916 lines
22 KiB
C
916 lines
22 KiB
C
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/* $NetBSD: calc1.tab.c,v 1.1.1.3 2011/09/10 21:22:08 christos Exp $ */
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#ifndef lint
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static const char yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93";
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#endif
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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 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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#ifndef yyparse
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#define yyparse calc1_parse
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#endif /* yyparse */
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#ifndef yylex
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#define yylex calc1_lex
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#endif /* yylex */
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#ifndef yyerror
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#define yyerror calc1_error
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#endif /* yyerror */
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#ifndef yychar
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#define yychar calc1_char
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#endif /* yychar */
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#ifndef yyval
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#define yyval calc1_val
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#endif /* yyval */
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#ifndef yylval
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#define yylval calc1_lval
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#endif /* yylval */
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#ifndef yydebug
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#define yydebug calc1_debug
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#endif /* yydebug */
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#ifndef yynerrs
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#define yynerrs calc1_nerrs
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#endif /* yynerrs */
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#ifndef yyerrflag
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#define yyerrflag calc1_errflag
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#endif /* yyerrflag */
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#ifndef yylhs
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#define yylhs calc1_lhs
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#endif /* yylhs */
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#ifndef yylen
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#define yylen calc1_len
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#endif /* yylen */
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#ifndef yydefred
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#define yydefred calc1_defred
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#endif /* yydefred */
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#ifndef yydgoto
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#define yydgoto calc1_dgoto
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#endif /* yydgoto */
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#ifndef yysindex
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#define yysindex calc1_sindex
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#endif /* yysindex */
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#ifndef yyrindex
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#define yyrindex calc1_rindex
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#endif /* yyrindex */
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#ifndef yygindex
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#define yygindex calc1_gindex
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#endif /* yygindex */
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#ifndef yytable
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#define yytable calc1_table
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#endif /* yytable */
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#ifndef yycheck
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#define yycheck calc1_check
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#endif /* yycheck */
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#ifndef yyname
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#define yyname calc1_name
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#endif /* yyname */
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#ifndef yyrule
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#define yyrule calc1_rule
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#endif /* yyrule */
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#define YYPREFIX "calc1_"
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#define YYPURE 0
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#line 2 "calc1.y"
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/* http://dinosaur.compilertools.net/yacc/index.html */
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#include <stdlib.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <math.h>
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typedef struct interval
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{
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double lo, hi;
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}
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INTERVAL;
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INTERVAL vmul(double, double, INTERVAL);
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INTERVAL vdiv(double, double, INTERVAL);
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int dcheck(INTERVAL);
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double dreg[26];
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INTERVAL vreg[26];
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#line 28 "calc1.y"
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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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typedef union
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{
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int ival;
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double dval;
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INTERVAL vval;
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} YYSTYPE;
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#endif /* !YYSTYPE_IS_DECLARED */
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#line 136 "calc1.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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/* Parameters sent to yyerror. */
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#define YYERROR_DECL() yyerror(const char *s)
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#define YYERROR_CALL(msg) yyerror(msg)
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extern int YYPARSE_DECL();
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#define DREG 257
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#define VREG 258
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#define CONST 259
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#define UMINUS 260
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#define YYERRCODE 256
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static const short calc1_lhs[] = { -1,
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3, 3, 0, 0, 0, 0, 0, 1, 1, 1,
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1, 1, 1, 1, 1, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2,
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};
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static const short calc1_len[] = { 2,
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0, 2, 2, 2, 4, 4, 2, 1, 1, 3,
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3, 3, 3, 2, 3, 1, 5, 1, 3, 3,
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3, 3, 3, 3, 3, 3, 2, 3,
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};
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static const short calc1_defred[] = { 0,
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0, 0, 0, 8, 0, 0, 0, 0, 0, 7,
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0, 0, 9, 18, 14, 27, 0, 0, 0, 0,
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0, 0, 3, 0, 0, 0, 0, 4, 0, 0,
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0, 0, 0, 15, 0, 28, 0, 0, 0, 0,
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12, 24, 13, 26, 0, 0, 23, 25, 14, 0,
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0, 0, 0, 0, 5, 6, 0, 0, 0, 12,
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13, 17,
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};
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static const short calc1_dgoto[] = { 7,
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32, 9, 0,
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};
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static const short calc1_sindex[] = { -40,
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-8, -48, -47, 0, -37, -37, 0, 2, 17, 0,
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-34, -37, 0, 0, 0, 0, -25, 90, -37, -37,
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-37, -37, 0, -37, -37, -37, -37, 0, -34, -34,
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25, 125, 31, 0, -34, 0, -11, 37, -11, 37,
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0, 0, 0, 0, 37, 37, 0, 0, 0, 111,
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-34, -34, -34, -34, 0, 0, 118, 69, 69, 0,
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0, 0,
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};
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static const short calc1_rindex[] = { 0,
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0, 38, 44, 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, -9, 0, 0, 0, 0, 51, -3, 56, 61,
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0, 0, 0, 0, 67, 72, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 78, 83, 0,
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0, 0,
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};
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static const short calc1_gindex[] = { 0,
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4, 124, 0,
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};
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#define YYTABLESIZE 225
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static const short calc1_table[] = { 6,
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16, 10, 6, 8, 5, 30, 20, 5, 15, 17,
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29, 23, 11, 12, 31, 34, 21, 19, 35, 20,
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0, 22, 37, 39, 41, 43, 28, 0, 0, 0,
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21, 16, 49, 50, 55, 22, 0, 20, 57, 20,
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56, 20, 0, 21, 19, 0, 20, 9, 22, 0,
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0, 0, 0, 18, 58, 59, 60, 61, 26, 24,
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10, 25, 0, 27, 0, 11, 53, 51, 0, 52,
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22, 54, 26, 24, 0, 25, 19, 27, 26, 9,
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9, 21, 9, 27, 9, 18, 18, 10, 18, 0,
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18, 10, 11, 10, 10, 10, 11, 0, 11, 11,
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11, 22, 0, 22, 0, 22, 0, 19, 0, 19,
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53, 19, 21, 0, 21, 54, 21, 0, 10, 0,
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10, 0, 10, 11, 0, 11, 0, 11, 16, 18,
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36, 26, 24, 0, 25, 33, 27, 0, 0, 0,
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0, 0, 38, 40, 42, 44, 0, 45, 46, 47,
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48, 34, 53, 51, 0, 52, 0, 54, 62, 53,
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51, 0, 52, 0, 54, 0, 21, 19, 0, 20,
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0, 22, 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, 1, 2, 3, 4, 13,
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14, 4, 13, 0, 4,
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};
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static const short calc1_check[] = { 40,
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10, 10, 40, 0, 45, 40, 10, 45, 5, 6,
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45, 10, 61, 61, 11, 41, 42, 43, 44, 45,
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-1, 47, 19, 20, 21, 22, 10, -1, -1, -1,
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42, 41, 29, 30, 10, 47, -1, 41, 35, 43,
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10, 45, -1, 42, 43, -1, 45, 10, 47, -1,
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-1, -1, -1, 10, 51, 52, 53, 54, 42, 43,
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10, 45, -1, 47, -1, 10, 42, 43, -1, 45,
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10, 47, 42, 43, -1, 45, 10, 47, 42, 42,
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43, 10, 45, 47, 47, 42, 43, 10, 45, -1,
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47, 41, 10, 43, 44, 45, 41, -1, 43, 44,
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45, 41, -1, 43, -1, 45, -1, 41, -1, 43,
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42, 45, 41, -1, 43, 47, 45, -1, 41, -1,
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43, -1, 45, 41, -1, 43, -1, 45, 5, 6,
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41, 42, 43, -1, 45, 12, 47, -1, -1, -1,
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-1, -1, 19, 20, 21, 22, -1, 24, 25, 26,
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27, 41, 42, 43, -1, 45, -1, 47, 41, 42,
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43, -1, 45, -1, 47, -1, 42, 43, -1, 45,
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-1, 47, -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, 259, 257,
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258, 259, 257, -1, 259,
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};
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#define YYFINAL 7
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#ifndef YYDEBUG
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#define YYDEBUG 0
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#endif
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#define YYMAXTOKEN 260
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#if YYDEBUG
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static const char *yyname[] = {
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"end-of-file",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,
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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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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,"DREG","VREG","CONST","UMINUS",
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};
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static const char *yyrule[] = {
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"$accept : line",
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"lines :",
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"lines : lines line",
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"line : dexp '\\n'",
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"line : vexp '\\n'",
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"line : DREG '=' dexp '\\n'",
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"line : VREG '=' vexp '\\n'",
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"line : error '\\n'",
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"dexp : CONST",
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"dexp : DREG",
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"dexp : dexp '+' dexp",
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"dexp : dexp '-' dexp",
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"dexp : dexp '*' dexp",
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"dexp : dexp '/' dexp",
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"dexp : '-' dexp",
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"dexp : '(' dexp ')'",
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"vexp : dexp",
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||
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"vexp : '(' dexp ',' dexp ')'",
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"vexp : VREG",
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"vexp : vexp '+' vexp",
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"vexp : dexp '+' vexp",
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"vexp : vexp '-' vexp",
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"vexp : dexp '-' vexp",
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"vexp : vexp '*' vexp",
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"vexp : dexp '*' vexp",
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"vexp : vexp '/' vexp",
|
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"vexp : dexp '/' vexp",
|
||
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"vexp : '-' vexp",
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||
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"vexp : '(' vexp ')'",
|
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};
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#endif
|
||
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int yydebug;
|
||
|
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int yynerrs;
|
||
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|
||
|
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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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|
||
|
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/* define the initial stack-sizes */
|
||
|
|
#ifdef YYSTACKSIZE
|
||
|
|
#undef YYMAXDEPTH
|
||
|
|
#define YYMAXDEPTH YYSTACKSIZE
|
||
|
|
#else
|
||
|
|
#ifdef YYMAXDEPTH
|
||
|
|
#define YYSTACKSIZE YYMAXDEPTH
|
||
|
|
#else
|
||
|
|
#define YYSTACKSIZE 500
|
||
|
|
#define YYMAXDEPTH 500
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define YYINITSTACKSIZE 500
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
unsigned stacksize;
|
||
|
|
short *s_base;
|
||
|
|
short *s_mark;
|
||
|
|
short *s_last;
|
||
|
|
YYSTYPE *l_base;
|
||
|
|
YYSTYPE *l_mark;
|
||
|
|
} YYSTACKDATA;
|
||
|
|
/* variables for the parser stack */
|
||
|
|
static YYSTACKDATA yystack;
|
||
|
|
#line 173 "calc1.y"
|
||
|
|
/* beginning of subroutines section */
|
||
|
|
|
||
|
|
#ifdef YYBYACC
|
||
|
|
extern int YYLEX_DECL();
|
||
|
|
static void YYERROR_DECL();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define BSZ 50 /* buffer size for floating point numbers */
|
||
|
|
|
||
|
|
/* lexical analysis */
|
||
|
|
|
||
|
|
static void
|
||
|
|
yyerror(const char *s)
|
||
|
|
{
|
||
|
|
fprintf(stderr, "%s\n", s);
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
yylex(void)
|
||
|
|
{
|
||
|
|
int c;
|
||
|
|
|
||
|
|
while ((c = getchar()) == ' ')
|
||
|
|
{ /* skip over blanks */
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isupper(c))
|
||
|
|
{
|
||
|
|
yylval.ival = c - 'A';
|
||
|
|
return (VREG);
|
||
|
|
}
|
||
|
|
if (islower(c))
|
||
|
|
{
|
||
|
|
yylval.ival = c - 'a';
|
||
|
|
return (DREG);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isdigit(c) || c == '.')
|
||
|
|
{
|
||
|
|
/* gobble up digits, points, exponents */
|
||
|
|
char buf[BSZ + 1], *cp = buf;
|
||
|
|
int dot = 0, expr = 0;
|
||
|
|
|
||
|
|
for (; (cp - buf) < BSZ; ++cp, c = getchar())
|
||
|
|
{
|
||
|
|
|
||
|
|
*cp = c;
|
||
|
|
if (isdigit(c))
|
||
|
|
continue;
|
||
|
|
if (c == '.')
|
||
|
|
{
|
||
|
|
if (dot++ || expr)
|
||
|
|
return ('.'); /* will cause syntax error */
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (c == 'e')
|
||
|
|
{
|
||
|
|
if (expr++)
|
||
|
|
return ('e'); /* will cause syntax error */
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* end of number */
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
*cp = '\0';
|
||
|
|
|
||
|
|
if ((cp - buf) >= BSZ)
|
||
|
|
printf("constant too long: truncated\n");
|
||
|
|
else
|
||
|
|
ungetc(c, stdin); /* push back last char read */
|
||
|
|
yylval.dval = atof(buf);
|
||
|
|
return (CONST);
|
||
|
|
}
|
||
|
|
return (c);
|
||
|
|
}
|
||
|
|
|
||
|
|
static INTERVAL
|
||
|
|
hilo(double a, double b, double c, double d)
|
||
|
|
{
|
||
|
|
/* returns the smallest interval containing a, b, c, and d */
|
||
|
|
/* used by *, / routines */
|
||
|
|
INTERVAL v;
|
||
|
|
|
||
|
|
if (a > b)
|
||
|
|
{
|
||
|
|
v.hi = a;
|
||
|
|
v.lo = b;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
v.hi = b;
|
||
|
|
v.lo = a;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (c > d)
|
||
|
|
{
|
||
|
|
if (c > v.hi)
|
||
|
|
v.hi = c;
|
||
|
|
if (d < v.lo)
|
||
|
|
v.lo = d;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (d > v.hi)
|
||
|
|
v.hi = d;
|
||
|
|
if (c < v.lo)
|
||
|
|
v.lo = c;
|
||
|
|
}
|
||
|
|
return (v);
|
||
|
|
}
|
||
|
|
|
||
|
|
INTERVAL
|
||
|
|
vmul(double a, double b, INTERVAL v)
|
||
|
|
{
|
||
|
|
return (hilo(a * v.hi, a * v.lo, b * v.hi, b * v.lo));
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
dcheck(INTERVAL v)
|
||
|
|
{
|
||
|
|
if (v.hi >= 0. && v.lo <= 0.)
|
||
|
|
{
|
||
|
|
printf("divisor interval contains 0.\n");
|
||
|
|
return (1);
|
||
|
|
}
|
||
|
|
return (0);
|
||
|
|
}
|
||
|
|
|
||
|
|
INTERVAL
|
||
|
|
vdiv(double a, double b, INTERVAL v)
|
||
|
|
{
|
||
|
|
return (hilo(a / v.hi, a / v.lo, b / v.hi, b / v.lo));
|
||
|
|
}
|
||
|
|
#line 484 "calc1.tab.c"
|
||
|
|
|
||
|
|
#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;
|
||
|
|
short *newss;
|
||
|
|
YYSTYPE *newvs;
|
||
|
|
|
||
|
|
if ((newsize = data->stacksize) == 0)
|
||
|
|
newsize = YYINITSTACKSIZE;
|
||
|
|
else if (newsize >= YYMAXDEPTH)
|
||
|
|
return -1;
|
||
|
|
else if ((newsize *= 2) > YYMAXDEPTH)
|
||
|
|
newsize = YYMAXDEPTH;
|
||
|
|
|
||
|
|
i = data->s_mark - data->s_base;
|
||
|
|
newss = (short *)realloc(data->s_base, newsize * sizeof(*newss));
|
||
|
|
if (newss == 0)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
data->s_base = newss;
|
||
|
|
data->s_mark = newss + i;
|
||
|
|
|
||
|
|
newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
|
||
|
|
if (newvs == 0)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
data->l_base = newvs;
|
||
|
|
data->l_mark = newvs + i;
|
||
|
|
|
||
|
|
data->stacksize = newsize;
|
||
|
|
data->s_last = data->s_base + newsize - 1;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#if YYPURE || defined(YY_NO_LEAKS)
|
||
|
|
static void yyfreestack(YYSTACKDATA *data)
|
||
|
|
{
|
||
|
|
free(data->s_base);
|
||
|
|
free(data->l_base);
|
||
|
|
memset(data, 0, sizeof(*data));
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
#define yyfreestack(data) /* nothing */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define YYABORT goto yyabort
|
||
|
|
#define YYREJECT goto yyabort
|
||
|
|
#define YYACCEPT goto yyaccept
|
||
|
|
#define YYERROR goto yyerrlab
|
||
|
|
|
||
|
|
int
|
||
|
|
YYPARSE_DECL()
|
||
|
|
{
|
||
|
|
int yym, yyn, yystate;
|
||
|
|
#if YYDEBUG
|
||
|
|
const char *yys;
|
||
|
|
|
||
|
|
if ((yys = getenv("YYDEBUG")) != 0)
|
||
|
|
{
|
||
|
|
yyn = *yys;
|
||
|
|
if (yyn >= '0' && yyn <= '9')
|
||
|
|
yydebug = yyn - '0';
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
yynerrs = 0;
|
||
|
|
yyerrflag = 0;
|
||
|
|
yychar = YYEMPTY;
|
||
|
|
yystate = 0;
|
||
|
|
|
||
|
|
#if YYPURE
|
||
|
|
memset(&yystack, 0, sizeof(yystack));
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if (yystack.s_base == NULL && yygrowstack(&yystack)) goto yyoverflow;
|
||
|
|
yystack.s_mark = yystack.s_base;
|
||
|
|
yystack.l_mark = yystack.l_base;
|
||
|
|
yystate = 0;
|
||
|
|
*yystack.s_mark = 0;
|
||
|
|
|
||
|
|
yyloop:
|
||
|
|
if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
|
||
|
|
if (yychar < 0)
|
||
|
|
{
|
||
|
|
if ((yychar = YYLEX) < 0) yychar = 0;
|
||
|
|
#if YYDEBUG
|
||
|
|
if (yydebug)
|
||
|
|
{
|
||
|
|
yys = 0;
|
||
|
|
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
|
||
|
|
if (!yys) yys = "illegal-symbol";
|
||
|
|
printf("%sdebug: state %d, reading %d (%s)\n",
|
||
|
|
YYPREFIX, yystate, yychar, yys);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
|
||
|
|
yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
|
||
|
|
{
|
||
|
|
#if YYDEBUG
|
||
|
|
if (yydebug)
|
||
|
|
printf("%sdebug: state %d, shifting to state %d\n",
|
||
|
|
YYPREFIX, yystate, yytable[yyn]);
|
||
|
|
#endif
|
||
|
|
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack))
|
||
|
|
{
|
||
|
|
goto yyoverflow;
|
||
|
|
}
|
||
|
|
yystate = yytable[yyn];
|
||
|
|
*++yystack.s_mark = yytable[yyn];
|
||
|
|
*++yystack.l_mark = yylval;
|
||
|
|
yychar = YYEMPTY;
|
||
|
|
if (yyerrflag > 0) --yyerrflag;
|
||
|
|
goto yyloop;
|
||
|
|
}
|
||
|
|
if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
|
||
|
|
yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
|
||
|
|
{
|
||
|
|
yyn = yytable[yyn];
|
||
|
|
goto yyreduce;
|
||
|
|
}
|
||
|
|
if (yyerrflag) goto yyinrecovery;
|
||
|
|
|
||
|
|
yyerror("syntax error");
|
||
|
|
|
||
|
|
goto yyerrlab;
|
||
|
|
|
||
|
|
yyerrlab:
|
||
|
|
++yynerrs;
|
||
|
|
|
||
|
|
yyinrecovery:
|
||
|
|
if (yyerrflag < 3)
|
||
|
|
{
|
||
|
|
yyerrflag = 3;
|
||
|
|
for (;;)
|
||
|
|
{
|
||
|
|
if ((yyn = yysindex[*yystack.s_mark]) && (yyn += YYERRCODE) >= 0 &&
|
||
|
|
yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
|
||
|
|
{
|
||
|
|
#if YYDEBUG
|
||
|
|
if (yydebug)
|
||
|
|
printf("%sdebug: state %d, error recovery shifting\
|
||
|
|
to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]);
|
||
|
|
#endif
|
||
|
|
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack))
|
||
|
|
{
|
||
|
|
goto yyoverflow;
|
||
|
|
}
|
||
|
|
yystate = yytable[yyn];
|
||
|
|
*++yystack.s_mark = yytable[yyn];
|
||
|
|
*++yystack.l_mark = yylval;
|
||
|
|
goto yyloop;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
#if YYDEBUG
|
||
|
|
if (yydebug)
|
||
|
|
printf("%sdebug: error recovery discarding state %d\n",
|
||
|
|
YYPREFIX, *yystack.s_mark);
|
||
|
|
#endif
|
||
|
|
if (yystack.s_mark <= yystack.s_base) goto yyabort;
|
||
|
|
--yystack.s_mark;
|
||
|
|
--yystack.l_mark;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (yychar == 0) goto yyabort;
|
||
|
|
#if YYDEBUG
|
||
|
|
if (yydebug)
|
||
|
|
{
|
||
|
|
yys = 0;
|
||
|
|
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
|
||
|
|
if (!yys) yys = "illegal-symbol";
|
||
|
|
printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
|
||
|
|
YYPREFIX, yystate, yychar, yys);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
yychar = YYEMPTY;
|
||
|
|
goto yyloop;
|
||
|
|
}
|
||
|
|
|
||
|
|
yyreduce:
|
||
|
|
#if YYDEBUG
|
||
|
|
if (yydebug)
|
||
|
|
printf("%sdebug: state %d, reducing by rule %d (%s)\n",
|
||
|
|
YYPREFIX, yystate, yyn, yyrule[yyn]);
|
||
|
|
#endif
|
||
|
|
yym = yylen[yyn];
|
||
|
|
if (yym)
|
||
|
|
yyval = yystack.l_mark[1-yym];
|
||
|
|
else
|
||
|
|
memset(&yyval, 0, sizeof yyval);
|
||
|
|
switch (yyn)
|
||
|
|
{
|
||
|
|
case 3:
|
||
|
|
#line 54 "calc1.y"
|
||
|
|
{
|
||
|
|
(void) printf("%15.8f\n", yystack.l_mark[-1].dval);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 4:
|
||
|
|
#line 58 "calc1.y"
|
||
|
|
{
|
||
|
|
(void) printf("(%15.8f, %15.8f)\n", yystack.l_mark[-1].vval.lo, yystack.l_mark[-1].vval.hi);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 5:
|
||
|
|
#line 62 "calc1.y"
|
||
|
|
{
|
||
|
|
dreg[yystack.l_mark[-3].ival] = yystack.l_mark[-1].dval;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 6:
|
||
|
|
#line 66 "calc1.y"
|
||
|
|
{
|
||
|
|
vreg[yystack.l_mark[-3].ival] = yystack.l_mark[-1].vval;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 7:
|
||
|
|
#line 70 "calc1.y"
|
||
|
|
{
|
||
|
|
yyerrok;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 9:
|
||
|
|
#line 77 "calc1.y"
|
||
|
|
{
|
||
|
|
yyval.dval = dreg[yystack.l_mark[0].ival];
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 10:
|
||
|
|
#line 81 "calc1.y"
|
||
|
|
{
|
||
|
|
yyval.dval = yystack.l_mark[-2].dval + yystack.l_mark[0].dval;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 11:
|
||
|
|
#line 85 "calc1.y"
|
||
|
|
{
|
||
|
|
yyval.dval = yystack.l_mark[-2].dval - yystack.l_mark[0].dval;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 12:
|
||
|
|
#line 89 "calc1.y"
|
||
|
|
{
|
||
|
|
yyval.dval = yystack.l_mark[-2].dval * yystack.l_mark[0].dval;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 13:
|
||
|
|
#line 93 "calc1.y"
|
||
|
|
{
|
||
|
|
yyval.dval = yystack.l_mark[-2].dval / yystack.l_mark[0].dval;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 14:
|
||
|
|
#line 97 "calc1.y"
|
||
|
|
{
|
||
|
|
yyval.dval = -yystack.l_mark[0].dval;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 15:
|
||
|
|
#line 101 "calc1.y"
|
||
|
|
{
|
||
|
|
yyval.dval = yystack.l_mark[-1].dval;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 16:
|
||
|
|
#line 107 "calc1.y"
|
||
|
|
{
|
||
|
|
yyval.vval.hi = yyval.vval.lo = yystack.l_mark[0].dval;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 17:
|
||
|
|
#line 111 "calc1.y"
|
||
|
|
{
|
||
|
|
yyval.vval.lo = yystack.l_mark[-3].dval;
|
||
|
|
yyval.vval.hi = yystack.l_mark[-1].dval;
|
||
|
|
if ( yyval.vval.lo > yyval.vval.hi )
|
||
|
|
{
|
||
|
|
(void) printf("interval out of order\n");
|
||
|
|
YYERROR;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 18:
|
||
|
|
#line 121 "calc1.y"
|
||
|
|
{
|
||
|
|
yyval.vval = vreg[yystack.l_mark[0].ival];
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 19:
|
||
|
|
#line 125 "calc1.y"
|
||
|
|
{
|
||
|
|
yyval.vval.hi = yystack.l_mark[-2].vval.hi + yystack.l_mark[0].vval.hi;
|
||
|
|
yyval.vval.lo = yystack.l_mark[-2].vval.lo + yystack.l_mark[0].vval.lo;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 20:
|
||
|
|
#line 130 "calc1.y"
|
||
|
|
{
|
||
|
|
yyval.vval.hi = yystack.l_mark[-2].dval + yystack.l_mark[0].vval.hi;
|
||
|
|
yyval.vval.lo = yystack.l_mark[-2].dval + yystack.l_mark[0].vval.lo;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 21:
|
||
|
|
#line 135 "calc1.y"
|
||
|
|
{
|
||
|
|
yyval.vval.hi = yystack.l_mark[-2].vval.hi - yystack.l_mark[0].vval.lo;
|
||
|
|
yyval.vval.lo = yystack.l_mark[-2].vval.lo - yystack.l_mark[0].vval.hi;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 22:
|
||
|
|
#line 140 "calc1.y"
|
||
|
|
{
|
||
|
|
yyval.vval.hi = yystack.l_mark[-2].dval - yystack.l_mark[0].vval.lo;
|
||
|
|
yyval.vval.lo = yystack.l_mark[-2].dval - yystack.l_mark[0].vval.hi;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 23:
|
||
|
|
#line 145 "calc1.y"
|
||
|
|
{
|
||
|
|
yyval.vval = vmul( yystack.l_mark[-2].vval.lo, yystack.l_mark[-2].vval.hi, yystack.l_mark[0].vval );
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 24:
|
||
|
|
#line 149 "calc1.y"
|
||
|
|
{
|
||
|
|
yyval.vval = vmul (yystack.l_mark[-2].dval, yystack.l_mark[-2].dval, yystack.l_mark[0].vval );
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 25:
|
||
|
|
#line 153 "calc1.y"
|
||
|
|
{
|
||
|
|
if (dcheck(yystack.l_mark[0].vval)) YYERROR;
|
||
|
|
yyval.vval = vdiv ( yystack.l_mark[-2].vval.lo, yystack.l_mark[-2].vval.hi, yystack.l_mark[0].vval );
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 26:
|
||
|
|
#line 158 "calc1.y"
|
||
|
|
{
|
||
|
|
if (dcheck ( yystack.l_mark[0].vval )) YYERROR;
|
||
|
|
yyval.vval = vdiv (yystack.l_mark[-2].dval, yystack.l_mark[-2].dval, yystack.l_mark[0].vval );
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 27:
|
||
|
|
#line 163 "calc1.y"
|
||
|
|
{
|
||
|
|
yyval.vval.hi = -yystack.l_mark[0].vval.lo;
|
||
|
|
yyval.vval.lo = -yystack.l_mark[0].vval.hi;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 28:
|
||
|
|
#line 168 "calc1.y"
|
||
|
|
{
|
||
|
|
yyval.vval = yystack.l_mark[-1].vval;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
#line 853 "calc1.tab.c"
|
||
|
|
}
|
||
|
|
yystack.s_mark -= yym;
|
||
|
|
yystate = *yystack.s_mark;
|
||
|
|
yystack.l_mark -= yym;
|
||
|
|
yym = yylhs[yyn];
|
||
|
|
if (yystate == 0 && yym == 0)
|
||
|
|
{
|
||
|
|
#if YYDEBUG
|
||
|
|
if (yydebug)
|
||
|
|
printf("%sdebug: after reduction, shifting from state 0 to\
|
||
|
|
state %d\n", YYPREFIX, YYFINAL);
|
||
|
|
#endif
|
||
|
|
yystate = YYFINAL;
|
||
|
|
*++yystack.s_mark = YYFINAL;
|
||
|
|
*++yystack.l_mark = yyval;
|
||
|
|
if (yychar < 0)
|
||
|
|
{
|
||
|
|
if ((yychar = YYLEX) < 0) yychar = 0;
|
||
|
|
#if YYDEBUG
|
||
|
|
if (yydebug)
|
||
|
|
{
|
||
|
|
yys = 0;
|
||
|
|
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
|
||
|
|
if (!yys) yys = "illegal-symbol";
|
||
|
|
printf("%sdebug: state %d, reading %d (%s)\n",
|
||
|
|
YYPREFIX, YYFINAL, yychar, yys);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
if (yychar == 0) goto yyaccept;
|
||
|
|
goto yyloop;
|
||
|
|
}
|
||
|
|
if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
|
||
|
|
yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
|
||
|
|
yystate = yytable[yyn];
|
||
|
|
else
|
||
|
|
yystate = yydgoto[yym];
|
||
|
|
#if YYDEBUG
|
||
|
|
if (yydebug)
|
||
|
|
printf("%sdebug: after reduction, shifting from state %d \
|
||
|
|
to state %d\n", YYPREFIX, *yystack.s_mark, yystate);
|
||
|
|
#endif
|
||
|
|
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack))
|
||
|
|
{
|
||
|
|
goto yyoverflow;
|
||
|
|
}
|
||
|
|
*++yystack.s_mark = (short) yystate;
|
||
|
|
*++yystack.l_mark = yyval;
|
||
|
|
goto yyloop;
|
||
|
|
|
||
|
|
yyoverflow:
|
||
|
|
yyerror("yacc stack overflow");
|
||
|
|
|
||
|
|
yyabort:
|
||
|
|
yyfreestack(&yystack);
|
||
|
|
return (1);
|
||
|
|
|
||
|
|
yyaccept:
|
||
|
|
yyfreestack(&yystack);
|
||
|
|
return (0);
|
||
|
|
}
|