xref: /netbsd-src/sys/external/bsd/sljit/dist/regex_src/regexMain.c (revision ba65fde2d7fefa7d39838fa5fa855e62bd606b5e)
1 /*
2  *    Stack-less Just-In-Time compiler
3  *
4  *    Copyright 2009-2010 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 #include "regexJIT.h"
28 
29 #include <stdio.h>
30 
31 #ifdef REGEX_USE_8BIT_CHARS
32 #define S(str)	str
33 #else
34 #define S(str)	L##str
35 #endif
36 
37 #ifdef REGEX_MATCH_VERBOSE
38 void verbose_test(regex_char_t *pattern, regex_char_t *string)
39 {
40 	int error;
41 	regex_char_t *ptr;
42 	struct regex_machine* machine;
43 	struct regex_match* match;
44 	int begin, end, id;
45 
46 	ptr = pattern;
47 	while (*ptr)
48 		ptr++;
49 
50 	printf("Start test '%s' matches to '%s'\n", pattern, string);
51 	machine = regex_compile(pattern, ptr - pattern, REGEX_MATCH_VERBOSE | REGEX_NEWLINE, &error);
52 
53 	if (error) {
54 		printf("WARNING: Error %d\n", error);
55 		return;
56 	}
57 	if (!machine) {
58 		printf("ERROR: machine must be exists. Report this bug, please\n");
59 		return;
60 	}
61 
62 	match = regex_begin_match(machine);
63 	if (!match) {
64 		printf("WARNING: Not enough memory for matching\n");
65 		regex_free_machine(machine);
66 		return;
67 	}
68 
69 	ptr = string;
70 	while (*ptr)
71 		ptr++;
72 
73 	regex_continue_match_debug(match, string, ptr - string);
74 
75 	begin = regex_get_result(match, &end, &id);
76 	printf("Math returns: %3d->%3d [%3d]\n", begin, end, id);
77 
78 	regex_free_match(match);
79 	regex_free_machine(machine);
80 }
81 #endif
82 
83 struct test_case {
84 	int begin;	/* Expected begin. */
85 	int end;	/* Expected end. */
86 	int id;		/* Expected id. */
87 	int finished;	/* -1 : don't care, 0 : false, 1 : true. */
88 	int flags;	/* REGEX_MATCH_* */
89 	const regex_char_t *pattern;	/* NULL : use the previous pattern. */
90 	const regex_char_t *string;	/* NULL : end of tests. */
91 };
92 
93 void run_tests(struct test_case* test)
94 {
95 	int error;
96 	const regex_char_t *ptr;
97 	struct regex_machine* machine = NULL;
98 	struct regex_match* match;
99 	int begin, end, id, finished;
100 	int success = 0, fail = 0;
101 
102 	for ( ; test->string ; test++) {
103 		printf("test: '%s' '%s': ", test->pattern ? test->pattern : "[[REUSE]]", test->string);
104 		fail++;
105 
106 		if (test->pattern) {
107 			if (machine)
108 				regex_free_machine(machine);
109 
110 			ptr = test->pattern;
111 			while (*ptr)
112 				ptr++;
113 
114 			machine = regex_compile(test->pattern, ptr - test->pattern, test->flags, &error);
115 
116 			if (error) {
117 				printf("ABORT: Error %d\n", error);
118 				return;
119 			}
120 			if (!machine) {
121 				printf("ABORT: machine must be exists. Report this bug, please\n");
122 				return;
123 			}
124 		}
125 		else if (test->flags != 0) {
126 			printf("ABORT: flag must be 0 if no pattern\n");
127 			return;
128 		}
129 
130 		ptr = test->string;
131 		while (*ptr)
132 			ptr++;
133 
134 		match = regex_begin_match(machine);
135 #ifdef REGEX_MATCH_VERBOSE
136 		if (!match) {
137 			printf("ABORT: Not enough memory for matching\n");
138 			regex_free_machine(machine);
139 			return;
140 		}
141 		regex_continue_match_debug(match, test->string, ptr - test->string);
142 		begin = regex_get_result(match, &end, &id);
143 		finished = regex_is_match_finished(match);
144 
145 		if (begin != test->begin || end != test->end || id != test->id) {
146 			printf("FAIL A: begin: %d != %d || end: %d != %d || id: %d != %d\n", test->begin, begin, test->end, end, test->id, id);
147 			continue;
148 		}
149 		if (test->finished != -1 && test->finished != !!finished) {
150 			printf("FAIL A: finish check\n");
151 			continue;
152 		}
153 #endif
154 
155 		regex_reset_match(match);
156 		regex_continue_match(match, test->string, ptr - test->string);
157 		begin = regex_get_result(match, &end, &id);
158 		finished = regex_is_match_finished(match);
159 		regex_free_match(match);
160 
161 		if (begin != test->begin || end != test->end || id != test->id) {
162 			printf("FAIL B: begin: %d != %d || end: %d != %d || id: %d != %d\n", test->begin, begin, test->end, end, test->id, id);
163 			continue;
164 		}
165 		if (test->finished != -1 && test->finished != !!finished) {
166 			printf("FAIL B: finish check\n");
167 			continue;
168 		}
169 
170 		printf("SUCCESS\n");
171 		fail--;
172 		success++;
173 	}
174 	if (machine)
175 		regex_free_machine(machine);
176 
177 	printf("On %s: ", regex_get_platform_name());
178 	if (fail == 0)
179 		printf("All tests are passed!\n");
180 	else
181 		printf("Successful test ratio: %d%%.\n", success * 100 / (success + fail));
182 }
183 
184 /* Testing. */
185 
186 static struct test_case tests[] = {
187 { 3, 7, 0, -1, 0,
188   S("text"), S("is textile") },
189 { 0, 10, 0, -1, 0,
190   S("^(ab|c)*?d+(es)?"), S("abccabddeses") },
191 { -1, 0, 0, 1, 0,
192   S("^a+"), S("saaaa") },
193 { 3, 6, 0, 0, 0,
194   S("(a+|b+)$"), S("saabbb") },
195 { 1, 6, 0, 0, 0,
196   S("(a+|b+){,2}$"), S("saabbb") },
197 { 1, 6, 0, 1, 0,
198   S("(abcde|bc)(a+*|(b|c){2}+){0}"), S("babcdeaaaaaaaa") },
199 { 1, 6, 0, 1, 0,
200   S("(abc(aa)?|(cab+){2})"), S("cabcaa") },
201 { -1, 0, 0, 1, 0,
202   S("^(abc(aa)?|(cab+){2})$"), S("cabcaa") },
203 { 0, 3, 1, -1, 0,
204   S("^(ab{001!})?c"), S("abcde") },
205 { 1, 15, 2, -1, 0,
206   S("(c?(a|bb{2!}){2,3}()+d){2,3}"), S("ccabbadbbadcaadcaad") },
207 { 2, 9, 0, -1, 0,
208   NULL, S("cacaadaadaa") },
209 { -1, 0, 0, -1, REGEX_MATCH_BEGIN,
210   S("(((ab?c|d{1})))"), S("ad") },
211 { 0, 9, 3, -1, REGEX_MATCH_BEGIN,
212   S("^((a{1!}|b{2!}|c{3!}){3,6}d)+"), S("cabadbacddaa") },
213 { 1, 6, 0, 0, REGEX_MATCH_END,
214   S("(a+(bb|cc?)?){4,}"), S("maaaac") },
215 { 3, 12, 1, 0, REGEX_MATCH_END,
216   S("(x+x+{02,03}(x+|{1!})){03,06}$"), S("aaaxxxxxxxxx") },
217 { 1, 2, 3, -1, 0,
218   S("((c{1!})?|x+{2!}|{3!})(a|c)"), S("scs") },
219 { 1, 4, 2, 1, 0,
220   NULL, S("sxxaxxxaccacca") },
221 { 0, 2, 1, 1, 0,
222   NULL, S("ccdcdcdddddcdccccd") },
223 { 0, 3, 0, -1, REGEX_MATCH_NON_GREEDY,
224   S("^a+a+a+"), S("aaaaaa") },
225 { 2, 5, 0, -1, REGEX_MATCH_NON_GREEDY,
226   S("a+a+a+"), S("bbaaaaaa") },
227 { 1, 4, 0, 1, 0,
228   S("baa|a+"), S("sbaaaaaa") },
229 { 0, 6, 0, 1, 0,
230   S("baaa|baa|sbaaaa"), S("sbaaaaa") },
231 { 1, 4, 0, 1, REGEX_MATCH_NON_GREEDY,
232   S("baaa|baa"), S("xbaaa") },
233 { 0, 0, 3, 1, 0,
234   S("{3!}"), S("xx") },
235 { 0, 0, 1, 1, 0,
236   S("{1!}(a{2!})*"), S("xx") },
237 { 0, 2, 2, 0, 0,
238   NULL, S("aa") },
239 { 0, 0, 1, 1, REGEX_MATCH_NON_GREEDY,
240   S("{1!}(a{2!})*"), S("aaxx") },
241 { 4, 12, 0, 1, 0,
242   S("(.[]-]){3}[^]-]{2}"), S("ax-xs-[][]lmn") },
243 { 3, 7, 1, 1, 0,
244   S("([ABC]|[abc]{1!}){3,5}"), S("AbSAabbx") },
245 { 0, 8, 3, 0, 0,
246   S("^[x\\-y[\\]]+([[\\]]{3!})*$"), S("x-y[-][]") },
247 { 0, 9, 0, 0, 0,
248   NULL, S("x-y[-][]x") },
249 { 2, 8, 0, 1, 0,
250   S("<(/{1!})?[^>]+>"), S("  <html></html> ") },
251 { 2, 9, 1, 1, 0,
252   NULL, S("  </html><html> ") },
253 { 2, 9, 0, 1, 0,
254   S("[A-Z0-9a-z]+"), S("[(Iden9aA)]") },
255 { 1, 4, 0, 1, 0,
256   S("[^x-y]+[a-c_]{2,3}"), S("x_a_y") },
257 { 4, 11, 0, 0, 0,
258   NULL, S("ssaymmaa_ccl") },
259 { 3, 6, 0, 1, REGEX_NEWLINE,
260   S(".a[^k]"), S("\na\nxa\ns") },
261 { 0, 2, 0, 1, REGEX_NEWLINE,
262   S("^a+"), S("aa\n") },
263 { 1, 4, 0, 1, 0 /* =REGEX_NEWLINE */,
264   NULL, S("\naaa\n") },
265 { 2, 3, 0, 1, 0 /* =REGEX_NEWLINE */,
266   NULL, S("\n\na\n") },
267 { 0, 2, 0, 1, REGEX_NEWLINE,
268   S("a+$"), S("aa\n") },
269 { 0, 3, 0, 0, 0 /* =REGEX_NEWLINE */,
270   NULL, S("aaa") },
271 { 2, 4, 1, 1, REGEX_NEWLINE,
272   S("^a(a{1!})*$"), S("\n\naa\n\n") },
273 { 0, 1, 0, 0, 0 /* REGEX_NEWLINE */,
274   NULL, S("a") },
275 { -1, 0, 0, -1, 0 /* REGEX_NEWLINE */,
276   NULL, S("ab\nba") },
277 { -1, 0, 0, 0, 0,
278   NULL, NULL }
279 };
280 
281 int main(int argc, char* argv[])
282 {
283 /*	verbose_test("a((b)((c|d))|)c|"); */
284 /*	verbose_test("Xa{009,0010}Xb{,7}Xc{5,}Xd{,}Xe{1,}Xf{,1}X"); */
285 /*	verbose_test("{3!}({3})({0!}){,"); */
286 /*	verbose_test("(s(ab){2,4}t){2,}*S(a*(b)(c()|)d+){3,4}{0,0}*M"); */
287 /*	verbose_test("^a({2!})*b+(a|{1!}b)+d$"); */
288 /*	verbose_test("((a|b|c)*(xy)+)+", "asbcxyxy"); */
289 
290 	run_tests(tests);
291 	return 0;
292 }
293 
294