private List<IRType> getBoundedParameterTypeDescriptors(IConstructorInfo mi) {
if (mi.getParameters().length == 0) {
return Collections.emptyList();
}
if (mi instanceof IJavaConstructorInfo) {
return IRTypeResolver.getDescriptors(
((IJavaConstructorInfo) mi).getJavaConstructor().getParameterTypes());
} else if (mi instanceof IGosuConstructorInfo) {
IReducedDynamicFunctionSymbol dfs = ((IGosuConstructorInfo) mi).getDfs();
while (dfs instanceof ReducedParameterizedDynamicFunctionSymbol) {
ReducedParameterizedDynamicFunctionSymbol pdfs =
(ReducedParameterizedDynamicFunctionSymbol) dfs;
dfs = pdfs.getBackingDfs();
}
List<IRType> boundedTypes = new ArrayList<IRType>(dfs.getArgs().size());
if (IGosuClass.ProxyUtil.isProxy(dfs.getGosuClass())) {
return getBoundedParamTypesFromProxiedClass(dfs);
}
for (int i = 0; i < dfs.getArgs().size(); i++) {
boundedTypes.add(
IRTypeResolver.getDescriptor(
TypeLord.getDefaultParameterizedTypeWithTypeVars(dfs.getArgs().get(i).getType())));
}
return boundedTypes;
} else {
return getTypeDescriptors(mi.getParameters());
}
}
public Class defineClass(ICompilableTypeInternal gsClass, boolean useSingleServingLoader)
throws ClassNotFoundException {
try {
if (gsClass instanceof IGosuClassInternal
&& ((IGosuClassInternal) gsClass).hasBackingClass()) {
return ((IGosuClassInternal) gsClass).getBackingClass();
}
// there is no point in defining eval classes in a single serving class loader (it wastes
// memory)
if (useSingleServingLoader
|| TypeLord.isEvalProgram(gsClass)
|| isThrowawayProgram(gsClass)
|| isEnclosingTypeInSingleServingLoader(gsClass)
|| hasDiscreteNamespace(gsClass.getNamespace())) {
// These classes are "fire and forget"; they need to be disposable after they run,
// so we load them in a separate class loader so we can unload them -- it's the only
// way to unload a class in java.
return defineClassInLoader(gsClass, true);
}
return findOrDefineClass(gsClass);
} catch (Exception e) {
throw GosuExceptionUtil.forceThrow(e, gsClass.getName());
}
}
@Override
public IGenericTypeVariable[] getTypeVariables(IJavaMethodInfo javaMethodInfo) {
IJavaClassTypeVariable[] rawTypeParams = getTypeParameters();
IType declClass = TypeSystem.get(getEnclosingClass());
TypeVarToTypeMap actualParamByVarName = TypeLord.mapTypeByVarName(declClass, declClass);
FunctionType functionType = new FunctionType(javaMethodInfo, true);
return GenericTypeVariable.convertTypeVars(functionType, rawTypeParams, actualParamByVarName);
}
private IType findCommonClass(IType t1, IType t2) {
do {
t1 = t1.getSupertype();
if (t1 == null) {
return JavaTypes.OBJECT();
}
t1 = TypeLord.getPureGenericType(t1);
} while (!t1.isAssignableFrom(t2));
return t1;
}
public static String getJavaName(IType type) {
if (type != null) {
type = TypeLord.getPureGenericType(type);
IType outerType = type.getEnclosingType();
if (outerType != null) {
return getJavaName(outerType) + "$" + type.getRelativeName();
}
return type.getName();
}
return null;
}
private Constructor getJavaConstructorFromProxy(IReducedDynamicFunctionSymbol dfs) {
IType proxyType = dfs.getGosuClass();
IJavaType javaType = (IJavaType) IGosuClass.ProxyUtil.getProxiedType(proxyType);
IType[] boundedDfsParams = new IType[dfs.getArgs().size()];
for (int i = 0; i < boundedDfsParams.length; i++) {
IType param = dfs.getArgs().get(i).getType();
if (param instanceof ITypeVariableType && param.getEnclosingType() instanceof IGosuClass) {
param = ((ITypeVariableType) param).getBoundingType();
}
boundedDfsParams[i] = param;
}
javaType = (IJavaType) TypeLord.getDefaultParameterizedType(javaType);
IJavaConstructorInfo jmi =
(IJavaConstructorInfo)
((IRelativeTypeInfo) javaType.getTypeInfo()).getConstructor(javaType, boundedDfsParams);
return jmi.getRawConstructor();
}
@Override
public IType getActualType(TypeVarToTypeMap typeMap, boolean bKeepTypeVars) {
IType typeFromMap = typeMap.getByMatcher(this, JavaClassTypeVarMatcher.instance());
if (typeFromMap != null && !(typeFromMap instanceof ErrorType)) {
if (typeFromMap.getName().equals(getName())) {
IType boundingType = ((ITypeVariableType) typeFromMap).getBoundingType();
IType boundingTypeFromMap = TypeLord.getActualType(boundingType, typeMap, bKeepTypeVars);
if (boundingType != boundingTypeFromMap) {
TypeVariableDefinitionImpl tvd =
((TypeVariableDefinitionImpl) ((ITypeVariableType) typeFromMap).getTypeVarDef())
.clone(boundingTypeFromMap);
typeFromMap =
new TypeVariableType(
tvd,
((ITypeVariableType) typeFromMap).getTypeVarDef().getEnclosingType()
instanceof IFunctionType);
((ITypeVariableType) typeFromMap).getTypeVarDef().setVariance(getVariance());
}
}
return typeFromMap;
} else {
return TypeSystem.getErrorType(getName());
}
}
