/* 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 #include #include #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 #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 #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 #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 */ #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; }