private ITypeBinding getDeclaredType(Expression expr) {
IVariableBinding var = TreeUtil.getVariableBinding(expr);
if (var != null) {
return var.getVariableDeclaration().getType();
}
switch (expr.getKind()) {
case CLASS_INSTANCE_CREATION:
return typeEnv.resolveIOSType("id");
case FUNCTION_INVOCATION:
{
ITypeBinding returnType =
((FunctionInvocation) expr).getFunctionBinding().getReturnType();
if (returnType.isTypeVariable()) {
return typeEnv.resolveIOSType("id");
}
return returnType;
}
case METHOD_INVOCATION:
{
MethodInvocation invocation = (MethodInvocation) expr;
IMethodBinding method = invocation.getMethodBinding();
// Object receiving the message, or null if it's a method in this class.
Expression receiver = invocation.getExpression();
ITypeBinding receiverType =
receiver != null ? receiver.getTypeBinding() : method.getDeclaringClass();
return getDeclaredReturnType(method, receiverType);
}
case PARENTHESIZED_EXPRESSION:
return getDeclaredType(((ParenthesizedExpression) expr).getExpression());
case SUPER_METHOD_INVOCATION:
{
SuperMethodInvocation invocation = (SuperMethodInvocation) expr;
IMethodBinding method = invocation.getMethodBinding();
if (invocation.getQualifier() != null) {
// For a qualified super invocation, the statement generator will look
// up the IMP using instanceMethodForSelector.
if (!method.getReturnType().isPrimitive()) {
return typeEnv.resolveIOSType("id");
} else {
return null;
}
}
return getDeclaredReturnType(
method, TreeUtil.getOwningType(invocation).getTypeBinding().getSuperclass());
}
default:
return null;
}
}
private void possibleStaticImportFound(Name name) {
if (fStaticImports == null || fASTRoot == null) {
return;
}
while (name.isQualifiedName()) {
name = ((QualifiedName) name).getQualifier();
}
if (!isAffected(name)) {
return;
}
IBinding binding = name.resolveBinding();
SimpleName simpleName = (SimpleName) name;
if (binding == null
|| binding instanceof ITypeBinding
|| !Modifier.isStatic(binding.getModifiers())
|| simpleName.isDeclaration()) {
return;
}
if (binding instanceof IVariableBinding) {
IVariableBinding varBinding = (IVariableBinding) binding;
if (varBinding.isField()) {
varBinding = varBinding.getVariableDeclaration();
ITypeBinding declaringClass = varBinding.getDeclaringClass();
if (declaringClass != null && !declaringClass.isLocal()) {
if (new ScopeAnalyzer(fASTRoot)
.isDeclaredInScope(
varBinding, simpleName, ScopeAnalyzer.VARIABLES | ScopeAnalyzer.CHECK_VISIBILITY))
return;
fStaticImports.add(simpleName);
}
}
} else if (binding instanceof IMethodBinding) {
IMethodBinding methodBinding = ((IMethodBinding) binding).getMethodDeclaration();
ITypeBinding declaringClass = methodBinding.getDeclaringClass();
if (declaringClass != null && !declaringClass.isLocal()) {
if (new ScopeAnalyzer(fASTRoot)
.isDeclaredInScope(
methodBinding, simpleName, ScopeAnalyzer.METHODS | ScopeAnalyzer.CHECK_VISIBILITY))
return;
fStaticImports.add(simpleName);
}
}
}