/* Simple built-in editing commands.
- Copyright (C) 1985, 1993, 1994, 1995, 1996, 1997, 1998, 2001, 2002,
- 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
- Free Software Foundation, Inc.
+
+Copyright (C) 1985, 1993-1998, 2001-2011 Free Software Foundation, Inc.
This file is part of GNU Emacs.
#include "dispextern.h"
#include "frame.h"
-Lisp_Object Qkill_forward_chars, Qkill_backward_chars, Vblink_paren_function;
+static Lisp_Object Qkill_forward_chars, Qkill_backward_chars;
/* A possible value for a buffer's overwrite-mode variable. */
-Lisp_Object Qoverwrite_mode_binary;
+static Lisp_Object Qoverwrite_mode_binary;
-static int internal_self_insert (int, int);
+static int internal_self_insert (int, EMACS_INT);
\f
DEFUN ("forward-point", Fforward_point, Sforward_point, 1, 1, 0,
doc: /* Return buffer position N characters after (before if N negative) point. */)
hooks, etcetera), that's not a good approach. So we validate the
proposed position, then set point. */
{
- int new_point = PT + XINT (n);
+ EMACS_INT new_point = PT + XINT (n);
if (new_point < BEGV)
{
successfully moved (for the return value). */)
(Lisp_Object n)
{
- int opoint = PT, opoint_byte = PT_BYTE;
- int pos, pos_byte;
- int count, shortage;
+ EMACS_INT opoint = PT, opoint_byte = PT_BYTE;
+ EMACS_INT pos, pos_byte;
+ EMACS_INT count, shortage;
if (NILP (n))
count = 1;
to t. */)
(Lisp_Object n)
{
- int newpos;
+ EMACS_INT newpos;
if (NILP (n))
XSETFASTINT (n, 1);
Interactively, N is the prefix arg, and KILLFLAG is set if
N was explicitly specified.
-The command `delete-forward' is preferable for interactive use. */)
+The command `delete-forward-char' is preferable for interactive use. */)
(Lisp_Object n, Lisp_Object killflag)
{
- int pos;
+ EMACS_INT pos;
CHECK_NUMBER (n);
(Lisp_Object n)
{
int remove_boundary = 1;
- CHECK_NUMBER (n);
+ CHECK_NATNUM (n);
- if (!EQ (Vthis_command, current_kboard->Vlast_command))
+ if (!EQ (Vthis_command, KVAR (current_kboard, Vlast_command)))
nonundocount = 0;
if (NILP (Vexecuting_kbd_macro)
}
if (remove_boundary
- && CONSP (current_buffer->undo_list)
- && NILP (XCAR (current_buffer->undo_list)))
+ && CONSP (BVAR (current_buffer, undo_list))
+ && NILP (XCAR (BVAR (current_buffer, undo_list))))
/* Remove the undo_boundary that was just pushed. */
- current_buffer->undo_list = XCDR (current_buffer->undo_list);
+ BVAR (current_buffer, undo_list) = XCDR (BVAR (current_buffer, undo_list));
/* Barf if the key that invoked this was not a character. */
if (!CHARACTERP (last_command_event))
bitch_at_user ();
{
int character = translate_char (Vtranslation_table_for_input,
- XINT (last_command_event));
- if (XINT (n) >= 2 && NILP (current_buffer->overwrite_mode))
- {
- XSETFASTINT (n, XFASTINT (n) - 2);
- /* The first one might want to expand an abbrev. */
- internal_self_insert (character, 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_number (character), n, Qt);
- /* The last one might want to auto-fill. */
- internal_self_insert (character, 0);
- }
- else
- while (XINT (n) > 0)
- {
- int val;
- /* Ok since old and new vals both nonneg */
- XSETFASTINT (n, XFASTINT (n) - 1);
- val = internal_self_insert (character, XFASTINT (n) != 0);
- if (val == 2)
- nonundocount = 0;
- frame_make_pointer_invisible ();
- }
+ (int) XINT (last_command_event));
+ int val = internal_self_insert (character, XFASTINT (n));
+ if (val == 2)
+ nonundocount = 0;
+ frame_make_pointer_invisible ();
}
return Qnil;
}
-/* Insert character C. If NOAUTOFILL is nonzero, don't do autofill
- even if it is enabled.
+/* Insert N times character C
If this insertion is suitable for direct output (completely simple),
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. */
static Lisp_Object Qexpand_abbrev;
-static Lisp_Object Qpost_self_insert_hook, Vpost_self_insert_hook;
+static Lisp_Object Qpost_self_insert_hook;
static int
-internal_self_insert (int c, int noautofill)
+internal_self_insert (int c, EMACS_INT n)
{
int hairy = 0;
Lisp_Object tem;
register enum syntaxcode synt;
- Lisp_Object overwrite, string;
+ Lisp_Object overwrite;
/* Length of multi-byte form of C. */
int len;
/* Working buffer and pointer for multi-byte form of C. */
unsigned char str[MAX_MULTIBYTE_LENGTH];
- int chars_to_delete = 0;
- int spaces_to_insert = 0;
+ EMACS_INT chars_to_delete = 0;
+ EMACS_INT spaces_to_insert = 0;
- overwrite = current_buffer->overwrite_mode;
+ overwrite = BVAR (current_buffer, overwrite_mode);
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))
+ if (!NILP (BVAR (current_buffer, enable_multibyte_characters)))
{
len = CHAR_STRING (c, str);
if (len == 1)
{
str[0] = (SINGLE_BYTE_CHAR_P (c)
? c
- : multibyte_char_to_unibyte (c, Qnil));
+ : multibyte_char_to_unibyte (c));
len = 1;
}
if (!NILP (overwrite)
/* This is the character after point. */
int c2 = FETCH_CHAR (PT_BYTE);
- /* Column the cursor should be placed at after this insertion.
- The correct value should be calculated only when necessary. */
- int target_clm = 0;
-
/* Overwriting in binary-mode always replaces C2 by C.
Overwriting in textual-mode doesn't always do that.
It inserts newlines in the usual way,
and inserts any character at end of line
or before a tab if it doesn't use the whole width of the tab. */
- if (EQ (overwrite, Qoverwrite_mode_binary)
- || (c != '\n'
- && c2 != '\n'
- && ! (c2 == '\t'
- && XINT (current_buffer->tab_width) > 0
- && XFASTINT (current_buffer->tab_width) < 20
- && (target_clm = ((int) current_column () /* iftc */
- + XINT (Fchar_width (make_number (c)))),
- target_clm % XFASTINT (current_buffer->tab_width)))))
+ if (EQ (overwrite, Qoverwrite_mode_binary))
+ chars_to_delete = n;
+ else if (c != '\n' && c2 != '\n')
{
- int pos = PT;
- int pos_byte = PT_BYTE;
+ EMACS_INT pos = PT;
+ EMACS_INT pos_byte = PT_BYTE;
- if (target_clm == 0)
- chars_to_delete = 1;
- else
+ /* FIXME: Check for integer overflow when calculating
+ target_clm and actual_clm. */
+
+ /* Column the cursor should be placed at after this insertion.
+ The correct value should be calculated only when necessary. */
+ EMACS_INT target_clm = (current_column ()
+ + n * XINT (Fchar_width (make_number (c))));
+
+ /* The actual cursor position after the trial of moving
+ to column TARGET_CLM. It is greater than TARGET_CLM
+ if the TARGET_CLM is middle of multi-column
+ character. In that case, the new point is set after
+ that character. */
+ EMACS_INT actual_clm
+ = XFASTINT (Fmove_to_column (make_number (target_clm), Qnil));
+
+ chars_to_delete = PT - pos;
+
+ if (actual_clm > target_clm)
{
- /* The actual cursor position after the trial of moving
- to column TARGET_CLM. It is greater than TARGET_CLM
- if the TARGET_CLM is middle of multi-column
- character. In that case, the new point is set after
- that character. */
- int actual_clm
- = XFASTINT (Fmove_to_column (make_number (target_clm), Qnil));
-
- chars_to_delete = PT - pos;
-
- if (actual_clm > target_clm)
- {
- /* We will delete too many columns. Let's fill columns
- by spaces so that the remaining text won't move. */
- spaces_to_insert = actual_clm - target_clm;
- }
+ /* We will delete too many columns. Let's fill columns
+ by spaces so that the remaining text won't move. */
+ EMACS_INT actual = PT_BYTE;
+ DEC_POS (actual);
+ if (FETCH_CHAR (actual) == '\t')
+ /* Rather than add spaces, let's just keep the tab. */
+ chars_to_delete--;
+ else
+ spaces_to_insert = actual_clm - target_clm;
}
+
SET_PT_BOTH (pos, pos_byte);
- hairy = 2;
}
hairy = 2;
}
synt = SYNTAX (c);
- if (!NILP (current_buffer->abbrev_mode)
+ if (!NILP (BVAR (current_buffer, abbrev_mode))
&& synt != Sword
- && NILP (current_buffer->read_only)
+ && NILP (BVAR (current_buffer, read_only))
&& PT > BEGV
- && (SYNTAX (!NILP (current_buffer->enable_multibyte_characters)
+ && (SYNTAX (!NILP (BVAR (current_buffer, enable_multibyte_characters))
? XFASTINT (Fprevious_char ())
: UNIBYTE_TO_CHAR (XFASTINT (Fprevious_char ())))
== Sword))
if (chars_to_delete)
{
- string = make_string_from_bytes (str, 1, len);
+ int mc = ((NILP (BVAR (current_buffer, enable_multibyte_characters))
+ && SINGLE_BYTE_CHAR_P (c))
+ ? UNIBYTE_TO_CHAR (c) : c);
+ Lisp_Object string = Fmake_string (make_number (n), make_number (mc));
+
if (spaces_to_insert)
{
tem = Fmake_string (make_number (spaces_to_insert),
make_number (' '));
- string = concat2 (tem, string);
+ string = concat2 (string, tem);
}
replace_range (PT, PT + chars_to_delete, string, 1, 1, 1);
- Fforward_char (make_number (1 + spaces_to_insert));
+ Fforward_char (make_number (n + spaces_to_insert));
}
- else
- insert_and_inherit (str, len);
+ else if (n > 1)
+ {
+ USE_SAFE_ALLOCA;
+ char *strn, *p;
+ SAFE_ALLOCA (strn, char *, n * len);
+ for (p = strn; n > 0; n--, p += len)
+ memcpy (p, str, len);
+ insert_and_inherit (strn, p - strn);
+ SAFE_FREE ();
+ }
+ else if (n > 0)
+ insert_and_inherit ((char *) str, len);
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))
+ && !NILP (BVAR (current_buffer, auto_fill_function)))
{
- Lisp_Object tem;
+ Lisp_Object auto_fill_result;
if (c == '\n')
/* After inserting a newline, move to previous line and fill
that. Must have the newline in place already so filling and
justification, if any, know where the end is going to be. */
SET_PT_BOTH (PT - 1, PT_BYTE - 1);
- tem = call0 (current_buffer->auto_fill_function);
+ auto_fill_result = call0 (BVAR (current_buffer, auto_fill_function));
/* Test PT < ZV in case the auto-fill-function is strange. */
if (c == '\n' && PT < ZV)
SET_PT_BOTH (PT + 1, PT_BYTE + 1);
- if (!NILP (tem))
+ if (!NILP (auto_fill_result))
hairy = 2;
}
- if ((synt == Sclose || synt == Smath)
- && !NILP (Vblink_paren_function) && INTERACTIVE
- && !noautofill)
- {
- call0 (Vblink_paren_function);
- hairy = 2;
- }
/* Run hooks for electric keys. */
- call1 (Vrun_hooks, Qpost_self_insert_hook);
+ Frun_hooks (1, &Qpost_self_insert_hook);
return hairy;
}
Qpost_self_insert_hook = intern_c_string ("post-self-insert-hook");
staticpro (&Qpost_self_insert_hook);
- DEFVAR_LISP ("post-self-insert-hook", &Vpost_self_insert_hook,
+ DEFVAR_LISP ("post-self-insert-hook", Vpost_self_insert_hook,
doc: /* Hook run at the end of `self-insert-command'.
-This run is run after inserting the charater. */);
+This is run after inserting the character. */);
Vpost_self_insert_hook = Qnil;
- DEFVAR_LISP ("blink-paren-function", &Vblink_paren_function,
- 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 (&Sforward_char);
defsubr (&Sbackward_char);
initial_define_key (global_map, Ctl ('E'), "end-of-line");
initial_define_key (global_map, Ctl ('F'), "forward-char");
}
-
-/* arch-tag: 022ba3cd-67f9-4978-9c5d-7d2b18d8644e
- (do not change this comment) */
HCoop / bpt / emacs.git / blobdiff