public static void Refresh(Irony.Parsing.ParseTree tree)
{
if (isScanning)
{
return;
}
var file = FileManager.CurrentFile;
if (file == null || BabePackage.DTEHelper.DTE.ActiveDocument == null || file.Path != BabePackage.DTEHelper.DTE.ActiveDocument.FullName)
{
return;
}
if (System.IO.File.Exists(file.Path))
{
var tp = new TreeParser();
tp.Refresh(tree);
BabePackage.WindowManager.RefreshEditorOutline();
BabePackage.WindowManager.RefreshOutlineWnd();
}
else
{
//文件已经被移除
IntellisenseHelper.RemoveFile(file.Path);
FileManager.CurrentFile = null;
}
}
private static ParseTree Parse(string input, bool allowPartial)
{
ParseTree parseTree = null;
IronyParser.Context.Mode = allowPartial ? ParseMode.CommandLine : ParseMode.File;
try
{
parseTree = IronyParser.Parse(input);
}
catch (Exception)
{
var msg = "The parser internally crashed and gets reinitialized." + Environment.NewLine +
"Although this shouldn't happen, it's likely that it happened because of invalid syntax.";
IronyParser = new IronyParser(Grammar);
throw new ParseException(msg);
}
if (parseTree.HasErrors()) // ParseTreeStatus is Error
{
var logMessage = parseTree.ParserMessages.First();
throw new ParseException(logMessage.Message, logMessage.Location.Line, logMessage.Location.Column,
parseTree.SourceText);
}
return(parseTree);
}
void OnFileContentChanged(ITextSnapshot snapshot, Irony.Parsing.ParseTree tree)
{
if (FileContentChanged != null)
{
FileContentChanged(this, new FileContentChangedEventArgs(snapshot, tree));
}
}
/// <summary>
/// 匹配自定义折叠标签，类似 --region [title] 和--endregion之间的内容；
/// 匹配多行注释，类似--[[ content --]]
/// </summary>
/// <param name="root"></param>
/// <param name="regions"></param>
void FindUserRegions(ITextSnapshot snapShot, Irony.Parsing.ParseTree tree, ref List <Region> regions)
{
Stack <Irony.Parsing.Token> StartRegions = new Stack <Irony.Parsing.Token>();
foreach (var token in tree.Tokens)
{
Region region = null;
if (token.Category == Irony.Parsing.TokenCategory.Comment)
{
if (token.Text.Contains('\r') || token.Text.Contains('\n'))//多行注释，折叠
{
region = new Region();
region.StartLine = token.Location.Line;
region.StartOffset = 0;
region.EndLine = snapShot.GetLineFromPosition(token.Location.Position + token.Length).LineNumber;
//region.EndLine = token.Location.Line + token.Text.Count(c=>{return c == '\r';});
region.EndOffset = snapShot.GetLineFromLineNumber(region.EndLine).Length;
region.Preview = snapShot.GetLineFromLineNumber(region.StartLine).GetText().Replace("--[[", "");
region.IsCollapsed = true;
}
else
{
if (token.Text.StartsWith("--region "))
{
StartRegions.Push(token);
}
else if (token.Text.StartsWith("--endregion") && StartRegions.Count > 0)
{
region = new Region();
var startRegion = StartRegions.Pop();
var startLine = snapShot.GetLineFromLineNumber(startRegion.Location.Line);
var startLineOffset = startRegion.Location.Position - startLine.Start.Position;
var endLine = snapShot.GetLineFromLineNumber(token.Location.Line);
var endLineOffset = (token.Location.Position + token.Length) - endLine.Start.Position;
region.StartLine = startRegion.Location.Line;
region.StartOffset = startLineOffset;
region.EndLine = token.Location.Line;
region.EndOffset = endLineOffset;
region.Preview = startRegion.Text.Replace("--region ", "");
startRegion = null;
}
}
if (region != null)
{
regions.Add(region);
}
}
}
}
void ReParse(ITextSnapshot newSnapshot, Irony.Parsing.ParseTree tree)
{
List <Region> newRegions = new List <Region>();
if (tree.Root != null)
{
FindHiddenRegions(newSnapshot, tree.Root, ref newRegions);
FindUserRegions(newSnapshot, tree, ref newRegions);
}
//determine the changed span, and send a changed event with the new spans
List <Span> oldSpans =
new List <Span>(this.regions.Select(r => AsSnapshotSpan(r, this.snapshot)
.TranslateTo(newSnapshot, SpanTrackingMode.EdgeExclusive)
.Span));
List <Span> newSpans =
new List <Span>(newRegions.Select(r => AsSnapshotSpan(r, newSnapshot).Span));
NormalizedSpanCollection oldSpanCollection = new NormalizedSpanCollection(oldSpans);
NormalizedSpanCollection newSpanCollection = new NormalizedSpanCollection(newSpans);
//the changed regions are regions that appear in one set or the other, but not both.
NormalizedSpanCollection removed =
NormalizedSpanCollection.Difference(oldSpanCollection, newSpanCollection);
int changeStart = int.MaxValue;
int changeEnd = -1;
if (removed.Count > 0)
{
changeStart = removed[0].Start;
changeEnd = removed[removed.Count - 1].End;
}
if (newSpans.Count > 0)
{
changeStart = Math.Min(changeStart, newSpans[0].Start);
changeEnd = Math.Max(changeEnd, newSpans[newSpans.Count - 1].End);
}
this.snapshot = newSnapshot;
this.regions = newRegions;
if (changeStart <= changeEnd)
{
ITextSnapshot snap = this.snapshot;
if (this.TagsChanged != null)
{
this.TagsChanged(this, new SnapshotSpanEventArgs(
new SnapshotSpan(this.snapshot, Span.FromBounds(changeStart, changeEnd))));
}
}
}
public ParseTreeForm(Irony.Parsing.ParseTree i_ParseTree)
{
InitializeComponent();
m_ParseTree = i_ParseTree;
if (m_ParseTree != null)
{
ShowParseTree();
}
//ParseTreeView.Nodes.Clear();
//if (i_CuLe == null) return;
//if (i_CuLe.m_ParseTree == null) return;
//AddParseNodeRec(null, i_CuLe.m_ParseTree.Root);
}
private void ReParse(ITextSnapshot newSnapshot, Irony.Parsing.ParseTree tree)
{
int previousCount = errorTokens.Count;
errorTokens.Clear();
var newErrors = new List <Irony.Parsing.Token>();
foreach (var token in tree.Tokens)
{
if (token.IsError())
{
errorTokens.Add(token);
}
}
if (tree.HasErrors())
{
var tok = tree.Tokens.Last();
errorTokens.Add(tok);
//if (tok.Length != 0)
// errorTokens.Add(tok);
//else //it is EOF error so before the end(use -2)
// errorTokens.Add(tree.Tokens[tree.Tokens.Count - 2]);
msgParse = tree.ParserMessages[0].ToString();
}
else
{
msgParse = "";
}
if (previousCount != 0 || errorTokens.Count != 0)
{
if (this.TagsChanged != null)
{
this.TagsChanged(this, new SnapshotSpanEventArgs(
new SnapshotSpan(newSnapshot, 0, newSnapshot.Length)));
}
}
}
internal SqlGeometryParseException(Irony.Parsing.ParseTree tree)
: this(tree.ParserMessages[0])
{
ParseTree = tree;
}
/// <summary>
/// 匹配自定义折叠标签，类似 --region [title] 和--endregion之间的内容；
/// 匹配多行注释，类似--[[ content --]]
/// </summary>
/// <param name="root"></param>
/// <param name="regions"></param>
void FindUserRegions(ITextSnapshot snapShot, Irony.Parsing.ParseTree tree, ref List <Region> regions)
{
Irony.Parsing.Token startRegion = null;
foreach (var token in tree.Tokens)
{
Region region = null;
if (token.Category == Irony.Parsing.TokenCategory.Comment)
{
if (token.Text.Contains('\n'))//多行注释，折叠
{
region = new Region();
region.StartLine = token.Location.Line;
region.StartOffset = 0;
region.EndLine = token.Location.Line + token.Text.Count(c => { return(c == '\n'); });
region.EndOffset = snapShot.GetLineFromLineNumber(region.EndLine).Length;
region.Preview = snapShot.GetLineFromLineNumber(region.StartLine).GetText().Replace("--[[", "");
region.IsCollapsed = true;
}
else
{
if (token.Text.StartsWith("--region ") && startRegion == null)
{
startRegion = token;
}
else if (token.Text.StartsWith("--endregion") && startRegion != null)
{
try
{
region = new Region();
var startLine = snapShot.GetLineFromLineNumber(startRegion.Location.Line);
var startLineOffset = startRegion.Location.Position - startLine.Start.Position;
var endLine = snapShot.GetLineFromLineNumber(token.Location.Line);
var endLineOffset = (token.Location.Position + token.Length) - endLine.Start.Position;
region.StartLine = startRegion.Location.Line;
region.StartOffset = startLineOffset;
region.EndLine = token.Location.Line;
region.EndOffset = endLineOffset;
region.Preview = startRegion.Text.Replace("--region ", "");
startRegion = null;
}
catch
{
StringBuilder sb = new StringBuilder();
sb.AppendLine("LuaOutline.FindUserRegions cause an exception.");
sb.AppendLine("Args:");
sb.AppendLine("StartLine:" + startRegion.Location.Line + "," + startRegion.Location.Column);
sb.AppendLine("EndLine:" + token.Location.Line + "," + token.Location.Column);
sb.AppendLine("TextSnapshot Line:" + snapShot.LineCount);
Package.BabePackage.Setting.LogError(sb.ToString());
return;
}
}
}
if (region != null)
{
regions.Add(region);
}
}
}
}
public FileContentChangedEventArgs(ITextSnapshot Snapshot, Irony.Parsing.ParseTree Tree)
{
this.Tree = Tree;
this.Snapshot = Snapshot;
}