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Fehler mit GenericRefTypes in Wildcards beheben

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This commit is contained in:
JanUlrich 2018-08-06 16:39:35 +02:00
parent cc676f32c5
commit 70972a5cbf
3 changed files with 16 additions and 51 deletions
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60
src/de/dhbwstuttgart/syntaxtree/factory/ASTFactory.java
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@ -51,15 +51,15 @@ public class ASTFactory {
java.lang.Class superjreClass = jreClass.getSuperclass();
RefType superClass;
if(parameterSuperClass != null){
superClass = (RefType) convertType(parameterSuperClass);
superClass = (RefType) createType(parameterSuperClass);
}else if(superjreClass != null){
superClass = (RefType) convertType(superjreClass);
superClass = (RefType) createType(superjreClass);
}else{//Jede Klasse und jedes Interface erbt von Object: (auch Object selbst!)
superClass = (RefType) createType(java.lang.Object.class, name, "");
superClass = (RefType) createType(java.lang.Object.class);
}
List<RefType> implementedInterfaces = new ArrayList<>();
for(Type jreInterface : jreClass.getGenericInterfaces()){
implementedInterfaces.add((RefType) createType(jreInterface, name, ""));
implementedInterfaces.add((RefType) createType(jreInterface));
}
GenericDeclarationList genericDeclarationList = createGenerics(jreClass.getTypeParameters(), jreClass, null);
@ -68,29 +68,8 @@ public class ASTFactory {
return new ClassOrInterface(modifier, name, felder, methoden, konstruktoren, genericDeclarationList, superClass,isInterface, implementedInterfaces, offset);
}
private static RefTypeOrTPHOrWildcardOrGeneric convertType(Type type){
if(type instanceof ParameterizedType){
List<RefTypeOrTPHOrWildcardOrGeneric> params = new ArrayList<>();
for(Type paramType : ((ParameterizedType)type).getActualTypeArguments()){
params.add(convertType(paramType));
}
JavaClassName name = new JavaClassName(((ParameterizedType) type).getRawType().getTypeName());
return new RefType(name, params, new NullToken());
}else if(type instanceof TypeVariable){
return new GenericRefType(((TypeVariable) type).getName(), new NullToken());
}else if(type instanceof Class){
List<RefTypeOrTPHOrWildcardOrGeneric> params = new ArrayList<>();
Class paramClass = (Class) type;
for(TypeVariable tv : paramClass.getTypeParameters()){
params.add(new GenericRefType(tv.getName(), new NullToken()));
}
JavaClassName name = new JavaClassName(paramClass.getName());
return new RefType(name, params, new NullToken());
}else throw new NotImplementedException();
}
private static Field createField(java.lang.reflect.Field field, JavaClassName jreClass) {
return new Field(field.getName(), createType(field.getType(), jreClass, null), field.getModifiers(), new NullToken());
return new Field(field.getName(), createType(field.getType()), field.getModifiers(), new NullToken());
}
//private static RefType createType(Class classType) {
@ -99,13 +78,13 @@ public class ASTFactory {
private static de.dhbwstuttgart.syntaxtree.Constructor createConstructor(Constructor constructor, Class inClass) {
String name = constructor.getName();
RefTypeOrTPHOrWildcardOrGeneric returnType = createType(inClass, new JavaClassName(inClass.getName()), name);
RefTypeOrTPHOrWildcardOrGeneric returnType = createType(inClass);
Parameter[] jreParams = constructor.getParameters();
Type[] jreGenericParams = constructor.getGenericParameterTypes();
List<FormalParameter> params = new ArrayList<>();
int i = 0;
for(Type jreParam : jreGenericParams){
RefTypeOrTPHOrWildcardOrGeneric paramType = createType(jreParam,new JavaClassName(inClass.getName()), name);
RefTypeOrTPHOrWildcardOrGeneric paramType = createType(jreParam);
params.add(new FormalParameter(jreParams[i].getName(),paramType, new NullToken()));
i++;
}
@ -131,13 +110,13 @@ public class ASTFactory {
}else{
jreRetType = jreMethod.getReturnType();
}
returnType = createType(jreRetType,new JavaClassName(inClass.getName()), name);
returnType = createType(jreRetType);
Parameter[] jreParams = jreMethod.getParameters();
Type[] jreGenericParams = jreMethod.getGenericParameterTypes();
List<FormalParameter> params = new ArrayList<>();
int i = 0;
for(Type jreParam : jreGenericParams){
RefTypeOrTPHOrWildcardOrGeneric paramType = createType(jreParam,new JavaClassName(inClass.getName()), name);
RefTypeOrTPHOrWildcardOrGeneric paramType = createType(jreParam);
params.add(new FormalParameter(jreParams[i].getName(),paramType, new NullToken()));
i++;
}
@ -158,18 +137,7 @@ public class ASTFactory {
return new GenericDeclarationList(gtvs,new NullToken());
}
/*
public RefType createType(java.lang.Class jreClass){
List<RefTypeOrTPH> params = new ArrayList<>();
for(TypeVariable jreTV : jreClass.getTypeParameters()){
RefType gtv = createType(jreTV);
params.add(gtv);
}
return new RefType(names.getName(jreClass.getName()), params, new NullToken());
}
*/
private static RefTypeOrTPHOrWildcardOrGeneric createType(java.lang.reflect.Type type, JavaClassName parentClass, String parentMethod){
private static RefTypeOrTPHOrWildcardOrGeneric createType(java.lang.reflect.Type type){
if(type.getTypeName().equals("void")){
return new Void(new NullToken());
}else if(type.getTypeName().equals("int")){
@ -194,7 +162,7 @@ public class ASTFactory {
List<RefTypeOrTPHOrWildcardOrGeneric> params = new ArrayList<>();
if(type instanceof ParameterizedType){
for(Type t : ((ParameterizedType)type).getActualTypeArguments()){
params.add(createType(t, parentClass, parentMethod));
params.add(createType(t));
}
}
String name = type.getTypeName();
@ -205,9 +173,9 @@ public class ASTFactory {
if(type instanceof java.lang.reflect.WildcardType){
java.lang.reflect.WildcardType wildcardType = (java.lang.reflect.WildcardType) type;
if(wildcardType.getLowerBounds().length > 0){
return new SuperWildcardType(convertType(wildcardType.getLowerBounds()[0]), new NullToken());
return new SuperWildcardType(createType(wildcardType.getLowerBounds()[0]), new NullToken());
}else if(wildcardType.getUpperBounds().length > 0){
return new ExtendsWildcardType(convertType(wildcardType.getUpperBounds()[0]), new NullToken());
return new ExtendsWildcardType(createType(wildcardType.getUpperBounds()[0]), new NullToken());
}else{//Es handelt sich um den '?'-Typ:
return new ExtendsWildcardType(createObjectType(), new NullToken());
}
@ -224,7 +192,7 @@ public class ASTFactory {
java.lang.reflect.Type[] bounds = jreTypeVar.getBounds();
if(bounds.length > 0){
for(java.lang.reflect.Type bound : bounds){
genericBounds.add((RefType) createType(bound, parentClass, parentMethod));
genericBounds.add((RefType) createType(bound));
}
}
return new de.dhbwstuttgart.syntaxtree.GenericTypeVar(jreTVName, genericBounds, new NullToken(), new NullToken());

4
src/de/dhbwstuttgart/typeinference/assumptions/MethodAssumption.java
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@ -47,9 +47,7 @@ public class MethodAssumption extends Assumption{
public List<RefTypeOrTPHOrWildcardOrGeneric> getArgTypes(GenericsResolver resolver) {
List<RefTypeOrTPHOrWildcardOrGeneric> ret = new ArrayList<>();
for(RefTypeOrTPHOrWildcardOrGeneric param : params){
if(param instanceof GenericRefType){ //Generics in den Assumptions müssen umgewandelt werden.
param = resolver.resolve((GenericRefType) param);
}
param = resolver.resolve(param);
ret.add(param);
}
return ret;

1
src/de/dhbwstuttgart/typeinference/typeAlgo/TYPE.java
View File

@ -60,7 +60,6 @@ public class TYPE {
return new TypeInferenceInformation(classes);
}
*/
private ConstraintSet getConstraintsMethod(Method m, TypeInferenceInformation info, ClassOrInterface currentClass) {
if(m.block == null)return new ConstraintSet(); //Abstrakte Methoden generieren keine Constraints