Annotation of OpenXM_contrib2/asir2000/parse/eval.c, Revision 1.63
1.4 noro 1: /*
2: * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
3: * All rights reserved.
4: *
5: * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
6: * non-exclusive and royalty-free license to use, copy, modify and
7: * redistribute, solely for non-commercial and non-profit purposes, the
8: * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
9: * conditions of this Agreement. For the avoidance of doubt, you acquire
10: * only a limited right to use the SOFTWARE hereunder, and FLL or any
11: * third party developer retains all rights, including but not limited to
12: * copyrights, in and to the SOFTWARE.
13: *
14: * (1) FLL does not grant you a license in any way for commercial
15: * purposes. You may use the SOFTWARE only for non-commercial and
16: * non-profit purposes only, such as academic, research and internal
17: * business use.
18: * (2) The SOFTWARE is protected by the Copyright Law of Japan and
19: * international copyright treaties. If you make copies of the SOFTWARE,
20: * with or without modification, as permitted hereunder, you shall affix
21: * to all such copies of the SOFTWARE the above copyright notice.
22: * (3) An explicit reference to this SOFTWARE and its copyright owner
23: * shall be made on your publication or presentation in any form of the
24: * results obtained by use of the SOFTWARE.
25: * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
1.5 noro 26: * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
1.4 noro 27: * for such modification or the source code of the modified part of the
28: * SOFTWARE.
29: *
30: * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
31: * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
32: * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
33: * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
34: * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
35: * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
36: * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
37: * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
38: * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
39: * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
40: * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
41: * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
42: * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
43: * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
44: * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
45: * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
46: * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
47: *
1.63 ! noro 48: * $OpenXM: OpenXM_contrib2/asir2000/parse/eval.c,v 1.62 2007/12/20 03:31:01 noro Exp $
1.4 noro 49: */
1.1 noro 50: #include <ctype.h>
51: #include "ca.h"
52: #include "al.h"
53: #include "base.h"
54: #include "parse.h"
1.62 noro 55: #if defined(GC7)
1.61 ohara 56: #include "gc.h"
1.62 noro 57: #endif
1.1 noro 58: #include <sys/types.h>
59: #include <sys/stat.h>
1.20 ohara 60: #if defined(PARI)
1.1 noro 61: #include "genpari.h"
1.2 noro 62: #endif
1.1 noro 63:
1.18 noro 64: extern JMP_BUF timer_env;
1.60 noro 65: extern FUNC cur_binf;
66: extern NODE PVSS;
1.1 noro 67:
68: int f_break,f_return,f_continue;
69: int evalstatline;
70: int recv_intr;
1.24 noro 71: int show_crossref;
1.60 noro 72: int at_root;
1.43 noro 73: void gen_searchf_searchonly(char *name,FUNC *r);
1.57 noro 74: LIST eval_arg(FNODE a,unsigned int quote);
1.1 noro 75:
1.16 noro 76: pointer eval(FNODE f)
1.1 noro 77: {
78: LIST t;
79: STRING str;
80: pointer val = 0;
81: pointer a,a1,a2;
1.48 noro 82: NODE tn,tn1,ind,match;
1.1 noro 83: R u;
84: DP dp;
1.21 noro 85: unsigned int pv;
1.41 noro 86: int c,ret;
1.1 noro 87: FNODE f1;
88: UP2 up2;
89: UP up;
1.13 noro 90: UM um;
1.14 noro 91: Obj obj;
1.1 noro 92: GF2N gf2n;
93: GFPN gfpn;
1.13 noro 94: GFSN gfsn;
1.31 noro 95: RANGE range;
1.41 noro 96: QUOTE expr,pattern;
1.1 noro 97:
98: #if defined(VISUAL)
99: if ( recv_intr ) {
100: #include <signal.h>
101: if ( recv_intr == 1 ) {
102: recv_intr = 0;
103: int_handler(SIGINT);
104: } else {
105: recv_intr = 0;
106: ox_usr1_handler(0);
107: }
108: }
109: #endif
110: if ( !f )
111: return ( 0 );
112: switch ( f->id ) {
1.10 noro 113: case I_PAREN:
114: val = eval((FNODE)(FA0(f)));
1.14 noro 115: break;
116: case I_MINUS:
117: a1 = eval((FNODE)(FA0(f)));
118: arf_chsgn((Obj)a1,&obj);
119: val = (pointer)obj;
1.10 noro 120: break;
1.1 noro 121: case I_BOP:
122: a1 = eval((FNODE)FA1(f)); a2 = eval((FNODE)FA2(f));
123: (*((ARF)FA0(f))->fp)(CO,a1,a2,&val);
1.10 noro 124: break;
1.46 noro 125: case I_NARYOP:
126: tn = (NODE)FA1(f);
127: a = eval((FNODE)BDY(tn));
128: for ( tn = NEXT(tn); tn; tn = NEXT(tn) ) {
129: a1 = eval((FNODE)BDY(tn));
130: (*((ARF)FA0(f))->fp)(CO,a,a1,&a2);
131: a = a2;
132: }
133: val = a;
134: break;
1.1 noro 135: case I_COP:
136: a1 = eval((FNODE)FA1(f)); a2 = eval((FNODE)FA2(f));
137: c = arf_comp(CO,a1,a2);
138: switch ( (cid)FA0(f) ) {
139: case C_EQ:
140: c = (c == 0); break;
141: case C_NE:
142: c = (c != 0); break;
143: case C_GT:
144: c = (c > 0); break;
145: case C_LT:
146: c = (c < 0); break;
147: case C_GE:
148: c = (c >= 0); break;
149: case C_LE:
150: c = (c <= 0); break;
151: default:
152: c = 0; break;
153: }
154: if ( c )
155: val = (pointer)ONE;
156: break;
157: case I_AND:
158: if ( eval((FNODE)FA0(f)) && eval((FNODE)FA1(f)) )
159: val = (pointer)ONE;
160: break;
161: case I_OR:
162: if ( eval((FNODE)FA0(f)) || eval((FNODE)FA1(f)) )
163: val = (pointer)ONE;
164: break;
165: case I_NOT:
166: if ( eval((FNODE)FA0(f)) )
167: val = 0;
168: else
169: val = (pointer)ONE;
170: break;
171: case I_LOP:
172: a1 = eval((FNODE)FA1(f)); a2 = eval((FNODE)FA2(f));
173: val = evall((lid)FA0(f),a1,a2);
174: break;
175: case I_CE:
176: if ( eval((FNODE)FA0(f)) )
177: val = eval((FNODE)FA1(f));
178: else
179: val = eval((FNODE)FA2(f));
180: break;
181: case I_EV:
182: evalnodebody((NODE)FA0(f),&tn); nodetod(tn,&dp); val = (pointer)dp;
183: break;
184: case I_FUNC:
185: val = evalf((FUNC)FA0(f),(FNODE)FA1(f),0); break;
186: case I_FUNC_OPT:
187: val = evalf((FUNC)FA0(f),(FNODE)FA1(f),(FNODE)FA2(f)); break;
1.57 noro 188: case I_FUNC_QARG:
189: tn = BDY(eval_arg((FNODE)FA1(f),(unsigned int)0xffffffff));
190: val = bevalf((FUNC)FA0(f),tn); break;
1.1 noro 191: case I_PFDERIV:
1.44 noro 192: val = evalf_deriv((FUNC)FA0(f),(FNODE)FA1(f),(FNODE)FA2(f)); break;
1.1 noro 193: case I_MAP:
194: val = evalmapf((FUNC)FA0(f),(FNODE)FA1(f)); break;
1.9 noro 195: case I_RECMAP:
196: val = eval_rec_mapf((FUNC)FA0(f),(FNODE)FA1(f)); break;
1.1 noro 197: case I_IFUNC:
1.63 ! noro 198: val = evalif((FNODE)FA0(f),(FNODE)FA1(f),(FNODE)FA2(f)); break;
1.1 noro 199: #if !defined(VISUAL)
200: case I_TIMER:
201: {
202: int interval;
203: Obj expired;
204:
205: interval = QTOS((Q)eval((FNODE)FA0(f)));
206: expired = (Obj)eval((FNODE)FA2(f));
207: set_timer(interval);
208: savepvs();
1.18 noro 209: if ( !SETJMP(timer_env) )
1.1 noro 210: val = eval((FNODE)FA1(f));
211: else {
212: val = (pointer)expired;
213: restorepvs();
214: }
215: reset_timer();
216: }
217: break;
218: #endif
219: case I_PRESELF:
220: f1 = (FNODE)FA1(f);
221: if ( ID(f1) == I_PVAR ) {
1.21 noro 222: pv = (unsigned int)FA0(f1); ind = (NODE)FA1(f1); GETPV(pv,a);
1.1 noro 223: if ( !ind ) {
224: (*((ARF)FA0(f))->fp)(CO,a,ONE,&val); ASSPV(pv,val);
225: } else if ( a ) {
226: evalnodebody(ind,&tn); getarray(a,tn,(pointer *)&u);
227: (*((ARF)FA0(f))->fp)(CO,u,ONE,&val); putarray(a,tn,val);
228: }
229: } else
1.6 noro 230: error("++ : not implemented yet");
1.1 noro 231: break;
232: case I_POSTSELF:
233: f1 = (FNODE)FA1(f);
234: if ( ID(f1) == I_PVAR ) {
1.21 noro 235: pv = (unsigned int)FA0(f1); ind = (NODE)FA1(f1); GETPV(pv,val);
1.1 noro 236: if ( !ind ) {
237: (*((ARF)FA0(f))->fp)(CO,val,ONE,&u); ASSPV(pv,u);
238: } else if ( val ) {
239: evalnodebody(ind,&tn); getarray(val,tn,&a);
240: (*((ARF)FA0(f))->fp)(CO,a,ONE,&u); putarray(val,tn,(pointer)u);
241: val = a;
242: }
243: } else
1.6 noro 244: error("-- : not implemented yet");
1.1 noro 245: break;
246: case I_PVAR:
1.39 noro 247: pv = (unsigned int)FA0(f);
248: ind = (NODE)FA1(f);
249: GETPV(pv,a);
1.1 noro 250: if ( !ind )
251: val = a;
252: else {
253: evalnodebody(ind,&tn); getarray(a,tn,&val);
254: }
255: break;
256: case I_ASSPVAR:
257: f1 = (FNODE)FA0(f);
258: if ( ID(f1) == I_PVAR ) {
1.21 noro 259: pv = (unsigned int)FA0(f1); ind = (NODE)FA1(f1);
1.1 noro 260: if ( !ind ) {
261: val = eval((FNODE)FA1(f)); ASSPV(pv,val);
262: } else {
263: GETPV(pv,a);
264: evalnodebody(ind,&tn);
265: putarray(a,tn,val = eval((FNODE)FA1(f)));
266: }
1.6 noro 267: } else if ( ID(f1) == I_POINT ) {
268: /* f1 <-> FA0(f1)->FA1(f1) */
269: a = eval(FA0(f1));
1.7 noro 270: assign_to_member(a,(char *)FA1(f1),val = eval((FNODE)FA1(f)));
271: } else if ( ID(f1) == I_INDEX ) {
272: /* f1 <-> FA0(f1)[FA1(f1)] */
273: a = eval((FNODE)FA0(f1)); ind = (NODE)FA1(f1);
274: evalnodebody(ind,&tn);
275: putarray(a,tn,val = eval((FNODE)FA1(f)));
1.15 noro 276: } else {
277: error("eval : invalid assignment");
1.6 noro 278: }
1.1 noro 279: break;
280: case I_ANS:
281: if ( (pv =(int)FA0(f)) < (int)APVS->n )
282: val = APVS->va[pv].priv;
283: break;
284: case I_GF2NGEN:
285: NEWUP2(up2,1);
286: up2->w=1;
287: up2->b[0] = 2; /* @ */
288: MKGF2N(up2,gf2n);
289: val = (pointer)gf2n;
290: break;
291: case I_GFPNGEN:
292: up = UPALLOC(1);
1.13 noro 293: DEG(up)=1;
294: COEF(up)[0] = 0;
295: COEF(up)[1] = (Num)ONELM;
1.1 noro 296: MKGFPN(up,gfpn);
297: val = (pointer)gfpn;
1.13 noro 298: break;
299: case I_GFSNGEN:
300: um = UMALLOC(1);
301: DEG(um) = 1;
302: COEF(um)[0] = 0;
303: COEF(um)[1] = _onesf();
304: MKGFSN(um,gfsn);
305: val = (pointer)gfsn;
1.1 noro 306: break;
307: case I_STR:
308: MKSTR(str,FA0(f)); val = (pointer)str; break;
309: case I_FORMULA:
310: val = FA0(f); break;
311: case I_LIST:
312: evalnodebody((NODE)FA0(f),&tn); MKLIST(t,tn); val = (pointer)t; break;
1.48 noro 313: case I_CONS:
314: evalnodebody((NODE)FA0(f),&tn); a2 = eval(FA1(f));
315: if ( !a2 || OID(a2) != O_LIST )
316: error("cons : invalid argument");
317: for ( tn1 = tn; NEXT(tn1); tn1 = NEXT(tn1) );
318: NEXT(tn1) = BDY((LIST)a2);
319: MKLIST(t,tn); val = (pointer)t;
320: break;
1.1 noro 321: case I_NEWCOMP:
322: newstruct((int)FA0(f),(struct oCOMP **)&val); break;
323: case I_CAR:
324: if ( !(a = eval((FNODE)FA0(f))) || (OID(a) != O_LIST) )
325: val = 0;
326: else if ( !BDY((LIST)a) )
327: val = a;
328: else
329: val = (pointer)BDY(BDY((LIST)a));
330: break;
331: case I_CDR:
332: if ( !(a = eval((FNODE)FA0(f))) || (OID(a) != O_LIST) )
333: val = 0;
334: else if ( !BDY((LIST)a) )
335: val = a;
336: else {
337: MKLIST(t,NEXT(BDY((LIST)a))); val = (pointer)t;
338: }
339: break;
340: case I_INDEX:
341: a = eval((FNODE)FA0(f)); ind = (NODE)FA1(f);
342: evalnodebody(ind,&tn); getarray(a,tn,&val);
343: break;
344: case I_OPT:
345: MKSTR(str,(char *)FA0(f));
346: a = (pointer)eval(FA1(f));
347: tn = mknode(2,str,a);
348: MKLIST(t,tn); val = (pointer)t;
349: break;
350: case I_GETOPT:
351: val = (pointer)getopt_from_cpvs((char *)FA0(f));
1.6 noro 352: break;
353: case I_POINT:
354: a = (pointer)eval(FA0(f));
355: val = (pointer)memberofstruct(a,(char *)FA1(f));
1.1 noro 356: break;
357: default:
358: error("eval : unknown id");
359: break;
360: }
361: return ( val );
1.45 noro 362: }
363:
1.51 noro 364: NODE fnode_to_nary_node(NODE);
365: NODE fnode_to_bin_node(NODE,int);
1.46 noro 366:
1.51 noro 367: FNODE fnode_to_nary(FNODE f)
1.46 noro 368: {
369: FNODE a0,a1,a2;
1.47 noro 370: NODE n,t,t0;
1.46 noro 371: pointer val;
372: char *op;
373:
374: if ( !f )
375: return f;
376: switch ( f->id ) {
1.47 noro 377: case I_NARYOP:
1.51 noro 378: n = fnode_to_nary_node((NODE)FA1(f));
1.47 noro 379: return mkfnode(2,I_NARYOP,FA0(f),n);
380:
1.46 noro 381: case I_BOP:
1.51 noro 382: a1 = fnode_to_nary((FNODE)FA1(f));
383: a2 = fnode_to_nary((FNODE)FA2(f));
1.46 noro 384: op = ((ARF)FA0(f))->name;
385: if ( !strcmp(op,"+") || !strcmp(op,"*") ) {
386: if ( a1->id == I_NARYOP && !strcmp(op,((ARF)FA0(a1))->name) ) {
1.47 noro 387: for ( n = (NODE)FA1(a1); NEXT(n); n = NEXT(n) );
1.46 noro 388: if ( a2->id == I_NARYOP && !strcmp(op,((ARF)FA0(a2))->name) )
1.47 noro 389: NEXT(n) = (NODE)FA1(a2);
1.46 noro 390: else
1.47 noro 391: MKNODE(NEXT(n),a2,0);
1.46 noro 392: return a1;
393: } else if ( a2->id == I_NARYOP && !strcmp(op,((ARF)FA0(a2))->name) ) {
394: MKNODE(t,a1,(NODE)FA1(a2));
1.47 noro 395: return mkfnode(2,I_NARYOP,FA0(f),t);
1.46 noro 396: } else {
397: t = mknode(2,a1,a2);
398: return mkfnode(2,I_NARYOP,FA0(f),t);
399: }
400: } else
401: return mkfnode(3,f->id,FA0(f),a1,a2);
402:
403: case I_NOT: case I_PAREN: case I_MINUS:
404: case I_CAR: case I_CDR:
1.51 noro 405: a0 = fnode_to_nary((FNODE)FA0(f));
1.46 noro 406: return mkfnode(1,f->id,a0);
407:
408: case I_COP: case I_LOP:
1.51 noro 409: a1 = fnode_to_nary((FNODE)FA1(f));
410: a2 = fnode_to_nary((FNODE)FA2(f));
1.46 noro 411: return mkfnode(3,f->id,FA0(f),a1,a2);
412:
413: case I_AND: case I_OR:
1.51 noro 414: a0 = fnode_to_nary((FNODE)FA0(f));
415: a1 = fnode_to_nary((FNODE)FA1(f));
1.46 noro 416: return mkfnode(2,f->id,a0,a1);
417:
418: /* ternary operators */
419: case I_CE:
1.51 noro 420: a0 = fnode_to_nary((FNODE)FA0(f));
421: a1 = fnode_to_nary((FNODE)FA1(f));
422: a2 = fnode_to_nary((FNODE)FA2(f));
1.46 noro 423: return mkfnode(3,f->id,a0,a1,a2);
424: break;
425:
426: /* function */
427: case I_FUNC:
1.51 noro 428: a1 = fnode_to_nary((FNODE)FA1(f));
1.46 noro 429: return mkfnode(2,f->id,FA0(f),a1);
430:
431: case I_LIST: case I_EV:
1.51 noro 432: n = fnode_to_nary_node((NODE)FA0(f));
1.46 noro 433: return mkfnode(1,f->id,n);
434:
435: case I_STR: case I_FORMULA: case I_PVAR:
436: return f;
437:
438: default:
1.51 noro 439: error("fnode_to_nary : not implemented yet");
1.46 noro 440: }
441: }
442:
1.51 noro 443: FNODE fnode_to_bin(FNODE f,int dir)
1.46 noro 444: {
445: FNODE a0,a1,a2;
446: NODE n,t;
447: pointer val;
448: ARF fun;
449: int len,i;
450: FNODE *arg;
451:
452: if ( !f )
453: return f;
454: switch ( f->id ) {
455: case I_NARYOP:
456: fun = (ARF)FA0(f);
457: len = length((NODE)FA1(f));
1.53 noro 458: if ( len==1 ) return BDY((NODE)(FA1(f)));
459:
1.46 noro 460: arg = (FNODE *)ALLOCA(len*sizeof(FNODE));
461: for ( i = 0, t = (NODE)FA1(f); i < len; i++, t = NEXT(t) )
1.51 noro 462: arg[i] = fnode_to_bin((FNODE)BDY(t),dir);
1.46 noro 463: if ( dir ) {
464: a2 = mkfnode(3,I_BOP,fun,arg[len-2],arg[len-1]);
465: for ( i = len-3; i >= 0; i-- )
466: a2 = mkfnode(3,I_BOP,fun,arg[i],a2);
467: } else {
468: a2 = mkfnode(3,I_BOP,fun,arg[0],arg[1]);
469: for ( i = 2; i < len; i++ )
470: a2 = mkfnode(3,I_BOP,fun,a2,arg[i]);
471: }
472: return a2;
473:
474: case I_NOT: case I_PAREN: case I_MINUS:
475: case I_CAR: case I_CDR:
1.51 noro 476: a0 = fnode_to_bin((FNODE)FA0(f),dir);
1.46 noro 477: return mkfnode(1,f->id,a0);
478:
479: case I_BOP: case I_COP: case I_LOP:
1.51 noro 480: a1 = fnode_to_bin((FNODE)FA1(f),dir);
481: a2 = fnode_to_bin((FNODE)FA2(f),dir);
1.46 noro 482: return mkfnode(3,f->id,FA0(f),a1,a2);
483:
484: case I_AND: case I_OR:
1.51 noro 485: a0 = fnode_to_bin((FNODE)FA0(f),dir);
486: a1 = fnode_to_bin((FNODE)FA1(f),dir);
1.46 noro 487: return mkfnode(2,f->id,a0,a1);
488:
489: /* ternary operators */
490: case I_CE:
1.51 noro 491: a0 = fnode_to_bin((FNODE)FA0(f),dir);
492: a1 = fnode_to_bin((FNODE)FA1(f),dir);
493: a2 = fnode_to_bin((FNODE)FA2(f),dir);
1.46 noro 494: return mkfnode(3,f->id,a0,a1,a2);
495: break;
496:
497: /* function */
498: case I_FUNC:
1.51 noro 499: a1 = fnode_to_bin((FNODE)FA1(f),dir);
1.46 noro 500: return mkfnode(2,f->id,FA0(f),a1);
501:
502: case I_LIST: case I_EV:
1.51 noro 503: n = fnode_to_bin_node((NODE)FA0(f),dir);
1.46 noro 504: return mkfnode(1,f->id,n);
505:
506: case I_STR: case I_FORMULA: case I_PVAR:
507: return f;
508:
509: default:
1.51 noro 510: error("fnode_to_bin : not implemented yet");
1.46 noro 511: }
512: }
513:
1.45 noro 514: NODE partial_eval_node(NODE n);
515: FNODE partial_eval(FNODE f);
516:
517: FNODE partial_eval(FNODE f)
518: {
519: FNODE a0,a1,a2;
520: NODE n;
1.55 noro 521: Obj obj;
522: QUOTE q;
1.45 noro 523: pointer val;
1.56 noro 524: FUNC func;
1.45 noro 525:
526: if ( !f )
527: return f;
528: switch ( f->id ) {
529: case I_NOT: case I_PAREN: case I_MINUS:
530: case I_CAR: case I_CDR:
531: a0 = partial_eval((FNODE)FA0(f));
532: return mkfnode(1,f->id,a0);
533:
534: case I_BOP: case I_COP: case I_LOP:
535: a1 = partial_eval((FNODE)FA1(f));
536: a2 = partial_eval((FNODE)FA2(f));
537: return mkfnode(3,f->id,FA0(f),a1,a2);
538:
1.50 noro 539: case I_NARYOP:
540: n = partial_eval_node((NODE)FA1(f));
541: return mkfnode(2,f->id,FA0(f),n);
542:
1.45 noro 543: case I_AND: case I_OR:
544: a0 = partial_eval((FNODE)FA0(f));
545: a1 = partial_eval((FNODE)FA1(f));
546: return mkfnode(2,f->id,a0,a1);
547:
548: /* ternary operators */
549: case I_CE:
550: a0 = partial_eval((FNODE)FA0(f));
551: a1 = partial_eval((FNODE)FA1(f));
552: a2 = partial_eval((FNODE)FA2(f));
553: return mkfnode(3,f->id,a0,a1,a2);
554: break;
555:
1.58 noro 556: /* XXX : function is evaluated with QUOTE args */
557: case I_FUNC:
1.45 noro 558: a1 = partial_eval((FNODE)FA1(f));
1.56 noro 559: func = (FUNC)FA0(f);
1.59 noro 560: if ( func->id == A_UNDEF || func->id != A_USR ) {
1.58 noro 561: a1 = mkfnode(2,I_FUNC,func,a1);
1.56 noro 562: return a1;
1.58 noro 563: } else {
564: n = BDY(eval_arg(a1,(unsigned int)0xffffffff));
565: obj = bevalf(func,n);
1.56 noro 566: objtoquote(obj,&q);
567: return BDY(q);
568: }
1.55 noro 569: break;
1.45 noro 570:
571: case I_LIST: case I_EV:
572: n = partial_eval_node((NODE)FA0(f));
573: return mkfnode(1,f->id,n);
574:
575: case I_STR: case I_FORMULA:
576: return f;
577:
578: /* program variable */
579: case I_PVAR:
580: val = eval(f);
581: if ( val && OID((Obj)val) == O_QUOTE )
582: return partial_eval((FNODE)BDY((QUOTE)val));
583: else
584: return mkfnode(1,I_FORMULA,val);
585:
586: default:
587: error("partial_eval : not implemented yet");
588: }
589: }
590:
591: NODE partial_eval_node(NODE n)
592: {
593: NODE r0,r,t;
594:
595: for ( r0 = 0, t = n; t; t = NEXT(t) ) {
596: NEXTNODE(r0,r);
597: BDY(r) = partial_eval((FNODE)BDY(t));
1.49 noro 598: }
599: if ( r0 ) NEXT(r) = 0;
600: return r0;
601: }
602:
1.57 noro 603: NODE rewrite_fnode_node(NODE n,NODE arg,int qarg);
604: FNODE rewrite_fnode(FNODE f,NODE arg,int qarg);
1.49 noro 605:
1.57 noro 606: FNODE rewrite_fnode(FNODE f,NODE arg,int qarg)
1.49 noro 607: {
608: FNODE a0,a1,a2,value;
609: NODE n,t,pair;
610: pointer val;
611: int pv,ind;
612:
613: if ( !f )
614: return f;
615: switch ( f->id ) {
616: case I_NOT: case I_PAREN: case I_MINUS:
617: case I_CAR: case I_CDR:
1.57 noro 618: a0 = rewrite_fnode((FNODE)FA0(f),arg,qarg);
1.49 noro 619: return mkfnode(1,f->id,a0);
620:
621: case I_BOP: case I_COP: case I_LOP:
1.57 noro 622: a1 = rewrite_fnode((FNODE)FA1(f),arg,qarg);
623: a2 = rewrite_fnode((FNODE)FA2(f),arg,qarg);
1.49 noro 624: return mkfnode(3,f->id,FA0(f),a1,a2);
625:
626: case I_AND: case I_OR:
1.57 noro 627: a0 = rewrite_fnode((FNODE)FA0(f),arg,qarg);
628: a1 = rewrite_fnode((FNODE)FA1(f),arg,qarg);
1.49 noro 629: return mkfnode(2,f->id,a0,a1);
630:
631: /* ternary operators */
632: case I_CE:
1.57 noro 633: a0 = rewrite_fnode((FNODE)FA0(f),arg,qarg);
634: a1 = rewrite_fnode((FNODE)FA1(f),arg,qarg);
635: a2 = rewrite_fnode((FNODE)FA2(f),arg,qarg);
1.49 noro 636: return mkfnode(3,f->id,a0,a1,a2);
637: break;
638:
1.52 noro 639: /* nary operators */
640: case I_NARYOP:
1.57 noro 641: n = rewrite_fnode_node((NODE)FA1(f),arg,qarg);
1.52 noro 642: return mkfnode(2,f->id,FA0(f),n);
643:
644: /* and function */
1.49 noro 645: case I_FUNC:
1.57 noro 646: a1 = rewrite_fnode((FNODE)FA1(f),arg,qarg);
647: return mkfnode(2,qarg?I_FUNC_QARG:f->id,FA0(f),a1);
1.49 noro 648:
649: case I_LIST: case I_EV:
1.57 noro 650: n = rewrite_fnode_node((NODE)FA0(f),arg,qarg);
1.49 noro 651: return mkfnode(1,f->id,n);
652:
653: case I_STR: case I_FORMULA:
654: return f;
655:
656: /* program variable */
657: case I_PVAR:
658: pv = (int)FA0(f);
659: for ( t = arg; t; t = NEXT(t) ) {
660: pair = (NODE)BDY(t);
1.57 noro 661: ind = (int)BDY(pair);
662: value = (FNODE)BDY(NEXT(pair));
1.49 noro 663: if ( pv == ind )
664: return value;
665: }
666: return f;
667: break;
668:
669: default:
670: error("rewrite_fnode : not implemented yet");
671: }
672: }
673:
1.57 noro 674: NODE rewrite_fnode_node(NODE n,NODE arg,int qarg)
1.49 noro 675: {
676: NODE r0,r,t;
677:
678: for ( r0 = 0, t = n; t; t = NEXT(t) ) {
679: NEXTNODE(r0,r);
1.57 noro 680: BDY(r) = rewrite_fnode((FNODE)BDY(t),arg,qarg);
1.46 noro 681: }
682: if ( r0 ) NEXT(r) = 0;
683: return r0;
684: }
685:
1.51 noro 686: NODE fnode_to_nary_node(NODE n)
1.46 noro 687: {
688: NODE r0,r,t;
689:
690: for ( r0 = 0, t = n; t; t = NEXT(t) ) {
691: NEXTNODE(r0,r);
1.51 noro 692: BDY(r) = fnode_to_nary((FNODE)BDY(t));
1.46 noro 693: }
694: if ( r0 ) NEXT(r) = 0;
695: return r0;
696: }
697:
1.51 noro 698: NODE fnode_to_bin_node(NODE n,int dir)
1.46 noro 699: {
700: NODE r0,r,t;
701:
702: for ( r0 = 0, t = n; t; t = NEXT(t) ) {
703: NEXTNODE(r0,r);
1.51 noro 704: BDY(r) = fnode_to_bin((FNODE)BDY(t),dir);
1.45 noro 705: }
706: if ( r0 ) NEXT(r) = 0;
707: return r0;
1.1 noro 708: }
709:
1.43 noro 710: V searchvar(char *name);
711:
1.16 noro 712: pointer evalstat(SNODE f)
1.1 noro 713: {
714: pointer val = 0,t,s,s1;
715: P u;
716: NODE tn;
717: int i,ac;
1.43 noro 718: V v;
1.1 noro 719: V *a;
720: char *buf;
1.43 noro 721: FUNC func;
1.1 noro 722:
723: if ( !f )
724: return ( 0 );
725: if ( nextbp && nextbplevel <= 0 && f->id != S_CPLX ) {
726: nextbp = 0;
727: bp(f);
728: }
729: evalstatline = f->ln;
1.60 noro 730: if ( !PVSS ) at_root = evalstatline;
1.1 noro 731:
732: switch ( f->id ) {
733: case S_BP:
734: if ( !nextbp && (!FA1(f) || eval((FNODE)FA1(f))) ) {
735: if ( (FNODE)FA2(f) ) {
1.20 ohara 736: #if defined(PARI)
1.1 noro 737: pari_outfile = stderr;
738: #endif
739: asir_out = stderr;
740: printexpr(CO,eval((FNODE)FA2(f)));
741: putc('\n',asir_out); fflush(asir_out);
1.20 ohara 742: #if defined(PARI)
1.1 noro 743: pari_outfile = stdout;
744: #endif
745: asir_out = stdout;
746: } else {
747: nextbp = 1; nextbplevel = 0;
748: }
749: }
750: val = evalstat((SNODE)FA0(f));
751: break;
752: case S_PFDEF:
753: ac = argc(FA1(f)); a = (V *)MALLOC(ac*sizeof(V));
754: s = eval((FNODE)FA2(f));
755: buf = (char *)ALLOCA(BUFSIZ);
756: for ( i = 0, tn = (NODE)FA1(f); tn; tn = NEXT(tn), i++ ) {
757: t = eval((FNODE)tn->body); sprintf(buf,"_%s",NAME(VR((P)t)));
758: makevar(buf,&u); a[i] = VR(u);
759: substr(CO,0,(Obj)s,VR((P)t),(Obj)u,(Obj *)&s1); s = s1;
760: }
1.43 noro 761: mkpf((char *)FA0(f),(Obj)s,ac,a,0,0,0,(PF *)&val); val = 0;
762: v = searchvar((char *)FA0(f));
763: if ( v ) {
764: searchpf((char *)FA0(f),&func);
765: makesrvar(func,&u);
766: }
767: break;
1.1 noro 768: case S_SINGLE:
769: val = eval((FNODE)FA0(f)); break;
770: case S_CPLX:
771: for ( tn = (NODE)FA0(f); tn; tn = NEXT(tn) ) {
772: if ( BDY(tn) )
773: val = evalstat((SNODE)BDY(tn));
774: if ( f_break || f_return || f_continue )
775: break;
776: }
777: break;
778: case S_BREAK:
779: if ( GPVS != CPVS )
780: f_break = 1;
781: break;
782: case S_CONTINUE:
783: if ( GPVS != CPVS )
784: f_continue = 1;
785: break;
786: case S_RETURN:
787: if ( GPVS != CPVS ) {
788: val = eval((FNODE)FA0(f)); f_return = 1;
789: }
790: break;
791: case S_IFELSE:
792: if ( evalnode((NODE)FA1(f)) )
793: val = evalstat((SNODE)FA2(f));
794: else if ( FA3(f) )
795: val = evalstat((SNODE)FA3(f));
796: break;
797: case S_FOR:
798: evalnode((NODE)FA1(f));
799: while ( 1 ) {
800: if ( !evalnode((NODE)FA2(f)) )
801: break;
802: val = evalstat((SNODE)FA4(f));
803: if ( f_break || f_return )
804: break;
805: f_continue = 0;
806: evalnode((NODE)FA3(f));
807: }
808: f_break = 0; break;
809: case S_DO:
810: while ( 1 ) {
811: val = evalstat((SNODE)FA1(f));
812: if ( f_break || f_return )
813: break;
814: f_continue = 0;
815: if ( !evalnode((NODE)FA2(f)) )
816: break;
817: }
818: f_break = 0; break;
1.40 noro 819: case S_MODULE:
820: CUR_MODULE = (MODULE)FA0(f);
821: if ( CUR_MODULE )
822: MPVS = CUR_MODULE->pvs;
823: else
824: MPVS = 0;
825: break;
1.1 noro 826: default:
827: error("evalstat : unknown id");
828: break;
829: }
830: return ( val );
831: }
832:
1.16 noro 833: pointer evalnode(NODE node)
1.1 noro 834: {
835: NODE tn;
836: pointer val;
837:
838: for ( tn = node, val = 0; tn; tn = NEXT(tn) )
839: if ( BDY(tn) )
840: val = eval((FNODE)BDY(tn));
841: return ( val );
842: }
843:
844:
1.44 noro 845: LIST eval_arg(FNODE a,unsigned int quote)
846: {
847: LIST l;
848: FNODE fn;
849: NODE n,n0,tn;
850: QUOTE q;
851: int i;
852:
853: for ( tn = (NODE)FA0(a), n0 = 0, i = 0; tn; tn = NEXT(tn), i++ ) {
854: NEXTNODE(n0,n);
855: if ( quote & (1<<i) ) {
856: fn = (FNODE)(BDY(tn));
857: if ( fn->id == I_FORMULA && FA0(fn)
858: && OID((Obj)FA0(fn))== O_QUOTE )
859: BDY(n) = FA0(fn);
860: else {
861: MKQUOTE(q,(FNODE)BDY(tn));
862: BDY(n) = (pointer)q;
863: }
864: } else
865: BDY(n) = eval((FNODE)BDY(tn));
866: }
867: if ( n0 ) NEXT(n) = 0;
868: MKLIST(l,n0);
869: return l;
870: }
871:
1.16 noro 872: pointer evalf(FUNC f,FNODE a,FNODE opt)
1.1 noro 873: {
874: LIST args;
875: pointer val;
876: int i,n,level;
1.30 noro 877: NODE tn,sn,opts,opt1,dmy;
878: VS pvs,prev_mpvs;
1.1 noro 879: char errbuf[BUFSIZ];
1.19 saito 880: static unsigned int stack_size;
1.12 noro 881: static void *stack_base;
1.43 noro 882: FUNC f1;
1.1 noro 883:
884: if ( f->id == A_UNDEF ) {
1.43 noro 885: gen_searchf_searchonly(f->fullname,&f1);
886: if ( f1->id == A_UNDEF ) {
887: sprintf(errbuf,"evalf : %s undefined",NAME(f));
888: error(errbuf);
889: } else
890: *f = *f1;
1.36 noro 891: }
892: if ( getsecuremode() && !PVSS && !f->secure ) {
893: sprintf(errbuf,"evalf : %s not permitted",NAME(f));
1.1 noro 894: error(errbuf);
895: }
896: if ( f->id != A_PARI ) {
897: for ( i = 0, tn = a?(NODE)FA0(a):0; tn; i++, tn = NEXT(tn) );
898: if ( ((n = f->argc)>= 0 && i != n) || (n < 0 && i > -n) ) {
899: sprintf(errbuf,"evalf : argument mismatch in %s()",NAME(f));
900: error(errbuf);
901: }
902: }
903: switch ( f->id ) {
904: case A_BIN:
1.30 noro 905: if ( opt ) {
906: opts = BDY((LIST)eval(opt));
907: /* opts = ["opt1",arg1],... */
908: opt1 = BDY((LIST)BDY(opts));
909: if ( !strcmp(BDY((STRING)BDY(opt1)),"option_list") ) {
910: /*
911: * the special option specification:
912: * option_list=[["o1","a1"],...]
913: */
914: asir_assert(BDY(NEXT(opt1)),O_LIST,"evalf");
915: opts = BDY((LIST)BDY(NEXT(opt1)));
916: }
917: } else
918: opts = 0;
1.1 noro 919: if ( !n ) {
920: cur_binf = f;
921: (*f->f.binf)(&val);
922: } else {
1.44 noro 923: args = (LIST)eval_arg(a,f->quote);
1.33 noro 924: current_option = opts;
1.1 noro 925: cur_binf = f;
926: (*f->f.binf)(args?BDY(args):0,&val);
927: }
928: cur_binf = 0;
929: break;
930: case A_PARI:
931: args = (LIST)eval(a);
932: cur_binf = f;
933: val = evalparif(f,args?BDY(args):0);
934: cur_binf = 0;
935: break;
936: case A_USR:
1.12 noro 937: /* stack check */
1.17 noro 938: #if !defined(VISUAL) && !defined(__CYGWIN__)
1.12 noro 939: if ( !stack_size ) {
940: struct rlimit rl;
941: getrlimit(RLIMIT_STACK,&rl);
942: stack_size = rl.rlim_cur;
943: }
1.61 ohara 944: if ( !stack_base ) {
945: #if defined(GC7)
946: struct GC_stack_base sb;
947: GC_get_stack_base(&sb);
948: stack_base = (void *)sb.mem_base;
949: #else
950: stack_base = (void *)GC_get_stack_base();
951: #endif
952: }
1.12 noro 953: if ( (stack_base - (void *)&args) +0x100000 > stack_size )
954: error("stack overflow");
955: #endif
1.44 noro 956: args = (LIST)eval_arg(a,f->quote);
1.11 noro 957: if ( opt ) {
1.1 noro 958: opts = BDY((LIST)eval(opt));
1.11 noro 959: /* opts = ["opt1",arg1],... */
960: opt1 = BDY((LIST)BDY(opts));
961: if ( !strcmp(BDY((STRING)BDY(opt1)),"option_list") ) {
962: /*
963: * the special option specification:
964: * option_list=[["o1","a1"],...]
965: */
966: asir_assert(BDY(NEXT(opt1)),O_LIST,"evalf");
967: opts = BDY((LIST)BDY(NEXT(opt1)));
968: }
969: } else
1.1 noro 970: opts = 0;
971: pvs = f->f.usrf->pvs;
972: if ( PVSS ) {
973: ((VS)BDY(PVSS))->at = evalstatline;
974: level = ((VS)BDY(PVSS))->level+1;
975: } else
976: level = 1;
977: MKNODE(tn,pvs,PVSS); PVSS = tn;
978: CPVS = (VS)ALLOCA(sizeof(struct oVS)); BDY(PVSS) = (pointer)CPVS;
979: CPVS->usrf = f; CPVS->n = CPVS->asize = pvs->n;
980: CPVS->level = level;
981: CPVS->opt = opts;
982: if ( CPVS->n ) {
983: CPVS->va = (struct oPV *)ALLOCA(CPVS->n*sizeof(struct oPV));
984: bcopy((char *)pvs->va,(char *)CPVS->va,
985: (int)(pvs->n*sizeof(struct oPV)));
986: }
987: if ( nextbp )
988: nextbplevel++;
989: for ( tn = f->f.usrf->args, sn = BDY(args);
990: sn; tn = NEXT(tn), sn = NEXT(sn) )
991: ASSPV((int)FA0((FNODE)BDY(tn)),BDY(sn));
1.21 noro 992: if ( f->f.usrf->module ) {
993: prev_mpvs = MPVS;
994: MPVS = f->f.usrf->module->pvs;
995: val = evalstat((SNODE)BDY(f->f.usrf));
996: MPVS = prev_mpvs;
997: } else
998: val = evalstat((SNODE)BDY(f->f.usrf));
1.1 noro 999: f_return = f_break = f_continue = 0; poppvs();
1000: break;
1001: case A_PURE:
1002: args = (LIST)eval(a);
1.44 noro 1003: val = evalpf(f->f.puref,args?BDY(args):0,0);
1.1 noro 1004: break;
1005: default:
1006: sprintf(errbuf,"evalf : %s undefined",NAME(f));
1007: error(errbuf);
1008: break;
1009: }
1010: return val;
1011: }
1012:
1.44 noro 1013: pointer evalf_deriv(FUNC f,FNODE a,FNODE deriv)
1014: {
1015: LIST args,dargs;
1016: pointer val;
1017: char errbuf[BUFSIZ];
1018:
1019: switch ( f->id ) {
1020: case A_PURE:
1021: args = (LIST)eval(a);
1022: dargs = (LIST)eval(deriv);
1023: val = evalpf(f->f.puref,
1024: args?BDY(args):0,dargs?BDY(dargs):0);
1025: break;
1026: default:
1027: sprintf(errbuf,
1028: "evalf : %s is not a pure function",NAME(f));
1029: error(errbuf);
1030: break;
1031: }
1032: return val;
1033: }
1034:
1.16 noro 1035: pointer evalmapf(FUNC f,FNODE a)
1.1 noro 1036: {
1037: LIST args;
1038: NODE node,rest,t,n,r,r0;
1039: Obj head;
1040: VECT v,rv;
1041: MAT m,rm;
1042: LIST rl;
1043: int len,row,col,i,j;
1044: pointer val;
1045:
1.44 noro 1046: args = (LIST)eval_arg(a,f->quote);
1.1 noro 1047: node = BDY(args); head = (Obj)BDY(node); rest = NEXT(node);
1.3 noro 1048: if ( !head ) {
1049: val = bevalf(f,node);
1050: return val;
1051: }
1.1 noro 1052: switch ( OID(head) ) {
1053: case O_VECT:
1054: v = (VECT)head; len = v->len; MKVECT(rv,len);
1055: for ( i = 0; i < len; i++ ) {
1056: MKNODE(t,BDY(v)[i],rest); BDY(rv)[i] = bevalf(f,t);
1057: }
1058: val = (pointer)rv;
1059: break;
1060: case O_MAT:
1061: m = (MAT)head; row = m->row; col = m->col; MKMAT(rm,row,col);
1062: for ( i = 0; i < row; i++ )
1063: for ( j = 0; j < col; j++ ) {
1064: MKNODE(t,BDY(m)[i][j],rest); BDY(rm)[i][j] = bevalf(f,t);
1065: }
1066: val = (pointer)rm;
1067: break;
1068: case O_LIST:
1069: n = BDY((LIST)head);
1070: for ( r0 = r = 0; n; n = NEXT(n) ) {
1071: NEXTNODE(r0,r); MKNODE(t,BDY(n),rest); BDY(r) = bevalf(f,t);
1.9 noro 1072: }
1073: if ( r0 )
1074: NEXT(r) = 0;
1075: MKLIST(rl,r0);
1076: val = (pointer)rl;
1077: break;
1078: default:
1079: val = bevalf(f,node);
1080: break;
1081: }
1082: return val;
1083: }
1084:
1.16 noro 1085: pointer eval_rec_mapf(FUNC f,FNODE a)
1.9 noro 1086: {
1087: LIST args;
1088:
1.44 noro 1089: args = (LIST)eval_arg(a,f->quote);
1.9 noro 1090: return beval_rec_mapf(f,BDY(args));
1091: }
1092:
1.16 noro 1093: pointer beval_rec_mapf(FUNC f,NODE node)
1.9 noro 1094: {
1095: NODE rest,t,n,r,r0;
1096: Obj head;
1097: VECT v,rv;
1098: MAT m,rm;
1099: LIST rl;
1100: int len,row,col,i,j;
1101: pointer val;
1102:
1103: head = (Obj)BDY(node); rest = NEXT(node);
1104: if ( !head ) {
1105: val = bevalf(f,node);
1106: return val;
1107: }
1108: switch ( OID(head) ) {
1109: case O_VECT:
1110: v = (VECT)head; len = v->len; MKVECT(rv,len);
1111: for ( i = 0; i < len; i++ ) {
1112: MKNODE(t,BDY(v)[i],rest); BDY(rv)[i] = beval_rec_mapf(f,t);
1113: }
1114: val = (pointer)rv;
1115: break;
1116: case O_MAT:
1117: m = (MAT)head; row = m->row; col = m->col; MKMAT(rm,row,col);
1118: for ( i = 0; i < row; i++ )
1119: for ( j = 0; j < col; j++ ) {
1120: MKNODE(t,BDY(m)[i][j],rest);
1121: BDY(rm)[i][j] = beval_rec_mapf(f,t);
1122: }
1123: val = (pointer)rm;
1124: break;
1125: case O_LIST:
1126: n = BDY((LIST)head);
1127: for ( r0 = r = 0; n; n = NEXT(n) ) {
1128: NEXTNODE(r0,r); MKNODE(t,BDY(n),rest);
1129: BDY(r) = beval_rec_mapf(f,t);
1.1 noro 1130: }
1131: if ( r0 )
1132: NEXT(r) = 0;
1133: MKLIST(rl,r0);
1134: val = (pointer)rl;
1135: break;
1136: default:
1137: val = bevalf(f,node);
1138: break;
1139: }
1140: return val;
1141: }
1142:
1.16 noro 1143: pointer bevalf(FUNC f,NODE a)
1.1 noro 1144: {
1145: pointer val;
1146: int i,n;
1147: NODE tn,sn;
1.44 noro 1148: VS pvs,prev_mpvs;
1.1 noro 1149: char errbuf[BUFSIZ];
1150:
1151: if ( f->id == A_UNDEF ) {
1152: sprintf(errbuf,"bevalf : %s undefined",NAME(f));
1.37 noro 1153: error(errbuf);
1154: }
1155: if ( getsecuremode() && !PVSS && !f->secure ) {
1156: sprintf(errbuf,"bevalf : %s not permitted",NAME(f));
1.1 noro 1157: error(errbuf);
1158: }
1159: if ( f->id != A_PARI ) {
1160: for ( i = 0, tn = a; tn; i++, tn = NEXT(tn) );
1161: if ( ((n = f->argc)>= 0 && i != n) || (n < 0 && i > -n) ) {
1162: sprintf(errbuf,"bevalf : argument mismatch in %s()",NAME(f));
1163: error(errbuf);
1164: }
1165: }
1166: switch ( f->id ) {
1167: case A_BIN:
1168: if ( !n ) {
1169: cur_binf = f;
1170: (*f->f.binf)(&val);
1171: } else {
1172: cur_binf = f;
1173: (*f->f.binf)(a,&val);
1174: }
1175: cur_binf = 0;
1176: break;
1177: case A_PARI:
1178: cur_binf = f;
1179: val = evalparif(f,a);
1180: cur_binf = 0;
1181: break;
1182: case A_USR:
1183: pvs = f->f.usrf->pvs;
1184: if ( PVSS )
1185: ((VS)BDY(PVSS))->at = evalstatline;
1186: MKNODE(tn,pvs,PVSS); PVSS = tn;
1187: CPVS = (VS)ALLOCA(sizeof(struct oVS)); BDY(PVSS) = (pointer)CPVS;
1188: CPVS->usrf = f; CPVS->n = CPVS->asize = pvs->n;
1189: CPVS->opt = 0;
1190: if ( CPVS->n ) {
1191: CPVS->va = (struct oPV *)ALLOCA(CPVS->n*sizeof(struct oPV));
1192: bcopy((char *)pvs->va,(char *)CPVS->va,
1193: (int)(pvs->n*sizeof(struct oPV)));
1194: }
1195: if ( nextbp )
1196: nextbplevel++;
1197: for ( tn = f->f.usrf->args, sn = a;
1198: sn; tn = NEXT(tn), sn = NEXT(sn) )
1199: ASSPV((int)FA0((FNODE)BDY(tn)),BDY(sn));
1.39 noro 1200: if ( f->f.usrf->module ) {
1201: prev_mpvs = MPVS;
1202: MPVS = f->f.usrf->module->pvs;
1203: val = evalstat((SNODE)BDY(f->f.usrf));
1204: MPVS = prev_mpvs;
1205: } else
1206: val = evalstat((SNODE)BDY(f->f.usrf));
1.1 noro 1207: f_return = f_break = f_continue = 0; poppvs();
1208: break;
1209: case A_PURE:
1.44 noro 1210: val = evalpf(f->f.puref,a,0);
1.1 noro 1211: break;
1212: default:
1213: sprintf(errbuf,"bevalf : %s undefined",NAME(f));
1214: error(errbuf);
1215: break;
1216: }
1217: return val;
1218: }
1219:
1.63 ! noro 1220: pointer evalif(FNODE f,FNODE a,FNODE opt)
1.1 noro 1221: {
1222: Obj g;
1.50 noro 1223: QUOTE q;
1.41 noro 1224: FNODE t;
1.50 noro 1225: LIST l;
1.1 noro 1226:
1227: g = (Obj)eval(f);
1228: if ( g && (OID(g) == O_P) && (VR((P)g)->attr == (pointer)V_SR) )
1.63 ! noro 1229: return evalf((FUNC)VR((P)g)->priv,a,opt);
1.41 noro 1230: else if ( g && OID(g) == O_QUOTEARG && ((QUOTEARG)g)->type == A_func ) {
1231: t = mkfnode(2,I_FUNC,((QUOTEARG)g)->body,a);
1.50 noro 1232: MKQUOTE(q,t);
1233: return q;
1.41 noro 1234: } else {
1.1 noro 1235: error("invalid function pointer");
1.16 noro 1236: /* NOTREACHED */
1237: return (pointer)-1;
1.1 noro 1238: }
1239: }
1240:
1.44 noro 1241: pointer evalpf(PF pf,NODE args,NODE dargs)
1.1 noro 1242: {
1243: Obj s,s1;
1.54 noro 1244: int i,di,j;
1.44 noro 1245: NODE node,dnode;
1.1 noro 1246: PFINS ins;
1247: PFAD ad;
1248:
1249: if ( !pf->body ) {
1250: ins = (PFINS)CALLOC(1,sizeof(PF)+pf->argc*sizeof(struct oPFAD));
1251: ins->pf = pf;
1.44 noro 1252: for ( i = 0, node = args, dnode = dargs, ad = ins->ad;
1253: node; i++ ) {
1254: ad[i].arg = (Obj)node->body;
1255: if ( !dnode ) ad[i].d = 0;
1256: else
1257: ad[i].d = QTOS((Q)dnode->body);
1258: node = NEXT(node);
1259: if ( dnode ) dnode = NEXT(dnode);
1.1 noro 1260: }
1261: simplify_ins(ins,&s);
1262: } else {
1.54 noro 1263: s = pf->body;
1264: if ( dnode ) {
1265: for ( i = 0, dnode = dargs; dnode; dnode = NEXT(dnode), i++ ) {
1266: di = QTOS((Q)dnode->body);
1267: for ( j = 0; j < di; j++ ) {
1268: derivr(CO,s,pf->args[i],&s1); s = s1;
1269: }
1270: }
1271: }
1272: for ( i = 0, node = args; node; node = NEXT(node), i++ ) {
1.1 noro 1273: substr(CO,0,s,pf->args[i],(Obj)node->body,&s1); s = s1;
1274: }
1275: }
1276: return (pointer)s;
1277: }
1278:
1.16 noro 1279: void evalnodebody(NODE sn,NODE *dnp)
1.1 noro 1280: {
1281: NODE n,n0,tn;
1282: int line;
1283:
1284: if ( !sn ) {
1285: *dnp = 0;
1286: return;
1287: }
1288: line = evalstatline;
1289: for ( tn = sn, n0 = 0; tn; tn = NEXT(tn) ) {
1290: NEXTNODE(n0,n);
1291: BDY(n) = eval((FNODE)BDY(tn));
1292: evalstatline = line;
1293: }
1294: NEXT(n) = 0; *dnp = n0;
1295: }
1296:
1.21 noro 1297: MODULE searchmodule(char *name)
1298: {
1299: MODULE mod;
1300: NODE m;
1301:
1302: for ( m = MODULE_LIST; m; m = NEXT(m) ) {
1303: mod = (MODULE)BDY(m);
1304: if ( !strcmp(mod->name,name) )
1305: return mod;
1306: }
1307: return 0;
1308: }
1.24 noro 1309: /*
1310: * xxx.yyy() is searched in the flist
1311: * of the module xxx.
1312: * yyy() is searched in the global flist.
1313: */
1.21 noro 1314:
1.22 noro 1315: void searchuf(char *name,FUNC *r)
1316: {
1317: MODULE mod;
1318: char *name0,*dot;
1319:
1320: if ( dot = strchr(name,'.') ) {
1321: name0 = (char *)ALLOCA(strlen(name)+1);
1322: strcpy(name0,name);
1323: dot = strchr(name0,'.');
1324: *dot = 0;
1325: mod = searchmodule(name0);
1326: if ( mod )
1327: searchf(mod->usrf_list,dot+1,r);
1328: } else
1329: searchf(usrf,name,r);
1330: }
1331:
1.16 noro 1332: void gen_searchf(char *name,FUNC *r)
1.12 noro 1333: {
1.21 noro 1334: FUNC val = 0;
1.29 noro 1335: int global = 0;
1336: if ( *name == ':' ) {
1337: global = 1;
1338: name += 2;
1339: }
1340: if ( CUR_MODULE && !global )
1.21 noro 1341: searchf(CUR_MODULE->usrf_list,name,&val);
1.25 noro 1342: if ( !val )
1343: searchf(sysf,name,&val);
1344: if ( !val )
1345: searchf(ubinf,name,&val);
1346: if ( !val )
1347: searchpf(name,&val);
1348: if ( !val )
1349: searchuf(name,&val);
1350: if ( !val )
1351: appenduf(name,&val);
1.34 noro 1352: *r = val;
1353: }
1354:
1355: void gen_searchf_searchonly(char *name,FUNC *r)
1356: {
1357: FUNC val = 0;
1358: int global = 0;
1359: if ( *name == ':' ) {
1360: global = 1;
1361: name += 2;
1362: }
1363: if ( CUR_MODULE && !global )
1364: searchf(CUR_MODULE->usrf_list,name,&val);
1365: if ( !val )
1366: searchf(sysf,name,&val);
1367: if ( !val )
1368: searchf(ubinf,name,&val);
1369: if ( !val )
1370: searchpf(name,&val);
1371: if ( !val )
1372: searchuf(name,&val);
1.12 noro 1373: *r = val;
1374: }
1375:
1.16 noro 1376: void searchf(NODE fn,char *name,FUNC *r)
1.1 noro 1377: {
1378: NODE tn;
1379:
1380: for ( tn = fn;
1381: tn && strcmp(NAME((FUNC)BDY(tn)),name); tn = NEXT(tn) );
1382: if ( tn ) {
1383: *r = (FUNC)BDY(tn);
1384: return;
1385: }
1386: *r = 0;
1387: }
1388:
1.22 noro 1389: MODULE mkmodule(char *);
1390:
1.16 noro 1391: void appenduf(char *name,FUNC *r)
1.1 noro 1392: {
1393: NODE tn;
1394: FUNC f;
1.22 noro 1395: int len;
1396: MODULE mod;
1397: char *modname,*fname,*dot;
1.1 noro 1398:
1399: f=(FUNC)MALLOC(sizeof(struct oFUNC));
1.22 noro 1400: f->id = A_UNDEF; f->argc = 0; f->f.binf = 0;
1401: if ( dot = strchr(name,'.') ) {
1.28 noro 1402: /* undefined function in a module */
1.22 noro 1403: len = dot-name;
1404: modname = (char *)MALLOC_ATOMIC(len+1);
1405: strncpy(modname,name,len); modname[len] = 0;
1406: fname = (char *)MALLOC_ATOMIC(strlen(name)-len+1);
1407: strcpy(fname,dot+1);
1408: f->name = fname;
1.25 noro 1409: f->fullname = name;
1.28 noro 1410: mod = searchmodule(modname);
1411: if ( !mod )
1412: mod = mkmodule(modname);
1413: MKNODE(tn,f,mod->usrf_list); mod->usrf_list = tn;
1.21 noro 1414: } else {
1.22 noro 1415: f->name = name;
1.25 noro 1416: f->fullname = name;
1417: MKNODE(tn,f,usrf); usrf = tn;
1.21 noro 1418: }
1.1 noro 1419: *r = f;
1420: }
1421:
1.25 noro 1422: void appenduf_local(char *name,FUNC *r)
1.24 noro 1423: {
1424: NODE tn;
1425: FUNC f;
1.25 noro 1426: MODULE mod;
1.24 noro 1427:
1.27 noro 1428: for ( tn = CUR_MODULE->usrf_list; tn; tn = NEXT(tn) )
1429: if ( !strcmp(((FUNC)BDY(tn))->name,name) )
1430: break;
1431: if ( tn )
1432: return;
1433:
1.24 noro 1434: f=(FUNC)MALLOC(sizeof(struct oFUNC));
1435: f->id = A_UNDEF; f->argc = 0; f->f.binf = 0;
1.25 noro 1436: f->name = name;
1437: f->fullname =
1438: (char *)MALLOC_ATOMIC(strlen(CUR_MODULE->name)+strlen(name)+1);
1439: sprintf(f->fullname,"%s.%s",CUR_MODULE->name,name);
1440: MKNODE(tn,f,CUR_MODULE->usrf_list); CUR_MODULE->usrf_list = tn;
1.24 noro 1441: *r = f;
1442: }
1443:
1.25 noro 1444: void appenduflist(NODE n)
1445: {
1446: NODE tn;
1447: FUNC f;
1448:
1449: for ( tn = n; tn; tn = NEXT(tn) )
1450: appenduf_local((char *)BDY(tn),&f);
1451: }
1452:
1.16 noro 1453: void mkparif(char *name,FUNC *r)
1.1 noro 1454: {
1455: FUNC f;
1456:
1457: *r = f =(FUNC)MALLOC(sizeof(struct oFUNC));
1458: f->name = name; f->id = A_PARI; f->argc = 0; f->f.binf = 0;
1.27 noro 1459: f->fullname = name;
1.1 noro 1460: }
1461:
1.21 noro 1462: void mkuf(char *name,char *fname,NODE args,SNODE body,int startl,int endl,char *desc,MODULE module)
1.1 noro 1463: {
1464: FUNC f;
1465: USRF t;
1.21 noro 1466: NODE usrf_list,sn,tn;
1.1 noro 1467: FNODE fn;
1.21 noro 1468: char *longname;
1.1 noro 1469: int argc;
1470:
1.38 noro 1471: if ( getsecuremode() ) {
1472: error("defining function is not permitted in the secure mode");
1473: }
1.29 noro 1474: if ( *name == ':' )
1475: name += 2;
1.21 noro 1476: if ( !module ) {
1477: searchf(sysf,name,&f);
1478: if ( f ) {
1479: fprintf(stderr,"def : builtin function %s() cannot be redefined.\n",name);
1480: CPVS = GPVS; return;
1481: }
1.1 noro 1482: }
1483: for ( argc = 0, sn = args; sn; argc++, sn = NEXT(sn) ) {
1484: fn = (FNODE)BDY(sn);
1485: if ( !fn || ID(fn) != I_PVAR ) {
1486: fprintf(stderr,"illegal argument in %s()\n",name);
1487: CPVS = GPVS; return;
1488: }
1489: }
1.21 noro 1490: usrf_list = module ? module->usrf_list : usrf;
1491: for ( sn = usrf_list; sn && strcmp(NAME((FUNC)BDY(sn)),name); sn = NEXT(sn) );
1.1 noro 1492: if ( sn )
1493: f = (FUNC)BDY(sn);
1494: else {
1495: f=(FUNC)MALLOC(sizeof(struct oFUNC));
1496: f->name = name;
1.21 noro 1497: MKNODE(tn,f,usrf_list); usrf_list = tn;
1.25 noro 1498: if ( module ) {
1499: f->fullname =
1500: (char *)MALLOC_ATOMIC(strlen(f->name)+strlen(module->name)+1);
1501: sprintf(f->fullname,"%s.%s",module->name,f->name);
1.21 noro 1502: module->usrf_list = usrf_list;
1.25 noro 1503: } else {
1504: f->fullname = f->name;
1.21 noro 1505: usrf = usrf_list;
1.25 noro 1506: }
1.21 noro 1507: }
1508: if ( Verbose && f->id != A_UNDEF ) {
1509: if ( module )
1510: fprintf(stderr,"Warning : %s.%s() redefined.\n",module->name,name);
1511: else
1512: fprintf(stderr,"Warning : %s() redefined.\n",name);
1.1 noro 1513: }
1514: t=(USRF)MALLOC(sizeof(struct oUSRF));
1515: t->args=args; BDY(t)=body; t->pvs = CPVS; t->fname = fname;
1.21 noro 1516: t->startl = startl; t->endl = endl; t->module = module;
1.1 noro 1517: t->desc = desc;
1518: f->id = A_USR; f->argc = argc; f->f.usrf = t;
1519: CPVS = GPVS;
1.24 noro 1520: CUR_FUNC = 0;
1.1 noro 1521: clearbp(f);
1522: }
1523:
1524: /*
1525: retrieve value of an option whose key matches 'key'
1526: CVS->opt is a list(node) of key-value pair (list)
1527: CVS->opt = BDY([[key,value],[key,value],...])
1528: */
1529:
1.16 noro 1530: Obj getopt_from_cpvs(char *key)
1.1 noro 1531: {
1532: NODE opts,opt;
1.12 noro 1533: LIST r;
1.1 noro 1534: extern Obj VOIDobj;
1535:
1536: opts = CPVS->opt;
1.12 noro 1537: if ( !key ) {
1538: MKLIST(r,opts);
1539: return (Obj)r;
1540: } else {
1541: for ( ; opts; opts = NEXT(opts) ) {
1542: asir_assert(BDY(opts),O_LIST,"getopt_from_cvps");
1543: opt = BDY((LIST)BDY(opts));
1544: if ( !strcmp(key,BDY((STRING)BDY(opt))) )
1545: return (Obj)BDY(NEXT(opt));
1546: }
1547: return VOIDobj;
1.1 noro 1548: }
1549:
1.21 noro 1550: }
1551:
1552: MODULE mkmodule(char *name)
1553: {
1554: MODULE mod;
1555: NODE m;
1556: int len;
1557: VS mpvs;
1558:
1559: for ( m = MODULE_LIST; m; m = NEXT(m) ) {
1560: mod = (MODULE)m->body;
1561: if ( !strcmp(mod->name,name) )
1562: break;
1563: }
1564: if ( m )
1565: return mod;
1566: else {
1567: mod = (MODULE)MALLOC(sizeof(struct oMODULE));
1568: len = strlen(name);
1569: mod->name = (char *)MALLOC_ATOMIC(len+1);
1570: strcpy(mod->name,name);
1571: mod->pvs = mpvs = (VS)MALLOC(sizeof(struct oVS));
1572: reallocarray((char **)&mpvs->va,(int *)&mpvs->asize,
1573: (int *)&mpvs->n,(int)sizeof(struct oPV));
1574: mod->usrf_list = 0;
1575: MKNODE(m,mod,MODULE_LIST);
1576: MODULE_LIST = m;
1577: return mod;
1578: }
1.23 noro 1579: }
1580:
1.24 noro 1581: void print_crossref(FUNC f)
1582: {
1.26 takayama 1583: FUNC r;
1584: if ( show_crossref && CUR_FUNC ) {
1585: searchuf(f->fullname,&r);
1586: if (r != NULL) {
1587: fprintf(asir_out,"%s() at line %d in %s()\n",
1588: f->fullname, asir_infile->ln, CUR_FUNC);
1589: }
1590: }
1.1 noro 1591: }
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