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Bug 540909 - underlying_type of typedef to enum

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Change-Id: Ic4f48c4da79419d5404e132da2944ee2823ca41f
This commit is contained in:
Nathan Ridge 2018-11-08 19:54:31 -05:00
parent ef2b34f148
commit b6c1a085d1
2 changed files with 21 additions and 1 deletions
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17
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2CPPTests.java
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@ -11346,6 +11346,23 @@ public class AST2CPPTests extends AST2CPPTestBase {
assertSameType((ITypedef) helper.assertNonProblem("loong_type"), CPPBasicType.LONG);
}
// template <typename T>
// struct underlying_type {
// typedef __underlying_type(T) type;
// };
//
// enum class FooBar { Foo, Bar };
// using Alias = FooBar;
//
// void bar(underlying_type<Alias>::type);
//
// void test() {
// bar(2);
// }
public void testUnderlyingType_540909() throws Exception {
parseAndCheckBindings(getAboveComment(), CPP, true /* use GNU extensions */);
}
// void ptrFunc(void*);
// void intFunc(int);
// void foo(int* pi, unsigned i) {

5
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/TypeTraits.java
View file

@ -475,7 +475,10 @@ public class TypeTraits {
public static IType underlyingType(IType type) {
if (CPPTemplates.isDependentType(type)) {
return new CPPUnaryTypeTransformation(Operator.underlying_type, type);
} else if (!(type instanceof ICPPEnumeration)) {
}
type = SemanticUtil.getSimplifiedType(type);
if (!(type instanceof ICPPEnumeration)) {
return ProblemType.ENUMERATION_EXPECTED;
} else {
ICPPEnumeration enumeration = (ICPPEnumeration) type;