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Diffstat (limited to 'tests/lineno_nr.l')
-rw-r--r-- | tests/lineno_nr.l | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/tests/lineno_nr.l b/tests/lineno_nr.l deleted file mode 100644 index dbe6b2d..0000000 --- a/tests/lineno_nr.l +++ /dev/null @@ -1,94 +0,0 @@ -/* - * 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. - */ - -%{ -/* A template scanner file to build "scanner.c". - Run as: - test-lineno-nr # report flex's yylineno - test-lineno-nr 1 # report count_newlines(stdin) -*/ - -#include <stdio.h> -#include <stdlib.h> -#include "config.h" - -%} - -%option 8bit prefix="test" -%option nounput nomain noyywrap noinput yylineno -%option warn - -WORD [[:alpha:]]+ -DIGIT [[:digit:]] - -%% - /* The goal here is to test the yylineno processing by: - - providing some rules than CAN match newlines and - other rules that can NOT match newlines, - - matching several newlines in one rule, - - directly modifying yylineno. - */ - -"yylineno++" yylineno++; -"yylineno--" yylineno--; -[[:blank:]]+ -{WORD} -{DIGIT}+(\n{DIGIT}+)* -\n -. -<<EOF>> { printf("%d\n", yylineno); - yyterminate(); - } - -%% - -/* returns number of '\n' characters in input, plus one. - This is what flex does, essentially. */ - -static int -count_newlines (FILE* in) -{ - int n=1,c; - while ((c=fgetc(in)) != EOF) - if( c == '\n') - n++; - return n; -} - -int main ( int, char**); - -int -main ( int argc, char **argv ) -{ - (void)argv; - - if( argc > 1 ) - printf("%d\n", count_newlines(stdin)); - - else{ - yyin = stdin; - yyout = stdout; - yylex(); - } - return 0; -} |