regex: Remove obsolete patches

Upstream PCRE has removed the relocations that these patches were fixing;
the patches are obsolete.
This commit is contained in:
Christian Persch 2012-02-12 19:18:44 +01:00 committed by Matthias Clasen
parent a40523b7f2
commit 3225b24cb5
2 changed files with 0 additions and 326 deletions

View File

@ -1,57 +0,0 @@
#! /usr/bin/env python
# Reduce the number of relocations using a single string for the
# keys in the _pcre_utt table.
import re
fin = open('pcre_tables.c')
data = fin.read()
fin.close()
mo = re.search(r'const ucp_type_table _pcre_utt\[] = {', data)
assert mo, '_pcre_utt not found'
before = data[:mo.start()]
table_decl = data[mo.start():mo.end()]
table_start = mo.end()
mo = re.compile('};').search(data, table_start)
assert mo, 'end of _pcre_utt not found'
after = data[mo.end():]
table_end = mo.start()
table = data[table_start:table_end].strip()
rs = '\s*\{\s*"(?P<name>[^"]*)",\s*(?P<type>PT_[A-Z]*),\s*(?P<value>(?:0|ucp_[A-Za-z_]*))\s*},?\s*$'
r = re.compile(rs)
lines = []
names = []
pos = 0
for line in table.split('\n'):
mo = r.match(line)
assert mo, 'line not recognized'
name, type, value = mo.groups()
lines.append(' { %d, %s, %s }' % (pos, type, value))
names.append(name)
# +1 for the '\0'
pos += len(name) + 1
table = ',\n'.join(lines)
names = [' "%s\\0"' % n for n in names]
names_string = ' \n'.join(names) + ';'
data = before + \
'const char _pcre_ucp_names[] =\n' + \
names_string + \
'\n\n' + \
table_decl + \
'\n' + \
table + \
'\n};' + \
after
fout = open('pcre_tables.c', 'w')
fout.write(data)
fout.close()

View File

@ -1,269 +0,0 @@
--- pcre_compile.c 2006-10-10 12:00:00.000000000 +0200
+++ pcre_compile.c 2006-10-10 12:00:00.000000000 +0200
@@ -129,10 +129,21 @@
terminated by a zero length entry. The first three must be alpha, lower, upper,
as this is assumed for handling case independence. */
-static const char *const posix_names[] = {
- "alpha", "lower", "upper",
- "alnum", "ascii", "blank", "cntrl", "digit", "graph",
- "print", "punct", "space", "word", "xdigit" };
+static const char posix_names[] =
+ "alpha\0"
+ "lower\0"
+ "upper\0"
+ "alnum\0"
+ "ascii\0"
+ "blank\0"
+ "cntrl\0"
+ "digit\0"
+ "graph\0"
+ "print\0"
+ "punct\0"
+ "space\0"
+ "word\0"
+ "xdigit";
static const uschar posix_name_lengths[] = {
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 6, 0 };
@@ -173,76 +184,138 @@
they are documented. Always add a new error instead. Messages marked DEAD below
are no longer used. */
-static const char *error_texts[] = {
- "no error",
- "\\ at end of pattern",
- "\\c at end of pattern",
- "unrecognized character follows \\",
- "numbers out of order in {} quantifier",
+#define DEAD(s) "\0"
+
+static const char error_texts[] =
+ "no error\0"
+ "\\ at end of pattern\0"
+ "\\c at end of pattern\0"
+ "unrecognized character follows \\\0"
+ "numbers out of order in {} quantifier\0"
/* 5 */
- "number too big in {} quantifier",
- "missing terminating ] for character class",
- "invalid escape sequence in character class",
- "range out of order in character class",
- "nothing to repeat",
+ "number too big in {} quantifier\0"
+ "missing terminating ] for character class\0"
+ "invalid escape sequence in character class\0"
+ "range out of order in character class\0"
+ "nothing to repeat\0"
/* 10 */
- "operand of unlimited repeat could match the empty string", /** DEAD **/
- "internal error: unexpected repeat",
- "unrecognized character after (?",
- "POSIX named classes are supported only within a class",
- "missing )",
+ DEAD("operand of unlimited repeat could match the empty string")
+ "internal error: unexpected repeat\0"
+ "unrecognized character after (?\0"
+ "POSIX named classes are supported only within a class\0"
+ "missing )\0"
/* 15 */
- "reference to non-existent subpattern",
- "erroffset passed as NULL",
- "unknown option bit(s) set",
- "missing ) after comment",
- "parentheses nested too deeply", /** DEAD **/
+ "reference to non-existent subpattern\0"
+ "erroffset passed as NULL\0"
+ "unknown option bit(s) set\0"
+ "missing ) after comment\0"
+ DEAD("parentheses nested too deeply")
/* 20 */
- "regular expression too large",
- "failed to get memory",
- "unmatched parentheses",
- "internal error: code overflow",
- "unrecognized character after (?<",
+ "regular expression too large\0"
+ "failed to get memory\0"
+ "unmatched parentheses\0"
+ "internal error: code overflow\0"
+ "unrecognized character after (?<\0"
/* 25 */
- "lookbehind assertion is not fixed length",
- "malformed number or name after (?(",
- "conditional group contains more than two branches",
- "assertion expected after (?(",
- "(?R or (?digits must be followed by )",
+ "lookbehind assertion is not fixed length\0"
+ "malformed number or name after (?(\0"
+ "conditional group contains more than two branches\0"
+ "assertion expected after (?(\0"
+ "(?R or (?digits must be followed by )\0"
/* 30 */
- "unknown POSIX class name",
- "POSIX collating elements are not supported",
- "this version of PCRE is not compiled with PCRE_UTF8 support",
- "spare error", /** DEAD **/
- "character value in \\x{...} sequence is too large",
+ "unknown POSIX class name\0"
+ "POSIX collating elements are not supported\0"
+ "this version of PCRE is not compiled with PCRE_UTF8 support\0"
+ DEAD("spare error")
+ "character value in \\x{...} sequence is too large\0"
/* 35 */
- "invalid condition (?(0)",
- "\\C not allowed in lookbehind assertion",
- "PCRE does not support \\L, \\l, \\N, \\U, or \\u",
- "number after (?C is > 255",
- "closing ) for (?C expected",
+ "invalid condition (?(0)\0"
+ "\\C not allowed in lookbehind assertion\0"
+ "PCRE does not support \\L, \\l, \\N, \\U, or \\u\0"
+ "number after (?C is > 255\0"
+ "closing ) for (?C expected\0"
/* 40 */
- "recursive call could loop indefinitely",
- "unrecognized character after (?P",
- "syntax error in subpattern name (missing terminator)",
- "two named subpatterns have the same name",
- "invalid UTF-8 string",
+ "recursive call could loop indefinitely\0"
+ "unrecognized character after (?P\0"
+ "syntax error in subpattern name (missing terminator)\0"
+ "two named subpatterns have the same name\0"
+ "invalid UTF-8 string\0"
/* 45 */
- "support for \\P, \\p, and \\X has not been compiled",
- "malformed \\P or \\p sequence",
- "unknown property name after \\P or \\p",
- "subpattern name is too long (maximum " XSTRING(MAX_NAME_SIZE) " characters)",
- "too many named subpatterns (maximum " XSTRING(MAX_NAME_COUNT) ")",
+ "support for \\P, \\p, and \\X has not been compiled\0"
+ "malformed \\P or \\p sequence\0"
+ "unknown property name after \\P or \\p\0"
+ "subpattern name is too long (maximum " XSTRING(MAX_NAME_SIZE) " characters)\0"
+ "too many named subpatterns (maximum " XSTRING(MAX_NAME_COUNT) ")\0"
/* 50 */
- "repeated subpattern is too long",
- "octal value is greater than \\377 (not in UTF-8 mode)",
- "internal error: overran compiling workspace",
- "internal error: previously-checked referenced subpattern not found",
- "DEFINE group contains more than one branch",
+ "repeated subpattern is too long\0"
+ "octal value is greater than \\377 (not in UTF-8 mode)\0"
+ "internal error: overran compiling workspace\0"
+ "internal error: previously-checked referenced subpattern not found\0"
+ "DEFINE group contains more than one branch\0"
/* 55 */
- "repeating a DEFINE group is not allowed",
- "inconsistent NEWLINE options",
- "\\g is not followed by an (optionally braced) non-zero number"
+ "repeating a DEFINE group is not allowed\0"
+ "inconsistent NEWLINE options\0"
+ "\\g is not followed by an (optionally braced) non-zero number";
+
+static const int error_texts_offsets[] = {
+ 0,
+ 9,
+ 29,
+ 50,
+ 83,
+ 121,
+ 153,
+ 195,
+ 238,
+ 276,
+ 294,
+ 295,
+ 329,
+ 361,
+ 415,
+ 425,
+ 462,
+ 487,
+ 513,
+ 537,
+ 538,
+ 567,
+ 588,
+ 610,
+ 640,
+ 673,
+ 714,
+ 749,
+ 799,
+ 828,
+ 866,
+ 891,
+ 934,
+ 994,
+ 995,
+ 1044,
+ 1068,
+ 1107,
+ 1151,
+ 1177,
+ 1204,
+ 1243,
+ 1276,
+ 1329,
+ 1370,
+ 1391,
+ 1440,
+ 1468,
+ 1505,
+ 1557,
+ 1600,
+ 1632,
+ 1685,
+ 1729,
+ 1796,
+ 1839,
+ 1879,
+ 1908
};
@@ -1453,14 +1526,16 @@
static int
check_posix_name(const uschar *ptr, int len)
{
-register int yield = 0;
-while (posix_name_lengths[yield] != 0)
- {
- if (len == posix_name_lengths[yield] &&
- strncmp((const char *)ptr, posix_names[yield], len) == 0) return yield;
- yield++;
- }
-return -1;
+ int offset = 0;
+ int yield = 0;
+ while (posix_name_lengths[yield] != 0)
+ {
+ if (len == posix_name_lengths[yield] &&
+ strcmp((const char *)ptr, posix_names + offset) == 0) return yield;
+ offset += posix_name_lengths[yield] + 1;
+ yield++;
+ }
+ return -1;
}
@@ -5200,7 +5275,7 @@
#ifdef SUPPORT_UTF8
PCRE_UTF8_ERROR_RETURN:
#endif
- *errorptr = error_texts[errorcode];
+ *errorptr = error_texts + error_texts_offsets[errorcode];
if (errorcodeptr != NULL) *errorcodeptr = errorcode;
return NULL;
}
@@ -5297,7 +5372,7 @@
if (code - codestart > length)
{
(pcre_free)(re);
- *errorptr = error_texts[ERR23];
+ *errorptr = error_texts + error_texts_offsets[ERR23];
*erroroffset = ptr - (uschar *)pattern;
if (errorcodeptr != NULL) *errorcodeptr = ERR23;
return NULL;