static void RetrieveRegions(ICompilationUnit cu, ICSharpCode.NRefactory.Parser.SpecialTracker tracker)
{
Stack <ICSharpCode.NRefactory.PreprocessingDirective> regionStartDirectives = new Stack <ICSharpCode.NRefactory.PreprocessingDirective>();
foreach (ICSharpCode.NRefactory.PreprocessingDirective directive in tracker.CurrentSpecials.OfType <ICSharpCode.NRefactory.PreprocessingDirective>())
{
if (directive.Cmd.Equals("#region", StringComparison.OrdinalIgnoreCase))
{
regionStartDirectives.Push(directive);
}
if (directive.Cmd.Equals("#end", StringComparison.OrdinalIgnoreCase)
// using StartsWith allows comments at end of line
// fixes http://community.sharpdevelop.net/forums/t/12252.aspx
&& directive.Arg.StartsWith("region", StringComparison.OrdinalIgnoreCase) &&
regionStartDirectives.Any())
{
ICSharpCode.NRefactory.PreprocessingDirective start = regionStartDirectives.Pop();
cu.FoldingRegions.Add(new FoldingRegion(start.Arg.TrimComments().Trim().Trim('"'), DomRegion.FromLocation(start.StartPosition, directive.EndPosition)));
}
}
}
void RetrieveRegions(ICompilationUnit cu, ICSharpCode.NRefactory.Parser.SpecialTracker tracker)
{
for (int i = 0; i < tracker.CurrentSpecials.Count; ++i)
{
ICSharpCode.NRefactory.PreprocessingDirective directive = tracker.CurrentSpecials[i] as ICSharpCode.NRefactory.PreprocessingDirective;
if (directive != null)
{
if (directive.Cmd.Equals("#region", StringComparison.OrdinalIgnoreCase))
{
int deep = 1;
for (int j = i + 1; j < tracker.CurrentSpecials.Count; ++j)
{
ICSharpCode.NRefactory.PreprocessingDirective nextDirective = tracker.CurrentSpecials[j] as ICSharpCode.NRefactory.PreprocessingDirective;
if (nextDirective != null)
{
switch (nextDirective.Cmd.ToLowerInvariant())
{
case "#region":
++deep;
break;
case "#end":
if (nextDirective.Arg.Equals("region", StringComparison.OrdinalIgnoreCase))
{
--deep;
if (deep == 0)
{
cu.FoldingRegions.Add(new FoldingRegion(directive.Arg.Trim('"'), DomRegion.FromLocation(directive.StartPosition, nextDirective.EndPosition)));
goto end;
}
}
break;
}
}
}
end :;
}
}
}
}
void RetrieveRegions(ICompilationUnit cu, ICSharpCode.NRefactory.Parser.SpecialTracker tracker)
{
for (int i = 0; i < tracker.CurrentSpecials.Count; ++i)
{
ICSharpCode.NRefactory.PreprocessingDirective directive = tracker.CurrentSpecials[i] as ICSharpCode.NRefactory.PreprocessingDirective;
if (directive != null)
{
if (directive.Cmd == "#region")
{
int deep = 1;
for (int j = i + 1; j < tracker.CurrentSpecials.Count; ++j)
{
ICSharpCode.NRefactory.PreprocessingDirective nextDirective = tracker.CurrentSpecials[j] as ICSharpCode.NRefactory.PreprocessingDirective;
if (nextDirective != null)
{
switch (nextDirective.Cmd)
{
case "#region":
++deep;
break;
case "#endregion":
--deep;
if (deep == 0)
{
cu.FoldingRegions.Add(new FoldingRegion(directive.Arg.Trim(), DomRegion.FromLocation(directive.StartPosition, nextDirective.EndPosition)));
goto end;
}
break;
}
}
}
end :;
}
}
}
}
public object Visit (ICSharpCode.NRefactory.PreprocessingDirective directive, object data)
{
DomLocation loc = new DomLocation (directive.StartPosition.Line, directive.StartPosition.Column);
switch (directive.Cmd) {
case "#if":
directive.Expression.AcceptVisitor (visitor, null);
conditionalRegions.Push (new ConditionalRegion (visitor.Text));
visitor.Reset ();
ifBlocks.Push (directive);
ConditionalRegion.Start = loc;
break;
case "#elif":
CloseConditionBlock (new DomLocation (directive.LastLineEnd.Line, directive.LastLineEnd.Column));
directive.Expression.AcceptVisitor (visitor, null);
if (ConditionalRegion != null)
ConditionalRegion.ConditionBlocks.Add (new ConditionBlock (visitor.Text, loc));
visitor.Reset ();
// elifBlocks.Add (directive);
break;
case "#else":
CloseConditionBlock (new DomLocation (directive.LastLineEnd.Line, directive.LastLineEnd.Column));
if (ConditionalRegion != null)
ConditionalRegion.ElseBlock = new DomRegion (loc, DomLocation.Empty);
// elseBlock = directive;
break;
case "#endif":
DomLocation endLoc = new DomLocation (directive.LastLineEnd.Line, directive.LastLineEnd.Column);
CloseConditionBlock (endLoc);
if (ConditionalRegion != null && !ConditionalRegion.ElseBlock.Start.IsEmpty)
ConditionalRegion.ElseBlock = new DomRegion (ConditionalRegion.ElseBlock.Start, endLoc);
AddCurRegion (directive.EndPosition);
if (ifBlocks.Count > 0) {
ICSharpCode.NRefactory.PreprocessingDirective ifBlock = ifBlocks.Pop ();
DomRegion dr = new DomRegion (ifBlock.StartPosition.Line, ifBlock.StartPosition.Column, directive.EndPosition.Line, directive.EndPosition.Column);
result.Add (new FoldingRegion ("#if " + ifBlock.Arg.Trim (), dr, FoldType.UserRegion, false));
foreach (ICSharpCode.NRefactory.PreprocessingDirective d in elifBlocks) {
dr.Start = new DomLocation (d.StartPosition.Line, d.StartPosition.Column);
result.Add (new FoldingRegion ("#elif " + ifBlock.Arg.Trim (), dr, FoldType.UserRegion, false));
}
if (elseBlock != null) {
dr.Start = new DomLocation (elseBlock.StartPosition.Line, elseBlock.StartPosition.Column);
result.Add (new FoldingRegion ("#else", dr, FoldType.UserRegion, false));
}
}
elseBlock = null;
break;
case "#define":
result.Add (new PreProcessorDefine (directive.Arg, loc));
break;
case "#region":
regions.Push (directive);
break;
case "#endregion":
if (regions.Count > 0) {
ICSharpCode.NRefactory.PreprocessingDirective start = regions.Pop ();
DomRegion dr = new DomRegion (start.StartPosition.Line, start.StartPosition.Column, directive.EndPosition.Line, directive.EndPosition.Column);
result.Add (new FoldingRegion (start.Arg, dr, FoldType.UserRegion, true));
}
break;
}
return null;
}