[clang] Move two utility functions into SourceManager

Summary: So we can keep that not-so-great logic in one place.

Reviewers: rsmith, aaron.ballman

Reviewed By: rsmith

Subscribers: nemanjai, kbarton, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D53837

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@345594 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 14 insertions, 12 deletions

diff --git a/include/clang/Basic/SourceManager.h b/include/clang/Basic/SourceManager.h
index c5a53960b3..914225a5c2 100644
--- a/include/clang/Basic/SourceManager.h
+++ b/include/clang/Basic/SourceManager.h
@@ -1428,6 +1428,18 @@ public:
     return getFileID(Loc) == getMainFileID();
   }
 
+  /// Returns whether \p Loc is located in a <built-in> file.
+  bool isWrittenInBuiltinFile(SourceLocation Loc) const {
+    StringRef Filename(getPresumedLoc(Loc).getFilename());
+    return Filename.equals("<built-in>");
+  }
+
+  /// Returns whether \p Loc is located in a <command line> file.
+  bool isWrittenInCommandLineFile(SourceLocation Loc) const {
+    StringRef Filename(getPresumedLoc(Loc).getFilename());
+    return Filename.equals("<command line>");
+  }
+
   /// Returns if a SourceLocation is in a system header.
   bool isInSystemHeader(SourceLocation Loc) const {
     return isSystem(getFileCharacteristic(Loc));
diff --git a/lib/CodeGen/MacroPPCallbacks.cpp b/lib/CodeGen/MacroPPCallbacks.cpp
index 48dea7d54b..05acc9bb27 100644
--- a/lib/CodeGen/MacroPPCallbacks.cpp
+++ b/lib/CodeGen/MacroPPCallbacks.cpp
@@ -88,16 +88,6 @@ SourceLocation MacroPPCallbacks::getCorrectLocation(SourceLocation Loc) {
   return SourceLocation();
 }
 
-static bool isBuiltinFile(SourceManager &SM, SourceLocation Loc) {
-  StringRef Filename(SM.getPresumedLoc(Loc).getFilename());
-  return Filename.equals("<built-in>");
-}
-
-static bool isCommandLineFile(SourceManager &SM, SourceLocation Loc) {
-  StringRef Filename(SM.getPresumedLoc(Loc).getFilename());
-  return Filename.equals("<command line>");
-}
-
 void MacroPPCallbacks::updateStatusToNextScope() {
   switch (Status) {
   case NoScope:
@@ -127,7 +117,7 @@ void MacroPPCallbacks::FileEntered(SourceLocation Loc) {
     updateStatusToNextScope();
     return;
   case BuiltinScope:
-    if (isCommandLineFile(PP.getSourceManager(), Loc))
+    if (PP.getSourceManager().isWrittenInCommandLineFile(Loc))
       return;
     updateStatusToNextScope();
     LLVM_FALLTHROUGH;
@@ -147,7 +137,7 @@ void MacroPPCallbacks::FileExited(SourceLocation Loc) {
   default:
     llvm_unreachable("Do not expect to exit a file from current scope");
   case BuiltinScope:
-    if (!isBuiltinFile(PP.getSourceManager(), Loc))
+    if (!PP.getSourceManager().isWrittenInBuiltinFile(Loc))
       // Skip next scope and change status to MainFileScope.
       Status = MainFileScope;
     return;