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Diffstat (limited to 'tests/yyless.rules')
-rw-r--r-- | tests/yyless.rules | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/tests/yyless.rules b/tests/yyless.rules new file mode 100644 index 0000000..8d02d16 --- /dev/null +++ b/tests/yyless.rules @@ -0,0 +1,40 @@ +/* + * 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. + */ + /* + * Test yyless. What should haooen is: + * 1. "foobar" is matched by the first rule. + * 2. "bar" is pushed back by yyless(3) + * 3. "bar" is matched by the second rule + * 4. Trailing \n is matched and discareded + * 5. Final rule is never reached. + */ + +%option nounput noyywrap noyylineno warn nodefault noinput +%% +foobar {M4_TEST_DO(yyless(3))} +bar ; +\n ; +. {M4_TEST_FAILMESSAGE} + +### +foobar |