private int GetRestartStateIndex(ScannerState state, int stateIndex){
ScannerRestartState restartState = new ScannerRestartState();
this.scanner.InitializeRestartState(restartState);
restartState.State = state;
for (int i = stateIndex-1; i >= 0; i--){
ScannerRestartState rstate = (ScannerRestartState)this.stateList[i];
if (rstate == restartState) return i;
}
int n = this.stateList.Count;
for (int i = stateIndex+1; i < n; i++){
ScannerRestartState rstate = (ScannerRestartState)this.stateList[i];
if (rstate == restartState) return i;
}
this.stateList.Add(restartState);
return n;
}
public void InitializeRestartState(ScannerRestartState restartState){
if (restartState == null){Debug.Assert(false); return;}
restartState.DocCommentStart = this.docCommentStart;
restartState.ElseCount = this.elseCount;
restartState.EndIfCount = this.endIfCount;
restartState.EndPos = this.endPos;
restartState.IncludeCount = this.includeCount;
restartState.NonExcludedEndifCount = this.nonExcludedEndIfCount;
restartState.State = this.state;
if (this.explicitlyInSpecSharp) restartState.State |= ScannerState.ExplicitlyInSpecSharp;
if (this.inSpecSharpMultilineComment) restartState.State |= ScannerState.InSpecSharpMultilineComment;
this.RestartStateHasChanged = false;
}
private ScannerRestartState GetRestartStateFor(int stateIndex){
if (stateIndex < 0){Debug.Assert(false); stateIndex = 0;}
if (this.stateList.Count <= stateIndex){
Debug.Assert(stateIndex == 0);
ScannerRestartState restartState = new ScannerRestartState();
this.stateList.Add(restartState);
this.scanner.InitializeRestartState(restartState);
return restartState;
}
return (ScannerRestartState)this.stateList[stateIndex];
}
public void Restart(ScannerRestartState restartState){
if (restartState == null){Debug.Assert(false); return;}
this.docCommentStart = restartState.DocCommentStart;
this.elseCount = restartState.ElseCount;
this.endIfCount = restartState.EndIfCount;
this.endPos = restartState.EndPos;
this.explicitlyInSpecSharp = (restartState.State & ScannerState.ExplicitlyInSpecSharp) != 0;
this.includeCount = restartState.IncludeCount;
this.inSpecSharpMultilineComment = (restartState.State & ScannerState.InSpecSharpMultilineComment) != 0;
this.nonExcludedEndIfCount = restartState.NonExcludedEndifCount;
this.state = restartState.State & ScannerState.StateMask;
this.RestartStateHasChanged = false;
}
