private static bool CanRemovePragmaTrivia(
SyntaxToken token,
Diagnostic diagnostic,
AbstractSuppressionCodeFixProvider fixer,
bool isStartToken,
out int indexOfTriviaToRemove
)
{
indexOfTriviaToRemove = -1;
var triviaList = GetTriviaListForSuppression(token, isStartToken, fixer);
var diagnosticSpan = diagnostic.Location.SourceSpan;
bool shouldIncludeTrivia(SyntaxTrivia t) =>
isStartToken
? t.FullSpan.End <= diagnosticSpan.Start
: t.FullSpan.Start >= diagnosticSpan.End;
var filteredTriviaList = triviaList.Where(shouldIncludeTrivia);
if (isStartToken)
{
// Walk bottom up for leading trivia.
filteredTriviaList = filteredTriviaList.Reverse();
}
foreach (var trivia in filteredTriviaList)
{
if (
fixer.IsAnyPragmaDirectiveForId(
trivia,
diagnostic.Id,
out var isEnableDirective,
out var hasMultipleIds
)
)
{
if (hasMultipleIds)
{
// Handle only simple cases where we have a single pragma directive with single ID matching ours in the trivia.
return(false);
}
// We want to look for leading disable directive and trailing enable directive.
if (
(isStartToken && !isEnableDirective) ||
(!isStartToken && isEnableDirective)
)
{
indexOfTriviaToRemove = triviaList.IndexOf(trivia);
return(true);
}
return(false);
}
}
return(false);
}
private static bool CanRemovePragmaTrivia(SyntaxToken token, Diagnostic diagnostic, AbstractSuppressionCodeFixProvider fixer, bool isStartToken, out int indexOfTriviaToRemove)
{
indexOfTriviaToRemove = -1;
var triviaList = GetTriviaListForSuppression(token, isStartToken, fixer);
var diagnosticSpan = diagnostic.Location.SourceSpan;
Func<SyntaxTrivia, bool> shouldIncludeTrivia = t => isStartToken ? t.FullSpan.End <= diagnosticSpan.Start : t.FullSpan.Start >= diagnosticSpan.End;
var filteredTriviaList = triviaList.Where(shouldIncludeTrivia);
if (isStartToken)
{
// Walk bottom up for leading trivia.
filteredTriviaList = filteredTriviaList.Reverse();
}
foreach (var trivia in filteredTriviaList)
{
bool isEnableDirective, hasMultipleIds;
if (fixer.IsAnyPragmaDirectiveForId(trivia, diagnostic.Id, out isEnableDirective, out hasMultipleIds))
{
if (hasMultipleIds)
{
// Handle only simple cases where we have a single pragma directive with single ID matching ours in the trivia.
return false;
}
// We want to look for leading disable directive and trailing enable directive.
if ((isStartToken && !isEnableDirective) ||
(!isStartToken && isEnableDirective))
{
indexOfTriviaToRemove = triviaList.IndexOf(trivia);
return true;
}
return false;
}
}
return false;
}
