public void recursiveTemplateSubstitution(SymbolType st, Map<String, SymbolType> typeParamsMap) {
List<SymbolType> bounds = st.getBounds();
if (bounds != null) {
for (SymbolType bound : bounds) {
recursiveTemplateSubstitution(bound, typeParamsMap);
}
} else {
List<SymbolType> params = st.getParameterizedTypes();
if (params != null) {
List<SymbolType> paramsFinal = new LinkedList<SymbolType>();
for (SymbolType param : params) {
String tv = param.getTemplateVariable();
if (tv != null) {
SymbolType genericTypeDef = typeParamsMap.get(tv);
if (genericTypeDef != null) {
paramsFinal.add(genericTypeDef);
} else {
recursiveTemplateSubstitution(param, typeParamsMap);
paramsFinal.add(param);
}
} else {
recursiveTemplateSubstitution(param, typeParamsMap);
paramsFinal.add(param);
}
}
st.setParameterizedTypes(paramsFinal);
}
}
}
private void processSuperGenerics(
SymbolTable table, Symbol<?> symbol, ClassOrInterfaceType type) {
if (type != null) {
Map<String, SymbolType> typeResolution = new HashMap<String, SymbolType>();
ASTSymbolTypeResolver res = new ASTSymbolTypeResolver(typeResolution, table);
SymbolType superType = type.accept(res, null);
List<SymbolType> params = superType.getParameterizedTypes();
Map<String, SymbolType> typeMapping = table.getTypeParams();
if (params != null) {
Symbol<?> superSymbol = symbol.getInnerScope().findSymbol("super");
Scope innerScope = superSymbol.getInnerScope();
Scope aux = null;
if (innerScope != null) {
aux = new Scope(superSymbol);
} else {
aux = new Scope();
}
superSymbol.setInnerScope(aux);
table.pushScope(aux);
Symbol<?> intermediateSuper =
new Symbol("super", superSymbol.getType(), superSymbol.getLocation());
if (innerScope != null) {
intermediateSuper.setInnerScope(innerScope);
}
table.pushSymbol(intermediateSuper);
// extends a parameterizable type
TypeVariable<?>[] tps = superType.getClazz().getTypeParameters();
for (int i = 0; i < tps.length; i++) {
table.pushSymbol(tps[i].getName(), ReferenceType.TYPE_PARAM, params.get(i), null);
}
table.popScope(true);
}
Set<String> genericLetters = typeMapping.keySet();
if (genericLetters != null) {
for (String letter : genericLetters) {
if (typeResolution.containsKey(letter)) {
table.pushSymbol(letter, ReferenceType.TYPE, typeMapping.get(letter), null);
}
}
}
}
}
@Override
public boolean filter(Method method) throws Exception {
if (resultTypeFilters != null) {
b2.setMethod(method);
b2.setArgumentValues(argumentValues);
typeMapping = b2.build(new HashMap<String, SymbolType>(typeMapping));
SymbolType result = SymbolType.valueOf(method, typeMapping);
List<Class<?>> classes = result.getBoundClasses();
resultTypeFilters.setElements(classes);
return resultTypeFilters.filterOne() != null;
}
return false;
}
public void load(SymbolTable table, List<TypeParameter> typeParams, SymbolType thisType) {
if (typeParams != null && !typeParams.isEmpty()) {
List<SymbolType> parameterizedTypes = new LinkedList<SymbolType>();
for (TypeParameter tp : typeParams) {
List<ClassOrInterfaceType> typeBounds = tp.getTypeBound();
List<SymbolType> bounds = new LinkedList<SymbolType>();
SymbolType st = null;
if (typeBounds != null) {
for (ClassOrInterfaceType type : typeBounds) {
SymbolType paramType = ASTSymbolTypeResolver.getInstance().valueOf(type);
if (paramType == null) {
paramType = new SymbolType(Object.class);
}
bounds.add(paramType);
}
st = new SymbolType(bounds);
} else {
st = new SymbolType(Object.class);
}
st.setTemplateVariable(tp.getName());
table.pushSymbol(tp.getName(), ReferenceType.TYPE_PARAM, st, tp);
parameterizedTypes.add(st);
}
Map<String, SymbolType> typeParamsMap = table.getTypeParams();
for (String key : typeParamsMap.keySet()) {
SymbolType st = typeParamsMap.get(key);
recursiveTemplateSubstitution(st, typeParamsMap);
}
if (thisType != null && !parameterizedTypes.isEmpty()) {
thisType.setParameterizedTypes(parameterizedTypes);
}
}
}
@Override
public Map<String, SymbolType> build(Map<String, SymbolType> obj) {
if (obj == null) {
obj = new HashMap<String, SymbolType>();
}
TypeVariable<?>[] typeParams = clazz.getTypeParameters();
if (typeParams != null) {
for (int i = 0; i < typeParams.length; i++) {
if (parameterizedTypes != null) {
if (i >= parameterizedTypes.size()) {
SymbolType st = new SymbolType("java.lang.Object");
st.setTemplateVariable(typeParams[i].getName());
obj.put(typeParams[i].getName(), st);
} else {
if (parameterizedTypes.get(i).getName() == null
&& parameterizedTypes.get(i).hasBounds()) {
obj.put(typeParams[i].getName(), parameterizedTypes.get(i));
} else {
if (!"java.lang.Object".equals(parameterizedTypes.get(i).getName())) {
obj.put(typeParams[i].getName(), parameterizedTypes.get(i));
} else {
SymbolType st = new SymbolType("java.lang.Object");
st.setTemplateVariable(typeParams[i].getName());
obj.put(typeParams[i].getName(), st);
}
}
}
} else {
Type[] bounds = typeParams[i].getBounds();
SymbolType resultType = null;
if (bounds.length == 0) {
resultType = new SymbolType("java.lang.Object");
} else {
try {
SymbolType auxSt = null;
for (int j = 0; j < bounds.length; j++) {
auxSt = SymbolType.valueOf(bounds[j], obj);
if (resultType == null) {
resultType = auxSt;
} else {
resultType = (SymbolType) resultType.merge(auxSt);
}
}
} catch (InvalidTypeException e) {
throw new RuntimeException("Error processing bounds of type ", e);
}
}
if (resultType != null) {
obj.put(typeParams[i].getName(), resultType);
}
}
}
}
return obj;
}