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 | ||
14726871 RS |
254 | /* Garbage collect if we have consed enough since the last time. |
255 | We do this at every branch, to avoid loops that never GC. */ | |
256 | ||
257 | #define MAYBE_GC() \ | |
258 | if (consing_since_gc > gc_cons_threshold) \ | |
259 | Fgarbage_collect (); | |
260 | ||
36f7ba0a JB |
261 | DEFUN ("byte-code", Fbyte_code, Sbyte_code, 3, 3, 0, |
262 | "Function used internally in byte-compiled code.\n\ | |
1c579228 EN |
263 | The first argument, BYTESTR, is a string of byte code;\n\ |
264 | the second, VECTOR, a vector of constants;\n\ | |
265 | the third, MAXDEPTH, the maximum stack depth used in this function.\n\ | |
36f7ba0a JB |
266 | If the third argument is incorrect, Emacs may crash.") |
267 | (bytestr, vector, maxdepth) | |
268 | Lisp_Object bytestr, vector, maxdepth; | |
269 | { | |
270 | struct gcpro gcpro1, gcpro2, gcpro3; | |
271 | int count = specpdl_ptr - specpdl; | |
272 | #ifdef BYTE_CODE_METER | |
273 | int this_op = 0; | |
274 | int prev_op; | |
275 | #endif | |
276 | register int op; | |
277 | unsigned char *pc; | |
278 | Lisp_Object *stack; | |
279 | register Lisp_Object *stackp; | |
280 | Lisp_Object *stacke; | |
281 | register Lisp_Object v1, v2; | |
282 | register Lisp_Object *vectorp = XVECTOR (vector)->contents; | |
283 | #ifdef BYTE_CODE_SAFE | |
284 | register int const_length = XVECTOR (vector)->size; | |
285 | #endif | |
286 | /* Copy of BYTESTR, saved so we can tell if BYTESTR was relocated. */ | |
287 | Lisp_Object string_saved; | |
288 | /* Cached address of beginning of string, | |
289 | valid if BYTESTR equals STRING_SAVED. */ | |
290 | register unsigned char *strbeg; | |
291 | ||
292 | CHECK_STRING (bytestr, 0); | |
617bd3f6 | 293 | if (!VECTORP (vector)) |
36f7ba0a JB |
294 | vector = wrong_type_argument (Qvectorp, vector); |
295 | CHECK_NUMBER (maxdepth, 2); | |
296 | ||
297 | stackp = (Lisp_Object *) alloca (XFASTINT (maxdepth) * sizeof (Lisp_Object)); | |
298 | bzero (stackp, XFASTINT (maxdepth) * sizeof (Lisp_Object)); | |
299 | GCPRO3 (bytestr, vector, *stackp); | |
300 | gcpro3.nvars = XFASTINT (maxdepth); | |
301 | ||
302 | --stackp; | |
303 | stack = stackp; | |
304 | stacke = stackp + XFASTINT (maxdepth); | |
305 | ||
306 | /* Initialize the saved pc-pointer for fetching from the string. */ | |
307 | string_saved = bytestr; | |
308 | pc = XSTRING (string_saved)->data; | |
309 | ||
310 | while (1) | |
311 | { | |
312 | #ifdef BYTE_CODE_SAFE | |
313 | if (stackp > stacke) | |
63639d44 | 314 | error ("Byte code stack overflow (byte compiler bug), pc %d, depth %d", |
36f7ba0a JB |
315 | pc - XSTRING (string_saved)->data, stacke - stackp); |
316 | if (stackp < stack) | |
63639d44 | 317 | error ("Byte code stack underflow (byte compiler bug), pc %d", |
36f7ba0a JB |
318 | pc - XSTRING (string_saved)->data); |
319 | #endif | |
320 | ||
3b1f62f3 | 321 | if (! EQ (string_saved, bytestr)) |
36f7ba0a JB |
322 | { |
323 | pc = pc - XSTRING (string_saved)->data + XSTRING (bytestr)->data; | |
324 | string_saved = bytestr; | |
325 | } | |
326 | ||
327 | #ifdef BYTE_CODE_METER | |
328 | prev_op = this_op; | |
329 | this_op = op = FETCH; | |
330 | METER_CODE (prev_op, op); | |
331 | switch (op) | |
332 | #else | |
333 | switch (op = FETCH) | |
334 | #endif | |
335 | { | |
336 | case Bvarref+6: | |
337 | op = FETCH; | |
338 | goto varref; | |
339 | ||
340 | case Bvarref+7: | |
341 | op = FETCH2; | |
342 | goto varref; | |
343 | ||
344 | case Bvarref: case Bvarref+1: case Bvarref+2: case Bvarref+3: | |
345 | case Bvarref+4: case Bvarref+5: | |
346 | op = op - Bvarref; | |
347 | varref: | |
348 | v1 = vectorp[op]; | |
617bd3f6 | 349 | if (!SYMBOLP (v1)) |
36f7ba0a JB |
350 | v2 = Fsymbol_value (v1); |
351 | else | |
352 | { | |
353 | v2 = XSYMBOL (v1)->value; | |
677ad7fe KH |
354 | if (MISCP (v2) || EQ (v2, Qunbound)) |
355 | v2 = Fsymbol_value (v1); | |
36f7ba0a JB |
356 | } |
357 | PUSH (v2); | |
358 | break; | |
359 | ||
360 | case Bvarset+6: | |
361 | op = FETCH; | |
362 | goto varset; | |
363 | ||
364 | case Bvarset+7: | |
365 | op = FETCH2; | |
366 | goto varset; | |
367 | ||
368 | case Bvarset: case Bvarset+1: case Bvarset+2: case Bvarset+3: | |
369 | case Bvarset+4: case Bvarset+5: | |
370 | op -= Bvarset; | |
371 | varset: | |
372 | Fset (vectorp[op], POP); | |
373 | break; | |
374 | ||
375 | case Bvarbind+6: | |
376 | op = FETCH; | |
377 | goto varbind; | |
378 | ||
379 | case Bvarbind+7: | |
380 | op = FETCH2; | |
381 | goto varbind; | |
382 | ||
383 | case Bvarbind: case Bvarbind+1: case Bvarbind+2: case Bvarbind+3: | |
384 | case Bvarbind+4: case Bvarbind+5: | |
385 | op -= Bvarbind; | |
386 | varbind: | |
387 | specbind (vectorp[op], POP); | |
388 | break; | |
389 | ||
390 | case Bcall+6: | |
391 | op = FETCH; | |
392 | goto docall; | |
393 | ||
394 | case Bcall+7: | |
395 | op = FETCH2; | |
396 | goto docall; | |
397 | ||
398 | case Bcall: case Bcall+1: case Bcall+2: case Bcall+3: | |
399 | case Bcall+4: case Bcall+5: | |
400 | op -= Bcall; | |
401 | docall: | |
63639d44 JB |
402 | DISCARD (op); |
403 | #ifdef BYTE_CODE_METER | |
617bd3f6 | 404 | if (byte_metering_on && SYMBOLP (TOP)) |
63639d44 JB |
405 | { |
406 | v1 = TOP; | |
407 | v2 = Fget (v1, Qbyte_code_meter); | |
617bd3f6 | 408 | if (INTEGERP (v2) |
63639d44 JB |
409 | && XINT (v2) != ((1<<VALBITS)-1)) |
410 | { | |
411 | XSETINT (v2, XINT (v2) + 1); | |
412 | Fput (v1, Qbyte_code_meter, v2); | |
413 | } | |
414 | } | |
415 | #endif | |
36f7ba0a JB |
416 | TOP = Ffuncall (op + 1, &TOP); |
417 | break; | |
418 | ||
419 | case Bunbind+6: | |
420 | op = FETCH; | |
421 | goto dounbind; | |
422 | ||
423 | case Bunbind+7: | |
424 | op = FETCH2; | |
425 | goto dounbind; | |
426 | ||
427 | case Bunbind: case Bunbind+1: case Bunbind+2: case Bunbind+3: | |
428 | case Bunbind+4: case Bunbind+5: | |
429 | op -= Bunbind; | |
430 | dounbind: | |
431 | unbind_to (specpdl_ptr - specpdl - op, Qnil); | |
432 | break; | |
433 | ||
434 | case Bunbind_all: | |
435 | /* To unbind back to the beginning of this frame. Not used yet, | |
63639d44 | 436 | but will be needed for tail-recursion elimination. */ |
36f7ba0a JB |
437 | unbind_to (count, Qnil); |
438 | break; | |
439 | ||
440 | case Bgoto: | |
14726871 | 441 | MAYBE_GC (); |
36f7ba0a JB |
442 | QUIT; |
443 | op = FETCH2; /* pc = FETCH2 loses since FETCH2 contains pc++ */ | |
444 | pc = XSTRING (string_saved)->data + op; | |
445 | break; | |
446 | ||
447 | case Bgotoifnil: | |
14726871 | 448 | MAYBE_GC (); |
36f7ba0a | 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 Bgotoifnonnil: | |
14726871 | 458 | MAYBE_GC (); |
36f7ba0a | 459 | op = FETCH2; |
921a8935 | 460 | if (!NILP (POP)) |
36f7ba0a JB |
461 | { |
462 | QUIT; | |
463 | pc = XSTRING (string_saved)->data + op; | |
464 | } | |
465 | break; | |
466 | ||
467 | case Bgotoifnilelsepop: | |
14726871 | 468 | MAYBE_GC (); |
36f7ba0a | 469 | op = FETCH2; |
921a8935 | 470 | if (NILP (TOP)) |
36f7ba0a JB |
471 | { |
472 | QUIT; | |
473 | pc = XSTRING (string_saved)->data + op; | |
474 | } | |
63639d44 | 475 | else DISCARD (1); |
36f7ba0a JB |
476 | break; |
477 | ||
478 | case Bgotoifnonnilelsepop: | |
14726871 | 479 | MAYBE_GC (); |
36f7ba0a | 480 | op = FETCH2; |
921a8935 | 481 | if (!NILP (TOP)) |
36f7ba0a JB |
482 | { |
483 | QUIT; | |
484 | pc = XSTRING (string_saved)->data + op; | |
485 | } | |
63639d44 JB |
486 | else DISCARD (1); |
487 | break; | |
488 | ||
489 | case BRgoto: | |
14726871 | 490 | MAYBE_GC (); |
63639d44 | 491 | QUIT; |
eb086ca7 | 492 | pc += (int) *pc - 127; |
63639d44 JB |
493 | break; |
494 | ||
495 | case BRgotoifnil: | |
14726871 | 496 | MAYBE_GC (); |
63639d44 JB |
497 | if (NILP (POP)) |
498 | { | |
499 | QUIT; | |
eb086ca7 | 500 | pc += (int) *pc - 128; |
63639d44 JB |
501 | } |
502 | pc++; | |
503 | break; | |
504 | ||
505 | case BRgotoifnonnil: | |
14726871 | 506 | MAYBE_GC (); |
63639d44 JB |
507 | if (!NILP (POP)) |
508 | { | |
509 | QUIT; | |
eb086ca7 | 510 | pc += (int) *pc - 128; |
63639d44 JB |
511 | } |
512 | pc++; | |
513 | break; | |
514 | ||
515 | case BRgotoifnilelsepop: | |
14726871 | 516 | MAYBE_GC (); |
63639d44 JB |
517 | op = *pc++; |
518 | if (NILP (TOP)) | |
519 | { | |
520 | QUIT; | |
521 | pc += op - 128; | |
522 | } | |
523 | else DISCARD (1); | |
524 | break; | |
525 | ||
526 | case BRgotoifnonnilelsepop: | |
14726871 | 527 | MAYBE_GC (); |
63639d44 JB |
528 | op = *pc++; |
529 | if (!NILP (TOP)) | |
530 | { | |
531 | QUIT; | |
532 | pc += op - 128; | |
533 | } | |
534 | else DISCARD (1); | |
98bf0c8d JB |
535 | break; |
536 | ||
36f7ba0a JB |
537 | case Breturn: |
538 | v1 = POP; | |
539 | goto exit; | |
540 | ||
541 | case Bdiscard: | |
63639d44 | 542 | DISCARD (1); |
36f7ba0a JB |
543 | break; |
544 | ||
545 | case Bdup: | |
546 | v1 = TOP; | |
547 | PUSH (v1); | |
548 | break; | |
549 | ||
550 | case Bconstant2: | |
551 | PUSH (vectorp[FETCH2]); | |
552 | break; | |
553 | ||
554 | case Bsave_excursion: | |
555 | record_unwind_protect (save_excursion_restore, save_excursion_save ()); | |
556 | break; | |
557 | ||
3b841abc RS |
558 | case Bsave_current_buffer: |
559 | record_unwind_protect (Fset_buffer, Fcurrent_buffer ()); | |
560 | break; | |
561 | ||
36f7ba0a JB |
562 | case Bsave_window_excursion: |
563 | TOP = Fsave_window_excursion (TOP); | |
564 | break; | |
565 | ||
566 | case Bsave_restriction: | |
567 | record_unwind_protect (save_restriction_restore, save_restriction_save ()); | |
568 | break; | |
569 | ||
570 | case Bcatch: | |
571 | v1 = POP; | |
572 | TOP = internal_catch (TOP, Feval, v1); | |
573 | break; | |
574 | ||
575 | case Bunwind_protect: | |
576 | record_unwind_protect (0, POP); | |
577 | (specpdl_ptr - 1)->symbol = Qnil; | |
578 | break; | |
579 | ||
580 | case Bcondition_case: | |
581 | v1 = POP; | |
582 | v1 = Fcons (POP, v1); | |
583 | TOP = Fcondition_case (Fcons (TOP, v1)); | |
584 | break; | |
585 | ||
586 | case Btemp_output_buffer_setup: | |
587 | temp_output_buffer_setup (XSTRING (TOP)->data); | |
588 | TOP = Vstandard_output; | |
589 | break; | |
590 | ||
591 | case Btemp_output_buffer_show: | |
592 | v1 = POP; | |
f054132a | 593 | temp_output_buffer_show (TOP); |
36f7ba0a JB |
594 | TOP = v1; |
595 | /* pop binding of standard-output */ | |
596 | unbind_to (specpdl_ptr - specpdl - 1, Qnil); | |
597 | break; | |
598 | ||
599 | case Bnth: | |
600 | v1 = POP; | |
601 | v2 = TOP; | |
602 | nth_entry: | |
603 | CHECK_NUMBER (v2, 0); | |
604 | op = XINT (v2); | |
605 | immediate_quit = 1; | |
606 | while (--op >= 0) | |
607 | { | |
608 | if (CONSP (v1)) | |
609 | v1 = XCONS (v1)->cdr; | |
921a8935 | 610 | else if (!NILP (v1)) |
36f7ba0a JB |
611 | { |
612 | immediate_quit = 0; | |
613 | v1 = wrong_type_argument (Qlistp, v1); | |
614 | immediate_quit = 1; | |
615 | op++; | |
616 | } | |
617 | } | |
618 | immediate_quit = 0; | |
619 | goto docar; | |
620 | ||
621 | case Bsymbolp: | |
617bd3f6 | 622 | TOP = SYMBOLP (TOP) ? Qt : Qnil; |
36f7ba0a JB |
623 | break; |
624 | ||
625 | case Bconsp: | |
626 | TOP = CONSP (TOP) ? Qt : Qnil; | |
627 | break; | |
628 | ||
629 | case Bstringp: | |
617bd3f6 | 630 | TOP = STRINGP (TOP) ? Qt : Qnil; |
36f7ba0a JB |
631 | break; |
632 | ||
633 | case Blistp: | |
921a8935 | 634 | TOP = CONSP (TOP) || NILP (TOP) ? Qt : Qnil; |
36f7ba0a JB |
635 | break; |
636 | ||
637 | case Beq: | |
638 | v1 = POP; | |
639 | TOP = EQ (v1, TOP) ? Qt : Qnil; | |
640 | break; | |
641 | ||
642 | case Bmemq: | |
643 | v1 = POP; | |
644 | TOP = Fmemq (TOP, v1); | |
645 | break; | |
646 | ||
647 | case Bnot: | |
921a8935 | 648 | TOP = NILP (TOP) ? Qt : Qnil; |
36f7ba0a JB |
649 | break; |
650 | ||
651 | case Bcar: | |
652 | v1 = TOP; | |
653 | docar: | |
654 | if (CONSP (v1)) TOP = XCONS (v1)->car; | |
921a8935 | 655 | else if (NILP (v1)) TOP = Qnil; |
36f7ba0a JB |
656 | else Fcar (wrong_type_argument (Qlistp, v1)); |
657 | break; | |
658 | ||
659 | case Bcdr: | |
660 | v1 = TOP; | |
661 | if (CONSP (v1)) TOP = XCONS (v1)->cdr; | |
921a8935 | 662 | else if (NILP (v1)) TOP = Qnil; |
36f7ba0a JB |
663 | else Fcdr (wrong_type_argument (Qlistp, v1)); |
664 | break; | |
665 | ||
666 | case Bcons: | |
667 | v1 = POP; | |
668 | TOP = Fcons (TOP, v1); | |
669 | break; | |
670 | ||
671 | case Blist1: | |
672 | TOP = Fcons (TOP, Qnil); | |
673 | break; | |
674 | ||
675 | case Blist2: | |
676 | v1 = POP; | |
677 | TOP = Fcons (TOP, Fcons (v1, Qnil)); | |
678 | break; | |
679 | ||
680 | case Blist3: | |
63639d44 | 681 | DISCARD (2); |
36f7ba0a JB |
682 | TOP = Flist (3, &TOP); |
683 | break; | |
684 | ||
685 | case Blist4: | |
63639d44 | 686 | DISCARD (3); |
36f7ba0a JB |
687 | TOP = Flist (4, &TOP); |
688 | break; | |
689 | ||
63639d44 JB |
690 | case BlistN: |
691 | op = FETCH; | |
692 | DISCARD (op - 1); | |
693 | TOP = Flist (op, &TOP); | |
694 | break; | |
695 | ||
36f7ba0a JB |
696 | case Blength: |
697 | TOP = Flength (TOP); | |
698 | break; | |
699 | ||
700 | case Baref: | |
701 | v1 = POP; | |
702 | TOP = Faref (TOP, v1); | |
703 | break; | |
704 | ||
705 | case Baset: | |
706 | v2 = POP; v1 = POP; | |
707 | TOP = Faset (TOP, v1, v2); | |
708 | break; | |
709 | ||
710 | case Bsymbol_value: | |
711 | TOP = Fsymbol_value (TOP); | |
712 | break; | |
713 | ||
714 | case Bsymbol_function: | |
715 | TOP = Fsymbol_function (TOP); | |
716 | break; | |
717 | ||
718 | case Bset: | |
719 | v1 = POP; | |
720 | TOP = Fset (TOP, v1); | |
721 | break; | |
722 | ||
723 | case Bfset: | |
724 | v1 = POP; | |
725 | TOP = Ffset (TOP, v1); | |
726 | break; | |
727 | ||
728 | case Bget: | |
729 | v1 = POP; | |
730 | TOP = Fget (TOP, v1); | |
731 | break; | |
732 | ||
733 | case Bsubstring: | |
734 | v2 = POP; v1 = POP; | |
735 | TOP = Fsubstring (TOP, v1, v2); | |
736 | break; | |
737 | ||
738 | case Bconcat2: | |
63639d44 | 739 | DISCARD (1); |
36f7ba0a JB |
740 | TOP = Fconcat (2, &TOP); |
741 | break; | |
742 | ||
743 | case Bconcat3: | |
63639d44 | 744 | DISCARD (2); |
36f7ba0a JB |
745 | TOP = Fconcat (3, &TOP); |
746 | break; | |
747 | ||
748 | case Bconcat4: | |
63639d44 | 749 | DISCARD (3); |
36f7ba0a JB |
750 | TOP = Fconcat (4, &TOP); |
751 | break; | |
752 | ||
63639d44 JB |
753 | case BconcatN: |
754 | op = FETCH; | |
755 | DISCARD (op - 1); | |
756 | TOP = Fconcat (op, &TOP); | |
757 | break; | |
758 | ||
36f7ba0a JB |
759 | case Bsub1: |
760 | v1 = TOP; | |
617bd3f6 | 761 | if (INTEGERP (v1)) |
36f7ba0a JB |
762 | { |
763 | XSETINT (v1, XINT (v1) - 1); | |
764 | TOP = v1; | |
765 | } | |
766 | else | |
767 | TOP = Fsub1 (v1); | |
768 | break; | |
769 | ||
770 | case Badd1: | |
771 | v1 = TOP; | |
617bd3f6 | 772 | if (INTEGERP (v1)) |
36f7ba0a JB |
773 | { |
774 | XSETINT (v1, XINT (v1) + 1); | |
775 | TOP = v1; | |
776 | } | |
777 | else | |
778 | TOP = Fadd1 (v1); | |
779 | break; | |
780 | ||
781 | case Beqlsign: | |
782 | v2 = POP; v1 = TOP; | |
783 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (v1, 0); | |
784 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (v2, 0); | |
056c80f9 | 785 | #ifdef LISP_FLOAT_TYPE |
67c098ad | 786 | if (FLOATP (v1) || FLOATP (v2)) |
056c80f9 KH |
787 | { |
788 | double f1, f2; | |
789 | ||
790 | f1 = (FLOATP (v1) ? XFLOAT (v1)->data : XINT (v1)); | |
791 | f2 = (FLOATP (v2) ? XFLOAT (v2)->data : XINT (v2)); | |
792 | TOP = (f1 == f2 ? Qt : Qnil); | |
793 | } | |
794 | else | |
795 | #endif | |
26285784 | 796 | TOP = (XINT (v1) == XINT (v2) ? Qt : Qnil); |
36f7ba0a JB |
797 | break; |
798 | ||
799 | case Bgtr: | |
800 | v1 = POP; | |
801 | TOP = Fgtr (TOP, v1); | |
802 | break; | |
803 | ||
804 | case Blss: | |
805 | v1 = POP; | |
806 | TOP = Flss (TOP, v1); | |
807 | break; | |
808 | ||
809 | case Bleq: | |
810 | v1 = POP; | |
811 | TOP = Fleq (TOP, v1); | |
812 | break; | |
813 | ||
814 | case Bgeq: | |
815 | v1 = POP; | |
816 | TOP = Fgeq (TOP, v1); | |
817 | break; | |
818 | ||
819 | case Bdiff: | |
63639d44 | 820 | DISCARD (1); |
36f7ba0a JB |
821 | TOP = Fminus (2, &TOP); |
822 | break; | |
823 | ||
824 | case Bnegate: | |
825 | v1 = TOP; | |
617bd3f6 | 826 | if (INTEGERP (v1)) |
36f7ba0a JB |
827 | { |
828 | XSETINT (v1, - XINT (v1)); | |
829 | TOP = v1; | |
830 | } | |
831 | else | |
832 | TOP = Fminus (1, &TOP); | |
833 | break; | |
834 | ||
835 | case Bplus: | |
63639d44 | 836 | DISCARD (1); |
36f7ba0a JB |
837 | TOP = Fplus (2, &TOP); |
838 | break; | |
839 | ||
840 | case Bmax: | |
63639d44 | 841 | DISCARD (1); |
36f7ba0a JB |
842 | TOP = Fmax (2, &TOP); |
843 | break; | |
844 | ||
845 | case Bmin: | |
63639d44 | 846 | DISCARD (1); |
36f7ba0a JB |
847 | TOP = Fmin (2, &TOP); |
848 | break; | |
849 | ||
850 | case Bmult: | |
63639d44 | 851 | DISCARD (1); |
36f7ba0a JB |
852 | TOP = Ftimes (2, &TOP); |
853 | break; | |
854 | ||
855 | case Bquo: | |
63639d44 | 856 | DISCARD (1); |
36f7ba0a JB |
857 | TOP = Fquo (2, &TOP); |
858 | break; | |
859 | ||
860 | case Brem: | |
861 | v1 = POP; | |
36f7ba0a JB |
862 | TOP = Frem (TOP, v1); |
863 | break; | |
864 | ||
865 | case Bpoint: | |
6ec8bbd2 | 866 | XSETFASTINT (v1, PT); |
36f7ba0a JB |
867 | PUSH (v1); |
868 | break; | |
869 | ||
870 | case Bgoto_char: | |
871 | TOP = Fgoto_char (TOP); | |
872 | break; | |
873 | ||
874 | case Binsert: | |
875 | TOP = Finsert (1, &TOP); | |
876 | break; | |
877 | ||
63639d44 JB |
878 | case BinsertN: |
879 | op = FETCH; | |
880 | DISCARD (op - 1); | |
881 | TOP = Finsert (op, &TOP); | |
882 | break; | |
883 | ||
36f7ba0a | 884 | case Bpoint_max: |
117360cb | 885 | XSETFASTINT (v1, ZV); |
36f7ba0a JB |
886 | PUSH (v1); |
887 | break; | |
888 | ||
889 | case Bpoint_min: | |
117360cb | 890 | XSETFASTINT (v1, BEGV); |
36f7ba0a JB |
891 | PUSH (v1); |
892 | break; | |
893 | ||
894 | case Bchar_after: | |
895 | TOP = Fchar_after (TOP); | |
896 | break; | |
897 | ||
898 | case Bfollowing_char: | |
af09cb43 | 899 | v1 = Ffollowing_char (); |
36f7ba0a JB |
900 | PUSH (v1); |
901 | break; | |
902 | ||
903 | case Bpreceding_char: | |
af09cb43 | 904 | v1 = Fprevious_char (); |
36f7ba0a JB |
905 | PUSH (v1); |
906 | break; | |
907 | ||
908 | case Bcurrent_column: | |
117360cb | 909 | XSETFASTINT (v1, current_column ()); |
36f7ba0a JB |
910 | PUSH (v1); |
911 | break; | |
912 | ||
913 | case Bindent_to: | |
914 | TOP = Findent_to (TOP, Qnil); | |
915 | break; | |
916 | ||
917 | case Beolp: | |
918 | PUSH (Feolp ()); | |
919 | break; | |
920 | ||
921 | case Beobp: | |
922 | PUSH (Feobp ()); | |
923 | break; | |
924 | ||
925 | case Bbolp: | |
926 | PUSH (Fbolp ()); | |
927 | break; | |
928 | ||
929 | case Bbobp: | |
930 | PUSH (Fbobp ()); | |
931 | break; | |
932 | ||
933 | case Bcurrent_buffer: | |
934 | PUSH (Fcurrent_buffer ()); | |
935 | break; | |
936 | ||
937 | case Bset_buffer: | |
938 | TOP = Fset_buffer (TOP); | |
939 | break; | |
940 | ||
941 | case Bread_char: | |
942 | PUSH (Fread_char ()); | |
943 | QUIT; | |
944 | break; | |
945 | ||
946 | case Binteractive_p: | |
947 | PUSH (Finteractive_p ()); | |
948 | break; | |
949 | ||
950 | case Bforward_char: | |
36f7ba0a JB |
951 | TOP = Fforward_char (TOP); |
952 | break; | |
953 | ||
954 | case Bforward_word: | |
36f7ba0a JB |
955 | TOP = Fforward_word (TOP); |
956 | break; | |
957 | ||
958 | case Bskip_chars_forward: | |
36f7ba0a JB |
959 | v1 = POP; |
960 | TOP = Fskip_chars_forward (TOP, v1); | |
961 | break; | |
962 | ||
963 | case Bskip_chars_backward: | |
36f7ba0a JB |
964 | v1 = POP; |
965 | TOP = Fskip_chars_backward (TOP, v1); | |
966 | break; | |
967 | ||
968 | case Bforward_line: | |
36f7ba0a JB |
969 | TOP = Fforward_line (TOP); |
970 | break; | |
971 | ||
972 | case Bchar_syntax: | |
973 | CHECK_NUMBER (TOP, 0); | |
117360cb | 974 | XSETFASTINT (TOP, |
af09cb43 | 975 | syntax_code_spec[(int) SYNTAX (XINT (TOP))]); |
36f7ba0a JB |
976 | break; |
977 | ||
978 | case Bbuffer_substring: | |
979 | v1 = POP; | |
980 | TOP = Fbuffer_substring (TOP, v1); | |
981 | break; | |
982 | ||
983 | case Bdelete_region: | |
984 | v1 = POP; | |
36f7ba0a JB |
985 | TOP = Fdelete_region (TOP, v1); |
986 | break; | |
987 | ||
988 | case Bnarrow_to_region: | |
989 | v1 = POP; | |
36f7ba0a JB |
990 | TOP = Fnarrow_to_region (TOP, v1); |
991 | break; | |
992 | ||
993 | case Bwiden: | |
994 | PUSH (Fwiden ()); | |
995 | break; | |
996 | ||
63639d44 JB |
997 | case Bend_of_line: |
998 | TOP = Fend_of_line (TOP); | |
999 | break; | |
1000 | ||
1001 | case Bset_marker: | |
1002 | v1 = POP; | |
1003 | v2 = POP; | |
1004 | TOP = Fset_marker (TOP, v2, v1); | |
1005 | break; | |
1006 | ||
1007 | case Bmatch_beginning: | |
1008 | TOP = Fmatch_beginning (TOP); | |
1009 | break; | |
1010 | ||
1011 | case Bmatch_end: | |
1012 | TOP = Fmatch_end (TOP); | |
1013 | break; | |
1014 | ||
1015 | case Bupcase: | |
1016 | TOP = Fupcase (TOP); | |
1017 | break; | |
1018 | ||
1019 | case Bdowncase: | |
1020 | TOP = Fdowncase (TOP); | |
1021 | break; | |
1022 | ||
36f7ba0a JB |
1023 | case Bstringeqlsign: |
1024 | v1 = POP; | |
36f7ba0a JB |
1025 | TOP = Fstring_equal (TOP, v1); |
1026 | break; | |
1027 | ||
1028 | case Bstringlss: | |
1029 | v1 = POP; | |
36f7ba0a JB |
1030 | TOP = Fstring_lessp (TOP, v1); |
1031 | break; | |
1032 | ||
1033 | case Bequal: | |
1034 | v1 = POP; | |
36f7ba0a JB |
1035 | TOP = Fequal (TOP, v1); |
1036 | break; | |
1037 | ||
1038 | case Bnthcdr: | |
1039 | v1 = POP; | |
36f7ba0a JB |
1040 | TOP = Fnthcdr (TOP, v1); |
1041 | break; | |
1042 | ||
1043 | case Belt: | |
617bd3f6 | 1044 | if (CONSP (TOP)) |
36f7ba0a JB |
1045 | { |
1046 | /* Exchange args and then do nth. */ | |
1047 | v2 = POP; | |
1048 | v1 = TOP; | |
1049 | goto nth_entry; | |
1050 | } | |
1051 | v1 = POP; | |
1052 | TOP = Felt (TOP, v1); | |
1053 | break; | |
1054 | ||
1055 | case Bmember: | |
1056 | v1 = POP; | |
36f7ba0a JB |
1057 | TOP = Fmember (TOP, v1); |
1058 | break; | |
1059 | ||
1060 | case Bassq: | |
1061 | v1 = POP; | |
36f7ba0a JB |
1062 | TOP = Fassq (TOP, v1); |
1063 | break; | |
1064 | ||
1065 | case Bnreverse: | |
1066 | TOP = Fnreverse (TOP); | |
1067 | break; | |
1068 | ||
1069 | case Bsetcar: | |
1070 | v1 = POP; | |
36f7ba0a JB |
1071 | TOP = Fsetcar (TOP, v1); |
1072 | break; | |
1073 | ||
1074 | case Bsetcdr: | |
1075 | v1 = POP; | |
36f7ba0a JB |
1076 | TOP = Fsetcdr (TOP, v1); |
1077 | break; | |
1078 | ||
1079 | case Bcar_safe: | |
1080 | v1 = TOP; | |
617bd3f6 | 1081 | if (CONSP (v1)) |
36f7ba0a JB |
1082 | TOP = XCONS (v1)->car; |
1083 | else | |
1084 | TOP = Qnil; | |
1085 | break; | |
1086 | ||
1087 | case Bcdr_safe: | |
1088 | v1 = TOP; | |
617bd3f6 | 1089 | if (CONSP (v1)) |
36f7ba0a JB |
1090 | TOP = XCONS (v1)->cdr; |
1091 | else | |
1092 | TOP = Qnil; | |
1093 | break; | |
1094 | ||
1095 | case Bnconc: | |
63639d44 | 1096 | DISCARD (1); |
36f7ba0a JB |
1097 | TOP = Fnconc (2, &TOP); |
1098 | break; | |
1099 | ||
1100 | case Bnumberp: | |
63639d44 | 1101 | TOP = (NUMBERP (TOP) ? Qt : Qnil); |
36f7ba0a JB |
1102 | break; |
1103 | ||
1104 | case Bintegerp: | |
617bd3f6 | 1105 | TOP = INTEGERP (TOP) ? Qt : Qnil; |
36f7ba0a JB |
1106 | break; |
1107 | ||
1108 | #ifdef BYTE_CODE_SAFE | |
1109 | case Bset_mark: | |
1110 | error ("set-mark is an obsolete bytecode"); | |
1111 | break; | |
1112 | case Bscan_buffer: | |
1113 | error ("scan-buffer is an obsolete bytecode"); | |
1114 | break; | |
1115 | case Bmark: | |
63639d44 | 1116 | error ("mark is an obsolete bytecode"); |
36f7ba0a JB |
1117 | break; |
1118 | #endif | |
1119 | ||
1120 | default: | |
1121 | #ifdef BYTE_CODE_SAFE | |
1122 | if (op < Bconstant) | |
1123 | error ("unknown bytecode %d (byte compiler bug)", op); | |
1124 | if ((op -= Bconstant) >= const_length) | |
1125 | error ("no constant number %d (byte compiler bug)", op); | |
1126 | PUSH (vectorp[op]); | |
1127 | #else | |
1128 | PUSH (vectorp[op - Bconstant]); | |
1129 | #endif | |
1130 | } | |
1131 | } | |
1132 | ||
1133 | exit: | |
1134 | UNGCPRO; | |
1135 | /* Binds and unbinds are supposed to be compiled balanced. */ | |
1136 | if (specpdl_ptr - specpdl != count) | |
1137 | #ifdef BYTE_CODE_SAFE | |
1138 | error ("binding stack not balanced (serious byte compiler bug)"); | |
1139 | #else | |
1140 | abort (); | |
1141 | #endif | |
1142 | return v1; | |
1143 | } | |
1144 | ||
1145 | syms_of_bytecode () | |
1146 | { | |
1147 | Qbytecode = intern ("byte-code"); | |
1148 | staticpro (&Qbytecode); | |
1149 | ||
1150 | defsubr (&Sbyte_code); | |
1151 | ||
1152 | #ifdef BYTE_CODE_METER | |
1153 | ||
1154 | DEFVAR_LISP ("byte-code-meter", &Vbyte_code_meter, | |
63639d44 JB |
1155 | "A vector of vectors which holds a histogram of byte-code usage.\n\ |
1156 | (aref (aref byte-code-meter 0) CODE) indicates how many times the byte\n\ | |
1157 | opcode CODE has been executed.\n\ | |
1158 | (aref (aref byte-code-meter CODE1) CODE2), where CODE1 is not 0,\n\ | |
1159 | indicates how many times the byte opcodes CODE1 and CODE2 have been\n\ | |
1160 | executed in succession."); | |
1161 | DEFVAR_BOOL ("byte-metering-on", &byte_metering_on, | |
1162 | "If non-nil, keep profiling information on byte code usage.\n\ | |
1163 | The variable byte-code-meter indicates how often each byte opcode is used.\n\ | |
1164 | If a symbol has a property named `byte-code-meter' whose value is an\n\ | |
1165 | integer, it is incremented each time that symbol's function is called."); | |
36f7ba0a JB |
1166 | |
1167 | byte_metering_on = 0; | |
63639d44 JB |
1168 | Vbyte_code_meter = Fmake_vector (make_number (256), make_number (0)); |
1169 | Qbyte_code_meter = intern ("byte-code-meter"); | |
1170 | staticpro (&Qbyte_code_meter); | |
36f7ba0a JB |
1171 | { |
1172 | int i = 256; | |
1173 | while (i--) | |
63639d44 JB |
1174 | XVECTOR (Vbyte_code_meter)->contents[i] = |
1175 | Fmake_vector (make_number (256), make_number (0)); | |
36f7ba0a JB |
1176 | } |
1177 | #endif | |
1178 | } |