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/* Keyboard macros.
Copyright (C) 1985, 1986, 1993, 2000, 2001, 2002, 2003, 2004,
2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <>. */
#include <config.h>
#include <setjmp.h>
#include "lisp.h"
#include "macros.h"
#include "commands.h"
#include "buffer.h"
#include "window.h"
#include "keyboard.h"
Lisp_Object Qexecute_kbd_macro, Qkbd_macro_termination_hook;
/* Kbd macro currently being executed (a string or vector). */
Lisp_Object Vexecuting_kbd_macro;
/* Index of next character to fetch from that macro. */
EMACS_INT executing_kbd_macro_index;
/* Number of successful iterations so far
for innermost keyboard macro.
This is not bound at each level,
so after an error, it describes the innermost interrupted macro. */
int executing_kbd_macro_iterations;
/* This is the macro that was executing.
This is not bound at each level,
so after an error, it describes the innermost interrupted macro.
We use it only as a kind of flag, so no need to protect it. */
Lisp_Object executing_kbd_macro;
extern Lisp_Object real_this_command;
Lisp_Object Fexecute_kbd_macro ();
DEFUN ("start-kbd-macro", Fstart_kbd_macro, Sstart_kbd_macro, 1, 2, "P",
doc: /* Record subsequent keyboard input, defining a keyboard macro.
The commands are recorded even as they are executed.
Use \\[end-kbd-macro] to finish recording and make the macro available.
Use \\[name-last-kbd-macro] to give it a permanent name.
Non-nil arg (prefix arg) means append to last macro defined;
this begins by re-executing that macro as if you typed it again.
If optional second arg, NO-EXEC, is non-nil, do not re-execute last
macro before appending to it. */)
(append, no_exec)
Lisp_Object append, no_exec;
if (!NILP (current_kboard->defining_kbd_macro))
error ("Already defining kbd macro");
if (!current_kboard->kbd_macro_buffer)
current_kboard->kbd_macro_bufsize = 30;
= (Lisp_Object *)xmalloc (30 * sizeof (Lisp_Object));
if (NILP (append))
if (current_kboard->kbd_macro_bufsize > 200)
current_kboard->kbd_macro_bufsize = 30;
= (Lisp_Object *)xrealloc (current_kboard->kbd_macro_buffer,
30 * sizeof (Lisp_Object));
current_kboard->kbd_macro_ptr = current_kboard->kbd_macro_buffer;
current_kboard->kbd_macro_end = current_kboard->kbd_macro_buffer;
message ("Defining kbd macro...");
int i, len;
int cvt;
/* Check the type of last-kbd-macro in case Lisp code changed it. */
CHECK_VECTOR_OR_STRING (current_kboard->Vlast_kbd_macro);
len = XINT (Flength (current_kboard->Vlast_kbd_macro));
/* Copy last-kbd-macro into the buffer, in case the Lisp code
has put another macro there. */
if (current_kboard->kbd_macro_bufsize < len + 30)
current_kboard->kbd_macro_bufsize = len + 30;
= (Lisp_Object *)xrealloc (current_kboard->kbd_macro_buffer,
(len + 30) * sizeof (Lisp_Object));
/* Must convert meta modifier when copying string to vector. */
cvt = STRINGP (current_kboard->Vlast_kbd_macro);
for (i = 0; i < len; i++)
Lisp_Object c;
c = Faref (current_kboard->Vlast_kbd_macro, make_number (i));
if (cvt && NATNUMP (c) && (XFASTINT (c) & 0x80))
current_kboard->kbd_macro_buffer[i] = c;
current_kboard->kbd_macro_ptr = current_kboard->kbd_macro_buffer + len;
current_kboard->kbd_macro_end = current_kboard->kbd_macro_ptr;
/* Re-execute the macro we are appending to,
for consistency of behavior. */
if (NILP (no_exec))
Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro,
make_number (1), Qnil);
message ("Appending to kbd macro...");
current_kboard->defining_kbd_macro = Qt;
return Qnil;
/* Finish defining the current keyboard macro. */
end_kbd_macro ()
current_kboard->defining_kbd_macro = Qnil;
= make_event_array ((current_kboard->kbd_macro_end
- current_kboard->kbd_macro_buffer),
DEFUN ("end-kbd-macro", Fend_kbd_macro, Send_kbd_macro, 0, 2, "p",
doc: /* Finish defining a keyboard macro.
The definition was started by \\[start-kbd-macro].
The macro is now available for use via \\[call-last-kbd-macro],
or it can be given a name with \\[name-last-kbd-macro] and then invoked
under that name.
With numeric arg, repeat macro now that many times,
counting the definition just completed as the first repetition.
An argument of zero means repeat until error.
In Lisp, optional second arg LOOPFUNC may be a function that is called prior to
each iteration of the macro. Iteration stops if LOOPFUNC returns nil. */)
(repeat, loopfunc)
Lisp_Object repeat, loopfunc;
if (NILP (current_kboard->defining_kbd_macro))
error ("Not defining kbd macro");
if (NILP (repeat))
XSETFASTINT (repeat, 1);
CHECK_NUMBER (repeat);
if (!NILP (current_kboard->defining_kbd_macro))
end_kbd_macro ();
message ("Keyboard macro defined");
if (XFASTINT (repeat) == 0)
Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, repeat, loopfunc);
XSETINT (repeat, XINT (repeat)-1);
if (XINT (repeat) > 0)
Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, repeat, loopfunc);
return Qnil;
/* Store character c into kbd macro being defined */
store_kbd_macro_char (c)
Lisp_Object c;
struct kboard *kb = current_kboard;
if (!NILP (kb->defining_kbd_macro))
if (kb->kbd_macro_ptr - kb->kbd_macro_buffer == kb->kbd_macro_bufsize)
int ptr_offset, end_offset, nbytes;
ptr_offset = kb->kbd_macro_ptr - kb->kbd_macro_buffer;
end_offset = kb->kbd_macro_end - kb->kbd_macro_buffer;
kb->kbd_macro_bufsize *= 2;
nbytes = kb->kbd_macro_bufsize * sizeof *kb->kbd_macro_buffer;
= (Lisp_Object *) xrealloc (kb->kbd_macro_buffer, nbytes);
kb->kbd_macro_ptr = kb->kbd_macro_buffer + ptr_offset;
kb->kbd_macro_end = kb->kbd_macro_buffer + end_offset;
*kb->kbd_macro_ptr++ = c;
/* Declare that all chars stored so far in the kbd macro being defined
really belong to it. This is done in between editor commands. */
finalize_kbd_macro_chars ()
current_kboard->kbd_macro_end = current_kboard->kbd_macro_ptr;
DEFUN ("cancel-kbd-macro-events", Fcancel_kbd_macro_events,
Scancel_kbd_macro_events, 0, 0, 0,
doc: /* Cancel the events added to a keyboard macro for this command. */)
current_kboard->kbd_macro_ptr = current_kboard->kbd_macro_end;
return Qnil;
DEFUN ("store-kbd-macro-event", Fstore_kbd_macro_event,
Sstore_kbd_macro_event, 1, 1, 0,
doc: /* Store EVENT into the keyboard macro being defined. */)
Lisp_Object event;
store_kbd_macro_char (event);
return Qnil;
DEFUN ("call-last-kbd-macro", Fcall_last_kbd_macro, Scall_last_kbd_macro,
0, 2, "p",
doc: /* Call the last keyboard macro that you defined with \\[start-kbd-macro].
A prefix argument serves as a repeat count. Zero means repeat until error.
To make a macro permanent so you can call it even after
defining others, use \\[name-last-kbd-macro].
In Lisp, optional second arg LOOPFUNC may be a function that is called prior to
each iteration of the macro. Iteration stops if LOOPFUNC returns nil. */)
(prefix, loopfunc)
Lisp_Object prefix, loopfunc;
/* Don't interfere with recognition of the previous command
from before this macro started. */
Vthis_command = current_kboard->Vlast_command;
/* C-x z after the macro should repeat the macro. */
real_this_command = current_kboard->Vlast_kbd_macro;
if (! NILP (current_kboard->defining_kbd_macro))
error ("Can't execute anonymous macro while defining one");
else if (NILP (current_kboard->Vlast_kbd_macro))
error ("No kbd macro has been defined");
Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, prefix, loopfunc);
/* command_loop_1 sets this to nil before it returns;
get back the last command within the macro
so that it can be last, again, after we return. */
Vthis_command = current_kboard->Vlast_command;
return Qnil;
/* Restore Vexecuting_kbd_macro and executing_kbd_macro_index.
Called when the unwind-protect in Fexecute_kbd_macro gets invoked. */
static Lisp_Object
pop_kbd_macro (info)
Lisp_Object info;
Lisp_Object tem;
Vexecuting_kbd_macro = XCAR (info);
tem = XCDR (info);
executing_kbd_macro_index = XINT (XCAR (tem));
real_this_command = XCDR (tem);
Frun_hooks (1, &Qkbd_macro_termination_hook);
return Qnil;
DEFUN ("execute-kbd-macro", Fexecute_kbd_macro, Sexecute_kbd_macro, 1, 3, 0,
doc: /* Execute MACRO as string of editor command characters.
If MACRO is a symbol, its function definition is used.
COUNT is a repeat count, or nil for once, or 0 for infinite loop.
Optional third arg LOOPFUNC may be a function that is called prior to
each iteration of the macro. Iteration stops if LOOPFUNC returns nil. */)
(macro, count, loopfunc)
Lisp_Object macro, count, loopfunc;
Lisp_Object final;
Lisp_Object tem;
int pdlcount = SPECPDL_INDEX ();
int repeat = 1;
struct gcpro gcpro1, gcpro2;
int success_count = 0;
executing_kbd_macro_iterations = 0;
if (!NILP (count))
count = Fprefix_numeric_value (count);
repeat = XINT (count);
final = indirect_function (macro);
if (!STRINGP (final) && !VECTORP (final))
error ("Keyboard macros must be strings or vectors");
tem = Fcons (Vexecuting_kbd_macro,
Fcons (make_number (executing_kbd_macro_index),
record_unwind_protect (pop_kbd_macro, tem);
GCPRO2 (final, loopfunc);
Vexecuting_kbd_macro = final;
executing_kbd_macro = final;
executing_kbd_macro_index = 0;
current_kboard->Vprefix_arg = Qnil;
if (!NILP (loopfunc))
Lisp_Object cont;
cont = call0 (loopfunc);
if (NILP (cont))
command_loop_1 ();
executing_kbd_macro_iterations = ++success_count;
while (--repeat
&& (STRINGP (Vexecuting_kbd_macro) || VECTORP (Vexecuting_kbd_macro)));
executing_kbd_macro = Qnil;
real_this_command = Vexecuting_kbd_macro;
return unbind_to (pdlcount, Qnil);
init_macros ()
Vexecuting_kbd_macro = Qnil;
executing_kbd_macro = Qnil;
syms_of_macros ()
Qexecute_kbd_macro = intern_c_string ("execute-kbd-macro");
staticpro (&Qexecute_kbd_macro);
Qkbd_macro_termination_hook = intern_c_string ("kbd-macro-termination-hook");
staticpro (&Qkbd_macro_termination_hook);
defsubr (&Sstart_kbd_macro);
defsubr (&Send_kbd_macro);
defsubr (&Scall_last_kbd_macro);
defsubr (&Sexecute_kbd_macro);
defsubr (&Scancel_kbd_macro_events);
defsubr (&Sstore_kbd_macro_event);
DEFVAR_KBOARD ("defining-kbd-macro", defining_kbd_macro,
doc: /* Non-nil while a keyboard macro is being defined. Don't set this!
The value is the symbol `append' while appending to the definition of
an existing macro. */);
DEFVAR_LISP ("executing-kbd-macro", &Vexecuting_kbd_macro,
doc: /* Currently executing keyboard macro (string or vector).
This is nil when not executing a keyboard macro. */);
DEFVAR_INT ("executing-kbd-macro-index", &executing_kbd_macro_index,
doc: /* Index in currently executing keyboard macro; undefined if none executing. */);
DEFVAR_KBOARD ("last-kbd-macro", Vlast_kbd_macro,
doc: /* Last kbd macro defined, as a string or vector; nil if none defined. */);
/* arch-tag: d293fcc9-2266-4163-9198-7fa0de12ec9e
(do not change this comment) */