Replace ap_expr with a parser derived from mod_ssl's parser. Make mod_ssl use

the new parser. Rework ap_expr's public interface and provide hooks for modules
to add variables and functions.

The Netware and Windows build files still need to be adjusted


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1032073 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 102 insertions, 0 deletions

diff --git a/server/util_expr_parse.h b/server/util_expr_parse.h
new file mode 100644
index 0000000000..f806e0121f
--- /dev/null
+++ b/server/util_expr_parse.h
@@ -0,0 +1,102 @@
+
+/* A Bison parser, made by GNU Bison 2.4.1.  */
+
+/* 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
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* 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
+# define YYTOKENTYPE
+   /* Put the tokens into the symbol table, so that GDB and other debuggers
+      know about them.  */
+   enum yytokentype {
+     T_TRUE = 258,
+     T_FALSE = 259,
+     ERROR = 260,
+     T_DIGIT = 261,
+     T_ID = 262,
+     T_STRING = 263,
+     T_REGEX = 264,
+     T_REGEX_I = 265,
+     T_OP_UNARY = 266,
+     T_OP_BINARY = 267,
+     T_STR_BEGIN = 268,
+     T_STR_END = 269,
+     T_VAR_BEGIN = 270,
+     T_VAR_END = 271,
+     T_OP_EQ = 272,
+     T_OP_NE = 273,
+     T_OP_LT = 274,
+     T_OP_LE = 275,
+     T_OP_GT = 276,
+     T_OP_GE = 277,
+     T_OP_REG = 278,
+     T_OP_NRE = 279,
+     T_OP_IN = 280,
+     T_OP_STR_EQ = 281,
+     T_OP_STR_NE = 282,
+     T_OP_STR_LT = 283,
+     T_OP_STR_LE = 284,
+     T_OP_STR_GT = 285,
+     T_OP_STR_GE = 286,
+     T_OP_CONCAT = 287,
+     T_OP_OR = 288,
+     T_OP_AND = 289,
+     T_OP_NOT = 290
+   };
+#endif
+
+
+
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+typedef union YYSTYPE
+{
+
+/* Line 1676 of yacc.c  */
+#line 35 "util_expr_parse.y"
+
+    char    *cpVal;
+    ap_expr *exVal;
+
+
+
+/* Line 1676 of yacc.c  */
+#line 94 "util_expr_parse.h"
+} YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1
+# define yystype YYSTYPE /* obsolescent; will be withdrawn */
+# define YYSTYPE_IS_DECLARED 1
+#endif
+
+
+
+