private void HandleBackgroundParseComplete(object sender, ParseResultEventArgs e)
{
PhpEditorNavigationParseResultEventArgs antlrParseResultArgs = e as PhpEditorNavigationParseResultEventArgs;
if (antlrParseResultArgs == null)
{
return;
}
UpdateNavigationTargets(antlrParseResultArgs);
}
private void UpdateNavigationTargets([NotNull] PhpEditorNavigationParseResultEventArgs antlrParseResultArgs)
{
Debug.Assert(antlrParseResultArgs != null);
List <IEditorNavigationTarget> navigationTargets = new List <IEditorNavigationTarget>();
// always add the "global scope" element
{
string name = "Global Scope";
IEditorNavigationType editorNavigationType = Provider.EditorNavigationTypeRegistryService.GetEditorNavigationType(PredefinedEditorNavigationTypes.Types);
SnapshotSpan span = new SnapshotSpan(antlrParseResultArgs.Snapshot, 0, antlrParseResultArgs.Snapshot.Length);
SnapshotSpan seek = new SnapshotSpan(span.Start, 0);
ImageSource glyph = Provider.GlyphService.GetGlyph(StandardGlyphGroup.GlyphGroupNamespace, StandardGlyphItem.GlyphItemPublic);
NavigationTargetStyle style = NavigationTargetStyle.None;
navigationTargets.Add(new EditorNavigationTarget(name, editorNavigationType, span, seek, glyph, style));
}
if (antlrParseResultArgs != null)
{
ITextSnapshot snapshot = antlrParseResultArgs.Snapshot;
Listener listener = new Listener(Provider, snapshot, antlrParseResultArgs, navigationTargets);
foreach (var tree in antlrParseResultArgs.NavigationTrees)
{
ParseTreeWalkers.SingleTree.Walk(listener, tree);
}
#if false
IAstRuleReturnScope resultArgs = antlrParseResultArgs.Result as IAstRuleReturnScope;
var result = resultArgs != null ? resultArgs.Tree as CommonTree : null;
if (result != null)
{
foreach (CommonTree child in result.Children)
{
if (child == null || string.IsNullOrEmpty(child.Text))
{
continue;
}
if (child.Text == "rule" && child.ChildCount > 0)
{
var ruleName = child.GetChild(0).Text;
if (string.IsNullOrEmpty(ruleName))
{
continue;
}
if (ruleName == "Tokens")
{
continue;
}
var navigationType = char.IsUpper(ruleName[0]) ? _lexerRuleNavigationType : _parserRuleNavigationType;
IToken startToken = antlrParseResultArgs.Tokens[child.TokenStartIndex];
IToken stopToken = antlrParseResultArgs.Tokens[child.TokenStopIndex];
Span span = new Span(startToken.StartIndex, stopToken.StopIndex - startToken.StartIndex + 1);
SnapshotSpan ruleSpan = new SnapshotSpan(antlrParseResultArgs.Snapshot, span);
SnapshotSpan ruleSeek = new SnapshotSpan(antlrParseResultArgs.Snapshot, new Span(((CommonTree)child.GetChild(0)).Token.StartIndex, 0));
var glyph = char.IsUpper(ruleName[0]) ? _lexerRuleGlyph : _parserRuleGlyph;
navigationTargets.Add(new EditorNavigationTarget(ruleName, navigationType, ruleSpan, ruleSeek, glyph));
}
else if (child.Text.StartsWith("tokens"))
{
foreach (CommonTree tokenChild in child.Children)
{
if (tokenChild.Text == "=" && tokenChild.ChildCount == 2)
{
var ruleName = tokenChild.GetChild(0).Text;
if (string.IsNullOrEmpty(ruleName))
{
continue;
}
var navigationType = char.IsUpper(ruleName[0]) ? _lexerRuleNavigationType : _parserRuleNavigationType;
IToken startToken = antlrParseResultArgs.Tokens[tokenChild.TokenStartIndex];
IToken stopToken = antlrParseResultArgs.Tokens[tokenChild.TokenStopIndex];
Span span = new Span(startToken.StartIndex, stopToken.StopIndex - startToken.StartIndex + 1);
SnapshotSpan ruleSpan = new SnapshotSpan(antlrParseResultArgs.Snapshot, span);
SnapshotSpan ruleSeek = new SnapshotSpan(antlrParseResultArgs.Snapshot, new Span(((CommonTree)tokenChild.GetChild(0)).Token.StartIndex, 0));
var glyph = char.IsUpper(ruleName[0]) ? _lexerRuleGlyph : _parserRuleGlyph;
navigationTargets.Add(new EditorNavigationTarget(ruleName, navigationType, ruleSpan, ruleSeek, glyph));
}
else if (tokenChild.ChildCount == 0)
{
var ruleName = tokenChild.Text;
if (string.IsNullOrEmpty(ruleName))
{
continue;
}
var navigationType = char.IsUpper(ruleName[0]) ? _lexerRuleNavigationType : _parserRuleNavigationType;
IToken startToken = antlrParseResultArgs.Tokens[tokenChild.TokenStartIndex];
IToken stopToken = antlrParseResultArgs.Tokens[tokenChild.TokenStopIndex];
Span span = new Span(startToken.StartIndex, stopToken.StopIndex - startToken.StartIndex + 1);
SnapshotSpan ruleSpan = new SnapshotSpan(antlrParseResultArgs.Snapshot, span);
SnapshotSpan ruleSeek = new SnapshotSpan(antlrParseResultArgs.Snapshot, new Span(tokenChild.Token.StartIndex, 0));
var glyph = char.IsUpper(ruleName[0]) ? _lexerRuleGlyph : _parserRuleGlyph;
navigationTargets.Add(new EditorNavigationTarget(ruleName, navigationType, ruleSpan, ruleSeek, glyph));
}
}
}
}
}
#endif
}
this._navigationTargets = navigationTargets;
OnNavigationTargetsChanged(EventArgs.Empty);
}
private void UpdateNavigationTargets(PhpEditorNavigationParseResultEventArgs antlrParseResultArgs)
{
Contract.Requires(antlrParseResultArgs != null);
List<IEditorNavigationTarget> navigationTargets = new List<IEditorNavigationTarget>();
// always add the "global scope" element
{
string name = "Global Scope";
IEditorNavigationType editorNavigationType = Provider.EditorNavigationTypeRegistryService.GetEditorNavigationType(PredefinedEditorNavigationTypes.Types);
SnapshotSpan span = new SnapshotSpan(antlrParseResultArgs.Snapshot, 0, antlrParseResultArgs.Snapshot.Length);
SnapshotSpan seek = new SnapshotSpan(span.Start, 0);
ImageSource glyph = Provider.GlyphService.GetGlyph(StandardGlyphGroup.GlyphGroupNamespace, StandardGlyphItem.GlyphItemPublic);
NavigationTargetStyle style = NavigationTargetStyle.None;
navigationTargets.Add(new EditorNavigationTarget(name, editorNavigationType, span, seek, glyph, style));
}
if (antlrParseResultArgs != null)
{
ITextSnapshot snapshot = antlrParseResultArgs.Snapshot;
Listener listener = new Listener(Provider, snapshot, antlrParseResultArgs, navigationTargets);
foreach (var tree in antlrParseResultArgs.NavigationTrees)
{
ParseTreeWalkers.SingleTree.Walk(listener, tree);
}
#if false
IAstRuleReturnScope resultArgs = antlrParseResultArgs.Result as IAstRuleReturnScope;
var result = resultArgs != null ? resultArgs.Tree as CommonTree : null;
if (result != null)
{
foreach (CommonTree child in result.Children)
{
if (child == null || string.IsNullOrEmpty(child.Text))
continue;
if (child.Text == "rule" && child.ChildCount > 0)
{
var ruleName = child.GetChild(0).Text;
if (string.IsNullOrEmpty(ruleName))
continue;
if (ruleName == "Tokens")
continue;
var navigationType = char.IsUpper(ruleName[0]) ? _lexerRuleNavigationType : _parserRuleNavigationType;
IToken startToken = antlrParseResultArgs.Tokens[child.TokenStartIndex];
IToken stopToken = antlrParseResultArgs.Tokens[child.TokenStopIndex];
Span span = new Span(startToken.StartIndex, stopToken.StopIndex - startToken.StartIndex + 1);
SnapshotSpan ruleSpan = new SnapshotSpan(antlrParseResultArgs.Snapshot, span);
SnapshotSpan ruleSeek = new SnapshotSpan(antlrParseResultArgs.Snapshot, new Span(((CommonTree)child.GetChild(0)).Token.StartIndex, 0));
var glyph = char.IsUpper(ruleName[0]) ? _lexerRuleGlyph : _parserRuleGlyph;
navigationTargets.Add(new EditorNavigationTarget(ruleName, navigationType, ruleSpan, ruleSeek, glyph));
}
else if (child.Text.StartsWith("tokens"))
{
foreach (CommonTree tokenChild in child.Children)
{
if (tokenChild.Text == "=" && tokenChild.ChildCount == 2)
{
var ruleName = tokenChild.GetChild(0).Text;
if (string.IsNullOrEmpty(ruleName))
continue;
var navigationType = char.IsUpper(ruleName[0]) ? _lexerRuleNavigationType : _parserRuleNavigationType;
IToken startToken = antlrParseResultArgs.Tokens[tokenChild.TokenStartIndex];
IToken stopToken = antlrParseResultArgs.Tokens[tokenChild.TokenStopIndex];
Span span = new Span(startToken.StartIndex, stopToken.StopIndex - startToken.StartIndex + 1);
SnapshotSpan ruleSpan = new SnapshotSpan(antlrParseResultArgs.Snapshot, span);
SnapshotSpan ruleSeek = new SnapshotSpan(antlrParseResultArgs.Snapshot, new Span(((CommonTree)tokenChild.GetChild(0)).Token.StartIndex, 0));
var glyph = char.IsUpper(ruleName[0]) ? _lexerRuleGlyph : _parserRuleGlyph;
navigationTargets.Add(new EditorNavigationTarget(ruleName, navigationType, ruleSpan, ruleSeek, glyph));
}
else if (tokenChild.ChildCount == 0)
{
var ruleName = tokenChild.Text;
if (string.IsNullOrEmpty(ruleName))
continue;
var navigationType = char.IsUpper(ruleName[0]) ? _lexerRuleNavigationType : _parserRuleNavigationType;
IToken startToken = antlrParseResultArgs.Tokens[tokenChild.TokenStartIndex];
IToken stopToken = antlrParseResultArgs.Tokens[tokenChild.TokenStopIndex];
Span span = new Span(startToken.StartIndex, stopToken.StopIndex - startToken.StartIndex + 1);
SnapshotSpan ruleSpan = new SnapshotSpan(antlrParseResultArgs.Snapshot, span);
SnapshotSpan ruleSeek = new SnapshotSpan(antlrParseResultArgs.Snapshot, new Span(tokenChild.Token.StartIndex, 0));
var glyph = char.IsUpper(ruleName[0]) ? _lexerRuleGlyph : _parserRuleGlyph;
navigationTargets.Add(new EditorNavigationTarget(ruleName, navigationType, ruleSpan, ruleSeek, glyph));
}
}
}
}
}
#endif
}
this._navigationTargets = navigationTargets;
OnNavigationTargetsChanged(EventArgs.Empty);
}