private IExpression ParseInfixExpression(IExpression left)
{
var expression = new InfixExpression(_current)
{
Operator = _current.Literal,
Left = left,
};
var precedence = CurrentPrecedence();
NextToken();
expression.Right = ParseExpression(precedence);
return(expression);
}
public IExpression ParseInfixExpression(IExpression left)
{
var expression = new InfixExpression()
{
Token = this.CurrentToken,
Operator = this.CurrentToken.Literal,
Left = left,
};
var precedence = this.CurrentPrecedence;
this.ReadToken();
expression.Right = this.ParseExpression(precedence);
return(expression);
}
private InfixExpression AssignmentOperatorInfixExpression(Identifier left)
{
NextToken();
var op = _current.Literal[0].ToString();
var infix = new InfixExpression(_current)
{
Left = left,
Operator = op
};
NextToken();
infix.Right = ParseExpression(Lowest);
return(infix);
}
