%{#include <stdio.h>int lines= 0, words= 0, chars= 0;%} start = (line | word | char) line = < (( '\n' '\r'* ) | ( '\r' '\n'* )) > { lines++; chars += yyleng; }word = < [a-zA-Z]+ > { words++; chars += yyleng; printf("<%s>\n", yytext); }char = . { chars++; } %% int main(){ while (yyparse()) ; printf("%d lines\n", lines); printf("%d chars\n", chars); printf("%d words\n", words); return 0;}
%{
#include <stdio.h>
int lines= 0, words= 0, chars= 0;
%}
start = (line | word | char)
line = < (( '\n' '\r'* ) | ( '\r' '\n'* )) > { lines++; chars += yyleng; }
word = < [a-zA-Z]+ > { words++; chars += yyleng; printf("<%s>\n", yytext); }
char = . { chars++; }
%%
int main()
{
while (yyparse())
;
printf("%d lines\n", lines);
printf("%d chars\n", chars);
printf("%d words\n", words);
return 0;
}