public void SetStep(AstExpressionOperand operand)
{
if (!TrySetStep(operand))
{
throw new InternalErrorException("Step Expression Operand is already set or null.");
}
}
public bool Add(AstExpressionOperand op)
{
if (_rhs is null)
{
op.SetParent(this);
_rhs = op;
return(true);
}
if (_lhs is null &&
!IsOperator(AstExpressionOperator.MaskUnary))
{
op.SetParent(this);
_lhs = op;
return(true);
}
return(false);
}
public bool TrySetStep(AstExpressionOperand operand) => this.SafeSetParent(ref _step, operand);
public bool TrySetEnd(AstExpressionOperand operand) => base.TrySetRHS(operand);
public bool TrySetBegin(AstExpressionOperand operand) => base.TrySetLHS(operand);
public AstExpression(AstExpressionOperand operand)
: base(AstNodeKind.Expression)
{
TrySetRHS(operand);
}
protected bool TrySetRHS(AstExpressionOperand operand) => this.SafeSetParent(ref _rhs, operand);
