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42 lines
1.4 KiB
Plaintext
42 lines
1.4 KiB
Plaintext
/*
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* This file is part of flex.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE.
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*/
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/* The goal of this test is to verify that we are getting the counter-intuitive
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* POSIX behavior of the repeat operator `{}' when posix-compat is on.
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*
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* ab{3} - In traditional flex, this matches "abbb".
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* In posix, this matches "ababab".
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* The input file should contain just the second string.
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*/
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%option nounput nomain noyywrap noinput
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%option warn posix-compat
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%%
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ab{3} { }
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\n { }
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. {M4_TEST_FAILMESSAGE}
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###
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ababab
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