modified: ../src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java

ckeckA druch checkNoContradiction ersetzt

.gitignore

@@ -19,4 +19,13 @@ bin
 .DS_Store
 .project
 .settings/
+/target/
 
+#
+manually/
+
+logFiles/**
+!logFiles/.gitkeep
+
+src/main/java/de/dhbwstuttgart/parser/antlr/
+src/main/java/de/dhbwstuttgart/sat/asp/parser/antlr/

doc/Generics/generics.tex

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

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

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+<li><a href="../../../../de/dhbwstuttgart/syntaxtree/statement/Literal.html" title="class in de.dhbwstuttgart.syntaxtree.statement">de.dhbwstuttgart.syntaxtree.statement.Literal</a></li>
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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/PositivExpr.html

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+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <sourceConnections xsi:type="editmodel:GeneralizationEditModel" targetConnections="//@children.2/@sourceConnections.0 //@children.1/@sourceConnections.0 //@children.3/@sourceConnections.0 //@children.17/@sourceConnections.0 //@children.8/@sourceConnections.0" connectionRouterKind="GeneralizationManhattan" source="//@children.11" target="//@children.0" targetEnd="//@children.11/@sourceConnections.0/@children.1" sourceEnd="//@children.11/@sourceConnections.0/@children.0">
+      <children xsi:type="editmodel:AssociationEndEditModel" location="201,0" anchorKind="FixedAtEdge" attachSource="true"/>
+      <children xsi:type="editmodel:AssociationEndEditModel" location="185,67" anchorKind="FixedAtEdge"/>
+    </sourceConnections>
+    <classifierPreferences xsi:type="editmodel:UMLClassDiagramClassifierPreference" showStereotype="true" showMethodsParameterTypes="true" showMethodsReturnType="true" attributeSorter="Visibility" methodSorter="Visibility" innerClassSorter="Visibility" showPublicAttributes="true" showPackageAttributes="true" showPublicMethods="true" showPackageMethods="true" showPublicInnerClasses="true" showPackageInnerClasses="true"/>
+  </children>
+  <children xsi:type="editmodel:ClassEditModel" location="1636,372" size="403,67" id="kirschmshsCompiler803" runTimeClassModel="kirschmshsCompiler804">
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <children xsi:type="editmodel:CompartmentEditModel" size="380,18">
+      <children xsi:type="editmodel:MethodEditModel" id="kirschmshsCompiler804"/>
+    </children>
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <sourceConnections xsi:type="editmodel:GeneralizationEditModel" targetConnections="//@children.7/@sourceConnections.0 //@children.10/@sourceConnections.0" connectionRouterKind="GeneralizationManhattan" source="//@children.12" target="//@children.14" targetEnd="//@children.12/@sourceConnections.0/@children.1" sourceEnd="//@children.12/@sourceConnections.0/@children.0">
+      <children xsi:type="editmodel:AssociationEndEditModel" location="201,0" anchorKind="FixedAtEdge" attachSource="true"/>
+      <children xsi:type="editmodel:AssociationEndEditModel" location="42,29" anchorKind="FixedAtEdge"/>
+    </sourceConnections>
+    <classifierPreferences xsi:type="editmodel:UMLClassDiagramClassifierPreference" showStereotype="true" showMethodsParameterTypes="true" showMethodsReturnType="true" attributeSorter="Visibility" methodSorter="Visibility" innerClassSorter="Visibility" showPublicAttributes="true" showPackageAttributes="true" showPublicMethods="true" showPackageMethods="true" showPublicInnerClasses="true" showPackageInnerClasses="true"/>
+  </children>
+  <children xsi:type="editmodel:ClassEditModel" location="2715,508" size="403,67" id="kirschmshsCompiler692" runTimeClassModel="kirschmshsCompiler693">
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <children xsi:type="editmodel:CompartmentEditModel" size="380,18">
+      <children xsi:type="editmodel:MethodEditModel" id="kirschmshsCompiler693"/>
+    </children>
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <sourceConnections xsi:type="editmodel:GeneralizationEditModel" targetConnections="//@children.4/@sourceConnections.0" connectionRouterKind="GeneralizationManhattan" source="//@children.13" target="//@children.9" targetEnd="//@children.13/@sourceConnections.0/@children.1" sourceEnd="//@children.13/@sourceConnections.0/@children.0">
+      <children xsi:type="editmodel:AssociationEndEditModel" location="201,0" anchorKind="FixedAtEdge" attachSource="true"/>
+      <children xsi:type="editmodel:AssociationEndEditModel" location="201,67" anchorKind="FixedAtEdge"/>
+    </sourceConnections>
+    <classifierPreferences xsi:type="editmodel:UMLClassDiagramClassifierPreference" showStereotype="true" showMethodsParameterTypes="true" showMethodsReturnType="true" attributeSorter="Visibility" methodSorter="Visibility" innerClassSorter="Visibility" showPublicAttributes="true" showPackageAttributes="true" showPublicMethods="true" showPackageMethods="true" showPublicInnerClasses="true" showPackageInnerClasses="true"/>
+  </children>
+  <children xsi:type="editmodel:ClassEditModel" location="2223,234" size="84,29" targetConnections="//@children.12/@sourceConnections.0" id="kirschmshsCompiler801" runTimeClassModel="">
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <sourceConnections xsi:type="editmodel:GeneralizationEditModel" connectionRouterKind="Manual" source="//@children.14" target="//@children.0/@sourceConnections.0" targetEnd="//@children.14/@sourceConnections.0/@children.1" sourceEnd="//@children.14/@sourceConnections.0/@children.0">
+      <children xsi:type="editmodel:AssociationEndEditModel" location="42,0" anchorKind="FixedAtEdge" attachSource="true"/>
+      <children xsi:type="editmodel:AssociationEndEditModel"/>
+    </sourceConnections>
+    <classifierPreferences xsi:type="editmodel:UMLClassDiagramClassifierPreference" showStereotype="true" showMethodsParameterTypes="true" showMethodsReturnType="true" attributeSorter="Visibility" methodSorter="Visibility" innerClassSorter="Visibility" showPublicAttributes="true" showPackageAttributes="true" showPublicMethods="true" showPackageMethods="true" showPublicInnerClasses="true" showPackageInnerClasses="true"/>
+  </children>
+  <children xsi:type="editmodel:ClassEditModel" location="940,191" size="545,139" targetConnections="//@children.6/@sourceConnections.0" id="kirschmshsCompiler711" runTimeClassModel="kirschmshsCompiler719;kirschmshsCompiler729;kirschmshsCompiler737;kirschmshsCompiler747;kirschmshsCompiler712">
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <children xsi:type="editmodel:CompartmentEditModel" size="522,90">
+      <children xsi:type="editmodel:MethodEditModel" id="kirschmshsCompiler712"/>
+      <children xsi:type="editmodel:MethodEditModel" id="kirschmshsCompiler719"/>
+      <children xsi:type="editmodel:MethodEditModel" id="kirschmshsCompiler729"/>
+      <children xsi:type="editmodel:MethodEditModel" id="kirschmshsCompiler747"/>
+      <children xsi:type="editmodel:MethodEditModel" id="kirschmshsCompiler737"/>
+    </children>
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <sourceConnections xsi:type="editmodel:GeneralizationEditModel" connectionRouterKind="Manual" source="//@children.15" target="//@children.0/@sourceConnections.0" targetEnd="//@children.15/@sourceConnections.0/@children.1" sourceEnd="//@children.15/@sourceConnections.0/@children.0">
+      <children xsi:type="editmodel:AssociationEndEditModel" location="272,0" anchorKind="FixedAtEdge" attachSource="true"/>
+      <children xsi:type="editmodel:AssociationEndEditModel"/>
+    </sourceConnections>
+    <classifierPreferences xsi:type="editmodel:UMLClassDiagramClassifierPreference" showStereotype="true" showMethodsParameterTypes="true" showMethodsReturnType="true" attributeSorter="Visibility" methodSorter="Visibility" innerClassSorter="Visibility" showPublicAttributes="true" showPackageAttributes="true" showPublicMethods="true" showPackageMethods="true" showPublicInnerClasses="true" showPackageInnerClasses="true"/>
+  </children>
+  <children xsi:type="editmodel:ClassEditModel" location="1023,50" size="403,67" targetConnections="//@children.0/@sourceConnections.0" id="kirschmshsCompiler635" runTimeClassModel="kirschmshsCompiler636">
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <children xsi:type="editmodel:CompartmentEditModel" size="380,18">
+      <children xsi:type="editmodel:MethodEditModel" id="kirschmshsCompiler636"/>
+    </children>
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <classifierPreferences xsi:type="editmodel:UMLClassDiagramClassifierPreference" showStereotype="true" showMethodsParameterTypes="true" showMethodsReturnType="true" attributeSorter="Visibility" methodSorter="Visibility" innerClassSorter="Visibility" showPublicAttributes="true" showPackageAttributes="true" showPublicMethods="true" showPackageMethods="true" showPublicInnerClasses="true" showPackageInnerClasses="true"/>
+  </children>
+  <children xsi:type="editmodel:ClassEditModel" location="1791,561" size="403,85" id="kirschmshsCompiler958" runTimeClassModel="kirschmshsCompiler959;kirschmshsCompiler966">
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <children xsi:type="editmodel:CompartmentEditModel" size="380,36">
+      <children xsi:type="editmodel:MethodEditModel" id="kirschmshsCompiler959"/>
+      <children xsi:type="editmodel:MethodEditModel" id="kirschmshsCompiler966"/>
+    </children>
+    <children xsi:type="editmodel:CompartmentEditModel"/>
+    <sourceConnections xsi:type="editmodel:GeneralizationEditModel" connectionRouterKind="Manual" source="//@children.17" target="//@children.11/@sourceConnections.0" targetEnd="//@children.17/@sourceConnections.0/@children.1" sourceEnd="//@children.17/@sourceConnections.0/@children.0">
+      <children xsi:type="editmodel:AssociationEndEditModel" location="201,0" anchorKind="FixedAtEdge" attachSource="true"/>
+      <children xsi:type="editmodel:AssociationEndEditModel"/>
+    </sourceConnections>
+    <classifierPreferences xsi:type="editmodel:UMLClassDiagramClassifierPreference" showStereotype="true" showMethodsParameterTypes="true" showMethodsReturnType="true" attributeSorter="Visibility" methodSorter="Visibility" innerClassSorter="Visibility" showPublicAttributes="true" showPackageAttributes="true" showPublicMethods="true" showPackageMethods="true" showPublicInnerClasses="true" showPackageInnerClasses="true"/>
+  </children>
+  <classDiagramPreferences xsi:type="editmodel:UMLClassDiagramPreference" attributeSorter="Natural" methodSorter="Natural" innerClassSorter="Natural" showPublicAttributes="true" showPackageAttributes="true" showPublicMethods="true" showPackageMethods="true" showPublicInnerClasses="true" showPackageInnerClasses="true" showInterfaceStereotype="true" showClassStereotype="true" showPackageStereotype="true"/>
+</editmodel:ClassDiagramEditModel>

doc/OldStuff/Rest/Operator.svg

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+</svg>

doc/parser.md

@@ -0,0 +1,24 @@
+# Dateien
+* sämtliche Datein im Ordner de.dhbwstuttgart.parser gehören zum Parser
+* Auch zu beachten: pom.xml
+	* Ein Teil der pom.xml instruiert maven zur Kompilierung der Java8.g4 Datei
+	* VORSICHT! Wird nicht zwangsläufig von der IDE ausgeführt
+	* siehe Kapitel "Grammatik -> Parser"
+
+
+## Unterordner antlr
+* Java8.g4
+	* die eigentliche Java Grammatik
+	* hier wurden Anpassungen vorgenommen, damit sie auch typloses Java annimmt
+* alle anderen Dateien in diesem Ordner sind vom ANTLR-Parsergenerator autogeneriert
+
+## Unterordner SyntaxTreeGenerator
+* SyntaxTreeGenerator
+* TODO
+
+# Grammatik -> Parser
+* Die Antlr-Grammatik (Java8.g4) wandelt 
+* Folgende Stellen sind relevant
+	* TODO
+
+

pom.xml

@@ -1,77 +1,144 @@
-
-<project xmlns="http://maven.apache.org/POM/4.0.0" 
+<project xmlns="http://maven.apache.org/POM/4.0.0"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
-	http://maven.apache.org/maven-v4_0_0.xsd">
-  <modelVersion>4.0.0</modelVersion>
-  <groupId>de.dhbwstuttgart</groupId>
-  <artifactId>JavaTXcompiler</artifactId>
-  <packaging>jar</packaging>
-  <version>0.1</version>
-  <name>JavaTXcompiler</name>
-  <url>http://maven.apache.org</url>
-  <dependencies>
-    <dependency>
-      <groupId>junit</groupId>
-      <artifactId>junit</artifactId>
-      <version>4.0</version>
-      <scope>test</scope>
-      </dependency>
-      <dependency>
-  	  <groupId>org.antlr</groupId>
-   	 <artifactId>antlr4</artifactId>
-   	 <version>4.7</version>
-	</dependency>
-<dependency>
-<groupId>com.google.guava</groupId>
-    <artifactId>guava</artifactId>
-    <version>19.0</version>
-</dependency>
-<dependency>
-    <groupId>org.reflections</groupId>
-    <artifactId>reflections</artifactId>
-    <version>0.9.11</version>
-</dependency>
-<dependency>
-    <groupId>org.ow2.asm</groupId>
-    <artifactId>asm-all</artifactId>
-    <version>[4.0.0,)</version>
-</dependency>
-  </dependencies>
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
+http://maven.apache.org/maven-v4_0_0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>de.dhbwstuttgart</groupId>
+	<artifactId>JavaTXcompiler</artifactId>
+	<packaging>jar</packaging>
 
-  <build>
-    <directory>target</directory>
-    <outputDirectory>target/classes</outputDirectory>
-    <finalName>${artifactId}-${version}</finalName>
-    <testOutputDirectory>target/test-classes</testOutputDirectory>
-    <sourceDirectory>src/</sourceDirectory>
-    <testSourceDirectory>test/</testSourceDirectory>
-    <plugins>
-      <plugin>
-        <groupId>org.antlr</groupId>
-        <artifactId>antlr4-maven-plugin</artifactId>
-        <version>4.7</version>
-        <executions>
-          <execution>
-            <id>antlr</id>
-            <goals>
-		    <goal>antlr4</goal>
-	    </goals>
-	    <configuration>
-		    <sourceDirectory>src/de/dhbwstuttgart/parser/antlr/</sourceDirectory>
-		    <outputDirectory>src/de/dhbwstuttgart/parser/antlr/</outputDirectory>
-		    <arguments>
-			    <argument>-package</argument>
-			   <argument>de.dhbwstuttgart.parser.antlr</argument>
-	  	    </arguments>
-	    </configuration>
-          </execution>
-        </executions>
-      </plugin>
-    </plugins>
-       </build>
-   <properties>
-    <maven.compiler.source>1.8</maven.compiler.source>
-    <maven.compiler.target>1.8</maven.compiler.target>
-  </properties>
+	<version>0.1</version>
+	<name>JavaTXcompiler</name>
+	<url>http://maven.apache.org</url>
+	<dependencies>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>4.11</version>
+			<scope>test</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.antlr</groupId>
+			<artifactId>antlr4</artifactId>
+			<version>4.8-1</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>
+			<version>22.0</version>
+		</dependency>
+		<dependency>
+			<groupId>org.reflections</groupId>
+			<artifactId>reflections</artifactId>
+			<version>0.9.11</version>
+		</dependency>
+		<!-- https://mvnrepository.com/artifact/org.ow2.asm/asm -->
+		<dependency>
+			<groupId>org.ow2.asm</groupId>
+			<artifactId>asm</artifactId>
+			<version>7.0</version>
+		</dependency>
+		<!-- <dependency> <groupId>org.ow2.asm</groupId> <artifactId>asm-all</artifactId> 
+			<version>[4.0.0,)</version> </dependency> -->
+		<!-- <dependency> <groupId>org.bitbucket.mstrobel</groupId> <artifactId>procyon-reflection</artifactId> 
+			<version>[0.5.32,)</version> </dependency> -->
+	</dependencies>
+
+	<build>
+		<directory>target</directory>
+		<outputDirectory>target/classes</outputDirectory>
+		<finalName>${project.artifactId}-${project.version}</finalName>
+		<testOutputDirectory>target/test-classes</testOutputDirectory>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-surefire-plugin</artifactId>
+				<version>3.0.0-M3</version>
+				<configuration>
+					<skipTests>true</skipTests>
+				</configuration>
+			</plugin>
+			<!-- plugin>
+		        <groupId>org.apache.maven.plugins</groupId>
+		        <artifactId>maven-compiler-plugin</artifactId>
+		        <version>3.8.1</version>
+		        <configuration>
+		          <verbose>true</verbose>
+		          <fork>true</fork>
+		          <executable>/home/michael/programs/jdk/jdk8u232-b09/bin/javac</executable>
+		          <compilerVersion>1.8</compilerVersion>
+		          <source>1.8</source>
+		          <target>1.8</target>
+		        </configuration>
+		    </plugin -->	
+			<plugin>
+				<groupId>org.antlr</groupId>
+				<artifactId>antlr4-maven-plugin</artifactId>
+				<version>4.8-1</version>
+				<executions>
+					<execution>
+						<id>antlr</id>
+						<goals>
+							<goal>antlr4</goal>
+						</goals>
+						<configuration>
+							<sourceDirectory>src/main/antlr4/java8</sourceDirectory>
+							<outputDirectory>${project.basedir}/src/main/java/de/dhbwstuttgart/parser/antlr</outputDirectory>
+							<arguments>
+								<argument>-package</argument>
+								<argument>de.dhbwstuttgart.parser.antlr</argument>
+							</arguments>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
+			<plugin>
+				<artifactId>maven-assembly-plugin</artifactId>
+				<executions>
+					<execution>
+						<phase>package</phase>
+						<goals>
+							<goal>single</goal>
+						</goals>
+					</execution>
+				</executions>
+				<configuration>
+					<archive>
+						<manifest>
+							<mainClass>de.dhbwstuttgart.core.ConsoleInterface</mainClass>
+						</manifest>
+					</archive>
+					<descriptorRefs>
+						<descriptorRef>jar-with-dependencies</descriptorRef>
+					</descriptorRefs>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+	<repositories>
+		<repository>
+			<id>maven-repository</id>
+			<url>file:///${project.basedir}/target</url>
+		</repository>
+	</repositories>
+	<properties>
+	    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+		<maven.compiler.source>1.8</maven.compiler.source>
+		<maven.compiler.target>1.8</maven.compiler.target>
+		<tycho.version>0.23.0</tycho.version>
+		<mainClass>de.dhbwstuttgart.core.ConsoleInterface</mainClass>
+	</properties>
+	<distributionManagement>
+		<repository>
+			<id>maven-repository</id>
+			<name>MyCo Internal Repository</name>
+			<url>file:///${project.basedir}/maven-repository/</url>
+		</repository>
+	</distributionManagement>
 </project>

src/build_compiler.sh

@@ -1,24 +0,0 @@
-#!/bin/bash
-# A basic script to compile the necessary packages and their subpackages to work with the parser.
-# Messages are logged to stderr.
->&2 echo "Building de.dhbwstuttgart.typecheck..."
-javac -d ../bin ./de/dhbwstuttgart/typecheck/*.java
->&2 echo "Building de.dhbwstuttgart.syntaxtree..."
-javac -d ../bin ./de/dhbwstuttgart/syntaxtree/*.java
->&2 echo "Building de.dhbwstuttgart.syntaxtree.factory..."
-javac -d ../bin ./de/dhbwstuttgart/syntaxtree/factory/*.java
->&2 echo "Building de.dhbwstuttgart.syntaxtree.operator..."
-javac -d ../bin ./de/dhbwstuttgart/syntaxtree/operator/*.java
->&2 echo "Building de.dhbwstuttgart.syntaxtree.statement..."
-javac -d ../bin ./de/dhbwstuttgart/syntaxtree/statement/*.java
->&2 echo "Building de.dhbwstuttgart.syntaxtree.statement.literal..."
-javac -d ../bin ./de/dhbwstuttgart/syntaxtree/statement/literal/*.java
->&2 echo "Building de.dhbwstuttgart.syntaxtree.type..."
-javac -d ../bin ./de/dhbwstuttgart/syntaxtree/type/*.java
->&2 echo "Building de.dhbwstuttgart.parser..."
-javac -d ../bin ./de/dhbwstuttgart/parser/*.java
->&2 echo "Building de.dhbwstuttgart.parser.SyntaxTreeGenerator..."
-javac -d ../bin ./de/dhbwstuttgart/parser/SyntaxTreeGenerator/*.java
->&2 echo "Building de.dhbwstuttgart.parser.antlr..."
-javac -d ../bin ./de/dhbwstuttgart/parser/antlr/*.java
-echo "Done. Now its your turn to debug:)."

src/de/dhbwstuttgart/bytecode/BytecodeGen.java

@@ -1,386 +0,0 @@
-package de.dhbwstuttgart.bytecode;
-
-import java.awt.List;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Iterator;
-
-import org.objectweb.asm.ClassWriter;
-import org.objectweb.asm.FieldVisitor;
-import org.objectweb.asm.MethodVisitor;
-import org.objectweb.asm.Opcodes;
-
-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.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;
-
-public class BytecodeGen implements ASTVisitor {
-	
-	ClassWriter cw =new ClassWriter(ClassWriter.COMPUTE_FRAMES|ClassWriter.COMPUTE_MAXS);
-//	String methDesc;
-	
-	String type;
-	
-	String className;
-	
-	// 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<>();
-	byte[] bytecode;
-	HashMap<String,byte[]> classFiles;
-	
-	public BytecodeGen(HashMap<String,byte[]> classFiles) {
-		this.classFiles = classFiles;
-		paramsAndLocals = new HashMap<>();
-	}
-	
-	@Override
-	public void visit(SourceFile sourceFile) {
-		for(ClassOrInterface cl : sourceFile.getClasses()) {
-			BytecodeGen classGen = new BytecodeGen(classFiles);
-			cl.accept(classGen);
-			classGen.writeClass(cl.getClassName().toString());
-		}
-	}
-
-	private void writeClass(String name) {
-		bytecode = cw.toByteArray();
-		classFiles.put(name, bytecode);
-		
-	}
-	
-	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);
-		
-		// for each field in the class
-		for(Field f : classOrInterface.getFieldDecl()) {
-			System.out.println("get Fields");
-			System.out.println(f.getName());
-			f.accept(this);
-		}
-		
-		for(Constructor c : classOrInterface.getConstructors()) {
-			c.accept(this);
-		}
-		
-		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); 
-		mv.visitCode();		
-		System.out.println("-----Constructor-----");
-		BytecodeGenMethod gen = new BytecodeGenMethod(className,field, mv,paramsAndLocals,desc.getDesc(),cw);
-
-		mv.visitInsn(Opcodes.RETURN);
-		mv.visitMaxs(0, 0);
-		mv.visitEnd();
-	}
-
-	@Override
-	public void visit(Method method) {
-		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); 
-		mv.visitCode();		
-		
-		BytecodeGenMethod gen = new BytecodeGenMethod(className,method, mv,paramsAndLocals,methDesc.getDesc(),cw);
-		mv.visitMaxs(0, 0);
-		mv.visitEnd();
-	}
-	
-	@Override
-	public void visit(ParameterList formalParameters) {
-		Iterator<FormalParameter> itr = formalParameters.iterator();
-		int i = 1;
-		while(itr.hasNext()) {
-			FormalParameter fp = itr.next();
-			paramsAndLocals.put(fp.getName(), i);
-			fp.accept(this);
-			i++;
-		}
-	}
-	
-	@Override
-	public void visit(FormalParameter formalParameter) {
-		formalParameter.getType().accept(this);
-	}
-	
-	@Override
-	public void visit(RefType refType) {
-		type = "L"+refType.toString()+";";
-	}
-
-	@Override
-	public void visit(SuperWildcardType superWildcardType) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(TypePlaceholder typePlaceholder) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(ExtendsWildcardType extendsWildcardType) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(GenericRefType genericRefType) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	// ??
-	@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();
-	}
-	
-	// 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();
-	}
-
-	@Override
-	public void visit(LambdaExpression lambdaExpression) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(Assign assign) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(Binary binary) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(Block block) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(CastExpr castExpr) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(EmptyStmt emptyStmt) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(ForStmt forStmt) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(IfStmt ifStmt) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(InstanceOf instanceOf) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(LocalVar localVar) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(LocalVarDecl localVarDecl) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(MethodCall methodCall) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(NewClass methodCall) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(NewArray newArray) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(Receiver receiver) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(Return aReturn) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(ReturnVoid aReturn) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(StaticClassName staticClassName) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(Super aSuper) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(This aThis) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(UnaryPlus unaryPlus) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(WhileStmt whileStmt) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(DoStmt whileStmt) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(Null aNull) {
-		// TODO Auto-generated method stub
-		
-	}
-	// ???
-	@Override
-	public void visit(Literal literal) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(ArgumentList argumentList) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(GenericTypeVar genericTypeVar) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(GenericDeclarationList genericTypeVars) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(AssignToField assignLeftSide) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(AssignToLocal assignLeftSide) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(SuperCall superCall) {
-		// TODO Auto-generated method stub
-		
-	}
-
-}

src/de/dhbwstuttgart/bytecode/BytecodeGenMethod.java

@@ -1,360 +0,0 @@
-package de.dhbwstuttgart.bytecode;
-
-import java.io.PrintStream;
-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.HashMap;
-
-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 de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
-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.type.RefTypeOrTPHOrWildcardOrGeneric;
-
-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 ClassWriter cw;
-	
-	//for tests **
-	private String fieldName;
-	private String fieldDesc;
-	private Expression rightSideTemp;
-	private String where;
-	
-	public BytecodeGenMethod(String className, Method m, MethodVisitor mv, HashMap<String, Integer> paramsAndLocals,
-			String desc, ClassWriter cw) {
-		
-		this.where = "NORMAL METHOD";
-		
-		this.className = className;
-		this.m = m;
-		this.mv = mv;
-		this.paramsAndLocals = paramsAndLocals;
-		this.desc = desc;
-		this.cw = cw;
-		this.lamCounter = -1;
-		
-		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";
-		
-		this.mv = mv;
-		this.paramsAndLocals = paramsAndLocals;
-		this.desc = desc;
-		
-		this.lamCounter = -1;
-		
-		lambdaExpression.methodBody.accept(this);
-	}
-	
-	@Override
-	public void visit(Block block) {
-		for(Statement stmt : block.getStatements()) {
-			System.out.println(where);
-			System.out.println("Stmt : " + stmt.toString());
-			stmt.accept(this);
-			System.out.println("--------------------------\n");
-		}
-	}
-	
-	@Override
-	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);
-	}
-	
-	// ??
-	@Override
-	public void visit(LocalVar localVar) {
-		System.out.println("in Local Var");
-	}
-	// ??
-	@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);
-		}else {
-			assign.rightSide.accept(this);
-			assign.lefSide.accept(this);
-		}
-		
-		
-		
-	}
-	
-	@Override
-	public void visit(Binary binary) {
-		System.out.println("++ In Binary: ");
-	}
-	
-	@Override
-	public void visit(LambdaExpression lambdaExpression) {
-		System.out.println("\n++ In Lambda: ");
-		this.lamCounter++;
-		//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());
-		mvLambdaBody.visitMaxs(0, 0);
-		mvLambdaBody.visitEnd();
-	}
-
-	@Override
-	public void visit(CastExpr castExpr) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(EmptyStmt emptyStmt) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(FieldVar fieldVar) {
-		System.out.println("in fieldVar " + fieldVar.fieldVarName + " ** receiver: "+fieldVar.receiver);
-		
-		fieldName = fieldVar.fieldVarName;
-		fieldDesc = fieldVar.getType().toString();
-		
-		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.GETSTATIC, fieldVar.receiver.getType().toString().replace(".", "/"), 
-//				fieldVar.fieldVarName, fieldVar.getType().toString());
-	}
-
-	@Override
-	public void visit(ForStmt forStmt) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(IfStmt ifStmt) {
-		System.out.println("++ IF-Statment: ");
-	}
-
-	@Override
-	public void visit(InstanceOf instanceOf) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@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());
-		
-		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);
-		}
-	}
-
-	@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);
-		// creates Descriptor
-		methodCall.arglist.accept(this);
-		String d = "(";
-		for(Expression e : methodCall.arglist.getArguments()) {
-			d = d + "L"+e.getType().toString().replace(".", "/") + ";";
-		}
-		d += ")V";
-		
-		mv.visitMethodInsn(Opcodes.INVOKESPECIAL, methodCall.name.replace(".", "/"), "<init>", d, false);
-	}
-
-	@Override
-	public void visit(NewArray newArray) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(Receiver receiver) {
-		System.out.println("	in Receiver");
-		System.out.println("		expr : " + receiver.expr);
-		receiver.expr.accept(this);
-	}
-
-	@Override
-	public void visit(Return aReturn) {
-		mv.visitInsn(Opcodes.ARETURN);
-	}
-
-	@Override
-	public void visit(ReturnVoid aReturn) {
-		mv.visitInsn(Opcodes.RETURN);
-	}
-
-	@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(".", "/"), 
-				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
-		
-	}
-
-	@Override
-	public void visit(DoStmt whileStmt) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void visit(Null aNull) {
-		mv.visitInsn(Opcodes.ACONST_NULL);
-	}
-
-	@Override
-	public void visit(Literal literal) {
-		// value?
-		mv.visitLdcInsn(literal.getType().toString());
-	}
-
-	@Override
-	public void visit(ArgumentList argumentList) {
-		for(Expression al : argumentList.getArguments()) {
-			al.accept(this);
-		}
-	}
-
-	@Override
-	public void visit(AssignToField assignLeftSide) {
-		// 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());
-	}
-
-	@Override
-	public void visit(AssignToLocal assignLeftSide) {
-		paramsAndLocals.put(assignLeftSide.localVar.name, paramsAndLocals.size()+1);
-		mv.visitVarInsn(Opcodes.ASTORE, paramsAndLocals.size());
-	}
-
-}

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/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/core/ConsoleInterface.java

@@ -1,16 +0,0 @@
-package de.dhbwstuttgart.core;
-
-import java.io.File;
-import java.io.IOException;
-import java.util.*;
-import java.util.stream.Collectors;
-
-public class ConsoleInterface {
-	private static final String directory = System.getProperty("user.dir");
-
-	public static void main(String[] args) throws IOException, ClassNotFoundException {
-		List<File> input = Arrays.asList(args).stream().map((s -> new File(s))).collect(Collectors.toList());
-		JavaTXCompiler compiler = new JavaTXCompiler(input);
-		compiler.typeInference();
-	}
-}

src/de/dhbwstuttgart/core/JavaTXCompiler.java

@@ -1,103 +0,0 @@
-package de.dhbwstuttgart.core;
-
-
-import de.dhbwstuttgart.environment.CompilationEnvironment;
-import de.dhbwstuttgart.parser.JavaTXParser;
-import de.dhbwstuttgart.parser.scope.GenericsRegistry;
-import de.dhbwstuttgart.parser.SyntaxTreeGenerator.SyntaxTreeGenerator;
-import de.dhbwstuttgart.parser.antlr.Java8Parser.CompilationUnitContext;
-import de.dhbwstuttgart.parser.scope.JavaClassName;
-import de.dhbwstuttgart.parser.scope.JavaClassRegistry;
-import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
-import de.dhbwstuttgart.syntaxtree.SourceFile;
-import de.dhbwstuttgart.syntaxtree.factory.ASTFactory;
-import de.dhbwstuttgart.syntaxtree.factory.UnifyTypeFactory;
-import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
-import de.dhbwstuttgart.typeinference.constraints.Constraint;
-import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
-import de.dhbwstuttgart.typeinference.constraints.Pair;
-import de.dhbwstuttgart.typeinference.result.ResultSet;
-import de.dhbwstuttgart.typeinference.typeAlgo.TYPE;
-import de.dhbwstuttgart.typeinference.unify.TypeUnify;
-import de.dhbwstuttgart.typeinference.unify.model.FiniteClosure;
-import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
-
-import java.io.File;
-import java.io.IOException;
-import java.util.*;
-import java.util.stream.Collectors;
-
-public class JavaTXCompiler {
-
-	final CompilationEnvironment environment;
-    public final Map<File, SourceFile> sourceFiles = new HashMap<>();
-
-    public JavaTXCompiler(File sourceFile) throws IOException, ClassNotFoundException {
-        this(Arrays.asList(sourceFile));
-    }
-
-    public JavaTXCompiler(List<File> sources) throws IOException, ClassNotFoundException {
-        environment = new CompilationEnvironment(sources);
-        for(File s : sources){
-            sourceFiles.put(s,parse(s));
-        }
-    }
-
-    public List<ResultSet> typeInference() throws ClassNotFoundException {
-        List<ClassOrInterface> allClasses = new ArrayList<>();//environment.getAllAvailableClasses();
-        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()){
-                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();
-        ConstraintSet<UnifyPair> unifyCons = UnifyTypeFactory.convert(cons);
-
-        TypeUnify unify = new TypeUnify();
-        Set<Set<UnifyPair>> results = new HashSet<>();
-        for(List<Constraint<UnifyPair>> xCons : unifyCons.cartesianProduct()){
-            Set<UnifyPair> xConsSet = new HashSet<>();
-            for(Constraint<UnifyPair> constraint : xCons){
-                xConsSet.addAll(constraint);
-            }
-
-            //System.out.println(xConsSet);
-            Set<Set<UnifyPair>> result = unify.unify(xConsSet, finiteClosure);
-            //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){
-        HashMap<String, TypePlaceholder> ret = new HashMap<>();
-        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);
-            }
-            return null;
-        });
-        return ret;
-    }
-
-    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);
-        return ret;
-    }
-    
-}

src/de/dhbwstuttgart/environment/CompilationEnvironment.java

@@ -1,63 +0,0 @@
-package de.dhbwstuttgart.environment;
-
-import java.io.File;
-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 de.dhbwstuttgart.syntaxtree.ClassOrInterface;
-import de.dhbwstuttgart.syntaxtree.SourceFile;
-import de.dhbwstuttgart.syntaxtree.factory.ASTFactory;
-import org.reflections.Reflections;
-import org.reflections.scanners.ResourcesScanner;
-import org.reflections.scanners.SubTypesScanner;
-import org.reflections.util.ClasspathHelper;
-import org.reflections.util.ConfigurationBuilder;
-import org.reflections.util.FilterBuilder;
-
-import de.dhbwstuttgart.exceptions.DebugException;
-import de.dhbwstuttgart.parser.JavaTXParser;
-import de.dhbwstuttgart.parser.antlr.Java8Parser.CompilationUnitContext;
-import de.dhbwstuttgart.parser.scope.GatherNames;
-import de.dhbwstuttgart.parser.scope.JavaClassRegistry;
-
-/**
- * Stellt die Java-Environment dar und speichert alle Binarys, Librarys und Sourcefiles im zu kompilierenden Projekt
- * Sie erstellt anhand dieser Informationen die JavaClassNameRegistry
- * 
- * TODO: Zur Initialisierung der CompilationEnvironment sollten alle SourceFiles mit ANTLR geparst werden und alle Klassen Generics und Typen herausgefunden werden
- */
-public class CompilationEnvironment {
-	private final List<URL> librarys;
-	private final List<File> sourceFiles;
-
-	/**
-	 * Imitiert die Environment beim Aufruf des JavaCompilers auf einer Menge von java-Dateien
-	 * Die Environment enth<74>lt automatisch die Java Standard Library
-	 * @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");
-			}
-        }
-		this.sourceFiles = sourceFiles;
-	}
-
-	public JavaClassRegistry getRegistry(File forSourceFile) throws ClassNotFoundException, IOException {
-		List<String> allNames;
-		CompilationUnitContext tree = JavaTXParser.parse(forSourceFile);
-		allNames = GatherNames.getNames(tree, new PackageCrawler(librarys));
-		return new JavaClassRegistry(allNames);
-	}
-}

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

@@ -1,22 +0,0 @@
-package de.dhbwstuttgart.parser.scope;
-
-import de.dhbwstuttgart.parser.SyntaxTreeGenerator.GenericContext;
-
-public class GenericTypeName extends JavaClassName {
-    private final static String DELIMITER = "%";
-
-    private final JavaClassName parentClass;
-    private final String methodName;
-
-    public GenericTypeName(GenericContext genericContext, String name) {
-        super(name);
-        this.parentClass = genericContext.parentClass;
-        this.methodName = genericContext.parentMethod;
-    }
-
-    public String getUniqueIdentifier() {
-        return parentClass.toString()
-                + DELIMITER + methodName
-                + DELIMITER + super.toString();
-    }
-}

src/de/dhbwstuttgart/syntaxtree/GenericDeclarationList.java

@@ -1,34 +0,0 @@
-package de.dhbwstuttgart.syntaxtree;
-
-import org.antlr.v4.runtime.Token;
-
-import java.util.*;
-
-
-/**
- * Stellt eine Deklarations-Liste von Generischen Variablen dar.
- * Kann vor Methoden und Klassen auftauchen. (<....>)
- * @author janulrich
- * 
- */
-public class GenericDeclarationList extends SyntaxTreeNode implements Iterable<GenericTypeVar>{
-
-	private Token offsetOfLastElement;
-	private List<GenericTypeVar> gtvs = new ArrayList<>();
-	
-	public GenericDeclarationList(List<GenericTypeVar> values, Token endOffset) {
-		super(endOffset);
-		gtvs = values;
-		this.offsetOfLastElement = endOffset;
-	}
-
-	@Override
-	public Iterator<GenericTypeVar> iterator() {
-		return gtvs.iterator();
-	}
-
-	@Override
-	public void accept(ASTVisitor visitor) {
-		visitor.visit(this);
-	}
-}

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 +0,0 @@
-package de.dhbwstuttgart.syntaxtree.statement;
-
-
-import org.antlr.v4.runtime.Token;
-
-public abstract class BinaryExpr extends Expression
-{
-
-    public BinaryExpr(Token offset)
-    {
-        super(null,null);
-    }
-
-}

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

@@ -1,18 +0,0 @@
-package de.dhbwstuttgart.syntaxtree.statement;
-import java.util.Hashtable;
-import java.util.Iterator;
-
-import org.antlr.v4.runtime.Token;
-
-
-
-public class NegativeExpr extends UnaryExpr
-{
-    public NegativeExpr(Token offset)
-    {
-        super(offset);
-    }
-    private UnaryMinus neg;
-    public Expression expr;
-
-}

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

@@ -1,14 +0,0 @@
-package de.dhbwstuttgart.syntaxtree.statement;
-
-
-import org.antlr.v4.runtime.Token;
-
-public class NotExpr extends UnaryExpr
-{
-    public NotExpr(Token offset)
-    {
-        super(offset);
-    }
-    private UnaryNot not;
-    public Expression expr;
-}

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

@@ -1,15 +0,0 @@
-package de.dhbwstuttgart.syntaxtree.statement;
-
-
-import org.antlr.v4.runtime.Token;
-
-public class PositivExpr extends UnaryExpr
-{
-    public PositivExpr(Token offset)
-    {
-        super(offset);
-    }
-    protected UnaryPlus plus;
-    public Expression expr;
-
-}

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

@@ -1,17 +0,0 @@
-package de.dhbwstuttgart.syntaxtree.statement;
-import java.util.Hashtable;
-import java.util.Iterator;
-
-import de.dhbwstuttgart.parser.antlr.Java8Parser;
-
-
-
-
-public class PostDecExpr extends PostIncExpr
-{
-
-    public PostDecExpr(Expression expr) {
-        super(expr);
-    }
-
-}

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

@@ -1,15 +0,0 @@
-package de.dhbwstuttgart.syntaxtree.statement;
-
-import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceBlockInformation;
-import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
-import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceInformation;
-import de.dhbwstuttgart.exceptions.NotImplementedException;
-
-
-public class PostIncExpr extends UnaryExpr
-{
-    public PostIncExpr(Expression expr) {
-        super(null);
-    }
-
-}

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

@@ -1,17 +0,0 @@
-package de.dhbwstuttgart.syntaxtree.statement;
-import java.util.Hashtable;
-import java.util.Iterator;
-
-import org.antlr.v4.runtime.Token;
-
-
-
-
-
-public class PreDecExpr extends UnaryExpr
-{
-    public PreDecExpr(Token offset)
-    {
-        super(offset);
-    }
-}

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

@@ -1,12 +0,0 @@
-package de.dhbwstuttgart.syntaxtree.statement;
-
-
-import org.antlr.v4.runtime.Token;
-
-public class PreIncExpr extends UnaryExpr
-{
-    public PreIncExpr(Token offset)
-    {
-        super(offset);
-    }
-}

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

@@ -1,26 +0,0 @@
-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.assumptions.TypeInferenceInformation;
-
-public class Receiver extends Expression
-{
-    public Expression expr;
-    /**
-     * Autor: J�rg B�uerle
-     * @param expr
-     */
-    public Receiver(Expression expr)
-    {
-        super(expr.getType(), expr.getOffset());
-        this.expr = expr;
-    }
-
-    @Override
-    public void accept(StatementVisitor visitor) {
-        visitor.visit(this);
-    }
-}

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

@@ -1,28 +0,0 @@
-package de.dhbwstuttgart.syntaxtree.statement;
-
-import de.dhbwstuttgart.syntaxtree.StatementVisitor;
-import de.dhbwstuttgart.syntaxtree.type.RefType;
-import de.dhbwstuttgart.syntaxtree.type.Void;
-import org.antlr.v4.runtime.Token;
-
-import de.dhbwstuttgart.syntaxtree.SyntaxTreeNode;
-
-import java.util.ArrayList;
-
-
-public class SuperCall extends MethodCall
-{
-    public SuperCall(Token offset){
-        this(new ArgumentList(new ArrayList<Expression>(), offset),offset);
-    }
-
-    public SuperCall(ArgumentList argumentList, Token offset){
-        super(new Void(offset), new Receiver(new This(offset)), "<init>", argumentList, offset);
-    }
-
-
-    @Override
-    public void accept(StatementVisitor visitor) {
-        visitor.visit(this);
-    }
-}

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

@@ -1,14 +0,0 @@
-package de.dhbwstuttgart.syntaxtree.statement;
-
-
-import org.antlr.v4.runtime.Token;
-
-public abstract class UnaryExpr extends MethodCall
-{
-    public Expression expr;
-
-    public UnaryExpr(Token offset)
-    {
-        super(null,null,null,null,null);
-    }
-}

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

@@ -1,12 +0,0 @@
-package de.dhbwstuttgart.syntaxtree.statement;
-
-
-import de.dhbwstuttgart.syntaxtree.SyntaxTreeNode;
-
-public class UnaryMinus extends UnaryPlus
-{
-
-    public UnaryMinus(Expression expression) {
-        super(expression);
-    }
-}

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

@@ -1,7 +0,0 @@
-package de.dhbwstuttgart.syntaxtree.statement;
-
-
-public class UnaryNot
-{
-    
-}

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

@@ -1,20 +0,0 @@
-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.assumptions.TypeInferenceInformation;
-import de.dhbwstuttgart.exceptions.NotImplementedException;
-
-public class UnaryPlus extends Expression
-{
-    public UnaryPlus(Expression expression){
-        super(expression.getType(),expression.getOffset());
-
-    }
-
-    @Override
-    public void accept(StatementVisitor visitor) {
-        visitor.visit(this);
-    }
-}

src/de/dhbwstuttgart/syntaxtree/statement/literal/BoolLiteral.java

@@ -1,26 +0,0 @@
-package de.dhbwstuttgart.syntaxtree.statement.literal;
-
-import de.dhbwstuttgart.syntaxtree.StatementVisitor;
-import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
-import org.antlr.v4.runtime.Token;
-
-
-public class BoolLiteral extends Literal
-{
-
-    private boolean value;
-
-    public BoolLiteral(RefTypeOrTPHOrWildcardOrGeneric type, boolean value, Token offset)
-    {
-        super(type,offset);
-        this.value = value;
-    }
-
-
-    @Override
-    public void accept(StatementVisitor visitor) {
-        visitor.visit(this);
-    }
-
-	
-}

src/de/dhbwstuttgart/syntaxtree/statement/literal/CharLiteral.java

@@ -1,21 +0,0 @@
-package de.dhbwstuttgart.syntaxtree.statement.literal;
-import de.dhbwstuttgart.syntaxtree.StatementVisitor;
-import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
-import org.antlr.v4.runtime.Token;
-
-
-public class CharLiteral extends Literal
-{
-    private char value;
-
-    public CharLiteral(RefTypeOrTPHOrWildcardOrGeneric type, char value, Token offset)
-    {
-        super(type,offset);
-        this.value = value;
-    }
-
-    @Override
-    public void accept(StatementVisitor visitor) {
-        visitor.visit(this);
-    }
-}

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

@@ -1,19 +0,0 @@
-package de.dhbwstuttgart.syntaxtree.statement.literal;
-
-
-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 abstract class Literal extends Expression
-{
-    public Literal(RefTypeOrTPHOrWildcardOrGeneric type, Token offset) {
-        super(type, offset);
-    }
-
-    public ConstraintSet getConstraints(TypeInferenceBlockInformation info){
-        return new ConstraintSet();
-    }
-}

src/de/dhbwstuttgart/syntaxtree/statement/literal/NumberLiteral.java

@@ -1,22 +0,0 @@
-package de.dhbwstuttgart.syntaxtree.statement.literal;
-
-import de.dhbwstuttgart.syntaxtree.StatementVisitor;
-import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
-import org.antlr.v4.runtime.Token;
-
-
-public class NumberLiteral extends Literal
-{
-    private Number value;
-    
-    public NumberLiteral(RefTypeOrTPHOrWildcardOrGeneric type, Number value, Token offset)
-    {
-        super(type,offset);
-        this.value = value;
-    }
-
-    @Override
-    public void accept(StatementVisitor visitor) {
-        visitor.visit(this);
-    }
-}

src/de/dhbwstuttgart/syntaxtree/statement/literal/StringLiteral.java

@@ -1,23 +0,0 @@
-
-package de.dhbwstuttgart.syntaxtree.statement.literal;
-
-import de.dhbwstuttgart.syntaxtree.StatementVisitor;
-import de.dhbwstuttgart.syntaxtree.type.RefType;
-import org.antlr.v4.runtime.Token;
-
-
-public class StringLiteral extends Literal
-{
-    private String value;
-
-    public StringLiteral(RefType type, String value, Token offset)
-    {
-        super(type,offset);
-        this.value = value;
-    }
-
-    @Override
-    public void accept(StatementVisitor visitor) {
-        visitor.visit(this);
-    }
-}

src/de/dhbwstuttgart/syntaxtree/type/FunN.java

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

src/de/dhbwstuttgart/typedeployment/TypeInsert.java

@@ -1,36 +0,0 @@
-package de.dhbwstuttgart.typedeployment;
-
-import org.antlr.v4.runtime.Token;
-
-import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-
-public class TypeInsert {
-    /**
-     * point wird hauptsächlich zur Anzeige einer Annotation im Eclipse-plugin benutzt.
-     */
-    public final TypeInsertPoint point;
-    Set<TypeInsertPoint> inserts;
-
-    public TypeInsert(TypeInsertPoint point, Set<TypeInsertPoint> additionalPoints){
-        this.point = point;
-        inserts = additionalPoints;
-    }
-
-    public String insert(String intoSource){
-        List<TypeInsertPoint> offsets = new ArrayList<>();
-        String ret = point.insert(intoSource, offsets);
-        offsets.add(point);
-        for(TypeInsertPoint insertPoint : inserts){
-            ret = insertPoint.insert(ret, offsets);
-            offsets.add(insertPoint);
-        }
-        return ret;
-    }
-
-    public String getInsertString(){
-        return point.getInsertString();
-    }
-}

src/de/dhbwstuttgart/typedeployment/TypeInsertFactory.java

@@ -1,142 +0,0 @@
-package de.dhbwstuttgart.typedeployment;
-
-import de.dhbwstuttgart.syntaxtree.*;
-import de.dhbwstuttgart.syntaxtree.type.*;
-import de.dhbwstuttgart.typeinference.result.*;
-import org.antlr.v4.runtime.Token;
-
-import java.util.*;
-
-/**
- * TODO:
- * Falls in Feldern Generics entstehen, dann werden diese als Klassenparameter eingesetzt
- * Für die Instanzierung von Klassen kann man dann beispielsweise nur noch den Diamond-Operator verwenden
- *
- * Es müssen zu einem TPH alle in Beziehung stehenden Constraints gefunden werden
- *
- * Anmekung: Es wird nur ein RefType gleichzeitug eingesetzt.
- * Steht dieser mit anderen Typen in Verbindung, so müssen diese nicht eingesetzt werden
- * im Result set können nur TPHs mit <. Beziehung stehen
- * Steht ein Typ A über TPHs mit anderen Typen B in Verbindung, so lassen sich diese auch im nächsten Durchgang
- * inferieren, wenn A bereits eingesetzt wurde. Es werden dann eben zusätzliche Generics entstehen
- */
-public class TypeInsertFactory {
-
-
-    public static Set<TypeInsert> createTypeInsertPoints(SourceFile forSourcefile, ResultSet withResults){
-        return new TypeInsertPlacer().getTypeInserts(forSourcefile, withResults);
-    }
-
-    public static TypeInsert createInsertPoints(RefTypeOrTPHOrWildcardOrGeneric type, Token offset, ClassOrInterface cl, Method m,
-                                                ResultSet resultSet) {
-        Set<TypeInsertPoint> ret = new HashSet<>();
-        ResolvedType resolvedType = resultSet.resolveType(type);
-        TypeInsertPoint insertPoint = new TypeInsertPoint(offset,
-                    new TypeToInsertString(resolvedType.resolvedType).insert);
-        return new TypeInsert(insertPoint, new HashSet<>(Arrays.asList(createGenericInsert(resolvedType.additionalGenerics, cl, m))));
-    }
-
-    private static TypeInsertPoint createGenericInsert(Set<GenericInsertPair> toInsert, ClassOrInterface cl, Method m){
-        //Momentan wird Methode ignoriert. Parameter werden immer als Klassenparameter angefügt:
-        //Offset zum Einstzen bestimmen:
-        Token offset;
-        String insert = "";
-        String end;
-        if(cl.getGenerics().iterator().hasNext()){
-            //offset = cl.getGenerics().iterator().next().getOffset();
-            offset = cl.getGenerics().getOffset();
-            end=",";
-        }else{
-            offset = cl.getGenerics().getOffset();
-            insert += "<";
-            end = ">";
-        }
-
-        //Alle einzusetzenden Generics und deren Bounds bestimmen:
-        HashMap<TypePlaceholder, HashSet<TypePlaceholder>> genericsAndBounds = new HashMap<>();
-        for(GenericInsertPair p : toInsert){
-            if(!genericsAndBounds.containsKey(p.TA1)){
-                genericsAndBounds.put((TypePlaceholder) p.TA1, new HashSet<>());
-            }
-            if(p.TA2 != null){
-                genericsAndBounds.get(p.TA1).add((TypePlaceholder) p.TA2);
-                if(!genericsAndBounds.containsKey(p.TA2)){
-                    genericsAndBounds.put((TypePlaceholder) p.TA2, new HashSet<>());
-                }
-            }
-        }
-
-        //String zum Einsetzen (Generics mit bounds) generieren:
-        Iterator<TypePlaceholder> it = genericsAndBounds.keySet().iterator();
-        if(! it.hasNext())return new TypeInsertPoint(offset, "");
-        while(it.hasNext()){
-            TypePlaceholder tph = it.next();
-            insert += tph.getName();
-            Set<TypePlaceholder> bounds = genericsAndBounds.get(tph);
-            if(bounds.size() > 0){
-                insert += " extends ";
-                Iterator<TypePlaceholder> boundIt = bounds.iterator();
-                while(boundIt.hasNext()){
-                    TypePlaceholder bound = boundIt.next();
-                    insert += bound.getName();
-                    if(boundIt.hasNext())insert += " & ";
-                }
-            }
-            if(it.hasNext())insert+=",";
-        }
-        return new TypeInsertPoint(offset, insert + end);
-    }
-}
-
-class TypeToInsertString implements ResultSetVisitor{
-    String insert = "";
-
-    TypeToInsertString(RefTypeOrTPHOrWildcardOrGeneric type){
-        type.accept(this);
-    }
-
-    @Override
-    public void visit(PairTPHsmallerTPH p) {
-
-    }
-
-    @Override
-    public void visit(PairTPHequalRefType p) {
-
-    }
-
-    @Override
-    public void visit(RefType resolved) {
-        insert = resolved.getName().toString();
-        if(resolved.getParaList().size() > 0){
-            insert += "<";
-            Iterator<RefTypeOrTPHOrWildcardOrGeneric> iterator = resolved.getParaList().iterator();
-            while(iterator.hasNext()){
-                RefTypeOrTPHOrWildcardOrGeneric typeParam = iterator.next();
-                insert += new TypeToInsertString(typeParam).insert;
-                if(iterator.hasNext())insert += ", ";
-            }
-            insert += ">";
-        }
-    }
-
-    @Override
-    public void visit(GenericRefType genericRefType) {
-        insert += genericRefType.getName();
-    }
-
-    @Override
-    public void visit(SuperWildcardType superWildcardType) {
-        insert += "? super " + new TypeToInsertString(superWildcardType.getInnerType()).insert;
-    }
-
-    @Override
-    public void visit(TypePlaceholder typePlaceholder) {
-        insert += typePlaceholder.getName();
-    }
-
-    @Override
-    public void visit(ExtendsWildcardType extendsWildcardType) {
-        insert += "? extends " + new TypeToInsertString(extendsWildcardType.getInnerType()).insert;
-    }
-}

src/de/dhbwstuttgart/typedeployment/TypeInsertPoint.java

@@ -1,28 +0,0 @@
-package de.dhbwstuttgart.typedeployment;
-
-import org.antlr.v4.runtime.Token;
-
-import java.util.List;
-import java.util.stream.Collectors;
-
-public class TypeInsertPoint {
-    public final Token point;
-    private String insertString;
-
-    public TypeInsertPoint(Token point, String toInsert){
-        this.point = point;
-        this.insertString = (toInsert.endsWith(" ")) ? toInsert : toInsert + " " ;
-    }
-
-    public String insert(String intoSource, List<TypeInsertPoint> additionalOffset){
-        int offset = additionalOffset.stream().filter((token ->
-                //token.point.getLine() != point.getLine() && token.point.getCharPositionInLine() <= point.getCharPositionInLine()))
-                token.point.getStartIndex() <= point.getStartIndex()))
-                .mapToInt((typeInsertPoint -> typeInsertPoint.insertString.length())).sum();
-        return new StringBuilder(intoSource).insert(point.getStartIndex()+offset, insertString).toString();
-    }
-
-    public String getInsertString() {
-        return insertString;
-    }
-}

src/de/dhbwstuttgart/typeinference/assumptions/FieldAssumption.java

@@ -1,24 +0,0 @@
-package de.dhbwstuttgart.typeinference.assumptions;
-
-import de.dhbwstuttgart.syntaxtree.TypeScope;
-import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
-
-public class FieldAssumption extends Assumption{
-    private RefTypeOrTPHOrWildcardOrGeneric receiverType;
-    private RefTypeOrTPHOrWildcardOrGeneric type;
-
-    public FieldAssumption(RefTypeOrTPHOrWildcardOrGeneric receiverType,
-                           RefTypeOrTPHOrWildcardOrGeneric type, TypeScope scope){
-        super(scope);
-        this.type = type;
-        this.receiverType = receiverType;
-    }
-
-    public RefTypeOrTPHOrWildcardOrGeneric getReceiverType() {
-        return receiverType;
-    }
-
-    public RefTypeOrTPHOrWildcardOrGeneric getType() {
-        return type;
-    }
-}

src/de/dhbwstuttgart/typeinference/assumptions/MethodAssumption.java

@@ -1,36 +0,0 @@
-package de.dhbwstuttgart.typeinference.assumptions;
-
-import de.dhbwstuttgart.syntaxtree.ParameterList;
-import de.dhbwstuttgart.syntaxtree.TypeScope;
-import de.dhbwstuttgart.syntaxtree.statement.Assign;
-import de.dhbwstuttgart.syntaxtree.type.RefType;
-import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
-
-import java.util.List;
-import java.util.stream.Collectors;
-
-public class MethodAssumption extends Assumption{
-    private RefType receiver;
-    private RefTypeOrTPHOrWildcardOrGeneric retType;
-    List<RefTypeOrTPHOrWildcardOrGeneric> params;
-
-    public MethodAssumption(RefType receiver, RefTypeOrTPHOrWildcardOrGeneric retType,
-                            List<RefTypeOrTPHOrWildcardOrGeneric> params, TypeScope scope){
-        super(scope);
-        this.receiver = receiver;
-        this.retType = retType;
-        this.params = params;
-    }
-
-    public RefType getReceiverType() {
-        return receiver;
-    }
-
-    public RefTypeOrTPHOrWildcardOrGeneric getReturnType() {
-        return retType;
-    }
-
-    public List<RefTypeOrTPHOrWildcardOrGeneric> getArgTypes() {
-        return params;
-    }
-}

src/de/dhbwstuttgart/typeinference/constraints/Constraint.java

@@ -1,10 +0,0 @@
-package de.dhbwstuttgart.typeinference.constraints;
-
-import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
-
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.Set;
-
-public class Constraint<A> extends HashSet<A> {
-}

src/de/dhbwstuttgart/typeinference/constraints/ConstraintSet.java

@@ -1,55 +0,0 @@
-package de.dhbwstuttgart.typeinference.constraints;
-
-
-import de.dhbwstuttgart.typeinference.unify.GuavaSetOperations;
-import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
-
-import java.util.*;
-import java.util.function.Function;
-import java.util.stream.Collectors;
-
-public class ConstraintSet<A> {
-    Constraint<A> undConstraints = new Constraint<>();
-    List<Set<Constraint<A>>> oderConstraints = new ArrayList<>();
-
-    public void addUndConstraint(A p){
-        undConstraints.add(p);
-    }
-
-    public void addOderConstraint(Set<Constraint<A>> methodConstraints) {
-        oderConstraints.add(methodConstraints);
-    }
-
-    public void addAll(ConstraintSet constraints) {
-        this.undConstraints.addAll(constraints.undConstraints);
-        this.oderConstraints.addAll(constraints.oderConstraints);
-    }
-
-    @Override
-    public String toString(){
-        return cartesianProduct().toString();
-    }
-
-    public Set<List<Constraint<A>>> cartesianProduct(){
-        Set<Constraint<A>> toAdd = new HashSet<>();
-        toAdd.add(undConstraints);
-        List<Set<Constraint<A>>> allConstraints = new ArrayList<>();
-        allConstraints.add(toAdd);
-        allConstraints.addAll(oderConstraints);
-        return new GuavaSetOperations().cartesianProduct(allConstraints);
-    }
-
-    public <B> ConstraintSet<B> map(Function<? super A,? extends B> o) {
-        ConstraintSet<B> ret = new ConstraintSet<>();
-        ret.undConstraints = undConstraints.stream().map(o).collect(Collectors.toCollection(Constraint<B>::new));
-        List<Set<Constraint<B>>> newOder = new ArrayList<>();
-        for(Set<Constraint<A>> oderConstraint : oderConstraints){
-            newOder.add(
-                    oderConstraint.parallelStream().map((Constraint<A> as) ->
-                            as.stream().map(o).collect(Collectors.toCollection(Constraint<B>::new))).collect(Collectors.toSet())
-            );
-        }
-        ret.oderConstraints = newOder;
-        return ret;
-    }
-}

src/de/dhbwstuttgart/typeinference/constraints/ConstraintsFactory.java

@@ -1,58 +0,0 @@
-package de.dhbwstuttgart.typeinference.constraints;
-
-import de.dhbwstuttgart.exceptions.DebugException;
-import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
-import de.dhbwstuttgart.syntaxtree.TypeScope;
-import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
-import de.dhbwstuttgart.syntaxtree.type.RefType;
-import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
-import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
-import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceBlockInformation;
-import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-public class ConstraintsFactory {
-
-    public static Pair createPair(RefTypeOrTPHOrWildcardOrGeneric t1, RefTypeOrTPHOrWildcardOrGeneric t2,
-                                  PairOperator equalsdot, TypeScope currentScope, TypeScope additionalScope,
-                           GenericsResolver resolver){
-        //Check whether Generics are in the same class and resolve all other generics:
-        return new Pair(checkGeneric(t1, currentScope, additionalScope,resolver),
-                checkGeneric(t2, currentScope,additionalScope, resolver), equalsdot);
-    }
-    public static Pair createPair(RefTypeOrTPHOrWildcardOrGeneric t1,
-                                  RefTypeOrTPHOrWildcardOrGeneric t2, TypeScope currentScope, TypeScope additionalScope,
-                           GenericsResolver resolver){
-        return createPair(t1,t2,PairOperator.SMALLERDOT, currentScope, additionalScope, resolver);
-    }
-
-    private static RefTypeOrTPHOrWildcardOrGeneric checkGeneric(RefTypeOrTPHOrWildcardOrGeneric type,
-                                                         TypeScope currentScope, TypeScope additionalScope,
-                                                         GenericsResolver resolver){
-        if(type instanceof GenericRefType){
-            //TODO: Für Generics müssen auch noch Constraints generiert werden
-            for(GenericTypeVar genericTypeVar : currentScope.getGenerics()){
-                if(genericTypeVar.getName().toString().equals(((GenericRefType)type).getName().toString())){
-                    return new RefType(((GenericRefType)type).getName(),type.getOffset());
-                }
-            }
-            //Nicht in den Generics in diesem Kontext enthalten:
-            TypePlaceholder ret = null;
-            for(GenericTypeVar genericTypeVar : additionalScope.getGenerics()){
-                if(genericTypeVar.getName().equals(((GenericRefType)type).getName())){
-                    ret = resolver.resolve(genericTypeVar);
-                }
-            }
-            if(ret == null)
-                throw new DebugException("Der Generic " + ((GenericRefType) type).getName() + " kommt in keine TypeScope vor!");
-            return ret;
-        }else{
-            return type;
-        }
-    }
-
-}

src/de/dhbwstuttgart/typeinference/result/ResultPair.java

@@ -1,26 +0,0 @@
-package de.dhbwstuttgart.typeinference.result;
-
-import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
-
-/**
- * Paare, welche das Unifikationsergebnis darstellen
- */
-public abstract class ResultPair {
-    private final RefTypeOrTPHOrWildcardOrGeneric left;
-    private final RefTypeOrTPHOrWildcardOrGeneric right;
-
-    public abstract void accept(ResultSetVisitor visitor);
-
-    public ResultPair(RefTypeOrTPHOrWildcardOrGeneric left, RefTypeOrTPHOrWildcardOrGeneric right){
-        this.left = left;
-        this.right = right;
-    }
-
-    public RefTypeOrTPHOrWildcardOrGeneric getLeft() {
-        return left;
-    }
-
-    public RefTypeOrTPHOrWildcardOrGeneric getRight() {
-        return right;
-    }
-}

src/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java

@@ -1,382 +0,0 @@
-package de.dhbwstuttgart.typeinference.typeAlgo;
-
-//import com.sun.org.apache.xpath.internal.Arg;
-
-import de.dhbwstuttgart.exceptions.NotImplementedException;
-import de.dhbwstuttgart.exceptions.TypeinferenceException;
-import de.dhbwstuttgart.parser.NullToken;
-import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
-import 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.FunN;
-import de.dhbwstuttgart.syntaxtree.type.RefType;
-import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
-import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
-import de.dhbwstuttgart.typeinference.assumptions.FieldAssumption;
-import de.dhbwstuttgart.typeinference.assumptions.MethodAssumption;
-import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceBlockInformation;
-import de.dhbwstuttgart.typeinference.constraints.*;
-import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
-
-import java.util.*;
-import java.util.stream.Collectors;
-
-public class TYPEStmt implements StatementVisitor{
-
-    private final TypeInferenceBlockInformation info;
-    private final ConstraintSet constraintsSet = new ConstraintSet();
-
-    public TYPEStmt(TypeInferenceBlockInformation info){
-        this.info = info;
-    }
-
-    public ConstraintSet getConstraints() {
-        return constraintsSet;
-    }
-
-    private static GenericsResolver getResolverInstance(){
-        Map<GenericTypeVar, TypePlaceholder> map = new HashMap<>();
-        return generic -> {
-            if(map.containsKey(generic))return map.get(generic);
-            TypePlaceholder ret = TypePlaceholder.fresh(generic.getOffset());
-            map.put(generic, ret);
-            return ret;
-        };
-    }
-
-    private static TypeScope createTypeScope(ClassOrInterface cl, Method method) {
-        return null;
-    }
-
-    @Override
-    public void visit(ArgumentList arglist) {
-        for(int i = 0;i<arglist.getArguments().size();i++){
-            arglist.getArguments().get(i).accept(this);
-        }
-    }
-
-    @Override
-    public void visit(LambdaExpression lambdaExpression) {
-        TypePlaceholder tphRetType = TypePlaceholder.fresh(new NullToken());
-        List<RefTypeOrTPHOrWildcardOrGeneric> lambdaParams = lambdaExpression.params.getFormalparalist().stream().map((formalParameter -> formalParameter.getType())).collect(Collectors.toList());
-        //lambdaParams.add(tphRetType);
-        lambdaParams.add(0,tphRetType);
-        constraintsSet.addUndConstraint(
-                ConstraintsFactory.createPair(lambdaExpression.getType(),
-                        new FunN(lambdaParams),PairOperator.EQUALSDOT,info.getCurrentTypeScope(), createNullTypeScope(), getResolverInstance()));
-        constraintsSet.addUndConstraint(
-                ConstraintsFactory.createPair(lambdaExpression.getReturnType(),
-                        tphRetType,info.getCurrentTypeScope(), createNullTypeScope(), getResolverInstance()));
-
-        //Constraints des Bodys generieren:
-        TYPEStmt lambdaScope = new TYPEStmt(new TypeInferenceBlockInformation(info, lambdaExpression));
-        lambdaExpression.methodBody.accept(lambdaScope);
-        constraintsSet.addAll(lambdaScope.getConstraints());
-    }
-
-    @Override
-    public void visit(Assign assign) {
-        assign.lefSide.accept(this);
-        assign.rightSide.accept(this);
-        constraintsSet.addUndConstraint(ConstraintsFactory.createPair(
-                assign.rightSide.getType(), assign.lefSide.getType(), PairOperator.SMALLERDOT, info.getCurrentTypeScope(), createNullTypeScope(), getResolverInstance()));
-    }
-
-    @Override
-    public void visit(Binary binary) {
-        throw new NotImplementedException();
-    }
-
-    @Override
-    public void visit(Block block) {
-        for(Statement stmt : block.getStatements()){
-            stmt.accept(this);
-        }
-    }
-
-    @Override
-    public void visit(CastExpr castExpr) {
-        throw new NotImplementedException();
-    }
-
-    @Override
-    public void visit(EmptyStmt emptyStmt) {
-        //Nothing :)
-    }
-
-    @Override
-    public void visit(FieldVar fieldVar) {
-        fieldVar.receiver.accept(this);
-        Set<Constraint> oderConstraints = new HashSet<>();
-        for(FieldAssumption fieldAssumption : info.getFields(fieldVar.fieldVarName)){
-            Constraint constraint = new Constraint();
-            GenericsResolver resolver = getResolverInstance();
-            constraint.add(ConstraintsFactory.createPair(
-                    fieldVar.receiver.getType(),fieldAssumption.getReceiverType(), info.getCurrentTypeScope(), fieldAssumption.getTypeScope(), resolver));
-            constraint.add(ConstraintsFactory.createPair(
-                    fieldVar.getType(),fieldAssumption.getType(), info.getCurrentTypeScope(), fieldAssumption.getTypeScope(), resolver));
-            oderConstraints.add(constraint);
-        }
-        if(oderConstraints.size() == 0)
-            throw new TypeinferenceException("Kein Feld "+fieldVar.fieldVarName+ " gefunden", fieldVar.getOffset());
-        constraintsSet.addOderConstraint(oderConstraints);
-    }
-
-    @Override
-    public void visit(ForStmt forStmt) {
-        throw new NotImplementedException();
-    }
-
-    @Override
-    public void visit(IfStmt ifStmt) {
-        throw new NotImplementedException();
-    }
-
-    @Override
-    public void visit(InstanceOf instanceOf) {
-        throw new NotImplementedException();
-    }
-
-    @Override
-    public void visit(LocalVar localVar) {
-        // Es werden nur bei Feldvariablen Constraints generiert. Lokale Variablen sind eindeutig
-    }
-
-    @Override
-    public void visit(LocalVarDecl localVarDecl) {
-        //Hier ist nichts zu tun. Allen lokalen Variablen bekommen beim parsen schon den korrekten Typ
-    }
-
-    @Override
-    public void visit(MethodCall methodCall) {
-        methodCall.receiver.accept(this);
-        //Overloading:
-        Set<Constraint> methodConstraints = new HashSet<>();
-        for(MethodAssumption m : this.getMethods(methodCall.name, methodCall.arglist, info)){
-            GenericsResolver resolver = getResolverInstance();
-            TypeScope additionalScope = m.getTypeScope();
-            methodConstraints.add(generateConstraint(methodCall, m, info, getResolverInstance()));
-        }
-        if(methodConstraints.size()<1){
-            throw new TypeinferenceException("Methode "+methodCall.name+" ist nicht vorhanden!",methodCall.getOffset());
-        }
-        constraintsSet.addOderConstraint(methodConstraints);
-    }
-
-    @Override
-    public void visit(NewClass methodCall) {
-        //Overloading:
-        Set<Constraint> methodConstraints = new HashSet<>();
-        for(MethodAssumption m : this.getConstructors(info, (RefType) methodCall.getType(), methodCall.getArgumentList())){
-            methodConstraints.add(generateConstructorConstraint(methodCall, m, info, getResolverInstance()));
-        }
-        if(methodConstraints.size()<1){
-            throw new TypeinferenceException("Konstruktor in Klasse "+methodCall.getType().toString()+" ist nicht vorhanden!",methodCall.getOffset());
-        }
-        constraintsSet.addOderConstraint(methodConstraints);
-    }
-
-    @Override
-    public void visit(NewArray newArray) {
-        throw new NotImplementedException();
-    }
-
-    @Override
-    public void visit(Receiver receiver) {
-        receiver.expr.accept(this);
-    }
-
-    @Override
-    public void visit(Return returnExpr) {
-        returnExpr.retexpr.accept(this);
-        constraintsSet.addUndConstraint(ConstraintsFactory.createPair(
-                returnExpr.getType(),info.getCurrentTypeScope().getReturnType(), PairOperator.EQUALSDOT,
-                info.getCurrentTypeScope(), createNullTypeScope(), getResolverInstance()));
-    }
-
-    @Override
-    public void visit(ReturnVoid aReturn) {
-        visit((Return) aReturn);
-    }
-
-    @Override
-    public void visit(StaticClassName staticClassName) {
-        //Hier entstehen keine Constraints
-    }
-
-    @Override
-    public void visit(Super aSuper) {
-        throw new NotImplementedException();
-    }
-
-    @Override
-    public void visit(This aThis) {
-        constraintsSet.addUndConstraint(ConstraintsFactory.createPair(
-                aThis.getType(), info.getCurrentClass().getType(), PairOperator.EQUALSDOT, info.getCurrentTypeScope(),
-                createNullTypeScope(), getResolverInstance()));
-    }
-
-    private static TypeScope createNullTypeScope() {
-        return new TypeScope() {
-            @Override
-            public Iterable<? extends GenericTypeVar> getGenerics() {
-                return new ArrayList<>();
-            }
-
-            @Override
-            public RefTypeOrTPHOrWildcardOrGeneric getReturnType() {
-                return null;
-            }
-        };
-    }
-
-    @Override
-    public void visit(UnaryPlus unaryPlus) {
-        throw new NotImplementedException();
-    }
-
-    @Override
-    public void visit(WhileStmt whileStmt) {
-        throw new NotImplementedException();
-    }
-
-    @Override
-    public void visit(DoStmt whileStmt) {
-        throw new NotImplementedException();
-    }
-
-    @Override
-    public void visit(Null aNull) {
-        throw new NotImplementedException();
-    }
-
-    @Override
-    public void visit(Literal literal) {
-        //Hier gibt es nichts zu tun
-        //throw new NotImplementedException();
-    }
-
-    @Override
-    public void visit(AssignToField assignLeftSide) {
-        //Hier ist kein Code nötig. Es werden keine extra Constraints generiert
-    }
-
-    @Override
-    public void visit(AssignToLocal assignLeftSide) {
-        //Hier ist kein Code nötig. Es werden keine extra Constraints generiert
-    }
-
-    @Override
-    public void visit(SuperCall superCall) {
-        //TODO: Für einen super-Call werden keine Constraints erzeugt bisher
-    }
-
-    /*
-    METHOD CALL Section:
-     */
-
-    protected Constraint<Pair> generateConstraint(MethodCall forMethod, MethodAssumption assumption,
-                                                  TypeInferenceBlockInformation info, GenericsResolver resolver){
-        Constraint methodConstraint = new Constraint();
-        methodConstraint.add(ConstraintsFactory.createPair(forMethod.receiver.getType(), assumption.getReceiverType(),
-                PairOperator.SMALLERDOT, info.getCurrentTypeScope(), assumption.getTypeScope(), resolver));
-        methodConstraint.add(ConstraintsFactory.createPair(assumption.getReturnType(), forMethod.getType(),
-                PairOperator.EQUALSDOT, info.getCurrentTypeScope(), assumption.getTypeScope(), resolver));
-        methodConstraint.addAll(generateParameterConstraints(forMethod, assumption, info, resolver));
-        return methodConstraint;
-    }
-
-    protected Set<Pair> generateParameterConstraints(MethodCall foMethod, MethodAssumption assumption,
-                                                     TypeInferenceBlockInformation info, GenericsResolver resolver) {
-        Set<Pair> ret = new HashSet<>();
-        for(int i = 0;i<foMethod.arglist.getArguments().size();i++){
-            foMethod.arglist.getArguments().get(i).accept(this);
-            ret.add(ConstraintsFactory.createPair(foMethod.arglist.getArguments().get(i).getType(),
-                    assumption.getArgTypes().get(i), PairOperator.SMALLERDOT, info.getCurrentTypeScope(), assumption.getTypeScope(), resolver));
-        }
-        return ret;
-    }
-
-
-    public static List<MethodAssumption> getMethods(String name, int numArgs, TypeInferenceBlockInformation info) {
-        List<MethodAssumption> ret = new ArrayList<>();
-        if(name.equals("apply")){
-            List<RefTypeOrTPHOrWildcardOrGeneric> funNParams = new ArrayList<>();
-            for(int i = 0; i< numArgs + 1 ; i++){
-                funNParams.add(TypePlaceholder.fresh(new NullToken()));
-            }
-            ret.add(new MethodAssumption(new FunN(funNParams), funNParams.get(0), funNParams.subList(1, funNParams.size()),
-                    new TypeScope() {
-                        @Override
-                        public Iterable<? extends GenericTypeVar> getGenerics() {
-                            throw new NotImplementedException();
-                        }
-
-                        @Override
-                        public RefTypeOrTPHOrWildcardOrGeneric getReturnType() {
-                            throw new NotImplementedException();
-                        }
-                    }));
-        }
-        for(ClassOrInterface cl : info.getAvailableClasses()){
-            for(Method m : cl.getMethods()){
-                if(m.getName().equals(name) &&
-                        m.getParameterList().getFormalparalist().size() == numArgs){
-                    RefTypeOrTPHOrWildcardOrGeneric retType = info.checkGTV(m.getType());
-
-                    ret.add(new MethodAssumption(cl.getType(), retType, convertParams(m.getParameterList(),info),
-                           createTypeScope(cl, m)));
-                }
-            }
-        }
-        return ret;
-    }
-
-    public static List<MethodAssumption> getMethods(String name, ArgumentList arglist, TypeInferenceBlockInformation info) {
-        return getMethods(name, arglist.getArguments().size(), info);
-    }
-
-    protected static List<RefTypeOrTPHOrWildcardOrGeneric> convertParams(ParameterList parameterList, TypeInferenceBlockInformation info){
-        //TODO: Hier müssen die Parameter mit den TPHs in den GEnerics des Receivers verknüpft werden
-        /*
-        BEispiel:
-        auto test = new List<String>();
-        test.add("hallo");
-
-        Hier kriegt der Receiver ja den COnstraint TPH REceiver <. List<TPH A>
-        Dann mus bei dem Parameter der COnstraint entstehen: TPH A <. String
-         */
-        List<RefTypeOrTPHOrWildcardOrGeneric> params = new ArrayList<>();
-        for(FormalParameter fp : parameterList.getFormalparalist()){
-            params.add(info.checkGTV(fp.getType()));
-        }
-        return params;
-    }
-
-    public List<MethodAssumption> getConstructors(TypeInferenceBlockInformation info, RefType ofType, ArgumentList argList){
-        List<MethodAssumption> ret = new ArrayList<>();
-        for(ClassOrInterface cl : info.getAvailableClasses()){
-            if(cl.getClassName().equals(ofType.getName())){
-                for(Method m : cl.getConstructors()){
-                    if(m.getParameterList().getFormalparalist().size() == argList.getArguments().size()){
-                        ret.add(new MethodAssumption(cl.getType(), ofType, convertParams(m.getParameterList(),
-                                info), createTypeScope(cl, m)));
-                    }
-                }
-            }
-        }
-        return ret;
-    }
-
-    protected Constraint<Pair> generateConstructorConstraint(NewClass forConstructor, MethodAssumption assumption,
-                                                             TypeInferenceBlockInformation info, GenericsResolver resolver){
-        Constraint methodConstraint = new Constraint();
-        methodConstraint.add(ConstraintsFactory.createPair(assumption.getReturnType(), forConstructor.getType(),
-                PairOperator.SMALLERDOT, info.getCurrentTypeScope(), assumption.getTypeScope(), resolver));
-        methodConstraint.addAll(generateParameterConstraints(forConstructor, assumption, info, resolver));
-        return methodConstraint;
-    }
-
-}

src/de/dhbwstuttgart/typeinference/unify/TypeUnify.java

@@ -1,24 +0,0 @@
-package de.dhbwstuttgart.typeinference.unify;
-
-import java.util.Set;
-import java.util.concurrent.ForkJoinPool;
-
-import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
-import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
-
-public class TypeUnify {
-	public Set<Set<UnifyPair>> unify(Set<UnifyPair> eq, IFiniteClosure fc) {
-		TypeUnifyTask unifyTask = new TypeUnifyTask(eq, fc, true);
-		ForkJoinPool pool = new ForkJoinPool();
-		pool.invoke(unifyTask);
-		Set<Set<UnifyPair>> res =  unifyTask.join();
-		return res;
-	}
-	
-	public Set<Set<UnifyPair>> unifySequential(Set<UnifyPair> eq, IFiniteClosure fc) {
-		TypeUnifyTask unifyTask = new TypeUnifyTask(eq, fc, false);
-		Set<Set<UnifyPair>> res = unifyTask.compute();
-		return res;
-	}
-
-}

src/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java

@@ -1,634 +0,0 @@
-package de.dhbwstuttgart.typeinference.unify;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.LinkedHashSet;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map.Entry;
-import java.util.Optional;
-import java.util.Set;
-import java.util.concurrent.RecursiveTask;
-import java.util.stream.Collectors;
-
-import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
-import de.dhbwstuttgart.typeinference.unify.interfaces.IRuleSet;
-import de.dhbwstuttgart.typeinference.unify.interfaces.ISetOperations;
-import de.dhbwstuttgart.typeinference.unify.interfaces.IUnify;
-import de.dhbwstuttgart.typeinference.unify.model.ExtendsType;
-import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
-import de.dhbwstuttgart.typeinference.unify.model.PlaceholderType;
-import de.dhbwstuttgart.typeinference.unify.model.SuperType;
-import de.dhbwstuttgart.typeinference.unify.model.TypeParams;
-import de.dhbwstuttgart.typeinference.unify.model.Unifier;
-import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
-import de.dhbwstuttgart.typeinference.unify.model.UnifyType;
-
-
-/**
- * Implementation of the type unification algorithm
- * @author Florian Steurer
- */
-public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
-
-	private static final long serialVersionUID = 1L;
-
-	/**
-	 * The implementation of setOps that will be used during the unification
-	 */
-	protected ISetOperations setOps = new GuavaSetOperations();
-	
-	/**
-	 * The implementation of the standard unify that will be used during the unification
-	 */
-	protected IUnify stdUnify = new MartelliMontanariUnify();
-	
-	/**
-	 * The implementation of the rules that will be used during the unification.
-	 */
-	protected IRuleSet rules = new RuleSet();
-	
-	protected Set<UnifyPair> eq;
-	
-	protected IFiniteClosure fc;
-	
-	protected boolean parallel;
-	
-	public TypeUnifyTask(Set<UnifyPair> eq, IFiniteClosure fc, boolean parallel) {
-		this.eq = eq;
-		this.fc = fc;
-		this.parallel = parallel;
-	}
-
-	@Override
-	protected Set<Set<UnifyPair>> compute() {
-		return unify(eq, fc, parallel);
-	}
-	
-	/**
-	 * Computes all principal type unifiers for a set of constraints.
-	 * @param eq The set of constraints
-	 * @param fc The finite closure
-	 * @return The set of all principal type unifiers
-	 */
-	protected Set<Set<UnifyPair>> unify(Set<UnifyPair> eq, IFiniteClosure fc, boolean parallel) {
-		/*
-		 * Step 1: Repeated application of reduce, adapt, erase, swap 
-		 */
-		Set<UnifyPair> eq0 = applyTypeUnificationRules(eq, fc);
-
-		/*
-		 * Step 2 and 3: Create a subset eq1s of pairs where both sides are TPH and eq2s of the other pairs
-		 */
-		Set<UnifyPair> eq1s = new HashSet<>();
-		Set<UnifyPair> eq2s = new HashSet<>();
-		splitEq(eq0, eq1s, eq2s);
-		
-		/*
-		 * Step 4: Create possible typings
-		 * 
-		 * "Manche Autoren identifizieren die Paare (a, (b,c)) und ((a,b),c) 
-		 * mit dem geordneten Tripel (a,b,c), wodurch das kartesische Produkt auch assoziativ wird." - Wikipedia
-		 */
-		
-		// There are up to 10 toplevel set. 8 of 10 are the result of the 
-		// cartesian product of the sets created by pattern matching.
-		List<Set<Set<UnifyPair>>> topLevelSets = new ArrayList<>();
-		
-		if(eq1s.size() != 0) { // Do not add empty sets or the cartesian product will always be empty.
-			Set<Set<UnifyPair>> wrap = new HashSet<>();
-			wrap.add(eq1s);
-			topLevelSets.add(wrap); // Add Eq1'
-		}
-
-		// Add the set of [a =. Theta | (a=. Theta) in Eq2']
-		Set<UnifyPair> bufferSet = eq2s.stream() 
-				.filter(x -> x.getPairOp() == PairOperator.EQUALSDOT && x.getLhsType() instanceof PlaceholderType)
-				.collect(Collectors.toSet());
-		
-		if(bufferSet.size() != 0) { // Do not add empty sets or the cartesian product will always be empty.
-			Set<Set<UnifyPair>> wrap = new HashSet<>();
-			wrap.add(bufferSet);
-			topLevelSets.add(wrap);
-			eq2s.removeAll(bufferSet);
-		}
-		
-		// Sets that originate from pair pattern matching
-		// Sets of the "second level"
-		Set<UnifyPair> undefinedPairs = new HashSet<>();
-		Set<Set<Set<Set<UnifyPair>>>> secondLevelSets = calculatePairSets(eq2s, fc, undefinedPairs);
-		                                                //PL 2017-09-20: Im calculatePairSets wird möglicherweise O .< java.lang.Integer 
-		                                                //nicht ausgewertet Faculty Beispiel im 1. Schritt
-		                                                //PL 2017-10-03 geloest, muesste noch mit FCs mit kleineren
-		                                                //Typen getestet werden.
-		// If pairs occured that did not match one of the cartesian product cases,
-		// those pairs are contradictory and the unification is impossible.
-		if(!undefinedPairs.isEmpty())
-			return new HashSet<>();
-		
-		/* Up to here, no cartesian products are calculated.
-		 * filters for pairs and sets can be applied here */
-		
-		// Sub cartesian products of the second level (pattern matched) sets
-		// "the big (x)"
-		for(Set<Set<Set<UnifyPair>>> secondLevelSet : secondLevelSets) {
-			List<Set<Set<UnifyPair>>> secondLevelSetList = new ArrayList<>(secondLevelSet);
-			Set<List<Set<UnifyPair>>> cartResult = setOps.cartesianProduct(secondLevelSetList);
-			
-			// Flatten and add to top level sets
-			Set<Set<UnifyPair>> flat = new HashSet<>();
-			for(List<Set<UnifyPair>> s : cartResult) {
-				Set<UnifyPair> flat1 = new HashSet<>();
-				for(Set<UnifyPair> s1 : s)
-					flat1.addAll(s1);
-				flat.add(flat1);
-			}
-			topLevelSets.add(flat);
-		}
-		
-		// Cartesian product over all (up to 10) top level sets 
-		Set<Set<Set<UnifyPair>>> eqPrimeSet = setOps.cartesianProduct(topLevelSets)
-				.stream().map(x -> new HashSet<>(x))
-				.collect(Collectors.toCollection(HashSet::new));
-
-		Set<Set<UnifyPair>> eqPrimePrimeSet = new HashSet<>();
-		
-		Set<TypeUnifyTask> forks = new HashSet<>();
-		for(Set<Set<UnifyPair>> setToFlatten : eqPrimeSet) {
-			// Flatten the cartesian product
-			Set<UnifyPair> eqPrime = new HashSet<>();
-			setToFlatten.stream().forEach(x -> eqPrime.addAll(x));
-
-			/*
-			 * Step 5: Substitution
-			 */
-			Optional<Set<UnifyPair>> eqPrimePrime = rules.subst(eqPrime);
-			
-			/*
-			 * Step 6 a) Restart (fork) for pairs where subst was applied
-			 */
-			if(parallel) {
-				if //(eqPrime.equals(eq))         //PL 2017-09-29 auskommentiert und durch 
-					(!eqPrimePrime.isPresent())   //PL 2071-09-29 dies ersetzt 
-					                              //Begruendung: Wenn in der Substitution keine Veraenderung
-					                              //(!eqPrimePrime.isPresent()) erfolgt ist, ist das Ergebnis erzielt.
-					eqPrimePrimeSet.add(eqPrime);
-				else if(eqPrimePrime.isPresent()) {
-					TypeUnifyTask fork = new TypeUnifyTask(eqPrimePrime.get(), fc, true);
-					forks.add(fork);
-					fork.fork();
-				}
-				else {
-					TypeUnifyTask fork = new TypeUnifyTask(eqPrime, fc, true);
-					forks.add(fork);
-					fork.fork();
-				}
-			}
-			else { // sequentiell (Step 6b is included)
-				if //(eqPrime.equals(eq))         //PL 2017-09-29 auskommentiert und durch 
-				(!eqPrimePrime.isPresent())       //PL 2071-09-29 dies ersetzt 
-                                                  //Begruendung: Wenn in der Substitution keine Veraenderung
-                                                  //(!eqPrimePrime.isPresent()) erfolgt ist, ist das Ergebnis erzielt.
-					eqPrimePrimeSet.add(eqPrime);
-				else if(eqPrimePrime.isPresent())
-					eqPrimePrimeSet.addAll(unify(eqPrimePrime.get(), fc, false));
-				else 
-					eqPrimePrimeSet.addAll(unify(eqPrime, fc, false));
-			}
-		}
-		
-		/*
-		 * 	Step 6 b) Build the union over everything.
-		 */
-		
-		if(parallel)
-			for(TypeUnifyTask fork : forks) 
-				eqPrimePrimeSet.addAll(fork.join());
-		
-		 /*
-		  * Step 7: Filter empty sets;
-		  */
-		return eqPrimePrimeSet.stream().filter(x -> isSolvedForm(x)).collect(Collectors.toCollection(HashSet::new));
-		
-	}
-	
-	/**
-	 * Checks whether a set of pairs is in solved form.
-	 * @param eqPrimePrime The set of pair
-	 * @return True if in solved form,  false otherwise.
-	 */
-	protected boolean isSolvedForm(Set<UnifyPair> eqPrimePrime) {
-		for(UnifyPair pair : eqPrimePrime) {
-			UnifyType lhsType = pair.getLhsType();
-			UnifyType rhsType = pair.getRhsType();
-			
-			if(!(lhsType instanceof PlaceholderType))
-				return false;
-			
-			// If operator is not equals, both sides must be placeholders
-			if(pair.getPairOp() != PairOperator.EQUALSDOT && !(rhsType instanceof PlaceholderType))
-				return false;
-		}
-		return true;
-	}
-	
-	/**
-	 * Repeatedly applies type unification rules to a set of equations. 
-	 * This is step one of the unification algorithm.
-	 * @return The set of pairs that results from repeated application of the inference rules.
-	 */
-	protected Set<UnifyPair> applyTypeUnificationRules(Set<UnifyPair> eq, IFiniteClosure fc) {
-		
-		/*
-		 * Rule Application Strategy:
-		 * 
-		 * 1. 	Swap all pairs and erase all erasable pairs
-		 * 2. 	Apply all possible rules to a single pair, then move it to the result set.
-		 *    	Iterating over pairs first, then iterating over rules prevents the application
-		 *    	of rules to a "finished" pair over and over.
-		 * 2.1 	Apply all rules repeatedly except for erase rules. If
-		 * 		the application of a rule creates new pairs, check immediately
-		 * 		against the erase rules.
-		 */
-		
-		
-		LinkedHashSet<UnifyPair> targetSet = new LinkedHashSet<UnifyPair>();
-		LinkedList<UnifyPair> eqQueue = new LinkedList<>();
-		
-		/*
-		 * Swap all pairs and erase all erasable pairs
-		 */
-		eq.forEach(x -> swapAddOrErase(x, fc, eqQueue));
-		
-		/*
-		 * Apply rules until the queue is empty
-		 */
-		while(!eqQueue.isEmpty()) {
-			UnifyPair pair = eqQueue.pollFirst();
-
-			// ReduceUp, ReduceLow, ReduceUpLow
-			Optional<UnifyPair> opt = rules.reduceUpLow(pair);
-			opt = opt.isPresent() ? opt : rules.reduceLow(pair);
-			opt = opt.isPresent() ? opt : rules.reduceUp(pair);
-			opt = opt.isPresent() ? opt : rules.reduceWildcardLow(pair);
-			opt = opt.isPresent() ? opt : rules.reduceWildcardLowRight(pair);
-			opt = opt.isPresent() ? opt : rules.reduceWildcardUp(pair);
-			opt = opt.isPresent() ? opt : rules.reduceWildcardUpRight(pair);
-			opt = opt.isPresent() ? opt : rules.reduceWildcardLowUp(pair);
-			opt = opt.isPresent() ? opt : rules.reduceWildcardUpLow(pair);
-			opt = opt.isPresent() ? opt : rules.reduceWildcardLeft(pair);
-			
-			// Reduce TPH
-			opt = opt.isPresent() ? opt : rules.reduceTph(pair);
-			
-			// One of the rules has been applied
-			if(opt.isPresent()) {
-				swapAddOrErase(opt.get(), fc, eqQueue);
-				continue;
-			}
-			
-			// Reduce1, Reduce2, ReduceExt, ReduceSup, ReduceEq
-			Optional<Set<UnifyPair>> optSet = rules.reduce1(pair, fc);
-			optSet = optSet.isPresent() ? optSet : rules.reduce2(pair);
-			optSet = optSet.isPresent() ? optSet : rules.reduceExt(pair, fc);
-			optSet = optSet.isPresent() ? optSet : rules.reduceSup(pair, fc);
-			optSet = optSet.isPresent() ? optSet : rules.reduceEq(pair);
-			
-			// ReduceTphExt, ReduceTphSup
-			optSet = optSet.isPresent() ? optSet : rules.reduceTphExt(pair);
-			optSet = optSet.isPresent() ? optSet : rules.reduceTphSup(pair);
-
-			
-			// FunN Rules
-			optSet = optSet.isPresent() ? optSet : rules.reduceFunN(pair);
-			optSet = optSet.isPresent() ? optSet : rules.greaterFunN(pair);
-			optSet = optSet.isPresent() ? optSet : rules.smallerFunN(pair);
-			
-			// One of the rules has been applied
-			if(optSet.isPresent()) {
-				optSet.get().forEach(x -> swapAddOrErase(x, fc, eqQueue));
-				continue;
-			}
-			
-			// Adapt, AdaptExt, AdaptSup
-			opt = rules.adapt(pair, fc);
-			opt = opt.isPresent() ? opt : rules.adaptExt(pair,  fc);
-			opt = opt.isPresent() ? opt : rules.adaptSup(pair, fc);
-			
-			// One of the rules has been applied
-			if(opt.isPresent()) {
-				swapAddOrErase(opt.get(), fc, eqQueue);
-				continue;
-			}
-			
-			// None of the rules has been applied
-			targetSet.add(pair);
-		}
-		
-		return targetSet;
-	}
-	
-	/**
-	 * Applies the rule swap to a pair if possible. Then adds the pair to the set if no erase rule applies.
-	 * If an erase rule applies, the pair is not added (erased).
-	 * @param pair The pair to swap and add or erase.
-	 * @param collection The collection to which the pairs are added.
-	 */
-	protected void swapAddOrErase(UnifyPair pair, IFiniteClosure fc, Collection<UnifyPair> collection) {
-		Optional<UnifyPair> opt = rules.swap(pair);
-		UnifyPair pair2 = opt.isPresent() ? opt.get() : pair;
-		
-		if(rules.erase1(pair2, fc) || rules.erase3(pair2) || rules.erase2(pair2, fc))
-			return;
-		
-		collection.add(pair2);
-	}
-	
-	/**
-	 * Splits the equation eq into a set eq1s where both terms are type variables,
-	 * and a set eq2s where one of both terms is not a type variable.
-	 * @param eq Set of pairs to be splitted.
-	 * @param eq1s Subset of eq where both terms are type variables.
-	 * @param eq2s eq/eq1s.
-	 */
-	protected void splitEq(Set<UnifyPair> eq, Set<UnifyPair> eq1s, Set<UnifyPair> eq2s) {
-		for(UnifyPair pair : eq) 
-			if(pair.getLhsType() instanceof PlaceholderType && pair.getRhsType() instanceof PlaceholderType)
-				eq1s.add(pair);
-			else
-				eq2s.add(pair);
-	}
-	
-	/**
-	 * Creates sets of pairs specified in the fourth step. Does not calculate cartesian products.
-	 * @param undefined All pairs that did not match one of the 8 cases are added to this set.
-	 * @return The set of the eight cases (without empty sets). Each case is a set, containing sets generated
-	 * from the pairs that matched the case. Each generated set contains singleton sets or sets with few elements
-	 * (as in case 1 where sigma is added to the innermost set).
-	 */
-	protected Set<Set<Set<Set<UnifyPair>>>> calculatePairSets(Set<UnifyPair> eq2s, IFiniteClosure fc, Set<UnifyPair> undefined) {
-		List<Set<Set<Set<UnifyPair>>>> result = new ArrayList<>(8);
-
-		// Init all 8 cases
-		for(int i = 0; i < 8; i++)
-			result.add(new HashSet<>());
-		
-		for(UnifyPair pair : eq2s) {
-			PairOperator pairOp = pair.getPairOp();
-			UnifyType lhsType = pair.getLhsType();
-			UnifyType rhsType = pair.getRhsType();
-	
-			// Case 1: (a <. Theta')
-			if(pairOp == PairOperator.SMALLERDOT && lhsType instanceof PlaceholderType)
-				result.get(0).add(unifyCase1((PlaceholderType) pair.getLhsType(), pair.getRhsType(), fc));
-			
-			// Case 2: (a <.? ? ext Theta')
-			else if(pairOp == PairOperator.SMALLERDOTWC && lhsType instanceof PlaceholderType && rhsType instanceof ExtendsType)
-				result.get(1).add(unifyCase2((PlaceholderType) pair.getLhsType(), (ExtendsType) pair.getRhsType(), fc));
-			
-			// Case 3: (a <.? ? sup Theta')
-			else if(pairOp == PairOperator.SMALLERDOTWC && lhsType instanceof PlaceholderType && rhsType instanceof SuperType)
-				result.get(2).add(unifyCase3((PlaceholderType) lhsType, (SuperType) rhsType, fc));
-			
-			// Case 4 was replaced by an inference rule
-			// Case 4: (a <.? Theta')
-			//else if(pairOp == PairOperator.SMALLERDOTWC && lhsType instanceof PlaceholderType)
-			//	result.get(3).add(unifyCase4((PlaceholderType) lhsType, rhsType, fc));
-				
-			// Case 5: (Theta <. a)
-			else if(pairOp == PairOperator.SMALLERDOT && rhsType instanceof PlaceholderType)
-				result.get(4).add(unifyCase5(lhsType, (PlaceholderType) rhsType, fc));
-			
-			// Case 6 was replaced by an inference rule.
-			// Case 6: (? ext Theta <.? a)
-			//else if(pairOp == PairOperator.SMALLERDOTWC && lhsType instanceof ExtendsType && rhsType instanceof PlaceholderType)
-			//	result.get(5).add(unifyCase6((ExtendsType) lhsType, (PlaceholderType) rhsType, fc));
-
-			// Case 7 was replaced by an inference rule
-			// Case 7: (? sup Theta <.? a)
-			//else if(pairOp == PairOperator.SMALLERDOTWC && lhsType instanceof SuperType && rhsType instanceof PlaceholderType)
-			//	result.get(6).add(unifyCase7((SuperType) lhsType, (PlaceholderType) rhsType, fc));
-			
-			// Case 8: (Theta <.? a)
-			else if(pairOp == PairOperator.SMALLERDOTWC && rhsType instanceof PlaceholderType)
-				result.get(7).add(unifyCase8(lhsType, (PlaceholderType) rhsType, fc));
-			// Case unknown: If a pair fits no other case, then the type unification has failed.
-			// Through application of the rules, every pair should have one of the above forms.
-			// Pairs that do not have one of the aboves form are contradictory.
-			else {
-				// If a pair is not defined, the unificiation will fail, so the loop can be stopped here.
-				undefined.add(pair); 
-				break;
-			}
-		}
-		
-		// Filter empty sets or sets that only contain an empty set.
-		return result.stream().map(x -> x.stream().filter(y -> y.size() > 0).collect(Collectors.toCollection(HashSet::new)))
-				.filter(x -> x.size() > 0).collect(Collectors.toCollection(HashSet::new));
-	}
-	
-	/**
-	 * Cartesian product Case 1: (a <. Theta') 
-	 */
-	protected Set<Set<UnifyPair>> unifyCase1(PlaceholderType a, UnifyType thetaPrime, IFiniteClosure fc) {
-		Set<Set<UnifyPair>> result = new HashSet<>();
-		
-		boolean allGen = thetaPrime.getTypeParams().size() > 0;
-		for(UnifyType t : thetaPrime.getTypeParams())
-			if(!(t instanceof PlaceholderType) || !((PlaceholderType) t).isGenerated()) {
-				allGen = false;
-				break;
-			}
-		
-		Set<UnifyType> cs = fc.getAllTypesByName(thetaPrime.getName());
-		cs.add(thetaPrime);
-		
-		for(UnifyType c : cs) {
-			Set<UnifyType> thetaQs = fc.getChildren(c).stream().collect(Collectors.toCollection(HashSet::new));
-		    thetaQs.add(thetaPrime); //PL 2017-10-03: War auskommentiert habe ich wieder einkommentiert, 
-		                             //da children offensichtlich ein echtes kleiner und kein kleinergleich ist
-			Set<UnifyType> thetaQPrimes = new HashSet<>();
-			TypeParams cParams = c.getTypeParams();
-			if(cParams.size() == 0)
-				thetaQPrimes.add(c);
-			else {
-				ArrayList<Set<UnifyType>> candidateParams = new ArrayList<>();
-				
-				for(UnifyType param : cParams)
-					candidateParams.add(fc.grArg(param));
-			
-				for(TypeParams tp : permuteParams(candidateParams))
-					thetaQPrimes.add(c.setTypeParams(tp));
-			}
-			
-			for(UnifyType tqp : thetaQPrimes) {
-				Optional<Unifier> opt = stdUnify.unify(tqp, thetaPrime);
-				if (!opt.isPresent())
-					continue;
-				
-				Unifier unifier = opt.get();
-				unifier.swapPlaceholderSubstitutions(thetaPrime.getTypeParams());
-				Set<UnifyPair> substitutionSet = new HashSet<>();
-				for (Entry<PlaceholderType, UnifyType> sigma : unifier)
-					substitutionSet.add(new UnifyPair(sigma.getKey(), sigma.getValue(), PairOperator.EQUALSDOT));
-				
-				List<UnifyType> freshTphs = new ArrayList<>();
-				for (UnifyType tq : thetaQs) {
-					Set<UnifyType> smaller = fc.smaller(unifier.apply(tq));
-					for(UnifyType theta : smaller) {
-						Set<UnifyPair> resultPrime = new HashSet<>();
-						
-						for(int i = 0; !allGen && i < theta.getTypeParams().size(); i++) {
-							if(freshTphs.size()-1 < i)
-								freshTphs.add(PlaceholderType.freshPlaceholder());
-							resultPrime.add(new UnifyPair(freshTphs.get(i), theta.getTypeParams().get(i), PairOperator.SMALLERDOTWC));
-						}
-						
-						if(allGen)
-							resultPrime.add(new UnifyPair(a, theta, PairOperator.EQUALSDOT));
-						else 
-							resultPrime.add(new UnifyPair(a, theta.setTypeParams(new TypeParams(freshTphs.toArray(new UnifyType[0]))), PairOperator.EQUALSDOT));
-						resultPrime.addAll(substitutionSet);
-						result.add(resultPrime);
-					}
-				}
-
-			}
-		}
-		
-		return result;
-	}
-	
-	/**
-	 * Cartesian Product Case 2: (a <.? ? ext Theta')
-	 */
-	private Set<Set<UnifyPair>> unifyCase2(PlaceholderType a, ExtendsType extThetaPrime, IFiniteClosure fc) {
-		Set<Set<UnifyPair>> result = new HashSet<>();
-		
-		UnifyType aPrime = PlaceholderType.freshPlaceholder();
-		UnifyType extAPrime = new ExtendsType(aPrime);
-		UnifyType thetaPrime = extThetaPrime.getExtendedType();
-		Set<UnifyPair> resultPrime = new HashSet<>();
-		resultPrime.add(new UnifyPair(a, thetaPrime, PairOperator.SMALLERDOT));
-		result.add(resultPrime);
-			
-		resultPrime = new HashSet<>();
-		resultPrime.add(new UnifyPair(a, extAPrime, PairOperator.EQUALSDOT));
-		resultPrime.add(new UnifyPair(aPrime, thetaPrime, PairOperator.SMALLERDOT));
-		result.add(resultPrime);
-		return result;
-	}
-	
-	/**
-	 * Cartesian Product Case 3: (a <.? ? sup Theta')
-	 */
-	private Set<Set<UnifyPair>> unifyCase3(PlaceholderType a, SuperType subThetaPrime, IFiniteClosure fc) {
-		Set<Set<UnifyPair>> result = new HashSet<>();
-		
-		UnifyType aPrime = PlaceholderType.freshPlaceholder();
-		UnifyType supAPrime = new SuperType(aPrime);
-		UnifyType thetaPrime = subThetaPrime.getSuperedType();
-		Set<UnifyPair> resultPrime = new HashSet<>();
-		resultPrime.add(new UnifyPair(thetaPrime, a, PairOperator.SMALLERDOT));
-		result.add(resultPrime);
-			
-		resultPrime = new HashSet<>();
-		resultPrime.add(new UnifyPair(a, supAPrime, PairOperator.EQUALSDOT));
-		resultPrime.add(new UnifyPair(thetaPrime, aPrime, PairOperator.SMALLERDOT));
-		result.add(resultPrime);
-		
-		return result;
-	}
-	
-	/**
-	 * Cartesian Product Case 5: (Theta <. a)
-	 */
-	private Set<Set<UnifyPair>> unifyCase5(UnifyType theta, PlaceholderType a, IFiniteClosure fc) {
-		Set<Set<UnifyPair>> result = new HashSet<>();
-		
-		boolean allGen = theta.getTypeParams().size() > 0;
-		for(UnifyType t : theta.getTypeParams())
-			if(!(t instanceof PlaceholderType) || !((PlaceholderType) t).isGenerated()) {
-				allGen = false;
-				break;
-			}
-		
-		for(UnifyType thetaS : fc.greater(theta)) {
-			Set<UnifyPair> resultPrime = new HashSet<>();
-			
-			UnifyType[] freshTphs = new UnifyType[thetaS.getTypeParams().size()];
-			for(int i = 0; !allGen && i < freshTphs.length; i++) {
-				freshTphs[i] = PlaceholderType.freshPlaceholder();
-				resultPrime.add(new UnifyPair(thetaS.getTypeParams().get(i), freshTphs[i], PairOperator.SMALLERDOTWC));
-			}
-			
-			if(allGen)
-				resultPrime.add(new UnifyPair(a, thetaS, PairOperator.EQUALSDOT));
-			else
-				resultPrime.add(new UnifyPair(a, thetaS.setTypeParams(new TypeParams(freshTphs)), PairOperator.EQUALSDOT));
-			result.add(resultPrime);
-		}
-	
-		return result;
-	}
-
-	/**
-	 * Cartesian Product Case 8: (Theta <.? a)
-	 */
-	private Set<Set<UnifyPair>> unifyCase8(UnifyType theta, PlaceholderType a, IFiniteClosure fc) {
-		Set<Set<UnifyPair>> result = new HashSet<>();
-		//for(UnifyType thetaS : fc.grArg(theta)) {
-		Set<UnifyPair> resultPrime = new HashSet<>();
-		resultPrime.add(new UnifyPair(a, theta, PairOperator.EQUALSDOT));
-		result.add(resultPrime);
-		
-		UnifyType freshTph = PlaceholderType.freshPlaceholder();
-		resultPrime = new HashSet<>();
-		resultPrime.add(new UnifyPair(a, new ExtendsType(freshTph), PairOperator.EQUALSDOT));
-		resultPrime.add(new UnifyPair(theta, freshTph, PairOperator.SMALLERDOT));
-		result.add(resultPrime);
-
-		resultPrime = new HashSet<>();
-		resultPrime.add(new UnifyPair(a, new SuperType(freshTph), PairOperator.EQUALSDOT));
-		resultPrime.add(new UnifyPair(freshTph, theta, PairOperator.SMALLERDOT));
-		result.add(resultPrime);
-		//}
-	
-		return result;
-	}
-	
-	/**
-	 * Takes a set of candidates for each position and computes all possible permutations.
-	 * @param candidates The length of the list determines the number of type params. Each set
-	 * contains the candidates for the corresponding position.
-	 */
-	protected Set<TypeParams> permuteParams(ArrayList<Set<UnifyType>> candidates) {
-		Set<TypeParams> result = new HashSet<>();
-		permuteParams(candidates, 0, result, new UnifyType[candidates.size()]);
-		return result;
-	}
-	
-	/**
-	 * Takes a set of candidates for each position and computes all possible permutations.
-	 * @param candidates The length of the list determines the number of type params. Each set
-	 * contains the candidates for the corresponding position.
-	 * @param idx Idx for the current permutatiton.
-	 * @param result Set of all permutations found so far
-	 * @param current The permutation of type params that is currently explored
-	 */
-	private void permuteParams(ArrayList<Set<UnifyType>> candidates, int idx, Set<TypeParams> result, UnifyType[] current) {
-		if(candidates.size() == idx) {
-			result.add(new TypeParams(Arrays.copyOf(current, current.length)));
-			return;
-		}
-		
-		Set<UnifyType> localCandidates = candidates.get(idx);
-		
-		for(UnifyType t : localCandidates) {
-			current[idx] = t;
-			permuteParams(candidates, idx+1, result, current);
-		}
-	}
-}

src/de/dhbwstuttgart/typeinference/unify/model/FiniteClosure.java

@@ -1,413 +0,0 @@
-package de.dhbwstuttgart.typeinference.unify.model;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Optional;
-import java.util.Set;
-import java.util.stream.Collectors;
-
-import de.dhbwstuttgart.typeinference.unify.MartelliMontanariUnify;
-import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
-import de.dhbwstuttgart.typeinference.unify.interfaces.IUnify;
-
-/**
- * The finite closure for the type unification
- * @author Florian Steurer
- */
-public class FiniteClosure implements IFiniteClosure {
-	
-	/**
-	 * A map that maps every type to the node in the inheritance graph that contains that type.
-	 */
-	private HashMap<UnifyType, Node<UnifyType>> inheritanceGraph;
-	
-	/**
-	 * A map that maps every typename to the nodes of the inheritance graph that contain a type with that name.
-	 */
-	private HashMap<String, Set<Node<UnifyType>>> strInheritanceGraph;
-	
-	/**
-	 * The initial pairs of that define the inheritance tree
-	 */
-	private Set<UnifyPair> pairs;
-	
-	/**
-	 * Creates a new instance using the inheritance tree defined in the pairs.
-	 */
-	public FiniteClosure(Set<UnifyPair> pairs) {
-		this.pairs = new HashSet<>(pairs);
-		inheritanceGraph = new HashMap<UnifyType, Node<UnifyType>>();
-		
-		// Build the transitive closure of the inheritance tree
-		for(UnifyPair pair : pairs) {
-			if(pair.getPairOp() != PairOperator.SMALLER)
-				continue;
-			
-			// Add nodes if not already in the graph
-			if(!inheritanceGraph.containsKey(pair.getLhsType())) 
-				inheritanceGraph.put(pair.getLhsType(), new Node<UnifyType>(pair.getLhsType()));
-			if(!inheritanceGraph.containsKey(pair.getRhsType()))
-				inheritanceGraph.put(pair.getRhsType(), new Node<UnifyType>(pair.getRhsType()));
-			
-			Node<UnifyType> childNode = inheritanceGraph.get(pair.getLhsType());
-			Node<UnifyType> parentNode = inheritanceGraph.get(pair.getRhsType());
-			
-			// Add edge
-			parentNode.addDescendant(childNode);
-			
-			// Add edges to build the transitive closure
-			parentNode.getPredecessors().stream().forEach(x -> x.addDescendant(childNode));
-			childNode.getDescendants().stream().forEach(x -> x.addPredecessor(parentNode));
-		}
-		
-		// Build the alternative representation with strings as keys
-		strInheritanceGraph = new HashMap<>();
-		for(UnifyType key : inheritanceGraph.keySet()) {
-			if(!strInheritanceGraph.containsKey(key.getName()))
-				strInheritanceGraph.put(key.getName(), new HashSet<>());
-			
-			strInheritanceGraph.get(key.getName()).add(inheritanceGraph.get(key));
-		}
-	}
-
-	/**
-	 * Returns all types of the finite closure that are subtypes of the argument.
-	 * @return The set of subtypes of the argument.
-	 */
-	@Override
-	public Set<UnifyType> smaller(UnifyType type) {
-		if(type instanceof FunNType)
-			return computeSmallerFunN((FunNType) type);
-		
-		Set<UnifyType> ts = new HashSet<>();
-		ts.add(type);
-		return computeSmaller(ts);
-	}
-	
-	/**
-	 * Computes the smaller functions for every type except FunNTypes.
-	 */
-	private Set<UnifyType> computeSmaller(Set<UnifyType> types) {
-		HashSet<UnifyType> result = new HashSet<>();
-		
-		IUnify unify = new MartelliMontanariUnify();
-		
-		for(UnifyType t : types) {
-			
-			// if T = T' then T <* T'
-			result.add(t);
-			
-			// if C<...> <* C<...> then ... (third case in definition of <*)
-			if(t.getTypeParams().size() > 0) {
-				ArrayList<Set<UnifyType>> paramCandidates = new ArrayList<>();
-				for (int i = 0; i < t.getTypeParams().size(); i++)
-					paramCandidates.add(smArg(t.getTypeParams().get(i)));
-				permuteParams(paramCandidates).forEach(x -> result.add(t.setTypeParams(x)));
-			}
-			
-			if(!strInheritanceGraph.containsKey(t.getName()))
-				continue;
-			
-			// if T <* T' then sigma(T) <* sigma(T')
-			Set<Node<UnifyType>> candidates = strInheritanceGraph.get(t.getName());
-			for(Node<UnifyType> candidate :  candidates) {
-				UnifyType theta2 = candidate.getContent();
-				Optional<Unifier> optSigma = unify.unify(theta2, t);
-				if(!optSigma.isPresent())
-					continue;
-				
-				Unifier sigma = optSigma.get();
-				sigma.swapPlaceholderSubstitutions(t.getTypeParams());
-				
-				Set<UnifyType> theta1Set = candidate.getContentOfDescendants();
-				
-				for(UnifyType theta1 : theta1Set)
-					result.add(theta1.apply(sigma));
-			}
-		}
-		
-		if(result.equals(types))
-			return result;
-		return computeSmaller(result);
-	}
-	
-	/**
-	 * Computes the smaller-Function for FunNTypes.
-	 */
-	private Set<UnifyType> computeSmallerFunN(FunNType type) {
-		Set<UnifyType> result = new HashSet<>();
-		
-		// if T = T' then T <=* T'
-	    result.add(type); 
-	    
-	    // Because real function types are implicitly variant
-	    // it is enough to permute the params with the values of greater / smaller.
-		ArrayList<Set<UnifyType>> paramCandidates = new ArrayList<>();
-		paramCandidates.add(smaller(type.getTypeParams().get(0)));
-		for (int i = 1; i < type.getTypeParams().size(); i++)
-			paramCandidates.add(greater(type.getTypeParams().get(i)));
-	
-		permuteParams(paramCandidates).forEach(x -> result.add(type.setTypeParams(x)));
-		return result;
-	}
-
-	/**
-	 * Returns all types of the finite closure that are supertypes of the argument.
-	 * @return The set of supertypes of the argument.
-	 */
-	@Override
-	public Set<UnifyType> greater(UnifyType type) {
-		if(type instanceof FunNType)
-			return computeGreaterFunN((FunNType) type); 
-		
-		Set<UnifyType> ts = new HashSet<>();
-		ts.add(type);
-		return computeGreater(ts);
-	}
- 
-	/**
-	 * Computes the greater function for all types except function types.
-	 */
-	protected Set<UnifyType> computeGreater(Set<UnifyType> types) {
-		HashSet<UnifyType> result = new HashSet<>();
-		
-		IUnify unify = new MartelliMontanariUnify();
-		
-		for(UnifyType t : types) {
-			
-			// if T = T' then T <=* T'
-			result.add(t);
-			
-			// if C<...> <* C<...> then ... (third case in definition of <*)			
-			if(t.getTypeParams().size() > 0) {
-				ArrayList<Set<UnifyType>> paramCandidates = new ArrayList<>();
-				for (int i = 0; i < t.getTypeParams().size(); i++)
-					paramCandidates.add(grArg(t.getTypeParams().get(i)));
-				permuteParams(paramCandidates).forEach(x -> result.add(t.setTypeParams(x)));
-			}
-			
-			if(!strInheritanceGraph.containsKey(t.getName()))
-				continue;
-			
-			// if T <* T' then sigma(T) <* sigma(T')
-			Set<Node<UnifyType>> candidates = strInheritanceGraph.get(t.getName());
-			for(Node<UnifyType> candidate :  candidates) {
-				UnifyType theta1 = candidate.getContent();
-				Optional<Unifier> optSigma = unify.unify(theta1, t);
-				if(!optSigma.isPresent())
-					continue;
-				
-				Unifier sigma = optSigma.get();
-				sigma.swapPlaceholderSubstitutionsReverse(theta1.getTypeParams());
-				
-				Set<UnifyType> theta2Set = candidate.getContentOfPredecessors();
-				
-				for(UnifyType theta2 : theta2Set)
-					result.add(theta2.apply(sigma));
-			}
-			
-		}
-		
-		if(result.equals(types))
-			return result;
-		return computeGreater(result);
-	}
-
-	/**
-	 * Computes the greater function for FunN-Types
-	 */
-	protected Set<UnifyType> computeGreaterFunN(FunNType type) {
-		Set<UnifyType> result = new HashSet<>();
-		
-		// if T = T' then T <=* T'
-	    result.add(type); 
-	    
-	    // Because real function types are implicitly variant
-	    // it is enough to permute the params with the values of greater / smaller.
-		ArrayList<Set<UnifyType>> paramCandidates = new ArrayList<>();
-		paramCandidates.add(greater(type.getTypeParams().get(0)));
-		for (int i = 1; i < type.getTypeParams().size(); i++)
-				paramCandidates.add(smaller(type.getTypeParams().get(i)));
-		permuteParams(paramCandidates).forEach(x -> result.add(type.setTypeParams(x)));
-		return result;
-	}
-
-	
-	@Override	
-	public Set<UnifyType> grArg(UnifyType type) {
-		return type.grArg(this);
-	}
-
-	@Override
-	public Set<UnifyType> grArg(ReferenceType type) {
-		Set<UnifyType> result = new HashSet<UnifyType>();
-		result.add(type);	
-        smaller(type).forEach(x -> result.add(new SuperType(x)));
-        greater(type).forEach(x -> result.add(new ExtendsType(x)));
-		return result;
-	}
-	
-	@Override
-	public Set<UnifyType> grArg(FunNType type) {
-		Set<UnifyType> result = new HashSet<UnifyType>();
-		result.add(type);	
-        smaller(type).forEach(x -> result.add(new SuperType(x)));
-        greater(type).forEach(x -> result.add(new ExtendsType(x)));
-		return result;
-	}
-	
-	@Override
-	public Set<UnifyType> grArg(ExtendsType type) {
-		Set<UnifyType> result = new HashSet<UnifyType>();
-		result.add(type);
-		UnifyType t = type.getExtendedType();
-		greater(t).forEach(x -> result.add(new ExtendsType(x)));
-		return result;
-	}
-
-	@Override
-	public Set<UnifyType> grArg(SuperType type) {
-		Set<UnifyType> result = new HashSet<UnifyType>();
-		result.add(type);
-		UnifyType t = type.getSuperedType();
-		smaller(t).forEach(x -> result.add(new SuperType(x)));
-		return result;
-	}
-	
-	@Override
-	public Set<UnifyType> grArg(PlaceholderType type) {
-		HashSet<UnifyType> result = new HashSet<>();
-		result.add(type);
-		return result;
-	}
-
-	@Override	
-	public Set<UnifyType> smArg(UnifyType type) {
-		return type.smArg(this);
-	}
-	
-	@Override
-	public Set<UnifyType> smArg(ReferenceType type) {
-		Set<UnifyType> result = new HashSet<UnifyType>();
-		result.add(type);	
-		return result;
-	}
-	
-	@Override
-	public Set<UnifyType> smArg(FunNType type) {
-		Set<UnifyType> result = new HashSet<UnifyType>();
-		result.add(type);	
-		return result;
-	}
-	
-	@Override
-	public Set<UnifyType> smArg(ExtendsType type) {
-		Set<UnifyType> result = new HashSet<UnifyType>();
-		result.add(type);
-		UnifyType t = type.getExtendedType();
-		result.add(t);	
-        smaller(t).forEach(x -> { 
-        	result.add(new ExtendsType(x));
-        	result.add(x); 
-        });
-		return result;
-	}
-	
-
-	@Override
-	public Set<UnifyType> smArg(SuperType type) {
-		Set<UnifyType> result = new HashSet<UnifyType>();
-		result.add(type);
-		UnifyType t = type.getSuperedType();
-		result.add(t);	
-        greater(t).forEach(x -> { 
-        	result.add(new SuperType(x));
-        	result.add(x); 
-        });
-		return result;
-	}
-	
-	@Override
-	public Set<UnifyType> smArg(PlaceholderType type) {
-		HashSet<UnifyType> result = new HashSet<>();
-		result.add(type);
-		return result;
-	}
-
-	@Override
-	public Set<UnifyType> getAllTypesByName(String typeName) {
-		if(!strInheritanceGraph.containsKey(typeName))
-			return new HashSet<>();
-		return strInheritanceGraph.get(typeName).stream().map(x -> x.getContent()).collect(Collectors.toCollection(HashSet::new));
-	}
-	
-	@Override
-	public Optional<UnifyType> getLeftHandedType(String typeName) {
-		if(!strInheritanceGraph.containsKey(typeName))
-			return Optional.empty();
-		
-		for(UnifyPair pair : pairs)
-			if(pair.getLhsType().getName().equals(typeName))
-					return Optional.of(pair.getLhsType());
-		
-		return Optional.empty();
-	}
-	
-	@Override
-	public Set<UnifyType> getAncestors(UnifyType t) {
-		if(!inheritanceGraph.containsKey(t))
-			return new HashSet<>();
-		Set<UnifyType> result = inheritanceGraph.get(t).getContentOfPredecessors();
-		result.add(t);
-		return result;
-	}
-	
-	@Override
-	public Set<UnifyType> getChildren(UnifyType t) {
-		if(!inheritanceGraph.containsKey(t))
-			return new HashSet<>();
-		Set<UnifyType> result = inheritanceGraph.get(t).getContentOfDescendants();
-		result.add(t);
-		return result;
-	}
-	
-	/**
-	 * Takes a set of candidates for each position and computes all possible permutations.
-	 * @param candidates The length of the list determines the number of type params. Each set
-	 * contains the candidates for the corresponding position.
-	 */
-	protected Set<TypeParams> permuteParams(ArrayList<Set<UnifyType>> candidates) {
-		Set<TypeParams> result = new HashSet<>();
-		permuteParams(candidates, 0, result, new UnifyType[candidates.size()]);
-		return result;
-	}
-	
-	/**
-	 * Takes a set of candidates for each position and computes all possible permutations.
-	 * @param candidates The length of the list determines the number of type params. Each set
-	 * contains the candidates for the corresponding position.
-	 * @param idx Idx for the current permutatiton.
-	 * @param result Set of all permutations found so far
-	 * @param current The permutation of type params that is currently explored
-	 */
-	protected void permuteParams(ArrayList<Set<UnifyType>> candidates, int idx, Set<TypeParams> result, UnifyType[] current) {
-		if(candidates.size() == idx) {
-			result.add(new TypeParams(Arrays.copyOf(current, current.length)));
-			return;
-		}
-		
-		Set<UnifyType> localCandidates = candidates.get(idx);
-		
-		for(UnifyType t : localCandidates) {
-			current[idx] = t;
-			permuteParams(candidates, idx+1, result, current);
-		}
-	}
-	
-	@Override
-	public String toString(){
-		return this.inheritanceGraph.toString();
-	}
-}

src/de/dhbwstuttgart/typeinference/unify/model/UnifyPair.java

@@ -1,101 +0,0 @@
-package de.dhbwstuttgart.typeinference.unify.model;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-
-/**
- * A pair which contains two types and an operator, e.q. (Integer <. a).
- * @author Florian Steurer
- */
-public class UnifyPair {
-	
-	/**
-	 * The type on the left hand side of the pair.
-	 */
-	private final UnifyType lhs;
-	
-	/**
-	 * The type on the right hand side of the pair.
-	 */
-	private final UnifyType rhs;
-	
-	/**
-	 * The operator that determines the relation between the left and right hand side type.
-	 */
-	private PairOperator pairOp;
-	
-	private final int hashCode;
-	
-	/**
-	 * Creates a new instance of the pair.
-	 * @param lhs The type on the left hand side of the pair.
-	 * @param rhs The type on the right hand side of the pair.
-	 * @param op The operator that determines the relation between the left and right hand side type.
-	 */
-	public UnifyPair(UnifyType lhs, UnifyType rhs, PairOperator op) {
-		this.lhs = lhs;
-		this.rhs = rhs;
-		pairOp = op;
-		
-		// Caching hashcode
-		hashCode = 17 + 31 * lhs.hashCode() + 31 * rhs.hashCode() + 31 * pairOp.hashCode();
-	}	
-	
-	/**
-	 * Returns the type on the left hand side of the pair.
-	 */
-	public UnifyType getLhsType() {
-		return lhs;
-	}
-	
-	/**
-	 * Returns the type on the right hand side of the pair.
-	 */
-	public UnifyType getRhsType() {
-		return rhs;
-	}
-	
-	/**
-	 * Returns the operator that determines the relation between the left and right hand side type.
-	 */
-	public PairOperator getPairOp() {
-		return pairOp;
-	}
-	
-	@Override
-	public boolean equals(Object obj) {
-		if(!(obj instanceof UnifyPair))
-			return false;
-		
-		if(obj.hashCode() != this.hashCode())
-			return false;
-
-		UnifyPair other = (UnifyPair) obj;
-		
-		return other.getPairOp() == pairOp 
-				&& other.getLhsType().equals(lhs) 
-				&& other.getRhsType().equals(rhs);
-	}
-
-	@Override
-	public int hashCode() {
-		return hashCode;
-	}
-	
-	@Override
-	public String toString() {
-		return "(" + lhs + " " + pairOp + " " + rhs + ")";
-	}
-
-	/*
-	public List<? extends PlaceholderType> getInvolvedPlaceholderTypes() {
-		ArrayList<PlaceholderType> ret = new ArrayList<>();
-		ret.addAll(lhs.getInvolvedPlaceholderTypes());
-		ret.addAll(rhs.getInvolvedPlaceholderTypes());
-		return ret;
-	}
-	*/
-}
-
-

src/main/antlr4/java8/Java8.g4

@@ -109,7 +109,6 @@ classOrInterfaceType
 		|	interfaceType_lfno_classOrInterfaceType
 		)
 		(	classType_lf_classOrInterfaceType
-		|	interfaceType_lf_classOrInterfaceType
 		)*
 	;
 
@@ -333,7 +332,7 @@ classMemberDeclaration
 	;
 
 fieldDeclaration
-	:	fieldModifier* unannType? variableDeclaratorList ';'
+	:	fieldModifier* unannTypeOrAuto? variableDeclaratorList ';'
 	;
 
 fieldModifier
@@ -1739,6 +1738,7 @@ Identifier
 	:	JavaLetter JavaLetterOrDigit*
 	;
 
+
 fragment
 JavaLetter
 	:	[a-zA-Z$_] // these are the "java letters" below 0x7F

src/main/antlr4/sat/UnifyResult.g4

@@ -0,0 +1,37 @@
+grammar UnifyResult;
+
+answer : 'ANSWER' (resultSetRule '.')*;
+
+resultSetRule :
+      parameter
+    | equals
+    | smaller
+    | typeVar
+    | type
+    | otherRule
+    ;
+
+parameterList : '(' value (',' value)*  ')';
+value : NAME
+        | resultSetRule ;
+
+parameter : PARAMLIST_NAME parameterList;
+equals : EQUALS_NAME parameterList;
+smaller : SMALLER_NAME parameterList;
+typeVar : TYPEVAR_NAME parameterList;
+type : TYPE_NAME parameterList;
+otherRule : NAME parameterList;
+
+//TODO: Es sollte Regeln für das Result set geben, welche sich nicht mit den anderen überdecken, dann auch nur diese im Result ausgeben
+PARAMLIST_NAME : 'param';
+EQUALS_NAME : 'equals';
+SMALLER_NAME : 'smaller';
+TYPEVAR_NAME : 'typeVar';
+TYPE_NAME : 'type';
+NAME : [a-zA-Z0-9_]+;
+
+WS  :  [ \t\r\n\u000C]+ -> skip
+    ;
+LINE_COMMENT
+    :   '%' ~[\r\n]* -> skip
+    ;

src/main/antlr4/sat/UnifyResult.tokens

@@ -0,0 +1,23 @@
+T__0=1
+T__1=2
+T__2=3
+T__3=4
+T__4=5
+PARAMLIST_NAME=6
+EQUALS_NAME=7
+SMALLER_NAME=8
+TYPEVAR_NAME=9
+TYPE_NAME=10
+NAME=11
+WS=12
+LINE_COMMENT=13
+'ANSWER'=1
+'.'=2
+'('=3
+','=4
+')'=5
+'param'=6
+'equals'=7
+'smaller'=8
+'typeVar'=9
+'type'=10

src/main/antlr4/sat/UnifyResultLexer.tokens

@@ -0,0 +1,23 @@
+T__0=1
+T__1=2
+T__2=3
+T__3=4
+T__4=5
+PARAMLIST_NAME=6
+EQUALS_NAME=7
+SMALLER_NAME=8
+TYPEVAR_NAME=9
+TYPE_NAME=10
+NAME=11
+WS=12
+LINE_COMMENT=13
+'ANSWER'=1
+'.'=2
+'('=3
+','=4
+')'=5
+'param'=6
+'equals'=7
+'smaller'=8
+'typeVar'=9
+'type'=10

src/main/java/de/dhbwstuttgart/bytecode/AStatement.java

@@ -0,0 +1,30 @@
+package de.dhbwstuttgart.bytecode;
+
+import org.objectweb.asm.Label;
+import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Opcodes;
+
+import de.dhbwstuttgart.syntaxtree.statement.BinaryExpr;
+import de.dhbwstuttgart.syntaxtree.statement.Expression;
+
+public abstract class AStatement implements IStatement {
+	protected Expression expr;
+	
+	public AStatement(Expression expr) {
+		this.expr = expr;
+	}
+	
+	@Override
+	public boolean isExprBinary() {
+		return (expr instanceof BinaryExpr);
+	}
+	
+	@Override
+	public void genBCForRelOp(MethodVisitor mv,Label branchLabel, Label endLabel, BytecodeGenMethod bytecodeGenMethod) {
+		mv.visitInsn(Opcodes.ICONST_1);
+		mv.visitJumpInsn(Opcodes.GOTO, endLabel);
+		mv.visitLabel(branchLabel);
+		mv.visitInsn(Opcodes.ICONST_0);
+		mv.visitLabel(endLabel);
+	}
+}

src/main/java/de/dhbwstuttgart/bytecode/ArgumentExpr.java

@@ -0,0 +1,11 @@
+package de.dhbwstuttgart.bytecode;
+
+import de.dhbwstuttgart.syntaxtree.statement.Expression;
+
+public class ArgumentExpr extends AStatement {
+	
+	public ArgumentExpr(Expression expr) {
+		super(expr);
+	}
+	
+}