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Diffstat (limited to 'tests/vartrailing.rules')
| -rw-r--r-- | tests/vartrailing.rules | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/tests/vartrailing.rules b/tests/vartrailing.rules new file mode 100644 index 0000000..4d4a37f --- /dev/null +++ b/tests/vartrailing.rules @@ -0,0 +1,57 @@ +/* + * 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. + */ + +/* The goal here is to test the yylineno in the context of trailing-contexts. + * Using rules that have newlines in look-ahead. + */ + +%option 8bit +%option nounput nomain noyywrap noinput yylineno +%option warn + +WORD [[:alpha:]]+ + +%% +"Fixed_trailing:"/[\n]"test"[\n] {} +"Var_trailing:"{WORD}/[\n] {} +"Var_prefix_and_trailing:"{WORD}":"/(\n{WORD})* {} +\n {} +. {} +<<EOF>> {M4_TEST_ASSERT(yylineno==16) M4_TEST_DO(yyterminate())} + +### +We are testing rules with trailing contexts containing newlines (see scanner.l): + +Fixed_trailing: +test + +Var_trailing:word +test + +Var_prefix_and_trailing:word: +more +text +comes +here + + |