From: Chris Lattner <sabre@nondot.org>
Date: Sun, 9 Mar 2008 04:49:35 +0000 (+0000)
Subject: improve comment.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7d39d742383ade80c9d937729bfc539c6c978845;p=clang

improve comment.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@48083 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/Lex/PPLexerChange.cpp b/Lex/PPLexerChange.cpp
index ed4e1ebf16..c5998c93ef 100644
--- a/Lex/PPLexerChange.cpp
+++ b/Lex/PPLexerChange.cpp
@@ -29,7 +29,7 @@ PPCallbacks::~PPCallbacks() {
 //===----------------------------------------------------------------------===//
 
 /// isInPrimaryFile - Return true if we're in the top-level file, not in a
-/// #include.
+/// #include.  This looks through macro expansions and active _Pragma lexers.
 bool Preprocessor::isInPrimaryFile() const {
   if (CurLexer && !CurLexer->Is_PragmaLexer)
     return IncludeMacroStack.empty();