Introduce Lexer::makeFileCharRange() that accepts a token source range

and returns a character range with file locations.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148480 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 0 deletions

diff --git a/include/clang/Lex/Lexer.h b/include/clang/Lex/Lexer.h
index 99c16d292a..eb8ad347d6 100644
--- a/include/clang/Lex/Lexer.h
+++ b/include/clang/Lex/Lexer.h
@@ -331,6 +331,14 @@ public:
                                       const LangOptions &LangOpts,
                                       SourceLocation *MacroEnd = 0);
 
+  /// \brief Accepts a token source range and returns a character range with
+  /// file locations.
+  /// Returns a null range if a part of the range resides inside a macro
+  /// expansion or the range does not reside on the same FileID.
+  static CharSourceRange makeFileCharRange(SourceRange TokenRange,
+                                           const SourceManager &SM,
+                                           const LangOptions &LangOpts);
+
   /// \brief Retrieve the name of the immediate macro expansion.
   ///
   /// This routine starts from a source location, and finds the name of the macro