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createPair Methode entfernen. Die Generics können nicht generell aufgelöst werden. (unvollständiger Zustand)

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JanUlrich 2017-11-14 19:28:46 +01:00
parent fea86460e8
commit 48dc76646b
2 changed files with 4 additions and 74 deletions
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70
src/de/dhbwstuttgart/typeinference/constraints/ConstraintsFactory.java
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@ -1,70 +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 {
/**
* Erstellt ein Pair Element für den Unify.
* Die Methode löst gleichzeitig GTVs in den Typen t1 und t2 auf.
* @param t1
* @param t2
* @param equalsdot
* @param currentScope
* @param additionalScope
* @param resolver
* @return
*/
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;
}
}
}

8
src/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
View File

@ -301,10 +301,10 @@ public class TYPEStmt implements StatementVisitor{
//}
}
RefTypeOrTPHOrWildcardOrGeneric receiverType = new RefType(assumption.getReceiver().getClassName(), params, forMethod.getOffset());
methodConstraint.add(ConstraintsFactory.createPair(forMethod.receiver.getType(), receiverType,
PairOperator.SMALLERDOT, info.getCurrentTypeScope(), assumption.getTypeScope(), resolver));
methodConstraint.add(ConstraintsFactory.createPair(assumption.getReturnType(), forMethod.getType(),
PairOperator.EQUALSDOT, info.getCurrentTypeScope(), assumption.getTypeScope(), resolver));
methodConstraint.add(new Pair(forMethod.receiver.getType(), receiverType,
PairOperator.SMALLERDOT);
methodConstraint.add(new Pair(assumption.getReturnType(), forMethod.getType(),
PairOperator.EQUALSDOT));
methodConstraint.addAll(generateParameterConstraints(forMethod, assumption, info, resolver));
return methodConstraint;
}