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 | |
58 | DEFUN ("start-kbd-macro", Fstart_kbd_macro, Sstart_kbd_macro, 1, 1, "P", | |
59 | "Record subsequent keyboard input, defining a keyboard macro.\n\ | |
60 | The commands are recorded even as they are executed.\n\ | |
61 | Use \\[end-kbd-macro] to finish recording and make the macro available.\n\ | |
62 | Use \\[name-last-kbd-macro] to give it a permanent name.\n\ | |
63 | Non-nil arg (prefix arg) means append to last macro defined;\n\ | |
1486b463 | 64 | this begins by re-executing that macro as if you typed it again.") |
5a7f5d07 JB |
65 | (append) |
66 | Lisp_Object append; | |
67 | { | |
cd8b5aa3 | 68 | if (!NILP (current_kboard->defining_kbd_macro)) |
5a7f5d07 JB |
69 | error ("Already defining kbd macro"); |
70 | ||
cd8b5aa3 | 71 | if (!current_kboard->kbd_macro_buffer) |
8b97da83 | 72 | { |
cd8b5aa3 KH |
73 | current_kboard->kbd_macro_bufsize = 30; |
74 | current_kboard->kbd_macro_buffer | |
9e7c370a | 75 | = (Lisp_Object *)xmalloc (30 * sizeof (Lisp_Object)); |
8b97da83 | 76 | } |
5a7f5d07 | 77 | update_mode_lines++; |
265a9e55 | 78 | if (NILP (append)) |
5a7f5d07 | 79 | { |
9e7c370a KH |
80 | if (current_kboard->kbd_macro_bufsize > 200) |
81 | { | |
82 | current_kboard->kbd_macro_bufsize = 30; | |
83 | current_kboard->kbd_macro_buffer | |
96a60349 KH |
84 | = (Lisp_Object *)xrealloc (current_kboard->kbd_macro_buffer, |
85 | 30 * sizeof (Lisp_Object)); | |
9e7c370a | 86 | } |
cd8b5aa3 KH |
87 | current_kboard->kbd_macro_ptr = current_kboard->kbd_macro_buffer; |
88 | current_kboard->kbd_macro_end = current_kboard->kbd_macro_buffer; | |
9e7c370a | 89 | message ("Defining kbd macro..."); |
5a7f5d07 JB |
90 | } |
91 | else | |
92 | { | |
f84db7d5 RS |
93 | int i, len; |
94 | ||
95 | /* Check the type of last-kbd-macro in case Lisp code changed it. */ | |
96 | if (!STRINGP (current_kboard->Vlast_kbd_macro) | |
97 | && !VECTORP (current_kboard->Vlast_kbd_macro)) | |
98 | current_kboard->Vlast_kbd_macro | |
99 | = wrong_type_argument (Qarrayp, current_kboard->Vlast_kbd_macro); | |
100 | ||
101 | len = XINT (Flength (current_kboard->Vlast_kbd_macro)); | |
102 | ||
103 | /* Copy last-kbd-macro into the buffer, in case the Lisp code | |
104 | has put another macro there. */ | |
105 | if (current_kboard->kbd_macro_bufsize < len + 30) | |
106 | { | |
107 | current_kboard->kbd_macro_bufsize = len + 30; | |
108 | current_kboard->kbd_macro_buffer | |
109 | = (Lisp_Object *)xrealloc (current_kboard->kbd_macro_buffer, | |
110 | (len + 30) * sizeof (Lisp_Object)); | |
111 | } | |
112 | for (i = 0; i < len; i++) | |
113 | current_kboard->kbd_macro_buffer[i] | |
114 | = Faref (current_kboard->Vlast_kbd_macro, make_number (i)); | |
115 | ||
116 | current_kboard->kbd_macro_ptr = current_kboard->kbd_macro_buffer + len; | |
117 | current_kboard->kbd_macro_end = current_kboard->kbd_macro_ptr; | |
118 | ||
119 | /* Re-execute the macro we are appending to, | |
120 | for consistency of behavior. */ | |
cd8b5aa3 | 121 | Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, |
9e1ffae2 | 122 | make_number (1)); |
f84db7d5 RS |
123 | |
124 | message ("Appending to kbd macro..."); | |
5a7f5d07 | 125 | } |
cd8b5aa3 | 126 | current_kboard->defining_kbd_macro = Qt; |
5a7f5d07 JB |
127 | |
128 | return Qnil; | |
129 | } | |
130 | ||
131 | DEFUN ("end-kbd-macro", Fend_kbd_macro, Send_kbd_macro, 0, 1, "p", | |
132 | "Finish defining a keyboard macro.\n\ | |
133 | The definition was started by \\[start-kbd-macro].\n\ | |
134 | The macro is now available for use via \\[call-last-kbd-macro],\n\ | |
135 | or it can be given a name with \\[name-last-kbd-macro] and then invoked\n\ | |
136 | under that name.\n\ | |
137 | \n\ | |
138 | With numeric arg, repeat macro now that many times,\n\ | |
139 | counting the definition just completed as the first repetition.\n\ | |
140 | An argument of zero means repeat until error.") | |
86a3ca5e EN |
141 | (repeat) |
142 | Lisp_Object repeat; | |
5a7f5d07 | 143 | { |
cd8b5aa3 | 144 | if (NILP (current_kboard->defining_kbd_macro)) |
d86ad277 | 145 | error ("Not defining kbd macro"); |
5a7f5d07 | 146 | |
86a3ca5e EN |
147 | if (NILP (repeat)) |
148 | XSETFASTINT (repeat, 1); | |
5a7f5d07 | 149 | else |
b7826503 | 150 | CHECK_NUMBER (repeat); |
5a7f5d07 | 151 | |
cd8b5aa3 | 152 | if (!NILP (current_kboard->defining_kbd_macro)) |
5a7f5d07 | 153 | { |
cd8b5aa3 | 154 | current_kboard->defining_kbd_macro = Qnil; |
5a7f5d07 | 155 | update_mode_lines++; |
cd8b5aa3 KH |
156 | current_kboard->Vlast_kbd_macro |
157 | = make_event_array ((current_kboard->kbd_macro_end | |
158 | - current_kboard->kbd_macro_buffer), | |
159 | current_kboard->kbd_macro_buffer); | |
9e7c370a | 160 | message ("Keyboard macro defined"); |
5a7f5d07 JB |
161 | } |
162 | ||
86a3ca5e EN |
163 | if (XFASTINT (repeat) == 0) |
164 | Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, repeat); | |
5a7f5d07 JB |
165 | else |
166 | { | |
86a3ca5e EN |
167 | XSETINT (repeat, XINT (repeat)-1); |
168 | if (XINT (repeat) > 0) | |
169 | Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, repeat); | |
5a7f5d07 JB |
170 | } |
171 | return Qnil; | |
172 | } | |
173 | ||
174 | /* Store character c into kbd macro being defined */ | |
175 | ||
c3fd8dd5 | 176 | void |
5a7f5d07 JB |
177 | store_kbd_macro_char (c) |
178 | Lisp_Object c; | |
179 | { | |
08e1d6df GM |
180 | struct kboard *kb = current_kboard; |
181 | ||
182 | if (!NILP (kb->defining_kbd_macro)) | |
5a7f5d07 | 183 | { |
08e1d6df | 184 | if (kb->kbd_macro_ptr - kb->kbd_macro_buffer == kb->kbd_macro_bufsize) |
5a7f5d07 | 185 | { |
08e1d6df GM |
186 | int ptr_offset, end_offset, nbytes; |
187 | ||
188 | ptr_offset = kb->kbd_macro_ptr - kb->kbd_macro_buffer; | |
189 | end_offset = kb->kbd_macro_end - kb->kbd_macro_buffer; | |
190 | kb->kbd_macro_bufsize *= 2; | |
191 | nbytes = kb->kbd_macro_bufsize * sizeof *kb->kbd_macro_buffer; | |
192 | kb->kbd_macro_buffer | |
193 | = (Lisp_Object *) xrealloc (kb->kbd_macro_buffer, nbytes); | |
194 | kb->kbd_macro_ptr = kb->kbd_macro_buffer + ptr_offset; | |
195 | kb->kbd_macro_end = kb->kbd_macro_buffer + end_offset; | |
5a7f5d07 | 196 | } |
23751e25 | 197 | |
08e1d6df | 198 | *kb->kbd_macro_ptr++ = c; |
5a7f5d07 JB |
199 | } |
200 | } | |
201 | ||
202 | /* Declare that all chars stored so far in the kbd macro being defined | |
203 | really belong to it. This is done in between editor commands. */ | |
204 | ||
c3fd8dd5 | 205 | void |
5a7f5d07 JB |
206 | finalize_kbd_macro_chars () |
207 | { | |
cd8b5aa3 | 208 | current_kboard->kbd_macro_end = current_kboard->kbd_macro_ptr; |
5a7f5d07 | 209 | } |
199afd29 RS |
210 | |
211 | DEFUN ("cancel-kbd-macro-events", Fcancel_kbd_macro_events, | |
212 | Scancel_kbd_macro_events, 0, 0, 0, | |
213 | "Cancel the events added to a keyboard macro for this command.") | |
214 | () | |
215 | { | |
216 | current_kboard->kbd_macro_ptr = current_kboard->kbd_macro_end; | |
6bbd7a29 | 217 | return Qnil; |
199afd29 | 218 | } |
2d5f65a9 KH |
219 | |
220 | DEFUN ("store-kbd-macro-event", Fstore_kbd_macro_event, | |
221 | Sstore_kbd_macro_event, 1, 1, 0, | |
222 | "Store EVENT into the keyboard macro being defined.") | |
223 | (event) | |
224 | Lisp_Object event; | |
225 | { | |
226 | store_kbd_macro_char (event); | |
227 | return Qnil; | |
228 | } | |
5a7f5d07 JB |
229 | \f |
230 | DEFUN ("call-last-kbd-macro", Fcall_last_kbd_macro, Scall_last_kbd_macro, | |
231 | 0, 1, "p", | |
232 | "Call the last keyboard macro that you defined with \\[start-kbd-macro].\n\ | |
233 | \n\ | |
234 | A prefix argument serves as a repeat count. Zero means repeat until error.\n\ | |
235 | \n\ | |
236 | To make a macro permanent so you can call it even after\n\ | |
237 | defining others, use \\[name-last-kbd-macro].") | |
238 | (prefix) | |
239 | Lisp_Object prefix; | |
240 | { | |
4315204e RS |
241 | /* Don't interfere with recognition of the previous command |
242 | from before this macro started. */ | |
14a18790 | 243 | Vthis_command = current_kboard->Vlast_command; |
80184dac KH |
244 | /* C-x z after the macro should repeat the macro. */ |
245 | real_this_command = current_kboard->Vlast_kbd_macro; | |
4315204e | 246 | |
cd8b5aa3 | 247 | if (! NILP (current_kboard->defining_kbd_macro)) |
5a7f5d07 | 248 | error ("Can't execute anonymous macro while defining one"); |
cd8b5aa3 | 249 | else if (NILP (current_kboard->Vlast_kbd_macro)) |
5a7f5d07 JB |
250 | error ("No kbd macro has been defined"); |
251 | else | |
cd8b5aa3 | 252 | Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, prefix); |
4315204e RS |
253 | |
254 | /* command_loop_1 sets this to nil before it returns; | |
255 | get back the last command within the macro | |
256 | so that it can be last, again, after we return. */ | |
14a18790 | 257 | Vthis_command = current_kboard->Vlast_command; |
4315204e | 258 | |
5a7f5d07 JB |
259 | return Qnil; |
260 | } | |
261 | ||
262 | /* Restore Vexecuting_macro and executing_macro_index - called when | |
263 | the unwind-protect in Fexecute_kbd_macro gets invoked. */ | |
d4087e06 | 264 | |
5a7f5d07 JB |
265 | static Lisp_Object |
266 | pop_kbd_macro (info) | |
267 | Lisp_Object info; | |
268 | { | |
269 | Lisp_Object tem; | |
80184dac KH |
270 | Vexecuting_macro = XCAR (info); |
271 | tem = XCDR (info); | |
272 | executing_macro_index = XINT (XCAR (tem)); | |
273 | real_this_command = XCDR (tem); | |
2136b408 | 274 | Frun_hooks (1, &Qkbd_macro_termination_hook); |
5a7f5d07 JB |
275 | return Qnil; |
276 | } | |
277 | ||
278 | DEFUN ("execute-kbd-macro", Fexecute_kbd_macro, Sexecute_kbd_macro, 1, 2, 0, | |
279 | "Execute MACRO as string of editor command characters.\n\ | |
280 | If MACRO is a symbol, its function definition is used.\n\ | |
281 | COUNT is a repeat count, or nil for once, or 0 for infinite loop.") | |
86a3ca5e EN |
282 | (macro, count) |
283 | Lisp_Object macro, count; | |
5a7f5d07 JB |
284 | { |
285 | Lisp_Object final; | |
286 | Lisp_Object tem; | |
52d9c145 | 287 | int pdlcount = specpdl_ptr - specpdl; |
5a7f5d07 JB |
288 | int repeat = 1; |
289 | struct gcpro gcpro1; | |
d4087e06 | 290 | int success_count = 0; |
5a7f5d07 | 291 | |
4b7da890 KH |
292 | executing_macro_iterations = 0; |
293 | ||
1c8c5693 EN |
294 | if (!NILP (count)) |
295 | { | |
296 | count = Fprefix_numeric_value (count); | |
297 | repeat = XINT (count); | |
298 | } | |
5a7f5d07 | 299 | |
502ddf23 | 300 | final = indirect_function (macro); |
65346ae6 | 301 | if (!STRINGP (final) && !VECTORP (final)) |
d86ad277 | 302 | error ("Keyboard macros must be strings or vectors"); |
5a7f5d07 | 303 | |
80184dac KH |
304 | tem = Fcons (Vexecuting_macro, |
305 | Fcons (make_number (executing_macro_index), | |
306 | real_this_command)); | |
5a7f5d07 JB |
307 | record_unwind_protect (pop_kbd_macro, tem); |
308 | ||
309 | GCPRO1 (final); | |
310 | do | |
311 | { | |
312 | Vexecuting_macro = final; | |
d4087e06 | 313 | executing_macro = final; |
5a7f5d07 JB |
314 | executing_macro_index = 0; |
315 | ||
04609ce4 | 316 | current_kboard->Vprefix_arg = Qnil; |
5a7f5d07 | 317 | command_loop_1 (); |
e86f81cc | 318 | |
d4087e06 RS |
319 | executing_macro_iterations = ++success_count; |
320 | ||
e86f81cc | 321 | QUIT; |
5a7f5d07 | 322 | } |
65346ae6 KH |
323 | while (--repeat |
324 | && (STRINGP (Vexecuting_macro) || VECTORP (Vexecuting_macro))); | |
5a7f5d07 | 325 | |
d4087e06 RS |
326 | executing_macro = Qnil; |
327 | ||
b80d5655 RS |
328 | real_this_command = Vexecuting_macro; |
329 | ||
5a7f5d07 | 330 | UNGCPRO; |
52d9c145 | 331 | return unbind_to (pdlcount, Qnil); |
5a7f5d07 JB |
332 | } |
333 | \f | |
c3fd8dd5 | 334 | void |
5a7f5d07 JB |
335 | init_macros () |
336 | { | |
5a7f5d07 | 337 | Vexecuting_macro = Qnil; |
1ab778be | 338 | executing_macro = Qnil; |
5a7f5d07 JB |
339 | } |
340 | ||
c3fd8dd5 | 341 | void |
5a7f5d07 JB |
342 | syms_of_macros () |
343 | { | |
5a7f5d07 JB |
344 | Qexecute_kbd_macro = intern ("execute-kbd-macro"); |
345 | staticpro (&Qexecute_kbd_macro); | |
2136b408 GM |
346 | Qkbd_macro_termination_hook = intern ("kbd-macro-termination-hook"); |
347 | staticpro (&Qkbd_macro_termination_hook); | |
5a7f5d07 JB |
348 | |
349 | defsubr (&Sstart_kbd_macro); | |
350 | defsubr (&Send_kbd_macro); | |
351 | defsubr (&Scall_last_kbd_macro); | |
352 | defsubr (&Sexecute_kbd_macro); | |
199afd29 | 353 | defsubr (&Scancel_kbd_macro_events); |
2d5f65a9 | 354 | defsubr (&Sstore_kbd_macro_event); |
5a7f5d07 | 355 | |
cd8b5aa3 | 356 | DEFVAR_KBOARD ("defining-kbd-macro", defining_kbd_macro, |
5a7f5d07 JB |
357 | "Non-nil while a keyboard macro is being defined. Don't set this!"); |
358 | ||
359 | DEFVAR_LISP ("executing-macro", &Vexecuting_macro, | |
9e1ffae2 | 360 | "Currently executing keyboard macro (string or vector); nil if none executing."); |
5a7f5d07 JB |
361 | |
362 | DEFVAR_LISP_NOPRO ("executing-kbd-macro", &Vexecuting_macro, | |
9e1ffae2 | 363 | "Currently executing keyboard macro (string or vector); nil if none executing."); |
5a7f5d07 | 364 | |
cd8b5aa3 | 365 | DEFVAR_KBOARD ("last-kbd-macro", Vlast_kbd_macro, |
9e1ffae2 | 366 | "Last kbd macro defined, as a string or vector; nil if none defined."); |
5a7f5d07 | 367 | } |