From bcf7f4d3bbd920d29a8e1ebca998ea9e21fe716d Mon Sep 17 00:00:00 2001
From: Dmitri Gribenko <gribozavr@gmail.com>
Date: Mon, 4 Mar 2013 23:06:15 +0000
Subject: Comment parsing: refactor handling of command markers in AST

* Use the term 'command marker', because the semantics of 'backslash' and 'at'
  commands are the same.  (Talking about 'at commands' makes them look like a
  special entity.)

* Sink the flag down into bitfields, reducing the size of AST nodes.

* Change the flag into an enum for clarity.  Boolean function parameters are
  not very clear.

* Add unittests for new tok::at_command tokens.

llvm-svn: 176461
---
 clang/lib/AST/CommentParser.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'clang/lib/AST/CommentParser.cpp')

diff --git a/clang/lib/AST/CommentParser.cpp b/clang/lib/AST/CommentParser.cpp
index c6bd9224618..09912c61886 100644
--- a/clang/lib/AST/CommentParser.cpp
+++ b/clang/lib/AST/CommentParser.cpp
@@ -308,23 +308,25 @@ BlockCommandComment *Parser::parseBlockCommand() {
   bool IsParam = false;
   bool IsTParam = false;
   const CommandInfo *Info = Traits.getCommandInfo(Tok.getCommandID());
+  CommandMarkerKind CommandMarker =
+      Tok.is(tok::backslash_command) ? CMK_Backslash : CMK_At;
   if (Info->IsParamCommand) {
     IsParam = true;
     PC = S.actOnParamCommandStart(Tok.getLocation(),
                                   Tok.getEndLocation(),
                                   Tok.getCommandID(),
-                                  Tok.is(tok::at_command));
+                                  CommandMarker);
   } else if (Info->IsTParamCommand) {
     IsTParam = true;
     TPC = S.actOnTParamCommandStart(Tok.getLocation(),
                                     Tok.getEndLocation(),
                                     Tok.getCommandID(),
-                                    Tok.is(tok::at_command));
+                                    CommandMarker);
   } else {
     BC = S.actOnBlockCommandStart(Tok.getLocation(),
                                   Tok.getEndLocation(),
                                   Tok.getCommandID(),
-                                  Tok.is(tok::at_command));
+                                  CommandMarker);
   }
   consumeToken();
 
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