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researchv10 Norman
static char SCCSID[] = "@(#) cgram.y: 2.1 83/08/02";
extern int yychar;
extern short yyerrflag;
YYSTYPE yylval, yyval;
extern int wloop_level;
extern int floop_level;
static int fake = 0;
static char fakename[NCHNAM+1];
NODE *
mkty( t, d, s ) unsigned t; {
return( block( 33, NIL, NIL, t, d, s ) );
}
NODE *
bdty( op, p, v ) NODE *p; {
register NODE *q;
q = block( op, p, NIL, INT, 0, INT );
switch( op ){
case UNARY 11:
case UNARY CALL:
break;
case 54:
q->in.right = bcon(v);
break;
case 2:
q->tn.rval = v;
break;
default:
cerror( "bad bdty" );
}
return( q );
}
dstash( n ){
if( curdim >= DIMTABSZ-1 ){
cerror( "dimension table overflow");
}
dimtab[ curdim++ ] = n;
}
savebc() {
if( psavbc > & asavbc[BCSZ-4 ] ){
cerror( "whiles, fors, etc. too deeply nested");
}
*psavbc++ = brklab;
*psavbc++ = contlab;
*psavbc++ = flostat;
*psavbc++ = swx;
flostat = 0;
}
resetbc(mask){
swx = *--psavbc;
flostat = *--psavbc | (flostat&mask);
contlab = *--psavbc;
brklab = *--psavbc;
}
addcase(p) NODE *p; {
p = optim( p );
if( p->in.op != 4 || p->tn.rval != NONAME){
uerror( "non-constant case expression");
return;
}
if( swp == swtab ){
uerror( "case not in switch");
return;
}
if( swp >= &swtab[SWITSZ] ){
cerror( "switch table overflow");
}
swp->sval = p->tn.lval;
deflab( swp->slab = getlab() );
++swp;
tfree(p);
}
adddef(){
if( swtab[swx].slab >= 0 ){
uerror( "duplicate default in switch");
return;
}
if( swp == swtab ){
uerror( "default not inside switch");
return;
}
deflab( swtab[swx].slab = getlab() );
}
swstart(){
if( swp >= &swtab[SWITSZ] ){
cerror( "switch table overflow");
}
swx = swp - swtab;
swp->slab = -1;
++swp;
}
swend(){
register struct sw *swbeg, *p, *q, *r, *r1;
CONSZ temp;
int tempi;
swbeg = &swtab[swx+1];
r1 = swbeg;
r = swp-1;
while( swbeg < r ){
for( q=swbeg; q<r; ++q ){
if( q->sval > (q+1)->sval ){
r1 = q+1;
temp = q->sval;
q->sval = r1->sval;
r1->sval = temp;
tempi = q->slab;
q->slab = r1->slab;
r1->slab = tempi;
}
}
r = r1;
r1 = swbeg;
}
for( p = swbeg+1; p<swp; ++p ){
if( p->sval == (p-1)->sval ){
uerror( "duplicate case in switch, %d", tempi=p->sval );
return;
}
}
reached = 1;
genswitch( swbeg-1, (int)(swp-swbeg) );
swp = swbeg-1;
}
short yyexca[] ={
-1, 1,
0, -1,
2, 20,
11, 20,
50, 20,
57, 20,
-2, 0,
-1, 21,
56, 80,
57, 80,
-2, 8,
-1, 25,
51, 68,
-2, 66,
-1, 26,
58, 77,
-2, 79,
-1, 28,
58, 78,
-2, 83,
-1, 34,
52, 43,
-2, 41,
-1, 36,
52, 35,
-2, 33,
-1, 56,
53, 47,
57, 47,
-2, 0,
};
short yyact[]={
234, 232, 70, 20, 290, 11, 10, 15, 78, 94,
101, 198, 7, 99, 253, 90, 88, 89, 29, 147,
81, 17, 98, 79, 132, 131, 80, 23, 29, 29,
311, 5, 93, 96, 236, 103, 58, 23, 23, 55,
22, 277, 83, 82, 50, 276, 65, 310, 245, 246,
250, 76, 252, 243, 244, 239, 251, 241, 255, 254,
84, 100, 85, 300, 109, 233, 24, 111, 163, 247,
293, 235, 9, 230, 272, 107, 24, 24, 133, 38,
262, 30, 271, 19, 191, 99, 148, 152, 140, 141,
142, 143, 144, 145, 98, 264, 75, 106, 156, 205,
92, 104, 38, 37, 52, 96, 56, 202, 112, 18,
156, 102, 201, 113, 285, 259, 166, 167, 168, 170,
172, 174, 176, 178, 179, 181, 183, 185, 186, 187,
188, 189, 155, 100, 114, 133, 110, 26, 193, 160,
162, 157, 190, 158, 136, 261, 138, 148, 224, 224,
161, 87, 90, 88, 89, 40, 68, 74, 149, 41,
192, 42, 44, 40, 139, 56, 195, 41, 137, 48,
208, 48, 209, 49, 210, 49, 211, 206, 212, 83,
82, 213, 64, 214, 257, 215, 48, 67, 217, 99,
49, 159, 133, 200, 95, 154, 35, 84, 98, 85,
33, 314, 228, 219, 204, 223, 29, 11, 10, 15,
231, 226, 227, 229, 297, 23, 218, 256, 222, 149,
196, 73, 258, 17, 281, 11, 109, 15, 4, 72,
63, 223, 199, 225, 200, 299, 42, 100, 44, 265,
266, 17, 268, 288, 270, 95, 274, 286, 11, 10,
15, 278, 153, 280, 24, 282, 71, 87, 90, 88,
89, 279, 269, 81, 17, 289, 79, 97, 248, 80,
291, 260, 28, 199, 153, 51, 287, 10, 53, 32,
294, 295, 28, 28, 121, 83, 82, 283, 8, 298,
253, 90, 88, 89, 275, 194, 81, 105, 31, 79,
304, 117, 80, 84, 21, 85, 291, 165, 309, 59,
308, 36, 273, 291, 34, 66, 315, 313, 83, 82,
249, 43, 45, 312, 245, 246, 250, 305, 252, 243,
244, 239, 251, 241, 255, 254, 84, 306, 85, 97,
109, 95, 267, 108, 118, 247, 119, 235, 134, 121,
27, 60, 123, 47, 69, 124, 46, 125, 203, 128,
221, 126, 127, 129, 115, 122, 117, 120, 118, 91,
119, 54, 57, 121, 164, 118, 123, 119, 207, 124,
121, 125, 62, 128, 61, 126, 127, 129, 115, 122,
117, 120, 39, 220, 116, 115, 130, 117, 120, 3,
2, 151, 86, 12, 118, 13, 119, 6, 25, 121,
14, 16, 123, 307, 242, 124, 240, 125, 116, 128,
130, 126, 127, 129, 115, 122, 117, 120, 118, 237,
119, 238, 1, 121, 0, 0, 0, 0, 0, 0,
118, 0, 119, 0, 0, 121, 0, 0, 123, 303,
117, 124, 0, 125, 116, 128, 130, 126, 127, 129,
115, 122, 117, 120, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 118, 0, 119, 0,
0, 121, 0, 0, 123, 302, 0, 124, 0, 125,
116, 128, 130, 126, 127, 129, 115, 122, 117, 120,
0, 118, 0, 119, 0, 0, 121, 0, 0, 0,
0, 0, 0, 0, 118, 0, 119, 0, 0, 121,
0, 301, 123, 117, 120, 124, 116, 125, 130, 128,
296, 126, 127, 129, 115, 122, 117, 120, 118, 0,
119, 0, 0, 121, 248, 0, 123, 0, 0, 124,
0, 125, 0, 128, 0, 126, 127, 129, 115, 122,
117, 120, 0, 118, 116, 119, 130, 0, 121, 0,
0, 123, 0, 0, 124, 0, 125, 0, 128, 0,
126, 127, 129, 115, 122, 117, 120, 0, 116, 292,
130, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 118, 0, 119, 0, 0, 121, 0,
0, 123, 284, 116, 124, 130, 125, 0, 128, 0,
126, 127, 129, 115, 122, 117, 120, 118, 0, 119,
0, 0, 121, 0, 0, 123, 0, 0, 124, 0,
125, 0, 128, 216, 126, 127, 129, 115, 122, 117,
120, 0, 0, 116, 263, 130, 0, 0, 0, 0,
0, 0, 0, 118, 0, 119, 0, 118, 121, 119,
0, 123, 121, 0, 124, 123, 125, 116, 128, 130,
126, 127, 129, 115, 122, 117, 120, 115, 122, 117,
120, 0, 0, 0, 0, 0, 0, 0, 0, 118,
0, 119, 0, 0, 121, 0, 0, 123, 197, 0,
124, 0, 125, 116, 128, 130, 126, 127, 129, 115,
122, 117, 120, 118, 0, 119, 0, 0, 121, 0,
0, 123, 0, 0, 124, 0, 125, 0, 128, 0,
126, 127, 129, 115, 122, 117, 120, 0, 0, 116,
0, 130, 87, 90, 88, 89, 0, 0, 81, 0,
0, 79, 0, 0, 80, 87, 90, 88, 89, 0,
0, 81, 0, 0, 79, 130, 0, 80, 0, 0,
83, 82, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 83, 82, 0, 0, 0, 84, 0,
85, 0, 0, 87, 90, 88, 89, 0, 184, 81,
0, 84, 79, 85, 0, 80, 87, 90, 88, 89,
0, 182, 81, 0, 0, 79, 0, 0, 80, 0,
0, 83, 82, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 83, 82, 0, 0, 0, 84,
0, 85, 0, 0, 87, 90, 88, 89, 0, 180,
81, 0, 84, 79, 85, 0, 80, 87, 90, 88,
89, 0, 177, 81, 0, 0, 79, 0, 0, 80,
0, 0, 83, 82, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 83, 82, 0, 0, 0,
84, 0, 85, 0, 0, 87, 90, 88, 89, 0,
175, 81, 0, 84, 79, 85, 0, 80, 87, 90,
88, 89, 0, 173, 81, 0, 0, 79, 0, 0,
80, 0, 0, 83, 82, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 83, 82, 0, 0,
0, 84, 0, 85, 0, 0, 87, 90, 88, 89,
0, 171, 81, 0, 84, 79, 85, 0, 80, 0,
87, 90, 88, 89, 169, 0, 81, 0, 0, 79,
0, 0, 80, 0, 83, 82, 0, 118, 0, 119,
0, 118, 121, 119, 0, 123, 121, 0, 83, 82,
125, 11, 84, 15, 85, 0, 135, 115, 122, 117,
120, 115, 122, 117, 120, 0, 84, 17, 85, 87,
90, 88, 89, 0, 0, 81, 0, 0, 79, 0,
0, 80, 87, 90, 88, 89, 0, 0, 81, 0,
0, 79, 0, 0, 80, 0, 0, 83, 82, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
83, 82, 0, 0, 0, 84, 0, 85, 0, 77,
87, 90, 88, 89, 0, 0, 81, 0, 84, 79,
85, 150, 80, 87, 90, 88, 89, 0, 0, 81,
0, 0, 79, 0, 0, 80, 0, 0, 83, 82,
0, 0, 118, 0, 119, 0, 0, 121, 0, 0,
123, 83, 82, 124, 0, 125, 84, 128, 85, 126,
127, 0, 115, 122, 117, 120, 0, 0, 118, 84,
119, 146, 0, 121, 0, 0, 123, 0, 0, 124,
0, 125, 0, 0, 0, 126, 0, 0, 115, 122,
117, 120, 118, 0, 119, 0, 0, 121, 0, 0,
123, 0, 0, 124, 0, 125, 0, 0, 0, 0,
0, 0, 115, 122, 117, 120 };
short yypact[]={
-1000, -28,-1000,-1000,-1000, 52, 26,-1000, 192, 243,
-1000, 246,-1000,-1000, 148, 312, 144, 309,-1000,-1000,
46, 113,-1000, 204, 204,-1000, 121, -14,-1000, 225,
-1000, 192, 245, 192,-1000, 307,-1000,-1000,-1000,-1000,
179, 127, 121, 113, 136, 105, 0, 178, 170, 102,
1017,-1000,-1000,-1000, 43,-1000, 83, 55,-1000, -23,
27,-1000, 174,-1000,-1000, 81,1068,-1000,-1000, 57,
-1000,-1000,-1000,-1000,-1000, 79, 717, 954, 114,1068,
1068,1068,1068,1068,1081, 968,1030, 224,-1000,-1000,
-1000, 142, 192, 54,-1000, 119,-1000,-1000, 187,-1000,
187, 138, 307,-1000,-1000, 113,-1000, 11,-1000,-1000,
-1000, 717,-1000, 305,-1000,1068,1068, 916, 903, 865,
852, 814,1068, 801, 763, 750,1068,1068,1068,1068,
1068, 28,-1000, 717, 954,-1000,-1000,1068, 293,-1000,
114, 114, 114, 114, 114, 114, 968, 169, 657, 223,
-1000, 56, 717,-1000,-1000,-1000,-1000,-1000,-1000,-1000,
-1000,-1000, 42,-1000, 215,-1000, 495, 717,-1000,1068,
273,1068, 273,1068, 422,1068,-1000,1068, 369, 985,
1068, 981,1068, 661,1068,1146,1122, 621, 717, 717,
135, 954, 28, 338,-1000, 167,1068,-1000, 95, 182,
223,1068,-1000, 83,-1000,-1000, 16, 12, 717, 717,
717, 717, 717, 717, 717, 717,1068,-1000,-1000, 131,
-1000,1068, 149, 114, 60,-1000, 94, 95, 717,-1000,
-1000, 23,-1000,-1000, 597, 38,-1000, 288, 288,-1000,
288, 212, 288, 25, 17, 255, 292,-1000, -12, 288,
211,-1000, 203, 202,1068, 265,1096,-1000, 557,-1000,
59, 197,-1000,-1000,-1000, 237,-1000, 193, 222,1068,
-1000,-1000,-1000,-1000, 532, 13,-1000,-1000,-1000,1068,
1068,-1000, 508,-1000,-1000,-1000, 163,-1000,1068, 185,
6, 693,-1000,-1000, 470, 434,-1000,-1000, 398,1068,
-1000,-1000,-1000,-1000, 362,1068, 288, -10, -27,-1000,
-1000,-1000,1068, 150, 288,-1000 };
short yypgo[]={
0, 432, 46, 431, 429, 416, 414, 411, 410, 408,
0, 4, 8, 12, 407, 72, 405, 403, 19, 11,
402, 9, 297, 137, 401, 400, 399, 3, 392, 384,
382, 34, 32, 378, 1, 374, 288, 372, 10, 36,
371, 369, 39, 358, 356, 354, 353, 40, 351, 350,
25, 24, 348, 343, 342, 337, 327, 323, 320, 315 };
short yyr1[]={
0, 1, 1, 25, 25, 25, 26, 26, 28, 26,
29, 30, 30, 30, 33, 33, 35, 35, 35, 14,
14, 13, 13, 13, 13, 13, 36, 15, 15, 15,
15, 15, 16, 16, 7, 7, 37, 37, 39, 39,
17, 17, 8, 8, 40, 40, 42, 42, 32, 43,
32, 21, 21, 21, 21, 23, 23, 23, 23, 23,
23, 22, 22, 22, 22, 22, 44, 22, 46, 22,
9, 45, 45, 45, 27, 48, 27, 49, 49, 47,
47, 47, 47, 47, 50, 50, 51, 51, 38, 38,
41, 41, 52, 31, 53, 34, 34, 34, 34, 34,
54, 55, 34, 34, 56, 57, 34, 34, 34, 34,
34, 34, 34, 34, 34, 34, 34, 58, 58, 58,
5, 4, 3, 6, 59, 2, 11, 11, 24, 24,
10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 12, 12, 12, 12, 12,
12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
12, 12, 12, 12, 18, 19, 19, 19, 19, 19,
19, 19, 20, 20 };
short yyr2[]={
0, 2, 0, 1, 1, 2, 2, 3, 0, 4,
2, 4, 3, 0, 2, 0, 3, 4, 0, 1,
0, 2, 2, 1, 1, 3, 1, 1, 2, 3,
1, 1, 5, 2, 1, 2, 1, 3, 1, 3,
5, 2, 1, 2, 1, 3, 2, 1, 1, 0,
4, 1, 3, 2, 1, 2, 3, 3, 4, 1,
3, 2, 3, 3, 4, 3, 0, 4, 0, 3,
2, 1, 3, 1, 1, 0, 4, 1, 1, 1,
1, 3, 6, 1, 1, 3, 1, 4, 0, 1,
0, 1, 1, 4, 1, 2, 2, 1, 2, 2,
0, 0, 7, 7, 0, 0, 11, 2, 2, 2,
2, 3, 3, 1, 2, 2, 2, 2, 3, 2,
1, 4, 3, 4, 0, 2, 1, 0, 1, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 4, 4, 4, 4, 4, 4, 4,
4, 5, 3, 3, 1, 2, 2, 2, 2, 2,
2, 2, 4, 4, 4, 6, 2, 3, 3, 1,
1, 1, 1, 3, 2, 0, 2, 5, 2, 3,
4, 3, 2, 2 };
short yychk[]={
-1000, -1, -25, -26, 256, 59, -14, -13, -36, -15,
34, 33, -17, -16, -8, 35, -7, 49, 57, 57,
-27, -22, -47, 11, 50, -9, -23, -49, 256, 2,
-15, -36, 33, 52, 2, 52, 2, 57, 56, -28,
50, 54, -23, -22, -23, -22, -44, -46, 50, 54,
58, 50, -15, 33, -40, -42, -15, -37, -39, 2,
-48, -29, -30, 51, 55, -2, -59, 51, 51, -45,
2, 256, 51, 51, 55, -2, -10, 52, -12, 11,
14, 8, 31, 30, 48, 50, -20, 2, 4, 5,
3, -41, 57, -32, -21, -23, 22, 256, 11, 2,
50, -38, 56, 58, -47, -22, -31, -13, -53, 52,
55, -10, 51, 56, 55, 26, 56, 28, 6, 8,
29, 11, 27, 14, 17, 19, 23, 24, 21, 25,
58, -50, -51, -10, -52, 52, 30, 54, 32, 50,
-12, -12, -12, -12, -12, -12, 50, -18, -10, -15,
51, -24, -10, 50, 53, -42, 56, 22, -2, 53,
-39, -2, -32, 57, -35, 2, -10, -10, -10, 58,
-10, 58, -10, 58, -10, 58, -10, 58, -10, -10,
58, -10, 58, -10, 58, -10, -10, -10, -10, -10,
-38, 56, -50, -10, 2, -18, 51, 51, -19, 50,
11, 56, 51, -43, -2, 57, -13, -33, -10, -10,
-10, -10, -10, -10, -10, -10, 22, 53, -51, -38,
55, 22, 51, -12, 54, 51, -19, -19, -10, -21,
57, -27, -34, 53, -10, 59, -31, -4, -3, 43,
-5, 45, -6, 41, 42, 36, 37, 57, 256, -58,
38, 44, 40, 2, 47, 46, -10, 53, -10, 55,
-2, 51, 57, 57, 57, -34, -34, -54, -34, 50,
-34, 57, 57, 57, -10, 2, 57, 53, -34, 50,
50, 22, -10, 22, 55, 55, 50, 39, 50, 43,
-11, -10, 57, 57, -10, -10, 22, 51, -10, 50,
57, 51, 51, 51, -10, -56, -55, 51, -11, -34,
57, 57, -57, -11, 51, -34 };
short yydef[]={
2, -2, 1, 3, 4, 0, 0, 19, 23, 24,
26, 27, 30, 31, 0, 42, 0, 34, 5, 6,
0, -2, 74, 0, 0, -2, -2, 0, -2, 59,
21, 22, 28, 0, -2, 0, -2, 7, 75, 13,
0, 124, 55, 61, 0, 0, 0, 0, 0, 124,
0, 70, 25, 29, 90, 44, -2, 88, 36, 38,
0, 9, 0, 62, 63, 0, 0, 60, 65, 0,
71, 73, 69, 56, 57, 0, 81, 0, 154, 0,
0, 0, 0, 0, 0, 0, 0, 169, 170, 171,
172, 0, 91, 46, 48, 51, 124, 54, 0, 59,
0, 0, 89, 124, 76, 80, 10, 0, 18, 94,
64, 125, 67, 0, 58, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 88, 84, 86, 0, 92, 155, 0, 0, 183,
156, 157, 158, 159, 160, 161, 0, 0, 0, 175,
166, 0, 128, 182, 40, 45, 49, 124, 53, 32,
37, 39, 0, 12, 15, 72, 130, 131, 132, 0,
133, 0, 134, 0, 135, 0, 136, 0, 137, 138,
0, 139, 0, 140, 0, 141, 142, 0, 152, 153,
0, 89, 88, 0, 168, 0, 0, 173, 174, 175,
175, 0, 167, 0, 52, 11, 0, 0, 144, 145,
146, 147, 143, 148, 149, 150, 0, 82, 85, 0,
164, 0, 163, 162, 124, 176, 0, 178, 129, 50,
16, 0, 14, 93, 0, 0, 97, 0, 0, 100,
0, 0, 0, 0, 0, 0, 0, 113, 0, 0,
0, 120, 0, 169, 0, 0, 151, 87, 0, 179,
0, 181, 17, 95, 96, 98, 99, 0, 0, 127,
107, 108, 109, 110, 0, 0, 114, 115, 116, 0,
0, 117, 0, 119, 165, 180, 0, 122, 0, 0,
0, 126, 111, 112, 0, 0, 118, 177, 0, 0,
104, 121, 123, 101, 0, 127, 0, 0, 0, 102,
103, 105, 127, 0, 0, 106 };
YYSTYPE yyv[150];
int yychar = -1;
int yynerrs = 0;
short yyerrflag = 0;
yyparse()
{ short yys[150];
int yyj, yym;
register YYSTYPE *yypvt;
register int yystate, yyn;
register short *yyps;
register YYSTYPE *yypv;
register short *yyxi;
yystate = 0;
yychar = -1;
yynerrs = 0;
yyerrflag = 0;
yyps= &yys[-1];
yypv= &yyv[-1];
yystack:
if( ++yyps >= &yys[150] ) {
yyerror( "yacc stack overflow" );
return(1);
}
*yyps = yystate;
++yypv;
*yypv = yyval;
yynewstate:
yyn = yypact[yystate];
if(yyn <= -1000) goto yydefault;
if(yychar<0) {
yychar = yylex();
if(yychar < 0)
yychar = 0;
}
if((yyn += yychar) < 0 || yyn >= 1176)
goto yydefault;
if( yychk[ yyn=yyact[ yyn ] ] == yychar ){
yychar = -1;
yyval = yylval;
yystate = yyn;
if( yyerrflag > 0 ) --yyerrflag;
goto yystack;
}
yydefault:
if( (yyn=yydef[yystate]) == -2 ) {
if(yychar < 0) {
yychar = yylex();
if(yychar < 0)
yychar = 0;
}
for(yyxi=yyexca; (*yyxi!= (-1)) || (yyxi[1]!=yystate);
yyxi += 2 ) ;
while( *(yyxi+=2) >= 0 ){
if( *yyxi == yychar ) break;
}
if( (yyn = yyxi[1]) < 0 ) return(0);
}
if( yyn == 0 ){
switch( yyerrflag ){
case 0:
yyerror( "syntax error" );
yyerrlab:
++yynerrs;
case 1:
case 2:
yyerrflag = 3;
while ( yyps >= yys ) {
yyn = yypact[*yyps] + 256;
if( yyn>= 0 && yyn < 1176 && yychk[yyact[yyn]] == 256 ){
yystate = yyact[yyn];
goto yystack;
}
yyn = yypact[*yyps];
--yyps;
--yypv;
}
yyabort:
return(1);
case 3:
if( yychar == 0 ) goto yyabort;
yychar = -1;
goto yynewstate;
}
}
yyps -= yyr2[yyn];
yypvt = yypv;
yypv -= yyr2[yyn];
yyval = yypv[1];
yym=yyn;
yyn = yyr1[yyn];
yyj = yypgo[yyn] + *yyps + 1;
if( yyj>=1176 || yychk[ yystate = yyact[yyj] ] != -yyn ) yystate = yyact[yypgo[yyn]];
switch(yym){
case 2:
{
beg_file();
ftnend();
} break;
case 3:
{ curclass = SNULL; blevel = 0; } break;
case 4:
{ curclass = SNULL; blevel = 0; } break;
case 5:
{ asmout(); curclass = SNULL; blevel = 0; } break;
case 6:
{ yypvt[-1].nodep->in.op = FREE; } break;
case 7:
{ yypvt[-2].nodep->in.op = FREE; } break;
case 8:
{ defid( tymerge(yypvt[-1].nodep,yypvt[-0].nodep),
curclass==STATIC?STATIC:EXTDEF ); } break;
case 9:
{
if( blevel ) cerror( "function level error" );
if( reached ) retstat |= NRETVAL;
yypvt[-3].nodep->in.op = FREE;
ftnend();
} break;
case 10:
{ regvar = 0; } break;
case 11:
{ curclass = SNULL; yypvt[-2].nodep->in.op = FREE; } break;
case 12:
{ curclass = SNULL; yypvt[-1].nodep->in.op = FREE; } break;
case 13:
{ blevel = 1; } break;
case 15:
{ bccode();
locctr(PROG);
} break;
case 16:
{ yypvt[-1].nodep->in.op = FREE; } break;
case 17:
{ yypvt[-2].nodep->in.op = FREE; } break;
case 20:
{ yyval.nodep = mkty(INT,0,INT); curclass = SNULL; } break;
case 21:
{ yyval.nodep = yypvt[-0].nodep; } break;
case 23:
{ yyval.nodep = mkty(INT,0,INT); } break;
case 24:
{ curclass = SNULL ; } break;
case 25:
{ yypvt[-2].nodep->in.type = types( yypvt[-2].nodep->in.type, yypvt[-0].nodep->in.type,
UNDEF );
yypvt[-0].nodep->in.op = FREE;
} break;
case 26:
{ curclass = yypvt[-0].intval; } break;
case 28:
{ yypvt[-1].nodep->in.type = types( yypvt[-1].nodep->in.type, yypvt[-0].nodep->in.type, UNDEF );
yypvt[-0].nodep->in.op = FREE;
} break;
case 29:
{ yypvt[-2].nodep->in.type = types( yypvt[-2].nodep->in.type, yypvt[-1].nodep->in.type, yypvt[-0].nodep->in.type );
yypvt[-1].nodep->in.op = yypvt[-0].nodep->in.op = FREE;
} break;
case 32:
{ yyval.nodep = dclstruct(yypvt[-4].intval); } break;
case 33:
{ yyval.nodep = rstruct(yypvt[-0].intval,0); stwart = instruct; } break;
case 34:
{ yyval.intval = bstruct(-1,0); stwart = SEENAME; } break;
case 35:
{ yyval.intval = bstruct(yypvt[-0].intval,0); stwart = SEENAME; } break;
case 38:
{ moedef( yypvt[-0].intval ); } break;
case 39:
{ strucoff = yypvt[-0].intval; moedef( yypvt[-2].intval ); } break;
case 40:
{ yyval.nodep = dclstruct(yypvt[-4].intval); } break;
case 41:
{ yyval.nodep = rstruct(yypvt[-0].intval,yypvt[-1].intval); } break;
case 42:
{ yyval.intval = bstruct(-1,yypvt[-0].intval); stwart=0; } break;
case 43:
{ yyval.intval = bstruct(yypvt[-0].intval,yypvt[-1].intval); stwart=0; } break;
case 46:
{ curclass = SNULL; stwart=0; yypvt[-1].nodep->in.op = FREE; } break;
case 47:
{ if( curclass != MOU ){
curclass = SNULL;
}
else {
sprintf( fakename, "$%dFAKE", fake++ );
defid( tymerge(yypvt[-0].nodep, bdty(2,NIL,
lookup( fakename, SMOS ))), curclass );
werror("union member must be named");
}
stwart = 0;
yypvt[-0].nodep->in.op = FREE;
} break;
case 48:
{ defid( tymerge(yypvt[-1].nodep,yypvt[-0].nodep), curclass);
stwart = instruct; } break;
case 49:
{yyval.nodep=yypvt[-2].nodep;} break;
case 50:
{ defid( tymerge(yypvt[-4].nodep,yypvt[-0].nodep), curclass);
stwart = instruct; } break;
case 52:
{ if( !(instruct&INSTRUCT) )
uerror( "field outside of structure" );
if( yypvt[-0].intval<0 || yypvt[-0].intval >= FIELD ){
uerror( "illegal field size" );
yypvt[-0].intval = 1;
}
defid( tymerge(yypvt[-3].nodep,yypvt[-2].nodep), FIELD|yypvt[-0].intval );
yyval.nodep = NIL;
} break;
case 53:
{ if( !(instruct&INSTRUCT) )
uerror( "field outside of structure" );
falloc( stab, yypvt[-0].intval, -1, yypvt[-2].nodep );
yyval.nodep = NIL;
} break;
case 54:
{ yyval.nodep = NIL; } break;
case 55:
{ umul:
yyval.nodep = bdty( UNARY 11, yypvt[-0].nodep, 0 ); } break;
case 56:
{ uftn:
yyval.nodep = bdty( UNARY CALL, yypvt[-2].nodep, 0 ); } break;
case 57:
{ uary:
yyval.nodep = bdty( 54, yypvt[-2].nodep, 0 ); } break;
case 58:
{ bary:
if( (int)yypvt[-1].intval <= 0 )
werror( "zero or negative subscript" );
yyval.nodep = bdty( 54, yypvt[-3].nodep, yypvt[-1].intval ); } break;
case 59:
{ yyval.nodep = bdty( 2, NIL, yypvt[-0].intval ); } break;
case 60:
{ yyval.nodep=yypvt[-1].nodep; } break;
case 61:
{ goto umul; } break;
case 62:
{ goto uftn; } break;
case 63:
{ goto uary; } break;
case 64:
{ goto bary; } break;
case 65:
{ yyval.nodep = yypvt[-1].nodep; } break;
case 66:
{ if (paramno)
uerror("arg list in declaration"); } break;
case 67:
{
if( blevel!=0 )
uerror(
"function declaration in bad context");
yyval.nodep = bdty( UNARY CALL, bdty(2,NIL,yypvt[-3].intval), 0 );
stwart = 0;
} break;
case 68:
{ if (paramno)
uerror("arg list in declaration"); } break;
case 69:
{
yyval.nodep = bdty( UNARY CALL, bdty(2,NIL,yypvt[-2].intval), 0 );
stwart = 0;
} break;
case 70:
{
stwart = SEENAME;
if( stab[yypvt[-1].intval].sclass == SNULL )
stab[yypvt[-1].intval].stype = FTN;
} break;
case 71:
{ ftnarg( yypvt[-0].intval ); stwart = SEENAME; } break;
case 72:
{ ftnarg( yypvt[-0].intval ); stwart = SEENAME; } break;
case 75:
{yyval.nodep=yypvt[-2].nodep;} break;
case 77:
{ defid( yypvt[-0].nodep = tymerge(yypvt[-1].nodep,yypvt[-0].nodep), curclass);
beginit(yypvt[-0].nodep->tn.rval);
} break;
case 79:
{ nidcl( tymerge(yypvt[-1].nodep,yypvt[-0].nodep) ); } break;
case 80:
{ defid( tymerge(yypvt[-1].nodep,yypvt[-0].nodep), uclass(curclass) );
} break;
case 81:
{ doinit( yypvt[-0].nodep );
endinit(); } break;
case 82:
{ endinit(); } break;
case 86:
{ doinit( yypvt[-0].nodep ); } break;
case 87:
{ irbrace(); } break;
case 92:
{ ilbrace(); } break;
case 93:
{
clearst(blevel);
if (--blevel == 1)
{
clearst(blevel);
blevel = 0;
}
checkst(blevel);
autooff = *--psavbc;
regvar = *--psavbc;
} break;
case 94:
{ if( blevel == 1 ) dclargs();
uplevel();
if( psavbc > &asavbc[BCSZ-2] )
cerror( "nesting too deep" );
*psavbc++ = regvar;
*psavbc++ = autooff;
} break;
case 95:
{ ecomp(yypvt[-1].nodep); } break;
case 96:
{ asmout(); } break;
case 98:
{ deflab(yypvt[-1].intval);
reached = 1;
} break;
case 99:
{ if( yypvt[-1].intval != NOLAB ){
deflab( yypvt[-1].intval );
reached = 1;
}
} break;
case 100:
{
} break;
case 101:
{
savebc();
if (!reached)
werror("loop not entered at top");
reached = 1;
brklab = getlab();
contlab = getlab();
switch (wloop_level) {
default:
cerror("bad while loop code gen value");
case LL_TOP:
deflab(contlab);
if (yypvt[-1].nodep->in.op == 4 && yypvt[-1].nodep->tn.lval) {
flostat = FLOOP;
tfree(yypvt[-1].nodep);
} else {
yypvt[-1].nodep->ln.lineno = yypvt[-4].lineno;
ecomp(buildtree(CBRANCH, yypvt[-1].nodep,
bcon(brklab)));
}
break;
case LL_BOT:
if (yypvt[-1].nodep->in.op == 4 && yypvt[-1].nodep->tn.lval) {
flostat = FLOOP;
tfree(yypvt[-1].nodep);
deflab(contlab);
} else {
branch(contlab);
deflab(yyval.intval = getlab());
}
break;
case LL_DUP:
if (yypvt[-1].nodep->in.op == 4 && yypvt[-1].nodep->tn.lval) {
flostat = FLOOP;
tfree(yypvt[-1].nodep);
deflab(yyval.intval = contlab);
} else {
register NODE *sav;
extern NODE *treecpy();
sav = treecpy(yypvt[-1].nodep);
ecomp(buildtree(CBRANCH,yypvt[-1].nodep,
bcon(brklab)));
yypvt[-1].nodep = sav;
deflab(yyval.intval = getlab());
}
break;
}
} break;
case 102:
{
switch (wloop_level) {
default:
cerror("bad while loop code gen. value");
case LL_TOP:
branch(contlab);
break;
case LL_BOT:
if (flostat & FLOOP)
branch(contlab);
else {
reached = 1;
deflab(contlab);
ecomp(buildtree(CBRANCH,
buildtree(NOT, yypvt[-3].nodep, NIL),
bcon(yypvt[-1].intval)));
}
break;
case LL_DUP:
if (flostat & FLOOP)
branch(contlab);
else {
if (flostat & FCONT) {
reached = 1;
deflab(contlab);
}
ecomp(buildtree(CBRANCH,
buildtree(NOT, yypvt[-3].nodep, NIL),
bcon(yypvt[-1].intval)));
}
break;
}
if ((flostat & FBRK) || !(flostat & FLOOP))
reached = 1;
else
reached = 0;
deflab(brklab);
resetbc(0);
} break;
case 103:
{ deflab( contlab );
if( flostat & FCONT ) reached = 1;
yypvt[-2].nodep->ln.lineno = yypvt[-4].lineno;
ecomp( buildtree(CBRANCH,
buildtree(NOT, yypvt[-2].nodep, NIL), bcon(yypvt[-6].intval)));
deflab( brklab );
reached = 1;
resetbc(0);
} break;
case 104:
{
} break;
case 105:
{
if (yypvt[-4].nodep) {
yypvt[-4].nodep->ln.lineno = yypvt[-6].lineno;
ecomp(yypvt[-4].nodep);
} else if (!reached)
werror("loop not entered at top");
savebc();
contlab = getlab();
brklab = getlab();
reached = 1;
switch (floop_level) {
default:
cerror("bad for loop code gen. value");
case LL_TOP:
deflab(yyval.intval = getlab());
if (!yypvt[-1].nodep)
flostat |= FLOOP;
else if (yypvt[-1].nodep->in.op == 4 && yypvt[-1].nodep->tn.lval) {
flostat |= FLOOP;
tfree(yypvt[-1].nodep);
yypvt[-1].nodep = (NODE *)0;
} else {
if (!yypvt[-4].nodep)
yypvt[-1].nodep->ln.lineno = yypvt[-6].lineno;
ecomp(buildtree(CBRANCH, yypvt[-1].nodep,
bcon(brklab)));
}
break;
case LL_BOT:
if (!yypvt[-1].nodep)
flostat |= FLOOP;
else if (yypvt[-1].nodep->in.op == 4 && yypvt[-1].nodep->tn.lval) {
flostat |= FLOOP;
tfree(yypvt[-1].nodep);
yypvt[-1].nodep = (NODE *)0;
} else
branch(yypvt[-6].intval = getlab());
deflab(yyval.intval = getlab());
break;
case LL_DUP:
if (!yypvt[-1].nodep)
flostat |= FLOOP;
else if (yypvt[-1].nodep->in.op == 4 && yypvt[-1].nodep->tn.lval) {
flostat |= FLOOP;
tfree(yypvt[-1].nodep);
yypvt[-1].nodep = (NODE *)0;
} else {
register NODE *sav;
extern NODE *treecpy();
sav = treecpy(yypvt[-1].nodep);
ecomp(buildtree(CBRANCH, yypvt[-1].nodep,
bcon(brklab)));
yypvt[-1].nodep = sav;
}
deflab(yyval.intval = getlab());
break;
}
} break;
case 106:
{
if (flostat & FCONT) {
deflab(contlab);
reached = 1;
}
if (yypvt[-2].nodep)
yypvt[-2].nodep->ln.lineno = lineno, ecomp(yypvt[-2].nodep);
switch (floop_level) {
default:
cerror("bad for loop code gen. value");
case LL_TOP:
branch(yypvt[-3].intval);
break;
case LL_BOT:
if (yypvt[-5].nodep)
deflab(yypvt[-10].intval);
case LL_DUP:
if (yypvt[-5].nodep) {
ecomp(buildtree(CBRANCH,
buildtree(NOT, yypvt[-5].nodep, NIL),
bcon(yypvt[-3].intval)));
} else
branch(yypvt[-3].intval);
break;
}
deflab(brklab);
if ((flostat & FBRK) || !(flostat & FLOOP))
reached = 1;
else
reached = 0;
resetbc(0);
} break;
case 107:
{ if( reached ) branch( brklab );
deflab( yypvt[-1].intval );
swend();
deflab(brklab);
if( (flostat&FBRK) || !(flostat&FDEF) ) reached=1;
resetbc(FCONT);
} break;
case 108:
{ if( brklab == NOLAB ) uerror( "illegal break");
else if(reached) {
slineno = yypvt[-1].lineno; dbline();
branch( brklab );
}
flostat |= FBRK;
if( brkflag ) goto rch;
reached = 0;
} break;
case 109:
{ if( contlab == NOLAB ) uerror( "illegal continue");
else {
slineno = yypvt[-1].lineno; dbline();
branch( contlab );
}
flostat |= FCONT;
goto rch;
} break;
case 110:
{ retstat |= NRETVAL;
slineno = yypvt[-1].lineno; dbline();
branch( retlab );
rch:
if( !reached ) werror( "statement not reached");
reached = 0;
} break;
case 111:
{ register NODE *temp;
TWORD indtype();
idname = curftn;
temp = buildtree( 2, NIL, NIL );
temp->in.type = DECREF(temp->in.type);
if(temp->in.type == (FTN|VOID))
uerror(
"void function %s cannot return value",
stab[idname].sname);
temp->tn.op = RNODE;
yypvt[-1].nodep = makety( yypvt[-1].nodep, temp->fn.type,
temp->fn.cdim, temp->fn.csiz );
temp->in.type = indtype( temp->in.type );
temp = buildtree( 58, temp, yypvt[-1].nodep );
temp->ln.lineno = yypvt[-2].lineno;
ecomp( temp );
retstat |= RETVAL;
branch( retlab );
reached = 0;
} break;
case 112:
{ register NODE *q;
q = block( FREE, NIL, NIL, INT|ARY, 0, INT );
q->tn.rval = idname = yypvt[-1].intval;
defid( q, ULABEL );
stab[idname].suse = -lineno;
slineno = yypvt[-2].lineno; dbline();
branch( stab[idname].offset );
goto rch;
} break;
case 117:
{ register NODE *q;
q = block( FREE, NIL, NIL, INT|ARY, 0, LABEL );
q->tn.rval = yypvt[-1].intval;
defid( q, LABEL );
reached = 1;
} break;
case 118:
{ addcase(yypvt[-1].nodep);
reached = 1;
} break;
case 119:
{ reached = 1;
adddef();
flostat |= FDEF;
} break;
case 120:
{ savebc();
if( !reached ) werror( "loop not entered at top");
brklab = getlab();
contlab = getlab();
deflab( yyval.intval = getlab() );
reached = 1;
} break;
case 121:
{ yypvt[-1].nodep->ln.lineno = yypvt[-3].lineno;
ecomp(buildtree(CBRANCH, yypvt[-1].nodep, bcon(yyval.intval=getlab()))) ;
reached = 1;
} break;
case 122:
{ if( reached ) branch( yyval.intval = getlab() );
else yyval.intval = NOLAB;
deflab( yypvt[-2].intval );
reached = 1;
} break;
case 123:
{ register NODE *temp;
savebc();
temp = block( SNODE, NIL, NIL, INT, 0, INT );
temp = buildtree( 58, temp, yypvt[-1].nodep );
brklab = getlab();
temp->ln.lineno = yypvt[-3].lineno;
ecomp( temp );
branch( yyval.intval = getlab() );
swstart();
reached = 0;
} break;
case 124:
{ yyval.intval=instruct; stwart=instruct=0; } break;
case 125:
{ yyval.intval = icons( yypvt[-0].nodep ); instruct=yypvt[-1].intval; } break;
case 127:
{ yyval.nodep = 0; } break;
case 129:
{ goto bop; } break;
case 130:
{
preconf:
if( yychar==26 || yychar==27 || yychar==14
|| yychar==17 || yychar==19 ){
precplaint:
if( hflag ) werror(
"precedence confusion possible: parenthesize!"
);
}
bop:
yyval.nodep = buildtree( yypvt[-1].intval, yypvt[-2].nodep, yypvt[-0].nodep );
} break;
case 131:
{ yypvt[-1].intval = COMOP;
goto bop;
} break;
case 132:
{ goto bop; } break;
case 133:
{ if(yychar==29) goto precplaint; else goto bop; } break;
case 134:
{ if(yychar==29 ) goto precplaint; else goto bop; } break;
case 135:
{ if(yychar==6||yychar==8) goto precplaint; else goto bop; } break;
case 136:
{ goto bop; } break;
case 137:
{ goto preconf; } break;
case 138:
{ if( yychar==26||yychar==27 ) goto preconf; else goto bop; } break;
case 139:
{ if(yychar==26||yychar==27) goto preconf; else goto bop; } break;
case 140:
{ if(yychar==26||yychar==27) goto preconf; else goto bop; } break;
case 141:
{ goto bop; } break;
case 142:
{ goto bop; } break;
case 143:
{ abop:
yyval.nodep = buildtree( ASG yypvt[-2].intval, yypvt[-3].nodep, yypvt[-0].nodep );
} break;
case 144:
{ goto abop; } break;
case 145:
{ goto abop; } break;
case 146:
{ goto abop; } break;
case 147:
{ goto abop; } break;
case 148:
{ goto abop; } break;
case 149:
{ goto abop; } break;
case 150:
{ goto abop; } break;
case 151:
{ yyval.nodep=buildtree(21, yypvt[-4].nodep, buildtree( 22, yypvt[-2].nodep, yypvt[-0].nodep ) );
} break;
case 152:
{ werror( "old-fashioned assignment operator" );
goto bop; } break;
case 153:
{ goto bop; } break;
case 155:
{ yyval.nodep = buildtree( yypvt[-0].intval, yypvt[-1].nodep, bcon(1) ); } break;
case 156:
{ ubop:
yyval.nodep = buildtree( UNARY yypvt[-1].intval, yypvt[-0].nodep, NIL );
} break;
case 157:
{
if( ISFTN(yypvt[-0].nodep->in.type) || ISARY(yypvt[-0].nodep->in.type) ){
werror( "& before array or function: ignored" );
yyval.nodep = yypvt[-0].nodep;
}
else goto ubop;
} break;
case 158:
{ goto ubop; } break;
case 159:
{
yyval.nodep = buildtree( yypvt[-1].intval, yypvt[-0].nodep, NIL );
} break;
case 160:
{ yyval.nodep = buildtree( yypvt[-1].intval==INCR ? ASG 6 : ASG 8,
yypvt[-0].nodep,
bcon(1) );
} break;
case 161:
{ yyval.nodep = doszof( yypvt[-0].nodep ); } break;
case 162:
{ yyval.nodep = buildtree( CAST, yypvt[-2].nodep, yypvt[-0].nodep );
yyval.nodep->in.left->in.op = FREE;
yyval.nodep->in.op = FREE;
yyval.nodep = yyval.nodep->in.right;
} break;
case 163:
{ yyval.nodep = doszof( yypvt[-1].nodep ); } break;
case 164:
{ yyval.nodep = buildtree( 54, yypvt[-3].nodep, yypvt[-1].nodep ); } break;
case 165:
{ yyval.nodep = xicolon( yypvt[-5].nodep, yypvt[-3].nodep, yypvt[-1].nodep ); } break;
case 166:
{ yyval.nodep=buildtree(UNARY CALL,yypvt[-1].nodep,NIL);
} break;
case 167:
{ yyval.nodep=buildtree(CALL,yypvt[-2].nodep,yypvt[-1].nodep); } break;
case 168:
{ if( yypvt[-1].intval == DOT ){
if( notlval( yypvt[-2].nodep ) )werror(
"structure reference must be addressable"
);
yypvt[-2].nodep = buildtree( UNARY 14, yypvt[-2].nodep, NIL );
}
idname = yypvt[-0].intval;
yyval.nodep = buildtree( STREF, yypvt[-2].nodep,
buildtree( 2, NIL, NIL ) );
} break;
case 169:
{ idname = yypvt[-0].intval;
if( blevel==0 && stab[idname].stype == UNDEF ) {
register NODE *q;
werror( "undeclared initializer name %s",
stab[idname].sname );
q = block( FREE, NIL, NIL, INT, 0, INT );
q->tn.rval = idname;
defid( q, EXTERN );
}
yyval.nodep=buildtree(2,NIL,NIL);
stab[yypvt[-0].intval].suse = -lineno;
} break;
case 170:
{ yyval.nodep=bcon(0);
yyval.nodep->tn.lval = lastcon;
yyval.nodep->tn.rval = NONAME;
if( yypvt[-0].intval ) yyval.nodep->fn.csiz = yyval.nodep->in.type = ctype(LONG);
} break;
case 171:
{ yyval.nodep=buildtree(5,NIL,NIL);
yyval.nodep->fpn.dval = dcon;
} break;
case 172:
{ yyval.nodep = getstr(); } break;
case 173:
{ yyval.nodep=yypvt[-1].nodep; } break;
case 174:
{
yyva
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