// 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));
}
}
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);
}