+++ /dev/null
-/* A Bison parser, made by GNU Bison 1.875. */
-
-/* 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
-
-/* Skeleton name. */
-#define YYSKELETON_NAME "yacc.c"
-
-/* Pure parsers. */
-#define YYPURE 0
-
-/* Using locations. */
-#define YYLSP_NEEDED 0
-
-
-
-/* Tokens. */
-#ifndef YYTOKENTYPE
-# define YYTOKENTYPE
- /* Put the tokens into the symbol table, so that GDB and other debuggers
- know about them. */
- enum yytokentype {
- INT = 258,
- CHAR = 259,
- NAME = 260,
- ERROR = 261,
- OR = 262,
- AND = 263,
- NOTEQUAL = 264,
- EQUAL = 265,
- GEQ = 266,
- LEQ = 267,
- RSH = 268,
- LSH = 269,
- UNARY = 270
- };
-#endif
-#define INT 258
-#define CHAR 259
-#define NAME 260
-#define ERROR 261
-#define OR 262
-#define AND 263
-#define NOTEQUAL 264
-#define EQUAL 265
-#define GEQ 266
-#define LEQ 267
-#define RSH 268
-#define LSH 269
-#define UNARY 270
-
-
-
-
-/* Copy the first part of user declarations. */
-#line 24 "tradcif.y"
-
-#include "config.h"
-#include "system.h"
-#include "intl.h"
-#include "tradcpp.h"
-#include <setjmp.h>
-
- static int yylex PARAMS ((void));
- static void yyerror PARAMS ((const char *msgid)) ATTRIBUTE_NORETURN;
-
- static int parse_number PARAMS ((int));
- static int parse_escape PARAMS ((const char **));
-
- static int expression_value;
- static jmp_buf parse_return_error;
-
- /* During parsing of a C expression, the pointer to the next
- character is in this variable. */
-
- static const char *lexptr;
-
-
-/* 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
-
-#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
-#line 46 "tradcif.y"
-typedef union YYSTYPE {
- struct constant {long value; int unsignedp;} integer;
- int voidval;
- char *sval;
-} YYSTYPE;
-/* Line 191 of yacc.c. */
-#line 133 "tr11499.c"
-# define yystype YYSTYPE /* obsolescent; will be withdrawn */
-# define YYSTYPE_IS_DECLARED 1
-# define YYSTYPE_IS_TRIVIAL 1
-#endif
-
-
-
-/* Copy the second part of user declarations. */
-
-
-/* Line 214 of yacc.c. */
-#line 145 "tr11499.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) \
- || (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_MAXIMUM (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_MAXIMUM)
-
-/* 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_MAXIMUM; \
- 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 18
-/* YYLAST -- Last index in YYTABLE. */
-#define YYLAST 184
-
-/* YYNTOKENS -- Number of terminals. */
-#define YYNTOKENS 34
-/* 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 270
-
-#define YYTRANSLATE(YYX) \
- ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : 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, 29, 2, 33, 2, 27, 14, 2,
- 31, 32, 25, 23, 9, 24, 2, 26, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 8, 2,
- 17, 2, 18, 7, 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, 13, 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, 12, 2, 30, 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, 10, 11, 15, 16, 19, 20, 21, 22,
- 28
-};
-
-#if YYDEBUG
-/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
- YYRHS. */
-static const unsigned char yyprhs[] =
-{
- 0, 0, 3, 5, 7, 11, 14, 17, 20, 23,
- 27, 31, 35, 39, 43, 47, 51, 55, 59, 63,
- 67, 71, 75, 79, 83, 87, 91, 95, 99, 105,
- 107, 109, 111
-};
-
-/* YYRHS -- A `-1'-separated list of the rules' RHS. */
-static const yysigned_char yyrhs[] =
-{
- 35, 0, -1, 36, -1, 37, -1, 36, 9, 37,
- -1, 24, 37, -1, 29, 37, -1, 23, 37, -1,
- 30, 37, -1, 31, 36, 32, -1, 37, 25, 37,
- -1, 37, 26, 37, -1, 37, 27, 37, -1, 37,
- 23, 37, -1, 37, 24, 37, -1, 37, 22, 37,
- -1, 37, 21, 37, -1, 37, 16, 37, -1, 37,
- 15, 37, -1, 37, 20, 37, -1, 37, 19, 37,
- -1, 37, 17, 37, -1, 37, 18, 37, -1, 37,
- 14, 37, -1, 37, 13, 37, -1, 37, 12, 37,
- -1, 37, 11, 37, -1, 37, 10, 37, -1, 37,
- 7, 37, 8, 37, -1, 3, -1, 4, -1, 5,
- -1, 33, -1
-};
-
-/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
-static const unsigned char yyrline[] =
-{
- 0, 75, 75, 80, 81, 86, 89, 92, 94, 97,
- 102, 108, 119, 130, 133, 136, 142, 148, 151, 154,
- 161, 168, 175, 182, 185, 188, 191, 194, 197, 200,
- 202, 204, 207
-};
-#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", "INT", "CHAR", "NAME", "ERROR", "'?'",
- "':'", "','", "OR", "AND", "'|'", "'^'", "'&'", "NOTEQUAL", "EQUAL",
- "'<'", "'>'", "GEQ", "LEQ", "RSH", "LSH", "'+'", "'-'", "'*'", "'/'",
- "'%'", "UNARY", "'!'", "'~'", "'('", "')'", "'#'", "$accept", "start",
- "exp1", "exp", 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, 63, 58, 44,
- 262, 263, 124, 94, 38, 264, 265, 60, 62, 266,
- 267, 268, 269, 43, 45, 42, 47, 37, 270, 33,
- 126, 40, 41, 35
-};
-# endif
-
-/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
-static const unsigned char yyr1[] =
-{
- 0, 34, 35, 36, 36, 37, 37, 37, 37, 37,
- 37, 37, 37, 37, 37, 37, 37, 37, 37, 37,
- 37, 37, 37, 37, 37, 37, 37, 37, 37, 37,
- 37, 37, 37
-};
-
-/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
-static const unsigned char yyr2[] =
-{
- 0, 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, 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, 29, 30, 31, 0, 0, 0, 0, 0, 32,
- 0, 2, 3, 7, 5, 6, 8, 0, 1, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 9,
- 4, 0, 27, 26, 25, 24, 23, 18, 17, 21,
- 22, 20, 19, 16, 15, 13, 14, 10, 11, 12,
- 0, 28
-};
-
-/* YYDEFGOTO[NTERM-NUM]. */
-static const yysigned_char yydefgoto[] =
-{
- -1, 10, 11, 12
-};
-
-/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
- STATE-NUM. */
-#define YYPACT_NINF -18
-static const short yypact[] =
-{
- 34, -18, -18, -18, 34, 34, 34, 34, 34, -18,
- 11, 4, 82, -18, -18, -18, -18, 3, -18, 34,
- 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
- 34, 34, 34, 34, 34, 34, 34, 34, 34, -18,
- 82, 61, 99, 28, 114, 128, 141, 152, 152, -17,
- -17, -17, -17, 157, 157, 35, 35, -18, -18, -18,
- 34, 82
-};
-
-/* YYPGOTO[NTERM-NUM]. */
-static const yysigned_char yypgoto[] =
-{
- -18, -18, 6, -4
-};
-
-/* 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, syntax error. */
-#define YYTABLE_NINF -1
-static const unsigned char yytable[] =
-{
- 13, 14, 15, 16, 32, 33, 34, 35, 36, 37,
- 38, 18, 19, 19, 17, 40, 41, 42, 43, 44,
- 45, 46, 47, 48, 49, 50, 51, 52, 53, 54,
- 55, 56, 57, 58, 59, 39, 0, 1, 2, 3,
- 23, 24, 25, 26, 27, 28, 29, 30, 31, 32,
- 33, 34, 35, 36, 37, 38, 61, 4, 5, 0,
- 36, 37, 38, 6, 7, 8, 0, 9, 20, 60,
- 0, 21, 22, 23, 24, 25, 26, 27, 28, 29,
- 30, 31, 32, 33, 34, 35, 36, 37, 38, 20,
- 0, 0, 21, 22, 23, 24, 25, 26, 27, 28,
- 29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
- 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
- 32, 33, 34, 35, 36, 37, 38, 24, 25, 26,
- 27, 28, 29, 30, 31, 32, 33, 34, 35, 36,
- 37, 38, 25, 26, 27, 28, 29, 30, 31, 32,
- 33, 34, 35, 36, 37, 38, 26, 27, 28, 29,
- 30, 31, 32, 33, 34, 35, 36, 37, 38, 28,
- 29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
- 34, 35, 36, 37, 38
-};
-
-static const yysigned_char yycheck[] =
-{
- 4, 5, 6, 7, 21, 22, 23, 24, 25, 26,
- 27, 0, 9, 9, 8, 19, 20, 21, 22, 23,
- 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
- 34, 35, 36, 37, 38, 32, -1, 3, 4, 5,
- 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
- 22, 23, 24, 25, 26, 27, 60, 23, 24, -1,
- 25, 26, 27, 29, 30, 31, -1, 33, 7, 8,
- -1, 10, 11, 12, 13, 14, 15, 16, 17, 18,
- 19, 20, 21, 22, 23, 24, 25, 26, 27, 7,
- -1, -1, 10, 11, 12, 13, 14, 15, 16, 17,
- 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
- 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
- 21, 22, 23, 24, 25, 26, 27, 13, 14, 15,
- 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
- 26, 27, 14, 15, 16, 17, 18, 19, 20, 21,
- 22, 23, 24, 25, 26, 27, 15, 16, 17, 18,
- 19, 20, 21, 22, 23, 24, 25, 26, 27, 17,
- 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
- 23, 24, 25, 26, 27
-};
-
-/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
- symbol of state STATE-NUM. */
-static const unsigned char yystos[] =
-{
- 0, 3, 4, 5, 23, 24, 29, 30, 31, 33,
- 35, 36, 37, 37, 37, 37, 37, 36, 0, 9,
- 7, 10, 11, 12, 13, 14, 15, 16, 17, 18,
- 19, 20, 21, 22, 23, 24, 25, 26, 27, 32,
- 37, 37, 37, 37, 37, 37, 37, 37, 37, 37,
- 37, 37, 37, 37, 37, 37, 37, 37, 37, 37,
- 8, 37
-};
-
-#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); \
- yytoken = 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. */
-
-#ifdef YYLEX_PARAM
-# define YYLEX yylex (YYLEX_PARAM)
-#else
-# define YYLEX yylex ()
-#endif
-
-/* 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)
-
-# define YYDSYMPRINTF(Title, Token, Value, Location) \
-do { \
- if (yydebug) \
- { \
- YYFPRINTF (stderr, "%s ", Title); \
- yysymprint (stderr, \
- Token, Value); \
- YYFPRINTF (stderr, "\n"); \
- } \
-} while (0)
-
-/*------------------------------------------------------------------.
-| yy_stack_print -- Print the state stack from its BOTTOM up to its |
-| TOP (cinluded). |
-`------------------------------------------------------------------*/
-
-#if defined (__STDC__) || defined (__cplusplus)
-static void
-yy_stack_print (short *bottom, short *top)
-#else
-static void
-yy_stack_print (bottom, top)
- short *bottom;
- short *top;
-#endif
-{
- YYFPRINTF (stderr, "Stack now");
- for (/* Nothing. */; bottom <= top; ++bottom)
- YYFPRINTF (stderr, " %d", *bottom);
- YYFPRINTF (stderr, "\n");
-}
-
-# define YY_STACK_PRINT(Bottom, Top) \
-do { \
- if (yydebug) \
- yy_stack_print ((Bottom), (Top)); \
-} while (0)
-
-
-/*------------------------------------------------.
-| Report that the YYRULE is going to be reduced. |
-`------------------------------------------------*/
-
-#if defined (__STDC__) || defined (__cplusplus)
-static void
-yy_reduce_print (int yyrule)
-#else
-static void
-yy_reduce_print (yyrule)
- int yyrule;
-#endif
-{
- int yyi;
- unsigned int yylineno = yyrline[yyrule];
- YYFPRINTF (stderr, "Reducing stack by rule %d (line %u), ",
- yyrule - 1, yylineno);
- /* Print the symbols being reduced, and their result. */
- for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++)
- YYFPRINTF (stderr, "%s ", yytname [yyrhs[yyi]]);
- YYFPRINTF (stderr, "-> %s\n", yytname [yyr1[yyrule]]);
-}
-
-# define YY_REDUCE_PRINT(Rule) \
-do { \
- if (yydebug) \
- yy_reduce_print (Rule); \
-} 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)
-# define YYDSYMPRINTF(Title, Token, Value, Location)
-# define YY_STACK_PRINT(Bottom, Top)
-# define YY_REDUCE_PRINT(Rule)
-#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 YYOUTPUT. |
-`--------------------------------*/
-
-#if defined (__STDC__) || defined (__cplusplus)
-static void
-yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep)
-#else
-static void
-yysymprint (yyoutput, yytype, yyvaluep)
- FILE *yyoutput;
- int yytype;
- YYSTYPE *yyvaluep;
-#endif
-{
- /* Pacify ``unused variable'' warnings. */
- (void) yyvaluep;
-
- if (yytype < YYNTOKENS)
- {
- YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
-# ifdef YYPRINT
- YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
-# endif
- }
- else
- YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
-
- switch (yytype)
- {
- default:
- break;
- }
- YYFPRINTF (yyoutput, ")");
-}
-
-#endif /* ! YYDEBUG */
-/*-----------------------------------------------.
-| Release the memory associated to this symbol. |
-`-----------------------------------------------*/
-
-#if defined (__STDC__) || defined (__cplusplus)
-static void
-yydestruct (int yytype, YYSTYPE *yyvaluep)
-#else
-static void
-yydestruct (yytype, yyvaluep)
- int yytype;
- YYSTYPE *yyvaluep;
-#endif
-{
- /* Pacify ``unused variable'' warnings. */
- (void) yyvaluep;
-
- switch (yytype)
- {
-
- default:
- break;
- }
-}
-\f
-
-/* Prevent warnings from -Wmissing-prototypes. */
-
-#ifdef YYPARSE_PARAM
-# if defined (__STDC__) || defined (__cplusplus)
-int yyparse (void *YYPARSE_PARAM);
-# else
-int yyparse ();
-# endif
-#else /* ! YYPARSE_PARAM */
-#if defined (__STDC__) || defined (__cplusplus)
-int yyparse (void);
-#else
-int yyparse ();
-#endif
-#endif /* ! YYPARSE_PARAM */
-
-
-
-/* The lookahead symbol. */
-int yychar;
-
-/* The semantic value of the lookahead symbol. */
-YYSTYPE yylval;
-
-/* Number of syntax errors so far. */
-int yynerrs;
-
-
-
-/*----------.
-| yyparse. |
-`----------*/
-
-#ifdef YYPARSE_PARAM
-# if defined (__STDC__) || defined (__cplusplus)
-int yyparse (void *YYPARSE_PARAM)
-# else
-int yyparse (YYPARSE_PARAM)
- void *YYPARSE_PARAM;
-# endif
-#else /* ! YYPARSE_PARAM */
-#if defined (__STDC__) || defined (__cplusplus)
-int
-yyparse (void)
-#else
-int
-yyparse ()
-
-#endif
-#endif
-{
-
- 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 yytoken = 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 (yyss + yystacksize - 1 <= yyssp)
- {
- /* 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 (YYMAXDEPTH <= yystacksize)
- goto yyoverflowlab;
- yystacksize *= 2;
- if (YYMAXDEPTH < yystacksize)
- 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 (yyss + yystacksize - 1 <= yyssp)
- 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 lookahead symbol. */
- if (yychar == YYEMPTY)
- {
- YYDPRINTF ((stderr, "Reading a token: "));
- yychar = YYLEX;
- }
-
- if (yychar <= YYEOF)
- {
- yychar = yytoken = YYEOF;
- YYDPRINTF ((stderr, "Now at end of input.\n"));
- }
- else
- {
- yytoken = YYTRANSLATE (yychar);
- YYDSYMPRINTF ("Next token is", yytoken, &yylval, &yylloc);
- }
-
- /* If the proper action on seeing token YYTOKEN is to reduce or to
- detect an error, take that action. */
- yyn += yytoken;
- if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
- 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 %s, ", yytname[yytoken]));
-
- /* 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];
-
-
- YY_REDUCE_PRINT (yyn);
- switch (yyn)
- {
- case 2:
-#line 76 "tradcif.y"
- { expression_value = yyvsp[0].integer.value; ;}
- break;
-
- case 4:
-#line 82 "tradcif.y"
- { yyval.integer = yyvsp[0].integer; ;}
- break;
-
- case 5:
-#line 87 "tradcif.y"
- { yyval.integer.value = - yyvsp[0].integer.value;
- yyval.integer.unsignedp = yyvsp[0].integer.unsignedp; ;}
- break;
-
- case 6:
-#line 90 "tradcif.y"
- { yyval.integer.value = ! yyvsp[0].integer.value;
- yyval.integer.unsignedp = 0; ;}
- break;
-
- case 7:
-#line 93 "tradcif.y"
- { yyval.integer = yyvsp[0].integer; ;}
- break;
-
- case 8:
-#line 95 "tradcif.y"
- { yyval.integer.value = ~ yyvsp[0].integer.value;
- yyval.integer.unsignedp = yyvsp[0].integer.unsignedp; ;}
- break;
-
- case 9:
-#line 98 "tradcif.y"
- { yyval.integer = yyvsp[-1].integer; ;}
- break;
-
- case 10:
-#line 103 "tradcif.y"
- { yyval.integer.unsignedp = yyvsp[-2].integer.unsignedp || yyvsp[0].integer.unsignedp;
- if (yyval.integer.unsignedp)
- yyval.integer.value = (unsigned) yyvsp[-2].integer.value * yyvsp[0].integer.value;
- else
- yyval.integer.value = yyvsp[-2].integer.value * yyvsp[0].integer.value; ;}
- break;
-
- case 11:
-#line 109 "tradcif.y"
- { if (yyvsp[0].integer.value == 0)
- {
- error ("division by zero in #if");
- yyvsp[0].integer.value = 1;
- }
- yyval.integer.unsignedp = yyvsp[-2].integer.unsignedp || yyvsp[0].integer.unsignedp;
- if (yyval.integer.unsignedp)
- yyval.integer.value = (unsigned) yyvsp[-2].integer.value / yyvsp[0].integer.value;
- else
- yyval.integer.value = yyvsp[-2].integer.value / yyvsp[0].integer.value; ;}
- break;
-
- case 12:
-#line 120 "tradcif.y"
- { if (yyvsp[0].integer.value == 0)
- {
- error ("division by zero in #if");
- yyvsp[0].integer.value = 1;
- }
- yyval.integer.unsignedp = yyvsp[-2].integer.unsignedp || yyvsp[0].integer.unsignedp;
- if (yyval.integer.unsignedp)
- yyval.integer.value = (unsigned) yyvsp[-2].integer.value % yyvsp[0].integer.value;
- else
- yyval.integer.value = yyvsp[-2].integer.value % yyvsp[0].integer.value; ;}
- break;
-
- case 13:
-#line 131 "tradcif.y"
- { yyval.integer.value = yyvsp[-2].integer.value + yyvsp[0].integer.value;
- yyval.integer.unsignedp = yyvsp[-2].integer.unsignedp || yyvsp[0].integer.unsignedp; ;}
- break;
-
- case 14:
-#line 134 "tradcif.y"
- { yyval.integer.value = yyvsp[-2].integer.value - yyvsp[0].integer.value;
- yyval.integer.unsignedp = yyvsp[-2].integer.unsignedp || yyvsp[0].integer.unsignedp; ;}
- break;
-
- case 15:
-#line 137 "tradcif.y"
- { yyval.integer.unsignedp = yyvsp[-2].integer.unsignedp;
- if (yyval.integer.unsignedp)
- yyval.integer.value = (unsigned) yyvsp[-2].integer.value << yyvsp[0].integer.value;
- else
- yyval.integer.value = yyvsp[-2].integer.value << yyvsp[0].integer.value; ;}
- break;
-
- case 16:
-#line 143 "tradcif.y"
- { yyval.integer.unsignedp = yyvsp[-2].integer.unsignedp;
- if (yyval.integer.unsignedp)
- yyval.integer.value = (unsigned) yyvsp[-2].integer.value >> yyvsp[0].integer.value;
- else
- yyval.integer.value = yyvsp[-2].integer.value >> yyvsp[0].integer.value; ;}
- break;
-
- case 17:
-#line 149 "tradcif.y"
- { yyval.integer.value = (yyvsp[-2].integer.value == yyvsp[0].integer.value);
- yyval.integer.unsignedp = 0; ;}
- break;
-
- case 18:
-#line 152 "tradcif.y"
- { yyval.integer.value = (yyvsp[-2].integer.value != yyvsp[0].integer.value);
- yyval.integer.unsignedp = 0; ;}
- break;
-
- case 19:
-#line 155 "tradcif.y"
- { yyval.integer.unsignedp = 0;
- if (yyvsp[-2].integer.unsignedp || yyvsp[0].integer.unsignedp)
- yyval.integer.value =
- (unsigned) yyvsp[-2].integer.value <= (unsigned) yyvsp[0].integer.value;
- else
- yyval.integer.value = yyvsp[-2].integer.value <= yyvsp[0].integer.value; ;}
- break;
-
- case 20:
-#line 162 "tradcif.y"
- { yyval.integer.unsignedp = 0;
- if (yyvsp[-2].integer.unsignedp || yyvsp[0].integer.unsignedp)
- yyval.integer.value =
- (unsigned) yyvsp[-2].integer.value >= (unsigned) yyvsp[0].integer.value;
- else
- yyval.integer.value = yyvsp[-2].integer.value >= yyvsp[0].integer.value; ;}
- break;
-
- case 21:
-#line 169 "tradcif.y"
- { yyval.integer.unsignedp = 0;
- if (yyvsp[-2].integer.unsignedp || yyvsp[0].integer.unsignedp)
- yyval.integer.value =
- (unsigned) yyvsp[-2].integer.value < (unsigned) yyvsp[0].integer.value;
- else
- yyval.integer.value = yyvsp[-2].integer.value < yyvsp[0].integer.value; ;}
- break;
-
- case 22:
-#line 176 "tradcif.y"
- { yyval.integer.unsignedp = 0;
- if (yyvsp[-2].integer.unsignedp || yyvsp[0].integer.unsignedp)
- yyval.integer.value =
- (unsigned) yyvsp[-2].integer.value > (unsigned) yyvsp[0].integer.value;
- else
- yyval.integer.value = yyvsp[-2].integer.value > yyvsp[0].integer.value; ;}
- break;
-
- case 23:
-#line 183 "tradcif.y"
- { yyval.integer.value = yyvsp[-2].integer.value & yyvsp[0].integer.value;
- yyval.integer.unsignedp = yyvsp[-2].integer.unsignedp || yyvsp[0].integer.unsignedp; ;}
- break;
-
- case 24:
-#line 186 "tradcif.y"
- { yyval.integer.value = yyvsp[-2].integer.value ^ yyvsp[0].integer.value;
- yyval.integer.unsignedp = yyvsp[-2].integer.unsignedp || yyvsp[0].integer.unsignedp; ;}
- break;
-
- case 25:
-#line 189 "tradcif.y"
- { yyval.integer.value = yyvsp[-2].integer.value | yyvsp[0].integer.value;
- yyval.integer.unsignedp = yyvsp[-2].integer.unsignedp || yyvsp[0].integer.unsignedp; ;}
- break;
-
- case 26:
-#line 192 "tradcif.y"
- { yyval.integer.value = (yyvsp[-2].integer.value && yyvsp[0].integer.value);
- yyval.integer.unsignedp = 0; ;}
- break;
-
- case 27:
-#line 195 "tradcif.y"
- { yyval.integer.value = (yyvsp[-2].integer.value || yyvsp[0].integer.value);
- yyval.integer.unsignedp = 0; ;}
- break;
-
- case 28:
-#line 198 "tradcif.y"
- { yyval.integer.value = yyvsp[-4].integer.value ? yyvsp[-2].integer.value : yyvsp[0].integer.value;
- yyval.integer.unsignedp = yyvsp[-2].integer.unsignedp || yyvsp[0].integer.unsignedp; ;}
- break;
-
- case 29:
-#line 201 "tradcif.y"
- { yyval.integer = yylval.integer; ;}
- break;
-
- case 30:
-#line 203 "tradcif.y"
- { yyval.integer = yylval.integer; ;}
- break;
-
- case 31:
-#line 205 "tradcif.y"
- { yyval.integer.value = 0;
- yyval.integer.unsignedp = 0; ;}
- break;
-
- case 32:
-#line 207 "tradcif.y"
- { yyval.integer.value =
- test_assertion ((unsigned char **) &lexptr); ;}
- break;
-
-
- }
-
-/* Line 991 of yacc.c. */
-#line 1305 "tr11499.c"
-\f
- yyvsp -= yylen;
- yyssp -= yylen;
-
-
- YY_STACK_PRINT (yyss, yyssp);
-
- *++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 ("syntax error, unexpected ") + 1;
- yysize += yystrlen (yytname[yytype]);
- yymsg = (char *) YYSTACK_ALLOC (yysize);
- if (yymsg != 0)
- {
- char *yyp = yystpcpy (yymsg, "syntax 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 ("syntax error; also virtual memory exhausted");
- }
- else
-#endif /* YYERROR_VERBOSE */
- yyerror ("syntax error");
- }
-
-
-
- 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 (yyss < yyssp)
- {
- YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
- yydestruct (yystos[*yyssp], yyvsp);
- YYPOPSTACK;
- }
- YYABORT;
- }
-
- YYDSYMPRINTF ("Error: discarding", yytoken, &yylval, &yylloc);
- yydestruct (yytoken, &yylval);
- yychar = YYEMPTY;
-
- }
-
- /* Else will try to reuse lookahead token after shifting the error
- token. */
- goto yyerrlab2;
-
-
-/*----------------------------------------------------.
-| yyerrlab1 -- error raised explicitly by an action. |
-`----------------------------------------------------*/
-yyerrlab1:
-
- /* Suppress GCC warning that yyerrlab1 is unused when no action
- invokes YYERROR. */
-#if defined (__GNUC_MINOR__) && 2093 <= (__GNUC__ * 1000 + __GNUC_MINOR__)
- __attribute__ ((__unused__));
-#endif
-
-
- goto yyerrlab2;
-
-
-/*---------------------------------------------------------------.
-| yyerrlab2 -- pop states until the error token can be shifted. |
-`---------------------------------------------------------------*/
-yyerrlab2:
- 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;
-
- YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
- yydestruct (yystos[yystate], yyvsp);
- yyvsp--;
- yystate = *--yyssp;
-
- YY_STACK_PRINT (yyss, yyssp);
- }
-
- 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 210 "tradcif.y"
-
-\f
-/* Take care of parsing a number (anything that starts with a digit).
- Set yylval and return the token type; update lexptr.
- LEN is the number of characters in it. */
-
-/* maybe needs to actually deal with floating point numbers */
-
-static int
-parse_number (olen)
- int olen;
-{
- const char *p = lexptr;
- long n = 0;
- int c;
- int base = 10;
- int len = olen;
-
- for (c = 0; c < len; c++)
- if (p[c] == '.') {
- /* It's a float since it contains a point. */
- yyerror ("floating point numbers not allowed in #if expressions");
- return ERROR;
- }
-
- /* Traditionally, all numbers are signed. However, we make it
- unsigned if requested with a suffix. */
- yylval.integer.unsignedp = 0;
-
- if (len >= 3 && (!strncmp (p, "0x", 2) || !strncmp (p, "0X", 2))) {
- p += 2;
- base = 16;
- len -= 2;
- }
- else if (*p == '0')
- base = 8;
-
- while (len > 0) {
- c = *p++;
- len--;
- if (ISUPPER (c))
- c = TOLOWER (c);
-
- if (ISDIGIT (c)
- || (base == 16 && ISXDIGIT (c))) {
- n = (n * base) + hex_value (c);
- } else {
- /* `l' means long, and `u' means unsigned. */
- while (1) {
- if (c == 'l' || c == 'L')
- ;
- else if (c == 'u' || c == 'U')
- yylval.integer.unsignedp = 1;
- else
- break;
-
- if (len == 0)
- break;
- c = *p++;
- len--;
- }
- /* Don't look for any more digits after the suffixes. */
- break;
- }
- }
-
- if (len != 0) {
- yyerror ("invalid number in #if expression");
- return ERROR;
- }
-
- lexptr = p;
- yylval.integer.value = n;
- return INT;
-}
-
-struct token {
- const char *const operator;
- const int token;
-};
-
-#ifndef NULL
-#define NULL 0
-#endif
-
-static const struct token tokentab2[] = {
- {"&&", AND},
- {"||", OR},
- {"<<", LSH},
- {">>", RSH},
- {"==", EQUAL},
- {"!=", NOTEQUAL},
- {"<=", LEQ},
- {">=", GEQ},
- {NULL, ERROR}
-};
-
-/* Read one token, getting characters through lexptr. */
-
-static int
-yylex ()
-{
- int c;
- int namelen;
- const char *tokstart;
- const struct token *toktab;
-
- retry:
-
- tokstart = lexptr;
- c = *tokstart;
- /* See if it is a special token of length 2. */
- for (toktab = tokentab2; toktab->operator != NULL; toktab++)
- if (c == *toktab->operator && tokstart[1] == toktab->operator[1]) {
- lexptr += 2;
- return toktab->token;
- }
-
- switch (c) {
- case 0:
- return 0;
-
- case ' ':
- case '\t':
- case '\r':
- case '\n':
- lexptr++;
- goto retry;
-
- case '\'':
- lexptr++;
- c = *lexptr++;
- if (c == '\\')
- c = parse_escape (&lexptr);
-
- /* Sign-extend the constant if chars are signed on target machine. */
- {
- if (flag_signed_char == 0
- || ((c >> (CHAR_TYPE_SIZE - 1)) & 1) == 0)
- yylval.integer.value = c & ((1 << CHAR_TYPE_SIZE) - 1);
- else
- yylval.integer.value = c | ~((1 << CHAR_TYPE_SIZE) - 1);
- }
-
- yylval.integer.unsignedp = 0;
- c = *lexptr++;
- if (c != '\'') {
- yyerror ("invalid character constant in #if");
- return ERROR;
- }
-
- return CHAR;
-
- /* some of these chars are invalid in constant expressions;
- maybe do something about them later */
- case '/':
- case '+':
- case '-':
- case '*':
- case '%':
- case '|':
- case '&':
- case '^':
- case '~':
- case '!':
- case '@':
- case '<':
- case '>':
- case '(':
- case ')':
- case '[':
- case ']':
- case '.':
- case '?':
- case ':':
- case '=':
- case '{':
- case '}':
- case ',':
- case '#':
- lexptr++;
- return c;
-
- case '"':
- yyerror ("double quoted strings not allowed in #if expressions");
- return ERROR;
- }
- if (ISDIGIT (c)) {
- /* It's a number */
- for (namelen = 0;
- c = tokstart[namelen], is_idchar (c) || c == '.';
- namelen++)
- ;
- return parse_number (namelen);
- }
-
- if (!is_idstart (c)) {
- yyerror ("invalid token in expression");
- return ERROR;
- }
-
- /* It is a name. See how long it is. */
-
- for (namelen = 0;
- is_idchar (tokstart[namelen]);
- namelen++)
- ;
-
- lexptr += namelen;
- return NAME;
-}
-
-
-/* Parse a C escape sequence. STRING_PTR points to a variable
- containing a pointer to the string to parse. That pointer
- is updated past the characters we use. The value of the
- escape sequence is returned.
-
- A negative value means the sequence \ newline was seen,
- which is supposed to be equivalent to nothing at all.
-
- If \ is followed by a null character, we return a negative
- value and leave the string pointer pointing at the null character.
-
- If \ is followed by 000, we return 0 and leave the string pointer
- after the zeros. A value of 0 does not mean end of string. */
-
-static int
-parse_escape (string_ptr)
- const char **string_ptr;
-{
- int c = *(*string_ptr)++;
- switch (c)
- {
- case 'a':
- return TARGET_BELL;
- case 'b':
- return TARGET_BS;
- case 'e':
- return 033;
- case 'f':
- return TARGET_FF;
- case 'n':
- return TARGET_NEWLINE;
- case 'r':
- return TARGET_CR;
- case 't':
- return TARGET_TAB;
- case 'v':
- return TARGET_VT;
- case '\n':
- return -2;
- case 0:
- (*string_ptr)--;
- return 0;
- case '^':
- c = *(*string_ptr)++;
- if (c == '\\')
- c = parse_escape (string_ptr);
- if (c == '?')
- return 0177;
- return (c & 0200) | (c & 037);
-
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- {
- int i = c - '0';
- int count = 0;
- while (++count < 3)
- {
- c = *(*string_ptr)++;
- if (c >= '0' && c <= '7')
- i = (i << 3) + c - '0';
- else
- {
- (*string_ptr)--;
- break;
- }
- }
- if ((i & ~((1 << CHAR_TYPE_SIZE) - 1)) != 0)
- {
- i &= (1 << CHAR_TYPE_SIZE) - 1;
- warning ("octal character constant does not fit in a byte");
- }
- return i;
- }
- case 'x':
- {
- int i = 0;
- for (;;)
- {
- c = *(*string_ptr)++;
- if (hex_p (c))
- i = (i << 4) + hex_value (c);
- else
- {
- (*string_ptr)--;
- break;
- }
- }
- if ((i & ~((1 << BITS_PER_UNIT) - 1)) != 0)
- {
- i &= (1 << BITS_PER_UNIT) - 1;
- warning ("hex character constant does not fit in a byte");
- }
- return i;
- }
- default:
- return c;
- }
-}
-
-static void
-yyerror (msgid)
- const char *msgid;
-{
- error ("%s", _(msgid));
- longjmp (parse_return_error, 1);
-}
-\f
-/* This page contains the entry point to this file. */
-
-/* Parse STRING as an expression, and complain if this fails
- to use up all of the contents of STRING. */
-/* We do not support C comments. They should be removed before
- this function is called. */
-
-int
-parse_c_expression (string)
- const char *string;
-{
- lexptr = string;
-
- if (lexptr == 0 || *lexptr == 0) {
- error ("empty #if expression");
- return 0; /* don't include the #if group */
- }
-
- /* if there is some sort of scanning error, just return 0 and assume
- the parsing routine has printed an error message somewhere.
- there is surely a better thing to do than this. */
- if (setjmp (parse_return_error))
- return 0;
-
- if (yyparse ())
- return 0; /* actually this is never reached
- the way things stand. */
- if (*lexptr)
- error ("Junk after end of expression.");
-
- return expression_value; /* set by yyparse () */
-}
-
-