From 62a9fc7e945d89d67e41e7d8b220694150f335bf Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Thu, 18 Dec 2008 09:58:06 -0500
Subject: [PATCH] COMP: Restore fixes to generated lexer

The command argument lexer was recently regenerated which erased some
fixes that had been applied directly to the output.  This restores the
fixes and adds reminder notes in the generation instructions.
---
 Source/cmCommandArgumentLexer.cxx  | 19 +++++++++++++++++++
 Source/cmCommandArgumentLexer.in.l |  2 ++
 2 files changed, 21 insertions(+)

diff --git a/Source/cmCommandArgumentLexer.cxx b/Source/cmCommandArgumentLexer.cxx
index c3d5c617f8..6699eec6bf 100644
--- a/Source/cmCommandArgumentLexer.cxx
+++ b/Source/cmCommandArgumentLexer.cxx
@@ -1,3 +1,19 @@
+/*=========================================================================
+
+  Program:   CMake - Cross-Platform Makefile Generator
+  Module:    $RCSfile$
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+  Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
+  See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
+
+     This software is distributed WITHOUT ANY WARRANTY; without even
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+     PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
 #include "cmStandardIncludes.h"
 
 #line 2 "cmCommandArgumentLexer.cxx"
@@ -477,11 +493,13 @@ Run flex like this:
 
 Modify cmCommandArgumentLexer.cxx:
   - add #include "cmStandardIncludes.h" to top of file
+  - put header block at top of file
   - remove TABs
   - remove "yyscanner" argument from these methods:
       yy_fatal_error, cmCommandArgument_yyalloc, cmCommandArgument_yyrealloc, cmCommandArgument_yyfree
   - remove all YY_BREAK lines occurring right after return statements
   - change while ( 1 ) to for(;;)
+  - add "return 0;" to end of cmCommandArgument_yylex
 
 Modify cmCommandArgumentLexer.h:
   - remove TABs
@@ -1061,6 +1079,7 @@ case YY_STATE_EOF(NOESCAPES):
                         "fatal flex scanner internal error--no action found" );
         } /* end of action switch */
                 } /* end of scanning one token */
+return 0; /* this should not happend but it should silence a warning */
 } /* end of cmCommandArgument_yylex */
 
 /* yy_get_next_buffer - try to read in a new buffer
diff --git a/Source/cmCommandArgumentLexer.in.l b/Source/cmCommandArgumentLexer.in.l
index b8239273b3..86cd10d863 100644
--- a/Source/cmCommandArgumentLexer.in.l
+++ b/Source/cmCommandArgumentLexer.in.l
@@ -25,11 +25,13 @@ Run flex like this:
 
 Modify cmCommandArgumentLexer.cxx:
   - add #include "cmStandardIncludes.h" to top of file
+  - put header block at top of file
   - remove TABs
   - remove "yyscanner" argument from these methods:
       yy_fatal_error, cmCommandArgument_yyalloc, cmCommandArgument_yyrealloc, cmCommandArgument_yyfree
   - remove all YY_BREAK lines occurring right after return statements
   - change while ( 1 ) to for(;;)
+  - add "return 0;" to end of cmCommandArgument_yylex
 
 Modify cmCommandArgumentLexer.h:
   - remove TABs