forked from JavaTX/JavaCompilerCore
GenericVarAssumption eingeführt
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27c4a61ed3
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@ -652,6 +652,10 @@ public class Class extends SyntaxTreeNode implements AClassOrInterface, IItemWit
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//Globale Assumptions anfügen:
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//Globale Assumptions anfügen:
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assumptions.add(globalAssumptions);
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assumptions.add(globalAssumptions);
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for(GenericTypeVar gparam : this.genericClassParameters){
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gparam.TYPE(assumptions); //Constraints für die Generischen Variablen erstellen und diese dem AssumptionsSet hinzufügen
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}
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typinferenzLog.debug("Erstellte Assumptions: "+assumptions);
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typinferenzLog.debug("Erstellte Assumptions: "+assumptions);
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/*
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/*
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//Generiere Liste mit Expressions, welche zur Initialisierung von Feldern verwendet werden.
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//Generiere Liste mit Expressions, welche zur Initialisierung von Feldern verwendet werden.
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@ -1210,7 +1214,7 @@ public class Class extends SyntaxTreeNode implements AClassOrInterface, IItemWit
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* Die berechneten Variablen werden anschließend in die this.genericTypeVars eingesetzt. Dabei werden alte genericTypeVars überschrieben.
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* Die berechneten Variablen werden anschließend in die this.genericTypeVars eingesetzt. Dabei werden alte genericTypeVars überschrieben.
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* @param tphs : Alle übriggebliebenen TypePLaceholder
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* @param tphs : Alle übriggebliebenen TypePLaceholder
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*/
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*/
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public void createGenericTypeVars(Vector<TypePlaceholder> tphs){
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private void createGenericTypeVars(Vector<TypePlaceholder> tphs){
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this.genericClassParameters = new Vector<GenericTypeVar>();
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this.genericClassParameters = new Vector<GenericTypeVar>();
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for(TypePlaceholder tph : tphs){
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for(TypePlaceholder tph : tphs){
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GenericTypeVar toAdd = new GenericTypeVar(tph,this.getOffset());
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GenericTypeVar toAdd = new GenericTypeVar(tph,this.getOffset());
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@ -1222,7 +1226,7 @@ public class Class extends SyntaxTreeNode implements AClassOrInterface, IItemWit
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* Errechnet die Generischen Parameter der Klasse für diese Klasse.
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* Errechnet die Generischen Parameter der Klasse für diese Klasse.
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* Die berechneten Variablen werden anschließend in die this.genericTypeVars eingesetzt. Dabei werden alte genericTypeVars überschrieben.
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* Die berechneten Variablen werden anschließend in die this.genericTypeVars eingesetzt. Dabei werden alte genericTypeVars überschrieben.
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* @param reconstructionResult
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* @param reconstructionResult
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*/
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public void createGenericTypeVars(TypeinferenceResultSet reconstructionResult){
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public void createGenericTypeVars(TypeinferenceResultSet reconstructionResult){
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this.genericClassParameters = new Vector<GenericTypeVar>();
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this.genericClassParameters = new Vector<GenericTypeVar>();
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for(Pair pair : reconstructionResult.getUnifiedConstraints()){
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for(Pair pair : reconstructionResult.getUnifiedConstraints()){
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@ -1231,14 +1235,6 @@ public class Class extends SyntaxTreeNode implements AClassOrInterface, IItemWit
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Type ta2=reconstructionResult.getUnifiedConstraints().getTypeEqualTo(pair.TA2);
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Type ta2=reconstructionResult.getUnifiedConstraints().getTypeEqualTo(pair.TA2);
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this.genericClassParameters.add(new GenericTypeVar(new Pair(ta1,ta2),this.getOffset()));
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this.genericClassParameters.add(new GenericTypeVar(new Pair(ta1,ta2),this.getOffset()));
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}
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}
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/*
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// Auf SuperWildcardTypes überprüfen:
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ArrayList<SuperWildcardType> wildcardTypes = pair.TA2.getSuperWildcardTypes();
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wildcardTypes.addAll(pair.TA1.getSuperWildcardTypes());
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for(SuperWildcardType wildcardType : wildcardTypes){
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this.genericClassParameters.add(new GenericTypeVar(new Pair(TypePlaceholder.fresh(), wildcardType.getContainedType())));
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}
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*/
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}
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}
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for(Pair pair : reconstructionResult.getConstraints()){
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for(Pair pair : reconstructionResult.getConstraints()){
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@ -1250,6 +1246,7 @@ public class Class extends SyntaxTreeNode implements AClassOrInterface, IItemWit
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}
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}
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}
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}
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}
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}
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*/
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public int getOffset(){
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public int getOffset(){
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//TODO: richtiges Offset:
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//TODO: richtiges Offset:
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@ -137,12 +137,15 @@ public class FieldDeclaration extends Field{
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*/
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*/
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//TypeCheck, falls es sich um einen RefType handelt:
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//TypeCheck, falls es sich um einen RefType handelt:
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this.getType().checkType(publicAssumptions, this);
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/*
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if(this.getType()!=null && (this.getType() instanceof RefType)){
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if(this.getType()!=null && (this.getType() instanceof RefType)){
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Type replaceType = null;
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Type replaceType = null;
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replaceType = publicAssumptions.getTypeFor((RefType)this.getType());
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replaceType = publicAssumptions.getTypeFor((RefType)this.getType());
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if(replaceType == null)throw new TypeinferenceException("Der Typ "+this.getType().getName()+" ist nicht korrekt",this);
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if(replaceType == null)throw new TypeinferenceException("Der Typ "+this.getType().getName()+" ist nicht korrekt",this);
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this.setType(replaceType);
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this.setType(replaceType);
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}
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}
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*/
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SingleConstraint c1 = new SingleConstraint(this.getType(), this.getType());
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SingleConstraint c1 = new SingleConstraint(this.getType(), this.getType());
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ret.add(c1); //Damit die TypVariable des Felds in den Constraints auftaucht
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ret.add(c1); //Damit die TypVariable des Felds in den Constraints auftaucht
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@ -555,6 +555,8 @@ public class Method extends Field implements IItemWithOffset, TypeInsertable
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}
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}
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//TypeCheck, falls es sich um einen RefType handelt:
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//TypeCheck, falls es sich um einen RefType handelt:
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this.returntype = this.returntype.checkType(localAss, this);
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/*
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if(this.returntype!=null && (this.returntype instanceof RefType)&&
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if(this.returntype!=null && (this.returntype instanceof RefType)&&
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!(this.returntype instanceof mycompiler.mytype.Void)){//Sonderfall der Methode: Ihr Typ darf Void definiert werden.
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!(this.returntype instanceof mycompiler.mytype.Void)){//Sonderfall der Methode: Ihr Typ darf Void definiert werden.
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Type replaceType = null;
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Type replaceType = null;
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@ -562,10 +564,12 @@ public class Method extends Field implements IItemWithOffset, TypeInsertable
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if(replaceType == null)throw new TypeinferenceException("Der Typ "+this.getType().getName()+" ist nicht korrekt",this);
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if(replaceType == null)throw new TypeinferenceException("Der Typ "+this.getType().getName()+" ist nicht korrekt",this);
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this.returntype = replaceType;
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this.returntype = replaceType;
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}
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}
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*/
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//Die Parameter zu den Assumptions hinzufügen:
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//Die Parameter zu den Assumptions hinzufügen:
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if(this.parameterlist!=null)for(FormalParameter param : this.parameterlist){
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if(this.parameterlist!=null)for(FormalParameter param : this.parameterlist){
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param.setType(param.getType().checkType(localAss, this));
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/*
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if(param.getType() instanceof RefType)
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if(param.getType() instanceof RefType)
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{
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{
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Type replaceType = null;
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Type replaceType = null;
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@ -574,7 +578,7 @@ public class Method extends Field implements IItemWithOffset, TypeInsertable
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throw new TypeinferenceException("Der Typ "+param.getType().getName()+" ist nicht korrekt",param);
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throw new TypeinferenceException("Der Typ "+param.getType().getName()+" ist nicht korrekt",param);
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param.setType(replaceType);
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param.setType(replaceType);
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}
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}
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*/
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localAss.addAssumption(new ParameterAssumption(param));
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localAss.addAssumption(new ParameterAssumption(param));
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}
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}
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@ -50,6 +50,7 @@ public class BoundedGenericTypeVar extends GenericTypeVar
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// ino.end
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// ino.end
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// ino.method.BoundedGenericTypeVar.29409.body
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// ino.method.BoundedGenericTypeVar.29409.body
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{
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{
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//TODO: Dieser Konstruktor muss this.genericConstraint setzen
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super(s, offset);
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super(s, offset);
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if(bounds != null)for(Type t : bounds){
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if(bounds != null)for(Type t : bounds){
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if(t!=null)this.extendVars.add(t);
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if(t!=null)this.extendVars.add(t);
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@ -42,7 +42,7 @@ public class GenericTypeVar extends Type
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{
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{
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Type genericTypeVar;
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Type genericTypeVar;
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Vector<Type> extendVars = new Vector<Type>();
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Vector<Type> extendVars = new Vector<Type>();
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private Pair genericConstraint;
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protected Pair genericConstraint;
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/**
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/**
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* Eine Registry f<EFBFBD>r alle Generic-Instanzen, die vor der Bytecode-Generierung durch
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* Eine Registry f<EFBFBD>r alle Generic-Instanzen, die vor der Bytecode-Generierung durch
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* Ihre Superklasse ersetzt werden m<EFBFBD>ssen. Siehe "Type Erasure" in Sun Spezifikation.
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* Ihre Superklasse ersetzt werden m<EFBFBD>ssen. Siehe "Type Erasure" in Sun Spezifikation.
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@ -202,4 +202,3 @@ public class GenericTypeVar extends Type
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}
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}
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// ino.end
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// ino.end
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@ -7,6 +7,8 @@ import java.util.Vector;
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import typinferenz.JavaCodeResult;
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import typinferenz.JavaCodeResult;
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import typinferenz.ResultSet;
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import typinferenz.ResultSet;
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import typinferenz.assumptions.TypeAssumptions;
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import typinferenz.exceptions.TypeinferenceException;
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import mycompiler.IItemWithOffset;
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import mycompiler.IItemWithOffset;
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import mycompiler.SyntaxTreeNode;
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import mycompiler.SyntaxTreeNode;
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import mycompiler.mybytecode.JVMCode;
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import mycompiler.mybytecode.JVMCode;
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@ -278,5 +280,16 @@ public class Type implements IItemWithOffset
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return false;
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return false;
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}
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}
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/**
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* Prüft ob der Typ in den Assumptions ass vorhanden ist.
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* Dabei kann eine neue Instanz eines Typs entstehen, welche von der Methode zurückgegeben wird.
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* @param ass - Die Assumptions für den jeweiligen Kontext in dem sich der Typ befindet.
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*/
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public Type checkType(TypeAssumptions ass, IItemWithOffset parent){
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Type t = ass.getTypeFor(this);
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if(t==null)throw new TypeinferenceException("Der Typ "+this.getName()+" ist nicht korrekt", parent);
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return t;
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}
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}
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}
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// ino.end
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// ino.end
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@ -1,5 +1,11 @@
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// ino.module.Void.8679.package
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// ino.module.Void.8679.package
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package mycompiler.mytype;
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package mycompiler.mytype;
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import mycompiler.IItemWithOffset;
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import mycompiler.myclass.Method;
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import typinferenz.assumptions.TypeAssumptions;
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import typinferenz.exceptions.TypeinferenceException;
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// ino.end
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// ino.end
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// ino.class.Void.26857.declaration
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// ino.class.Void.26857.declaration
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public class Void extends RefType
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public class Void extends RefType
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@ -61,5 +67,10 @@ public class Void extends RefType
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return new Void(getOffset());
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return new Void(getOffset());
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}
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}
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// ino.end
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// ino.end
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@Override
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public Type checkType(TypeAssumptions ass, IItemWithOffset parent){
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return this;
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}
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}
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}
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// ino.end
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// ino.end
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@ -55,8 +55,8 @@ public class SingleConstraint extends UndConstraint{
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if(p1 instanceof RefType)((RefType)p1).GTV2TPH();
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if(p1 instanceof RefType)((RefType)p1).GTV2TPH();
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if(p2 instanceof RefType)((RefType)p2).GTV2TPH();
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if(p2 instanceof RefType)((RefType)p2).GTV2TPH();
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if((p1 instanceof GenericTypeVar))p1 = ((GenericTypeVar)p1).getTypePlaceHolder();
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if((p1 instanceof GenericTypeVar))p1 = ((GenericTypeVar)p1).getTypePlaceHolder();//throw new DebugException("GenericTypeVar sind in den Constraints nicht erlaubt");//
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if((p2 instanceof GenericTypeVar))p2 = ((GenericTypeVar)p2).getTypePlaceHolder();
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if((p2 instanceof GenericTypeVar))p2 = ((GenericTypeVar)p2).getTypePlaceHolder();//throw new DebugException("GenericTypeVar sind in den Constraints nicht erlaubt");//
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// BaseTypes werden in RefTypes umgewandelt. Constraints dürfen nur RefTypes oder TypePlaceholder enthalten, da sonst der Unify-Algorithmus nicht funktioniert.
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// BaseTypes werden in RefTypes umgewandelt. Constraints dürfen nur RefTypes oder TypePlaceholder enthalten, da sonst der Unify-Algorithmus nicht funktioniert.
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if(!(p1 instanceof RefType) && !(p1 instanceof TypePlaceholder) && !(p1 instanceof GenericTypeVar))p1 = new RefType(p1);
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if(!(p1 instanceof RefType) && !(p1 instanceof TypePlaceholder) && !(p1 instanceof GenericTypeVar))p1 = new RefType(p1);
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@ -15,10 +15,10 @@ public class GenericVarAssumption extends Assumption{
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}
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}
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public Type getAssumedType() {
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public Type getAssumedType() {
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return new RefType(genericVar.getTypePlaceHolder().getName(), -1);
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return new RefType(this.getIdentifier(), -1);
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}
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}
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public String getIdentifier(){
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public String getIdentifier(){
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return genericVar.getTypePlaceHolder().getName();
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return genericVar.getName();
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}
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}
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}
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}
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@ -2,6 +2,7 @@ package typinferenz.assumptions;
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import java.util.Iterator;
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import java.util.Iterator;
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import mycompiler.IItemWithOffset;
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import mycompiler.myclass.Class;
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import mycompiler.myclass.Class;
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import java.util.Vector;
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import java.util.Vector;
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@ -294,7 +295,11 @@ public class TypeAssumptions {
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* @param t
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* @param t
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* @return null, falls der Typ nicht vorhanden ist.
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* @return null, falls der Typ nicht vorhanden ist.
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*/
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*/
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public Type getTypeFor(RefType t){
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public Type getTypeFor(Type t){
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if(t instanceof TypePlaceholder)
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return t; //Handelt es sich um einen TypePlaceholder kann dieser nicht in den Assumptions vorkommen.
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//Alle bekannten Klassen nach diesem Typ durchsuchen:
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//Alle bekannten Klassen nach diesem Typ durchsuchen:
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String typName = t.getName();
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String typName = t.getName();
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String[] names = typName.split("[.]");
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String[] names = typName.split("[.]");
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@ -309,9 +314,10 @@ public class TypeAssumptions {
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}else for(int i = names.length-1; i>-1;i--){
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}else for(int i = names.length-1; i>-1;i--){
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if(!names[i].equals(assNames[i]))match = false;
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if(!names[i].equals(assNames[i]))match = false;
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}
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}
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if(match){
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if(match && t instanceof RefType){
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RefType tr = (RefType)t;
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RefType ret = ass.getAssumedClass().getType(); //Dadurch erhält der RefType den vollen Namen (bsp. java.lang.Integer)
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RefType ret = ass.getAssumedClass().getType(); //Dadurch erhält der RefType den vollen Namen (bsp. java.lang.Integer)
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ret.set_ParaList(t.get_ParaList());
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ret.set_ParaList(tr.get_ParaList());
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return ret;
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return ret;
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}
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}
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}
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}
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@ -2,7 +2,7 @@ class Test{
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m;
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m;
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<CT> CT methode(){
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<CT, CT extends String> CT methode(){
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return m;
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return m;
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}
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}
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@ -9,6 +9,7 @@ public class MutlitpleTestCases {
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private static final String TEST_FILE = "Test1.jav";
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private static final String TEST_FILE = "Test1.jav";
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private static final String TEST_FILE2 = "Test2.jav";
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private static final String TEST_FILE2 = "Test2.jav";
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@Test
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@Test
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public void test1(){
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public void test1(){
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Vector<String> mustContain = new Vector<String>();
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Vector<String> mustContain = new Vector<String>();
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