classOrInterface.getGenerics().iterator().hasNext()) {
+			Signature signature = new Signature(classOrInterface, genericsAndBounds);
+			sig = signature.toString();
+		}
+		// needs implemented Interfaces?
+		cw.visit(Opcodes.V1_8, acc, classOrInterface.getClassName().toString()
+				, sig, classOrInterface.getSuperClass().acceptTV(new TypeToDescriptor()), null);
 		
 		// for each field in the class
 		for(Field f : classOrInterface.getFieldDecl()) {
-			System.out.println("get Fields");
-			System.out.println(f.getName());
 			f.accept(this);
 		}
 		
@@ -105,42 +113,98 @@ public class BytecodeGen implements ASTVisitor {
 		for(Method m : classOrInterface.getMethods()) {
 			m.accept(this);
 		}
-		cw.visitSource(classOrInterface.getClassName().toString()+".jav", null);
 	}
-	
+
 	@Override
 	public void visit(Constructor field) {
-		Descriptor desc = new Descriptor(field);
-		MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", desc.getDesc(), null, null); 
+		field.getParameterList().accept(this);
+		
+		String desc = null;
+		boolean hasGen = false;
+		
+		for(String paramName : methodParamsAndTypes.keySet()) {
+			String typeOfParam = methodParamsAndTypes.get(paramName).acceptTV(new TypeToDescriptor());
+			if(genericsAndBounds.containsKey(typeOfParam)) {
+				hasGen = true;
+				break;
+			}
+		}
+		String sig = null;
+		if(hasGen) {
+			Signature signature = new Signature(field, genericsAndBounds,methodParamsAndTypes);
+			sig = signature.toString();
+		}
+		NormalConstructor constructor = new NormalConstructor(field,genericsAndBounds,hasGen);
+		desc = constructor.accept(new DescriptorToString(resultSet));
+		MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", desc, sig, null);
 		mv.visitCode();		
-		System.out.println("-----Constructor-----");
-		BytecodeGenMethod gen = new BytecodeGenMethod(className,field, mv,paramsAndLocals,desc.getDesc(),cw);
-
-		mv.visitInsn(Opcodes.RETURN);
+		BytecodeGenMethod gen = new BytecodeGenMethod(className,resultSet,field, mv,paramsAndLocals,cw,
+				genericsAndBoundsMethod,genericsAndBounds,isInterface,classFiles);
+		if(!field.getParameterList().iterator().hasNext()) {
+			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
+		// else it will be stored in pos 1 and this will be stored in pos 0
 		method.getParameterList().accept(this);
-		Descriptor methDesc = new Descriptor(method);
-		System.out.println("-----Method-----");
-		MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, method.getName(), methDesc.getDesc(), null, null); 
+
+		String methDesc = null;
+		
+		// Method getModifiers() ?
+		int acc = isInterface?Opcodes.ACC_ABSTRACT:method.modifier;
+		
+		boolean hasGenInParameterList = genericsAndBounds.containsKey(resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToDescriptor()));
+		if(!hasGenInParameterList) {
+			for(String paramName : methodParamsAndTypes.keySet()) {
+				String typeOfParam = methodParamsAndTypes.get(paramName).acceptTV(new TypeToDescriptor());
+				if(genericsAndBounds.containsKey(typeOfParam)) {
+					hasGenInParameterList = true;
+					break;
+				}
+			}
+		}
+		
+		//TODO: Test if the return-type or any of the parameter is a parameterized type. (VP)
+		//than create the descriptor with the new syntax.
+		
+		String sig = null;
+		boolean hasGen = method.getGenerics().iterator().hasNext() || hasGenInParameterList;
+		
+		/* if method has generics or return type is TPH, create signature */
+		if(hasGen||method.getReturnType().acceptTV(new TypeToString()).equals("TPH")) {
+			// resultset hier zum testen 
+			Signature signature = new Signature(method, genericsAndBoundsMethod, methodParamsAndTypes,resultSet);
+			sig = signature.toString();
+		}
+		System.out.println(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);
+
 		mv.visitCode();		
 		
-		BytecodeGenMethod gen = new BytecodeGenMethod(className,method, mv,paramsAndLocals,methDesc.getDesc(),cw);
+		BytecodeGenMethod gen = new BytecodeGenMethod(className,resultSet,method, mv,paramsAndLocals,cw,
+				genericsAndBounds,genericsAndBounds,isInterface,classFiles);
 		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()) {
 			FormalParameter fp = itr.next();
 			paramsAndLocals.put(fp.getName(), i);
+			methodParamsAndTypes.put(fp.getName(), resultSet.resolveType(fp.getType()).resolvedType);
 			fp.accept(this);
 			i++;
 		}
@@ -183,7 +247,6 @@ public class BytecodeGen implements ASTVisitor {
 	// ??
 	@Override
 	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);
 		fv.visitEnd();
@@ -192,7 +255,6 @@ public class BytecodeGen implements ASTVisitor {
 	// access flages?? modifiers
 	@Override
 	public void visit(Field field) {
-		System.out.println("in field");
 		FieldVisitor fv = cw.visitField(Opcodes.ACC_PRIVATE, field.getName(), "L"+field.getType().toString().replace(".", "/")+";", null, null);
 		fv.visitEnd();
 	}
@@ -210,9 +272,8 @@ public class BytecodeGen implements ASTVisitor {
 	}
 
 	@Override
-	public void visit(Binary binary) {
-		// TODO Auto-generated method stub
-		
+	public void visit(BinaryExpr binary) {
+
 	}
 
 	@Override
@@ -281,12 +342,6 @@ public class BytecodeGen implements ASTVisitor {
 		
 	}
 
-	@Override
-	public void visit(Receiver receiver) {
-		// TODO Auto-generated method stub
-		
-	}
-
 	@Override
 	public void visit(Return aReturn) {
 		// TODO Auto-generated method stub
@@ -317,12 +372,6 @@ public class BytecodeGen implements ASTVisitor {
 		
 	}
 
-	@Override
-	public void visit(UnaryPlus unaryPlus) {
-		// TODO Auto-generated method stub
-		
-	}
-
 	@Override
 	public void visit(WhileStmt whileStmt) {
 		// TODO Auto-generated method stub
@@ -335,11 +384,6 @@ public class BytecodeGen implements ASTVisitor {
 		
 	}
 
-	@Override
-	public void visit(Null aNull) {
-		// TODO Auto-generated method stub
-		
-	}
 	// ???
 	@Override
 	public void visit(Literal literal) {
@@ -379,8 +423,18 @@ public class BytecodeGen implements ASTVisitor {
 
 	@Override
 	public void visit(SuperCall superCall) {
-		// TODO Auto-generated method stub
 		
 	}
 
+	@Override
+	public void visit(ExpressionReceiver expressionReceiver) {
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public void visit(UnaryExpr unaryExpr) {
+		throw new NotImplementedException();
+	}
+
 }

src/de/dhbwstuttgart/bytecode/BytecodeGenMethod.java

@@ -1,110 +1,114 @@
 package de.dhbwstuttgart.bytecode;
 
-import java.io.PrintStream;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
 import java.lang.invoke.CallSite;
 import java.lang.invoke.MethodHandle;
 import java.lang.invoke.MethodHandles;
 import java.lang.invoke.MethodType;
-import java.security.GeneralSecurityException;
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.Iterator;
 
+import de.dhbwstuttgart.exceptions.NotImplementedException;
+import de.dhbwstuttgart.syntaxtree.statement.*;
 import org.objectweb.asm.ClassWriter;
 import org.objectweb.asm.Handle;
 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 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.parser.SyntaxTreeGenerator.AssignToLocal;
+import de.dhbwstuttgart.syntaxtree.FormalParameter;
 import de.dhbwstuttgart.syntaxtree.Method;
 import de.dhbwstuttgart.syntaxtree.StatementVisitor;
-import de.dhbwstuttgart.syntaxtree.statement.ArgumentList;
-import de.dhbwstuttgart.syntaxtree.statement.Assign;
-import de.dhbwstuttgart.syntaxtree.statement.AssignToField;
-import de.dhbwstuttgart.syntaxtree.statement.Binary;
-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.Expression;
-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.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.Receiver;
-import de.dhbwstuttgart.syntaxtree.statement.Return;
-import de.dhbwstuttgart.syntaxtree.statement.ReturnVoid;
-import de.dhbwstuttgart.syntaxtree.statement.Statement;
-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.UnaryPlus;
-import de.dhbwstuttgart.syntaxtree.statement.WhileStmt;
-import de.dhbwstuttgart.syntaxtree.statement.literal.Literal;
-import de.dhbwstuttgart.syntaxtree.statement.literal.Null;
+
+import de.dhbwstuttgart.syntaxtree.statement.Literal;
+
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import de.dhbwstuttgart.typeinference.result.ResultSet;
 
 public class BytecodeGenMethod implements StatementVisitor{
 	
 	private Method m;
 	private MethodVisitor mv;
 	private HashMap<String, Integer> paramsAndLocals = new HashMap<>(); 
-	private String desc;
 	private String className;
-	private int lamCounter;
+	private int lamCounter = -1;
 	private ClassWriter cw;
+	private ResultSet resultSet;
+	private boolean isInterface;
+	HashMap<String, String> genericsAndBoundsMethod;
+	private HashMap<String,String> genericsAndBounds;
+	private boolean isBinaryExp = false;
 	
 	//for tests **
 	private String fieldName;
 	private String fieldDesc;
 	private Expression rightSideTemp;
-	private String where;
+	private boolean isRightSideALambda = false;
+	private KindOfLambda kindOfLambda;
+	private HashMap<String, byte[]> classFiles;
 	
-	public BytecodeGenMethod(String className, Method m, MethodVisitor mv, HashMap<String, Integer> paramsAndLocals,
-			String desc, ClassWriter cw) {
-		
-		this.where = "NORMAL METHOD";
+	private ArrayList<RefTypeOrTPHOrWildcardOrGeneric> varsFunInterface = new ArrayList<>();;
+	
+	public BytecodeGenMethod(String className,ResultSet resultSet, Method m, MethodVisitor mv, 
+			HashMap<String, Integer> paramsAndLocals, ClassWriter cw, HashMap<String, String> genericsAndBoundsMethod, 
+			HashMap<String,String> genericsAndBounds, boolean isInterface, HashMap<String, byte[]> classFiles) {
 		
 		this.className = className;
+		this.resultSet = resultSet;
 		this.m = m;
 		this.mv = mv;
 		this.paramsAndLocals = paramsAndLocals;
-		this.desc = desc;
 		this.cw = cw;
-		this.lamCounter = -1;
+		this.genericsAndBoundsMethod = genericsAndBoundsMethod;
+		this.genericsAndBounds = genericsAndBounds;
+		this.isInterface = isInterface;
+		this.classFiles = classFiles;
 		
-		this.m.block.accept(this);
+		if(!isInterface)
+			this.m.block.accept(this);
 		
 	}
 	
-	public BytecodeGenMethod(LambdaExpression lambdaExpression, MethodVisitor mv, 
-			HashMap<String, Integer> paramsAndLocals, String desc) {
-		System.out.println("++++++IN LAMBDA -------");
-		
-		this.where = "&&&&&&&& LAMBDA METHOD";
+	public BytecodeGenMethod(LambdaExpression lambdaExpression,ResultSet resultSet ,MethodVisitor mv, 
+			 int indexOfFirstParamLam, boolean isInterface, HashMap<String, byte[]> classFiles) {
 		
+		this.resultSet = resultSet;
 		this.mv = mv;
-		this.paramsAndLocals = paramsAndLocals;
-		this.desc = desc;
-		
-		this.lamCounter = -1;
-		
+		this.isInterface = isInterface;
+		this.classFiles = classFiles;
+
+		Iterator<FormalParameter> itr = lambdaExpression.params.iterator();
+		int i = indexOfFirstParamLam;
+		while(itr.hasNext()) {
+			FormalParameter fp = itr.next();
+			this.paramsAndLocals.put(fp.getName(), i);
+			i++;
+		}
 		lambdaExpression.methodBody.accept(this);
 	}
 	
+	private String getResolvedType(RefTypeOrTPHOrWildcardOrGeneric type) {
+		return resultSet.resolveType(type).resolvedType.acceptTV(new TypeToDescriptor());
+	}
+	
+	
 	@Override
 	public void visit(Block block) {
 		for(Statement stmt : block.getStatements()) {
-			System.out.println(where);
-			System.out.println("Stmt : " + stmt.toString());
+//			System.out.println(where);
 			stmt.accept(this);
-			System.out.println("--------------------------\n");
 		}
 	}
 	
@@ -112,75 +116,174 @@ public class BytecodeGenMethod implements StatementVisitor{
 	public void visit(SuperCall superCall) {
 		superCall.receiver.accept(this);
 		superCall.arglist.accept(this);
-//		mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", superCall.name, desc,false);
-		mv.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Object.class), superCall.name, desc,false);
+		mv.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Object.class), superCall.name, "()V",isInterface);
 	}
 	
 	// ??
 	@Override
 	public void visit(LocalVar localVar) {
-		System.out.println("in Local Var");
+		mv.visitVarInsn(Opcodes.ALOAD, paramsAndLocals.get(localVar.name));
+		if(isBinaryExp) {
+			getVlaue(getResolvedType(localVar.getType()));
+		}
 	}
 	// ??
 	@Override
 	public void visit(LocalVarDecl localVarDecl) {
-//		Integer i;
-		paramsAndLocals.put(localVarDecl.getName(), paramsAndLocals.size()+1);
-		System.out.println("In localVarDecl");
+
 	}
 
 	@Override
 	public void visit(Assign assign) {
-		System.out.println("Assign : \nright = "+assign.rightSide + "\nLeft = " + assign.lefSide);
-		
-		if(assign.lefSide.getClass().equals(AssignToField.class)) {
-			// load_0, ldc or .. then putfield
-			this.rightSideTemp = assign.rightSide;
-			assign.lefSide.accept(this);
+		// if the right side is a lambda => the left side must be a functional interface
+		if(assign.rightSide instanceof LambdaExpression) {
+			isRightSideALambda = true;
 		}else {
-			assign.rightSide.accept(this);
-			assign.lefSide.accept(this);
+			isRightSideALambda = false;
 		}
 		
+		if(assign.rightSide instanceof BinaryExpr)
+			isBinaryExp = true;
 		
-		
+		if(assign.lefSide instanceof AssignToField) {
+			// load_0, ldc or .. then putfield
+			this.rightSideTemp = assign.rightSide;
+		}else {
+			assign.rightSide.accept(this);
+		}
+		if(isBinaryExp) {
+			doAssign(getResolvedType(assign.lefSide.getType()));
+			isBinaryExp = false;
+		}
+		assign.lefSide.accept(this);
 	}
 	
 	@Override
-	public void visit(Binary binary) {
-		System.out.println("++ In Binary: ");
+	public void visit(BinaryExpr binary) {
+		binary.lexpr.accept(this);
+		binary.rexpr.accept(this);
+		switch (binary.operation.toString()) {
+		case "ADD":
+			mv.visitInsn(Opcodes.IADD);
+			break;
+
+		default:
+			break;
+		}
+		
 	}
 	
 	@Override
 	public void visit(LambdaExpression lambdaExpression) {
-		System.out.println("\n++ In Lambda: ");
 		this.lamCounter++;
+		
+		Lambda lam = new Lambda(lambdaExpression);
+		String lamDesc = lam.accept(new DescriptorToString(resultSet));
 		//Call site, which, when invoked, returns an instance of the functional interface to which
 		//the lambda is being converted
 		MethodType mt = MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class,
 						MethodType.class, MethodType.class, MethodHandle.class, MethodType.class);
 				
+
 		Handle bootstrap = new Handle(Opcodes.H_INVOKESTATIC, "java/lang/invoke/LambdaMetafactory", 
 				"metafactory", mt.toMethodDescriptorString(), false);
 		String methodName = "lambda$new$" + this.lamCounter;
-		// Type erasure
-		Type arg1 = Type.getMethodType("()V");
-		// real Type
-		Type arg3 = Type.getMethodType("()V");
-		Handle arg2 = new Handle(Opcodes.H_INVOKESTATIC, this.className, methodName, 
-				arg3.toString(),false);
-		mv.visitInvokeDynamicInsn("run", "()Ljava/lang/Runnable;", bootstrap, 
-				arg1, arg2,arg3);
-
-		MethodVisitor mvLambdaBody = cw.visitMethod(Opcodes.ACC_PRIVATE+ Opcodes.ACC_STATIC + Opcodes.ACC_SYNTHETIC, 
-				methodName, arg3.toString(), null, null);
-//		new BytecodeGenLambda(lambdaExpression, mvLambdaBody);
 		
-		new BytecodeGenMethod(lambdaExpression, mvLambdaBody, new HashMap<>(), arg3.toString());
+		// Für die Parameter-Typen und Return-Typ braucht man die Bounds (für die Typlöschung)
+		
+		String typeErasure = "(";
+		Iterator<FormalParameter> itr = lambdaExpression.params.iterator();
+		while(itr.hasNext()) {
+			itr.next();
+			typeErasure += "L"+Type.getInternalName(Object.class) + ";";
+		}
+		
+		typeErasure += ")L"+Type.getInternalName(Object.class) + ";";
+		// Type erasure
+		Type arg1 = Type.getMethodType(typeErasure);
+//		Type arg1 = Type.getMethodType(lamDesc);
+		// real Type
+		Type arg3 = Type.getMethodType(lamDesc);
+		
+		int staticOrSpecial=0;
+		int staticOrInstance=0;
+		int indexOfFirstParamLam = 0;
+		this.kindOfLambda = new KindOfLambda(lambdaExpression);
+
+		if(kindOfLambda.isInstanceCapturingLambda()) {
+			mv.visitVarInsn(Opcodes.ALOAD, 0);
+			staticOrSpecial = Opcodes.H_INVOKESPECIAL;
+			indexOfFirstParamLam = 1;
+		}else {
+			staticOrSpecial = Opcodes.H_INVOKESTATIC;
+			staticOrInstance = Opcodes.ACC_STATIC;
+		}
+		
+		// first check if capturing lambda then invokestatic or invokespecial
+		Handle arg2 = new Handle(staticOrSpecial, this.className, methodName, 
+				arg3.toString(),false);
+		// Descriptor of functional interface methode
+		SamMethod samMethod = new SamMethod(kindOfLambda.getArgumentList(), lambdaExpression.getType());
+		// Desc: (this/nothing)TargetType
+		String fiMethodDesc = samMethod.accept(new DescriptorToString(resultSet));
+		mv.visitInvokeDynamicInsn("apply", fiMethodDesc, bootstrap, arg1, arg2,arg3);
+		
+		MethodVisitor mvLambdaBody = cw.visitMethod(Opcodes.ACC_PRIVATE+ staticOrInstance + Opcodes.ACC_SYNTHETIC, 
+				methodName, arg3.toString(), null, null);
+
+		new BytecodeGenMethod(lambdaExpression,this.resultSet,mvLambdaBody,indexOfFirstParamLam,isInterface,
+				classFiles);
+		
 		mvLambdaBody.visitMaxs(0, 0);
 		mvLambdaBody.visitEnd();
+		cw.visitInnerClass("java/lang/invoke/MethodHandles$Lookup", "java/lang/invoke/MethodHandles", "Lookup",
+				Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC + Opcodes.ACC_FINAL);
+		
+//		generateBCForFunN(lambdaExpression,typeErasure);
 	}
 
+	private void generateBCForFunN(LambdaExpression lambdaExpression, String methDesc) {
+		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("T"+numberOfParams);
+			itr.next();
+		}
+		methSig.visitReturnType().visitTypeVariable("R");
+		// ")"+lam.getReturn.getBounds
+		Signature sig = new Signature(lambdaExpression,numberOfParams);
+		String name = "Fun"+numberOfParams;
+		classWriter.visit(Opcodes.V1_8, 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);
+	}
+	
+	public void writeClassFile(byte[] bytecode, String name) {
+		FileOutputStream output;
+		try {
+			System.out.println("generating "+name+ ".class file...");
+			output = new FileOutputStream(new File(System.getProperty("user.dir") + "/testBytecode/generatedBC/examples/" +name+".class"));				
+			output.write(bytecode);
+			output.close();
+			System.out.println(name+".class file generated");
+		} catch (FileNotFoundException e) {
+			e.printStackTrace();
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		
+}
+
 	@Override
 	public void visit(CastExpr castExpr) {
 		// TODO Auto-generated method stub
@@ -195,15 +298,15 @@ public class BytecodeGenMethod implements StatementVisitor{
 
 	@Override
 	public void visit(FieldVar fieldVar) {
-		System.out.println("in fieldVar " + fieldVar.fieldVarName + " ** receiver: "+fieldVar.receiver);
 		
 		fieldName = fieldVar.fieldVarName;
-		fieldDesc = fieldVar.getType().toString();
+		fieldDesc = "L"+getResolvedType(fieldVar.getType())+";";
 		
 		fieldVar.receiver.accept(this);
 		// test (if)
 		if(!fieldVar.receiver.getClass().equals(StaticClassName.class)) {
-			mv.visitFieldInsn(Opcodes.GETFIELD,fieldVar.getType().toString(),fieldName ,fieldDesc);
+			mv.visitFieldInsn(Opcodes.GETFIELD,getResolvedType(fieldVar.receiver.getType()),
+					fieldName ,fieldDesc);
 		}
 		
 //		mv.visitFieldInsn(Opcodes.GETSTATIC, fieldVar.receiver.getType().toString().replace(".", "/"), 
@@ -218,7 +321,7 @@ public class BytecodeGenMethod implements StatementVisitor{
 
 	@Override
 	public void visit(IfStmt ifStmt) {
-		System.out.println("++ IF-Statment: ");
+		System.out.println("If");
 	}
 
 	@Override
@@ -229,26 +332,29 @@ public class BytecodeGenMethod implements StatementVisitor{
 
 	@Override
 	public void visit(MethodCall methodCall) {
-		System.out.println("	In Methodcall: (" +methodCall.name+")" );
-		System.out.println("		Method-Receiver: "+methodCall.receiver.expr);
-		
 		methodCall.receiver.accept(this);
 		methodCall.arglist.accept(this);
 		
-		Descriptor mDesc = new Descriptor(methodCall.arglist, methodCall.getType());
+		MethodFromMethodCall method = new MethodFromMethodCall(methodCall.arglist, methodCall.getType(),
+				genericsAndBoundsMethod,genericsAndBounds);
+		String mDesc = method.accept(new DescriptorToString(resultSet));
 		
-		mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, methodCall.receiver.expr.getType().toString(), 
-				methodCall.name, mDesc.getDesc(), false);
-		// test
-		if(!methodCall.getType().toString().equals("V")) {
-			mv.visitInsn(Opcodes.POP);
+		// is methodCall.receiver functional Interface)?
+		if(varsFunInterface.contains(methodCall.receiver.getType())) {
+			mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, getResolvedType(methodCall.receiver.getType()), 
+					methodCall.name, mDesc, false);
+		}else {
+			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, getResolvedType(methodCall.receiver.getType()),
+					methodCall.name, mDesc, isInterface);
 		}
+		// test
+//		if(!methodCall.getType().toString().equals("V")) {
+//			mv.visitInsn(Opcodes.POP);
+//		}
 	}
 
 	@Override
 	public void visit(NewClass methodCall) {
-		System.out.println("In NewClass: ");
-		System.out.println("name: " + methodCall.name + " *** " + "Receiver: " + methodCall.receiver);
 		
 		mv.visitTypeInsn(Opcodes.NEW, methodCall.name.replace(".", "/"));
 		mv.visitInsn(Opcodes.DUP);
@@ -256,11 +362,11 @@ public class BytecodeGenMethod implements StatementVisitor{
 		methodCall.arglist.accept(this);
 		String d = "(";
 		for(Expression e : methodCall.arglist.getArguments()) {
-			d = d + "L"+e.getType().toString().replace(".", "/") + ";";
+			d = d + "L"+getResolvedType(e.getType()) + ";";
 		}
 		d += ")V";
 		
-		mv.visitMethodInsn(Opcodes.INVOKESPECIAL, methodCall.name.replace(".", "/"), "<init>", d, false);
+		mv.visitMethodInsn(Opcodes.INVOKESPECIAL, methodCall.name.replace(".", "/"), "<init>", d, isInterface);
 	}
 
 	@Override
@@ -270,14 +376,18 @@ public class BytecodeGenMethod implements StatementVisitor{
 	}
 
 	@Override
-	public void visit(Receiver receiver) {
-		System.out.println("	in Receiver");
-		System.out.println("		expr : " + receiver.expr);
+	public void visit(ExpressionReceiver receiver) {
 		receiver.expr.accept(this);
 	}
 
+	@Override
+	public void visit(UnaryExpr unaryExpr) {
+		System.out.println(unaryExpr.operation.toString());
+	}
+
 	@Override
 	public void visit(Return aReturn) {
+		aReturn.retexpr.accept(this);
 		mv.visitInsn(Opcodes.ARETURN);
 	}
 
@@ -288,33 +398,26 @@ public class BytecodeGenMethod implements StatementVisitor{
 
 	@Override
 	public void visit(StaticClassName staticClassName) {
-		System.out.println("In StaticClassName: ");
 //		mv.visitMethodInsn(Opcodes.INVOKESTATIC, staticClassName.getType().toString().replace(".", "/"), 
 //				staticClassName.toString(), staticClassName.getType().toString(), false);
-		mv.visitFieldInsn(Opcodes.GETSTATIC, staticClassName.getType().toString().replace(".", "/"), 
+		mv.visitFieldInsn(Opcodes.GETSTATIC, getResolvedType(staticClassName.getType()), 
 				fieldName, fieldDesc);
 	}
 
 	@Override
 	public void visit(Super aSuper) {
-		System.out.println(">> In Super: ");
+
 	}
 
 	@Override
 	public void visit(This aThis) {
-		System.out.println("-> IN This");
 		mv.visitVarInsn(Opcodes.ALOAD, 0);
 	}
 
-	@Override
-	public void visit(UnaryPlus unaryPlus) {
-		System.out.println("++ In UnaryPlus: ");
-	}
-
 	@Override
 	public void visit(WhileStmt whileStmt) {
-		// TODO Auto-generated method stub
-		
+		whileStmt.expr.accept(this);
+		whileStmt.loopBlock.accept(this);
 	}
 
 	@Override
@@ -324,14 +427,203 @@ public class BytecodeGenMethod implements StatementVisitor{
 	}
 
 	@Override
-	public void visit(Null aNull) {
-		mv.visitInsn(Opcodes.ACONST_NULL);
+	public void visit(Literal literal) {
+		Object value = literal.value;
+		String typeOfLiteral = resultSet.resolveType(literal.getType()).resolvedType.acceptTV(new TypeToDescriptor());
+		if(this.isBinaryExp) {
+			getVlaue(typeOfLiteral);
+		}else {
+			doAssign(typeOfLiteral, value);
+		}
+		
+		
+	}
+	
+	private void getVlaue(String typeOfLiteral) {
+		switch (typeOfLiteral) {
+		case "java/lang/String":
+			break;
+		case "java/lang/Boolean":
+			break;
+		case "java/lang/Byte":
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Byte", "valueOf", 
+					"(B)Ljava/lang/Byte;", false);
+			break;
+		case "java/lang/Short":
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Short", "valueOf", 
+					"(S)Ljava/lang/Short;", false);
+			break;
+		case "java/lang/Integer":
+			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Integer", "intValue", 
+					"()I", false);
+			break;
+		case "java/lang/Long":
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Long", "valueOf", 
+					"(J)Ljava/lang/Long;", false);
+			break;
+		case "java/lang/Float":
+			break;
+		case "java/lang/Double":
+			break;
+		case "java/lang/Character":
+			break;
+		default:
+			break;
+		}
 	}
 
-	@Override
-	public void visit(Literal literal) {
-		// value?
-		mv.visitLdcInsn(literal.getType().toString());
+	private void doAssign(String type, Object value) {
+		switch (type) {
+		case "java/lang/String":
+			mv.visitLdcInsn(String.valueOf(value));
+			break;
+		case "java/lang/Boolean":
+			visitBooleanLiteral((Boolean) value);
+			break;
+		case "java/lang/Byte":
+			visitByteLiteral(((Double) value).byteValue(),false);
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Byte", "valueOf", 
+					"(B)Ljava/lang/Byte;", false);
+			break;
+		case "java/lang/Short":
+			visitShortLiteral(((Double) value).shortValue(),false);
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Short", "valueOf", 
+					"(S)Ljava/lang/Short;", false);
+			break;
+		case "java/lang/Integer":
+			//zweite Argument isLong
+			visitIntegerLiteral(((Double) value).intValue(), false);
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Integer", "valueOf", 
+					"(I)Ljava/lang/Integer;", false);
+			break;
+		case "java/lang/Long":
+			visitLongLiteral(((Double) value).longValue(), true);
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Long", "valueOf", 
+					"(J)Ljava/lang/Long;", false);
+			break;
+		case "java/lang/Float":
+			visitFloatLiteral(((Double) value).floatValue());
+			break;
+		case "java/lang/Double":
+			visitDoubleLiteral((Double) value);
+			break;
+		case "java/lang/Character":
+			visitCharLiteral((Character) value);
+			break;
+		default:
+			break;
+		}
+	}
+	
+	private void doAssign(String type) {
+		switch (type) {
+		case "java/lang/String":
+			break;
+		case "java/lang/Boolean":
+			break;
+		case "java/lang/Byte":
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Byte", "valueOf", 
+					"(B)Ljava/lang/Byte;", false);
+			break;
+		case "java/lang/Short":
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Short", "valueOf", 
+					"(S)Ljava/lang/Short;", false);
+			break;
+		case "java/lang/Integer":
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Integer", "valueOf", 
+					"(I)Ljava/lang/Integer;", false);
+			break;
+		case "java/lang/Long":
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Long", "valueOf", 
+					"(J)Ljava/lang/Long;", false);
+			break;
+		case "java/lang/Float":
+			break;
+		case "java/lang/Double":
+			break;
+		case "java/lang/Character":
+			break;
+		default:
+			break;
+		}
+	}
+
+	private void visitCharLiteral(Character value) {
+		mv.visitIntInsn(Opcodes.BIPUSH, (int) value);
+		mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Character", "valueOf", 
+				"(C)Ljava/lang/Character;", false);
+	}
+
+	private void visitDoubleLiteral(Double value) {
+		if(value == 0) {
+			mv.visitInsn(Opcodes.DCONST_0);
+		}else if(value == 1) {
+			mv.visitInsn(Opcodes.DCONST_1);
+		}else {
+			mv.visitLdcInsn(value);
+		}
+		mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Double", "valueOf", 
+				"(D)Ljava/lang/Double;", false);
+	}
+
+	private void visitFloatLiteral(Float value) {
+		if(value.intValue()>-1 && value.intValue() < 3) {
+			//Opcodes.FCONST_0 = 11, Opcodes.FCONST_1 = 12, usw
+			mv.visitInsn(value.intValue()+11);
+		}else {
+			mv.visitLdcInsn(value);
+		}
+		mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Float", "valueOf", 
+				"(F)Ljava/lang/Float;", false);
+	}
+
+	private void visitLongLiteral(Long value, boolean isLong) {
+		if(value<Math.pow(2, 15) || (value>=-Math.pow(2, 15))&&value<-128) {
+			visitShortLiteral(value.shortValue(),isLong);
+		}else {
+			mv.visitLdcInsn(value);
+		}
+	}
+
+	private void visitShortLiteral(Short value,boolean isLong) {
+		if(value< 128 || (value>-129 && value<-1)) {
+			visitByteLiteral(value.byteValue(), isLong);
+		}else if(value<Math.pow(2, 15) || (value>=-Math.pow(2, 15))&&value<-128) {
+			mv.visitIntInsn(Opcodes.SIPUSH, value);
+		}
+	}
+
+	private void visitByteLiteral(Byte value, boolean isLong) {
+		
+		if(!isLong && value<6 && value>-1) {
+			//Opcodes.ICONST_0 = 3, Opcodes.ICONST_1 = 4, usw
+			mv.visitInsn(value+3);
+		}else if(isLong && value>-1 && value<2){
+			//Opcodes.LCONST_0 = 9, Opcodes.LCONST_1 = 10
+			mv.visitInsn(value+9);
+		}else {
+			mv.visitIntInsn(Opcodes.BIPUSH, value);
+		}
+		
+	}
+
+	private void visitIntegerLiteral(Integer value, boolean isLong) {
+		
+		if(value<Math.pow(2, 15) || (value>=-Math.pow(2, 15))&&value<-128) {
+			visitShortLiteral(value.shortValue(),isLong);
+		}else {
+			mv.visitLdcInsn(value);
+		}
+	}
+
+	private void visitBooleanLiteral(Boolean b) {
+		if(b) {
+			mv.visitInsn(Opcodes.ICONST_1);
+		}else {
+			mv.visitInsn(Opcodes.ICONST_0);
+		}
+		mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Boolean", "valueOf", 
+				"(Z)Ljava/lang/Boolean;", false);	
 	}
 
 	@Override
@@ -343,18 +635,26 @@ public class BytecodeGenMethod implements StatementVisitor{
 
 	@Override
 	public void visit(AssignToField assignLeftSide) {
+//		temporäre Lösung für testen, bis ich weiss wie man funktionale
+//		interfaces erkennt
+		if(isRightSideALambda)
+			varsFunInterface.add(assignLeftSide.field.getType());
 		// Loads the an object reference from the local variable 
 		//			array slot onto the top of the operand stack.
 		assignLeftSide.field.receiver.accept(this);
 		this.rightSideTemp.accept(this);
-		mv.visitFieldInsn(Opcodes.PUTFIELD, assignLeftSide.field.receiver.getType().toString(), 
-				assignLeftSide.field.fieldVarName, assignLeftSide.field.getType().toString());
+		mv.visitFieldInsn(Opcodes.PUTFIELD, getResolvedType(assignLeftSide.field.receiver.getType()), 
+				assignLeftSide.field.fieldVarName, getResolvedType(assignLeftSide.field.getType()));
 	}
 
 	@Override
 	public void visit(AssignToLocal assignLeftSide) {
+		if(isRightSideALambda)
+			varsFunInterface.add(assignLeftSide.localVar.getType());
 		paramsAndLocals.put(assignLeftSide.localVar.name, paramsAndLocals.size()+1);
 		mv.visitVarInsn(Opcodes.ASTORE, paramsAndLocals.size());
+		// Debug:::
+		
 	}
 
 }

src/de/dhbwstuttgart/bytecode/ClassFile.java

@@ -1,14 +0,0 @@
-package de.dhbwstuttgart.bytecode;
-
-public class ClassFile {
-	
-	String name;
-	byte[] bytecode;
-	
-	public ClassFile(String name, byte[] bytecode) {
-		this.name = name;
-		this.bytecode = bytecode;
-	}
-	
-
-}

src/de/dhbwstuttgart/bytecode/Descriptor.java

@@ -1,54 +0,0 @@
-package de.dhbwstuttgart.bytecode;
-
-import java.awt.List;
-import java.util.Iterator;
-
-import de.dhbwstuttgart.syntaxtree.Constructor;
-import de.dhbwstuttgart.syntaxtree.FormalParameter;
-import de.dhbwstuttgart.syntaxtree.Method;
-import de.dhbwstuttgart.syntaxtree.statement.ArgumentList;
-import de.dhbwstuttgart.syntaxtree.statement.Expression;
-import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
-
-public class Descriptor {
-	String desc;
-	
-	public Descriptor(Method method) {
-		desc = "(";
-		Iterator<FormalParameter> itr = method.getParameterList().iterator();
-		while(itr.hasNext()) {
-			FormalParameter fp = itr.next();
-			desc = desc + "L"+fp.getType().toString().replace(".", "/") + ";";
-		}
-		if(method.getReturnType().toString().equals("void")){
-			desc = desc + ")V";
-		}else {
-			desc = desc + ")" + "L"+method.getReturnType().toString().replace(".", "/")+";";
-		}
-		
-	}
-	
-	public Descriptor(Constructor constructor) {
-		desc = "(";
-		Iterator<FormalParameter> itr = constructor.getParameterList().iterator();
-		while(itr.hasNext()) {
-			FormalParameter fp = itr.next();
-			desc = desc + "L"+fp.getType().toString().replace(".", "/") + ";";
-		}
-		desc = desc + ")V";
-	}
-	
-	public Descriptor(ArgumentList argList, RefTypeOrTPHOrWildcardOrGeneric returnType) {
-		desc = "(";
-		for(Expression e : argList.getArguments()) {
-			desc = desc + "L"+e.getType().toString().replace(".", "/") + ";";
-		}
-		desc = desc + ")"+returnType.toString();
-		
-	}
-	
-	public String getDesc() {
-		return this.desc;
-	}
-
-}

src/de/dhbwstuttgart/bytecode/KindOfLambda.java

@@ -1,50 +1,33 @@
 package de.dhbwstuttgart.bytecode;
 
-import org.objectweb.asm.MethodVisitor;
+import de.dhbwstuttgart.exceptions.NotImplementedException;
+import de.dhbwstuttgart.syntaxtree.statement.*;
+
+import java.util.ArrayList;
+import java.util.List;
 
 import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
 import de.dhbwstuttgart.syntaxtree.StatementVisitor;
-import de.dhbwstuttgart.syntaxtree.statement.ArgumentList;
-import de.dhbwstuttgart.syntaxtree.statement.Assign;
-import de.dhbwstuttgart.syntaxtree.statement.AssignToField;
-import de.dhbwstuttgart.syntaxtree.statement.Binary;
-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.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.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.Receiver;
-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.UnaryPlus;
-import de.dhbwstuttgart.syntaxtree.statement.WhileStmt;
-import de.dhbwstuttgart.syntaxtree.statement.literal.Literal;
-import de.dhbwstuttgart.syntaxtree.statement.literal.Null;
+import de.dhbwstuttgart.syntaxtree.statement.Literal;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
 
-public class BytecodeGenLambda implements StatementVisitor{
-	private LambdaExpression lambdaExpression;
-	private MethodVisitor mv;
+public class KindOfLambda implements StatementVisitor{
+	private boolean isInstanceCapturingLambda = false;
+	private List<RefTypeOrTPHOrWildcardOrGeneric> argumentList = new ArrayList<>();
 	
-	public BytecodeGenLambda(LambdaExpression lambdaExpression, MethodVisitor mv) {
-		this.lambdaExpression = lambdaExpression;
-		this.mv = mv;
-		
+	public KindOfLambda(LambdaExpression lambdaExpression) {
+		lambdaExpression.methodBody.accept(this);
 		
 	}
-
+	
+	public boolean isInstanceCapturingLambda() {
+		return this.isInstanceCapturingLambda;
+	}
+	
+	public List<RefTypeOrTPHOrWildcardOrGeneric> getArgumentList() {
+		return argumentList;
+	}
+	
 	@Override
 	public void visit(ArgumentList argumentList) {
 		// TODO Auto-generated method stub
@@ -53,26 +36,25 @@ public class BytecodeGenLambda implements StatementVisitor{
 
 	@Override
 	public void visit(LambdaExpression lambdaExpression) {
-		// TODO Auto-generated method stub
 		
 	}
 
 	@Override
 	public void visit(Assign assign) {
-		// TODO Auto-generated method stub
-		
+		assign.rightSide.accept(this);
 	}
 
 	@Override
-	public void visit(Binary binary) {
+	public void visit(BinaryExpr binary) {
 		// TODO Auto-generated method stub
 		
 	}
 
 	@Override
 	public void visit(Block block) {
-		// TODO Auto-generated method stub
-		
+		for(Statement stmt : block.getStatements()) {
+			stmt.accept(this);
+		}
 	}
 
 	@Override
@@ -89,8 +71,7 @@ public class BytecodeGenLambda implements StatementVisitor{
 
 	@Override
 	public void visit(FieldVar fieldVar) {
-		// TODO Auto-generated method stub
-		
+		fieldVar.receiver.accept(this);
 	}
 
 	@Override
@@ -125,8 +106,7 @@ public class BytecodeGenLambda implements StatementVisitor{
 
 	@Override
 	public void visit(MethodCall methodCall) {
-		// TODO Auto-generated method stub
-		
+		methodCall.receiver.accept(this);
 	}
 
 	@Override
@@ -142,15 +122,18 @@ public class BytecodeGenLambda implements StatementVisitor{
 	}
 
 	@Override
-	public void visit(Receiver receiver) {
-		// TODO Auto-generated method stub
-		
+	public void visit(ExpressionReceiver receiver) {
+		receiver.expr.accept(this);
+	}
+
+	@Override
+	public void visit(UnaryExpr unaryExpr) {
+		throw new NotImplementedException();
 	}
 
 	@Override
 	public void visit(Return aReturn) {
-		// TODO Auto-generated method stub
-		
+		aReturn.retexpr.accept(this);
 	}
 
 	@Override
@@ -173,14 +156,8 @@ public class BytecodeGenLambda implements StatementVisitor{
 
 	@Override
 	public void visit(This aThis) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(UnaryPlus unaryPlus) {
-		// TODO Auto-generated method stub
-		
+		this.isInstanceCapturingLambda = true;
+		this.argumentList.add(aThis.getType());
 	}
 
 	@Override
@@ -195,12 +172,6 @@ public class BytecodeGenLambda implements StatementVisitor{
 		
 	}
 
-	@Override
-	public void visit(Null aNull) {
-		// TODO Auto-generated method stub
-		
-	}
-
 	@Override
 	public void visit(Literal literal) {
 		// TODO Auto-generated method stub

src/de/dhbwstuttgart/bytecode/Lambda.java

@@ -0,0 +1,26 @@
+package de.dhbwstuttgart.bytecode;
+
+import de.dhbwstuttgart.bytecode.descriptor.DescriptorVisitor;
+import de.dhbwstuttgart.syntaxtree.ParameterList;
+import de.dhbwstuttgart.syntaxtree.statement.LambdaExpression;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+
+public class Lambda {
+	private LambdaExpression lambdaExpression;
+	
+	public Lambda(LambdaExpression lambdaExpression) {
+		this.lambdaExpression = lambdaExpression;
+	}
+	
+	public ParameterList getParams() {
+		return lambdaExpression.params;
+	}
+	
+	public RefTypeOrTPHOrWildcardOrGeneric getReturnType() {
+		return lambdaExpression.getReturnType();
+	}
+	
+	public String accept(DescriptorVisitor descVisitor) {
+		return descVisitor.visit(this);
+	}
+}

src/de/dhbwstuttgart/bytecode/MethodFromMethodCall.java

@@ -0,0 +1,42 @@
+package de.dhbwstuttgart.bytecode;
+
+import java.util.HashMap;
+
+import de.dhbwstuttgart.bytecode.descriptor.DescriptorVisitor;
+import de.dhbwstuttgart.syntaxtree.statement.ArgumentList;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+
+public class MethodFromMethodCall {
+	private ArgumentList argList;
+	private RefTypeOrTPHOrWildcardOrGeneric returnType;
+	private HashMap<String, String> genericsAndBoundsMethod;
+	private HashMap<String,String> genericsAndBounds;
+	
+	public MethodFromMethodCall(ArgumentList argList,RefTypeOrTPHOrWildcardOrGeneric returnType,
+			HashMap<String, String> genericsAndBoundsMethod,HashMap<String,String> genericsAndBounds) {
+		this.argList = argList;
+		this.returnType = returnType;
+		this.genericsAndBoundsMethod = genericsAndBoundsMethod;
+		this.genericsAndBounds = genericsAndBounds;
+	}
+	
+	public ArgumentList getArgList() {
+		return argList;
+	}
+
+	public RefTypeOrTPHOrWildcardOrGeneric getReturnType() {
+		return returnType;
+	}
+	
+	public HashMap<String, String> getGenericsAndBoundsMethod(){
+		return genericsAndBoundsMethod;
+	}
+	
+	public HashMap<String,String> getGenericsAndBounds(){
+		return genericsAndBounds;
+	}
+	
+	public String accept(DescriptorVisitor descVisitor) {
+		return descVisitor.visit(this);
+	}
+}

src/de/dhbwstuttgart/bytecode/NormalConstructor.java

@@ -0,0 +1,40 @@
+package de.dhbwstuttgart.bytecode;
+
+import java.util.HashMap;
+
+import de.dhbwstuttgart.bytecode.descriptor.DescriptorVisitor;
+import de.dhbwstuttgart.syntaxtree.Constructor;
+import de.dhbwstuttgart.syntaxtree.ParameterList;
+
+public class NormalConstructor {
+	private Constructor constructor;
+	private HashMap<String, String> genericsAndBounds;
+	private boolean hasGenerics;
+	
+	public NormalConstructor(Constructor constructor, boolean hasGenerics) {
+		this.constructor = constructor;
+		this.hasGenerics = hasGenerics;
+	}
+	
+	public NormalConstructor(Constructor constructor, HashMap<String, String> genericsAndBounds, boolean hasGenerics) {
+		this.constructor = constructor;
+		this.genericsAndBounds = genericsAndBounds;
+		this.hasGenerics = hasGenerics;
+	}
+
+	public HashMap<String, String> getGenericsAndBounds() {
+		return genericsAndBounds;
+	}
+
+	public boolean hasGen() {
+		return hasGenerics;
+	}
+
+	public ParameterList getParameterList() {
+		return constructor.getParameterList();
+	}
+	
+	public String accept(DescriptorVisitor descVisitor) {
+		return descVisitor.visit(this);
+	}
+}

src/de/dhbwstuttgart/bytecode/NormalMethod.java

@@ -0,0 +1,56 @@
+package de.dhbwstuttgart.bytecode;
+
+import java.util.HashMap;
+
+import de.dhbwstuttgart.bytecode.descriptor.DescriptorVisitor;
+import de.dhbwstuttgart.syntaxtree.Method;
+import de.dhbwstuttgart.syntaxtree.ParameterList;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+
+public class NormalMethod {
+	private Method method;
+	private HashMap<String, String> genericsAndBounds;
+	private HashMap<String, String> genericsAndBoundsMethod;
+	private boolean hasGenerics;
+	
+	public NormalMethod(Method method, boolean hasGenerics) {
+		this.method = method;
+		this.hasGenerics = hasGenerics;
+	}
+
+	public NormalMethod(Method method, HashMap<String, String> genericsAndBounds,
+			HashMap<String, String> genericsAndBoundsMethod,boolean hasGenerics) {
+		this.method = method;
+		this.genericsAndBounds = genericsAndBounds;
+		this.genericsAndBoundsMethod = genericsAndBoundsMethod;
+		this.hasGenerics = hasGenerics;
+	}
+
+	public Method getMethod() {
+		return method;
+	}
+	
+	public ParameterList getParameterList() {
+		return method.getParameterList();
+	}
+	
+	public HashMap<String, String> getGenericsAndBounds(){
+		return genericsAndBounds;
+	}
+	
+	public HashMap<String, String> getGenericsAndBoundsMethod(){
+		return genericsAndBoundsMethod;
+	}
+	
+	public RefTypeOrTPHOrWildcardOrGeneric getReturnType() {
+		return method.getReturnType();
+	}
+	
+	public boolean hasGen() {
+		return this.hasGenerics;
+	}
+	
+	public String accept(DescriptorVisitor descVisitor) {
+		return descVisitor.visit(this);
+	}
+}

src/de/dhbwstuttgart/bytecode/SamMethod.java

@@ -0,0 +1,32 @@
+package de.dhbwstuttgart.bytecode;
+
+import java.util.List;
+
+import de.dhbwstuttgart.bytecode.descriptor.DescriptorVisitor;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+
+public class SamMethod {
+	private List<RefTypeOrTPHOrWildcardOrGeneric> argumentList;
+	private RefTypeOrTPHOrWildcardOrGeneric returnType;
+	
+	public SamMethod(List<RefTypeOrTPHOrWildcardOrGeneric> argumentList, RefTypeOrTPHOrWildcardOrGeneric returnType) {
+		this.argumentList = argumentList;
+		this.returnType = returnType;
+	}
+	
+	public List<RefTypeOrTPHOrWildcardOrGeneric> getArgumentList() {
+		return argumentList;
+	}
+
+
+
+	public RefTypeOrTPHOrWildcardOrGeneric getReturnType() {
+		return returnType;
+	}
+
+
+
+	public String accept(DescriptorVisitor descVisitor) {
+		return descVisitor.visit(this);
+	}
+}

src/de/dhbwstuttgart/bytecode/Test.java

@@ -1,150 +0,0 @@
-package de.dhbwstuttgart.bytecode;
-
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.lang.invoke.CallSite;
-import java.lang.invoke.MethodHandle;
-import java.lang.invoke.MethodHandles;
-import java.lang.invoke.MethodType;
-import java.lang.reflect.Method;
-import java.net.URL;
-import java.net.URLClassLoader;
-
-import org.objectweb.asm.ClassReader;
-import org.objectweb.asm.ClassWriter;
-import org.objectweb.asm.Handle;
-import org.objectweb.asm.Label;
-import org.objectweb.asm.MethodVisitor;
-import org.objectweb.asm.Opcodes;
-import org.objectweb.asm.Type;
-
-
-public class Test {
-	private static final String rootDirectory = System.getProperty("user.dir") + "/bin/de/dhbwstuttgart/bytecode/";
-
-	protected static ClassLoader getClassLoader() throws Exception {
-		File file = new File(rootDirectory);
-		URL url = file.toURI().toURL();
-		URL[] urls = new URL[] { url };
-		System.out.println(urls[0]);
-		return new URLClassLoader(urls);
-	}
-
-	public static void main(String[] args) {
-		// Test Lambda
-		ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
-		cw.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC + Opcodes.ACC_SUPER, "TestClass", null, "java/lang/Object", null);
-
-		cw.visitSource("TestClass.java", null);
-
-		// Create Constructor
-		MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null);
-		mv.visitVarInsn(Opcodes.ALOAD, 0);
-
-		mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
-
-		// mv.visitMethodInsn(INVOKEDYNAMIC, "#0", "run", "()Ljava/lang/Runnable");
-		//Call site, which, when invoked, returns an instance of the functional interface to which
-		//the lambda is being converted
-		MethodType mt = MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class,
-				MethodType.class, MethodType.class, MethodHandle.class, MethodType.class);
-		
-		Handle bootstrap = new Handle(Opcodes.H_INVOKESTATIC, "java/lang/invoke/LambdaMetafactory", "metafactory",
-				mt.toMethodDescriptorString());
-		Handle arg2 = new Handle(Opcodes.H_INVOKESTATIC, "TestClass", "lambda$0", "()V");
-
-		mv.visitInvokeDynamicInsn("run", "()Ljava/lang/Runnable;", bootstrap, 
-				Type.getMethodType("()V"), arg2,
-				Type.getMethodType("()V"));
-
-		mv.visitVarInsn(Opcodes.ASTORE, 1);
-		mv.visitVarInsn(Opcodes.ALOAD, 1);
-		mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/lang/Runnable", "run", "()V");
-		mv.visitInsn(Opcodes.RETURN);
-		
-		// creates bridge method, contains lambdas body
-				MethodVisitor mvl = cw.visitMethod(Opcodes.ACC_PRIVATE + Opcodes.ACC_STATIC + Opcodes.ACC_SYNTHETIC, "lambda$0",
-						"()V", null, null);
-				mvl.visitCode();
-				mvl.visitFieldInsn(Opcodes.GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
-				mvl.visitLdcInsn("lambda");
-				mvl.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V");
-				mvl.visitInsn(Opcodes.RETURN);
-				mvl.visitMaxs(2, 0);
-				mvl.visitEnd();
-		
-		mv.visitMaxs(1, 2);
-		mv.visitEnd();
-		
-
-		cw.visitInnerClass("java/lang/invoke/MethodHandles$Lookup", "java/lang/invoke/MethodHandles", "Lookup",
-				Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC + Opcodes.ACC_FINAL);
-		cw.visitEnd();
-
-		byte[] b = cw.toByteArray();
-
-		// Test if statement
-		/*
-		 * ClassWriter cw = new
-		 * ClassWriter(ClassWriter.COMPUTE_FRAMES|ClassWriter.COMPUTE_MAXS);
-		 * 
-		 * cw.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC+Opcodes.ACC_SUPER, "TestIf", null,
-		 * "java/lang/Object", null); MethodVisitor mv =
-		 * cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "(Ljava/lang/Boolean;)V", null,
-		 * null); mv.visitCode();
-		 * 
-		 * // Label l0 = new Label(); // mv.visitLabel(l0);
-		 * 
-		 * mv.visitVarInsn(Opcodes.ALOAD, 0);
-		 * 
-		 * mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>",
-		 * "()V");
-		 * 
-		 * // Label l1 = new Label(); // mv.visitLabel(l1);
-		 * mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL,
-		 * "java/lang/Boolean", "booleanValue", "()Z");
-		 * 
-		 * Label label = new Label(); mv.visitJumpInsn(Opcodes.IFEQ, label);
-		 * 
-		 * mv.visitFieldInsn(Opcodes.GETSTATIC, "java/lang/System", "out",
-		 * "Ljava/io/PrintStream;"); mv.visitLdcInsn("1");
-		 * mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/io/PrintStream", "println",
-		 * "(Ljava/lang/String;)V");
-		 * 
-		 * Label endLabel = new Label(); mv.visitJumpInsn(Opcodes.GOTO, endLabel);
-		 * 
-		 * mv.visitLabel(label); mv.visitFieldInsn(Opcodes.GETSTATIC,
-		 * "java/lang/System", "out", "Ljava/io/PrintStream;"); mv.visitLdcInsn("0");
-		 * mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/io/PrintStream", "println",
-		 * "(Ljava/lang/String;)V");
-		 * 
-		 * 
-		 * 
-		 * mv.visitLabel(endLabel); mv.visitInsn(Opcodes.RETURN);
-		 * 
-		 * // Label l2 = new Label(); // mv.visitLabel(l2);
-		 * 
-		 * // mv.visitLocalVariable("this", "LTestIf;", null, l0, l2, 0); //
-		 * mv.visitLocalVariable("b", "Ljava/lang/Boolean;", null, l0, l2, 1);
-		 * mv.visitMaxs(2, 2); mv.visitEnd();
-		 * 
-		 * cw.visitEnd(); byte[] b = cw.toByteArray();
-		 */
-		FileOutputStream output;
-
-		try {
-			output = new FileOutputStream(new File(System.getProperty("user.dir") + "/testBytecode/TestClass.class"));
-			output.write(b);
-			output.close();
-		} catch (FileNotFoundException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
-		} catch (IOException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
-		}
-
-	}
-}

src/de/dhbwstuttgart/bytecode/TestClass.java

@@ -1,8 +0,0 @@
-package de.dhbwstuttgart.bytecode;
-
-public class TestClass {
-	public TestClass() {
-		Runnable lam = () -> System.out.println("lambda");
-		lam.run();
-	}
-}

src/de/dhbwstuttgart/bytecode/TestFields.java

@@ -1,59 +0,0 @@
-package de.dhbwstuttgart.bytecode;
-
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.IOException;
-
-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;
-
-public class TestFields {
-	private static final String rootDirectory = System.getProperty("user.dir") + "/bin/de/dhbwstuttgart/bytecode/";
-	
-	public static void main(String[] args) {
-		// TODO Auto-generated method stub
-		ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES|ClassWriter.COMPUTE_MAXS);
-		cw.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC + Opcodes.ACC_SUPER, "TetsF", null, "java/lang/Object", null);
-		
-		cw.visitSource("TetsF.java", null);
-
-		FieldVisitor fv = cw.visitField(Opcodes.ACC_PRIVATE, "z", Type.INT_TYPE.getDescriptor(), null, null);
-		fv.visitEnd();
-		
-		FieldVisitor fvS = cw.visitField(Opcodes.ACC_PUBLIC, "s", "Ljava/lang/String;", null, null);
-		fvS.visitEnd();
-		// Create Constructor
-		MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null);
-		mv.visitCode();
-		
-		mv.visitVarInsn(Opcodes.ALOAD, 0);
-		mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
-		mv.visitVarInsn(Opcodes.ALOAD, 0);
-		mv.visitLdcInsn("");
-		mv.visitFieldInsn(Opcodes.PUTFIELD, "TetsF", "s", "Ljava/lang/String;");
-		mv.visitInsn(Opcodes.RETURN);
-		mv.visitMaxs(2, 1);
-		mv.visitEnd();
-		
-		byte[] b = cw.toByteArray();
-		
-		FileOutputStream output;
-
-		try {
-			output = new FileOutputStream(new File(System.getProperty("user.dir") + "/testBytecode/TetsF.class"));
-			output.write(b);
-			output.close();
-		} catch (FileNotFoundException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
-		} catch (IOException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
-		}
-	}
-
-}

src/de/dhbwstuttgart/bytecode/TestIf.java

@@ -1,11 +0,0 @@
-package de.dhbwstuttgart.bytecode;
-
-public class TestIf {
-	public TestIf(Boolean b) {
-		if(b) {
-			System.out.println("1");
-		}else {
-			System.out.println("0");
-		}
-	}
-}

src/de/dhbwstuttgart/bytecode/TestMeth.java

@@ -1,18 +0,0 @@
-package de.dhbwstuttgart.bytecode;
-
-public class TestMeth {
-	private int z;
-	public String s;
-	public TestMeth(int temp) {
-		this.z = temp;
-	}
-	public void m1(int a, int b) {
-		int y = m2(1,2,3,4);
-	}
-	
-	public int m2(int a, int b, int x, int y) {
-		Integer c = 55;
-		Integer g;
-		return a+b+y+c;
-	}
-}

src/de/dhbwstuttgart/bytecode/TetsF.java

@@ -1,6 +0,0 @@
-package de.dhbwstuttgart.bytecode;
-
-public class TetsF {
-	private int z;
-	public String s = "";
-}

src/de/dhbwstuttgart/bytecode/descriptor/DescriptorToString.java

@@ -0,0 +1,158 @@
+package de.dhbwstuttgart.bytecode.descriptor;
+
+import java.util.Iterator;
+
+import de.dhbwstuttgart.bytecode.Lambda;
+import de.dhbwstuttgart.bytecode.MethodFromMethodCall;
+import de.dhbwstuttgart.bytecode.NormalConstructor;
+import de.dhbwstuttgart.bytecode.NormalMethod;
+import de.dhbwstuttgart.bytecode.SamMethod;
+import de.dhbwstuttgart.bytecode.signature.TypeToSignature;
+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{
+	ResultSet resultSet;
+	
+	public DescriptorToString(ResultSet resultSet) {
+		this.resultSet = resultSet;
+	}
+	
+	private String addReturnType(String desc, RefTypeOrTPHOrWildcardOrGeneric returnType, ResultSet resultSet) {
+		if(resultSet.resolveType(returnType).resolvedType.toString().equals("void")){
+			desc = desc + ")V";
+		}else {
+			desc = desc + ")" + "L"+resultSet.resolveType(returnType).resolvedType.acceptTV(new TypeToDescriptor())+ ";";
+		}
+		return desc;
+	}
+	
+	@Override
+	public String visit(NormalMethod method) {
+		
+		String desc = "(";
+		Iterator<FormalParameter> itr = method.getParameterList().iterator();
+		while(itr.hasNext()) {
+			FormalParameter fp = itr.next();
+//			System.out.println(resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToSignature()));
+//			System.out.println("Parmetrisierte typ ? "+ ((RefType) fp.getType()).getParaList().size());
+			if(method.hasGen()) {
+				String fpDesc = fp.getType().acceptTV(new TypeToDescriptor());
+				if(method.getGenericsAndBoundsMethod().containsKey(fpDesc)) {
+					desc += "L"+method.getGenericsAndBoundsMethod().get(fpDesc)+ ";";
+				}else if(method.getGenericsAndBounds().containsKey(fpDesc)){
+					desc += "L"+method.getGenericsAndBounds().get(fpDesc)+ ";";
+				}else {
+					desc += "L"+resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor())+ ";";
+				}
+			}
+//			else if(((RefType) fp.getType()).getParaList().size() > 0){
+//				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("void")) {
+			desc += ")V";
+		}else {
+			if(method.hasGen()) {
+				String ret = method.getReturnType().acceptTV(new TypeToDescriptor());
+				if(method.getGenericsAndBoundsMethod().containsKey(ret)) {
+					desc += ")L"+method.getGenericsAndBoundsMethod().get(ret)+ ";";
+				}else if(method.getGenericsAndBounds().containsKey(ret)){
+					desc += ")L"+method.getGenericsAndBounds().get(ret)+ ";";
+				}else {
+					desc += ")" + "L"+resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToDescriptor())+ ";";
+				}
+			}else {
+				desc += ")" + "L"+resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToDescriptor())+ ";";
+			}
+		}
+//		desc = addReturnType(desc,method.getReturnType(), resultSet);
+		return desc;
+	}
+
+	@Override
+	public String visit(NormalConstructor constructor) {
+		String desc = "(";
+		Iterator<FormalParameter> itr = constructor.getParameterList().iterator();
+		while(itr.hasNext()) {
+			FormalParameter fp = itr.next();
+			if(constructor.hasGen()) {
+//				System.out.println("Cons has Gens");
+				String fpDesc = fp.getType().acceptTV(new TypeToDescriptor());
+//				System.out.println(fpDesc);
+				if(constructor.getGenericsAndBounds().containsKey(fpDesc)){
+					desc += "L"+constructor.getGenericsAndBounds().get(fpDesc)+ ";";
+				}else {
+					desc += "L"+resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor())+ ";";
+				}
+			}else {
+//				System.out.println("Cons has NOT Gens");
+				desc += "L"+resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor())+ ";";
+			}
+		}
+		desc = desc + ")V";
+		return desc;
+	}
+
+	@Override
+	public String visit(Lambda lambdaExpression) {
+		String desc = "(";
+		Iterator<FormalParameter> itr = lambdaExpression.getParams().iterator();
+		while(itr.hasNext()) {
+			FormalParameter fp = itr.next();
+			desc = desc + "L"+resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor()) + ";";
+		}
+		desc = addReturnType(desc, lambdaExpression.getReturnType(), resultSet);
+		return desc;
+	}
+
+	@Override
+	public String visit(SamMethod samMethod) {
+		String desc = "(";
+		Iterator<RefTypeOrTPHOrWildcardOrGeneric> itr = samMethod.getArgumentList().iterator();
+		while(itr.hasNext()) {
+			RefTypeOrTPHOrWildcardOrGeneric rt = itr.next();
+			desc = desc + "L"+resultSet.resolveType(rt).resolvedType.acceptTV(new TypeToDescriptor())+";";
+		}
+		desc = desc + ")"+"L"+resultSet.resolveType(samMethod.getReturnType()).resolvedType.acceptTV(new TypeToDescriptor())+";";
+		return desc;
+	}
+
+	@Override
+	public String visit(MethodFromMethodCall methodFromMethodCall) {
+		String desc = "(";
+		for(Expression e : methodFromMethodCall.getArgList().getArguments()) {
+			String d = e.getType().acceptTV(new TypeToDescriptor());
+			if(methodFromMethodCall.getGenericsAndBoundsMethod().containsKey(d)) {
+				desc += "L"+methodFromMethodCall.getGenericsAndBoundsMethod().get(d)+ ";";
+			}else if(methodFromMethodCall.getGenericsAndBounds().containsKey(d)) {
+				desc += "L"+methodFromMethodCall.getGenericsAndBounds().get(d)+ ";";
+			}else {
+				desc += "L"+resultSet.resolveType(e.getType()).resolvedType.acceptTV(new TypeToDescriptor())+ ";";
+			}
+		}
+		
+		if(resultSet.resolveType(methodFromMethodCall.getReturnType()).resolvedType.toString().equals("void")) {
+			desc += ")V";
+		}else {
+			String ret = resultSet.resolveType(methodFromMethodCall.getReturnType()).resolvedType.acceptTV(new TypeToDescriptor());
+			if(methodFromMethodCall.getGenericsAndBoundsMethod().containsKey(ret)) {
+				desc += ")L"+methodFromMethodCall.getGenericsAndBoundsMethod().get(ret)+ ";";
+			}else if(methodFromMethodCall.getGenericsAndBounds().containsKey(ret)){
+				desc += ")L"+methodFromMethodCall.getGenericsAndBounds().get(ret)+ ";";
+			}else {
+				desc += ")" + "L"+resultSet.resolveType(methodFromMethodCall.getReturnType()).resolvedType.acceptTV(new TypeToDescriptor())+ ";";
+			}
+		}
+//		desc = addReturnType(desc, methodFromMethodCall.getReturnType(), resultSet);
+		return desc;
+	}
+	
+}

src/de/dhbwstuttgart/bytecode/descriptor/DescriptorVisitor.java

@@ -0,0 +1,15 @@
+package de.dhbwstuttgart.bytecode.descriptor;
+
+import de.dhbwstuttgart.bytecode.Lambda;
+import de.dhbwstuttgart.bytecode.MethodFromMethodCall;
+import de.dhbwstuttgart.bytecode.NormalConstructor;
+import de.dhbwstuttgart.bytecode.NormalMethod;
+import de.dhbwstuttgart.bytecode.SamMethod;
+
+public interface DescriptorVisitor {
+	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);
+}

src/de/dhbwstuttgart/bytecode/descriptor/TypeToDescriptor.java

@@ -0,0 +1,37 @@
+package de.dhbwstuttgart.bytecode.descriptor;
+
+import de.dhbwstuttgart.exceptions.NotImplementedException;
+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.syntaxtree.type.TypeVisitor;
+
+public class TypeToDescriptor implements TypeVisitor<String>{
+
+	@Override
+	public String visit(RefType refType) {
+		return refType.getName().toString().replace(".", "/");
+	}
+
+	@Override
+	public String visit(SuperWildcardType superWildcardType) {
+		throw new NotImplementedException();
+	}
+
+	@Override
+	public String visit(TypePlaceholder typePlaceholder) {
+		return typePlaceholder.toString().replace(".", "/");
+	}
+
+	@Override
+	public String visit(ExtendsWildcardType extendsWildcardType) {
+		throw new NotImplementedException();
+	}
+
+	@Override
+	public String visit(GenericRefType genericRefType) {
+		return genericRefType.getParsedName().replace(".", "/");
+	}
+}

src/de/dhbwstuttgart/bytecode/signature/Signature.java

@@ -0,0 +1,186 @@
+package de.dhbwstuttgart.bytecode.signature;
+
+import java.util.HashMap;
+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.descriptor.TypeToDescriptor;
+import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
+import de.dhbwstuttgart.syntaxtree.Constructor;
+import de.dhbwstuttgart.syntaxtree.FormalParameter;
+import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
+import de.dhbwstuttgart.syntaxtree.Method;
+import de.dhbwstuttgart.syntaxtree.statement.LambdaExpression;
+import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
+import de.dhbwstuttgart.syntaxtree.type.RefType;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import de.dhbwstuttgart.typeinference.result.ResultSet;
+
+public class Signature {
+	private ClassOrInterface classOrInterface;
+	private HashMap<String, String> genericsAndBounds;
+	private HashMap<String, String> genericsAndBoundsMethod;
+	private SignatureWriter sw;
+	private Constructor constructor;
+	private Method method;
+	private HashMap<String,RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes;
+	private ResultSet resultSet;
+	
+	public Signature(ClassOrInterface classOrInterface, HashMap<String, String> genericsAndBounds) {
+		this.classOrInterface = classOrInterface;
+		this.genericsAndBounds = genericsAndBounds;
+		sw = new SignatureWriter();
+		createSignatureForClassOrInterface();
+	}
+
+	public Signature(Constructor constructor, HashMap<String, String> genericsAndBounds, HashMap<String,RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes) {
+		this.constructor = constructor;
+		this.genericsAndBounds = genericsAndBounds;
+		this.methodParamsAndTypes = methodParamsAndTypes;
+		sw = new SignatureWriter();
+		createSignatureForConsOrMethod(this.constructor,true);
+	}
+
+	public Signature(Method method, HashMap<String, String> genericsAndBoundsMethod,
+			HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes, ResultSet resultSet) {
+		this.method = method;
+		this.genericsAndBoundsMethod = genericsAndBoundsMethod;
+		this.methodParamsAndTypes = methodParamsAndTypes;
+		this.resultSet = resultSet;
+		sw = new SignatureWriter();
+		createSignatureForConsOrMethod(this.method,false);
+	}
+	
+	public Signature(LambdaExpression lambdaExpression,int numberOfParams) {
+		sw = new SignatureWriter();
+		createSignatureForFunN(lambdaExpression, numberOfParams);
+	}
+
+	private void createSignatureForFunN(LambdaExpression lambdaExpression, int numberOfParams) {
+		
+		sw.visitFormalTypeParameter("R");
+		// getBounds vom Return-Type
+		sw.visitClassBound().visitClassType(Type.getInternalName(Object.class));
+		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();
+		}
+		// TODO: prüfe ob Return-Type = void,
+		sw.visitSuperclass().visitClassType(Type.getInternalName(Object.class));;
+		sw.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()) {
+			GenericTypeVar g = itr.next();
+			getBoundsOfTypeVar(g,genericsAndBoundsMethod);
+		}
+		// visits 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) {
+			sw.visitReturnType().visitBaseType('V');
+		}else {
+			RefTypeOrTPHOrWildcardOrGeneric returnType = method.getReturnType();
+			// return type deswegen ist false
+			doVisitParamsOrReturn(returnType, false);
+		}
+//		sw.visitEnd();
+	}
+	/**
+	 * Visits parameter type or return type with {@link SignatureVisitor} to create
+	 * the method signature
+	 * @param t type of parameter or return type
+	 * @param isParameterType true if t is type of parameter
+	 */
+	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":
+			sv.visitClassType(t.acceptTV(new TypeToSignature()));
+			break;
+		case "GRT":
+			GenericRefType g = (GenericRefType) t;
+			sv.visitTypeVariable(g.acceptTV(new TypeToSignature()));
+			break;
+		case "TPH":
+			RefTypeOrTPHOrWildcardOrGeneric r = resultSet.resolveType(t).resolvedType;
+			if(!r.acceptTV(new TypeToSignature()).substring(0, 4).equals("TPH "))
+				sv.visitInterface().visitClassType(r.acceptTV(new TypeToSignature()));
+//			sv.visitClassType(r.acceptTV(new TypeToSignature()));
+			System.out.println(r.getClass()+" Signature TPH: "+r.acceptTV(new TypeToSignature()));
+			break;
+		default:
+			if(!isParameterType)
+				sv.visitBaseType('V');
+			break;
+		}
+	}
+	/**
+	 * Creates signature for class or interface with {@link SignatureWriter}
+	 * Signature looks like: 
+	 * <typevaliables (K:Ljava/lang/Object "Bounds")>superclass
+	 */
+	private void createSignatureForClassOrInterface() {
+		Iterator<GenericTypeVar> itr = classOrInterface.getGenerics().iterator();
+
+		while(itr.hasNext()) {
+			GenericTypeVar g = itr.next();
+			getBoundsOfTypeVar(g,genericsAndBounds);
+		}
+		
+		sw.visitSuperclass().visitClassType(classOrInterface.getSuperClass().acceptTV(new TypeToDescriptor()));;
+		sw.visitEnd();
+	}
+	/**
+	 * Get bounds of type variable
+	 * @param g type variable
+	 * @param genAndBounds 
+	 */
+	private void getBoundsOfTypeVar(GenericTypeVar g, HashMap<String, String> genAndBounds) {
+		sw.visitFormalTypeParameter(g.getParsedName());
+		
+		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 ...
+			sw.visitClassBound().visitClassType(boundDesc);
+			genAndBounds.put(g.getParsedName(), boundDesc);
+		}
+		sw.visitClassBound().visitEnd();
+	}
+	
+	public String toString() {
+		return sw.toString();
+	}
+	
+}

src/de/dhbwstuttgart/bytecode/signature/TypeToSignature.java

@@ -0,0 +1,53 @@
+package de.dhbwstuttgart.bytecode.signature;
+
+import java.util.Iterator;
+
+import de.dhbwstuttgart.exceptions.NotImplementedException;
+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.TypeVisitor;
+
+public class TypeToSignature implements TypeVisitor<String> {
+
+	@Override
+	public String visit(RefType refType) {
+//		return refType.toString().replace(".", "/");
+		String params = "";
+        if(refType.getParaList().size()>0){
+            params += "<";
+            Iterator<RefTypeOrTPHOrWildcardOrGeneric> it = refType.getParaList().iterator();
+            while(it.hasNext()){
+                RefTypeOrTPHOrWildcardOrGeneric param = it.next();
+                params += "L"+param.toString().replace(".", "/");
+                if(it.hasNext())params += ";";
+            }
+            params += ";>";
+        }
+        return refType.getName().toString().replace(".", "/") + params+";";
+	}
+
+	@Override
+	public String visit(SuperWildcardType superWildcardType) {
+		throw new NotImplementedException();
+	}
+
+	@Override
+	public String visit(TypePlaceholder typePlaceholder) {
+		return typePlaceholder.toString().replace(".", "/");
+	}
+
+	@Override
+	public String visit(ExtendsWildcardType extendsWildcardType) {
+		throw new NotImplementedException();
+	}
+
+	@Override
+	public String visit(GenericRefType genericRefType) {
+		return genericRefType.getParsedName().replace(".", "/");
+	}
+	
+}

src/de/dhbwstuttgart/bytecode/signature/TypeToString.java

@@ -0,0 +1,38 @@
+package de.dhbwstuttgart.bytecode.signature;
+
+import de.dhbwstuttgart.exceptions.NotImplementedException;
+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.syntaxtree.type.TypeVisitor;
+
+public class TypeToString implements TypeVisitor<String>{
+
+	@Override
+	public String visit(RefType refType) {
+		return "RT";
+	}
+
+	@Override
+	public String visit(SuperWildcardType superWildcardType) {
+		throw new NotImplementedException();
+	}
+
+	@Override
+	public String visit(TypePlaceholder typePlaceholder) {
+		return "TPH";
+	}
+
+	@Override
+	public String visit(ExtendsWildcardType extendsWildcardType) {
+		throw new NotImplementedException();
+	}
+
+	@Override
+	public String visit(GenericRefType genericRefType) {
+		return "GRT";
+	}
+
+}

src/de/dhbwstuttgart/core/JavaTXCompiler.java

@@ -29,7 +29,7 @@ import java.util.stream.Collectors;
 
 public class JavaTXCompiler {
 
-	final CompilationEnvironment environment;
+    final CompilationEnvironment environment;
     public final Map<File, SourceFile> sourceFiles = new HashMap<>();
 
     public JavaTXCompiler(File sourceFile) throws IOException, ClassNotFoundException {
@@ -38,55 +38,85 @@ public class JavaTXCompiler {
 
     public JavaTXCompiler(List<File> sources) throws IOException, ClassNotFoundException {
         environment = new CompilationEnvironment(sources);
-        for(File s : sources){
-            sourceFiles.put(s,parse(s));
+        for (File s : sources) {
+            sourceFiles.put(s, parse(s));
         }
     }
 
-    public List<ResultSet> typeInference() throws ClassNotFoundException {
+    public ConstraintSet<Pair> getConstraints() throws ClassNotFoundException {
         List<ClassOrInterface> allClasses = new ArrayList<>();//environment.getAllAvailableClasses();
-        for(SourceFile sf : sourceFiles.values()){
+        for (SourceFile sf : sourceFiles.values()) {
             allClasses.addAll(sf.getClasses());
         }
         List<ClassOrInterface> importedClasses = new ArrayList<>();
         //Alle Importierten Klassen in allen geparsten Sourcefiles kommen ins FC
-        for(File forSourceFile : sourceFiles.keySet())
-            for(JavaClassName name : sourceFiles.get(forSourceFile).getImports()){
+        for (File forSourceFile : sourceFiles.keySet())
+            for (JavaClassName name : sourceFiles.get(forSourceFile).getImports()) {
+                //TODO: Hier werden imports von eigenen (.jav) Klassen nicht beachtet
                 ClassOrInterface importedClass = ASTFactory.createClass(
                         ClassLoader.getSystemClassLoader().loadClass(name.toString()));
                 importedClasses.add(importedClass);
             }
         allClasses.addAll(importedClasses);
-        FiniteClosure finiteClosure =  UnifyTypeFactory.generateFC(allClasses);
 
-        final ConstraintSet<Pair> cons = new TYPE(sourceFiles.values(), allClasses).getConstraints();
+        return new TYPE(sourceFiles.values(), allClasses).getConstraints();
+    }
+
+    public List<ClassOrInterface> getAvailableClasses(SourceFile forSourceFile) throws ClassNotFoundException {
+        List<ClassOrInterface> allClasses = new ArrayList<>();//environment.getAllAvailableClasses();
+        for (SourceFile sf : sourceFiles.values()) {
+            allClasses.addAll(sf.getClasses());
+        }
+        List<ClassOrInterface> importedClasses = new ArrayList<>();
+        for (JavaClassName name : forSourceFile.getImports()) {
+            //TODO: Hier werden imports von eigenen (.jav) Klassen nicht beachtet
+            ClassOrInterface importedClass = ASTFactory.createClass(
+                    ClassLoader.getSystemClassLoader().loadClass(name.toString()));
+            importedClasses.add(importedClass);
+            allClasses.addAll(importedClasses);
+        }
+        return allClasses;
+    }
+
+    public List<ResultSet> typeInference() throws ClassNotFoundException {
+        List<ClassOrInterface> allClasses = new ArrayList<>();//environment.getAllAvailableClasses();
+        //Alle Importierten Klassen in allen geparsten Sourcefiles kommen ins FC
+        for(SourceFile sf : this.sourceFiles.values()) {
+            allClasses.addAll(getAvailableClasses(sf));
+            allClasses.addAll(sf.getClasses());
+        }
+
+        final ConstraintSet<Pair> cons = getConstraints();
+
+        FiniteClosure finiteClosure = UnifyTypeFactory.generateFC(allClasses);
+        System.out.println(finiteClosure);
         ConstraintSet<UnifyPair> unifyCons = UnifyTypeFactory.convert(cons);
 
         TypeUnify unify = new TypeUnify();
         Set<Set<UnifyPair>> results = new HashSet<>();
-        for(List<Constraint<UnifyPair>> xCons : unifyCons.cartesianProduct()){
+        for (List<Constraint<UnifyPair>> xCons : unifyCons.cartesianProduct()) {
             Set<UnifyPair> xConsSet = new HashSet<>();
-            for(Constraint<UnifyPair> constraint : xCons){
+            for (Constraint<UnifyPair> constraint : xCons) {
                 xConsSet.addAll(constraint);
             }
 
-            //System.out.println(xConsSet);
+            System.out.println(xConsSet);
             Set<Set<UnifyPair>> result = unify.unify(xConsSet, finiteClosure);
-            //System.out.println("RESULT: " + result);
+            System.out.println("RESULT: " + result);
             results.addAll(result);
         }
         return results.stream().map((unifyPairs ->
                 new ResultSet(UnifyTypeFactory.convert(unifyPairs, generateTPHMap(cons))))).collect(Collectors.toList());
-        }
+    }
 
-    private Map<String, TypePlaceholder> generateTPHMap(ConstraintSet<Pair> constraints){
+    private Map<String, TypePlaceholder> generateTPHMap(ConstraintSet<Pair> constraints) {
         HashMap<String, TypePlaceholder> ret = new HashMap<>();
-        constraints.map((Pair p)->{
-            if(p.TA1 instanceof TypePlaceholder){
-                ret.put(((TypePlaceholder)p.TA1).getName(), (TypePlaceholder) p.TA1);
+        constraints.map((Pair p) -> {
+            if (p.TA1 instanceof TypePlaceholder) {
+                ret.put(((TypePlaceholder) p.TA1).getName(), (TypePlaceholder) p.TA1);
             }
-            if(p.TA2 instanceof TypePlaceholder){
-                ret.put(((TypePlaceholder)p.TA2).getName(), (TypePlaceholder) p.TA2);
+            if (p.TA2 instanceof TypePlaceholder) {
+                ret.put(((TypePlaceholder) p.TA2).getName(), (TypePlaceholder) p.TA2);
             }
             return null;
         });
@@ -96,8 +126,8 @@ public class JavaTXCompiler {
     private SourceFile parse(File sourceFile) throws IOException, java.lang.ClassNotFoundException {
         CompilationUnitContext tree = JavaTXParser.parse(sourceFile);
         SyntaxTreeGenerator generator = new SyntaxTreeGenerator(environment.getRegistry(sourceFile), new GenericsRegistry(null));
-        SourceFile ret =  generator.convert(tree);
+        SourceFile ret = generator.convert(tree, environment.packageCrawler);
         return ret;
     }
-    
-}
+
+}

src/de/dhbwstuttgart/environment/CompilationEnvironment.java

@@ -5,10 +5,7 @@ import java.io.IOException;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.net.URLClassLoader;
-import java.util.ArrayList;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Set;
+import java.util.*;
 
 import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
 import de.dhbwstuttgart.syntaxtree.SourceFile;
@@ -35,6 +32,7 @@ import de.dhbwstuttgart.parser.scope.JavaClassRegistry;
 public class CompilationEnvironment {
 	private final List<URL> librarys;
 	private final List<File> sourceFiles;
+	public final PackageCrawler packageCrawler;
 
 	/**
 	 * Imitiert die Environment beim Aufruf des JavaCompilers auf einer Menge von java-Dateien
@@ -42,22 +40,46 @@ public class CompilationEnvironment {
 	 * @param sourceFiles die zu kompilierenden Dateien
 	 */
 	public CompilationEnvironment(List<File> sourceFiles) {
-		String bootClassPath = System.getProperty("sun.boot.class.path");
-        librarys = new ArrayList<>();
-        for(String path : bootClassPath.split(File.pathSeparator)) {
-        	try {
-        		librarys.add(new URL("file:"+path));
-			} catch (MalformedURLException e) {
-				new DebugException("Fehler im Classpath auf diesem System");
+		/**
+		 * Java 9 bringt einige Änderungen am Classloader
+		 * So funktioniert der BootClassLoader nicht mehr.
+		 * hier gibts ein paar Quellen zum nachlesen:
+		 * http://java9.wtf/class-loading/
+		 * https://stackoverflow.com/questions/46494112/classloaders-hierarchy-in-java-9
+		 *
+		 */
+		//String bootClassPath = System.getProperty("sun.boot.class.path");
+		//		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)) {
+				   try {
+							   librarys.add(new URL("file:"+path));
+							   } catch (MalformedURLException e) {
+									   new DebugException("Fehler im Classpath auf diesem System");
+							   }
 			}
-        }
+		//URLClassLoader loader = new URLClassLoader(new URL[0], cl);
+		//librarys = Arrays.asList(loader.getURLs());
+
 		this.sourceFiles = sourceFiles;
+        this.packageCrawler = new PackageCrawler(librarys);
 	}
 
 	public JavaClassRegistry getRegistry(File forSourceFile) throws ClassNotFoundException, IOException {
-		List<String> allNames;
+		Map<String, Integer> allNames;
 		CompilationUnitContext tree = JavaTXParser.parse(forSourceFile);
-		allNames = GatherNames.getNames(tree, new PackageCrawler(librarys));
+		allNames = GatherNames.getNames(tree, packageCrawler);
 		return new JavaClassRegistry(allNames);
 	}
+
+	public List<ClassOrInterface> getAllAvailableClasses() {
+		List<ClassOrInterface> ret = new ArrayList<>();
+		for(Class c : new PackageCrawler(librarys).getAllAvailableClasses()){
+			ret.add(ASTFactory.createClass(c));
+		}
+		return ret;
+	}
+
 }

src/de/dhbwstuttgart/environment/PackageCrawler.java

@@ -1,9 +1,7 @@
 package de.dhbwstuttgart.environment;
 
 import java.net.URL;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Set;
+import java.util.*;
 
 import org.reflections.Reflections;
 import org.reflections.scanners.ResourcesScanner;
@@ -12,6 +10,7 @@ import org.reflections.util.ConfigurationBuilder;
 import org.reflections.util.FilterBuilder;
 
 import de.dhbwstuttgart.parser.scope.JavaClassName;
+import org.reflections.vfs.SystemDir;
 
 /**
  * Hilft beim Durchsuchen von Packages
@@ -54,11 +53,24 @@ public class PackageCrawler {
         return classes;
     }
 
-  public List<String> getClassNames(String packageName){
-    List<String> nameList = new ArrayList();
+    public Set<Class<?>> getAllAvailableClasses(){
+        Reflections reflections = new Reflections(new ConfigurationBuilder()
+                .setScanners(new SubTypesScanner(false /* don't exclude Object.class */), new ResourcesScanner())
+                .setUrls(urls));
+
+        Set<Class<?>> classes = reflections.getSubTypesOf(Object.class);
+
+        return classes;
+    }
+
+  public Map<String, Integer> getClassNames(String packageName){
+      Map<String, Integer> nameList = new HashMap<>();
     Set<Class<?>> classes = getClassesInPackage(packageName);
+      if(packageName.equals("java.lang") && ! classes.contains(Object.class)) {
+        classes.add(Object.class);
+      }
     for(Class c : classes){
-      nameList.add(c.getName());
+      nameList.put(c.getName(), c.getTypeParameters().length);
     }
     return nameList;
   }

src/de/dhbwstuttgart/parser/JavaTXParser.java

@@ -29,7 +29,7 @@ public class JavaTXParser {
         */
     }
     
-    /* F<EFBFBD>r das Typsystem ist es notwendig, dass sich der Source in einer Datei befindet:
+    /* Für das Typsystem ist es notwendig, dass sich der Source in einer Datei befindet:
     public SourceFile parse(String fileContent) throws IOException, java.lang.ClassNotFoundException {
         return this.parse(new ByteArrayInputStream(fileContent.getBytes(StandardCharsets.UTF_8)));
     }

src/de/dhbwstuttgart/parser/SyntaxTreeGenerator/FCGenerator.java

@@ -0,0 +1,150 @@
+package de.dhbwstuttgart.parser.SyntaxTreeGenerator;
+
+import de.dhbwstuttgart.exceptions.DebugException;
+import de.dhbwstuttgart.exceptions.NotImplementedException;
+import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
+import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
+import de.dhbwstuttgart.syntaxtree.factory.ASTFactory;
+import de.dhbwstuttgart.syntaxtree.factory.UnifyTypeFactory;
+import de.dhbwstuttgart.syntaxtree.type.*;
+import de.dhbwstuttgart.typeinference.constraints.Pair;
+import de.dhbwstuttgart.typeinference.unify.model.*;
+
+import java.util.*;
+
+public class FCGenerator {
+    /**
+     * Baut die FiniteClosure aus availableClasses.
+     * Klassen welche nicht in availableClasses vorkommen werden im Java Classpath nachgeschlagen.
+     *
+     * @param availableClasses - Alle geparsten Klassen
+     */
+    public static Set<UnifyPair> toFC(Collection<ClassOrInterface> availableClasses) throws ClassNotFoundException {
+        HashSet<UnifyPair> pairs = new HashSet<>();
+        for(ClassOrInterface cly : availableClasses){
+            pairs.addAll(getSuperTypes(cly, availableClasses));
+        }
+        System.out.println(pairs);
+        return pairs;
+    }
+
+    /**
+     * Bildet eine Kette vom übergebenen Typ bis hin zum höchsten bekannten Typ
+     * Als Generics werden TPHs benutzt, welche der Unifikationsalgorithmus korrekt interpretieren muss.
+     * Die verwendeten TPHs werden in der Kette nach oben gereicht, so erhält der selbe GTV immer den selben TPH
+     * @param forType
+     * @return
+     */
+    private static List<UnifyPair> getSuperTypes(ClassOrInterface forType, Collection<ClassOrInterface> availableClasses) throws ClassNotFoundException {
+        return getSuperTypes(forType, availableClasses, new HashMap<>());
+    }
+
+    //TODO: implements Interface auch als superklassen beachten
+    private static List<UnifyPair> getSuperTypes(ClassOrInterface forType, Collection<ClassOrInterface> availableClasses, HashMap<String, UnifyType> gtvs) throws ClassNotFoundException {
+        List<UnifyType> params = new ArrayList<>();
+        //Die GTVs, die in forType hinzukommen:
+        HashMap<String, UnifyType> newGTVs = new HashMap<>();
+        //Generics mit gleichem Namen müssen den selben TPH bekommen
+        for(GenericTypeVar gtv : forType.getGenerics()){
+            if(!gtvs.containsKey(gtv.getParsedName())){
+                gtvs.put(gtv.getParsedName(), PlaceholderType.freshPlaceholder());
+                newGTVs.put(gtv.getParsedName(), PlaceholderType.freshPlaceholder());
+            }
+            params.add(gtvs.get(gtv.getParsedName()));
+        }
+
+        Optional<ClassOrInterface> hasSuperclass = availableClasses.stream().filter(cl -> forType.getSuperClass().getName().equals(cl.getClassName())).findAny();
+        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.getSystemClassLoader().loadClass(forType.getSuperClass().getName().toString()));
+        }else{
+            superClass = hasSuperclass.get();
+        }
+        /*
+        Die Parameter der superklasse müssen jetzt nach den Angaben in der Subklasse
+        modifiziert werden
+        Beispie: Matrix<A> extends Vector<Vector<A>>
+        Den ersten Parameter mit Vector<A> austauschen und dort alle Generics zu den Typplaceholdern in gtvs austauschen
+         */
+        //Hier vermerken, welche Typen im der Superklasse ausgetauscht werden müssen
+        Iterator<GenericTypeVar> itGenParams = superClass.getGenerics().iterator();
+        Iterator<RefTypeOrTPHOrWildcardOrGeneric> itSetParams = forType.getSuperClass().getParaList().iterator();
+        while(itGenParams.hasNext()){
+            RefTypeOrTPHOrWildcardOrGeneric setType = itSetParams.next();
+            //In diesem Typ die GTVs durch TPHs und Einsetzungen austauschen:
+            UnifyType setSetType = setType.acceptTV(new TypeExchanger(gtvs));
+            newGTVs.put(itGenParams.next().getParsedName(), setSetType);
+        }
+
+        UnifyType superType = forType.getSuperClass().acceptTV(new TypeExchanger(newGTVs));
+
+        TypeParams paramList = new TypeParams(params);
+        UnifyType t1 = new ReferenceType(forType.getClassName().toString(), paramList);
+        UnifyType t2 = superType;
+
+        UnifyPair ret = UnifyTypeFactory.generateSmallerPair(t1, t2);
+
+        List<UnifyPair> superTypes;
+        //Rekursiver Aufruf. Abbruchbedingung ist Object als Superklasse:
+        if(superClass.getClassName().equals(ASTFactory.createObjectClass().getClassName())){
+            superTypes = Arrays.asList(UnifyTypeFactory.generateSmallerPair(UnifyTypeFactory.convert(ASTFactory.createObjectType()), UnifyTypeFactory.convert(ASTFactory.createObjectType())));
+        }else{
+            superTypes = getSuperTypes(superClass, availableClasses, newGTVs);
+        }
+
+        List<UnifyPair> retList = new ArrayList<>();
+        retList.add(ret);
+        retList.addAll(superTypes);
+
+        return retList;
+    }
+
+    /**
+     * Tauscht die GTVs in einem Typ gegen die entsprechenden Typen in der übergebenen Map aus.
+     */
+    private static class TypeExchanger implements TypeVisitor<UnifyType>{
+
+        private final HashMap<String, UnifyType> gtvs;
+
+        TypeExchanger(HashMap<String, UnifyType> gtvs){
+            this.gtvs = gtvs;
+        }
+
+        @Override
+        public UnifyType visit(RefType refType) {
+            List<UnifyType> params = new ArrayList<>();
+            for(RefTypeOrTPHOrWildcardOrGeneric param : refType.getParaList()){
+                params.add(param.acceptTV(this));
+            }
+            TypeParams paramList = new TypeParams(params);
+            UnifyType ret = new ReferenceType(refType.getName().toString(), paramList);
+            return ret;
+        }
+
+        @Override
+        public UnifyType visit(SuperWildcardType superWildcardType) {
+            throw new DebugException("Dieser Fall darf nicht auftreten");
+        }
+
+        @Override
+        public UnifyType visit(TypePlaceholder typePlaceholder) {
+            throw new DebugException("Dieser Fall darf nicht auftreten");
+        }
+
+        @Override
+        public UnifyType visit(ExtendsWildcardType extendsWildcardType) {
+            throw new DebugException("Dieser Fall darf nicht auftreten");
+        }
+
+        @Override
+        public UnifyType visit(GenericRefType genericRefType) {
+            if(! gtvs.containsKey(genericRefType.getParsedName()))
+                throw new DebugException("Dieser Fall darf nicht auftreten");
+                //TODO: Diesen Dirty-Hack beseitigen. Fehler tritt bei java.lang.invoke.LambdaFormEditor$Transform$Kind auf.
+                //return UnifyTypeFactory.convert(ASTFactory.createObjectType());
+            return gtvs.get(genericRefType.getParsedName());
+        }
+
+    }
+}

src/de/dhbwstuttgart/parser/SyntaxTreeGenerator/StatementGenerator.java

@@ -7,7 +7,7 @@ import de.dhbwstuttgart.parser.scope.GenericsRegistry;
 import de.dhbwstuttgart.parser.scope.JavaClassRegistry;
 import de.dhbwstuttgart.syntaxtree.*;
 import de.dhbwstuttgart.syntaxtree.statement.*;
-import de.dhbwstuttgart.syntaxtree.statement.literal.*;
+import de.dhbwstuttgart.syntaxtree.statement.UnaryExpr.Operation;
 import de.dhbwstuttgart.syntaxtree.type.RefType;
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
 import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
@@ -95,7 +95,7 @@ public class StatementGenerator {
 
     private Statement convert(Java8Parser.StatementWithoutTrailingSubstatementContext stmt) {
         if(stmt.block() != null){
-            return convert(stmt.block());
+            return convert(stmt.block(), false);
         }else if(stmt.emptyStatement() != null){
             return new EmptyStmt(stmt.getStart());
         }else if(stmt.expressionStatement() != null){
@@ -121,14 +121,14 @@ public class StatementGenerator {
         }else throw new NotImplementedException();
     }
 
-    public Block convert(Java8Parser.BlockContext block) {
+    public Block convert(Java8Parser.BlockContext block, boolean addTrailingReturn) {
         List<Statement> statements = new ArrayList<>();
         if(block.blockStatements() != null)
             for(Java8Parser.BlockStatementContext statementContext : block.blockStatements().blockStatement()){
                 List<Statement> stmt = convert(statementContext);
                 statements.addAll(stmt);
             }
-        statements = SyntacticSugar.addTrailingReturn(statements);
+        if(addTrailingReturn)statements = SyntacticSugar.addTrailingReturn(statements);
         return new Block(statements, block.getStart());
     }
 
@@ -179,6 +179,14 @@ public class StatementGenerator {
         }else throw new NotImplementedException();
     }
 
+    public Receiver getReceiver(Expression expr){
+        if(expr instanceof StaticClassName){
+            return (Receiver) expr;
+        }else {
+            return new ExpressionReceiver(expr);
+        }
+    }
+
     private Statement convert(Java8Parser.MethodInvocationContext methodInvocationContext) {
         String name;
         if(methodInvocationContext.methodName()!=null){
@@ -200,7 +208,7 @@ public class StatementGenerator {
         }else throw new NotImplementedException();
 
         ArgumentList argumentList = convert(methodInvocationContext.argumentList());
-        MethodCall ret = new MethodCall(TypePlaceholder.fresh(methodInvocationContext.getStart()),new Receiver(receiver), name, argumentList, methodInvocationContext.getStart());
+        MethodCall ret = new MethodCall(TypePlaceholder.fresh(methodInvocationContext.getStart()), getReceiver(receiver), name, argumentList, methodInvocationContext.getStart());
         return ret;
     }
 
@@ -271,23 +279,24 @@ public class StatementGenerator {
     }
 
     private Statement convert(Java8Parser.PreIncrementExpressionContext stmt) {
-        //TODO
-        throw new NotImplementedException();
+    		Expression argument = convert(stmt.unaryExpression());
+    		Token offset = stmt.getStart();
+    		return new UnaryExpr(UnaryExpr.Operation.PREINCREMENT, argument, TypePlaceholder.fresh(offset), offset);
     }
 
-    private Statement convert(Java8Parser.PreDecrementExpressionContext stmt) {
-        //TODO
-        throw new NotImplementedException();
+	private Statement convert(Java8Parser.PreDecrementExpressionContext stmt) {
+		return new UnaryExpr(UnaryExpr.Operation.PREDECREMENT, convert(stmt.unaryExpression()),
+                TypePlaceholder.fresh(stmt.getStart()), stmt.getStart());
     }
 
     private Statement convert(Java8Parser.PostIncrementExpressionContext stmt) {
-        //TODO
-        throw new NotImplementedException();
+        return new UnaryExpr(UnaryExpr.Operation.POSTINCREMENT, convert(stmt.postfixExpression()),
+                TypePlaceholder.fresh(stmt.getStart()), stmt.getStart());
     }
 
     private Statement convert(Java8Parser.PostDecrementExpressionContext stmt) {
-        //TODO
-        throw new NotImplementedException();
+    		return new UnaryExpr(UnaryExpr.Operation.POSTDECREMENT, convert(stmt.postfixExpression()),
+                TypePlaceholder.fresh(stmt.getStart()), stmt.getStart());
     }
 
     private Statement convert(Java8Parser.AssignmentContext stmt) {
@@ -308,8 +317,10 @@ public class StatementGenerator {
     }
 
     private Statement convert(Java8Parser.IfThenElseStatementContext stmt){
-        //TODO
-        throw new NotImplementedException();
+        Expression expr = convert(stmt.expression());
+        Statement thenBlock = convert(stmt.statementNoShortIf());
+        Statement elseBlock = convert(stmt.statement());
+        return new IfStmt(TypePlaceholder.fresh(stmt.getStart()), expr, thenBlock, elseBlock, stmt.getStart());
     }
 
     private Statement convert(Java8Parser.IfThenElseStatementNoShortIfContext stmt){
@@ -533,8 +544,7 @@ public class StatementGenerator {
         if(expression.conditionalOrExpression() == null){
             return convert(expression.conditionalAndExpression());
         }else{
-            return new Binary(convert(expression.conditionalOrExpression()),
-                    convert(expression.conditionalAndExpression()), Binary.Operator.OR);
+            throw new NotImplementedException();
         }
     }
 
@@ -542,8 +552,7 @@ public class StatementGenerator {
         if(expression.conditionalAndExpression() == null){
             return convert(expression.inclusiveOrExpression());
         }else{
-            return new Binary(convert(expression.conditionalAndExpression()),
-                    convert(expression.inclusiveOrExpression()), Binary.Operator.AND);
+            throw new NotImplementedException();
         }
     }
 
@@ -580,11 +589,43 @@ public class StatementGenerator {
     }
 
     private Expression convert(Java8Parser.RelationalExpressionContext expression) {
-        if(expression.relationalExpression() == null){
+        if(expression.relationalExpression() == null) {
             return convert(expression.shiftExpression());
-        }else{
-            throw new NotImplementedException();
+        }else {
+            String operator = expression.getChild(1).getText();
+            return new BinaryExpr(convertBinaryOperator(operator), TypePlaceholder.fresh(expression.getStart()),
+                    convert(expression.relationalExpression()),
+                    convert(expression.shiftExpression()), expression.getStart());
         }
+            //}else throw new NotImplementedException();
+    }
+
+    private BinaryExpr.Operator convertBinaryOperator(String operator) {
+        //return BinaryExpr.Operator.ADD;
+    		if(operator.equals("+")) {
+    			return BinaryExpr.Operator.ADD;
+    		}else if(operator.equals("-")) {
+    			return BinaryExpr.Operator.SUB;
+    		}else if(operator.equals("*")) {
+    			return BinaryExpr.Operator.MUL;
+    		}else if(operator.equals("&")) {
+    			return BinaryExpr.Operator.AND;
+    		}else if(operator.equals("|")) {
+    			return BinaryExpr.Operator.OR;
+    		}else if(operator.equals("/")) {
+    			return BinaryExpr.Operator.DIV;
+    		}else if(operator.equals("<")) {
+    			return BinaryExpr.Operator.LESSTHAN;
+    		}else if(operator.equals(">")) {
+    			return BinaryExpr.Operator.BIGGERTHAN;
+    		}else if(operator.equals(">=")) {
+    			return BinaryExpr.Operator.BIGGEREQUAL;
+    		} else if(operator.equals("<=")) {
+    			return BinaryExpr.Operator.LESSEQUAL;
+    		} else {
+    			throw new NotImplementedException();
+    		}
+//    		throw new NotImplementedException();
     }
 
     private Expression convert(Java8Parser.ShiftExpressionContext expression) {
@@ -596,10 +637,15 @@ public class StatementGenerator {
     }
 
     private Expression convert(Java8Parser.AdditiveExpressionContext expression) {
+
         if(expression.additiveExpression() == null){
             return convert(expression.multiplicativeExpression());
-        }else{
-            throw new NotImplementedException();
+        }else {
+            Expression leftSide = convert(expression.additiveExpression());
+            Expression rightSide = convert(expression.multiplicativeExpression());
+            BinaryExpr.Operator op = convertBinaryOperator(expression.getChild(1).getText());
+            Token offset = expression.getStart();
+            return new BinaryExpr(op, TypePlaceholder.fresh(expression.getStart()), leftSide, rightSide, offset);
         }
     }
 
@@ -607,7 +653,11 @@ public class StatementGenerator {
         if(expression.multiplicativeExpression() == null){
             return convert(expression.unaryExpression());
         }else{
-            throw new NotImplementedException();
+        		Expression leftSide = convert(expression.multiplicativeExpression());
+        		Expression rightSide = convert(expression.unaryExpression());
+        		BinaryExpr.Operator op = convertBinaryOperator(expression.getChild(1).getText());
+        		Token offset = expression.getStart();
+        		return new BinaryExpr(op, TypePlaceholder.fresh(offset), leftSide, rightSide, offset);
         }
     }
 
@@ -619,9 +669,11 @@ public class StatementGenerator {
         }else if(expression.unaryExpressionNotPlusMinus() != null){
             return convert(expression.unaryExpressionNotPlusMinus());
         }else if(expression.getText().startsWith("+")){
-            return new UnaryPlus(convert(expression.unaryExpression()));
+            return new UnaryExpr(UnaryExpr.Operation.PLUS, convert(expression.unaryExpression()),
+                    TypePlaceholder.fresh(expression.getStart()), expression.getStart());
         }else if(expression.getText().startsWith("-")){
-            return new UnaryMinus(convert(expression.unaryExpression()));
+            return new UnaryExpr(UnaryExpr.Operation.MINUS, convert(expression.unaryExpression()),
+                    TypePlaceholder.fresh(expression.getStart()), expression.getStart());
         }else{
             //Diese Exceptions sollte nie geworfen werden.
             //Der Code wurde nur noch nicht getestet. Sollte zur Sicherheit drin bleiben.
@@ -664,10 +716,10 @@ public class StatementGenerator {
         }
 
         for(Java8Parser.PostIncrementExpression_lf_postfixExpressionContext inc : expression.postIncrementExpression_lf_postfixExpression()){
-            expr = new PostIncExpr(expr);
+            expr = new UnaryExpr(UnaryExpr.Operation.POSTINCREMENT, expr, TypePlaceholder.fresh(inc.getStart()), inc.getStart());
         }
         for(Java8Parser.PostDecrementExpression_lf_postfixExpressionContext dec : expression.postDecrementExpression_lf_postfixExpression()){
-            expr = new PostDecExpr(expr);
+            expr = new UnaryExpr(UnaryExpr.Operation.POSTDECREMENT, expr, TypePlaceholder.fresh(dec.getStart()), dec.getStart());
         }
 
         return expr;
@@ -701,7 +753,7 @@ public class StatementGenerator {
         }else {
             Java8Parser.MethodInvocation_lf_primaryContext ctxt = e.methodInvocation_lf_primary();
             String methodName = ctxt.Identifier().toString();
-            return new MethodCall(TypePlaceholder.fresh(e.getStart()), new Receiver(expr), methodName, convert(ctxt.argumentList()), e.getStart());
+            return new MethodCall(TypePlaceholder.fresh(e.getStart()), getReceiver(expr), methodName, convert(ctxt.argumentList()), e.getStart());
         }
     }
 
@@ -763,25 +815,27 @@ public class StatementGenerator {
     private Expression convert(Java8Parser.LiteralContext literal) {
         if(literal.IntegerLiteral() != null || literal.FloatingPointLiteral()!= null){
             Number value = Double.parseDouble(literal.IntegerLiteral().getText());
-            return new NumberLiteral(TypePlaceholder.fresh(literal.getStart()),
+            return new Literal(TypePlaceholder.fresh(literal.getStart()),
                     value, literal.getStart());
         }else if(literal.BooleanLiteral() != null){
             RefType type = new RefType(reg.getName("java.lang.Boolean"),literal.getStart());
-            return new BoolLiteral(type,
+            return new Literal(type,
                     Boolean.parseBoolean(literal.BooleanLiteral().getText()),
                     literal.getStart());
         }else if(literal.CharacterLiteral() != null){
             RefType type = new RefType(reg.getName("java.lang.Character"),literal.getStart());
-            return new CharLiteral(type,
-                    literal.CharacterLiteral().getText().charAt(0),
+            return new Literal(type,
+            			// das gibt immer ' zurück, der Char befindet sich in Position 1 
+        				//literal.CharacterLiteral().getText().charAt(0),
+                    literal.CharacterLiteral().getText().charAt(1),
                     literal.getStart());
         }else if(literal.StringLiteral()!=null){
             RefType type = new RefType(reg.getName("java.lang.String"),literal.getStart());
-            return new StringLiteral(type,
+            return new Literal(type,
                     literal.StringLiteral().getText(),
                     literal.getStart());
         }else  if(literal.NullLiteral() != null){
-            return new Null(TypePlaceholder.fresh(literal.getStart()),
+            return new Literal(TypePlaceholder.fresh(literal.getStart()), null,
                     literal.getStart());
         }else {
             throw new NotImplementedException();
@@ -809,7 +863,7 @@ public class StatementGenerator {
         }
 
         ArgumentList argumentList = convert(methodInvocationContext.argumentList());
-        MethodCall ret = new MethodCall(TypePlaceholder.fresh(methodInvocationContext.getStart()), new Receiver(receiver), name, argumentList, methodInvocationContext.getStart());
+        MethodCall ret = new MethodCall(TypePlaceholder.fresh(methodInvocationContext.getStart()), getReceiver(receiver), name, argumentList, methodInvocationContext.getStart());
         return ret;
     }
 
@@ -842,7 +896,7 @@ public class StatementGenerator {
                     expression.lambdaBody().expression().getStart()));
             block = new Block(statements, expression.lambdaBody().getStart());
         }else{
-            block = lambdaGenerator.convert(expression.lambdaBody().block());
+            block = lambdaGenerator.convert(expression.lambdaBody().block(), true);
         }
         List<RefTypeOrTPHOrWildcardOrGeneric> funNParams = new ArrayList<>();
         funNParams.add(TypePlaceholder.fresh(expression.getStart()));//ret-Type

src/de/dhbwstuttgart/parser/SyntaxTreeGenerator/SyntacticSugar.java

@@ -1,6 +1,9 @@
 package de.dhbwstuttgart.parser.SyntaxTreeGenerator;
 
+import de.dhbwstuttgart.exceptions.NotImplementedException;
 import de.dhbwstuttgart.parser.NullToken;
+import de.dhbwstuttgart.syntaxtree.AbstractASTWalker;
+import de.dhbwstuttgart.syntaxtree.Constructor;
 import de.dhbwstuttgart.syntaxtree.statement.*;
 
 import java.util.List;
@@ -10,22 +13,27 @@ public class SyntacticSugar {
     public static List<Statement> addTrailingReturn(List<Statement> statements){
         if(statements.size()!=0) {
             Statement lastStmt = statements.get(statements.size() - 1);
-            if (lastStmt instanceof Return) return statements;
-            if (lastStmt instanceof WhileStmt) {
-                //TODO
-                //if (hasReturn(((WhileStmt) lastStmt).loopBlock)) return statements;
-            } else if (lastStmt instanceof IfStmt) {
-                if (hasReturn(((IfStmt) lastStmt).then_block)
-                        && hasReturn(((IfStmt) lastStmt).else_block)) return statements;
-            } else if (lastStmt instanceof ForStmt) {
-                if (hasReturn(((ForStmt) lastStmt).body_Loop_block)) return statements;
-            } else {
-            }
+            ReturnFinder hasReturn = new ReturnFinder();
+            lastStmt.accept(hasReturn);
+            if(hasReturn.hasReturn)return statements;
         }
         statements.add(new ReturnVoid(new NullToken()));
         return statements;
     }
 
+    private static class ReturnFinder extends AbstractASTWalker{
+        public boolean hasReturn = false;
+        @Override
+        public void visit(Return aReturn) {
+            hasReturn = true;
+        }
+
+        @Override
+        public void visit(ReturnVoid aReturn) {
+            hasReturn = true;
+        }
+    }
+
     private static boolean hasReturn(Block block){
         for(Statement s : block.getStatements())
             if(s instanceof Return)return true;

src/de/dhbwstuttgart/parser/SyntaxTreeGenerator/SyntaxTreeGenerator.java

@@ -1,9 +1,12 @@
 package de.dhbwstuttgart.parser.SyntaxTreeGenerator;
 
+import de.dhbwstuttgart.environment.PackageCrawler;
 import de.dhbwstuttgart.exceptions.NotImplementedException;
 import java.lang.ClassNotFoundException;
 
+import de.dhbwstuttgart.exceptions.TypeinferenceException;
 import de.dhbwstuttgart.parser.antlr.Java8Parser;
+import de.dhbwstuttgart.parser.scope.GatherNames;
 import de.dhbwstuttgart.parser.scope.GenericsRegistry;
 import de.dhbwstuttgart.parser.scope.JavaClassName;
 import de.dhbwstuttgart.parser.scope.JavaClassRegistry;
@@ -15,9 +18,9 @@ import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
 import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 
 import java.lang.reflect.Modifier;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
+import java.sql.Ref;
+import java.util.*;
+import java.util.stream.Collectors;
 
 //import jdk.internal.dynalink.support.TypeConverterFactory;
 import org.antlr.v4.runtime.CommonToken;
@@ -28,7 +31,7 @@ public class SyntaxTreeGenerator{
   private JavaClassRegistry reg;
   private final GenericsRegistry globalGenerics;
   private String pkgName = "";
-  List<JavaClassName> imports = new ArrayList();
+  Set<JavaClassName> imports = new HashSet();
 
   List<Statement> fieldInitializations = new ArrayList<>();
 
@@ -69,56 +72,10 @@ public class SyntaxTreeGenerator{
     return ret;
   }
   
-  public void setImports(Java8Parser.CompilationUnitContext ctx) throws ClassNotFoundException {
-    List<JavaClassName> newImports = new ArrayList();
-    for(Java8Parser.ImportDeclarationContext importDeclCtx : ctx.importDeclaration()){
-      if(importDeclCtx.singleTypeImportDeclaration() != null){
-        newImports.add(convertSingleTypeImportDeclaration(importDeclCtx.singleTypeImportDeclaration()));
-      }
-      else if(importDeclCtx.typeImportOnDemandDeclaration() != null){
-        newImports.addAll(convertTypeImportOnDemandDeclaration(importDeclCtx.typeImportOnDemandDeclaration()));
-      }
-      else if(importDeclCtx.singleStaticImportDeclaration() != null){
-        newImports.add(convertSingleStaticImportDeclaration(importDeclCtx.singleStaticImportDeclaration()));
-      }
-      else{
-        newImports.addAll(convertStaticImportOnDemandDeclaration(importDeclCtx.staticImportOnDemandDeclaration()));
-      }
-    }
-    this.imports.addAll(newImports);
-  }
-  
-  private JavaClassName convertSingleTypeImportDeclaration(Java8Parser.SingleTypeImportDeclarationContext ctx) throws ClassNotFoundException{
-    String typeName = convertTypeName(ctx.typeName());
-	JavaClassName ret = reg.getName(typeName);
-	return ret;
-  }
-  
-  private List<JavaClassName> convertTypeImportOnDemandDeclaration(Java8Parser.TypeImportOnDemandDeclarationContext ctx){
-    return reg.getAllFromPackage(ctx.packageOrTypeName().getText());
-  }
-  
-  private JavaClassName convertSingleStaticImportDeclaration(Java8Parser.SingleStaticImportDeclarationContext ctx){
-    throw new NotImplementedException();
-  }
-  
-  private List<JavaClassName> convertStaticImportOnDemandDeclaration(Java8Parser.StaticImportOnDemandDeclarationContext ctx){
-    return reg.getAllFromPackage(ctx.typeName().getText());
-  }
-  
-  private String getPackageFromClass(String cls){
-    String ret = "";
-    String[] parts = cls.split("\\.");
-    for(int i = 0; i < parts.length - 1; i++){
-      ret = ret + "." + parts[i];
-    }
-    ret = ret.substring(1);
-    return ret;
-  }
-  
-  public SourceFile convert(Java8Parser.CompilationUnitContext ctx) throws ClassNotFoundException{
+  public SourceFile convert(Java8Parser.CompilationUnitContext ctx, PackageCrawler packageCrawler) throws ClassNotFoundException{
     List<ClassOrInterface> classes = new ArrayList<>();
-    this.setImports(ctx);
+    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;
       if(typeDecl.classDeclaration() != null){
@@ -179,16 +136,16 @@ public class SyntaxTreeGenerator{
         //TODO: Error! Abstrakte Methode ohne abstrakt Keyword
       }
     }else{
-      block = stmtGen.convert(body.block());
+      block = stmtGen.convert(body.block(),true);
     }
     if(parentClass.equals(new JavaClassName(name))){
-      return new Constructor(modifiers, name, retType, modifiers, parameterList, block, gtvDeclarations, header.getStart(), fieldInitializations, superClass);
+      return new Constructor(modifiers, name, retType, parameterList, block, gtvDeclarations, header.getStart(), fieldInitializations);
     }else{
-      return new Method(modifiers, name, retType, modifiers, parameterList,block, gtvDeclarations, header.getStart());
+      return new Method(modifiers, name, retType, parameterList,block, gtvDeclarations, header.getStart());
     }
   }
 
-  private ClassOrInterface convertClass(Java8Parser.ClassDeclarationContext ctx) {
+  private ClassOrInterface convertClass(Java8Parser.ClassDeclarationContext ctx)  {
     ClassOrInterface newClass;
     if(ctx.normalClassDeclaration() != null){
       newClass = convertNormal(ctx.normalClassDeclaration());
@@ -199,7 +156,7 @@ public class SyntaxTreeGenerator{
     return newClass;
   }
   
-  private ClassOrInterface convertNormal(Java8Parser.NormalClassDeclarationContext ctx){
+  private ClassOrInterface convertNormal(Java8Parser.NormalClassDeclarationContext ctx) {
     int modifiers = 0;
     if(ctx.classModifier() != null){
       for(Java8Parser.ClassModifierContext mod : ctx.classModifier()){
@@ -207,7 +164,12 @@ public class SyntaxTreeGenerator{
         modifiers += newModifier;
       }
     }
-    JavaClassName name = reg.getName(ctx.Identifier().getText());
+    String className = this.pkgName + (this.pkgName.length()>0?".":"") + ctx.Identifier().getText();
+    JavaClassName name = reg.getName(className);
+    if(! name.toString().equals(className)){
+      throw new TypeinferenceException("Name " + className + " bereits vorhanden in " + reg.getName(className).toString()
+              ,ctx.getStart());
+    }
     GenericsRegistry generics = createGenerics(ctx.typeParameters(), name, "", reg, new GenericsRegistry(globalGenerics));
     Token offset = ctx.getStart();
     GenericDeclarationList genericClassParameters;
@@ -220,7 +182,7 @@ public class SyntaxTreeGenerator{
     if(ctx.superclass() != null){
       superClass = convert(ctx.superclass());
     }else{
-      superClass = ASTFactory.createObjectClass().getType();
+      superClass = new RefType(ASTFactory.createObjectClass().getClassName(), ctx.getStart());
     }
     List<Field> fielddecl = convertFields(ctx.classBody(), generics);
     List<Method> methods = convertMethods(ctx.classBody(), name, superClass, generics);
@@ -264,14 +226,23 @@ public class SyntaxTreeGenerator{
    */
   private Constructor generateStandardConstructor(String className, JavaClassName parentClass, RefType superClass, GenericDeclarationList classGenerics, Token offset){
     RefType classType = ClassOrInterface.generateTypeOfClass(reg.getName(className), classGenerics, offset);
-    int modifiers = 0;
     ParameterList params = new ParameterList(new ArrayList<>(), offset);
     Block block = new Block(new ArrayList<>(), offset);
-    return new Constructor(Modifier.PUBLIC, className, classType, modifiers, params, block, classGenerics, offset, fieldInitializations, superClass);
+    return new Constructor(Modifier.PUBLIC, className, classType, params, block, classGenerics, offset, fieldInitializations);
   }
 
   private RefType convert(Java8Parser.SuperclassContext superclass) {
-    throw new NotImplementedException();
+    if(superclass.classType().classOrInterfaceType() != null){
+      throw new NotImplementedException();
+    }else{
+      RefTypeOrTPHOrWildcardOrGeneric ret = TypeGenerator.convertTypeName(superclass.classType().Identifier().getText(), superclass.classType().typeArguments(),
+              superclass.getStart(), reg, globalGenerics);
+      if(ret instanceof RefType){
+        return (RefType) ret;
+      }else{
+        throw new TypeinferenceException(superclass.getText() + " ist kein gültiger Supertyp", superclass.getStart());
+      }
+    }
   }
 
   private List<Method> convertMethods(Java8Parser.ClassBodyContext classBodyContext,
@@ -412,6 +383,8 @@ public class SyntaxTreeGenerator{
         modifiers += newModifier;
       }
     }
+    if(!Modifier.isInterface(modifiers))modifiers += Modifier.INTERFACE;
+    
     JavaClassName name = reg.getName(ctx.Identifier().getText());
 
     GenericsRegistry generics = createGenerics(ctx.typeParameters(), name, "", reg, new GenericsRegistry(globalGenerics));
@@ -422,7 +395,7 @@ public class SyntaxTreeGenerator{
     }else{
       genericParams = createEmptyGenericDeclarationList(ctx.Identifier());
     }
-    RefType superClass = ASTFactory.createObjectClass().getType();
+    RefType superClass = ASTFactory.createObjectType();
 
     List<Field> fields = convertFields(ctx.interfaceBody());
     List<Method> methods = convertMethods(ctx.interfaceBody(), name, superClass, generics);

src/de/dhbwstuttgart/parser/SyntaxTreeGenerator/TypeGenerator.java

@@ -14,6 +14,7 @@ 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 org.antlr.v4.runtime.Token;
 
 import java.util.ArrayList;
@@ -39,10 +40,15 @@ public class TypeGenerator {
 
     public static RefTypeOrTPHOrWildcardOrGeneric convert(Java8Parser.UnannTypeContext unannTypeContext, JavaClassRegistry reg, GenericsRegistry genericsRegistry) {
         if(unannTypeContext.unannPrimitiveType()!=null){
-            throw new NotImplementedException();
+            if(unannTypeContext.unannPrimitiveType().getText().equals("boolean")){
+                return new RefType(ASTFactory.createClass(Boolean.class).getClassName(), unannTypeContext.getStart());
+            }else{
+                Java8Parser.NumericTypeContext numericType = unannTypeContext.unannPrimitiveType().numericType();
+                throw new NotImplementedException();
+            }
         }else
         if(unannTypeContext.unannReferenceType().unannArrayType()!=null){
-            System.out.println(unannTypeContext.getText());
+            //System.out.println(unannTypeContext.getText());
             throw new NotImplementedException();
         }else
         if(unannTypeContext.unannReferenceType().unannTypeVariable()!=null){
@@ -77,7 +83,7 @@ public class TypeGenerator {
     public static List<RefTypeOrTPHOrWildcardOrGeneric> convert(Java8Parser.TypeBoundContext typeBoundContext, JavaClassRegistry reg, GenericsRegistry generics) {
         List<RefTypeOrTPHOrWildcardOrGeneric> ret = new ArrayList<>();
         if(typeBoundContext == null){
-            ret.add(ASTFactory.createObjectClass().getType());
+            ret.add(ASTFactory.createObjectType());
             return ret;
         }
         if(typeBoundContext.typeVariable() != null){
@@ -105,7 +111,18 @@ public class TypeGenerator {
     }
 
     public static RefTypeOrTPHOrWildcardOrGeneric convert(Java8Parser.ReferenceTypeContext referenceTypeContext, JavaClassRegistry reg, GenericsRegistry generics) {
-        return convertTypeName(referenceTypeContext.getText(), referenceTypeContext.getStart(), reg, generics);
+        if(referenceTypeContext.classOrInterfaceType() != null){
+            if(referenceTypeContext.classOrInterfaceType().classType_lfno_classOrInterfaceType()!= null){
+                Java8Parser.ClassType_lfno_classOrInterfaceTypeContext ctx = referenceTypeContext.classOrInterfaceType().classType_lfno_classOrInterfaceType();
+                //return convertTypeName(ctx.Identifier().toString(), ctx.typeArguments(),referenceTypeContext.getStart(), reg, generics);
+                if(ctx.typeArguments() != null)throw new NotImplementedException();
+                return convertTypeName(referenceTypeContext.getText(), null,referenceTypeContext.getStart(), reg, generics);
+            }else{
+                throw new NotImplementedException();
+            }
+        }else{
+            throw new NotImplementedException();
+        }
     }
 
     public static RefTypeOrTPHOrWildcardOrGeneric convertTypeName(String name, Token offset, JavaClassRegistry reg, GenericsRegistry generics){
@@ -122,7 +139,11 @@ public class TypeGenerator {
             }
         }
         if(typeArguments == null){
-            return new RefType(reg.getName(name), offset);
+            List<RefTypeOrTPHOrWildcardOrGeneric> params = new ArrayList<>();
+            for(int i = 0; i<reg.getNumberOfGenerics(name);i++){
+                params.add(TypePlaceholder.fresh(offset));
+            }
+            return new RefType(reg.getName(name), params, offset);
         }else{
             return new RefType(reg.getName(name), convert(typeArguments, reg, generics), offset);
         }

src/de/dhbwstuttgart/parser/scope/GatherNames.java

@@ -1,7 +1,9 @@
 package de.dhbwstuttgart.parser.scope;
 
 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;
@@ -13,8 +15,8 @@ import de.dhbwstuttgart.parser.antlr.Java8Parser;
 
 public class GatherNames {
 
-	  public static List<String> getNames(Java8Parser.CompilationUnitContext ctx, PackageCrawler packages) throws ClassNotFoundException{
-		  List<String> ret = new ArrayList<>();
+	  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 = "";
 	    for (Java8Parser.TypeDeclarationContext typeDecl : ctx.typeDeclaration()){
@@ -26,6 +28,8 @@ public class GatherNames {
 	          else{
 	            nameString = typeDecl.interfaceDeclaration().normalInterfaceDeclaration().Identifier().toString();
 	          }
+				int numGenerics = typeDecl.interfaceDeclaration().normalInterfaceDeclaration().typeParameters()!=null?
+						typeDecl.interfaceDeclaration().normalInterfaceDeclaration().typeParameters().typeParameterList().typeParameter().size():0;
 	          //Die Generic TypeParameter Definitionen Nicht! an die JavaClassName-Registry anfügen:
 	          /* //Diese gelängen dadurch in den globalen Scope, was sie schließlich nicht sind
 	          if(typeDecl.classDeclaration().normalClassDeclaration().typeParameters() != null){
@@ -34,7 +38,7 @@ public class GatherNames {
 	            }
 	          }
 	          */
-	          ret.add(nameString);
+	          ret.put(nameString, numGenerics);
 	        }
 	      }
 	      else{
@@ -53,30 +57,36 @@ public class GatherNames {
 	            }
 	          }
 	          */
-	          ret.add(nameString);
+				int numGenerics = typeDecl.classDeclaration().normalClassDeclaration().typeParameters()!=null?
+						typeDecl.classDeclaration().normalClassDeclaration().typeParameters().typeParameterList().typeParameter().size():0;
+
+				ret.put(nameString, numGenerics);
 	        }
 	      }
 	    }
-	    ret.addAll(getImports(ctx, packages));
+	    ret.putAll(getImports(ctx, packages));
 	    return ret;
 	  }
 	  
 
-	  private static List<String> getImports(Java8Parser.CompilationUnitContext ctx, PackageCrawler packages) throws ClassNotFoundException {
-	    List<String> ret = new ArrayList();
-		  ret.addAll(packages.getClassNames("java.lang"));
-	    for(Java8Parser.ImportDeclarationContext importDeclCtx : ctx.importDeclaration()){
+	  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){
-	    	  ret.add(importDeclCtx.singleTypeImportDeclaration().typeName().getText());
+	    	  Class cl = classLoader.loadClass(importDeclCtx.singleTypeImportDeclaration().typeName().getText());
+			  ret.put(cl.getName(), cl.getTypeParameters().length);
 	      }
 	      else if(importDeclCtx.typeImportOnDemandDeclaration() != null){
-	    	  ret.addAll(packages.getClassNames(importDeclCtx.typeImportOnDemandDeclaration().packageOrTypeName().getText()));
+	    	  ret.putAll(packages.getClassNames(importDeclCtx.typeImportOnDemandDeclaration().packageOrTypeName().getText()));
 	      }
 	      else if(importDeclCtx.singleStaticImportDeclaration() != null){
-	    	  ret.add(importDeclCtx.singleStaticImportDeclaration().typeName().getText()+"."+importDeclCtx.singleStaticImportDeclaration().Identifier().getText());
-	      }
+			  Class cl = classLoader.loadClass(importDeclCtx.singleStaticImportDeclaration().typeName().getText()+"."+importDeclCtx.singleStaticImportDeclaration().Identifier().getText());
+			  ret.put(cl.getName(), cl.getTypeParameters().length);
+		  }
 	      else{
-	    	  ret.addAll(packages.getClassNames(importDeclCtx.staticImportOnDemandDeclaration().typeName().getText()));
+	    	  ret.putAll(packages.getClassNames(importDeclCtx.staticImportOnDemandDeclaration().typeName().getText()));
 	      }
 	    }
 	    return ret;

src/de/dhbwstuttgart/parser/scope/GenericTypeName.java

@@ -19,4 +19,8 @@ public class GenericTypeName extends JavaClassName {
                 + DELIMITER + methodName
                 + DELIMITER + super.toString();
     }
+
+    public JavaClassName getParentClass() {
+        return parentClass;
+    }
 }

src/de/dhbwstuttgart/parser/scope/JavaClassName.java

@@ -49,8 +49,10 @@ public class JavaClassName {
 		final int prime = 31;
 		int result = 1;
 		result = prime * result + ((name == null) ? 0 : name.hashCode());
+		/*
 		result = prime * result
 				+ ((packageName == null) ? 0 : packageName.hashCode()); //PackageName does not infect hashCode
+		*/
 		return result;
 	}
 

src/de/dhbwstuttgart/parser/scope/JavaClassRegistry.java

@@ -8,20 +8,16 @@ import java.util.*;
  * Speichert die Klassen f<>r einen bestimmten Projektscope
  */
 public class JavaClassRegistry {
-    final List<JavaClassName> existingClasses = new ArrayList<>();
+    final Map<JavaClassName, Integer> existingClasses = new HashMap<>();
 
-    public JavaClassRegistry(List<String> initialNames){
-        for(String name : initialNames){
-            existingClasses.add(new JavaClassName(name));
+    public JavaClassRegistry(Map<String, Integer> initialNames){
+        for(String name : initialNames.keySet()){
+            existingClasses.put(new JavaClassName(name), initialNames.get(name));
         }
     }
-    
-    public void add(String className){
-        existingClasses.add(new JavaClassName(className));
-    }
 
     public JavaClassName getName(String className) {
-        for(JavaClassName name : existingClasses){
+        for(JavaClassName name : existingClasses.keySet()){
             if(name.equals(new JavaClassName(className)))return name;
         }
         throw new NotImplementedException();
@@ -34,7 +30,7 @@ public class JavaClassRegistry {
 
     public List<JavaClassName> getAllFromPackage(String packageName) {
         List<JavaClassName> ret = new ArrayList<>();
-        for(JavaClassName className : this.existingClasses){
+        for(JavaClassName className : this.existingClasses.keySet()){
             JavaClassName toCompare = new JavaClassName(packageName + "." + JavaClassName.stripClassName(className.toString()));
             if(toCompare.toString().equals(className.toString())){
                 ret.add(className);
@@ -44,6 +40,10 @@ public class JavaClassRegistry {
     }
 
     public boolean contains(String whole) {
-        return existingClasses.contains(new JavaClassName(whole));
+        return existingClasses.containsKey(new JavaClassName(whole));
+    }
+
+    public int getNumberOfGenerics(String name) {
+        return existingClasses.get(new JavaClassName(name));
     }
 }

src/de/dhbwstuttgart/sat/CNF/CNF.java

@@ -0,0 +1,8 @@
+package de.dhbwstuttgart.sat.CNF;
+
+public class CNF {
+    /*
+    Baut die CNF Datei.
+    Hier muss man überlegen, in welchem Form die Constraints gebaut werden
+     */
+}

src/de/dhbwstuttgart/sat/CNF/Writer.java

@@ -0,0 +1,12 @@
+package de.dhbwstuttgart.sat.CNF;
+
+import java.io.*;
+
+/**
+ * Schreibt CNFs in eine Datei im DIMACS CNF Format
+ */
+public class Writer {
+    public Writer(FileWriter output){
+
+    }
+}

src/de/dhbwstuttgart/sat/asp/Clingo.java

@@ -0,0 +1,46 @@
+package de.dhbwstuttgart.sat.asp;
+
+
+import org.apache.commons.io.IOUtils;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class Clingo {
+    private final List<File> input;
+    private static final List<File> programFiles = new ArrayList<>();
+    static{
+        programFiles.add(new File("/home/janulrich/Sync/HiwiJob/ResearchPapers/MasterarbeitStadelmeier/asp/unifyWithoutWildcards/basis.lp"));
+        programFiles.add(new File("/home/janulrich/Sync/HiwiJob/ResearchPapers/MasterarbeitStadelmeier/asp/unifyWithoutWildcards/subst.lp"));
+        programFiles.add(new File("/home/janulrich/Sync/HiwiJob/ResearchPapers/MasterarbeitStadelmeier/asp/unifyWithoutWildcards/reduce1.lp"));
+        programFiles.add(new File("/home/janulrich/Sync/HiwiJob/ResearchPapers/MasterarbeitStadelmeier/asp/unifyWithoutWildcards/reduce2.lp"));
+        programFiles.add(new File("/home/janulrich/Sync/HiwiJob/ResearchPapers/MasterarbeitStadelmeier/asp/unifyWithoutWildcards/unify.lp"));
+    }
+
+    public Clingo(List<File> inputFiles){
+        this.input = inputFiles;
+    }
+
+    public String runClingo() throws IOException, InterruptedException {
+        String pathToClingo =
+                "/home/janulrich/Sync/HiwiJob/ResearchPapers/MasterarbeitStadelmeier/asp/clingo-5.2.1-linux-x86_64/clingo";
+        List<String> commands = new ArrayList<>();
+        commands.add(pathToClingo);
+        commands.add("--outf=2"); //use JSON-Output
+        for(File file : input){
+            commands.add(file.getPath());
+        }
+        commands.addAll(programFiles.stream().map(f->f.getPath()).collect(Collectors.toList()));
+        Process clingo = new ProcessBuilder( commands.toArray(new String[0])).start();
+        InputStream output = clingo.getInputStream();
+        clingo.waitFor();
+        String result = IOUtils.toString(output, StandardCharsets.UTF_8);
+        return result;
+    }
+}

src/de/dhbwstuttgart/sat/asp/model/ASPRule.java

@@ -0,0 +1,25 @@
+package de.dhbwstuttgart.sat.asp.model;
+
+public enum ASPRule {
+    ASP_GENERIC_TYPE_NAME("genericType"),
+    ASP_PAIR_EQUALS_NAME("equals"),
+    ASP_PAIR_SMALLER_NAME("smaller"),
+    ASP_PAIR_SMALLER_DOT_NAME("smallerDot"),
+    ASP_PARAMLIST_NAME("param"),
+    ASP_PARAMLISTNUMERATION_NAME("paramNum"),
+    ASP_PARAMLIST_END_POINTER("null"),
+    ASP_TYPE("type"),
+    ASP_FCTYPE("type")
+    ;
+
+    private final String text;
+
+    private ASPRule(final String text) {
+        this.text = text;
+    }
+
+    @Override
+    public String toString() {
+        return text;
+    }
+}

src/de/dhbwstuttgart/sat/asp/parser/ASPParser.java

@@ -0,0 +1,17 @@
+package de.dhbwstuttgart.sat.asp.parser;
+
+import de.dhbwstuttgart.typeinference.result.ResultPair;
+import de.dhbwstuttgart.typeinference.result.ResultSet;
+
+import java.util.HashSet;
+import java.util.Set;
+
+public class ASPParser {
+    ResultSet parse(String result){
+        Set<ResultPair> ret = new HashSet<>();
+        for(String pair : result.split(",")){
+
+        }
+        return new ResultSet(ret);
+    }
+}

src/de/dhbwstuttgart/sat/asp/parser/model/ParsedASPStatement.java

@@ -0,0 +1,7 @@
+package de.dhbwstuttgart.sat.asp.parser.model;
+
+public class ParsedASPStatement {
+    public ParsedASPStatement(String statement){
+
+    }
+}

src/de/dhbwstuttgart/sat/asp/writer/ASPGenerator.java

@@ -0,0 +1,111 @@
+package de.dhbwstuttgart.sat.asp.writer;
+
+import de.dhbwstuttgart.exceptions.NotImplementedException;
+import de.dhbwstuttgart.parser.scope.JavaClassName;
+import de.dhbwstuttgart.sat.asp.writer.model.*;
+import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
+import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
+import de.dhbwstuttgart.syntaxtree.factory.UnifyTypeFactory;
+import de.dhbwstuttgart.syntaxtree.type.*;
+import de.dhbwstuttgart.typeinference.constraints.Constraint;
+import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
+import de.dhbwstuttgart.typeinference.constraints.Pair;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+public class ASPGenerator {
+    ASPWriter writer = new ASPWriter();
+    private final String asp;
+
+    public ASPGenerator(ConstraintSet<Pair> constraints, Collection<ClassOrInterface> fcClasses){
+        List<Constraint<Pair>> constraints1 = constraints.cartesianProduct().iterator().next();
+        List<Pair> constraintPairs = new ArrayList<>();
+        for(Constraint<Pair> constraint : constraints1){
+            System.out.println(UnifyTypeFactory.convert(constraint));
+            constraintPairs.addAll(constraint);
+        }
+        asp = toASP(constraintPairs, fcClasses);
+    }
+
+    public String getASP(){
+        return asp;
+    }
+
+    private String toASP(List<Pair> constraintSet, Collection<ClassOrInterface> fcClasses){
+        TypeConverter converter = new TypeConverter();
+        for(ClassOrInterface cl : fcClasses){
+            ASPRefType superClass = (ASPRefType) cl.getSuperClass().acceptTV(converter);
+            ASPPairSmaller fcEntry = new ASPPairSmaller(new ASPFCType(convert(cl)), new ASPFCType(superClass), writer);
+            writer.add(new ASPStatement(fcEntry.toASP()));
+        }
+        for(Pair cons : constraintSet){
+            writer.add(new ASPStatement(convert(cons).toASP()));
+        }
+
+        return writer.getASPFile();
+    }
+
+    private ASPPair convert(Pair pair){
+        TypeConverter converter = new TypeConverter();
+        ASPType ls = pair.TA1.acceptTV(converter);
+        ASPType rs = pair.TA2.acceptTV(converter);
+        if(pair.OperatorEqual()){
+            return new ASPPairEquals(ls, rs,writer);
+        }else if(pair.OperatorSmallerDot()){
+            return new ASPPairSmallerDot(ls, rs, writer);
+        }else throw new NotImplementedException();
+    }
+
+    private ASPRefType convert(ClassOrInterface cl){
+        List<ASPType> paramList = new ArrayList<>();
+        for(GenericTypeVar gtv : cl.getGenerics()){
+            paramList.add(new ASPGenericType(toConstant(gtv.getName())));
+        }
+        ASPParameterList params = new ASPParameterList(paramList, writer);
+        return new ASPRefType(toConstant(cl.getClassName()), params);
+    }
+
+    public static String toConstant(JavaClassName name){
+        return toConstant(name.toString().replace(".", "_"));
+    }
+
+    public static String toConstant(String name){
+        return "c" + name.toString().replace(".", "_");
+    }
+
+    private class TypeConverter implements TypeVisitor<ASPType>{
+
+        @Override
+        public ASPType visit(RefType type) {
+            List<ASPType> paramList = new ArrayList<>();
+            for(RefTypeOrTPHOrWildcardOrGeneric gtv : type.getParaList()){
+                paramList.add(gtv.acceptTV(this));
+            }
+            ASPParameterList params = new ASPParameterList(paramList, writer);
+            return new ASPRefType(toConstant(type.getName()), params);
+        }
+
+        @Override
+        public ASPType visit(SuperWildcardType superWildcardType) {
+            throw new NotImplementedException();
+        }
+
+        @Override
+        public ASPType visit(TypePlaceholder typePlaceholder) {
+            return new ASPTypeVar(toConstant(typePlaceholder.getName()));
+        }
+
+        @Override
+        public ASPType visit(ExtendsWildcardType extendsWildcardType) {
+            throw new NotImplementedException();
+        }
+
+        @Override
+        public ASPType visit(GenericRefType genericRefType) {
+            return new ASPRefType(toConstant(genericRefType.getName()),
+                    new ASPParameterList(new ArrayList<>(), writer));
+        }
+    }
+}

src/de/dhbwstuttgart/sat/asp/writer/ASPWriter.java

@@ -0,0 +1,22 @@
+package de.dhbwstuttgart.sat.asp.writer;
+
+import de.dhbwstuttgart.sat.asp.writer.model.ASPStatement;
+
+import java.util.HashSet;
+
+public class ASPWriter {
+
+    private HashSet<ASPStatement> content = new HashSet<>();
+
+    public void add(ASPStatement stmt){
+        content.add(stmt);
+    }
+
+    public String getASPFile(){
+        String ret = "";
+        for(ASPStatement statement : content){
+            ret += statement.getASP() + ".\n";
+        }
+        return ret;
+    }
+}

src/de/dhbwstuttgart/sat/asp/writer/model/ASPFCType.java

@@ -0,0 +1,14 @@
+package de.dhbwstuttgart.sat.asp.writer.model;
+
+import de.dhbwstuttgart.sat.asp.model.ASPRule;
+import de.dhbwstuttgart.sat.asp.writer.ASPWriter;
+
+public class ASPFCType extends ASPRefType {
+    public ASPFCType(ASPRefType refType){
+        super(refType.name, refType.params);
+    }
+
+    public String toString(){
+        return ASPRule.ASP_FCTYPE + "(" + name +"," + params.name + ")";
+    }
+}

src/de/dhbwstuttgart/sat/asp/writer/model/ASPGenericType.java

@@ -0,0 +1,25 @@
+package de.dhbwstuttgart.sat.asp.writer.model;
+
+import de.dhbwstuttgart.sat.asp.model.ASPRule;
+
+public class ASPGenericType implements ASPType{
+    private final String name;
+
+    public ASPGenericType(String name){
+        this.name = name;
+    }
+
+    public String toString(){
+        return ASPRule.ASP_GENERIC_TYPE_NAME + "(" + name + ")";
+    }
+
+    @Override
+    public String toASP() {
+        return toString();
+    }
+
+    @Override
+    public String getPointer() {
+        return name;
+    }
+}

src/de/dhbwstuttgart/sat/asp/writer/model/ASPPair.java

@@ -0,0 +1,25 @@
+package de.dhbwstuttgart.sat.asp.writer.model;
+
+import de.dhbwstuttgart.sat.asp.writer.ASPWriter;
+
+public abstract class ASPPair {
+    public final ASPType leftSide;
+    public final ASPType rightSide;
+
+    public ASPPair(ASPType ls, ASPType rs, ASPWriter writer){
+        this.leftSide = ls;
+        this.rightSide = rs;
+        writer.add(new ASPStatement(ls.toASP()));
+        writer.add(new ASPStatement(rs.toASP()));
+    }
+
+    public String toASP(){
+        return this.getRuleName() + "(" + leftSide.getPointer() + ","+ rightSide.getPointer() + ")";
+    }
+
+    public String toString(){
+        return toASP();
+    }
+
+    protected abstract String getRuleName();
+}

src/de/dhbwstuttgart/sat/asp/writer/model/ASPPairEquals.java

@@ -0,0 +1,15 @@
+package de.dhbwstuttgart.sat.asp.writer.model;
+
+import de.dhbwstuttgart.sat.asp.model.ASPRule;
+import de.dhbwstuttgart.sat.asp.writer.ASPWriter;
+
+public class ASPPairEquals extends ASPPair{
+    public ASPPairEquals(ASPType ls, ASPType rs, ASPWriter writer){
+        super(ls, rs, writer);
+    }
+
+    @Override
+    protected String getRuleName() {
+        return ASPRule.ASP_PAIR_EQUALS_NAME.toString();
+    }
+}

src/de/dhbwstuttgart/sat/asp/writer/model/ASPPairSmaller.java

@@ -0,0 +1,17 @@
+package de.dhbwstuttgart.sat.asp.writer.model;
+
+import de.dhbwstuttgart.sat.asp.model.ASPRule;
+import de.dhbwstuttgart.sat.asp.writer.ASPWriter;
+
+import java.util.Map;
+
+public class ASPPairSmaller extends ASPPair{
+    public ASPPairSmaller(ASPFCType ls, ASPFCType rs, ASPWriter writer){
+        super(ls, rs, writer);
+    }
+
+    @Override
+    protected String getRuleName() {
+        return ASPRule.ASP_PAIR_SMALLER_NAME.toString();
+    }
+}

src/de/dhbwstuttgart/sat/asp/writer/model/ASPPairSmallerDot.java

@@ -0,0 +1,15 @@
+package de.dhbwstuttgart.sat.asp.writer.model;
+
+import de.dhbwstuttgart.sat.asp.model.ASPRule;
+import de.dhbwstuttgart.sat.asp.writer.ASPWriter;
+
+public class ASPPairSmallerDot extends ASPPair{
+    public ASPPairSmallerDot(ASPType ls, ASPType rs, ASPWriter writer){
+        super(ls, rs, writer);
+    }
+
+    @Override
+    protected String getRuleName() {
+        return ASPRule.ASP_PAIR_SMALLER_DOT_NAME.toString();
+    }
+}

src/de/dhbwstuttgart/sat/asp/writer/model/ASPParameterList.java

@@ -0,0 +1,45 @@
+package de.dhbwstuttgart.sat.asp.writer.model;
+
+import de.dhbwstuttgart.sat.asp.model.ASPRule;
+import de.dhbwstuttgart.sat.asp.writer.ASPGenerator;
+import de.dhbwstuttgart.sat.asp.writer.ASPWriter;
+import de.dhbwstuttgart.syntaxtree.factory.NameGenerator;
+
+import java.util.Iterator;
+import java.util.List;
+
+public class ASPParameterList {
+    public final String name;
+    private final List<ASPType> types;
+
+    public ASPParameterList(List<ASPType> types, ASPWriter writer){
+        int paramNum = 0;
+        this.types = types;
+        if(types.size() == 0){
+            name = ASPRule.ASP_PARAMLIST_END_POINTER.toString();
+        }else{
+            name = newName();
+            String nextPointer = name;
+            Iterator<ASPType> it = types.iterator();
+            while(it.hasNext()){
+                ASPType t = it.next();
+                String param = nextPointer + "," + t.toString() + ",";
+                nextPointer = newName();
+                if(! it.hasNext())nextPointer = ASPRule.ASP_PARAMLIST_END_POINTER.toString();
+                param += nextPointer;
+                writer.add(new ASPStatement(ASPRule.ASP_PARAMLIST_NAME + "(" + param + ")"));
+                writer.add(new ASPStatement(ASPRule.ASP_PARAMLISTNUMERATION_NAME + "(" + name + "," +t + "," + paramNum + ")"));
+                paramNum++;
+                //paramDefinitions.add(new ASPStatement(ASP_PARAMLIST_NAME + "(" + param + ")"));
+            }
+        }
+    }
+
+    private String newName() {
+        return ASPGenerator.toConstant(NameGenerator.makeNewName());
+    }
+
+    public String toString(){
+        return name;
+    }
+}

src/de/dhbwstuttgart/sat/asp/writer/model/ASPRefType.java

@@ -0,0 +1,31 @@
+package de.dhbwstuttgart.sat.asp.writer.model;
+
+import de.dhbwstuttgart.sat.asp.model.ASPRule;
+
+public class ASPRefType implements ASPType {
+    protected final ASPParameterList params;
+    protected final String name;
+
+    public ASPRefType(String name, ASPParameterList params){
+        this.name = name;
+        this.params = params;
+    }
+
+    public ASPParameterList getParams() {
+        return params;
+    }
+
+    public String toString(){
+        return ASPRule.ASP_TYPE + "(" + name +"," + params.name + ")";
+    }
+
+    @Override
+    public String toASP() {
+        return toString();
+    }
+
+    @Override
+    public String getPointer() {
+        return name;
+    }
+}

src/de/dhbwstuttgart/sat/asp/writer/model/ASPStatement.java

@@ -0,0 +1,27 @@
+package de.dhbwstuttgart.sat.asp.writer.model;
+
+public class ASPStatement {
+    private final String stmt;
+    public ASPStatement(String stmt) {
+        this.stmt = stmt;
+    }
+
+    public String toString(){
+        return stmt;
+    }
+
+    @Override
+    public int hashCode() {
+        return stmt.hashCode();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if(obj instanceof ASPStatement)return stmt.equals(((ASPStatement) obj).stmt);
+        return false;
+    }
+
+    public String getASP() {
+        return stmt;
+    }
+}

src/de/dhbwstuttgart/sat/asp/writer/model/ASPType.java

@@ -0,0 +1,7 @@
+package de.dhbwstuttgart.sat.asp.writer.model;
+
+public interface ASPType {
+    String toASP();
+
+    String getPointer();
+}

src/de/dhbwstuttgart/sat/asp/writer/model/ASPTypeVar.java

@@ -0,0 +1,24 @@
+package de.dhbwstuttgart.sat.asp.writer.model;
+
+public class ASPTypeVar implements ASPType{
+    private final String name;
+
+    public ASPTypeVar(String name){
+        this.name = name;
+    }
+
+    @Override
+    public String toString() {
+        return "typeVar("+ name +")";
+    }
+
+    @Override
+    public String toASP() {
+        return toString();
+    }
+
+    @Override
+    public String getPointer() {
+        return name;
+    }
+}

src/de/dhbwstuttgart/syntaxtree/ASTVisitor.java

@@ -1,10 +1,6 @@
 package de.dhbwstuttgart.syntaxtree;
 
-import de.dhbwstuttgart.syntaxtree.statement.*;
-import de.dhbwstuttgart.syntaxtree.statement.literal.Literal;
-import de.dhbwstuttgart.syntaxtree.statement.literal.Null;
 import de.dhbwstuttgart.syntaxtree.type.*;
-import de.dhbwstuttgart.typeinference.constraints.Constraint;
 
 public interface ASTVisitor extends StatementVisitor{
 

src/de/dhbwstuttgart/syntaxtree/AbstractASTWalker.java

@@ -1,13 +1,10 @@
 package de.dhbwstuttgart.syntaxtree;
 
-import de.dhbwstuttgart.exceptions.NotImplementedException;
 import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
 import de.dhbwstuttgart.syntaxtree.statement.*;
-import de.dhbwstuttgart.syntaxtree.statement.literal.Literal;
-import de.dhbwstuttgart.syntaxtree.statement.literal.Null;
+import de.dhbwstuttgart.syntaxtree.statement.Literal;
 import de.dhbwstuttgart.syntaxtree.type.*;
 
-import java.lang.reflect.Modifier;
 import java.util.Iterator;
 
 public abstract class AbstractASTWalker implements ASTVisitor{
@@ -37,7 +34,7 @@ public abstract class AbstractASTWalker implements ASTVisitor{
 
     @Override
     public void visit(FormalParameter formalParameter) {
-        formalParameter.getType().accept(this);
+        formalParameter.getType().accept((ASTVisitor) this);
     }
 
     @Override
@@ -61,7 +58,7 @@ public abstract class AbstractASTWalker implements ASTVisitor{
     }
 
     private void visitMethod(Method method){
-        method.getType().accept(this);
+        method.getReturnType().accept(this);
         method.getParameterList().accept(this);
         if(method.block != null)
             method.block.accept(this);
@@ -105,7 +102,6 @@ public abstract class AbstractASTWalker implements ASTVisitor{
 
     @Override
     public void visit(TypePlaceholder typePlaceholder) {
-
     }
 
     @Override
@@ -115,7 +111,6 @@ public abstract class AbstractASTWalker implements ASTVisitor{
 
     @Override
     public void visit(GenericRefType genericRefType) {
-
     }
 
     @Override
@@ -131,7 +126,7 @@ public abstract class AbstractASTWalker implements ASTVisitor{
     }
 
     @Override
-    public void visit(Binary binary) {
+    public void visit(BinaryExpr binary) {
 
     }
 
@@ -159,12 +154,13 @@ public abstract class AbstractASTWalker implements ASTVisitor{
 
     @Override
     public void visit(ForStmt forStmt) {
-
+        forStmt.body_Loop_block.accept(this);
     }
 
     @Override
     public void visit(IfStmt ifStmt) {
-
+        ifStmt.then_block.accept(this);
+        ifStmt.else_block.accept(this);
     }
 
     @Override
@@ -200,10 +196,15 @@ public abstract class AbstractASTWalker implements ASTVisitor{
     }
 
     @Override
-    public void visit(Receiver receiver) {
+    public void visit(ExpressionReceiver receiver) {
         receiver.expr.accept(this);
     }
 
+    @Override
+    public void visit(UnaryExpr unaryExpr) {
+        unaryExpr.expr.accept(this);
+    }
+
     @Override
     public void visit(Return aReturn) {
         aReturn.retexpr.accept(this);
@@ -229,24 +230,14 @@ public abstract class AbstractASTWalker implements ASTVisitor{
 
     }
 
-    @Override
-    public void visit(UnaryPlus unaryPlus) {
-
-    }
-
     @Override
     public void visit(WhileStmt whileStmt) {
-
+        whileStmt.loopBlock.accept(this);
     }
 
     @Override
     public void visit(DoStmt whileStmt) {
-
-    }
-
-    @Override
-    public void visit(Null aNull) {
-
+        whileStmt.loopBlock.accept(this);
     }
 
     @Override

src/de/dhbwstuttgart/syntaxtree/ClassOrInterface.java

@@ -60,10 +60,12 @@ public class ClassOrInterface extends SyntaxTreeNode implements TypeScope{
     return this.methods;
   }
 
+  /*
   public RefType getType() {
     return generateTypeOfClass(this.getClassName(), this.getGenerics(), this.getOffset());
   }
-
+  */
+  //TODO: Das hier ist ein Problem. Je nach Kontext wird hier ein anderer Typ benötigt
   public static RefType generateTypeOfClass(JavaClassName name, GenericDeclarationList genericsOfClass ,Token offset){
     //Hier wird immer ein generischer Typ generiert, also mit Type placeholdern
     List<RefTypeOrTPHOrWildcardOrGeneric> params = new ArrayList<>();
@@ -74,6 +76,10 @@ public class ClassOrInterface extends SyntaxTreeNode implements TypeScope{
     return new RefType(name, params, offset);
   }
 
+  /**
+   * Die Superklasse im Kontext dieser ClassOrInterface
+   * Das bedeutet, dass generische Variablen als GenericRefTypes dargestellt sind
+     */
   public RefType getSuperClass() {
     return superClass;
   }

src/de/dhbwstuttgart/syntaxtree/Constructor.java

@@ -14,9 +14,9 @@ public class Constructor extends Method {
 
 
 	//TODO: Constructor braucht ein super-Statement
-	public Constructor(int modifier, String name, RefTypeOrTPHOrWildcardOrGeneric returnType, int modifiers, ParameterList parameterList, Block codeInsideConstructor,
-					   GenericDeclarationList gtvDeclarations, Token offset, List<Statement> fieldInitializations, RefType superClass) {
-		super(modifier, name, returnType, modifiers, parameterList, prepareBlock(codeInsideConstructor,fieldInitializations, superClass), gtvDeclarations, offset);
+	public Constructor(int modifier, String name, RefTypeOrTPHOrWildcardOrGeneric returnType, ParameterList parameterList, Block codeInsideConstructor,
+					   GenericDeclarationList gtvDeclarations, Token offset, List<Statement> fieldInitializations) {
+		super(modifier, name, returnType, parameterList, prepareBlock(codeInsideConstructor,fieldInitializations), gtvDeclarations, offset);
 
 	}
 
@@ -25,7 +25,7 @@ public class Constructor extends Method {
 	 *                                welche die Felder der zugehörigen Klasse dieses
 	 *                                Konstruktor initialisieren
 	 */
-	protected static Block prepareBlock(Block constructorBlock, List<Statement> fieldInitializations, RefType superClass){
+	protected static Block prepareBlock(Block constructorBlock, List<Statement> fieldInitializations){
 		List<Statement> statements = constructorBlock.getStatements();
 		statements.add(0, new SuperCall(constructorBlock.getOffset()));
 		return new Block(statements, constructorBlock.getOffset());

src/de/dhbwstuttgart/syntaxtree/Field.java

@@ -6,7 +6,8 @@ import org.antlr.v4.runtime.Token;
 import java.util.ArrayList;
 
 public class Field extends SyntaxTreeNode implements TypeScope{
-	
+
+	public final int modifier;
 	private String name;
 	private RefTypeOrTPHOrWildcardOrGeneric type;
     
@@ -14,6 +15,7 @@ public class Field extends SyntaxTreeNode implements TypeScope{
 		super(offset);
 		this.name = name;
 		this.type = type;
+		this.modifier = modifier;
 	}
 
   	public String getName(){

src/de/dhbwstuttgart/syntaxtree/GenericTypeVar.java

@@ -1,6 +1,7 @@
 package de.dhbwstuttgart.syntaxtree;
 
 import de.dhbwstuttgart.parser.scope.GenericTypeName;
+import de.dhbwstuttgart.parser.scope.JavaClassName;
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
 
 import org.antlr.v4.runtime.Token;
@@ -53,6 +54,14 @@ public class GenericTypeVar extends SyntaxTreeNode
         return name;
     }
 
+    public String getParsedName(){
+        return name.toString();
+    }
+
+    public JavaClassName definingClass(){
+        return name.getParentClass();
+    }
+
     @Override
     public void accept(ASTVisitor visitor) {
         visitor.visit(this);

src/de/dhbwstuttgart/syntaxtree/Method.java

@@ -22,16 +22,22 @@ import de.dhbwstuttgart.syntaxtree.statement.Block;
  * @author janulrich
  *
  */
-public class Method extends Field implements IItemWithOffset
+public class Method extends SyntaxTreeNode implements IItemWithOffset, TypeScope
 {
 	public final Block block;
+	public final int modifier;
+	public final String name;
 	private ParameterList parameterlist = new ParameterList(new ArrayList<>(), new NullToken());
 	private ExceptionList exceptionlist;
 	private GenericDeclarationList generics;
+	private final RefTypeOrTPHOrWildcardOrGeneric returnType;
 
-	public Method(int modifier, String name, RefTypeOrTPHOrWildcardOrGeneric returnType, int modifiers, ParameterList parameterList, Block block,
+	public Method(int modifier, String name, RefTypeOrTPHOrWildcardOrGeneric returnType, ParameterList parameterList, Block block,
 				  GenericDeclarationList gtvDeclarations, Token offset) {
-		super(name, returnType, modifiers, offset);
+		super(offset);
+		this.name = name;
+		this.modifier = modifier;
+		this.returnType = returnType;
 		this.parameterlist = parameterList;
 		this.block = block;
 		this.generics = gtvDeclarations;
@@ -47,11 +53,20 @@ public class Method extends Field implements IItemWithOffset
 
 	@Override
 	public RefTypeOrTPHOrWildcardOrGeneric getReturnType() {
-		return this.getType();
+		return this.returnType;
 	}
 
 	@Override
 	public void accept(ASTVisitor visitor) {
 		visitor.visit(this);
 	}
+
+	@Override
+	public Token getOffset() {
+		return null;
+	}
+
+	public String getName() {
+		return name;
+	}
 }

src/de/dhbwstuttgart/syntaxtree/SourceFile.java

@@ -13,13 +13,13 @@ public class SourceFile extends SyntaxTreeNode{
   private String pkgName;
 
   public final List<ClassOrInterface> KlassenVektor;
-  public final List<JavaClassName> imports;
+  public final Set<JavaClassName> imports;
 
   /**
      * Die SourceFile repräsntiert eine zu einem Syntaxbaum eingelesene Java-Datei.
      * SourceFile stellt dabei den Wurzelknoten des Syntaxbaumes dar.
      */
-  public SourceFile(String pkgName, List<ClassOrInterface> classDefinitions, List<JavaClassName> imports){
+  public SourceFile(String pkgName, List<ClassOrInterface> classDefinitions, Set<JavaClassName> imports){
     super(new NullToken());
     this.KlassenVektor = classDefinitions;
     this.pkgName = pkgName;
@@ -31,7 +31,7 @@ public class SourceFile extends SyntaxTreeNode{
   }
 
   // Get imports (to test implementation)
-  public List<JavaClassName> getImports(){
+  public Set<JavaClassName> getImports(){
     return this.imports;
   }
 

src/de/dhbwstuttgart/syntaxtree/StatementVisitor.java

@@ -2,9 +2,6 @@ package de.dhbwstuttgart.syntaxtree;
 
 import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
 import de.dhbwstuttgart.syntaxtree.statement.*;
-import de.dhbwstuttgart.syntaxtree.statement.literal.Literal;
-import de.dhbwstuttgart.syntaxtree.statement.literal.Null;
-import de.dhbwstuttgart.syntaxtree.statement.literal.StringLiteral;
 
 public interface StatementVisitor {
 
@@ -14,7 +11,7 @@ public interface StatementVisitor {
 
     void visit(Assign assign);
 
-    void visit(Binary binary);
+    void visit(BinaryExpr binary);
 
     void visit(Block block);
 
@@ -40,8 +37,6 @@ public interface StatementVisitor {
 
     void visit(NewArray newArray);
 
-    void visit(Receiver receiver);
-
     void visit(Return aReturn);
 
     void visit(ReturnVoid aReturn);
@@ -52,19 +47,19 @@ public interface StatementVisitor {
 
     void visit(This aThis);
 
-    void visit(UnaryPlus unaryPlus);
-
     void visit(WhileStmt whileStmt);
 
     void visit(DoStmt whileStmt);
 
-    void visit(Null aNull);
-
-    void visit(Literal literal);
-
     void visit(AssignToField assignLeftSide);
 
     void visit(AssignToLocal assignLeftSide);
 
     void visit(SuperCall superCall);
+
+    void visit(ExpressionReceiver expressionReceiver);
+
+    void visit(UnaryExpr unaryExpr);
+
+    void visit(Literal literal);
 }

src/de/dhbwstuttgart/syntaxtree/TypeScope.java

@@ -2,6 +2,8 @@ package de.dhbwstuttgart.syntaxtree;
 
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
 
+import java.util.Collection;
+
 
 public interface TypeScope {
     Iterable<? extends GenericTypeVar> getGenerics();

src/de/dhbwstuttgart/syntaxtree/factory/ASTFactory.java

@@ -5,6 +5,7 @@ import java.lang.reflect.Constructor;
 import java.util.ArrayList;
 import java.util.List;
 
+import de.dhbwstuttgart.exceptions.NotImplementedException;
 import de.dhbwstuttgart.parser.NullToken;
 import de.dhbwstuttgart.parser.SyntaxTreeGenerator.GenericContext;
 import de.dhbwstuttgart.parser.scope.GenericTypeName;
@@ -45,7 +46,11 @@ public class ASTFactory {
 		java.lang.Class superjreClass = jreClass.getSuperclass();
 		RefType superClass;
 		if(superjreClass != null){
-			superClass = (RefType) createType(superjreClass, name, "");
+			List<RefTypeOrTPHOrWildcardOrGeneric> params = new ArrayList<>();
+			for(TypeVariable tv : superjreClass.getTypeParameters()){
+				params.add(new GenericRefType(new GenericTypeName(new GenericContext( name, null),tv.getName()), new NullToken()));
+			}
+			superClass = new RefType(new JavaClassName(superjreClass.getName()), params, new NullToken());
 		}else{//Jede Klasse und jedes Interface erbt von Object: (auch Object selbst!)
 			superClass = (RefType) createType(java.lang.Object.class, name, "");
 		}
@@ -83,13 +88,12 @@ public class ASTFactory {
 			return null;
 		}
 
-		return new de.dhbwstuttgart.syntaxtree.Constructor(constructor.getModifiers(), name,returnType, modifier, parameterList, block, gtvDeclarations, offset, new ArrayList<>(),
-				createType(inClass.getSuperclass()));
+		return new de.dhbwstuttgart.syntaxtree.Constructor(modifier, name,returnType, parameterList, block, gtvDeclarations, offset, new ArrayList<>());
     }
 
-	private static RefType createType(Class classType) {
-		return createClass(classType).getType();
-	}
+	//private static RefType createType(Class classType) {
+	//	return createClass(classType).getType();
+	//}
 
 	public static Method createMethod(java.lang.reflect.Method jreMethod, java.lang.Class inClass){
 		String name = jreMethod.getName();
@@ -105,9 +109,8 @@ public class ASTFactory {
 		Block block = new Block(new ArrayList<Statement>(), new NullToken());
         GenericDeclarationList gtvDeclarations = createGenerics(jreMethod.getTypeParameters(), inClass, jreMethod.getName());
 		Token offset = new NullToken();
-		int modifier = jreMethod.getModifiers();
 
-		return new Method(jreMethod.getModifiers(), name,returnType, modifier, parameterList, block, gtvDeclarations, offset);
+		return new Method(jreMethod.getModifiers(), name,returnType, parameterList, block, gtvDeclarations, offset);
 	}
 
 	public static GenericDeclarationList createGenerics(TypeVariable[] typeParameters, Class context, String methodName){
@@ -130,7 +133,7 @@ public class ASTFactory {
 	}
 	*/
 
-	public static RefTypeOrTPHOrWildcardOrGeneric createType(java.lang.reflect.Type type, JavaClassName parentClass, String parentMethod){
+	private static RefTypeOrTPHOrWildcardOrGeneric createType(java.lang.reflect.Type type, JavaClassName parentClass, String parentMethod){
 		if(type.getTypeName().equals("void")){
 			return new Void(new NullToken());
 		}else if(type.getTypeName().equals("int")){
@@ -182,6 +185,9 @@ public class ASTFactory {
 	public static ClassOrInterface createObjectClass() {
 		return createClass(Object.class);
 	}
+	public static RefType createObjectType() {
+		return new RefType(createClass(Object.class).getClassName(), new NullToken());
+	}
 
 	/*
 	public Constructor createEmptyConstructor(Class parent){

src/de/dhbwstuttgart/syntaxtree/factory/UnifyTypeFactory.java

@@ -6,37 +6,36 @@ import java.util.stream.Collectors;
 import de.dhbwstuttgart.exceptions.DebugException;
 import de.dhbwstuttgart.exceptions.NotImplementedException;
 import de.dhbwstuttgart.parser.NullToken;
+import de.dhbwstuttgart.parser.SyntaxTreeGenerator.FCGenerator;
 import de.dhbwstuttgart.parser.scope.JavaClassName;
 import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
+import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
 import de.dhbwstuttgart.syntaxtree.type.*;
 import de.dhbwstuttgart.syntaxtree.type.Void;
+import de.dhbwstuttgart.syntaxtree.type.WildcardType;
+import de.dhbwstuttgart.typeinference.constraints.Constraint;
 import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
 import de.dhbwstuttgart.typeinference.constraints.Pair;
-import de.dhbwstuttgart.typeinference.result.PairTPHequalRefType;
+import de.dhbwstuttgart.typeinference.result.PairTPHEqualTPH;
+import de.dhbwstuttgart.typeinference.result.PairTPHequalRefTypeOrWildcardType;
 import de.dhbwstuttgart.typeinference.result.PairTPHsmallerTPH;
 import de.dhbwstuttgart.typeinference.result.ResultPair;
-import de.dhbwstuttgart.typeinference.unify.model.ExtendsType;
-import de.dhbwstuttgart.typeinference.unify.model.FiniteClosure;
-import de.dhbwstuttgart.typeinference.unify.model.FunNType;
-import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
-import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
-import de.dhbwstuttgart.typeinference.unify.model.PlaceholderType;
-import de.dhbwstuttgart.typeinference.unify.model.ReferenceType;
-import de.dhbwstuttgart.typeinference.unify.model.SuperType;
-import de.dhbwstuttgart.typeinference.unify.model.TypeParams;
-import de.dhbwstuttgart.typeinference.unify.model.UnifyType;
-
+import de.dhbwstuttgart.typeinference.unify.model.*;
 
 public class UnifyTypeFactory {
 
-    public static FiniteClosure generateFC(List<ClassOrInterface> fromAvailableClasses){
-        HashSet<UnifyPair> pairs = new HashSet<>();
-        for(ClassOrInterface cl : fromAvailableClasses){
-            UnifyType t1 = UnifyTypeFactory.convert(cl.getType());
-            UnifyType t2 = UnifyTypeFactory.convert(cl.getSuperClass());
-            pairs.add(generateSmallerPair(t1, t2));
-        }
-        return new FiniteClosure(pairs);
+    public static FiniteClosure generateFC(List<ClassOrInterface> fromClasses) throws ClassNotFoundException {
+        /*
+        Die transitive Hülle muss funktionieren.
+        Man darf schreiben List<A> extends AL<A>
+        und Vector<B> extends List<B>
+        hier muss dann aber dennoch die Vererbung V < L < AL
+        hergestellt werden.
+        In einem solchen Vererbungsbaum dürfen die TPH auch die gleichen Namen haben.
+        Generell dürfen sie immer die gleichen Namen haben.
+        TODO: die transitive Hülle bilden
+         */
+        return new FiniteClosure(FCGenerator.toFC(fromClasses));
     }
 
     public static UnifyPair generateSmallerPair(UnifyType tl, UnifyType tr){
@@ -105,7 +104,7 @@ public class UnifyTypeFactory {
     }
 
     public static UnifyType convert(GenericRefType t){
-        return new ReferenceType(t.getUniqueIdentifier());
+        return new ReferenceType(t.getParsedName());
     }
 
     public static UnifyType convert(WildcardType t){
@@ -121,6 +120,10 @@ public class UnifyTypeFactory {
         return constraints.map(UnifyTypeFactory::convert);
     }
 
+    public static Constraint<UnifyPair> convert(Constraint<Pair> constraint){
+        return constraint.stream().map(UnifyTypeFactory::convert).collect(Collectors.toCollection(Constraint::new));
+    }
+
     public static UnifyPair convert(Pair p) {
         if(p.GetOperator().equals(PairOperator.SMALLERDOT)) {
             UnifyPair ret = generateSmallerDotPair(UnifyTypeFactory.convert(p.TA1)
@@ -148,12 +151,19 @@ public class UnifyTypeFactory {
         RefTypeOrTPHOrWildcardOrGeneric tr = UnifyTypeFactory.convert(mp.getRhsType(), tphs);
         if(tl instanceof TypePlaceholder){
             if(tr instanceof TypePlaceholder) {
-                if(mp.getPairOp().equals(PairOperator.EQUALSDOT))
-                    throw new DebugException("TPH =. TPH ist ein ungültiges Ergebnis");
-                else
+
+                if(mp.getPairOp().equals(PairOperator.EQUALSDOT)) {
+                    return new PairTPHEqualTPH((TypePlaceholder)tl, (TypePlaceholder)tr);
+                    //Einfach ignorieren TODO: Das hier muss ausgebessert werden:
+                    //return new PairTPHequalRefTypeOrWildcardType((TypePlaceholder)tl, ASTFactory.createObjectType());
+                }else{
                     return new PairTPHsmallerTPH((TypePlaceholder)tl, (TypePlaceholder)tr);
-            }
-            return new PairTPHequalRefType((TypePlaceholder)tl, (RefType) tr);
+                }
+            }else if(tr instanceof RefType){
+                return new PairTPHequalRefTypeOrWildcardType((TypePlaceholder)tl, (RefType) tr);
+            }else if(tr instanceof WildcardType){
+                return new PairTPHequalRefTypeOrWildcardType((TypePlaceholder)tl, (WildcardType) tr);
+            }else throw new NotImplementedException();
         }else throw new NotImplementedException();
     }
 

src/de/dhbwstuttgart/syntaxtree/statement/Assign.java

@@ -4,7 +4,6 @@ package de.dhbwstuttgart.syntaxtree.statement;
 import de.dhbwstuttgart.syntaxtree.StatementVisitor;
 import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceBlockInformation;
 import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
-import de.dhbwstuttgart.typeinference.constraints.ConstraintsFactory;
 import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
 import org.antlr.v4.runtime.Token;
 

src/de/dhbwstuttgart/syntaxtree/statement/Binary.java

@@ -1,27 +0,0 @@
-package de.dhbwstuttgart.syntaxtree.statement;
-
-import de.dhbwstuttgart.exceptions.NotImplementedException;
-import de.dhbwstuttgart.syntaxtree.StatementVisitor;
-import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceBlockInformation;
-import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
-import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceInformation;
-
-
-// neu von Felix
-public class Binary extends Expression
-{
-    public enum Operator{
-        ADD,
-        SUB,
-        MUL,
-        AND, OR, DIV
-    }
-    public Binary(Expression expr1, Expression expr2, Operator op){
-        super(null, null);
-    }
-
-    @Override
-    public void accept(StatementVisitor visitor) {
-        visitor.visit(this);
-    }
-}

src/de/dhbwstuttgart/syntaxtree/statement/BinaryExpr.java

@@ -1,14 +1,41 @@
 package de.dhbwstuttgart.syntaxtree.statement;
 
 
+import de.dhbwstuttgart.syntaxtree.StatementVisitor;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
 import org.antlr.v4.runtime.Token;
 
-public abstract class BinaryExpr extends Expression
+public class BinaryExpr extends Expression
 {
+    @Override
+    public void accept(StatementVisitor visitor) {
+        visitor.visit(this);
+    }
 
-    public BinaryExpr(Token offset)
+    public enum Operator{
+        ADD,
+        SUB,
+        MUL,
+        AND,
+        OR,
+        DIV,
+        LESSTHAN,
+        BIGGERTHAN,
+        LESSEQUAL,
+        BIGGEREQUAL
+    }
+
+    public final Operator operation;
+    public final Expression lexpr;
+    public final Expression rexpr;
+
+    public BinaryExpr(Operator operation, RefTypeOrTPHOrWildcardOrGeneric type, Expression lexpr, Expression rexpr, Token offset)
     {
-        super(null,null);
+        super(type,offset);
+
+        this.operation = operation;
+        this.lexpr = lexpr;
+        this.rexpr = rexpr;
     }
 
 }

src/de/dhbwstuttgart/syntaxtree/statement/ExpressionReceiver.java

@@ -1,21 +1,21 @@
-package de.dhbwstuttgart.syntaxtree.statement.literal;
+package de.dhbwstuttgart.syntaxtree.statement;
 
 import de.dhbwstuttgart.syntaxtree.StatementVisitor;
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
 import org.antlr.v4.runtime.Token;
 
-
-public class Null extends Literal
+public class ExpressionReceiver extends Receiver
 {
+    public final Expression expr;
 
-    public Null(RefTypeOrTPHOrWildcardOrGeneric type, Token offset)
+    public ExpressionReceiver(Expression expr)
     {
-        super(type,offset);
+        super(expr.getType(), expr.getOffset());
+        this.expr = expr;
     }
 
     @Override
     public void accept(StatementVisitor visitor) {
         visitor.visit(this);
     }
-
 }

src/de/dhbwstuttgart/syntaxtree/statement/FieldVar.java

@@ -7,7 +7,6 @@ import de.dhbwstuttgart.typeinference.assumptions.FieldAssumption;
 import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceBlockInformation;
 import de.dhbwstuttgart.typeinference.constraints.Constraint;
 import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
-import de.dhbwstuttgart.typeinference.constraints.ConstraintsFactory;
 import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
 import org.antlr.v4.runtime.Token;
 

src/de/dhbwstuttgart/syntaxtree/statement/IfStmt.java

@@ -11,11 +11,11 @@ import org.antlr.v4.runtime.Token;
 public class IfStmt extends Statement
 {
     public final Expression expr;
-    public final Block then_block;
-    public final Block else_block;
+    public final Statement then_block;
+    public final Statement else_block;
 
     public IfStmt(RefTypeOrTPHOrWildcardOrGeneric type,
-                  Expression expr, Block thenBlock, Block elseBlock, Token offset)
+                  Expression expr, Statement thenBlock, Statement elseBlock, Token offset)
     {
         super(type,offset);
         this.expr = expr;

src/de/dhbwstuttgart/syntaxtree/statement/InstanceOf.java

@@ -3,8 +3,6 @@ package de.dhbwstuttgart.syntaxtree.statement;
 import de.dhbwstuttgart.exceptions.NotImplementedException;
 import de.dhbwstuttgart.syntaxtree.StatementVisitor;
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
-import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceBlockInformation;
-import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
 
 
 public class InstanceOf extends BinaryExpr
@@ -14,7 +12,8 @@ public class InstanceOf extends BinaryExpr
     
     public InstanceOf(int offset,int variableLength)
     {
-        super(null);
+        super(null, null, null, null, null);
+        throw new NotImplementedException();
         // #JB# 20.04.2005
     }
 

src/de/dhbwstuttgart/syntaxtree/statement/JavaInternalExpression.java

@@ -0,0 +1,12 @@
+package de.dhbwstuttgart.syntaxtree.statement;
+
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import org.antlr.v4.runtime.Token;
+
+import java.nio.charset.StandardCharsets;
+
+public abstract class JavaInternalExpression extends Statement{
+    public JavaInternalExpression(RefTypeOrTPHOrWildcardOrGeneric retType, Token offset){
+        super(retType, offset);
+    }
+}

src/de/dhbwstuttgart/syntaxtree/statement/Literal.java

@@ -0,0 +1,24 @@
+package de.dhbwstuttgart.syntaxtree.statement;
+
+
+import de.dhbwstuttgart.syntaxtree.StatementVisitor;
+import de.dhbwstuttgart.syntaxtree.statement.Expression;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceBlockInformation;
+import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
+import org.antlr.v4.runtime.Token;
+
+public class Literal extends Expression
+{
+    public final Object value;
+
+    public Literal(RefTypeOrTPHOrWildcardOrGeneric type, Object value, Token offset) {
+        super(type, offset);
+        this.value = value;
+    }
+
+    @Override
+    public void accept(StatementVisitor visitor) {
+        visitor.visit(this);
+    }
+}