public override int ColorizeLine(int line, int length, IntPtr ptr, int state, uint[] attrs)
{
NemerleScanner scanner = (NemerleScanner)Scanner;
scanner._currentLine = line;
ScanLexer lex = scanner.GetLexer();
if (lex == null)
{
return(0);
}
lex.SetFileName(scanner._source.GetFilePath());
int ret;
try
{
ret = base.ColorizeLine(line, length, ptr, state, attrs);
if (attrs != null && scanner._colorizeEnd)
{
attrs[length] = (uint)scanner._lastColor;
}
}
finally
{
scanner._currentLine = -1;
}
return(ret);
}
public void SetHighlights(IIdeSource source, IEnumerable <GotoInfo> highlights)
{
var isPermanent = false;
var nsource = source as NemerleSource;
if (nsource == null)
{
return;
}
ScanLexer lexer = nsource.Scanner.GetLexer();
if (lexer == null)
{
return;
}
if (isPermanent)
{
lexer.AddHighlighting(highlights);
}
else
{
lexer.SetHoverHighlights(highlights);
}
nsource.Recolorize(1, source.LineCount);
}
public void SetSource(string source, int offset)
{
//System.Diagnostics.Debug.WriteLine(string.Format("Scan line {0}", _currentLine));
ScanLexer lexer = GetLexer();
if (lexer != null)
{
if (_currentLine >= 0 && source.Length > 0)
{
if (_source != null && _source.ProjectInfo != null)
{
var ret = _source.ProjectInfo.Engine.GetActiveEnv(_source.FileIndex, _currentLine + 1);
if (ret.Field0 != null)
{
_env = ret.Field0;
_type = ret.Field1;
}
}
}
lexer.SetLine(_currentLine + 1, source, offset, _env, _type);
}
}
internal ScanLexer GetLexer()
{
if (_lexer == null)
{
_lexer = GetNewLexer();
}
return(_lexer);
}
public BracketFinder(NemerleSource source, int startLine,
int startCol, NemerleScanner scanner, IVsTextColorState colorState)
{
#region Init fields
Scanner = scanner;
Source = source;
StartLine = startLine;
Lex = scanner.GetNewLexer();
Lex.SetFileName(source.GetFilePath());
ColorState = colorState;
_lineCount = source.GetLineCount();
var line = startLine - 1;
_buffer = new string[1] {
source.GetText(line, 0, line, source.GetLineLength(line))
};
_startBufferLine = line;
#endregion
#region 2. Determine that it is a paired token. 3. Determine paired token.
// Get tokens of line under text carret into dynamic array.
List <ScanTokenInfo> lineToks = GetLineTokens(startLine, true);
// Find index of token which located under text carret.
int index = FindIndex(lineToks, x => x.Token.Location.Contains(startLine, startCol));
if (index < 0)
{
return;
}
// If index is corret get corresponding token.
ScanTokenInfo startBraceInfo = lineToks[index];
// Remember it, if token have paired token.
if (IsPairedToken(startBraceInfo.Token))
{
StartBraceInfo = startBraceInfo;
}
else
{
// otherwise try get right-hand token...
startBraceInfo = RightHand(lineToks, index);
// Remember it, if token have paired token.
if (IsPairedToken(startBraceInfo.Token))
{
StartBraceInfo = startBraceInfo;
}
}
#endregion
}
/// <summary>
/// Implementation of<c>GetLineTokens</c>(). Don't use this method directly!
/// </summary>
IEnumerable <ScanTokenInfo> GetLineTokens(ScanLexer lex, ScanState scanState)
{
ScanTokenInfo info = lex.GetToken(scanState);
scanState = info.State;
while (!info.IsEndOfLine)
{
yield return(info);
info = lex.GetToken(scanState);
scanState = info.State;
}
}
internal void RemoveLastHighlighting(IIdeSource source)
{
Debug.WriteLine(">>>> ##### RemoveLastHighlighting!");
var nsource = source as NemerleSource;
if (nsource == null)
{
return;
}
ScanLexer lexer = nsource.Scanner.GetLexer();
if (lexer == null)
{
return;
}
lexer.RemoveLastHighlighting();
nsource.Recolorize(1, source.LineCount);
Debug.WriteLine("<<<< ##### HighlightUsages!");
}
internal ScanLexer GetLexer()
{
if (_lexer == null)
_lexer = GetNewLexer();
return _lexer;
}