private void AddChangeSignatureIndentOperation(List <IndentBlockOperation> list, SyntaxNode node)
{
if (node.Parent != null)
{
var baseToken = node.Parent.GetFirstToken();
var startToken = node.GetFirstToken();
var endToken = node.GetLastToken();
var span = CommonFormattingHelpers.GetSpanIncludingTrailingAndLeadingTriviaOfAdjacentTokens(startToken, endToken);
span = TextSpan.FromBounds(Math.Max(baseToken.Span.End, span.Start), span.End);
list.Add(FormattingOperations.CreateRelativeIndentBlockOperation(baseToken, startToken, endToken, span, indentationDelta: 1, option: IndentBlockOption.RelativeToFirstTokenOnBaseTokenLine));
}
}
private void AddSwitchIndentationOperation(List <IndentBlockOperation> list, SyntaxNode node, OptionSet optionSet)
{
var section = node as SwitchSectionSyntax;
if (section == null || !optionSet.GetOption(CSharpFormattingOptions.IndentSwitchCaseSection))
{
return;
}
// can this ever happen?
if (section.Labels.Count == 0 &&
section.Statements.Count == 0)
{
return;
}
// see whether we are the last statement
var switchStatement = node.Parent as SwitchStatementSyntax;
var lastSection = switchStatement.Sections.Last() == node;
if (section.Statements.Count == 0)
{
// even if there is no statement under section, we still want indent operation
var lastTokenOfLabel = section.Labels.Last().GetLastToken(includeZeroWidth: true);
var nextToken = lastTokenOfLabel.GetNextToken(includeZeroWidth: true);
AddIndentBlockOperation(list, lastTokenOfLabel, lastTokenOfLabel,
lastSection ?
TextSpan.FromBounds(lastTokenOfLabel.FullSpan.End, nextToken.SpanStart) : TextSpan.FromBounds(lastTokenOfLabel.FullSpan.End, lastTokenOfLabel.FullSpan.End));
return;
}
var startToken = section.Statements.First().GetFirstToken(includeZeroWidth: true);
var endToken = section.Statements.Last().GetLastToken(includeZeroWidth: true);
// see whether we are the last statement
var span = CommonFormattingHelpers.GetSpanIncludingTrailingAndLeadingTriviaOfAdjacentTokens(startToken, endToken);
span = lastSection ? span : TextSpan.FromBounds(span.Start, endToken.FullSpan.End);
AddIndentBlockOperation(list, startToken, endToken, span);
}
protected void RemoveIndentBlockOperation(
List <IndentBlockOperation> list,
SyntaxToken startToken,
SyntaxToken endToken)
{
if (startToken.CSharpKind() == SyntaxKind.None || endToken.CSharpKind() == SyntaxKind.None)
{
return;
}
var span = CommonFormattingHelpers.GetSpanIncludingTrailingAndLeadingTriviaOfAdjacentTokens(startToken, endToken);
for (int i = 0; i < list.Count; i++)
{
if (list[i] != null && list[i].TextSpan == span)
{
list[i] = null;
return;
}
}
}
private void AddSwitchIndentationOperation(List <IndentBlockOperation> list, SyntaxNode node, OptionSet optionSet)
{
var section = node as SwitchSectionSyntax;
if (section == null)
{
return;
}
// can this ever happen?
if (section.Labels.Count == 0 &&
section.Statements.Count == 0)
{
return;
}
var indentSwitchCase = optionSet.GetOption(CSharpFormattingOptions.IndentSwitchCaseSection);
var indentSwitchCaseWhenBlock = optionSet.GetOption(CSharpFormattingOptions.IndentSwitchCaseSectionWhenBlock);
if (!indentSwitchCase && !indentSwitchCaseWhenBlock)
{
// Never indent
return;
}
var alwaysIndent = indentSwitchCase && indentSwitchCaseWhenBlock;
if (!alwaysIndent)
{
// Only one of these values can be true at this point.
Debug.Assert(indentSwitchCase != indentSwitchCaseWhenBlock);
var firstStatementIsBlock =
section.Statements.Count > 0 &&
section.Statements[0].IsKind(SyntaxKind.Block);
if (indentSwitchCaseWhenBlock != firstStatementIsBlock)
{
return;
}
}
// see whether we are the last statement
var switchStatement = node.Parent as SwitchStatementSyntax;
var lastSection = switchStatement.Sections.Last() == node;
if (section.Statements.Count == 0)
{
// even if there is no statement under section, we still want indent operation
var lastTokenOfLabel = section.Labels.Last().GetLastToken(includeZeroWidth: true);
var nextToken = lastTokenOfLabel.GetNextToken(includeZeroWidth: true);
AddIndentBlockOperation(list, lastTokenOfLabel, lastTokenOfLabel,
lastSection ?
TextSpan.FromBounds(lastTokenOfLabel.FullSpan.End, nextToken.SpanStart) : TextSpan.FromBounds(lastTokenOfLabel.FullSpan.End, lastTokenOfLabel.FullSpan.End));
return;
}
var startToken = section.Statements.First().GetFirstToken(includeZeroWidth: true);
var endToken = section.Statements.Last().GetLastToken(includeZeroWidth: true);
// see whether we are the last statement
var span = CommonFormattingHelpers.GetSpanIncludingTrailingAndLeadingTriviaOfAdjacentTokens(startToken, endToken);
span = lastSection ? span : TextSpan.FromBounds(span.Start, endToken.FullSpan.End);
AddIndentBlockOperation(list, startToken, endToken, span);
}
/// <summary>
/// create indent block region around the start and end token with the given indentation delta added to the column of the base token
/// </summary>
public static IndentBlockOperation CreateRelativeIndentBlockOperation(SyntaxToken baseToken, SyntaxToken startToken, SyntaxToken endToken, int indentationDelta, IndentBlockOption option)
{
var span = CommonFormattingHelpers.GetSpanIncludingTrailingAndLeadingTriviaOfAdjacentTokens(startToken, endToken);
return(CreateRelativeIndentBlockOperation(baseToken, startToken, endToken, span, indentationDelta, option));
}
