--- /dev/null
+/* A Bison parser, made from ifgram.y, by GNU bison 1.75. */
+
+/* Skeleton parser for Yacc-like parsing with Bison,
+ Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 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 2, 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, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, 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. */
+
+/* Written by Richard Stallman by simplifying the original so called
+ ``semantic'' parser. */
+
+/* All symbols defined below should begin with yy or YY, to avoid
+ infringing on user name space. This should be done even for local
+ variables, as they might otherwise be expanded by user macros.
+ There are some unavoidable exceptions within include files to
+ define necessary library symbols; they are noted "INFRINGES ON
+ USER NAME SPACE" below. */
+
+/* Identify Bison output. */
+#define YYBISON 1
+
+/* Pure parsers. */
+#define YYPURE 0
+
+/* Using locations. */
+#define YYLSP_NEEDED 0
+
+/* If NAME_PREFIX is specified substitute the variables and functions
+ names. */
+#define yyparse ifparse
+#define yylex iflex
+#define yyerror iferror
+#define yylval iflval
+#define yychar ifchar
+#define yydebug ifdebug
+#define yynerrs ifnerrs
+
+
+/* Tokens. */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+ /* Put the tokens into the symbol table, so that GDB and other debuggers
+ know about them. */
+ enum yytokentype {
+ ICT_AND = 258,
+ ICT_BITAND = 259,
+ ICT_BITCOMPLEMENT = 260,
+ ICT_BITOR = 261,
+ ICT_BITXOR = 262,
+ ICT_COLON = 263,
+ ICT_DIVIDE = 264,
+ ICT_END = 265,
+ ICT_ERROR = 266,
+ ICT_EQ = 267,
+ ICT_FALSE = 268,
+ ICT_GT = 269,
+ ICT_GE = 270,
+ ICT_LPAREN = 271,
+ ICT_LE = 272,
+ ICT_LT = 273,
+ ICT_MINUS = 274,
+ ICT_MOD = 275,
+ ICT_MULT = 276,
+ ICT_NE = 277,
+ ICT_NOT = 278,
+ ICT_OR = 279,
+ ICT_PLUS = 280,
+ ICT_QUESTION = 281,
+ ICT_RPAREN = 282,
+ ICT_SHLEFT = 283,
+ ICT_SHRIGHT = 284,
+ ICT_TRUE = 285,
+ ICT_VALUE = 286
+ };
+#endif
+#define ICT_AND 258
+#define ICT_BITAND 259
+#define ICT_BITCOMPLEMENT 260
+#define ICT_BITOR 261
+#define ICT_BITXOR 262
+#define ICT_COLON 263
+#define ICT_DIVIDE 264
+#define ICT_END 265
+#define ICT_ERROR 266
+#define ICT_EQ 267
+#define ICT_FALSE 268
+#define ICT_GT 269
+#define ICT_GE 270
+#define ICT_LPAREN 271
+#define ICT_LE 272
+#define ICT_LT 273
+#define ICT_MINUS 274
+#define ICT_MOD 275
+#define ICT_MULT 276
+#define ICT_NE 277
+#define ICT_NOT 278
+#define ICT_OR 279
+#define ICT_PLUS 280
+#define ICT_QUESTION 281
+#define ICT_RPAREN 282
+#define ICT_SHLEFT 283
+#define ICT_SHRIGHT 284
+#define ICT_TRUE 285
+#define ICT_VALUE 286
+
+
+
+
+/* Copy the first part of user declarations. */
+#line 2 "ifgram.y"
+
+/* Copyright 2005 by Arkkra Enterprises */
+/* All rights reserved. */
+
+/* This is a "mini-parser" that handles "if" clauses.
+ * It uses a buffer containing a compressed form of the user's input.
+ * The compressed format is described in lex.c above add_ifclause().
+ * This tries to follow the ANSI C preprocessor rules as much as is reasonable.
+ * It uses C operator precedences and associativity.
+ * We do use 32-bit ints rather than longs to try to avoid any
+ * incompatibilities if someone creates a Mup file on a 32-bit machine
+ * and then tries to run it on 64-bit or vice-versa.
+ */
+
+#include "defines.h"
+#include "globals.h"
+
+#define YYDEBUG 1
+
+
+
+/* Enabling traces. */
+#ifndef YYDEBUG
+# define YYDEBUG 0
+#endif
+
+/* Enabling verbose error messages. */
+#ifdef YYERROR_VERBOSE
+# undef YYERROR_VERBOSE
+# define YYERROR_VERBOSE 1
+#else
+# define YYERROR_VERBOSE 0
+#endif
+
+#ifndef YYSTYPE
+typedef int yystype;
+# define YYSTYPE yystype
+# define YYSTYPE_IS_TRIVIAL 1
+#endif
+
+#ifndef YYLTYPE
+typedef struct yyltype
+{
+ int first_line;
+ int first_column;
+ int last_line;
+ int last_column;
+} yyltype;
+# define YYLTYPE yyltype
+# define YYLTYPE_IS_TRIVIAL 1
+#endif
+
+/* Copy the second part of user declarations. */
+
+
+/* Line 213 of /usr/share/bison/yacc.c. */
+#line 185 "ifgram.tab.c"
+
+#if ! defined (yyoverflow) || YYERROR_VERBOSE
+
+/* The parser invokes alloca or malloc; define the necessary symbols. */
+
+# if YYSTACK_USE_ALLOCA
+# define YYSTACK_ALLOC alloca
+# else
+# ifndef YYSTACK_USE_ALLOCA
+# if defined (alloca) || defined (_ALLOCA_H)
+# define YYSTACK_ALLOC alloca
+# else
+# ifdef __GNUC__
+# define YYSTACK_ALLOC __builtin_alloca
+# endif
+# endif
+# endif
+# endif
+
+# ifdef YYSTACK_ALLOC
+ /* Pacify GCC's `empty if-body' warning. */
+# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
+# else
+# if defined (__STDC__) || defined (__cplusplus)
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T size_t
+# endif
+# define YYSTACK_ALLOC malloc
+# define YYSTACK_FREE free
+# endif
+#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
+
+
+#if (! defined (yyoverflow) \
+ && (! defined (__cplusplus) \
+ || (YYLTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
+
+/* A type that is properly aligned for any stack member. */
+union yyalloc
+{
+ short yyss;
+ YYSTYPE yyvs;
+ };
+
+/* The size of the maximum gap between one aligned stack and the next. */
+# define YYSTACK_GAP_MAX (sizeof (union yyalloc) - 1)
+
+/* The size of an array large to enough to hold all stacks, each with
+ N elements. */
+# define YYSTACK_BYTES(N) \
+ ((N) * (sizeof (short) + sizeof (YYSTYPE)) \
+ + YYSTACK_GAP_MAX)
+
+/* Copy COUNT objects from FROM to TO. The source and destination do
+ not overlap. */
+# ifndef YYCOPY
+# if 1 < __GNUC__
+# define YYCOPY(To, From, Count) \
+ __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
+# else
+# define YYCOPY(To, From, Count) \
+ do \
+ { \
+ register YYSIZE_T yyi; \
+ for (yyi = 0; yyi < (Count); yyi++) \
+ (To)[yyi] = (From)[yyi]; \
+ } \
+ while (0)
+# endif
+# endif
+
+/* Relocate STACK from its old location to the new one. The
+ local variables YYSIZE and YYSTACKSIZE give the old and new number of
+ elements in the stack, and YYPTR gives the new location of the
+ stack. Advance YYPTR to a properly aligned location for the next
+ stack. */
+# define YYSTACK_RELOCATE(Stack) \
+ do \
+ { \
+ YYSIZE_T yynewbytes; \
+ YYCOPY (&yyptr->Stack, Stack, yysize); \
+ Stack = &yyptr->Stack; \
+ yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAX; \
+ yyptr += yynewbytes / sizeof (*yyptr); \
+ } \
+ while (0)
+
+#endif
+
+#if defined (__STDC__) || defined (__cplusplus)
+ typedef signed char yysigned_char;
+#else
+ typedef short yysigned_char;
+#endif
+
+/* YYFINAL -- State number of the termination state. */
+#define YYFINAL 19
+#define YYLAST 327
+
+/* YYNTOKENS -- Number of terminals. */
+#define YYNTOKENS 32
+/* YYNNTS -- Number of nonterminals. */
+#define YYNNTS 4
+/* YYNRULES -- Number of rules. */
+#define YYNRULES 32
+/* YYNRULES -- Number of states. */
+#define YYNSTATES 62
+
+/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
+#define YYUNDEFTOK 2
+#define YYMAXUTOK 286
+
+#define YYTRANSLATE(X) \
+ ((unsigned)(X) <= YYMAXUTOK ? yytranslate[X] : YYUNDEFTOK)
+
+/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
+static const unsigned char yytranslate[] =
+{
+ 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 1, 2, 3, 4,
+ 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
+ 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
+ 25, 26, 27, 28, 29, 30, 31
+};
+
+#if YYDEBUG
+/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
+ YYRHS. */
+static const unsigned char yyprhs[] =
+{
+ 0, 0, 3, 6, 8, 10, 14, 17, 20, 23,
+ 26, 30, 34, 38, 42, 46, 50, 54, 58, 62,
+ 66, 70, 74, 78, 82, 86, 90, 94, 98, 104,
+ 106, 108, 110
+};
+
+/* YYRHS -- A `-1'-separated list of the rules' RHS. */
+static const yysigned_char yyrhs[] =
+{
+ 33, 0, -1, 34, 10, -1, 11, -1, 1, -1,
+ 16, 34, 27, -1, 23, 34, -1, 5, 34, -1,
+ 19, 34, -1, 25, 34, -1, 34, 21, 34, -1,
+ 34, 9, 34, -1, 34, 20, 34, -1, 34, 25,
+ 34, -1, 34, 19, 34, -1, 34, 28, 34, -1,
+ 34, 29, 34, -1, 34, 18, 34, -1, 34, 17,
+ 34, -1, 34, 14, 34, -1, 34, 15, 34, -1,
+ 34, 12, 34, -1, 34, 22, 34, -1, 34, 4,
+ 34, -1, 34, 7, 34, -1, 34, 6, 34, -1,
+ 34, 24, 34, -1, 34, 3, 34, -1, 34, 26,
+ 34, 8, 34, -1, 31, -1, 35, -1, 30, -1,
+ 13, -1
+};
+
+/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
+static const unsigned short yyrline[] =
+{
+ 0, 68, 68, 73, 79, 87, 92, 98, 104, 111,
+ 118, 124, 138, 150, 156, 162, 168, 174, 180, 186,
+ 192, 198, 204, 210, 216, 222, 228, 234, 240, 246,
+ 252, 259, 264
+};
+#endif
+
+#if YYDEBUG || YYERROR_VERBOSE
+/* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+ First, the terminals, then, starting at YYNTOKENS, nonterminals. */
+static const char *const yytname[] =
+{
+ "$end", "error", "$undefined", "ICT_AND", "ICT_BITAND",
+ "ICT_BITCOMPLEMENT", "ICT_BITOR", "ICT_BITXOR", "ICT_COLON",
+ "ICT_DIVIDE", "ICT_END", "ICT_ERROR", "ICT_EQ", "ICT_FALSE", "ICT_GT",
+ "ICT_GE", "ICT_LPAREN", "ICT_LE", "ICT_LT", "ICT_MINUS", "ICT_MOD",
+ "ICT_MULT", "ICT_NE", "ICT_NOT", "ICT_OR", "ICT_PLUS", "ICT_QUESTION",
+ "ICT_RPAREN", "ICT_SHLEFT", "ICT_SHRIGHT", "ICT_TRUE", "ICT_VALUE",
+ "$accept", "ifclause", "expr", "boolval", 0
+};
+#endif
+
+# ifdef YYPRINT
+/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
+ token YYLEX-NUM. */
+static const unsigned short yytoknum[] =
+{
+ 0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
+ 265, 266, 267, 268, 269, 270, 271, 272, 273, 274,
+ 275, 276, 277, 278, 279, 280, 281, 282, 283, 284,
+ 285, 286
+};
+# endif
+
+/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
+static const unsigned char yyr1[] =
+{
+ 0, 32, 33, 33, 33, 34, 34, 34, 34, 34,
+ 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
+ 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
+ 34, 35, 35
+};
+
+/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
+static const unsigned char yyr2[] =
+{
+ 0, 2, 2, 1, 1, 3, 2, 2, 2, 2,
+ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ 3, 3, 3, 3, 3, 3, 3, 3, 5, 1,
+ 1, 1, 1
+};
+
+/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
+ STATE-NUM when YYTABLE doesn't specify something else to do. Zero
+ means the default is an error. */
+static const unsigned char yydefact[] =
+{
+ 0, 4, 0, 3, 32, 0, 0, 0, 0, 31,
+ 29, 0, 0, 30, 7, 0, 8, 6, 9, 1,
+ 0, 0, 0, 0, 0, 2, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 5, 27, 23, 25, 24, 11, 21, 19, 20, 18,
+ 17, 14, 12, 10, 22, 26, 13, 0, 15, 16,
+ 0, 28
+};
+
+/* YYDEFGOTO[NTERM-NUM]. */
+static const yysigned_char yydefgoto[] =
+{
+ -1, 11, 12, 13
+};
+
+/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+ STATE-NUM. */
+#define YYPACT_NINF -9
+static const short yypact[] =
+{
+ 37, -9, 185, -9, -9, 185, 185, 185, 185, -9,
+ -9, 2, 66, -9, -9, 93, -9, -9, -9, -9,
+ 185, 185, 185, 185, 185, -9, 185, 185, 185, 185,
+ 185, 185, 185, 185, 185, 185, 185, 185, 185, 185,
+ -9, 205, 268, 228, 250, -9, 285, 298, 298, 298,
+ 298, 31, -9, -9, 285, 174, 31, 120, -8, -8,
+ 185, 147
+};
+
+/* YYPGOTO[NTERM-NUM]. */
+static const yysigned_char yypgoto[] =
+{
+ -9, -9, -2, -9
+};
+
+/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
+ positive, shift that token. If negative, reduce the rule which
+ number is the opposite. If zero, do what YYDEFACT says.
+ If YYTABLE_NINF, parse error. */
+#define YYTABLE_NINF -1
+static const unsigned char yytable[] =
+{
+ 14, 24, 19, 15, 16, 17, 18, 0, 0, 0,
+ 0, 31, 32, 33, 0, 0, 0, 36, 41, 42,
+ 43, 44, 45, 0, 46, 47, 48, 49, 50, 51,
+ 52, 53, 54, 55, 56, 57, 58, 59, 1, 0,
+ 24, 0, 2, 0, 0, 0, 0, 0, 3, 0,
+ 4, 32, 33, 5, 0, 0, 6, 0, 61, 0,
+ 7, 0, 8, 0, 0, 0, 0, 9, 10, 20,
+ 21, 0, 22, 23, 0, 24, 25, 0, 26, 0,
+ 27, 28, 0, 29, 30, 31, 32, 33, 34, 0,
+ 35, 36, 37, 0, 38, 39, 20, 21, 0, 22,
+ 23, 0, 24, 0, 0, 26, 0, 27, 28, 0,
+ 29, 30, 31, 32, 33, 34, 0, 35, 36, 37,
+ 40, 38, 39, 20, 21, 0, 22, 23, 60, 24,
+ 0, 0, 26, 0, 27, 28, 0, 29, 30, 31,
+ 32, 33, 34, 0, 35, 36, 37, 0, 38, 39,
+ 20, 21, 0, 22, 23, 0, 24, 0, 0, 26,
+ 0, 27, 28, 0, 29, 30, 31, 32, 33, 34,
+ 0, 35, 36, 37, 0, 38, 39, 20, 21, 0,
+ 22, 23, 0, 24, 0, 0, 26, 0, 27, 28,
+ 2, 29, 30, 31, 32, 33, 34, 0, 4, 36,
+ 0, 5, 38, 39, 6, 0, 0, 0, 7, 21,
+ 8, 22, 23, 0, 24, 9, 10, 26, 0, 27,
+ 28, 0, 29, 30, 31, 32, 33, 34, 0, 0,
+ 36, 0, 21, 38, 39, 23, 0, 24, 0, 0,
+ 26, 0, 27, 28, 0, 29, 30, 31, 32, 33,
+ 34, 0, 0, 36, 21, 0, 38, 39, 0, 24,
+ 0, 0, 26, 0, 27, 28, 0, 29, 30, 31,
+ 32, 33, 34, 0, 0, 36, 0, 24, 38, 39,
+ 26, 0, 27, 28, 0, 29, 30, 31, 32, 33,
+ 34, 0, 0, 36, 24, 0, 38, 39, 0, 27,
+ 28, 0, 29, 30, 31, 32, 33, 24, 0, 0,
+ 36, 0, 0, 38, 39, 0, 0, 31, 32, 33,
+ 0, 0, 0, 36, 0, 0, 38, 39
+};
+
+static const yysigned_char yycheck[] =
+{
+ 2, 9, 0, 5, 6, 7, 8, -1, -1, -1,
+ -1, 19, 20, 21, -1, -1, -1, 25, 20, 21,
+ 22, 23, 24, -1, 26, 27, 28, 29, 30, 31,
+ 32, 33, 34, 35, 36, 37, 38, 39, 1, -1,
+ 9, -1, 5, -1, -1, -1, -1, -1, 11, -1,
+ 13, 20, 21, 16, -1, -1, 19, -1, 60, -1,
+ 23, -1, 25, -1, -1, -1, -1, 30, 31, 3,
+ 4, -1, 6, 7, -1, 9, 10, -1, 12, -1,
+ 14, 15, -1, 17, 18, 19, 20, 21, 22, -1,
+ 24, 25, 26, -1, 28, 29, 3, 4, -1, 6,
+ 7, -1, 9, -1, -1, 12, -1, 14, 15, -1,
+ 17, 18, 19, 20, 21, 22, -1, 24, 25, 26,
+ 27, 28, 29, 3, 4, -1, 6, 7, 8, 9,
+ -1, -1, 12, -1, 14, 15, -1, 17, 18, 19,
+ 20, 21, 22, -1, 24, 25, 26, -1, 28, 29,
+ 3, 4, -1, 6, 7, -1, 9, -1, -1, 12,
+ -1, 14, 15, -1, 17, 18, 19, 20, 21, 22,
+ -1, 24, 25, 26, -1, 28, 29, 3, 4, -1,
+ 6, 7, -1, 9, -1, -1, 12, -1, 14, 15,
+ 5, 17, 18, 19, 20, 21, 22, -1, 13, 25,
+ -1, 16, 28, 29, 19, -1, -1, -1, 23, 4,
+ 25, 6, 7, -1, 9, 30, 31, 12, -1, 14,
+ 15, -1, 17, 18, 19, 20, 21, 22, -1, -1,
+ 25, -1, 4, 28, 29, 7, -1, 9, -1, -1,
+ 12, -1, 14, 15, -1, 17, 18, 19, 20, 21,
+ 22, -1, -1, 25, 4, -1, 28, 29, -1, 9,
+ -1, -1, 12, -1, 14, 15, -1, 17, 18, 19,
+ 20, 21, 22, -1, -1, 25, -1, 9, 28, 29,
+ 12, -1, 14, 15, -1, 17, 18, 19, 20, 21,
+ 22, -1, -1, 25, 9, -1, 28, 29, -1, 14,
+ 15, -1, 17, 18, 19, 20, 21, 9, -1, -1,
+ 25, -1, -1, 28, 29, -1, -1, 19, 20, 21,
+ -1, -1, -1, 25, -1, -1, 28, 29
+};
+
+/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
+ symbol of state STATE-NUM. */
+static const unsigned char yystos[] =
+{
+ 0, 1, 5, 11, 13, 16, 19, 23, 25, 30,
+ 31, 33, 34, 35, 34, 34, 34, 34, 34, 0,
+ 3, 4, 6, 7, 9, 10, 12, 14, 15, 17,
+ 18, 19, 20, 21, 22, 24, 25, 26, 28, 29,
+ 27, 34, 34, 34, 34, 34, 34, 34, 34, 34,
+ 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
+ 8, 34
+};
+
+#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
+# define YYSIZE_T __SIZE_TYPE__
+#endif
+#if ! defined (YYSIZE_T) && defined (size_t)
+# define YYSIZE_T size_t
+#endif
+#if ! defined (YYSIZE_T)
+# if defined (__STDC__) || defined (__cplusplus)
+# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T size_t
+# endif
+#endif
+#if ! defined (YYSIZE_T)
+# define YYSIZE_T unsigned int
+#endif
+
+#define yyerrok (yyerrstatus = 0)
+#define yyclearin (yychar = YYEMPTY)
+#define YYEMPTY -2
+#define YYEOF 0
+
+#define YYACCEPT goto yyacceptlab
+#define YYABORT goto yyabortlab
+#define YYERROR goto yyerrlab1
+
+/* Like YYERROR except do call yyerror. This remains here temporarily
+ to ease the transition to the new meaning of YYERROR, for GCC.
+ Once GCC version 2 has supplanted version 1, this can go. */
+
+#define YYFAIL goto yyerrlab
+
+#define YYRECOVERING() (!!yyerrstatus)
+
+#define YYBACKUP(Token, Value) \
+do \
+ if (yychar == YYEMPTY && yylen == 1) \
+ { \
+ yychar = (Token); \
+ yylval = (Value); \
+ yychar1 = YYTRANSLATE (yychar); \
+ YYPOPSTACK; \
+ goto yybackup; \
+ } \
+ else \
+ { \
+ yyerror ("syntax error: cannot back up"); \
+ YYERROR; \
+ } \
+while (0)
+
+#define YYTERROR 1
+#define YYERRCODE 256
+
+/* YYLLOC_DEFAULT -- Compute the default location (before the actions
+ are run). */
+
+#ifndef YYLLOC_DEFAULT
+# define YYLLOC_DEFAULT(Current, Rhs, N) \
+ Current.first_line = Rhs[1].first_line; \
+ Current.first_column = Rhs[1].first_column; \
+ Current.last_line = Rhs[N].last_line; \
+ Current.last_column = Rhs[N].last_column;
+#endif
+
+/* YYLEX -- calling `yylex' with the right arguments. */
+
+#define YYLEX yylex ()
+
+/* Enable debugging if requested. */
+#if YYDEBUG
+
+# ifndef YYFPRINTF
+# include <stdio.h> /* INFRINGES ON USER NAME SPACE */
+# define YYFPRINTF fprintf
+# endif
+
+# define YYDPRINTF(Args) \
+do { \
+ if (yydebug) \
+ YYFPRINTF Args; \
+} while (0)
+# define YYDSYMPRINT(Args) \
+do { \
+ if (yydebug) \
+ yysymprint Args; \
+} while (0)
+/* Nonzero means print parse trace. It is left uninitialized so that
+ multiple parsers can coexist. */
+int yydebug;
+#else /* !YYDEBUG */
+# define YYDPRINTF(Args)
+# define YYDSYMPRINT(Args)
+#endif /* !YYDEBUG */
+
+/* YYINITDEPTH -- initial size of the parser's stacks. */
+#ifndef YYINITDEPTH
+# define YYINITDEPTH 200
+#endif
+
+/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
+ if the built-in stack extension method is used).
+
+ Do not make this value too large; the results are undefined if
+ SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH)
+ evaluated with infinite-precision integer arithmetic. */
+
+#if YYMAXDEPTH == 0
+# undef YYMAXDEPTH
+#endif
+
+#ifndef YYMAXDEPTH
+# define YYMAXDEPTH 10000
+#endif
+
+\f
+
+#if YYERROR_VERBOSE
+
+# ifndef yystrlen
+# if defined (__GLIBC__) && defined (_STRING_H)
+# define yystrlen strlen
+# else
+/* Return the length of YYSTR. */
+static YYSIZE_T
+# if defined (__STDC__) || defined (__cplusplus)
+yystrlen (const char *yystr)
+# else
+yystrlen (yystr)
+ const char *yystr;
+# endif
+{
+ register const char *yys = yystr;
+
+ while (*yys++ != '\0')
+ continue;
+
+ return yys - yystr - 1;
+}
+# endif
+# endif
+
+# ifndef yystpcpy
+# if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
+# define yystpcpy stpcpy
+# else
+/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
+ YYDEST. */
+static char *
+# if defined (__STDC__) || defined (__cplusplus)
+yystpcpy (char *yydest, const char *yysrc)
+# else
+yystpcpy (yydest, yysrc)
+ char *yydest;
+ const char *yysrc;
+# endif
+{
+ register char *yyd = yydest;
+ register const char *yys = yysrc;
+
+ while ((*yyd++ = *yys++) != '\0')
+ continue;
+
+ return yyd - 1;
+}
+# endif
+# endif
+
+#endif /* !YYERROR_VERBOSE */
+
+\f
+
+#if YYDEBUG
+/*-----------------------------.
+| Print this symbol on YYOUT. |
+`-----------------------------*/
+
+static void
+#if defined (__STDC__) || defined (__cplusplus)
+yysymprint (FILE* yyout, int yytype, YYSTYPE yyvalue)
+#else
+yysymprint (yyout, yytype, yyvalue)
+ FILE* yyout;
+ int yytype;
+ YYSTYPE yyvalue;
+#endif
+{
+ /* Pacify ``unused variable'' warnings. */
+ (void) yyvalue;
+
+ if (yytype < YYNTOKENS)
+ {
+ YYFPRINTF (yyout, "token %s (", yytname[yytype]);
+# ifdef YYPRINT
+ YYPRINT (yyout, yytoknum[yytype], yyvalue);
+# endif
+ }
+ else
+ YYFPRINTF (yyout, "nterm %s (", yytname[yytype]);
+
+ switch (yytype)
+ {
+ default:
+ break;
+ }
+ YYFPRINTF (yyout, ")");
+}
+#endif /* YYDEBUG. */
+
+
+/*-----------------------------------------------.
+| Release the memory associated to this symbol. |
+`-----------------------------------------------*/
+
+static void
+#if defined (__STDC__) || defined (__cplusplus)
+yydestruct (int yytype, YYSTYPE yyvalue)
+#else
+yydestruct (yytype, yyvalue)
+ int yytype;
+ YYSTYPE yyvalue;
+#endif
+{
+ /* Pacify ``unused variable'' warnings. */
+ (void) yyvalue;
+
+ switch (yytype)
+ {
+ default:
+ break;
+ }
+}
+
+\f
+
+/* The user can define YYPARSE_PARAM as the name of an argument to be passed
+ into yyparse. The argument should have type void *.
+ It should actually point to an object.
+ Grammar actions can access the variable by casting it
+ to the proper pointer type. */
+
+#ifdef YYPARSE_PARAM
+# if defined (__STDC__) || defined (__cplusplus)
+# define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
+# define YYPARSE_PARAM_DECL
+# else
+# define YYPARSE_PARAM_ARG YYPARSE_PARAM
+# define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
+# endif
+#else /* !YYPARSE_PARAM */
+# define YYPARSE_PARAM_ARG
+# define YYPARSE_PARAM_DECL
+#endif /* !YYPARSE_PARAM */
+
+/* Prevent warning if -Wstrict-prototypes. */
+#ifdef __GNUC__
+# ifdef YYPARSE_PARAM
+int yyparse (void *);
+# else
+int yyparse (void);
+# endif
+#endif
+
+
+/* The lookahead symbol. */
+int yychar;
+
+/* The semantic value of the lookahead symbol. */
+YYSTYPE yylval;
+
+/* Number of parse errors so far. */
+int yynerrs;
+
+
+int
+yyparse (YYPARSE_PARAM_ARG)
+ YYPARSE_PARAM_DECL
+{
+
+ register int yystate;
+ register int yyn;
+ int yyresult;
+ /* Number of tokens to shift before error messages enabled. */
+ int yyerrstatus;
+ /* Lookahead token as an internal (translated) token number. */
+ int yychar1 = 0;
+
+ /* Three stacks and their tools:
+ `yyss': related to states,
+ `yyvs': related to semantic values,
+ `yyls': related to locations.
+
+ Refer to the stacks thru separate pointers, to allow yyoverflow
+ to reallocate them elsewhere. */
+
+ /* The state stack. */
+ short yyssa[YYINITDEPTH];
+ short *yyss = yyssa;
+ register short *yyssp;
+
+ /* The semantic value stack. */
+ YYSTYPE yyvsa[YYINITDEPTH];
+ YYSTYPE *yyvs = yyvsa;
+ register YYSTYPE *yyvsp;
+
+
+
+#define YYPOPSTACK (yyvsp--, yyssp--)
+
+ YYSIZE_T yystacksize = YYINITDEPTH;
+
+ /* The variables used to return semantic value and location from the
+ action routines. */
+ YYSTYPE yyval;
+
+
+ /* When reducing, the number of symbols on the RHS of the reduced
+ rule. */
+ int yylen;
+
+ YYDPRINTF ((stderr, "Starting parse\n"));
+
+ yystate = 0;
+ yyerrstatus = 0;
+ yynerrs = 0;
+ yychar = YYEMPTY; /* Cause a token to be read. */
+
+ /* Initialize stack pointers.
+ Waste one element of value and location stack
+ so that they stay on the same level as the state stack.
+ The wasted elements are never initialized. */
+
+ yyssp = yyss;
+ yyvsp = yyvs;
+
+ goto yysetstate;
+
+/*------------------------------------------------------------.
+| yynewstate -- Push a new state, which is found in yystate. |
+`------------------------------------------------------------*/
+ yynewstate:
+ /* In all cases, when you get here, the value and location stacks
+ have just been pushed. so pushing a state here evens the stacks.
+ */
+ yyssp++;
+
+ yysetstate:
+ *yyssp = yystate;
+
+ if (yyssp >= yyss + yystacksize - 1)
+ {
+ /* Get the current used size of the three stacks, in elements. */
+ YYSIZE_T yysize = yyssp - yyss + 1;
+
+#ifdef yyoverflow
+ {
+ /* Give user a chance to reallocate the stack. Use copies of
+ these so that the &'s don't force the real ones into
+ memory. */
+ YYSTYPE *yyvs1 = yyvs;
+ short *yyss1 = yyss;
+
+
+ /* Each stack pointer address is followed by the size of the
+ data in use in that stack, in bytes. This used to be a
+ conditional around just the two extra args, but that might
+ be undefined if yyoverflow is a macro. */
+ yyoverflow ("parser stack overflow",
+ &yyss1, yysize * sizeof (*yyssp),
+ &yyvs1, yysize * sizeof (*yyvsp),
+
+ &yystacksize);
+
+ yyss = yyss1;
+ yyvs = yyvs1;
+ }
+#else /* no yyoverflow */
+# ifndef YYSTACK_RELOCATE
+ goto yyoverflowlab;
+# else
+ /* Extend the stack our own way. */
+ if (yystacksize >= YYMAXDEPTH)
+ goto yyoverflowlab;
+ yystacksize *= 2;
+ if (yystacksize > YYMAXDEPTH)
+ yystacksize = YYMAXDEPTH;
+
+ {
+ short *yyss1 = yyss;
+ union yyalloc *yyptr =
+ (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
+ if (! yyptr)
+ goto yyoverflowlab;
+ YYSTACK_RELOCATE (yyss);
+ YYSTACK_RELOCATE (yyvs);
+
+# undef YYSTACK_RELOCATE
+ if (yyss1 != yyssa)
+ YYSTACK_FREE (yyss1);
+ }
+# endif
+#endif /* no yyoverflow */
+
+ yyssp = yyss + yysize - 1;
+ yyvsp = yyvs + yysize - 1;
+
+
+ YYDPRINTF ((stderr, "Stack size increased to %lu\n",
+ (unsigned long int) yystacksize));
+
+ if (yyssp >= yyss + yystacksize - 1)
+ YYABORT;
+ }
+
+ YYDPRINTF ((stderr, "Entering state %d\n", yystate));
+
+ goto yybackup;
+
+/*-----------.
+| yybackup. |
+`-----------*/
+yybackup:
+
+/* Do appropriate processing given the current state. */
+/* Read a lookahead token if we need one and don't already have one. */
+/* yyresume: */
+
+ /* First try to decide what to do without reference to lookahead token. */
+
+ yyn = yypact[yystate];
+ if (yyn == YYPACT_NINF)
+ goto yydefault;
+
+ /* Not known => get a lookahead token if don't already have one. */
+
+ /* yychar is either YYEMPTY or YYEOF
+ or a valid token in external form. */
+
+ if (yychar == YYEMPTY)
+ {
+ YYDPRINTF ((stderr, "Reading a token: "));
+ yychar = YYLEX;
+ }
+
+ /* Convert token to internal form (in yychar1) for indexing tables with. */
+
+ if (yychar <= 0) /* This means end of input. */
+ {
+ yychar1 = 0;
+ yychar = YYEOF; /* Don't call YYLEX any more. */
+
+ YYDPRINTF ((stderr, "Now at end of input.\n"));
+ }
+ else
+ {
+ yychar1 = YYTRANSLATE (yychar);
+
+ /* We have to keep this `#if YYDEBUG', since we use variables
+ which are defined only if `YYDEBUG' is set. */
+ YYDPRINTF ((stderr, "Next token is "));
+ YYDSYMPRINT ((stderr, yychar1, yylval));
+ YYDPRINTF ((stderr, "\n"));
+ }
+
+ /* If the proper action on seeing token YYCHAR1 is to reduce or to
+ detect an error, take that action. */
+ yyn += yychar1;
+ if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yychar1)
+ goto yydefault;
+ yyn = yytable[yyn];
+ if (yyn <= 0)
+ {
+ if (yyn == 0 || yyn == YYTABLE_NINF)
+ goto yyerrlab;
+ yyn = -yyn;
+ goto yyreduce;
+ }
+
+ if (yyn == YYFINAL)
+ YYACCEPT;
+
+ /* Shift the lookahead token. */
+ YYDPRINTF ((stderr, "Shifting token %d (%s), ",
+ yychar, yytname[yychar1]));
+
+ /* Discard the token being shifted unless it is eof. */
+ if (yychar != YYEOF)
+ yychar = YYEMPTY;
+
+ *++yyvsp = yylval;
+
+
+ /* Count tokens shifted since error; after three, turn off error
+ status. */
+ if (yyerrstatus)
+ yyerrstatus--;
+
+ yystate = yyn;
+ goto yynewstate;
+
+
+/*-----------------------------------------------------------.
+| yydefault -- do the default action for the current state. |
+`-----------------------------------------------------------*/
+yydefault:
+ yyn = yydefact[yystate];
+ if (yyn == 0)
+ goto yyerrlab;
+ goto yyreduce;
+
+
+/*-----------------------------.
+| yyreduce -- Do a reduction. |
+`-----------------------------*/
+yyreduce:
+ /* yyn is the number of a rule to reduce with. */
+ yylen = yyr2[yyn];
+
+ /* If YYLEN is nonzero, implement the default value of the action:
+ `$$ = $1'.
+
+ Otherwise, the following line sets YYVAL to garbage.
+ This behavior is undocumented and Bison
+ users should not rely upon it. Assigning to YYVAL
+ unconditionally makes the parser a bit smaller, and it avoids a
+ GCC warning that YYVAL may be used uninitialized. */
+ yyval = yyvsp[1-yylen];
+
+
+
+#if YYDEBUG
+ /* We have to keep this `#if YYDEBUG', since we use variables which
+ are defined only if `YYDEBUG' is set. */
+ if (yydebug)
+ {
+ int yyi;
+
+ YYFPRINTF (stderr, "Reducing via rule %d (line %d), ",
+ yyn - 1, yyrline[yyn]);
+
+ /* Print the symbols being reduced, and their result. */
+ for (yyi = yyprhs[yyn]; yyrhs[yyi] >= 0; yyi++)
+ YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]);
+ YYFPRINTF (stderr, " -> %s\n", yytname[yyr1[yyn]]);
+ }
+#endif
+ switch (yyn)
+ {
+ case 2:
+#line 69 "ifgram.y"
+ {
+ return(yyvsp[-1] ? YES : NO);
+ }
+ break;
+
+ case 3:
+#line 75 "ifgram.y"
+ {
+ pfatal("if clause parser received unknown token type");
+ }
+ break;
+
+ case 4:
+#line 81 "ifgram.y"
+ {
+ l_yyerror(Curr_filename, yylineno, "syntax error in 'if' condition");
+ return(NO);
+ }
+ break;
+
+ case 5:
+#line 88 "ifgram.y"
+ {
+ yyval = yyvsp[-1];
+ }
+ break;
+
+ case 6:
+#line 94 "ifgram.y"
+ {
+ yyval = !(yyvsp[0]);
+ }
+ break;
+
+ case 7:
+#line 100 "ifgram.y"
+ {
+ yyval = ~(yyvsp[0]);
+ }
+ break;
+
+ case 8:
+#line 106 "ifgram.y"
+ {
+ /* unary minus */
+ yyval = -(yyvsp[0]);
+ }
+ break;
+
+ case 9:
+#line 113 "ifgram.y"
+ {
+ /* unary plus. Not very useful, but ANSI C supports it... */
+ yyval = (yyvsp[0]);
+ }
+ break;
+
+ case 10:
+#line 120 "ifgram.y"
+ {
+ yyval = yyvsp[-2] * yyvsp[0];
+ }
+ break;
+
+ case 11:
+#line 126 "ifgram.y"
+ {
+ if (yyvsp[0] == 0) {
+ yyerror("attempt to divide by 0");
+ /* gcc appears to return the numerator in this case,
+ * so we do the same */
+ yyval = yyvsp[-2];
+ }
+ else {
+ yyval = yyvsp[-2] / yyvsp[0];
+ }
+ }
+ break;
+
+ case 12:
+#line 140 "ifgram.y"
+ {
+ if (yyvsp[0] == 0) {
+ yyerror("attempt to modulo by 0");
+ yyval = yyvsp[-2];
+ }
+ else {
+ yyval = yyvsp[-2] % yyvsp[0];
+ }
+ }
+ break;
+
+ case 13:
+#line 152 "ifgram.y"
+ {
+ yyval = yyvsp[-2] + yyvsp[0];
+ }
+ break;
+
+ case 14:
+#line 158 "ifgram.y"
+ {
+ yyval = yyvsp[-2] - yyvsp[0];
+ }
+ break;
+
+ case 15:
+#line 164 "ifgram.y"
+ {
+ yyval = yyvsp[-2] << yyvsp[0];
+ }
+ break;
+
+ case 16:
+#line 170 "ifgram.y"
+ {
+ yyval = yyvsp[-2] >> yyvsp[0];
+ }
+ break;
+
+ case 17:
+#line 176 "ifgram.y"
+ {
+ yyval = (yyvsp[-2] < yyvsp[0]);
+ }
+ break;
+
+ case 18:
+#line 182 "ifgram.y"
+ {
+ yyval = (yyvsp[-2] <= yyvsp[0]);
+ }
+ break;
+
+ case 19:
+#line 188 "ifgram.y"
+ {
+ yyval = (yyvsp[-2] > yyvsp[0]);
+ }
+ break;
+
+ case 20:
+#line 194 "ifgram.y"
+ {
+ yyval = (yyvsp[-2] >= yyvsp[0]);
+ }
+ break;
+
+ case 21:
+#line 200 "ifgram.y"
+ {
+ yyval = (yyvsp[-2] == yyvsp[0]);
+ }
+ break;
+
+ case 22:
+#line 206 "ifgram.y"
+ {
+ yyval = (yyvsp[-2] != yyvsp[0]);
+ }
+ break;
+
+ case 23:
+#line 212 "ifgram.y"
+ {
+ yyval = yyvsp[-2] & yyvsp[0];
+ }
+ break;
+
+ case 24:
+#line 218 "ifgram.y"
+ {
+ yyval = yyvsp[-2] ^ yyvsp[0];
+ }
+ break;
+
+ case 25:
+#line 224 "ifgram.y"
+ {
+ yyval = yyvsp[-2] | yyvsp[0];
+ }
+ break;
+
+ case 26:
+#line 230 "ifgram.y"
+ {
+ yyval = yyvsp[-2] || yyvsp[0];
+ }
+ break;
+
+ case 27:
+#line 236 "ifgram.y"
+ {
+ yyval = yyvsp[-2] && yyvsp[0];
+ }
+ break;
+
+ case 28:
+#line 242 "ifgram.y"
+ {
+ yyval = ( yyvsp[-4] ? yyvsp[-2] : yyvsp[0] );
+ }
+ break;
+
+ case 29:
+#line 248 "ifgram.y"
+ {
+ yyval = yyvsp[0];
+ }
+ break;
+
+ case 30:
+#line 254 "ifgram.y"
+ {
+ yyval = yyvsp[0];
+ }
+ break;
+
+ case 31:
+#line 260 "ifgram.y"
+ {
+ yyval = 1;
+ }
+ break;
+
+ case 32:
+#line 266 "ifgram.y"
+ {
+ yyval = 0;
+ }
+ break;
+
+
+ }
+
+/* Line 1016 of /usr/share/bison/yacc.c. */
+#line 1335 "ifgram.tab.c"
+\f
+ yyvsp -= yylen;
+ yyssp -= yylen;
+
+
+#if YYDEBUG
+ if (yydebug)
+ {
+ short *yyssp1 = yyss - 1;
+ YYFPRINTF (stderr, "state stack now");
+ while (yyssp1 != yyssp)
+ YYFPRINTF (stderr, " %d", *++yyssp1);
+ YYFPRINTF (stderr, "\n");
+ }
+#endif
+
+ *++yyvsp = yyval;
+
+
+ /* Now `shift' the result of the reduction. Determine what state
+ that goes to, based on the state we popped back to and the rule
+ number reduced by. */
+
+ yyn = yyr1[yyn];
+
+ yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
+ if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
+ yystate = yytable[yystate];
+ else
+ yystate = yydefgoto[yyn - YYNTOKENS];
+
+ goto yynewstate;
+
+
+/*------------------------------------.
+| yyerrlab -- here on detecting error |
+`------------------------------------*/
+yyerrlab:
+ /* If not already recovering from an error, report this error. */
+ if (!yyerrstatus)
+ {
+ ++yynerrs;
+#if YYERROR_VERBOSE
+ yyn = yypact[yystate];
+
+ if (YYPACT_NINF < yyn && yyn < YYLAST)
+ {
+ YYSIZE_T yysize = 0;
+ int yytype = YYTRANSLATE (yychar);
+ char *yymsg;
+ int yyx, yycount;
+
+ yycount = 0;
+ /* Start YYX at -YYN if negative to avoid negative indexes in
+ YYCHECK. */
+ for (yyx = yyn < 0 ? -yyn : 0;
+ yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++)
+ if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+ yysize += yystrlen (yytname[yyx]) + 15, yycount++;
+ yysize += yystrlen ("parse error, unexpected ") + 1;
+ yysize += yystrlen (yytname[yytype]);
+ yymsg = (char *) YYSTACK_ALLOC (yysize);
+ if (yymsg != 0)
+ {
+ char *yyp = yystpcpy (yymsg, "parse error, unexpected ");
+ yyp = yystpcpy (yyp, yytname[yytype]);
+
+ if (yycount < 5)
+ {
+ yycount = 0;
+ for (yyx = yyn < 0 ? -yyn : 0;
+ yyx < (int) (sizeof (yytname) / sizeof (char *));
+ yyx++)
+ if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+ {
+ const char *yyq = ! yycount ? ", expecting " : " or ";
+ yyp = yystpcpy (yyp, yyq);
+ yyp = yystpcpy (yyp, yytname[yyx]);
+ yycount++;
+ }
+ }
+ yyerror (yymsg);
+ YYSTACK_FREE (yymsg);
+ }
+ else
+ yyerror ("parse error; also virtual memory exhausted");
+ }
+ else
+#endif /* YYERROR_VERBOSE */
+ yyerror ("parse error");
+ }
+ goto yyerrlab1;
+
+
+/*----------------------------------------------------.
+| yyerrlab1 -- error raised explicitly by an action. |
+`----------------------------------------------------*/
+yyerrlab1:
+ if (yyerrstatus == 3)
+ {
+ /* If just tried and failed to reuse lookahead token after an
+ error, discard it. */
+
+ /* Return failure if at end of input. */
+ if (yychar == YYEOF)
+ {
+ /* Pop the error token. */
+ YYPOPSTACK;
+ /* Pop the rest of the stack. */
+ while (yyssp > yyss)
+ {
+ YYDPRINTF ((stderr, "Error: popping "));
+ YYDSYMPRINT ((stderr,
+ yystos[*yyssp],
+ *yyvsp));
+ YYDPRINTF ((stderr, "\n"));
+ yydestruct (yystos[*yyssp], *yyvsp);
+ YYPOPSTACK;
+ }
+ YYABORT;
+ }
+
+ YYDPRINTF ((stderr, "Discarding token %d (%s).\n",
+ yychar, yytname[yychar1]));
+ yydestruct (yychar1, yylval);
+ yychar = YYEMPTY;
+ }
+
+ /* Else will try to reuse lookahead token after shifting the error
+ token. */
+
+ yyerrstatus = 3; /* Each real token shifted decrements this. */
+
+ for (;;)
+ {
+ yyn = yypact[yystate];
+ if (yyn != YYPACT_NINF)
+ {
+ yyn += YYTERROR;
+ if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
+ {
+ yyn = yytable[yyn];
+ if (0 < yyn)
+ break;
+ }
+ }
+
+ /* Pop the current state because it cannot handle the error token. */
+ if (yyssp == yyss)
+ YYABORT;
+
+ YYDPRINTF ((stderr, "Error: popping "));
+ YYDSYMPRINT ((stderr,
+ yystos[*yyssp], *yyvsp));
+ YYDPRINTF ((stderr, "\n"));
+
+ yydestruct (yystos[yystate], *yyvsp);
+ yyvsp--;
+ yystate = *--yyssp;
+
+
+#if YYDEBUG
+ if (yydebug)
+ {
+ short *yyssp1 = yyss - 1;
+ YYFPRINTF (stderr, "Error: state stack now");
+ while (yyssp1 != yyssp)
+ YYFPRINTF (stderr, " %d", *++yyssp1);
+ YYFPRINTF (stderr, "\n");
+ }
+#endif
+ }
+
+ if (yyn == YYFINAL)
+ YYACCEPT;
+
+ YYDPRINTF ((stderr, "Shifting error token, "));
+
+ *++yyvsp = yylval;
+
+
+ yystate = yyn;
+ goto yynewstate;
+
+
+/*-------------------------------------.
+| yyacceptlab -- YYACCEPT comes here. |
+`-------------------------------------*/
+yyacceptlab:
+ yyresult = 0;
+ goto yyreturn;
+
+/*-----------------------------------.
+| yyabortlab -- YYABORT comes here. |
+`-----------------------------------*/
+yyabortlab:
+ yyresult = 1;
+ goto yyreturn;
+
+#ifndef yyoverflow
+/*----------------------------------------------.
+| yyoverflowlab -- parser overflow comes here. |
+`----------------------------------------------*/
+yyoverflowlab:
+ yyerror ("parser stack overflow");
+ yyresult = 2;
+ /* Fall through. */
+#endif
+
+yyreturn:
+#ifndef yyoverflow
+ if (yyss != yyssa)
+ YYSTACK_FREE (yyss);
+#endif
+ return yyresult;
+}
+
+
+#line 272 "ifgram.y"
+
+
+/* This is a pointer to the buffer containing the clause in compressed form.
+ * A call to set_ifclause_buffer() sets this to point to an actual array */
+static unsigned char * Buffer;
+
+/* Our current position in Buffer */
+static int Offset;
+
+/* length of Buffer */
+static int Length;
+
+
+
+/* To use this mini-parser, put the clause in compressed internal form
+ * in an array, and pass that array and its length to this function,
+ * then call ifparse().
+ */
+
+void
+set_ifclause_buffer(buff, len)
+
+unsigned char * buff;
+int len;
+
+{
+ Buffer = buff;
+ Length = len;
+ Offset = 0;
+}
+
+
+/* The compressed if-clause format is described in lex.c above add_ifclause().
+ * Since it's very simple (everything except numbers
+ * are single character tokens), we have a hand-coded lexer.
+ * It maps the compressed format tokens to bison tokens.
+ */
+
+int
+iflex()
+{
+ if (Offset == Length) {
+ return(ICT_END);
+ }
+
+ switch(Buffer[Offset++]) {
+
+ case '(':
+ return(ICT_LPAREN);
+ case ')':
+ return(ICT_RPAREN);
+
+ case '!':
+ return(ICT_NOT);
+ case '~':
+ return(ICT_BITCOMPLEMENT);
+
+ case '*':
+ return(ICT_MULT);
+ case '/':
+ return(ICT_DIVIDE);
+ case '%':
+ return(ICT_MOD);
+
+ case '+':
+ return(ICT_PLUS);
+ case '-':
+ return(ICT_MINUS);
+
+ case 'l':
+ return(ICT_SHLEFT);
+ case 'r':
+ return(ICT_SHRIGHT);
+
+ case '<':
+ return(ICT_LT);
+ case '>':
+ return(ICT_GT);
+ case 'L':
+ return(ICT_LE);
+ case 'G':
+ return(ICT_GE);
+
+ case 'E':
+ return(ICT_EQ);
+ case 'N':
+ return(ICT_NE);
+
+ case '&':
+ return(ICT_BITAND);
+
+ case '^':
+ return(ICT_BITXOR);
+
+ case '|':
+ return(ICT_BITOR);
+
+ case 'a':
+ return(ICT_AND);
+
+ case 'o':
+ return(ICT_OR);
+
+ case '?':
+ return(ICT_QUESTION);
+ case ':':
+ return(ICT_COLON);
+
+ case 'T':
+ return(ICT_TRUE);
+ case 'F':
+ return(ICT_FALSE);
+ case '#':
+ iflval = ((Buffer[Offset] << 24) & 0xff000000)
+ | ((Buffer[Offset+1] << 16) & 0xff0000)
+ | ((Buffer[Offset+2] << 8) & 0xff00)
+ | (Buffer[Offset+3] & 0xff);
+ Offset += 4;
+ return(ICT_VALUE);
+
+ default:
+ return(ICT_ERROR);
+ }
+}
+
+
+
+/* Error message printer for syntax/semantic errors in 'if' clauses.
+ * WARNING: bison appears to somehow use yyerror even when using a prefix
+ * other than yy. So if this function calls yyerror, it gets into an
+ * infinite loop! So don't do that...
+ */
+
+int
+iferror(msg)
+
+char * msg;
+
+{
+ l_yyerror(Curr_filename, yylineno, msg);
+ return(0);
+}
+
+
~mdw / mup / blobdiff