summaryrefslogtreecommitdiffstats
path: root/bin/tests/lex_test.c
blob: 8eba5360297f91596c3f08bb377bbf7e552074e1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
/*
 * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
 * Copyright (C) 1998-2001  Internet Software Consortium.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

/* $Id: lex_test.c,v 1.23 2007/06/19 23:46:59 tbox Exp $ */

/*! \file */
#include <config.h>

#include <isc/commandline.h>
#include <isc/lex.h>
#include <isc/mem.h>
#include <isc/util.h>

isc_mem_t *mctx;
isc_lex_t *lex;

isc_lexspecials_t specials;

static void
print_token(isc_token_t *tokenp, FILE *stream) {
	switch (tokenp->type) {
	case isc_tokentype_unknown:
		fprintf(stream, "UNKNOWN");
		break;
	case isc_tokentype_string:
		fprintf(stream, "STRING %.*s",
			(int)tokenp->value.as_region.length,
			tokenp->value.as_region.base);
		break;
	case isc_tokentype_number:
		fprintf(stream, "NUMBER %lu", tokenp->value.as_ulong);
		break;
	case isc_tokentype_qstring:
		fprintf(stream, "QSTRING \"%.*s\"",
			(int)tokenp->value.as_region.length,
			tokenp->value.as_region.base);
		break;
	case isc_tokentype_eol:
		fprintf(stream, "EOL");
		break;
	case isc_tokentype_eof:
		fprintf(stream, "EOF");
		break;
	case isc_tokentype_initialws:
		fprintf(stream, "INITIALWS");
		break;
	case isc_tokentype_special:
		fprintf(stream, "SPECIAL %c", tokenp->value.as_char);
		break;
	case isc_tokentype_nomore:
		fprintf(stream, "NOMORE");
		break;
	default:
		FATAL_ERROR(__FILE__, __LINE__, "Unexpected type %d",
			    tokenp->type);
	}
}

int
main(int argc, char *argv[]) {
	isc_token_t token;
	isc_result_t result;
	int quiet = 0;
	int c;
	int masterfile = 1;
	int stats = 0;
	unsigned int options = 0;
	int done = 0;

	while ((c = isc_commandline_parse(argc, argv, "qmcs")) != -1) {
		switch (c) {
		case 'q':
			quiet = 1;
			break;
		case 'm':
			masterfile = 1;
			break;
		case 'c':
			masterfile = 0;
			break;
		case 's':
			stats = 1;
			break;
		}
	}

	RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);
	RUNTIME_CHECK(isc_lex_create(mctx, 256, &lex) == ISC_R_SUCCESS);

	if (masterfile) {
		/* Set up to lex DNS master file. */

		specials['('] = 1;
		specials[')'] = 1;
		specials['"'] = 1;
		isc_lex_setspecials(lex, specials);
		options = ISC_LEXOPT_DNSMULTILINE | ISC_LEXOPT_ESCAPE |
			ISC_LEXOPT_EOF |
			ISC_LEXOPT_QSTRING | ISC_LEXOPT_NOMORE;
		isc_lex_setcomments(lex, ISC_LEXCOMMENT_DNSMASTERFILE);
	} else {
		/* Set up to lex DNS config file. */

		specials['{'] = 1;
		specials['}'] = 1;
		specials[';'] = 1;
		specials['/'] = 1;
		specials['"'] = 1;
		specials['!'] = 1;
		specials['*'] = 1;
		isc_lex_setspecials(lex, specials);
		options = ISC_LEXOPT_EOF |
			ISC_LEXOPT_QSTRING |
			ISC_LEXOPT_NUMBER | ISC_LEXOPT_NOMORE;
		isc_lex_setcomments(lex, (ISC_LEXCOMMENT_C|
					  ISC_LEXCOMMENT_CPLUSPLUS|
					  ISC_LEXCOMMENT_SHELL));
	}

	RUNTIME_CHECK(isc_lex_openstream(lex, stdin) == ISC_R_SUCCESS);

	while ((result = isc_lex_gettoken(lex, options, &token)) ==
	       ISC_R_SUCCESS && !done) {
		if (!quiet) {
			char *name = isc_lex_getsourcename(lex);
			print_token(&token, stdout);
			printf(" line = %lu file = %s\n",
				isc_lex_getsourceline(lex),
				(name == NULL) ? "<none>" : name);
		}
		if (token.type == isc_tokentype_eof)
			isc_lex_close(lex);
		if (token.type == isc_tokentype_nomore)
			done = 1;
	}
	if (result != ISC_R_SUCCESS)
		printf("Result: %s\n", isc_result_totext(result));

	isc_lex_close(lex);
	isc_lex_destroy(&lex);
	if (!quiet && stats)
		isc_mem_stats(mctx, stdout);
	isc_mem_destroy(&mctx);

	return (0);
}