Commit | Line | Data |
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5a7f5d07 | 1 | /* Keyboard macros. |
c6c5df7f | 2 | Copyright (C) 1985, 1986, 1993 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 JB |
29 | |
30 | Lisp_Object Qexecute_kbd_macro; | |
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\ | |
64 | This begins by re-executing that macro as if you typed it again.") | |
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 | { | |
9e7c370a | 93 | message ("Appending to kbd macro..."); |
cd8b5aa3 KH |
94 | current_kboard->kbd_macro_ptr = current_kboard->kbd_macro_end; |
95 | Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, | |
9e1ffae2 | 96 | make_number (1)); |
5a7f5d07 | 97 | } |
cd8b5aa3 | 98 | current_kboard->defining_kbd_macro = Qt; |
5a7f5d07 JB |
99 | |
100 | return Qnil; | |
101 | } | |
102 | ||
103 | DEFUN ("end-kbd-macro", Fend_kbd_macro, Send_kbd_macro, 0, 1, "p", | |
104 | "Finish defining a keyboard macro.\n\ | |
105 | The definition was started by \\[start-kbd-macro].\n\ | |
106 | The macro is now available for use via \\[call-last-kbd-macro],\n\ | |
107 | or it can be given a name with \\[name-last-kbd-macro] and then invoked\n\ | |
108 | under that name.\n\ | |
109 | \n\ | |
110 | With numeric arg, repeat macro now that many times,\n\ | |
111 | counting the definition just completed as the first repetition.\n\ | |
112 | An argument of zero means repeat until error.") | |
86a3ca5e EN |
113 | (repeat) |
114 | Lisp_Object repeat; | |
5a7f5d07 | 115 | { |
cd8b5aa3 | 116 | if (NILP (current_kboard->defining_kbd_macro)) |
d86ad277 | 117 | error ("Not defining kbd macro"); |
5a7f5d07 | 118 | |
86a3ca5e EN |
119 | if (NILP (repeat)) |
120 | XSETFASTINT (repeat, 1); | |
5a7f5d07 | 121 | else |
86a3ca5e | 122 | CHECK_NUMBER (repeat, 0); |
5a7f5d07 | 123 | |
cd8b5aa3 | 124 | if (!NILP (current_kboard->defining_kbd_macro)) |
5a7f5d07 | 125 | { |
cd8b5aa3 | 126 | current_kboard->defining_kbd_macro = Qnil; |
5a7f5d07 | 127 | update_mode_lines++; |
cd8b5aa3 KH |
128 | current_kboard->Vlast_kbd_macro |
129 | = make_event_array ((current_kboard->kbd_macro_end | |
130 | - current_kboard->kbd_macro_buffer), | |
131 | current_kboard->kbd_macro_buffer); | |
9e7c370a | 132 | message ("Keyboard macro defined"); |
5a7f5d07 JB |
133 | } |
134 | ||
86a3ca5e EN |
135 | if (XFASTINT (repeat) == 0) |
136 | Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, repeat); | |
5a7f5d07 JB |
137 | else |
138 | { | |
86a3ca5e EN |
139 | XSETINT (repeat, XINT (repeat)-1); |
140 | if (XINT (repeat) > 0) | |
141 | Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, repeat); | |
5a7f5d07 JB |
142 | } |
143 | return Qnil; | |
144 | } | |
145 | ||
146 | /* Store character c into kbd macro being defined */ | |
147 | ||
c3fd8dd5 | 148 | void |
5a7f5d07 JB |
149 | store_kbd_macro_char (c) |
150 | Lisp_Object c; | |
151 | { | |
cd8b5aa3 | 152 | if (!NILP (current_kboard->defining_kbd_macro)) |
5a7f5d07 | 153 | { |
cd8b5aa3 KH |
154 | if ((current_kboard->kbd_macro_ptr |
155 | - current_kboard->kbd_macro_buffer) | |
156 | == current_kboard->kbd_macro_bufsize) | |
5a7f5d07 | 157 | { |
8b97da83 | 158 | register Lisp_Object *new; |
cd8b5aa3 KH |
159 | current_kboard->kbd_macro_bufsize *= 2; |
160 | new = (Lisp_Object *)xrealloc (current_kboard->kbd_macro_buffer, | |
161 | (current_kboard->kbd_macro_bufsize | |
8b97da83 | 162 | * sizeof (Lisp_Object))); |
cd8b5aa3 KH |
163 | current_kboard->kbd_macro_ptr |
164 | += new - current_kboard->kbd_macro_buffer; | |
165 | current_kboard->kbd_macro_end | |
166 | += new - current_kboard->kbd_macro_buffer; | |
167 | current_kboard->kbd_macro_buffer = new; | |
5a7f5d07 | 168 | } |
cd8b5aa3 | 169 | *current_kboard->kbd_macro_ptr++ = c; |
5a7f5d07 JB |
170 | } |
171 | } | |
172 | ||
173 | /* Declare that all chars stored so far in the kbd macro being defined | |
174 | really belong to it. This is done in between editor commands. */ | |
175 | ||
c3fd8dd5 | 176 | void |
5a7f5d07 JB |
177 | finalize_kbd_macro_chars () |
178 | { | |
cd8b5aa3 | 179 | current_kboard->kbd_macro_end = current_kboard->kbd_macro_ptr; |
5a7f5d07 | 180 | } |
199afd29 RS |
181 | |
182 | DEFUN ("cancel-kbd-macro-events", Fcancel_kbd_macro_events, | |
183 | Scancel_kbd_macro_events, 0, 0, 0, | |
184 | "Cancel the events added to a keyboard macro for this command.") | |
185 | () | |
186 | { | |
187 | current_kboard->kbd_macro_ptr = current_kboard->kbd_macro_end; | |
188 | } | |
2d5f65a9 KH |
189 | |
190 | DEFUN ("store-kbd-macro-event", Fstore_kbd_macro_event, | |
191 | Sstore_kbd_macro_event, 1, 1, 0, | |
192 | "Store EVENT into the keyboard macro being defined.") | |
193 | (event) | |
194 | Lisp_Object event; | |
195 | { | |
196 | store_kbd_macro_char (event); | |
197 | return Qnil; | |
198 | } | |
5a7f5d07 JB |
199 | \f |
200 | DEFUN ("call-last-kbd-macro", Fcall_last_kbd_macro, Scall_last_kbd_macro, | |
201 | 0, 1, "p", | |
202 | "Call the last keyboard macro that you defined with \\[start-kbd-macro].\n\ | |
203 | \n\ | |
204 | A prefix argument serves as a repeat count. Zero means repeat until error.\n\ | |
205 | \n\ | |
206 | To make a macro permanent so you can call it even after\n\ | |
207 | defining others, use \\[name-last-kbd-macro].") | |
208 | (prefix) | |
209 | Lisp_Object prefix; | |
210 | { | |
4315204e RS |
211 | /* Don't interfere with recognition of the previous command |
212 | from before this macro started. */ | |
14a18790 | 213 | Vthis_command = current_kboard->Vlast_command; |
4315204e | 214 | |
cd8b5aa3 | 215 | if (! NILP (current_kboard->defining_kbd_macro)) |
5a7f5d07 | 216 | error ("Can't execute anonymous macro while defining one"); |
cd8b5aa3 | 217 | else if (NILP (current_kboard->Vlast_kbd_macro)) |
5a7f5d07 JB |
218 | error ("No kbd macro has been defined"); |
219 | else | |
cd8b5aa3 | 220 | Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, prefix); |
4315204e RS |
221 | |
222 | /* command_loop_1 sets this to nil before it returns; | |
223 | get back the last command within the macro | |
224 | so that it can be last, again, after we return. */ | |
14a18790 | 225 | Vthis_command = current_kboard->Vlast_command; |
4315204e | 226 | |
5a7f5d07 JB |
227 | return Qnil; |
228 | } | |
229 | ||
230 | /* Restore Vexecuting_macro and executing_macro_index - called when | |
231 | the unwind-protect in Fexecute_kbd_macro gets invoked. */ | |
d4087e06 | 232 | |
5a7f5d07 JB |
233 | static Lisp_Object |
234 | pop_kbd_macro (info) | |
235 | Lisp_Object info; | |
236 | { | |
237 | Lisp_Object tem; | |
238 | Vexecuting_macro = Fcar (info); | |
239 | tem = Fcdr (info); | |
240 | executing_macro_index = XINT (tem); | |
241 | return Qnil; | |
242 | } | |
243 | ||
244 | DEFUN ("execute-kbd-macro", Fexecute_kbd_macro, Sexecute_kbd_macro, 1, 2, 0, | |
245 | "Execute MACRO as string of editor command characters.\n\ | |
246 | If MACRO is a symbol, its function definition is used.\n\ | |
247 | COUNT is a repeat count, or nil for once, or 0 for infinite loop.") | |
86a3ca5e EN |
248 | (macro, count) |
249 | Lisp_Object macro, count; | |
5a7f5d07 JB |
250 | { |
251 | Lisp_Object final; | |
252 | Lisp_Object tem; | |
52d9c145 | 253 | int pdlcount = specpdl_ptr - specpdl; |
5a7f5d07 JB |
254 | int repeat = 1; |
255 | struct gcpro gcpro1; | |
d4087e06 | 256 | int success_count = 0; |
5a7f5d07 | 257 | |
1c8c5693 EN |
258 | if (!NILP (count)) |
259 | { | |
260 | count = Fprefix_numeric_value (count); | |
261 | repeat = XINT (count); | |
262 | } | |
5a7f5d07 | 263 | |
502ddf23 | 264 | final = indirect_function (macro); |
65346ae6 | 265 | if (!STRINGP (final) && !VECTORP (final)) |
d86ad277 | 266 | error ("Keyboard macros must be strings or vectors"); |
5a7f5d07 | 267 | |
a4773b43 | 268 | XSETFASTINT (tem, executing_macro_index); |
5a7f5d07 JB |
269 | tem = Fcons (Vexecuting_macro, tem); |
270 | record_unwind_protect (pop_kbd_macro, tem); | |
271 | ||
272 | GCPRO1 (final); | |
273 | do | |
274 | { | |
275 | Vexecuting_macro = final; | |
d4087e06 | 276 | executing_macro = final; |
5a7f5d07 JB |
277 | executing_macro_index = 0; |
278 | ||
04609ce4 | 279 | current_kboard->Vprefix_arg = Qnil; |
5a7f5d07 | 280 | command_loop_1 (); |
e86f81cc | 281 | |
d4087e06 RS |
282 | executing_macro_iterations = ++success_count; |
283 | ||
e86f81cc | 284 | QUIT; |
5a7f5d07 | 285 | } |
65346ae6 KH |
286 | while (--repeat |
287 | && (STRINGP (Vexecuting_macro) || VECTORP (Vexecuting_macro))); | |
5a7f5d07 | 288 | |
d4087e06 RS |
289 | executing_macro = Qnil; |
290 | ||
b80d5655 RS |
291 | real_this_command = Vexecuting_macro; |
292 | ||
5a7f5d07 | 293 | UNGCPRO; |
52d9c145 | 294 | return unbind_to (pdlcount, Qnil); |
5a7f5d07 JB |
295 | } |
296 | \f | |
c3fd8dd5 | 297 | void |
5a7f5d07 JB |
298 | init_macros () |
299 | { | |
5a7f5d07 | 300 | Vexecuting_macro = Qnil; |
1ab778be | 301 | executing_macro = Qnil; |
5a7f5d07 JB |
302 | } |
303 | ||
c3fd8dd5 | 304 | void |
5a7f5d07 JB |
305 | syms_of_macros () |
306 | { | |
5a7f5d07 JB |
307 | Qexecute_kbd_macro = intern ("execute-kbd-macro"); |
308 | staticpro (&Qexecute_kbd_macro); | |
309 | ||
310 | defsubr (&Sstart_kbd_macro); | |
311 | defsubr (&Send_kbd_macro); | |
312 | defsubr (&Scall_last_kbd_macro); | |
313 | defsubr (&Sexecute_kbd_macro); | |
199afd29 | 314 | defsubr (&Scancel_kbd_macro_events); |
2d5f65a9 | 315 | defsubr (&Sstore_kbd_macro_event); |
5a7f5d07 | 316 | |
cd8b5aa3 | 317 | DEFVAR_KBOARD ("defining-kbd-macro", defining_kbd_macro, |
5a7f5d07 JB |
318 | "Non-nil while a keyboard macro is being defined. Don't set this!"); |
319 | ||
320 | DEFVAR_LISP ("executing-macro", &Vexecuting_macro, | |
9e1ffae2 | 321 | "Currently executing keyboard macro (string or vector); nil if none executing."); |
5a7f5d07 JB |
322 | |
323 | DEFVAR_LISP_NOPRO ("executing-kbd-macro", &Vexecuting_macro, | |
9e1ffae2 | 324 | "Currently executing keyboard macro (string or vector); nil if none executing."); |
5a7f5d07 | 325 | |
cd8b5aa3 | 326 | DEFVAR_KBOARD ("last-kbd-macro", Vlast_kbd_macro, |
9e1ffae2 | 327 | "Last kbd macro defined, as a string or vector; nil if none defined."); |
5a7f5d07 JB |
328 | } |
329 | ||
c3fd8dd5 | 330 | void |
5a7f5d07 JB |
331 | keys_of_macros () |
332 | { | |
333 | initial_define_key (control_x_map, ('e'), "call-last-kbd-macro"); | |
334 | initial_define_key (control_x_map, ('('), "start-kbd-macro"); | |
335 | initial_define_key (control_x_map, (')'), "end-kbd-macro"); | |
336 | } |