Mercurial > hg > xemacs-beta
annotate src/callint.c @ 5334:b249c479f9e1
Replace some C++ comments with C89-style /* */ comments, mc-alloc.c
2011-01-10 Aidan Kehoe <kehoea@parhasard.net>
* mc-alloc.c (get_used_list_index):
Replace some C++ comments with C-style /* comments.
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Mon, 10 Jan 2011 20:00:57 +0000 |
| parents | 17f7e9191c0b |
| children | 308d34e9f07d |
| rev | line source |
|---|---|
| 428 | 1 /* Call a Lisp function interactively. |
| 2 Copyright (C) 1985, 1986, 1992, 1993, 1994 Free Software Foundation, Inc. | |
| 793 | 3 Copyright (C) 1995, 1996, 2001, 2002 Ben Wing. |
| 428 | 4 |
| 5 This file is part of XEmacs. | |
| 6 | |
| 7 XEmacs is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 9 Free Software Foundation; either version 2, or (at your option) any | |
| 10 later version. | |
| 11 | |
| 12 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 18 along with XEmacs; see the file COPYING. If not, write to | |
| 19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 20 Boston, MA 02111-1307, USA. */ | |
| 21 | |
| 22 /* Synched up with: FSF 19.30, Mule 2.0. */ | |
| 23 | |
| 24 /* Authorship: | |
| 25 | |
| 26 FSF: long ago. | |
| 27 Mly or JWZ: various changes. | |
| 28 */ | |
| 29 | |
| 30 #include <config.h> | |
| 31 #include "lisp.h" | |
| 32 | |
| 33 #include "buffer.h" | |
| 34 #include "bytecode.h" | |
| 35 #include "commands.h" | |
| 36 #include "events.h" | |
| 37 #include "insdel.h" | |
| 872 | 38 #include "window-impl.h" /* WINDOW_MINI_P */ |
| 428 | 39 |
| 1204 | 40 extern Charcount num_input_chars; |
| 428 | 41 |
| 42 Lisp_Object Vcurrent_prefix_arg; | |
| 43 Lisp_Object Qcall_interactively; | |
| 44 Lisp_Object Vcommand_history; | |
| 45 | |
| 46 Lisp_Object Vcommand_debug_status, Qcommand_debug_status; | |
| 47 Lisp_Object Qenable_recursive_minibuffers; | |
| 48 | |
| 49 #if 0 /* FSFmacs */ | |
| 50 /* Non-nil means treat the mark as active | |
| 51 even if mark_active is 0. */ | |
| 52 Lisp_Object Vmark_even_if_inactive; | |
| 53 #endif | |
| 54 | |
| 55 #if 0 /* ill-conceived */ | |
| 444 | 56 /* FSF calls Qmouse_leave_buffer_hook at all sorts of random places, |
| 57 including a bunch of places in their mouse.el. If this is | |
| 58 implemented, it has to be done cleanly. */ | |
| 428 | 59 Lisp_Object Vmouse_leave_buffer_hook, Qmouse_leave_buffer_hook; |
| 60 #endif | |
| 61 | |
| 442 | 62 Lisp_Object QletX, Qsave_excursion; |
| 428 | 63 |
| 64 Lisp_Object Qread_from_minibuffer; | |
| 65 Lisp_Object Qread_file_name; | |
| 66 Lisp_Object Qread_directory_name; | |
| 67 Lisp_Object Qcompleting_read; | |
| 68 Lisp_Object Qread_buffer; | |
| 69 Lisp_Object Qread_function; | |
| 70 Lisp_Object Qread_variable; | |
| 71 Lisp_Object Qread_expression; | |
| 72 Lisp_Object Qread_command; | |
| 73 Lisp_Object Qread_number; | |
| 74 Lisp_Object Qread_string; | |
| 75 Lisp_Object Qevents_to_keys; | |
| 76 | |
| 77 Lisp_Object Qread_coding_system; | |
| 78 Lisp_Object Qread_non_nil_coding_system; | |
| 79 | |
| 80 /* ARGSUSED */ | |
| 81 DEFUN ("interactive", Finteractive, 0, UNEVALLED, 0, /* | |
| 82 Specify a way of parsing arguments for interactive use of a function. | |
| 83 For example, write | |
| 84 (defun foo (arg) "Doc string" (interactive "p") ...use arg...) | |
| 85 to make ARG be the prefix argument when `foo' is called as a command. | |
| 86 The "call" to `interactive' is actually a declaration rather than a function; | |
| 87 it tells `call-interactively' how to read arguments | |
| 88 to pass to the function. | |
|
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89 The interactive form must appear at the top level of the function body. If |
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90 it is wrapped in a `let' or `progn' or similar, Lisp will not even realize |
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91 the function is an interactive command! |
| 428 | 92 When actually called, `interactive' just returns nil. |
| 93 | |
| 94 The argument of `interactive' is usually a string containing a code letter | |
| 95 followed by a prompt. (Some code letters do not use I/O to get | |
| 96 the argument and do not need prompts.) To prompt for multiple arguments, | |
| 97 give a code letter, its prompt, a newline, and another code letter, etc. | |
| 98 Prompts are passed to format, and may use % escapes to print the | |
| 99 arguments that have already been read. | |
| 100 If the argument is not a string, it is evaluated to get a list of | |
| 101 arguments to pass to the function. | |
| 102 Just `(interactive)' means pass no args when calling interactively. | |
| 103 | |
| 104 Code letters available are: | |
| 105 a -- Function name: symbol with a function definition. | |
| 106 b -- Name of existing buffer. | |
| 107 B -- Name of buffer, possibly nonexistent. | |
| 108 c -- Character. | |
| 109 C -- Command name: symbol with interactive function definition. | |
| 110 d -- Value of point as number. Does not do I/O. | |
| 111 D -- Directory name. | |
| 112 e -- Last mouse-button or misc-user event that invoked this command. | |
| 113 If used more than once, the Nth `e' returns the Nth such event. | |
| 114 Does not do I/O. | |
| 115 f -- Existing file name. | |
| 116 F -- Possibly nonexistent file name. | |
| 117 i -- Always nil, ignore. Use to skip arguments when interactive. | |
| 118 k -- Key sequence (a vector of events). | |
| 119 K -- Key sequence to be redefined (do not automatically down-case). | |
| 120 m -- Value of mark as number. Does not do I/O. | |
| 121 n -- Number read using minibuffer. | |
| 122 N -- Prefix arg converted to number, or if none, do like code `n'. | |
| 123 p -- Prefix arg converted to number. Does not do I/O. | |
| 124 P -- Prefix arg in raw form. Does not do I/O. | |
| 125 r -- Region: point and mark as 2 numeric args, smallest first. Does no I/O. | |
| 126 s -- Any string. | |
| 127 S -- Any symbol. | |
| 128 v -- Variable name: symbol that is user-variable-p. | |
| 129 x -- Lisp expression read but not evaluated. | |
| 130 X -- Lisp expression read and evaluated. | |
| 131 z -- Coding system. (Always nil if no Mule support.) | |
| 132 Z -- Coding system, nil if no prefix arg. (Always nil if no Mule support.) | |
| 133 In addition, if the string begins with `*' | |
| 134 then an error is signaled if the buffer is read-only. | |
| 135 This happens before reading any arguments. | |
| 136 If the string begins with `@', then the window the mouse is over is selected | |
| 137 before anything else is done. | |
| 138 If the string begins with `_', then this command will not cause the region | |
| 139 to be deactivated when it completes; that is, `zmacs-region-stays' will be | |
| 140 set to t when the command exits successfully. | |
| 141 You may use any of `@', `*' and `_' at the beginning of the string; | |
| 142 they are processed in the order that they appear. | |
| 502 | 143 |
| 144 | |
| 145 When writing your own interactive spec, it can be useful to know the | |
| 146 equivalent Lisp expressions for the various code letters. They are: | |
| 147 | |
| 148 a -- (read-function "PROMPT") | |
| 149 b -- (let ((def (current-buffer))) | |
| 150 (if (eq (selected-window) (active-minibuffer-window)) | |
| 151 (setq def (other-buffer def)) | |
| 152 (read-buffer "PROMPT" def t))) | |
| 153 B -- (read-buffer "PROMPT" (other-buffer (current-buffer))) | |
| 154 c -- (prog1 | |
| 155 (let ((cursor-in-echo-area t)) | |
| 156 (message "%s" "PROMPT") | |
| 157 (read-char)) | |
| 158 (message nil)) | |
| 159 C -- (read-command "PROMPT") | |
| 160 d -- (point) | |
| 161 D -- (read-directory-name "PROMPT" nil default-directory t) | |
| 162 e -- current-mouse-event ;; #### not quite right. needs access to the KEYS | |
| 163 ;; argument of `call-interactively', but that's | |
| 164 ;; currently impossible. | |
| 165 f -- (read-file-name "PROMPT" nil nil 0) | |
| 166 F -- (read-file-name "PROMPT") | |
| 167 i -- nil | |
| 168 k -- (read-key-sequence "PROMPT") | |
| 169 K -- (read-key-sequence "PROMPT" nil t) | |
| 170 m -- (mark) | |
| 171 n -- (read-number "PROMPT") | |
| 172 N -- (if current-prefix-arg | |
| 173 (prefix-numeric-value current-prefix-arg) | |
| 174 (read-number "PROMPT")) | |
| 175 p -- (prefix-numeric-value current-prefix-arg) | |
| 176 P -- current-prefix-arg | |
| 177 r -- (if (and zmacs-regions (not zmacs-region-active-p)) | |
| 178 (error "The region is not active now")) | |
| 179 (let ((tem (marker-buffer (mark-marker t)))) | |
| 180 (unless (and tem (eq tem (current-buffer))) | |
| 181 (error "The mark is now set now"))) | |
| 182 (region-beginning) + | |
| 183 (region-end) | |
| 184 s -- (read-string "PROMPT") | |
| 185 S -- (let (tem prev-tem) | |
| 186 (while (not tem) | |
| 187 (setq tem (completing-read "PROMPT" obarray nil nil prev-tem)) | |
| 188 (setq prev-tem tem) | |
| 189 (setq tem (intern tem)) | |
| 190 (if (= (length tem) 0) | |
| 191 (setq tem nil)))) | |
| 192 v -- (read-variable "PROMPT") | |
| 193 x -- (read-expression "PROMPT") | |
| 194 X -- (eval (read-expression "PROMPT")) | |
| 195 z -- (and (fboundp 'read-coding-system) (read-coding-system "PROMPT")) | |
| 196 Z -- (and current-prefix-arg (fboundp 'read-coding-system) | |
| 197 (read-coding-system "PROMPT")) | |
| 198 | |
| 199 `*' (barf-if-buffer-read-only) | |
| 200 `@' (let ((event current-mouse-event)) ;; #### not quite right; needs the | |
| 201 (when event ;; value from the `e' spec above. | |
| 202 (let ((window event-window event)) | |
| 203 (when window | |
| 204 (if (and (window-minibuffer-p window) | |
| 205 (not (and (> (minibuffer-depth) 0) | |
| 206 (eq window (active-minibuffer-window))))) | |
| 207 (error "Attempt to select inactive minibuffer window")) | |
| 208 (select window))))) | |
| 4652 | 209 `_' (setq zmacs-region-stays t) *//* FIXME: moving end of previous comment |
| 210 to a separate line causes docstring lossage! */ | |
| 2286 | 211 (UNUSED (args))) |
| 428 | 212 { |
| 213 return Qnil; | |
| 214 } | |
| 215 | |
| 216 /* Modify EXPR by quotifying each element (except the first). */ | |
| 217 static Lisp_Object | |
| 218 quotify_args (Lisp_Object expr) | |
| 219 { | |
| 2367 | 220 EXTERNAL_LIST_LOOP_3 (elt, expr, tail) |
| 221 XSETCAR (tail, Fquote_maybe (elt)); | |
| 428 | 222 return expr; |
| 223 } | |
| 224 | |
| 665 | 225 static Charbpos |
| 428 | 226 check_mark (void) |
| 227 { | |
| 228 Lisp_Object tem; | |
| 229 | |
| 230 if (zmacs_regions && !zmacs_region_active_p) | |
| 563 | 231 invalid_operation ("The region is not active now", Qunbound); |
| 428 | 232 |
| 233 tem = Fmarker_buffer (current_buffer->mark); | |
| 234 if (NILP (tem) || (XBUFFER (tem) != current_buffer)) | |
| 563 | 235 invalid_operation ("The mark is not set now", Qunbound); |
| 428 | 236 |
| 237 return marker_position (current_buffer->mark); | |
| 238 } | |
| 239 | |
| 240 static Lisp_Object | |
| 867 | 241 callint_prompt (const Ibyte *prompt_start, Bytecount prompt_length, |
| 442 | 242 const Lisp_Object *args, int nargs) |
| 428 | 243 { |
| 244 Lisp_Object s = make_string (prompt_start, prompt_length); | |
| 245 struct gcpro gcpro1; | |
| 246 | |
| 247 /* Fformat no longer smashes its arg vector, so no need to copy it. */ | |
| 248 | |
| 249 if (!strchr ((char *) XSTRING_DATA (s), '%')) | |
| 250 return s; | |
| 251 GCPRO1 (s); | |
| 771 | 252 RETURN_UNGCPRO (emacs_vsprintf_string_lisp (0, s, nargs, args)); |
| 428 | 253 } |
| 254 | |
| 255 /* `lambda' for RECORD-FLAG is an XEmacs addition. */ | |
| 256 | |
| 257 DEFUN ("call-interactively", Fcall_interactively, 1, 3, 0, /* | |
| 258 Call FUNCTION, reading args according to its interactive calling specs. | |
| 259 Return the value FUNCTION returns. | |
| 260 The function contains a specification of how to do the argument reading. | |
| 261 In the case of user-defined functions, this is specified by placing a call | |
| 262 to the function `interactive' at the top level of the function body. | |
| 263 See `interactive'. | |
| 264 | |
| 265 If optional second arg RECORD-FLAG is the symbol `lambda', the interactive | |
| 266 calling arguments for FUNCTION are read and returned as a list, | |
| 267 but the function is not called on them. | |
| 268 | |
| 269 If RECORD-FLAG is `t' then unconditionally put this command in the | |
| 270 command-history. Otherwise, this is done only if an arg is read using | |
| 271 the minibuffer. | |
| 272 | |
| 273 The argument KEYS specifies the value to use instead of (this-command-keys) | |
| 274 when reading the arguments. | |
| 275 */ | |
| 276 (function, record_flag, keys)) | |
| 277 { | |
| 278 /* This function can GC */ | |
| 279 int speccount = specpdl_depth (); | |
| 280 Lisp_Object prefix; | |
| 281 | |
| 282 Lisp_Object fun; | |
| 283 Lisp_Object specs = Qnil; | |
| 284 #ifdef IT_SEEMS_THAT_MLY_DOESNT_LIKE_THIS | |
| 285 Lisp_Object enable; | |
| 286 #endif | |
| 793 | 287 /* If SPECS is a string, we reset prompt_data to XSTRING_DATA (specs) |
| 288 every time a GC might have occurred */ | |
| 442 | 289 const char *prompt_data = 0; |
| 428 | 290 int prompt_index = 0; |
| 291 int argcount; | |
| 292 int set_zmacs_region_stays = 0; | |
| 293 int mouse_event_count = 0; | |
| 294 | |
| 295 if (!NILP (keys)) | |
| 296 { | |
| 297 int i, len; | |
| 298 | |
| 299 CHECK_VECTOR (keys); | |
| 300 len = XVECTOR_LENGTH (keys); | |
| 301 for (i = 0; i < len; i++) | |
| 302 CHECK_LIVE_EVENT (XVECTOR_DATA (keys)[i]); | |
| 303 } | |
| 304 | |
| 305 /* Save this now, since use of minibuffer will clobber it. */ | |
| 306 prefix = Vcurrent_prefix_arg; | |
| 307 | |
| 308 retry: | |
| 309 | |
| 310 #ifdef IT_SEEMS_THAT_MLY_DOESNT_LIKE_THIS | |
| 311 /* Marginal kludge. Use an evaluated interactive spec instead of this! */ | |
| 312 if (SYMBOLP (function)) | |
| 313 enable = Fget (function, Qenable_recursive_minibuffers, Qnil); | |
| 314 #endif | |
| 315 | |
| 316 fun = indirect_function (function, 1); | |
| 317 | |
| 318 /* Decode the kind of function. Either handle it and return, | |
| 319 or go to `lose' if not interactive, or go to `retry' | |
| 320 to specify a different function, or set either PROMPT_DATA or SPECS. */ | |
| 321 | |
| 322 if (SUBRP (fun)) | |
| 323 { | |
| 324 prompt_data = XSUBR (fun)->prompt; | |
| 325 if (!prompt_data) | |
| 326 { | |
| 327 lose: | |
| 328 function = wrong_type_argument (Qcommandp, function); | |
| 329 goto retry; | |
| 330 } | |
| 331 #if 0 /* FSFmacs */ /* Huh? Where is this used? */ | |
| 332 if ((EMACS_INT) prompt_data == 1) | |
| 333 /* Let SPECS (which is nil) be used as the args. */ | |
| 334 prompt_data = 0; | |
| 335 #endif | |
| 336 } | |
| 337 else if (COMPILED_FUNCTIONP (fun)) | |
| 338 { | |
| 339 Lisp_Compiled_Function *f = XCOMPILED_FUNCTION (fun); | |
| 340 if (! f->flags.interactivep) | |
| 341 goto lose; | |
| 342 specs = compiled_function_interactive (f); | |
| 343 } | |
| 344 else if (!CONSP (fun)) | |
| 345 goto lose; | |
| 346 else | |
| 347 { | |
| 348 Lisp_Object funcar = Fcar (fun); | |
| 349 | |
| 350 if (EQ (funcar, Qautoload)) | |
| 351 { | |
| 970 | 352 struct gcpro gcpro1; |
| 353 GCPRO1 (prefix); | |
| 354 /* do_autoload GCPROs both arguments */ | |
| 428 | 355 do_autoload (fun, function); |
| 356 UNGCPRO; | |
| 357 goto retry; | |
| 358 } | |
| 359 else if (EQ (funcar, Qlambda)) | |
| 360 { | |
| 361 specs = Fassq (Qinteractive, Fcdr (Fcdr (fun))); | |
| 362 if (NILP (specs)) | |
| 363 goto lose; | |
| 364 specs = Fcar (Fcdr (specs)); | |
| 365 } | |
| 366 else | |
| 367 goto lose; | |
| 368 } | |
| 369 | |
| 2367 | 370 /* FSFmacs makes an ALLOCA() copy of prompt_data here. |
| 428 | 371 We're more intelligent about this and just reset prompt_data |
| 372 as necessary. */ | |
| 373 /* If either specs or prompt_data is set to a string, use it. */ | |
| 374 if (!STRINGP (specs) && prompt_data == 0) | |
| 375 { | |
| 376 struct gcpro gcpro1, gcpro2, gcpro3; | |
| 377 int i = num_input_chars; | |
| 378 Lisp_Object input = specs; | |
| 379 | |
| 380 GCPRO3 (function, specs, input); | |
| 381 /* Compute the arg values using the user's expression. */ | |
|
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382 specs = IGNORE_MULTIPLE_VALUES (Feval (specs)); |
| 428 | 383 if (EQ (record_flag, Qlambda)) /* XEmacs addition */ |
| 384 { | |
| 385 UNGCPRO; | |
| 386 return specs; | |
| 387 } | |
| 388 if (!NILP (record_flag) || i != num_input_chars) | |
| 389 { | |
| 390 /* We should record this command on the command history. */ | |
| 391 /* #### The following is too specific; should have general | |
| 392 mechanism for doing this. */ | |
| 393 Lisp_Object values, car; | |
| 394 /* Make a copy of the list of values, for the command history, | |
| 395 and turn them into things we can eval. */ | |
| 396 values = quotify_args (Fcopy_sequence (specs)); | |
| 397 /* If the list of args was produced with an explicit call to `list', | |
| 398 look for elements that were computed with (region-beginning) | |
| 399 or (region-end), and put those expressions into VALUES | |
| 400 instead of the present values. */ | |
| 401 if (CONSP (input)) | |
| 402 { | |
| 403 car = XCAR (input); | |
| 404 /* Skip through certain special forms. */ | |
| 405 while (EQ (car, Qlet) || EQ (car, QletX) | |
| 406 || EQ (car, Qsave_excursion)) | |
| 407 { | |
| 408 while (CONSP (XCDR (input))) | |
| 409 input = XCDR (input); | |
| 410 input = XCAR (input); | |
| 411 if (!CONSP (input)) | |
| 412 break; | |
| 413 car = XCAR (input); | |
| 414 } | |
| 415 if (EQ (car, Qlist)) | |
| 416 { | |
| 417 Lisp_Object intail, valtail; | |
| 418 for (intail = Fcdr (input), valtail = values; | |
| 419 CONSP (valtail); | |
| 420 intail = Fcdr (intail), valtail = Fcdr (valtail)) | |
| 421 { | |
| 422 Lisp_Object elt; | |
| 423 elt = Fcar (intail); | |
| 424 if (CONSP (elt)) | |
| 425 { | |
| 426 Lisp_Object eltcar = Fcar (elt); | |
| 427 if (EQ (eltcar, Qpoint) || | |
| 428 EQ (eltcar, Qmark) || | |
| 429 EQ (eltcar, Qregion_beginning) || | |
| 430 EQ (eltcar, Qregion_end)) | |
| 431 Fsetcar (valtail, Fcar (intail)); | |
| 432 } | |
| 433 } | |
| 434 } | |
| 435 } | |
| 436 Vcommand_history | |
| 437 = Fcons (Fcons (function, values), Vcommand_history); | |
| 438 } | |
| 439 single_console_state (); | |
| 440 RETURN_UNGCPRO (apply1 (fun, specs)); | |
| 441 } | |
| 442 | |
| 443 /* Here if function specifies a string to control parsing the defaults */ | |
| 444 | |
| 445 #ifdef I18N3 | |
| 446 /* Translate interactive prompt. */ | |
| 447 if (STRINGP (specs)) | |
| 448 { | |
| 449 Lisp_Object domain = Qnil; | |
| 450 if (COMPILED_FUNCTIONP (fun)) | |
| 451 domain = compiled_function_domain (XCOMPILED_FUNCTION (fun)); | |
| 452 if (NILP (domain)) | |
| 453 specs = Fgettext (specs); | |
| 454 else | |
| 455 specs = Fdgettext (domain, specs); | |
| 456 } | |
| 457 else if (prompt_data) | |
| 458 /* We do not have to worry about domains in this case because | |
| 459 prompt_data is non-nil only for built-in functions, which | |
| 460 always use the default domain. */ | |
| 461 prompt_data = gettext (prompt_data); | |
| 462 #endif | |
| 463 | |
| 464 /* Handle special starting chars `*' and `@' and `_'. */ | |
| 465 /* Note that `+' is reserved for user extensions. */ | |
| 466 prompt_index = 0; | |
| 467 { | |
| 468 struct gcpro gcpro1, gcpro2; | |
| 469 GCPRO2 (function, specs); | |
| 470 | |
| 471 for (;;) | |
| 472 { | |
| 473 if (STRINGP (specs)) | |
| 442 | 474 prompt_data = (const char *) XSTRING_DATA (specs); |
| 428 | 475 |
| 476 if (prompt_data[prompt_index] == '+') | |
| 563 | 477 syntax_error ("`+' is not used in `interactive' for ordinary commands", Qunbound); |
| 428 | 478 else if (prompt_data[prompt_index] == '*') |
| 479 { | |
| 480 prompt_index++; | |
| 481 if (!NILP (current_buffer->read_only)) | |
| 482 barf_if_buffer_read_only (current_buffer, -1, -1); | |
| 483 } | |
| 484 else if (prompt_data[prompt_index] == '@') | |
| 485 { | |
| 486 Lisp_Object event; | |
| 487 prompt_index++; | |
| 488 | |
| 489 if (!NILP (keys)) | |
| 490 event = extract_vector_nth_mouse_event (keys, 0); | |
| 491 else | |
| 492 #if 0 | |
| 493 event = extract_this_command_keys_nth_mouse_event (0); | |
| 494 #else | |
| 495 /* Doesn't work; see below */ | |
| 496 event = Vcurrent_mouse_event; | |
| 497 #endif | |
| 498 if (! NILP (event)) | |
| 499 { | |
| 500 Lisp_Object window = Fevent_window (event); | |
| 501 if (!NILP (window)) | |
| 502 { | |
| 503 if (MINI_WINDOW_P (XWINDOW (window)) | |
| 504 && ! (minibuf_level > 0 && EQ (window, | |
| 505 minibuf_window))) | |
| 563 | 506 invalid_operation ("Attempt to select inactive minibuffer window", Qunbound); |
| 428 | 507 |
| 508 #if 0 /* unclean! see event-stream.c */ | |
| 509 /* If the current buffer wants to clean up, let it. */ | |
| 510 if (!NILP (Vmouse_leave_buffer_hook)) | |
| 511 run_hook (Qmouse_leave_buffer_hook); | |
| 512 #endif | |
| 513 | |
| 514 Fselect_window (window, Qnil); | |
| 515 } | |
| 516 } | |
| 517 } | |
| 518 else if (prompt_data[prompt_index] == '_') | |
| 519 { | |
| 520 prompt_index++; | |
| 521 set_zmacs_region_stays = 1; | |
| 522 } | |
| 523 else | |
| 524 { | |
| 525 UNGCPRO; | |
| 526 break; | |
| 527 } | |
| 528 } | |
| 529 } | |
| 530 | |
| 531 /* Count the number of arguments the interactive spec would have | |
| 532 us give to the function. */ | |
| 533 argcount = 0; | |
| 534 { | |
| 442 | 535 const char *tem; |
| 428 | 536 for (tem = prompt_data + prompt_index; *tem; ) |
| 537 { | |
| 538 /* 'r' specifications ("point and mark as 2 numeric args") | |
| 539 produce *two* arguments. */ | |
| 540 if (*tem == 'r') | |
| 541 argcount += 2; | |
| 542 else | |
| 543 argcount += 1; | |
| 442 | 544 tem = (const char *) strchr (tem + 1, '\n'); |
| 428 | 545 if (!tem) |
| 546 break; | |
| 547 tem++; | |
| 548 } | |
| 549 } | |
| 550 | |
| 551 #ifdef IT_SEEMS_THAT_MLY_DOESNT_LIKE_THIS | |
| 552 if (!NILP (enable)) | |
| 553 specbind (Qenable_recursive_minibuffers, Qt); | |
| 554 #endif | |
| 555 | |
| 556 if (argcount == 0) | |
| 557 { | |
| 558 /* Interactive function or no arguments; just call it */ | |
| 559 if (EQ (record_flag, Qlambda)) | |
| 560 return Qnil; | |
| 561 if (!NILP (record_flag)) | |
| 562 { | |
| 563 Vcommand_history = Fcons (list1 (function), Vcommand_history); | |
| 564 } | |
| 565 specbind (Qcommand_debug_status, Qnil); | |
| 566 /* XEmacs: was fun = call0 (fun), but that's backtraced wrong */ | |
| 567 { | |
| 568 struct gcpro gcpro1; | |
| 569 | |
| 570 GCPRO1 (fun); | |
| 571 fun = Ffuncall (1, &fun); | |
| 572 UNGCPRO; | |
| 573 } | |
| 574 if (set_zmacs_region_stays) | |
| 575 zmacs_region_stays = 1; | |
| 771 | 576 return unbind_to_1 (speccount, fun); |
| 428 | 577 } |
| 578 | |
| 579 /* Read interactive arguments */ | |
| 580 { | |
| 581 /* args[-1] is the function to call */ | |
| 582 /* args[n] is the n'th argument to the function */ | |
| 583 int alloca_size = (1 /* function to call */ | |
| 584 + argcount /* actual arguments */ | |
| 585 + argcount /* visargs */ | |
| 586 + argcount /* varies */ | |
| 587 ); | |
| 588 Lisp_Object *args = alloca_array (Lisp_Object, alloca_size) + 1; | |
| 589 /* visargs is an array of either Qnil or user-friendlier versions (often | |
| 590 * strings) of previous arguments, to use in prompts for successive | |
| 591 * arguments. ("Often strings" because emacs didn't used to have | |
| 592 * format %S and prin1-to-string.) */ | |
| 593 Lisp_Object *visargs = args + argcount; | |
| 594 /* If varies[i] is non-null, the i'th argument shouldn't just have | |
| 595 its value in this call quoted in the command history. It should be | |
| 596 recorded as a call to the function named varies[i]]. */ | |
| 597 Lisp_Object *varies = visargs + argcount; | |
| 598 int arg_from_tty = 0; | |
| 599 REGISTER int argnum; | |
| 600 struct gcpro gcpro1, gcpro2; | |
| 601 | |
| 602 args[-1] = function; | |
| 603 for (argnum = 0; argnum < alloca_size - 1; argnum++) | |
| 604 args[argnum] = Qnil; | |
| 605 | |
| 606 /* Must GC-protect args[-1] (ie function) because Ffuncall doesn't */ | |
| 607 /* `function' itself isn't GC-protected -- use args[-1] from here | |
| 608 (actually, doesn't matter since Emacs GC doesn't relocate, sigh) */ | |
| 609 GCPRO2 (prefix, args[-1]); | |
| 610 gcpro2.nvars = alloca_size; | |
| 611 | |
| 612 for (argnum = 0; ; argnum++) | |
| 613 { | |
| 442 | 614 const char *prompt_start = prompt_data + prompt_index + 1; |
| 615 const char *prompt_limit = (const char *) strchr (prompt_start, '\n'); | |
| 428 | 616 int prompt_length; |
| 617 prompt_length = ((prompt_limit) | |
| 618 ? (prompt_limit - prompt_start) | |
| 664 | 619 : (int) strlen (prompt_start)); |
| 428 | 620 if (prompt_limit && prompt_limit[1] == 0) |
| 621 { | |
| 622 prompt_limit = 0; /* "sfoo:\n" -- strip tailing return */ | |
| 623 prompt_length -= 1; | |
| 624 } | |
| 625 /* This uses `visargs' instead of `args' so that global-set-key | |
| 626 prompts with "Set key C-x C-f to command: "instead of printing | |
| 627 event objects in there. | |
| 628 */ | |
| 867 | 629 #define PROMPT() callint_prompt ((const Ibyte *) prompt_start, prompt_length, visargs, argnum) |
| 428 | 630 switch (prompt_data[prompt_index]) |
| 631 { | |
| 632 case 'a': /* Symbol defined as a function */ | |
| 633 { | |
| 634 Lisp_Object tem = call1 (Qread_function, PROMPT ()); | |
| 635 args[argnum] = tem; | |
| 636 arg_from_tty = 1; | |
| 637 break; | |
| 638 } | |
| 639 case 'b': /* Name of existing buffer */ | |
| 640 { | |
| 641 Lisp_Object def = Fcurrent_buffer (); | |
| 642 if (EQ (Fselected_window (Qnil), minibuf_window)) | |
| 643 def = Fother_buffer (def, Qnil, Qnil); | |
| 644 /* read-buffer returns a buffer name, not a buffer! */ | |
| 645 args[argnum] = call3 (Qread_buffer, PROMPT (), def, | |
| 646 Qt); | |
| 647 arg_from_tty = 1; | |
| 648 break; | |
| 649 } | |
| 650 case 'B': /* Name of buffer, possibly nonexistent */ | |
| 651 { | |
| 652 /* read-buffer returns a buffer name, not a buffer! */ | |
| 653 args[argnum] = call2 (Qread_buffer, PROMPT (), | |
| 654 Fother_buffer (Fcurrent_buffer (), Qnil, | |
| 655 Qnil)); | |
| 656 arg_from_tty = 1; | |
| 657 break; | |
| 658 } | |
| 659 case 'c': /* Character */ | |
| 660 { | |
| 661 Lisp_Object tem; | |
| 662 int shadowing_speccount = specpdl_depth (); | |
| 663 | |
| 664 specbind (Qcursor_in_echo_area, Qt); | |
| 665 message ("%s", XSTRING_DATA (PROMPT ())); | |
| 666 tem = (call0 (Qread_char)); | |
| 667 args[argnum] = tem; | |
| 668 /* visargs[argnum] = Fsingle_key_description (tem); */ | |
| 669 /* FSF has visargs[argnum] = Fchar_to_string (tem); */ | |
| 670 | |
| 771 | 671 unbind_to (shadowing_speccount); |
| 428 | 672 |
| 673 /* #### `C-x / a' should not leave the prompt in the minibuffer. | |
| 674 This isn't the right fix, because (message ...) (read-char) | |
| 675 shouldn't leave the message there either... */ | |
| 676 clear_message (); | |
| 677 | |
| 678 arg_from_tty = 1; | |
| 679 break; | |
| 680 } | |
| 681 case 'C': /* Command: symbol with interactive function */ | |
| 682 { | |
| 683 Lisp_Object tem = call1 (Qread_command, PROMPT ()); | |
| 684 args[argnum] = tem; | |
| 685 arg_from_tty = 1; | |
| 686 break; | |
| 687 } | |
| 688 case 'd': /* Value of point. Does not do I/O. */ | |
| 689 { | |
| 690 args[argnum] = Fcopy_marker (current_buffer->point_marker, Qt); | |
| 691 varies[argnum] = Qpoint; | |
| 692 break; | |
| 693 } | |
| 694 case 'e': | |
| 695 { | |
| 696 Lisp_Object event; | |
| 697 | |
| 698 if (!NILP (keys)) | |
| 699 event = extract_vector_nth_mouse_event (keys, | |
| 700 mouse_event_count); | |
| 701 else | |
| 702 #if 0 | |
| 703 /* This doesn't quite work because this-command-keys | |
| 704 behaves in utterly counterintuitive ways. Sometimes | |
| 705 it retrieves an event back in the future, e.g. when | |
| 706 one command invokes another command and both are | |
| 707 invoked with the mouse. */ | |
| 708 event = (extract_this_command_keys_nth_mouse_event | |
| 709 (mouse_event_count)); | |
| 710 #else | |
| 711 event = Vcurrent_mouse_event; | |
| 712 #endif | |
| 713 | |
| 714 if (NILP (event)) | |
| 563 | 715 signal_error (Qinvalid_operation, |
| 716 "function must be bound to a mouse or misc-user event", | |
| 717 function); | |
| 428 | 718 args[argnum] = event; |
| 719 mouse_event_count++; | |
| 720 break; | |
| 721 } | |
| 722 case 'D': /* Directory name. */ | |
| 723 { | |
| 724 args[argnum] = call4 (Qread_directory_name, PROMPT (), | |
| 725 Qnil, /* dir */ | |
| 726 current_buffer->directory, /* default */ | |
| 727 Qt /* must-match */ | |
| 728 ); | |
| 729 arg_from_tty = 1; | |
| 730 break; | |
| 731 } | |
| 732 case 'f': /* Existing file name. */ | |
| 733 { | |
| 734 Lisp_Object tem = call4 (Qread_file_name, PROMPT (), | |
| 735 Qnil, /* dir */ | |
| 736 Qnil, /* default */ | |
| 737 Qzero /* must-match */ | |
| 738 ); | |
| 739 args[argnum] = tem; | |
| 740 arg_from_tty = 1; | |
| 741 break; | |
| 742 } | |
| 743 case 'F': /* Possibly nonexistent file name. */ | |
| 744 { | |
| 745 args[argnum] = call4 (Qread_file_name, PROMPT (), | |
| 746 Qnil, /* dir */ | |
| 747 Qnil, /* default */ | |
| 748 Qnil /* must-match */ | |
| 749 ); | |
| 750 arg_from_tty = 1; | |
| 751 break; | |
| 752 } | |
| 753 case 'i': /* Ignore: always nil. Use to skip arguments. */ | |
| 754 { | |
| 755 args[argnum] = Qnil; | |
| 756 break; | |
| 757 } | |
| 758 case 'k': /* Key sequence (vector of events) */ | |
| 759 { | |
| 760 struct gcpro ngcpro1; | |
| 761 Lisp_Object tem; | |
| 762 Lisp_Object key_prompt = PROMPT (); | |
| 763 | |
| 764 NGCPRO1(key_prompt); | |
| 765 tem = Fread_key_sequence (key_prompt, Qnil, Qnil); | |
| 766 NUNGCPRO; | |
| 767 | |
| 768 visargs[argnum] = Fkey_description (tem); | |
| 769 /* The following makes `describe-key' not work with | |
| 770 extent-local keymaps and such; and anyway, it's | |
| 771 contrary to the documentation. */ | |
| 772 /* args[argnum] = call1 (Qevents_to_keys, tem); */ | |
| 773 args[argnum] = tem; | |
| 774 arg_from_tty = 1; | |
| 775 break; | |
| 776 } | |
| 777 case 'K': /* Key sequence (vector of events), | |
| 778 no automatic downcasing */ | |
| 779 { | |
| 780 struct gcpro ngcpro1; | |
| 781 Lisp_Object tem; | |
| 782 Lisp_Object key_prompt = PROMPT (); | |
| 783 | |
| 784 NGCPRO1(key_prompt); | |
| 785 tem = Fread_key_sequence (key_prompt, Qnil, Qt); | |
| 786 NUNGCPRO; | |
| 787 | |
| 788 visargs[argnum] = Fkey_description (tem); | |
| 789 /* The following makes `describe-key' not work with | |
| 790 extent-local keymaps and such; and anyway, it's | |
| 791 contrary to the documentation. */ | |
| 792 /* args[argnum] = call1 (Qevents_to_keys, tem); */ | |
| 793 args[argnum] = tem; | |
| 794 arg_from_tty = 1; | |
| 795 break; | |
| 796 } | |
| 797 | |
| 798 case 'm': /* Value of mark. Does not do I/O. */ | |
| 799 { | |
| 800 args[argnum] = current_buffer->mark; | |
| 801 varies[argnum] = Qmark; | |
| 802 break; | |
| 803 } | |
| 804 case 'n': /* Read number from minibuffer. */ | |
| 805 { | |
| 806 read_number: | |
| 807 args[argnum] = call2 (Qread_number, PROMPT (), Qnil); | |
| 808 /* numbers are too boring to go on command history */ | |
| 809 /* arg_from_tty = 1; */ | |
| 810 break; | |
| 811 } | |
| 812 case 'N': /* Prefix arg, else number from minibuffer */ | |
| 813 { | |
| 814 if (NILP (prefix)) | |
| 815 goto read_number; | |
| 816 else | |
| 817 goto prefix_value; | |
| 818 } | |
| 819 case 'P': /* Prefix arg in raw form. Does no I/O. */ | |
| 820 { | |
| 821 args[argnum] = prefix; | |
| 822 break; | |
| 823 } | |
| 824 case 'p': /* Prefix arg converted to number. No I/O. */ | |
| 825 { | |
| 826 prefix_value: | |
| 827 { | |
| 828 Lisp_Object tem = Fprefix_numeric_value (prefix); | |
| 829 args[argnum] = tem; | |
| 830 } | |
| 831 break; | |
| 832 } | |
| 833 case 'r': /* Region, point and mark as 2 args. */ | |
| 834 { | |
| 665 | 835 Charbpos tem = check_mark (); |
| 428 | 836 args[argnum] = (BUF_PT (current_buffer) < tem |
| 837 ? Fcopy_marker (current_buffer->point_marker, Qt) | |
| 838 : current_buffer->mark); | |
| 839 varies[argnum] = Qregion_beginning; | |
| 840 args[++argnum] = (BUF_PT (current_buffer) > tem | |
| 841 ? Fcopy_marker (current_buffer->point_marker, | |
| 842 Qt) | |
| 843 : current_buffer->mark); | |
| 844 varies[argnum] = Qregion_end; | |
| 845 break; | |
| 846 } | |
| 847 case 's': /* String read via minibuffer. */ | |
| 848 { | |
| 849 args[argnum] = call1 (Qread_string, PROMPT ()); | |
| 850 arg_from_tty = 1; | |
| 851 break; | |
| 852 } | |
| 853 case 'S': /* Any symbol. */ | |
| 854 { | |
| 855 visargs[argnum] = Qnil; | |
| 856 for (;;) | |
| 857 { | |
| 858 Lisp_Object tem = call5 (Qcompleting_read, | |
| 859 PROMPT (), | |
| 860 Vobarray, | |
| 861 Qnil, | |
| 862 Qnil, | |
| 863 /* nil, or prev attempt */ | |
| 864 visargs[argnum]); | |
| 865 visargs[argnum] = tem; | |
| 866 /* I could use condition-case with this loser, but why bother? | |
| 867 * tem = Fread (tem); check-symbol-p; | |
| 868 */ | |
| 869 tem = Fintern (tem, Qnil); | |
| 870 args[argnum] = tem; | |
| 793 | 871 if (XSTRING_LENGTH (XSYMBOL (tem)->name) > 0) |
| 428 | 872 /* Don't accept the empty-named symbol. If the loser |
| 873 really wants this s/he can call completing-read | |
| 874 directly */ | |
| 875 break; | |
| 876 } | |
| 877 arg_from_tty = 1; | |
| 878 break; | |
| 879 } | |
| 880 case 'v': /* Variable name: user-variable-p symbol */ | |
| 881 { | |
| 882 Lisp_Object tem = call1 (Qread_variable, PROMPT ()); | |
| 883 args[argnum] = tem; | |
| 884 arg_from_tty = 1; | |
| 885 break; | |
| 886 } | |
| 887 case 'x': /* Lisp expression read but not evaluated */ | |
| 888 { | |
| 889 args[argnum] = call1 (Qread_expression, PROMPT ()); | |
| 890 /* visargs[argnum] = Fprin1_to_string (args[argnum], Qnil); */ | |
| 891 arg_from_tty = 1; | |
| 892 break; | |
| 893 } | |
| 894 case 'X': /* Lisp expression read and evaluated */ | |
| 895 { | |
| 896 Lisp_Object tem = call1 (Qread_expression, PROMPT ()); | |
| 897 /* visargs[argnum] = Fprin1_to_string (tem, Qnil); */ | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4654
diff
changeset
|
898 args[argnum] = IGNORE_MULTIPLE_VALUES (Feval (tem)); |
| 428 | 899 arg_from_tty = 1; |
| 900 break; | |
| 901 } | |
| 902 case 'Z': /* Coding-system symbol or nil if no prefix */ | |
| 903 { | |
| 904 if (NILP (prefix)) | |
| 905 { | |
| 906 args[argnum] = Qnil; | |
| 907 } | |
| 908 else | |
| 909 { | |
| 910 args[argnum] = | |
| 911 call1 (Qread_non_nil_coding_system, PROMPT ()); | |
| 912 arg_from_tty = 1; | |
| 913 } | |
| 914 break; | |
| 915 } | |
| 916 case 'z': /* Coding-system symbol */ | |
| 917 { | |
| 918 args[argnum] = call1 (Qread_coding_system, PROMPT ()); | |
| 919 arg_from_tty = 1; | |
| 920 break; | |
| 921 } | |
| 922 | |
| 923 /* We have a case for `+' so we get an error | |
| 924 if anyone tries to define one here. */ | |
| 925 case '+': | |
| 926 default: | |
| 927 { | |
| 826 | 928 signal_ferror |
| 929 (Qsyntax_error, | |
| 930 "Invalid `interactive' control letter \"%c\" (#o%03o).", | |
| 931 prompt_data[prompt_index], prompt_data[prompt_index]); | |
| 428 | 932 } |
| 933 } | |
| 934 #undef PROMPT | |
| 935 if (NILP (visargs[argnum])) | |
| 936 visargs[argnum] = args[argnum]; | |
| 937 | |
| 938 if (!prompt_limit) | |
| 939 break; | |
| 940 if (STRINGP (specs)) | |
| 442 | 941 prompt_data = (const char *) XSTRING_DATA (specs); |
| 428 | 942 prompt_index += prompt_length + 1 + 1; /* +1 to skip spec, +1 for \n */ |
| 943 } | |
| 771 | 944 unbind_to (speccount); |
| 428 | 945 |
| 946 QUIT; | |
| 947 | |
| 948 if (EQ (record_flag, Qlambda)) | |
| 949 { | |
| 950 RETURN_UNGCPRO (Flist (argcount, args)); | |
| 951 } | |
| 952 | |
| 953 if (arg_from_tty || !NILP (record_flag)) | |
| 954 { | |
| 955 /* Reuse visargs as a temporary for constructing the command history */ | |
| 956 for (argnum = 0; argnum < argcount; argnum++) | |
| 957 { | |
| 958 if (!NILP (varies[argnum])) | |
| 959 visargs[argnum] = list1 (varies[argnum]); | |
| 960 else | |
| 961 visargs[argnum] = Fquote_maybe (args[argnum]); | |
| 962 } | |
| 963 Vcommand_history = Fcons (Fcons (args[-1], Flist (argcount, visargs)), | |
| 964 Vcommand_history); | |
| 965 } | |
| 966 | |
| 967 /* If we used a marker to hold point, mark, or an end of the region, | |
| 968 temporarily, convert it to an integer now. */ | |
| 969 for (argnum = 0; argnum < argcount; argnum++) | |
| 970 if (!NILP (varies[argnum])) | |
| 793 | 971 args[argnum] = make_int (marker_position (args[argnum])); |
| 428 | 972 |
| 973 single_console_state (); | |
| 974 specbind (Qcommand_debug_status, Qnil); | |
| 975 fun = Ffuncall (argcount + 1, args - 1); | |
| 976 UNGCPRO; | |
| 977 if (set_zmacs_region_stays) | |
| 978 zmacs_region_stays = 1; | |
| 771 | 979 return unbind_to_1 (speccount, fun); |
| 428 | 980 } |
| 981 } | |
| 982 | |
| 983 DEFUN ("prefix-numeric-value", Fprefix_numeric_value, 1, 1, 0, /* | |
| 444 | 984 Return numeric meaning of raw prefix argument RAW. |
| 428 | 985 A raw prefix argument is what you get from `(interactive "P")'. |
| 986 Its numeric meaning is what you would get from `(interactive "p")'. | |
| 987 */ | |
| 988 (raw)) | |
| 989 { | |
| 990 if (NILP (raw)) | |
| 991 return make_int (1); | |
| 992 if (EQ (raw, Qminus)) | |
| 993 return make_int (-1); | |
| 994 if (INTP (raw)) | |
| 995 return raw; | |
| 996 if (CONSP (raw) && INTP (XCAR (raw))) | |
| 997 return XCAR (raw); | |
| 998 | |
| 999 return make_int (1); | |
| 1000 } | |
| 1001 | |
| 1002 void | |
| 1003 syms_of_callint (void) | |
| 1004 { | |
| 563 | 1005 DEFSYMBOL (Qcall_interactively); |
| 1006 DEFSYMBOL (Qread_from_minibuffer); | |
| 1007 DEFSYMBOL (Qcompleting_read); | |
| 1008 DEFSYMBOL (Qread_file_name); | |
| 1009 DEFSYMBOL (Qread_directory_name); | |
| 1010 DEFSYMBOL (Qread_string); | |
| 1011 DEFSYMBOL (Qread_buffer); | |
| 1012 DEFSYMBOL (Qread_variable); | |
| 1013 DEFSYMBOL (Qread_function); | |
| 1014 DEFSYMBOL (Qread_command); | |
| 1015 DEFSYMBOL (Qread_number); | |
| 1016 DEFSYMBOL (Qread_expression); | |
| 1017 DEFSYMBOL (Qread_coding_system); | |
| 1018 DEFSYMBOL (Qread_non_nil_coding_system); | |
| 1019 DEFSYMBOL (Qevents_to_keys); | |
| 1020 DEFSYMBOL (Qcommand_debug_status); | |
| 1021 DEFSYMBOL (Qenable_recursive_minibuffers); | |
| 428 | 1022 |
| 1023 defsymbol (&QletX, "let*"); | |
| 563 | 1024 DEFSYMBOL (Qsave_excursion); |
| 428 | 1025 #if 0 /* ill-conceived */ |
| 563 | 1026 DEFSYMBOL (Qmouse_leave_buffer_hook); |
| 428 | 1027 #endif |
| 1028 | |
| 1029 DEFSUBR (Finteractive); | |
| 1030 DEFSUBR (Fcall_interactively); | |
| 1031 DEFSUBR (Fprefix_numeric_value); | |
| 1032 } | |
| 1033 | |
| 1034 void | |
| 1035 vars_of_callint (void) | |
| 1036 { | |
| 1037 DEFVAR_LISP ("current-prefix-arg", &Vcurrent_prefix_arg /* | |
| 1038 The value of the prefix argument for this editing command. | |
| 1039 It may be a number, or the symbol `-' for just a minus sign as arg, | |
| 1040 or a list whose car is a number for just one or more C-U's | |
| 1041 or nil if no argument has been specified. | |
| 1042 This is what `(interactive "P")' returns. | |
| 1043 */ ); | |
| 1044 Vcurrent_prefix_arg = Qnil; | |
| 1045 | |
| 1046 DEFVAR_LISP ("command-history", &Vcommand_history /* | |
| 1047 List of recent commands that read arguments from terminal. | |
| 1048 Each command is represented as a form to evaluate. | |
| 1049 */ ); | |
| 1050 Vcommand_history = Qnil; | |
| 1051 | |
| 1052 DEFVAR_LISP ("command-debug-status", &Vcommand_debug_status /* | |
| 1053 Debugging status of current interactive command. | |
| 1054 Bound each time `call-interactively' is called; | |
| 1055 may be set by the debugger as a reminder for itself. | |
| 1056 */ ); | |
| 1057 Vcommand_debug_status = Qnil; | |
| 1058 | |
| 1059 #if 0 /* FSFmacs */ | |
| 1060 xxDEFVAR_LISP ("mark-even-if-inactive", &Vmark_even_if_inactive /* | |
| 1061 *Non-nil means you can use the mark even when inactive. | |
| 1062 This option makes a difference in Transient Mark mode. | |
| 1063 When the option is non-nil, deactivation of the mark | |
| 1064 turns off region highlighting, but commands that use the mark | |
| 1065 behave as if the mark were still active. | |
| 1066 */ ); | |
| 1067 Vmark_even_if_inactive = Qnil; | |
| 1068 #endif | |
| 1069 | |
| 1070 #if 0 /* Doesn't work and is totally ill-conceived anyway. */ | |
| 1071 xxDEFVAR_LISP ("mouse-leave-buffer-hook", &Vmouse_leave_buffer_hook /* | |
| 1072 Hook to run when about to switch windows with a mouse command. | |
| 1073 Its purpose is to give temporary modes such as Isearch mode | |
| 1074 a way to turn themselves off when a mouse command switches windows. | |
| 1075 */ ); | |
| 1076 Vmouse_leave_buffer_hook = Qnil; | |
| 1077 #endif | |
| 1078 } |