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Felder aktivieren

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This commit is contained in:
JanUlrich 2018-08-20 18:21:43 +02:00
parent 4ca671631d
commit 1061f355ff
3 changed files with 21 additions and 11 deletions
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23
src/de/dhbwstuttgart/typeinference/assumptions/FieldAssumption.java
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@ -1,20 +1,29 @@
package de.dhbwstuttgart.typeinference.assumptions;
import de.dhbwstuttgart.exceptions.NotImplementedException;
import de.dhbwstuttgart.parser.NullToken;
import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
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.typeinference.constraints.GenericsResolver;
import java.util.ArrayList;
import java.util.List;
public class FieldAssumption extends Assumption{
private ClassOrInterface receiverClass;
private RefTypeOrTPHOrWildcardOrGeneric type;
private String name;
public FieldAssumption(ClassOrInterface receiverType,
public FieldAssumption(String fieldName, ClassOrInterface receiverType,
RefTypeOrTPHOrWildcardOrGeneric type, TypeScope scope){
super(scope);
this.type = type;
this.receiverClass = receiverType;
this.name = fieldName;
}
public ClassOrInterface getReceiverClass() {
@ -26,7 +35,15 @@ public class FieldAssumption extends Assumption{
}
public RefTypeOrTPHOrWildcardOrGeneric getReceiverType(GenericsResolver resolver) {
//TODO
throw new NotImplementedException();
List<RefTypeOrTPHOrWildcardOrGeneric> params = new ArrayList<>();
for(GenericTypeVar gtv : receiverClass.getGenerics()){
//Hier wird ein GenericRefType gebildet, welcher einen für dieses Feld eindeutigen Namen hat
GenericRefType genericRefType =
new GenericRefType(receiverClass.getClassName().toString() + " " + name + " " + gtv.getName()
, new NullToken());
//Dieser wird dann korrekt aufgelöst vom Resolver:
params.add(resolver.resolve(genericRefType));
}
return new RefType(receiverClass.getClassName(), params, new NullToken());
}
}

2
src/de/dhbwstuttgart/typeinference/assumptions/TypeInferenceInformation.java
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@ -47,7 +47,7 @@ public class TypeInferenceInformation {
for(Field m : cl.getFieldDecl()){
if(m.getName().equals(name)){
ret.add(new FieldAssumption(cl, checkGTV(m.getType()), new TypeScopeContainer(cl, m)));
ret.add(new FieldAssumption(name, cl, checkGTV(m.getType()), new TypeScopeContainer(cl, m)));
}
}
}

7
src/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
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@ -105,10 +105,6 @@ public class TYPEStmt implements StatementVisitor{
for(FieldAssumption fieldAssumption : info.getFields(fieldVar.fieldVarName)){
Constraint constraint = new Constraint();
GenericsResolver resolver = getResolverInstance();
/*TODO Hier muss der Typ der Klasse ermittelt werden. In diesem müssen Generics mit TPHs ausgetauscht werden
constraint.add(ConstraintsFactory.createPair(
fieldVar.receiver.getType(),fieldAssumption.getReceiverType(), info.getCurrentTypeScope(), fieldAssumption.getTypeScope(), resolver));
*/
constraint.add(new Pair(fieldVar.receiver.getType(), fieldAssumption.getReceiverType(resolver), PairOperator.EQUALSDOT));
constraint.add(new Pair(
fieldVar.getType(), fieldAssumption.getType(resolver), PairOperator.EQUALSDOT));
@ -117,9 +113,6 @@ public class TYPEStmt implements StatementVisitor{
if(oderConstraints.size() == 0)
throw new TypeinferenceException("Kein Feld "+fieldVar.fieldVarName+ " gefunden", fieldVar.getOffset());
constraintsSet.addOderConstraint(oderConstraints);
//Wegen dem Problem oben:
throw new NotImplementedException();
}
@Override