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[Index] fix USR generation for namespace{extern{X}} 

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@324093 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sam McCall 2018-02-02 14:13:37 +00:00
parent e705029e94
commit 7d84cfa2cd
2 changed files with 10 additions and 1 deletions
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4
lib/Index/USRGeneration.cpp
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@ -103,7 +103,7 @@ public:
void VisitUnresolvedUsingTypenameDecl(const UnresolvedUsingTypenameDecl *D);
void VisitLinkageSpecDecl(const LinkageSpecDecl *D) {
IgnoreResults = true;
IgnoreResults = true; // No USRs for linkage specs themselves.
}
void VisitUsingDirectiveDecl(const UsingDirectiveDecl *D) {
@ -192,6 +192,8 @@ bool USRGenerator::ShouldGenerateLocation(const NamedDecl *D) {
void USRGenerator::VisitDeclContext(const DeclContext *DC) {
if (const NamedDecl *D = dyn_cast<NamedDecl>(DC))
Visit(D);
else if (isa<LinkageSpecDecl>(DC)) // Linkage specs are transparent in USRs.
VisitDeclContext(DC->getParent());
}
void USRGenerator::VisitFieldDecl(const FieldDecl *D) {

7
test/Index/USR/linkage.cpp Normal file
View File

@ -0,0 +1,7 @@
// RUN: c-index-test core -print-source-symbols -- %s | FileCheck %s
// Linkage decls are skipped in USRs for enclosed items.
// Linkage decls themselves don't have USRs (no lines between ns and X).
// CHECK: {{[0-9]+}}:11 | namespace/C++ | ns | c:@N@ns |
// CHECK-NEXT: {{[0-9]+}}:33 | variable/C | X | c:@N@ns@X |
namespace ns { extern "C" { int X; } }