Ejemplo n.º 1
0
        // Binds this pending breakpoint to one or more code locations.
        int IDebugPendingBreakpoint2.Bind()
        {
            try
            {
                if (CanBind())
                {
                    var xDocPos = (IDebugDocumentPosition2)(Marshal.GetObjectForIUnknown(mBpRequestInfo.bpLocation.unionmember2));

                    // Get the name of the document that the breakpoint was put in
                    string xDocName;
                    EngineUtils.CheckOk(xDocPos.GetFileName(out xDocName));
                    xDocName = xDocName.ToLower(); //Bug: Some filenames were returned with the drive letter as lower case but in DocumentGUIDs it was captialised so file-not-found!

                    // Get the location in the document that the breakpoint is in.
                    var xStartPos = new TEXT_POSITION[1];
                    var xEndPos   = new TEXT_POSITION[1];
                    EngineUtils.CheckOk(xDocPos.GetRange(xStartPos, xEndPos));

                    uint xAddress   = 0;
                    var  xDebugInfo = mEngine.mProcess.mDebugInfoDb;

                    // We must check for DocID. This is important because in a solution that contains many projects,
                    // VS will send us BPs from other Cosmos projects (and possibly non Cosmos ones, didnt look that deep)
                    // but we wont have them in our doc list because it contains only ones from the currently project
                    // to run.
                    long xDocID;
                    if (xDebugInfo.DocumentGUIDs.TryGetValue(xDocName, out xDocID))
                    {
                        // Find which Method the Doc, Line, Col are in.
                        // Must add +1 for both Line and Col. They are 0 based, while SP ones are 1 based.
                        // () around << are VERY important.. + has precedence over <<
                        long xPos = (((long)xStartPos[0].dwLine + 1) << 32) + xStartPos[0].dwColumn + 1;

                        try
                        {
                            var xMethod = xDebugInfo.GetMethodByDocumentIDAndLinePosition(xDocID, xPos, xPos);
                            var asm     = xDebugInfo.GetAssemblyFileById(xMethod.AssemblyFileID);

                            // We have the method. Now find out what Sequence Point it belongs to.
                            var xSPs = xDebugInfo.GetSequencePoints(asm.Pathname, xMethod.MethodToken);
                            var xSP  = xSPs.Single(q => q.LineColStart <= xPos && q.LineColEnd >= xPos);

                            // We have the Sequence Point, find the MethodILOp
                            var xOp = xDebugInfo.GetFirstMethodIlOpByMethodIdAndILOffset(xMethod.ID, xSP.Offset);

                            // Get the address of the Label
                            xAddress = xDebugInfo.GetAddressOfLabel(xOp.LabelName);


                            if (xAddress > 0)
                            {
                                var xBPR = new AD7BreakpointResolution(mEngine, xAddress, GetDocumentContext(xAddress));
                                var xBBP = new AD7BoundBreakpoint(mEngine, xAddress, this, xBPR);
                                mBoundBPs.Add(xBBP);
                            }

                            // Ask the symbol engine to find all addresses in all modules with symbols that match this source and line number.
                            //uint[] addresses = mEngine.DebuggedProcess.GetAddressesForSourceLocation(null, documentName, startPosition[0].dwLine + 1, startPosition[0].dwColumn);
                            lock (mBoundBPs)
                            {
                                //foreach (uint addr in addresses) {
                                //    AD7BreakpointResolution breakpointResolution = new AD7BreakpointResolution(mEngine, addr, GetDocumentContext(addr));
                                //    AD7BoundBreakpoint boundBreakpoint = new AD7BoundBreakpoint(mEngine, addr, this, breakpointResolution);
                                //    m_boundBreakpoints.Add(boundBreakpoint);
                                //    mEngine.DebuggedProcess.SetBreakpoint(addr, boundBreakpoint);
                                //}
                            }
                        }
                        catch (InvalidOperationException)
                        {
                            //No elements in potXMethods sequence!
                            return(VSConstants.S_FALSE);
                        }
                    }
                    return(VSConstants.S_OK);
                }
                else
                {
                    // The breakpoint could not be bound. This may occur for many reasons such as an invalid location, an invalid expression, etc...
                    // The sample engine does not support this, but a real world engine will want to send an instance of IDebugBreakpointErrorEvent2 to the
                    // UI and return a valid instance of IDebugErrorBreakpoint2 from IDebugPendingBreakpoint2::EnumErrorBreakpoints. The debugger will then
                    // display information about why the breakpoint did not bind to the user.
                    return(VSConstants.S_FALSE);
                }
            }
            //catch (ComponentException e)
            //{
            //    return e.HResult;
            //}
            catch (Exception e)
            {
                return(EngineUtils.UnexpectedException(e));
            }
        }
Ejemplo n.º 2
0
 public AD7BoundBreakpoint(AD7Engine aEngine, uint aAddress, AD7PendingBreakpoint aPendingBP, AD7BreakpointResolution breakpointResolution)
 {
     mEngine                = aEngine;
     mAddress               = aAddress;
     m_pendingBreakpoint    = aPendingBP;
     m_breakpointResolution = breakpointResolution;
     mRemoteID              = mEngine.BPMgr.RemoteEnable(this);
 }