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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
using System;
using System.Collections.Generic;
using System.Text;
using ICSharpCode.NRefactory;
using ILSpy.Debugger.Bookmarks;
namespace ILSpy.Debugger.Services
{
public static class DebuggerService
{
static IDebugger currentDebugger;
static DebuggerService()
{
BookmarkManager.Added += BookmarkAdded;
BookmarkManager.Removed += BookmarkRemoved;
}
static IDebugger GetCompatibleDebugger()
{
return new WindowsDebugger();
}
/// <summary>
/// Gets the current debugger. The debugger addin is loaded on demand; so if you
/// just want to check a property like IsDebugging, check <see cref="IsDebuggerLoaded"/>
/// before using this property.
/// </summary>
public static IDebugger CurrentDebugger {
get {
if (currentDebugger == null) {
currentDebugger = GetCompatibleDebugger();
currentDebugger.DebugStarting += new EventHandler(OnDebugStarting);
currentDebugger.DebugStarted += new EventHandler(OnDebugStarted);
currentDebugger.DebugStopped += new EventHandler(OnDebugStopped);
}
return currentDebugger;
}
}
/// <summary>
/// Returns true if debugger is already loaded.
/// </summary>
public static bool IsDebuggerLoaded {
get {
return currentDebugger != null;
}
}
static bool debuggerStarted;
/// <summary>
/// Gets whether the debugger is currently active.
/// </summary>
public static bool IsDebuggerStarted {
get { return debuggerStarted; }
}
public static event EventHandler DebugStarting;
public static event EventHandler DebugStarted;
public static event EventHandler DebugStopped;
static void OnDebugStarting(object sender, EventArgs e)
{
ClearDebugMessages();
if (DebugStarting != null)
DebugStarting(null, e);
}
static void OnDebugStarted(object sender, EventArgs e)
{
debuggerStarted = true;
if (DebugStarted != null)
DebugStarted(null, e);
}
static void OnDebugStopped(object sender, EventArgs e)
{
debuggerStarted = false;
RemoveCurrentLineMarker();
if (DebugStopped != null)
DebugStopped(null, e);
}
public static void ClearDebugMessages()
{
}
public static void PrintDebugMessage(string msg)
{
}
public static event EventHandler<BreakpointBookmarkEventArgs> BreakPointChanged;
public static event EventHandler<BreakpointBookmarkEventArgs> BreakPointAdded;
public static event EventHandler<BreakpointBookmarkEventArgs> BreakPointRemoved;
static void OnBreakPointChanged(BreakpointBookmarkEventArgs e)
{
if (BreakPointChanged != null) {
BreakPointChanged(null, e);
}
}
static void OnBreakPointAdded(BreakpointBookmarkEventArgs e)
{
if (BreakPointAdded != null) {
BreakPointAdded(null, e);
}
}
static void OnBreakPointRemoved(BreakpointBookmarkEventArgs e)
{
if (BreakPointRemoved != null) {
BreakPointRemoved(null, e);
}
}
public static IList<BreakpointBookmark> Breakpoints {
get {
List<BreakpointBookmark> breakpoints = new List<BreakpointBookmark>();
foreach (var bookmark in BookmarkManager.Bookmarks) {
BreakpointBookmark breakpoint = bookmark as BreakpointBookmark;
if (breakpoint != null) {
breakpoints.Add(breakpoint);
}
}
return breakpoints.AsReadOnly();
}
}
static void BookmarkAdded(object sender, BookmarkEventArgs e)
{
BreakpointBookmark bb = e.Bookmark as BreakpointBookmark;
if (bb != null) {
OnBreakPointAdded(new BreakpointBookmarkEventArgs(bb));
}
}
static void BookmarkRemoved(object sender, BookmarkEventArgs e)
{
BreakpointBookmark bb = e.Bookmark as BreakpointBookmark;
if (bb != null) {
OnBreakPointRemoved(new BreakpointBookmarkEventArgs(bb));
}
}
static void BookmarkChanged(object sender, EventArgs e)
{
BreakpointBookmark bb = sender as BreakpointBookmark;
if (bb != null) {
OnBreakPointChanged(new BreakpointBookmarkEventArgs(bb));
}
}
public static void ToggleBreakpointAt(string typeName, int lineNumber)
{
BookmarkManager.ToggleBookmark(
typeName, lineNumber,
b => b.CanToggle && b is BreakpointBookmark,
location => new BreakpointBookmark(typeName, location, BreakpointAction.Break));
}
/* TODO: reimplement this stuff
static void ViewContentOpened(object sender, ViewContentEventArgs e)
{
textArea.IconBarMargin.MouseDown += IconBarMouseDown;
textArea.ToolTipRequest += TextAreaToolTipRequest;
textArea.MouseLeave += TextAreaMouseLeave;
}*/
public static void RemoveCurrentLineMarker()
{
CurrentLineBookmark.Remove();
}
public static void JumpToCurrentLine(string SourceFullFilename, int StartLine, int StartColumn, int EndLine, int EndColumn)
{
// IViewContent viewContent = FileService.OpenFile(SourceFullFilename);
// if (viewContent is ITextEditorProvider)
// ((ITextEditorProvider)viewContent).TextEditor.JumpTo(StartLine, StartColumn);
// CurrentLineBookmark.SetPosition(viewContent, StartLine, StartColumn, EndLine, EndColumn);
}
#region Tool tips
/// <summary>
/// Gets debugger tooltip information for the specified position.
/// A descriptive string for the element or a DebuggerTooltipControl
/// showing its current value (when in debugging mode) can be returned
/// through the ToolTipRequestEventArgs.SetTooltip() method.
/// </summary>
// internal static void HandleToolTipRequest(ToolTipRequestEventArgs e)
// {
// if (!e.InDocument)
// return;
// Location logicPos = e.LogicalPosition;
// var doc = e.Editor.Document;
// IExpressionFinder expressionFinder = ParserService.GetExpressionFinder(e.Editor.FileName);
// if (expressionFinder == null)
// return;
// var currentLine = doc.GetLine(logicPos.Y);
// if (logicPos.X > currentLine.Length)
// return;
// string textContent = doc.Text;
// ExpressionResult expressionResult = expressionFinder.FindFullExpression(textContent, doc.PositionToOffset(logicPos.Line, logicPos.Column));
// string expression = (expressionResult.Expression ?? "").Trim();
// if (expression.Length > 0) {
// // Look if it is variable
// ResolveResult result = ParserService.Resolve(expressionResult, logicPos.Y, logicPos.X, e.Editor.FileName, textContent);
// bool debuggerCanShowValue;
// string toolTipText = GetText(result, expression, out debuggerCanShowValue);
// if (Control.ModifierKeys == Keys.Control) {
// toolTipText = "expr: " + expressionResult.ToString() + "\n" + toolTipText;
// debuggerCanShowValue = false;
// }
// if (toolTipText != null) {
// if (debuggerCanShowValue && currentDebugger != null) {
// object toolTip = currentDebugger.GetTooltipControl(e.LogicalPosition, expressionResult.Expression);
// if (toolTip != null)
// e.SetToolTip(toolTip);
// else
// e.SetToolTip(toolTipText);
// } else {
// e.SetToolTip(toolTipText);
// }
// }
// } else {
// #if DEBUG
// if (Control.ModifierKeys == Keys.Control) {
// e.SetToolTip("no expr: " + expressionResult.ToString());
// }
// #endif
// }
// }
//
// static string GetText(ResolveResult result, string expression, out bool debuggerCanShowValue)
// {
// debuggerCanShowValue = false;
// if (result == null) {
// // when pressing control, show the expression even when it could not be resolved
// return (Control.ModifierKeys == Keys.Control) ? "" : null;
// }
// if (result is MixedResolveResult)
// return GetText(((MixedResolveResult)result).PrimaryResult, expression, out debuggerCanShowValue);
// else if (result is DelegateCallResolveResult)
// return GetText(((DelegateCallResolveResult)result).Target, expression, out debuggerCanShowValue);
//
// IAmbience ambience = AmbienceService.GetCurrentAmbience();
// ambience.ConversionFlags = ConversionFlags.StandardConversionFlags | ConversionFlags.UseFullyQualifiedMemberNames;
// if (result is MemberResolveResult) {
// return GetMemberText(ambience, ((MemberResolveResult)result).ResolvedMember, expression, out debuggerCanShowValue);
// } else if (result is LocalResolveResult) {
// LocalResolveResult rr = (LocalResolveResult)result;
// ambience.ConversionFlags = ConversionFlags.UseFullyQualifiedTypeNames
// | ConversionFlags.ShowReturnType | ConversionFlags.ShowDefinitionKeyWord;
// StringBuilder b = new StringBuilder();
// if (rr.IsParameter)
// b.Append("parameter ");
// else
// b.Append("local variable ");
// b.Append(ambience.Convert(rr.Field));
// if (currentDebugger != null) {
// string currentValue = currentDebugger.GetValueAsString(rr.VariableName);
// if (currentValue != null) {
// debuggerCanShowValue = true;
// b.Append(" = ");
// if (currentValue.Length > 256)
// currentValue = currentValue.Substring(0, 256) + "...";
// b.Append(currentValue);
// }
// }
// return b.ToString();
// } else if (result is NamespaceResolveResult) {
// return "namespace " + ((NamespaceResolveResult)result).Name;
// } else if (result is TypeResolveResult) {
// IClass c = ((TypeResolveResult)result).ResolvedClass;
// if (c != null)
// return GetMemberText(ambience, c, expression, out debuggerCanShowValue);
// else
// return ambience.Convert(result.ResolvedType);
// } else if (result is MethodGroupResolveResult) {
// MethodGroupResolveResult mrr = result as MethodGroupResolveResult;
// IMethod m = mrr.GetMethodIfSingleOverload();
// IMethod m2 = mrr.GetMethodWithEmptyParameterList();
// if (m != null)
// return GetMemberText(ambience, m, expression, out debuggerCanShowValue);
// else if (ambience is VBNetAmbience && m2 != null)
// return GetMemberText(ambience, m2, expression, out debuggerCanShowValue);
// else
// return "Overload of " + ambience.Convert(mrr.ContainingType) + "." + mrr.Name;
// } else {
// if (Control.ModifierKeys == Keys.Control) {
// if (result.ResolvedType != null)
// return "expression of type " + ambience.Convert(result.ResolvedType);
// else
// return "ResolveResult without ResolvedType";
// } else {
// return null;
// }
// }
// }
//
// static string GetMemberText(IAmbience ambience, IEntity member, string expression, out bool debuggerCanShowValue)
// {
// bool tryDisplayValue = false;
// debuggerCanShowValue = false;
// StringBuilder text = new StringBuilder();
// if (member is IField) {
// text.Append(ambience.Convert(member as IField));
// tryDisplayValue = true;
// } else if (member is IProperty) {
// text.Append(ambience.Convert(member as IProperty));
// tryDisplayValue = true;
// } else if (member is IEvent) {
// text.Append(ambience.Convert(member as IEvent));
// } else if (member is IMethod) {
// text.Append(ambience.Convert(member as IMethod));
// } else if (member is IClass) {
// text.Append(ambience.Convert(member as IClass));
// } else {
// text.Append("unknown member ");
// text.Append(member.ToString());
// }
// if (tryDisplayValue && currentDebugger != null) {
// LoggingService.Info("asking debugger for value of '" + expression + "'");
// string currentValue = currentDebugger.GetValueAsString(expression);
// if (currentValue != null) {
// debuggerCanShowValue = true;
// text.Append(" = ");
// text.Append(currentValue);
// }
// }
// string documentation = member.Documentation;
// if (documentation != null && documentation.Length > 0) {
// text.Append('\n');
// text.Append(ICSharpCode.SharpDevelop.Editor.CodeCompletion.CodeCompletionItem.ConvertDocumentation(documentation));
// }
// return text.ToString();
// }
#endregion
}
/// <summary>
/// Provides the default debugger tooltips on the text area.
/// </summary>
/// <remarks>
/// This class must be public because it is accessed via the AddInTree.
/// </remarks>
// public class DebuggerTextAreaToolTipProvider : ITextAreaToolTipProvider
// {
// public void HandleToolTipRequest(ToolTipRequestEventArgs e)
// {
// DebuggerService.HandleToolTipRequest(e);
// }
// }
}