1529 lines
49 KiB
C
1529 lines
49 KiB
C
/* original parser id follows */
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/* yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93" */
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/* (use YYMAJOR/YYMINOR for ifdefs dependent on parser version) */
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#define YYBYACC 1
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#define YYMAJOR 2
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#define YYMINOR 0
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#define YYEMPTY (-1)
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#define yyclearin (yychar = YYEMPTY)
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#define yyerrok (yyerrflag = 0)
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#define YYRECOVERING() (yyerrflag != 0)
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#define YYENOMEM (-2)
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#define YYEOF 0
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#undef YYBTYACC
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#define YYBTYACC 0
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#define YYDEBUGSTR YYPREFIX "debug"
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#define YYPREFIX "yy"
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#define YYPURE 0
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#line 2 "code/tools/lcc/lburg/gram.y"
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#include <stdio.h>
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#include "lburg.h"
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static char rcsid[] = "$Id: gram.y 145 2001-10-17 21:53:10Z timo $";
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/*lint -e616 -e527 -e652 -esym(552,yynerrs) -esym(563,yynewstate,yyerrlab) */
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static int yylineno = 0;
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#ifdef YYSTYPE
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#undef YYSTYPE_IS_DECLARED
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#define YYSTYPE_IS_DECLARED 1
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#endif
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#ifndef YYSTYPE_IS_DECLARED
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#define YYSTYPE_IS_DECLARED 1
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#line 8 "code/tools/lcc/lburg/gram.y"
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typedef union {
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int n;
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char *string;
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Tree tree;
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} YYSTYPE;
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#endif /* !YYSTYPE_IS_DECLARED */
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#line 42 "y.tab.c"
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/* compatibility with bison */
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#ifdef YYPARSE_PARAM
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/* compatibility with FreeBSD */
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# ifdef YYPARSE_PARAM_TYPE
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# define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
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# else
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# define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
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# endif
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#else
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# define YYPARSE_DECL() yyparse(void)
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#endif
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/* Parameters sent to lex. */
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#ifdef YYLEX_PARAM
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# define YYLEX_DECL() yylex(void *YYLEX_PARAM)
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# define YYLEX yylex(YYLEX_PARAM)
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#else
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# define YYLEX_DECL() yylex(void)
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# define YYLEX yylex()
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#endif
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#if !(defined(yylex) || defined(YYSTATE))
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int YYLEX_DECL();
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#endif
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/* Parameters sent to yyerror. */
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#ifndef YYERROR_DECL
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#define YYERROR_DECL() yyerror(const char *s)
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#endif
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#ifndef YYERROR_CALL
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#define YYERROR_CALL(msg) yyerror(msg)
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#endif
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extern int YYPARSE_DECL();
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#define TERMINAL 257
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#define START 258
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#define PPERCENT 259
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#define ID 260
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#define TEMPLATE 261
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#define CODE 262
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#define INT 263
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#define YYERRCODE 256
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typedef int YYINT;
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static const YYINT yylhs[] = { -1,
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0, 0, 4, 4, 6, 6, 6, 6, 7, 7,
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5, 5, 5, 5, 1, 3, 3, 3, 2,
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};
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static const YYINT yylen[] = { 2,
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3, 1, 0, 2, 3, 3, 1, 2, 0, 4,
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0, 7, 2, 3, 1, 1, 4, 6, 1,
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};
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static const YYINT yydefred[] = { 3,
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0, 0, 0, 9, 0, 11, 7, 4, 8, 0,
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15, 0, 0, 0, 5, 6, 0, 13, 0, 0,
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14, 0, 10, 0, 0, 0, 0, 0, 19, 0,
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17, 0, 12, 0, 18,
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};
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#if defined(YYDESTRUCT_CALL) || defined(YYSTYPE_TOSTRING)
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static const YYINT yystos[] = { 0,
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265, 269, 256, 257, 258, 259, 10, 271, 10, 272,
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260, 266, 270, 260, 10, 10, 256, 10, 266, 61,
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10, 58, 263, 260, 268, 40, 261, 268, 262, 267,
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41, 44, 10, 268, 41,
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};
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#endif /* YYDESTRUCT_CALL || YYSTYPE_TOSTRING */
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static const YYINT yydgoto[] = { 1,
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12, 30, 25, 2, 13, 8, 10,
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};
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static const YYINT yysindex[] = { 0,
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0, -4, -2, 0, -250, 0, 0, 0, 0, -9,
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0, 1, -10, -49, 0, 0, 3, 0, -44, -248,
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0, -244, 0, -22, -242, -244, -245, -37, 0, 10,
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0, -244, 0, -20, 0,
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};
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static const YYINT yyrindex[] = { 0,
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0, 22, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 23, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, -39, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0,
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};
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#if YYBTYACC
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static const YYINT yycindex[] = { 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0,
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};
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#endif
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static const YYINT yygindex[] = { 0,
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11, 0, -23, 0, 0, 0, 0,
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};
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#define YYTABLESIZE 255
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static const YYINT yytable[] = { 18,
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15, 16, 28, 31, 16, 7, 32, 9, 34, 11,
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16, 20, 21, 22, 23, 24, 29, 26, 27, 33,
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35, 2, 1, 19, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 16, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 17, 0, 0, 0, 11,
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14, 3, 4, 5, 6,
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};
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static const YYINT yycheck[] = { 10,
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10, 41, 26, 41, 44, 10, 44, 10, 32, 260,
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10, 61, 10, 58, 263, 260, 262, 40, 261, 10,
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41, 0, 0, 13, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, 261, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, 256, -1, -1, -1, 260,
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260, 256, 257, 258, 259,
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};
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#if YYBTYACC
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static const YYINT yyctable[] = { -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1,
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};
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#endif
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#define YYFINAL 1
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#ifndef YYDEBUG
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#define YYDEBUG 0
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#endif
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#define YYMAXTOKEN 263
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#define YYUNDFTOKEN 273
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#define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
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#if YYDEBUG
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static const char *const yyname[] = {
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"$end",0,0,0,0,0,0,0,0,0,"'\\n'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,"'('","')'",0,0,"','",0,0,0,0,0,0,0,0,0,0,0,0,0,"':'",0,0,"'='",0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"error",
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"TERMINAL","START","PPERCENT","ID","TEMPLATE","CODE","INT","$accept","spec",
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"nonterm","cost","tree","decls","rules","decl","blist","illegal-symbol",
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};
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static const char *const yyrule[] = {
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"$accept : spec",
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"spec : decls PPERCENT rules",
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"spec : decls",
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"decls :",
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"decls : decls decl",
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"decl : TERMINAL blist '\\n'",
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"decl : START nonterm '\\n'",
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"decl : '\\n'",
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"decl : error '\\n'",
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"blist :",
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"blist : blist ID '=' INT",
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"rules :",
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"rules : rules nonterm ':' tree TEMPLATE cost '\\n'",
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"rules : rules '\\n'",
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"rules : rules error '\\n'",
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"nonterm : ID",
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"tree : ID",
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"tree : ID '(' tree ')'",
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"tree : ID '(' tree ',' tree ')'",
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"cost : CODE",
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};
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#endif
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#if YYDEBUG
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int yydebug;
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#endif
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int yyerrflag;
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int yychar;
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YYSTYPE yyval;
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YYSTYPE yylval;
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int yynerrs;
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#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
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YYLTYPE yyloc; /* position returned by actions */
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YYLTYPE yylloc; /* position from the lexer */
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|
#endif
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#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
#ifndef YYLLOC_DEFAULT
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|
#define YYLLOC_DEFAULT(loc, rhs, n) \
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|
do \
|
|
{ \
|
|
if (n == 0) \
|
|
{ \
|
|
(loc).first_line = YYRHSLOC(rhs, 0).last_line; \
|
|
(loc).first_column = YYRHSLOC(rhs, 0).last_column; \
|
|
(loc).last_line = YYRHSLOC(rhs, 0).last_line; \
|
|
(loc).last_column = YYRHSLOC(rhs, 0).last_column; \
|
|
} \
|
|
else \
|
|
{ \
|
|
(loc).first_line = YYRHSLOC(rhs, 1).first_line; \
|
|
(loc).first_column = YYRHSLOC(rhs, 1).first_column; \
|
|
(loc).last_line = YYRHSLOC(rhs, n).last_line; \
|
|
(loc).last_column = YYRHSLOC(rhs, n).last_column; \
|
|
} \
|
|
} while (0)
|
|
#endif /* YYLLOC_DEFAULT */
|
|
#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
|
|
#if YYBTYACC
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|
|
|
#ifndef YYLVQUEUEGROWTH
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|
#define YYLVQUEUEGROWTH 32
|
|
#endif
|
|
#endif /* YYBTYACC */
|
|
|
|
/* define the initial stack-sizes */
|
|
#ifdef YYSTACKSIZE
|
|
#undef YYMAXDEPTH
|
|
#define YYMAXDEPTH YYSTACKSIZE
|
|
#else
|
|
#ifdef YYMAXDEPTH
|
|
#define YYSTACKSIZE YYMAXDEPTH
|
|
#else
|
|
#define YYSTACKSIZE 10000
|
|
#define YYMAXDEPTH 10000
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef YYINITSTACKSIZE
|
|
#define YYINITSTACKSIZE 200
|
|
#endif
|
|
|
|
typedef struct {
|
|
unsigned stacksize;
|
|
YYINT *s_base;
|
|
YYINT *s_mark;
|
|
YYINT *s_last;
|
|
YYSTYPE *l_base;
|
|
YYSTYPE *l_mark;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
YYLTYPE *p_base;
|
|
YYLTYPE *p_mark;
|
|
#endif
|
|
} YYSTACKDATA;
|
|
#if YYBTYACC
|
|
|
|
struct YYParseState_s
|
|
{
|
|
struct YYParseState_s *save; /* Previously saved parser state */
|
|
YYSTACKDATA yystack; /* saved parser stack */
|
|
int state; /* saved parser state */
|
|
int errflag; /* saved error recovery status */
|
|
int lexeme; /* saved index of the conflict lexeme in the lexical queue */
|
|
YYINT ctry; /* saved index in yyctable[] for this conflict */
|
|
};
|
|
typedef struct YYParseState_s YYParseState;
|
|
#endif /* YYBTYACC */
|
|
/* variables for the parser stack */
|
|
static YYSTACKDATA yystack;
|
|
#if YYBTYACC
|
|
|
|
/* Current parser state */
|
|
static YYParseState *yyps = 0;
|
|
|
|
/* yypath != NULL: do the full parse, starting at *yypath parser state. */
|
|
static YYParseState *yypath = 0;
|
|
|
|
/* Base of the lexical value queue */
|
|
static YYSTYPE *yylvals = 0;
|
|
|
|
/* Current position at lexical value queue */
|
|
static YYSTYPE *yylvp = 0;
|
|
|
|
/* End position of lexical value queue */
|
|
static YYSTYPE *yylve = 0;
|
|
|
|
/* The last allocated position at the lexical value queue */
|
|
static YYSTYPE *yylvlim = 0;
|
|
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
/* Base of the lexical position queue */
|
|
static YYLTYPE *yylpsns = 0;
|
|
|
|
/* Current position at lexical position queue */
|
|
static YYLTYPE *yylpp = 0;
|
|
|
|
/* End position of lexical position queue */
|
|
static YYLTYPE *yylpe = 0;
|
|
|
|
/* The last allocated position at the lexical position queue */
|
|
static YYLTYPE *yylplim = 0;
|
|
#endif
|
|
|
|
/* Current position at lexical token queue */
|
|
static YYINT *yylexp = 0;
|
|
|
|
static YYINT *yylexemes = 0;
|
|
#endif /* YYBTYACC */
|
|
#line 60 "code/tools/lcc/lburg/gram.y"
|
|
#include <assert.h>
|
|
#include <stdarg.h>
|
|
#include <ctype.h>
|
|
#include <string.h>
|
|
#include <limits.h>
|
|
|
|
int errcnt = 0;
|
|
FILE *infp = NULL;
|
|
FILE *outfp = NULL;
|
|
static char buf[BUFSIZ], *bp = buf;
|
|
static int ppercent = 0;
|
|
static int code = 0;
|
|
|
|
static void crlf_to_lf(char *buf, int bufmax) {
|
|
int i, count;
|
|
|
|
count = 0;
|
|
|
|
for (i = 0; i < bufmax; i++) {
|
|
if (buf[i] == '\r' && buf[i+1] == '\n') {
|
|
// skip '\r'
|
|
continue;
|
|
}
|
|
|
|
buf[count++] = buf[i];
|
|
|
|
if (buf[i] == '\0') {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int get(void) {
|
|
if (*bp == 0) {
|
|
bp = buf;
|
|
*bp = 0;
|
|
if (fgets(buf, sizeof buf, infp) == NULL)
|
|
return EOF;
|
|
crlf_to_lf(buf, sizeof buf);
|
|
yylineno++;
|
|
while (buf[0] == '%' && buf[1] == '{' && buf[2] == '\n') {
|
|
for (;;) {
|
|
if (fgets(buf, sizeof buf, infp) == NULL) {
|
|
yywarn("unterminated %{...%}\n");
|
|
return EOF;
|
|
}
|
|
crlf_to_lf(buf, sizeof buf);
|
|
yylineno++;
|
|
if (strcmp(buf, "%}\n") == 0)
|
|
break;
|
|
fputs(buf, outfp);
|
|
}
|
|
if (fgets(buf, sizeof buf, infp) == NULL)
|
|
return EOF;
|
|
crlf_to_lf(buf, sizeof buf);
|
|
yylineno++;
|
|
}
|
|
}
|
|
return *bp++;
|
|
}
|
|
|
|
void yyerror(char *fmt, ...) {
|
|
va_list ap;
|
|
|
|
va_start(ap, fmt);
|
|
if (yylineno > 0)
|
|
fprintf(stderr, "line %d: ", yylineno);
|
|
vfprintf(stderr, fmt, ap);
|
|
if (fmt[strlen(fmt)-1] != '\n')
|
|
fprintf(stderr, "\n");
|
|
errcnt++;
|
|
va_end(ap);
|
|
}
|
|
|
|
int yylex(void) {
|
|
int c;
|
|
|
|
if (code) {
|
|
char *p;
|
|
bp += strspn(bp, " \t\f");
|
|
p = strchr(bp, '\n');
|
|
if (p == NULL)
|
|
p = strchr(bp, '\n');
|
|
while (p > bp && isspace(p[-1]))
|
|
p--;
|
|
yylval.string = alloc(p - bp + 1);
|
|
strncpy(yylval.string, bp, p - bp);
|
|
yylval.string[p - bp] = 0;
|
|
bp = p;
|
|
code--;
|
|
return CODE;
|
|
}
|
|
while ((c = get()) != EOF) {
|
|
switch (c) {
|
|
case ' ': case '\f': case '\t':
|
|
continue;
|
|
case '\n':
|
|
case '(': case ')': case ',':
|
|
case ':': case '=':
|
|
return c;
|
|
}
|
|
if (c == '%' && *bp == '%') {
|
|
bp++;
|
|
return ppercent++ ? 0 : PPERCENT;
|
|
} else if (c == '%' && strncmp(bp, "term", 4) == 0
|
|
&& isspace(bp[4])) {
|
|
bp += 4;
|
|
return TERMINAL;
|
|
} else if (c == '%' && strncmp(bp, "start", 5) == 0
|
|
&& isspace(bp[5])) {
|
|
bp += 5;
|
|
return START;
|
|
} else if (c == '"') {
|
|
char *p = strchr(bp, '"');
|
|
if (p == NULL) {
|
|
yyerror("missing \" in assembler template\n");
|
|
p = strchr(bp, '\n');
|
|
if (p == NULL)
|
|
p = strchr(bp, '\0');
|
|
}
|
|
assert(p);
|
|
yylval.string = alloc(p - bp + 1);
|
|
strncpy(yylval.string, bp, p - bp);
|
|
yylval.string[p - bp] = 0;
|
|
bp = *p == '"' ? p + 1 : p;
|
|
code++;
|
|
return TEMPLATE;
|
|
} else if (isdigit(c)) {
|
|
int n = 0;
|
|
do {
|
|
int d = c - '0';
|
|
if (n > (INT_MAX - d)/10)
|
|
yyerror("integer greater than %d\n", INT_MAX);
|
|
else
|
|
n = 10*n + d;
|
|
c = get();
|
|
} while (c != EOF && isdigit(c));
|
|
bp--;
|
|
yylval.n = n;
|
|
return INT;
|
|
} else if (isalpha(c)) {
|
|
char *p = bp - 1;
|
|
while (isalpha(*bp) || isdigit(*bp) || *bp == '_')
|
|
bp++;
|
|
yylval.string = alloc(bp - p + 1);
|
|
strncpy(yylval.string, p, bp - p);
|
|
yylval.string[bp - p] = 0;
|
|
return ID;
|
|
} else if (isprint(c))
|
|
yyerror("invalid character `%c'\n", c);
|
|
else
|
|
yyerror("invalid character `\\%03o'\n", (unsigned char)c);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void yywarn(char *fmt, ...) {
|
|
va_list ap;
|
|
|
|
va_start(ap, fmt);
|
|
if (yylineno > 0)
|
|
fprintf(stderr, "line %d: ", yylineno);
|
|
fprintf(stderr, "warning: ");
|
|
vfprintf(stderr, fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
#line 562 "y.tab.c"
|
|
|
|
/* For use in generated program */
|
|
#define yydepth (int)(yystack.s_mark - yystack.s_base)
|
|
#if YYBTYACC
|
|
#define yytrial (yyps->save)
|
|
#endif /* YYBTYACC */
|
|
|
|
#if YYDEBUG
|
|
#include <stdio.h> /* needed for printf */
|
|
#endif
|
|
|
|
#include <stdlib.h> /* needed for malloc, etc */
|
|
#include <string.h> /* needed for memset */
|
|
|
|
/* allocate initial stack or double stack size, up to YYMAXDEPTH */
|
|
static int yygrowstack(YYSTACKDATA *data)
|
|
{
|
|
int i;
|
|
unsigned newsize;
|
|
YYINT *newss;
|
|
YYSTYPE *newvs;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
YYLTYPE *newps;
|
|
#endif
|
|
|
|
if ((newsize = data->stacksize) == 0)
|
|
newsize = YYINITSTACKSIZE;
|
|
else if (newsize >= YYMAXDEPTH)
|
|
return YYENOMEM;
|
|
else if ((newsize *= 2) > YYMAXDEPTH)
|
|
newsize = YYMAXDEPTH;
|
|
|
|
i = (int) (data->s_mark - data->s_base);
|
|
newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));
|
|
if (newss == 0)
|
|
return YYENOMEM;
|
|
|
|
data->s_base = newss;
|
|
data->s_mark = newss + i;
|
|
|
|
newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
|
|
if (newvs == 0)
|
|
return YYENOMEM;
|
|
|
|
data->l_base = newvs;
|
|
data->l_mark = newvs + i;
|
|
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
newps = (YYLTYPE *)realloc(data->p_base, newsize * sizeof(*newps));
|
|
if (newps == 0)
|
|
return YYENOMEM;
|
|
|
|
data->p_base = newps;
|
|
data->p_mark = newps + i;
|
|
#endif
|
|
|
|
data->stacksize = newsize;
|
|
data->s_last = data->s_base + newsize - 1;
|
|
|
|
#if YYDEBUG
|
|
if (yydebug)
|
|
fprintf(stderr, "%sdebug: stack size increased to %d\n", YYPREFIX, newsize);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
#if YYPURE || defined(YY_NO_LEAKS)
|
|
static void yyfreestack(YYSTACKDATA *data)
|
|
{
|
|
free(data->s_base);
|
|
free(data->l_base);
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
free(data->p_base);
|
|
#endif
|
|
memset(data, 0, sizeof(*data));
|
|
}
|
|
#else
|
|
#define yyfreestack(data) /* nothing */
|
|
#endif /* YYPURE || defined(YY_NO_LEAKS) */
|
|
#if YYBTYACC
|
|
|
|
static YYParseState *
|
|
yyNewState(unsigned size)
|
|
{
|
|
YYParseState *p = (YYParseState *) malloc(sizeof(YYParseState));
|
|
if (p == NULL) return NULL;
|
|
|
|
p->yystack.stacksize = size;
|
|
if (size == 0)
|
|
{
|
|
p->yystack.s_base = NULL;
|
|
p->yystack.l_base = NULL;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
p->yystack.p_base = NULL;
|
|
#endif
|
|
return p;
|
|
}
|
|
p->yystack.s_base = (YYINT *) malloc(size * sizeof(YYINT));
|
|
if (p->yystack.s_base == NULL) return NULL;
|
|
p->yystack.l_base = (YYSTYPE *) malloc(size * sizeof(YYSTYPE));
|
|
if (p->yystack.l_base == NULL) return NULL;
|
|
memset(p->yystack.l_base, 0, size * sizeof(YYSTYPE));
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
p->yystack.p_base = (YYLTYPE *) malloc(size * sizeof(YYLTYPE));
|
|
if (p->yystack.p_base == NULL) return NULL;
|
|
memset(p->yystack.p_base, 0, size * sizeof(YYLTYPE));
|
|
#endif
|
|
|
|
return p;
|
|
}
|
|
|
|
static void
|
|
yyFreeState(YYParseState *p)
|
|
{
|
|
yyfreestack(&p->yystack);
|
|
free(p);
|
|
}
|
|
#endif /* YYBTYACC */
|
|
|
|
#define YYABORT goto yyabort
|
|
#define YYREJECT goto yyabort
|
|
#define YYACCEPT goto yyaccept
|
|
#define YYERROR goto yyerrlab
|
|
#if YYBTYACC
|
|
#define YYVALID do { if (yyps->save) goto yyvalid; } while(0)
|
|
#define YYVALID_NESTED do { if (yyps->save && \
|
|
yyps->save->save == 0) goto yyvalid; } while(0)
|
|
#endif /* YYBTYACC */
|
|
|
|
int
|
|
YYPARSE_DECL()
|
|
{
|
|
int yym, yyn, yystate, yyresult;
|
|
#if YYBTYACC
|
|
int yynewerrflag;
|
|
YYParseState *yyerrctx = NULL;
|
|
#endif /* YYBTYACC */
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
YYLTYPE yyerror_loc_range[3]; /* position of error start/end (0 unused) */
|
|
#endif
|
|
#if YYDEBUG
|
|
const char *yys;
|
|
|
|
if ((yys = getenv("YYDEBUG")) != 0)
|
|
{
|
|
yyn = *yys;
|
|
if (yyn >= '0' && yyn <= '9')
|
|
yydebug = yyn - '0';
|
|
}
|
|
if (yydebug)
|
|
fprintf(stderr, "%sdebug[<# of symbols on state stack>]\n", YYPREFIX);
|
|
#endif
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
memset(yyerror_loc_range, 0, sizeof(yyerror_loc_range));
|
|
#endif
|
|
|
|
#if YYBTYACC
|
|
yyps = yyNewState(0); if (yyps == 0) goto yyenomem;
|
|
yyps->save = 0;
|
|
#endif /* YYBTYACC */
|
|
yym = 0;
|
|
yyn = 0;
|
|
yynerrs = 0;
|
|
yyerrflag = 0;
|
|
yychar = YYEMPTY;
|
|
yystate = 0;
|
|
|
|
#if YYPURE
|
|
memset(&yystack, 0, sizeof(yystack));
|
|
#endif
|
|
|
|
if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
|
|
yystack.s_mark = yystack.s_base;
|
|
yystack.l_mark = yystack.l_base;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
yystack.p_mark = yystack.p_base;
|
|
#endif
|
|
yystate = 0;
|
|
*yystack.s_mark = 0;
|
|
|
|
yyloop:
|
|
if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
|
|
if (yychar < 0)
|
|
{
|
|
#if YYBTYACC
|
|
do {
|
|
if (yylvp < yylve)
|
|
{
|
|
/* we're currently re-reading tokens */
|
|
yylval = *yylvp++;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
yylloc = *yylpp++;
|
|
#endif
|
|
yychar = *yylexp++;
|
|
break;
|
|
}
|
|
if (yyps->save)
|
|
{
|
|
/* in trial mode; save scanner results for future parse attempts */
|
|
if (yylvp == yylvlim)
|
|
{ /* Enlarge lexical value queue */
|
|
size_t p = (size_t) (yylvp - yylvals);
|
|
size_t s = (size_t) (yylvlim - yylvals);
|
|
|
|
s += YYLVQUEUEGROWTH;
|
|
if ((yylexemes = (YYINT *)realloc(yylexemes, s * sizeof(YYINT))) == NULL) goto yyenomem;
|
|
if ((yylvals = (YYSTYPE *)realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) goto yyenomem;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
if ((yylpsns = (YYLTYPE *)realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) goto yyenomem;
|
|
#endif
|
|
yylvp = yylve = yylvals + p;
|
|
yylvlim = yylvals + s;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
yylpp = yylpe = yylpsns + p;
|
|
yylplim = yylpsns + s;
|
|
#endif
|
|
yylexp = yylexemes + p;
|
|
}
|
|
*yylexp = (YYINT) YYLEX;
|
|
*yylvp++ = yylval;
|
|
yylve++;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
*yylpp++ = yylloc;
|
|
yylpe++;
|
|
#endif
|
|
yychar = *yylexp++;
|
|
break;
|
|
}
|
|
/* normal operation, no conflict encountered */
|
|
#endif /* YYBTYACC */
|
|
yychar = YYLEX;
|
|
#if YYBTYACC
|
|
} while (0);
|
|
#endif /* YYBTYACC */
|
|
if (yychar < 0) yychar = YYEOF;
|
|
#if YYDEBUG
|
|
if (yydebug)
|
|
{
|
|
if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
|
|
fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)",
|
|
YYDEBUGSTR, yydepth, yystate, yychar, yys);
|
|
#ifdef YYSTYPE_TOSTRING
|
|
#if YYBTYACC
|
|
if (!yytrial)
|
|
#endif /* YYBTYACC */
|
|
fprintf(stderr, " <%s>", YYSTYPE_TOSTRING(yychar, yylval));
|
|
#endif
|
|
fputc('\n', stderr);
|
|
}
|
|
#endif
|
|
}
|
|
#if YYBTYACC
|
|
|
|
/* Do we have a conflict? */
|
|
if (((yyn = yycindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
|
|
yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
|
|
{
|
|
YYINT ctry;
|
|
|
|
if (yypath)
|
|
{
|
|
YYParseState *save;
|
|
#if YYDEBUG
|
|
if (yydebug)
|
|
fprintf(stderr, "%s[%d]: CONFLICT in state %d: following successful trial parse\n",
|
|
YYDEBUGSTR, yydepth, yystate);
|
|
#endif
|
|
/* Switch to the next conflict context */
|
|
save = yypath;
|
|
yypath = save->save;
|
|
save->save = NULL;
|
|
ctry = save->ctry;
|
|
if (save->state != yystate) YYABORT;
|
|
yyFreeState(save);
|
|
|
|
}
|
|
else
|
|
{
|
|
|
|
/* Unresolved conflict - start/continue trial parse */
|
|
YYParseState *save;
|
|
#if YYDEBUG
|
|
if (yydebug)
|
|
{
|
|
fprintf(stderr, "%s[%d]: CONFLICT in state %d. ", YYDEBUGSTR, yydepth, yystate);
|
|
if (yyps->save)
|
|
fputs("ALREADY in conflict, continuing trial parse.\n", stderr);
|
|
else
|
|
fputs("Starting trial parse.\n", stderr);
|
|
}
|
|
#endif
|
|
save = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));
|
|
if (save == NULL) goto yyenomem;
|
|
save->save = yyps->save;
|
|
save->state = yystate;
|
|
save->errflag = yyerrflag;
|
|
save->yystack.s_mark = save->yystack.s_base + (yystack.s_mark - yystack.s_base);
|
|
memcpy (save->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
|
|
save->yystack.l_mark = save->yystack.l_base + (yystack.l_mark - yystack.l_base);
|
|
memcpy (save->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
save->yystack.p_mark = save->yystack.p_base + (yystack.p_mark - yystack.p_base);
|
|
memcpy (save->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
|
|
#endif
|
|
ctry = yytable[yyn];
|
|
if (yyctable[ctry] == -1)
|
|
{
|
|
#if YYDEBUG
|
|
if (yydebug && yychar >= YYEOF)
|
|
fprintf(stderr, "%s[%d]: backtracking 1 token\n", YYDEBUGSTR, yydepth);
|
|
#endif
|
|
ctry++;
|
|
}
|
|
save->ctry = ctry;
|
|
if (yyps->save == NULL)
|
|
{
|
|
/* If this is a first conflict in the stack, start saving lexemes */
|
|
if (!yylexemes)
|
|
{
|
|
yylexemes = (YYINT *) malloc((YYLVQUEUEGROWTH) * sizeof(YYINT));
|
|
if (yylexemes == NULL) goto yyenomem;
|
|
yylvals = (YYSTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYSTYPE));
|
|
if (yylvals == NULL) goto yyenomem;
|
|
yylvlim = yylvals + YYLVQUEUEGROWTH;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
yylpsns = (YYLTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYLTYPE));
|
|
if (yylpsns == NULL) goto yyenomem;
|
|
yylplim = yylpsns + YYLVQUEUEGROWTH;
|
|
#endif
|
|
}
|
|
if (yylvp == yylve)
|
|
{
|
|
yylvp = yylve = yylvals;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
yylpp = yylpe = yylpsns;
|
|
#endif
|
|
yylexp = yylexemes;
|
|
if (yychar >= YYEOF)
|
|
{
|
|
*yylve++ = yylval;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
*yylpe++ = yylloc;
|
|
#endif
|
|
*yylexp = (YYINT) yychar;
|
|
yychar = YYEMPTY;
|
|
}
|
|
}
|
|
}
|
|
if (yychar >= YYEOF)
|
|
{
|
|
yylvp--;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
yylpp--;
|
|
#endif
|
|
yylexp--;
|
|
yychar = YYEMPTY;
|
|
}
|
|
save->lexeme = (int) (yylvp - yylvals);
|
|
yyps->save = save;
|
|
}
|
|
if (yytable[yyn] == ctry)
|
|
{
|
|
#if YYDEBUG
|
|
if (yydebug)
|
|
fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
|
|
YYDEBUGSTR, yydepth, yystate, yyctable[ctry]);
|
|
#endif
|
|
if (yychar < 0)
|
|
{
|
|
yylvp++;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
yylpp++;
|
|
#endif
|
|
yylexp++;
|
|
}
|
|
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
|
|
goto yyoverflow;
|
|
yystate = yyctable[ctry];
|
|
*++yystack.s_mark = (YYINT) yystate;
|
|
*++yystack.l_mark = yylval;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
*++yystack.p_mark = yylloc;
|
|
#endif
|
|
yychar = YYEMPTY;
|
|
if (yyerrflag > 0) --yyerrflag;
|
|
goto yyloop;
|
|
}
|
|
else
|
|
{
|
|
yyn = yyctable[ctry];
|
|
goto yyreduce;
|
|
}
|
|
} /* End of code dealing with conflicts */
|
|
#endif /* YYBTYACC */
|
|
if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
|
|
yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
|
|
{
|
|
#if YYDEBUG
|
|
if (yydebug)
|
|
fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
|
|
YYDEBUGSTR, yydepth, yystate, yytable[yyn]);
|
|
#endif
|
|
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
|
|
yystate = yytable[yyn];
|
|
*++yystack.s_mark = yytable[yyn];
|
|
*++yystack.l_mark = yylval;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
*++yystack.p_mark = yylloc;
|
|
#endif
|
|
yychar = YYEMPTY;
|
|
if (yyerrflag > 0) --yyerrflag;
|
|
goto yyloop;
|
|
}
|
|
if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
|
|
yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
|
|
{
|
|
yyn = yytable[yyn];
|
|
goto yyreduce;
|
|
}
|
|
if (yyerrflag != 0) goto yyinrecovery;
|
|
#if YYBTYACC
|
|
|
|
yynewerrflag = 1;
|
|
goto yyerrhandler;
|
|
goto yyerrlab; /* redundant goto avoids 'unused label' warning */
|
|
|
|
yyerrlab:
|
|
/* explicit YYERROR from an action -- pop the rhs of the rule reduced
|
|
* before looking for error recovery */
|
|
yystack.s_mark -= yym;
|
|
yystate = *yystack.s_mark;
|
|
yystack.l_mark -= yym;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
yystack.p_mark -= yym;
|
|
#endif
|
|
|
|
yynewerrflag = 0;
|
|
yyerrhandler:
|
|
while (yyps->save)
|
|
{
|
|
int ctry;
|
|
YYParseState *save = yyps->save;
|
|
#if YYDEBUG
|
|
if (yydebug)
|
|
fprintf(stderr, "%s[%d]: ERROR in state %d, CONFLICT BACKTRACKING to state %d, %d tokens\n",
|
|
YYDEBUGSTR, yydepth, yystate, yyps->save->state,
|
|
(int)(yylvp - yylvals - yyps->save->lexeme));
|
|
#endif
|
|
/* Memorize most forward-looking error state in case it's really an error. */
|
|
if (yyerrctx == NULL || yyerrctx->lexeme < yylvp - yylvals)
|
|
{
|
|
/* Free old saved error context state */
|
|
if (yyerrctx) yyFreeState(yyerrctx);
|
|
/* Create and fill out new saved error context state */
|
|
yyerrctx = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));
|
|
if (yyerrctx == NULL) goto yyenomem;
|
|
yyerrctx->save = yyps->save;
|
|
yyerrctx->state = yystate;
|
|
yyerrctx->errflag = yyerrflag;
|
|
yyerrctx->yystack.s_mark = yyerrctx->yystack.s_base + (yystack.s_mark - yystack.s_base);
|
|
memcpy (yyerrctx->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
|
|
yyerrctx->yystack.l_mark = yyerrctx->yystack.l_base + (yystack.l_mark - yystack.l_base);
|
|
memcpy (yyerrctx->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
yyerrctx->yystack.p_mark = yyerrctx->yystack.p_base + (yystack.p_mark - yystack.p_base);
|
|
memcpy (yyerrctx->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
|
|
#endif
|
|
yyerrctx->lexeme = (int) (yylvp - yylvals);
|
|
}
|
|
yylvp = yylvals + save->lexeme;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
yylpp = yylpsns + save->lexeme;
|
|
#endif
|
|
yylexp = yylexemes + save->lexeme;
|
|
yychar = YYEMPTY;
|
|
yystack.s_mark = yystack.s_base + (save->yystack.s_mark - save->yystack.s_base);
|
|
memcpy (yystack.s_base, save->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
|
|
yystack.l_mark = yystack.l_base + (save->yystack.l_mark - save->yystack.l_base);
|
|
memcpy (yystack.l_base, save->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
yystack.p_mark = yystack.p_base + (save->yystack.p_mark - save->yystack.p_base);
|
|
memcpy (yystack.p_base, save->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
|
|
#endif
|
|
ctry = ++save->ctry;
|
|
yystate = save->state;
|
|
/* We tried shift, try reduce now */
|
|
if ((yyn = yyctable[ctry]) >= 0) goto yyreduce;
|
|
yyps->save = save->save;
|
|
save->save = NULL;
|
|
yyFreeState(save);
|
|
|
|
/* Nothing left on the stack -- error */
|
|
if (!yyps->save)
|
|
{
|
|
#if YYDEBUG
|
|
if (yydebug)
|
|
fprintf(stderr, "%sdebug[%d,trial]: trial parse FAILED, entering ERROR mode\n",
|
|
YYPREFIX, yydepth);
|
|
#endif
|
|
/* Restore state as it was in the most forward-advanced error */
|
|
yylvp = yylvals + yyerrctx->lexeme;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
yylpp = yylpsns + yyerrctx->lexeme;
|
|
#endif
|
|
yylexp = yylexemes + yyerrctx->lexeme;
|
|
yychar = yylexp[-1];
|
|
yylval = yylvp[-1];
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
yylloc = yylpp[-1];
|
|
#endif
|
|
yystack.s_mark = yystack.s_base + (yyerrctx->yystack.s_mark - yyerrctx->yystack.s_base);
|
|
memcpy (yystack.s_base, yyerrctx->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
|
|
yystack.l_mark = yystack.l_base + (yyerrctx->yystack.l_mark - yyerrctx->yystack.l_base);
|
|
memcpy (yystack.l_base, yyerrctx->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
yystack.p_mark = yystack.p_base + (yyerrctx->yystack.p_mark - yyerrctx->yystack.p_base);
|
|
memcpy (yystack.p_base, yyerrctx->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
|
|
#endif
|
|
yystate = yyerrctx->state;
|
|
yyFreeState(yyerrctx);
|
|
yyerrctx = NULL;
|
|
}
|
|
yynewerrflag = 1;
|
|
}
|
|
if (yynewerrflag == 0) goto yyinrecovery;
|
|
#endif /* YYBTYACC */
|
|
|
|
YYERROR_CALL("syntax error");
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
yyerror_loc_range[1] = yylloc; /* lookahead position is error start position */
|
|
#endif
|
|
|
|
#if !YYBTYACC
|
|
goto yyerrlab; /* redundant goto avoids 'unused label' warning */
|
|
yyerrlab:
|
|
#endif
|
|
++yynerrs;
|
|
|
|
yyinrecovery:
|
|
if (yyerrflag < 3)
|
|
{
|
|
yyerrflag = 3;
|
|
for (;;)
|
|
{
|
|
if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 &&
|
|
yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE)
|
|
{
|
|
#if YYDEBUG
|
|
if (yydebug)
|
|
fprintf(stderr, "%s[%d]: state %d, error recovery shifting to state %d\n",
|
|
YYDEBUGSTR, yydepth, *yystack.s_mark, yytable[yyn]);
|
|
#endif
|
|
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
|
|
yystate = yytable[yyn];
|
|
*++yystack.s_mark = yytable[yyn];
|
|
*++yystack.l_mark = yylval;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
/* lookahead position is error end position */
|
|
yyerror_loc_range[2] = yylloc;
|
|
YYLLOC_DEFAULT(yyloc, yyerror_loc_range, 2); /* position of error span */
|
|
*++yystack.p_mark = yyloc;
|
|
#endif
|
|
goto yyloop;
|
|
}
|
|
else
|
|
{
|
|
#if YYDEBUG
|
|
if (yydebug)
|
|
fprintf(stderr, "%s[%d]: error recovery discarding state %d\n",
|
|
YYDEBUGSTR, yydepth, *yystack.s_mark);
|
|
#endif
|
|
if (yystack.s_mark <= yystack.s_base) goto yyabort;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
/* the current TOS position is the error start position */
|
|
yyerror_loc_range[1] = *yystack.p_mark;
|
|
#endif
|
|
#if defined(YYDESTRUCT_CALL)
|
|
#if YYBTYACC
|
|
if (!yytrial)
|
|
#endif /* YYBTYACC */
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
YYDESTRUCT_CALL("error: discarding state",
|
|
yystos[*yystack.s_mark], yystack.l_mark, yystack.p_mark);
|
|
#else
|
|
YYDESTRUCT_CALL("error: discarding state",
|
|
yystos[*yystack.s_mark], yystack.l_mark);
|
|
#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
|
|
#endif /* defined(YYDESTRUCT_CALL) */
|
|
--yystack.s_mark;
|
|
--yystack.l_mark;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
--yystack.p_mark;
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (yychar == YYEOF) goto yyabort;
|
|
#if YYDEBUG
|
|
if (yydebug)
|
|
{
|
|
if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
|
|
fprintf(stderr, "%s[%d]: state %d, error recovery discarding token %d (%s)\n",
|
|
YYDEBUGSTR, yydepth, yystate, yychar, yys);
|
|
}
|
|
#endif
|
|
#if defined(YYDESTRUCT_CALL)
|
|
#if YYBTYACC
|
|
if (!yytrial)
|
|
#endif /* YYBTYACC */
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
YYDESTRUCT_CALL("error: discarding token", yychar, &yylval, &yylloc);
|
|
#else
|
|
YYDESTRUCT_CALL("error: discarding token", yychar, &yylval);
|
|
#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
|
|
#endif /* defined(YYDESTRUCT_CALL) */
|
|
yychar = YYEMPTY;
|
|
goto yyloop;
|
|
}
|
|
|
|
yyreduce:
|
|
yym = yylen[yyn];
|
|
#if YYDEBUG
|
|
if (yydebug)
|
|
{
|
|
fprintf(stderr, "%s[%d]: state %d, reducing by rule %d (%s)",
|
|
YYDEBUGSTR, yydepth, yystate, yyn, yyrule[yyn]);
|
|
#ifdef YYSTYPE_TOSTRING
|
|
#if YYBTYACC
|
|
if (!yytrial)
|
|
#endif /* YYBTYACC */
|
|
if (yym > 0)
|
|
{
|
|
int i;
|
|
fputc('<', stderr);
|
|
for (i = yym; i > 0; i--)
|
|
{
|
|
if (i != yym) fputs(", ", stderr);
|
|
fputs(YYSTYPE_TOSTRING(yystos[yystack.s_mark[1-i]],
|
|
yystack.l_mark[1-i]), stderr);
|
|
}
|
|
fputc('>', stderr);
|
|
}
|
|
#endif
|
|
fputc('\n', stderr);
|
|
}
|
|
#endif
|
|
if (yym > 0)
|
|
yyval = yystack.l_mark[1-yym];
|
|
else
|
|
memset(&yyval, 0, sizeof yyval);
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
|
|
/* Perform position reduction */
|
|
memset(&yyloc, 0, sizeof(yyloc));
|
|
#if YYBTYACC
|
|
if (!yytrial)
|
|
#endif /* YYBTYACC */
|
|
{
|
|
YYLLOC_DEFAULT(yyloc, &yystack.p_mark[-yym], yym);
|
|
/* just in case YYERROR is invoked within the action, save
|
|
the start of the rhs as the error start position */
|
|
yyerror_loc_range[1] = yystack.p_mark[1-yym];
|
|
}
|
|
#endif
|
|
|
|
switch (yyn)
|
|
{
|
|
case 1:
|
|
#line 22 "code/tools/lcc/lburg/gram.y"
|
|
{ yylineno = 0; }
|
|
#line 1 ""
|
|
break;
|
|
case 2:
|
|
#line 23 "code/tools/lcc/lburg/gram.y"
|
|
{ yylineno = 0; }
|
|
#line 1 ""
|
|
break;
|
|
case 6:
|
|
#line 31 "code/tools/lcc/lburg/gram.y"
|
|
{
|
|
if (nonterm(yystack.l_mark[-1].string)->number != 1)
|
|
yyerror("redeclaration of the start symbol\n");
|
|
}
|
|
#line 1 ""
|
|
break;
|
|
case 8:
|
|
#line 36 "code/tools/lcc/lburg/gram.y"
|
|
{ yyerrok; }
|
|
#line 1 ""
|
|
break;
|
|
case 10:
|
|
#line 40 "code/tools/lcc/lburg/gram.y"
|
|
{ term(yystack.l_mark[-2].string, yystack.l_mark[0].n); }
|
|
#line 1 ""
|
|
break;
|
|
case 12:
|
|
#line 44 "code/tools/lcc/lburg/gram.y"
|
|
{ rule(yystack.l_mark[-5].string, yystack.l_mark[-3].tree, yystack.l_mark[-2].string, yystack.l_mark[-1].string); }
|
|
#line 1 ""
|
|
break;
|
|
case 14:
|
|
#line 46 "code/tools/lcc/lburg/gram.y"
|
|
{ yyerrok; }
|
|
#line 1 ""
|
|
break;
|
|
case 15:
|
|
#line 49 "code/tools/lcc/lburg/gram.y"
|
|
{ nonterm(yyval.string = yystack.l_mark[0].string); }
|
|
#line 1 ""
|
|
break;
|
|
case 16:
|
|
#line 52 "code/tools/lcc/lburg/gram.y"
|
|
{ yyval.tree = tree(yystack.l_mark[0].string, 0, 0); }
|
|
#line 1 ""
|
|
break;
|
|
case 17:
|
|
#line 53 "code/tools/lcc/lburg/gram.y"
|
|
{ yyval.tree = tree(yystack.l_mark[-3].string, yystack.l_mark[-1].tree, 0); }
|
|
#line 1 ""
|
|
break;
|
|
case 18:
|
|
#line 54 "code/tools/lcc/lburg/gram.y"
|
|
{ yyval.tree = tree(yystack.l_mark[-5].string, yystack.l_mark[-3].tree, yystack.l_mark[-1].tree); }
|
|
#line 1 ""
|
|
break;
|
|
case 19:
|
|
#line 57 "code/tools/lcc/lburg/gram.y"
|
|
{ if (*yystack.l_mark[0].string == 0) yyval.string = "0"; }
|
|
#line 1 ""
|
|
break;
|
|
#line 1295 "y.tab.c"
|
|
default:
|
|
break;
|
|
}
|
|
yystack.s_mark -= yym;
|
|
yystate = *yystack.s_mark;
|
|
yystack.l_mark -= yym;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
yystack.p_mark -= yym;
|
|
#endif
|
|
yym = yylhs[yyn];
|
|
if (yystate == 0 && yym == 0)
|
|
{
|
|
#if YYDEBUG
|
|
if (yydebug)
|
|
{
|
|
fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
|
|
#ifdef YYSTYPE_TOSTRING
|
|
#if YYBTYACC
|
|
if (!yytrial)
|
|
#endif /* YYBTYACC */
|
|
fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[YYFINAL], yyval));
|
|
#endif
|
|
fprintf(stderr, "shifting from state 0 to final state %d\n", YYFINAL);
|
|
}
|
|
#endif
|
|
yystate = YYFINAL;
|
|
*++yystack.s_mark = YYFINAL;
|
|
*++yystack.l_mark = yyval;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
*++yystack.p_mark = yyloc;
|
|
#endif
|
|
if (yychar < 0)
|
|
{
|
|
#if YYBTYACC
|
|
do {
|
|
if (yylvp < yylve)
|
|
{
|
|
/* we're currently re-reading tokens */
|
|
yylval = *yylvp++;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
yylloc = *yylpp++;
|
|
#endif
|
|
yychar = *yylexp++;
|
|
break;
|
|
}
|
|
if (yyps->save)
|
|
{
|
|
/* in trial mode; save scanner results for future parse attempts */
|
|
if (yylvp == yylvlim)
|
|
{ /* Enlarge lexical value queue */
|
|
size_t p = (size_t) (yylvp - yylvals);
|
|
size_t s = (size_t) (yylvlim - yylvals);
|
|
|
|
s += YYLVQUEUEGROWTH;
|
|
if ((yylexemes = (YYINT *)realloc(yylexemes, s * sizeof(YYINT))) == NULL)
|
|
goto yyenomem;
|
|
if ((yylvals = (YYSTYPE *)realloc(yylvals, s * sizeof(YYSTYPE))) == NULL)
|
|
goto yyenomem;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
if ((yylpsns = (YYLTYPE *)realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL)
|
|
goto yyenomem;
|
|
#endif
|
|
yylvp = yylve = yylvals + p;
|
|
yylvlim = yylvals + s;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
yylpp = yylpe = yylpsns + p;
|
|
yylplim = yylpsns + s;
|
|
#endif
|
|
yylexp = yylexemes + p;
|
|
}
|
|
*yylexp = (YYINT) YYLEX;
|
|
*yylvp++ = yylval;
|
|
yylve++;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
*yylpp++ = yylloc;
|
|
yylpe++;
|
|
#endif
|
|
yychar = *yylexp++;
|
|
break;
|
|
}
|
|
/* normal operation, no conflict encountered */
|
|
#endif /* YYBTYACC */
|
|
yychar = YYLEX;
|
|
#if YYBTYACC
|
|
} while (0);
|
|
#endif /* YYBTYACC */
|
|
if (yychar < 0) yychar = YYEOF;
|
|
#if YYDEBUG
|
|
if (yydebug)
|
|
{
|
|
if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
|
|
fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)\n",
|
|
YYDEBUGSTR, yydepth, YYFINAL, yychar, yys);
|
|
}
|
|
#endif
|
|
}
|
|
if (yychar == YYEOF) goto yyaccept;
|
|
goto yyloop;
|
|
}
|
|
if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 &&
|
|
yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate)
|
|
yystate = yytable[yyn];
|
|
else
|
|
yystate = yydgoto[yym];
|
|
#if YYDEBUG
|
|
if (yydebug)
|
|
{
|
|
fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
|
|
#ifdef YYSTYPE_TOSTRING
|
|
#if YYBTYACC
|
|
if (!yytrial)
|
|
#endif /* YYBTYACC */
|
|
fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[yystate], yyval));
|
|
#endif
|
|
fprintf(stderr, "shifting from state %d to state %d\n", *yystack.s_mark, yystate);
|
|
}
|
|
#endif
|
|
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
|
|
*++yystack.s_mark = (YYINT) yystate;
|
|
*++yystack.l_mark = yyval;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
*++yystack.p_mark = yyloc;
|
|
#endif
|
|
goto yyloop;
|
|
#if YYBTYACC
|
|
|
|
/* Reduction declares that this path is valid. Set yypath and do a full parse */
|
|
yyvalid:
|
|
if (yypath) YYABORT;
|
|
while (yyps->save)
|
|
{
|
|
YYParseState *save = yyps->save;
|
|
yyps->save = save->save;
|
|
save->save = yypath;
|
|
yypath = save;
|
|
}
|
|
#if YYDEBUG
|
|
if (yydebug)
|
|
fprintf(stderr, "%s[%d]: state %d, CONFLICT trial successful, backtracking to state %d, %d tokens\n",
|
|
YYDEBUGSTR, yydepth, yystate, yypath->state, (int)(yylvp - yylvals - yypath->lexeme));
|
|
#endif
|
|
if (yyerrctx)
|
|
{
|
|
yyFreeState(yyerrctx);
|
|
yyerrctx = NULL;
|
|
}
|
|
yylvp = yylvals + yypath->lexeme;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
yylpp = yylpsns + yypath->lexeme;
|
|
#endif
|
|
yylexp = yylexemes + yypath->lexeme;
|
|
yychar = YYEMPTY;
|
|
yystack.s_mark = yystack.s_base + (yypath->yystack.s_mark - yypath->yystack.s_base);
|
|
memcpy (yystack.s_base, yypath->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
|
|
yystack.l_mark = yystack.l_base + (yypath->yystack.l_mark - yypath->yystack.l_base);
|
|
memcpy (yystack.l_base, yypath->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
yystack.p_mark = yystack.p_base + (yypath->yystack.p_mark - yypath->yystack.p_base);
|
|
memcpy (yystack.p_base, yypath->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
|
|
#endif
|
|
yystate = yypath->state;
|
|
goto yyloop;
|
|
#endif /* YYBTYACC */
|
|
|
|
yyoverflow:
|
|
YYERROR_CALL("yacc stack overflow");
|
|
#if YYBTYACC
|
|
goto yyabort_nomem;
|
|
yyenomem:
|
|
YYERROR_CALL("memory exhausted");
|
|
yyabort_nomem:
|
|
#endif /* YYBTYACC */
|
|
yyresult = 2;
|
|
goto yyreturn;
|
|
|
|
yyabort:
|
|
yyresult = 1;
|
|
goto yyreturn;
|
|
|
|
yyaccept:
|
|
#if YYBTYACC
|
|
if (yyps->save) goto yyvalid;
|
|
#endif /* YYBTYACC */
|
|
yyresult = 0;
|
|
|
|
yyreturn:
|
|
#if defined(YYDESTRUCT_CALL)
|
|
if (yychar != YYEOF && yychar != YYEMPTY)
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval, &yylloc);
|
|
#else
|
|
YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval);
|
|
#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
|
|
|
|
{
|
|
YYSTYPE *pv;
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
YYLTYPE *pp;
|
|
|
|
for (pv = yystack.l_base, pp = yystack.p_base; pv <= yystack.l_mark; ++pv, ++pp)
|
|
YYDESTRUCT_CALL("cleanup: discarding state",
|
|
yystos[*(yystack.s_base + (pv - yystack.l_base))], pv, pp);
|
|
#else
|
|
for (pv = yystack.l_base; pv <= yystack.l_mark; ++pv)
|
|
YYDESTRUCT_CALL("cleanup: discarding state",
|
|
yystos[*(yystack.s_base + (pv - yystack.l_base))], pv);
|
|
#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
|
|
}
|
|
#endif /* defined(YYDESTRUCT_CALL) */
|
|
|
|
#if YYBTYACC
|
|
if (yyerrctx)
|
|
{
|
|
yyFreeState(yyerrctx);
|
|
yyerrctx = NULL;
|
|
}
|
|
while (yyps)
|
|
{
|
|
YYParseState *save = yyps;
|
|
yyps = save->save;
|
|
save->save = NULL;
|
|
yyFreeState(save);
|
|
}
|
|
while (yypath)
|
|
{
|
|
YYParseState *save = yypath;
|
|
yypath = save->save;
|
|
save->save = NULL;
|
|
yyFreeState(save);
|
|
}
|
|
#endif /* YYBTYACC */
|
|
yyfreestack(&yystack);
|
|
return (yyresult);
|
|
}
|