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📄 big_b.error(1 KB)
📄 big_b.output(0 B)
📄 big_l.error(1 KB)
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📄 calc.error(0 B)
📄 calc.output(6.73 KB)
📄 calc.tab.c(17.35 KB)
📄 calc.tab.h(56 B)
📄 calc1.error(89 B)
📄 calc1.output(14.95 KB)
📄 calc1.tab.c(21.95 KB)
📄 calc1.tab.h(338 B)
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📄 calc2.output(6.73 KB)
📄 calc2.tab.c(17.85 KB)
📄 calc2.tab.h(56 B)
📄 calc3.error(0 B)
📄 calc3.output(6.73 KB)
📄 calc3.tab.c(18.15 KB)
📄 calc3.tab.h(56 B)
📄 calc_code_all.error(0 B)
📄 calc_code_all.output(6.73 KB)
📄 calc_code_all.tab.c(18.37 KB)
📄 calc_code_all.tab.h(334 B)
📄 calc_code_default.error(0 B)
📄 calc_code_default.output(6.73 KB)
📄 calc_code_default.tab.c(18.08 KB)
📄 calc_code_default.tab.h(56 B)
📄 calc_code_imports.error(0 B)
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📄 calc_code_imports.tab.c(17.9 KB)
📄 calc_code_imports.tab.h(56 B)
📄 calc_code_provides.error(0 B)
📄 calc_code_provides.output(6.73 KB)
📄 calc_code_provides.tab.c(18.14 KB)
📄 calc_code_provides.tab.h(229 B)
📄 calc_code_requires.error(0 B)
📄 calc_code_requires.output(6.73 KB)
📄 calc_code_requires.tab.c(18.14 KB)
📄 calc_code_requires.tab.h(229 B)
📄 calc_code_top.error(0 B)
📄 calc_code_top.output(6.73 KB)
📄 calc_code_top.tab.c(17.9 KB)
📄 calc_code_top.tab.h(56 B)
📄 code_calc.code.c(12.73 KB)
📄 code_calc.error(0 B)
📄 code_calc.output(6.73 KB)
📄 code_calc.tab.c(5.12 KB)
📄 code_calc.tab.h(94 B)
📄 code_error.code.c(10.84 KB)
📄 code_error.error(0 B)
📄 code_error.output(262 B)
📄 code_error.tab.c(1.27 KB)
📄 code_error.tab.h(0 B)
📄 defines1.calc.c(16.09 KB)
📄 defines1.calc.h(56 B)
📄 defines1.error(0 B)
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📄 defines2.calc.c(16.09 KB)
📄 defines2.calc.h(56 B)
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📄 defines3.calc.c(16.1 KB)
📄 defines3.calc.h(56 B)
📄 defines3.error(0 B)
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📄 empty.error(0 B)
📄 empty.output(237 B)
📄 empty.tab.c(11.73 KB)
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📄 err_syntax1.error(61 B)
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📄 err_syntax1.tab.c(442 B)
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📄 err_syntax10.tab.c(11.76 KB)
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📄 err_syntax11.tab.c(11.91 KB)
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📄 err_syntax12.tab.c(12.33 KB)
📄 err_syntax12.tab.h(17 B)
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📄 err_syntax13.tab.c(442 B)
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📄 err_syntax15.tab.c(442 B)
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📄 err_syntax17.tab.c(442 B)
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📄 err_syntax18.tab.c(12.1 KB)
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📄 err_syntax19.tab.c(442 B)
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📄 err_syntax2.error(63 B)
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📄 err_syntax2.tab.c(442 B)
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📄 err_syntax20.error(40 B)
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📄 err_syntax20.tab.c(11.96 KB)
📄 err_syntax20.tab.h(18 B)
📄 err_syntax21.error(55 B)
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📄 err_syntax21.tab.c(442 B)
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📄 err_syntax22.tab.c(442 B)
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📄 err_syntax23.tab.c(442 B)
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📄 err_syntax24.error(157 B)
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📄 err_syntax24.tab.c(442 B)
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📄 err_syntax25.tab.c(442 B)
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📄 err_syntax3.tab.c(442 B)
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📄 err_syntax4.tab.c(442 B)
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📄 err_syntax5.tab.c(442 B)
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📄 err_syntax6.error(85 B)
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📄 err_syntax6.tab.c(442 B)
📄 err_syntax6.tab.h(0 B)
📄 err_syntax7.error(95 B)
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📄 err_syntax7.tab.c(442 B)
📄 err_syntax7.tab.h(0 B)
📄 err_syntax7a.error(97 B)
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📄 err_syntax7a.tab.c(442 B)
📄 err_syntax7a.tab.h(0 B)
📄 err_syntax7b.error(95 B)
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📄 err_syntax7b.tab.c(442 B)
📄 err_syntax7b.tab.h(0 B)
📄 err_syntax8.error(72 B)
📄 err_syntax8.output(0 B)
📄 err_syntax8.tab.c(442 B)
📄 err_syntax8.tab.h(0 B)
📄 err_syntax8a.error(77 B)
📄 err_syntax8a.output(0 B)
📄 err_syntax8a.tab.c(442 B)
📄 err_syntax8a.tab.h(0 B)
📄 err_syntax9.error(94 B)
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📄 err_syntax9.tab.c(442 B)
📄 err_syntax9.tab.h(0 B)
📄 error.error(0 B)
📄 error.output(262 B)
📄 error.tab.c(11.72 KB)
📄 error.tab.h(0 B)
📄 expr.oxout.error(72 B)
📄 expr.oxout.output(2.67 KB)
📄 expr.oxout.tab.c(44.72 KB)
📄 expr.oxout.tab.h(337 B)
📄 grammar.dot(93.78 KB)
📄 grammar.error(59 B)
📄 grammar.output(43.3 KB)
📄 grammar.tab.c(63.41 KB)
📄 grammar.tab.h(771 B)
📄 help.error(985 B)
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📄 no_b_opt.error(985 B)
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📄 no_b_opt1.error(37 B)
📄 no_b_opt1.output(0 B)
📄 no_code_c.error(37 B)
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📄 no_defines.error(37 B)
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📄 no_graph.error(39 B)
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📄 no_opts.error(37 B)
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📄 no_p_opt.error(985 B)
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📄 no_p_opt1.error(37 B)
📄 no_p_opt1.output(0 B)
📄 no_verbose.error(42 B)
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📄 nostdin.error(965 B)
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📄 ok_syntax1.error(0 B)
📄 ok_syntax1.output(6.73 KB)
📄 ok_syntax1.tab.c(19.03 KB)
📄 ok_syntax1.tab.h(514 B)
📄 pure_calc.error(0 B)
📄 pure_calc.output(6.73 KB)
📄 pure_calc.tab.c(17.89 KB)
📄 pure_calc.tab.h(56 B)
📄 pure_error.error(0 B)
📄 pure_error.output(262 B)
📄 pure_error.tab.c(12.22 KB)
📄 pure_error.tab.h(0 B)
📄 quote_calc-s.error(33 B)
📄 quote_calc-s.output(11.1 KB)
📄 quote_calc-s.tab.c(18.3 KB)
📄 quote_calc-s.tab.h(170 B)
📄 quote_calc.error(33 B)
📄 quote_calc.output(11.1 KB)
📄 quote_calc.tab.c(18.39 KB)
📄 quote_calc.tab.h(266 B)
📄 quote_calc2-s.error(33 B)
📄 quote_calc2-s.output(10.88 KB)
📄 quote_calc2-s.tab.c(18.36 KB)
📄 quote_calc2-s.tab.h(170 B)
📄 quote_calc2.error(33 B)
📄 quote_calc2.output(10.88 KB)
📄 quote_calc2.tab.c(18.45 KB)
📄 quote_calc2.tab.h(266 B)
📄 quote_calc3-s.error(33 B)
📄 quote_calc3-s.output(11.1 KB)
📄 quote_calc3-s.tab.c(18.4 KB)
📄 quote_calc3-s.tab.h(170 B)
📄 quote_calc3.error(33 B)
📄 quote_calc3.output(11.1 KB)
📄 quote_calc3.tab.c(18.39 KB)
📄 quote_calc3.tab.h(170 B)
📄 quote_calc4-s.error(33 B)
📄 quote_calc4-s.output(12.85 KB)
📄 quote_calc4-s.tab.c(18.48 KB)
📄 quote_calc4-s.tab.h(170 B)
📄 quote_calc4.error(33 B)
📄 quote_calc4.output(12.85 KB)
📄 quote_calc4.tab.c(18.47 KB)
📄 quote_calc4.tab.h(170 B)
📄 rename_debug.c(9.51 KB)
📄 rename_debug.error(0 B)
📄 rename_debug.h(22 B)
📄 rename_debug.i(1.26 KB)
📄 rename_debug.output(262 B)
📄 stdin1.calc.c(16.11 KB)
📄 stdin1.error(0 B)
📄 stdin1.output(0 B)
📄 stdin2.calc.c(16.11 KB)
📄 stdin2.error(0 B)
📄 stdin2.output(0 B)
📄 varsyntax_calc1.error(89 B)
📄 varsyntax_calc1.output(14.95 KB)
📄 varsyntax_calc1.tab.c(22.63 KB)
📄 varsyntax_calc1.tab.h(432 B)

Editing: stdin2.calc.c

/* original parser id follows */
/* yysccsid[] = "@(#)yaccpar	1.9 (Berkeley) 02/21/93" */
/* (use YYMAJOR/YYMINOR for ifdefs dependent on parser version) */

#define YYBYACC 1
#define YYMAJOR 1
#define YYMINOR 9
#define YYCHECK "yyyymmdd"

#define YYEMPTY        (-1)
#define yyclearin      (yychar = YYEMPTY)
#define yyerrok        (yyerrflag = 0)
#define YYRECOVERING() (yyerrflag != 0)
#define YYENOMEM       (-2)
#define YYEOF          0
#define YYPREFIX "yy"

#define YYPURE 0

#line 2 "calc.y"
# include <stdio.h>
# include <ctype.h>

int regs[26];
int base;

extern int yylex(void);
static void yyerror(const char *s);

#line 31 "stdin2.calc.c"

#if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED)
/* Default: YYSTYPE is the semantic value type. */
typedef int YYSTYPE;
# define YYSTYPE_IS_DECLARED 1
#endif

/* compatibility with bison */
#ifdef YYPARSE_PARAM
/* compatibility with FreeBSD */
# ifdef YYPARSE_PARAM_TYPE
#  define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
# else
#  define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
# endif
#else
# define YYPARSE_DECL() yyparse(void)
#endif

/* Parameters sent to lex. */
#ifdef YYLEX_PARAM
# define YYLEX_DECL() yylex(void *YYLEX_PARAM)
# define YYLEX yylex(YYLEX_PARAM)
#else
# define YYLEX_DECL() yylex(void)
# define YYLEX yylex()
#endif

#if !(defined(yylex) || defined(YYSTATE))
int YYLEX_DECL();
#endif

/* Parameters sent to yyerror. */
#ifndef YYERROR_DECL
#define YYERROR_DECL() yyerror(const char *s)
#endif
#ifndef YYERROR_CALL
#define YYERROR_CALL(msg) yyerror(msg)
#endif

extern int YYPARSE_DECL();

#define DIGIT 257
#define LETTER 258
#define UMINUS 259
#define YYERRCODE 256
typedef int YYINT;
static const YYINT yylhs[] = {                           -1,
    0,    0,    0,    1,    1,    2,    2,    2,    2,    2,
    2,    2,    2,    2,    2,    2,    3,    3,
};
static const YYINT yylen[] = {                            2,
    0,    3,    3,    1,    3,    3,    3,    3,    3,    3,
    3,    3,    3,    2,    1,    1,    1,    2,
};
static const YYINT yydefred[] = {                         1,
    0,    0,   17,    0,    0,    0,    0,    0,    0,    3,
    0,   15,   14,    0,    2,    0,    0,    0,    0,    0,
    0,    0,   18,    0,    6,    0,    0,    0,    0,    9,
   10,   11,
};
static const YYINT yydgoto[] = {                          1,
    7,    8,    9,
};
static const YYINT yysindex[] = {                         0,
  -40,   -7,    0,  -55,  -38,  -38,    1,  -29, -247,    0,
  -38,    0,    0,   22,    0,  -38,  -38,  -38,  -38,  -38,
  -38,  -38,    0,  -29,    0,   51,   60,  -20,  -20,    0,
    0,    0,
};
static const YYINT yyrindex[] = {                         0,
    0,    0,    0,    2,    0,    0,    0,    9,   -9,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,   10,    0,   -6,   14,    5,   13,    0,
    0,    0,
};
static const YYINT yygindex[] = {                         0,
    0,   65,    0,
};
#define YYTABLESIZE 220
static const YYINT yytable[] = {                          6,
   16,    6,   10,   13,    5,   11,    5,   22,   17,   23,
   15,   15,   20,   18,    7,   19,   22,   21,    4,    5,
    0,   20,    8,   12,    0,    0,   21,   16,   16,    0,
    0,   16,   16,   16,   13,   16,    0,   16,   15,   15,
    0,    0,    7,   15,   15,    7,   15,    7,   15,    7,
    8,   12,    0,    8,   12,    8,    0,    8,   22,   17,
    0,    0,   25,   20,   18,    0,   19,    0,   21,   13,
   14,    0,    0,    0,    0,   24,    0,    0,    0,    0,
   26,   27,   28,   29,   30,   31,   32,   22,   17,    0,
    0,    0,   20,   18,   16,   19,   22,   21,    0,    0,
    0,   20,   18,    0,   19,    0,   21,    0,    0,    0,
    0,    0,    0,    0,   16,    0,    0,   13,    0,    0,
    0,    0,    0,    0,    0,   15,    0,    0,    7,    0,
    0,    0,    0,    0,    0,    0,    8,   12,    0,    0,
    0,    0,    0,    0,    0,   16,    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,    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,    2,    3,    4,    3,   12,
};
static const YYINT yycheck[] = {                         40,
   10,   40,   10,   10,   45,   61,   45,   37,   38,  257,
   10,   10,   42,   43,   10,   45,   37,   47,   10,   10,
   -1,   42,   10,   10,   -1,   -1,   47,   37,   38,   -1,
   -1,   41,   42,   43,   41,   45,   -1,   47,   37,   38,
   -1,   -1,   38,   42,   43,   41,   45,   43,   47,   45,
   38,   38,   -1,   41,   41,   43,   -1,   45,   37,   38,
   -1,   -1,   41,   42,   43,   -1,   45,   -1,   47,    5,
    6,   -1,   -1,   -1,   -1,   11,   -1,   -1,   -1,   -1,
   16,   17,   18,   19,   20,   21,   22,   37,   38,   -1,
   -1,   -1,   42,   43,  124,   45,   37,   47,   -1,   -1,
   -1,   42,   43,   -1,   45,   -1,   47,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,  124,   -1,   -1,  124,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,  124,   -1,   -1,  124,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,  124,  124,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,  124,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,  256,  257,  258,  257,  258,
};
#define YYFINAL 1
#ifndef YYDEBUG
#define YYDEBUG 0
#endif
#define YYMAXTOKEN 259
#define YYUNDFTOKEN 265
#define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
#if YYDEBUG
static const char *const yyname[] = {

"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,
0,0,0,0,0,0,"'%'","'&'",0,"'('","')'","'*'","'+'",0,"'-'",0,"'/'",0,0,0,0,0,0,0,
0,0,0,0,0,0,"'='",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"'|'",0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,"DIGIT","LETTER","UMINUS",0,0,0,0,0,"illegal-symbol",
};
static const char *const yyrule[] = {
"$accept : list",
"list :",
"list : list stat '\\n'",
"list : list error '\\n'",
"stat : expr",
"stat : LETTER '=' expr",
"expr : '(' expr ')'",
"expr : expr '+' expr",
"expr : expr '-' expr",
"expr : expr '*' expr",
"expr : expr '/' expr",
"expr : expr '%' expr",
"expr : expr '&' expr",
"expr : expr '|' expr",
"expr : '-' expr",
"expr : LETTER",
"expr : number",
"number : DIGIT",
"number : number DIGIT",

};
#endif

#if YYDEBUG
int      yydebug;
#endif

int      yyerrflag;
int      yychar;
YYSTYPE  yyval;
YYSTYPE  yylval;
int      yynerrs;

/* define the initial stack-sizes */
#ifdef YYSTACKSIZE
#undef YYMAXDEPTH
#define YYMAXDEPTH  YYSTACKSIZE
#else
#ifdef YYMAXDEPTH
#define YYSTACKSIZE YYMAXDEPTH
#else
#define YYSTACKSIZE 10000
#define YYMAXDEPTH  10000
#endif
#endif

#define YYINITSTACKSIZE 200

typedef struct {
    unsigned stacksize;
    YYINT    *s_base;
    YYINT    *s_mark;
    YYINT    *s_last;
    YYSTYPE  *l_base;
    YYSTYPE  *l_mark;
} YYSTACKDATA;
/* variables for the parser stack */
static YYSTACKDATA yystack;
#line 66 "calc.y"
 /* start of programs */

int
main (void)
{
    while(!feof(stdin)) {
	yyparse();
    }
    return 0;
}

static void
yyerror(const char *s)
{
    fprintf(stderr, "%s\n", s);
}

int
yylex(void)
{
	/* 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';
	return ( DIGIT );
    }
    return( c );
}
#line 280 "stdin2.calc.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;
    YYINT *newss;
    YYSTYPE *newvs;

if ((newsize = data->stacksize) == 0)
        newsize = YYINITSTACKSIZE;
    else if (newsize >= YYMAXDEPTH)
        return YYENOMEM;
    else if ((newsize *= 2) > YYMAXDEPTH)
        newsize = YYMAXDEPTH;

i = (int) (data->s_mark - data->s_base);
    newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));
    if (newss == 0)
        return YYENOMEM;

data->s_base = newss;
    data->s_mark = newss + i;

newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
    if (newvs == 0)
        return YYENOMEM;

data->l_base = newvs;
    data->l_mark = newvs + i;

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

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;
    yystate = 0;
    *yystack.s_mark = 0;

yyloop:
    if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
    if (yychar < 0)
    {
        yychar = YYLEX;
        if (yychar < 0) yychar = YYEOF;
#if YYDEBUG
        if (yydebug)
        {
            if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
            printf("%sdebug: state %d, reading %d (%s)\n",
                    YYPREFIX, yystate, yychar, yys);
        }
#endif
    }
    if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
            yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) 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) == YYENOMEM) 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]) != 0) && (yyn += yychar) >= 0 &&
            yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
    {
        yyn = yytable[yyn];
        goto yyreduce;
    }
    if (yyerrflag != 0) goto yyinrecovery;

YYERROR_CALL("syntax error");

goto yyerrlab; /* redundant goto avoids 'unused label' warning */
yyerrlab:
    ++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)
                    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) == YYENOMEM) 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 == YYEOF) goto yyabort;
#if YYDEBUG
        if (yydebug)
        {
            if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
            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 > 0)
        yyval = yystack.l_mark[1-yym];
    else
        memset(&yyval, 0, sizeof yyval);

switch (yyn)
    {
case 3:
#line 28 "calc.y"
	{  yyerrok ; }
break;
case 4:
#line 32 "calc.y"
	{  printf("%d\n",yystack.l_mark[0]);}
break;
case 5:
#line 34 "calc.y"
	{  regs[yystack.l_mark[-2]] = yystack.l_mark[0]; }
break;
case 6:
#line 38 "calc.y"
	{  yyval = yystack.l_mark[-1]; }
break;
case 7:
#line 40 "calc.y"
	{  yyval = yystack.l_mark[-2] + yystack.l_mark[0]; }
break;
case 8:
#line 42 "calc.y"
	{  yyval = yystack.l_mark[-2] - yystack.l_mark[0]; }
break;
case 9:
#line 44 "calc.y"
	{  yyval = yystack.l_mark[-2] * yystack.l_mark[0]; }
break;
case 10:
#line 46 "calc.y"
	{  yyval = yystack.l_mark[-2] / yystack.l_mark[0]; }
break;
case 11:
#line 48 "calc.y"
	{  yyval = yystack.l_mark[-2] % yystack.l_mark[0]; }
break;
case 12:
#line 50 "calc.y"
	{  yyval = yystack.l_mark[-2] & yystack.l_mark[0]; }
break;
case 13:
#line 52 "calc.y"
	{  yyval = yystack.l_mark[-2] | yystack.l_mark[0]; }
break;
case 14:
#line 54 "calc.y"
	{  yyval = - yystack.l_mark[0]; }
break;
case 15:
#line 56 "calc.y"
	{  yyval = regs[yystack.l_mark[0]]; }
break;
case 17:
#line 61 "calc.y"
	{  yyval = yystack.l_mark[0]; base = (yystack.l_mark[0]==0) ? 8 : 10; }
break;
case 18:
#line 63 "calc.y"
	{  yyval = base * yystack.l_mark[-1] + yystack.l_mark[0]; }
break;
#line 539 "stdin2.calc.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)
        {
            yychar = YYLEX;
            if (yychar < 0) yychar = YYEOF;
#if YYDEBUG
            if (yydebug)
            {
                if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
                printf("%sdebug: state %d, reading %d (%s)\n",
                        YYPREFIX, 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)
        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) == YYENOMEM) goto yyoverflow;
    *++yystack.s_mark = (YYINT) yystate;
    *++yystack.l_mark = yyval;
    goto yyloop;

yyoverflow:
    YYERROR_CALL("yacc stack overflow");

yyabort:
    yyfreestack(&yystack);
    return (1);

yyaccept:
    yyfreestack(&yystack);
    return (0);
}

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