/* Keyboard macros. Copyright (C) 1985, 1986 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 1, 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 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Emacs; see the file COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "config.h" #include "lisp.h" #include "macros.h" #include "commands.h" #include "buffer.h" #include "window.h" int defining_kbd_macro; char *kbd_macro_buffer; char *kbd_macro_ptr; char *kbd_macro_end; int kbd_macro_bufsize; Lisp_Object Vlast_kbd_macro; Lisp_Object Vexecuting_macro; int executing_macro_index; 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 (defining_kbd_macro) error ("Already defining kbd macro"); update_mode_lines++; if (NULL (append)) { kbd_macro_ptr = kbd_macro_buffer; kbd_macro_end = kbd_macro_buffer; message("Defining kbd macro..."); } else { message("Appending to kbd macro..."); kbd_macro_ptr = kbd_macro_end; Fexecute_kbd_macro (Vlast_kbd_macro, make_number (1)); } defining_kbd_macro = 1; 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\ With numeric arg, repeat macro now that many times,\n\ counting the definition just completed as the first repetition.") (arg) Lisp_Object arg; { if (!defining_kbd_macro) error ("Not defining kbd macro."); if (NULL (arg)) XFASTINT (arg) = 1; else CHECK_NUMBER (arg, 0); if (defining_kbd_macro) { defining_kbd_macro = 0; update_mode_lines++; Vlast_kbd_macro = make_string (kbd_macro_buffer, kbd_macro_end - kbd_macro_buffer); message("Keyboard macro defined"); } if (XFASTINT (arg) == 0) Fexecute_kbd_macro (Vlast_kbd_macro, arg); else { XFASTINT (arg)--; if (XFASTINT (arg) > 0) Fexecute_kbd_macro (Vlast_kbd_macro, arg); } return Qnil; } /* Store character c into kbd macro being defined */ store_kbd_macro_char (c) unsigned char c; { if (defining_kbd_macro) { if (kbd_macro_ptr - kbd_macro_buffer == kbd_macro_bufsize) { register char *new = (char *) xrealloc (kbd_macro_buffer, kbd_macro_bufsize *= 2); kbd_macro_ptr += new - kbd_macro_buffer; kbd_macro_end = new + kbd_macro_bufsize; kbd_macro_buffer = new; } *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 () { kbd_macro_end = kbd_macro_ptr; } 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\ To make a macro permanent so you can call it even after\n\ defining others, use \\[name-last-kbd-macro].") (prefix) Lisp_Object prefix; { if (defining_kbd_macro) error ("Can't execute anonymous macro while defining one"); else if (NULL (Vlast_kbd_macro)) error ("No kbd macro has been defined"); else Fexecute_kbd_macro (Vlast_kbd_macro, prefix); return Qnil; } static Lisp_Object pop_kbd_macro (info) Lisp_Object info; { Lisp_Object tem; Vexecuting_macro = Fcar (info); tem = Fcdr (info); executing_macro_index = XINT (tem); 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, prefixarg) Lisp_Object macro, prefixarg; { Lisp_Object final; Lisp_Object tem; int count = specpdl_ptr - specpdl; int repeat = 1; struct gcpro gcpro1; if (!NULL (prefixarg)) prefixarg = Fprefix_numeric_value (prefixarg), repeat = XINT (prefixarg); final = macro; while (XTYPE (final) == Lisp_Symbol && !EQ (final, Qunbound)) final = XSYMBOL (final)->function; CHECK_STRING (final, 0); XFASTINT (tem) = executing_macro_index; tem = Fcons (Vexecuting_macro, tem); record_unwind_protect (pop_kbd_macro, tem); GCPRO1 (final); do { Vexecuting_macro = final; executing_macro_index = 0; command_loop_1 (); } while (--repeat && XTYPE (Vexecuting_macro) == Lisp_String); UNGCPRO; unbind_to (count); return Qnil; } init_macros () { Vlast_kbd_macro = Qnil; defining_kbd_macro = 0; Vexecuting_macro = Qnil; } syms_of_macros () { kbd_macro_bufsize = 100; kbd_macro_buffer = (char *) malloc (kbd_macro_bufsize); defsubr (&Sstart_kbd_macro); defsubr (&Send_kbd_macro); defsubr (&Scall_last_kbd_macro); defsubr (&Sexecute_kbd_macro); DEFVAR_BOOL ("defining-kbd-macro", &defining_kbd_macro, "Non-nil means store keyboard input into kbd macro being defined."); DEFVAR_LISP ("executing-macro", &Vexecuting_macro, "Currently executing keyboard macro (a string); nil if none executing."); DEFVAR_LISP ("executing-kbd-macro", &Vexecuting_macro, "Currently executing keyboard macro (a string); nil if none executing."); DEFVAR_LISP ("last-kbd-macro", &Vlast_kbd_macro, "Last kbd macro defined, as a string; nil if none defined."); } keys_of_macros () { ndefkey (Vctl_x_map, ('e'), "call-last-kbd-macro"); ndefkey (Vctl_x_map, ('('), "start-kbd-macro"); ndefkey (Vctl_x_map, (')'), "end-kbd-macro"); }