private Expr ParseLeftAssociativeBinaryOperation(
Func <Expr> higherPrecedence,
params TokenType[] tokenTypes)
{
var expr = higherPrecedence();
while (Match(tokenTypes))
{
var op = Previous();
var right = higherPrecedence();
expr = new Expr.Binary(expr, op, right);
}
return(expr);
}
public string VisitBinaryExpr(Expr.Binary expr)
{
return(Parenthesize(expr.Operator.Lexeme, expr.Left, expr.Right));
}
public object VisitBinaryExpr(Expr.Binary expr)
{
Resolve(expr.Left);
Resolve(expr.Right);
return(null);
}