private LineColumn FormatTrivia <T>(Formatter <T> formatter, WhitespaceAppender <T> whitespaceAdder, List <T> changes, CancellationToken cancellationToken)
{
var lineColumn = this.InitialLineColumn;
var existingWhitespaceDelta = LineColumnDelta.Default;
var previousWhitespaceTrivia = default(SyntaxTrivia);
var previousTrivia = default(SyntaxTrivia);
var implicitLineBreak = false;
var list = new TriviaList(this.Token1.TrailingTrivia, this.Token2.LeadingTrivia);
foreach (var trivia in list)
{
if (trivia.RawKind == 0)
{
continue;
}
if (IsWhitespaceOrEndOfLine(trivia))
{
if (IsEndOfLine(trivia))
{
implicitLineBreak = false;
}
existingWhitespaceDelta = existingWhitespaceDelta.With(
GetLineColumnOfWhitespace(
lineColumn,
previousTrivia,
previousWhitespaceTrivia,
existingWhitespaceDelta,
trivia));
previousWhitespaceTrivia = trivia;
continue;
}
previousWhitespaceTrivia = default(SyntaxTrivia);
lineColumn = FormatFirstTriviaAndWhitespaceAfter(
lineColumn,
previousTrivia, existingWhitespaceDelta, trivia,
formatter, whitespaceAdder,
changes, implicitLineBreak, cancellationToken);
implicitLineBreak = implicitLineBreak || ContainsImplicitLineBreak(trivia);
existingWhitespaceDelta = LineColumnDelta.Default;
previousTrivia = trivia;
}
lineColumn = FormatFirstTriviaAndWhitespaceAfter(
lineColumn,
previousTrivia, existingWhitespaceDelta, default(SyntaxTrivia),
formatter, whitespaceAdder,
changes, implicitLineBreak, cancellationToken);
return(lineColumn);
}
private LineColumn FormatFirstTriviaAndWhitespaceAfter <T>(
LineColumn lineColumnBeforeTrivia1,
SyntaxTrivia trivia1,
LineColumnDelta existingWhitespaceBetween,
SyntaxTrivia trivia2,
Formatter <T> format,
WhitespaceAppender <T> addWhitespaceTrivia,
List <T> changes,
CancellationToken cancellationToken)
{
var lineColumnAfterTrivia1 = trivia1.RawKind == 0 ?
lineColumnBeforeTrivia1 : lineColumnBeforeTrivia1.With(format(lineColumnBeforeTrivia1, trivia1, changes, cancellationToken));
var rule = GetOverallLineColumnRuleBetween(trivia1, existingWhitespaceBetween, trivia2);
var whitespaceDelta = Apply(lineColumnBeforeTrivia1, trivia1, lineColumnAfterTrivia1, existingWhitespaceBetween, trivia2, rule);
var span = GetTextSpan(trivia1, trivia2);
addWhitespaceTrivia(lineColumnAfterTrivia1, whitespaceDelta, span, changes);
return(lineColumnAfterTrivia1.With(whitespaceDelta));
}
private LineColumn FormatTrivia <T>(Formatter <T> formatter, WhitespaceAppender <T> whitespaceAdder, ArrayBuilder <T> changes, CancellationToken cancellationToken)
{
var lineColumn = this.InitialLineColumn;
var existingWhitespaceDelta = LineColumnDelta.Default;
var previousWhitespaceTrivia = default(SyntaxTrivia);
var previousTrivia = default(SyntaxTrivia);
var implicitLineBreak = false;
var list = new TriviaList(this.Token1.TrailingTrivia, this.Token2.LeadingTrivia);
// Holds last position before _ ' Comment so we can reset after processing comment
var previousLineColumn = LineColumn.Default;
SyntaxTrivia trivia;
for (var i = 0; i < list.Count; i++)
{
trivia = list[i];
if (trivia.RawKind == 0)
{
continue;
}
if (IsWhitespaceOrEndOfLine(trivia))
{
existingWhitespaceDelta = existingWhitespaceDelta.With(
GetLineColumnOfWhitespace(
lineColumn,
previousTrivia,
previousWhitespaceTrivia,
existingWhitespaceDelta,
trivia));
if (IsEndOfLine(trivia))
{
implicitLineBreak = false;
// If we are on a new line we don't want to continue
// reseting indenting this handles the case of a NewLine
// followed by whitespace and a comment
previousLineColumn = LineColumn.Default;
}
else if (LineContinuationFollowedByWhitespaceComment(previousTrivia, (i + 1) < list.Count ? list[i + 1] : default))
{
// we have a comment following an underscore space the formatter
// thinks this next line should be shifted to right by
// indentation value. Since we know through the test above that
// this is the special case of _ ' Comment we don't want the extra indent
// so we set the LineColumn value back to where it was before the comment
previousLineColumn = lineColumn;
}
previousWhitespaceTrivia = trivia;
continue;
}
previousWhitespaceTrivia = default;
lineColumn = FormatFirstTriviaAndWhitespaceAfter(
lineColumn,
previousTrivia, existingWhitespaceDelta, trivia,
formatter, whitespaceAdder,
changes, implicitLineBreak, cancellationToken);
if (previousLineColumn.Column != 0 &&
previousLineColumn.Column < lineColumn.Column &&
IsVisualBasicComment(trivia))
{
lineColumn = previousLineColumn;
// When we see a NewLine we don't want any special handling
// for _ ' Comment
previousLineColumn = LineColumn.Default;
}
implicitLineBreak = implicitLineBreak || ContainsImplicitLineBreak(trivia);
existingWhitespaceDelta = LineColumnDelta.Default;
previousTrivia = trivia;
}
lineColumn = FormatFirstTriviaAndWhitespaceAfter(
lineColumn,
previousTrivia, existingWhitespaceDelta, default,
