Add -ast-dump-lookups switch to -cc1 to dump DeclContext lookup maps. Test to

follow.

llvm-svn: 184678

1 files changed, 5 insertions, 3 deletions

diff --git a/clang/lib/AST/ASTDumper.cpp b/clang/lib/AST/ASTDumper.cpp
index 3554394ef2e..dddc4d4c18f 100644
--- a/clang/lib/AST/ASTDumper.cpp
+++ b/clang/lib/AST/ASTDumper.cpp
@@ -2031,13 +2031,15 @@ void Decl::dumpColor() const {
 }
 
 void DeclContext::dumpLookups() const {
+  dumpLookups(llvm::errs());
+}
+
+void DeclContext::dumpLookups(raw_ostream &OS) const {
   const DeclContext *DC = this;
   while (!DC->isTranslationUnit())
     DC = DC->getParent();
   ASTContext &Ctx = cast<TranslationUnitDecl>(DC)->getASTContext();
-
-  ASTDumper P(llvm::errs(), &Ctx.getCommentCommandTraits(),
-              &Ctx.getSourceManager());
+  ASTDumper P(OS, &Ctx.getCommentCommandTraits(), &Ctx.getSourceManager());
   P.dumpLookups(this);
 }