/// <summary>
/// Initializes the contents of the class.
/// </summary>
private void Initialize()
{
// Find the 'let' keyword.
LetToken let = this.FindFirstChild <LetToken>();
if (let == null)
{
throw new SyntaxException(this.Document, this.LineNumber);
}
Token type = let.FindNextSiblingToken();
if (type == null)
{
throw new SyntaxException(this.Document, this.LineNumber);
}
this.rangeVariable.Value = ExtractQueryVariable(type, true, true);
EqualsOperator equals = type.FindNextSibling <EqualsOperator>();
if (equals == null)
{
throw new SyntaxException(this.Document, this.LineNumber);
}
this.expression.Value = equals.FindNextSiblingExpression();
if (this.expression.Value == null)
{
throw new SyntaxException(this.Document, this.LineNumber);
}
}
/// <summary>
/// Initializes the contents of the expression.
/// </summary>
private void Initialize()
{
this.identifier.Value = this.FindFirstChild <LiteralExpression>();
if (this.identifier.Value == null)
{
throw new SyntaxException(this.Document, this.LineNumber);
}
EqualsOperator equals = this.identifier.Value.FindNextSibling <EqualsOperator>();
if (equals == null)
{
this.initializer.Value = null;
}
else
{
this.initializer.Value = equals.FindNextSiblingExpression();
if (this.initializer.Value == null)
{
throw new SyntaxException(this.Document, this.LineNumber);
}
}
}