};
/**
- * \brief Returns the number of template arguments for given class template
- * specialization, or -1 if type \c T is not a class template specialization.
- *
- * Variadic argument packs count as only one argument, and can not be inspected
- * further.
+ * \brief Returns the number of template arguments for given template
+ * specialization, or -1 if type \c T is not a template specialization.
*/
CINDEX_LINKAGE int clang_Type_getNumTemplateArguments(CXType T);
auto autoFunction(){return int();}
decltype(auto) autoInt = 5;
+template <typename T>
+using TypeAlias = outer::Qux<T>;
+
+struct TypeAliasUser { TypeAlias<int> foo; };
+
// RUN: c-index-test -test-print-type %s -std=c++14 | FileCheck %s
// CHECK: Namespace=outer:1:11 (Definition) [type=] [typekind=Invalid] [isPOD=0]
// CHECK: ClassTemplate=Foo:4:8 (Definition) [type=] [typekind=Invalid] [isPOD=0]
// CHECK: TemplateRef=Baz:9:8 [type=] [typekind=Invalid] [isPOD=0]
// CHECK: IntegerLiteral= [type=int] [typekind=Int] [isPOD=1]
// CHECK: TemplateRef=Foo:4:8 [type=] [typekind=Invalid] [isPOD=0]
-// CHECK: FieldDecl=qux:28:29 (Definition) [type=Qux<int, char *, Foo<int> >] [typekind=Unexposed] [canonicaltype=outer::Qux<int, char *, outer::Foo<int> >] [canonicaltypekind=Record] [templateargs/1=] [isPOD=1]
+// CHECK: FieldDecl=qux:28:29 (Definition) [type=Qux<int, char *, Foo<int> >] [typekind=Unexposed] [canonicaltype=outer::Qux<int, char *, outer::Foo<int> >] [canonicaltypekind=Record] [templateargs/3= [type=int] [typekind=Int] [type=char *] [typekind=Pointer] [type=Foo<int>] [typekind=Unexposed]] [isPOD=1]
// CHECK: TemplateRef=Qux:12:8 [type=] [typekind=Invalid] [isPOD=0]
// CHECK: TemplateRef=Foo:4:8 [type=] [typekind=Invalid] [isPOD=0]
// CHECK: FunctionTemplate=tbar:35:3 [type=T (int)] [typekind=FunctionProto] [canonicaltype=type-parameter-0-0 (int)] [canonicaltypekind=FunctionProto] [resulttype=T] [resulttypekind=Unexposed] [isPOD=0]
// CHECK: UnexposedExpr= [type=int] [typekind=Int] [isPOD=1]
// CHECK: VarDecl=autoInt:57:16 (Definition) [type=int] [typekind=Auto] [canonicaltype=int] [canonicaltypekind=Int] [isPOD=1]
// CHECK: IntegerLiteral= [type=int] [typekind=Int] [isPOD=1]
+// CHECK: TypeAliasTemplateDecl=TypeAlias:60:1 (Definition) [type=] [typekind=Invalid] [isPOD=0]
+// CHECK: TemplateTypeParameter=T:59:20 (Definition) [type=T] [typekind=Unexposed] [canonicaltype=type-parameter-0-0] [canonicaltypekind=Unexposed] [isPOD=0]
+// CHECK: FieldDecl=foo:62:39 (Definition) [type=TypeAlias<int>] [typekind=Unexposed] [canonicaltype=outer::Qux<int>] [canonicaltypekind=Record] [templateargs/1= [type=int] [typekind=Int]] [isPOD=1]
+// CHECK: TemplateRef=TypeAlias:60:1 [type=] [typekind=Invalid] [isPOD=0]
QualType T = GetQualType(CT);
if (T.isNull())
return -1;
- const CXXRecordDecl *RecordDecl = T->getAsCXXRecordDecl();
- if (!RecordDecl)
+ const TemplateSpecializationType *Specialization =
+ T->getAs<TemplateSpecializationType>();
+ if (!Specialization)
return -1;
- const ClassTemplateSpecializationDecl *TemplateDecl =
- dyn_cast<ClassTemplateSpecializationDecl>(RecordDecl);
- if (!TemplateDecl)
- return -1;
- return TemplateDecl->getTemplateArgs().size();
+ return Specialization->template_arguments().size();
}
CXType clang_Type_getTemplateArgumentAsType(CXType CT, unsigned i) {
QualType T = GetQualType(CT);
if (T.isNull())
return MakeCXType(QualType(), GetTU(CT));
- const CXXRecordDecl *RecordDecl = T->getAsCXXRecordDecl();
- if (!RecordDecl)
- return MakeCXType(QualType(), GetTU(CT));
- const ClassTemplateSpecializationDecl *TemplateDecl =
- dyn_cast<ClassTemplateSpecializationDecl>(RecordDecl);
- if (!TemplateDecl)
+
+ const TemplateSpecializationType *Specialization =
+ T->getAs<TemplateSpecializationType>();
+ if (!Specialization)
return MakeCXType(QualType(), GetTU(CT));
- const TemplateArgumentList &TA = TemplateDecl->getTemplateArgs();
+ auto TA = Specialization->template_arguments();
if (TA.size() <= i)
return MakeCXType(QualType(), GetTU(CT));
- const TemplateArgument &A = TA.get(i);
+ const TemplateArgument &A = TA[i];
if (A.getKind() != TemplateArgument::Type)
return MakeCXType(QualType(), GetTU(CT));
return MakeCXType(A.getAsType(), GetTU(CT));