public IEnumerable <ITagSpan <AsmTokenTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
DateTime time1 = DateTime.Now;
if (spans.Count == 0)
{ //there is no content in the buffer
yield break;
}
foreach (SnapshotSpan curSpan in spans)
{
ITextSnapshotLine containingLine = curSpan.Start.GetContainingLine();
string line_upcase = containingLine.GetText().ToUpper();
List <(int BeginPos, int Length, bool IsLabel)> pos = new List <(int BeginPos, int Length, bool IsLabel)>(AsmSourceTools.SplitIntoKeywordPos(line_upcase));
int offset = containingLine.Start.Position;
int nKeywords = pos.Count;
#region Check if the current line is a line of source code
if (IsSourceCode(line_upcase, pos))
{
yield return(new TagSpan <AsmTokenTag>(NasmIntelTokenTagger.New_Span((0, line_upcase.Length, false), offset, curSpan), this._remark));
continue; // go to the next line
}
#endregion
for (int k = 0; k < nKeywords; k++)
{
string asmToken = AsmSourceTools.Keyword(pos[k], line_upcase);
// keyword starts with a remark char
if (AsmSourceTools.IsRemarkChar(asmToken[0]))
{
yield return(new TagSpan <AsmTokenTag>(NasmIntelTokenTagger.New_Span(pos[k], offset, curSpan), this._remark));
continue;
}
// keyword k is a label definition
if (pos[k].IsLabel)
{
yield return(new TagSpan <AsmTokenTag>(NasmIntelTokenTagger.New_Span(pos[k], offset, curSpan), this._labelDef));
continue;
}
AsmTokenType keywordType = this._asmDudeTools.Get_Token_Type_Att(asmToken);
switch (keywordType)
{
case AsmTokenType.Jump:
{
yield return(new TagSpan <AsmTokenTag>(NasmIntelTokenTagger.New_Span(pos[k], offset, curSpan), this._jump));
k++; // goto the next word
if (k == nKeywords)
{
break; // there are no next words
}
string asmToken2 = AsmSourceTools.Keyword(pos[k], line_upcase);
switch (asmToken2)
{
case "WORD":
case "DWORD":
case "QWORD":
case "SHORT":
case "NEAR":
{
yield return(new TagSpan <AsmTokenTag>(NasmIntelTokenTagger.New_Span(pos[k], offset, curSpan), this._misc));
k++;
if (k == nKeywords)
{
break;
}
string asmToken3 = AsmSourceTools.Keyword(pos[k], line_upcase);
switch (asmToken3)
{
case "PTR":
{
yield return(new TagSpan <AsmTokenTag>(New_Span(pos[k], offset, curSpan), this._misc));
break;
}
yield return(new TagSpan <AsmTokenTag>(NasmIntelTokenTagger.New_Span(pos[k], offset, curSpan), this._label));
break;
}
break;
}
default:
{
if (RegisterTools.IsRegister(asmToken2))
{
yield return(new TagSpan <AsmTokenTag>(NasmIntelTokenTagger.New_Span(pos[k], offset, curSpan), this._register));
}
else if (AsmSourceTools.Evaluate_Constant(asmToken2, true).Valid)
{
yield return(new TagSpan <AsmTokenTag>(NasmIntelTokenTagger.New_Span(pos[k], offset, curSpan), this._constant));
}
else
{
yield return(new TagSpan <AsmTokenTag>(NasmIntelTokenTagger.New_Span(pos[k], offset, curSpan), this._label));
}
break;
}
}
break;
}
case AsmTokenType.UNKNOWN: // asmToken is not a known keyword, check if it is numerical
{
if (AsmSourceTools.Evaluate_Constant(asmToken, true).Valid)
{
yield return(new TagSpan <AsmTokenTag>(NasmIntelTokenTagger.New_Span(pos[k], offset, curSpan), this._constant));
}
else if (asmToken.StartsWith("$"))
{
yield return(new TagSpan <AsmTokenTag>(NasmIntelTokenTagger.New_Span(pos[k], offset, curSpan), this._constant));
}
else if (asmToken.StartsWith("\"") && asmToken.EndsWith("\""))
{
yield return(new TagSpan <AsmTokenTag>(NasmIntelTokenTagger.New_Span(pos[k], offset, curSpan), this._constant));
}
else
{
//yield return new TagSpan<AsmTokenTag>(NasmIntelTokenTagger.New_Span(pos[k], offset, curSpan), this._UNKNOWN);
}
break;
}
case AsmTokenType.Directive:
{
yield return(new TagSpan <AsmTokenTag>(NasmIntelTokenTagger.New_Span(pos[k], offset, curSpan), this._directive));
break;
}
case AsmTokenType.Mnemonic:
{
yield return(new TagSpan <AsmTokenTag>(NasmIntelTokenTagger.New_Span(pos[k], offset, curSpan), this._mnemonic));
break;
}
case AsmTokenType.Register:
{
yield return(new TagSpan <AsmTokenTag>(NasmIntelTokenTagger.New_Span(pos[k], offset, curSpan), this._register));
break;
}
default: break;
}
}
}
AsmDudeToolsStatic.Print_Speed_Warning(time1, "NasmAttDisassemblyTokenTagger");
}
