extern char *malloc(), *realloc();
# define number 257
# define stop 258
# define DEFINED 259
# define EQ 260
# define NE 261
# define LE 262
# define GE 263
# define LS 264
# define RS 265
# define ANDAND 266
# define OROR 267
# define UMINUS 268
#define yyclearin yychar = -1
#define yyerrok yyerrflag = 0
extern int yychar;
extern int yyerrflag;
#ifndef YYMAXDEPTH
#define YYMAXDEPTH 150
#endif
#ifndef YYSTYPE
#define YYSTYPE int
#endif
YYSTYPE yylval, yyval;
# define YYERRCODE 256
# line 82 "cpy.y"
# include "yylex.c"
int yyexca[] ={
-1, 1,
0, -1,
-2, 0,
-1, 44,
262, 0,
263, 0,
60, 0,
62, 0,
-2, 9,
-1, 45,
262, 0,
263, 0,
60, 0,
62, 0,
-2, 10,
-1, 46,
262, 0,
263, 0,
60, 0,
62, 0,
-2, 11,
-1, 47,
262, 0,
263, 0,
60, 0,
62, 0,
-2, 12,
-1, 48,
260, 0,
261, 0,
-2, 13,
-1, 49,
260, 0,
261, 0,
-2, 14,
};
# define YYNPROD 30
# define YYLAST 363
int yyact[]={
13, 24, 35, 58, 13, 11, 14, 30, 15, 11,
12, 60, 13, 24, 12, 1, 57, 11, 14, 30,
15, 59, 12, 18, 13, 19, 29, 0, 0, 11,
14, 0, 15, 0, 12, 18, 3, 19, 29, 13,
24, 31, 32, 33, 11, 14, 30, 15, 0, 12,
13, 24, 0, 0, 0, 11, 14, 25, 15, 5,
12, 0, 18, 0, 19, 29, 7, 0, 0, 25,
0, 4, 0, 18, 0, 19, 29, 0, 13, 24,
0, 0, 0, 11, 14, 0, 15, 26, 12, 0,
0, 0, 13, 24, 0, 0, 25, 11, 14, 26,
15, 18, 12, 19, 13, 24, 0, 25, 0, 11,
14, 0, 15, 13, 12, 18, 0, 19, 11, 14,
0, 15, 0, 12, 0, 0, 26, 18, 0, 19,
0, 0, 0, 0, 13, 25, 18, 26, 19, 11,
14, 0, 15, 0, 12, 13, 0, 0, 0, 25,
11, 14, 6, 15, 0, 12, 0, 18, 0, 19,
0, 0, 0, 0, 0, 26, 0, 0, 0, 0,
0, 0, 2, 0, 0, 0, 0, 0, 0, 26,
34, 0, 0, 0, 37, 38, 39, 40, 41, 42,
43, 44, 45, 46, 47, 48, 49, 50, 51, 52,
53, 54, 55, 56, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 36,
0, 0, 0, 22, 23, 20, 21, 16, 17, 27,
28, 0, 61, 0, 0, 22, 23, 20, 21, 16,
17, 27, 28, 0, 0, 0, 0, 0, 0, 0,
0, 16, 17, 0, 0, 0, 0, 0, 0, 0,
10, 0, 22, 23, 20, 21, 16, 17, 27, 28,
0, 0, 0, 22, 23, 20, 21, 16, 17, 27,
28, 0, 0, 9, 0, 8, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 22, 23, 20, 21, 16, 17, 27, 0, 0,
0, 0, 0, 0, 0, 22, 23, 20, 21, 16,
17, 0, 0, 0, 0, 0, 0, 22, 23, 20,
21, 16, 17, 0, 0, 0, 22, 23, 20, 21,
16, 17, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 20,
21, 16, 17 };
int yypact[]={
26, -1000, 2, -1000, 26, 26, 26, 26, -38, -1000,
-1000, 26, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
26, -1000, -1000, -1000, -25, -254, -1000, -1000, -1000, -1000,
-33, -33, 108, 108, -13, -13, -13, -13, 97, 97,
76, 67, 67, 55, 41, -37, 13, -1000, -30, 26,
-1000, 13 };
int yypgo[]={
0, 15, 172, 36 };
int yyr1[]={
0, 1, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 3, 3, 3, 3, 3, 3, 3 };
int yyr2[]={
0, 5, 7, 7, 7, 7, 7, 7, 7, 7,
7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
11, 7, 3, 5, 5, 5, 7, 9, 5, 3 };
int yychk[]={
-1000, -1, -2, -3, 45, 33, 126, 40, 259, 257,
258, 42, 47, 37, 43, 45, 264, 265, 60, 62,
262, 263, 260, 261, 38, 94, 124, 266, 267, 63,
44, -3, -3, -3, -2, 40, 257, -2, -2, -2,
-2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
-2, -2, -2, -2, -2, -2, -2, 41, 257, 58,
41, -2 };
int yydef[]={
0, -2, 0, 22, 0, 0, 0, 0, 0, 29,
1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 23, 24, 25, 0, 0, 28, 2, 3, 4,
5, 6, 7, 8, -2, -2, -2, -2, -2, -2,
15, 16, 17, 18, 19, 0, 21, 26, 0, 0,
27, 20 };
typedef struct { char *t_name; int t_val; } yytoktype;
#ifndef YYDEBUG
# define YYDEBUG 0 /* don't allow debugging */
#endif
#if YYDEBUG
yytoktype yytoks[] =
{
"number", 257,
"stop", 258,
"DEFINED", 259,
"EQ", 260,
"NE", 261,
"LE", 262,
"GE", 263,
"LS", 264,
"RS", 265,
"ANDAND", 266,
"OROR", 267,
",", 44,
"=", 61,
"?", 63,
":", 58,
"|", 124,
"^", 94,
"&", 38,
"<", 60,
">", 62,
"+", 43,
"-", 45,
"*", 42,
"/", 47,
"%", 37,
"!", 33,
"~", 126,
"UMINUS", 268,
"(", 40,
".", 46,
"-unknown-", -1 /* ends search */
};
char * yyreds[] =
{
"-no such reduction-",
"S : e stop",
"e : e '*' e",
"e : e '/' e",
"e : e '%' e",
"e : e '+' e",
"e : e '-' e",
"e : e LS e",
"e : e RS e",
"e : e '<' e",
"e : e '>' e",
"e : e LE e",
"e : e GE e",
"e : e EQ e",
"e : e NE e",
"e : e '&' e",
"e : e '^' e",
"e : e '|' e",
"e : e ANDAND e",
"e : e OROR e",
"e : e '?' e ':' e",
"e : e ',' e",
"e : term",
"term : '-' term",
"term : '!' term",
"term : '~' term",
"term : '(' e ')'",
"term : DEFINED '(' number ')'",
"term : DEFINED number",
"term : number",
};
#endif /* YYDEBUG */
#line 1 "/usr/lib/yaccpar"
/* @(#)yaccpar 1.10 89/04/04 SMI; from S5R3 1.10 */
/*
** Skeleton parser driver for yacc output
*/
/*
** yacc user known macros and defines
*/
#define YYERROR goto yyerrlab
#define YYACCEPT { free(yys); free(yyv); return(0); }
#define YYABORT { free(yys); free(yyv); return(1); }
#define YYBACKUP( newtoken, newvalue )\
{\
if ( yychar >= 0 || ( yyr2[ yytmp ] >> 1 ) != 1 )\
{\
yyerror( "syntax error - cannot backup" );\
goto yyerrlab;\
}\
yychar = newtoken;\
yystate = *yyps;\
yylval = newvalue;\
goto yynewstate;\
}
#define YYRECOVERING() (!!yyerrflag)
#ifndef YYDEBUG
# define YYDEBUG 1 /* make debugging available */
#endif
/*
** user known globals
*/
int yydebug; /* set to 1 to get debugging */
/*
** driver internal defines
*/
#define YYFLAG (-1000)
/*
** static variables used by the parser
*/
static YYSTYPE *yyv; /* value stack */
static int *yys; /* state stack */
static YYSTYPE *yypv; /* top of value stack */
static int *yyps; /* top of state stack */
static int yystate; /* current state */
static int yytmp; /* extra var (lasts between blocks) */
int yynerrs; /* number of errors */
int yyerrflag; /* error recovery flag */
int yychar; /* current input token number */
/*
** yyparse - return 0 if worked, 1 if syntax error not recovered from
*/
int
yyparse()
{
register YYSTYPE *yypvt; /* top of value stack for $vars */
unsigned yymaxdepth = YYMAXDEPTH;
/*
** Initialize externals - yyparse may be called more than once
*/
yyv = (YYSTYPE*)malloc(yymaxdepth*sizeof(YYSTYPE));
yys = (int*)malloc(yymaxdepth*sizeof(int));
if (!yyv || !yys)
{
yyerror( "out of memory" );
return(1);
}
yypv = &yyv[-1];
yyps = &yys[-1];
yystate = 0;
yytmp = 0;
yynerrs = 0;
yyerrflag = 0;
yychar = -1;
goto yystack;
{
register YYSTYPE *yy_pv; /* top of value stack */
register int *yy_ps; /* top of state stack */
register int yy_state; /* current state */
register int yy_n; /* internal state number info */
/*
** get globals into registers.
** branch to here only if YYBACKUP was called.
*/
yynewstate:
yy_pv = yypv;
yy_ps = yyps;
yy_state = yystate;
goto yy_newstate;
/*
** get globals into registers.
** either we just started, or we just finished a reduction
*/
yystack:
yy_pv = yypv;
yy_ps = yyps;
yy_state = yystate;
/*
** top of for (;;) loop while no reductions done
*/
yy_stack:
/*
** put a state and value onto the stacks
*/
#if YYDEBUG
/*
** if debugging, look up token value in list of value vs.
** name pairs. 0 and negative (-1) are special values.
** Note: linear search is used since time is not a real
** consideration while debugging.
*/
if ( yydebug )
{
register int yy_i;
(void)printf( "State %d, token ", yy_state );
if ( yychar == 0 )
(void)printf( "end-of-file\n" );
else if ( yychar < 0 )
(void)printf( "-none-\n" );
else
{
for ( yy_i = 0; yytoks[yy_i].t_val >= 0;
yy_i++ )
{
if ( yytoks[yy_i].t_val == yychar )
break;
}
(void)printf( "%s\n", yytoks[yy_i].t_name );
}
}
#endif /* YYDEBUG */
if ( ++yy_ps >= &yys[ yymaxdepth ] ) /* room on stack? */
{
/*
** reallocate and recover. Note that pointers
** have to be reset, or bad things will happen
*/
int yyps_index = (yy_ps - yys);
int yypv_index = (yy_pv - yyv);
int yypvt_index = (yypvt - yyv);
yymaxdepth += YYMAXDEPTH;
yyv = (YYSTYPE*)realloc((char*)yyv,
yymaxdepth * sizeof(YYSTYPE));
yys = (int*)realloc((char*)yys,
yymaxdepth * sizeof(int));
if (!yyv || !yys)
{
yyerror( "yacc stack overflow" );
return(1);
}
yy_ps = yys + yyps_index;
yy_pv = yyv + yypv_index;
yypvt = yyv + yypvt_index;
}
*yy_ps = yy_state;
*++yy_pv = yyval;
/*
** we have a new state - find out what to do
*/
yy_newstate:
if ( ( yy_n = yypact[ yy_state ] ) <= YYFLAG )
goto yydefault; /* simple state */
#if YYDEBUG
/*
** if debugging, need to mark whether new token grabbed
*/
yytmp = yychar < 0;
#endif
if ( ( yychar < 0 ) && ( ( yychar = yylex() ) < 0 ) )
yychar = 0; /* reached EOF */
#if YYDEBUG
if ( yydebug && yytmp )
{
register int yy_i;
(void)printf( "Received token " );
if ( yychar == 0 )
(void)printf( "end-of-file\n" );
else if ( yychar < 0 )
(void)printf( "-none-\n" );
else
{
for ( yy_i = 0; yytoks[yy_i].t_val >= 0;
yy_i++ )
{
if ( yytoks[yy_i].t_val == yychar )
break;
}
(void)printf( "%s\n", yytoks[yy_i].t_name );
}
}
#endif /* YYDEBUG */
if ( ( ( yy_n += yychar ) < 0 ) || ( yy_n >= YYLAST ) )
goto yydefault;
if ( yychk[ yy_n = yyact[ yy_n ] ] == yychar ) /*valid shift*/
{
yychar = -1;
yyval = yylval;
yy_state = yy_n;
if ( yyerrflag > 0 )
yyerrflag--;
goto yy_stack;
}
yydefault:
if ( ( yy_n = yydef[ yy_state ] ) == -2 )
{
#if YYDEBUG
yytmp = yychar < 0;
#endif
if ( ( yychar < 0 ) && ( ( yychar = yylex() ) < 0 ) )
yychar = 0; /* reached EOF */
#if YYDEBUG
if ( yydebug && yytmp )
{
register int yy_i;
(void)printf( "Received token " );
if ( yychar == 0 )
(void)printf( "end-of-file\n" );
else if ( yychar < 0 )
(void)printf( "-none-\n" );
else
{
for ( yy_i = 0;
yytoks[yy_i].t_val >= 0;
yy_i++ )
{
if ( yytoks[yy_i].t_val
== yychar )
{
break;
}
}
(void)printf( "%s\n", yytoks[yy_i].t_name );
}
}
#endif /* YYDEBUG */
/*
** look through exception table
*/
{
register int *yyxi = yyexca;
while ( ( *yyxi != -1 ) ||
( yyxi[1] != yy_state ) )
{
yyxi += 2;
}
while ( ( *(yyxi += 2) >= 0 ) &&
( *yyxi != yychar ) )
;
if ( ( yy_n = yyxi[1] ) < 0 )
YYACCEPT;
}
}
/*
** check for syntax error
*/
if ( yy_n == 0 ) /* have an error */
{
/* no worry about speed here! */
switch ( yyerrflag )
{
case 0: /* new error */
yyerror( "syntax error" );
goto skip_init;
yyerrlab:
/*
** get globals into registers.
** we have a user generated syntax type error
*/
yy_pv = yypv;
yy_ps = yyps;
yy_state = yystate;
yynerrs++;
skip_init:
case 1:
case 2: /* incompletely recovered error */
/* try again... */
yyerrflag = 3;
/*
** find state where "error" is a legal
** shift action
*/
while ( yy_ps >= yys )
{
yy_n = yypact[ *yy_ps ] + YYERRCODE;
if ( yy_n >= 0 && yy_n < YYLAST &&
yychk[yyact[yy_n]] == YYERRCODE) {
/*
** simulate shift of "error"
*/
yy_state = yyact[ yy_n ];
goto yy_stack;
}
/*
** current state has no shift on
** "error", pop stack
*/
#if YYDEBUG
# define _POP_ "Error recovery pops state %d, uncovers state %d\n"
if ( yydebug )
(void)printf( _POP_, *yy_ps,
yy_ps[-1] );
# undef _POP_
#endif
yy_ps--;
yy_pv--;
}
/*
** there is no state on stack with "error" as
** a valid shift. give up.
*/
YYABORT;
case 3: /* no shift yet; eat a token */
#if YYDEBUG
/*
** if debugging, look up token in list of
** pairs. 0 and negative shouldn't occur,
** but since timing doesn't matter when
** debugging, it doesn't hurt to leave the
** tests here.
*/
if ( yydebug )
{
register int yy_i;
(void)printf( "Error recovery discards " );
if ( yychar == 0 )
(void)printf( "token end-of-file\n" );
else if ( yychar < 0 )
(void)printf( "token -none-\n" );
else
{
for ( yy_i = 0;
yytoks[yy_i].t_val >= 0;
yy_i++ )
{
if ( yytoks[yy_i].t_val
== yychar )
{
break;
}
}
(void)printf( "token %s\n",
yytoks[yy_i].t_name );
}
}
#endif /* YYDEBUG */
if ( yychar == 0 ) /* reached EOF. quit */
YYABORT;
yychar = -1;
goto yy_newstate;
}
}/* end if ( yy_n == 0 ) */
/*
** reduction by production yy_n
** put stack tops, etc. so things right after switch
*/
#if YYDEBUG
/*
** if debugging, print the string that is the user's
** specification of the reduction which is just about
** to be done.
*/
if ( yydebug )
(void)printf( "Reduce by (%d) \"%s\"\n",
yy_n, yyreds[ yy_n ] );
#endif
yytmp = yy_n; /* value to switch over */
yypvt = yy_pv; /* $vars top of value stack */
/*
** Look in goto table for next state
** Sorry about using yy_state here as temporary
** register variable, but why not, if it works...
** If yyr2[ yy_n ] doesn't have the low order bit
** set, then there is no action to be done for
** this reduction. So, no saving & unsaving of
** registers done. The only difference between the
** code just after the if and the body of the if is
** the goto yy_stack in the body. This way the test
** can be made before the choice of what to do is needed.
*/
{
/* length of production doubled with extra bit */
register int yy_len = yyr2[ yy_n ];
if ( !( yy_len & 01 ) )
{
yy_len >>= 1;
yyval = ( yy_pv -= yy_len )[1]; /* $$ = $1 */
yy_state = yypgo[ yy_n = yyr1[ yy_n ] ] +
*( yy_ps -= yy_len ) + 1;
if ( yy_state >= YYLAST ||
yychk[ yy_state =
yyact[ yy_state ] ] != -yy_n )
{
yy_state = yyact[ yypgo[ yy_n ] ];
}
goto yy_stack;
}
yy_len >>= 1;
yyval = ( yy_pv -= yy_len )[1]; /* $$ = $1 */
yy_state = yypgo[ yy_n = yyr1[ yy_n ] ] +
*( yy_ps -= yy_len ) + 1;
if ( yy_state >= YYLAST ||
yychk[ yy_state = yyact[ yy_state ] ] != -yy_n )
{
yy_state = yyact[ yypgo[ yy_n ] ];
}
}
/* save until reenter driver code */
yystate = yy_state;
yyps = yy_ps;
yypv = yy_pv;
}
/*
** code supplied by user is placed in this switch
*/
switch( yytmp )
{
case 1:
# line 22 "cpy.y"
{return(yypvt[-1]);} break;
case 2:
# line 26 "cpy.y"
{yyval = yypvt[-2] * yypvt[-0];} break;
case 3:
# line 28 "cpy.y"
{yyval = yypvt[-2] / yypvt[-0];} break;
case 4:
# line 30 "cpy.y"
{yyval = yypvt[-2] % yypvt[-0];} break;
case 5:
# line 32 "cpy.y"
{yyval = yypvt[-2] + yypvt[-0];} break;
case 6:
# line 34 "cpy.y"
{yyval = yypvt[-2] - yypvt[-0];} break;
case 7:
# line 36 "cpy.y"
{yyval = yypvt[-2] << yypvt[-0];} break;
case 8:
# line 38 "cpy.y"
{yyval = yypvt[-2] >> yypvt[-0];} break;
case 9:
# line 40 "cpy.y"
{yyval = yypvt[-2] < yypvt[-0];} break;
case 10:
# line 42 "cpy.y"
{yyval = yypvt[-2] > yypvt[-0];} break;
case 11:
# line 44 "cpy.y"
{yyval = yypvt[-2] <= yypvt[-0];} break;
case 12:
# line 46 "cpy.y"
{yyval = yypvt[-2] >= yypvt[-0];} break;
case 13:
# line 48 "cpy.y"
{yyval = yypvt[-2] == yypvt[-0];} break;
case 14:
# line 50 "cpy.y"
{yyval = yypvt[-2] != yypvt[-0];} break;
case 15:
# line 52 "cpy.y"
{yyval = yypvt[-2] & yypvt[-0];} break;
case 16:
# line 54 "cpy.y"
{yyval = yypvt[-2] ^ yypvt[-0];} break;
case 17:
# line 56 "cpy.y"
{yyval = yypvt[-2] | yypvt[-0];} break;
case 18:
# line 58 "cpy.y"
{yyval = yypvt[-2] && yypvt[-0];} break;
case 19:
# line 60 "cpy.y"
{yyval = yypvt[-2] || yypvt[-0];} break;
case 20:
# line 62 "cpy.y"
{yyval = yypvt[-4] ? yypvt[-2] : yypvt[-0];} break;
case 21:
# line 64 "cpy.y"
{yyval = yypvt[-0];} break;
case 22:
# line 66 "cpy.y"
{yyval = yypvt[-0];} break;
case 23:
# line 69 "cpy.y"
{yyval = -yypvt[-0];} break;
case 24:
# line 71 "cpy.y"
{yyval = !yypvt[-0];} break;
case 25:
# line 73 "cpy.y"
{yyval = ~yypvt[-0];} break;
case 26:
# line 75 "cpy.y"
{yyval = yypvt[-1];} break;
case 27:
# line 77 "cpy.y"
{yyval= yypvt[-1];} break;
case 28:
# line 79 "cpy.y"
{yyval = yypvt[-0];} break;
case 29:
# line 81 "cpy.y"
{yyval= yypvt[-0];} break;
}
goto yystack; /* reset registers in driver code */
}