Commit 68d65493 authored by Bob Halley's avatar Bob Halley
Browse files

add lex_test

parent d22c1a18
......@@ -4,5 +4,6 @@ rwlock_test
mem_test
sock_test
sym_test
lex_test
task_test
timer_test
......@@ -18,6 +18,7 @@ TARGETS = name_test \
rwlock_test \
sock_test \
sym_test \
lex_test \
task_test \
timer_test
......@@ -35,6 +36,9 @@ sock_test: sock_test.o ../../lib/isc/libisc.a ../../lib/dns/libdns.a
sym_test: sym_test.o ../../lib/isc/libisc.a
${CC} -o $@ sym_test.o ${LIBS}
lex_test: lex_test.o ../../lib/isc/libisc.a
${CC} -o $@ lex_test.o ${LIBS}
task_test: task_test.o ../../lib/isc/libisc.a ../../lib/dns/libdns.a
${CC} -o $@ task_test.o ${LIBS}
......
/*
* Copyright (C) 1998 Internet Software Consortium.
*
* Permission to use, copy, modify, and 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 INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM 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.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <isc/assertions.h>
#include <isc/lex.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 %.*s",
(int)tokenp->value.as_region.length,
tokenp->value.as_region.base);
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;
default:
INSIST(0);
}
}
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;
unsigned int parens = 0;
while ((c = getopt(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;
}
}
INSIST(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);
INSIST(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_EOL |
ISC_LEXOPT_EOF |
ISC_LEXOPT_INITIALWS |
ISC_LEXOPT_QSTRING;
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_lex_setcomments(lex, (ISC_LEXCOMMENT_C|
ISC_LEXCOMMENT_CPLUSPLUS|
ISC_LEXCOMMENT_SHELL));
}
INSIST(isc_lex_openstream(lex, stdin) == ISC_R_SUCCESS);
while ((result = isc_lex_gettoken(lex, options, &token)) ==
ISC_R_SUCCESS) {
if (masterfile && token.type == isc_tokentype_special) {
if (token.value.as_char == '(') {
parens++;
options &= ~ISC_LEXOPT_EOL;
options &= ~ISC_LEXOPT_INITIALWS;
} else if (token.value.as_char == ')') {
if (parens == 0) {
printf("mismatched parens\n");
exit(1);
}
parens--;
if (parens == 0) {
options |= ISC_LEXOPT_EOL;
options |= ISC_LEXOPT_INITIALWS;
}
}
}
if (!quiet) {
print_token(&token, stdout);
printf("\n");
}
}
if (result != ISC_R_EOF)
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);
}
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