private IClassificationType GetClassificationType(NASMTokenTypes type)
{
switch (type)
{
case NASMTokenTypes.Default:
return(_typeService.GetClassificationType("nasm.default"));
case NASMTokenTypes.Comment:
return(_typeService.GetClassificationType("nasm.comment"));
case NASMTokenTypes.Number:
return(_typeService.GetClassificationType("nasm.number"));
case NASMTokenTypes.Character:
return(_typeService.GetClassificationType("nasm.character"));
case NASMTokenTypes.String:
return(_typeService.GetClassificationType("nasm.string"));
case NASMTokenTypes.Operator:
return(_typeService.GetClassificationType("nasm.operator"));
case NASMTokenTypes.CPUInstruction:
return(_typeService.GetClassificationType("nasm.cpu-instruction"));
case NASMTokenTypes.MathInstruction:
return(_typeService.GetClassificationType("nasm.math-instruction"));
case NASMTokenTypes.Register:
return(_typeService.GetClassificationType("nasm.register"));
case NASMTokenTypes.Directive:
return(_typeService.GetClassificationType("nasm.directive"));
case NASMTokenTypes.DirectiveOperand:
return(_typeService.GetClassificationType("nasm.directive-operand"));
case NASMTokenTypes.ExtInstruction:
return(_typeService.GetClassificationType("nasm.ext-instruction"));
case NASMTokenTypes.Label:
return(_typeService.GetClassificationType("nasm.label"));
default:
return(_typeService.GetClassificationType("nasm.default"));
}
}
public NASMTokenTag(NASMTokenTypes type)
{
this.type = type;
}
public IEnumerable <ITagSpan <NASMTokenTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
foreach (SnapshotSpan curSpan in spans)
{
ITextSnapshotLine containingLine = curSpan.Start.GetContainingLine();
int curLoc = containingLine.Start.Position;
string[] tokens = Split(containingLine.GetText().ToLower(), _delimiters.ToCharArray());
NASMTokenTypes overrideType = NASMTokenTypes.Default;
foreach (string token in tokens)
{
NASMTokenTypes type = GetTokenType(token);
SnapshotSpan tokenSpan;
if (type == NASMTokenTypes.Comment)
{
tokenSpan = new SnapshotSpan(curSpan.Snapshot, new Span(curLoc, containingLine.End.Position - curLoc));
if (tokenSpan.IntersectsWith(curSpan))
{
yield return(new TagSpan <NASMTokenTag>(tokenSpan, new NASMTokenTag(type)));
break;
}
}
if (overrideType == NASMTokenTypes.String)
{
if (type == NASMTokenTypes.String)
{
overrideType = NASMTokenTypes.Default;
}
else
{
type = overrideType;
}
}
else
{
if (type == NASMTokenTypes.String)
{
overrideType = NASMTokenTypes.String;
}
}
if (overrideType == NASMTokenTypes.Character)
{
if (type == NASMTokenTypes.Character)
{
overrideType = NASMTokenTypes.Default;
}
else
{
type = NASMTokenTypes.Character;
}
}
else
{
if (type == NASMTokenTypes.Character)
{
overrideType = NASMTokenTypes.Character;
}
}
tokenSpan = new SnapshotSpan(curSpan.Snapshot, new Span(curLoc, token.Length));
if (tokenSpan.IntersectsWith(curSpan))
{
yield return(new TagSpan <NASMTokenTag>(tokenSpan, new NASMTokenTag(type)));
}
//add an extra char location because of the space
curLoc += token.Length;
}
}
}
