#include <config.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;
Lisp_Object Vexecuting_macro;
int executing_macro_index;
int executing_macro_iterations;
Lisp_Object executing_macro;
extern Lisp_Object real_this_command;
Lisp_Object Fexecute_kbd_macro ();
DEFUN ("start-kbd-macro", Fstart_kbd_macro, Sstart_kbd_macro, 1, 1, "P",
"Record subsequent keyboard input, defining a keyboard macro.\n\
The commands are recorded even as they are executed.\n\
Use \\[end-kbd-macro] to finish recording and make the macro available.\n\
Use \\[name-last-kbd-macro] to give it a permanent name.\n\
Non-nil arg (prefix arg) means append to last macro defined;\n\
this begins by re-executing that macro as if you typed it again.")
(append)
Lisp_Object append;
{
if (!NILP (current_kboard->defining_kbd_macro))
error ("Already defining kbd macro");
if (!current_kboard->kbd_macro_buffer)
{
current_kboard->kbd_macro_bufsize = 30;
current_kboard->kbd_macro_buffer
= (Lisp_Object *)xmalloc (30 * sizeof (Lisp_Object));
}
update_mode_lines++;
if (NILP (append))
{
if (current_kboard->kbd_macro_bufsize > 200)
{
current_kboard->kbd_macro_bufsize = 30;
current_kboard->kbd_macro_buffer
= (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...");
}
else
{
int i, len;
if (!STRINGP (current_kboard->Vlast_kbd_macro)
&& !VECTORP (current_kboard->Vlast_kbd_macro))
current_kboard->Vlast_kbd_macro
= wrong_type_argument (Qarrayp, current_kboard->Vlast_kbd_macro);
len = XINT (Flength (current_kboard->Vlast_kbd_macro));
if (current_kboard->kbd_macro_bufsize < len + 30)
{
current_kboard->kbd_macro_bufsize = len + 30;
current_kboard->kbd_macro_buffer
= (Lisp_Object *)xrealloc (current_kboard->kbd_macro_buffer,
(len + 30) * sizeof (Lisp_Object));
}
for (i = 0; i < len; i++)
current_kboard->kbd_macro_buffer[i]
= Faref (current_kboard->Vlast_kbd_macro, make_number (i));
current_kboard->kbd_macro_ptr = current_kboard->kbd_macro_buffer + len;
current_kboard->kbd_macro_end = current_kboard->kbd_macro_ptr;
Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro,
make_number (1));
message ("Appending to kbd macro...");
}
current_kboard->defining_kbd_macro = Qt;
return Qnil;
}
DEFUN ("end-kbd-macro", Fend_kbd_macro, Send_kbd_macro, 0, 1, "p",
"Finish defining a keyboard macro.\n\
The definition was started by \\[start-kbd-macro].\n\
The macro is now available for use via \\[call-last-kbd-macro],\n\
or it can be given a name with \\[name-last-kbd-macro] and then invoked\n\
under that name.\n\
\n\
With numeric arg, repeat macro now that many times,\n\
counting the definition just completed as the first repetition.\n\
An argument of zero means repeat until error.")
(repeat)
Lisp_Object repeat;
{
if (NILP (current_kboard->defining_kbd_macro))
error ("Not defining kbd macro");
if (NILP (repeat))
XSETFASTINT (repeat, 1);
else
CHECK_NUMBER (repeat, 0);
if (!NILP (current_kboard->defining_kbd_macro))
{
current_kboard->defining_kbd_macro = Qnil;
update_mode_lines++;
current_kboard->Vlast_kbd_macro
= make_event_array ((current_kboard->kbd_macro_end
- current_kboard->kbd_macro_buffer),
current_kboard->kbd_macro_buffer);
message ("Keyboard macro defined");
}
if (XFASTINT (repeat) == 0)
Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, repeat);
else
{
XSETINT (repeat, XINT (repeat)-1);
if (XINT (repeat) > 0)
Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, repeat);
}
return Qnil;
}
void
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;
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;
}
}
void
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,
"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,
"Store EVENT into the keyboard macro being defined.")
(event)
Lisp_Object event;
{
store_kbd_macro_char (event);
return Qnil;
}
DEFUN ("call-last-kbd-macro", Fcall_last_kbd_macro, Scall_last_kbd_macro,
0, 1, "p",
"Call the last keyboard macro that you defined with \\[start-kbd-macro].\n\
\n\
A prefix argument serves as a repeat count. Zero means repeat until error.\n\
\n\
To make a macro permanent so you can call it even after\n\
defining others, use \\[name-last-kbd-macro].")
(prefix)
Lisp_Object prefix;
{
Vthis_command = current_kboard->Vlast_command;
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");
else
Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro, prefix);
Vthis_command = current_kboard->Vlast_command;
return Qnil;
}
static Lisp_Object
pop_kbd_macro (info)
Lisp_Object info;
{
Lisp_Object tem;
Vexecuting_macro = XCAR (info);
tem = XCDR (info);
executing_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, 2, 0,
"Execute MACRO as string of editor command characters.\n\
If MACRO is a symbol, its function definition is used.\n\
COUNT is a repeat count, or nil for once, or 0 for infinite loop.")
(macro, count)
Lisp_Object macro, count;
{
Lisp_Object final;
Lisp_Object tem;
int pdlcount = specpdl_ptr - specpdl;
int repeat = 1;
struct gcpro gcpro1;
int success_count = 0;
executing_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_macro,
Fcons (make_number (executing_macro_index),
real_this_command));
record_unwind_protect (pop_kbd_macro, tem);
GCPRO1 (final);
do
{
Vexecuting_macro = final;
executing_macro = final;
executing_macro_index = 0;
current_kboard->Vprefix_arg = Qnil;
command_loop_1 ();
executing_macro_iterations = ++success_count;
QUIT;
}
while (--repeat
&& (STRINGP (Vexecuting_macro) || VECTORP (Vexecuting_macro)));
executing_macro = Qnil;
real_this_command = Vexecuting_macro;
UNGCPRO;
return unbind_to (pdlcount, Qnil);
}
void
init_macros ()
{
Vexecuting_macro = Qnil;
executing_macro = Qnil;
}
void
syms_of_macros ()
{
Qexecute_kbd_macro = intern ("execute-kbd-macro");
staticpro (&Qexecute_kbd_macro);
Qkbd_macro_termination_hook = intern ("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,
"Non-nil while a keyboard macro is being defined. Don't set this!");
DEFVAR_LISP ("executing-macro", &Vexecuting_macro,
"Currently executing keyboard macro (string or vector); nil if none executing.");
DEFVAR_LISP_NOPRO ("executing-kbd-macro", &Vexecuting_macro,
"Currently executing keyboard macro (string or vector); nil if none executing.");
DEFVAR_KBOARD ("last-kbd-macro", Vlast_kbd_macro,
"Last kbd macro defined, as a string or vector; nil if none defined.");
}
void
keys_of_macros ()
{
initial_define_key (control_x_map, ('e'), "call-last-kbd-macro");
initial_define_key (control_x_map, ('('), "start-kbd-macro");
initial_define_key (control_x_map, (')'), "end-kbd-macro");
}