/* Simple built-in editing commands.
Copyright (C) 1985, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
+ Copyright (C) 2001 MORIOKA Tomohiko
This file is part of XEmacs.
/* This is the command that set up Vself_insert_face. */
Lisp_Object Vself_insert_face_command;
+
+/* A char-table for characters which may invoke auto-filling. */
+Lisp_Object Vauto_fill_chars;
\f
DEFUN ("forward-char", Fforward_char, 0, 2, "_p", /*
-Move point right ARG characters (left if ARG negative).
+Move point right COUNT characters (left if COUNT is negative).
On attempt to pass end of buffer, stop and signal `end-of-buffer'.
On attempt to pass beginning of buffer, stop and signal `beginning-of-buffer'.
On reaching end of buffer, stop and signal error.
+
+The characters that are moved over may be added to the current selection
+\(i.e. active region) if the Shift key is held down, a motion key is used
+to invoke this command, and `shifted-motion-keys-select-region' is t; see
+the documentation for this variable for more details.
*/
- (arg, buffer))
+ (count, buffer))
{
struct buffer *buf = decode_buffer (buffer, 1);
+ EMACS_INT n;
- if (NILP (arg))
- arg = make_int (1);
+ if (NILP (count))
+ n = 1;
else
- CHECK_INT (arg);
+ {
+ CHECK_INT (count);
+ n = XINT (count);
+ }
- /* This used to just set point to point + XINT (arg), and then check
+ /* This used to just set point to point + XINT (count), and then check
to see if it was within boundaries. But now that SET_PT can
potentially do a lot of stuff (calling entering and exiting
hooks, etcetera), that's not a good approach. So we validate the
proposed position, then set point. */
{
- Bufpos new_point = BUF_PT (buf) + XINT (arg);
+ Bufpos new_point = BUF_PT (buf) + n;
if (new_point < BUF_BEGV (buf))
{
}
DEFUN ("backward-char", Fbackward_char, 0, 2, "_p", /*
-Move point left ARG characters (right if ARG negative).
+Move point left COUNT characters (right if COUNT is negative).
On attempt to pass end of buffer, stop and signal `end-of-buffer'.
On attempt to pass beginning of buffer, stop and signal `beginning-of-buffer'.
+
+The characters that are moved over may be added to the current selection
+\(i.e. active region) if the Shift key is held down, a motion key is used
+to invoke this command, and `shifted-motion-keys-select-region' is t; see
+the documentation for this variable for more details.
*/
- (arg, buffer))
+ (count, buffer))
{
- if (NILP (arg))
- arg = make_int (1);
+ if (NILP (count))
+ count = make_int (-1);
else
- CHECK_INT (arg);
-
- XSETINT (arg, - XINT (arg));
- return Fforward_char (arg, buffer);
+ {
+ CHECK_INT (count);
+ count = make_int (- XINT (count));
+ }
+ return Fforward_char (count, buffer);
}
DEFUN ("forward-line", Fforward_line, 0, 2, "_p", /*
-Move ARG lines forward (backward if ARG is negative).
-Precisely, if point is on line I, move to the start of line I + ARG.
+Move COUNT lines forward (backward if COUNT is negative).
+Precisely, if point is on line I, move to the start of line I + COUNT.
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 ARG - number of lines moved; if backward, ARG + number moved.
-With positive ARG, a non-empty line at the end counts as one line
+that is COUNT - number of lines moved; if backward, COUNT + number moved.
+With positive COUNT, a non-empty line at the end counts as one line
successfully moved (for the return value).
If BUFFER is nil, the current buffer is assumed.
+
+The characters that are moved over may be added to the current selection
+\(i.e. active region) if the Shift key is held down, a motion key is used
+to invoke this command, and `shifted-motion-keys-select-region' is t; see
+the documentation for this variable for more details.
*/
- (arg, buffer))
+ (count, buffer))
{
struct buffer *buf = decode_buffer (buffer, 1);
Bufpos pos2 = BUF_PT (buf);
Bufpos pos;
- EMACS_INT count, shortage, negp;
+ EMACS_INT n, shortage, negp;
- if (NILP (arg))
- count = 1;
+ if (NILP (count))
+ n = 1;
else
{
- CHECK_INT (arg);
- count = XINT (arg);
+ CHECK_INT (count);
+ n = XINT (count);
}
- negp = count <= 0;
- pos = scan_buffer (buf, '\n', pos2, 0, count - negp, &shortage, 1);
+ negp = n <= 0;
+ pos = scan_buffer (buf, '\n', pos2, 0, n - negp, &shortage, 1);
if (shortage > 0
&& (negp
|| (BUF_ZV (buf) > BUF_BEGV (buf)
DEFUN ("point-at-bol", Fpoint_at_bol, 0, 2, 0, /*
Return the character position of the first character on the current line.
-With argument N not nil or 1, move forward N - 1 lines first.
+With argument COUNT not nil or 1, move forward COUNT - 1 lines first.
If scan reaches end of buffer, return that position.
This function does not move point.
*/
- (arg, buffer))
+ (count, buffer))
{
struct buffer *b = decode_buffer (buffer, 1);
REGISTER int orig, end;
XSETBUFFER (buffer, b);
- if (NILP (arg))
- arg = make_int (1);
+ if (NILP (count))
+ count = make_int (0);
else
- CHECK_INT (arg);
+ {
+ CHECK_INT (count);
+ count = make_int (XINT (count) - 1);
+ }
- orig = BUF_PT(b);
- Fforward_line (make_int (XINT (arg) - 1), buffer);
- end = BUF_PT(b);
- BUF_SET_PT(b, orig);
+ orig = BUF_PT (b);
+ Fforward_line (count, buffer);
+ end = BUF_PT (b);
+ BUF_SET_PT (b, orig);
return make_int (end);
}
DEFUN ("beginning-of-line", Fbeginning_of_line, 0, 2, "_p", /*
Move point to beginning of current line.
-With argument ARG not nil or 1, move forward ARG - 1 lines first.
+With argument COUNT not nil or 1, move forward COUNT - 1 lines first.
If scan reaches end of buffer, stop there without error.
If BUFFER is nil, the current buffer is assumed.
+
+The characters that are moved over may be added to the current selection
+\(i.e. active region) if the Shift key is held down, a motion key is used
+to invoke this command, and `shifted-motion-keys-select-region' is t; see
+the documentation for this variable for more details.
*/
- (arg, buffer))
+ (count, buffer))
{
struct buffer *b = decode_buffer (buffer, 1);
- BUF_SET_PT(b, XINT (Fpoint_at_bol(arg, buffer)));
+ BUF_SET_PT (b, XINT (Fpoint_at_bol (count, buffer)));
return Qnil;
}
DEFUN ("point-at-eol", Fpoint_at_eol, 0, 2, 0, /*
Return the character position of the last character on the current line.
-With argument N not nil or 1, move forward N - 1 lines first.
+With argument COUNT not nil or 1, move forward COUNT - 1 lines first.
If scan reaches end of buffer, return that position.
This function does not move point.
*/
- (arg, buffer))
+ (count, buffer))
{
struct buffer *buf = decode_buffer (buffer, 1);
+ EMACS_INT n;
- XSETBUFFER (buffer, buf);
-
- if (NILP (arg))
- arg = make_int (1);
+ if (NILP (count))
+ n = 1;
else
- CHECK_INT (arg);
+ {
+ CHECK_INT (count);
+ n = XINT (count);
+ }
return make_int (find_before_next_newline (buf, BUF_PT (buf), 0,
- XINT (arg) - (XINT (arg) <= 0)));
+ n - (n <= 0)));
}
DEFUN ("end-of-line", Fend_of_line, 0, 2, "_p", /*
Move point to end of current line.
-With argument ARG not nil or 1, move forward ARG - 1 lines first.
+With argument COUNT not nil or 1, move forward COUNT - 1 lines first.
If scan reaches end of buffer, stop there without error.
If BUFFER is nil, the current buffer is assumed.
+
+The characters that are moved over may be added to the current selection
+\(i.e. active region) if the Shift key is held down, a motion key is used
+to invoke this command, and `shifted-motion-keys-select-region' is t; see
+the documentation for this variable for more details.
*/
- (arg, buffer))
+ (count, buffer))
{
struct buffer *b = decode_buffer (buffer, 1);
- BUF_SET_PT(b, XINT (Fpoint_at_eol (arg, buffer)));
+ BUF_SET_PT (b, XINT (Fpoint_at_eol (count, buffer)));
return Qnil;
}
-DEFUN ("delete-char", Fdelete_char, 1, 2, "*p\nP", /*
-Delete the following ARG characters (previous, with negative arg).
-Optional second arg KILLFLAG non-nil means kill instead (save in kill ring).
-Interactively, ARG is the prefix arg, and KILLFLAG is set if
-ARG was explicitly specified.
+DEFUN ("delete-char", Fdelete_char, 0, 2, "*p\nP", /*
+Delete the following COUNT characters (previous, with negative COUNT).
+Optional second arg KILLP non-nil means kill instead (save in kill ring).
+Interactively, COUNT is the prefix arg, and KILLP is set if
+COUNT was explicitly specified.
*/
- (arg, killflag))
+ (count, killp))
{
/* This function can GC */
Bufpos pos;
struct buffer *buf = current_buffer;
+ EMACS_INT n;
- CHECK_INT (arg);
+ if (NILP (count))
+ n = 1;
+ else
+ {
+ CHECK_INT (count);
+ n = XINT (count);
+ }
- pos = BUF_PT (buf) + XINT (arg);
- if (NILP (killflag))
+ pos = BUF_PT (buf) + n;
+ if (NILP (killp))
{
- if (XINT (arg) < 0)
+ if (n < 0)
{
if (pos < BUF_BEGV (buf))
signal_error (Qbeginning_of_buffer, Qnil);
}
else
{
- call1 (Qkill_forward_chars, arg);
+ call1 (Qkill_forward_chars, count);
}
return Qnil;
}
-DEFUN ("delete-backward-char", Fdelete_backward_char, 1, 2, "*p\nP", /*
-Delete the previous ARG characters (following, with negative ARG).
-Optional second arg KILLFLAG non-nil means kill instead (save in kill ring).
-Interactively, ARG is the prefix arg, and KILLFLAG is set if
-ARG was explicitly specified.
+DEFUN ("delete-backward-char", Fdelete_backward_char, 0, 2, "*p\nP", /*
+Delete the previous COUNT characters (following, with negative COUNT).
+Optional second arg KILLP non-nil means kill instead (save in kill ring).
+Interactively, COUNT is the prefix arg, and KILLP is set if
+COUNT was explicitly specified.
*/
- (arg, killflag))
+ (count, killp))
{
/* This function can GC */
- CHECK_INT (arg);
- return Fdelete_char (make_int (-XINT (arg)), killflag);
+ EMACS_INT n;
+
+ if (NILP (count))
+ n = 1;
+ else
+ {
+ CHECK_INT (count);
+ n = XINT (count);
+ }
+
+ return Fdelete_char (make_int (- n), killp);
}
static void internal_self_insert (Emchar ch, int noautofill);
DEFUN ("self-insert-command", Fself_insert_command, 1, 1, "*p", /*
Insert the character you type.
Whichever character you type to run this command is inserted.
+If a prefix arg COUNT is specified, the character is inserted COUNT times.
*/
- (arg))
+ (count))
{
/* This function can GC */
- int n;
Emchar ch;
Lisp_Object c;
- CHECK_INT (arg);
+ EMACS_INT n;
+
+ CHECK_NATNUM (count);
+ n = XINT (count);
if (CHAR_OR_CHAR_INTP (Vlast_command_char))
c = Vlast_command_char;
c = Fevent_to_character (Vlast_command_event, Qnil, Qnil, Qt);
if (NILP (c))
- signal_simple_error ("last typed character has no ASCII equivalent",
+ signal_simple_error ("Last typed character has no ASCII equivalent",
Fcopy_event (Vlast_command_event, Qnil));
CHECK_CHAR_COERCE_INT (c);
- n = XINT (arg);
ch = XCHAR (c);
-#if 0 /* FSFmacs */
- /* #### This optimization won't work because of differences in
- how the start-open and end-open properties default for text
- properties. See internal_self_insert(). */
- if (n >= 2 && NILP (current_buffer->overwrite_mode))
- {
- n -= 2;
- /* The first one might want to expand an abbrev. */
- internal_self_insert (c, 1);
- /* The bulk of the copies of this char can be inserted simply.
- We don't have to handle a user-specified face specially
- because it will get inherited from the first char inserted. */
- Finsert_char (make_char (c), make_int (n), Qt, Qnil);
- /* The last one might want to auto-fill. */
- internal_self_insert (c, 0);
- }
- else
-#endif /* 0 */
- while (n > 0)
- {
- n--;
- internal_self_insert (ch, (n != 0));
- }
+
+ while (n--)
+ internal_self_insert (ch, (n != 0));
+
return Qnil;
}
REGISTER enum syntaxcode synt;
REGISTER Emchar c2;
Lisp_Object overwrite;
- struct Lisp_Char_Table *syntax_table;
+ Lisp_Char_Table *syntax_table;
struct buffer *buf = current_buffer;
+ int tab_width;
overwrite = buf->overwrite_mode;
+#ifdef UTF2000
+ syntax_table = XCHAR_TABLE (buf->syntax_table);
+#else
syntax_table = XCHAR_TABLE (buf->mirror_syntax_table);
+#endif
#if 0
/* No, this is very bad, it makes undo *always* undo a character at a time
|| (c1 != '\n' && BUF_FETCH_CHAR (buf, BUF_PT (buf)) != '\n'))
&& (EQ (overwrite, Qoverwrite_mode_binary)
|| BUF_FETCH_CHAR (buf, BUF_PT (buf)) != '\t'
- || XINT (buf->tab_width) <= 0
- || XINT (buf->tab_width) > 20
- || !((current_column (buf) + 1) % XINT (buf->tab_width))))
+ || ((tab_width = XINT (buf->tab_width), tab_width <= 0)
+ || tab_width > 20
+ || !((current_column (buf) + 1) % tab_width))))
{
buffer_delete_range (buf, BUF_PT (buf), BUF_PT (buf) + 1, 0);
/* hairy = 2; */
#endif /* FSFmacs */
}
}
- if ((c1 == ' ' || c1 == '\n')
+ if ((CHAR_TABLEP (Vauto_fill_chars)
+ ? !NILP (XCHAR_TABLE_VALUE_UNSAFE (Vauto_fill_chars, c1))
+ : (c1 == ' ' || c1 == '\n'))
&& !noautofill
&& !NILP (buf->auto_fill_function))
{
/* (this comes from Mule but is a generally good idea) */
DEFUN ("self-insert-internal", Fself_insert_internal, 1, 1, 0, /*
-Invoke `self-insert-command' as if CH is entered from keyboard.
+Invoke `self-insert-command' as if CHARACTER is entered from keyboard.
*/
- (ch))
+ (character))
{
/* This function can GC */
- CHECK_CHAR_COERCE_INT (ch);
- internal_self_insert (XCHAR (ch), 0);
+ CHECK_CHAR_COERCE_INT (character);
+ internal_self_insert (XCHAR (character), 0);
return Qnil;
}
\f
More precisely, a char with closeparen syntax is self-inserted.
*/ );
Vblink_paren_function = Qnil;
+
+ DEFVAR_LISP ("auto-fill-chars", &Vauto_fill_chars /*
+A char-table for characters which invoke auto-filling.
+Such characters have value t in this table.
+*/);
+ Vauto_fill_chars = Fmake_char_table (Qgeneric);
+#ifdef UTF2000
+ put_char_id_table_0 (XCHAR_TABLE (Vauto_fill_chars), ' ', Qt);
+ put_char_id_table_0 (XCHAR_TABLE (Vauto_fill_chars), '\n', Qt);
+#else
+ XCHAR_TABLE (Vauto_fill_chars)->ascii[' '] = Qt;
+ XCHAR_TABLE (Vauto_fill_chars)->ascii['\n'] = Qt;
+#endif
}
projects / chise / xemacs-chise.git.1 / blobdiff