1502 lines
47 KiB
C
1502 lines
47 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 1
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#define YYMINOR 9
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#define YYCHECK "yyyymmdd"
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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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#ifndef yyparse
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#define yyparse calc3_parse
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#endif /* yyparse */
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#ifndef yylex
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#define yylex calc3_lex
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#endif /* yylex */
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#ifndef yyerror
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#define yyerror calc3_error
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#endif /* yyerror */
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#ifndef yychar
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#define yychar calc3_char
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#endif /* yychar */
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#ifndef yyval
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#define yyval calc3_val
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#endif /* yyval */
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#ifndef yylval
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#define yylval calc3_lval
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#endif /* yylval */
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#ifndef yydebug
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#define yydebug calc3_debug
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#endif /* yydebug */
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#ifndef yynerrs
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#define yynerrs calc3_nerrs
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#endif /* yynerrs */
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#ifndef yyerrflag
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#define yyerrflag calc3_errflag
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#endif /* yyerrflag */
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#ifndef yylhs
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#define yylhs calc3_lhs
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#endif /* yylhs */
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#ifndef yylen
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#define yylen calc3_len
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#endif /* yylen */
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#ifndef yydefred
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#define yydefred calc3_defred
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#endif /* yydefred */
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#ifndef yystos
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#define yystos calc3_stos
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#endif /* yystos */
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#ifndef yydgoto
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#define yydgoto calc3_dgoto
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#endif /* yydgoto */
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#ifndef yysindex
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#define yysindex calc3_sindex
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#endif /* yysindex */
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#ifndef yyrindex
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#define yyrindex calc3_rindex
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#endif /* yyrindex */
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#ifndef yygindex
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#define yygindex calc3_gindex
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#endif /* yygindex */
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#ifndef yytable
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#define yytable calc3_table
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#endif /* yytable */
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#ifndef yycheck
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#define yycheck calc3_check
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#endif /* yycheck */
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#ifndef yyname
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#define yyname calc3_name
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#endif /* yyname */
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#ifndef yyrule
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#define yyrule calc3_rule
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#endif /* yyrule */
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#if YYBTYACC
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#ifndef yycindex
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#define yycindex calc3_cindex
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#endif /* yycindex */
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#ifndef yyctable
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#define yyctable calc3_ctable
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#endif /* yyctable */
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#endif /* YYBTYACC */
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#define YYPREFIX "calc3_"
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#define YYPURE 1
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#line 9 "calc3.y"
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# include <stdio.h>
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# include <ctype.h>
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#ifdef YYBISON
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#define YYSTYPE int
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#define YYLEX_PARAM base
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#define YYLEX_DECL() yylex(YYSTYPE *yylval, int *YYLEX_PARAM)
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#define YYERROR_DECL() yyerror(int regs[26], int *base, const char *s)
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int YYLEX_DECL();
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static void YYERROR_DECL();
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#endif
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#line 134 "calc3.tab.c"
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#if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED)
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/* Default: YYSTYPE is the semantic value type. */
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typedef int YYSTYPE;
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# define YYSTYPE_IS_DECLARED 1
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#endif
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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(int regs[26], int *base)
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#endif
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/* Parameters sent to lex. */
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#ifdef YYLEX_PARAM
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# ifdef YYLEX_PARAM_TYPE
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# define YYLEX_DECL() yylex(YYSTYPE *yylval, YYLEX_PARAM_TYPE YYLEX_PARAM)
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# else
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# define YYLEX_DECL() yylex(YYSTYPE *yylval, void * YYLEX_PARAM)
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# endif
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# define YYLEX yylex(&yylval, YYLEX_PARAM)
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#else
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# define YYLEX_DECL() yylex(YYSTYPE *yylval, int *base)
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# define YYLEX yylex(&yylval, base)
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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(int regs[26], int *base, const char *s)
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#endif
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#ifndef YYERROR_CALL
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#define YYERROR_CALL(msg) yyerror(regs, base, msg)
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#endif
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extern int YYPARSE_DECL();
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#define DIGIT 257
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#define LETTER 258
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#define UMINUS 259
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#define YYERRCODE 256
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typedef int YYINT;
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static const YYINT calc3_lhs[] = { -1,
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0, 0, 0, 1, 1, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 3, 3,
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};
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static const YYINT calc3_len[] = { 2,
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0, 3, 3, 1, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 2, 1, 1, 1, 2,
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};
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static const YYINT calc3_defred[] = { 1,
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0, 0, 17, 0, 0, 0, 0, 0, 0, 3,
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0, 15, 14, 0, 2, 0, 0, 0, 0, 0,
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0, 0, 18, 0, 6, 0, 0, 0, 0, 9,
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10, 11,
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};
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#if defined(YYDESTRUCT_CALL) || defined(YYSTYPE_TOSTRING)
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static const YYINT calc3_stos[] = { 0,
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261, 256, 257, 258, 45, 40, 262, 263, 264, 10,
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61, 258, 263, 263, 10, 124, 38, 43, 45, 42,
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47, 37, 257, 263, 41, 263, 263, 263, 263, 263,
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263, 263,
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};
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#endif /* YYDESTRUCT_CALL || YYSTYPE_TOSTRING */
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static const YYINT calc3_dgoto[] = { 1,
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7, 8, 9,
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};
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static const YYINT calc3_sindex[] = { 0,
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-40, -7, 0, -55, -38, -38, 1, -29, -247, 0,
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-38, 0, 0, 22, 0, -38, -38, -38, -38, -38,
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-38, -38, 0, -29, 0, 51, 60, -20, -20, 0,
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0, 0,
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};
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static const YYINT calc3_rindex[] = { 0,
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0, 0, 0, 2, 0, 0, 0, 9, -9, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 10, 0, -6, 14, 5, 13, 0,
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0, 0,
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};
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#if YYBTYACC
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static const YYINT calc3_cindex[] = { 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,
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};
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#endif
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static const YYINT calc3_gindex[] = { 0,
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0, 65, 0,
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};
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#define YYTABLESIZE 220
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static const YYINT calc3_table[] = { 6,
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16, 6, 10, 13, 5, 11, 5, 22, 17, 23,
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15, 15, 20, 18, 7, 19, 22, 21, 4, 5,
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0, 20, 8, 12, 0, 0, 21, 16, 16, 0,
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0, 16, 16, 16, 13, 16, 0, 16, 15, 15,
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0, 0, 7, 15, 15, 7, 15, 7, 15, 7,
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8, 12, 0, 8, 12, 8, 0, 8, 22, 17,
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0, 0, 25, 20, 18, 0, 19, 0, 21, 13,
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14, 0, 0, 0, 0, 24, 0, 0, 0, 0,
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26, 27, 28, 29, 30, 31, 32, 22, 17, 0,
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0, 0, 20, 18, 16, 19, 22, 21, 0, 0,
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0, 20, 18, 0, 19, 0, 21, 0, 0, 0,
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0, 0, 0, 0, 16, 0, 0, 13, 0, 0,
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0, 0, 0, 0, 0, 15, 0, 0, 7, 0,
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0, 0, 0, 0, 0, 0, 8, 12, 0, 0,
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0, 0, 0, 0, 0, 16, 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, 2, 3, 4, 3, 12,
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};
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static const YYINT calc3_check[] = { 40,
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10, 40, 10, 10, 45, 61, 45, 37, 38, 257,
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10, 10, 42, 43, 10, 45, 37, 47, 10, 10,
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-1, 42, 10, 10, -1, -1, 47, 37, 38, -1,
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-1, 41, 42, 43, 41, 45, -1, 47, 37, 38,
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-1, -1, 38, 42, 43, 41, 45, 43, 47, 45,
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38, 38, -1, 41, 41, 43, -1, 45, 37, 38,
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-1, -1, 41, 42, 43, -1, 45, -1, 47, 5,
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6, -1, -1, -1, -1, 11, -1, -1, -1, -1,
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16, 17, 18, 19, 20, 21, 22, 37, 38, -1,
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-1, -1, 42, 43, 124, 45, 37, 47, -1, -1,
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-1, 42, 43, -1, 45, -1, 47, -1, -1, -1,
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-1, -1, -1, -1, 124, -1, -1, 124, -1, -1,
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-1, -1, -1, -1, -1, 124, -1, -1, 124, -1,
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-1, -1, -1, -1, -1, -1, 124, 124, -1, -1,
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-1, -1, -1, -1, -1, 124, -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, 256, 257, 258, 257, 258,
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};
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#if YYBTYACC
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static const YYINT calc3_ctable[] = { -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,
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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 259
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#define YYUNDFTOKEN 265
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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 calc3_name[] = {
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"$end",0,0,0,0,0,0,0,0,0,"'\\n'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,"'%'","'&'",0,"'('","')'","'*'","'+'",0,"'-'",0,"'/'",0,0,0,0,0,0,0,0,0,0,
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0,0,0,"'='",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"'|'",0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,"error","DIGIT","LETTER","UMINUS","$accept","list","stat","expr","number",
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"illegal-symbol",
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};
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static const char *const calc3_rule[] = {
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"$accept : list",
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"list :",
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"list : list stat '\\n'",
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"list : list error '\\n'",
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"stat : expr",
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"stat : LETTER '=' expr",
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"expr : '(' expr ')'",
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"expr : expr '+' expr",
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"expr : expr '-' expr",
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"expr : expr '*' expr",
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"expr : expr '/' expr",
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"expr : expr '%' expr",
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"expr : expr '&' expr",
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"expr : expr '|' expr",
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"expr : '-' expr",
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"expr : LETTER",
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"expr : number",
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"number : DIGIT",
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"number : number DIGIT",
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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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#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
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#ifndef YYLLOC_DEFAULT
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#define YYLLOC_DEFAULT(loc, rhs, n) \
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do \
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{ \
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if (n == 0) \
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{ \
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(loc).first_line = YYRHSLOC(rhs, 0).last_line; \
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(loc).first_column = YYRHSLOC(rhs, 0).last_column; \
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(loc).last_line = YYRHSLOC(rhs, 0).last_line; \
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(loc).last_column = YYRHSLOC(rhs, 0).last_column; \
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} \
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else \
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{ \
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(loc).first_line = YYRHSLOC(rhs, 1).first_line; \
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(loc).first_column = YYRHSLOC(rhs, 1).first_column; \
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(loc).last_line = YYRHSLOC(rhs, n).last_line; \
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(loc).last_column = YYRHSLOC(rhs, n).last_column; \
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} \
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} while (0)
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#endif /* YYLLOC_DEFAULT */
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#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
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#if YYBTYACC
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#ifndef YYLVQUEUEGROWTH
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#define YYLVQUEUEGROWTH 32
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#endif
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#endif /* YYBTYACC */
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/* define the initial stack-sizes */
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#ifdef YYSTACKSIZE
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#undef YYMAXDEPTH
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#define YYMAXDEPTH YYSTACKSIZE
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#else
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#ifdef YYMAXDEPTH
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#define YYSTACKSIZE YYMAXDEPTH
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#else
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#define YYSTACKSIZE 10000
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#define YYMAXDEPTH 10000
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#endif
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#endif
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#ifndef YYINITSTACKSIZE
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#define YYINITSTACKSIZE 200
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#endif
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typedef struct {
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|
unsigned stacksize;
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|
YYINT *s_base;
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|
YYINT *s_mark;
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|
YYINT *s_last;
|
|
YYSTYPE *l_base;
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|
YYSTYPE *l_mark;
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|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
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|
YYLTYPE *p_base;
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|
YYLTYPE *p_mark;
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|
#endif
|
|
} YYSTACKDATA;
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#if YYBTYACC
|
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|
|
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 */
|
|
#line 76 "calc3.y"
|
|
/* start of programs */
|
|
|
|
#ifdef YYBYACC
|
|
extern int YYLEX_DECL();
|
|
#endif
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
int regs[26];
|
|
int base = 10;
|
|
|
|
while(!feof(stdin)) {
|
|
yyparse(regs, &base);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#define UNUSED(x) ((void)(x))
|
|
|
|
static void
|
|
YYERROR_DECL()
|
|
{
|
|
UNUSED(regs); /* %parse-param regs is not actually used here */
|
|
UNUSED(base); /* %parse-param base is not actually used here */
|
|
fprintf(stderr, "%s\n", s);
|
|
}
|
|
|
|
int
|
|
YYLEX_DECL()
|
|
{
|
|
/* lexical analysis routine */
|
|
/* returns LETTER for a lower case letter, yylval = 0 through 25 */
|
|
/* return DIGIT for a digit, yylval = 0 through 9 */
|
|
/* all other characters are returned immediately */
|
|
|
|
int c;
|
|
|
|
while( (c=getchar()) == ' ' ) { /* skip blanks */ }
|
|
|
|
/* c is now nonblank */
|
|
|
|
if( islower( c )) {
|
|
*yylval = (c - 'a');
|
|
return ( LETTER );
|
|
}
|
|
if( isdigit( c )) {
|
|
*yylval = (c - '0') % (*base);
|
|
return ( DIGIT );
|
|
}
|
|
return( c );
|
|
}
|
|
#line 477 "calc3.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 == NULL)
|
|
return YYENOMEM;
|
|
|
|
data->s_base = newss;
|
|
data->s_mark = newss + i;
|
|
|
|
newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
|
|
if (newvs == NULL)
|
|
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 == NULL)
|
|
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 yyerrflag;
|
|
int yychar;
|
|
YYSTYPE yyval;
|
|
YYSTYPE yylval;
|
|
int yynerrs;
|
|
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
YYLTYPE yyloc; /* position returned by actions */
|
|
YYLTYPE yylloc; /* position from the lexer */
|
|
#endif
|
|
|
|
/* variables for the parser stack */
|
|
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 */
|
|
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")) != NULL)
|
|
{
|
|
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
|
|
|
|
yyerrflag = 0;
|
|
yychar = 0;
|
|
memset(&yyval, 0, sizeof(yyval));
|
|
memset(&yylval, 0, sizeof(yylval));
|
|
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
|
|
memset(&yyloc, 0, sizeof(yyloc));
|
|
memset(&yylloc, 0, sizeof(yylloc));
|
|
#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 3:
|
|
#line 38 "calc3.y"
|
|
{ yyerrok ; }
|
|
break;
|
|
case 4:
|
|
#line 42 "calc3.y"
|
|
{ printf("%d\n",yystack.l_mark[0]);}
|
|
break;
|
|
case 5:
|
|
#line 44 "calc3.y"
|
|
{ regs[yystack.l_mark[-2]] = yystack.l_mark[0]; }
|
|
break;
|
|
case 6:
|
|
#line 48 "calc3.y"
|
|
{ yyval = yystack.l_mark[-1]; }
|
|
break;
|
|
case 7:
|
|
#line 50 "calc3.y"
|
|
{ yyval = yystack.l_mark[-2] + yystack.l_mark[0]; }
|
|
break;
|
|
case 8:
|
|
#line 52 "calc3.y"
|
|
{ yyval = yystack.l_mark[-2] - yystack.l_mark[0]; }
|
|
break;
|
|
case 9:
|
|
#line 54 "calc3.y"
|
|
{ yyval = yystack.l_mark[-2] * yystack.l_mark[0]; }
|
|
break;
|
|
case 10:
|
|
#line 56 "calc3.y"
|
|
{ yyval = yystack.l_mark[-2] / yystack.l_mark[0]; }
|
|
break;
|
|
case 11:
|
|
#line 58 "calc3.y"
|
|
{ yyval = yystack.l_mark[-2] % yystack.l_mark[0]; }
|
|
break;
|
|
case 12:
|
|
#line 60 "calc3.y"
|
|
{ yyval = yystack.l_mark[-2] & yystack.l_mark[0]; }
|
|
break;
|
|
case 13:
|
|
#line 62 "calc3.y"
|
|
{ yyval = yystack.l_mark[-2] | yystack.l_mark[0]; }
|
|
break;
|
|
case 14:
|
|
#line 64 "calc3.y"
|
|
{ yyval = - yystack.l_mark[0]; }
|
|
break;
|
|
case 15:
|
|
#line 66 "calc3.y"
|
|
{ yyval = regs[yystack.l_mark[0]]; }
|
|
break;
|
|
case 17:
|
|
#line 71 "calc3.y"
|
|
{ yyval = yystack.l_mark[0]; (*base) = (yystack.l_mark[0]==0) ? 8 : 10; }
|
|
break;
|
|
case 18:
|
|
#line 73 "calc3.y"
|
|
{ yyval = (*base) * yystack.l_mark[-1] + yystack.l_mark[0]; }
|
|
break;
|
|
#line 1268 "calc3.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);
|
|
}
|