Runnable gefixt
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c1532ece13
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@ -51,7 +51,7 @@ public class ClassGenerator extends ClassGen{
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* @param toTPH
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* @return Es gilt dann "toTPH extends Type"
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*/
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public org.apache.commons.bcel6.generic.Type getNearestType(TypePlaceholder toTPH){
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public org.apache.commons.bcel6.generic.Type getNearestNonTPHType(TypePlaceholder toTPH){
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Type t = resolveTPH(toTPH);
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if(t == null){
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return this.getInstructionFactory().createObjectType();
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@ -65,7 +65,7 @@ public class DHBWInstructionFactory extends InstructionFactory{
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*/
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String lambdaTypeParameterList = "()";
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ConstantMethodType lambdaMethodType1 = new ConstantMethodType(this.cp.addUtf8("()Ljava/lang/Object;")); //TODO: Hier den Grund finden, warum Object stehen muss.
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ConstantMethodType lambdaMethodType1 = new ConstantMethodType(this.cp.addUtf8(interfaceMethodType.getBytecodeInvokeDynamicSignatureUpperBound(cg))); //TODO: Hier den Grund finden, warum Object stehen muss.
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ConstantMethodType lambdaMethodType = new ConstantMethodType(this.cp.addUtf8(interfaceMethodType.getBytecodeInvokeDynamicSignature(cg)));
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int implMethodKind = 7; // 7 = InvokeSpecial @see https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-5.html#jvms-5.4.3.5
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ConstantMethodHandle implMethod = new ConstantMethodHandle(implMethodKind,cg.getConstantPool().addMethodref(lambdaMethod)); //Das zweite Argument ist der MethodRef zur LambdaMethode
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@ -247,7 +247,7 @@ public class LambdaExpression extends Expr{
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for(int i = 0; i < paramTypes.length ; i++) {
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if(paramTypes[i] instanceof TypePlaceholderType){
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//TODO: Das kann auch ein spezifischer Typ als Object sein
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paramTypesTemp[i] = cg.getNearestType(((TypePlaceholderType)paramTypes[i]).getTPH());
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paramTypesTemp[i] = cg.getNearestNonTPHType(((TypePlaceholderType)paramTypes[i]).getTPH());
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}else{
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paramTypesTemp[i] = paramTypes[i];
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}
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@ -256,7 +256,7 @@ public class LambdaExpression extends Expr{
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org.apache.commons.bcel6.generic.Type retType = method_body.getType().getBytecodeType(cg);
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if(retType instanceof TypePlaceholderType){
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//Die TypePlaceholderTypen aussortieren. Sie werden nur in der Signatur erwähnt. Kommen im Bytecode sonst eigentlich nicht vor
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retType = cg.getNearestType(((TypePlaceholderType) retType).getTPH());
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retType = cg.getNearestNonTPHType(((TypePlaceholderType) retType).getTPH());
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}
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MethodGenerator lambdaMethod = new MethodGenerator(0, retType,
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paramTypes, params.getParameterNameArray(), cg.createLambdaMethodName(),
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@ -126,6 +126,16 @@ public class FunN extends RefType {
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return ret;
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}
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public String getBytecodeInvokeDynamicSignatureUpperBound(ClassGenerator cg) {
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String ret = "(";
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for(Type t : T){
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ret+=cg.getInstructionFactory().createObjectType().getSignature();
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}
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ret +=")";
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ret += cg.getInstructionFactory().createObjectType().getSignature();
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return ret;
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}
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/*
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public CMethodTypeAssumption toCMethodTypeAssumption() {
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@ -454,7 +454,7 @@ public class TypePlaceholder extends ObjectType
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//Die Signaturen in der Klasse bauen sich für Generische Variabeln (also TPHs) folgendermaßen auf: "GVAR:SuperClass"
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String ret = this.getBytecodeMethodSignature(cg);
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ret = ret.substring(0, ret.length()-1) + ":"; //";" mit ":" ersetzen
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org.apache.commons.bcel6.generic.Type nearestType = cg.getNearestType(this);
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org.apache.commons.bcel6.generic.Type nearestType = cg.getNearestNonTPHType(this);
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if(nearestType instanceof TypePlaceholderType){ //Handelt es sich um einen weiteren TPH als nächsten Typ, so ist es ein allgemeiner Typ und wir nehmen Object als Superklasse
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ret += cg.getInstructionFactory().createObjectType().getSignature();
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}else{
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@ -10,6 +10,6 @@ public static void main(String[] args){
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System.out.println(new FieldDeclaration().field);
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System.out.println(new Runnable().method().apply());
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Runnable r = new Runnable().method().apply();
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//Test t = new Identity().op.apply(this);
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Test t = new Identity<Test,Test>().op.apply(this);
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}
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}
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