private string Get_Procedure_Name(int lineNumber)
{
//AsmDudeToolsStatic.Output_INFO("MasmTokenTagger:Get_Procedure_Name: lineNumber=" + lineNumber);
for (int i = lineNumber; i >= 0; --i)
{
string line = this._buffer.CurrentSnapshot.GetLineFromLineNumber(i).GetText();
IList <(int, int, bool)> positions = AsmSourceTools.SplitIntoKeywordPos(line);
if (positions.Count > 1)
{
string keywordStr = NasmTokenTagger.Keyword(positions[1], line).ToUpper();
switch (keywordStr)
{
case "PROC": return(NasmTokenTagger.Keyword(positions[0], line));
case "ENDP": return(null);
default: break;
}
}
}
//AsmDudeToolsStatic.Output_INFO("MasmTokenTagger:Get_Procedure_Name: could not find regular label before lineNumber " + lineNumber);
return("");
}
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 = containingLine.GetText().ToUpper();
IList <(int beginPos, int length, bool isLabel)> pos = AsmSourceTools.SplitIntoKeywordPos(line);
int offset = containingLine.Start.Position;
int nKeywords = pos.Count;
for (int k = 0; k < nKeywords; k++)
{
string asmToken = NasmTokenTagger.Keyword(pos[k], line);
// keyword starts with a remark char
if (AsmSourceTools.IsRemarkChar(asmToken[0]))
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._remark));
continue;
}
// keyword k is a label definition
if (pos[k].isLabel)
{
SnapshotSpan labelDefSpan = NasmTokenTagger.New_Span(pos[k], offset, curSpan);
//AsmDudeToolsStatic.Output_INFO("MasmTokenTagger:GetTags: found label " + asmToken +" at line "+containingLine.LineNumber);
if (asmToken.Equals("@@"))
{
// TODO: special MASM label, for the moment, ignore it, later: check whether it is used etc.
}
else
{
yield return(new TagSpan <AsmTokenTag>(labelDefSpan, Make_AsmTokenTag_LabelDef(containingLine.LineNumber)));
}
continue;
}
AsmTokenType keywordType = this._asmDudeTools.Get_Token_Type(asmToken);
switch (keywordType)
{
case AsmTokenType.Jump:
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._jump));
k++; // goto the next word
if (k == nKeywords)
{
break;
}
string asmToken2 = NasmTokenTagger.Keyword(pos[k], line);
switch (asmToken2)
{
case "$":
case "@B":
case "@F":
{
// TODO: special MASM label, for the moment, ignore it, later: check whether it is used etc.
break;
}
case "WORD":
case "DWORD":
case "QWORD":
case "SHORT":
case "NEAR":
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._misc));
k++;
if (k == nKeywords)
{
break;
}
string asmToken3 = NasmTokenTagger.Keyword(pos[k], line);
switch (asmToken3)
{
case "$":
case "@B":
case "@F":
{
// TODO: special MASM label, for the moment, ignore it, later: check whether it is used etc.
break;
}
case "PTR":
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._misc));
break;
}
default:
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), Make_AsmTokenTag_Label(containingLine.LineNumber)));
break;
}
}
break;
}
default:
{
if (RegisterTools.IsRegister(asmToken2))
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._register));
}
else
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), Make_AsmTokenTag_Label(containingLine.LineNumber)));
}
break;
}
}
break;
}
case AsmTokenType.UNKNOWN: // asmToken is not a known keyword, check if it is numerical
{
if (AsmTools.AsmSourceTools.IsConstant(asmToken))
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._constant));
}
else if (asmToken.StartsWith("\"") && asmToken.EndsWith("\""))
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._constant));
}
else
{
bool isUnknown = true;
// do one word lookahead; see whether we can understand the current unknown word
if ((k + 1) < nKeywords)
{
k++;
string nextKeyword = NasmTokenTagger.Keyword(pos[k], line);
switch (nextKeyword)
{
case "PROC":
case "EQU":
case "LABEL":
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k - 1], offset, curSpan), this._labelDef));
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._directive));
isUnknown = false;
break;
}
case "PROTO":
{ // a proto is considered a label definition but it should not clash with other label definitions
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k - 1], offset, curSpan), this._labelDef_PROTO));
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._directive));
isUnknown = false;
break;
}
default:
{
k--;
break;
}
}
}
// do one word look back; see whether we can understand the current unknown word
if (k > 0)
{
string previousKeyword = NasmTokenTagger.Keyword(pos[k - 1], line);
switch (previousKeyword)
{
case "ALIAS":
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._labelDef));
isUnknown = false;
break;
}
default:
{
break;
}
}
}
if (isUnknown)
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._UNKNOWN));
}
}
break;
}
case AsmTokenType.Directive:
{
AssemblerEnum assember = this._asmDudeTools.Get_Assembler(asmToken);
if (assember.HasFlag(AssemblerEnum.MASM)) // this MASM token-tagger only tags MASM directives
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._directive));
if (asmToken.Equals("INVOKE"))
{
k++; // goto the next word
if (k == nKeywords)
{
break;
}
string asmToken2 = NasmTokenTagger.Keyword(pos[k], line);
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), Make_AsmTokenTag_Label(containingLine.LineNumber)));
//yield return new TagSpan<AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._label); // do not use full qualified label!
}
}
break;
}
default:
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), new AsmTokenTag(keywordType)));
break;
}
}
}
}
AsmDudeToolsStatic.Print_Speed_Warning(time1, "MasmTokenTagger");
}
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 = containingLine.GetText().ToUpper();
IList <(int, int, bool)> pos = AsmSourceTools.SplitIntoKeywordPos(line);
int offset = containingLine.Start.Position;
int nKeywords = pos.Count;
for (int k = 0; k < nKeywords; k++)
{
string asmToken = NasmTokenTagger.Keyword(pos[k], line);
// keyword starts with a remark char
if (AsmSourceTools.IsRemarkChar(asmToken[0]))
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._remark));
continue;
}
// keyword k is a label definition
if (pos[k].Item3)
{
//AsmDudeToolsStatic.Output_INFO("NasmTokenTagger:GetTags: found label " +asmToken);
if (IsProperLabelDef(asmToken, containingLine.LineNumber, out AsmTokenTag asmTokenTag))
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), asmTokenTag));
continue;
}
}
AsmTokenType keywordType = this._asmDudeTools.Get_Token_Type(asmToken);
switch (keywordType)
{
case AsmTokenType.Jump:
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._jump));
k++; // goto the next word
if (k == nKeywords)
{
break; // there are no next words
}
string asmToken2 = NasmTokenTagger.Keyword(pos[k], line);
switch (asmToken2)
{
case "WORD":
case "DWORD":
case "QWORD":
case "SHORT":
case "NEAR":
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._misc));
k++;
if (k == nKeywords)
{
break;
}
string asmToken3 = NasmTokenTagger.Keyword(pos[k], line);
if (asmToken3.Equals("PTR"))
{
yield return(new TagSpan <AsmTokenTag>(New_Span(pos[k], offset, curSpan), this._misc));
}
else
{
if (IsProperLabel(asmToken3, containingLine.LineNumber, out AsmTokenTag asmTokenTag))
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), asmTokenTag));
}
}
break;
}
default:
{
if (RegisterTools.IsRegister(asmToken2))
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._register));
}
else
{
if (IsProperLabel(asmToken2, containingLine.LineNumber, out AsmTokenTag asmTokenTag))
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), asmTokenTag));
}
}
break;
}
}
break;
}
case AsmTokenType.UNKNOWN: // asmToken is not a known keyword, check if it is numerical
{
if (AsmTools.AsmSourceTools.IsConstant(asmToken))
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._constant));
}
else if (asmToken.StartsWith("\"") && asmToken.EndsWith("\""))
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._constant));
}
else
{
bool isUnknown = true;
// do one word lookahead; see whether we can understand the current unknown word
if ((k + 1) < nKeywords)
{
k++;
string nextKeyword = NasmTokenTagger.Keyword(pos[k], line);
switch (nextKeyword)
{
case "LABEL":
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k - 1], offset, curSpan), this._labelDef));
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._directive));
isUnknown = false;
break;
}
default:
{
k--;
break;
}
}
}
// do one word look back; see whether we can understand the current unknown word
if (k > 0)
{
string previousKeyword = NasmTokenTagger.Keyword(pos[k - 1], line);
switch (previousKeyword)
{
case "ALIAS":
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._labelDef));
isUnknown = false;
break;
}
default:
{
break;
}
}
}
if (isUnknown)
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._UNKNOWN));
}
}
break;
}
case AsmTokenType.Directive:
{
AssemblerEnum assember = this._asmDudeTools.Get_Assembler(asmToken);
if (assember.HasFlag(AssemblerEnum.NASM)) // this NASM token-tagger only tags NASM directives
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), this._directive));
}
break;
}
default:
{
yield return(new TagSpan <AsmTokenTag>(NasmTokenTagger.New_Span(pos[k], offset, curSpan), new AsmTokenTag(keywordType)));
break;
}
}
}
}
AsmDudeToolsStatic.Print_Speed_Warning(time1, "NasmTokenTagger");
}