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1.1 root 1: # define NAME 2
2: # define STRING 3
3: # define ICON 4
4: # define FCON 5
5: # define PLUS 6
6: # define MINUS 8
7: # define MUL 11
8: # define AND 14
9: # define OR 17
10: # define ER 19
11: # define QUEST 21
12: # define COLON 22
13: # define ANDAND 23
14: # define OROR 24
15: # define ASOP 25
16: # define RELOP 26
17: # define EQUOP 27
18: # define DIVOP 28
19: # define SHIFTOP 29
20: # define INCOP 30
21: # define UNOP 31
22: # define STROP 32
23: # define TYPE 33
24: # define CLASS 34
25: # define STRUCT 35
26: # define RETURN 36
27: # define GOTO 37
28: # define IF 38
29: # define ELSE 39
30: # define SWITCH 40
31: # define BREAK 41
32: # define CONTINUE 42
33: # define WHILE 43
34: # define DO 44
35: # define FOR 45
36: # define DEFAULT 46
37: # define CASE 47
38: # define SIZEOF 48
39: # define ENUM 49
40: # define LP 50
41: # define RP 51
42: # define LC 52
43: # define RC 53
44: # define LB 54
45: # define RB 55
46: # define CM 56
47: # define SM 57
48: # define ASSIGN 58
49:
50: # line 108 "../mip/cgram.y"
51: # include "mfile1"
52: #define yyclearin yychar = -1
53: #define yyerrok yyerrflag = 0
54: extern int yychar;
55: extern short yyerrflag;
56: #ifndef YYMAXDEPTH
57: #define YYMAXDEPTH 150
58: #endif
59: YYSTYPE yylval; YYSTYPE yyval;
60:
61: # line 127 "../mip/cgram.y"
62: static int fake = 0;
63: #ifndef FLEXNAMES
64: static char fakename[NCHNAM+1];
65: #else
66: static char fakename[24];
67: #endif
68: # define YYERRCODE 256
69:
70: # line 840 "../mip/cgram.y"
71:
72:
73: NODE *
74: mkty( t, d, s ) unsigned t; {
75: return( block( TYPE, NIL, NIL, t, d, s ) );
76: }
77:
78: NODE *
79: bdty( op, p, v ) NODE *p; {
80: register NODE *q;
81:
82: q = block( op, p, NIL, INT, 0, INT );
83:
84: switch( op ){
85:
86: case UNARY MUL:
87: case UNARY CALL:
88: break;
89:
90: case LB:
91: q->in.right = bcon(v);
92: break;
93:
94: case NAME:
95: q->tn.rval = v;
96: break;
97:
98: default:
99: cerror( "bad bdty" );
100: }
101:
102: return( q );
103: }
104:
105: dstash( n ){ /* put n into the dimension table */
106: if( curdim >= DIMTABSZ-1 ){
107: cerror( "dimension table overflow");
108: }
109: dimtab[ curdim++ ] = n;
110: }
111:
112: savebc() {
113: if( psavbc > & asavbc[BCSZ-4 ] ){
114: cerror( "whiles, fors, etc. too deeply nested");
115: }
116: *psavbc++ = brklab;
117: *psavbc++ = contlab;
118: *psavbc++ = flostat;
119: *psavbc++ = swx;
120: flostat = 0;
121: }
122:
123: resetbc(mask){
124:
125: swx = *--psavbc;
126: flostat = *--psavbc | (flostat&mask);
127: contlab = *--psavbc;
128: brklab = *--psavbc;
129:
130: }
131:
132: addcase(p) NODE *p; { /* add case to switch */
133:
134: p = optim( p ); /* change enum to ints */
135: if( p->in.op != ICON ){
136: uerror( "non-constant case expression");
137: return;
138: }
139: if( swp == swtab ){
140: uerror( "case not in switch");
141: return;
142: }
143: if( swp >= &swtab[SWITSZ] ){
144: cerror( "switch table overflow");
145: }
146: swp->sval = p->tn.lval;
147: deflab( swp->slab = getlab() );
148: ++swp;
149: tfree(p);
150: }
151:
152: adddef(){ /* add default case to switch */
153: if( swtab[swx].slab >= 0 ){
154: uerror( "duplicate default in switch");
155: return;
156: }
157: if( swp == swtab ){
158: uerror( "default not inside switch");
159: return;
160: }
161: deflab( swtab[swx].slab = getlab() );
162: }
163:
164: swstart(){
165: /* begin a switch block */
166: if( swp >= &swtab[SWITSZ] ){
167: cerror( "switch table overflow");
168: }
169: swx = swp - swtab;
170: swp->slab = -1;
171: ++swp;
172: }
173:
174: swend(){ /* end a switch block */
175:
176: register struct sw *swbeg, *p, *q, *r, *r1;
177: CONSZ temp;
178: int tempi;
179:
180: swbeg = &swtab[swx+1];
181:
182: /* sort */
183:
184: r1 = swbeg;
185: r = swp-1;
186:
187: while( swbeg < r ){
188: /* bubble largest to end */
189: for( q=swbeg; q<r; ++q ){
190: if( q->sval > (q+1)->sval ){
191: /* swap */
192: r1 = q+1;
193: temp = q->sval;
194: q->sval = r1->sval;
195: r1->sval = temp;
196: tempi = q->slab;
197: q->slab = r1->slab;
198: r1->slab = tempi;
199: }
200: }
201: r = r1;
202: r1 = swbeg;
203: }
204:
205: /* it is now sorted */
206:
207: for( p = swbeg+1; p<swp; ++p ){
208: if( p->sval == (p-1)->sval ){
209: uerror( "duplicate case in switch, %d", tempi=p->sval );
210: return;
211: }
212: }
213:
214: genswitch( swbeg-1, swp-swbeg );
215: swp = swbeg-1;
216: }
217: extern short yyexca[];
218: # define YYNPROD 187
219: # define YYLAST 1228
220: extern short yyact[];
221: short yyexca [] ={
222: -1, 1,
223: 0, -1,
224: 2, 23,
225: 11, 23,
226: 50, 23,
227: 57, 23,
228: -2, 0,
229: -1, 19,
230: 56, 82,
231: 57, 82,
232: -2, 7,
233: -1, 24,
234: 56, 81,
235: 57, 81,
236: -2, 79,
237: -1, 26,
238: 56, 85,
239: 57, 85,
240: -2, 80,
241: -1, 32,
242: 52, 46,
243: -2, 44,
244: -1, 34,
245: 52, 38,
246: -2, 36,
247: -1, 57,
248: 53, 50,
249: 57, 50,
250: -2, 0,
251: -1, 109,
252: 33, 18,
253: 34, 18,
254: 35, 18,
255: 49, 18,
256: -2, 13,
257: -1, 280,
258: 33, 16,
259: 34, 16,
260: 35, 16,
261: 49, 16,
262: -2, 14,
263: -1, 297,
264: 33, 17,
265: 34, 17,
266: 35, 17,
267: 49, 17,
268: -2, 15,
269: };
270: extern short yypact[];
271: short yyact []={
272:
273: 211, 18, 262, 93, 231, 89, 87, 88, 27, 209,
274: 80, 200, 132, 78, 6, 147, 79, 21, 10, 9,
275: 14, 20, 100, 166, 51, 131, 27, 311, 96, 92,
276: 310, 46, 82, 81, 16, 21, 98, 110, 221, 222,
277: 226, 59, 230, 219, 220, 227, 228, 229, 233, 232,
278: 83, 75, 84, 304, 110, 256, 22, 66, 56, 223,
279: 231, 89, 87, 88, 27, 291, 80, 266, 112, 78,
280: 36, 297, 79, 21, 22, 271, 265, 133, 107, 270,
281: 45, 280, 212, 101, 27, 148, 152, 204, 82, 81,
282: 164, 24, 203, 21, 221, 222, 226, 91, 230, 219,
283: 220, 227, 228, 229, 233, 232, 83, 74, 84, 193,
284: 110, 210, 22, 40, 42, 223, 168, 169, 170, 172,
285: 174, 176, 178, 180, 181, 183, 185, 187, 188, 189,
286: 190, 191, 22, 27, 94, 133, 156, 162, 195, 17,
287: 19, 160, 21, 10, 9, 14, 103, 148, 99, 95,
288: 155, 156, 207, 96, 158, 298, 41, 43, 161, 16,
289: 194, 284, 197, 36, 35, 70, 77, 114, 192, 157,
290: 71, 136, 235, 138, 236, 38, 237, 111, 238, 39,
291: 239, 22, 234, 240, 73, 241, 250, 242, 163, 208,
292: 286, 139, 65, 250, 133, 137, 102, 48, 48, 95,
293: 202, 49, 49, 283, 254, 244, 245, 38, 69, 255,
294: 33, 39, 159, 252, 253, 206, 48, 68, 263, 31,
295: 49, 8, 268, 258, 259, 260, 261, 154, 264, 28,
296: 306, 246, 289, 278, 202, 272, 281, 277, 248, 201,
297: 251, 108, 198, 27, 282, 140, 141, 142, 143, 144,
298: 145, 53, 21, 57, 10, 9, 14, 72, 224, 64,
299: 300, 299, 97, 276, 275, 153, 274, 273, 153, 52,
300: 16, 288, 287, 201, 292, 293, 263, 295, 294, 9,
301: 26, 231, 89, 87, 88, 47, 10, 80, 14, 54,
302: 78, 22, 30, 79, 121, 279, 269, 95, 196, 301,
303: 60, 307, 16, 7, 113, 263, 149, 308, 285, 82,
304: 81, 117, 29, 57, 224, 221, 222, 226, 26, 230,
305: 219, 220, 227, 228, 229, 233, 232, 83, 67, 84,
306: 34, 110, 118, 32, 119, 225, 223, 121, 26, 118,
307: 123, 119, 109, 124, 121, 125, 106, 128, 105, 126,
308: 127, 129, 115, 122, 117, 120, 134, 50, 25, 115,
309: 122, 117, 120, 61, 44, 249, 4, 205, 149, 102,
310: 118, 90, 119, 55, 58, 121, 167, 309, 118, 165,
311: 119, 104, 116, 121, 130, 63, 123, 97, 62, 124,
312: 37, 125, 117, 128, 3, 126, 127, 129, 115, 122,
313: 117, 120, 2, 151, 85, 11, 12, 5, 23, 13,
314: 15, 218, 216, 217, 118, 249, 119, 215, 213, 121,
315: 214, 1, 123, 305, 0, 124, 0, 125, 116, 128,
316: 130, 126, 127, 129, 115, 122, 117, 120, 0, 0,
317: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
318: 118, 0, 119, 0, 0, 121, 0, 0, 123, 303,
319: 0, 124, 0, 125, 116, 128, 130, 126, 127, 129,
320: 115, 122, 117, 120, 0, 0, 0, 0, 0, 0,
321: 0, 0, 0, 0, 0, 0, 0, 0, 118, 0,
322: 119, 0, 118, 121, 119, 302, 123, 121, 0, 124,
323: 116, 125, 130, 128, 296, 126, 127, 129, 115, 122,
324: 117, 120, 115, 0, 117, 120, 0, 0, 0, 0,
325: 0, 0, 0, 0, 0, 0, 118, 0, 119, 0,
326: 0, 121, 0, 0, 123, 224, 0, 124, 116, 125,
327: 130, 128, 0, 126, 127, 129, 115, 122, 117, 120,
328: 118, 0, 119, 0, 0, 121, 0, 118, 123, 119,
329: 0, 124, 121, 125, 0, 128, 0, 126, 127, 129,
330: 115, 122, 117, 120, 0, 0, 116, 290, 130, 117,
331: 120, 0, 0, 0, 0, 0, 0, 0, 0, 0,
332: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
333: 116, 257, 130, 118, 0, 119, 0, 0, 121, 0,
334: 0, 123, 0, 0, 124, 0, 125, 0, 128, 0,
335: 126, 127, 129, 115, 122, 117, 120, 118, 0, 119,
336: 0, 0, 121, 0, 0, 123, 0, 0, 124, 0,
337: 125, 0, 128, 243, 126, 127, 129, 115, 122, 117,
338: 120, 0, 247, 116, 0, 130, 0, 0, 0, 0,
339: 0, 0, 0, 118, 0, 119, 0, 118, 121, 119,
340: 0, 123, 121, 0, 124, 123, 125, 116, 128, 130,
341: 126, 127, 129, 115, 122, 117, 120, 115, 122, 117,
342: 120, 0, 0, 0, 0, 0, 0, 0, 0, 118,
343: 0, 119, 0, 0, 121, 0, 0, 123, 199, 0,
344: 124, 0, 125, 116, 128, 130, 126, 127, 129, 115,
345: 122, 117, 120, 118, 0, 119, 0, 0, 121, 0,
346: 0, 123, 0, 0, 124, 0, 125, 0, 128, 0,
347: 126, 127, 129, 115, 122, 117, 120, 0, 0, 116,
348: 0, 130, 86, 89, 87, 88, 0, 0, 80, 0,
349: 0, 78, 0, 0, 79, 86, 89, 87, 88, 0,
350: 0, 80, 0, 0, 78, 130, 0, 79, 0, 0,
351: 82, 81, 0, 0, 0, 0, 0, 0, 0, 0,
352: 0, 0, 0, 82, 81, 0, 0, 0, 83, 0,
353: 84, 0, 0, 86, 89, 87, 88, 0, 186, 80,
354: 0, 83, 78, 84, 0, 79, 86, 89, 87, 88,
355: 0, 184, 80, 0, 0, 78, 0, 0, 79, 0,
356: 0, 82, 81, 0, 0, 0, 0, 0, 0, 0,
357: 0, 0, 0, 0, 82, 81, 0, 0, 0, 83,
358: 0, 84, 0, 0, 86, 89, 87, 88, 0, 182,
359: 80, 0, 83, 78, 84, 0, 79, 86, 89, 87,
360: 88, 0, 179, 80, 0, 0, 78, 0, 0, 79,
361: 0, 0, 82, 81, 0, 0, 0, 0, 0, 0,
362: 0, 0, 0, 0, 0, 82, 81, 0, 0, 0,
363: 83, 0, 84, 0, 0, 86, 89, 87, 88, 0,
364: 177, 80, 0, 83, 78, 84, 0, 79, 86, 89,
365: 87, 88, 0, 175, 80, 0, 0, 78, 0, 0,
366: 79, 0, 0, 82, 81, 0, 0, 0, 0, 0,
367: 0, 0, 0, 0, 0, 0, 82, 81, 0, 0,
368: 0, 83, 0, 84, 0, 0, 86, 89, 87, 88,
369: 0, 173, 80, 0, 83, 78, 84, 0, 79, 86,
370: 89, 87, 88, 0, 171, 80, 0, 0, 78, 0,
371: 0, 79, 0, 0, 82, 81, 118, 0, 119, 0,
372: 0, 121, 0, 0, 123, 0, 0, 82, 81, 125,
373: 0, 0, 83, 0, 84, 0, 115, 122, 117, 120,
374: 0, 267, 0, 0, 0, 83, 0, 84, 0, 135,
375: 86, 89, 87, 88, 0, 0, 80, 0, 0, 78,
376: 0, 0, 79, 86, 89, 87, 88, 0, 0, 80,
377: 0, 0, 78, 0, 0, 79, 0, 0, 82, 81,
378: 0, 10, 0, 14, 0, 0, 0, 0, 0, 0,
379: 0, 82, 81, 0, 0, 0, 83, 16, 84, 0,
380: 0, 0, 0, 86, 89, 87, 88, 0, 0, 83,
381: 0, 84, 0, 76, 86, 89, 87, 88, 0, 0,
382: 80, 0, 0, 78, 0, 0, 79, 86, 89, 87,
383: 88, 82, 81, 80, 0, 0, 78, 0, 0, 79,
384: 0, 0, 82, 81, 0, 0, 0, 0, 0, 83,
385: 0, 84, 0, 0, 0, 82, 81, 0, 0, 0,
386: 83, 0, 84, 150, 0, 86, 89, 87, 88, 0,
387: 0, 80, 0, 83, 78, 84, 0, 79, 0, 0,
388: 0, 0, 0, 0, 118, 0, 119, 0, 0, 121,
389: 0, 0, 123, 82, 81, 124, 0, 125, 0, 128,
390: 0, 126, 127, 0, 115, 122, 117, 120, 0, 0,
391: 118, 83, 119, 146, 0, 121, 0, 0, 123, 0,
392: 0, 124, 0, 125, 0, 0, 0, 126, 0, 0,
393: 115, 122, 117, 120, 118, 0, 119, 0, 0, 121,
394: 0, 0, 123, 0, 0, 124, 0, 125, 0, 0,
395: 0, 0, 0, 0, 115, 122, 117, 120 };
396: extern short yypgo[];
397: short yypact []={
398:
399: -1000, 110,-1000,-1000,-1000, 82,-1000, 253, 245,-1000,
400: 259,-1000,-1000, 167, 331, 158, 328,-1000, 107, 125,
401: -1000, 241, 241, 29, 148, -34,-1000, 219,-1000, 253,
402: 256, 253,-1000, 298,-1000,-1000,-1000,-1000, 208, 137,
403: 148, 125, 166, 157, 114,-1000,-1000,-1000, 206, 129,
404: 1031,-1000,-1000,-1000,-1000, 40,-1000, 6, 92,-1000,
405: -36, 62,-1000, -15,-1000,-1000, 122,1095,-1000,-1000,
406: -1000, 302,-1000,-1000, 112, 717, 967, 141,1095,1095,
407: 1095,1095,1095,1133,1018,1082, 218,-1000,-1000,-1000,
408: 174, 253, 80,-1000, 125, 147,-1000,-1000, 159, 298,
409: -1000,-1000, 125,-1000,-1000,-1000,-1000, 131, 33,-1000,
410: -1000,-1000, 717,-1000,-1000,1095,1095, 916, 903, 865,
411: 852, 814,1095, 801, 763, 750,1095,1095,1095,1095,
412: 1095, 53,-1000, 717, 967,-1000,-1000,1095, 296,-1000,
413: 141, 141, 141, 141, 141, 141,1018, 191, 657, 223,
414: -1000, 36, 717,-1000,-1000,-1000,-1000,-1000,-1000,-1000,
415: -1000,-1000, 95,-1000,-1000,-1000, 58, 221, 551, 717,
416: -1000,1095, 283,1095, 283,1095, 364,1095,-1000,1095,
417: 486, 333,1095, 980,1095, 661,1095,1198,1174, 621,
418: 717, 717, 152, 967, 53, 597,-1000, 187,1095,-1000,
419: 132, 189, 223,1095,-1000, 6,-1000,-1000, 2,-1000,
420: -1000, 544,-1000, 279, 279, 279, 279,1095, 279, 19,
421: 10, 954, 294,-1000, 22, 279, 217, 216,-1000, 214,
422: 213, 215,1095, 273, 24, 717, 717, 717, 717, 717,
423: 717, 717, 717,1095,-1000,-1000, 150,-1000,1071, 141,
424: 106,-1000, 139, 132, 717,-1000,-1000,-1000, 233,-1000,
425: -1000, 228, 181, 693,-1000,-1000,-1000,-1000, 520, 8,
426: -1000,-1000,-1000,1095,1095,1095,1095,-1000, 482,-1000,
427: -1000, 14,1148,-1000,-1000, 100, 211,-1000, 210, 279,
428: -1000,-1000, 444, 408, -4, 372,-1000,-1000,-1000, 179,
429: 1095,-1000,-1000,-1000,1095,-1000,-1000, 326, -27, -30,
430: -1000,-1000 };
431: extern short yyr1[];
432: short yypgo []={
433:
434: 0, 421, 57, 420, 418, 417, 413, 412, 411, 410,
435: 409, 408, 0, 2, 166, 14, 407, 221, 406, 405,
436: 15, 11, 404, 3, 134, 91, 403, 402, 394, 1,
437: 390, 388, 385, 82, 381, 23, 9, 379, 376, 29,
438: 303, 374, 36, 41, 373, 371, 58, 367, 364, 21,
439: 363, 358, 357, 25, 12, 356, 348, 346, 342, 335,
440: 328 };
441: extern short yyr2[];
442: short yyr1 []={
443:
444: 0, 1, 1, 27, 27, 28, 28, 30, 28, 31,
445: 32, 32, 35, 35, 37, 37, 38, 38, 38, 34,
446: 34, 34, 16, 16, 15, 15, 15, 15, 15, 40,
447: 17, 17, 17, 17, 17, 18, 18, 9, 9, 41,
448: 41, 43, 43, 19, 19, 10, 10, 44, 44, 46,
449: 46, 39, 47, 39, 23, 23, 23, 23, 23, 25,
450: 25, 25, 25, 25, 25, 24, 24, 24, 24, 24,
451: 24, 24, 11, 48, 48, 48, 29, 50, 29, 51,
452: 51, 49, 49, 49, 49, 49, 53, 53, 54, 54,
453: 42, 42, 45, 45, 52, 52, 55, 33, 33, 56,
454: 57, 58, 36, 36, 36, 36, 36, 36, 36, 36,
455: 36, 36, 36, 36, 36, 36, 36, 36, 36, 59,
456: 59, 59, 7, 4, 3, 5, 6, 8, 60, 2,
457: 13, 13, 26, 26, 12, 12, 12, 12, 12, 12,
458: 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
459: 12, 12, 12, 12, 12, 12, 12, 12, 12, 14,
460: 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
461: 14, 14, 14, 14, 14, 14, 14, 20, 21, 21,
462: 21, 21, 21, 21, 21, 22, 22 };
463: extern short yychk[];
464: short yyr2 []={
465:
466: 0, 2, 0, 1, 1, 2, 3, 0, 4, 2,
467: 2, 0, 2, 0, 3, 4, 3, 4, 0, 3,
468: 2, 2, 1, 0, 2, 2, 1, 1, 3, 1,
469: 1, 2, 3, 1, 1, 5, 2, 1, 2, 1,
470: 3, 1, 3, 5, 2, 1, 2, 1, 3, 2,
471: 1, 1, 0, 4, 1, 1, 3, 2, 1, 2,
472: 3, 3, 4, 1, 3, 2, 3, 3, 4, 3,
473: 3, 2, 2, 1, 3, 1, 1, 0, 4, 1,
474: 1, 1, 1, 3, 6, 1, 1, 3, 1, 4,
475: 0, 1, 0, 1, 0, 1, 1, 1, 1, 4,
476: 3, 1, 2, 1, 2, 2, 2, 7, 4, 2,
477: 2, 2, 2, 3, 3, 1, 2, 2, 2, 2,
478: 3, 2, 1, 4, 3, 4, 6, 4, 0, 2,
479: 1, 0, 1, 3, 3, 3, 3, 3, 3, 3,
480: 3, 3, 3, 3, 3, 3, 3, 4, 4, 4,
481: 4, 4, 4, 4, 4, 5, 3, 3, 1, 2,
482: 2, 2, 2, 2, 2, 2, 4, 4, 4, 2,
483: 3, 3, 1, 1, 1, 1, 3, 2, 0, 2,
484: 5, 2, 3, 4, 3, 2, 2 };
485: extern short yydef[];
486: short yychk []={
487:
488: -1000, -1, -27, -28, 256, -16, -15, -40, -17, 34,
489: 33, -19, -18, -10, 35, -9, 49, 57, -29, -24,
490: -49, 11, 50, -11, -25, -51, 256, 2, -17, -40,
491: 33, 52, 2, 52, 2, 57, 56, -30, 50, 54,
492: -25, -24, -25, -24, -48, 51, 2, 256, 50, 54,
493: -52, 58, 50, -17, 33, -44, -46, -17, -41, -43,
494: 2, -50, -31, -32, 51, 55, -2, -60, 51, 51,
495: 51, 56, 51, 55, -2, -12, 52, -14, 11, 14,
496: 8, 31, 30, 48, 50, -22, 2, 4, 5, 3,
497: -45, 57, -39, -23, -24, -25, 22, 256, -42, 56,
498: 58, -49, -24, -33, -34, -56, -57, -15, 256, -58,
499: 52, 55, -12, 2, 55, 26, 56, 28, 6, 8,
500: 29, 11, 27, 14, 17, 19, 23, 24, 21, 25,
501: 58, -53, -54, -12, -55, 52, 30, 54, 32, 50,
502: -14, -14, -14, -14, -14, -14, 50, -20, -12, -17,
503: 51, -26, -12, 50, 53, -46, 56, 22, -2, 53,
504: -43, -2, -39, 57, 57, -37, -35, -38, -12, -12,
505: -12, 58, -12, 58, -12, 58, -12, 58, -12, 58,
506: -12, -12, 58, -12, 58, -12, 58, -12, -12, -12,
507: -12, -12, -42, 56, -53, -12, 2, -20, 51, 51,
508: -21, 50, 11, 56, 51, -47, -2, 57, -35, -36,
509: 53, -12, -33, -4, -3, -5, -7, -6, -8, 41,
510: 42, 36, 37, 57, 256, -59, 38, 43, 44, 45,
511: 40, 2, 47, 46, -15, -12, -12, -12, -12, -12,
512: -12, -12, -12, 22, 53, -54, -42, 55, 51, -14,
513: 54, 51, -21, -21, -12, -23, 53, 57, -36, -36,
514: -36, -36, -13, -12, -36, 57, 57, 57, -12, 2,
515: 57, 53, -36, 50, 50, 50, 50, 22, -12, 22,
516: 57, -29, -12, 53, 55, -2, 51, 39, 43, 51,
517: 57, 57, -12, -12, -13, -12, 22, 57, 55, 50,
518: 50, -36, 51, 51, 57, 51, 51, -12, -13, 51,
519: 57, 57 };
520: #
521: # define YYFLAG -1000
522: # define YYERROR goto yyerrlab
523: # define YYACCEPT return(0)
524: # define YYABORT return(1)
525:
526: /* parser for yacc output */
527:
528: #ifdef YYDEBUG
529: int yydebug = 0; /* 1 for debugging */
530: #endif
531: YYSTYPE yyv[YYMAXDEPTH]; /* where the values are stored */
532: int yychar = -1; /* current input token number */
533: int yynerrs = 0; /* number of errors */
534: short yyerrflag = 0; /* error recovery flag */
535:
536: yyparse() {
537:
538: short yys[YYMAXDEPTH];
539: short yyj, yym;
540: register YYSTYPE *yypvt;
541: register short yystate, *yyps, yyn;
542: register YYSTYPE *yypv;
543: register short *yyxi;
544:
545: yystate = 0;
546: yychar = -1;
547: yynerrs = 0;
548: yyerrflag = 0;
549: yyps= &yys[-1];
550: yypv= &yyv[-1];
551:
552: yystack: /* put a state and value onto the stack */
553:
554: #ifdef YYDEBUG
555: if( yydebug ) printf( "state %d, char 0%o\n", yystate, yychar );
556: #endif
557: if( ++yyps> &yys[YYMAXDEPTH] ) { yyerror( "yacc stack overflow" ); return(1); }
558: *yyps = yystate;
559: ++yypv;
560: *yypv = yyval;
561:
562: yynewstate:
563:
564: yyn = yypact[yystate];
565:
566: if( yyn<= YYFLAG ) goto yydefault; /* simple state */
567:
568: if( yychar<0 ) if( (yychar=yylex())<0 ) yychar=0;
569: if( (yyn += yychar)<0 || yyn >= YYLAST ) goto yydefault;
570:
571: if( yychk[ yyn=yyact[ yyn ] ] == yychar ){ /* valid shift */
572: yychar = -1;
573: yyval = yylval;
574: yystate = yyn;
575: if( yyerrflag > 0 ) --yyerrflag;
576: goto yystack;
577: }
578:
579: yydefault:
580: /* default state action */
581:
582: if( (yyn=yydef[yystate]) == -2 ) {
583: if( yychar<0 ) if( (yychar=yylex())<0 ) yychar = 0;
584: /* look through exception table */
585:
586: for( yyxi=yyexca; (*yyxi!= (-1)) || (yyxi[1]!=yystate) ; yyxi += 2 ) ; /* VOID */
587:
588: while( *(yyxi+=2) >= 0 ){
589: if( *yyxi == yychar ) break;
590: }
591: if( (yyn = yyxi[1]) < 0 ) return(0); /* accept */
592: }
593:
594: if( yyn == 0 ){ /* error */
595: /* error ... attempt to resume parsing */
596:
597: switch( yyerrflag ){
598:
599: case 0: /* brand new error */
600:
601: yyerror( "syntax error" );
602: yyerrlab:
603: ++yynerrs;
604:
605: case 1:
606: case 2: /* incompletely recovered error ... try again */
607:
608: yyerrflag = 3;
609:
610: /* find a state where "error" is a legal shift action */
611:
612: while ( yyps >= yys ) {
613: yyn = yypact[*yyps] + YYERRCODE;
614: if( yyn>= 0 && yyn < YYLAST && yychk[yyact[yyn]] == YYERRCODE ){
615: yystate = yyact[yyn]; /* simulate a shift of "error" */
616: goto yystack;
617: }
618: yyn = yypact[*yyps];
619:
620: /* the current yyps has no shift onn "error", pop stack */
621:
622: #ifdef YYDEBUG
623: if( yydebug ) printf( "error recovery pops state %d, uncovers %d\n", *yyps, yyps[-1] );
624: #endif
625: --yyps;
626: --yypv;
627: }
628:
629: /* there is no state on the stack with an error shift ... abort */
630:
631: yyabort:
632: return(1);
633:
634:
635: case 3: /* no shift yet; clobber input char */
636:
637: #ifdef YYDEBUG
638: if( yydebug ) printf( "error recovery discards char %d\n", yychar );
639: #endif
640:
641: if( yychar == 0 ) goto yyabort; /* don't discard EOF, quit */
642: yychar = -1;
643: goto yynewstate; /* try again in the same state */
644:
645: }
646:
647: }
648:
649: /* reduction by production yyn */
650:
651: #ifdef YYDEBUG
652: if( yydebug ) printf("reduce %d\n",yyn);
653: #endif
654: yyps -= yyr2[yyn];
655: yypvt = yypv;
656: yypv -= yyr2[yyn];
657: yyval = yypv[1];
658: yym=yyn;
659: /* consult goto table to find next state */
660: yyn = yyr1[yyn];
661: yyj = yypgo[yyn] + *yyps + 1;
662: if( yyj>=YYLAST || yychk[ yystate = yyact[yyj] ] != -yyn ) yystate = yyact[yypgo[yyn]];
663: switch(yym){
664:
665: case 2:
666: # line 137 "../mip/cgram.y"
667: ftnend(); break;
668: case 3:
669: # line 140 "../mip/cgram.y"
670: { curclass = SNULL; blevel = 0; } break;
671: case 4:
672: # line 142 "../mip/cgram.y"
673: { curclass = SNULL; blevel = 0; } break;
674: case 5:
675: # line 146 "../mip/cgram.y"
676: { yypvt[-1].nodep->in.op = FREE; } break;
677: case 6:
678: # line 148 "../mip/cgram.y"
679: { yypvt[-2].nodep->in.op = FREE; } break;
680: case 7:
681: # line 149 "../mip/cgram.y"
682: {
683: defid( tymerge(yypvt[-1].nodep,yypvt[-0].nodep), curclass==STATIC?STATIC:EXTDEF );
684: #ifndef LINT
685: pfstab(stab[yypvt[-0].nodep->tn.rval].sname);
686: #endif
687: } break;
688: case 8:
689: # line 155 "../mip/cgram.y"
690: {
691: if( blevel ) cerror( "function level error" );
692: if( reached ) retstat |= NRETVAL;
693: yypvt[-3].nodep->in.op = FREE;
694: ftnend();
695: } break;
696: case 11:
697: # line 166 "../mip/cgram.y"
698: { blevel = 1; } break;
699: case 13:
700: # line 171 "../mip/cgram.y"
701: { bccode();
702: locctr(PROG);
703: } break;
704: case 14:
705: # line 177 "../mip/cgram.y"
706: { yypvt[-1].nodep->in.op = FREE;
707: #ifndef LINT
708: plcstab(blevel);
709: #endif
710: } break;
711: case 15:
712: # line 183 "../mip/cgram.y"
713: { yypvt[-2].nodep->in.op = FREE;
714: #ifndef LINT
715: plcstab(blevel);
716: #endif
717: } break;
718: case 16:
719: # line 191 "../mip/cgram.y"
720: { yypvt[-1].nodep->in.op = FREE; } break;
721: case 17:
722: # line 193 "../mip/cgram.y"
723: { yypvt[-2].nodep->in.op = FREE; } break;
724: case 19:
725: # line 197 "../mip/cgram.y"
726: { curclass = SNULL; yypvt[-2].nodep->in.op = FREE; } break;
727: case 20:
728: # line 199 "../mip/cgram.y"
729: { curclass = SNULL; yypvt[-1].nodep->in.op = FREE; } break;
730: case 21:
731: # line 201 "../mip/cgram.y"
732: { curclass = SNULL; } break;
733: case 23:
734: # line 205 "../mip/cgram.y"
735: { yyval.nodep = mkty(INT,0,INT); curclass = SNULL; } break;
736: case 24:
737: # line 208 "../mip/cgram.y"
738: { yyval.nodep = yypvt[-0].nodep; } break;
739: case 26:
740: # line 211 "../mip/cgram.y"
741: { yyval.nodep = mkty(INT,0,INT); } break;
742: case 27:
743: # line 213 "../mip/cgram.y"
744: { curclass = SNULL ; } break;
745: case 28:
746: # line 215 "../mip/cgram.y"
747: { yypvt[-2].nodep->in.type = types( yypvt[-2].nodep->in.type, yypvt[-0].nodep->in.type, UNDEF );
748: yypvt[-0].nodep->in.op = FREE;
749: } break;
750: case 29:
751: # line 222 "../mip/cgram.y"
752: { curclass = yypvt[-0].intval; } break;
753: case 31:
754: # line 227 "../mip/cgram.y"
755: { yypvt[-1].nodep->in.type = types( yypvt[-1].nodep->in.type, yypvt[-0].nodep->in.type, UNDEF );
756: yypvt[-0].nodep->in.op = FREE;
757: } break;
758: case 32:
759: # line 231 "../mip/cgram.y"
760: { yypvt[-2].nodep->in.type = types( yypvt[-2].nodep->in.type, yypvt[-1].nodep->in.type, yypvt[-0].nodep->in.type );
761: yypvt[-1].nodep->in.op = yypvt[-0].nodep->in.op = FREE;
762: } break;
763: case 35:
764: # line 239 "../mip/cgram.y"
765: { yyval.nodep = dclstruct(yypvt[-4].intval); } break;
766: case 36:
767: # line 241 "../mip/cgram.y"
768: { yyval.nodep = rstruct(yypvt[-0].intval,0); stwart = instruct; } break;
769: case 37:
770: # line 245 "../mip/cgram.y"
771: { yyval.intval = bstruct(-1,0); stwart = SEENAME; } break;
772: case 38:
773: # line 247 "../mip/cgram.y"
774: { yyval.intval = bstruct(yypvt[-0].intval,0); stwart = SEENAME; } break;
775: case 41:
776: # line 255 "../mip/cgram.y"
777: { moedef( yypvt[-0].intval ); } break;
778: case 42:
779: # line 257 "../mip/cgram.y"
780: { strucoff = yypvt[-0].intval; moedef( yypvt[-2].intval ); } break;
781: case 43:
782: # line 261 "../mip/cgram.y"
783: { yyval.nodep = dclstruct(yypvt[-4].intval); } break;
784: case 44:
785: # line 263 "../mip/cgram.y"
786: { yyval.nodep = rstruct(yypvt[-0].intval,yypvt[-1].intval); } break;
787: case 45:
788: # line 267 "../mip/cgram.y"
789: { yyval.intval = bstruct(-1,yypvt[-0].intval); stwart=0; } break;
790: case 46:
791: # line 269 "../mip/cgram.y"
792: { yyval.intval = bstruct(yypvt[-0].intval,yypvt[-1].intval); stwart=0; } break;
793: case 49:
794: # line 277 "../mip/cgram.y"
795: { curclass = SNULL; stwart=0; yypvt[-1].nodep->in.op = FREE; } break;
796: case 50:
797: # line 279 "../mip/cgram.y"
798: { if( curclass != MOU ){
799: curclass = SNULL;
800: }
801: else {
802: sprintf( fakename, "$%dFAKE", fake++ );
803: #ifdef FLEXSTRINGS
804: /* No need to hash this, we won't look it up */
805: defid( tymerge(yypvt[-0].nodep, bdty(NAME,NIL,lookup( savestr(fakename), SMOS ))), curclass );
806: #else
807: defid( tymerge(yypvt[-0].nodep, bdty(NAME,NIL,lookup( fakename, SMOS ))), curclass );
808: #endif
809: werror("structure typed union member must be named");
810: }
811: stwart = 0;
812: yypvt[-0].nodep->in.op = FREE;
813: } break;
814: case 51:
815: # line 299 "../mip/cgram.y"
816: { defid( tymerge(yypvt[-1].nodep,yypvt[-0].nodep), curclass); stwart = instruct; } break;
817: case 52:
818: # line 300 "../mip/cgram.y"
819: {yyval.nodep=yypvt[-2].nodep;} break;
820: case 53:
821: # line 301 "../mip/cgram.y"
822: { defid( tymerge(yypvt[-4].nodep,yypvt[-0].nodep), curclass); stwart = instruct; } break;
823: case 56:
824: # line 307 "../mip/cgram.y"
825: { if( !(instruct&INSTRUCT) ) uerror( "field outside of structure" );
826: if( yypvt[-0].intval<0 || yypvt[-0].intval >= FIELD ){
827: uerror( "illegal field size" );
828: yypvt[-0].intval = 1;
829: }
830: defid( tymerge(yypvt[-3].nodep,yypvt[-2].nodep), FIELD|yypvt[-0].intval );
831: yyval.nodep = NIL;
832: } break;
833: case 57:
834: # line 317 "../mip/cgram.y"
835: { if( !(instruct&INSTRUCT) ) uerror( "field outside of structure" );
836: falloc( stab, yypvt[-0].intval, -1, yypvt[-2].nodep ); /* alignment or hole */
837: yyval.nodep = NIL;
838: } break;
839: case 58:
840: # line 322 "../mip/cgram.y"
841: { yyval.nodep = NIL; } break;
842: case 59:
843: # line 327 "../mip/cgram.y"
844: { umul:
845: yyval.nodep = bdty( UNARY MUL, yypvt[-0].nodep, 0 ); } break;
846: case 60:
847: # line 330 "../mip/cgram.y"
848: { uftn:
849: yyval.nodep = bdty( UNARY CALL, yypvt[-2].nodep, 0 ); } break;
850: case 61:
851: # line 333 "../mip/cgram.y"
852: { uary:
853: yyval.nodep = bdty( LB, yypvt[-2].nodep, 0 ); } break;
854: case 62:
855: # line 336 "../mip/cgram.y"
856: { bary:
857: if( (int)yypvt[-1].intval <= 0 ) werror( "zero or negative subscript" );
858: yyval.nodep = bdty( LB, yypvt[-3].nodep, yypvt[-1].intval ); } break;
859: case 63:
860: # line 340 "../mip/cgram.y"
861: { yyval.nodep = bdty( NAME, NIL, yypvt[-0].intval ); } break;
862: case 64:
863: # line 342 "../mip/cgram.y"
864: { yyval.nodep=yypvt[-1].nodep; } break;
865: case 65:
866: # line 345 "../mip/cgram.y"
867: { goto umul; } break;
868: case 66:
869: # line 347 "../mip/cgram.y"
870: { goto uftn; } break;
871: case 67:
872: # line 349 "../mip/cgram.y"
873: { goto uary; } break;
874: case 68:
875: # line 351 "../mip/cgram.y"
876: { goto bary; } break;
877: case 69:
878: # line 353 "../mip/cgram.y"
879: { yyval.nodep = yypvt[-1].nodep; } break;
880: case 70:
881: # line 355 "../mip/cgram.y"
882: {
883: if( blevel!=0 ) uerror("function declaration in bad context");
884: yyval.nodep = bdty( UNARY CALL, bdty(NAME,NIL,yypvt[-2].intval), 0 );
885: stwart = 0;
886: } break;
887: case 71:
888: # line 361 "../mip/cgram.y"
889: {
890: yyval.nodep = bdty( UNARY CALL, bdty(NAME,NIL,yypvt[-1].intval), 0 );
891: stwart = 0;
892: } break;
893: case 72:
894: # line 368 "../mip/cgram.y"
895: {
896: /* turn off typedefs for argument names */
897: stwart = SEENAME;
898: if( stab[yypvt[-1].intval].sclass == SNULL )
899: stab[yypvt[-1].intval].stype = FTN;
900: } break;
901: case 73:
902: # line 377 "../mip/cgram.y"
903: { ftnarg( yypvt[-0].intval ); stwart = SEENAME; } break;
904: case 74:
905: # line 379 "../mip/cgram.y"
906: { ftnarg( yypvt[-0].intval ); stwart = SEENAME; } break;
907: case 77:
908: # line 385 "../mip/cgram.y"
909: {yyval.nodep=yypvt[-2].nodep;} break;
910: case 79:
911: # line 389 "../mip/cgram.y"
912: { defid( yypvt[-0].nodep = tymerge(yypvt[-1].nodep,yypvt[-0].nodep), curclass);
913: beginit(yypvt[-0].nodep->tn.rval);
914: } break;
915: case 81:
916: # line 396 "../mip/cgram.y"
917: { nidcl( tymerge(yypvt[-1].nodep,yypvt[-0].nodep) ); } break;
918: case 82:
919: # line 398 "../mip/cgram.y"
920: { defid( tymerge(yypvt[-1].nodep,yypvt[-0].nodep), uclass(curclass) );
921: } break;
922: case 83:
923: # line 402 "../mip/cgram.y"
924: { doinit( yypvt[-0].nodep );
925: endinit(); } break;
926: case 84:
927: # line 405 "../mip/cgram.y"
928: { endinit(); } break;
929: case 88:
930: # line 415 "../mip/cgram.y"
931: { doinit( yypvt[-0].nodep ); } break;
932: case 89:
933: # line 417 "../mip/cgram.y"
934: { irbrace(); } break;
935: case 94:
936: # line 429 "../mip/cgram.y"
937: { werror( "old-fashioned initialization: use =" ); } break;
938: case 96:
939: # line 434 "../mip/cgram.y"
940: { ilbrace(); } break;
941: case 99:
942: # line 444 "../mip/cgram.y"
943: {
944: #ifndef LINT
945: prcstab(blevel);
946: #endif
947: --blevel;
948: if( blevel == 1 ) blevel = 0;
949: clearst( blevel );
950: checkst( blevel );
951: autooff = *--psavbc;
952: regvar = *--psavbc;
953: } break;
954: case 100:
955: # line 458 "../mip/cgram.y"
956: { --blevel;
957: if( blevel == 1 ) blevel = 0;
958: clearst( blevel );
959: checkst( blevel );
960: autooff = *--psavbc;
961: regvar = *--psavbc;
962: } break;
963: case 101:
964: # line 468 "../mip/cgram.y"
965: { if( blevel == 1 ) dclargs();
966: ++blevel;
967: if( psavbc > &asavbc[BCSZ-2] ) cerror( "nesting too deep" );
968: *psavbc++ = regvar;
969: *psavbc++ = autooff;
970: } break;
971: case 102:
972: # line 477 "../mip/cgram.y"
973: { ecomp( yypvt[-1].nodep ); } break;
974: case 104:
975: # line 480 "../mip/cgram.y"
976: { deflab(yypvt[-1].intval);
977: reached = 1;
978: } break;
979: case 105:
980: # line 484 "../mip/cgram.y"
981: { if( yypvt[-1].intval != NOLAB ){
982: deflab( yypvt[-1].intval );
983: reached = 1;
984: }
985: } break;
986: case 106:
987: # line 490 "../mip/cgram.y"
988: { branch( contlab );
989: deflab( brklab );
990: if( (flostat&FBRK) || !(flostat&FLOOP)) reached = 1;
991: else reached = 0;
992: resetbc(0);
993: } break;
994: case 107:
995: # line 497 "../mip/cgram.y"
996: { deflab( contlab );
997: if( flostat & FCONT ) reached = 1;
998: ecomp( buildtree( CBRANCH, buildtree( NOT, yypvt[-2].nodep, NIL ), bcon( yypvt[-6].intval ) ) );
999: deflab( brklab );
1000: reached = 1;
1001: resetbc(0);
1002: } break;
1003: case 108:
1004: # line 505 "../mip/cgram.y"
1005: { deflab( contlab );
1006: if( flostat&FCONT ) reached = 1;
1007: if( yypvt[-2].nodep ) ecomp( yypvt[-2].nodep );
1008: branch( yypvt[-3].intval );
1009: deflab( brklab );
1010: if( (flostat&FBRK) || !(flostat&FLOOP) ) reached = 1;
1011: else reached = 0;
1012: resetbc(0);
1013: } break;
1014: case 109:
1015: # line 515 "../mip/cgram.y"
1016: { if( reached ) branch( brklab );
1017: deflab( yypvt[-1].intval );
1018: swend();
1019: deflab(brklab);
1020: if( (flostat&FBRK) || !(flostat&FDEF) ) reached = 1;
1021: resetbc(FCONT);
1022: } break;
1023: case 110:
1024: # line 523 "../mip/cgram.y"
1025: { if( brklab == NOLAB ) uerror( "illegal break");
1026: else if(reached) branch( brklab );
1027: flostat |= FBRK;
1028: if( brkflag ) goto rch;
1029: reached = 0;
1030: } break;
1031: case 111:
1032: # line 530 "../mip/cgram.y"
1033: { if( contlab == NOLAB ) uerror( "illegal continue");
1034: else branch( contlab );
1035: flostat |= FCONT;
1036: goto rch;
1037: } break;
1038: case 112:
1039: # line 536 "../mip/cgram.y"
1040: { retstat |= NRETVAL;
1041: branch( retlab );
1042: rch:
1043: if( !reached ) werror( "statement not reached");
1044: reached = 0;
1045: } break;
1046: case 113:
1047: # line 543 "../mip/cgram.y"
1048: { register NODE *temp;
1049: idname = curftn;
1050: temp = buildtree( NAME, NIL, NIL );
1051: if(temp->in.type == TVOID)
1052: uerror("void function %s cannot return value",
1053: stab[idname].sname);
1054: temp->in.type = DECREF( temp->in.type );
1055: temp = buildtree( RETURN, temp, yypvt[-1].nodep );
1056: /* now, we have the type of the RHS correct */
1057: temp->in.left->in.op = FREE;
1058: temp->in.op = FREE;
1059: ecomp( buildtree( FORCE, temp->in.right, NIL ) );
1060: retstat |= RETVAL;
1061: branch( retlab );
1062: reached = 0;
1063: } break;
1064: case 114:
1065: # line 560 "../mip/cgram.y"
1066: { register NODE *q;
1067: q = block( FREE, NIL, NIL, INT|ARY, 0, INT );
1068: q->tn.rval = idname = yypvt[-1].intval;
1069: defid( q, ULABEL );
1070: stab[idname].suse = -lineno;
1071: branch( stab[idname].offset );
1072: goto rch;
1073: } break;
1074: case 119:
1075: # line 574 "../mip/cgram.y"
1076: { register NODE *q;
1077: q = block( FREE, NIL, NIL, INT|ARY, 0, LABEL );
1078: q->tn.rval = yypvt[-1].intval;
1079: defid( q, LABEL );
1080: reached = 1;
1081: } break;
1082: case 120:
1083: # line 581 "../mip/cgram.y"
1084: { addcase(yypvt[-1].nodep);
1085: reached = 1;
1086: } break;
1087: case 121:
1088: # line 585 "../mip/cgram.y"
1089: { reached = 1;
1090: adddef();
1091: flostat |= FDEF;
1092: } break;
1093: case 122:
1094: # line 591 "../mip/cgram.y"
1095: { savebc();
1096: if( !reached ) werror( "loop not entered at top");
1097: brklab = getlab();
1098: contlab = getlab();
1099: deflab( yyval.intval = getlab() );
1100: reached = 1;
1101: } break;
1102: case 123:
1103: # line 600 "../mip/cgram.y"
1104: { ecomp( buildtree( CBRANCH, yypvt[-1].nodep, bcon( yyval.intval=getlab()) ) ) ;
1105: reached = 1;
1106: } break;
1107: case 124:
1108: # line 605 "../mip/cgram.y"
1109: { if( reached ) branch( yyval.intval = getlab() );
1110: else yyval.intval = NOLAB;
1111: deflab( yypvt[-2].intval );
1112: reached = 1;
1113: } break;
1114: case 125:
1115: # line 613 "../mip/cgram.y"
1116: { savebc();
1117: if( !reached ) werror( "loop not entered at top");
1118: if( yypvt[-1].nodep->in.op == ICON && yypvt[-1].nodep->tn.lval != 0 ) flostat = FLOOP;
1119: deflab( contlab = getlab() );
1120: reached = 1;
1121: brklab = getlab();
1122: if( flostat == FLOOP ) tfree( yypvt[-1].nodep );
1123: else ecomp( buildtree( CBRANCH, yypvt[-1].nodep, bcon( brklab) ) );
1124: } break;
1125: case 126:
1126: # line 624 "../mip/cgram.y"
1127: { if( yypvt[-3].nodep ) ecomp( yypvt[-3].nodep );
1128: else if( !reached ) werror( "loop not entered at top");
1129: savebc();
1130: contlab = getlab();
1131: brklab = getlab();
1132: deflab( yyval.intval = getlab() );
1133: reached = 1;
1134: if( yypvt[-1].nodep ) ecomp( buildtree( CBRANCH, yypvt[-1].nodep, bcon( brklab) ) );
1135: else flostat |= FLOOP;
1136: } break;
1137: case 127:
1138: # line 636 "../mip/cgram.y"
1139: { savebc();
1140: brklab = getlab();
1141: ecomp( buildtree( FORCE, yypvt[-1].nodep, NIL ) );
1142: branch( yyval.intval = getlab() );
1143: swstart();
1144: reached = 0;
1145: } break;
1146: case 128:
1147: # line 645 "../mip/cgram.y"
1148: { yyval.intval=instruct; stwart=instruct=0; } break;
1149: case 129:
1150: # line 647 "../mip/cgram.y"
1151: { yyval.intval = icons( yypvt[-0].nodep ); instruct=yypvt[-1].intval; } break;
1152: case 131:
1153: # line 651 "../mip/cgram.y"
1154: { yyval.nodep=0; } break;
1155: case 133:
1156: # line 656 "../mip/cgram.y"
1157: { goto bop; } break;
1158: case 134:
1159: # line 660 "../mip/cgram.y"
1160: {
1161: preconf:
1162: if( yychar==RELOP||yychar==EQUOP||yychar==AND||yychar==OR||yychar==ER ){
1163: precplaint:
1164: if( hflag ) werror( "precedence confusion possible: parenthesize!" );
1165: }
1166: bop:
1167: yyval.nodep = buildtree( yypvt[-1].intval, yypvt[-2].nodep, yypvt[-0].nodep );
1168: } break;
1169: case 135:
1170: # line 670 "../mip/cgram.y"
1171: { yypvt[-1].intval = COMOP;
1172: goto bop;
1173: } break;
1174: case 136:
1175: # line 674 "../mip/cgram.y"
1176: { goto bop; } break;
1177: case 137:
1178: # line 676 "../mip/cgram.y"
1179: { if(yychar==SHIFTOP) goto precplaint; else goto bop; } break;
1180: case 138:
1181: # line 678 "../mip/cgram.y"
1182: { if(yychar==SHIFTOP ) goto precplaint; else goto bop; } break;
1183: case 139:
1184: # line 680 "../mip/cgram.y"
1185: { if(yychar==PLUS||yychar==MINUS) goto precplaint; else goto bop; } break;
1186: case 140:
1187: # line 682 "../mip/cgram.y"
1188: { goto bop; } break;
1189: case 141:
1190: # line 684 "../mip/cgram.y"
1191: { goto preconf; } break;
1192: case 142:
1193: # line 686 "../mip/cgram.y"
1194: { if( yychar==RELOP||yychar==EQUOP ) goto preconf; else goto bop; } break;
1195: case 143:
1196: # line 688 "../mip/cgram.y"
1197: { if(yychar==RELOP||yychar==EQUOP) goto preconf; else goto bop; } break;
1198: case 144:
1199: # line 690 "../mip/cgram.y"
1200: { if(yychar==RELOP||yychar==EQUOP) goto preconf; else goto bop; } break;
1201: case 145:
1202: # line 692 "../mip/cgram.y"
1203: { goto bop; } break;
1204: case 146:
1205: # line 694 "../mip/cgram.y"
1206: { goto bop; } break;
1207: case 147:
1208: # line 696 "../mip/cgram.y"
1209: { abop:
1210: yyval.nodep = buildtree( ASG yypvt[-2].intval, yypvt[-3].nodep, yypvt[-0].nodep );
1211: } break;
1212: case 148:
1213: # line 700 "../mip/cgram.y"
1214: { goto abop; } break;
1215: case 149:
1216: # line 702 "../mip/cgram.y"
1217: { goto abop; } break;
1218: case 150:
1219: # line 704 "../mip/cgram.y"
1220: { goto abop; } break;
1221: case 151:
1222: # line 706 "../mip/cgram.y"
1223: { goto abop; } break;
1224: case 152:
1225: # line 708 "../mip/cgram.y"
1226: { goto abop; } break;
1227: case 153:
1228: # line 710 "../mip/cgram.y"
1229: { goto abop; } break;
1230: case 154:
1231: # line 712 "../mip/cgram.y"
1232: { goto abop; } break;
1233: case 155:
1234: # line 714 "../mip/cgram.y"
1235: { yyval.nodep=buildtree(QUEST, yypvt[-4].nodep, buildtree( COLON, yypvt[-2].nodep, yypvt[-0].nodep ) );
1236: } break;
1237: case 156:
1238: # line 717 "../mip/cgram.y"
1239: { werror( "old-fashioned assignment operator" ); goto bop; } break;
1240: case 157:
1241: # line 719 "../mip/cgram.y"
1242: { goto bop; } break;
1243: case 159:
1244: # line 723 "../mip/cgram.y"
1245: { yyval.nodep = buildtree( yypvt[-0].intval, yypvt[-1].nodep, bcon(1) ); } break;
1246: case 160:
1247: # line 725 "../mip/cgram.y"
1248: { ubop:
1249: yyval.nodep = buildtree( UNARY yypvt[-1].intval, yypvt[-0].nodep, NIL );
1250: } break;
1251: case 161:
1252: # line 729 "../mip/cgram.y"
1253: { if( ISFTN(yypvt[-0].nodep->in.type) || ISARY(yypvt[-0].nodep->in.type) ){
1254: werror( "& before array or function: ignored" );
1255: yyval.nodep = yypvt[-0].nodep;
1256: }
1257: else goto ubop;
1258: } break;
1259: case 162:
1260: # line 736 "../mip/cgram.y"
1261: { goto ubop; } break;
1262: case 163:
1263: # line 738 "../mip/cgram.y"
1264: {
1265: yyval.nodep = buildtree( yypvt[-1].intval, yypvt[-0].nodep, NIL );
1266: } break;
1267: case 164:
1268: # line 742 "../mip/cgram.y"
1269: { yyval.nodep = buildtree( yypvt[-1].intval==INCR ? ASG PLUS : ASG MINUS,
1270: yypvt[-0].nodep,
1271: bcon(1) );
1272: } break;
1273: case 165:
1274: # line 747 "../mip/cgram.y"
1275: { yyval.nodep = doszof( yypvt[-0].nodep ); } break;
1276: case 166:
1277: # line 749 "../mip/cgram.y"
1278: { yyval.nodep = buildtree( CAST, yypvt[-2].nodep, yypvt[-0].nodep );
1279: yyval.nodep->in.left->in.op = FREE;
1280: yyval.nodep->in.op = FREE;
1281: yyval.nodep = yyval.nodep->in.right;
1282: } break;
1283: case 167:
1284: # line 755 "../mip/cgram.y"
1285: { yyval.nodep = doszof( yypvt[-1].nodep ); } break;
1286: case 168:
1287: # line 757 "../mip/cgram.y"
1288: { yyval.nodep = buildtree( UNARY MUL, buildtree( PLUS, yypvt[-3].nodep, yypvt[-1].nodep ), NIL ); } break;
1289: case 169:
1290: # line 759 "../mip/cgram.y"
1291: { yyval.nodep=buildtree(UNARY CALL,yypvt[-1].nodep,NIL); } break;
1292: case 170:
1293: # line 761 "../mip/cgram.y"
1294: { yyval.nodep=buildtree(CALL,yypvt[-2].nodep,yypvt[-1].nodep); } break;
1295: case 171:
1296: # line 763 "../mip/cgram.y"
1297: { if( yypvt[-1].intval == DOT ){
1298: if( notlval( yypvt[-2].nodep ) )uerror("structure reference must be addressable");
1299: yypvt[-2].nodep = buildtree( UNARY AND, yypvt[-2].nodep, NIL );
1300: }
1301: idname = yypvt[-0].intval;
1302: yyval.nodep = buildtree( STREF, yypvt[-2].nodep, buildtree( NAME, NIL, NIL ) );
1303: } break;
1304: case 172:
1305: # line 771 "../mip/cgram.y"
1306: { idname = yypvt[-0].intval;
1307: /* recognize identifiers in initializations */
1308: if( blevel==0 && stab[idname].stype == UNDEF ) {
1309: register NODE *q;
1310: #ifndef FLEXNAMES
1311: werror( "undeclared initializer name %.8s", stab[idname].sname );
1312: #else
1313: werror( "undeclared initializer name %s", stab[idname].sname );
1314: #endif
1315: q = block( FREE, NIL, NIL, INT, 0, INT );
1316: q->tn.rval = idname;
1317: defid( q, EXTERN );
1318: }
1319: yyval.nodep=buildtree(NAME,NIL,NIL);
1320: stab[yypvt[-0].intval].suse = -lineno;
1321: } break;
1322: case 173:
1323: # line 788 "../mip/cgram.y"
1324: { yyval.nodep=bcon(0);
1325: yyval.nodep->tn.lval = lastcon;
1326: yyval.nodep->tn.rval = NONAME;
1327: if( yypvt[-0].intval ) yyval.nodep->fn.csiz = yyval.nodep->in.type = ctype(LONG);
1328: } break;
1329: case 174:
1330: # line 794 "../mip/cgram.y"
1331: { yyval.nodep=buildtree(FCON,NIL,NIL);
1332: yyval.nodep->fpn.dval = dcon;
1333: } break;
1334: case 175:
1335: # line 798 "../mip/cgram.y"
1336: { yyval.nodep = getstr(); /* get string contents */ } break;
1337: case 176:
1338: # line 800 "../mip/cgram.y"
1339: { yyval.nodep=yypvt[-1].nodep; } break;
1340: case 177:
1341: # line 804 "../mip/cgram.y"
1342: {
1343: yyval.nodep = tymerge( yypvt[-1].nodep, yypvt[-0].nodep );
1344: yyval.nodep->in.op = NAME;
1345: yypvt[-1].nodep->in.op = FREE;
1346: } break;
1347: case 178:
1348: # line 812 "../mip/cgram.y"
1349: { yyval.nodep = bdty( NAME, NIL, -1 ); } break;
1350: case 179:
1351: # line 814 "../mip/cgram.y"
1352: { yyval.nodep = bdty( UNARY CALL, bdty(NAME,NIL,-1),0); } break;
1353: case 180:
1354: # line 816 "../mip/cgram.y"
1355: { yyval.nodep = bdty( UNARY CALL, yypvt[-3].nodep, 0 ); } break;
1356: case 181:
1357: # line 818 "../mip/cgram.y"
1358: { goto umul; } break;
1359: case 182:
1360: # line 820 "../mip/cgram.y"
1361: { goto uary; } break;
1362: case 183:
1363: # line 822 "../mip/cgram.y"
1364: { goto bary; } break;
1365: case 184:
1366: # line 824 "../mip/cgram.y"
1367: { yyval.nodep = yypvt[-1].nodep; } break;
1368: case 185:
1369: # line 828 "../mip/cgram.y"
1370: { if( stab[yypvt[-1].intval].stype == UNDEF ){
1371: register NODE *q;
1372: q = block( FREE, NIL, NIL, FTN|INT, 0, INT );
1373: q->tn.rval = yypvt[-1].intval;
1374: defid( q, EXTERN );
1375: }
1376: idname = yypvt[-1].intval;
1377: yyval.nodep=buildtree(NAME,NIL,NIL);
1378: stab[idname].suse = -lineno;
1379: } break;
1380: }
1381: goto yystack; /* stack new state and value */
1382:
1383: }
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