public override void Format(
FormattingContext context,
ChainedFormattingRules formattingRules,
Action<int, TriviaData> formattingResultApplier,
CancellationToken cancellationToken,
int tokenPairIndex = TokenPairIndexNotNeeded)
{
Contract.ThrowIfFalse(this.SecondTokenIsFirstTokenOnLine);
var token1 = _original.Token1;
var token2 = _original.Token2;
var triviaList = new TriviaList(token1.TrailingTrivia, token2.LeadingTrivia);
Contract.ThrowIfFalse(triviaList.Count > 0);
// okay, now, check whether we need or are able to format noisy tokens
if (CodeShapeAnalyzer.ContainsSkippedTokensOrText(triviaList))
{
return;
}
formattingResultApplier(tokenPairIndex,
new FormattedComplexTrivia(
context,
formattingRules,
_original.Token1,
_original.Token2,
this.LineBreaks,
this.Spaces,
_original.OriginalString,
cancellationToken));
}
public override TriviaData WithSpace(int space, FormattingContext context, ChainedFormattingRules formattingRules)
{
if (this.LineBreaks == 0 && this.Spaces == space)
{
return this;
}
return new ModifiedWhitespace(this.OptionSet, this, /*lineBreak*/0, space, elastic: false, language: this.Language);
}
public override void Format(
FormattingContext context,
ChainedFormattingRules formattingRules,
Action<int, TriviaData> formattingResultApplier,
CancellationToken cancellationToken,
int tokenPairIndex = TokenPairIndexNotNeeded)
{
formattingResultApplier(tokenPairIndex, new FormattedWhitespace(this.OptionSet, this.LineBreaks, this.Spaces, this.Language));
}
public override TriviaData WithIndentation(
int indentation, FormattingContext context, ChainedFormattingRules formattingRules, CancellationToken cancellationToken)
{
if (this.Spaces == indentation)
{
return this;
}
return new ModifiedWhitespace(this.OptionSet, this, this.LineBreaks, indentation, elastic: false, language: this.Language);
}
public Partitioner(FormattingContext context, TokenStream tokenStream, TokenPairWithOperations[] operationPairs)
{
Contract.ThrowIfNull(context);
Contract.ThrowIfNull(tokenStream);
Contract.ThrowIfNull(operationPairs);
_context = context;
_tokenStream = tokenStream;
_operationPairs = operationPairs;
}
public override TriviaData WithLine(int line, int indentation, FormattingContext context, ChainedFormattingRules formattingRules, CancellationToken cancellationToken)
{
Contract.ThrowIfFalse(line > 0);
if (this.LineBreaks == line && this.Spaces == indentation)
{
return this;
}
return new ModifiedWhitespace(this.OptionSet, this, line, indentation, elastic: false, language: this.Language);
}
public CSharpTriviaFormatter(
FormattingContext context,
ChainedFormattingRules formattingRules,
SyntaxToken token1,
SyntaxToken token2,
string originalString,
int lineBreaks,
int spaces) :
base(context, formattingRules, token1, token2, originalString, lineBreaks, spaces)
{
}
public override TriviaData WithSpace(int space, FormattingContext context, ChainedFormattingRules formattingRules)
{
if (_original == null)
{
return base.WithSpace(space, context, formattingRules);
}
if (this.LineBreaks == _original.LineBreaks && _original.Spaces == space)
{
return _original;
}
return base.WithSpace(space, context, formattingRules);
}
public override TriviaData WithLine(int line, int indentation, FormattingContext context, ChainedFormattingRules formattingRules, CancellationToken cancellationToken)
{
if (_original == null)
{
return base.WithLine(line, indentation, context, formattingRules, cancellationToken);
}
if (_original.LineBreaks == line && _original.Spaces == indentation)
{
return _original;
}
return base.WithLine(line, indentation, context, formattingRules, cancellationToken);
}
public override TriviaData WithIndentation(
int indentation, FormattingContext context, ChainedFormattingRules formattingRules, CancellationToken cancellationToken)
{
if (this.original == null)
{
return base.WithIndentation(indentation, context, formattingRules, cancellationToken);
}
if (this.LineBreaks == this.original.LineBreaks && this.original.Spaces == indentation)
{
return this.original;
}
return base.WithIndentation(indentation, context, formattingRules, cancellationToken);
}
public override TriviaData WithSpace(int space, FormattingContext context, ChainedFormattingRules formattingRules)
{
// two tokens are on a single line, we don't allow changing spaces between two
// tokens that contain noisy characters between them.
if (!this.SecondTokenIsFirstTokenOnLine)
{
return this;
}
// okay, two tokens are on different lines, we are basically asked to remove line breaks between them
// and make them to be on a single line. well, that is not allowed when there are noisy chars between them
if (this.SecondTokenIsFirstTokenOnLine)
{
return this;
}
return Contract.FailWithReturn<TriviaData>("Can not reach here");
}
public override TriviaData WithLine(
int line, int indentation, FormattingContext context, ChainedFormattingRules formattingRules, CancellationToken cancellationToken)
{
Contract.ThrowIfFalse(line > 0);
// if we have elastic trivia, always let it be modified
if (this.TreatAsElastic)
{
return CreateComplexTrivia(line, indentation);
}
// two tokens are on a single line, it is always allowed to put those two tokens on a different lines
if (!this.SecondTokenIsFirstTokenOnLine)
{
return CreateComplexTrivia(line, indentation);
}
// okay, two tokens are on different lines, now we need to see whether we can add more lines or not
if (this.SecondTokenIsFirstTokenOnLine)
{
// we are asked to add more lines. sure, no problem
if (this.LineBreaks < line)
{
return CreateComplexTrivia(line, indentation);
}
// we already has same number of lines, but it is asking changing indentation
if (this.LineBreaks == line)
{
return WithIndentation(indentation, context, formattingRules, cancellationToken);
}
// sorry, we can't reduce lines if it contains noisy chars
if (this.LineBreaks > line)
{
return this;
}
}
return Contract.FailWithReturn<TriviaData>("Can not reach here");
}
public FormattedComplexTrivia(
FormattingContext context,
ChainedFormattingRules formattingRules,
SyntaxToken token1,
SyntaxToken token2,
int lineBreaks,
int spaces,
string originalString,
CancellationToken cancellationToken) :
base(context.OptionSet, LanguageNames.CSharp)
{
Contract.ThrowIfNull(context);
Contract.ThrowIfNull(formattingRules);
Contract.ThrowIfNull(originalString);
this.LineBreaks = Math.Max(0, lineBreaks);
this.Spaces = Math.Max(0, spaces);
_formatter = new CSharpTriviaFormatter(context, formattingRules, token1, token2, originalString, this.LineBreaks, this.Spaces);
_textChanges = _formatter.FormatToTextChanges(cancellationToken);
}
private bool ShouldFormat(FormattingContext context)
{
var commonToken1 = this.Token1;
var commonToken2 = this.Token2;
var formatSpanEnd = commonToken2.Kind() == SyntaxKind.None ? commonToken1.Span.End : commonToken2.Span.Start;
var span = TextSpan.FromBounds(commonToken1.Span.End, formatSpanEnd);
if (context.IsSpacingSuppressed(span))
{
return false;
}
var triviaList = new TriviaList(commonToken1.TrailingTrivia, commonToken2.LeadingTrivia);
Contract.ThrowIfFalse(triviaList.Count > 0);
// okay, now, check whether we need or are able to format noisy tokens
if (ContainsSkippedTokensOrText(triviaList))
{
return false;
}
if (!this.SecondTokenIsFirstTokenOnLine)
{
return CodeShapeAnalyzer.ShouldFormatSingleLine(triviaList);
}
Debug.Assert(this.SecondTokenIsFirstTokenOnLine);
if (this.OptionSet.GetOption(FormattingOptions.UseTabs, LanguageNames.CSharp))
{
return true;
}
var firstTriviaInTree = this.Token1.Kind() == SyntaxKind.None;
return CodeShapeAnalyzer.ShouldFormatMultiLine(context, firstTriviaInTree, triviaList);
}
public override TriviaData WithSpace(int space, FormattingContext context, ChainedFormattingRules formattingRules)
{
return _original.WithSpace(space, context, formattingRules);
}
public OperationApplier(FormattingContext context, TokenStream tokenStream, ChainedFormattingRules formattingRules)
{
this.context = context;
this.tokenStream = tokenStream;
this.formattingRules = formattingRules;
}
public override void Format(
FormattingContext context, ChainedFormattingRules formattingRules, Action<int, TriviaData> formattingResultApplier, CancellationToken cancellationToken, int tokenPairIndex = TokenPairIndexNotNeeded)
{
throw new NotImplementedException();
}
public override void Format(
FormattingContext context,
ChainedFormattingRules formattingRules,
Action<int, TriviaData> formattingResultApplier,
CancellationToken cancellationToken,
int tokenPairIndex = TokenPairIndexNotNeeded)
{
if (!ShouldFormat(context))
{
return;
}
formattingResultApplier(tokenPairIndex, Format(context, formattingRules, this.LineBreaks, this.Spaces, cancellationToken));
}
public override void Format(
FormattingContext context,
ChainedFormattingRules formattingRules,
Action<int, TriviaData> formattingResultApplier,
CancellationToken cancellationToken,
int tokenPairIndex = TokenPairIndexNotNeeded)
{
// nothing changed, nothing to format
}
protected abstract TriviaDataWithList Format(FormattingContext context, ChainedFormattingRules formattingRules, int lines, int spaces, CancellationToken cancellationToken);
public abstract void Format(
FormattingContext context,
ChainedFormattingRules formattingRules,
Action<int, TriviaData> formattingResultApplier,
CancellationToken cancellationToken,
int tokenPairIndex = TokenPairIndexNotNeeded);
public abstract TriviaData WithSpace(int space, FormattingContext context, ChainedFormattingRules formattingRules);
public abstract TriviaData WithIndentation(int indentation, FormattingContext context, ChainedFormattingRules formattingRules, CancellationToken cancellationToken);
public OperationApplier(FormattingContext context, TokenStream tokenStream, ChainedFormattingRules formattingRules)
{
_context = context;
_tokenStream = tokenStream;
_formattingRules = formattingRules;
}
public override TriviaData WithIndentation(
int indentation, FormattingContext context, ChainedFormattingRules formattingRules, CancellationToken cancellationToken)
{
return _original.WithIndentation(indentation, context, formattingRules, cancellationToken);
}
public OperationApplier(FormattingContext context, ChainedFormattingRules formattingRules)
{
_context = context;
_formattingRules = formattingRules;
}
public abstract TriviaData WithSpace(int space, FormattingContext context, ChainedFormattingRules formattingRules);
protected abstract TriviaDataWithList Format(FormattingContext context, ChainedFormattingRules formattingRules, int lines, int spaces, CancellationToken cancellationToken);
public abstract TriviaData WithIndentation(int indentation, FormattingContext context, ChainedFormattingRules formattingRules, CancellationToken cancellationToken);
public override TriviaData WithIndentation(int indentation, FormattingContext context, ChainedFormattingRules formattingRules, CancellationToken cancellationToken)
{
throw new NotImplementedException();
}
public override TriviaData WithIndentation(
int indentation, FormattingContext context, ChainedFormattingRules formattingRules, CancellationToken cancellationToken)
{
// if tokens are not in different line, there is nothing we can do here
if (!this.SecondTokenIsFirstTokenOnLine)
{
return this;
}
// well, we are already in a desired format, nothing to do. return as it is.
if (this.Spaces == indentation)
{
return this;
}
// do expansive check
// we need to actually format here to find out indentation
var list = new TriviaList(_token1.TrailingTrivia, _token2.LeadingTrivia);
Contract.ThrowIfFalse(list.Count > 0);
if (ContainsSkippedTokensOrText(list))
{
// we can't format
return this;
}
// okay, we need to do expansive calculation to find out actual space between two tokens
var trivia = Format(context, formattingRules, this.LineBreaks, indentation, cancellationToken);
var triviaString = CreateString(trivia, cancellationToken);
int lineBreaks;
int spaces;
ExtractLineAndSpace(triviaString, out lineBreaks, out spaces);
return CreateComplexTrivia(lineBreaks, spaces, indentation);
}
private CodeShapeAnalyzer(FormattingContext context, bool firstTriviaInTree, TriviaList triviaList)
{
_context = context;
_optionSet = context.OptionSet;
_triviaList = triviaList;
_indentation = 0;
_hasTrailingSpace = false;
_lastLineBreakIndex = firstTriviaInTree ? 0 : -1;
_touchedNoisyCharacterOnCurrentLine = false;
}
public override TriviaData WithSpace(int space, FormattingContext context, ChainedFormattingRules formattingRules)
{
throw new NotImplementedException();
}
public override TriviaData WithSpace(int space, FormattingContext context, ChainedFormattingRules formattingRules)
{
throw new NotImplementedException();
}
public static bool ShouldFormatMultiLine(FormattingContext context, bool firstTriviaInTree, TriviaList triviaList)
{
var analyzer = new CodeShapeAnalyzer(context, firstTriviaInTree, triviaList);
return analyzer.ShouldFormat();
}
public override TriviaData WithIndentation(int indentation, FormattingContext context, ChainedFormattingRules formattingRules, CancellationToken cancellationToken)
{
throw new NotImplementedException();
}
public override void Format(
FormattingContext context, ChainedFormattingRules formattingRules, Action <int, TriviaData> formattingResultApplier, CancellationToken cancellationToken, int tokenPairIndex = TokenPairIndexNotNeeded)
{
throw new NotImplementedException();
}
public OperationApplier(FormattingContext context, TokenStream tokenStream, ChainedFormattingRules formattingRules)
{
this.context = context;
this.tokenStream = tokenStream;
this.formattingRules = formattingRules;
}
public abstract void Format(
FormattingContext context,
ChainedFormattingRules formattingRules,
Action <int, TokenStream, TriviaData> formattingResultApplier,
CancellationToken cancellationToken,
int tokenPairIndex = TokenPairIndexNotNeeded);
public OperationApplier(FormattingContext context, TokenStream tokenStream, ChainedFormattingRules formattingRules)
{
_context = context;
_tokenStream = tokenStream;
_formattingRules = formattingRules;
}