/* GNU Emacs routines to deal with syntax tables; also word and list parsing.
- Copyright (C) 1985, 1987, 1993-1995, 1997-1999, 2001-2011
+ Copyright (C) 1985, 1987, 1993-1995, 1997-1999, 2001-2012
Free Software Foundation, Inc.
This file is part of GNU Emacs.
#include <setjmp.h>
#include "lisp.h"
#include "commands.h"
-#include "buffer.h"
#include "character.h"
+#include "buffer.h"
#include "keymap.h"
#include "regex.h"
static EMACS_INT find_start_modiff;
-static Lisp_Object Fsyntax_table_p (Lisp_Object);
static Lisp_Object skip_chars (int, Lisp_Object, Lisp_Object, int);
static Lisp_Object skip_syntaxes (int, Lisp_Object, Lisp_Object);
static Lisp_Object scan_lists (EMACS_INT, EMACS_INT, EMACS_INT, int);
}
if (val < ASIZE (Vsyntax_code_object) && NILP (match))
- return XVECTOR (Vsyntax_code_object)->contents[val];
+ return AREF (Vsyntax_code_object, val);
else
/* Since we can't use a shared object, let's make a new one. */
return Fcons (make_number (val), match);
fastmap[CHAR_LEADING_CODE (c)] = 1;
range_start_byte = i;
range_start_char = c;
- char_ranges = (int *) alloca (sizeof (int) * 128 * 2);
+ char_ranges = alloca (sizeof *char_ranges * 128 * 2);
for (i = 129; i < 0400; i++)
{
c = BYTE8_TO_CHAR (i);
}
else /* STRING is multibyte */
{
- char_ranges = (int *) alloca (sizeof (int) * SCHARS (string) * 2);
+ char_ranges = alloca (sizeof *char_ranges * SCHARS (string) * 2);
while (i_byte < size_byte)
{
DEFUN ("scan-lists", Fscan_lists, Sscan_lists, 3, 3, 0,
doc: /* Scan from character number FROM by COUNT lists.
-Returns the character number of the position thus found.
+Scan forward if COUNT is positive, backward if COUNT is negative.
+Return the character number of the position thus found.
-If DEPTH is nonzero, paren depth begins counting from that value,
-only places where the depth in parentheses becomes zero
-are candidates for stopping; COUNT such places are counted.
-Thus, a positive value for DEPTH means go out levels.
+A \"list", in this context, refers to a balanced parenthetical
+grouping, as determined by the syntax table.
+
+If DEPTH is nonzero, treat that as the nesting depth of the starting
+point (i.e. the starting point is DEPTH parentheses deep). This
+function scans over parentheses until the depth goes to zero COUNT
+times. Hence, positive DEPTH moves out that number of levels of
+parentheses, while negative DEPTH moves to a deeper level.
Comments are ignored if `parse-sexp-ignore-comments' is non-nil.
-If the beginning or end of (the accessible part of) the buffer is reached
-and the depth is wrong, an error is signaled.
-If the depth is right but the count is not used up, nil is returned. */)
+If we reach the beginning or end of the accessible part of the buffer
+before we have scanned over COUNT lists, return nil if the depth at
+that point is zero, and signal a error if the depth is nonzero. */)
(Lisp_Object from, Lisp_Object count, Lisp_Object depth)
{
CHECK_NUMBER (from);
/* Create objects which can be shared among syntax tables. */
Vsyntax_code_object = Fmake_vector (make_number (Smax), Qnil);
for (i = 0; i < ASIZE (Vsyntax_code_object); i++)
- XVECTOR (Vsyntax_code_object)->contents[i]
- = Fcons (make_number (i), Qnil);
+ ASET (Vsyntax_code_object, i, Fcons (make_number (i), Qnil));
/* Now we are ready to set up this property, so we can
create syntax tables. */
Fput (Qsyntax_table, Qchar_table_extra_slots, make_number (0));
- temp = XVECTOR (Vsyntax_code_object)->contents[(int) Swhitespace];
+ temp = AREF (Vsyntax_code_object, (int) Swhitespace);
Vstandard_syntax_table = Fmake_char_table (Qsyntax_table, temp);
/* Control characters should not be whitespace. */
- temp = XVECTOR (Vsyntax_code_object)->contents[(int) Spunct];
+ temp = AREF (Vsyntax_code_object, (int) Spunct);
for (i = 0; i <= ' ' - 1; i++)
SET_RAW_SYNTAX_ENTRY (Vstandard_syntax_table, i, temp);
SET_RAW_SYNTAX_ENTRY (Vstandard_syntax_table, 0177, temp);
/* Except that a few really are whitespace. */
- temp = XVECTOR (Vsyntax_code_object)->contents[(int) Swhitespace];
+ temp = AREF (Vsyntax_code_object, (int) Swhitespace);
SET_RAW_SYNTAX_ENTRY (Vstandard_syntax_table, ' ', temp);
SET_RAW_SYNTAX_ENTRY (Vstandard_syntax_table, '\t', temp);
SET_RAW_SYNTAX_ENTRY (Vstandard_syntax_table, '\n', temp);
SET_RAW_SYNTAX_ENTRY (Vstandard_syntax_table, 015, temp);
SET_RAW_SYNTAX_ENTRY (Vstandard_syntax_table, 014, temp);
- temp = XVECTOR (Vsyntax_code_object)->contents[(int) Sword];
+ temp = AREF (Vsyntax_code_object, (int) Sword);
for (i = 'a'; i <= 'z'; i++)
SET_RAW_SYNTAX_ENTRY (Vstandard_syntax_table, i, temp);
for (i = 'A'; i <= 'Z'; i++)
SET_RAW_SYNTAX_ENTRY (Vstandard_syntax_table, '\\',
Fcons (make_number ((int) Sescape), Qnil));
- temp = XVECTOR (Vsyntax_code_object)->contents[(int) Ssymbol];
+ temp = AREF (Vsyntax_code_object, (int) Ssymbol);
for (i = 0; i < 10; i++)
{
c = "_-+*/&|<>="[i];
SET_RAW_SYNTAX_ENTRY (Vstandard_syntax_table, c, temp);
}
- temp = XVECTOR (Vsyntax_code_object)->contents[(int) Spunct];
+ temp = AREF (Vsyntax_code_object, (int) Spunct);
for (i = 0; i < 12; i++)
{
c = ".,;:?!#@~^'`"[i];
}
/* All multibyte characters have syntax `word' by default. */
- temp = XVECTOR (Vsyntax_code_object)->contents[(int) Sword];
+ temp = AREF (Vsyntax_code_object, (int) Sword);
char_table_set_range (Vstandard_syntax_table, 0x80, MAX_CHAR, temp);
}
Fput (Qscan_error, Qerror_conditions,
pure_cons (Qscan_error, pure_cons (Qerror, Qnil)));
Fput (Qscan_error, Qerror_message,
- make_pure_c_string ("Scan error"));
+ build_pure_c_string ("Scan error"));
DEFVAR_BOOL ("parse-sexp-ignore-comments", parse_sexp_ignore_comments,
doc: /* Non-nil means `forward-sexp', etc., should treat comments as whitespace. */);
DEFVAR_BOOL ("open-paren-in-column-0-is-defun-start",
open_paren_in_column_0_is_defun_start,
- doc: /* *Non-nil means an open paren in column 0 denotes the start of a defun. */);
+ doc: /* Non-nil means an open paren in column 0 denotes the start of a defun. */);
open_paren_in_column_0_is_defun_start = 1;
HCoop / bpt / emacs.git / blobdiff