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41 lines
1.3 KiB
Plaintext
41 lines
1.3 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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/*
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* Test yyless. What should happen is:
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* 1. "foobar" is matched by the first rule.
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* 2. "bar" is pushed back by yyless(3)
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* 3. "bar" is matched by the second rule
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* 4. Trailing \n is matched and discareded
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* 5. Final rule is never reached.
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*/
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%option nounput noyywrap noyylineno warn nodefault noinput
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%%
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foobar {M4_TEST_DO(yyless(3))}
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bar ;
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\n ;
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. {M4_TEST_FAILMESSAGE}
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###
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foobar
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