[Sema] Store MacroInfo in CodeCompletionResult for macro results.

Summary:
This provides information about the macro definition. For example, it
can be used to compute macro USRs.

Reviewers: sammccall

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D51675

llvm-svn: 341476

1 files changed, 9 insertions, 9 deletions

diff --git a/clang/tools/libclang/CXCursor.cpp b/clang/tools/libclang/CXCursor.cpp
index e69143cee01..890bec7b824 100644
--- a/clang/tools/libclang/CXCursor.cpp
+++ b/clang/tools/libclang/CXCursor.cpp
@@ -1412,16 +1412,16 @@ CXCompletionString clang_getCursorCompletionString(CXCursor cursor) {
     }
   } else if (kind == CXCursor_MacroDefinition) {
     const MacroDefinitionRecord *definition = getCursorMacroDefinition(cursor);
-    const IdentifierInfo *MacroInfo = definition->getName();
+    const IdentifierInfo *Macro = definition->getName();
     ASTUnit *unit = getCursorASTUnit(cursor);
-    CodeCompletionResult Result(MacroInfo);
-    CodeCompletionString *String
-      = Result.CreateCodeCompletionString(unit->getASTContext(),
-                                          unit->getPreprocessor(),
-                                          CodeCompletionContext::CCC_Other,
-                                 unit->getCodeCompletionTUInfo().getAllocator(),
-                                 unit->getCodeCompletionTUInfo(),
-                                 false);
+    CodeCompletionResult Result(
+        Macro,
+        unit->getPreprocessor().getMacroDefinition(Macro).getMacroInfo());
+    CodeCompletionString *String = Result.CreateCodeCompletionString(
+        unit->getASTContext(), unit->getPreprocessor(),
+        CodeCompletionContext::CCC_Other,
+        unit->getCodeCompletionTUInfo().getAllocator(),
+        unit->getCodeCompletionTUInfo(), false);
     return String;
   }
   return nullptr;