| /* |
| * 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; |
| } |