/// <summary>
/// Gets a value indicating whether the <paramref name="token"/> is last in line.
/// </summary>
/// <param name="token">The token to process.</param>
/// <returns>true if token is last in line, otherwise false.</returns>
internal static bool IsLastInLine(this SyntaxToken token)
{
var fullLineSpan = token.SyntaxTree.GetLineSpan(token.FullSpan);
if (token.SyntaxTree == null || fullLineSpan.EndLinePosition.Character == 0)
{
return(true);
}
var tokenLineSpan = token.SyntaxTree.GetLineSpan(token.Span);
if (tokenLineSpan.EndLinePosition.Line != fullLineSpan.EndLinePosition.Line ||
token.SyntaxTree.Length == token.FullSpan.End)
{
return(true);
}
// Use the slow path because we cant be sure if a multi line trivia is following this
// token.
var nextToken = token.GetNextToken();
return(nextToken.IsKind(SyntaxKind.None) || token.GetEndLine() < nextToken.GetLine());
}
/// <summary>
/// Gets a value indicating whether the <paramref name="token"/> is last in line.
/// </summary>
/// <param name="token">The token to process.</param>
/// <returns>true if token is last in line, otherwise false.</returns>
internal static bool IsLastInLine(this SyntaxToken token)
{
SyntaxToken nextToken = token.GetNextToken();
return(nextToken.IsKind(SyntaxKind.None) || token.GetEndLine() < nextToken.GetLine());
}
/// <summary>
/// Gets a value indicating whether the <paramref name="token"/> is first in line.
/// </summary>
/// <param name="token">The token to process.</param>
/// <returns>true if token is first in line, otherwise false.</returns>
internal static bool IsFirstInLine(this SyntaxToken token)
{
SyntaxToken previousToken = token.GetPreviousToken();
return(previousToken.IsKind(SyntaxKind.None) || previousToken.GetEndLine() < token.GetLine());
}
