Don't record nested macro expansions in the preprocessing record,
it can only bring pain when dealing with preprocessor abuse (see: boost).
rdar://10898986
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151427 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index 53c7634..924a843 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -2454,8 +2454,7 @@
const char * const *command_line_args,
unsigned num_unsaved_files,
struct CXUnsavedFile *unsaved_files) {
- unsigned Options = CXTranslationUnit_DetailedPreprocessingRecord |
- CXTranslationUnit_NestedMacroExpansions;
+ unsigned Options = CXTranslationUnit_DetailedPreprocessingRecord;
return clang_parseTranslationUnit(CIdx, source_filename,
command_line_args, num_command_line_args,
unsaved_files, num_unsaved_files,
@@ -2557,12 +2556,9 @@
Args->push_back(source_filename);
// Do we need the detailed preprocessing record?
- bool NestedMacroExpansions = false;
if (options & CXTranslationUnit_DetailedPreprocessingRecord) {
Args->push_back("-Xclang");
Args->push_back("-detailed-preprocessing-record");
- NestedMacroExpansions
- = (options & CXTranslationUnit_NestedMacroExpansions);
}
unsigned NumErrors = Diags->getClient()->getNumErrors();
@@ -2579,8 +2575,7 @@
/*RemappedFilesKeepOriginalName=*/true,
PrecompilePreamble,
TUKind,
- CacheCodeCompetionResults,
- NestedMacroExpansions));
+ CacheCodeCompetionResults));
if (NumErrors != Diags->getClient()->getNumErrors()) {
// Make sure to check that 'Unit' is non-NULL.