98 lines
2.3 KiB
Plaintext
98 lines
2.3 KiB
Plaintext
/*
|
|
* This file is part of flex.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE.
|
|
*/
|
|
|
|
%{
|
|
/* A template scanner file to build "scanner.c". */
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
%}
|
|
|
|
%option 8bit prefix="test"
|
|
%option nounput nomain noyywrap noinput reentrant
|
|
%option warn stack never-interactive
|
|
%x STATE_1
|
|
|
|
%%
|
|
|
|
<INITIAL>{
|
|
0 yy_push_state (STATE_1, yyscanner);
|
|
.|\n return 1;
|
|
}
|
|
<STATE_1>{
|
|
1 yy_pop_state(yyscanner);
|
|
.|\n return yy_top_state(yyscanner) + 1;
|
|
}
|
|
|
|
%%
|
|
|
|
int
|
|
main (int argc, char* const argv[])
|
|
{
|
|
FILE* fp;
|
|
int i;
|
|
yyscan_t yyscanner;
|
|
|
|
(void)argc;
|
|
|
|
if ((fp = fopen(argv[1],"r")) == NULL){
|
|
perror("Failed to open input file.");
|
|
return 1;
|
|
}
|
|
|
|
printf("Test 1: Reusing same scanner.\n");
|
|
testlex_init( &yyscanner );
|
|
testset_out ( stdout, yyscanner);
|
|
|
|
for (i=0; i < 4; ++i){
|
|
|
|
rewind(fp);
|
|
testset_in ( fp, yyscanner);
|
|
|
|
while( testlex(yyscanner) )
|
|
;
|
|
}
|
|
testlex_destroy( yyscanner );
|
|
printf("Test 1 OK\n\n");
|
|
|
|
printf("Test 2: Rescanning with new scanner each time.\n");
|
|
|
|
memset(&yyscanner,0,sizeof(yyscanner)); // Just to be clean about it.
|
|
|
|
for (i=0; i < 4; ++i){
|
|
yyscan_t s;
|
|
testlex_init( &s );
|
|
testset_out ( stdout, s);
|
|
rewind(fp);
|
|
testset_in ( fp, s);
|
|
|
|
while( testlex(s) )
|
|
;
|
|
testlex_destroy( s );
|
|
}
|
|
printf("Test 2 OK\n\n");
|
|
|
|
|
|
printf("TEST RETURNING OK.\n");
|
|
return 0;
|
|
}
|