| 1 | /*
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| 2 | * This file is part of flex.
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| 3 | *
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| 4 | * Redistribution and use in source and binary forms, with or without
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| 5 | * modification, are permitted provided that the following conditions
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| 6 | * are met:
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| 7 | *
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| 8 | * 1. Redistributions of source code must retain the above copyright
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| 9 | * notice, this list of conditions and the following disclaimer.
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer in the
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| 12 | * documentation and/or other materials provided with the distribution.
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| 13 | *
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| 14 | * Neither the name of the University nor the names of its contributors
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| 15 | * may be used to endorse or promote products derived from this software
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| 16 | * without specific prior written permission.
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| 17 | *
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| 18 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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| 19 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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| 20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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| 21 | * PURPOSE.
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| 22 | */
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| 23 |
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| 24 | %{
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| 25 | /* A template scanner file to build "scanner.c". */
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| 26 | #include <stdio.h>
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| 27 | #include <stdlib.h>
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| 28 | #include "config.h"
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| 29 |
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| 30 | #define NUMBER 200
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| 31 | #define WORD 201
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| 32 |
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| 33 | %}
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| 34 |
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| 35 | %option 8bit outfile="scanner.c" prefix="test"
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| 36 | %option nounput nomain nodefault noyywrap
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| 37 | %option warn
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| 38 |
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| 39 |
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| 40 | %%
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| 41 |
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| 42 | [[:space:]]+ { }
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| 43 | [[:digit:]]+ { printf("NUMBER "); fflush(stdout);}
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| 44 | [[:alpha:]]+ { printf("WORD "); fflush(stdout);}
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| 45 | . {
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| 46 | fprintf(stderr,"*** Error: Unrecognized character '%c' while scanning.\n",
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| 47 | yytext[0]);
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| 48 | yyterminate();
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| 49 | }
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| 50 |
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| 51 | <<EOF>> { printf("<<EOF>>\n"); yyterminate();}
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| 52 |
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| 53 | %%
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| 54 |
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| 55 |
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| 56 | #define INPUT_STRING_1 "1234 foo bar"
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| 57 | #define INPUT_STRING_2 "1234 foo bar *@&@&###@^$#&#*"
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| 58 |
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| 59 | int main(void);
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| 60 |
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| 61 | int
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| 62 | main ()
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| 63 | {
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| 64 | char * buf;
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| 65 | int len;
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| 66 | YY_BUFFER_STATE state;
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| 67 |
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| 68 |
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| 69 | /* Scan a good string. */
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| 70 | printf("Testing: yy_scan_string(%s): ",INPUT_STRING_1); fflush(stdout);
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| 71 | state = yy_scan_string ( INPUT_STRING_1 );
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| 72 | yylex();
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| 73 | yy_delete_buffer(state);
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| 74 |
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| 75 | /* Scan only the first 12 chars of a string. */
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| 76 | printf("Testing: yy_scan_bytes(%s): ",INPUT_STRING_2); fflush(stdout);
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| 77 | state = yy_scan_bytes ( INPUT_STRING_2, 12 );
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| 78 | yylex();
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| 79 | yy_delete_buffer(state);
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| 80 |
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| 81 | /* Scan directly from a buffer.
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| 82 | We make a copy, since the buffer will be modified by flex.*/
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| 83 | printf("Testing: yy_scan_buffer(%s): ",INPUT_STRING_1); fflush(stdout);
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| 84 | len = strlen(INPUT_STRING_1) + 2;
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| 85 | buf = (char*)malloc( len );
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| 86 | strcpy( buf, INPUT_STRING_1);
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| 87 | buf[ len -2 ] = 0; /* Flex requires two NUL bytes at end of buffer. */
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| 88 | buf[ len -1 ] =0;
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| 89 |
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| 90 | state = yy_scan_buffer( buf, len );
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| 91 | yylex();
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| 92 | yy_delete_buffer(state);
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| 93 |
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| 94 | printf("TEST RETURNING OK.\n");
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| 95 | return 0;
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| 96 | }
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