Commit | Line | Data |
---|---|---|
36f7ba0a | 1 | /* Execution of byte code produced by bytecomp.el. |
c6c5df7f | 2 | Copyright (C) 1985, 1986, 1987, 1988, 1993 Free Software Foundation, Inc. |
36f7ba0a JB |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
63639d44 | 8 | the Free Software Foundation; either version 2, or (at your option) |
36f7ba0a JB |
9 | any later version. |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
19 | ||
63639d44 | 20 | hacked on by jwz@lucid.com 17-jun-91 |
36f7ba0a JB |
21 | o added a compile-time switch to turn on simple sanity checking; |
22 | o put back the obsolete byte-codes for error-detection; | |
36f7ba0a JB |
23 | o added a new instruction, unbind_all, which I will use for |
24 | tail-recursion elimination; | |
63639d44 | 25 | o made temp_output_buffer_show be called with the right number |
36f7ba0a JB |
26 | of args; |
27 | o made the new bytecodes be called with args in the right order; | |
28 | o added metering support. | |
29 | ||
30 | by Hallvard: | |
3ffbe76b | 31 | o added relative jump instructions; |
36f7ba0a JB |
32 | o all conditionals now only do QUIT if they jump. |
33 | */ | |
34 | ||
18160b98 | 35 | #include <config.h> |
36f7ba0a JB |
36 | #include "lisp.h" |
37 | #include "buffer.h" | |
38 | #include "syntax.h" | |
39 | ||
63639d44 JB |
40 | /* |
41 | * define BYTE_CODE_SAFE to enable some minor sanity checking (useful for | |
42 | * debugging the byte compiler...) | |
43 | * | |
44 | * define BYTE_CODE_METER to enable generation of a byte-op usage histogram. | |
36f7ba0a | 45 | */ |
63639d44 JB |
46 | /* #define BYTE_CODE_SAFE */ |
47 | /* #define BYTE_CODE_METER */ | |
36f7ba0a JB |
48 | |
49 | \f | |
50 | #ifdef BYTE_CODE_METER | |
51 | ||
63639d44 | 52 | Lisp_Object Vbyte_code_meter, Qbyte_code_meter; |
36f7ba0a JB |
53 | int byte_metering_on; |
54 | ||
63639d44 | 55 | #define METER_2(code1, code2) \ |
36f7ba0a JB |
56 | XFASTINT (XVECTOR (XVECTOR (Vbyte_code_meter)->contents[(code1)]) \ |
57 | ->contents[(code2)]) | |
58 | ||
63639d44 JB |
59 | #define METER_1(code) METER_2 (0, (code)) |
60 | ||
61 | #define METER_CODE(last_code, this_code) \ | |
62 | { \ | |
63 | if (byte_metering_on) \ | |
64 | { \ | |
65 | if (METER_1 (this_code) != ((1<<VALBITS)-1)) \ | |
66 | METER_1 (this_code)++; \ | |
67 | if (last_code \ | |
68 | && METER_2 (last_code, this_code) != ((1<<VALBITS)-1))\ | |
69 | METER_2 (last_code, this_code)++; \ | |
70 | } \ | |
71 | } | |
36f7ba0a | 72 | |
63639d44 | 73 | #else /* no BYTE_CODE_METER */ |
36f7ba0a | 74 | |
63639d44 | 75 | #define METER_CODE(last_code, this_code) |
044512ed | 76 | |
63639d44 | 77 | #endif /* no BYTE_CODE_METER */ |
36f7ba0a JB |
78 | \f |
79 | ||
80 | Lisp_Object Qbytecode; | |
81 | ||
82 | /* Byte codes: */ | |
83 | ||
84 | #define Bvarref 010 | |
85 | #define Bvarset 020 | |
86 | #define Bvarbind 030 | |
87 | #define Bcall 040 | |
88 | #define Bunbind 050 | |
89 | ||
90 | #define Bnth 070 | |
91 | #define Bsymbolp 071 | |
92 | #define Bconsp 072 | |
93 | #define Bstringp 073 | |
94 | #define Blistp 074 | |
95 | #define Beq 075 | |
96 | #define Bmemq 076 | |
97 | #define Bnot 077 | |
98 | #define Bcar 0100 | |
99 | #define Bcdr 0101 | |
100 | #define Bcons 0102 | |
101 | #define Blist1 0103 | |
102 | #define Blist2 0104 | |
103 | #define Blist3 0105 | |
104 | #define Blist4 0106 | |
105 | #define Blength 0107 | |
106 | #define Baref 0110 | |
107 | #define Baset 0111 | |
108 | #define Bsymbol_value 0112 | |
63639d44 | 109 | #define Bsymbol_function 0113 |
36f7ba0a | 110 | #define Bset 0114 |
63639d44 | 111 | #define Bfset 0115 |
36f7ba0a JB |
112 | #define Bget 0116 |
113 | #define Bsubstring 0117 | |
114 | #define Bconcat2 0120 | |
115 | #define Bconcat3 0121 | |
116 | #define Bconcat4 0122 | |
117 | #define Bsub1 0123 | |
118 | #define Badd1 0124 | |
119 | #define Beqlsign 0125 | |
120 | #define Bgtr 0126 | |
121 | #define Blss 0127 | |
122 | #define Bleq 0130 | |
123 | #define Bgeq 0131 | |
124 | #define Bdiff 0132 | |
125 | #define Bnegate 0133 | |
126 | #define Bplus 0134 | |
127 | #define Bmax 0135 | |
128 | #define Bmin 0136 | |
129 | #define Bmult 0137 | |
130 | ||
131 | #define Bpoint 0140 | |
132 | #define Bmark 0141 /* no longer generated as of v18 */ | |
133 | #define Bgoto_char 0142 | |
134 | #define Binsert 0143 | |
135 | #define Bpoint_max 0144 | |
136 | #define Bpoint_min 0145 | |
137 | #define Bchar_after 0146 | |
138 | #define Bfollowing_char 0147 | |
139 | #define Bpreceding_char 0150 | |
140 | #define Bcurrent_column 0151 | |
141 | #define Bindent_to 0152 | |
142 | #define Bscan_buffer 0153 /* No longer generated as of v18 */ | |
143 | #define Beolp 0154 | |
144 | #define Beobp 0155 | |
145 | #define Bbolp 0156 | |
146 | #define Bbobp 0157 | |
147 | #define Bcurrent_buffer 0160 | |
148 | #define Bset_buffer 0161 | |
63639d44 | 149 | #define Bread_char 0162 /* No longer generated as of v19 */ |
36f7ba0a JB |
150 | #define Bset_mark 0163 /* this loser is no longer generated as of v18 */ |
151 | #define Binteractive_p 0164 /* Needed since interactive-p takes unevalled args */ | |
152 | ||
153 | #define Bforward_char 0165 | |
154 | #define Bforward_word 0166 | |
155 | #define Bskip_chars_forward 0167 | |
156 | #define Bskip_chars_backward 0170 | |
157 | #define Bforward_line 0171 | |
158 | #define Bchar_syntax 0172 | |
159 | #define Bbuffer_substring 0173 | |
160 | #define Bdelete_region 0174 | |
161 | #define Bnarrow_to_region 0175 | |
162 | #define Bwiden 0176 | |
63639d44 | 163 | #define Bend_of_line 0177 |
36f7ba0a JB |
164 | |
165 | #define Bconstant2 0201 | |
166 | #define Bgoto 0202 | |
167 | #define Bgotoifnil 0203 | |
168 | #define Bgotoifnonnil 0204 | |
169 | #define Bgotoifnilelsepop 0205 | |
170 | #define Bgotoifnonnilelsepop 0206 | |
171 | #define Breturn 0207 | |
172 | #define Bdiscard 0210 | |
173 | #define Bdup 0211 | |
174 | ||
175 | #define Bsave_excursion 0212 | |
176 | #define Bsave_window_excursion 0213 | |
177 | #define Bsave_restriction 0214 | |
178 | #define Bcatch 0215 | |
179 | ||
180 | #define Bunwind_protect 0216 | |
181 | #define Bcondition_case 0217 | |
182 | #define Btemp_output_buffer_setup 0220 | |
183 | #define Btemp_output_buffer_show 0221 | |
184 | ||
185 | #define Bunbind_all 0222 | |
186 | ||
63639d44 JB |
187 | #define Bset_marker 0223 |
188 | #define Bmatch_beginning 0224 | |
189 | #define Bmatch_end 0225 | |
190 | #define Bupcase 0226 | |
191 | #define Bdowncase 0227 | |
192 | ||
36f7ba0a JB |
193 | #define Bstringeqlsign 0230 |
194 | #define Bstringlss 0231 | |
195 | #define Bequal 0232 | |
196 | #define Bnthcdr 0233 | |
197 | #define Belt 0234 | |
198 | #define Bmember 0235 | |
199 | #define Bassq 0236 | |
200 | #define Bnreverse 0237 | |
201 | #define Bsetcar 0240 | |
202 | #define Bsetcdr 0241 | |
203 | #define Bcar_safe 0242 | |
204 | #define Bcdr_safe 0243 | |
205 | #define Bnconc 0244 | |
206 | #define Bquo 0245 | |
207 | #define Brem 0246 | |
208 | #define Bnumberp 0247 | |
209 | #define Bintegerp 0250 | |
210 | ||
63639d44 JB |
211 | #define BRgoto 0252 |
212 | #define BRgotoifnil 0253 | |
213 | #define BRgotoifnonnil 0254 | |
214 | #define BRgotoifnilelsepop 0255 | |
215 | #define BRgotoifnonnilelsepop 0256 | |
216 | ||
217 | #define BlistN 0257 | |
218 | #define BconcatN 0260 | |
219 | #define BinsertN 0261 | |
220 | ||
36f7ba0a JB |
221 | #define Bconstant 0300 |
222 | #define CONSTANTLIM 0100 | |
223 | \f | |
224 | /* Fetch the next byte from the bytecode stream */ | |
225 | ||
226 | #define FETCH *pc++ | |
227 | ||
228 | /* Fetch two bytes from the bytecode stream | |
229 | and make a 16-bit number out of them */ | |
230 | ||
231 | #define FETCH2 (op = FETCH, op + (FETCH << 8)) | |
232 | ||
233 | /* Push x onto the execution stack. */ | |
234 | ||
235 | /* This used to be #define PUSH(x) (*++stackp = (x)) | |
236 | This oddity is necessary because Alliant can't be bothered to | |
237 | compile the preincrement operator properly, as of 4/91. -JimB */ | |
238 | #define PUSH(x) (stackp++, *stackp = (x)) | |
239 | ||
240 | /* Pop a value off the execution stack. */ | |
241 | ||
242 | #define POP (*stackp--) | |
243 | ||
244 | /* Discard n values from the execution stack. */ | |
245 | ||
246 | #define DISCARD(n) (stackp -= (n)) | |
247 | ||
248 | /* Get the value which is at the top of the execution stack, but don't pop it. */ | |
249 | ||
250 | #define TOP (*stackp) | |
251 | ||
252 | DEFUN ("byte-code", Fbyte_code, Sbyte_code, 3, 3, 0, | |
253 | "Function used internally in byte-compiled code.\n\ | |
254 | The first argument is a string of byte code; the second, a vector of constants;\n\ | |
255 | the third, the maximum stack depth used in this function.\n\ | |
256 | If the third argument is incorrect, Emacs may crash.") | |
257 | (bytestr, vector, maxdepth) | |
258 | Lisp_Object bytestr, vector, maxdepth; | |
259 | { | |
260 | struct gcpro gcpro1, gcpro2, gcpro3; | |
261 | int count = specpdl_ptr - specpdl; | |
262 | #ifdef BYTE_CODE_METER | |
263 | int this_op = 0; | |
264 | int prev_op; | |
265 | #endif | |
266 | register int op; | |
267 | unsigned char *pc; | |
268 | Lisp_Object *stack; | |
269 | register Lisp_Object *stackp; | |
270 | Lisp_Object *stacke; | |
271 | register Lisp_Object v1, v2; | |
272 | register Lisp_Object *vectorp = XVECTOR (vector)->contents; | |
273 | #ifdef BYTE_CODE_SAFE | |
274 | register int const_length = XVECTOR (vector)->size; | |
275 | #endif | |
276 | /* Copy of BYTESTR, saved so we can tell if BYTESTR was relocated. */ | |
277 | Lisp_Object string_saved; | |
278 | /* Cached address of beginning of string, | |
279 | valid if BYTESTR equals STRING_SAVED. */ | |
280 | register unsigned char *strbeg; | |
281 | ||
282 | CHECK_STRING (bytestr, 0); | |
617bd3f6 | 283 | if (!VECTORP (vector)) |
36f7ba0a JB |
284 | vector = wrong_type_argument (Qvectorp, vector); |
285 | CHECK_NUMBER (maxdepth, 2); | |
286 | ||
287 | stackp = (Lisp_Object *) alloca (XFASTINT (maxdepth) * sizeof (Lisp_Object)); | |
288 | bzero (stackp, XFASTINT (maxdepth) * sizeof (Lisp_Object)); | |
289 | GCPRO3 (bytestr, vector, *stackp); | |
290 | gcpro3.nvars = XFASTINT (maxdepth); | |
291 | ||
292 | --stackp; | |
293 | stack = stackp; | |
294 | stacke = stackp + XFASTINT (maxdepth); | |
295 | ||
296 | /* Initialize the saved pc-pointer for fetching from the string. */ | |
297 | string_saved = bytestr; | |
298 | pc = XSTRING (string_saved)->data; | |
299 | ||
300 | while (1) | |
301 | { | |
302 | #ifdef BYTE_CODE_SAFE | |
303 | if (stackp > stacke) | |
63639d44 | 304 | error ("Byte code stack overflow (byte compiler bug), pc %d, depth %d", |
36f7ba0a JB |
305 | pc - XSTRING (string_saved)->data, stacke - stackp); |
306 | if (stackp < stack) | |
63639d44 | 307 | error ("Byte code stack underflow (byte compiler bug), pc %d", |
36f7ba0a JB |
308 | pc - XSTRING (string_saved)->data); |
309 | #endif | |
310 | ||
3b1f62f3 | 311 | if (! EQ (string_saved, bytestr)) |
36f7ba0a JB |
312 | { |
313 | pc = pc - XSTRING (string_saved)->data + XSTRING (bytestr)->data; | |
314 | string_saved = bytestr; | |
315 | } | |
316 | ||
317 | #ifdef BYTE_CODE_METER | |
318 | prev_op = this_op; | |
319 | this_op = op = FETCH; | |
320 | METER_CODE (prev_op, op); | |
321 | switch (op) | |
322 | #else | |
323 | switch (op = FETCH) | |
324 | #endif | |
325 | { | |
326 | case Bvarref+6: | |
327 | op = FETCH; | |
328 | goto varref; | |
329 | ||
330 | case Bvarref+7: | |
331 | op = FETCH2; | |
332 | goto varref; | |
333 | ||
334 | case Bvarref: case Bvarref+1: case Bvarref+2: case Bvarref+3: | |
335 | case Bvarref+4: case Bvarref+5: | |
336 | op = op - Bvarref; | |
337 | varref: | |
338 | v1 = vectorp[op]; | |
617bd3f6 | 339 | if (!SYMBOLP (v1)) |
36f7ba0a JB |
340 | v2 = Fsymbol_value (v1); |
341 | else | |
342 | { | |
343 | v2 = XSYMBOL (v1)->value; | |
677ad7fe KH |
344 | if (MISCP (v2) || EQ (v2, Qunbound)) |
345 | v2 = Fsymbol_value (v1); | |
36f7ba0a JB |
346 | } |
347 | PUSH (v2); | |
348 | break; | |
349 | ||
350 | case Bvarset+6: | |
351 | op = FETCH; | |
352 | goto varset; | |
353 | ||
354 | case Bvarset+7: | |
355 | op = FETCH2; | |
356 | goto varset; | |
357 | ||
358 | case Bvarset: case Bvarset+1: case Bvarset+2: case Bvarset+3: | |
359 | case Bvarset+4: case Bvarset+5: | |
360 | op -= Bvarset; | |
361 | varset: | |
362 | Fset (vectorp[op], POP); | |
363 | break; | |
364 | ||
365 | case Bvarbind+6: | |
366 | op = FETCH; | |
367 | goto varbind; | |
368 | ||
369 | case Bvarbind+7: | |
370 | op = FETCH2; | |
371 | goto varbind; | |
372 | ||
373 | case Bvarbind: case Bvarbind+1: case Bvarbind+2: case Bvarbind+3: | |
374 | case Bvarbind+4: case Bvarbind+5: | |
375 | op -= Bvarbind; | |
376 | varbind: | |
377 | specbind (vectorp[op], POP); | |
378 | break; | |
379 | ||
380 | case Bcall+6: | |
381 | op = FETCH; | |
382 | goto docall; | |
383 | ||
384 | case Bcall+7: | |
385 | op = FETCH2; | |
386 | goto docall; | |
387 | ||
388 | case Bcall: case Bcall+1: case Bcall+2: case Bcall+3: | |
389 | case Bcall+4: case Bcall+5: | |
390 | op -= Bcall; | |
391 | docall: | |
63639d44 JB |
392 | DISCARD (op); |
393 | #ifdef BYTE_CODE_METER | |
617bd3f6 | 394 | if (byte_metering_on && SYMBOLP (TOP)) |
63639d44 JB |
395 | { |
396 | v1 = TOP; | |
397 | v2 = Fget (v1, Qbyte_code_meter); | |
617bd3f6 | 398 | if (INTEGERP (v2) |
63639d44 JB |
399 | && XINT (v2) != ((1<<VALBITS)-1)) |
400 | { | |
401 | XSETINT (v2, XINT (v2) + 1); | |
402 | Fput (v1, Qbyte_code_meter, v2); | |
403 | } | |
404 | } | |
405 | #endif | |
36f7ba0a JB |
406 | TOP = Ffuncall (op + 1, &TOP); |
407 | break; | |
408 | ||
409 | case Bunbind+6: | |
410 | op = FETCH; | |
411 | goto dounbind; | |
412 | ||
413 | case Bunbind+7: | |
414 | op = FETCH2; | |
415 | goto dounbind; | |
416 | ||
417 | case Bunbind: case Bunbind+1: case Bunbind+2: case Bunbind+3: | |
418 | case Bunbind+4: case Bunbind+5: | |
419 | op -= Bunbind; | |
420 | dounbind: | |
421 | unbind_to (specpdl_ptr - specpdl - op, Qnil); | |
422 | break; | |
423 | ||
424 | case Bunbind_all: | |
425 | /* To unbind back to the beginning of this frame. Not used yet, | |
63639d44 | 426 | but will be needed for tail-recursion elimination. */ |
36f7ba0a JB |
427 | unbind_to (count, Qnil); |
428 | break; | |
429 | ||
430 | case Bgoto: | |
431 | QUIT; | |
432 | op = FETCH2; /* pc = FETCH2 loses since FETCH2 contains pc++ */ | |
433 | pc = XSTRING (string_saved)->data + op; | |
434 | break; | |
435 | ||
436 | case Bgotoifnil: | |
437 | op = FETCH2; | |
921a8935 | 438 | if (NILP (POP)) |
36f7ba0a JB |
439 | { |
440 | QUIT; | |
441 | pc = XSTRING (string_saved)->data + op; | |
442 | } | |
443 | break; | |
444 | ||
445 | case Bgotoifnonnil: | |
446 | op = FETCH2; | |
921a8935 | 447 | if (!NILP (POP)) |
36f7ba0a JB |
448 | { |
449 | QUIT; | |
450 | pc = XSTRING (string_saved)->data + op; | |
451 | } | |
452 | break; | |
453 | ||
454 | case Bgotoifnilelsepop: | |
455 | op = FETCH2; | |
921a8935 | 456 | if (NILP (TOP)) |
36f7ba0a JB |
457 | { |
458 | QUIT; | |
459 | pc = XSTRING (string_saved)->data + op; | |
460 | } | |
63639d44 | 461 | else DISCARD (1); |
36f7ba0a JB |
462 | break; |
463 | ||
464 | case Bgotoifnonnilelsepop: | |
465 | op = FETCH2; | |
921a8935 | 466 | if (!NILP (TOP)) |
36f7ba0a JB |
467 | { |
468 | QUIT; | |
469 | pc = XSTRING (string_saved)->data + op; | |
470 | } | |
63639d44 JB |
471 | else DISCARD (1); |
472 | break; | |
473 | ||
474 | case BRgoto: | |
475 | QUIT; | |
476 | pc += *pc - 127; | |
477 | break; | |
478 | ||
479 | case BRgotoifnil: | |
480 | if (NILP (POP)) | |
481 | { | |
482 | QUIT; | |
483 | pc += *pc - 128; | |
484 | } | |
485 | pc++; | |
486 | break; | |
487 | ||
488 | case BRgotoifnonnil: | |
489 | if (!NILP (POP)) | |
490 | { | |
491 | QUIT; | |
492 | pc += *pc - 128; | |
493 | } | |
494 | pc++; | |
495 | break; | |
496 | ||
497 | case BRgotoifnilelsepop: | |
498 | op = *pc++; | |
499 | if (NILP (TOP)) | |
500 | { | |
501 | QUIT; | |
502 | pc += op - 128; | |
503 | } | |
504 | else DISCARD (1); | |
505 | break; | |
506 | ||
507 | case BRgotoifnonnilelsepop: | |
508 | op = *pc++; | |
509 | if (!NILP (TOP)) | |
510 | { | |
511 | QUIT; | |
512 | pc += op - 128; | |
513 | } | |
514 | else DISCARD (1); | |
98bf0c8d JB |
515 | break; |
516 | ||
36f7ba0a JB |
517 | case Breturn: |
518 | v1 = POP; | |
519 | goto exit; | |
520 | ||
521 | case Bdiscard: | |
63639d44 | 522 | DISCARD (1); |
36f7ba0a JB |
523 | break; |
524 | ||
525 | case Bdup: | |
526 | v1 = TOP; | |
527 | PUSH (v1); | |
528 | break; | |
529 | ||
530 | case Bconstant2: | |
531 | PUSH (vectorp[FETCH2]); | |
532 | break; | |
533 | ||
534 | case Bsave_excursion: | |
535 | record_unwind_protect (save_excursion_restore, save_excursion_save ()); | |
536 | break; | |
537 | ||
538 | case Bsave_window_excursion: | |
539 | TOP = Fsave_window_excursion (TOP); | |
540 | break; | |
541 | ||
542 | case Bsave_restriction: | |
543 | record_unwind_protect (save_restriction_restore, save_restriction_save ()); | |
544 | break; | |
545 | ||
546 | case Bcatch: | |
547 | v1 = POP; | |
548 | TOP = internal_catch (TOP, Feval, v1); | |
549 | break; | |
550 | ||
551 | case Bunwind_protect: | |
552 | record_unwind_protect (0, POP); | |
553 | (specpdl_ptr - 1)->symbol = Qnil; | |
554 | break; | |
555 | ||
556 | case Bcondition_case: | |
557 | v1 = POP; | |
558 | v1 = Fcons (POP, v1); | |
559 | TOP = Fcondition_case (Fcons (TOP, v1)); | |
560 | break; | |
561 | ||
562 | case Btemp_output_buffer_setup: | |
563 | temp_output_buffer_setup (XSTRING (TOP)->data); | |
564 | TOP = Vstandard_output; | |
565 | break; | |
566 | ||
567 | case Btemp_output_buffer_show: | |
568 | v1 = POP; | |
f054132a | 569 | temp_output_buffer_show (TOP); |
36f7ba0a JB |
570 | TOP = v1; |
571 | /* pop binding of standard-output */ | |
572 | unbind_to (specpdl_ptr - specpdl - 1, Qnil); | |
573 | break; | |
574 | ||
575 | case Bnth: | |
576 | v1 = POP; | |
577 | v2 = TOP; | |
578 | nth_entry: | |
579 | CHECK_NUMBER (v2, 0); | |
580 | op = XINT (v2); | |
581 | immediate_quit = 1; | |
582 | while (--op >= 0) | |
583 | { | |
584 | if (CONSP (v1)) | |
585 | v1 = XCONS (v1)->cdr; | |
921a8935 | 586 | else if (!NILP (v1)) |
36f7ba0a JB |
587 | { |
588 | immediate_quit = 0; | |
589 | v1 = wrong_type_argument (Qlistp, v1); | |
590 | immediate_quit = 1; | |
591 | op++; | |
592 | } | |
593 | } | |
594 | immediate_quit = 0; | |
595 | goto docar; | |
596 | ||
597 | case Bsymbolp: | |
617bd3f6 | 598 | TOP = SYMBOLP (TOP) ? Qt : Qnil; |
36f7ba0a JB |
599 | break; |
600 | ||
601 | case Bconsp: | |
602 | TOP = CONSP (TOP) ? Qt : Qnil; | |
603 | break; | |
604 | ||
605 | case Bstringp: | |
617bd3f6 | 606 | TOP = STRINGP (TOP) ? Qt : Qnil; |
36f7ba0a JB |
607 | break; |
608 | ||
609 | case Blistp: | |
921a8935 | 610 | TOP = CONSP (TOP) || NILP (TOP) ? Qt : Qnil; |
36f7ba0a JB |
611 | break; |
612 | ||
613 | case Beq: | |
614 | v1 = POP; | |
615 | TOP = EQ (v1, TOP) ? Qt : Qnil; | |
616 | break; | |
617 | ||
618 | case Bmemq: | |
619 | v1 = POP; | |
620 | TOP = Fmemq (TOP, v1); | |
621 | break; | |
622 | ||
623 | case Bnot: | |
921a8935 | 624 | TOP = NILP (TOP) ? Qt : Qnil; |
36f7ba0a JB |
625 | break; |
626 | ||
627 | case Bcar: | |
628 | v1 = TOP; | |
629 | docar: | |
630 | if (CONSP (v1)) TOP = XCONS (v1)->car; | |
921a8935 | 631 | else if (NILP (v1)) TOP = Qnil; |
36f7ba0a JB |
632 | else Fcar (wrong_type_argument (Qlistp, v1)); |
633 | break; | |
634 | ||
635 | case Bcdr: | |
636 | v1 = TOP; | |
637 | if (CONSP (v1)) TOP = XCONS (v1)->cdr; | |
921a8935 | 638 | else if (NILP (v1)) TOP = Qnil; |
36f7ba0a JB |
639 | else Fcdr (wrong_type_argument (Qlistp, v1)); |
640 | break; | |
641 | ||
642 | case Bcons: | |
643 | v1 = POP; | |
644 | TOP = Fcons (TOP, v1); | |
645 | break; | |
646 | ||
647 | case Blist1: | |
648 | TOP = Fcons (TOP, Qnil); | |
649 | break; | |
650 | ||
651 | case Blist2: | |
652 | v1 = POP; | |
653 | TOP = Fcons (TOP, Fcons (v1, Qnil)); | |
654 | break; | |
655 | ||
656 | case Blist3: | |
63639d44 | 657 | DISCARD (2); |
36f7ba0a JB |
658 | TOP = Flist (3, &TOP); |
659 | break; | |
660 | ||
661 | case Blist4: | |
63639d44 | 662 | DISCARD (3); |
36f7ba0a JB |
663 | TOP = Flist (4, &TOP); |
664 | break; | |
665 | ||
63639d44 JB |
666 | case BlistN: |
667 | op = FETCH; | |
668 | DISCARD (op - 1); | |
669 | TOP = Flist (op, &TOP); | |
670 | break; | |
671 | ||
36f7ba0a JB |
672 | case Blength: |
673 | TOP = Flength (TOP); | |
674 | break; | |
675 | ||
676 | case Baref: | |
677 | v1 = POP; | |
678 | TOP = Faref (TOP, v1); | |
679 | break; | |
680 | ||
681 | case Baset: | |
682 | v2 = POP; v1 = POP; | |
683 | TOP = Faset (TOP, v1, v2); | |
684 | break; | |
685 | ||
686 | case Bsymbol_value: | |
687 | TOP = Fsymbol_value (TOP); | |
688 | break; | |
689 | ||
690 | case Bsymbol_function: | |
691 | TOP = Fsymbol_function (TOP); | |
692 | break; | |
693 | ||
694 | case Bset: | |
695 | v1 = POP; | |
696 | TOP = Fset (TOP, v1); | |
697 | break; | |
698 | ||
699 | case Bfset: | |
700 | v1 = POP; | |
701 | TOP = Ffset (TOP, v1); | |
702 | break; | |
703 | ||
704 | case Bget: | |
705 | v1 = POP; | |
706 | TOP = Fget (TOP, v1); | |
707 | break; | |
708 | ||
709 | case Bsubstring: | |
710 | v2 = POP; v1 = POP; | |
711 | TOP = Fsubstring (TOP, v1, v2); | |
712 | break; | |
713 | ||
714 | case Bconcat2: | |
63639d44 | 715 | DISCARD (1); |
36f7ba0a JB |
716 | TOP = Fconcat (2, &TOP); |
717 | break; | |
718 | ||
719 | case Bconcat3: | |
63639d44 | 720 | DISCARD (2); |
36f7ba0a JB |
721 | TOP = Fconcat (3, &TOP); |
722 | break; | |
723 | ||
724 | case Bconcat4: | |
63639d44 | 725 | DISCARD (3); |
36f7ba0a JB |
726 | TOP = Fconcat (4, &TOP); |
727 | break; | |
728 | ||
63639d44 JB |
729 | case BconcatN: |
730 | op = FETCH; | |
731 | DISCARD (op - 1); | |
732 | TOP = Fconcat (op, &TOP); | |
733 | break; | |
734 | ||
36f7ba0a JB |
735 | case Bsub1: |
736 | v1 = TOP; | |
617bd3f6 | 737 | if (INTEGERP (v1)) |
36f7ba0a JB |
738 | { |
739 | XSETINT (v1, XINT (v1) - 1); | |
740 | TOP = v1; | |
741 | } | |
742 | else | |
743 | TOP = Fsub1 (v1); | |
744 | break; | |
745 | ||
746 | case Badd1: | |
747 | v1 = TOP; | |
617bd3f6 | 748 | if (INTEGERP (v1)) |
36f7ba0a JB |
749 | { |
750 | XSETINT (v1, XINT (v1) + 1); | |
751 | TOP = v1; | |
752 | } | |
753 | else | |
754 | TOP = Fadd1 (v1); | |
755 | break; | |
756 | ||
757 | case Beqlsign: | |
758 | v2 = POP; v1 = TOP; | |
759 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (v1, 0); | |
760 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (v2, 0); | |
761 | TOP = (XFLOATINT (v1) == XFLOATINT (v2)) ? Qt : Qnil; | |
762 | break; | |
763 | ||
764 | case Bgtr: | |
765 | v1 = POP; | |
766 | TOP = Fgtr (TOP, v1); | |
767 | break; | |
768 | ||
769 | case Blss: | |
770 | v1 = POP; | |
771 | TOP = Flss (TOP, v1); | |
772 | break; | |
773 | ||
774 | case Bleq: | |
775 | v1 = POP; | |
776 | TOP = Fleq (TOP, v1); | |
777 | break; | |
778 | ||
779 | case Bgeq: | |
780 | v1 = POP; | |
781 | TOP = Fgeq (TOP, v1); | |
782 | break; | |
783 | ||
784 | case Bdiff: | |
63639d44 | 785 | DISCARD (1); |
36f7ba0a JB |
786 | TOP = Fminus (2, &TOP); |
787 | break; | |
788 | ||
789 | case Bnegate: | |
790 | v1 = TOP; | |
617bd3f6 | 791 | if (INTEGERP (v1)) |
36f7ba0a JB |
792 | { |
793 | XSETINT (v1, - XINT (v1)); | |
794 | TOP = v1; | |
795 | } | |
796 | else | |
797 | TOP = Fminus (1, &TOP); | |
798 | break; | |
799 | ||
800 | case Bplus: | |
63639d44 | 801 | DISCARD (1); |
36f7ba0a JB |
802 | TOP = Fplus (2, &TOP); |
803 | break; | |
804 | ||
805 | case Bmax: | |
63639d44 | 806 | DISCARD (1); |
36f7ba0a JB |
807 | TOP = Fmax (2, &TOP); |
808 | break; | |
809 | ||
810 | case Bmin: | |
63639d44 | 811 | DISCARD (1); |
36f7ba0a JB |
812 | TOP = Fmin (2, &TOP); |
813 | break; | |
814 | ||
815 | case Bmult: | |
63639d44 | 816 | DISCARD (1); |
36f7ba0a JB |
817 | TOP = Ftimes (2, &TOP); |
818 | break; | |
819 | ||
820 | case Bquo: | |
63639d44 | 821 | DISCARD (1); |
36f7ba0a JB |
822 | TOP = Fquo (2, &TOP); |
823 | break; | |
824 | ||
825 | case Brem: | |
826 | v1 = POP; | |
36f7ba0a JB |
827 | TOP = Frem (TOP, v1); |
828 | break; | |
829 | ||
830 | case Bpoint: | |
117360cb | 831 | XSETFASTINT (v1, point); |
36f7ba0a JB |
832 | PUSH (v1); |
833 | break; | |
834 | ||
835 | case Bgoto_char: | |
836 | TOP = Fgoto_char (TOP); | |
837 | break; | |
838 | ||
839 | case Binsert: | |
840 | TOP = Finsert (1, &TOP); | |
841 | break; | |
842 | ||
63639d44 JB |
843 | case BinsertN: |
844 | op = FETCH; | |
845 | DISCARD (op - 1); | |
846 | TOP = Finsert (op, &TOP); | |
847 | break; | |
848 | ||
36f7ba0a | 849 | case Bpoint_max: |
117360cb | 850 | XSETFASTINT (v1, ZV); |
36f7ba0a JB |
851 | PUSH (v1); |
852 | break; | |
853 | ||
854 | case Bpoint_min: | |
117360cb | 855 | XSETFASTINT (v1, BEGV); |
36f7ba0a JB |
856 | PUSH (v1); |
857 | break; | |
858 | ||
859 | case Bchar_after: | |
860 | TOP = Fchar_after (TOP); | |
861 | break; | |
862 | ||
863 | case Bfollowing_char: | |
af09cb43 | 864 | v1 = Ffollowing_char (); |
36f7ba0a JB |
865 | PUSH (v1); |
866 | break; | |
867 | ||
868 | case Bpreceding_char: | |
af09cb43 | 869 | v1 = Fprevious_char (); |
36f7ba0a JB |
870 | PUSH (v1); |
871 | break; | |
872 | ||
873 | case Bcurrent_column: | |
117360cb | 874 | XSETFASTINT (v1, current_column ()); |
36f7ba0a JB |
875 | PUSH (v1); |
876 | break; | |
877 | ||
878 | case Bindent_to: | |
879 | TOP = Findent_to (TOP, Qnil); | |
880 | break; | |
881 | ||
882 | case Beolp: | |
883 | PUSH (Feolp ()); | |
884 | break; | |
885 | ||
886 | case Beobp: | |
887 | PUSH (Feobp ()); | |
888 | break; | |
889 | ||
890 | case Bbolp: | |
891 | PUSH (Fbolp ()); | |
892 | break; | |
893 | ||
894 | case Bbobp: | |
895 | PUSH (Fbobp ()); | |
896 | break; | |
897 | ||
898 | case Bcurrent_buffer: | |
899 | PUSH (Fcurrent_buffer ()); | |
900 | break; | |
901 | ||
902 | case Bset_buffer: | |
903 | TOP = Fset_buffer (TOP); | |
904 | break; | |
905 | ||
906 | case Bread_char: | |
907 | PUSH (Fread_char ()); | |
908 | QUIT; | |
909 | break; | |
910 | ||
911 | case Binteractive_p: | |
912 | PUSH (Finteractive_p ()); | |
913 | break; | |
914 | ||
915 | case Bforward_char: | |
36f7ba0a JB |
916 | TOP = Fforward_char (TOP); |
917 | break; | |
918 | ||
919 | case Bforward_word: | |
36f7ba0a JB |
920 | TOP = Fforward_word (TOP); |
921 | break; | |
922 | ||
923 | case Bskip_chars_forward: | |
36f7ba0a JB |
924 | v1 = POP; |
925 | TOP = Fskip_chars_forward (TOP, v1); | |
926 | break; | |
927 | ||
928 | case Bskip_chars_backward: | |
36f7ba0a JB |
929 | v1 = POP; |
930 | TOP = Fskip_chars_backward (TOP, v1); | |
931 | break; | |
932 | ||
933 | case Bforward_line: | |
36f7ba0a JB |
934 | TOP = Fforward_line (TOP); |
935 | break; | |
936 | ||
937 | case Bchar_syntax: | |
938 | CHECK_NUMBER (TOP, 0); | |
117360cb | 939 | XSETFASTINT (TOP, |
af09cb43 | 940 | syntax_code_spec[(int) SYNTAX (XINT (TOP))]); |
36f7ba0a JB |
941 | break; |
942 | ||
943 | case Bbuffer_substring: | |
944 | v1 = POP; | |
945 | TOP = Fbuffer_substring (TOP, v1); | |
946 | break; | |
947 | ||
948 | case Bdelete_region: | |
949 | v1 = POP; | |
36f7ba0a JB |
950 | TOP = Fdelete_region (TOP, v1); |
951 | break; | |
952 | ||
953 | case Bnarrow_to_region: | |
954 | v1 = POP; | |
36f7ba0a JB |
955 | TOP = Fnarrow_to_region (TOP, v1); |
956 | break; | |
957 | ||
958 | case Bwiden: | |
959 | PUSH (Fwiden ()); | |
960 | break; | |
961 | ||
63639d44 JB |
962 | case Bend_of_line: |
963 | TOP = Fend_of_line (TOP); | |
964 | break; | |
965 | ||
966 | case Bset_marker: | |
967 | v1 = POP; | |
968 | v2 = POP; | |
969 | TOP = Fset_marker (TOP, v2, v1); | |
970 | break; | |
971 | ||
972 | case Bmatch_beginning: | |
973 | TOP = Fmatch_beginning (TOP); | |
974 | break; | |
975 | ||
976 | case Bmatch_end: | |
977 | TOP = Fmatch_end (TOP); | |
978 | break; | |
979 | ||
980 | case Bupcase: | |
981 | TOP = Fupcase (TOP); | |
982 | break; | |
983 | ||
984 | case Bdowncase: | |
985 | TOP = Fdowncase (TOP); | |
986 | break; | |
987 | ||
36f7ba0a JB |
988 | case Bstringeqlsign: |
989 | v1 = POP; | |
36f7ba0a JB |
990 | TOP = Fstring_equal (TOP, v1); |
991 | break; | |
992 | ||
993 | case Bstringlss: | |
994 | v1 = POP; | |
36f7ba0a JB |
995 | TOP = Fstring_lessp (TOP, v1); |
996 | break; | |
997 | ||
998 | case Bequal: | |
999 | v1 = POP; | |
36f7ba0a JB |
1000 | TOP = Fequal (TOP, v1); |
1001 | break; | |
1002 | ||
1003 | case Bnthcdr: | |
1004 | v1 = POP; | |
36f7ba0a JB |
1005 | TOP = Fnthcdr (TOP, v1); |
1006 | break; | |
1007 | ||
1008 | case Belt: | |
617bd3f6 | 1009 | if (CONSP (TOP)) |
36f7ba0a JB |
1010 | { |
1011 | /* Exchange args and then do nth. */ | |
1012 | v2 = POP; | |
1013 | v1 = TOP; | |
1014 | goto nth_entry; | |
1015 | } | |
1016 | v1 = POP; | |
1017 | TOP = Felt (TOP, v1); | |
1018 | break; | |
1019 | ||
1020 | case Bmember: | |
1021 | v1 = POP; | |
36f7ba0a JB |
1022 | TOP = Fmember (TOP, v1); |
1023 | break; | |
1024 | ||
1025 | case Bassq: | |
1026 | v1 = POP; | |
36f7ba0a JB |
1027 | TOP = Fassq (TOP, v1); |
1028 | break; | |
1029 | ||
1030 | case Bnreverse: | |
1031 | TOP = Fnreverse (TOP); | |
1032 | break; | |
1033 | ||
1034 | case Bsetcar: | |
1035 | v1 = POP; | |
36f7ba0a JB |
1036 | TOP = Fsetcar (TOP, v1); |
1037 | break; | |
1038 | ||
1039 | case Bsetcdr: | |
1040 | v1 = POP; | |
36f7ba0a JB |
1041 | TOP = Fsetcdr (TOP, v1); |
1042 | break; | |
1043 | ||
1044 | case Bcar_safe: | |
1045 | v1 = TOP; | |
617bd3f6 | 1046 | if (CONSP (v1)) |
36f7ba0a JB |
1047 | TOP = XCONS (v1)->car; |
1048 | else | |
1049 | TOP = Qnil; | |
1050 | break; | |
1051 | ||
1052 | case Bcdr_safe: | |
1053 | v1 = TOP; | |
617bd3f6 | 1054 | if (CONSP (v1)) |
36f7ba0a JB |
1055 | TOP = XCONS (v1)->cdr; |
1056 | else | |
1057 | TOP = Qnil; | |
1058 | break; | |
1059 | ||
1060 | case Bnconc: | |
63639d44 | 1061 | DISCARD (1); |
36f7ba0a JB |
1062 | TOP = Fnconc (2, &TOP); |
1063 | break; | |
1064 | ||
1065 | case Bnumberp: | |
63639d44 | 1066 | TOP = (NUMBERP (TOP) ? Qt : Qnil); |
36f7ba0a JB |
1067 | break; |
1068 | ||
1069 | case Bintegerp: | |
617bd3f6 | 1070 | TOP = INTEGERP (TOP) ? Qt : Qnil; |
36f7ba0a JB |
1071 | break; |
1072 | ||
1073 | #ifdef BYTE_CODE_SAFE | |
1074 | case Bset_mark: | |
1075 | error ("set-mark is an obsolete bytecode"); | |
1076 | break; | |
1077 | case Bscan_buffer: | |
1078 | error ("scan-buffer is an obsolete bytecode"); | |
1079 | break; | |
1080 | case Bmark: | |
63639d44 | 1081 | error ("mark is an obsolete bytecode"); |
36f7ba0a JB |
1082 | break; |
1083 | #endif | |
1084 | ||
1085 | default: | |
1086 | #ifdef BYTE_CODE_SAFE | |
1087 | if (op < Bconstant) | |
1088 | error ("unknown bytecode %d (byte compiler bug)", op); | |
1089 | if ((op -= Bconstant) >= const_length) | |
1090 | error ("no constant number %d (byte compiler bug)", op); | |
1091 | PUSH (vectorp[op]); | |
1092 | #else | |
1093 | PUSH (vectorp[op - Bconstant]); | |
1094 | #endif | |
1095 | } | |
1096 | } | |
1097 | ||
1098 | exit: | |
1099 | UNGCPRO; | |
1100 | /* Binds and unbinds are supposed to be compiled balanced. */ | |
1101 | if (specpdl_ptr - specpdl != count) | |
1102 | #ifdef BYTE_CODE_SAFE | |
1103 | error ("binding stack not balanced (serious byte compiler bug)"); | |
1104 | #else | |
1105 | abort (); | |
1106 | #endif | |
1107 | return v1; | |
1108 | } | |
1109 | ||
1110 | syms_of_bytecode () | |
1111 | { | |
1112 | Qbytecode = intern ("byte-code"); | |
1113 | staticpro (&Qbytecode); | |
1114 | ||
1115 | defsubr (&Sbyte_code); | |
1116 | ||
1117 | #ifdef BYTE_CODE_METER | |
1118 | ||
1119 | DEFVAR_LISP ("byte-code-meter", &Vbyte_code_meter, | |
63639d44 JB |
1120 | "A vector of vectors which holds a histogram of byte-code usage.\n\ |
1121 | (aref (aref byte-code-meter 0) CODE) indicates how many times the byte\n\ | |
1122 | opcode CODE has been executed.\n\ | |
1123 | (aref (aref byte-code-meter CODE1) CODE2), where CODE1 is not 0,\n\ | |
1124 | indicates how many times the byte opcodes CODE1 and CODE2 have been\n\ | |
1125 | executed in succession."); | |
1126 | DEFVAR_BOOL ("byte-metering-on", &byte_metering_on, | |
1127 | "If non-nil, keep profiling information on byte code usage.\n\ | |
1128 | The variable byte-code-meter indicates how often each byte opcode is used.\n\ | |
1129 | If a symbol has a property named `byte-code-meter' whose value is an\n\ | |
1130 | integer, it is incremented each time that symbol's function is called."); | |
36f7ba0a JB |
1131 | |
1132 | byte_metering_on = 0; | |
63639d44 JB |
1133 | Vbyte_code_meter = Fmake_vector (make_number (256), make_number (0)); |
1134 | Qbyte_code_meter = intern ("byte-code-meter"); | |
1135 | staticpro (&Qbyte_code_meter); | |
36f7ba0a JB |
1136 | { |
1137 | int i = 256; | |
1138 | while (i--) | |
63639d44 JB |
1139 | XVECTOR (Vbyte_code_meter)->contents[i] = |
1140 | Fmake_vector (make_number (256), make_number (0)); | |
36f7ba0a JB |
1141 | } |
1142 | #endif | |
1143 | } |