ENH: Allow most characters in ENV variable refs

The $ENV{VAR} syntax permits access to environment variables.  This
teaches CMake to recognize most characters in the VAR name since some
environments may have variables with non-C-identifier characters.

1 files changed, 42 insertions, 33 deletions

diff --git a/Source/cmCommandArgumentParserTokens.h b/Source/cmCommandArgumentParserTokens.h
index 1752e7d..01b101a 100644
--- a/Source/cmCommandArgumentParserTokens.h
+++ b/Source/cmCommandArgumentParserTokens.h
@@ -14,11 +14,12 @@
      PURPOSE.  See the above copyright notices for more information.
 
 =========================================================================*/
-/* A Bison parser, made by GNU Bison 2.1.  */
+/* A Bison parser, made by GNU Bison 2.3.  */
 
-/* Skeleton parser for Yacc-like parsing with Bison, Copyright (C) 1984,
-   1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation,
-   Inc.
+/* Skeleton interface for Bison's Yacc-like parsers in C
+
+   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+   Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -35,10 +36,18 @@
    Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.  */
 
-/* As a special exception, when this file is copied by Bison into a
-   Bison output file, you may use that output file without restriction.
-   This special exception was added by the Free Software Foundation
-   in version 1.24 of Bison.  */
+/* As a special exception, you may create a larger work that contains
+   part or all of the Bison parser skeleton and distribute that work
+   under terms of your choice, so long as that work isn't itself a
+   parser generator using the skeleton or a modified version thereof
+   as a parser skeleton.  Alternatively, if you modify or redistribute
+   the parser skeleton itself, you may (at your option) remove this
+   special exception, which will cause the skeleton and the resulting
+   Bison output files to be licensed under the GNU General Public
+   License without this special exception.
+
+   This special exception was added by the Free Software Foundation in
+   version 2.2 of Bison.  */
 
 /* Tokens.  */
 #ifndef YYTOKENTYPE
@@ -46,36 +55,38 @@
    /* Put the tokens into the symbol table, so that GDB and other debuggers
       know about them.  */
    enum yytokentype {
-     cal_NCURLY = 258,
-     cal_DCURLY = 259,
-     cal_DOLLAR = 260,
-     cal_LCURLY = 261,
-     cal_RCURLY = 262,
-     cal_NAME = 263,
-     cal_BSLASH = 264,
-     cal_SYMBOL = 265,
-     cal_AT = 266,
-     cal_ERROR = 267,
-     cal_ATNAME = 268
+     cal_ENVCURLY = 258,
+     cal_NCURLY = 259,
+     cal_DCURLY = 260,
+     cal_DOLLAR = 261,
+     cal_LCURLY = 262,
+     cal_RCURLY = 263,
+     cal_NAME = 264,
+     cal_BSLASH = 265,
+     cal_SYMBOL = 266,
+     cal_AT = 267,
+     cal_ERROR = 268,
+     cal_ATNAME = 269
    };
 #endif
 /* Tokens.  */
-#define cal_NCURLY 258
-#define cal_DCURLY 259
-#define cal_DOLLAR 260
-#define cal_LCURLY 261
-#define cal_RCURLY 262
-#define cal_NAME 263
-#define cal_BSLASH 264
-#define cal_SYMBOL 265
-#define cal_AT 266
-#define cal_ERROR 267
-#define cal_ATNAME 268
+#define cal_ENVCURLY 258
+#define cal_NCURLY 259
+#define cal_DCURLY 260
+#define cal_DOLLAR 261
+#define cal_LCURLY 262
+#define cal_RCURLY 263
+#define cal_NAME 264
+#define cal_BSLASH 265
+#define cal_SYMBOL 266
+#define cal_AT 267
+#define cal_ERROR 268
+#define cal_ATNAME 269
 
 
 
 
-#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
 typedef int YYSTYPE;
 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
 # define YYSTYPE_IS_DECLARED 1
@@ -84,5 +95,3 @@ typedef int YYSTYPE;
 
 
 
-
-