protected internal override Node VisitVariableSqlExpression(VariableSqlExpression node)
{
node = this.ValidateChildren(node);
var variableType = this.Scope.GetVariableType(node.Name);
if (variableType == null)
{
this.AddError(node, $"Undeclared variable '{node.Name}'.");
}
this.Data.SetType(node, variableType);
this.Data.SetScope(node, NodeScope.Constant);
return(node);
}
/// <summary>
/// Visits a <see cref="VariableSqlExpression"/>.
/// </summary>
/// <param name="node">
/// The node.
/// </param>
/// <returns>
/// The node, or a new version of the node.
/// </returns>
protected internal virtual Node VisitVariableSqlExpression([NotNull] VariableSqlExpression node)
{
return(node.VisitChildren(this));
}
protected internal override Node VisitVariableSqlExpression([NotNull] VariableSqlExpression node)
{
this.Builder.Append(node.Name);
return(node);
}
/// <summary>
/// Visits a <see cref="VariableSqlExpression"/>.
/// </summary>
/// <param name="node">
/// The node.
/// </param>
/// <returns>
/// The node, or a new version of the node.
/// </returns>
protected internal override Node VisitVariableSqlExpression(VariableSqlExpression node)
{
return(this.CheckForGroups(node, n => base.VisitVariableSqlExpression(n)));
}
/// <summary>
/// Visits a <see cref="VariableSqlExpression"/>.
/// </summary>
/// <param name="node">
/// The node.
/// </param>
/// <returns>
/// The node, or a new version of the node.
/// </returns>
protected internal override Node VisitVariableSqlExpression(VariableSqlExpression node)
{
return(this.VisitImplementation(node) ?? base.VisitVariableSqlExpression(node));
}
