libclang: Allow callers of clang_saveTranslationUnit() to distinguish
between different classes of errors. Addresses most of
<rdar://problem/9660328>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134495 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index fc331d0..b75850d 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -2594,9 +2594,9 @@
int clang_saveTranslationUnit(CXTranslationUnit TU, const char *FileName,
unsigned options) {
if (!TU)
- return 1;
+ return CXSaveError_InvalidTU;
- int result = static_cast<ASTUnit *>(TU->TUData)->Save(FileName);
+ CXSaveError result = static_cast<ASTUnit *>(TU->TUData)->Save(FileName);
if (getenv("LIBCLANG_RESOURCE_USAGE"))
PrintLibclangResourceUsage(TU);
return result;