static IListSource <Token> Lex(string str)
{
var b = new CalculatorLexer(str).Buffered();
var _ = b.Count; // force immediate lexing
return(b);
}
static IListSource <Token> Lex(string str)
{
var b = new CalculatorLexer(str).Buffered();
var _ = b.Count;
return(b);
}
public static double Calculate(string input)
{
var lexer = new CalculatorLexer(input);
Token EOF = new Token((int)TT.EOF, input.Length, 0);
var parser = new Calculator {
Src = new ParserSource <Token>(lexer, EOF, lexer.SourceFile)
};
return(parser.Expr());
}