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 | |
3b7ad313 EN |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. | |
36f7ba0a | 20 | |
63639d44 | 21 | hacked on by jwz@lucid.com 17-jun-91 |
36f7ba0a JB |
22 | o added a compile-time switch to turn on simple sanity checking; |
23 | o put back the obsolete byte-codes for error-detection; | |
36f7ba0a JB |
24 | o added a new instruction, unbind_all, which I will use for |
25 | tail-recursion elimination; | |
63639d44 | 26 | o made temp_output_buffer_show be called with the right number |
36f7ba0a JB |
27 | of args; |
28 | o made the new bytecodes be called with args in the right order; | |
29 | o added metering support. | |
30 | ||
31 | by Hallvard: | |
3ffbe76b | 32 | o added relative jump instructions; |
36f7ba0a JB |
33 | o all conditionals now only do QUIT if they jump. |
34 | */ | |
35 | ||
18160b98 | 36 | #include <config.h> |
36f7ba0a JB |
37 | #include "lisp.h" |
38 | #include "buffer.h" | |
39 | #include "syntax.h" | |
40 | ||
63639d44 JB |
41 | /* |
42 | * define BYTE_CODE_SAFE to enable some minor sanity checking (useful for | |
43 | * debugging the byte compiler...) | |
44 | * | |
45 | * define BYTE_CODE_METER to enable generation of a byte-op usage histogram. | |
36f7ba0a | 46 | */ |
63639d44 JB |
47 | /* #define BYTE_CODE_SAFE */ |
48 | /* #define BYTE_CODE_METER */ | |
36f7ba0a JB |
49 | |
50 | \f | |
51 | #ifdef BYTE_CODE_METER | |
52 | ||
63639d44 | 53 | Lisp_Object Vbyte_code_meter, Qbyte_code_meter; |
36f7ba0a JB |
54 | int byte_metering_on; |
55 | ||
63639d44 | 56 | #define METER_2(code1, code2) \ |
36f7ba0a JB |
57 | XFASTINT (XVECTOR (XVECTOR (Vbyte_code_meter)->contents[(code1)]) \ |
58 | ->contents[(code2)]) | |
59 | ||
63639d44 JB |
60 | #define METER_1(code) METER_2 (0, (code)) |
61 | ||
62 | #define METER_CODE(last_code, this_code) \ | |
63 | { \ | |
64 | if (byte_metering_on) \ | |
65 | { \ | |
66 | if (METER_1 (this_code) != ((1<<VALBITS)-1)) \ | |
67 | METER_1 (this_code)++; \ | |
68 | if (last_code \ | |
69 | && METER_2 (last_code, this_code) != ((1<<VALBITS)-1))\ | |
70 | METER_2 (last_code, this_code)++; \ | |
71 | } \ | |
72 | } | |
36f7ba0a | 73 | |
63639d44 | 74 | #else /* no BYTE_CODE_METER */ |
36f7ba0a | 75 | |
63639d44 | 76 | #define METER_CODE(last_code, this_code) |
044512ed | 77 | |
63639d44 | 78 | #endif /* no BYTE_CODE_METER */ |
36f7ba0a JB |
79 | \f |
80 | ||
81 | Lisp_Object Qbytecode; | |
82 | ||
83 | /* Byte codes: */ | |
84 | ||
85 | #define Bvarref 010 | |
86 | #define Bvarset 020 | |
87 | #define Bvarbind 030 | |
88 | #define Bcall 040 | |
89 | #define Bunbind 050 | |
90 | ||
91 | #define Bnth 070 | |
92 | #define Bsymbolp 071 | |
93 | #define Bconsp 072 | |
94 | #define Bstringp 073 | |
95 | #define Blistp 074 | |
96 | #define Beq 075 | |
97 | #define Bmemq 076 | |
98 | #define Bnot 077 | |
99 | #define Bcar 0100 | |
100 | #define Bcdr 0101 | |
101 | #define Bcons 0102 | |
102 | #define Blist1 0103 | |
103 | #define Blist2 0104 | |
104 | #define Blist3 0105 | |
105 | #define Blist4 0106 | |
106 | #define Blength 0107 | |
107 | #define Baref 0110 | |
108 | #define Baset 0111 | |
109 | #define Bsymbol_value 0112 | |
63639d44 | 110 | #define Bsymbol_function 0113 |
36f7ba0a | 111 | #define Bset 0114 |
63639d44 | 112 | #define Bfset 0115 |
36f7ba0a JB |
113 | #define Bget 0116 |
114 | #define Bsubstring 0117 | |
115 | #define Bconcat2 0120 | |
116 | #define Bconcat3 0121 | |
117 | #define Bconcat4 0122 | |
118 | #define Bsub1 0123 | |
119 | #define Badd1 0124 | |
120 | #define Beqlsign 0125 | |
121 | #define Bgtr 0126 | |
122 | #define Blss 0127 | |
123 | #define Bleq 0130 | |
124 | #define Bgeq 0131 | |
125 | #define Bdiff 0132 | |
126 | #define Bnegate 0133 | |
127 | #define Bplus 0134 | |
128 | #define Bmax 0135 | |
129 | #define Bmin 0136 | |
130 | #define Bmult 0137 | |
131 | ||
132 | #define Bpoint 0140 | |
3b841abc RS |
133 | /* Was Bmark in v17. */ |
134 | #define Bsave_current_buffer 0141 | |
36f7ba0a JB |
135 | #define Bgoto_char 0142 |
136 | #define Binsert 0143 | |
137 | #define Bpoint_max 0144 | |
138 | #define Bpoint_min 0145 | |
139 | #define Bchar_after 0146 | |
140 | #define Bfollowing_char 0147 | |
141 | #define Bpreceding_char 0150 | |
142 | #define Bcurrent_column 0151 | |
143 | #define Bindent_to 0152 | |
144 | #define Bscan_buffer 0153 /* No longer generated as of v18 */ | |
145 | #define Beolp 0154 | |
146 | #define Beobp 0155 | |
147 | #define Bbolp 0156 | |
148 | #define Bbobp 0157 | |
149 | #define Bcurrent_buffer 0160 | |
150 | #define Bset_buffer 0161 | |
63639d44 | 151 | #define Bread_char 0162 /* No longer generated as of v19 */ |
36f7ba0a JB |
152 | #define Bset_mark 0163 /* this loser is no longer generated as of v18 */ |
153 | #define Binteractive_p 0164 /* Needed since interactive-p takes unevalled args */ | |
154 | ||
155 | #define Bforward_char 0165 | |
156 | #define Bforward_word 0166 | |
157 | #define Bskip_chars_forward 0167 | |
158 | #define Bskip_chars_backward 0170 | |
159 | #define Bforward_line 0171 | |
160 | #define Bchar_syntax 0172 | |
161 | #define Bbuffer_substring 0173 | |
162 | #define Bdelete_region 0174 | |
163 | #define Bnarrow_to_region 0175 | |
164 | #define Bwiden 0176 | |
63639d44 | 165 | #define Bend_of_line 0177 |
36f7ba0a JB |
166 | |
167 | #define Bconstant2 0201 | |
168 | #define Bgoto 0202 | |
169 | #define Bgotoifnil 0203 | |
170 | #define Bgotoifnonnil 0204 | |
171 | #define Bgotoifnilelsepop 0205 | |
172 | #define Bgotoifnonnilelsepop 0206 | |
173 | #define Breturn 0207 | |
174 | #define Bdiscard 0210 | |
175 | #define Bdup 0211 | |
176 | ||
177 | #define Bsave_excursion 0212 | |
178 | #define Bsave_window_excursion 0213 | |
179 | #define Bsave_restriction 0214 | |
180 | #define Bcatch 0215 | |
181 | ||
182 | #define Bunwind_protect 0216 | |
183 | #define Bcondition_case 0217 | |
184 | #define Btemp_output_buffer_setup 0220 | |
185 | #define Btemp_output_buffer_show 0221 | |
186 | ||
187 | #define Bunbind_all 0222 | |
188 | ||
63639d44 JB |
189 | #define Bset_marker 0223 |
190 | #define Bmatch_beginning 0224 | |
191 | #define Bmatch_end 0225 | |
192 | #define Bupcase 0226 | |
193 | #define Bdowncase 0227 | |
194 | ||
36f7ba0a JB |
195 | #define Bstringeqlsign 0230 |
196 | #define Bstringlss 0231 | |
197 | #define Bequal 0232 | |
198 | #define Bnthcdr 0233 | |
199 | #define Belt 0234 | |
200 | #define Bmember 0235 | |
201 | #define Bassq 0236 | |
202 | #define Bnreverse 0237 | |
203 | #define Bsetcar 0240 | |
204 | #define Bsetcdr 0241 | |
205 | #define Bcar_safe 0242 | |
206 | #define Bcdr_safe 0243 | |
207 | #define Bnconc 0244 | |
208 | #define Bquo 0245 | |
209 | #define Brem 0246 | |
210 | #define Bnumberp 0247 | |
211 | #define Bintegerp 0250 | |
212 | ||
63639d44 JB |
213 | #define BRgoto 0252 |
214 | #define BRgotoifnil 0253 | |
215 | #define BRgotoifnonnil 0254 | |
216 | #define BRgotoifnilelsepop 0255 | |
217 | #define BRgotoifnonnilelsepop 0256 | |
218 | ||
219 | #define BlistN 0257 | |
220 | #define BconcatN 0260 | |
221 | #define BinsertN 0261 | |
222 | ||
36f7ba0a JB |
223 | #define Bconstant 0300 |
224 | #define CONSTANTLIM 0100 | |
225 | \f | |
226 | /* Fetch the next byte from the bytecode stream */ | |
227 | ||
228 | #define FETCH *pc++ | |
229 | ||
230 | /* Fetch two bytes from the bytecode stream | |
231 | and make a 16-bit number out of them */ | |
232 | ||
233 | #define FETCH2 (op = FETCH, op + (FETCH << 8)) | |
234 | ||
235 | /* Push x onto the execution stack. */ | |
236 | ||
237 | /* This used to be #define PUSH(x) (*++stackp = (x)) | |
238 | This oddity is necessary because Alliant can't be bothered to | |
239 | compile the preincrement operator properly, as of 4/91. -JimB */ | |
240 | #define PUSH(x) (stackp++, *stackp = (x)) | |
241 | ||
242 | /* Pop a value off the execution stack. */ | |
243 | ||
244 | #define POP (*stackp--) | |
245 | ||
246 | /* Discard n values from the execution stack. */ | |
247 | ||
248 | #define DISCARD(n) (stackp -= (n)) | |
249 | ||
250 | /* Get the value which is at the top of the execution stack, but don't pop it. */ | |
251 | ||
252 | #define TOP (*stackp) | |
253 | ||
254 | DEFUN ("byte-code", Fbyte_code, Sbyte_code, 3, 3, 0, | |
255 | "Function used internally in byte-compiled code.\n\ | |
1c579228 EN |
256 | The first argument, BYTESTR, is a string of byte code;\n\ |
257 | the second, VECTOR, a vector of constants;\n\ | |
258 | the third, MAXDEPTH, the maximum stack depth used in this function.\n\ | |
36f7ba0a JB |
259 | If the third argument is incorrect, Emacs may crash.") |
260 | (bytestr, vector, maxdepth) | |
261 | Lisp_Object bytestr, vector, maxdepth; | |
262 | { | |
263 | struct gcpro gcpro1, gcpro2, gcpro3; | |
264 | int count = specpdl_ptr - specpdl; | |
265 | #ifdef BYTE_CODE_METER | |
266 | int this_op = 0; | |
267 | int prev_op; | |
268 | #endif | |
269 | register int op; | |
270 | unsigned char *pc; | |
271 | Lisp_Object *stack; | |
272 | register Lisp_Object *stackp; | |
273 | Lisp_Object *stacke; | |
274 | register Lisp_Object v1, v2; | |
275 | register Lisp_Object *vectorp = XVECTOR (vector)->contents; | |
276 | #ifdef BYTE_CODE_SAFE | |
277 | register int const_length = XVECTOR (vector)->size; | |
278 | #endif | |
279 | /* Copy of BYTESTR, saved so we can tell if BYTESTR was relocated. */ | |
280 | Lisp_Object string_saved; | |
281 | /* Cached address of beginning of string, | |
282 | valid if BYTESTR equals STRING_SAVED. */ | |
283 | register unsigned char *strbeg; | |
284 | ||
285 | CHECK_STRING (bytestr, 0); | |
617bd3f6 | 286 | if (!VECTORP (vector)) |
36f7ba0a JB |
287 | vector = wrong_type_argument (Qvectorp, vector); |
288 | CHECK_NUMBER (maxdepth, 2); | |
289 | ||
290 | stackp = (Lisp_Object *) alloca (XFASTINT (maxdepth) * sizeof (Lisp_Object)); | |
291 | bzero (stackp, XFASTINT (maxdepth) * sizeof (Lisp_Object)); | |
292 | GCPRO3 (bytestr, vector, *stackp); | |
293 | gcpro3.nvars = XFASTINT (maxdepth); | |
294 | ||
295 | --stackp; | |
296 | stack = stackp; | |
297 | stacke = stackp + XFASTINT (maxdepth); | |
298 | ||
299 | /* Initialize the saved pc-pointer for fetching from the string. */ | |
300 | string_saved = bytestr; | |
301 | pc = XSTRING (string_saved)->data; | |
302 | ||
303 | while (1) | |
304 | { | |
305 | #ifdef BYTE_CODE_SAFE | |
306 | if (stackp > stacke) | |
63639d44 | 307 | error ("Byte code stack overflow (byte compiler bug), pc %d, depth %d", |
36f7ba0a JB |
308 | pc - XSTRING (string_saved)->data, stacke - stackp); |
309 | if (stackp < stack) | |
63639d44 | 310 | error ("Byte code stack underflow (byte compiler bug), pc %d", |
36f7ba0a JB |
311 | pc - XSTRING (string_saved)->data); |
312 | #endif | |
313 | ||
3b1f62f3 | 314 | if (! EQ (string_saved, bytestr)) |
36f7ba0a JB |
315 | { |
316 | pc = pc - XSTRING (string_saved)->data + XSTRING (bytestr)->data; | |
317 | string_saved = bytestr; | |
318 | } | |
319 | ||
320 | #ifdef BYTE_CODE_METER | |
321 | prev_op = this_op; | |
322 | this_op = op = FETCH; | |
323 | METER_CODE (prev_op, op); | |
324 | switch (op) | |
325 | #else | |
326 | switch (op = FETCH) | |
327 | #endif | |
328 | { | |
329 | case Bvarref+6: | |
330 | op = FETCH; | |
331 | goto varref; | |
332 | ||
333 | case Bvarref+7: | |
334 | op = FETCH2; | |
335 | goto varref; | |
336 | ||
337 | case Bvarref: case Bvarref+1: case Bvarref+2: case Bvarref+3: | |
338 | case Bvarref+4: case Bvarref+5: | |
339 | op = op - Bvarref; | |
340 | varref: | |
341 | v1 = vectorp[op]; | |
617bd3f6 | 342 | if (!SYMBOLP (v1)) |
36f7ba0a JB |
343 | v2 = Fsymbol_value (v1); |
344 | else | |
345 | { | |
346 | v2 = XSYMBOL (v1)->value; | |
677ad7fe KH |
347 | if (MISCP (v2) || EQ (v2, Qunbound)) |
348 | v2 = Fsymbol_value (v1); | |
36f7ba0a JB |
349 | } |
350 | PUSH (v2); | |
351 | break; | |
352 | ||
353 | case Bvarset+6: | |
354 | op = FETCH; | |
355 | goto varset; | |
356 | ||
357 | case Bvarset+7: | |
358 | op = FETCH2; | |
359 | goto varset; | |
360 | ||
361 | case Bvarset: case Bvarset+1: case Bvarset+2: case Bvarset+3: | |
362 | case Bvarset+4: case Bvarset+5: | |
363 | op -= Bvarset; | |
364 | varset: | |
365 | Fset (vectorp[op], POP); | |
366 | break; | |
367 | ||
368 | case Bvarbind+6: | |
369 | op = FETCH; | |
370 | goto varbind; | |
371 | ||
372 | case Bvarbind+7: | |
373 | op = FETCH2; | |
374 | goto varbind; | |
375 | ||
376 | case Bvarbind: case Bvarbind+1: case Bvarbind+2: case Bvarbind+3: | |
377 | case Bvarbind+4: case Bvarbind+5: | |
378 | op -= Bvarbind; | |
379 | varbind: | |
380 | specbind (vectorp[op], POP); | |
381 | break; | |
382 | ||
383 | case Bcall+6: | |
384 | op = FETCH; | |
385 | goto docall; | |
386 | ||
387 | case Bcall+7: | |
388 | op = FETCH2; | |
389 | goto docall; | |
390 | ||
391 | case Bcall: case Bcall+1: case Bcall+2: case Bcall+3: | |
392 | case Bcall+4: case Bcall+5: | |
393 | op -= Bcall; | |
394 | docall: | |
63639d44 JB |
395 | DISCARD (op); |
396 | #ifdef BYTE_CODE_METER | |
617bd3f6 | 397 | if (byte_metering_on && SYMBOLP (TOP)) |
63639d44 JB |
398 | { |
399 | v1 = TOP; | |
400 | v2 = Fget (v1, Qbyte_code_meter); | |
617bd3f6 | 401 | if (INTEGERP (v2) |
63639d44 JB |
402 | && XINT (v2) != ((1<<VALBITS)-1)) |
403 | { | |
404 | XSETINT (v2, XINT (v2) + 1); | |
405 | Fput (v1, Qbyte_code_meter, v2); | |
406 | } | |
407 | } | |
408 | #endif | |
36f7ba0a JB |
409 | TOP = Ffuncall (op + 1, &TOP); |
410 | break; | |
411 | ||
412 | case Bunbind+6: | |
413 | op = FETCH; | |
414 | goto dounbind; | |
415 | ||
416 | case Bunbind+7: | |
417 | op = FETCH2; | |
418 | goto dounbind; | |
419 | ||
420 | case Bunbind: case Bunbind+1: case Bunbind+2: case Bunbind+3: | |
421 | case Bunbind+4: case Bunbind+5: | |
422 | op -= Bunbind; | |
423 | dounbind: | |
424 | unbind_to (specpdl_ptr - specpdl - op, Qnil); | |
425 | break; | |
426 | ||
427 | case Bunbind_all: | |
428 | /* To unbind back to the beginning of this frame. Not used yet, | |
63639d44 | 429 | but will be needed for tail-recursion elimination. */ |
36f7ba0a JB |
430 | unbind_to (count, Qnil); |
431 | break; | |
432 | ||
433 | case Bgoto: | |
434 | QUIT; | |
435 | op = FETCH2; /* pc = FETCH2 loses since FETCH2 contains pc++ */ | |
436 | pc = XSTRING (string_saved)->data + op; | |
437 | break; | |
438 | ||
439 | case Bgotoifnil: | |
440 | op = FETCH2; | |
921a8935 | 441 | if (NILP (POP)) |
36f7ba0a JB |
442 | { |
443 | QUIT; | |
444 | pc = XSTRING (string_saved)->data + op; | |
445 | } | |
446 | break; | |
447 | ||
448 | case Bgotoifnonnil: | |
449 | op = FETCH2; | |
921a8935 | 450 | if (!NILP (POP)) |
36f7ba0a JB |
451 | { |
452 | QUIT; | |
453 | pc = XSTRING (string_saved)->data + op; | |
454 | } | |
455 | break; | |
456 | ||
457 | case Bgotoifnilelsepop: | |
458 | op = FETCH2; | |
921a8935 | 459 | if (NILP (TOP)) |
36f7ba0a JB |
460 | { |
461 | QUIT; | |
462 | pc = XSTRING (string_saved)->data + op; | |
463 | } | |
63639d44 | 464 | else DISCARD (1); |
36f7ba0a JB |
465 | break; |
466 | ||
467 | case Bgotoifnonnilelsepop: | |
468 | op = FETCH2; | |
921a8935 | 469 | if (!NILP (TOP)) |
36f7ba0a JB |
470 | { |
471 | QUIT; | |
472 | pc = XSTRING (string_saved)->data + op; | |
473 | } | |
63639d44 JB |
474 | else DISCARD (1); |
475 | break; | |
476 | ||
477 | case BRgoto: | |
478 | QUIT; | |
eb086ca7 | 479 | pc += (int) *pc - 127; |
63639d44 JB |
480 | break; |
481 | ||
482 | case BRgotoifnil: | |
483 | if (NILP (POP)) | |
484 | { | |
485 | QUIT; | |
eb086ca7 | 486 | pc += (int) *pc - 128; |
63639d44 JB |
487 | } |
488 | pc++; | |
489 | break; | |
490 | ||
491 | case BRgotoifnonnil: | |
492 | if (!NILP (POP)) | |
493 | { | |
494 | QUIT; | |
eb086ca7 | 495 | pc += (int) *pc - 128; |
63639d44 JB |
496 | } |
497 | pc++; | |
498 | break; | |
499 | ||
500 | case BRgotoifnilelsepop: | |
501 | op = *pc++; | |
502 | if (NILP (TOP)) | |
503 | { | |
504 | QUIT; | |
505 | pc += op - 128; | |
506 | } | |
507 | else DISCARD (1); | |
508 | break; | |
509 | ||
510 | case BRgotoifnonnilelsepop: | |
511 | op = *pc++; | |
512 | if (!NILP (TOP)) | |
513 | { | |
514 | QUIT; | |
515 | pc += op - 128; | |
516 | } | |
517 | else DISCARD (1); | |
98bf0c8d JB |
518 | break; |
519 | ||
36f7ba0a JB |
520 | case Breturn: |
521 | v1 = POP; | |
522 | goto exit; | |
523 | ||
524 | case Bdiscard: | |
63639d44 | 525 | DISCARD (1); |
36f7ba0a JB |
526 | break; |
527 | ||
528 | case Bdup: | |
529 | v1 = TOP; | |
530 | PUSH (v1); | |
531 | break; | |
532 | ||
533 | case Bconstant2: | |
534 | PUSH (vectorp[FETCH2]); | |
535 | break; | |
536 | ||
537 | case Bsave_excursion: | |
538 | record_unwind_protect (save_excursion_restore, save_excursion_save ()); | |
539 | break; | |
540 | ||
3b841abc RS |
541 | case Bsave_current_buffer: |
542 | record_unwind_protect (Fset_buffer, Fcurrent_buffer ()); | |
543 | break; | |
544 | ||
36f7ba0a JB |
545 | case Bsave_window_excursion: |
546 | TOP = Fsave_window_excursion (TOP); | |
547 | break; | |
548 | ||
549 | case Bsave_restriction: | |
550 | record_unwind_protect (save_restriction_restore, save_restriction_save ()); | |
551 | break; | |
552 | ||
553 | case Bcatch: | |
554 | v1 = POP; | |
555 | TOP = internal_catch (TOP, Feval, v1); | |
556 | break; | |
557 | ||
558 | case Bunwind_protect: | |
559 | record_unwind_protect (0, POP); | |
560 | (specpdl_ptr - 1)->symbol = Qnil; | |
561 | break; | |
562 | ||
563 | case Bcondition_case: | |
564 | v1 = POP; | |
565 | v1 = Fcons (POP, v1); | |
566 | TOP = Fcondition_case (Fcons (TOP, v1)); | |
567 | break; | |
568 | ||
569 | case Btemp_output_buffer_setup: | |
570 | temp_output_buffer_setup (XSTRING (TOP)->data); | |
571 | TOP = Vstandard_output; | |
572 | break; | |
573 | ||
574 | case Btemp_output_buffer_show: | |
575 | v1 = POP; | |
f054132a | 576 | temp_output_buffer_show (TOP); |
36f7ba0a JB |
577 | TOP = v1; |
578 | /* pop binding of standard-output */ | |
579 | unbind_to (specpdl_ptr - specpdl - 1, Qnil); | |
580 | break; | |
581 | ||
582 | case Bnth: | |
583 | v1 = POP; | |
584 | v2 = TOP; | |
585 | nth_entry: | |
586 | CHECK_NUMBER (v2, 0); | |
587 | op = XINT (v2); | |
588 | immediate_quit = 1; | |
589 | while (--op >= 0) | |
590 | { | |
591 | if (CONSP (v1)) | |
592 | v1 = XCONS (v1)->cdr; | |
921a8935 | 593 | else if (!NILP (v1)) |
36f7ba0a JB |
594 | { |
595 | immediate_quit = 0; | |
596 | v1 = wrong_type_argument (Qlistp, v1); | |
597 | immediate_quit = 1; | |
598 | op++; | |
599 | } | |
600 | } | |
601 | immediate_quit = 0; | |
602 | goto docar; | |
603 | ||
604 | case Bsymbolp: | |
617bd3f6 | 605 | TOP = SYMBOLP (TOP) ? Qt : Qnil; |
36f7ba0a JB |
606 | break; |
607 | ||
608 | case Bconsp: | |
609 | TOP = CONSP (TOP) ? Qt : Qnil; | |
610 | break; | |
611 | ||
612 | case Bstringp: | |
617bd3f6 | 613 | TOP = STRINGP (TOP) ? Qt : Qnil; |
36f7ba0a JB |
614 | break; |
615 | ||
616 | case Blistp: | |
921a8935 | 617 | TOP = CONSP (TOP) || NILP (TOP) ? Qt : Qnil; |
36f7ba0a JB |
618 | break; |
619 | ||
620 | case Beq: | |
621 | v1 = POP; | |
622 | TOP = EQ (v1, TOP) ? Qt : Qnil; | |
623 | break; | |
624 | ||
625 | case Bmemq: | |
626 | v1 = POP; | |
627 | TOP = Fmemq (TOP, v1); | |
628 | break; | |
629 | ||
630 | case Bnot: | |
921a8935 | 631 | TOP = NILP (TOP) ? Qt : Qnil; |
36f7ba0a JB |
632 | break; |
633 | ||
634 | case Bcar: | |
635 | v1 = TOP; | |
636 | docar: | |
637 | if (CONSP (v1)) TOP = XCONS (v1)->car; | |
921a8935 | 638 | else if (NILP (v1)) TOP = Qnil; |
36f7ba0a JB |
639 | else Fcar (wrong_type_argument (Qlistp, v1)); |
640 | break; | |
641 | ||
642 | case Bcdr: | |
643 | v1 = TOP; | |
644 | if (CONSP (v1)) TOP = XCONS (v1)->cdr; | |
921a8935 | 645 | else if (NILP (v1)) TOP = Qnil; |
36f7ba0a JB |
646 | else Fcdr (wrong_type_argument (Qlistp, v1)); |
647 | break; | |
648 | ||
649 | case Bcons: | |
650 | v1 = POP; | |
651 | TOP = Fcons (TOP, v1); | |
652 | break; | |
653 | ||
654 | case Blist1: | |
655 | TOP = Fcons (TOP, Qnil); | |
656 | break; | |
657 | ||
658 | case Blist2: | |
659 | v1 = POP; | |
660 | TOP = Fcons (TOP, Fcons (v1, Qnil)); | |
661 | break; | |
662 | ||
663 | case Blist3: | |
63639d44 | 664 | DISCARD (2); |
36f7ba0a JB |
665 | TOP = Flist (3, &TOP); |
666 | break; | |
667 | ||
668 | case Blist4: | |
63639d44 | 669 | DISCARD (3); |
36f7ba0a JB |
670 | TOP = Flist (4, &TOP); |
671 | break; | |
672 | ||
63639d44 JB |
673 | case BlistN: |
674 | op = FETCH; | |
675 | DISCARD (op - 1); | |
676 | TOP = Flist (op, &TOP); | |
677 | break; | |
678 | ||
36f7ba0a JB |
679 | case Blength: |
680 | TOP = Flength (TOP); | |
681 | break; | |
682 | ||
683 | case Baref: | |
684 | v1 = POP; | |
685 | TOP = Faref (TOP, v1); | |
686 | break; | |
687 | ||
688 | case Baset: | |
689 | v2 = POP; v1 = POP; | |
690 | TOP = Faset (TOP, v1, v2); | |
691 | break; | |
692 | ||
693 | case Bsymbol_value: | |
694 | TOP = Fsymbol_value (TOP); | |
695 | break; | |
696 | ||
697 | case Bsymbol_function: | |
698 | TOP = Fsymbol_function (TOP); | |
699 | break; | |
700 | ||
701 | case Bset: | |
702 | v1 = POP; | |
703 | TOP = Fset (TOP, v1); | |
704 | break; | |
705 | ||
706 | case Bfset: | |
707 | v1 = POP; | |
708 | TOP = Ffset (TOP, v1); | |
709 | break; | |
710 | ||
711 | case Bget: | |
712 | v1 = POP; | |
713 | TOP = Fget (TOP, v1); | |
714 | break; | |
715 | ||
716 | case Bsubstring: | |
717 | v2 = POP; v1 = POP; | |
718 | TOP = Fsubstring (TOP, v1, v2); | |
719 | break; | |
720 | ||
721 | case Bconcat2: | |
63639d44 | 722 | DISCARD (1); |
36f7ba0a JB |
723 | TOP = Fconcat (2, &TOP); |
724 | break; | |
725 | ||
726 | case Bconcat3: | |
63639d44 | 727 | DISCARD (2); |
36f7ba0a JB |
728 | TOP = Fconcat (3, &TOP); |
729 | break; | |
730 | ||
731 | case Bconcat4: | |
63639d44 | 732 | DISCARD (3); |
36f7ba0a JB |
733 | TOP = Fconcat (4, &TOP); |
734 | break; | |
735 | ||
63639d44 JB |
736 | case BconcatN: |
737 | op = FETCH; | |
738 | DISCARD (op - 1); | |
739 | TOP = Fconcat (op, &TOP); | |
740 | break; | |
741 | ||
36f7ba0a JB |
742 | case Bsub1: |
743 | v1 = TOP; | |
617bd3f6 | 744 | if (INTEGERP (v1)) |
36f7ba0a JB |
745 | { |
746 | XSETINT (v1, XINT (v1) - 1); | |
747 | TOP = v1; | |
748 | } | |
749 | else | |
750 | TOP = Fsub1 (v1); | |
751 | break; | |
752 | ||
753 | case Badd1: | |
754 | v1 = TOP; | |
617bd3f6 | 755 | if (INTEGERP (v1)) |
36f7ba0a JB |
756 | { |
757 | XSETINT (v1, XINT (v1) + 1); | |
758 | TOP = v1; | |
759 | } | |
760 | else | |
761 | TOP = Fadd1 (v1); | |
762 | break; | |
763 | ||
764 | case Beqlsign: | |
765 | v2 = POP; v1 = TOP; | |
766 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (v1, 0); | |
767 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (v2, 0); | |
056c80f9 | 768 | #ifdef LISP_FLOAT_TYPE |
67c098ad | 769 | if (FLOATP (v1) || FLOATP (v2)) |
056c80f9 KH |
770 | { |
771 | double f1, f2; | |
772 | ||
773 | f1 = (FLOATP (v1) ? XFLOAT (v1)->data : XINT (v1)); | |
774 | f2 = (FLOATP (v2) ? XFLOAT (v2)->data : XINT (v2)); | |
775 | TOP = (f1 == f2 ? Qt : Qnil); | |
776 | } | |
777 | else | |
778 | #endif | |
26285784 | 779 | TOP = (XINT (v1) == XINT (v2) ? Qt : Qnil); |
36f7ba0a JB |
780 | break; |
781 | ||
782 | case Bgtr: | |
783 | v1 = POP; | |
784 | TOP = Fgtr (TOP, v1); | |
785 | break; | |
786 | ||
787 | case Blss: | |
788 | v1 = POP; | |
789 | TOP = Flss (TOP, v1); | |
790 | break; | |
791 | ||
792 | case Bleq: | |
793 | v1 = POP; | |
794 | TOP = Fleq (TOP, v1); | |
795 | break; | |
796 | ||
797 | case Bgeq: | |
798 | v1 = POP; | |
799 | TOP = Fgeq (TOP, v1); | |
800 | break; | |
801 | ||
802 | case Bdiff: | |
63639d44 | 803 | DISCARD (1); |
36f7ba0a JB |
804 | TOP = Fminus (2, &TOP); |
805 | break; | |
806 | ||
807 | case Bnegate: | |
808 | v1 = TOP; | |
617bd3f6 | 809 | if (INTEGERP (v1)) |
36f7ba0a JB |
810 | { |
811 | XSETINT (v1, - XINT (v1)); | |
812 | TOP = v1; | |
813 | } | |
814 | else | |
815 | TOP = Fminus (1, &TOP); | |
816 | break; | |
817 | ||
818 | case Bplus: | |
63639d44 | 819 | DISCARD (1); |
36f7ba0a JB |
820 | TOP = Fplus (2, &TOP); |
821 | break; | |
822 | ||
823 | case Bmax: | |
63639d44 | 824 | DISCARD (1); |
36f7ba0a JB |
825 | TOP = Fmax (2, &TOP); |
826 | break; | |
827 | ||
828 | case Bmin: | |
63639d44 | 829 | DISCARD (1); |
36f7ba0a JB |
830 | TOP = Fmin (2, &TOP); |
831 | break; | |
832 | ||
833 | case Bmult: | |
63639d44 | 834 | DISCARD (1); |
36f7ba0a JB |
835 | TOP = Ftimes (2, &TOP); |
836 | break; | |
837 | ||
838 | case Bquo: | |
63639d44 | 839 | DISCARD (1); |
36f7ba0a JB |
840 | TOP = Fquo (2, &TOP); |
841 | break; | |
842 | ||
843 | case Brem: | |
844 | v1 = POP; | |
36f7ba0a JB |
845 | TOP = Frem (TOP, v1); |
846 | break; | |
847 | ||
848 | case Bpoint: | |
6ec8bbd2 | 849 | XSETFASTINT (v1, PT); |
36f7ba0a JB |
850 | PUSH (v1); |
851 | break; | |
852 | ||
853 | case Bgoto_char: | |
854 | TOP = Fgoto_char (TOP); | |
855 | break; | |
856 | ||
857 | case Binsert: | |
858 | TOP = Finsert (1, &TOP); | |
859 | break; | |
860 | ||
63639d44 JB |
861 | case BinsertN: |
862 | op = FETCH; | |
863 | DISCARD (op - 1); | |
864 | TOP = Finsert (op, &TOP); | |
865 | break; | |
866 | ||
36f7ba0a | 867 | case Bpoint_max: |
117360cb | 868 | XSETFASTINT (v1, ZV); |
36f7ba0a JB |
869 | PUSH (v1); |
870 | break; | |
871 | ||
872 | case Bpoint_min: | |
117360cb | 873 | XSETFASTINT (v1, BEGV); |
36f7ba0a JB |
874 | PUSH (v1); |
875 | break; | |
876 | ||
877 | case Bchar_after: | |
878 | TOP = Fchar_after (TOP); | |
879 | break; | |
880 | ||
881 | case Bfollowing_char: | |
af09cb43 | 882 | v1 = Ffollowing_char (); |
36f7ba0a JB |
883 | PUSH (v1); |
884 | break; | |
885 | ||
886 | case Bpreceding_char: | |
af09cb43 | 887 | v1 = Fprevious_char (); |
36f7ba0a JB |
888 | PUSH (v1); |
889 | break; | |
890 | ||
891 | case Bcurrent_column: | |
117360cb | 892 | XSETFASTINT (v1, current_column ()); |
36f7ba0a JB |
893 | PUSH (v1); |
894 | break; | |
895 | ||
896 | case Bindent_to: | |
897 | TOP = Findent_to (TOP, Qnil); | |
898 | break; | |
899 | ||
900 | case Beolp: | |
901 | PUSH (Feolp ()); | |
902 | break; | |
903 | ||
904 | case Beobp: | |
905 | PUSH (Feobp ()); | |
906 | break; | |
907 | ||
908 | case Bbolp: | |
909 | PUSH (Fbolp ()); | |
910 | break; | |
911 | ||
912 | case Bbobp: | |
913 | PUSH (Fbobp ()); | |
914 | break; | |
915 | ||
916 | case Bcurrent_buffer: | |
917 | PUSH (Fcurrent_buffer ()); | |
918 | break; | |
919 | ||
920 | case Bset_buffer: | |
921 | TOP = Fset_buffer (TOP); | |
922 | break; | |
923 | ||
924 | case Bread_char: | |
925 | PUSH (Fread_char ()); | |
926 | QUIT; | |
927 | break; | |
928 | ||
929 | case Binteractive_p: | |
930 | PUSH (Finteractive_p ()); | |
931 | break; | |
932 | ||
933 | case Bforward_char: | |
36f7ba0a JB |
934 | TOP = Fforward_char (TOP); |
935 | break; | |
936 | ||
937 | case Bforward_word: | |
36f7ba0a JB |
938 | TOP = Fforward_word (TOP); |
939 | break; | |
940 | ||
941 | case Bskip_chars_forward: | |
36f7ba0a JB |
942 | v1 = POP; |
943 | TOP = Fskip_chars_forward (TOP, v1); | |
944 | break; | |
945 | ||
946 | case Bskip_chars_backward: | |
36f7ba0a JB |
947 | v1 = POP; |
948 | TOP = Fskip_chars_backward (TOP, v1); | |
949 | break; | |
950 | ||
951 | case Bforward_line: | |
36f7ba0a JB |
952 | TOP = Fforward_line (TOP); |
953 | break; | |
954 | ||
955 | case Bchar_syntax: | |
956 | CHECK_NUMBER (TOP, 0); | |
117360cb | 957 | XSETFASTINT (TOP, |
af09cb43 | 958 | syntax_code_spec[(int) SYNTAX (XINT (TOP))]); |
36f7ba0a JB |
959 | break; |
960 | ||
961 | case Bbuffer_substring: | |
962 | v1 = POP; | |
963 | TOP = Fbuffer_substring (TOP, v1); | |
964 | break; | |
965 | ||
966 | case Bdelete_region: | |
967 | v1 = POP; | |
36f7ba0a JB |
968 | TOP = Fdelete_region (TOP, v1); |
969 | break; | |
970 | ||
971 | case Bnarrow_to_region: | |
972 | v1 = POP; | |
36f7ba0a JB |
973 | TOP = Fnarrow_to_region (TOP, v1); |
974 | break; | |
975 | ||
976 | case Bwiden: | |
977 | PUSH (Fwiden ()); | |
978 | break; | |
979 | ||
63639d44 JB |
980 | case Bend_of_line: |
981 | TOP = Fend_of_line (TOP); | |
982 | break; | |
983 | ||
984 | case Bset_marker: | |
985 | v1 = POP; | |
986 | v2 = POP; | |
987 | TOP = Fset_marker (TOP, v2, v1); | |
988 | break; | |
989 | ||
990 | case Bmatch_beginning: | |
991 | TOP = Fmatch_beginning (TOP); | |
992 | break; | |
993 | ||
994 | case Bmatch_end: | |
995 | TOP = Fmatch_end (TOP); | |
996 | break; | |
997 | ||
998 | case Bupcase: | |
999 | TOP = Fupcase (TOP); | |
1000 | break; | |
1001 | ||
1002 | case Bdowncase: | |
1003 | TOP = Fdowncase (TOP); | |
1004 | break; | |
1005 | ||
36f7ba0a JB |
1006 | case Bstringeqlsign: |
1007 | v1 = POP; | |
36f7ba0a JB |
1008 | TOP = Fstring_equal (TOP, v1); |
1009 | break; | |
1010 | ||
1011 | case Bstringlss: | |
1012 | v1 = POP; | |
36f7ba0a JB |
1013 | TOP = Fstring_lessp (TOP, v1); |
1014 | break; | |
1015 | ||
1016 | case Bequal: | |
1017 | v1 = POP; | |
36f7ba0a JB |
1018 | TOP = Fequal (TOP, v1); |
1019 | break; | |
1020 | ||
1021 | case Bnthcdr: | |
1022 | v1 = POP; | |
36f7ba0a JB |
1023 | TOP = Fnthcdr (TOP, v1); |
1024 | break; | |
1025 | ||
1026 | case Belt: | |
617bd3f6 | 1027 | if (CONSP (TOP)) |
36f7ba0a JB |
1028 | { |
1029 | /* Exchange args and then do nth. */ | |
1030 | v2 = POP; | |
1031 | v1 = TOP; | |
1032 | goto nth_entry; | |
1033 | } | |
1034 | v1 = POP; | |
1035 | TOP = Felt (TOP, v1); | |
1036 | break; | |
1037 | ||
1038 | case Bmember: | |
1039 | v1 = POP; | |
36f7ba0a JB |
1040 | TOP = Fmember (TOP, v1); |
1041 | break; | |
1042 | ||
1043 | case Bassq: | |
1044 | v1 = POP; | |
36f7ba0a JB |
1045 | TOP = Fassq (TOP, v1); |
1046 | break; | |
1047 | ||
1048 | case Bnreverse: | |
1049 | TOP = Fnreverse (TOP); | |
1050 | break; | |
1051 | ||
1052 | case Bsetcar: | |
1053 | v1 = POP; | |
36f7ba0a JB |
1054 | TOP = Fsetcar (TOP, v1); |
1055 | break; | |
1056 | ||
1057 | case Bsetcdr: | |
1058 | v1 = POP; | |
36f7ba0a JB |
1059 | TOP = Fsetcdr (TOP, v1); |
1060 | break; | |
1061 | ||
1062 | case Bcar_safe: | |
1063 | v1 = TOP; | |
617bd3f6 | 1064 | if (CONSP (v1)) |
36f7ba0a JB |
1065 | TOP = XCONS (v1)->car; |
1066 | else | |
1067 | TOP = Qnil; | |
1068 | break; | |
1069 | ||
1070 | case Bcdr_safe: | |
1071 | v1 = TOP; | |
617bd3f6 | 1072 | if (CONSP (v1)) |
36f7ba0a JB |
1073 | TOP = XCONS (v1)->cdr; |
1074 | else | |
1075 | TOP = Qnil; | |
1076 | break; | |
1077 | ||
1078 | case Bnconc: | |
63639d44 | 1079 | DISCARD (1); |
36f7ba0a JB |
1080 | TOP = Fnconc (2, &TOP); |
1081 | break; | |
1082 | ||
1083 | case Bnumberp: | |
63639d44 | 1084 | TOP = (NUMBERP (TOP) ? Qt : Qnil); |
36f7ba0a JB |
1085 | break; |
1086 | ||
1087 | case Bintegerp: | |
617bd3f6 | 1088 | TOP = INTEGERP (TOP) ? Qt : Qnil; |
36f7ba0a JB |
1089 | break; |
1090 | ||
1091 | #ifdef BYTE_CODE_SAFE | |
1092 | case Bset_mark: | |
1093 | error ("set-mark is an obsolete bytecode"); | |
1094 | break; | |
1095 | case Bscan_buffer: | |
1096 | error ("scan-buffer is an obsolete bytecode"); | |
1097 | break; | |
1098 | case Bmark: | |
63639d44 | 1099 | error ("mark is an obsolete bytecode"); |
36f7ba0a JB |
1100 | break; |
1101 | #endif | |
1102 | ||
1103 | default: | |
1104 | #ifdef BYTE_CODE_SAFE | |
1105 | if (op < Bconstant) | |
1106 | error ("unknown bytecode %d (byte compiler bug)", op); | |
1107 | if ((op -= Bconstant) >= const_length) | |
1108 | error ("no constant number %d (byte compiler bug)", op); | |
1109 | PUSH (vectorp[op]); | |
1110 | #else | |
1111 | PUSH (vectorp[op - Bconstant]); | |
1112 | #endif | |
1113 | } | |
1114 | } | |
1115 | ||
1116 | exit: | |
1117 | UNGCPRO; | |
1118 | /* Binds and unbinds are supposed to be compiled balanced. */ | |
1119 | if (specpdl_ptr - specpdl != count) | |
1120 | #ifdef BYTE_CODE_SAFE | |
1121 | error ("binding stack not balanced (serious byte compiler bug)"); | |
1122 | #else | |
1123 | abort (); | |
1124 | #endif | |
1125 | return v1; | |
1126 | } | |
1127 | ||
1128 | syms_of_bytecode () | |
1129 | { | |
1130 | Qbytecode = intern ("byte-code"); | |
1131 | staticpro (&Qbytecode); | |
1132 | ||
1133 | defsubr (&Sbyte_code); | |
1134 | ||
1135 | #ifdef BYTE_CODE_METER | |
1136 | ||
1137 | DEFVAR_LISP ("byte-code-meter", &Vbyte_code_meter, | |
63639d44 JB |
1138 | "A vector of vectors which holds a histogram of byte-code usage.\n\ |
1139 | (aref (aref byte-code-meter 0) CODE) indicates how many times the byte\n\ | |
1140 | opcode CODE has been executed.\n\ | |
1141 | (aref (aref byte-code-meter CODE1) CODE2), where CODE1 is not 0,\n\ | |
1142 | indicates how many times the byte opcodes CODE1 and CODE2 have been\n\ | |
1143 | executed in succession."); | |
1144 | DEFVAR_BOOL ("byte-metering-on", &byte_metering_on, | |
1145 | "If non-nil, keep profiling information on byte code usage.\n\ | |
1146 | The variable byte-code-meter indicates how often each byte opcode is used.\n\ | |
1147 | If a symbol has a property named `byte-code-meter' whose value is an\n\ | |
1148 | integer, it is incremented each time that symbol's function is called."); | |
36f7ba0a JB |
1149 | |
1150 | byte_metering_on = 0; | |
63639d44 JB |
1151 | Vbyte_code_meter = Fmake_vector (make_number (256), make_number (0)); |
1152 | Qbyte_code_meter = intern ("byte-code-meter"); | |
1153 | staticpro (&Qbyte_code_meter); | |
36f7ba0a JB |
1154 | { |
1155 | int i = 256; | |
1156 | while (i--) | |
63639d44 JB |
1157 | XVECTOR (Vbyte_code_meter)->contents[i] = |
1158 | Fmake_vector (make_number (256), make_number (0)); | |
36f7ba0a JB |
1159 | } |
1160 | #endif | |
1161 | } |