void EditorCarethandlePositionChanged(object sender, DocumentLocationEventArgs e)
{
if (!editor.GetTextEditorData().HighlightCaretLine || e.Location.Line == editor.Caret.Line)
{
return;
}
editor.RedrawMarginLine(this, e.Location.Line);
editor.RedrawMarginLine(this, editor.Caret.Line);
}
public void InsertNewLine(TextEditor editor, NewLineInsertion insertion, ref int offset)
{
string str = null;
switch (insertion)
{
case NewLineInsertion.Eol:
str = editor.GetTextEditorData().EolMarker;
break;
case NewLineInsertion.BlankLine:
str = editor.GetTextEditorData().EolMarker + editor.GetTextEditorData().EolMarker;
break;
default:
return;
}
editor.Insert(offset, str);
offset += str.Length;
}
public void SetSegment(TextSegment segment, bool removeIndent)
{
int startLine = editor.Document.OffsetToLineNumber(segment.Offset);
int endLine = editor.Document.OffsetToLineNumber(segment.EndOffset);
bool pushedLineLimit = endLine - startLine > maxLines;
if (pushedLineLimit)
{
segment = new TextSegment(segment.Offset, editor.Document.GetLine(startLine + maxLines).Offset - segment.Offset);
}
layout.Ellipsize = Pango.EllipsizeMode.End;
layout.SetMarkup(editor.GetTextEditorData().GetMarkup(segment.Offset, segment.Length, removeIndent) + (pushedLineLimit ? Environment.NewLine + "..." : ""));
QueueDraw();
}
int InsertLines(int offset, int start, int end, out int newStart, out int newEnd)
{
StringBuilder sb = new StringBuilder();
StackFrame ff = DebuggingService.CurrentFrame;
List <AssemblyLine> lines = new List <AssemblyLine> (ff.Disassemble(start, end - start + 1));
int i = lines.FindIndex(al => !al.IsOutOfRange);
if (i == -1)
{
newStart = int.MinValue;
newEnd = int.MinValue;
return(0);
}
newStart = i == 0 ? start : int.MinValue;
lines.RemoveRange(0, i);
int j = lines.FindLastIndex(al => !al.IsOutOfRange);
newEnd = j == lines.Count - 1 ? end : int.MinValue;
lines.RemoveRange(j + 1, lines.Count - j - 1);
int lineCount = 0;
int editorLine = editor.GetTextEditorData().OffsetToLineNumber(offset);
foreach (AssemblyLine li in lines)
{
if (li.IsOutOfRange)
{
continue;
}
InsertAssemblerLine(sb, editorLine++, li);
lineCount++;
}
editor.Insert(offset, sb.ToString());
editor.Document.CommitUpdateAll();
if (offset == 0)
{
this.cachedLines.InsertRange(0, lines);
}
else
{
this.cachedLines.AddRange(lines);
}
return(lineCount);
}
internal protected override void MousePressed(MarginMouseEventArgs args)
{
base.MousePressed(args);
if (args.Button != PointerButton.Left || args.LineNumber < DocumentLocation.MinLine)
{
return;
}
editor.LockedMargin = this;
int lineNumber = args.LineNumber;
bool extendSelection = (args.ModifierState & ModifierKeys.Shift) == ModifierKeys.Shift;
if (lineNumber <= editor.Document.LineCount)
{
DocumentLocation loc = new DocumentLocation(lineNumber, DocumentLocation.MinColumn);
DocumentLine line = args.LineSegment;
if (args.RawEvent.MultiplePress == 2)
{
if (line != null)
{
editor.MainSelection = new Selection(loc, GetLineEndLocation(editor.GetTextEditorData(), lineNumber));
}
}
else if (extendSelection)
{
if (!editor.IsSomethingSelected)
{
editor.MainSelection = new Selection(loc, loc);
}
else
{
editor.MainSelection = editor.MainSelection.WithLead(loc);
}
}
else
{
anchorLocation = loc;
editor.ClearSelection();
}
editor.Caret.PreserveSelection = true;
editor.Caret.Location = loc;
editor.Caret.PreserveSelection = false;
}
}
internal protected override void MousePressed(MarginMouseEventArgs args)
{
base.MousePressed(args);
if (args.Button != 1 || args.LineNumber < DocumentLocation.MinLine)
{
return;
}
editor.LockedMargin = this;
int lineNumber = args.LineNumber;
bool extendSelection = (args.ModifierState & Gdk.ModifierType.ShiftMask) == Gdk.ModifierType.ShiftMask;
if (lineNumber <= editor.Document.LineCount)
{
DocumentLocation loc = new DocumentLocation(lineNumber, DocumentLocation.MinColumn);
LineSegment line = args.LineSegment;
if (args.Type == EventType.TwoButtonPress)
{
if (line != null)
{
editor.MainSelection = new Selection(loc, GetLineEndLocation(editor.GetTextEditorData(), lineNumber));
}
}
else if (extendSelection)
{
if (!editor.IsSomethingSelected)
{
editor.MainSelection = new Selection(loc, loc);
}
editor.MainSelection.Lead = loc;
}
else
{
anchorLocation = loc;
editor.ClearSelection();
}
editor.Caret.PreserveSelection = true;
editor.Caret.Location = loc;
editor.Caret.PreserveSelection = false;
}
}
public override TooltipItem GetItem (TextEditor editor, int offset)
{
if (offset >= editor.Document.TextLength)
return null;
if (!DebuggingService.IsDebugging || DebuggingService.IsRunning)
return null;
StackFrame frame = DebuggingService.CurrentFrame;
if (frame == null)
return null;
var ed = (ExtensibleTextEditor)editor;
int startOffset = 0, length = 0;
DomRegion expressionRegion;
string expression = null;
ResolveResult res;
if (ed.IsSomethingSelected && offset >= ed.SelectionRange.Offset && offset <= ed.SelectionRange.EndOffset) {
expression = ed.SelectedText;
startOffset = ed.SelectionRange.Offset;
length = ed.SelectionRange.Length;
} else if ((res = ed.GetLanguageItem (offset, out expressionRegion)) != null && !res.IsError && res.GetType () != typeof (ResolveResult)) {
//Console.WriteLine ("res is a {0}", res.GetType ().Name);
if (expressionRegion.IsEmpty)
return null;
if (res is NamespaceResolveResult ||
res is ConversionResolveResult ||
res is ConstantResolveResult ||
res is ForEachResolveResult ||
res is TypeIsResolveResult ||
res is TypeOfResolveResult ||
res is ErrorResolveResult)
return null;
if (res.IsCompileTimeConstant)
return null;
var start = new DocumentLocation (expressionRegion.BeginLine, expressionRegion.BeginColumn);
var end = new DocumentLocation (expressionRegion.EndLine, expressionRegion.EndColumn);
startOffset = editor.Document.LocationToOffset (start);
int endOffset = editor.Document.LocationToOffset (end);
length = endOffset - startOffset;
if (res is LocalResolveResult) {
expression = GetLocalExpression (editor, (LocalResolveResult) res, expressionRegion);
length = expression.Length;
} else if (res is InvocationResolveResult) {
var ir = (InvocationResolveResult) res;
if (ir.Member.Name != ".ctor")
return null;
expression = ir.Member.DeclaringType.FullName;
} else if (res is MemberResolveResult) {
expression = GetMemberExpression (editor, (MemberResolveResult) res, expressionRegion);
} else if (res is NamedArgumentResolveResult) {
// Fall through...
} else if (res is ThisResolveResult) {
// Fall through...
} else if (res is TypeResolveResult) {
// Fall through...
} else {
return null;
}
if (expression == null)
expression = ed.GetTextBetween (start, end);
} else {
var data = editor.GetTextEditorData ();
startOffset = data.FindCurrentWordStart (offset);
int endOffset = data.FindCurrentWordEnd (offset);
expression = ed.GetTextBetween (ed.OffsetToLocation (startOffset), ed.OffsetToLocation (endOffset));
}
if (string.IsNullOrEmpty (expression))
return null;
ObjectValue val;
if (!cachedValues.TryGetValue (expression, out val)) {
val = frame.GetExpressionValue (expression, true);
cachedValues [expression] = val;
}
if (val == null || val.IsUnknown || val.IsNotSupported)
return null;
val.Name = expression;
return new TooltipItem (val, startOffset, length);
}
public override TooltipItem GetItem(TextEditor editor, int offset)
{
if (offset >= editor.Document.TextLength)
{
return(null);
}
if (!DebuggingService.IsDebugging || DebuggingService.IsRunning)
{
return(null);
}
StackFrame frame = DebuggingService.CurrentFrame;
if (frame == null)
{
return(null);
}
var ed = (ExtensibleTextEditor)editor;
string expression = null;
int startOffset;
if (ed.IsSomethingSelected && offset >= ed.SelectionRange.Offset && offset <= ed.SelectionRange.EndOffset)
{
startOffset = ed.SelectionRange.Offset;
expression = ed.SelectedText;
}
else
{
var doc = IdeApp.Workbench.ActiveDocument;
if (doc == null || doc.ParsedDocument == null)
{
return(null);
}
ResolveResult result;
AstNode node;
var loc = editor.OffsetToLocation(offset);
if (!TryResolveAt(doc, loc, out result, out node))
{
return(null);
}
expression = ResolveExpression(editor.GetTextEditorData(), result, node, out startOffset);
}
if (string.IsNullOrEmpty(expression))
{
return(null);
}
ObjectValue val;
if (!cachedValues.TryGetValue(expression, out val))
{
val = frame.GetExpressionValue(expression, true);
cachedValues [expression] = val;
}
if (val == null || val.IsUnknown || val.IsNotSupported)
{
return(null);
}
val.Name = expression;
return(new TooltipItem(val, startOffset, expression.Length));
}
public override TooltipItem GetItem(TextEditor editor, int offset)
{
if (offset >= editor.Document.TextLength)
{
return(null);
}
if (!DebuggingService.IsDebugging || DebuggingService.IsRunning)
{
return(null);
}
StackFrame frame = DebuggingService.CurrentFrame;
if (frame == null)
{
return(null);
}
var ed = (ExtensibleTextEditor)editor;
int startOffset = 0, length = 0;
DomRegion expressionRegion;
string expression = null;
ResolveResult res;
if (ed.IsSomethingSelected && offset >= ed.SelectionRange.Offset && offset <= ed.SelectionRange.EndOffset)
{
expression = ed.SelectedText;
startOffset = ed.SelectionRange.Offset;
length = ed.SelectionRange.Length;
}
else if ((res = ed.GetLanguageItem(offset, out expressionRegion)) != null && !res.IsError && res.GetType() != typeof(ResolveResult))
{
//Console.WriteLine ("res is a {0}", res.GetType ().Name);
if (expressionRegion.IsEmpty)
{
return(null);
}
if (res is NamespaceResolveResult ||
res is ConversionResolveResult ||
res is ConstantResolveResult ||
res is ForEachResolveResult ||
res is TypeIsResolveResult ||
res is TypeOfResolveResult ||
res is ErrorResolveResult)
{
return(null);
}
if (res.IsCompileTimeConstant)
{
return(null);
}
var start = new DocumentLocation(expressionRegion.BeginLine, expressionRegion.BeginColumn);
var end = new DocumentLocation(expressionRegion.EndLine, expressionRegion.EndColumn);
startOffset = editor.Document.LocationToOffset(start);
int endOffset = editor.Document.LocationToOffset(end);
length = endOffset - startOffset;
if (res is LocalResolveResult)
{
expression = GetLocalExpression(editor, (LocalResolveResult)res, expressionRegion);
length = expression.Length;
}
else if (res is InvocationResolveResult)
{
var ir = (InvocationResolveResult)res;
if (ir.Member.Name != ".ctor")
{
return(null);
}
expression = ir.Member.DeclaringType.FullName;
}
else if (res is MemberResolveResult)
{
var mr = (MemberResolveResult)res;
string member = null;
if (mr.Member != null)
{
if (mr.Member is IProperty)
{
// Visual Studio will evaluate Properties if you hover over their definitions...
var prop = (IProperty)mr.Member;
if (prop.CanGet)
{
if (prop.IsStatic)
{
expression = prop.FullName;
}
else
{
member = prop.Name;
}
}
else
{
return(null);
}
}
else if (mr.Member is IField)
{
var field = (IField)mr.Member;
if (field.IsStatic)
{
expression = field.FullName;
}
else
{
member = field.Name;
}
}
else
{
return(null);
}
}
if (expression == null)
{
if (member == null)
{
return(null);
}
if (mr.TargetResult != null)
{
if (mr.TargetResult is LocalResolveResult)
{
expression = GetLocalExpression(editor, (LocalResolveResult)mr.TargetResult, expressionRegion);
}
else
{
var targetRegion = mr.TargetResult.GetDefinitionRegion();
if (targetRegion.BeginLine != 0 && targetRegion.BeginColumn != 0)
{
start = new DocumentLocation(targetRegion.BeginLine, targetRegion.BeginColumn);
end = new DocumentLocation(targetRegion.EndLine, targetRegion.EndColumn);
expression = ed.GetTextBetween(start, end).Trim();
}
}
}
if (!string.IsNullOrEmpty(expression))
{
expression += "." + member;
}
else
{
expression = member;
}
}
}
else if (res is NamedArgumentResolveResult)
{
// Fall through...
}
else if (res is ThisResolveResult)
{
// Fall through...
}
else if (res is TypeResolveResult)
{
// Fall through...
}
else
{
return(null);
}
if (expression == null)
{
expression = ed.GetTextBetween(start, end);
}
}
else
{
var data = editor.GetTextEditorData();
startOffset = data.FindCurrentWordStart(offset);
int endOffset = data.FindCurrentWordEnd(offset);
expression = ed.GetTextBetween(ed.OffsetToLocation(startOffset), ed.OffsetToLocation(endOffset));
}
if (string.IsNullOrEmpty(expression))
{
return(null);
}
ObjectValue val;
if (!cachedValues.TryGetValue(expression, out val))
{
val = frame.GetExpressionValue(expression, true);
cachedValues [expression] = val;
}
if (val == null || val.IsUnknown || val.IsNotSupported)
{
return(null);
}
val.Name = expression;
return(new TooltipItem(val, startOffset, length));
}
public override TooltipItem GetItem (TextEditor editor, int offset)
{
if (offset >= editor.Document.TextLength)
return null;
if (!DebuggingService.IsDebugging || DebuggingService.IsRunning)
return null;
StackFrame frame = DebuggingService.CurrentFrame;
if (frame == null)
return null;
var ed = (ExtensibleTextEditor) editor;
string expression = null;
int startOffset;
if (ed.IsSomethingSelected && offset >= ed.SelectionRange.Offset && offset <= ed.SelectionRange.EndOffset) {
startOffset = ed.SelectionRange.Offset;
expression = ed.SelectedText;
} else {
var doc = IdeApp.Workbench.ActiveDocument;
if (doc == null || doc.ParsedDocument == null)
return null;
var resolver = doc.GetContent<IDebuggerExpressionResolver> ();
var data = editor.GetTextEditorData ();
if (resolver != null) {
expression = resolver.ResolveExpression (data, doc, offset, out startOffset);
} else {
int endOffset = data.FindCurrentWordEnd (offset);
startOffset = data.FindCurrentWordStart (offset);
expression = data.GetTextAt (startOffset, endOffset - startOffset);
}
}
if (string.IsNullOrEmpty (expression))
return null;
ObjectValue val;
if (!cachedValues.TryGetValue (expression, out val)) {
var options = DebuggingService.DebuggerSession.EvaluationOptions.Clone ();
options.AllowMethodEvaluation = true;
options.AllowTargetInvoke = true;
val = frame.GetExpressionValue (expression, options);
cachedValues [expression] = val;
}
if (val == null || val.IsUnknown || val.IsNotSupported)
return null;
val.Name = expression;
return new TooltipItem (val, startOffset, expression.Length);
}
public override TooltipItem GetItem (TextEditor editor, int offset)
{
if (offset >= editor.Document.TextLength)
return null;
if (!DebuggingService.IsDebugging || DebuggingService.IsRunning)
return null;
StackFrame frame = DebuggingService.CurrentFrame;
if (frame == null)
return null;
var ed = (ExtensibleTextEditor) editor;
string expression = null;
int startOffset;
if (ed.IsSomethingSelected && offset >= ed.SelectionRange.Offset && offset <= ed.SelectionRange.EndOffset) {
startOffset = ed.SelectionRange.Offset;
expression = ed.SelectedText;
} else {
var doc = IdeApp.Workbench.ActiveDocument;
if (doc == null || doc.ParsedDocument == null)
return null;
ResolveResult result;
AstNode node;
var loc = editor.OffsetToLocation (offset);
if (!TryResolveAt (doc, loc, out result, out node))
return null;
expression = ResolveExpression (editor.GetTextEditorData (), result, node, out startOffset);
}
if (string.IsNullOrEmpty (expression))
return null;
ObjectValue val;
if (!cachedValues.TryGetValue (expression, out val)) {
val = frame.GetExpressionValue (expression, true);
cachedValues [expression] = val;
}
if (val == null || val.IsUnknown || val.IsNotSupported)
return null;
val.Name = expression;
return new TooltipItem (val, startOffset, expression.Length);
}
bool TextImplementor.AddSelection(int start_offset, int end_offset)
{
editor.GetTextEditorData().SetSelection(start_offset, end_offset);
return(true);
}
public override TooltipItem GetItem (TextEditor editor, int offset)
{
if (offset >= editor.Document.TextLength)
return null;
if (!DebuggingService.IsDebugging || DebuggingService.IsRunning)
return null;
StackFrame frame = DebuggingService.CurrentFrame;
if (frame == null)
return null;
var ed = (ExtensibleTextEditor)editor;
DomRegion expressionRegion;
string expression = null;
ResolveResult res;
int startOffset;
if (ed.IsSomethingSelected && offset >= ed.SelectionRange.Offset && offset <= ed.SelectionRange.EndOffset) {
startOffset = ed.SelectionRange.Offset;
expression = ed.SelectedText;
} else if ((res = ed.GetLanguageItem (offset, out expressionRegion)) != null && !res.IsError && res.GetType () != typeof (ResolveResult)) {
if (!TryResolveExpression (editor.GetTextEditorData (), res, expressionRegion, out expression))
return null;
startOffset = editor.LocationToOffset (new DocumentLocation (expressionRegion.BeginLine, expressionRegion.BeginColumn));
} else {
var data = editor.GetTextEditorData ();
startOffset = data.FindCurrentWordStart (offset);
int endOffset = data.FindCurrentWordEnd (offset);
expression = ed.GetTextBetween (ed.OffsetToLocation (startOffset), ed.OffsetToLocation (endOffset));
}
if (string.IsNullOrEmpty (expression))
return null;
ObjectValue val;
if (!cachedValues.TryGetValue (expression, out val)) {
val = frame.GetExpressionValue (expression, true);
cachedValues [expression] = val;
}
if (val == null || val.IsUnknown || val.IsNotSupported)
return null;
val.Name = expression;
return new TooltipItem (val, startOffset, expression.Length);
}
public override TooltipItem GetItem (TextEditor editor, int offset)
{
if (offset >= editor.Document.TextLength)
return null;
if (!DebuggingService.IsDebugging || DebuggingService.IsRunning)
return null;
StackFrame frame = DebuggingService.CurrentFrame;
if (frame == null)
return null;
var ed = (ExtensibleTextEditor)editor;
int startOffset = 0, length = 0;
DomRegion expressionRegion;
string expression = null;
ResolveResult res;
if (ed.IsSomethingSelected && offset >= ed.SelectionRange.Offset && offset <= ed.SelectionRange.EndOffset) {
expression = ed.SelectedText;
startOffset = ed.SelectionRange.Offset;
length = ed.SelectionRange.Length;
} else if ((res = ed.GetLanguageItem (offset, out expressionRegion)) != null && !res.IsError && res.GetType () != typeof (ResolveResult)) {
//Console.WriteLine ("res is a {0}", res.GetType ().Name);
if (expressionRegion.IsEmpty)
return null;
if (res is NamespaceResolveResult ||
res is ConversionResolveResult ||
res is ConstantResolveResult ||
res is ForEachResolveResult ||
res is TypeIsResolveResult ||
res is TypeOfResolveResult ||
res is ErrorResolveResult)
return null;
if (res.IsCompileTimeConstant)
return null;
var start = new DocumentLocation (expressionRegion.BeginLine, expressionRegion.BeginColumn);
var end = new DocumentLocation (expressionRegion.EndLine, expressionRegion.EndColumn);
startOffset = editor.Document.LocationToOffset (start);
int endOffset = editor.Document.LocationToOffset (end);
length = endOffset - startOffset;
if (res is LocalResolveResult) {
var lr = (LocalResolveResult) res;
// In a setter, the 'value' variable will have a begin line/column of 0,0 which is an undefined offset
if (lr.Variable.Region.BeginLine != 0 && lr.Variable.Region.BeginColumn != 0) {
// Use the start and end offsets of the variable region so that we get the "@" in variable names like "@class"
start = new DocumentLocation (lr.Variable.Region.BeginLine, lr.Variable.Region.BeginColumn);
end = new DocumentLocation (lr.Variable.Region.EndLine, lr.Variable.Region.EndColumn);
startOffset = editor.Document.LocationToOffset (start);
endOffset = editor.Document.LocationToOffset (end);
}
expression = ed.GetTextBetween (startOffset, endOffset).Trim ();
// Note: When the LocalResolveResult is a parameter, the Variable.Region includes the type
if (lr.IsParameter) {
int index = IndexOfLastWhiteSpace (expression);
if (index != -1)
expression = expression.Substring (index + 1);
}
length = expression.Length;
} else if (res is InvocationResolveResult) {
var ir = (InvocationResolveResult) res;
if (ir.Member.Name != ".ctor")
return null;
expression = ir.Member.DeclaringType.FullName;
} else if (res is MemberResolveResult) {
var mr = (MemberResolveResult) res;
if (mr.TargetResult == null) {
// User is hovering over a member definition...
if (mr.Member is IProperty) {
// Visual Studio will evaluate Properties if you hover over their definitions...
var prop = (IProperty) mr.Member;
if (prop.CanGet) {
if (prop.IsStatic)
expression = prop.FullName;
else
expression = prop.Name;
} else {
return null;
}
} else if (mr.Member is IField) {
var field = (IField) mr.Member;
if (field.IsStatic)
expression = field.FullName;
else
expression = field.Name;
} else {
return null;
}
}
// If the TargetResult is not null, then treat it like any other ResolveResult.
} else if (res is NamedArgumentResolveResult) {
// Fall through...
} else if (res is ThisResolveResult) {
// Fall through...
} else if (res is TypeResolveResult) {
// Fall through...
} else {
return null;
}
if (expression == null)
expression = ed.GetTextBetween (start, end);
} else {
var data = editor.GetTextEditorData ();
startOffset = data.FindCurrentWordStart (offset);
int endOffset = data.FindCurrentWordEnd (offset);
expression = ed.GetTextBetween (ed.OffsetToLocation (startOffset), ed.OffsetToLocation (endOffset));
}
if (string.IsNullOrEmpty (expression))
return null;
ObjectValue val;
if (!cachedValues.TryGetValue (expression, out val)) {
val = frame.GetExpressionValue (expression, true);
cachedValues [expression] = val;
}
if (val == null || val.IsUnknown || val.IsNotSupported)
return null;
val.Name = expression;
return new TooltipItem (val, startOffset, length);
}
public override TooltipItem GetItem(TextEditor editor, int offset)
{
if (offset >= editor.Document.TextLength)
{
return(null);
}
if (!DebuggingService.IsDebugging || DebuggingService.IsRunning)
{
return(null);
}
StackFrame frame = DebuggingService.CurrentFrame;
if (frame == null)
{
return(null);
}
var ed = (ExtensibleTextEditor)editor;
string expression = null;
int startOffset;
if (ed.IsSomethingSelected && offset >= ed.SelectionRange.Offset && offset <= ed.SelectionRange.EndOffset)
{
startOffset = ed.SelectionRange.Offset;
expression = ed.SelectedText;
}
else
{
var doc = IdeApp.Workbench.ActiveDocument;
if (doc == null || doc.ParsedDocument == null)
{
return(null);
}
var resolver = doc.GetContent <IDebuggerExpressionResolver> ();
var data = editor.GetTextEditorData();
if (resolver != null)
{
expression = resolver.ResolveExpression(data, doc, offset, out startOffset);
}
else
{
int endOffset = data.FindCurrentWordEnd(offset);
startOffset = data.FindCurrentWordStart(offset);
expression = data.GetTextAt(startOffset, endOffset - startOffset);
}
}
if (string.IsNullOrEmpty(expression))
{
return(null);
}
ObjectValue val;
if (!cachedValues.TryGetValue(expression, out val))
{
val = frame.GetExpressionValue(expression, true);
cachedValues [expression] = val;
}
if (val == null || val.IsUnknown || val.IsNotSupported)
{
return(null);
}
val.Name = expression;
return(new TooltipItem(val, startOffset, expression.Length));
}
CaretPosition ITextCaret.MoveToPreferredCoordinates()
{
TextEditor.GetTextEditorData().FixVirtualIndentation();
return(((ITextCaret)this).Position);
}
public override TooltipItem GetItem(TextEditor editor, int offset)
{
if (offset >= editor.Document.TextLength)
{
return(null);
}
if (!DebuggingService.IsDebugging || DebuggingService.IsRunning)
{
return(null);
}
StackFrame frame = DebuggingService.CurrentFrame;
if (frame == null)
{
return(null);
}
var ed = (ExtensibleTextEditor)editor;
int startOffset = 0, length = 0;
DomRegion expressionRegion;
string expression = null;
ResolveResult res;
if (ed.IsSomethingSelected && offset >= ed.SelectionRange.Offset && offset <= ed.SelectionRange.EndOffset)
{
expression = ed.SelectedText;
startOffset = ed.SelectionRange.Offset;
length = ed.SelectionRange.Length;
}
else if ((res = ed.GetLanguageItem(offset, out expressionRegion)) != null && !res.IsError && res.GetType() != typeof(ResolveResult))
{
//Console.WriteLine ("res is a {0}", res.GetType ().Name);
if (expressionRegion.IsEmpty)
{
return(null);
}
if (res is NamespaceResolveResult ||
res is ConversionResolveResult ||
res is ConstantResolveResult ||
res is ForEachResolveResult ||
res is TypeIsResolveResult ||
res is TypeOfResolveResult ||
res is ErrorResolveResult)
{
return(null);
}
if (res.IsCompileTimeConstant)
{
return(null);
}
var start = new DocumentLocation(expressionRegion.BeginLine, expressionRegion.BeginColumn);
var end = new DocumentLocation(expressionRegion.EndLine, expressionRegion.EndColumn);
startOffset = editor.Document.LocationToOffset(start);
int endOffset = editor.Document.LocationToOffset(end);
length = endOffset - startOffset;
if (res is LocalResolveResult)
{
var lr = (LocalResolveResult)res;
// In a setter, the 'value' variable will have a begin line/column of 0,0 which is an undefined offset
if (lr.Variable.Region.BeginLine != 0 && lr.Variable.Region.BeginColumn != 0)
{
// Use the start and end offsets of the variable region so that we get the "@" in variable names like "@class"
start = new DocumentLocation(lr.Variable.Region.BeginLine, lr.Variable.Region.BeginColumn);
end = new DocumentLocation(lr.Variable.Region.EndLine, lr.Variable.Region.EndColumn);
startOffset = editor.Document.LocationToOffset(start);
endOffset = editor.Document.LocationToOffset(end);
}
expression = ed.GetTextBetween(startOffset, endOffset).Trim();
// Note: When the LocalResolveResult is a parameter, the Variable.Region includes the type
if (lr.IsParameter)
{
int index = IndexOfLastWhiteSpace(expression);
if (index != -1)
{
expression = expression.Substring(index + 1);
}
}
length = expression.Length;
}
else if (res is InvocationResolveResult)
{
var ir = (InvocationResolveResult)res;
if (ir.Member.Name != ".ctor")
{
return(null);
}
expression = ir.Member.DeclaringType.FullName;
}
else if (res is MemberResolveResult)
{
var mr = (MemberResolveResult)res;
if (mr.TargetResult == null)
{
// User is hovering over a member definition...
if (mr.Member is IProperty)
{
// Visual Studio will evaluate Properties if you hover over their definitions...
var prop = (IProperty)mr.Member;
if (prop.CanGet)
{
if (prop.IsStatic)
{
expression = prop.FullName;
}
else
{
expression = prop.Name;
}
}
else
{
return(null);
}
}
else if (mr.Member is IField)
{
var field = (IField)mr.Member;
if (field.IsStatic)
{
expression = field.FullName;
}
else
{
expression = field.Name;
}
}
else
{
return(null);
}
}
// If the TargetResult is not null, then treat it like any other ResolveResult.
}
else if (res is NamedArgumentResolveResult)
{
// Fall through...
}
else if (res is ThisResolveResult)
{
// Fall through...
}
else if (res is TypeResolveResult)
{
// Fall through...
}
else
{
return(null);
}
if (expression == null)
{
expression = ed.GetTextBetween(start, end);
}
}
else
{
var data = editor.GetTextEditorData();
startOffset = data.FindCurrentWordStart(offset);
int endOffset = data.FindCurrentWordEnd(offset);
expression = ed.GetTextBetween(ed.OffsetToLocation(startOffset), ed.OffsetToLocation(endOffset));
}
if (string.IsNullOrEmpty(expression))
{
return(null);
}
ObjectValue val;
if (!cachedValues.TryGetValue(expression, out val))
{
val = frame.GetExpressionValue(expression, true);
cachedValues [expression] = val;
}
if (val == null || val.IsUnknown || val.IsNotSupported)
{
return(null);
}
val.Name = expression;
return(new TooltipItem(val, startOffset, length));
}
