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(describe_abbrev): Return void.

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(write_abbrev): Return void.
(Fexpand_abbrev): Scan in bytepos along with charpos.
(Funexpand_abbrev): Use bytepos to delete the expansion.
This commit is contained in:
Richard M. Stallman 1997-12-31 05:05:32 +00:00
parent 92bb366afa
commit aa406bac5f
1 changed files with 27 additions and 14 deletions
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41
src/abbrev.c
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@ -218,7 +218,8 @@ Returns the abbrev symbol, if expansion took place.")
()
{
register char *buffer, *p;
register int wordstart, wordend, idx;
int wordstart, wordend;
register int wordstart_byte, wordend_byte, idx;
int whitecnt;
int uccount = 0, lccount = 0;
register Lisp_Object sym;
@ -243,8 +244,12 @@ Returns the abbrev symbol, if expansion took place.")
Vabbrev_start_location = Qnil;
if (wordstart < BEGV || wordstart > ZV)
wordstart = 0;
if (wordstart && wordstart != ZV && FETCH_BYTE (wordstart) == '-')
del_range (wordstart, wordstart + 1);
if (wordstart && wordstart != ZV)
{
wordstart_byte = CHAR_TO_BYTE (wordstart);
if (FETCH_BYTE (wordstart_byte) == '-')
del_range (wordstart, wordstart + 1);
}
}
if (!wordstart)
wordstart = scan_words (PT, -1);
@ -252,20 +257,24 @@ Returns the abbrev symbol, if expansion took place.")
if (!wordstart)
return value;
wordstart_byte = CHAR_TO_BYTE (wordstart);
wordend = scan_words (wordstart, 1);
if (!wordend)
return value;
if (wordend > PT)
wordend = PT;
wordend_byte = CHAR_TO_BYTE (wordend);
whitecnt = PT - wordend;
if (wordend <= wordstart)
return value;
p = buffer = (char *) alloca (wordend - wordstart);
p = buffer = (char *) alloca (wordend_byte - wordstart_byte);
for (idx = wordstart; idx < wordend; idx++)
for (idx = wordstart_byte; idx < wordend_byte; idx++)
{
/* ??? This loop needs to go by characters! */
register int c = FETCH_BYTE (idx);
if (UPPERCASEP (c))
c = DOWNCASE (c), uccount++;
@ -310,7 +319,7 @@ Returns the abbrev symbol, if expansion took place.")
{
SET_PT (wordstart);
del_range (wordstart, wordend);
del_range_both (wordstart, wordend, wordstart_byte, wordend_byte, 1);
insert_from_string (expansion, 0, XSTRING (expansion)->size, 1);
SET_PT (PT + whitecnt);
@ -335,14 +344,15 @@ Returns the abbrev symbol, if expansion took place.")
else if (uccount)
{
/* Abbrev included some caps. Cap first initial of expansion */
int pos = wordstart;
int pos = wordstart_byte;
/* Find the initial. */
while (pos < PT
&& SYNTAX (*BUF_CHAR_ADDRESS (current_buffer, pos)) != Sword)
while (pos < PT_BYTE
&& SYNTAX (*BUF_BYTE_ADDRESS (current_buffer, pos)) != Sword)
pos++;
/* Change just that. */
pos = BYTE_TO_CHAR (pos);
Fupcase_initials_region (make_number (pos), make_number (pos + 1));
}
}
@ -371,22 +381,25 @@ is not undone.")
/* This isn't correct if Vlast_abbrev->function was used
to do the expansion */
Lisp_Object val;
int zv_before;
val = XSYMBOL (Vlast_abbrev)->value;
if (!STRINGP (val))
error ("value of abbrev-symbol must be a string");
adjust = XSTRING (val)->size;
del_range (PT, PT + adjust);
zv_before = ZV;
del_range_byte (PT_BYTE, PT_BYTE + XSTRING (val)->size, 1);
/* Don't inherit properties here; just copy from old contents. */
insert_from_string (Vlast_abbrev_text, 0,
XSTRING (Vlast_abbrev_text)->size, 0);
adjust -= XSTRING (Vlast_abbrev_text)->size;
Vlast_abbrev_text = Qnil;
/* Total number of characters deleted. */
adjust = ZV - zv_before;
}
SET_PT (last_abbrev_point < opoint ? opoint - adjust : opoint);
return Qnil;
}
static
static void
write_abbrev (sym, stream)
Lisp_Object sym, stream;
{
@ -405,7 +418,7 @@ write_abbrev (sym, stream)
insert (")\n", 2);
}
static
static void
describe_abbrev (sym, stream)
Lisp_Object sym, stream;
{