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-
- /* A Bison parser, made from command.y
- by GNU Bison version 1.28 */
-
- #define YYBISON 1 /* Identify Bison output. */
-
- #define NUM 257
- #define STRING 258
- #define IDSTRING 259
- #define ERR 260
- #define LSHIFT 261
- #define RSHIFT 262
- #define COMPLE 263
- #define COMPGE 264
- #define COMPEQ 265
- #define COMPNE 266
- #define COMPAND 267
- #define COMPOR 268
- #define COMPXOR 269
- #define PRINT 270
- #define NEG 271
-
- #line 4 "command.y"
-
-
- #include <stdarg.h>
- #include <stdlib.h>
- #include <string.h>
-
- #include "StringUtils.h"
- #include "xmalloc.h"
- #include "command.h"
- #include "command_parser.h"
-
- #include "log.h"
- #define _L LOG_COMMANDS|LOG_INFO
-
- //#define YYDEBUG 1
- #define YYERROR_VERBOSE 1
-
- int yyerror(char *s);
- int yylex(void);
-
- extern command_symbol_table *command_scope;
-
- extern void lexer_error(char *format, ...);
-
- #define ASSIGNSTMT(x,y) do { if (x.u.sym) \
- command_set_args(NULL, x.u.sym, &y, NULL); \
- } while (0)
-
- #define ASSIGN(z,x,y) do { if (!x.u.sym || \
- !command_set_args(&z, x.u.sym,&y, NULL)) \
- z.type = ca_VOID; } while (0)
-
- #define NUMBINOP(z,px,x,n,OP,py,y) do { if (x.type == y.type && x.type == ca_NUM) { \
- z.type = ca_NUM; \
- z.u.num = px x.u.num OP py y.u.num; \
- } else { \
- parse_error("expected numeric arguments for '" n "'"); \
- z.type = ca_VOID; \
- } } while (0)
-
- #define NUMUNOP(z,n,OP,px,x) do { if (x.type == ca_NUM) { \
- z.type = ca_NUM; \
- z.u.num = OP px x.u.num ; \
- } else { \
- parse_error("expected numeric argument for '" n "'"); \
- z.type = ca_VOID; \
- } } while (0)
-
-
- #line 54 "command.y"
- typedef union
- {
- command_exprval expr;
- command_symbol *sym;
- } YYSTYPE;
- #include <stdio.h>
-
- #ifndef __cplusplus
- #ifndef __STDC__
- #define const
- #endif
- #endif
-
-
-
- #define YYFINAL 114
- #define YYFLAG -32768
- #define YYNTBASE 37
-
- #define YYTRANSLATE(x) ((unsigned)(x) <= 271 ? yytranslate[x] : 58)
-
- static const char yytranslate[] = { 0,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 26,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 33, 2, 2, 2, 2, 20, 2, 35,
- 36, 21, 19, 27, 18, 2, 22, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 29, 25, 32,
- 17, 31, 28, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 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, 23, 2, 34, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 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, 3, 4, 5, 6,
- 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
- 24
- };
-
- #if YYDEBUG != 0
- static const short yyprhs[] = { 0,
- 0, 1, 4, 6, 8, 9, 11, 13, 15, 18,
- 19, 22, 24, 26, 30, 32, 40, 47, 53, 58,
- 62, 65, 67, 69, 73, 77, 79, 81, 87, 89,
- 93, 97, 101, 103, 107, 111, 115, 117, 121, 125,
- 127, 131, 135, 139, 143, 145, 149, 153, 155, 159,
- 163, 165, 169, 173, 175, 178, 181, 184, 186, 188,
- 190, 192, 197, 204, 213, 224, 237, 252, 256
- };
-
- static const short yyrhs[] = { -1,
- 37, 39, 0, 25, 0, 26, 0, 0, 44, 0,
- 40, 0, 38, 0, 16, 41, 0, 0, 41, 42,
- 0, 47, 0, 5, 0, 43, 17, 46, 0, 45,
- 0, 43, 42, 42, 42, 42, 42, 42, 0, 43,
- 42, 42, 42, 42, 42, 0, 43, 42, 42, 42,
- 42, 0, 43, 42, 42, 42, 0, 43, 42, 42,
- 0, 43, 42, 0, 43, 0, 48, 0, 46, 27,
- 48, 0, 43, 17, 47, 0, 48, 0, 49, 0,
- 49, 28, 42, 29, 48, 0, 50, 0, 49, 13,
- 50, 0, 49, 14, 50, 0, 49, 15, 50, 0,
- 51, 0, 50, 20, 51, 0, 50, 23, 51, 0,
- 50, 30, 51, 0, 52, 0, 51, 11, 52, 0,
- 51, 12, 52, 0, 53, 0, 52, 9, 53, 0,
- 52, 10, 53, 0, 52, 31, 53, 0, 52, 32,
- 53, 0, 54, 0, 53, 7, 54, 0, 53, 8,
- 54, 0, 55, 0, 54, 19, 55, 0, 54, 18,
- 55, 0, 56, 0, 55, 21, 56, 0, 55, 22,
- 56, 0, 57, 0, 18, 56, 0, 33, 56, 0,
- 34, 56, 0, 6, 0, 3, 0, 4, 0, 5,
- 0, 43, 35, 42, 36, 0, 43, 35, 42, 27,
- 42, 36, 0, 43, 35, 42, 27, 42, 27, 42,
- 36, 0, 43, 35, 42, 27, 42, 27, 42, 27,
- 42, 36, 0, 43, 35, 42, 27, 42, 27, 42,
- 27, 42, 27, 42, 36, 0, 43, 35, 42, 27,
- 42, 27, 42, 27, 42, 27, 42, 27, 42, 36,
- 0, 35, 43, 36, 0, 35, 42, 36, 0
- };
-
- #endif
-
- #if YYDEBUG != 0
- static const short yyrline[] = { 0,
- 101, 102, 105, 106, 108, 109, 110, 111, 114, 117,
- 118, 125, 128, 145, 152, 159, 168, 177, 186, 195,
- 204, 212, 218, 219, 224, 226, 229, 230, 245, 246,
- 248, 250, 253, 254, 256, 258, 261, 263, 264, 267,
- 269, 271, 273, 275, 278, 279, 280, 282, 283, 300,
- 303, 306, 307, 324, 326, 328, 330, 334, 336, 339,
- 342, 361, 372, 382, 392, 402, 412, 422, 428
- };
- #endif
-
-
- #if YYDEBUG != 0 || defined (YYERROR_VERBOSE)
-
- static const char * const yytname[] = { "$","error","$undefined.","NUM","STRING",
- "IDSTRING","ERR","LSHIFT","RSHIFT","COMPLE","COMPGE","COMPEQ","COMPNE","COMPAND",
- "COMPOR","COMPXOR","PRINT","'='","'-'","'+'","'&'","'*'","'/'","'|'","NEG","';'",
- "'\\n'","','","'?'","':'","'^'","'>'","'<'","'!'","'~'","'('","')'","input",
- "eol","line","printstmt","printexprlist","expr","id","assignstmt","assignline",
- "comma","assign","cond","logcond","binlogcond","compeq","comp","shift","factor",
- "term","unary","atom", NULL
- };
- #endif
-
- static const short yyr1[] = { 0,
- 37, 37, 38, 38, 39, 39, 39, 39, 40, 41,
- 41, 42, 43, 44, 44, 45, 45, 45, 45, 45,
- 45, 45, 46, 46, 47, 47, 48, 48, 49, 49,
- 49, 49, 50, 50, 50, 50, 51, 51, 51, 52,
- 52, 52, 52, 52, 53, 53, 53, 54, 54, 54,
- 55, 55, 55, 56, 56, 56, 56, 57, 57, 57,
- 57, 57, 57, 57, 57, 57, 57, 57, 57
- };
-
- static const short yyr2[] = { 0,
- 0, 2, 1, 1, 0, 1, 1, 1, 2, 0,
- 2, 1, 1, 3, 1, 7, 6, 5, 4, 3,
- 2, 1, 1, 3, 3, 1, 1, 5, 1, 3,
- 3, 3, 1, 3, 3, 3, 1, 3, 3, 1,
- 3, 3, 3, 3, 1, 3, 3, 1, 3, 3,
- 1, 3, 3, 1, 2, 2, 2, 1, 1, 1,
- 1, 4, 6, 8, 10, 12, 14, 3, 3
- };
-
- static const short yydefact[] = { 1,
- 0, 13, 10, 3, 4, 8, 2, 7, 22, 6,
- 15, 9, 59, 60, 61, 58, 0, 0, 0, 0,
- 0, 21, 0, 12, 26, 27, 29, 33, 37, 40,
- 45, 48, 51, 54, 11, 0, 14, 23, 55, 56,
- 57, 0, 0, 20, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 69, 68, 19, 25,
- 0, 30, 31, 32, 0, 34, 35, 36, 38, 39,
- 41, 42, 43, 44, 46, 47, 50, 49, 52, 53,
- 24, 18, 0, 62, 0, 17, 0, 28, 16, 0,
- 63, 0, 0, 64, 0, 0, 65, 0, 0, 66,
- 0, 67, 0, 0
- };
-
- static const short yydefgoto[] = { 1,
- 6, 7, 8, 12, 22, 36, 10, 11, 37, 24,
- 25, 26, 27, 28, 29, 30, 31, 32, 33, 34
- };
-
- static const short yypact[] = {-32768,
- 31,-32768,-32768,-32768,-32768,-32768,-32768,-32768, 0,-32768,
- -32768, 83,-32768,-32768, -8,-32768, 83, 83, 83, 83,
- 83, 83, -16,-32768,-32768, 49, 46, 18, 29, 45,
- 53, 90,-32768,-32768,-32768, -28, -17,-32768,-32768,-32768,
- -32768, 6, 5, 83, 83, 83, 83, 83, 83, 83,
- 83, 83, 83, 83, 83, 83, 83, 83, 83, 83,
- 83, 83, 83, 83, 83, 83,-32768,-32768, 83,-32768,
- -12, 46, 46, 46, 26, 18, 18, 18, 29, 29,
- 45, 45, 45, 45, 53, 53, 90, 90,-32768,-32768,
- -32768, 83, 83,-32768, 83, 83, -4,-32768,-32768, 83,
- -32768, 10, 83,-32768, 38, 83,-32768, 43, 83,-32768,
- 42,-32768, 67,-32768
- };
-
- static const short yypgoto[] = {-32768,
- -32768,-32768,-32768,-32768, 4, -1,-32768,-32768,-32768, 30,
- -15,-32768, 72, 71, 39, 25, 54, 63, -6,-32768
- };
-
-
- #define YYLAST 126
-
-
- static const short yytable[] = { 9,
- 45, 38, 13, 14, 15, 16, 46, 23, -13, 66,
- 23, 39, 40, 41, 93, 35, 17, 18, 46, 43,
- 23, 45, 100, 94, 42, 44, -13, -13, 54, 55,
- 113, 101, 19, 20, 21, 2, 103, 56, 57, 46,
- 68, 67, 23, 23, 23, 104, 3, 69, 23, 71,
- 91, 60, 61, 75, 95, 4, 5, 89, 90, 58,
- 59, 47, 48, 49, 106, 51, 114, 23, 52, 109,
- 62, 63, 92, 107, 70, 53, 50, 112, 110, 98,
- 81, 82, 83, 84, 0, 13, 14, 15, 16, 0,
- 23, 23, 79, 80, 23, 96, 97, 0, 23, 99,
- 18, 23, 0, 102, 23, 0, 105, 23, 0, 108,
- 64, 65, 111, 85, 86, 19, 20, 21, 72, 73,
- 74, 76, 77, 78, 87, 88
- };
-
- static const short yycheck[] = { 1,
- 17, 17, 3, 4, 5, 6, 35, 9, 17, 27,
- 12, 18, 19, 20, 27, 12, 17, 18, 35, 21,
- 22, 17, 27, 36, 21, 22, 35, 36, 11, 12,
- 0, 36, 33, 34, 35, 5, 27, 9, 10, 35,
- 36, 36, 44, 45, 46, 36, 16, 44, 50, 46,
- 66, 7, 8, 50, 29, 25, 26, 64, 65, 31,
- 32, 13, 14, 15, 27, 20, 0, 69, 23, 27,
- 18, 19, 69, 36, 45, 30, 28, 36, 36, 95,
- 56, 57, 58, 59, -1, 3, 4, 5, 6, -1,
- 92, 93, 54, 55, 96, 92, 93, -1, 100, 96,
- 18, 103, -1, 100, 106, -1, 103, 109, -1, 106,
- 21, 22, 109, 60, 61, 33, 34, 35, 47, 48,
- 49, 51, 52, 53, 62, 63
- };
- /* -*-C-*- Note some compilers choke on comments on `#line' lines. */
- #line 3 "/usr/lib/bison.simple"
- /* This file comes from bison-1.28. */
-
- /* Skeleton output parser for bison,
- Copyright (C) 1984, 1989, 1990 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. */
-
- /* This is the parser code that is written into each bison parser
- when the %semantic_parser declaration is not specified in the grammar.
- It was written by Richard Stallman by simplifying the hairy parser
- used when %semantic_parser is specified. */
-
- #ifndef YYSTACK_USE_ALLOCA
- #ifdef alloca
- #define YYSTACK_USE_ALLOCA
- #else /* alloca not defined */
- #ifdef __GNUC__
- #define YYSTACK_USE_ALLOCA
- #define alloca __builtin_alloca
- #else /* not GNU C. */
- #if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi) || (defined (__sun) && defined (__i386))
- #define YYSTACK_USE_ALLOCA
- #include <alloca.h>
- #else /* not sparc */
- /* We think this test detects Watcom and Microsoft C. */
- /* This used to test MSDOS, but that is a bad idea
- since that symbol is in the user namespace. */
- #if (defined (_MSDOS) || defined (_MSDOS_)) && !defined (__TURBOC__)
- #if 0 /* No need for malloc.h, which pollutes the namespace;
- instead, just don't use alloca. */
- #include <malloc.h>
- #endif
- #else /* not MSDOS, or __TURBOC__ */
- #if defined(_AIX)
- /* I don't know what this was needed for, but it pollutes the namespace.
- So I turned it off. rms, 2 May 1997. */
- /* #include <malloc.h> */
- #pragma alloca
- #define YYSTACK_USE_ALLOCA
- #else /* not MSDOS, or __TURBOC__, or _AIX */
- #if 0
- #ifdef __hpux /* haible@ilog.fr says this works for HPUX 9.05 and up,
- and on HPUX 10. Eventually we can turn this on. */
- #define YYSTACK_USE_ALLOCA
- #define alloca __builtin_alloca
- #endif /* __hpux */
- #endif
- #endif /* not _AIX */
- #endif /* not MSDOS, or __TURBOC__ */
- #endif /* not sparc */
- #endif /* not GNU C */
- #endif /* alloca not defined */
- #endif /* YYSTACK_USE_ALLOCA not defined */
-
- #ifdef YYSTACK_USE_ALLOCA
- #define YYSTACK_ALLOC alloca
- #else
- #define YYSTACK_ALLOC malloc
- #endif
-
- /* Note: there must be only one dollar sign in this file.
- It is replaced by the list of actions, each action
- as one case of the switch. */
-
- #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
-
- #ifndef YYPURE
- #define YYLEX yylex()
- #endif
-
- #ifdef YYPURE
- #ifdef YYLSP_NEEDED
- #ifdef YYLEX_PARAM
- #define YYLEX yylex(&yylval, &yylloc, YYLEX_PARAM)
- #else
- #define YYLEX yylex(&yylval, &yylloc)
- #endif
- #else /* not YYLSP_NEEDED */
- #ifdef YYLEX_PARAM
- #define YYLEX yylex(&yylval, YYLEX_PARAM)
- #else
- #define YYLEX yylex(&yylval)
- #endif
- #endif /* not YYLSP_NEEDED */
- #endif
-
- /* If nonreentrant, generate the variables here */
-
- #ifndef YYPURE
-
- int yychar; /* the lookahead symbol */
- YYSTYPE yylval; /* the semantic value of the */
- /* lookahead symbol */
-
- #ifdef YYLSP_NEEDED
- YYLTYPE yylloc; /* location data for the lookahead */
- /* symbol */
- #endif
-
- int yynerrs; /* number of parse errors so far */
- #endif /* not YYPURE */
-
- #if YYDEBUG != 0
- int yydebug; /* nonzero means print parse trace */
- /* Since this is uninitialized, it does not stop multiple parsers
- from coexisting. */
- #endif
-
- /* YYINITDEPTH indicates the initial size of the parser's stacks */
-
- #ifndef YYINITDEPTH
- #define YYINITDEPTH 200
- #endif
-
- /* YYMAXDEPTH is the maximum size the stacks can grow to
- (effective only if the built-in stack extension method is used). */
-
- #if YYMAXDEPTH == 0
- #undef YYMAXDEPTH
- #endif
-
- #ifndef YYMAXDEPTH
- #define YYMAXDEPTH 10000
- #endif
-
- /* Define __yy_memcpy. Note that the size argument
- should be passed with type unsigned int, because that is what the non-GCC
- definitions require. With GCC, __builtin_memcpy takes an arg
- of type size_t, but it can handle unsigned int. */
-
- #if __GNUC__ > 1 /* GNU C and GNU C++ define this. */
- #define __yy_memcpy(TO,FROM,COUNT) __builtin_memcpy(TO,FROM,COUNT)
- #else /* not GNU C or C++ */
- #ifndef __cplusplus
-
- /* This is the most reliable way to avoid incompatibilities
- in available built-in functions on various systems. */
- static void
- __yy_memcpy (to, from, count)
- char *to;
- char *from;
- unsigned int count;
- {
- register char *f = from;
- register char *t = to;
- register int i = count;
-
- while (i-- > 0)
- *t++ = *f++;
- }
-
- #else /* __cplusplus */
-
- /* This is the most reliable way to avoid incompatibilities
- in available built-in functions on various systems. */
- static void
- __yy_memcpy (char *to, char *from, unsigned int count)
- {
- register char *t = to;
- register char *f = from;
- register int i = count;
-
- while (i-- > 0)
- *t++ = *f++;
- }
-
- #endif
- #endif
-
- #line 217 "/usr/lib/bison.simple"
-
- /* 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
- #ifdef __cplusplus
- #define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
- #define YYPARSE_PARAM_DECL
- #else /* not __cplusplus */
- #define YYPARSE_PARAM_ARG YYPARSE_PARAM
- #define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
- #endif /* not __cplusplus */
- #else /* not YYPARSE_PARAM */
- #define YYPARSE_PARAM_ARG
- #define YYPARSE_PARAM_DECL
- #endif /* not YYPARSE_PARAM */
-
- /* Prevent warning if -Wstrict-prototypes. */
- #ifdef __GNUC__
- #ifdef YYPARSE_PARAM
- int yyparse (void *);
- #else
- int yyparse (void);
- #endif
- #endif
-
- int
- yyparse(YYPARSE_PARAM_ARG)
- YYPARSE_PARAM_DECL
- {
- register int yystate;
- register int yyn;
- register short *yyssp;
- register YYSTYPE *yyvsp;
- int yyerrstatus; /* number of tokens to shift before error messages enabled */
- int yychar1 = 0; /* lookahead token as an internal (translated) token number */
-
- short yyssa[YYINITDEPTH]; /* the state stack */
- YYSTYPE yyvsa[YYINITDEPTH]; /* the semantic value stack */
-
- short *yyss = yyssa; /* refer to the stacks thru separate pointers */
- YYSTYPE *yyvs = yyvsa; /* to allow yyoverflow to reallocate them elsewhere */
-
- #ifdef YYLSP_NEEDED
- YYLTYPE yylsa[YYINITDEPTH]; /* the location stack */
- YYLTYPE *yyls = yylsa;
- YYLTYPE *yylsp;
-
- #define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
- #else
- #define YYPOPSTACK (yyvsp--, yyssp--)
- #endif
-
- int yystacksize = YYINITDEPTH;
- int yyfree_stacks = 0;
-
- #ifdef YYPURE
- int yychar;
- YYSTYPE yylval;
- int yynerrs;
- #ifdef YYLSP_NEEDED
- YYLTYPE yylloc;
- #endif
- #endif
-
- YYSTYPE yyval; /* the variable used to return */
- /* semantic values from the action */
- /* routines */
-
- int yylen;
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Starting parse\n");
- #endif
-
- 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 - 1;
- yyvsp = yyvs;
- #ifdef YYLSP_NEEDED
- yylsp = yyls;
- #endif
-
- /* Push a new state, which is found in yystate . */
- /* In all cases, when you get here, the value and location stacks
- have just been pushed. so pushing a state here evens the stacks. */
- yynewstate:
-
- *++yyssp = yystate;
-
- if (yyssp >= yyss + yystacksize - 1)
- {
- /* 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;
- #ifdef YYLSP_NEEDED
- YYLTYPE *yyls1 = yyls;
- #endif
-
- /* Get the current used size of the three stacks, in elements. */
- int size = yyssp - yyss + 1;
-
- #ifdef yyoverflow
- /* Each stack pointer address is followed by the size of
- the data in use in that stack, in bytes. */
- #ifdef YYLSP_NEEDED
- /* 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, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
- &yyls1, size * sizeof (*yylsp),
- &yystacksize);
- #else
- yyoverflow("parser stack overflow",
- &yyss1, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
- &yystacksize);
- #endif
-
- yyss = yyss1; yyvs = yyvs1;
- #ifdef YYLSP_NEEDED
- yyls = yyls1;
- #endif
- #else /* no yyoverflow */
- /* Extend the stack our own way. */
- if (yystacksize >= YYMAXDEPTH)
- {
- yyerror("parser stack overflow");
- if (yyfree_stacks)
- {
- free (yyss);
- free (yyvs);
- #ifdef YYLSP_NEEDED
- free (yyls);
- #endif
- }
- return 2;
- }
- yystacksize *= 2;
- if (yystacksize > YYMAXDEPTH)
- yystacksize = YYMAXDEPTH;
- #ifndef YYSTACK_USE_ALLOCA
- yyfree_stacks = 1;
- #endif
- yyss = (short *) YYSTACK_ALLOC (yystacksize * sizeof (*yyssp));
- __yy_memcpy ((char *)yyss, (char *)yyss1,
- size * (unsigned int) sizeof (*yyssp));
- yyvs = (YYSTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yyvsp));
- __yy_memcpy ((char *)yyvs, (char *)yyvs1,
- size * (unsigned int) sizeof (*yyvsp));
- #ifdef YYLSP_NEEDED
- yyls = (YYLTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yylsp));
- __yy_memcpy ((char *)yyls, (char *)yyls1,
- size * (unsigned int) sizeof (*yylsp));
- #endif
- #endif /* no yyoverflow */
-
- yyssp = yyss + size - 1;
- yyvsp = yyvs + size - 1;
- #ifdef YYLSP_NEEDED
- yylsp = yyls + size - 1;
- #endif
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Stack size increased to %d\n", yystacksize);
- #endif
-
- if (yyssp >= yyss + yystacksize - 1)
- YYABORT;
- }
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Entering state %d\n", yystate);
- #endif
-
- goto 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 == YYFLAG)
- 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)
- {
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Reading a token: ");
- #endif
- 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 */
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Now at end of input.\n");
- #endif
- }
- else
- {
- yychar1 = YYTRANSLATE(yychar);
-
- #if YYDEBUG != 0
- if (yydebug)
- {
- fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]);
- /* Give the individual parser a way to print the precise meaning
- of a token, for further debugging info. */
- #ifdef YYPRINT
- YYPRINT (stderr, yychar, yylval);
- #endif
- fprintf (stderr, ")\n");
- }
- #endif
- }
-
- yyn += yychar1;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
- goto yydefault;
-
- yyn = yytable[yyn];
-
- /* yyn is what to do for this token type in this state.
- Negative => reduce, -yyn is rule number.
- Positive => shift, yyn is new state.
- New state is final state => don't bother to shift,
- just return success.
- 0, or most negative number => error. */
-
- if (yyn < 0)
- {
- if (yyn == YYFLAG)
- goto yyerrlab;
- yyn = -yyn;
- goto yyreduce;
- }
- else if (yyn == 0)
- goto yyerrlab;
-
- if (yyn == YYFINAL)
- YYACCEPT;
-
- /* Shift the lookahead token. */
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
- #endif
-
- /* Discard the token being shifted unless it is eof. */
- if (yychar != YYEOF)
- yychar = YYEMPTY;
-
- *++yyvsp = yylval;
- #ifdef YYLSP_NEEDED
- *++yylsp = yylloc;
- #endif
-
- /* count tokens shifted since error; after three, turn off error status. */
- if (yyerrstatus) yyerrstatus--;
-
- yystate = yyn;
- goto yynewstate;
-
- /* Do the default action for the current state. */
- yydefault:
-
- yyn = yydefact[yystate];
- if (yyn == 0)
- goto yyerrlab;
-
- /* Do a reduction. yyn is the number of a rule to reduce with. */
- yyreduce:
- yylen = yyr2[yyn];
- if (yylen > 0)
- yyval = yyvsp[1-yylen]; /* implement default value of the action */
-
- #if YYDEBUG != 0
- if (yydebug)
- {
- int i;
-
- fprintf (stderr, "Reducing via rule %d (line %d), ",
- yyn, yyrline[yyn]);
-
- /* Print the symbols being reduced, and their result. */
- for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)
- fprintf (stderr, "%s ", yytname[yyrhs[i]]);
- fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
- }
- #endif
-
-
- switch (yyn) {
-
- case 9:
- #line 114 "command.y"
- { logger(_L|LOG_USER, "\n"); ;
- break;}
- case 11:
- #line 118 "command.y"
- { if (yyvsp[0].expr.type == ca_NUM) logger(_L|LOG_USER, "%d", yyvsp[0].expr.u.num);
- else if (yyvsp[0].expr.type == ca_STRING) {
- logger(_L|LOG_USER, "%s", yyvsp[0].expr.u.str); xfree(yyvsp[0].expr.u.str); }
- ;
- break;}
- case 12:
- #line 125 "command.y"
- { yyval.expr=yyvsp[0].expr; ;
- break;}
- case 13:
- #line 128 "command.y"
- {
- char *str = yyvsp[0].expr.u.str;
- if (command_match_symbol(command_scope, str, &yyval.expr.u.sym))
- {
- yyval.expr.type = ca_SYM;
- // logger(_L | LOG_USER, "got an ID (%s)\n", str);
- }
- else
- {
- logger(_L |LOG_USER|LOG_ERROR, "unknown identifier '%s'\n",
- str);
- yyval.expr.type = ca_SYM;
- yyval.expr.u.sym = NULL;
- }
- ;
- break;}
- case 14:
- #line 145 "command.y"
- { ASSIGNSTMT(yyvsp[-2].expr, yyvsp[0].expr); ;
- break;}
- case 15:
- #line 152 "command.y"
- { yyvsp[0].expr.type = ca_VOID; ;
- break;}
- case 16:
- #line 159 "command.y"
- {
- if (yyvsp[-6].expr.u.sym == NULL) {
- yyval.expr.type = ca_VOID; // error case
- } else if (!command_set_args(&yyval.expr, yyvsp[-6].expr.u.sym,
- &yyvsp[-5].expr, &yyvsp[-4].expr, &yyvsp[-3].expr, &yyvsp[-2].expr, &yyvsp[-1].expr, &yyvsp[0].expr, NULL)) {
- yyval.expr.type = ca_VOID; // error case
- }
- ;
- break;}
- case 17:
- #line 168 "command.y"
- {
- if (yyvsp[-5].expr.u.sym == NULL) {
- yyval.expr.type = ca_VOID; // error case
- } else if (!command_set_args(&yyval.expr, yyvsp[-5].expr.u.sym,
- &yyvsp[-4].expr, &yyvsp[-3].expr, &yyvsp[-2].expr, &yyvsp[-1].expr, &yyvsp[0].expr, NULL)) {
- yyval.expr.type = ca_VOID; // error case
- }
- ;
- break;}
- case 18:
- #line 177 "command.y"
- {
- if (yyvsp[-4].expr.u.sym == NULL) {
- yyval.expr.type = ca_VOID; // error case
- } else if (!command_set_args(&yyval.expr, yyvsp[-4].expr.u.sym,
- &yyvsp[-3].expr, &yyvsp[-2].expr, &yyvsp[-1].expr, &yyvsp[0].expr, NULL)) {
- yyval.expr.type = ca_VOID; // error case
- }
- ;
- break;}
- case 19:
- #line 186 "command.y"
- {
- if (yyvsp[-3].expr.u.sym == NULL) {
- yyval.expr.type = ca_VOID; // error case
- } else if (!command_set_args(&yyval.expr, yyvsp[-3].expr.u.sym,
- &yyvsp[-2].expr, &yyvsp[-1].expr, &yyvsp[0].expr, NULL)) {
- yyval.expr.type = ca_VOID; // error case
- }
- ;
- break;}
- case 20:
- #line 195 "command.y"
- {
- if (yyvsp[-2].expr.u.sym == NULL) {
- yyval.expr.type = ca_VOID; // error case
- } else if (!command_set_args(&yyval.expr, yyvsp[-2].expr.u.sym,
- &yyvsp[-1].expr, &yyvsp[0].expr, NULL)) {
- yyval.expr.type = ca_VOID; // error case
- }
- ;
- break;}
- case 21:
- #line 204 "command.y"
- {
- if (yyvsp[-1].expr.u.sym == NULL) {
- yyval.expr.type = ca_VOID; // error case
- } else if (!command_set_args(&yyval.expr, yyvsp[-1].expr.u.sym,
- &yyvsp[0].expr, NULL)) {
- yyval.expr.type = ca_VOID; // error case
- }
- ;
- break;}
- case 22:
- #line 212 "command.y"
- {
- if (yyvsp[0].expr.u.sym != NULL)
- command_set_args(NULL, yyvsp[0].expr.u.sym, NULL);
- ;
- break;}
- case 23:
- #line 218 "command.y"
- { yyval.expr = yyvsp[0].expr; ;
- break;}
- case 24:
- #line 219 "command.y"
- { NUMBINOP(yyval.expr,,yyvsp[-2].expr,",",|,,yyvsp[0].expr);
- ;
- break;}
- case 25:
- #line 225 "command.y"
- { ASSIGN(yyval.expr, yyvsp[-2].expr, yyvsp[0].expr); ;
- break;}
- case 26:
- #line 226 "command.y"
- { yyval.expr = yyvsp[0].expr; ;
- break;}
- case 27:
- #line 229 "command.y"
- { yyval.expr = yyvsp[0].expr; ;
- break;}
- case 28:
- #line 230 "command.y"
- {
- if (yyvsp[-4].expr.type == ca_NUM && yyvsp[-4].expr.u.num)
- yyval.expr = yyvsp[-2].expr;
- else if (yyvsp[-4].expr.type == ca_NUM && !yyvsp[-4].expr.u.num)
- yyval.expr = yyvsp[0].expr;
- else if (yyvsp[-4].expr.type == ca_STRING && *yyvsp[-4].expr.u.str)
- yyval.expr = yyvsp[-2].expr;
- else if (yyvsp[-4].expr.type == ca_STRING && !*yyvsp[-4].expr.u.str)
- yyval.expr = yyvsp[0].expr;
- else
- parse_error("invalid arguments to '?:'");
-
- ;
- break;}
- case 29:
- #line 245 "command.y"
- { yyval.expr = yyvsp[0].expr; ;
- break;}
- case 30:
- #line 246 "command.y"
- { NUMBINOP(yyval.expr,,yyvsp[-2].expr,"&&",&&,,yyvsp[0].expr); ;
- break;}
- case 31:
- #line 248 "command.y"
- { NUMBINOP(yyval.expr,,yyvsp[-2].expr,"||",||,,yyvsp[0].expr); ;
- break;}
- case 32:
- #line 250 "command.y"
- { NUMBINOP(yyval.expr,!!, yyvsp[-2].expr, "^^", !=, !!,yyvsp[0].expr); ;
- break;}
- case 33:
- #line 253 "command.y"
- { yyval.expr = yyvsp[0].expr; ;
- break;}
- case 34:
- #line 254 "command.y"
- { NUMBINOP(yyval.expr,,yyvsp[-2].expr, "&", &,,yyvsp[0].expr); ;
- break;}
- case 35:
- #line 256 "command.y"
- { NUMBINOP(yyval.expr,,yyvsp[-2].expr, "|", |,,yyvsp[0].expr); ;
- break;}
- case 36:
- #line 258 "command.y"
- { NUMBINOP(yyval.expr,,yyvsp[-2].expr, "^", ^,,yyvsp[0].expr); ;
- break;}
- case 37:
- #line 261 "command.y"
- { yyval.expr = yyvsp[0].expr; ;
- break;}
- case 38:
- #line 263 "command.y"
- { NUMBINOP(yyval.expr,,yyvsp[-2].expr,"==",==,,yyvsp[0].expr); ;
- break;}
- case 39:
- #line 264 "command.y"
- { NUMBINOP(yyval.expr,,yyvsp[-2].expr,"!=",!=,,yyvsp[0].expr); ;
- break;}
- case 40:
- #line 267 "command.y"
- { yyval.expr = yyvsp[0].expr; ;
- break;}
- case 41:
- #line 269 "command.y"
- { NUMBINOP(yyval.expr,,yyvsp[-2].expr,"<=",<=,,yyvsp[0].expr); ;
- break;}
- case 42:
- #line 271 "command.y"
- { NUMBINOP(yyval.expr,,yyvsp[-2].expr,">=",>=,,yyvsp[0].expr); ;
- break;}
- case 43:
- #line 273 "command.y"
- { NUMBINOP(yyval.expr,,yyvsp[-2].expr,">",>,,yyvsp[0].expr); ;
- break;}
- case 44:
- #line 275 "command.y"
- { NUMBINOP(yyval.expr,,yyvsp[-2].expr,"<",<,,yyvsp[0].expr); ;
- break;}
- case 45:
- #line 278 "command.y"
- { yyval.expr = yyvsp[0].expr; ;
- break;}
- case 46:
- #line 279 "command.y"
- { NUMBINOP(yyval.expr,,yyvsp[-2].expr,"<<",<<,,yyvsp[0].expr); ;
- break;}
- case 47:
- #line 280 "command.y"
- { NUMBINOP(yyval.expr,,yyvsp[-2].expr,">>",>>,,yyvsp[0].expr); ;
- break;}
- case 48:
- #line 282 "command.y"
- { yyval.expr = yyvsp[0].expr; ;
- break;}
- case 49:
- #line 283 "command.y"
- {
- if (yyvsp[-2].expr.type == ca_NUM && yyvsp[0].expr.type == ca_NUM) {
- yyval.expr.type = ca_NUM;
- yyval.expr.u.num = yyvsp[-2].expr.u.num + yyvsp[0].expr.u.num;
- } else if (yyvsp[-2].expr.type == ca_STRING &&
- yyvsp[0].expr.type == ca_STRING) {
- yyval.expr.type = ca_STRING;
- yyval.expr.u.str = (char *)xrealloc(yyvsp[-2].expr.u.str,
- strlen(yyvsp[-2].expr.u.str) + strlen(yyvsp[0].expr.u.str) + 1);
- strcat(yyval.expr.u.str, yyvsp[0].expr.u.str);
- free(yyvsp[0].expr.u.str);
- } else {
- yyval.expr.type = ca_VOID;
- parse_error("type mismatch in '+'");
- }
- ;
- break;}
- case 50:
- #line 300 "command.y"
- { NUMBINOP(yyval.expr,,yyvsp[-2].expr,"-",-,,yyvsp[0].expr); ;
- break;}
- case 51:
- #line 303 "command.y"
- {
- yyval.expr = yyvsp[0].expr;
- ;
- break;}
- case 52:
- #line 306 "command.y"
- { NUMBINOP(yyval.expr,,yyvsp[-2].expr,"*",*,,yyvsp[0].expr); ;
- break;}
- case 53:
- #line 307 "command.y"
- {
- if (yyvsp[-2].expr.type == ca_NUM && yyvsp[0].expr.type == ca_NUM) {
- yyval.expr.type = ca_NUM;
- if (yyvsp[0].expr.u.num <= yyval.expr.u.num / 65536) {
- parse_error("divide overflow in '/'");
- yyval.expr.u.num = 0;
- } else {
- yyval.expr.u.num /= yyvsp[0].expr.u.num;
- }
- } else {
- yyval.expr.type = ca_VOID;
- parse_error("expected numeric arguments for '/'");
- }
- ;
- break;}
- case 54:
- #line 324 "command.y"
- { yyval.expr = yyvsp[0].expr; ;
- break;}
- case 55:
- #line 326 "command.y"
- { NUMUNOP(yyval.expr,"unary minus",-,,yyvsp[0].expr); ;
- break;}
- case 56:
- #line 328 "command.y"
- { NUMUNOP(yyval.expr,"!",!,,yyvsp[0].expr); ;
- break;}
- case 57:
- #line 330 "command.y"
- { NUMUNOP(yyval.expr,"~",~,,yyvsp[0].expr); ;
- break;}
- case 58:
- #line 334 "command.y"
- { printf("!!! error !!!\n");
- yyerrok; ;
- break;}
- case 59:
- #line 336 "command.y"
- { //printf("!!! num (%d)\n",$1.u.num);
- yyval.expr.type = ca_NUM; yyval.expr.u.num = yyvsp[0].expr.u.num; ;
- break;}
- case 60:
- #line 339 "command.y"
- { //printf("ID\n");
- yyval.expr.type = ca_STRING; yyval.expr.u.str = yyvsp[0].expr.u.str;
- ;
- break;}
- case 61:
- #line 342 "command.y"
- {
- yyval.expr = yyvsp[0].expr;
- ;
- break;}
- case 62:
- #line 361 "command.y"
- {
- if (yyvsp[-3].expr.u.sym == NULL) {
- yyval.expr.type = ca_VOID; // error case
- } else if (!command_set_args(&yyval.expr, yyvsp[-3].expr.u.sym,
- &yyvsp[-1].expr, NULL)) {
- yyval.expr.type = ca_VOID; // error case
- }
- ;
- break;}
- case 63:
- #line 372 "command.y"
- {
- if (yyvsp[-5].expr.u.sym == NULL) {
- yyval.expr.type = ca_VOID; // error case
- } else if (!command_set_args(&yyval.expr, yyvsp[-5].expr.u.sym,
- &yyvsp[-3].expr, &yyvsp[-1].expr, NULL)) {
- yyval.expr.type = ca_VOID; // error case
- }
- ;
- break;}
- case 64:
- #line 382 "command.y"
- {
- if (yyvsp[-7].expr.u.sym == NULL) {
- yyval.expr.type = ca_VOID; // error case
- } else if (!command_set_args(&yyval.expr, yyvsp[-7].expr.u.sym,
- &yyvsp[-5].expr, &yyvsp[-3].expr, &yyvsp[-1].expr, NULL)) {
- yyval.expr.type = ca_VOID; // error case
- }
- ;
- break;}
- case 65:
- #line 392 "command.y"
- {
- if (yyvsp[-9].expr.u.sym == NULL) {
- yyval.expr.type = ca_VOID; // error case
- } else if (!command_set_args(&yyval.expr, yyvsp[-9].expr.u.sym,
- &yyvsp[-7].expr, &yyvsp[-5].expr, &yyvsp[-3].expr, &yyvsp[-1].expr, NULL)) {
- yyval.expr.type = ca_VOID; // error case
- }
- ;
- break;}
- case 66:
- #line 402 "command.y"
- {
- if (yyvsp[-11].expr.u.sym == NULL) {
- yyval.expr.type = ca_VOID; // error case
- } else if (!command_set_args(&yyval.expr, yyvsp[-11].expr.u.sym,
- &yyvsp[-9].expr, &yyvsp[-7].expr, &yyvsp[-5].expr, &yyvsp[-3].expr, &yyvsp[-1].expr, NULL)) {
- yyval.expr.type = ca_VOID; // error case
- }
- ;
- break;}
- case 67:
- #line 412 "command.y"
- {
- if (yyvsp[-13].expr.u.sym == NULL) {
- yyval.expr.type = ca_VOID; // error case
- } else if (!command_set_args(&yyval.expr, yyvsp[-13].expr.u.sym,
- &yyvsp[-11].expr, &yyvsp[-9].expr, &yyvsp[-7].expr, &yyvsp[-5].expr, &yyvsp[-3].expr, &yyvsp[-1].expr, NULL)) {
- yyval.expr.type = ca_VOID; // error case
- }
- ;
- break;}
- case 68:
- #line 422 "command.y"
- {
- if (!yyvsp[-1].expr.u.sym || !command_get_val(yyvsp[-1].expr.u.sym, &yyval.expr)) {
- yyval.expr.type = ca_VOID; // error case
- }
- ;
- break;}
- case 69:
- #line 428 "command.y"
- {
- yyval.expr = yyvsp[-1].expr;
- ;
- break;}
- }
- /* the action file gets copied in in place of this dollarsign */
- #line 543 "/usr/lib/bison.simple"
-
- yyvsp -= yylen;
- yyssp -= yylen;
- #ifdef YYLSP_NEEDED
- yylsp -= yylen;
- #endif
-
- #if YYDEBUG != 0
- if (yydebug)
- {
- short *ssp1 = yyss - 1;
- fprintf (stderr, "state stack now");
- while (ssp1 != yyssp)
- fprintf (stderr, " %d", *++ssp1);
- fprintf (stderr, "\n");
- }
- #endif
-
- *++yyvsp = yyval;
-
- #ifdef YYLSP_NEEDED
- yylsp++;
- if (yylen == 0)
- {
- yylsp->first_line = yylloc.first_line;
- yylsp->first_column = yylloc.first_column;
- yylsp->last_line = (yylsp-1)->last_line;
- yylsp->last_column = (yylsp-1)->last_column;
- yylsp->text = 0;
- }
- else
- {
- yylsp->last_line = (yylsp+yylen-1)->last_line;
- yylsp->last_column = (yylsp+yylen-1)->last_column;
- }
- #endif
-
- /* 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 - YYNTBASE] + *yyssp;
- if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
- yystate = yytable[yystate];
- else
- yystate = yydefgoto[yyn - YYNTBASE];
-
- goto yynewstate;
-
- yyerrlab: /* here on detecting error */
-
- if (! yyerrstatus)
- /* If not already recovering from an error, report this error. */
- {
- ++yynerrs;
-
- #ifdef YYERROR_VERBOSE
- yyn = yypact[yystate];
-
- if (yyn > YYFLAG && yyn < YYLAST)
- {
- int size = 0;
- char *msg;
- int x, count;
-
- count = 0;
- /* Start X at -yyn if nec to avoid negative indexes in yycheck. */
- for (x = (yyn < 0 ? -yyn : 0);
- x < (sizeof(yytname) / sizeof(char *)); x++)
- if (yycheck[x + yyn] == x)
- size += strlen(yytname[x]) + 15, count++;
- msg = (char *) malloc(size + 15);
- if (msg != 0)
- {
- strcpy(msg, "parse error");
-
- if (count < 5)
- {
- count = 0;
- for (x = (yyn < 0 ? -yyn : 0);
- x < (sizeof(yytname) / sizeof(char *)); x++)
- if (yycheck[x + yyn] == x)
- {
- strcat(msg, count == 0 ? ", expecting `" : " or `");
- strcat(msg, yytname[x]);
- strcat(msg, "'");
- count++;
- }
- }
- yyerror(msg);
- free(msg);
- }
- else
- yyerror ("parse error; also virtual memory exceeded");
- }
- else
- #endif /* YYERROR_VERBOSE */
- yyerror("parse error");
- }
-
- goto yyerrlab1;
- yyerrlab1: /* here on error raised explicitly by an action */
-
- 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)
- YYABORT;
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
- #endif
-
- yychar = YYEMPTY;
- }
-
- /* Else will try to reuse lookahead token
- after shifting the error token. */
-
- yyerrstatus = 3; /* Each real token shifted decrements this */
-
- goto yyerrhandle;
-
- yyerrdefault: /* current state does not do anything special for the error token. */
-
- #if 0
- /* This is wrong; only states that explicitly want error tokens
- should shift them. */
- yyn = yydefact[yystate]; /* If its default is to accept any token, ok. Otherwise pop it.*/
- if (yyn) goto yydefault;
- #endif
-
- yyerrpop: /* pop the current state because it cannot handle the error token */
-
- if (yyssp == yyss) YYABORT;
- yyvsp--;
- yystate = *--yyssp;
- #ifdef YYLSP_NEEDED
- yylsp--;
- #endif
-
- #if YYDEBUG != 0
- if (yydebug)
- {
- short *ssp1 = yyss - 1;
- fprintf (stderr, "Error: state stack now");
- while (ssp1 != yyssp)
- fprintf (stderr, " %d", *++ssp1);
- fprintf (stderr, "\n");
- }
- #endif
-
- yyerrhandle:
-
- yyn = yypact[yystate];
- if (yyn == YYFLAG)
- goto yyerrdefault;
-
- yyn += YYTERROR;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
- goto yyerrdefault;
-
- yyn = yytable[yyn];
- if (yyn < 0)
- {
- if (yyn == YYFLAG)
- goto yyerrpop;
- yyn = -yyn;
- goto yyreduce;
- }
- else if (yyn == 0)
- goto yyerrpop;
-
- if (yyn == YYFINAL)
- YYACCEPT;
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Shifting error token, ");
- #endif
-
- *++yyvsp = yylval;
- #ifdef YYLSP_NEEDED
- *++yylsp = yylloc;
- #endif
-
- yystate = yyn;
- goto yynewstate;
-
- yyacceptlab:
- /* YYACCEPT comes here. */
- if (yyfree_stacks)
- {
- free (yyss);
- free (yyvs);
- #ifdef YYLSP_NEEDED
- free (yyls);
- #endif
- }
- return 0;
-
- yyabortlab:
- /* YYABORT comes here. */
- if (yyfree_stacks)
- {
- free (yyss);
- free (yyvs);
- #ifdef YYLSP_NEEDED
- free (yyls);
- #endif
- }
- return 1;
- }
- #line 435 "command.y"
-
-
- void parse_error(const char *format, ...)
- {
- va_list va;
- static char buf[256], *bptr;
- va_start(va, format);
- bptr = mvprintf(buf, sizeof(buf), format, va);
- lexer_error("%s", bptr);
- }
-
- int yyerror(char *s)
- {
- parse_error("%s\n",s);
- return 0;
- }
-
- int command_parse(command_symbol_table *universe)
- {
- command_scope = universe;
- // ignore errors
- while (yyparse());
- return 1;
- }
-
-