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Up to [Power 6/32 Unix Tahoe 4.2BSD] / cci / usr / src / usr.bin / lint|
Return to cgram.c CVS log | Up to [Power 6/32 Unix Tahoe 4.2BSD] / cci / usr / src / usr.bin / lint |
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 "/usr/src/lib/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, yyval;
60:
61: # line 127 "/usr/src/lib/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 "/usr/src/lib/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: short yyexca[] ={
218: -1, 1,
219: 0, -1,
220: 2, 23,
221: 11, 23,
222: 50, 23,
223: 57, 23,
224: -2, 0,
225: -1, 19,
226: 56, 82,
227: 57, 82,
228: -2, 7,
229: -1, 24,
230: 56, 81,
231: 57, 81,
232: -2, 79,
233: -1, 26,
234: 56, 85,
235: 57, 85,
236: -2, 80,
237: -1, 32,
238: 52, 46,
239: -2, 44,
240: -1, 34,
241: 52, 38,
242: -2, 36,
243: -1, 109,
244: 33, 18,
245: 34, 18,
246: 35, 18,
247: 49, 18,
248: -2, 13,
249: -1, 280,
250: 33, 16,
251: 34, 16,
252: 35, 16,
253: 49, 16,
254: -2, 14,
255: -1, 297,
256: 33, 17,
257: 34, 17,
258: 35, 17,
259: 49, 17,
260: -2, 15,
261: };
262: # define YYNPROD 187
263: # define YYLAST 1228
264: short yyact[]={
265:
266: 211, 18, 262, 93, 231, 89, 87, 88, 27, 209,
267: 80, 200, 132, 78, 6, 147, 79, 21, 10, 9,
268: 14, 20, 100, 166, 51, 131, 27, 311, 96, 92,
269: 310, 46, 82, 81, 16, 21, 98, 110, 221, 222,
270: 226, 59, 230, 219, 220, 227, 228, 229, 233, 232,
271: 83, 75, 84, 304, 110, 256, 22, 66, 56, 223,
272: 231, 89, 87, 88, 27, 291, 80, 266, 112, 78,
273: 36, 297, 79, 21, 22, 271, 265, 133, 107, 270,
274: 45, 280, 212, 101, 27, 148, 152, 204, 82, 81,
275: 164, 24, 203, 21, 221, 222, 226, 91, 230, 219,
276: 220, 227, 228, 229, 233, 232, 83, 74, 84, 193,
277: 110, 210, 22, 40, 42, 223, 168, 169, 170, 172,
278: 174, 176, 178, 180, 181, 183, 185, 187, 188, 189,
279: 190, 191, 22, 27, 94, 133, 156, 162, 195, 17,
280: 19, 160, 21, 10, 9, 14, 103, 148, 99, 95,
281: 155, 156, 207, 96, 158, 298, 41, 43, 161, 16,
282: 194, 284, 197, 36, 35, 70, 77, 114, 192, 157,
283: 71, 136, 235, 138, 236, 38, 237, 111, 238, 39,
284: 239, 22, 234, 240, 73, 241, 250, 242, 163, 208,
285: 286, 139, 65, 250, 133, 137, 102, 48, 48, 95,
286: 202, 49, 49, 283, 254, 244, 245, 38, 69, 255,
287: 33, 39, 159, 252, 253, 206, 48, 68, 263, 31,
288: 49, 8, 268, 258, 259, 260, 261, 154, 264, 28,
289: 306, 246, 289, 278, 202, 272, 281, 277, 248, 201,
290: 251, 108, 198, 27, 282, 140, 141, 142, 143, 144,
291: 145, 53, 21, 57, 10, 9, 14, 72, 224, 64,
292: 300, 299, 97, 276, 275, 153, 274, 273, 153, 52,
293: 16, 288, 287, 201, 292, 293, 263, 295, 294, 9,
294: 26, 231, 89, 87, 88, 47, 10, 80, 14, 54,
295: 78, 22, 30, 79, 121, 279, 269, 95, 196, 301,
296: 60, 307, 16, 7, 113, 263, 149, 308, 285, 82,
297: 81, 117, 29, 57, 224, 221, 222, 226, 26, 230,
298: 219, 220, 227, 228, 229, 233, 232, 83, 67, 84,
299: 34, 110, 118, 32, 119, 225, 223, 121, 26, 118,
300: 123, 119, 109, 124, 121, 125, 106, 128, 105, 126,
301: 127, 129, 115, 122, 117, 120, 134, 50, 25, 115,
302: 122, 117, 120, 61, 44, 249, 4, 205, 149, 102,
303: 118, 90, 119, 55, 58, 121, 167, 309, 118, 165,
304: 119, 104, 116, 121, 130, 63, 123, 97, 62, 124,
305: 37, 125, 117, 128, 3, 126, 127, 129, 115, 122,
306: 117, 120, 2, 151, 85, 11, 12, 5, 23, 13,
307: 15, 218, 216, 217, 118, 249, 119, 215, 213, 121,
308: 214, 1, 123, 305, 0, 124, 0, 125, 116, 128,
309: 130, 126, 127, 129, 115, 122, 117, 120, 0, 0,
310: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
311: 118, 0, 119, 0, 0, 121, 0, 0, 123, 303,
312: 0, 124, 0, 125, 116, 128, 130, 126, 127, 129,
313: 115, 122, 117, 120, 0, 0, 0, 0, 0, 0,
314: 0, 0, 0, 0, 0, 0, 0, 0, 118, 0,
315: 119, 0, 118, 121, 119, 302, 123, 121, 0, 124,
316: 116, 125, 130, 128, 296, 126, 127, 129, 115, 122,
317: 117, 120, 115, 0, 117, 120, 0, 0, 0, 0,
318: 0, 0, 0, 0, 0, 0, 118, 0, 119, 0,
319: 0, 121, 0, 0, 123, 224, 0, 124, 116, 125,
320: 130, 128, 0, 126, 127, 129, 115, 122, 117, 120,
321: 118, 0, 119, 0, 0, 121, 0, 118, 123, 119,
322: 0, 124, 121, 125, 0, 128, 0, 126, 127, 129,
323: 115, 122, 117, 120, 0, 0, 116, 290, 130, 117,
324: 120, 0, 0, 0, 0, 0, 0, 0, 0, 0,
325: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
326: 116, 257, 130, 118, 0, 119, 0, 0, 121, 0,
327: 0, 123, 0, 0, 124, 0, 125, 0, 128, 0,
328: 126, 127, 129, 115, 122, 117, 120, 118, 0, 119,
329: 0, 0, 121, 0, 0, 123, 0, 0, 124, 0,
330: 125, 0, 128, 243, 126, 127, 129, 115, 122, 117,
331: 120, 0, 247, 116, 0, 130, 0, 0, 0, 0,
332: 0, 0, 0, 118, 0, 119, 0, 118, 121, 119,
333: 0, 123, 121, 0, 124, 123, 125, 116, 128, 130,
334: 126, 127, 129, 115, 122, 117, 120, 115, 122, 117,
335: 120, 0, 0, 0, 0, 0, 0, 0, 0, 118,
336: 0, 119, 0, 0, 121, 0, 0, 123, 199, 0,
337: 124, 0, 125, 116, 128, 130, 126, 127, 129, 115,
338: 122, 117, 120, 118, 0, 119, 0, 0, 121, 0,
339: 0, 123, 0, 0, 124, 0, 125, 0, 128, 0,
340: 126, 127, 129, 115, 122, 117, 120, 0, 0, 116,
341: 0, 130, 86, 89, 87, 88, 0, 0, 80, 0,
342: 0, 78, 0, 0, 79, 86, 89, 87, 88, 0,
343: 0, 80, 0, 0, 78, 130, 0, 79, 0, 0,
344: 82, 81, 0, 0, 0, 0, 0, 0, 0, 0,
345: 0, 0, 0, 82, 81, 0, 0, 0, 83, 0,
346: 84, 0, 0, 86, 89, 87, 88, 0, 186, 80,
347: 0, 83, 78, 84, 0, 79, 86, 89, 87, 88,
348: 0, 184, 80, 0, 0, 78, 0, 0, 79, 0,
349: 0, 82, 81, 0, 0, 0, 0, 0, 0, 0,
350: 0, 0, 0, 0, 82, 81, 0, 0, 0, 83,
351: 0, 84, 0, 0, 86, 89, 87, 88, 0, 182,
352: 80, 0, 83, 78, 84, 0, 79, 86, 89, 87,
353: 88, 0, 179, 80, 0, 0, 78, 0, 0, 79,
354: 0, 0, 82, 81, 0, 0, 0, 0, 0, 0,
355: 0, 0, 0, 0, 0, 82, 81, 0, 0, 0,
356: 83, 0, 84, 0, 0, 86, 89, 87, 88, 0,
357: 177, 80, 0, 83, 78, 84, 0, 79, 86, 89,
358: 87, 88, 0, 175, 80, 0, 0, 78, 0, 0,
359: 79, 0, 0, 82, 81, 0, 0, 0, 0, 0,
360: 0, 0, 0, 0, 0, 0, 82, 81, 0, 0,
361: 0, 83, 0, 84, 0, 0, 86, 89, 87, 88,
362: 0, 173, 80, 0, 83, 78, 84, 0, 79, 86,
363: 89, 87, 88, 0, 171, 80, 0, 0, 78, 0,
364: 0, 79, 0, 0, 82, 81, 118, 0, 119, 0,
365: 0, 121, 0, 0, 123, 0, 0, 82, 81, 125,
366: 0, 0, 83, 0, 84, 0, 115, 122, 117, 120,
367: 0, 267, 0, 0, 0, 83, 0, 84, 0, 135,
368: 86, 89, 87, 88, 0, 0, 80, 0, 0, 78,
369: 0, 0, 79, 86, 89, 87, 88, 0, 0, 80,
370: 0, 0, 78, 0, 0, 79, 0, 0, 82, 81,
371: 0, 10, 0, 14, 0, 0, 0, 0, 0, 0,
372: 0, 82, 81, 0, 0, 0, 83, 16, 84, 0,
373: 0, 0, 0, 86, 89, 87, 88, 0, 0, 83,
374: 0, 84, 0, 76, 86, 89, 87, 88, 0, 0,
375: 80, 0, 0, 78, 0, 0, 79, 86, 89, 87,
376: 88, 82, 81, 80, 0, 0, 78, 0, 0, 79,
377: 0, 0, 82, 81, 0, 0, 0, 0, 0, 83,
378: 0, 84, 0, 0, 0, 82, 81, 0, 0, 0,
379: 83, 0, 84, 150, 0, 86, 89, 87, 88, 0,
380: 0, 80, 0, 83, 78, 84, 0, 79, 0, 0,
381: 0, 0, 0, 0, 118, 0, 119, 0, 0, 121,
382: 0, 0, 123, 82, 81, 124, 0, 125, 0, 128,
383: 0, 126, 127, 0, 115, 122, 117, 120, 0, 0,
384: 118, 83, 119, 146, 0, 121, 0, 0, 123, 0,
385: 0, 124, 0, 125, 0, 0, 0, 126, 0, 0,
386: 115, 122, 117, 120, 118, 0, 119, 0, 0, 121,
387: 0, 0, 123, 0, 0, 124, 0, 125, 0, 0,
388: 0, 0, 0, 0, 115, 122, 117, 120 };
389: short yypact[]={
390:
391: -1000, 110,-1000,-1000,-1000, 82,-1000, 253, 245,-1000,
392: 259,-1000,-1000, 167, 331, 158, 328,-1000, 107, 125,
393: -1000, 241, 241, 29, 148, -34,-1000, 219,-1000, 253,
394: 256, 253,-1000, 298,-1000,-1000,-1000,-1000, 208, 137,
395: 148, 125, 166, 157, 114,-1000,-1000,-1000, 206, 129,
396: 1031,-1000,-1000,-1000,-1000, 40,-1000, 6, 92,-1000,
397: -36, 62,-1000, -15,-1000,-1000, 122,1095,-1000,-1000,
398: -1000, 302,-1000,-1000, 112, 717, 967, 141,1095,1095,
399: 1095,1095,1095,1133,1018,1082, 218,-1000,-1000,-1000,
400: 174, 253, 80,-1000, 125, 147,-1000,-1000, 159, 298,
401: -1000,-1000, 125,-1000,-1000,-1000,-1000, 131, 33,-1000,
402: -1000,-1000, 717,-1000,-1000,1095,1095, 916, 903, 865,
403: 852, 814,1095, 801, 763, 750,1095,1095,1095,1095,
404: 1095, 53,-1000, 717, 967,-1000,-1000,1095, 296,-1000,
405: 141, 141, 141, 141, 141, 141,1018, 191, 657, 223,
406: -1000, 36, 717,-1000,-1000,-1000,-1000,-1000,-1000,-1000,
407: -1000,-1000, 95,-1000,-1000,-1000, 58, 221, 551, 717,
408: -1000,1095, 283,1095, 283,1095, 364,1095,-1000,1095,
409: 486, 333,1095, 980,1095, 661,1095,1198,1174, 621,
410: 717, 717, 152, 967, 53, 597,-1000, 187,1095,-1000,
411: 132, 189, 223,1095,-1000, 6,-1000,-1000, 2,-1000,
412: -1000, 544,-1000, 279, 279, 279, 279,1095, 279, 19,
413: 10, 954, 294,-1000, 22, 279, 217, 216,-1000, 214,
414: 213, 215,1095, 273, 24, 717, 717, 717, 717, 717,
415: 717, 717, 717,1095,-1000,-1000, 150,-1000,1071, 141,
416: 106,-1000, 139, 132, 717,-1000,-1000,-1000, 233,-1000,
417: -1000, 228, 181, 693,-1000,-1000,-1000,-1000, 520, 8,
418: -1000,-1000,-1000,1095,1095,1095,1095,-1000, 482,-1000,
419: -1000, 14,1148,-1000,-1000, 100, 211,-1000, 210, 279,
420: -1000,-1000, 444, 408, -4, 372,-1000,-1000,-1000, 179,
421: 1095,-1000,-1000,-1000,1095,-1000,-1000, 326, -27, -30,
422: -1000,-1000 };
423: short yypgo[]={
424:
425: 0, 421, 57, 420, 418, 417, 413, 412, 411, 410,
426: 409, 408, 0, 2, 166, 14, 407, 221, 406, 405,
427: 15, 11, 404, 3, 134, 91, 403, 402, 394, 1,
428: 390, 388, 385, 82, 381, 23, 9, 379, 376, 29,
429: 303, 374, 36, 41, 373, 371, 58, 367, 364, 21,
430: 363, 358, 357, 25, 12, 356, 348, 346, 342, 335,
431: 328 };
432: short yyr1[]={
433:
434: 0, 1, 1, 27, 27, 28, 28, 30, 28, 31,
435: 32, 32, 35, 35, 37, 37, 38, 38, 38, 34,
436: 34, 34, 16, 16, 15, 15, 15, 15, 15, 40,
437: 17, 17, 17, 17, 17, 18, 18, 9, 9, 41,
438: 41, 43, 43, 19, 19, 10, 10, 44, 44, 46,
439: 46, 39, 47, 39, 23, 23, 23, 23, 23, 25,
440: 25, 25, 25, 25, 25, 24, 24, 24, 24, 24,
441: 24, 24, 11, 48, 48, 48, 29, 50, 29, 51,
442: 51, 49, 49, 49, 49, 49, 53, 53, 54, 54,
443: 42, 42, 45, 45, 52, 52, 55, 33, 33, 56,
444: 57, 58, 36, 36, 36, 36, 36, 36, 36, 36,
445: 36, 36, 36, 36, 36, 36, 36, 36, 36, 59,
446: 59, 59, 7, 4, 3, 5, 6, 8, 60, 2,
447: 13, 13, 26, 26, 12, 12, 12, 12, 12, 12,
448: 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
449: 12, 12, 12, 12, 12, 12, 12, 12, 12, 14,
450: 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
451: 14, 14, 14, 14, 14, 14, 14, 20, 21, 21,
452: 21, 21, 21, 21, 21, 22, 22 };
453: short yyr2[]={
454:
455: 0, 2, 0, 1, 1, 2, 3, 0, 4, 2,
456: 2, 0, 2, 0, 3, 4, 3, 4, 0, 3,
457: 2, 2, 1, 0, 2, 2, 1, 1, 3, 1,
458: 1, 2, 3, 1, 1, 5, 2, 1, 2, 1,
459: 3, 1, 3, 5, 2, 1, 2, 1, 3, 2,
460: 1, 1, 0, 4, 1, 1, 3, 2, 1, 2,
461: 3, 3, 4, 1, 3, 2, 3, 3, 4, 3,
462: 3, 2, 2, 1, 3, 1, 1, 0, 4, 1,
463: 1, 1, 1, 3, 6, 1, 1, 3, 1, 4,
464: 0, 1, 0, 1, 0, 1, 1, 1, 1, 4,
465: 3, 1, 2, 1, 2, 2, 2, 7, 4, 2,
466: 2, 2, 2, 3, 3, 1, 2, 2, 2, 2,
467: 3, 2, 1, 4, 3, 4, 6, 4, 0, 2,
468: 1, 0, 1, 3, 3, 3, 3, 3, 3, 3,
469: 3, 3, 3, 3, 3, 3, 3, 4, 4, 4,
470: 4, 4, 4, 4, 4, 5, 3, 3, 1, 2,
471: 2, 2, 2, 2, 2, 2, 4, 4, 4, 2,
472: 3, 3, 1, 1, 1, 1, 3, 2, 0, 2,
473: 5, 2, 3, 4, 3, 2, 2 };
474: short yychk[]={
475:
476: -1000, -1, -27, -28, 256, -16, -15, -40, -17, 34,
477: 33, -19, -18, -10, 35, -9, 49, 57, -29, -24,
478: -49, 11, 50, -11, -25, -51, 256, 2, -17, -40,
479: 33, 52, 2, 52, 2, 57, 56, -30, 50, 54,
480: -25, -24, -25, -24, -48, 51, 2, 256, 50, 54,
481: -52, 58, 50, -17, 33, -44, -46, -17, -41, -43,
482: 2, -50, -31, -32, 51, 55, -2, -60, 51, 51,
483: 51, 56, 51, 55, -2, -12, 52, -14, 11, 14,
484: 8, 31, 30, 48, 50, -22, 2, 4, 5, 3,
485: -45, 57, -39, -23, -24, -25, 22, 256, -42, 56,
486: 58, -49, -24, -33, -34, -56, -57, -15, 256, -58,
487: 52, 55, -12, 2, 55, 26, 56, 28, 6, 8,
488: 29, 11, 27, 14, 17, 19, 23, 24, 21, 25,
489: 58, -53, -54, -12, -55, 52, 30, 54, 32, 50,
490: -14, -14, -14, -14, -14, -14, 50, -20, -12, -17,
491: 51, -26, -12, 50, 53, -46, 56, 22, -2, 53,
492: -43, -2, -39, 57, 57, -37, -35, -38, -12, -12,
493: -12, 58, -12, 58, -12, 58, -12, 58, -12, 58,
494: -12, -12, 58, -12, 58, -12, 58, -12, -12, -12,
495: -12, -12, -42, 56, -53, -12, 2, -20, 51, 51,
496: -21, 50, 11, 56, 51, -47, -2, 57, -35, -36,
497: 53, -12, -33, -4, -3, -5, -7, -6, -8, 41,
498: 42, 36, 37, 57, 256, -59, 38, 43, 44, 45,
499: 40, 2, 47, 46, -15, -12, -12, -12, -12, -12,
500: -12, -12, -12, 22, 53, -54, -42, 55, 51, -14,
501: 54, 51, -21, -21, -12, -23, 53, 57, -36, -36,
502: -36, -36, -13, -12, -36, 57, 57, 57, -12, 2,
503: 57, 53, -36, 50, 50, 50, 50, 22, -12, 22,
504: 57, -29, -12, 53, 55, -2, 51, 39, 43, 51,
505: 57, 57, -12, -12, -13, -12, 22, 57, 55, 50,
506: 50, -36, 51, 51, 57, 51, 51, -12, -13, 51,
507: 57, 57 };
508: short yydef[]={
509:
510: 2, -2, 1, 3, 4, 0, 22, 26, 27, 29,
511: 30, 33, 34, 0, 45, 0, 37, 5, 0, -2,
512: 76, 0, 0, 0, -2, 94, -2, 63, 24, 25,
513: 31, 0, -2, 0, -2, 6, 77, 11, 0, 128,
514: 59, 65, 0, 0, 0, 71, 73, 75, 0, 128,
515: 0, 95, 72, 28, 32, 92, 47, 50, 90, 39,
516: 41, 0, 8, 0, 66, 67, 0, 0, 64, 69,
517: 70, 0, 60, 61, 0, 83, 0, 158, 0, 0,
518: 0, 0, 0, 0, 0, 0, 172, 173, 174, 175,
519: 0, 93, 49, 51, 54, 55, 128, 58, 0, 91,
520: 128, 78, 82, 9, 10, 97, 98, 0, 0, -2,
521: 101, 68, 129, 74, 62, 0, 0, 0, 0, 0,
522: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
523: 0, 90, 86, 88, 0, 96, 159, 0, 0, 186,
524: 160, 161, 162, 163, 164, 165, 0, 0, 0, 178,
525: 169, 0, 132, 185, 43, 48, 52, 128, 57, 35,
526: 40, 42, 0, 20, 21, 13, 0, 0, 134, 135,
527: 136, 0, 137, 0, 138, 0, 139, 0, 140, 0,
528: 141, 142, 0, 143, 0, 144, 0, 145, 146, 0,
529: 156, 157, 0, 91, 90, 0, 171, 0, 0, 176,
530: 177, 178, 178, 0, 170, 0, 56, 19, 0, 12,
531: 100, 0, 103, 0, 0, 0, 0, 131, 0, 0,
532: 0, 0, 0, 115, 0, 0, 0, 0, 122, 0,
533: 0, 172, 0, 0, 0, 148, 149, 150, 151, 147,
534: 152, 153, 154, 0, 84, 87, 0, 168, 167, 166,
535: 128, 179, 0, 181, 133, 53, 99, 102, 104, 105,
536: 106, 0, 0, 130, 109, 110, 111, 112, 0, 0,
537: 116, 117, 118, 0, 0, 131, 0, 119, 0, 121,
538: -2, 0, 155, 89, 182, 0, 184, 124, 0, 0,
539: 113, 114, 0, 0, 0, 0, 120, -2, 183, 0,
540: 0, 108, 123, 125, 131, 127, 180, 0, 0, 0,
541: 126, 107 };
542: #ifndef lint
543: static char yaccpar_sccsid[] = "@(#)yaccpar 4.1 (Berkeley) 2/11/83";
544: #endif not lint
545:
546: #
547: # define YYFLAG -1000
548: # define YYERROR goto yyerrlab
549: # define YYACCEPT return(0)
550: # define YYABORT return(1)
551:
552: /* parser for yacc output */
553:
554: #ifdef YYDEBUG
555: int yydebug = 0; /* 1 for debugging */
556: #endif
557: YYSTYPE yyv[YYMAXDEPTH]; /* where the values are stored */
558: int yychar = -1; /* current input token number */
559: int yynerrs = 0; /* number of errors */
560: short yyerrflag = 0; /* error recovery flag */
561:
562: yyparse() {
563:
564: short yys[YYMAXDEPTH];
565: short yyj, yym;
566: register YYSTYPE *yypvt;
567: register short yystate, *yyps, yyn;
568: register YYSTYPE *yypv;
569: register short *yyxi;
570:
571: yystate = 0;
572: yychar = -1;
573: yynerrs = 0;
574: yyerrflag = 0;
575: yyps= &yys[-1];
576: yypv= &yyv[-1];
577:
578: yystack: /* put a state and value onto the stack */
579:
580: #ifdef YYDEBUG
581: if( yydebug ) printf( "state %d, char 0%o\n", yystate, yychar );
582: #endif
583: if( ++yyps> &yys[YYMAXDEPTH] ) { yyerror( "yacc stack overflow" ); return(1); }
584: *yyps = yystate;
585: ++yypv;
586: *yypv = yyval;
587:
588: yynewstate:
589:
590: yyn = yypact[yystate];
591:
592: if( yyn<= YYFLAG ) goto yydefault; /* simple state */
593:
594: if( yychar<0 ) if( (yychar=yylex())<0 ) yychar=0;
595: if( (yyn += yychar)<0 || yyn >= YYLAST ) goto yydefault;
596:
597: if( yychk[ yyn=yyact[ yyn ] ] == yychar ){ /* valid shift */
598: yychar = -1;
599: yyval = yylval;
600: yystate = yyn;
601: if( yyerrflag > 0 ) --yyerrflag;
602: goto yystack;
603: }
604:
605: yydefault:
606: /* default state action */
607:
608: if( (yyn=yydef[yystate]) == -2 ) {
609: if( yychar<0 ) if( (yychar=yylex())<0 ) yychar = 0;
610: /* look through exception table */
611:
612: for( yyxi=yyexca; (*yyxi!= (-1)) || (yyxi[1]!=yystate) ; yyxi += 2 ) ; /* VOID */
613:
614: while( *(yyxi+=2) >= 0 ){
615: if( *yyxi == yychar ) break;
616: }
617: if( (yyn = yyxi[1]) < 0 ) return(0); /* accept */
618: }
619:
620: if( yyn == 0 ){ /* error */
621: /* error ... attempt to resume parsing */
622:
623: switch( yyerrflag ){
624:
625: case 0: /* brand new error */
626:
627: yyerror( "syntax error" );
628: yyerrlab:
629: ++yynerrs;
630:
631: case 1:
632: case 2: /* incompletely recovered error ... try again */
633:
634: yyerrflag = 3;
635:
636: /* find a state where "error" is a legal shift action */
637:
638: while ( yyps >= yys ) {
639: yyn = yypact[*yyps] + YYERRCODE;
640: if( yyn>= 0 && yyn < YYLAST && yychk[yyact[yyn]] == YYERRCODE ){
641: yystate = yyact[yyn]; /* simulate a shift of "error" */
642: goto yystack;
643: }
644: yyn = yypact[*yyps];
645:
646: /* the current yyps has no shift onn "error", pop stack */
647:
648: #ifdef YYDEBUG
649: if( yydebug ) printf( "error recovery pops state %d, uncovers %d\n", *yyps, yyps[-1] );
650: #endif
651: --yyps;
652: --yypv;
653: }
654:
655: /* there is no state on the stack with an error shift ... abort */
656:
657: yyabort:
658: return(1);
659:
660:
661: case 3: /* no shift yet; clobber input char */
662:
663: #ifdef YYDEBUG
664: if( yydebug ) printf( "error recovery discards char %d\n", yychar );
665: #endif
666:
667: if( yychar == 0 ) goto yyabort; /* don't discard EOF, quit */
668: yychar = -1;
669: goto yynewstate; /* try again in the same state */
670:
671: }
672:
673: }
674:
675: /* reduction by production yyn */
676:
677: #ifdef YYDEBUG
678: if( yydebug ) printf("reduce %d\n",yyn);
679: #endif
680: yyps -= yyr2[yyn];
681: yypvt = yypv;
682: yypv -= yyr2[yyn];
683: yyval = yypv[1];
684: yym=yyn;
685: /* consult goto table to find next state */
686: yyn = yyr1[yyn];
687: yyj = yypgo[yyn] + *yyps + 1;
688: if( yyj>=YYLAST || yychk[ yystate = yyact[yyj] ] != -yyn ) yystate = yyact[yypgo[yyn]];
689: switch(yym){
690:
691: case 2:
692: # line 137 "/usr/src/lib/mip/cgram.y"
693: ftnend(); break;
694: case 3:
695: # line 140 "/usr/src/lib/mip/cgram.y"
696: { curclass = SNULL; blevel = 0; } break;
697: case 4:
698: # line 142 "/usr/src/lib/mip/cgram.y"
699: { curclass = SNULL; blevel = 0; } break;
700: case 5:
701: # line 146 "/usr/src/lib/mip/cgram.y"
702: { yypvt[-1].nodep->in.op = FREE; } break;
703: case 6:
704: # line 148 "/usr/src/lib/mip/cgram.y"
705: { yypvt[-2].nodep->in.op = FREE; } break;
706: case 7:
707: # line 149 "/usr/src/lib/mip/cgram.y"
708: {
709: defid( tymerge(yypvt[-1].nodep,yypvt[-0].nodep), curclass==STATIC?STATIC:EXTDEF );
710: #ifndef LINT
711: pfstab(stab[yypvt[-0].nodep->tn.rval].sname);
712: #endif
713: } break;
714: case 8:
715: # line 155 "/usr/src/lib/mip/cgram.y"
716: {
717: if( blevel ) cerror( "function level error" );
718: if( reached ) retstat |= NRETVAL;
719: yypvt[-3].nodep->in.op = FREE;
720: ftnend();
721: } break;
722: case 11:
723: # line 166 "/usr/src/lib/mip/cgram.y"
724: { blevel = 1; } break;
725: case 13:
726: # line 171 "/usr/src/lib/mip/cgram.y"
727: { bccode();
728: locctr(PROG);
729: } break;
730: case 14:
731: # line 177 "/usr/src/lib/mip/cgram.y"
732: { yypvt[-1].nodep->in.op = FREE;
733: #ifndef LINT
734: plcstab(blevel);
735: #endif
736: } break;
737: case 15:
738: # line 183 "/usr/src/lib/mip/cgram.y"
739: { yypvt[-2].nodep->in.op = FREE;
740: #ifndef LINT
741: plcstab(blevel);
742: #endif
743: } break;
744: case 16:
745: # line 191 "/usr/src/lib/mip/cgram.y"
746: { yypvt[-1].nodep->in.op = FREE; } break;
747: case 17:
748: # line 193 "/usr/src/lib/mip/cgram.y"
749: { yypvt[-2].nodep->in.op = FREE; } break;
750: case 19:
751: # line 197 "/usr/src/lib/mip/cgram.y"
752: { curclass = SNULL; yypvt[-2].nodep->in.op = FREE; } break;
753: case 20:
754: # line 199 "/usr/src/lib/mip/cgram.y"
755: { curclass = SNULL; yypvt[-1].nodep->in.op = FREE; } break;
756: case 21:
757: # line 201 "/usr/src/lib/mip/cgram.y"
758: { curclass = SNULL; } break;
759: case 23:
760: # line 205 "/usr/src/lib/mip/cgram.y"
761: { yyval.nodep = mkty(INT,0,INT); curclass = SNULL; } break;
762: case 24:
763: # line 208 "/usr/src/lib/mip/cgram.y"
764: { yyval.nodep = yypvt[-0].nodep; } break;
765: case 26:
766: # line 211 "/usr/src/lib/mip/cgram.y"
767: { yyval.nodep = mkty(INT,0,INT); } break;
768: case 27:
769: # line 213 "/usr/src/lib/mip/cgram.y"
770: { curclass = SNULL ; } break;
771: case 28:
772: # line 215 "/usr/src/lib/mip/cgram.y"
773: { yypvt[-2].nodep->in.type = types( yypvt[-2].nodep->in.type, yypvt[-0].nodep->in.type, UNDEF );
774: yypvt[-0].nodep->in.op = FREE;
775: } break;
776: case 29:
777: # line 222 "/usr/src/lib/mip/cgram.y"
778: { curclass = yypvt[-0].intval; } break;
779: case 31:
780: # line 227 "/usr/src/lib/mip/cgram.y"
781: { yypvt[-1].nodep->in.type = types( yypvt[-1].nodep->in.type, yypvt[-0].nodep->in.type, UNDEF );
782: yypvt[-0].nodep->in.op = FREE;
783: } break;
784: case 32:
785: # line 231 "/usr/src/lib/mip/cgram.y"
786: { yypvt[-2].nodep->in.type = types( yypvt[-2].nodep->in.type, yypvt[-1].nodep->in.type, yypvt[-0].nodep->in.type );
787: yypvt[-1].nodep->in.op = yypvt[-0].nodep->in.op = FREE;
788: } break;
789: case 35:
790: # line 239 "/usr/src/lib/mip/cgram.y"
791: { yyval.nodep = dclstruct(yypvt[-4].intval); } break;
792: case 36:
793: # line 241 "/usr/src/lib/mip/cgram.y"
794: { yyval.nodep = rstruct(yypvt[-0].intval,0); stwart = instruct; } break;
795: case 37:
796: # line 245 "/usr/src/lib/mip/cgram.y"
797: { yyval.intval = bstruct(-1,0); stwart = SEENAME; } break;
798: case 38:
799: # line 247 "/usr/src/lib/mip/cgram.y"
800: { yyval.intval = bstruct(yypvt[-0].intval,0); stwart = SEENAME; } break;
801: case 41:
802: # line 255 "/usr/src/lib/mip/cgram.y"
803: { moedef( yypvt[-0].intval ); } break;
804: case 42:
805: # line 257 "/usr/src/lib/mip/cgram.y"
806: { strucoff = yypvt[-0].intval; moedef( yypvt[-2].intval ); } break;
807: case 43:
808: # line 261 "/usr/src/lib/mip/cgram.y"
809: { yyval.nodep = dclstruct(yypvt[-4].intval); } break;
810: case 44:
811: # line 263 "/usr/src/lib/mip/cgram.y"
812: { yyval.nodep = rstruct(yypvt[-0].intval,yypvt[-1].intval); } break;
813: case 45:
814: # line 267 "/usr/src/lib/mip/cgram.y"
815: { yyval.intval = bstruct(-1,yypvt[-0].intval); stwart=0; } break;
816: case 46:
817: # line 269 "/usr/src/lib/mip/cgram.y"
818: { yyval.intval = bstruct(yypvt[-0].intval,yypvt[-1].intval); stwart=0; } break;
819: case 49:
820: # line 277 "/usr/src/lib/mip/cgram.y"
821: { curclass = SNULL; stwart=0; yypvt[-1].nodep->in.op = FREE; } break;
822: case 50:
823: # line 279 "/usr/src/lib/mip/cgram.y"
824: { if( curclass != MOU ){
825: curclass = SNULL;
826: }
827: else {
828: sprintf( fakename, "$%dFAKE", fake++ );
829: #ifdef FLEXSTRINGS
830: /* No need to hash this, we won't look it up */
831: defid( tymerge(yypvt[-0].nodep, bdty(NAME,NIL,lookup( savestr(fakename), SMOS ))), curclass );
832: #else
833: defid( tymerge(yypvt[-0].nodep, bdty(NAME,NIL,lookup( fakename, SMOS ))), curclass );
834: #endif
835: werror("structure typed union member must be named");
836: }
837: stwart = 0;
838: yypvt[-0].nodep->in.op = FREE;
839: } break;
840: case 51:
841: # line 299 "/usr/src/lib/mip/cgram.y"
842: { defid( tymerge(yypvt[-1].nodep,yypvt[-0].nodep), curclass); stwart = instruct; } break;
843: case 52:
844: # line 300 "/usr/src/lib/mip/cgram.y"
845: {yyval.nodep=yypvt[-2].nodep;} break;
846: case 53:
847: # line 301 "/usr/src/lib/mip/cgram.y"
848: { defid( tymerge(yypvt[-4].nodep,yypvt[-0].nodep), curclass); stwart = instruct; } break;
849: case 56:
850: # line 307 "/usr/src/lib/mip/cgram.y"
851: { if( !(instruct&INSTRUCT) ) uerror( "field outside of structure" );
852: if( yypvt[-0].intval<0 || yypvt[-0].intval >= FIELD ){
853: uerror( "illegal field size" );
854: yypvt[-0].intval = 1;
855: }
856: defid( tymerge(yypvt[-3].nodep,yypvt[-2].nodep), FIELD|yypvt[-0].intval );
857: yyval.nodep = NIL;
858: } break;
859: case 57:
860: # line 317 "/usr/src/lib/mip/cgram.y"
861: { if( !(instruct&INSTRUCT) ) uerror( "field outside of structure" );
862: falloc( stab, yypvt[-0].intval, -1, yypvt[-2].nodep ); /* alignment or hole */
863: yyval.nodep = NIL;
864: } break;
865: case 58:
866: # line 322 "/usr/src/lib/mip/cgram.y"
867: { yyval.nodep = NIL; } break;
868: case 59:
869: # line 327 "/usr/src/lib/mip/cgram.y"
870: { umul:
871: yyval.nodep = bdty( UNARY MUL, yypvt[-0].nodep, 0 ); } break;
872: case 60:
873: # line 330 "/usr/src/lib/mip/cgram.y"
874: { uftn:
875: yyval.nodep = bdty( UNARY CALL, yypvt[-2].nodep, 0 ); } break;
876: case 61:
877: # line 333 "/usr/src/lib/mip/cgram.y"
878: { uary:
879: yyval.nodep = bdty( LB, yypvt[-2].nodep, 0 ); } break;
880: case 62:
881: # line 336 "/usr/src/lib/mip/cgram.y"
882: { bary:
883: if( (int)yypvt[-1].intval <= 0 ) werror( "zero or negative subscript" );
884: yyval.nodep = bdty( LB, yypvt[-3].nodep, yypvt[-1].intval ); } break;
885: case 63:
886: # line 340 "/usr/src/lib/mip/cgram.y"
887: { yyval.nodep = bdty( NAME, NIL, yypvt[-0].intval ); } break;
888: case 64:
889: # line 342 "/usr/src/lib/mip/cgram.y"
890: { yyval.nodep=yypvt[-1].nodep; } break;
891: case 65:
892: # line 345 "/usr/src/lib/mip/cgram.y"
893: { goto umul; } break;
894: case 66:
895: # line 347 "/usr/src/lib/mip/cgram.y"
896: { goto uftn; } break;
897: case 67:
898: # line 349 "/usr/src/lib/mip/cgram.y"
899: { goto uary; } break;
900: case 68:
901: # line 351 "/usr/src/lib/mip/cgram.y"
902: { goto bary; } break;
903: case 69:
904: # line 353 "/usr/src/lib/mip/cgram.y"
905: { yyval.nodep = yypvt[-1].nodep; } break;
906: case 70:
907: # line 355 "/usr/src/lib/mip/cgram.y"
908: {
909: if( blevel!=0 ) uerror("function declaration in bad context");
910: yyval.nodep = bdty( UNARY CALL, bdty(NAME,NIL,yypvt[-2].intval), 0 );
911: stwart = 0;
912: } break;
913: case 71:
914: # line 361 "/usr/src/lib/mip/cgram.y"
915: {
916: yyval.nodep = bdty( UNARY CALL, bdty(NAME,NIL,yypvt[-1].intval), 0 );
917: stwart = 0;
918: } break;
919: case 72:
920: # line 368 "/usr/src/lib/mip/cgram.y"
921: {
922: /* turn off typedefs for argument names */
923: stwart = SEENAME;
924: if( stab[yypvt[-1].intval].sclass == SNULL )
925: stab[yypvt[-1].intval].stype = FTN;
926: } break;
927: case 73:
928: # line 377 "/usr/src/lib/mip/cgram.y"
929: { ftnarg( yypvt[-0].intval ); stwart = SEENAME; } break;
930: case 74:
931: # line 379 "/usr/src/lib/mip/cgram.y"
932: { ftnarg( yypvt[-0].intval ); stwart = SEENAME; } break;
933: case 77:
934: # line 385 "/usr/src/lib/mip/cgram.y"
935: {yyval.nodep=yypvt[-2].nodep;} break;
936: case 79:
937: # line 389 "/usr/src/lib/mip/cgram.y"
938: { defid( yypvt[-0].nodep = tymerge(yypvt[-1].nodep,yypvt[-0].nodep), curclass);
939: beginit(yypvt[-0].nodep->tn.rval);
940: } break;
941: case 81:
942: # line 396 "/usr/src/lib/mip/cgram.y"
943: { nidcl( tymerge(yypvt[-1].nodep,yypvt[-0].nodep) ); } break;
944: case 82:
945: # line 398 "/usr/src/lib/mip/cgram.y"
946: { defid( tymerge(yypvt[-1].nodep,yypvt[-0].nodep), uclass(curclass) );
947: } break;
948: case 83:
949: # line 402 "/usr/src/lib/mip/cgram.y"
950: { doinit( yypvt[-0].nodep );
951: endinit(); } break;
952: case 84:
953: # line 405 "/usr/src/lib/mip/cgram.y"
954: { endinit(); } break;
955: case 88:
956: # line 415 "/usr/src/lib/mip/cgram.y"
957: { doinit( yypvt[-0].nodep ); } break;
958: case 89:
959: # line 417 "/usr/src/lib/mip/cgram.y"
960: { irbrace(); } break;
961: case 94:
962: # line 429 "/usr/src/lib/mip/cgram.y"
963: { werror( "old-fashioned initialization: use =" ); } break;
964: case 96:
965: # line 434 "/usr/src/lib/mip/cgram.y"
966: { ilbrace(); } break;
967: case 99:
968: # line 444 "/usr/src/lib/mip/cgram.y"
969: {
970: #ifndef LINT
971: prcstab(blevel);
972: #endif
973: --blevel;
974: if( blevel == 1 ) blevel = 0;
975: clearst( blevel );
976: checkst( blevel );
977: autooff = *--psavbc;
978: regvar = *--psavbc;
979: } break;
980: case 100:
981: # line 458 "/usr/src/lib/mip/cgram.y"
982: { --blevel;
983: if( blevel == 1 ) blevel = 0;
984: clearst( blevel );
985: checkst( blevel );
986: autooff = *--psavbc;
987: regvar = *--psavbc;
988: } break;
989: case 101:
990: # line 468 "/usr/src/lib/mip/cgram.y"
991: { if( blevel == 1 ) dclargs();
992: ++blevel;
993: if( psavbc > &asavbc[BCSZ-2] ) cerror( "nesting too deep" );
994: *psavbc++ = regvar;
995: *psavbc++ = autooff;
996: } break;
997: case 102:
998: # line 477 "/usr/src/lib/mip/cgram.y"
999: { ecomp( yypvt[-1].nodep ); } break;
1000: case 104:
1001: # line 480 "/usr/src/lib/mip/cgram.y"
1002: { deflab(yypvt[-1].intval);
1003: reached = 1;
1004: } break;
1005: case 105:
1006: # line 484 "/usr/src/lib/mip/cgram.y"
1007: { if( yypvt[-1].intval != NOLAB ){
1008: deflab( yypvt[-1].intval );
1009: reached = 1;
1010: }
1011: } break;
1012: case 106:
1013: # line 490 "/usr/src/lib/mip/cgram.y"
1014: { branch( contlab );
1015: deflab( brklab );
1016: if( (flostat&FBRK) || !(flostat&FLOOP)) reached = 1;
1017: else reached = 0;
1018: resetbc(0);
1019: } break;
1020: case 107:
1021: # line 497 "/usr/src/lib/mip/cgram.y"
1022: { deflab( contlab );
1023: if( flostat & FCONT ) reached = 1;
1024: ecomp( buildtree( CBRANCH, buildtree( NOT, yypvt[-2].nodep, NIL ), bcon( yypvt[-6].intval ) ) );
1025: deflab( brklab );
1026: reached = 1;
1027: resetbc(0);
1028: } break;
1029: case 108:
1030: # line 505 "/usr/src/lib/mip/cgram.y"
1031: { deflab( contlab );
1032: if( flostat&FCONT ) reached = 1;
1033: if( yypvt[-2].nodep ) ecomp( yypvt[-2].nodep );
1034: branch( yypvt[-3].intval );
1035: deflab( brklab );
1036: if( (flostat&FBRK) || !(flostat&FLOOP) ) reached = 1;
1037: else reached = 0;
1038: resetbc(0);
1039: } break;
1040: case 109:
1041: # line 515 "/usr/src/lib/mip/cgram.y"
1042: { if( reached ) branch( brklab );
1043: deflab( yypvt[-1].intval );
1044: swend();
1045: deflab(brklab);
1046: if( (flostat&FBRK) || !(flostat&FDEF) ) reached = 1;
1047: resetbc(FCONT);
1048: } break;
1049: case 110:
1050: # line 523 "/usr/src/lib/mip/cgram.y"
1051: { if( brklab == NOLAB ) uerror( "illegal break");
1052: else if(reached) branch( brklab );
1053: flostat |= FBRK;
1054: if( brkflag ) goto rch;
1055: reached = 0;
1056: } break;
1057: case 111:
1058: # line 530 "/usr/src/lib/mip/cgram.y"
1059: { if( contlab == NOLAB ) uerror( "illegal continue");
1060: else branch( contlab );
1061: flostat |= FCONT;
1062: goto rch;
1063: } break;
1064: case 112:
1065: # line 536 "/usr/src/lib/mip/cgram.y"
1066: { retstat |= NRETVAL;
1067: branch( retlab );
1068: rch:
1069: if( !reached ) werror( "statement not reached");
1070: reached = 0;
1071: } break;
1072: case 113:
1073: # line 543 "/usr/src/lib/mip/cgram.y"
1074: { register NODE *temp;
1075: idname = curftn;
1076: temp = buildtree( NAME, NIL, NIL );
1077: if(temp->in.type == TVOID)
1078: uerror("void function %s cannot return value",
1079: stab[idname].sname);
1080: temp->in.type = DECREF( temp->in.type );
1081: temp = buildtree( RETURN, temp, yypvt[-1].nodep );
1082: /* now, we have the type of the RHS correct */
1083: temp->in.left->in.op = FREE;
1084: temp->in.op = FREE;
1085: ecomp( buildtree( FORCE, temp->in.right, NIL ) );
1086: retstat |= RETVAL;
1087: branch( retlab );
1088: reached = 0;
1089: } break;
1090: case 114:
1091: # line 560 "/usr/src/lib/mip/cgram.y"
1092: { register NODE *q;
1093: q = block( FREE, NIL, NIL, INT|ARY, 0, INT );
1094: q->tn.rval = idname = yypvt[-1].intval;
1095: defid( q, ULABEL );
1096: stab[idname].suse = -lineno;
1097: branch( stab[idname].offset );
1098: goto rch;
1099: } break;
1100: case 119:
1101: # line 574 "/usr/src/lib/mip/cgram.y"
1102: { register NODE *q;
1103: q = block( FREE, NIL, NIL, INT|ARY, 0, LABEL );
1104: q->tn.rval = yypvt[-1].intval;
1105: defid( q, LABEL );
1106: reached = 1;
1107: } break;
1108: case 120:
1109: # line 581 "/usr/src/lib/mip/cgram.y"
1110: { addcase(yypvt[-1].nodep);
1111: reached = 1;
1112: } break;
1113: case 121:
1114: # line 585 "/usr/src/lib/mip/cgram.y"
1115: { reached = 1;
1116: adddef();
1117: flostat |= FDEF;
1118: } break;
1119: case 122:
1120: # line 591 "/usr/src/lib/mip/cgram.y"
1121: { savebc();
1122: if( !reached ) werror( "loop not entered at top");
1123: brklab = getlab();
1124: contlab = getlab();
1125: deflab( yyval.intval = getlab() );
1126: reached = 1;
1127: } break;
1128: case 123:
1129: # line 600 "/usr/src/lib/mip/cgram.y"
1130: { ecomp( buildtree( CBRANCH, yypvt[-1].nodep, bcon( yyval.intval=getlab()) ) ) ;
1131: reached = 1;
1132: } break;
1133: case 124:
1134: # line 605 "/usr/src/lib/mip/cgram.y"
1135: { if( reached ) branch( yyval.intval = getlab() );
1136: else yyval.intval = NOLAB;
1137: deflab( yypvt[-2].intval );
1138: reached = 1;
1139: } break;
1140: case 125:
1141: # line 613 "/usr/src/lib/mip/cgram.y"
1142: { savebc();
1143: if( !reached ) werror( "loop not entered at top");
1144: if( yypvt[-1].nodep->in.op == ICON && yypvt[-1].nodep->tn.lval != 0 ) flostat = FLOOP;
1145: deflab( contlab = getlab() );
1146: reached = 1;
1147: brklab = getlab();
1148: if( flostat == FLOOP ) tfree( yypvt[-1].nodep );
1149: else ecomp( buildtree( CBRANCH, yypvt[-1].nodep, bcon( brklab) ) );
1150: } break;
1151: case 126:
1152: # line 624 "/usr/src/lib/mip/cgram.y"
1153: { if( yypvt[-3].nodep ) ecomp( yypvt[-3].nodep );
1154: else if( !reached ) werror( "loop not entered at top");
1155: savebc();
1156: contlab = getlab();
1157: brklab = getlab();
1158: deflab( yyval.intval = getlab() );
1159: reached = 1;
1160: if( yypvt[-1].nodep ) ecomp( buildtree( CBRANCH, yypvt[-1].nodep, bcon( brklab) ) );
1161: else flostat |= FLOOP;
1162: } break;
1163: case 127:
1164: # line 636 "/usr/src/lib/mip/cgram.y"
1165: { savebc();
1166: brklab = getlab();
1167: ecomp( buildtree( FORCE, yypvt[-1].nodep, NIL ) );
1168: branch( yyval.intval = getlab() );
1169: swstart();
1170: reached = 0;
1171: } break;
1172: case 128:
1173: # line 645 "/usr/src/lib/mip/cgram.y"
1174: { yyval.intval=instruct; stwart=instruct=0; } break;
1175: case 129:
1176: # line 647 "/usr/src/lib/mip/cgram.y"
1177: { yyval.intval = icons( yypvt[-0].nodep ); instruct=yypvt[-1].intval; } break;
1178: case 131:
1179: # line 651 "/usr/src/lib/mip/cgram.y"
1180: { yyval.nodep=0; } break;
1181: case 133:
1182: # line 656 "/usr/src/lib/mip/cgram.y"
1183: { goto bop; } break;
1184: case 134:
1185: # line 660 "/usr/src/lib/mip/cgram.y"
1186: {
1187: preconf:
1188: if( yychar==RELOP||yychar==EQUOP||yychar==AND||yychar==OR||yychar==ER ){
1189: precplaint:
1190: if( hflag ) werror( "precedence confusion possible: parenthesize!" );
1191: }
1192: bop:
1193: yyval.nodep = buildtree( yypvt[-1].intval, yypvt[-2].nodep, yypvt[-0].nodep );
1194: } break;
1195: case 135:
1196: # line 670 "/usr/src/lib/mip/cgram.y"
1197: { yypvt[-1].intval = COMOP;
1198: goto bop;
1199: } break;
1200: case 136:
1201: # line 674 "/usr/src/lib/mip/cgram.y"
1202: { goto bop; } break;
1203: case 137:
1204: # line 676 "/usr/src/lib/mip/cgram.y"
1205: { if(yychar==SHIFTOP) goto precplaint; else goto bop; } break;
1206: case 138:
1207: # line 678 "/usr/src/lib/mip/cgram.y"
1208: { if(yychar==SHIFTOP ) goto precplaint; else goto bop; } break;
1209: case 139:
1210: # line 680 "/usr/src/lib/mip/cgram.y"
1211: { if(yychar==PLUS||yychar==MINUS) goto precplaint; else goto bop; } break;
1212: case 140:
1213: # line 682 "/usr/src/lib/mip/cgram.y"
1214: { goto bop; } break;
1215: case 141:
1216: # line 684 "/usr/src/lib/mip/cgram.y"
1217: { goto preconf; } break;
1218: case 142:
1219: # line 686 "/usr/src/lib/mip/cgram.y"
1220: { if( yychar==RELOP||yychar==EQUOP ) goto preconf; else goto bop; } break;
1221: case 143:
1222: # line 688 "/usr/src/lib/mip/cgram.y"
1223: { if(yychar==RELOP||yychar==EQUOP) goto preconf; else goto bop; } break;
1224: case 144:
1225: # line 690 "/usr/src/lib/mip/cgram.y"
1226: { if(yychar==RELOP||yychar==EQUOP) goto preconf; else goto bop; } break;
1227: case 145:
1228: # line 692 "/usr/src/lib/mip/cgram.y"
1229: { goto bop; } break;
1230: case 146:
1231: # line 694 "/usr/src/lib/mip/cgram.y"
1232: { goto bop; } break;
1233: case 147:
1234: # line 696 "/usr/src/lib/mip/cgram.y"
1235: { abop:
1236: yyval.nodep = buildtree( ASG yypvt[-2].intval, yypvt[-3].nodep, yypvt[-0].nodep );
1237: } break;
1238: case 148:
1239: # line 700 "/usr/src/lib/mip/cgram.y"
1240: { goto abop; } break;
1241: case 149:
1242: # line 702 "/usr/src/lib/mip/cgram.y"
1243: { goto abop; } break;
1244: case 150:
1245: # line 704 "/usr/src/lib/mip/cgram.y"
1246: { goto abop; } break;
1247: case 151:
1248: # line 706 "/usr/src/lib/mip/cgram.y"
1249: { goto abop; } break;
1250: case 152:
1251: # line 708 "/usr/src/lib/mip/cgram.y"
1252: { goto abop; } break;
1253: case 153:
1254: # line 710 "/usr/src/lib/mip/cgram.y"
1255: { goto abop; } break;
1256: case 154:
1257: # line 712 "/usr/src/lib/mip/cgram.y"
1258: { goto abop; } break;
1259: case 155:
1260: # line 714 "/usr/src/lib/mip/cgram.y"
1261: { yyval.nodep=buildtree(QUEST, yypvt[-4].nodep, buildtree( COLON, yypvt[-2].nodep, yypvt[-0].nodep ) );
1262: } break;
1263: case 156:
1264: # line 717 "/usr/src/lib/mip/cgram.y"
1265: { werror( "old-fashioned assignment operator" ); goto bop; } break;
1266: case 157:
1267: # line 719 "/usr/src/lib/mip/cgram.y"
1268: { goto bop; } break;
1269: case 159:
1270: # line 723 "/usr/src/lib/mip/cgram.y"
1271: { yyval.nodep = buildtree( yypvt[-0].intval, yypvt[-1].nodep, bcon(1) ); } break;
1272: case 160:
1273: # line 725 "/usr/src/lib/mip/cgram.y"
1274: { ubop:
1275: yyval.nodep = buildtree( UNARY yypvt[-1].intval, yypvt[-0].nodep, NIL );
1276: } break;
1277: case 161:
1278: # line 729 "/usr/src/lib/mip/cgram.y"
1279: { if( ISFTN(yypvt[-0].nodep->in.type) || ISARY(yypvt[-0].nodep->in.type) ){
1280: werror( "& before array or function: ignored" );
1281: yyval.nodep = yypvt[-0].nodep;
1282: }
1283: else goto ubop;
1284: } break;
1285: case 162:
1286: # line 736 "/usr/src/lib/mip/cgram.y"
1287: { goto ubop; } break;
1288: case 163:
1289: # line 738 "/usr/src/lib/mip/cgram.y"
1290: {
1291: yyval.nodep = buildtree( yypvt[-1].intval, yypvt[-0].nodep, NIL );
1292: } break;
1293: case 164:
1294: # line 742 "/usr/src/lib/mip/cgram.y"
1295: { yyval.nodep = buildtree( yypvt[-1].intval==INCR ? ASG PLUS : ASG MINUS,
1296: yypvt[-0].nodep,
1297: bcon(1) );
1298: } break;
1299: case 165:
1300: # line 747 "/usr/src/lib/mip/cgram.y"
1301: { yyval.nodep = doszof( yypvt[-0].nodep ); } break;
1302: case 166:
1303: # line 749 "/usr/src/lib/mip/cgram.y"
1304: { yyval.nodep = buildtree( CAST, yypvt[-2].nodep, yypvt[-0].nodep );
1305: yyval.nodep->in.left->in.op = FREE;
1306: yyval.nodep->in.op = FREE;
1307: yyval.nodep = yyval.nodep->in.right;
1308: } break;
1309: case 167:
1310: # line 755 "/usr/src/lib/mip/cgram.y"
1311: { yyval.nodep = doszof( yypvt[-1].nodep ); } break;
1312: case 168:
1313: # line 757 "/usr/src/lib/mip/cgram.y"
1314: { yyval.nodep = buildtree( UNARY MUL, buildtree( PLUS, yypvt[-3].nodep, yypvt[-1].nodep ), NIL ); } break;
1315: case 169:
1316: # line 759 "/usr/src/lib/mip/cgram.y"
1317: { yyval.nodep=buildtree(UNARY CALL,yypvt[-1].nodep,NIL); } break;
1318: case 170:
1319: # line 761 "/usr/src/lib/mip/cgram.y"
1320: { yyval.nodep=buildtree(CALL,yypvt[-2].nodep,yypvt[-1].nodep); } break;
1321: case 171:
1322: # line 763 "/usr/src/lib/mip/cgram.y"
1323: { if( yypvt[-1].intval == DOT ){
1324: if( notlval( yypvt[-2].nodep ) )uerror("structure reference must be addressable");
1325: yypvt[-2].nodep = buildtree( UNARY AND, yypvt[-2].nodep, NIL );
1326: }
1327: idname = yypvt[-0].intval;
1328: yyval.nodep = buildtree( STREF, yypvt[-2].nodep, buildtree( NAME, NIL, NIL ) );
1329: } break;
1330: case 172:
1331: # line 771 "/usr/src/lib/mip/cgram.y"
1332: { idname = yypvt[-0].intval;
1333: /* recognize identifiers in initializations */
1334: if( blevel==0 && stab[idname].stype == UNDEF ) {
1335: register NODE *q;
1336: #ifndef FLEXNAMES
1337: werror( "undeclared initializer name %.8s", stab[idname].sname );
1338: #else
1339: werror( "undeclared initializer name %s", stab[idname].sname );
1340: #endif
1341: q = block( FREE, NIL, NIL, INT, 0, INT );
1342: q->tn.rval = idname;
1343: defid( q, EXTERN );
1344: }
1345: yyval.nodep=buildtree(NAME,NIL,NIL);
1346: stab[yypvt[-0].intval].suse = -lineno;
1347: } break;
1348: case 173:
1349: # line 788 "/usr/src/lib/mip/cgram.y"
1350: { yyval.nodep=bcon(0);
1351: yyval.nodep->tn.lval = lastcon;
1352: yyval.nodep->tn.rval = NONAME;
1353: if( yypvt[-0].intval ) yyval.nodep->fn.csiz = yyval.nodep->in.type = ctype(LONG);
1354: } break;
1355: case 174:
1356: # line 794 "/usr/src/lib/mip/cgram.y"
1357: { yyval.nodep=buildtree(FCON,NIL,NIL);
1358: yyval.nodep->fpn.dval = dcon;
1359: } break;
1360: case 175:
1361: # line 798 "/usr/src/lib/mip/cgram.y"
1362: { yyval.nodep = getstr(); /* get string contents */ } break;
1363: case 176:
1364: # line 800 "/usr/src/lib/mip/cgram.y"
1365: { yyval.nodep=yypvt[-1].nodep; } break;
1366: case 177:
1367: # line 804 "/usr/src/lib/mip/cgram.y"
1368: {
1369: yyval.nodep = tymerge( yypvt[-1].nodep, yypvt[-0].nodep );
1370: yyval.nodep->in.op = NAME;
1371: yypvt[-1].nodep->in.op = FREE;
1372: } break;
1373: case 178:
1374: # line 812 "/usr/src/lib/mip/cgram.y"
1375: { yyval.nodep = bdty( NAME, NIL, -1 ); } break;
1376: case 179:
1377: # line 814 "/usr/src/lib/mip/cgram.y"
1378: { yyval.nodep = bdty( UNARY CALL, bdty(NAME,NIL,-1),0); } break;
1379: case 180:
1380: # line 816 "/usr/src/lib/mip/cgram.y"
1381: { yyval.nodep = bdty( UNARY CALL, yypvt[-3].nodep, 0 ); } break;
1382: case 181:
1383: # line 818 "/usr/src/lib/mip/cgram.y"
1384: { goto umul; } break;
1385: case 182:
1386: # line 820 "/usr/src/lib/mip/cgram.y"
1387: { goto uary; } break;
1388: case 183:
1389: # line 822 "/usr/src/lib/mip/cgram.y"
1390: { goto bary; } break;
1391: case 184:
1392: # line 824 "/usr/src/lib/mip/cgram.y"
1393: { yyval.nodep = yypvt[-1].nodep; } break;
1394: case 185:
1395: # line 828 "/usr/src/lib/mip/cgram.y"
1396: { if( stab[yypvt[-1].intval].stype == UNDEF ){
1397: register NODE *q;
1398: q = block( FREE, NIL, NIL, FTN|INT, 0, INT );
1399: q->tn.rval = yypvt[-1].intval;
1400: defid( q, EXTERN );
1401: }
1402: idname = yypvt[-1].intval;
1403: yyval.nodep=buildtree(NAME,NIL,NIL);
1404: stab[idname].suse = -lineno;
1405: } break;
1406: }
1407: goto yystack; /* stack new state and value */
1408:
1409: }
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