Vorbereitung für "Mehrere Lösungen in einer Classfile"

src/de/dhbwstuttgart/bytecode/ClassGenerator.java

@@ -20,13 +20,14 @@ import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 import de.dhbwstuttgart.typeinference.Menge;
 import de.dhbwstuttgart.typeinference.ResultSet;
 import de.dhbwstuttgart.typeinference.TypeinferenceResultSet;
+import de.dhbwstuttgart.typeinference.TypeinferenceResults;
 import de.dhbwstuttgart.typeinference.exceptions.DebugException;
 
 public class ClassGenerator extends ClassGen{
 
 	private DHBWConstantPoolGen cp;
 	private DHBWInstructionFactory factory;
-	private TypeinferenceResultSet tiResult;
+	private TypeinferenceResults tiResult;
 	private int lambdaMethodeNr = 0;
 	private Type superClass;
 	
@@ -34,9 +35,9 @@ public class ClassGenerator extends ClassGen{
 	
 	private Map<String, ClassGenerator> extraClasses = new HashMap<>();
 
-	public ClassGenerator(String name, Type superClass, String string, short accessflags, String[] strings, TypeinferenceResultSet resultSet) {
+	public ClassGenerator(String name, Type superClass, String string, short accessflags, String[] strings, TypeinferenceResults typeinferenceResults) {
 		super(name,superClass.get_Name(),string,accessflags,strings, new DHBWConstantPoolGen());
-		this.tiResult = resultSet;
+		this.tiResult = typeinferenceResults;
 		this.superClass = superClass;
 		
 		cp = (DHBWConstantPoolGen) super.getConstantPool();
@@ -54,8 +55,7 @@ public class ClassGenerator extends ClassGen{
 	 * @param toTPH
 	 * @return Es gilt dann "toTPH extends Type"
 	 */
-	public org.apache.commons.bcel6.generic.Type getNearestUsedType(TypePlaceholder toTPH, Menge<TypePlaceholder> usedTypes){
-		Type t = resolveTPH(toTPH, usedTypes);
+	public org.apache.commons.bcel6.generic.Type getNearestUsedType(Type t, Menge<TypePlaceholder> usedTypes){
 		if(t == null){
 			return this.getInstructionFactory().createObjectType();
 		}else if(t instanceof TypePlaceholder){ //Es muss sich in diesem Fall um einen TPH handeln:
@@ -69,11 +69,11 @@ public class ClassGenerator extends ClassGen{
 		return this.getNearestUsedType(toTPH, null);
 	}
 	
-	public Type resolveTPH(TypePlaceholder typePlaceholder) {
+	public Menge<Type> resolveTPH(TypePlaceholder typePlaceholder) {
 		return resolveTPH(typePlaceholder, null);
 	}
 	
-	public Type resolveTPH(TypePlaceholder typePlaceholder, Menge<TypePlaceholder> toOneOfTheseTypes) {
+	public Menge<Type> resolveTPH(TypePlaceholder typePlaceholder, Menge<TypePlaceholder> toOneOfTheseTypes) {
 		return tiResult.getTypeOfPlaceholder(typePlaceholder, toOneOfTheseTypes);
 	}
 

src/de/dhbwstuttgart/core/MyCompiler.java

@@ -39,6 +39,7 @@ import de.dhbwstuttgart.typeinference.FunVoidNInterface;
 import de.dhbwstuttgart.typeinference.Pair;
 import de.dhbwstuttgart.typeinference.ResultSet;
 import de.dhbwstuttgart.typeinference.TypeinferenceResultSet;
+import de.dhbwstuttgart.typeinference.TypeinferenceResults;
 import de.dhbwstuttgart.typeinference.assumptions.TypeAssumptions;
 import de.dhbwstuttgart.typeinference.exceptions.DebugException;
 import de.dhbwstuttgart.typeinference.exceptions.ParserError;
@@ -317,12 +318,12 @@ public class MyCompiler implements MyCompilerAPI{
 	}
 
 	@Override
-	public Menge<ByteCodeResult> generateBytecode(Menge<SourceFile> m_AbstractSyntaxTree, TypeinferenceResultSet typeinferenceResult) {
+	public Menge<ByteCodeResult> generateBytecode(Menge<SourceFile> m_AbstractSyntaxTree, TypeinferenceResults typeinferenceResults) {
 		//SourceFile parsedFile = this.m_AbstractSyntaxTree.firstElement();
 		//Class parsedClass = parsedFile.KlassenVektor.firstElement();
 		Menge<ByteCodeResult> ret = new Menge<>();
 		for(SourceFile sf : m_AbstractSyntaxTree){
-			ret.addAll(sf.generateBytecode(typeinferenceResult));
+			ret.addAll(sf.generateBytecode(typeinferenceResults));
 		}
 		return ret;
 	}

src/de/dhbwstuttgart/core/MyCompilerAPI.java

@@ -15,6 +15,7 @@ import de.dhbwstuttgart.syntaxtree.SourceFile;
 import de.dhbwstuttgart.typeinference.ByteCodeResult;
 import de.dhbwstuttgart.typeinference.ResultSet;
 import de.dhbwstuttgart.typeinference.TypeinferenceResultSet;
+import de.dhbwstuttgart.typeinference.TypeinferenceResults;
 import de.dhbwstuttgart.typeinference.exceptions.ParserError;
 import de.dhbwstuttgart.typeinference.exceptions.TypeinferenceException;
 
@@ -127,6 +128,6 @@ public interface MyCompilerAPI
 	 * Dafür müssen die Schritte Parsen und typeReconstruction ausgeführt werden.
 	 * @return
 	 */
-	public Menge<ByteCodeResult> generateBytecode(Menge<SourceFile> m_AbstractSyntaxTree, TypeinferenceResultSet typeinferenceResult);
+	public Menge<ByteCodeResult> generateBytecode(Menge<SourceFile> m_AbstractSyntaxTree, TypeinferenceResults typeinferenceResults);
 }
 // ino.end

src/de/dhbwstuttgart/syntaxtree/Class.java

@@ -78,7 +78,7 @@ public class Class extends GTVDeclarationContext implements AClassOrInterface, I
      * @param resultSet - Fehlende Typen im Syntaxbaum werden nach diesem ResultSet aufgelöst
      * @return
      */
-    public ByteCodeResult genByteCode(TypeinferenceResultSet resultSet) {
+    public ByteCodeResult genByteCode(TypeinferenceResults typeinferenceResults) {
     	InstructionFactory _factory;
         DHBWConstantPoolGen    _cp;
         ClassGenerator     _cg;
@@ -90,7 +90,7 @@ public class Class extends GTVDeclarationContext implements AClassOrInterface, I
     	
     	if(pkgName != null)throw new NotImplementedException();
     	short constants = Constants.ACC_PUBLIC; //Per Definition ist jede Methode public
-    	_cg = new ClassGenerator(name, this.getSuperClass(), name + ".java", constants , new String[] {  }, resultSet); //letzter Parameter sind implementierte Interfaces
+    	_cg = new ClassGenerator(name, this.getSuperClass(), name + ".java", constants , new String[] {  }, typeinferenceResults); //letzter Parameter sind implementierte Interfaces
         _cp = _cg.getConstantPool();
         _factory = new DHBWInstructionFactory(_cg, _cp);
 

src/de/dhbwstuttgart/syntaxtree/SourceFile.java

@@ -40,6 +40,7 @@ import de.dhbwstuttgart.typeinference.FunNMethod;
 import de.dhbwstuttgart.typeinference.Pair;
 import de.dhbwstuttgart.typeinference.ResultSet;
 import de.dhbwstuttgart.typeinference.TypeinferenceResultSet;
+import de.dhbwstuttgart.typeinference.TypeinferenceResults;
 import de.dhbwstuttgart.typeinference.UndConstraint;
 import de.dhbwstuttgart.typeinference.assumptions.ClassAssumption;
 import de.dhbwstuttgart.typeinference.assumptions.MethodAssumption;
@@ -1836,10 +1837,10 @@ public class SourceFile
 	 * Bisher wird nur der Bytecode der Klassen generiert. Nicht der Interfaces.
 	 * @return
 	 */
-	public Menge<ByteCodeResult> generateBytecode(TypeinferenceResultSet rs) {
+	public Menge<ByteCodeResult> generateBytecode(TypeinferenceResults results) {
 		Menge<ByteCodeResult> ret = new Menge<>();
 		for(Class cl : this.KlassenVektor){
-			ret.add(cl.genByteCode(rs));
+			ret.add(cl.genByteCode(results));
 		}
 		return ret;
 	}

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

@@ -26,6 +26,7 @@ import de.dhbwstuttgart.typeinference.JavaCodeResult;
 import de.dhbwstuttgart.typeinference.ResultSet;
 import de.dhbwstuttgart.typeinference.TypeInsertable;
 import de.dhbwstuttgart.typeinference.TypeinferenceResultSet;
+import de.dhbwstuttgart.typeinference.TypeinferenceResults;
 import de.dhbwstuttgart.typeinference.assumptions.TypeAssumptions;
 import de.dhbwstuttgart.typeinference.exceptions.TypeinferenceException;
 import de.dhbwstuttgart.typeinference.unify.CSubstitutionGenVar;
@@ -838,7 +839,7 @@ public class RefType extends ObjectType implements IMatchable
 		if(!combinedType.equals(getName().toString())){
 			Class generatedClass = ASTFactory.createClass(getCombinedType(cg), getGenericClassType(), null, null, new SourceFile());
 			
-			cg.addExtraClass(generatedClass.genByteCode(new TypeinferenceResultSet(generatedClass, new Menge<>(), new ResultSet())).getByteCode());
+			cg.addExtraClass(generatedClass.genByteCode(new TypeinferenceResults()).getByteCode());
 		}
 		
 		return "L"+combinedType+";";

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

@@ -437,21 +437,21 @@ public class TypePlaceholder extends ObjectType
 
 	@Override
 	public org.apache.commons.bcel6.generic.Type getBytecodeType(ClassGenerator cg) {
-		Type resolvedType = cg.resolveTPH(this);
-		if(resolvedType instanceof TypePlaceholder){
+		Menge<Type> resolvedType = cg.resolveTPH(this);
+		if(resolvedType.firstElement() instanceof TypePlaceholder){
 			return DHBWInstructionFactory.createObjectType();
 		}
-		return resolvedType.getBytecodeType(cg);
+		return resolvedType.firstElement().getBytecodeType(cg);
 	}
 	
 	@Override
 	public String getBytecodeSignature(ClassGenerator cg) {
-		Type resolvedType = cg.resolveTPH(this);
-		if(resolvedType instanceof TypePlaceholder){
-			cg.addUsedTPH((TypePlaceholder)resolvedType);
-			return new TypePlaceholderType((TypePlaceholder)resolvedType).getSignature();
+		Menge<Type> resolvedType = cg.resolveTPH(this);
+		if(resolvedType.firstElement() instanceof TypePlaceholder){
+			cg.addUsedTPH((TypePlaceholder)resolvedType.firstElement());
+			return new TypePlaceholderType((TypePlaceholder)resolvedType.firstElement()).getSignature();
 		}
-		return resolvedType.getBytecodeSignature(cg);
+		return resolvedType.firstElement().getBytecodeSignature(cg);
 	}
 
 	@Override

src/de/dhbwstuttgart/typeinference/TypeinferenceResultSet.java

@@ -113,14 +113,5 @@ public class TypeinferenceResultSet
     	
     	return ret;
     }    
-    
-    /**
-     * Startet die Bytecodegenerierung dieser Lösung.
-     * Dabei wird die codegen-Methode der inferierten Klasse mit diesem ResultSet aufgerufen.
-     */
-    public ByteCodeResult codegen(){
-    	return this.ownerOfResultSet.genByteCode(this);
-    }
-    
 }
 // ino.end

src/de/dhbwstuttgart/typeinference/TypeinferenceResults.java

@@ -0,0 +1,21 @@
+package de.dhbwstuttgart.typeinference;
+
+import de.dhbwstuttgart.syntaxtree.type.Type;
+import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
+
+public class TypeinferenceResults {
+	
+	public TypeinferenceResults() {
+		// TODO Auto-generated constructor stub
+	}
+
+	public TypeinferenceResults(Menge<TypeinferenceResultSet> typeReconstruction) {
+		// TODO Auto-generated constructor stub
+	}
+
+	public Menge<Type> getTypeOfPlaceholder(TypePlaceholder typePlaceholder, Menge<TypePlaceholder> toOneOfTheseTypes) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+}

test/bytecode/SingleClassTester.java

@@ -20,6 +20,7 @@ import de.dhbwstuttgart.parser.JavaParser.yyException;
 import de.dhbwstuttgart.syntaxtree.SourceFile;
 import de.dhbwstuttgart.typeinference.ByteCodeResult;
 import de.dhbwstuttgart.typeinference.Menge;
+import de.dhbwstuttgart.typeinference.TypeinferenceResults;
 
 public class SingleClassTester {
 	
@@ -32,7 +33,9 @@ public class SingleClassTester {
 			Menge<SourceFile> sourceFiles = new Menge<>();
 			sourceFiles.add(sf);
 			
-			Menge<ByteCodeResult> bytecode = compiler.generateBytecode(sourceFiles, compiler.typeReconstruction(sourceFiles).firstElement());
+			TypeinferenceResults results =  new TypeinferenceResults(compiler.typeReconstruction(sourceFiles));
+			
+			Menge<ByteCodeResult> bytecode = compiler.generateBytecode(sourceFiles, results);
 			//System.out.println(bytecode);
 			
 			ByteCodeResult result = bytecode.firstElement();

test/bytecode/types/AutoOverloading.jav

@@ -0,0 +1,17 @@
+import java.util.Vector;
+
+class AutoOverloading{
+
+        methode(v, x){
+          v.add(x);
+        }
+        
+        methode(v, x){
+          v.add(x);
+        }
+
+        methode(){
+                methode(new Vector<String>(),"hallo");
+                methode(new Vector<Integer>(), 1);
+        }
+}

test/bytecode/types/AutoOverloadingTest.java

@@ -0,0 +1,32 @@
+package bytecode.types;
+
+import static org.junit.Assert.*;
+
+import java.io.File;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Method;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.Vector;
+
+import org.junit.Test;
+
+import bytecode.BytecodeTest;
+
+public class AutoOverloadingTest extends BytecodeTest{
+	@Override
+	protected void init() {
+		testName = "AutoOverloading";
+		rootDirectory = System.getProperty("user.dir")+"/test/bytecode/types/";
+	}
+	
+	@Test
+	public void testConstruct() throws Exception{
+	    ClassLoader classLoader = getClassLoader();
+
+	    Class cls =  classLoader.loadClass(testName);
+	    
+		Object obj = cls.newInstance();
+		assertTrue(true);
+	}
+}

test/bytecode/types/OverloadingAddition.jav

@@ -0,0 +1,11 @@
+class OverloadingAddition{
+
+        methode(a){
+          return a+a;
+        }
+
+        methode(){
+                methode(1);
+                methode(1.1);
+        }
+}

test/bytecode/types/OverloadingAdditionTest.java

@@ -0,0 +1,32 @@
+package bytecode.types;
+
+import static org.junit.Assert.*;
+
+import java.io.File;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Method;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.Vector;
+
+import org.junit.Test;
+
+import bytecode.BytecodeTest;
+
+public class OverloadingAdditionTest extends BytecodeTest{
+	@Override
+	protected void init() {
+		testName = "OverloadingAddition";
+		rootDirectory = System.getProperty("user.dir")+"/test/bytecode/types/";
+	}
+	
+	@Test
+	public void testConstruct() throws Exception{
+	    ClassLoader classLoader = getClassLoader();
+
+	    Class cls =  classLoader.loadClass(testName);
+	    
+		Object obj = cls.newInstance();
+		assertTrue(true);
+	}
+}