public ColoredSegment(ISegment segment, ScopeStack scopeStack) : base(segment)
{
this.scopeStack = scopeStack;
}
public Task <HighlightedLine> GetColoredSegments(ITextSource text, int startOffset, int length)
{
if (ContextStack.IsEmpty)
{
return(Task.FromResult(new HighlightedLine(new TextSegment(startOffset, length), new [] { new ColoredSegment(0, length, ScopeStack.Empty) })));
}
SyntaxContext currentContext = null;
List <SyntaxContext> lastContexts = new List <SyntaxContext> ();
Match match = null;
SyntaxMatch curMatch = null;
var segments = new List <ColoredSegment> ();
int offset = 0;
int curSegmentOffset = 0;
int endOffset = offset + length;
int lastMatch = -1;
var highlightedSegment = new TextSegment(startOffset, length);
string lineText = text.GetTextAt(startOffset, length);
var initialState = state.Clone();
int timeoutOccursAt;
unchecked {
timeoutOccursAt = Environment.TickCount + (int)matchTimeout.TotalMilliseconds;
}
restart:
if (lastMatch == offset)
{
if (lastContexts.Contains(currentContext))
{
offset++;
length--;
}
else
{
lastContexts.Add(currentContext);
}
}
else
{
lastContexts.Clear();
lastContexts.Add(currentContext);
}
if (length <= 0)
{
goto end;
}
lastMatch = offset;
currentContext = ContextStack.Peek();
match = null;
curMatch = null;
foreach (var m in currentContext.Matches)
{
if (m.GotTimeout)
{
continue;
}
var r = m.GetRegex();
if (r == null)
{
continue;
}
try {
var possibleMatch = r.Match(lineText, offset, length, matchTimeout);
if (possibleMatch.Success)
{
if (match == null || possibleMatch.Index < match.Index)
{
match = possibleMatch;
curMatch = m;
// Console.WriteLine (match.Index + " possible match : " + m + "/" + possibleMatch.Index + "-" + possibleMatch.Length);
}
else
{
// Console.WriteLine (match.Index + " skip match : " + m + "/" + possibleMatch.Index + "-" + possibleMatch.Length);
}
}
else
{
// Console.WriteLine ("fail match : " + m);
}
} catch (RegexMatchTimeoutException) {
LoggingService.LogWarning("Warning: Regex " + m.Match + " timed out on line:" + text.GetTextAt(offset, length));
m.GotTimeout = true;
continue;
}
}
if (Environment.TickCount >= timeoutOccursAt)
{
curMatch.GotTimeout = true;
goto end;
}
if (match != null)
{
// Console.WriteLine (match.Index + " taken match : " + curMatch + "/" + match.Index + "-" + match.Length);
var matchEndOffset = match.Index + match.Length;
if (curSegmentOffset < match.Index && match.Length > 0)
{
segments.Add(new ColoredSegment(curSegmentOffset, match.Index - curSegmentOffset, ScopeStack));
curSegmentOffset = match.Index;
}
if (curMatch.Pop)
{
PopMetaContentScopeStack(currentContext, curMatch);
}
PushScopeStack(curMatch.Scope);
if (curMatch.Captures.Groups.Count > 0)
{
for (int i = 0; i < curMatch.Captures.Groups.Count; ++i)
{
var capture = curMatch.Captures.Groups[i];
var grp = match.Groups [capture.Item1];
if (grp == null || grp.Length == 0)
{
continue;
}
if (curSegmentOffset < grp.Index)
{
ReplaceSegment(segments, new ColoredSegment(curSegmentOffset, grp.Index - curSegmentOffset, ScopeStack));
}
ReplaceSegment(segments, new ColoredSegment(grp.Index, grp.Length, ScopeStack.Push(capture.Item2)));
curSegmentOffset = Math.Max(curSegmentOffset, grp.Index + grp.Length);
}
}
if (curMatch.Captures.NamedGroups.Count > 0)
{
for (int i = 0; i < curMatch.Captures.NamedGroups.Count; ++i)
{
var capture = curMatch.Captures.NamedGroups[i];
var grp = match.Groups [capture.Item1];
if (grp == null || grp.Length == 0)
{
continue;
}
if (curSegmentOffset < grp.Index)
{
ReplaceSegment(segments, new ColoredSegment(curSegmentOffset, grp.Index - curSegmentOffset, ScopeStack));
}
ReplaceSegment(segments, new ColoredSegment(grp.Index, grp.Length, ScopeStack.Push(capture.Item2)));
curSegmentOffset = grp.Index + grp.Length;
}
}
if (curMatch.Scope.Count > 0 && curSegmentOffset < matchEndOffset && match.Length > 0)
{
segments.Add(new ColoredSegment(curSegmentOffset, matchEndOffset - curSegmentOffset, ScopeStack));
curSegmentOffset = matchEndOffset;
}
if (curMatch.Pop)
{
if (matchEndOffset - curSegmentOffset > 0)
{
segments.Add(new ColoredSegment(curSegmentOffset, matchEndOffset - curSegmentOffset, ScopeStack));
}
//if (curMatch.Scope != null)
// scopeStack = scopeStack.Pop ();
PopStack(currentContext, curMatch);
curSegmentOffset = matchEndOffset;
}
else if (curMatch.Set != null)
{
// if (matchEndOffset - curSegmentOffset > 0)
// segments.Add (new ColoredSegment (curSegmentOffset, matchEndOffset - curSegmentOffset, ScopeStack));
//if (curMatch.Scope != null)
// scopeStack = scopeStack.Pop ();
PopMetaContentScopeStack(currentContext, curMatch);
PopStack(currentContext, curMatch);
//curSegmentOffset = matchEndOffset;
var nextContexts = curMatch.Set.GetContexts(currentContext);
PushStack(curMatch, nextContexts);
goto skip;
}
else if (curMatch.Push != null)
{
var nextContexts = curMatch.Push.GetContexts(currentContext);
PushStack(curMatch, nextContexts);
}
else
{
if (curMatch.Scope.Count > 0)
{
for (int i = 0; i < curMatch.Scope.Count; i++)
{
ScopeStack = ScopeStack.Pop();
}
}
}
if (curSegmentOffset < matchEndOffset && match.Length > 0)
{
segments.Add(new ColoredSegment(curSegmentOffset, matchEndOffset - curSegmentOffset, ScopeStack));
curSegmentOffset = matchEndOffset;
}
skip:
length -= curSegmentOffset - offset;
offset = curSegmentOffset;
goto restart;
}
end:
if (endOffset - curSegmentOffset > 0)
{
segments.Add(new ColoredSegment(curSegmentOffset, endOffset - curSegmentOffset, ScopeStack));
}
return(Task.FromResult(new HighlightedLine(highlightedSegment, segments)
{
IsContinuedBeyondLineEnd = !initialState.Equals(state)
}));
}
public RoslynClassificationHighlighting(MonoDevelopWorkspace workspace, DocumentId documentId, string defaultScope)
{
this.workspace = workspace;
this.documentId = documentId;
this.defaultScope = new ScopeStack(defaultScope);
this.userScope = this.defaultScope.Push(EditorThemeColors.UserTypes);
classificationMap = new Dictionary <string, ScopeStack> {
[ClassificationTypeNames.Comment] = MakeScope("comment." + defaultScope),
[ClassificationTypeNames.ExcludedCode] = MakeScope("comment.excluded." + defaultScope),
[ClassificationTypeNames.Identifier] = MakeScope(defaultScope),
[ClassificationTypeNames.Keyword] = MakeScope("keyword." + defaultScope),
[ClassificationTypeNames.NumericLiteral] = MakeScope("constant.numeric." + defaultScope),
[ClassificationTypeNames.Operator] = MakeScope(defaultScope),
[ClassificationTypeNames.PreprocessorKeyword] = MakeScope("meta.preprocessor." + defaultScope),
[ClassificationTypeNames.StringLiteral] = MakeScope("string." + defaultScope),
[ClassificationTypeNames.WhiteSpace] = MakeScope("text." + defaultScope),
[ClassificationTypeNames.Text] = MakeScope("text." + defaultScope),
[ClassificationTypeNames.PreprocessorText] = MakeScope("meta.preprocessor.region.name." + defaultScope),
[ClassificationTypeNames.Punctuation] = MakeScope("punctuation." + defaultScope),
[ClassificationTypeNames.VerbatimStringLiteral] = MakeScope("string.verbatim." + defaultScope),
[ClassificationTypeNames.ClassName] = MakeScope("entity.name.class." + defaultScope),
[ClassificationTypeNames.DelegateName] = MakeScope("entity.name.delegate." + defaultScope),
[ClassificationTypeNames.EnumName] = MakeScope("entity.name.enum." + defaultScope),
[ClassificationTypeNames.InterfaceName] = MakeScope("entity.name.interface." + defaultScope),
[ClassificationTypeNames.ModuleName] = MakeScope("entity.name.module." + defaultScope),
[ClassificationTypeNames.StructName] = MakeScope("entity.name.struct." + defaultScope),
[ClassificationTypeNames.TypeParameterName] = MakeScope("entity.name.typeparameter." + defaultScope),
[ClassificationTypeNames.FieldName] = MakeScope("entity.name.field." + defaultScope),
[ClassificationTypeNames.EnumMemberName] = MakeScope("entity.name.enummember." + defaultScope),
[ClassificationTypeNames.ConstantName] = MakeScope("entity.name.constant." + defaultScope),
[ClassificationTypeNames.LocalName] = MakeScope("entity.name.local." + defaultScope),
[ClassificationTypeNames.ParameterName] = MakeScope("entity.name.parameter." + defaultScope),
[ClassificationTypeNames.ExtensionMethodName] = MakeScope("entity.name.extensionmethod." + defaultScope),
[ClassificationTypeNames.MethodName] = MakeScope("entity.name.function." + defaultScope),
[ClassificationTypeNames.PropertyName] = MakeScope("entity.name.property." + defaultScope),
[ClassificationTypeNames.EventName] = MakeScope("entity.name.event." + defaultScope),
[ClassificationTypeNames.XmlDocCommentAttributeName] = MakeScope("comment.line.documentation." + defaultScope),
[ClassificationTypeNames.XmlDocCommentAttributeQuotes] = MakeScope("comment.line.documentation." + defaultScope),
[ClassificationTypeNames.XmlDocCommentAttributeValue] = MakeScope("comment.line.documentation." + defaultScope),
[ClassificationTypeNames.XmlDocCommentCDataSection] = MakeScope("comment.line.documentation." + defaultScope),
[ClassificationTypeNames.XmlDocCommentComment] = MakeScope("comment.line.documentation." + defaultScope),
[ClassificationTypeNames.XmlDocCommentDelimiter] = MakeScope("comment.line.documentation." + defaultScope),
[ClassificationTypeNames.XmlDocCommentEntityReference] = MakeScope("comment.line.documentation." + defaultScope),
[ClassificationTypeNames.XmlDocCommentName] = MakeScope("comment.line.documentation." + defaultScope),
[ClassificationTypeNames.XmlDocCommentProcessingInstruction] = MakeScope("comment.line.documentation." + defaultScope),
[ClassificationTypeNames.XmlDocCommentText] = MakeScope("comment.line.documentation." + defaultScope),
[ClassificationTypeNames.XmlLiteralAttributeName] = MakeScope("entity.other.attribute-name." + defaultScope),
[ClassificationTypeNames.XmlLiteralAttributeQuotes] = MakeScope("punctuation.definition.string." + defaultScope),
[ClassificationTypeNames.XmlLiteralAttributeValue] = MakeScope("string.quoted." + defaultScope),
[ClassificationTypeNames.XmlLiteralCDataSection] = MakeScope("text." + defaultScope),
[ClassificationTypeNames.XmlLiteralComment] = MakeScope("comment.block." + defaultScope),
[ClassificationTypeNames.XmlLiteralDelimiter] = MakeScope(defaultScope),
[ClassificationTypeNames.XmlLiteralEmbeddedExpression] = MakeScope(defaultScope),
[ClassificationTypeNames.XmlLiteralEntityReference] = MakeScope(defaultScope),
[ClassificationTypeNames.XmlLiteralName] = MakeScope("entity.name.tag.localname." + defaultScope),
[ClassificationTypeNames.XmlLiteralProcessingInstruction] = MakeScope(defaultScope),
[ClassificationTypeNames.XmlLiteralText] = MakeScope("text." + defaultScope),
};
}
public ColoredSegment(int offset, int length, ScopeStack scopeStack) : base(offset, length)
{
this.scopeStack = scopeStack;
}
public abstract Tuple <bool, ScopeStack> MatchesStack(ScopeStack scopeStack, ref string matchExpr);
public override int GetHashCode()
{
unchecked {
return((ScopeStack != null ? ScopeStack.GetHashCode() : 0) ^ Foreground.GetHashCode() ^ Background.GetHashCode() ^ FontWeight.GetHashCode() ^ FontStyle.GetHashCode());
}
}
public abstract (bool, ScopeStack) MatchesStack(ScopeStack scopeStack, ref string matchExpr);
public static Dictionary <string, ScopeStack> GetClassificationMap(string scope)
{
Dictionary <string, ScopeStack> result;
if (classificationMapCache.TryGetValue(scope, out result))
{
return(result);
}
var defaultScopeStack = new ScopeStack(scope);
result = new Dictionary <string, ScopeStack> {
[ClassificationTypeNames.Comment] = MakeScope(defaultScopeStack, "comment." + scope),
[ClassificationTypeNames.ExcludedCode] = MakeScope(defaultScopeStack, "comment.excluded." + scope),
[ClassificationTypeNames.Identifier] = MakeScope(defaultScopeStack, scope),
[ClassificationTypeNames.Keyword] = MakeScope(defaultScopeStack, "keyword." + scope),
[ClassificationTypeNames.NumericLiteral] = MakeScope(defaultScopeStack, "constant.numeric." + scope),
[ClassificationTypeNames.Operator] = MakeScope(defaultScopeStack, scope),
[ClassificationTypeNames.PreprocessorKeyword] = MakeScope(defaultScopeStack, "meta.preprocessor." + scope),
[ClassificationTypeNames.StringLiteral] = MakeScope(defaultScopeStack, "string." + scope),
[ClassificationTypeNames.WhiteSpace] = MakeScope(defaultScopeStack, "text." + scope),
[ClassificationTypeNames.Text] = MakeScope(defaultScopeStack, "text." + scope),
[ClassificationTypeNames.PreprocessorText] = MakeScope(defaultScopeStack, "meta.preprocessor.region.name." + scope),
[ClassificationTypeNames.Punctuation] = MakeScope(defaultScopeStack, "punctuation." + scope),
[ClassificationTypeNames.VerbatimStringLiteral] = MakeScope(defaultScopeStack, "string.verbatim." + scope),
[ClassificationTypeNames.ClassName] = MakeScope(defaultScopeStack, "entity.name.class." + scope),
[ClassificationTypeNames.DelegateName] = MakeScope(defaultScopeStack, "entity.name.delegate." + scope),
[ClassificationTypeNames.EnumName] = MakeScope(defaultScopeStack, "entity.name.enum." + scope),
[ClassificationTypeNames.InterfaceName] = MakeScope(defaultScopeStack, "entity.name.interface." + scope),
[ClassificationTypeNames.ModuleName] = MakeScope(defaultScopeStack, "entity.name.module." + scope),
[ClassificationTypeNames.StructName] = MakeScope(defaultScopeStack, "entity.name.struct." + scope),
[ClassificationTypeNames.TypeParameterName] = MakeScope(defaultScopeStack, "entity.name.typeparameter." + scope),
[ClassificationTypeNames.FieldName] = MakeScope(defaultScopeStack, "entity.name.field." + scope),
[ClassificationTypeNames.EnumMemberName] = MakeScope(defaultScopeStack, "entity.name.enummember." + scope),
[ClassificationTypeNames.ConstantName] = MakeScope(defaultScopeStack, "entity.name.constant." + scope),
[ClassificationTypeNames.LocalName] = MakeScope(defaultScopeStack, "entity.name.local." + scope),
[ClassificationTypeNames.ParameterName] = MakeScope(defaultScopeStack, "entity.name.parameter." + scope),
[ClassificationTypeNames.ExtensionMethodName] = MakeScope(defaultScopeStack, "entity.name.extensionmethod." + scope),
[ClassificationTypeNames.MethodName] = MakeScope(defaultScopeStack, "entity.name.function." + scope),
[ClassificationTypeNames.PropertyName] = MakeScope(defaultScopeStack, "entity.name.property." + scope),
[ClassificationTypeNames.EventName] = MakeScope(defaultScopeStack, "entity.name.event." + scope),
[ClassificationTypeNames.XmlDocCommentAttributeName] = MakeScope(defaultScopeStack, "comment.line.documentation." + scope),
[ClassificationTypeNames.XmlDocCommentAttributeQuotes] = MakeScope(defaultScopeStack, "comment.line.documentation." + scope),
[ClassificationTypeNames.XmlDocCommentAttributeValue] = MakeScope(defaultScopeStack, "comment.line.documentation." + scope),
[ClassificationTypeNames.XmlDocCommentCDataSection] = MakeScope(defaultScopeStack, "comment.line.documentation." + scope),
[ClassificationTypeNames.XmlDocCommentComment] = MakeScope(defaultScopeStack, "comment.line.documentation." + scope),
[ClassificationTypeNames.XmlDocCommentDelimiter] = MakeScope(defaultScopeStack, "comment.line.documentation." + scope),
[ClassificationTypeNames.XmlDocCommentEntityReference] = MakeScope(defaultScopeStack, "comment.line.documentation." + scope),
[ClassificationTypeNames.XmlDocCommentName] = MakeScope(defaultScopeStack, "comment.line.documentation." + scope),
[ClassificationTypeNames.XmlDocCommentProcessingInstruction] = MakeScope(defaultScopeStack, "comment.line.documentation." + scope),
[ClassificationTypeNames.XmlDocCommentText] = MakeScope(defaultScopeStack, "comment.line.documentation." + scope),
[ClassificationTypeNames.XmlLiteralAttributeName] = MakeScope(defaultScopeStack, "entity.other.attribute-name." + scope),
[ClassificationTypeNames.XmlLiteralAttributeQuotes] = MakeScope(defaultScopeStack, "punctuation.definition.string." + scope),
[ClassificationTypeNames.XmlLiteralAttributeValue] = MakeScope(defaultScopeStack, "string.quoted." + scope),
[ClassificationTypeNames.XmlLiteralCDataSection] = MakeScope(defaultScopeStack, "text." + scope),
[ClassificationTypeNames.XmlLiteralComment] = MakeScope(defaultScopeStack, "comment.block." + scope),
[ClassificationTypeNames.XmlLiteralDelimiter] = MakeScope(defaultScopeStack, scope),
[ClassificationTypeNames.XmlLiteralEmbeddedExpression] = MakeScope(defaultScopeStack, scope),
[ClassificationTypeNames.XmlLiteralEntityReference] = MakeScope(defaultScopeStack, scope),
[ClassificationTypeNames.XmlLiteralName] = MakeScope(defaultScopeStack, "entity.name.tag.localname." + scope),
[ClassificationTypeNames.XmlLiteralProcessingInstruction] = MakeScope(defaultScopeStack, scope),
[ClassificationTypeNames.XmlLiteralText] = MakeScope(defaultScopeStack, "text." + scope),
};
classificationMapCache = classificationMapCache.SetItem(scope, result);
return(result);
}
static ScopeStack MakeScope(ScopeStack defaultScope, string scope)
{
return(defaultScope.Push(scope));
}
