/* Simple built-in editing commands.
- Copyright (C) 1985, 93, 94, 95, 96, 97, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1985, 93, 94, 95, 96, 97, 1998, 2001 Free Software Foundation, Inc.
This file is part of GNU Emacs.
#include "syntax.h"
#include "window.h"
#include "keyboard.h"
+#include "keymap.h"
+#include "dispextern.h"
Lisp_Object Qkill_forward_chars, Qkill_backward_chars, Vblink_paren_function;
extern Lisp_Object Qface;
\f
DEFUN ("forward-point", Fforward_point, Sforward_point, 1, 1, 0,
- "Return buffer position N characters after (before if N negative) point.")
- (n)
+ doc: /* Return buffer position N characters after (before if N negative) point. */)
+ (n)
Lisp_Object n;
{
- CHECK_NUMBER (n, 0);
+ CHECK_NUMBER (n);
return make_number (PT + XINT (n));
}
DEFUN ("forward-char", Fforward_char, Sforward_char, 0, 1, "p",
- "Move point right N characters (left if N is negative).\n\
-On reaching end of buffer, stop and signal error.")
- (n)
+ doc: /* Move point right N characters (left if N is negative).
+On reaching end of buffer, stop and signal error. */)
+ (n)
Lisp_Object n;
{
if (NILP (n))
XSETFASTINT (n, 1);
else
- CHECK_NUMBER (n, 0);
+ CHECK_NUMBER (n);
/* This used to just set point to point + XINT (n), and then check
to see if it was within boundaries. But now that SET_PT can
}
DEFUN ("backward-char", Fbackward_char, Sbackward_char, 0, 1, "p",
- "Move point left N characters (right if N is negative).\n\
-On attempt to pass beginning or end of buffer, stop and signal error.")
- (n)
+ doc: /* Move point left N characters (right if N is negative).
+On attempt to pass beginning or end of buffer, stop and signal error. */)
+ (n)
Lisp_Object n;
{
if (NILP (n))
XSETFASTINT (n, 1);
else
- CHECK_NUMBER (n, 0);
+ CHECK_NUMBER (n);
XSETINT (n, - XINT (n));
return Fforward_char (n);
}
DEFUN ("forward-line", Fforward_line, Sforward_line, 0, 1, "p",
- "Move N lines forward (backward if N is negative).\n\
-Precisely, if point is on line I, move to the start of line I + N.\n\
-If there isn't room, go as far as possible (no error).\n\
-Returns the count of lines left to move. If moving forward,\n\
-that is N - number of lines moved; if backward, N + number moved.\n\
-With positive N, a non-empty line at the end counts as one line\n\
- successfully moved (for the return value).")
- (n)
+ doc: /* Move N lines forward (backward if N is negative).
+Precisely, if point is on line I, move to the start of line I + N.
+If there isn't room, go as far as possible (no error).
+Returns the count of lines left to move. If moving forward,
+that is N - number of lines moved; if backward, N + number moved.
+With positive N, a non-empty line at the end counts as one line
+ successfully moved (for the return value). */)
+ (n)
Lisp_Object n;
{
int opoint = PT, opoint_byte = PT_BYTE;
int pos, pos_byte;
int count, shortage;
- int temp;
if (NILP (n))
count = 1;
else
{
- CHECK_NUMBER (n, 0);
+ CHECK_NUMBER (n);
count = XINT (n);
}
return make_number (count <= 0 ? - shortage : shortage);
}
-DEFUN ("beginning-of-line", Fbeginning_of_line, Sbeginning_of_line,
- 0, 1, "p",
- "Move point to beginning of current line.\n\
-With argument N not nil or 1, move forward N - 1 lines first.\n\
-If scan reaches end of buffer, stop there without error.")
- (n)
+DEFUN ("beginning-of-line", Fbeginning_of_line, Sbeginning_of_line, 0, 1, "p",
+ doc: /* Move point to beginning of current line.
+With argument N not nil or 1, move forward N - 1 lines first.
+If point reaches the beginning or end of buffer, it stops there.
+
+This command does not move point across a field boundary unless doing so
+would move beyond there to a different line; If N is nil or 1, and point
+starts at a field boundary, point does not move. To ignore field
+boundaries, either bind `inhibit-field-text-motion' to t, or use the
+`forward-line' function instead. For instance, `(forward-line 0)' does
+the same thing as `(beginning-of-line)', except that it ignores field
+boundaries. */)
+ (n)
Lisp_Object n;
{
if (NILP (n))
XSETFASTINT (n, 1);
else
- CHECK_NUMBER (n, 0);
+ CHECK_NUMBER (n);
SET_PT (XINT (Fline_beginning_position (n)));
+
return Qnil;
}
-DEFUN ("end-of-line", Fend_of_line, Send_of_line,
- 0, 1, "p",
- "Move point to end of current line.\n\
-With argument N not nil or 1, move forward N - 1 lines first.\n\
-If scan reaches end of buffer, stop there without error.")
- (n)
+DEFUN ("end-of-line", Fend_of_line, Send_of_line, 0, 1, "p",
+ doc: /* Move point to end of current line.
+With argument N not nil or 1, move forward N - 1 lines first.
+If point reaches the beginning or end of buffer, it stops there.
+To ignore intangibility, bind `inhibit-text-motion-hooks' to t.
+
+This command does not move point across a field boundary unless doing so
+would move beyond there to a different line; if N is nil or 1, and
+point starts at a field boundary, point does not move. To ignore field
+boundaries bind `inhibit-field-text-motion' to t. */)
+ (n)
Lisp_Object n;
{
- register int pos;
- register int stop;
+ int newpos;
if (NILP (n))
XSETFASTINT (n, 1);
else
- CHECK_NUMBER (n, 0);
+ CHECK_NUMBER (n);
- SET_PT (XINT (Fline_end_position (n)));
+ while (1)
+ {
+ newpos = XINT (Fline_end_position (n));
+ SET_PT (newpos);
+
+ if (PT > newpos
+ && FETCH_CHAR (PT - 1) == '\n')
+ {
+ /* If we skipped over a newline that follows
+ an invisible intangible run,
+ move back to the last tangible position
+ within the line. */
+
+ SET_PT (PT - 1);
+ break;
+ }
+ else if (PT > newpos && PT < ZV
+ && FETCH_CHAR (PT) != '\n')
+ /* If we skipped something intangible
+ and now we're not really at eol,
+ keep going. */
+ n = make_number (1);
+ else
+ break;
+ }
return Qnil;
}
DEFUN ("delete-char", Fdelete_char, Sdelete_char, 1, 2, "p\nP",
- "Delete the following N characters (previous if N is negative).\n\
-Optional second arg KILLFLAG non-nil means kill instead (save in kill ring).\n\
-Interactively, N is the prefix arg, and KILLFLAG is set if\n\
-N was explicitly specified.")
- (n, killflag)
+ doc: /* Delete the following N characters (previous if N is negative).
+Optional second arg KILLFLAG non-nil means kill instead (save in kill ring).
+Interactively, N is the prefix arg, and KILLFLAG is set if
+N was explicitly specified. */)
+ (n, killflag)
Lisp_Object n, killflag;
{
int pos;
- CHECK_NUMBER (n, 0);
+ CHECK_NUMBER (n);
pos = PT + XINT (n);
if (NILP (killflag))
}
DEFUN ("delete-backward-char", Fdelete_backward_char, Sdelete_backward_char,
- 1, 2, "p\nP",
- "Delete the previous N characters (following if N is negative).\n\
-Optional second arg KILLFLAG non-nil means kill instead (save in kill ring).\n\
-Interactively, N is the prefix arg, and KILLFLAG is set if\n\
-N was explicitly specified.")
- (n, killflag)
+ 1, 2, "p\nP",
+ doc: /* Delete the previous N characters (following if N is negative).
+Optional second arg KILLFLAG non-nil means kill instead (save in kill ring).
+Interactively, N is the prefix arg, and KILLFLAG is set if
+N was explicitly specified. */)
+ (n, killflag)
Lisp_Object n, killflag;
{
Lisp_Object value;
int deleted_special = 0;
- int pos, i;
+ int pos, pos_byte, i;
- CHECK_NUMBER (n, 0);
+ CHECK_NUMBER (n);
/* See if we are about to delete a tab or newline backwards. */
- pos = PT_BYTE;
- for (i = 0; i < XINT (n) && pos > BEGV_BYTE; i++)
+ pos = PT;
+ pos_byte = PT_BYTE;
+ for (i = 0; i < XINT (n) && pos_byte > BEGV_BYTE; i++)
{
int c;
- DEC_POS (pos);
- c = FETCH_BYTE (pos);
+ DEC_BOTH (pos, pos_byte);
+ c = FETCH_BYTE (pos_byte);
if (c == '\t' || c == '\n')
{
deleted_special = 1;
}
DEFUN ("self-insert-command", Fself_insert_command, Sself_insert_command, 1, 1, "p",
- "Insert the character you type.\n\
-Whichever character you type to run this command is inserted.")
- (n)
+ doc: /* Insert the character you type.
+Whichever character you type to run this command is inserted. */)
+ (n)
Lisp_Object n;
{
int character = XINT (last_command_char);
- CHECK_NUMBER (n, 0);
+ CHECK_NUMBER (n);
/* Barf if the key that invoked this was not a character. */
if (!INTEGERP (last_command_char))
return 0. A value of 1 indicates this *might* not have been simple.
A value of 2 means this did things that call for an undo boundary. */
+int
internal_self_insert (c, noautofill)
int c;
int noautofill;
/* Length of multi-byte form of C. */
int len;
/* Working buffer and pointer for multi-byte form of C. */
- unsigned char workbuf[4], *str;
+ unsigned char str[MAX_MULTIBYTE_LENGTH];
int chars_to_delete = 0;
int spaces_to_insert = 0;
- if (! NILP (current_buffer->enable_multibyte_characters))
- c = unibyte_char_to_multibyte (c);
-
overwrite = current_buffer->overwrite_mode;
- if (!NILP (Vbefore_change_function) || !NILP (Vafter_change_function)
- || !NILP (Vbefore_change_functions) || !NILP (Vafter_change_functions))
+ if (!NILP (Vbefore_change_functions) || !NILP (Vafter_change_functions))
hairy = 1;
/* At first, get multi-byte form of C in STR. */
if (!NILP (current_buffer->enable_multibyte_characters))
- len = CHAR_STRING (c, workbuf, str);
+ {
+ c = unibyte_char_to_multibyte (c);
+ len = CHAR_STRING (c, str);
+ if (len == 1)
+ /* If C has modifier bits, this makes C an appropriate
+ one-byte char. */
+ c = *str;
+ }
else
- workbuf[0] = c, str = workbuf, len = 1;
-
+ {
+ str[0] = (SINGLE_BYTE_CHAR_P (c)
+ ? c
+ : multibyte_char_to_unibyte (c, Qnil));
+ len = 1;
+ }
if (!NILP (overwrite)
&& PT < ZV)
{
&& XINT (current_buffer->tab_width) > 0
&& XFASTINT (current_buffer->tab_width) < 20
&& (target_clm = (current_column ()
- + XINT (Fchar_width (make_number (c2)))),
+ + XINT (Fchar_width (make_number (c)))),
target_clm % XFASTINT (current_buffer->tab_width)))))
{
int pos = PT;
sym = Fexpand_abbrev ();
- /* If we expanded an abbrev which has only a hook,
+ /* If we expanded an abbrev which has a hook,
and the hook has a non-nil `no-self-insert' property,
return right away--don't really self-insert. */
if (! NILP (sym) && ! NILP (XSYMBOL (sym)->function)
if (chars_to_delete)
{
- string = make_multibyte_string (str, 1, len);
+ string = make_string_from_bytes (str, 1, len);
if (spaces_to_insert)
{
tem = Fmake_string (make_number (spaces_to_insert),
string = concat2 (tem, string);
}
- replace_range (PT, PT + chars_to_delete, string, 1, 1);
- SET_PT_BOTH (PT + 1 + spaces_to_insert,
- PT_BYTE + XSTRING (string)->size);
+ replace_range (PT, PT + chars_to_delete, string, 1, 1, 1);
+ Fforward_char (make_number (1 + spaces_to_insert));
}
else
insert_and_inherit (str, len);
- if ((c == ' ' || c == '\n')
+ if ((CHAR_TABLE_P (Vauto_fill_chars)
+ ? !NILP (CHAR_TABLE_REF (Vauto_fill_chars, c))
+ : (c == ' ' || c == '\n'))
&& !noautofill
&& !NILP (current_buffer->auto_fill_function))
{
hairy = 2;
}
-#ifdef HAVE_FACES
/* If previous command specified a face to use, use it. */
if (!NILP (Vself_insert_face)
&& EQ (current_kboard->Vlast_command, Vself_insert_face_command))
Qface, Vself_insert_face, Qnil);
Vself_insert_face = Qnil;
}
-#endif
synt = SYNTAX (c);
if ((synt == Sclose || synt == Smath)
\f
/* module initialization */
+void
syms_of_cmds ()
{
Qkill_backward_chars = intern ("kill-backward-chars");
staticpro (&Qoverwrite_mode_binary);
DEFVAR_LISP ("self-insert-face", &Vself_insert_face,
- "If non-nil, set the face of the next self-inserting character to this.\n\
-See also `self-insert-face-command'.");
+ doc: /* If non-nil, set the face of the next self-inserting character to this.
+See also `self-insert-face-command'. */);
Vself_insert_face = Qnil;
DEFVAR_LISP ("self-insert-face-command", &Vself_insert_face_command,
- "This is the command that set up `self-insert-face'.\n\
-If `last-command' does not equal this value, we ignore `self-insert-face'.");
+ doc: /* This is the command that set up `self-insert-face'.
+If `last-command' does not equal this value, we ignore `self-insert-face'. */);
Vself_insert_face_command = Qnil;
DEFVAR_LISP ("blink-paren-function", &Vblink_paren_function,
- "Function called, if non-nil, whenever a close parenthesis is inserted.\n\
-More precisely, a char with closeparen syntax is self-inserted.");
+ doc: /* Function called, if non-nil, whenever a close parenthesis is inserted.
+More precisely, a char with closeparen syntax is self-inserted. */);
Vblink_paren_function = Qnil;
defsubr (&Sforward_point);
defsubr (&Sself_insert_command);
}
+void
keys_of_cmds ()
{
int n;
HCoop / bpt / emacs.git / blobdiff