| 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 | #include <stdio.h>
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| 26 | #include <stdlib.h>
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| 27 | #include "config.h"
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| 28 |
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| 29 | %}
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| 30 |
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| 31 | %option 8bit prefix="test"
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| 32 | %option nounput nomain noyywrap
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| 33 | %option warn reject
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| 34 |
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| 35 |
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| 36 | %%
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| 37 |
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| 38 | . { REJECT; }
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| 39 | .|\n ;
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| 40 |
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| 41 | %%
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| 42 |
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| 43 | int main ( int argc, char** argv )
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| 44 | {
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| 45 | FILE* fp = NULL;
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| 46 | void *yyscanner=0;
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| 47 | M4_YY_DECL_GUTS_VAR();
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| 48 |
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| 49 | m4_ifdef( [[M4_YY_REENTRANT]],
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| 50 | [[
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| 51 | yylex_init(&yyscanner);
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| 52 | ]])
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| 53 |
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| 54 | m4_ifdef( [[M4_YY_TABLES_EXTERNAL]],
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| 55 | [[
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| 56 | if((fp = fopen(argv[1],"r"))== NULL)
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| 57 | yy_fatal_error("could not open tables file for reading" M4_YY_CALL_LAST_ARG);
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| 58 |
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| 59 | if(yytables_fload(fp M4_YY_CALL_LAST_ARG) < 0)
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| 60 | yy_fatal_error("yytables_fload returned < 0" M4_YY_CALL_LAST_ARG);
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| 61 | if(M4_YY_TABLES_VERIFY)
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| 62 | exit(0);
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| 63 | ]])
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| 64 |
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| 65 | if(argc > 2){
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| 66 | if((fp = fopen(argv[2],"r"))== NULL)
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| 67 | yy_fatal_error("could not open input file for reading" M4_YY_CALL_LAST_ARG);
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| 68 | yyin = fp;
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| 69 | }
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| 70 | while(yylex(M4_YY_CALL_ONLY_ARG) != 0)
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| 71 | ;
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| 72 |
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| 73 | m4_ifdef( [[M4_YY_TABLES_EXTERNAL]],
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| 74 | [[
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| 75 | yytables_destroy(M4_YY_CALL_ONLY_ARG);
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| 76 | ]])
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| 77 | yylex_destroy(M4_YY_CALL_ONLY_ARG);
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| 78 |
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| 79 | if(argc < 0) /* silence the compiler */
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| 80 | yyscanner = (void*)fp;
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| 81 |
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| 82 | return 0;
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| 83 | }
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