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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 | ||
5a7f5d07 JB |
32 | Lisp_Object Vexecuting_macro; |
33 | int executing_macro_index; | |
34 | ||
35 | Lisp_Object Fexecute_kbd_macro (); | |
36 | \f | |
37 | DEFUN ("start-kbd-macro", Fstart_kbd_macro, Sstart_kbd_macro, 1, 1, "P", | |
38 | "Record subsequent keyboard input, defining a keyboard macro.\n\ | |
39 | The commands are recorded even as they are executed.\n\ | |
40 | Use \\[end-kbd-macro] to finish recording and make the macro available.\n\ | |
41 | Use \\[name-last-kbd-macro] to give it a permanent name.\n\ | |
42 | Non-nil arg (prefix arg) means append to last macro defined;\n\ | |
43 | This begins by re-executing that macro as if you typed it again.") | |
44 | (append) | |
45 | Lisp_Object append; | |
46 | { | |
cd8b5aa3 | 47 | if (!NILP (current_kboard->defining_kbd_macro)) |
5a7f5d07 JB |
48 | error ("Already defining kbd macro"); |
49 | ||
cd8b5aa3 | 50 | if (!current_kboard->kbd_macro_buffer) |
8b97da83 | 51 | { |
cd8b5aa3 KH |
52 | current_kboard->kbd_macro_bufsize = 30; |
53 | current_kboard->kbd_macro_buffer | |
9e7c370a | 54 | = (Lisp_Object *)xmalloc (30 * sizeof (Lisp_Object)); |
8b97da83 | 55 | } |
5a7f5d07 | 56 | update_mode_lines++; |
265a9e55 | 57 | if (NILP (append)) |
5a7f5d07 | 58 | { |
9e7c370a KH |
59 | if (current_kboard->kbd_macro_bufsize > 200) |
60 | { | |
61 | current_kboard->kbd_macro_bufsize = 30; | |
62 | current_kboard->kbd_macro_buffer | |
96a60349 KH |
63 | = (Lisp_Object *)xrealloc (current_kboard->kbd_macro_buffer, |
64 | 30 * sizeof (Lisp_Object)); | |
9e7c370a | 65 | } |
cd8b5aa3 KH |
66 | current_kboard->kbd_macro_ptr = current_kboard->kbd_macro_buffer; |
67 | current_kboard->kbd_macro_end = current_kboard->kbd_macro_buffer; | |
9e7c370a | 68 | message ("Defining kbd macro..."); |
5a7f5d07 JB |
69 | } |
70 | else | |
71 | { | |
9e7c370a | 72 | message ("Appending to kbd macro..."); |
cd8b5aa3 KH |
73 | current_kboard->kbd_macro_ptr = current_kboard->kbd_macro_end; |
74 | Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, | |
9e1ffae2 | 75 | make_number (1)); |
5a7f5d07 | 76 | } |
cd8b5aa3 | 77 | current_kboard->defining_kbd_macro = Qt; |
5a7f5d07 JB |
78 | |
79 | return Qnil; | |
80 | } | |
81 | ||
82 | DEFUN ("end-kbd-macro", Fend_kbd_macro, Send_kbd_macro, 0, 1, "p", | |
83 | "Finish defining a keyboard macro.\n\ | |
84 | The definition was started by \\[start-kbd-macro].\n\ | |
85 | The macro is now available for use via \\[call-last-kbd-macro],\n\ | |
86 | or it can be given a name with \\[name-last-kbd-macro] and then invoked\n\ | |
87 | under that name.\n\ | |
88 | \n\ | |
89 | With numeric arg, repeat macro now that many times,\n\ | |
90 | counting the definition just completed as the first repetition.\n\ | |
91 | An argument of zero means repeat until error.") | |
86a3ca5e EN |
92 | (repeat) |
93 | Lisp_Object repeat; | |
5a7f5d07 | 94 | { |
cd8b5aa3 KH |
95 | if (NILP (current_kboard->defining_kbd_macro)) |
96 | error ("Not defining kbd macro."); | |
5a7f5d07 | 97 | |
86a3ca5e EN |
98 | if (NILP (repeat)) |
99 | XSETFASTINT (repeat, 1); | |
5a7f5d07 | 100 | else |
86a3ca5e | 101 | CHECK_NUMBER (repeat, 0); |
5a7f5d07 | 102 | |
cd8b5aa3 | 103 | if (!NILP (current_kboard->defining_kbd_macro)) |
5a7f5d07 | 104 | { |
cd8b5aa3 | 105 | current_kboard->defining_kbd_macro = Qnil; |
5a7f5d07 | 106 | update_mode_lines++; |
cd8b5aa3 KH |
107 | current_kboard->Vlast_kbd_macro |
108 | = make_event_array ((current_kboard->kbd_macro_end | |
109 | - current_kboard->kbd_macro_buffer), | |
110 | current_kboard->kbd_macro_buffer); | |
9e7c370a | 111 | message ("Keyboard macro defined"); |
5a7f5d07 JB |
112 | } |
113 | ||
86a3ca5e EN |
114 | if (XFASTINT (repeat) == 0) |
115 | Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, repeat); | |
5a7f5d07 JB |
116 | else |
117 | { | |
86a3ca5e EN |
118 | XSETINT (repeat, XINT (repeat)-1); |
119 | if (XINT (repeat) > 0) | |
120 | Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, repeat); | |
5a7f5d07 JB |
121 | } |
122 | return Qnil; | |
123 | } | |
124 | ||
125 | /* Store character c into kbd macro being defined */ | |
126 | ||
127 | store_kbd_macro_char (c) | |
128 | Lisp_Object c; | |
129 | { | |
cd8b5aa3 | 130 | if (!NILP (current_kboard->defining_kbd_macro)) |
5a7f5d07 | 131 | { |
cd8b5aa3 KH |
132 | if ((current_kboard->kbd_macro_ptr |
133 | - current_kboard->kbd_macro_buffer) | |
134 | == current_kboard->kbd_macro_bufsize) | |
5a7f5d07 | 135 | { |
8b97da83 | 136 | register Lisp_Object *new; |
cd8b5aa3 KH |
137 | current_kboard->kbd_macro_bufsize *= 2; |
138 | new = (Lisp_Object *)xrealloc (current_kboard->kbd_macro_buffer, | |
139 | (current_kboard->kbd_macro_bufsize | |
8b97da83 | 140 | * sizeof (Lisp_Object))); |
cd8b5aa3 KH |
141 | current_kboard->kbd_macro_ptr |
142 | += new - current_kboard->kbd_macro_buffer; | |
143 | current_kboard->kbd_macro_end | |
144 | += new - current_kboard->kbd_macro_buffer; | |
145 | current_kboard->kbd_macro_buffer = new; | |
5a7f5d07 | 146 | } |
cd8b5aa3 | 147 | *current_kboard->kbd_macro_ptr++ = c; |
5a7f5d07 JB |
148 | } |
149 | } | |
150 | ||
151 | /* Declare that all chars stored so far in the kbd macro being defined | |
152 | really belong to it. This is done in between editor commands. */ | |
153 | ||
154 | finalize_kbd_macro_chars () | |
155 | { | |
cd8b5aa3 | 156 | current_kboard->kbd_macro_end = current_kboard->kbd_macro_ptr; |
5a7f5d07 | 157 | } |
199afd29 RS |
158 | |
159 | DEFUN ("cancel-kbd-macro-events", Fcancel_kbd_macro_events, | |
160 | Scancel_kbd_macro_events, 0, 0, 0, | |
161 | "Cancel the events added to a keyboard macro for this command.") | |
162 | () | |
163 | { | |
164 | current_kboard->kbd_macro_ptr = current_kboard->kbd_macro_end; | |
165 | } | |
2d5f65a9 KH |
166 | |
167 | DEFUN ("store-kbd-macro-event", Fstore_kbd_macro_event, | |
168 | Sstore_kbd_macro_event, 1, 1, 0, | |
169 | "Store EVENT into the keyboard macro being defined.") | |
170 | (event) | |
171 | Lisp_Object event; | |
172 | { | |
173 | store_kbd_macro_char (event); | |
174 | return Qnil; | |
175 | } | |
5a7f5d07 JB |
176 | \f |
177 | DEFUN ("call-last-kbd-macro", Fcall_last_kbd_macro, Scall_last_kbd_macro, | |
178 | 0, 1, "p", | |
179 | "Call the last keyboard macro that you defined with \\[start-kbd-macro].\n\ | |
180 | \n\ | |
181 | A prefix argument serves as a repeat count. Zero means repeat until error.\n\ | |
182 | \n\ | |
183 | To make a macro permanent so you can call it even after\n\ | |
184 | defining others, use \\[name-last-kbd-macro].") | |
185 | (prefix) | |
186 | Lisp_Object prefix; | |
187 | { | |
cd8b5aa3 | 188 | if (! NILP (current_kboard->defining_kbd_macro)) |
5a7f5d07 | 189 | error ("Can't execute anonymous macro while defining one"); |
cd8b5aa3 | 190 | else if (NILP (current_kboard->Vlast_kbd_macro)) |
5a7f5d07 JB |
191 | error ("No kbd macro has been defined"); |
192 | else | |
cd8b5aa3 | 193 | Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, prefix); |
5a7f5d07 JB |
194 | return Qnil; |
195 | } | |
196 | ||
197 | /* Restore Vexecuting_macro and executing_macro_index - called when | |
198 | the unwind-protect in Fexecute_kbd_macro gets invoked. */ | |
199 | static Lisp_Object | |
200 | pop_kbd_macro (info) | |
201 | Lisp_Object info; | |
202 | { | |
203 | Lisp_Object tem; | |
204 | Vexecuting_macro = Fcar (info); | |
205 | tem = Fcdr (info); | |
206 | executing_macro_index = XINT (tem); | |
207 | return Qnil; | |
208 | } | |
209 | ||
210 | DEFUN ("execute-kbd-macro", Fexecute_kbd_macro, Sexecute_kbd_macro, 1, 2, 0, | |
211 | "Execute MACRO as string of editor command characters.\n\ | |
212 | If MACRO is a symbol, its function definition is used.\n\ | |
213 | COUNT is a repeat count, or nil for once, or 0 for infinite loop.") | |
86a3ca5e EN |
214 | (macro, count) |
215 | Lisp_Object macro, count; | |
5a7f5d07 JB |
216 | { |
217 | Lisp_Object final; | |
218 | Lisp_Object tem; | |
52d9c145 | 219 | int pdlcount = specpdl_ptr - specpdl; |
5a7f5d07 JB |
220 | int repeat = 1; |
221 | struct gcpro gcpro1; | |
222 | ||
1c8c5693 EN |
223 | if (!NILP (count)) |
224 | { | |
225 | count = Fprefix_numeric_value (count); | |
226 | repeat = XINT (count); | |
227 | } | |
5a7f5d07 | 228 | |
502ddf23 | 229 | final = indirect_function (macro); |
65346ae6 | 230 | if (!STRINGP (final) && !VECTORP (final)) |
5a7f5d07 JB |
231 | error ("Keyboard macros must be strings or vectors."); |
232 | ||
a4773b43 | 233 | XSETFASTINT (tem, executing_macro_index); |
5a7f5d07 JB |
234 | tem = Fcons (Vexecuting_macro, tem); |
235 | record_unwind_protect (pop_kbd_macro, tem); | |
236 | ||
237 | GCPRO1 (final); | |
238 | do | |
239 | { | |
240 | Vexecuting_macro = final; | |
241 | executing_macro_index = 0; | |
242 | ||
04609ce4 | 243 | current_kboard->Vprefix_arg = Qnil; |
5a7f5d07 | 244 | command_loop_1 (); |
e86f81cc JB |
245 | |
246 | QUIT; | |
5a7f5d07 | 247 | } |
65346ae6 KH |
248 | while (--repeat |
249 | && (STRINGP (Vexecuting_macro) || VECTORP (Vexecuting_macro))); | |
5a7f5d07 JB |
250 | |
251 | UNGCPRO; | |
52d9c145 | 252 | return unbind_to (pdlcount, Qnil); |
5a7f5d07 JB |
253 | } |
254 | \f | |
255 | init_macros () | |
256 | { | |
5a7f5d07 JB |
257 | Vexecuting_macro = Qnil; |
258 | } | |
259 | ||
260 | syms_of_macros () | |
261 | { | |
5a7f5d07 JB |
262 | Qexecute_kbd_macro = intern ("execute-kbd-macro"); |
263 | staticpro (&Qexecute_kbd_macro); | |
264 | ||
265 | defsubr (&Sstart_kbd_macro); | |
266 | defsubr (&Send_kbd_macro); | |
267 | defsubr (&Scall_last_kbd_macro); | |
268 | defsubr (&Sexecute_kbd_macro); | |
199afd29 | 269 | defsubr (&Scancel_kbd_macro_events); |
2d5f65a9 | 270 | defsubr (&Sstore_kbd_macro_event); |
5a7f5d07 | 271 | |
cd8b5aa3 | 272 | DEFVAR_KBOARD ("defining-kbd-macro", defining_kbd_macro, |
5a7f5d07 JB |
273 | "Non-nil while a keyboard macro is being defined. Don't set this!"); |
274 | ||
275 | DEFVAR_LISP ("executing-macro", &Vexecuting_macro, | |
9e1ffae2 | 276 | "Currently executing keyboard macro (string or vector); nil if none executing."); |
5a7f5d07 JB |
277 | |
278 | DEFVAR_LISP_NOPRO ("executing-kbd-macro", &Vexecuting_macro, | |
9e1ffae2 | 279 | "Currently executing keyboard macro (string or vector); nil if none executing."); |
5a7f5d07 | 280 | |
cd8b5aa3 | 281 | DEFVAR_KBOARD ("last-kbd-macro", Vlast_kbd_macro, |
9e1ffae2 | 282 | "Last kbd macro defined, as a string or vector; nil if none defined."); |
5a7f5d07 JB |
283 | } |
284 | ||
285 | keys_of_macros () | |
286 | { | |
287 | initial_define_key (control_x_map, ('e'), "call-last-kbd-macro"); | |
288 | initial_define_key (control_x_map, ('('), "start-kbd-macro"); | |
289 | initial_define_key (control_x_map, (')'), "end-kbd-macro"); | |
290 | } |