libclang: New functions clang_Type_getNumTemplateArguments,
clang_Type_getTemplateArgument Note that these functions don't handle variadic templates -- see tests. Patch by Matthieu Nottale and Philippe Daouadi. llvm-svn: 202406
This commit is contained in:
Dmitri Gribenko
parent
d8c2fbd57f
commit
6ede6aba28
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@ -3080,6 +3080,24 @@ enum CXRefQualifierKind {
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CXRefQualifier_RValue
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};
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/**
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* \brief Returns the number of template arguments for given class template
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* specialization, or -1 if type \c T is not a class template specialization.
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*
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* Variadic argument packs count as only one argument, and can not be inspected
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* further.
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*/
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CINDEX_LINKAGE int clang_Type_getNumTemplateArguments(CXType T);
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/**
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* \brief Returns the type template argument of a template class specialization
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* at given index.
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*
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* This function only returns template type arguments and does not handle
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* template template arguments or variadic packs.
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*/
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CINDEX_LINKAGE CXType clang_Type_getTemplateArgumentAsType(CXType T, unsigned i);
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/**
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* \brief Retrieve the ref-qualifier kind of a function or method.
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*
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@ -5,10 +5,16 @@ struct Foo {
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T t;
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};
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template <typename T, unsigned U, template<typename> class W>
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struct Baz { };
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template <typename... T>
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struct Qux { };
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namespace inner {
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struct Bar {
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Bar(outer::Foo<bool>* foo) { };
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Bar(outer::Foo<bool>* foo) { }
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typedef int FooType;
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int *p;
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@ -18,6 +24,8 @@ struct Bar {
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}
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typedef double OtherType;
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typedef int ArrayType[5];
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Baz<int, 1, Foo> baz;
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Qux<int, char*, Foo<int>> qux;
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};
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}
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@ -39,43 +47,74 @@ struct Blob {
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};
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int Blob::*member_pointer;
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// RUN: c-index-test -test-print-type %s | FileCheck %s
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// RUN: c-index-test -test-print-type %s -std=c++11 | FileCheck %s
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// CHECK: Namespace=outer:1:11 (Definition) [type=] [typekind=Invalid] [isPOD=0]
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// CHECK: ClassTemplate=Foo:4:8 (Definition) [type=] [typekind=Invalid] [isPOD=0]
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// CHECK: TemplateTypeParameter=T:3:19 (Definition) [type=T] [typekind=Unexposed] [canonicaltype=type-parameter-0-0] [canonicaltypekind=Unexposed] [isPOD=0]
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// CHECK: FieldDecl=t:5:5 (Definition) [type=T] [typekind=Unexposed] [canonicaltype=type-parameter-0-0] [canonicaltypekind=Unexposed] [isPOD=0]
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// CHECK: TypeRef=T:3:19 [type=T] [typekind=Unexposed] [canonicaltype=type-parameter-0-0] [canonicaltypekind=Unexposed] [isPOD=0]
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// CHECK: Namespace=inner:8:11 (Definition) [type=] [typekind=Invalid] [isPOD=0]
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// CHECK: StructDecl=Bar:10:8 (Definition) [type=outer::inner::Bar] [typekind=Record] [isPOD=0]
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// CHECK: CXXConstructor=Bar:11:3 (Definition) [type=void (outer::Foo<bool> *){{.*}}] [typekind=FunctionProto] [canonicaltype=void (outer::Foo<bool> *){{.*}}] [canonicaltypekind=FunctionProto] [resulttype=void] [resulttypekind=Void] [args= [outer::Foo<bool> *] [Pointer]] [isPOD=0]
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// CHECK: ParmDecl=foo:11:25 (Definition) [type=outer::Foo<bool> *] [typekind=Pointer] [canonicaltype=outer::Foo<bool> *] [canonicaltypekind=Pointer] [isPOD=1]
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// CHECK: ClassTemplate=Baz:9:8 (Definition) [type=] [typekind=Invalid] [isPOD=0]
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// CHECK: TemplateTypeParameter=T:8:20 (Definition) [type=T] [typekind=Unexposed] [canonicaltype=type-parameter-0-0] [canonicaltypekind=Unexposed] [isPOD=0]
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// CHECK: NonTypeTemplateParameter=U:8:32 (Definition) [type=unsigned int] [typekind=UInt] [isPOD=1]
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// CHECK: TemplateTemplateParameter=W:8:60 (Definition) [type=] [typekind=Invalid] [isPOD=0]
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// CHECK: Namespace=inner:14:11 (Definition) [type=] [typekind=Invalid] [isPOD=0]
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// CHECK: StructDecl=Bar:16:8 (Definition) [type=outer::inner::Bar] [typekind=Record] [isPOD=0]
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// CHECK: CXXConstructor=Bar:17:3 (Definition) [type=void (outer::Foo<bool> *){{.*}}] [typekind=FunctionProto] [canonicaltype=void (outer::Foo<bool> *){{.*}}] [canonicaltypekind=FunctionProto] [resulttype=void] [resulttypekind=Void] [args= [outer::Foo<bool> *] [Pointer]] [isPOD=0]
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// CHECK: ParmDecl=foo:17:25 (Definition) [type=outer::Foo<bool> *] [typekind=Pointer] [canonicaltype=outer::Foo<bool> *] [canonicaltypekind=Pointer] [isPOD=1]
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// CHECK: NamespaceRef=outer:1:11 [type=] [typekind=Invalid] [isPOD=0]
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// CHECK: TemplateRef=Foo:4:8 [type=] [typekind=Invalid] [isPOD=0]
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// CHECK: CompoundStmt= [type=] [typekind=Invalid] [isPOD=0]
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// CHECK: TypedefDecl=FooType:13:15 (Definition) [type=FooType] [typekind=Typedef] [canonicaltype=int] [canonicaltypekind=Int] [isPOD=1]
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// CHECK: FieldDecl=p:14:8 (Definition) [type=int *] [typekind=Pointer] [isPOD=1]
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// CHECK: CXXMethod=f:15:8 (Definition) [type=int *(int *, char *, FooType){{.*}}] [typekind=FunctionProto] [canonicaltype=int *(int *, char *, int){{.*}}] [canonicaltypekind=FunctionProto] [resulttype=int *] [resulttypekind=Pointer] [args= [int *] [Pointer] [char *] [Pointer] [FooType] [Typedef]] [isPOD=0]
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// CHECK: ParmDecl=p:15:15 (Definition) [type=int *] [typekind=Pointer] [isPOD=1]
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// CHECK: ParmDecl=x:15:24 (Definition) [type=char *] [typekind=Pointer] [isPOD=1]
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// CHECK: ParmDecl=z:15:35 (Definition) [type=FooType] [typekind=Typedef] [canonicaltype=int] [canonicaltypekind=Int] [isPOD=1]
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// CHECK: TypeRef=FooType:13:15 [type=FooType] [typekind=Typedef] [canonicaltype=int] [canonicaltypekind=Int] [isPOD=1]
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// CHECK: TypedefDecl=FooType:19:15 (Definition) [type=FooType] [typekind=Typedef] [canonicaltype=int] [canonicaltypekind=Int] [isPOD=1]
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// CHECK: FieldDecl=p:20:8 (Definition) [type=int *] [typekind=Pointer] [isPOD=1]
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// CHECK: CXXMethod=f:21:8 (Definition) [type=int *(int *, char *, FooType){{.*}}] [typekind=FunctionProto] [canonicaltype=int *(int *, char *, int){{.*}}] [canonicaltypekind=FunctionProto] [resulttype=int *] [resulttypekind=Pointer] [args= [int *] [Pointer] [char *] [Pointer] [FooType] [Typedef]] [isPOD=0]
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// CHECK: ParmDecl=p:21:15 (Definition) [type=int *] [typekind=Pointer] [isPOD=1]
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// CHECK: ParmDecl=x:21:24 (Definition) [type=char *] [typekind=Pointer] [isPOD=1]
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// CHECK: ParmDecl=z:21:35 (Definition) [type=FooType] [typekind=Typedef] [canonicaltype=int] [canonicaltypekind=Int] [isPOD=1]
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// CHECK: TypeRef=FooType:19:15 [type=FooType] [typekind=Typedef] [canonicaltype=int] [canonicaltypekind=Int] [isPOD=1]
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// CHECK: CompoundStmt= [type=] [typekind=Invalid] [isPOD=0]
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// CHECK: DeclStmt= [type=] [typekind=Invalid] [isPOD=0]
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// CHECK: VarDecl=w:16:19 (Definition) [type=const FooType] [typekind=Typedef] const [canonicaltype=const int] [canonicaltypekind=Int] [isPOD=1]
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// CHECK: TypeRef=FooType:13:15 [type=FooType] [typekind=Typedef] [canonicaltype=int] [canonicaltypekind=Int] [isPOD=1]
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// CHECK: DeclRefExpr=z:15:35 [type=FooType] [typekind=Typedef] [canonicaltype=int] [canonicaltypekind=Int] [isPOD=1]
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// CHECK: VarDecl=w:22:19 (Definition) [type=const FooType] [typekind=Typedef] const [canonicaltype=const int] [canonicaltypekind=Int] [isPOD=1]
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// CHECK: TypeRef=FooType:19:15 [type=FooType] [typekind=Typedef] [canonicaltype=int] [canonicaltypekind=Int] [isPOD=1]
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// CHECK: UnexposedExpr=z:21:35 [type=FooType] [typekind=Typedef] [canonicaltype=int] [canonicaltypekind=Int] [isPOD=1]
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// CHECK: DeclRefExpr=z:21:35 [type=FooType] [typekind=Typedef] [canonicaltype=int] [canonicaltypekind=Int] [isPOD=1]
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// CHECK: ReturnStmt= [type=] [typekind=Invalid] [isPOD=0]
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// CHECK: BinaryOperator= [type=int *] [typekind=Pointer] [isPOD=1]
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// CHECK: DeclRefExpr=p:15:15 [type=int *] [typekind=Pointer] [isPOD=1]
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// CHECK: DeclRefExpr=z:15:35 [type=FooType] [typekind=Typedef] [canonicaltype=int] [canonicaltypekind=Int] [isPOD=1]
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// CHECK: TypedefDecl=OtherType:19:18 (Definition) [type=OtherType] [typekind=Typedef] [canonicaltype=double] [canonicaltypekind=Double] [isPOD=1]
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// CHECK: TypedefDecl=ArrayType:20:15 (Definition) [type=ArrayType] [typekind=Typedef] [canonicaltype=int [5]] [canonicaltypekind=ConstantArray] [isPOD=1]
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// CHECK: FunctionTemplate=tbar:27:3 [type=T (int)] [typekind=FunctionProto] [canonicaltype=type-parameter-0-0 (int)] [canonicaltypekind=FunctionProto] [resulttype=T] [resulttypekind=Unexposed] [isPOD=0]
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// CHECK: TemplateTypeParameter=T:26:20 (Definition) [type=T] [typekind=Unexposed] [canonicaltype=type-parameter-0-0] [canonicaltypekind=Unexposed] [isPOD=0]
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// CHECK: FunctionTemplate=tbar:30:3 [type=T (int *)] [typekind=FunctionProto] [canonicaltype=type-parameter-0-0 (int *)] [canonicaltypekind=FunctionProto] [resulttype=T] [resulttypekind=Unexposed] [isPOD=0]
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// CHECK: ParmDecl=:30:11 (Definition) [type=int [5]] [typekind=ConstantArray] [isPOD=1]
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// CHECK: FunctionTemplate=tbar:33:3 [type=T (int *)] [typekind=FunctionProto] [canonicaltype=type-parameter-0-0 (int *)] [canonicaltypekind=FunctionProto] [resulttype=T] [resulttypekind=Unexposed] [isPOD=0]
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// CHECK: ParmDecl=:33:11 (Definition) [type=int [size]] [typekind=DependentSizedArray] [isPOD=0]
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// CHECK: ParmDecl=incomplete_array:35:21 (Definition) [type=int []] [typekind=IncompleteArray] [isPOD=1]
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// CHECK: VarDecl=variable_array:35:47 (Definition) [type=int [i]] [typekind=VariableArray] [isPOD=1]
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// CHECK: VarDecl=member_pointer:40:12 (Definition) [type=int Blob::*] [typekind=MemberPointer] [isPOD=1]
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// CHECK: UnexposedExpr=p:21:15 [type=int *] [typekind=Pointer] [isPOD=1]
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// CHECK: DeclRefExpr=p:21:15 [type=int *] [typekind=Pointer] [isPOD=1]
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// CHECK: UnexposedExpr=z:21:35 [type=FooType] [typekind=Typedef] [canonicaltype=int] [canonicaltypekind=Int] [isPOD=1]
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// CHECK: DeclRefExpr=z:21:35 [type=FooType] [typekind=Typedef] [canonicaltype=int] [canonicaltypekind=Int] [isPOD=1]
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// CHECK: TypedefDecl=OtherType:25:18 (Definition) [type=OtherType] [typekind=Typedef] [canonicaltype=double] [canonicaltypekind=Double] [isPOD=1]
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// CHECK: TypedefDecl=ArrayType:26:15 (Definition) [type=ArrayType] [typekind=Typedef] [canonicaltype=int [5]] [canonicaltypekind=ConstantArray] [isPOD=1]
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// CHECK: IntegerLiteral= [type=int] [typekind=Int] [isPOD=1]
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// CHECK: FieldDecl=baz:27:20 (Definition) [type=Baz<int, 1, Foo>] [typekind=Unexposed] [canonicaltype=outer::Baz<int, 1, Foo>] [canonicaltypekind=Record] [templateargs/3= [type=int] [typekind=Int]] [isPOD=1]
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// CHECK: TemplateRef=Baz:9:8 [type=] [typekind=Invalid] [isPOD=0]
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// CHECK: IntegerLiteral= [type=int] [typekind=Int] [isPOD=1]
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// CHECK: TemplateRef=Foo:4:8 [type=] [typekind=Invalid] [isPOD=0]
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// 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]
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// CHECK: TemplateRef=Qux:12:8 [type=] [typekind=Invalid] [isPOD=0]
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// CHECK: TemplateRef=Foo:4:8 [type=] [typekind=Invalid] [isPOD=0]
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// CHECK: FunctionTemplate=tbar:35:3 [type=T (int)] [typekind=FunctionProto] [canonicaltype=type-parameter-0-0 (int)] [canonicaltypekind=FunctionProto] [resulttype=T] [resulttypekind=Unexposed] [isPOD=0]
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// CHECK: TemplateTypeParameter=T:34:20 (Definition) [type=T] [typekind=Unexposed] [canonicaltype=type-parameter-0-0] [canonicaltypekind=Unexposed] [isPOD=0]
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// CHECK: TypeRef=T:34:20 [type=T] [typekind=Unexposed] [canonicaltype=type-parameter-0-0] [canonicaltypekind=Unexposed] [isPOD=0]
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// CHECK: ParmDecl=:35:11 (Definition) [type=int] [typekind=Int] [isPOD=1]
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// CHECK: FunctionTemplate=tbar:38:3 [type=T (int *)] [typekind=FunctionProto] [canonicaltype=type-parameter-0-0 (int *)] [canonicaltypekind=FunctionProto] [resulttype=T] [resulttypekind=Unexposed] [isPOD=0]
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// CHECK: TemplateTypeParameter=T:37:20 (Definition) [type=T] [typekind=Unexposed] [canonicaltype=type-parameter-0-0] [canonicaltypekind=Unexposed] [isPOD=0]
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// CHECK: TypeRef=T:37:20 [type=T] [typekind=Unexposed] [canonicaltype=type-parameter-0-0] [canonicaltypekind=Unexposed] [isPOD=0]
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// CHECK: ParmDecl=:38:11 (Definition) [type=int [5]] [typekind=ConstantArray] [isPOD=1]
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// CHECK: IntegerLiteral= [type=int] [typekind=Int] [isPOD=1]
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// CHECK: FunctionTemplate=tbar:41:3 [type=T (int *)] [typekind=FunctionProto] [canonicaltype=type-parameter-0-0 (int *)] [canonicaltypekind=FunctionProto] [resulttype=T] [resulttypekind=Unexposed] [isPOD=0]
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// CHECK: TemplateTypeParameter=T:40:20 (Definition) [type=T] [typekind=Unexposed] [canonicaltype=type-parameter-0-0] [canonicaltypekind=Unexposed] [isPOD=0]
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// CHECK: NonTypeTemplateParameter=size:40:27 (Definition) [type=int] [typekind=Int] [isPOD=1]
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// CHECK: TypeRef=T:40:20 [type=T] [typekind=Unexposed] [canonicaltype=type-parameter-0-0] [canonicaltypekind=Unexposed] [isPOD=0]
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// CHECK: ParmDecl=:41:11 (Definition) [type=int [size]] [typekind=DependentSizedArray] [isPOD=0]
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// CHECK: DeclRefExpr=size:40:27 [type=int] [typekind=Int] [isPOD=1]
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// CHECK: FunctionDecl=foo:43:6 (Definition) [type=void (int, int *)] [typekind=FunctionProto] [canonicaltype=void (int, int *)] [canonicaltypekind=FunctionProto] [resulttype=void] [resulttypekind=Void] [args= [int] [Int] [int []] [IncompleteArray]] [isPOD=0]
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// CHECK: ParmDecl=i:43:14 (Definition) [type=int] [typekind=Int] [isPOD=1]
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// CHECK: ParmDecl=incomplete_array:43:21 (Definition) [type=int []] [typekind=IncompleteArray] [isPOD=1]
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// CHECK: CompoundStmt= [type=] [typekind=Invalid] [isPOD=0]
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// CHECK: DeclStmt= [type=] [typekind=Invalid] [isPOD=0]
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// CHECK: VarDecl=variable_array:43:47 (Definition) [type=int [i]] [typekind=VariableArray] [isPOD=1]
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// CHECK: DeclRefExpr=i:43:14 [type=int] [typekind=Int] [isPOD=1]
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// CHECK: StructDecl=Blob:45:8 (Definition) [type=Blob] [typekind=Record] [isPOD=1]
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// CHECK: FieldDecl=i:46:7 (Definition) [type=int] [typekind=Int] [isPOD=1]
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// CHECK: VarDecl=member_pointer:48:12 (Definition) [type=int Blob::*] [typekind=MemberPointer] [isPOD=1]
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@ -1263,11 +1263,11 @@ static enum CXChildVisitResult PrintType(CXCursor cursor, CXCursor p,
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}
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/* Print the argument types if they exist. */
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{
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int numArgs = clang_Cursor_getNumArguments(cursor);
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if (numArgs != -1 && numArgs != 0) {
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int NumArgs = clang_Cursor_getNumArguments(cursor);
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if (NumArgs != -1 && NumArgs != 0) {
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int i;
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printf(" [args=");
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for (i = 0; i < numArgs; ++i) {
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for (i = 0; i < NumArgs; ++i) {
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CXType T = clang_getCursorType(clang_Cursor_getArgument(cursor, i));
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if (T.kind != CXType_Invalid) {
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PrintTypeAndTypeKind(T, " [%s] [%s]");
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@ -1276,6 +1276,21 @@ static enum CXChildVisitResult PrintType(CXCursor cursor, CXCursor p,
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printf("]");
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}
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}
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/* Print the template argument types if they exist. */
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{
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int NumTArgs = clang_Type_getNumTemplateArguments(T);
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if (NumTArgs != -1 && NumTArgs != 0) {
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int i;
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printf(" [templateargs/%d=", NumTArgs);
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for (i = 0; i < NumTArgs; ++i) {
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CXType TArg = clang_Type_getTemplateArgumentAsType(T, i);
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if (TArg.kind != CXType_Invalid) {
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PrintTypeAndTypeKind(TArg, " [type=%s] [typekind=%s]");
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}
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}
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printf("]");
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}
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}
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/* Print if this is a non-POD type. */
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printf(" [isPOD=%d]", clang_isPODType(T));
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@ -871,4 +871,38 @@ CXString clang_getDeclObjCTypeEncoding(CXCursor C) {
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return cxstring::createDup(encoding);
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}
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int clang_Type_getNumTemplateArguments(CXType CT) {
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QualType T = GetQualType(CT);
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if (T.isNull())
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return -1;
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const CXXRecordDecl *RecordDecl = T->getAsCXXRecordDecl();
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if (!RecordDecl)
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return -1;
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const ClassTemplateSpecializationDecl *TemplateDecl =
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dyn_cast<ClassTemplateSpecializationDecl>(RecordDecl);
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if (!TemplateDecl)
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return -1;
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return TemplateDecl->getTemplateArgs().size();
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}
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CXType clang_Type_getTemplateArgumentAsType(CXType CT, unsigned i) {
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QualType T = GetQualType(CT);
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if (T.isNull())
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return MakeCXType(QualType(), GetTU(CT));
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const CXXRecordDecl *RecordDecl = T->getAsCXXRecordDecl();
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if (!RecordDecl)
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return MakeCXType(QualType(), GetTU(CT));
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const ClassTemplateSpecializationDecl *TemplateDecl =
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dyn_cast<ClassTemplateSpecializationDecl>(RecordDecl);
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if (!TemplateDecl)
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return MakeCXType(QualType(), GetTU(CT));
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const TemplateArgumentList &TA = TemplateDecl->getTemplateArgs();
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if (TA.size() <= i)
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return MakeCXType(QualType(), GetTU(CT));
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const TemplateArgument &A = TA.get(i);
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if (A.getKind() != TemplateArgument::Type)
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return MakeCXType(QualType(), GetTU(CT));
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return MakeCXType(A.getAsType(), GetTU(CT));
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}
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} // end: extern "C"
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@ -64,6 +64,8 @@ clang_Type_getAlignOf
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clang_Type_getClassType
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clang_Type_getSizeOf
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clang_Type_getOffsetOf
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clang_Type_getNumTemplateArguments
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clang_Type_getTemplateArgumentAsType
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clang_Type_getCXXRefQualifier
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clang_VerbatimBlockLineComment_getText
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clang_VerbatimLineComment_getText
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