/// <summary>
/// Finds the last token in the element's declaration.
/// </summary>
/// <returns>Returns the last token or null.</returns>
private Token FindLastDeclarationToken()
{
CodeUnit previousToken = this.FirstDeclarationToken;
for (CodeUnit item = previousToken; item != null; item = item.FindNextDescendentOf(this))
{
if (item.Is(CodeUnitType.Attribute))
{
// Move to the end of the attribute.
item = item.FindLastDescendent();
}
else
{
// These types indicate that we've gone past the end of the declaration.
if (item.Is(TokenType.OpenCurlyBracket) ||
item.Is(TokenType.Semicolon) ||
item.Is(OperatorType.Equals))
{
break;
}
// If we find an opening parenthesis, square bracket, etc., jump to its corresponding closing bracket.
if (item.Is(TokenType.OpenParenthesis) ||
item.Is(TokenType.OpenGenericBracket) ||
item.Is(TokenType.OpenSquareBracket))
{
item = ((OpenBracketToken)item).MatchingBracket;
}
if (item.Is(LexicalElementType.Token))
{
previousToken = item;
}
}
}
if (previousToken != null)
{
while (previousToken.Parent != null && previousToken.Parent.Is(LexicalElementType.Token))
{
previousToken = previousToken.Parent;
}
}
return((Token)previousToken);
}
/// <summary>
/// Finds the first token in the element's declaration.
/// </summary>
/// <returns>Returns the first token or null.</returns>
private Token FindFirstDeclarationToken()
{
for (CodeUnit item = this.FindFirstDescendent(); item != null; item = item.FindNextDescendentOf(this))
{
if (item.Is(CodeUnitType.Attribute))
{
// Move to the end of the attribute.
item = item.FindLastDescendent();
}
else if (item.Is(LexicalElementType.Token))
{
return((Token)item);
}
}
return(null);
}
