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[libclang] Return the proper pointee type for 'auto' deduced to pointer 

Currently the resulting type is always invalid in such case.

Differential Revision: https://reviews.llvm.org/D51281

llvm-svn: 341656
This commit is contained in:
Ivan Donchevskii 2018-09-07 13:23:51 +00:00
parent 8f060aac2f
commit 38bdf54b49
2 changed files with 10 additions and 0 deletions
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3
clang/test/Index/print-type.cpp
View File

@ -75,6 +75,8 @@ template<typename T> struct A {};
template<typename T> using C = T;
using baz = C<A<void>>;
auto autoTemplPointer = &autoTemplRefParam;
// 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]
@ -182,3 +184,4 @@ using baz = C<A<void>>;
// CHECK: UnexposedExpr=templRefParam:71:40 [type=const Specialization<Specialization<bool> &>] [typekind=Unexposed] const [templateargs/1= [type=Specialization<bool> &] [typekind=LValueReference]] [canonicaltype=const Specialization<Specialization<bool> &>] [canonicaltypekind=Record] [canonicaltemplateargs/1= [type=Specialization<bool> &] [typekind=LValueReference]] [isPOD=1]
// CHECK: DeclRefExpr=templRefParam:71:40 [type=Specialization<Specialization<bool> &>] [typekind=Unexposed] [templateargs/1= [type=Specialization<bool> &] [typekind=LValueReference]] [canonicaltype=Specialization<Specialization<bool> &>] [canonicaltypekind=Record] [canonicaltemplateargs/1= [type=Specialization<bool> &] [typekind=LValueReference]] [isPOD=1]
// CHECK: TypeAliasDecl=baz:76:7 (Definition) [type=baz] [typekind=Typedef] [templateargs/1= [type=A<void>] [typekind=Unexposed]] [canonicaltype=A<void>] [canonicaltypekind=Record] [canonicaltemplateargs/1= [type=void] [typekind=Void]] [isPOD=0]
// CHECK: VarDecl=autoTemplPointer:78:6 (Definition) [type=Specialization<Specialization<bool> &> *] [typekind=Auto] [canonicaltype=Specialization<Specialization<bool> &> *] [canonicaltypekind=Pointer] [isPOD=1] [pointeetype=Specialization<Specialization<bool> &>] [pointeekind=Record]

7
clang/tools/libclang/CXType.cpp
View File

@ -442,6 +442,7 @@ CXType clang_getPointeeType(CXType CT) {
if (!TP)
return MakeCXType(QualType(), GetTU(CT));
try_again:
switch (TP->getTypeClass()) {
case Type::Pointer:
T = cast<PointerType>(TP)->getPointeeType();
@ -459,6 +460,12 @@ CXType clang_getPointeeType(CXType CT) {
case Type::MemberPointer:
T = cast<MemberPointerType>(TP)->getPointeeType();
break;
case Type::Auto:
case Type::DeducedTemplateSpecialization:
TP = cast<DeducedType>(TP)->getDeducedType().getTypePtrOrNull();
if (TP)
goto try_again;
break;
default:
T = QualType();
break;