public bool Set(string name, Expression expr, bool is_const = false)
{
if (!consts.Contains(name)) {
locals[name] = expr;
if (is_const) {
consts.Add(name);
return true;
}
return true;
}
return false;
}
public AssignmentExpression(string name, Expression expr)
{
this.name = name;
this.expr = expr;
}
public OperatorExpression(char op, Expression a, Expression b)
{
this.op = op;
this.a = a;
this.b = b;
}
public ReturnValue calculate(Expression expr)
{
return expr.Value(binding);
}