| /* Test for UTF-8 regular expression optimizations. |
| Copyright (C) 2003-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <sys/types.h> |
| #include <mcheck.h> |
| #include <regex.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <locale.h> |
| |
| #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; |
| const char *pattern; |
| const char *string; |
| int res, optimize; |
| } tests[] = { |
| /* \xc3\x84 LATIN CAPITAL LETTER A WITH DIAERESIS |
| \xc3\x96 LATIN CAPITAL LETTER O WITH DIAERESIS |
| \xc3\xa4 LATIN SMALL LETTER A WITH DIAERESIS |
| \xc3\xb6 LATIN SMALL LETTER O WITH DIAERESIS |
| \xe2\x80\x94 EM DASH */ |
| /* Should be optimized. */ |
| {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}, |
| {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}, |
| {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}, |
| {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\x9d\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\x9d\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. */ |
| {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 |
| main (void) |
| { |
| struct re_pattern_buffer regbuf; |
| const char *err; |
| size_t i; |
| int ret = 0; |
| |
| mtrace (); |
| |
| setlocale (LC_ALL, "de_DE.UTF-8"); |
| for (i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i) |
| { |
| int res, optimized; |
| |
| re_set_syntax (tests[i].syntax); |
| memset (®buf, '\0', sizeof (regbuf)); |
| err = re_compile_pattern (tests[i].pattern, strlen (tests[i].pattern), |
| ®buf); |
| if (err != NULL) |
| { |
| printf ("re_compile_pattern failed: %s\n", err); |
| ret = 1; |
| continue; |
| } |
| |
| /* Check if re_search will be done as multi-byte or single-byte. */ |
| optimized = ((re_dfa_t *) regbuf.buffer)->mb_cur_max == 1; |
| if (optimized != tests[i].optimize) |
| { |
| printf ("pattern %zd %soptimized while it should%s be\n", |
| i, optimized ? "" : "not ", tests[i].optimize ? "" : " not"); |
| ret = 1; |
| } |
| |
| int str_len = strlen (tests[i].string); |
| res = re_search (®buf, tests[i].string, str_len, 0, str_len, NULL); |
| if (res != tests[i].res) |
| { |
| printf ("re_search %zd failed: %d\n", i, res); |
| ret = 1; |
| regfree (®buf); |
| continue; |
| } |
| |
| res = re_search (®buf, 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 (®buf); |
| continue; |
| } |
| regfree (®buf); |
| |
| re_set_syntax (tests[i].syntax | RE_ICASE); |
| memset (®buf, '\0', sizeof (regbuf)); |
| err = re_compile_pattern (tests[i].pattern, strlen (tests[i].pattern), |
| ®buf); |
| if (err != NULL) |
| { |
| printf ("re_compile_pattern failed: %s\n", err); |
| ret = 1; |
| continue; |
| } |
| |
| /* Check if re_search will be done as multi-byte or single-byte. */ |
| optimized = ((re_dfa_t *) regbuf.buffer)->mb_cur_max == 1; |
| if (optimized) |
| { |
| printf ("pattern %zd optimized while it should not be when case insensitive\n", |
| i); |
| ret = 1; |
| } |
| |
| res = re_search (®buf, tests[i].string, str_len, 0, str_len, NULL); |
| if (res != tests[i].res) |
| { |
| printf ("ICASE re_search %zd failed: %d\n", i, res); |
| ret = 1; |
| regfree (®buf); |
| continue; |
| } |
| |
| res = re_search (®buf, 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 (®buf); |
| continue; |
| } |
| regfree (®buf); |
| } |
| |
| return ret; |
| } |