Commit | Line | Data |
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5a7f5d07 | 1 | /* Keyboard macros. |
2136b408 | 2 | Copyright (C) 1985, 1986, 1993, 2000, 2001 Free Software Foundation, Inc. |
5a7f5d07 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 | |
502ddf23 | 8 | the Free Software Foundation; either version 2, or (at your option) |
5a7f5d07 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. */ | |
5a7f5d07 JB |
20 | |
21 | ||
18160b98 | 22 | #include <config.h> |
5a7f5d07 JB |
23 | #include "lisp.h" |
24 | #include "macros.h" | |
25 | #include "commands.h" | |
26 | #include "buffer.h" | |
27 | #include "window.h" | |
077d751f | 28 | #include "keyboard.h" |
5a7f5d07 | 29 | |
2136b408 | 30 | Lisp_Object Qexecute_kbd_macro, Qkbd_macro_termination_hook; |
5a7f5d07 | 31 | |
d4087e06 RS |
32 | /* Kbd macro currently being executed (a string or vector). */ |
33 | ||
5a7f5d07 | 34 | Lisp_Object Vexecuting_macro; |
d4087e06 RS |
35 | |
36 | /* Index of next character to fetch from that macro. */ | |
37 | ||
5a7f5d07 JB |
38 | int executing_macro_index; |
39 | ||
d4087e06 RS |
40 | /* Number of successful iterations so far |
41 | for innermost keyboard macro. | |
42 | This is not bound at each level, | |
43 | so after an error, it describes the innermost interrupted macro. */ | |
44 | ||
45 | int executing_macro_iterations; | |
46 | ||
47 | /* This is the macro that was executing. | |
48 | This is not bound at each level, | |
49 | so after an error, it describes the innermost interrupted macro. | |
50 | We use it only as a kind of flag, so no need to protect it. */ | |
51 | ||
52 | Lisp_Object executing_macro; | |
53 | ||
b80d5655 RS |
54 | extern Lisp_Object real_this_command; |
55 | ||
5a7f5d07 JB |
56 | Lisp_Object Fexecute_kbd_macro (); |
57 | \f | |
f90d3a6b | 58 | DEFUN ("start-kbd-macro", Fstart_kbd_macro, Sstart_kbd_macro, 1, 2, "P", |
70da46c3 PJ |
59 | doc: /* Record subsequent keyboard input, defining a keyboard macro. |
60 | The commands are recorded even as they are executed. | |
61 | Use \\[end-kbd-macro] to finish recording and make the macro available. | |
62 | Use \\[name-last-kbd-macro] to give it a permanent name. | |
63 | Non-nil arg (prefix arg) means append to last macro defined; | |
f90d3a6b KS |
64 | this begins by re-executing that macro as if you typed it again. |
65 | If optional second arg, NO-EXEC, is non-nil, do not re-execute last | |
66 | macro before appending to it. */) | |
67 | (append, no_exec) | |
68 | Lisp_Object append, no_exec; | |
5a7f5d07 | 69 | { |
cd8b5aa3 | 70 | if (!NILP (current_kboard->defining_kbd_macro)) |
5a7f5d07 JB |
71 | error ("Already defining kbd macro"); |
72 | ||
cd8b5aa3 | 73 | if (!current_kboard->kbd_macro_buffer) |
8b97da83 | 74 | { |
cd8b5aa3 KH |
75 | current_kboard->kbd_macro_bufsize = 30; |
76 | current_kboard->kbd_macro_buffer | |
9e7c370a | 77 | = (Lisp_Object *)xmalloc (30 * sizeof (Lisp_Object)); |
8b97da83 | 78 | } |
5a7f5d07 | 79 | update_mode_lines++; |
265a9e55 | 80 | if (NILP (append)) |
5a7f5d07 | 81 | { |
9e7c370a KH |
82 | if (current_kboard->kbd_macro_bufsize > 200) |
83 | { | |
84 | current_kboard->kbd_macro_bufsize = 30; | |
85 | current_kboard->kbd_macro_buffer | |
96a60349 KH |
86 | = (Lisp_Object *)xrealloc (current_kboard->kbd_macro_buffer, |
87 | 30 * sizeof (Lisp_Object)); | |
9e7c370a | 88 | } |
cd8b5aa3 KH |
89 | current_kboard->kbd_macro_ptr = current_kboard->kbd_macro_buffer; |
90 | current_kboard->kbd_macro_end = current_kboard->kbd_macro_buffer; | |
9e7c370a | 91 | message ("Defining kbd macro..."); |
5a7f5d07 JB |
92 | } |
93 | else | |
94 | { | |
f84db7d5 RS |
95 | int i, len; |
96 | ||
97 | /* Check the type of last-kbd-macro in case Lisp code changed it. */ | |
98 | if (!STRINGP (current_kboard->Vlast_kbd_macro) | |
99 | && !VECTORP (current_kboard->Vlast_kbd_macro)) | |
100 | current_kboard->Vlast_kbd_macro | |
101 | = wrong_type_argument (Qarrayp, current_kboard->Vlast_kbd_macro); | |
102 | ||
103 | len = XINT (Flength (current_kboard->Vlast_kbd_macro)); | |
104 | ||
105 | /* Copy last-kbd-macro into the buffer, in case the Lisp code | |
106 | has put another macro there. */ | |
107 | if (current_kboard->kbd_macro_bufsize < len + 30) | |
108 | { | |
109 | current_kboard->kbd_macro_bufsize = len + 30; | |
110 | current_kboard->kbd_macro_buffer | |
111 | = (Lisp_Object *)xrealloc (current_kboard->kbd_macro_buffer, | |
112 | (len + 30) * sizeof (Lisp_Object)); | |
113 | } | |
114 | for (i = 0; i < len; i++) | |
115 | current_kboard->kbd_macro_buffer[i] | |
116 | = Faref (current_kboard->Vlast_kbd_macro, make_number (i)); | |
117 | ||
118 | current_kboard->kbd_macro_ptr = current_kboard->kbd_macro_buffer + len; | |
119 | current_kboard->kbd_macro_end = current_kboard->kbd_macro_ptr; | |
120 | ||
121 | /* Re-execute the macro we are appending to, | |
122 | for consistency of behavior. */ | |
f90d3a6b KS |
123 | if (NILP (no_exec)) |
124 | Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, | |
125 | make_number (1), Qnil); | |
f84db7d5 RS |
126 | |
127 | message ("Appending to kbd macro..."); | |
5a7f5d07 | 128 | } |
cd8b5aa3 | 129 | current_kboard->defining_kbd_macro = Qt; |
5a7f5d07 JB |
130 | |
131 | return Qnil; | |
132 | } | |
133 | ||
f90d3a6b | 134 | DEFUN ("end-kbd-macro", Fend_kbd_macro, Send_kbd_macro, 0, 2, "p", |
70da46c3 PJ |
135 | doc: /* Finish defining a keyboard macro. |
136 | The definition was started by \\[start-kbd-macro]. | |
137 | The macro is now available for use via \\[call-last-kbd-macro], | |
138 | or it can be given a name with \\[name-last-kbd-macro] and then invoked | |
139 | under that name. | |
140 | ||
141 | With numeric arg, repeat macro now that many times, | |
142 | counting the definition just completed as the first repetition. | |
f90d3a6b KS |
143 | An argument of zero means repeat until error. |
144 | ||
145 | In Lisp, optional second arg LOOPFUNC may be a function that is called prior to | |
146 | each iteration of the macro. Iteration stops if LOOPFUNC returns nil. */) | |
147 | (repeat, loopfunc) | |
148 | Lisp_Object repeat, loopfunc; | |
5a7f5d07 | 149 | { |
cd8b5aa3 | 150 | if (NILP (current_kboard->defining_kbd_macro)) |
d86ad277 | 151 | error ("Not defining kbd macro"); |
5a7f5d07 | 152 | |
86a3ca5e EN |
153 | if (NILP (repeat)) |
154 | XSETFASTINT (repeat, 1); | |
5a7f5d07 | 155 | else |
b7826503 | 156 | CHECK_NUMBER (repeat); |
5a7f5d07 | 157 | |
cd8b5aa3 | 158 | if (!NILP (current_kboard->defining_kbd_macro)) |
5a7f5d07 | 159 | { |
cd8b5aa3 | 160 | current_kboard->defining_kbd_macro = Qnil; |
5a7f5d07 | 161 | update_mode_lines++; |
cd8b5aa3 KH |
162 | current_kboard->Vlast_kbd_macro |
163 | = make_event_array ((current_kboard->kbd_macro_end | |
164 | - current_kboard->kbd_macro_buffer), | |
165 | current_kboard->kbd_macro_buffer); | |
9e7c370a | 166 | message ("Keyboard macro defined"); |
5a7f5d07 JB |
167 | } |
168 | ||
86a3ca5e | 169 | if (XFASTINT (repeat) == 0) |
f90d3a6b | 170 | Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, repeat, loopfunc); |
5a7f5d07 JB |
171 | else |
172 | { | |
86a3ca5e EN |
173 | XSETINT (repeat, XINT (repeat)-1); |
174 | if (XINT (repeat) > 0) | |
f90d3a6b | 175 | Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, repeat, loopfunc); |
5a7f5d07 JB |
176 | } |
177 | return Qnil; | |
178 | } | |
179 | ||
180 | /* Store character c into kbd macro being defined */ | |
181 | ||
c3fd8dd5 | 182 | void |
5a7f5d07 JB |
183 | store_kbd_macro_char (c) |
184 | Lisp_Object c; | |
185 | { | |
08e1d6df GM |
186 | struct kboard *kb = current_kboard; |
187 | ||
188 | if (!NILP (kb->defining_kbd_macro)) | |
5a7f5d07 | 189 | { |
08e1d6df | 190 | if (kb->kbd_macro_ptr - kb->kbd_macro_buffer == kb->kbd_macro_bufsize) |
5a7f5d07 | 191 | { |
08e1d6df GM |
192 | int ptr_offset, end_offset, nbytes; |
193 | ||
194 | ptr_offset = kb->kbd_macro_ptr - kb->kbd_macro_buffer; | |
195 | end_offset = kb->kbd_macro_end - kb->kbd_macro_buffer; | |
196 | kb->kbd_macro_bufsize *= 2; | |
197 | nbytes = kb->kbd_macro_bufsize * sizeof *kb->kbd_macro_buffer; | |
198 | kb->kbd_macro_buffer | |
199 | = (Lisp_Object *) xrealloc (kb->kbd_macro_buffer, nbytes); | |
200 | kb->kbd_macro_ptr = kb->kbd_macro_buffer + ptr_offset; | |
201 | kb->kbd_macro_end = kb->kbd_macro_buffer + end_offset; | |
5a7f5d07 | 202 | } |
23751e25 | 203 | |
08e1d6df | 204 | *kb->kbd_macro_ptr++ = c; |
5a7f5d07 JB |
205 | } |
206 | } | |
207 | ||
208 | /* Declare that all chars stored so far in the kbd macro being defined | |
209 | really belong to it. This is done in between editor commands. */ | |
210 | ||
c3fd8dd5 | 211 | void |
5a7f5d07 JB |
212 | finalize_kbd_macro_chars () |
213 | { | |
cd8b5aa3 | 214 | current_kboard->kbd_macro_end = current_kboard->kbd_macro_ptr; |
5a7f5d07 | 215 | } |
199afd29 RS |
216 | |
217 | DEFUN ("cancel-kbd-macro-events", Fcancel_kbd_macro_events, | |
218 | Scancel_kbd_macro_events, 0, 0, 0, | |
70da46c3 PJ |
219 | doc: /* Cancel the events added to a keyboard macro for this command. */) |
220 | () | |
199afd29 RS |
221 | { |
222 | current_kboard->kbd_macro_ptr = current_kboard->kbd_macro_end; | |
6bbd7a29 | 223 | return Qnil; |
199afd29 | 224 | } |
2d5f65a9 KH |
225 | |
226 | DEFUN ("store-kbd-macro-event", Fstore_kbd_macro_event, | |
227 | Sstore_kbd_macro_event, 1, 1, 0, | |
70da46c3 PJ |
228 | doc: /* Store EVENT into the keyboard macro being defined. */) |
229 | (event) | |
2d5f65a9 KH |
230 | Lisp_Object event; |
231 | { | |
232 | store_kbd_macro_char (event); | |
233 | return Qnil; | |
234 | } | |
5a7f5d07 JB |
235 | \f |
236 | DEFUN ("call-last-kbd-macro", Fcall_last_kbd_macro, Scall_last_kbd_macro, | |
f90d3a6b | 237 | 0, 2, "p", |
70da46c3 PJ |
238 | doc: /* Call the last keyboard macro that you defined with \\[start-kbd-macro]. |
239 | ||
240 | A prefix argument serves as a repeat count. Zero means repeat until error. | |
241 | ||
242 | To make a macro permanent so you can call it even after | |
f90d3a6b KS |
243 | defining others, use \\[name-last-kbd-macro]. |
244 | ||
245 | In Lisp, optional second arg LOOPFUNC may be a function that is called prior to | |
246 | each iteration of the macro. Iteration stops if LOOPFUNC returns nil. */) | |
247 | (prefix, loopfunc) | |
248 | Lisp_Object prefix, loopfunc; | |
5a7f5d07 | 249 | { |
4315204e RS |
250 | /* Don't interfere with recognition of the previous command |
251 | from before this macro started. */ | |
14a18790 | 252 | Vthis_command = current_kboard->Vlast_command; |
80184dac KH |
253 | /* C-x z after the macro should repeat the macro. */ |
254 | real_this_command = current_kboard->Vlast_kbd_macro; | |
4315204e | 255 | |
cd8b5aa3 | 256 | if (! NILP (current_kboard->defining_kbd_macro)) |
5a7f5d07 | 257 | error ("Can't execute anonymous macro while defining one"); |
cd8b5aa3 | 258 | else if (NILP (current_kboard->Vlast_kbd_macro)) |
5a7f5d07 JB |
259 | error ("No kbd macro has been defined"); |
260 | else | |
f90d3a6b | 261 | Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, prefix, loopfunc); |
4315204e RS |
262 | |
263 | /* command_loop_1 sets this to nil before it returns; | |
264 | get back the last command within the macro | |
265 | so that it can be last, again, after we return. */ | |
14a18790 | 266 | Vthis_command = current_kboard->Vlast_command; |
4315204e | 267 | |
5a7f5d07 JB |
268 | return Qnil; |
269 | } | |
270 | ||
271 | /* Restore Vexecuting_macro and executing_macro_index - called when | |
272 | the unwind-protect in Fexecute_kbd_macro gets invoked. */ | |
d4087e06 | 273 | |
5a7f5d07 JB |
274 | static Lisp_Object |
275 | pop_kbd_macro (info) | |
276 | Lisp_Object info; | |
277 | { | |
278 | Lisp_Object tem; | |
80184dac KH |
279 | Vexecuting_macro = XCAR (info); |
280 | tem = XCDR (info); | |
281 | executing_macro_index = XINT (XCAR (tem)); | |
282 | real_this_command = XCDR (tem); | |
2136b408 | 283 | Frun_hooks (1, &Qkbd_macro_termination_hook); |
5a7f5d07 JB |
284 | return Qnil; |
285 | } | |
286 | ||
f90d3a6b | 287 | DEFUN ("execute-kbd-macro", Fexecute_kbd_macro, Sexecute_kbd_macro, 1, 3, 0, |
70da46c3 PJ |
288 | doc: /* Execute MACRO as string of editor command characters. |
289 | If MACRO is a symbol, its function definition is used. | |
f90d3a6b KS |
290 | COUNT is a repeat count, or nil for once, or 0 for infinite loop. |
291 | ||
292 | Optional third arg LOOPFUNC may be a function that is called prior to | |
293 | each iteration of the macro. Iteration stops if LOOPFUNC returns nil. */) | |
294 | (macro, count, loopfunc) | |
295 | Lisp_Object macro, count, loopfunc; | |
5a7f5d07 JB |
296 | { |
297 | Lisp_Object final; | |
298 | Lisp_Object tem; | |
65b21658 | 299 | int pdlcount = SPECPDL_INDEX (); |
5a7f5d07 | 300 | int repeat = 1; |
f90d3a6b | 301 | struct gcpro gcpro1, gcpro2; |
d4087e06 | 302 | int success_count = 0; |
5a7f5d07 | 303 | |
4b7da890 KH |
304 | executing_macro_iterations = 0; |
305 | ||
1c8c5693 EN |
306 | if (!NILP (count)) |
307 | { | |
308 | count = Fprefix_numeric_value (count); | |
309 | repeat = XINT (count); | |
310 | } | |
5a7f5d07 | 311 | |
502ddf23 | 312 | final = indirect_function (macro); |
65346ae6 | 313 | if (!STRINGP (final) && !VECTORP (final)) |
d86ad277 | 314 | error ("Keyboard macros must be strings or vectors"); |
5a7f5d07 | 315 | |
80184dac KH |
316 | tem = Fcons (Vexecuting_macro, |
317 | Fcons (make_number (executing_macro_index), | |
318 | real_this_command)); | |
5a7f5d07 JB |
319 | record_unwind_protect (pop_kbd_macro, tem); |
320 | ||
f90d3a6b | 321 | GCPRO2 (final, loopfunc); |
5a7f5d07 JB |
322 | do |
323 | { | |
324 | Vexecuting_macro = final; | |
d4087e06 | 325 | executing_macro = final; |
5a7f5d07 JB |
326 | executing_macro_index = 0; |
327 | ||
04609ce4 | 328 | current_kboard->Vprefix_arg = Qnil; |
f90d3a6b KS |
329 | |
330 | if (!NILP (loopfunc)) | |
331 | { | |
332 | Lisp_Object cont; | |
333 | cont = call0 (loopfunc); | |
334 | if (NILP (cont)) | |
335 | break; | |
336 | } | |
337 | ||
5a7f5d07 | 338 | command_loop_1 (); |
e86f81cc | 339 | |
d4087e06 RS |
340 | executing_macro_iterations = ++success_count; |
341 | ||
e86f81cc | 342 | QUIT; |
5a7f5d07 | 343 | } |
65346ae6 KH |
344 | while (--repeat |
345 | && (STRINGP (Vexecuting_macro) || VECTORP (Vexecuting_macro))); | |
5a7f5d07 | 346 | |
d4087e06 RS |
347 | executing_macro = Qnil; |
348 | ||
b80d5655 RS |
349 | real_this_command = Vexecuting_macro; |
350 | ||
5a7f5d07 | 351 | UNGCPRO; |
52d9c145 | 352 | return unbind_to (pdlcount, Qnil); |
5a7f5d07 JB |
353 | } |
354 | \f | |
c3fd8dd5 | 355 | void |
5a7f5d07 JB |
356 | init_macros () |
357 | { | |
5a7f5d07 | 358 | Vexecuting_macro = Qnil; |
1ab778be | 359 | executing_macro = Qnil; |
5a7f5d07 JB |
360 | } |
361 | ||
c3fd8dd5 | 362 | void |
5a7f5d07 JB |
363 | syms_of_macros () |
364 | { | |
5a7f5d07 JB |
365 | Qexecute_kbd_macro = intern ("execute-kbd-macro"); |
366 | staticpro (&Qexecute_kbd_macro); | |
2136b408 GM |
367 | Qkbd_macro_termination_hook = intern ("kbd-macro-termination-hook"); |
368 | staticpro (&Qkbd_macro_termination_hook); | |
5a7f5d07 JB |
369 | |
370 | defsubr (&Sstart_kbd_macro); | |
371 | defsubr (&Send_kbd_macro); | |
372 | defsubr (&Scall_last_kbd_macro); | |
373 | defsubr (&Sexecute_kbd_macro); | |
199afd29 | 374 | defsubr (&Scancel_kbd_macro_events); |
2d5f65a9 | 375 | defsubr (&Sstore_kbd_macro_event); |
5a7f5d07 | 376 | |
cd8b5aa3 | 377 | DEFVAR_KBOARD ("defining-kbd-macro", defining_kbd_macro, |
70da46c3 | 378 | doc: /* Non-nil while a keyboard macro is being defined. Don't set this! */); |
5a7f5d07 JB |
379 | |
380 | DEFVAR_LISP ("executing-macro", &Vexecuting_macro, | |
70da46c3 | 381 | doc: /* Currently executing keyboard macro (string or vector); nil if none executing. */); |
5a7f5d07 JB |
382 | |
383 | DEFVAR_LISP_NOPRO ("executing-kbd-macro", &Vexecuting_macro, | |
70da46c3 | 384 | doc: /* Currently executing keyboard macro (string or vector); nil if none executing. */); |
5a7f5d07 | 385 | |
cd8b5aa3 | 386 | DEFVAR_KBOARD ("last-kbd-macro", Vlast_kbd_macro, |
70da46c3 | 387 | doc: /* Last kbd macro defined, as a string or vector; nil if none defined. */); |
5a7f5d07 | 388 | } |