%{
%}
DIGIT [0-9]
ID [a-zA-Z_0-9]*
KEYWORD and|break|do|else|elseif|end|false|for|function|goto|if|in|local|nil|not|or|repeat|return|then|true|until|while
OPERATOR "+"|"-"|"*"|"/"|"%"|"^"|"#"|"=="|"~="|"<="|">="|"<"|">"|"="|"("|")"|"{"|"}"|"["|"]"|"::"|";"|":"|","|"."|".."|"..."|"<<"|">>"|"&"|"|"|"//"|"~"|"'"|"--"|"?"|"\""|"\\n"
%%
{DIGIT}+ {
printf("%s", yytext);
}
{KEYWORD} printf("%s", yytext);
(".") printf("%s", yytext);
{ID} printf("%s", yytext);
(--.) printf("", yytext);
{OPERATOR} printf("%s", yytext);
[ \t\n]+ printf("%s", yytext);
. printf( "Unrecognized character: %s\n", yytext );
%%
int yywrap()
{
return 1;
}
int main(int argc, const char* argv[])
{
if ( argc > 0 )
yyin = fopen( "markov_chain.lua", "r" );
else
yyin = stdin;
puts(
""
""
""
" markov_chain.lua"
" "
""
""
" "
);
yylex();
puts("");
return 0;
}