xref: /netbsd-src/sys/external/bsd/sljit/dist/regex_src/regexMain.c (revision 06eb4e7bdb1e14f0c368bf8554cee763517c4736)
1 /*
2  *    Stack-less Just-In-Time compiler
3  *
4  *    Copyright Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without modification, are
7  * permitted provided that the following conditions are met:
8  *
9  *   1. Redistributions of source code must retain the above copyright notice, this list of
10  *      conditions and the following disclaimer.
11  *
12  *   2. Redistributions in binary form must reproduce the above copyright notice, this list
13  *      of conditions and the following disclaimer in the documentation and/or other materials
14  *      provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY
17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
19  * SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
21  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
22  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
24  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 /* Must be the first one. Must not depend on any other include. */
28 #include "sljitLir.h"
29 #include "regexJIT.h"
30 
31 #include <stdio.h>
32 
33 #if defined _WIN32 || defined _WIN64
34 #define COLOR_RED
35 #define COLOR_GREEN
36 #define COLOR_ARCH
37 #define COLOR_DEFAULT
38 #else
39 #define COLOR_RED "\33[31m"
40 #define COLOR_GREEN "\33[32m"
41 #define COLOR_ARCH "\33[33m"
42 #define COLOR_DEFAULT "\33[0m"
43 #endif
44 
45 #ifdef REGEX_USE_8BIT_CHARS
46 #define S(str)	str
47 #else
48 #define S(str)	L##str
49 #endif
50 
51 #ifdef REGEX_MATCH_VERBOSE
verbose_test(regex_char_t * pattern,regex_char_t * string)52 void verbose_test(regex_char_t *pattern, regex_char_t *string)
53 {
54 	int error;
55 	regex_char_t *ptr;
56 	struct regex_machine* machine;
57 	struct regex_match* match;
58 	int begin, end, id;
59 
60 	ptr = pattern;
61 	while (*ptr)
62 		ptr++;
63 
64 	printf("Start test '%s' matches to '%s'\n", pattern, string);
65 	machine = regex_compile(pattern, ptr - pattern, REGEX_MATCH_VERBOSE | REGEX_NEWLINE, &error);
66 
67 	if (error) {
68 		printf("WARNING: Error %d\n", error);
69 		return;
70 	}
71 	if (!machine) {
72 		printf("ERROR: machine must be exists. Report this bug, please\n");
73 		return;
74 	}
75 
76 	match = regex_begin_match(machine);
77 	if (!match) {
78 		printf("WARNING: Not enough memory for matching\n");
79 		regex_free_machine(machine);
80 		return;
81 	}
82 
83 	ptr = string;
84 	while (*ptr)
85 		ptr++;
86 
87 	regex_continue_match_debug(match, string, ptr - string);
88 
89 	begin = regex_get_result(match, &end, &id);
90 	printf("Math returns: %3d->%3d [%3d]\n", begin, end, id);
91 
92 	regex_free_match(match);
93 	regex_free_machine(machine);
94 }
95 #endif
96 
97 struct test_case {
98 	int begin;	/* Expected begin. */
99 	int end;	/* Expected end. */
100 	int id;		/* Expected id. */
101 	int finished;	/* -1 : don't care, 0 : false, 1 : true. */
102 	int flags;	/* REGEX_MATCH_* */
103 	const regex_char_t *pattern;	/* NULL : use the previous pattern. */
104 	const regex_char_t *string;	/* NULL : end of tests. */
105 };
106 
run_tests(struct test_case * test,int verbose,int silent)107 void run_tests(struct test_case* test, int verbose, int silent)
108 {
109 	int error;
110 	const regex_char_t *ptr;
111 	struct regex_machine* machine = NULL;
112 	struct regex_match* match;
113 	int begin, end, id, finished;
114 	int success = 0, fail = 0;
115 
116 	if (!verbose && !silent)
117 		printf("Pass -v to enable verbose, -s to disable this hint.\n\n");
118 
119 	for ( ; test->string ; test++) {
120 		if (verbose)
121 			printf("test: '%s' '%s': ", test->pattern ? test->pattern : "[[REUSE]]", test->string);
122 		fail++;
123 
124 		if (test->pattern) {
125 			if (machine)
126 				regex_free_machine(machine);
127 
128 			ptr = test->pattern;
129 			while (*ptr)
130 				ptr++;
131 
132 			machine = regex_compile(test->pattern, ptr - test->pattern, test->flags, &error);
133 
134 			if (error) {
135 				if (!verbose)
136 					printf("test: '%s' '%s': ", test->pattern ? test->pattern : "[[REUSE]]", test->string);
137 				printf("ABORT: Error %d\n", error);
138 				return;
139 			}
140 			if (!machine) {
141 				if (!verbose)
142 					printf("test: '%s' '%s': ", test->pattern ? test->pattern : "[[REUSE]]", test->string);
143 				printf("ABORT: machine must be exists. Report this bug, please\n");
144 				return;
145 			}
146 		}
147 		else if (test->flags != 0) {
148 			if (!verbose)
149 				printf("test: '%s' '%s': ", test->pattern ? test->pattern : "[[REUSE]]", test->string);
150 			printf("ABORT: flag must be 0 if no pattern\n");
151 			return;
152 		}
153 
154 		ptr = test->string;
155 		while (*ptr)
156 			ptr++;
157 
158 		match = regex_begin_match(machine);
159 #ifdef REGEX_MATCH_VERBOSE
160 		if (!match) {
161 			if (!verbose)
162 				printf("test: '%s' '%s': ", test->pattern ? test->pattern : "[[REUSE]]", test->string);
163 			printf("ABORT: Not enough memory for matching\n");
164 			regex_free_machine(machine);
165 			return;
166 		}
167 		regex_continue_match_debug(match, test->string, ptr - test->string);
168 		begin = regex_get_result(match, &end, &id);
169 		finished = regex_is_match_finished(match);
170 
171 		if (begin != test->begin || end != test->end || id != test->id) {
172 			if (!verbose)
173 				printf("test: '%s' '%s': ", test->pattern ? test->pattern : "[[REUSE]]", test->string);
174 			printf("FAIL A: begin: %d != %d || end: %d != %d || id: %d != %d\n", test->begin, begin, test->end, end, test->id, id);
175 			continue;
176 		}
177 		if (test->finished != -1 && test->finished != !!finished) {
178 			if (!verbose)
179 				printf("test: '%s' '%s': ", test->pattern ? test->pattern : "[[REUSE]]", test->string);
180 			printf("FAIL A: finish check\n");
181 			continue;
182 		}
183 #endif
184 
185 		regex_reset_match(match);
186 		regex_continue_match(match, test->string, ptr - test->string);
187 		begin = regex_get_result(match, &end, &id);
188 		finished = regex_is_match_finished(match);
189 		regex_free_match(match);
190 
191 		if (begin != test->begin || end != test->end || id != test->id) {
192 			if (!verbose)
193 				printf("test: '%s' '%s': ", test->pattern ? test->pattern : "[[REUSE]]", test->string);
194 			printf("FAIL B: begin: %d != %d || end: %d != %d || id: %d != %d\n", test->begin, begin, test->end, end, test->id, id);
195 			continue;
196 		}
197 		if (test->finished != -1 && test->finished != !!finished) {
198 			if (!verbose)
199 				printf("test: '%s' '%s': ", test->pattern ? test->pattern : "[[REUSE]]", test->string);
200 			printf("FAIL B: finish check\n");
201 			continue;
202 		}
203 
204 		if (verbose)
205 			printf("SUCCESS\n");
206 		fail--;
207 		success++;
208 	}
209 	if (machine)
210 		regex_free_machine(machine);
211 
212 	printf("REGEX tests: ");
213 	if (fail == 0)
214 		printf("all tests are " COLOR_GREEN "PASSED" COLOR_DEFAULT " ");
215 	else
216 		printf(COLOR_RED "%d" COLOR_DEFAULT " (" COLOR_RED "%d%%" COLOR_DEFAULT ") tests are failed ", fail, fail * 100 / (success + fail));
217 	printf("on " COLOR_ARCH "%s" COLOR_DEFAULT "\n", regex_get_platform_name());
218 }
219 
220 /* Testing. */
221 
222 static struct test_case tests[] = {
223 { 3, 7, 0, -1, 0,
224   S("text"), S("is textile") },
225 { 0, 10, 0, -1, 0,
226   S("^(ab|c)*?d+(es)?"), S("abccabddeses") },
227 { -1, 0, 0, 1, 0,
228   S("^a+"), S("saaaa") },
229 { 3, 6, 0, 0, 0,
230   S("(a+|b+)$"), S("saabbb") },
231 { 1, 6, 0, 0, 0,
232   S("(a+|b+){,2}$"), S("saabbb") },
233 { 1, 6, 0, 1, 0,
234   S("(abcde|bc)(a+*|(b|c){2}+){0}"), S("babcdeaaaaaaaa") },
235 { 1, 6, 0, 1, 0,
236   S("(abc(aa)?|(cab+){2})"), S("cabcaa") },
237 { -1, 0, 0, 1, 0,
238   S("^(abc(aa)?|(cab+){2})$"), S("cabcaa") },
239 { 0, 3, 1, -1, 0,
240   S("^(ab{001!})?c"), S("abcde") },
241 { 1, 15, 2, -1, 0,
242   S("(c?(a|bb{2!}){2,3}()+d){2,3}"), S("ccabbadbbadcaadcaad") },
243 { 2, 9, 0, -1, 0,
244   NULL, S("cacaadaadaa") },
245 { -1, 0, 0, -1, REGEX_MATCH_BEGIN,
246   S("(((ab?c|d{1})))"), S("ad") },
247 { 0, 9, 3, -1, REGEX_MATCH_BEGIN,
248   S("^((a{1!}|b{2!}|c{3!}){3,6}d)+"), S("cabadbacddaa") },
249 { 1, 6, 0, 0, REGEX_MATCH_END,
250   S("(a+(bb|cc?)?){4,}"), S("maaaac") },
251 { 3, 12, 1, 0, REGEX_MATCH_END,
252   S("(x+x+{02,03}(x+|{1!})){03,06}$"), S("aaaxxxxxxxxx") },
253 { 1, 2, 3, -1, 0,
254   S("((c{1!})?|x+{2!}|{3!})(a|c)"), S("scs") },
255 { 1, 4, 2, 1, 0,
256   NULL, S("sxxaxxxaccacca") },
257 { 0, 2, 1, 1, 0,
258   NULL, S("ccdcdcdddddcdccccd") },
259 { 0, 3, 0, -1, REGEX_MATCH_NON_GREEDY,
260   S("^a+a+a+"), S("aaaaaa") },
261 { 2, 5, 0, -1, REGEX_MATCH_NON_GREEDY,
262   S("a+a+a+"), S("bbaaaaaa") },
263 { 1, 4, 0, 1, 0,
264   S("baa|a+"), S("sbaaaaaa") },
265 { 0, 6, 0, 1, 0,
266   S("baaa|baa|sbaaaa"), S("sbaaaaa") },
267 { 1, 4, 0, 1, REGEX_MATCH_NON_GREEDY,
268   S("baaa|baa"), S("xbaaa") },
269 { 0, 0, 3, 1, 0,
270   S("{3!}"), S("xx") },
271 { 0, 0, 1, 1, 0,
272   S("{1!}(a{2!})*"), S("xx") },
273 { 0, 2, 2, 0, 0,
274   NULL, S("aa") },
275 { 0, 0, 1, 1, REGEX_MATCH_NON_GREEDY,
276   S("{1!}(a{2!})*"), S("aaxx") },
277 { 4, 12, 0, 1, 0,
278   S("(.[]-]){3}[^]-]{2}"), S("ax-xs-[][]lmn") },
279 { 3, 7, 1, 1, 0,
280   S("([ABC]|[abc]{1!}){3,5}"), S("AbSAabbx") },
281 { 0, 8, 3, 0, 0,
282   S("^[x\\-y[\\]]+([[\\]]{3!})*$"), S("x-y[-][]") },
283 { 0, 9, 0, 0, 0,
284   NULL, S("x-y[-][]x") },
285 { 2, 8, 0, 1, 0,
286   S("<(/{1!})?[^>]+>"), S("  <html></html> ") },
287 { 2, 9, 1, 1, 0,
288   NULL, S("  </html><html> ") },
289 { 2, 9, 0, 1, 0,
290   S("[A-Z0-9a-z]+"), S("[(Iden9aA)]") },
291 { 1, 4, 0, 1, 0,
292   S("[^x-y]+[a-c_]{2,3}"), S("x_a_y") },
293 { 4, 11, 0, 0, 0,
294   NULL, S("ssaymmaa_ccl") },
295 { 3, 6, 0, 1, REGEX_NEWLINE,
296   S(".a[^k]"), S("\na\nxa\ns") },
297 { 0, 2, 0, 1, REGEX_NEWLINE,
298   S("^a+"), S("aa\n") },
299 { 1, 4, 0, 1, 0 /* =REGEX_NEWLINE */,
300   NULL, S("\naaa\n") },
301 { 2, 3, 0, 1, 0 /* =REGEX_NEWLINE */,
302   NULL, S("\n\na\n") },
303 { 0, 2, 0, 1, REGEX_NEWLINE,
304   S("a+$"), S("aa\n") },
305 { 0, 3, 0, 0, 0 /* =REGEX_NEWLINE */,
306   NULL, S("aaa") },
307 { 2, 4, 1, 1, REGEX_NEWLINE,
308   S("^a(a{1!})*$"), S("\n\naa\n\n") },
309 { 0, 1, 0, 0, 0 /* REGEX_NEWLINE */,
310   NULL, S("a") },
311 { -1, 0, 0, -1, 0 /* REGEX_NEWLINE */,
312   NULL, S("ab\nba") },
313 { -1, 0, 0, 0, 0,
314   NULL, NULL }
315 };
316 
main(int argc,char * argv[])317 int main(int argc, char* argv[])
318 {
319 	int has_arg = (argc >= 2 && argv[1][0] == '-' && argv[1][2] == '\0');
320 
321 /*	verbose_test("a((b)((c|d))|)c|"); */
322 /*	verbose_test("Xa{009,0010}Xb{,7}Xc{5,}Xd{,}Xe{1,}Xf{,1}X"); */
323 /*	verbose_test("{3!}({3})({0!}){,"); */
324 /*	verbose_test("(s(ab){2,4}t){2,}*S(a*(b)(c()|)d+){3,4}{0,0}*M"); */
325 /*	verbose_test("^a({2!})*b+(a|{1!}b)+d$"); */
326 /*	verbose_test("((a|b|c)*(xy)+)+", "asbcxyxy"); */
327 
328 	run_tests(tests, has_arg && argv[1][1] == 'v', has_arg && argv[1][1] == 's');
329 
330 	sljit_free_unused_memory_exec();
331 
332 	return 0;
333 }
334