var lexer = require("./sum.js").sum;
lexer.setInput("10+12+1");


function my_sum ()
{
	var sum = 0;
	var i;

	for (i = 0; i < tokens.length; i++)
		if (tokens[i][0] == 'NUMBER')
			sum = sum + tokens[i][1];

	console.log("Sum = " + sum);
}


var token;
var tokens = [];
do
{
	token = lexer.lex();
	if (token != 'SPACE' && token != lexer.EOF)
		tokens.push([token, parseInt(lexer.yytext)]);
}
while (token != lexer.EOF);

my_sum();