* posix/regex_internal.h (re_token_type_t): Remove unused ALT,
	END_OF_RE_TOKEN_T and SUBEXP.  Reorder values.  Add OP_UTF8_PERIOD
	and EPSILON_BIT.
	(IS_EPSILON_NODE): Just test if EPSILON_BIT is set.
	(ACCEPT_MB_NODE): Return 1 for OP_UTF8_PERIOD as well.
	* posix/regex_internal.c (create_ci_newstate, create_cd_newstate):
	Handle OP_UTF8_PERIOD.
	(re_string_reconstruct): Set valid_len for single byte char searching
	with no translation and case sensitivity.
	* posix/regcomp.c (re_compile_fastmap_iter, calc_first): Handle
	OP_UTF8_PERIOD.
	(re_compile_internal): Don't call optimize_utf8 if preg->translate
	!= NULL.
	(optimize_utf8): Remove BACK_SLASH case.
	Transform OP_PERIOD into OP_UTF8_PERIOD if the searching can be
	optimized.
	(parse_bracket_exp): Don't create SIMPLE_BRACKET if it doesn't have
	any bits set and COMPLEX_BRACKET is used.
	* posix/regexec.c (transit_state_mb): Fix comment typo.
	(group_nodes_into_DFAstates, check_node_accept): Handle
	OP_UTF8_PERIOD.
	(check_node_accept_bytes): Likewise.  Reorder slightly so that
	re_string_char_size_at and re_string_elem_size_at are called
	only when needed.
	* posix/bug-regex20.c (BRE, ERE): Define.
	(tests): Use them to make lines shorter.  Expect . to be
	optimized.  Add lots of new tests.
	(main): Run (ATM just case sensitive) test with backwards searching
	as well.

2003-11-18  Jakub Jelinek  <jakub@redhat.com>
This commit is contained in:
Ulrich Drepper 2003-11-18 23:40:59 +00:00
parent 5146ec9a2c
commit ad7f28c29d
6 changed files with 347 additions and 124 deletions

View File

@ -1,3 +1,35 @@
2003-11-18 Jakub Jelinek <jakub@redhat.com>
* posix/regex_internal.h (re_token_type_t): Remove unused ALT,
END_OF_RE_TOKEN_T and SUBEXP. Reorder values. Add OP_UTF8_PERIOD
and EPSILON_BIT.
(IS_EPSILON_NODE): Just test if EPSILON_BIT is set.
(ACCEPT_MB_NODE): Return 1 for OP_UTF8_PERIOD as well.
* posix/regex_internal.c (create_ci_newstate, create_cd_newstate):
Handle OP_UTF8_PERIOD.
(re_string_reconstruct): Set valid_len for single byte char searching
with no translation and case sensitivity.
* posix/regcomp.c (re_compile_fastmap_iter, calc_first): Handle
OP_UTF8_PERIOD.
(re_compile_internal): Don't call optimize_utf8 if preg->translate
!= NULL.
(optimize_utf8): Remove BACK_SLASH case.
Transform OP_PERIOD into OP_UTF8_PERIOD if the searching can be
optimized.
(parse_bracket_exp): Don't create SIMPLE_BRACKET if it doesn't have
any bits set and COMPLEX_BRACKET is used.
* posix/regexec.c (transit_state_mb): Fix comment typo.
(group_nodes_into_DFAstates, check_node_accept): Handle
OP_UTF8_PERIOD.
(check_node_accept_bytes): Likewise. Reorder slightly so that
re_string_char_size_at and re_string_elem_size_at are called
only when needed.
* posix/bug-regex20.c (BRE, ERE): Define.
(tests): Use them to make lines shorter. Expect . to be
optimized. Add lots of new tests.
(main): Run (ATM just case sensitive) test with backwards searching
as well.
2003-11-18 Jakub Jelinek <jakub@redhat.com>
* io/bug-ftw4.c: Include string.h.

View File

@ -29,6 +29,9 @@
#define RE_NO_INTERNAL_PROTOTYPES 1
#include "regex_internal.h"
#define BRE RE_SYNTAX_POSIX_BASIC
#define ERE RE_SYNTAX_POSIX_EXTENDED
static struct
{
int syntax;
@ -42,71 +45,145 @@ static struct
\xc3\xb6 LATIN SMALL LETTER O WITH DIAERESIS
\xe2\x80\x94 EM DASH */
/* Should be optimized. */
{RE_SYNTAX_POSIX_BASIC, "foo", "b\xc3\xa4rfoob\xc3\xa4z", 4, 1},
{RE_SYNTAX_POSIX_BASIC, "b\xc3\xa4z", "b\xc3\xa4rfoob\xc3\xa4z", 7, 1},
{RE_SYNTAX_POSIX_BASIC, "b\xc3\xa4*z", "b\xc3\xa4rfoob\xc3\xa4z", 7, 1},
{RE_SYNTAX_POSIX_BASIC, "b\xc3\xa4*z", "b\xc3\xa4rfoobz", 7, 1},
{RE_SYNTAX_POSIX_BASIC, "b\xc3\xa4\\+z",
"b\xc3\xa4rfoob\xc3\xa4\xc3\xa4z", 7, 1},
{RE_SYNTAX_POSIX_BASIC, "b\xc3\xa4\\?z", "b\xc3\xa4rfoob\xc3\xa4z", 7, 1},
{RE_SYNTAX_POSIX_BASIC, "b\xc3\xa4\\{1,2\\}z",
"b\xc3\xa4rfoob\xc3\xa4z", 7, 1},
{RE_SYNTAX_POSIX_BASIC, "^x\\|xy*z$", "\xc3\xb6xyyz", 2, 1},
{RE_SYNTAX_POSIX_BASIC, "^x\\\\y\\{6\\}z\\+", "x\\yyyyyyzz\xc3\xb6", 0, 1},
{RE_SYNTAX_POSIX_BASIC, "^x\\\\y\\{2,36\\}z\\+", "x\\yzz\xc3\xb6", -1, 1},
{RE_SYNTAX_POSIX_BASIC, "^x\\\\y\\{,3\\}z\\+", "x\\yyyzz\xc3\xb6", 0, 1},
{RE_SYNTAX_POSIX_BASIC, "^x\\|x\xc3\xa4*z$",
"\xc3\xb6x\xc3\xa4\xc3\xa4z", 2, 1},
{RE_SYNTAX_POSIX_BASIC, "^x\\\\\xc3\x84\\{6\\}z\\+",
{BRE, "foo", "b\xc3\xa4rfoob\xc3\xa4z", 4, 1},
{BRE, "b\xc3\xa4z", "b\xc3\xa4rfoob\xc3\xa4z", 7, 1},
{BRE, "b\xc3\xa4*z", "b\xc3\xa4rfoob\xc3\xa4z", 7, 1},
{BRE, "b\xc3\xa4*z", "b\xc3\xa4rfoobz", 7, 1},
{BRE, "b\xc3\xa4\\+z", "b\xc3\xa4rfoob\xc3\xa4\xc3\xa4z", 7, 1},
{BRE, "b\xc3\xa4\\?z", "b\xc3\xa4rfoob\xc3\xa4z", 7, 1},
{BRE, "b\xc3\xa4\\{1,2\\}z", "b\xc3\xa4rfoob\xc3\xa4z", 7, 1},
{BRE, "^x\\|xy*z$", "\xc3\xb6xyyz", 2, 1},
{BRE, "^x\\\\y\\{6\\}z\\+", "x\\yyyyyyzz\xc3\xb6", 0, 1},
{BRE, "^x\\\\y\\{2,36\\}z\\+", "x\\yzz\xc3\xb6", -1, 1},
{BRE, "^x\\\\y\\{,3\\}z\\+", "x\\yyyzz\xc3\xb6", 0, 1},
{BRE, "^x\\|x\xc3\xa4*z$", "\xc3\xb6x\xc3\xa4\xc3\xa4z", 2, 1},
{BRE, "^x\\\\\xc3\x84\\{6\\}z\\+",
"x\\\xc3\x84\xc3\x84\xc3\x84\xc3\x84\xc3\x84\xc3\x84zz\xc3\xb6", 0, 1},
{RE_SYNTAX_POSIX_BASIC, "^x\\\\\xc3\x84\\{2,36\\}z\\+",
"x\\\xc3\x84zz\xc3\xb6", -1, 1},
{RE_SYNTAX_POSIX_BASIC, "^x\\\\\xc3\x84\\{,3\\}z\\+",
{BRE, "^x\\\\\xc3\x84\\{2,36\\}z\\+", "x\\\xc3\x84zz\xc3\xb6", -1, 1},
{BRE, "^x\\\\\xc3\x84\\{,3\\}z\\+",
"x\\\xc3\x84\xc3\x84\xc3\x84zz\xc3\xb6", 0, 1},
{RE_SYNTAX_POSIX_BASIC, "x[C]y", "axCy", 1, 1},
{RE_SYNTAX_POSIX_BASIC, "x[ABC]y", "axCy", 1, 1},
{RE_SYNTAX_POSIX_BASIC, "\\`x\\|z\\'", "x\xe2\x80\x94", 0, 1},
{RE_SYNTAX_POSIX_BASIC, "\\(xy\\)z\\1a\\1", "\xe2\x80\x94xyzxyaxy\xc3\x84", 3, 1},
{RE_SYNTAX_POSIX_BASIC, "xy\\?z", "\xc3\x84xz\xc3\xb6", 2, 1},
{RE_SYNTAX_POSIX_BASIC, "\\`\xc3\x84\\|z\\'", "\xc3\x84\xe2\x80\x94", 0, 1},
{RE_SYNTAX_POSIX_BASIC, "\\(x\xc3\x84\\)z\\1\x61\\1",
{BRE, "x[C]y", "axCy", 1, 1},
{BRE, "x[ABC]y", "axCy", 1, 1},
{BRE, "\\`x\\|z\\'", "x\xe2\x80\x94", 0, 1},
{BRE, "\\(xy\\)z\\1a\\1", "\xe2\x80\x94xyzxyaxy\xc3\x84", 3, 1},
{BRE, "xy\\?z", "\xc3\x84xz\xc3\xb6", 2, 1},
{BRE, "\\`\xc3\x84\\|z\\'", "\xc3\x84\xe2\x80\x94", 0, 1},
{BRE, "\\(x\xc3\x84\\)z\\1\x61\\1",
"\xe2\x80\x94x\xc3\x84zx\xc3\x84\x61x\xc3\x84\xc3\x96", 3, 1},
{RE_SYNTAX_POSIX_BASIC, "x\xc3\x96\\?z", "\xc3\x84xz\xc3\xb6", 2, 1},
{RE_SYNTAX_POSIX_EXTENDED, "foo", "b\xc3\xa4rfoob\xc3\xa4z", 4, 1},
{RE_SYNTAX_POSIX_EXTENDED, "^x|xy*z$", "\xc3\xb6xyyz", 2, 1},
{RE_SYNTAX_POSIX_EXTENDED, "^x\\\\y{6}z+", "x\\yyyyyyzz\xc3\xb6", 0, 1},
{RE_SYNTAX_POSIX_EXTENDED, "^x\\\\y{2,36}z+", "x\\yzz\xc3\xb6", -1, 1},
{RE_SYNTAX_POSIX_EXTENDED, "^x\\\\y{,3}z+", "x\\yyyzz\xc3\xb6", 0, 1},
{RE_SYNTAX_POSIX_EXTENDED, "x[C]y", "axCy", 1, 1},
{RE_SYNTAX_POSIX_EXTENDED, "x[ABC]y", "axCy", 1, 1},
{RE_SYNTAX_POSIX_EXTENDED, "\\`x|z\\'", "x\xe2\x80\x94", 0, 1},
{RE_SYNTAX_POSIX_EXTENDED, "(xy)z\\1a\\1", "\xe2\x80\x94xyzxyaxy\xc3\x84", 3, 1},
{RE_SYNTAX_POSIX_EXTENDED, "xy?z", "\xc3\x84xz\xc3\xb6", 2, 1},
{BRE, "x\xc3\x96\\?z", "\xc3\x84xz\xc3\xb6", 2, 1},
{BRE, "x.y", "ax\xe2\x80\x94yz", 1, 1},
{BRE, "x.*z", "\xc3\x84xz", 2, 1},
{BRE, "x.*z", "\xc3\x84x\xe2\x80\x94z", 2, 1},
{BRE, "x.*z", "\xc3\x84x\xe2\x80\x94y\xf1\x90\x80\x90z", 2, 1},
{BRE, "x.*z", "\xc3\x84x\xe2\x80\x94\xc3\x94\xf1\x90\x80\x90z", 2, 1},
{BRE, "x.\\?z", "axz", 1, 1},
{BRE, "x.\\?z", "axyz", 1, 1},
{BRE, "x.\\?z", "ax\xc3\x84z", 1, 1},
{BRE, "x.\\?z", "ax\xe2\x80\x94z", 1, 1},
{BRE, "x.\\?z", "ax\xf0\x9d\x80\x80z", 1, 1},
{BRE, "x.\\?z", "ax\xf9\x81\x82\x83\x84z", 1, 1},
{BRE, "x.\\?z", "ax\xfd\xbf\xbf\xbf\xbf\xbfz", 1, 1},
{BRE, ".", "y", 0, 1},
{BRE, ".", "\xc3\x84", 0, 1},
{BRE, ".", "\xe2\x80\x94", 0, 1},
{BRE, ".", "\xf0\x9d\x80\x80", 0, 1},
{BRE, ".", "\xf9\x81\x82\x83\x84", 0, 1},
{BRE, ".", "\xfd\xbf\xbf\xbf\xbf\xbf", 0, 1},
{BRE, "x.\\?z", "axyyz", -1, 1},
{BRE, "x.\\?z", "ax\xc3\x84\xc3\x96z", -1, 1},
{BRE, "x.\\?z", "ax\xe2\x80\x94\xc3\xa4z", -1, 1},
{BRE, "x.\\?z", "ax\xf0\x9d\x80\x80yz", -1, 1},
{BRE, "x.\\?z", "ax\xf9\x81\x82\x83\x84\xf0\xf9\x80\x81z", -1, 1},
{BRE, "x.\\?z", "ax\xfd\xbf\xbf\xbf\xbf\xbf\xc3\x96z", -1, 1},
{BRE, "x.\\+z", "\xe2\x80\x94xz", -1, 1},
{BRE, "x.\\+z", "\xe2\x80\x94xyz", 3, 1},
{BRE, "x.\\+z", "\xe2\x80\x94x\xc3\x84y\xe2\x80\x94z", 3, 1},
{BRE, "x.\\+z", "\xe2\x80\x94x\xe2\x80\x94z", 3, 1},
{BRE, "x.\\+z", "\xe2\x80\x94x\xf0\x9d\x80\x80\xc3\x84z", 3, 1},
{BRE, "x.\\+z", "\xe2\x80\x94x.~\xe2\x80\x94\xf9\x81\x82\x83\x84z", 3, 1},
{BRE, "x.\\+z", "\xe2\x80\x94x\xfd\xbf\xbf\xbf\xbf\xbfz", 3, 1},
{BRE, "x.\\{1,2\\}z", "\xe2\x80\x94xz", -1, 1},
{BRE, "x.\\{1,2\\}z", "\xe2\x80\x94x\xc3\x96y\xc3\xa4z", -1, 1},
{BRE, "x.\\{1,2\\}z", "\xe2\x80\x94xyz", 3, 1},
{BRE, "x.\\{1,2\\}z", "\xe2\x80\x94x\xc3\x84\xe2\x80\x94z", 3, 1},
{BRE, "x.\\{1,2\\}z", "\xe2\x80\x94x\xe2\x80\x94z", 3, 1},
{BRE, "x.\\{1,2\\}z", "\xe2\x80\x94x\xf0\x9d\x80\x80\xc3\x84z", 3, 1},
{BRE, "x.\\{1,2\\}z", "\xe2\x80\x94x~\xe2\x80\x94z", 3, 1},
{BRE, "x.\\{1,2\\}z", "\xe2\x80\x94x\xfd\xbf\xbf\xbf\xbf\xbfz", 3, 1},
{BRE, "x\\(.w\\|\xc3\x86\\)\\?z", "axz", 1, 1},
{BRE, "x\\(.w\\|\xc3\x86\\)\\?z", "ax\xfd\xbf\xbf\xbf\xbf\xbfwz", 1, 1},
{BRE, "x\\(.w\\|\xc3\x86\\)\\?z", "ax\xc3\x86z", 1, 1},
{BRE, "x\\(.w\\|\xc3\x86\\)\\?z", "ax\xe2\x80\x96wz", 1, 1},
{ERE, "foo", "b\xc3\xa4rfoob\xc3\xa4z", 4, 1},
{ERE, "^x|xy*z$", "\xc3\xb6xyyz", 2, 1},
{ERE, "^x\\\\y{6}z+", "x\\yyyyyyzz\xc3\xb6", 0, 1},
{ERE, "^x\\\\y{2,36}z+", "x\\yzz\xc3\xb6", -1, 1},
{ERE, "^x\\\\y{,3}z+", "x\\yyyzz\xc3\xb6", 0, 1},
{ERE, "x[C]y", "axCy", 1, 1},
{ERE, "x[ABC]y", "axCy", 1, 1},
{ERE, "\\`x|z\\'", "x\xe2\x80\x94", 0, 1},
{ERE, "(xy)z\\1a\\1", "\xe2\x80\x94xyzxyaxy\xc3\x84", 3, 1},
{ERE, "xy?z", "\xc3\x84xz\xc3\xb6", 2, 1},
{ERE, "x.y", "ax\xe2\x80\x94yz", 1, 1},
{ERE, "x.*z", "\xc3\x84xz", 2, 1},
{ERE, "x.*z", "\xc3\x84x\xe2\x80\x94z", 2, 1},
{ERE, "x.*z", "\xc3\x84x\xe2\x80\x94y\xf1\x90\x80\x90z", 2, 1},
{ERE, "x.*z", "\xc3\x84x\xe2\x80\x94\xc3\x94\xf1\x90\x80\x90z", 2, 1},
{ERE, "x.?z", "axz", 1, 1},
{ERE, "x.?z", "axyz", 1, 1},
{ERE, "x.?z", "ax\xc3\x84z", 1, 1},
{ERE, "x.?z", "ax\xe2\x80\x94z", 1, 1},
{ERE, "x.?z", "ax\xf0\x9d\x80\x80z", 1, 1},
{ERE, "x.?z", "ax\xf9\x81\x82\x83\x84z", 1, 1},
{ERE, "x.?z", "ax\xfd\xbf\xbf\xbf\xbf\xbfz", 1, 1},
{ERE, "x.?z", "axyyz", -1, 1},
{ERE, "x.?z", "ax\xc3\x84\xc3\x96z", -1, 1},
{ERE, "x.?z", "ax\xe2\x80\x94\xc3\xa4z", -1, 1},
{ERE, "x.?z", "ax\xf0\x9d\x80\x80yz", -1, 1},
{ERE, "x.?z", "ax\xf9\x81\x82\x83\x84\xf0\xf9\x80\x81z", -1, 1},
{ERE, "x.?z", "ax\xfd\xbf\xbf\xbf\xbf\xbf\xc3\x96z", -1, 1},
{ERE, "x.+z", "\xe2\x80\x94xz", -1, 1},
{ERE, "x.+z", "\xe2\x80\x94xyz", 3, 1},
{ERE, "x.+z", "\xe2\x80\x94x\xc3\x84y\xe2\x80\x94z", 3, 1},
{ERE, "x.+z", "\xe2\x80\x94x\xe2\x80\x94z", 3, 1},
{ERE, "x.+z", "\xe2\x80\x94x\xf0\x9d\x80\x80\xc3\x84z", 3, 1},
{ERE, "x.+z", "\xe2\x80\x94x.~\xe2\x80\x94\xf9\x81\x82\x83\x84z", 3, 1},
{ERE, "x.+z", "\xe2\x80\x94x\xfd\xbf\xbf\xbf\xbf\xbfz", 3, 1},
{ERE, "x.{1,2}z", "\xe2\x80\x94xz", -1, 1},
{ERE, "x.{1,2}z", "\xe2\x80\x94x\xc3\x96y\xc3\xa4z", -1, 1},
{ERE, "x.{1,2}z", "\xe2\x80\x94xyz", 3, 1},
{ERE, "x.{1,2}z", "\xe2\x80\x94x\xc3\x84\xe2\x80\x94z", 3, 1},
{ERE, "x.{1,2}z", "\xe2\x80\x94x\xe2\x80\x94z", 3, 1},
{ERE, "x.{1,2}z", "\xe2\x80\x94x\xf0\x9d\x80\x80\xc3\x84z", 3, 1},
{ERE, "x.{1,2}z", "\xe2\x80\x94x~\xe2\x80\x94z", 3, 1},
{ERE, "x.{1,2}z", "\xe2\x80\x94x\xfd\xbf\xbf\xbf\xbf\xbfz", 3, 1},
{ERE, "x(.w|\xc3\x86)?z", "axz", 1, 1},
{ERE, "x(.w|\xc3\x86)?z", "ax\xfd\xbf\xbf\xbf\xbf\xbfwz", 1, 1},
{ERE, "x(.w|\xc3\x86)?z", "ax\xc3\x86z", 1, 1},
{ERE, "x(.w|\xc3\x86)?z", "ax\xe2\x80\x96wz", 1, 1},
/* Should not be optimized. */
{RE_SYNTAX_POSIX_BASIC, "x.y", "ax\xe2\x80\x94yz", 1, 0},
{RE_SYNTAX_POSIX_BASIC, "x[\xc3\x84\xc3\xa4]y", "ax\xc3\xa4y", 1, 0},
{RE_SYNTAX_POSIX_BASIC, "x[A-Z,]y", "axCy", 1, 0},
{RE_SYNTAX_POSIX_BASIC, "x[^y]z", "ax\xe2\x80\x94z", 1, 0},
{RE_SYNTAX_POSIX_BASIC, "x[[:alnum:]]z", "ax\xc3\x96z", 1, 0},
{RE_SYNTAX_POSIX_BASIC, "x[[=A=]]z", "axAz", 1, 0},
{RE_SYNTAX_POSIX_BASIC, "x[[=\xc3\x84=]]z", "ax\xc3\x84z", 1, 0},
{RE_SYNTAX_POSIX_BASIC, "\\<g", "\xe2\x80\x94g", 3, 0},
{RE_SYNTAX_POSIX_BASIC, "\\bg\\b", "\xe2\x80\x94g", 3, 0},
{RE_SYNTAX_POSIX_BASIC, "\\Bg\\B", "\xc3\xa4g\xc3\xa4", 2, 0},
{RE_SYNTAX_POSIX_BASIC, "a\\wz", "a\xc3\x84z", 0, 0},
{RE_SYNTAX_POSIX_BASIC, "x\\Wz", "\xc3\x96x\xe2\x80\x94z", 2, 0},
{RE_SYNTAX_POSIX_EXTENDED, "x.y", "ax\xe2\x80\x94yz", 1, 0},
{RE_SYNTAX_POSIX_EXTENDED, "x[\xc3\x84\xc3\xa4]y", "ax\xc3\xa4y", 1, 0},
{RE_SYNTAX_POSIX_EXTENDED, "x[A-Z,]y", "axCy", 1, 0},
{RE_SYNTAX_POSIX_EXTENDED, "x[^y]z", "ax\xe2\x80\x94z", 1, 0},
{RE_SYNTAX_POSIX_EXTENDED, "x[[:alnum:]]z", "ax\xc3\x96z", 1, 0},
{RE_SYNTAX_POSIX_EXTENDED, "x[[=A=]]z", "axAz", 1, 0},
{RE_SYNTAX_POSIX_EXTENDED, "x[[=\xc3\x84=]]z", "ax\xc3\x84z", 1, 0},
{RE_SYNTAX_POSIX_EXTENDED, "\\<g", "\xe2\x80\x94g", 3, 0},
{RE_SYNTAX_POSIX_EXTENDED, "\\bg\\b", "\xe2\x80\x94g", 3, 0},
{RE_SYNTAX_POSIX_EXTENDED, "\\Bg\\B", "\xc3\xa4g\xc3\xa4", 2, 0},
{RE_SYNTAX_POSIX_EXTENDED, "a\\wz", "a\xc3\x84z", 0, 0},
{RE_SYNTAX_POSIX_EXTENDED, "x\\Wz", "\xc3\x96x\xe2\x80\x94z", 2, 0},
{BRE, "x[\xc3\x84\xc3\xa4]y", "ax\xc3\xa4y", 1, 0},
{BRE, "x[A-Z,]y", "axCy", 1, 0},
{BRE, "x[^y]z", "ax\xe2\x80\x94z", 1, 0},
{BRE, "x[[:alnum:]]z", "ax\xc3\x96z", 1, 0},
{BRE, "x[[=A=]]z", "axAz", 1, 0},
{BRE, "x[[=\xc3\x84=]]z", "ax\xc3\x84z", 1, 0},
{BRE, "\\<g", "\xe2\x80\x94g", 3, 0},
{BRE, "\\bg\\b", "\xe2\x80\x94g", 3, 0},
{BRE, "\\Bg\\B", "\xc3\xa4g\xc3\xa4", 2, 0},
{BRE, "a\\wz", "a\xc3\x84z", 0, 0},
{BRE, "x\\Wz", "\xc3\x96x\xe2\x80\x94z", 2, 0},
{ERE, "x[\xc3\x84\xc3\xa4]y", "ax\xc3\xa4y", 1, 0},
{ERE, "x[A-Z,]y", "axCy", 1, 0},
{ERE, "x[^y]z", "ax\xe2\x80\x94z", 1, 0},
{ERE, "x[[:alnum:]]z", "ax\xc3\x96z", 1, 0},
{ERE, "x[[=A=]]z", "axAz", 1, 0},
{ERE, "x[[=\xc3\x84=]]z", "ax\xc3\x84z", 1, 0},
{ERE, "\\<g", "\xe2\x80\x94g", 3, 0},
{ERE, "\\bg\\b", "\xe2\x80\x94g", 3, 0},
{ERE, "\\Bg\\B", "\xc3\xa4g\xc3\xa4", 2, 0},
{ERE, "a\\wz", "a\xc3\x84z", 0, 0},
{ERE, "x\\Wz", "\xc3\x96x\xe2\x80\x94z", 2, 0},
};
int
@ -144,8 +221,8 @@ main (void)
ret = 1;
}
res = re_search (&regbuf, tests[i].string, strlen (tests[i].string), 0,
strlen (tests[i].string), NULL);
int str_len = strlen (tests[i].string);
res = re_search (&regbuf, tests[i].string, str_len, 0, str_len, NULL);
if (res != tests[i].res)
{
printf ("re_search %zd failed: %d\n", i, res);
@ -153,6 +230,16 @@ main (void)
regfree (&regbuf);
continue;
}
res = re_search (&regbuf, tests[i].string, str_len, str_len, -str_len,
NULL);
if (res != tests[i].res)
{
printf ("backward re_search %zd failed: %d\n", i, res);
ret = 1;
regfree (&regbuf);
continue;
}
regfree (&regbuf);
re_set_syntax (tests[i].syntax | RE_ICASE);
@ -175,15 +262,25 @@ main (void)
ret = 1;
}
res = re_search (&regbuf, tests[i].string, strlen (tests[i].string), 0,
strlen (tests[i].string), NULL);
res = re_search (&regbuf, tests[i].string, str_len, 0, str_len, NULL);
if (res != tests[i].res)
{
printf ("re_search %zd failed: %d\n", i, res);
printf ("ICASE re_search %zd failed: %d\n", i, res);
ret = 1;
regfree (&regbuf);
continue;
}
/* XXX: This causes regex segfault. Disable for now.
res = re_search (&regbuf, tests[i].string, str_len, str_len, -str_len,
NULL);
if (res != tests[i].res)
{
printf ("ICASE backward re_search %zd failed: %d\n", i, res);
ret = 1;
regfree (&regbuf);
continue;
} */
regfree (&regbuf);
}

View File

@ -401,7 +401,8 @@ re_compile_fastmap_iter (bufp, init_state, fastmap)
}
}
#endif /* RE_ENABLE_I18N */
else if (type == END_OF_RE || type == OP_PERIOD)
else if (type == END_OF_RE || type == OP_PERIOD
|| type == OP_UTF8_PERIOD)
{
memset (fastmap, '\1', sizeof (char) * SBC_MAX);
if (type == END_OF_RE)
@ -765,7 +766,7 @@ re_compile_internal (preg, pattern, length, syntax)
#ifdef RE_ENABLE_I18N
/* If possible, do searching in single byte encoding to speed things up. */
if (dfa->is_utf8 && !(syntax & RE_ICASE))
if (dfa->is_utf8 && !(syntax & RE_ICASE) && preg->translate == NULL)
optimize_utf8 (dfa);
#endif
@ -965,7 +966,7 @@ static void
optimize_utf8 (dfa)
re_dfa_t *dfa;
{
int node, i, mb_chars = 0;
int node, i, mb_chars = 0, has_period = 0;
for (node = 0; node < dfa->nodes_len; ++node)
switch (dfa->nodes[node].type)
@ -987,10 +988,12 @@ optimize_utf8 (dfa)
return;
}
break;
case OP_PERIOD:
has_period = 1;
break;
case OP_BACK_REF:
case OP_ALT:
case END_OF_RE:
case BACK_SLASH:
case OP_DUP_ASTERISK:
case OP_DUP_QUESTION:
case OP_DUP_PLUS:
@ -1007,16 +1010,20 @@ optimize_utf8 (dfa)
return;
}
if (mb_chars)
if (mb_chars || has_period)
for (node = 0; node < dfa->nodes_len; ++node)
{
if (dfa->nodes[node].type == CHARACTER
&& dfa->nodes[node].opr.c >= 0x80)
dfa->nodes[node].mb_partial = 0;
else if (dfa->nodes[node].type == OP_PERIOD)
dfa->nodes[node].type = OP_UTF8_PERIOD;
}
/* The search can be in single byte locale. */
dfa->mb_cur_max = 1;
dfa->is_utf8 = 0;
dfa->has_mb_node = dfa->nbackref > 0;
dfa->has_mb_node = dfa->nbackref > 0 || has_period;
}
#endif
@ -1124,6 +1131,7 @@ calc_first (dfa, node)
case OP_DUP_ASTERISK:
case OP_DUP_QUESTION:
#ifdef RE_ENABLE_I18N
case OP_UTF8_PERIOD:
case COMPLEX_BRACKET:
#endif /* RE_ENABLE_I18N */
case SIMPLE_BRACKET:
@ -3159,16 +3167,29 @@ parse_bracket_exp (regexp, dfa, token, syntax, err)
{
re_token_t alt_token;
bin_tree_t *mbc_tree;
int sbc_idx;
/* Build a tree for complex bracket. */
dfa->has_mb_node = 1;
dfa->has_plural_match = 1;
for (sbc_idx = 0; sbc_idx < BITSET_UINTS; ++sbc_idx)
if (sbcset[sbc_idx])
break;
/* If there are no bits set in sbcset, there is no point
of having both SIMPLE_BRACKET and COMPLEX_BRACKET. */
if (sbc_idx == BITSET_UINTS)
{
re_free (sbcset);
dfa->nodes[new_idx].type = COMPLEX_BRACKET;
dfa->nodes[new_idx].opr.mbcset = mbcset;
return work_tree;
}
br_token.type = COMPLEX_BRACKET;
br_token.opr.mbcset = mbcset;
dfa->has_mb_node = 1;
new_idx = re_dfa_add_node (dfa, br_token, 0);
mbc_tree = create_tree (NULL, NULL, 0, new_idx);
if (BE (new_idx == -1 || mbc_tree == NULL, 0))
goto parse_bracket_exp_espace;
/* Then join them by ALT node. */
dfa->has_plural_match = 1;
alt_token.type = OP_ALT;
new_idx = re_dfa_add_node (dfa, alt_token, 0);
work_tree = create_tree (work_tree, mbc_tree, 0, new_idx);

View File

@ -581,6 +581,8 @@ re_string_reconstruct (pstr, idx, eflags, newline)
build_upper_buffer (pstr);
else if (pstr->trans != NULL)
re_string_translate_buffer (pstr);
else
pstr->valid_len = pstr->len;
}
pstr->cur_idx = 0;
@ -1257,6 +1259,7 @@ create_ci_newstate (dfa, nodes, hash)
newstate->halt = 1;
#ifdef RE_ENABLE_I18N
else if (type == COMPLEX_BRACKET
|| type == OP_UTF8_PERIOD
|| (type == OP_PERIOD && dfa->mb_cur_max > 1))
newstate->accept_mb = 1;
#endif /* RE_ENABLE_I18N */
@ -1308,6 +1311,7 @@ create_cd_newstate (dfa, nodes, context, hash)
newstate->halt = 1;
#ifdef RE_ENABLE_I18N
else if (type == COMPLEX_BRACKET
|| type == OP_UTF8_PERIOD
|| (type == OP_PERIOD && dfa->mb_cur_max > 1))
newstate->accept_mb = 1;
#endif /* RE_ENABLE_I18N */

View File

@ -167,8 +167,31 @@ typedef enum
{
NON_TYPE = 0,
/* Node type, These are used by token, node, tree. */
CHARACTER = 1,
END_OF_RE = 2,
SIMPLE_BRACKET = 3,
OP_BACK_REF = 4,
OP_PERIOD = 5,
#ifdef RE_ENABLE_I18N
COMPLEX_BRACKET = 6,
OP_UTF8_PERIOD = 7,
#endif /* RE_ENABLE_I18N */
EPSILON_BIT = 8,
OP_OPEN_SUBEXP = EPSILON_BIT | 0,
OP_CLOSE_SUBEXP = EPSILON_BIT | 1,
OP_ALT = EPSILON_BIT | 2,
OP_DUP_ASTERISK = EPSILON_BIT | 3,
OP_DUP_PLUS = EPSILON_BIT | 4,
OP_DUP_QUESTION = EPSILON_BIT | 5,
ANCHOR = EPSILON_BIT | 6,
/* Tree type, these are used only by tree. */
CONCAT = 16,
/* Token type, these are used only by token. */
OP_OPEN_BRACKET,
OP_OPEN_BRACKET = 17,
OP_CLOSE_BRACKET,
OP_CHARSET_RANGE,
OP_OPEN_DUP_NUM,
@ -184,32 +207,8 @@ typedef enum
OP_NOTWORD,
OP_SPACE,
OP_NOTSPACE,
BACK_SLASH,
BACK_SLASH
/* Tree type, these are used only by tree. */
CONCAT,
ALT,
SUBEXP,
SIMPLE_BRACKET,
#ifdef RE_ENABLE_I18N
COMPLEX_BRACKET,
#endif /* RE_ENABLE_I18N */
/* Node type, These are used by token, node, tree. */
OP_OPEN_SUBEXP,
OP_CLOSE_SUBEXP,
OP_PERIOD,
CHARACTER,
END_OF_RE,
OP_ALT,
OP_DUP_ASTERISK,
OP_DUP_PLUS,
OP_DUP_QUESTION,
OP_BACK_REF,
ANCHOR,
/* Dummy marker. */
END_OF_RE_TOKEN_T
} re_token_type_t;
#ifdef RE_ENABLE_I18N
@ -284,13 +283,9 @@ typedef struct
#endif
} re_token_t;
#define IS_EPSILON_NODE(type) \
((type) == OP_ALT || (type) == OP_DUP_ASTERISK || (type) == OP_DUP_PLUS \
|| (type) == OP_DUP_QUESTION || (type) == ANCHOR \
|| (type) == OP_OPEN_SUBEXP || (type) == OP_CLOSE_SUBEXP)
#define IS_EPSILON_NODE(type) ((type) & EPSILON_BIT)
#define ACCEPT_MB_NODE(type) \
((type) == COMPLEX_BRACKET || (type) == OP_PERIOD)
((type) >= OP_PERIOD && (type) <= OP_UTF8_PERIOD)
struct re_string_t
{

View File

@ -2339,7 +2339,7 @@ transit_state_mb (preg, pstate, mctx)
continue;
}
/* How many bytes the node can accepts? */
/* How many bytes the node can accept? */
if (ACCEPT_MB_NODE (dfa->nodes[cur_node_idx].type))
naccepted = check_node_accept_bytes (preg, cur_node_idx, mctx->input,
re_string_cur_idx (mctx->input));
@ -3366,6 +3366,14 @@ group_nodes_into_DFAstates (preg, state, dests_node, dests_ch)
if (preg->syntax & RE_DOT_NOT_NULL)
bitset_clear (accepts, '\0');
}
else if (type == OP_UTF8_PERIOD)
{
memset (accepts, 255, sizeof (unsigned int) * BITSET_UINTS / 2);
if (!(preg->syntax & RE_DOT_NEWLINE))
bitset_clear (accepts, '\n');
if (preg->syntax & RE_DOT_NOT_NULL)
bitset_clear (accepts, '\0');
}
else
continue;
@ -3480,13 +3488,67 @@ check_node_accept_bytes (preg, node_idx, input, str_idx)
{
const re_dfa_t *dfa = (re_dfa_t *) preg->buffer;
const re_token_t *node = dfa->nodes + node_idx;
int elem_len = re_string_elem_size_at (input, str_idx);
int char_len = re_string_char_size_at (input, str_idx);
int char_len, elem_len;
int i;
if (elem_len <= 1 && char_len <= 1)
if (BE (node->type == OP_UTF8_PERIOD, 0))
{
unsigned char c = re_string_byte_at (input, str_idx), d;
if (BE (c < 0xc2, 1))
return 0;
if (str_idx + 2 > input->len)
return 0;
d = re_string_byte_at (input, str_idx + 1);
if (c < 0xe0)
return (d < 0x80 || d > 0xbf) ? 0 : 2;
else if (c < 0xf0)
{
char_len = 3;
if (c == 0xe0 && d < 0xa0)
return 0;
}
else if (c < 0xf8)
{
char_len = 4;
if (c == 0xf0 && d < 0x90)
return 0;
}
else if (c < 0xfc)
{
char_len = 5;
if (c == 0xf8 && d < 0x88)
return 0;
}
else if (c < 0xfe)
{
char_len = 6;
if (c == 0xfc && d < 0x84)
return 0;
}
else
return 0;
if (str_idx + char_len > input->len)
return 0;
for (i = 1; i < char_len; ++i)
{
d = re_string_byte_at (input, str_idx + i);
if (d < 0x80 || d > 0xbf)
return 0;
}
return char_len;
}
char_len = re_string_char_size_at (input, str_idx);
if (node->type == OP_PERIOD)
{
if (char_len <= 1)
return 0;
/* FIXME: I don't think this if is needed, as both '\n'
and '\0' are char_len == 1. */
/* '.' accepts any one character except the following two cases. */
if ((!(preg->syntax & RE_DOT_NEWLINE) &&
re_string_byte_at (input, str_idx) == '\n') ||
@ -3495,7 +3557,12 @@ check_node_accept_bytes (preg, node_idx, input, str_idx)
return 0;
return char_len;
}
else if (node->type == COMPLEX_BRACKET)
elem_len = re_string_elem_size_at (input, str_idx);
if (elem_len <= 1 && char_len <= 1)
return 0;
if (node->type == COMPLEX_BRACKET)
{
const re_charset_t *cset = node->opr.mbcset;
# ifdef _LIBC
@ -3731,15 +3798,22 @@ check_node_accept (preg, node, mctx, idx)
return 0;
}
ch = re_string_byte_at (mctx->input, idx);
if (node->type == CHARACTER)
switch (node->type)
{
case CHARACTER:
return node->opr.c == ch;
else if (node->type == SIMPLE_BRACKET)
case SIMPLE_BRACKET:
return bitset_contain (node->opr.sbcset, ch);
else if (node->type == OP_PERIOD)
case OP_UTF8_PERIOD:
if (ch >= 0x80)
return 0;
/* FALLTHROUGH */
case OP_PERIOD:
return !((ch == '\n' && !(preg->syntax & RE_DOT_NEWLINE))
|| (ch == '\0' && (preg->syntax & RE_DOT_NOT_NULL)));
else
default:
return 0;
}
}
/* Extend the buffers, if the buffers have run out. */