// Binds this pending breakpoint to one or more code locations.
int IDebugPendingBreakpoint2.Bind()
{
try
{
if (CanBind())
{
IDebugDocumentPosition2 docPosition = (IDebugDocumentPosition2)(Marshal.GetObjectForIUnknown(m_bpRequestInfo.bpLocation.unionmember2));
// Get the name of the document that the breakpoint was put in
string documentName;
EngineUtils.CheckOk(docPosition.GetFileName(out documentName));
// Get the location in the document that the breakpoint is in.
TEXT_POSITION[] startPosition = new TEXT_POSITION[1];
TEXT_POSITION[] endPosition = new TEXT_POSITION[1];
EngineUtils.CheckOk(docPosition.GetRange(startPosition, endPosition));
// Ask the symbol engine to find all addresses in all modules with symbols that match this source and line number.
uint[] addresses = m_engine.DebuggedProcess.GetAddressesForSourceLocation(null,
documentName,
startPosition[0].dwLine + 1,
startPosition[0].dwColumn);
lock (m_boundBreakpoints)
{
foreach (uint addr in addresses)
{
AD7BreakpointResolution breakpointResolution = new AD7BreakpointResolution(m_engine, addr, GetDocumentContext(addr));
AD7BoundBreakpoint boundBreakpoint = new AD7BoundBreakpoint(m_engine, addr, this, breakpointResolution);
m_boundBreakpoints.Add(boundBreakpoint);
m_engine.DebuggedProcess.SetBreakpoint(addr, boundBreakpoint);
}
}
return(Constants.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(Constants.S_FALSE);
}
}
catch (ComponentException e)
{
return(e.HResult);
}
catch (Exception e)
{
return(EngineUtils.UnexpectedException(e));
}
}
public AD7PendingBreakpoint(IDebugBreakpointRequest2 pBPRequest, AD7Engine engine, BreakpointManager bpManager)
{
m_pBPRequest = pBPRequest;
BP_REQUEST_INFO[] requestInfo = new BP_REQUEST_INFO[1];
EngineUtils.CheckOk(m_pBPRequest.GetRequestInfo(enum_BPREQI_FIELDS.BPREQI_BPLOCATION, requestInfo));
m_bpRequestInfo = requestInfo[0];
m_engine = engine;
m_bpManager = bpManager;
m_boundBreakpoints = new System.Collections.Generic.List <AD7BoundBreakpoint>();
m_enabled = true;
m_deleted = false;
}
// Get the document context for this pending breakpoint. A document context is a abstract representation of a source file
// location.
public AD7DocumentContext GetDocumentContext(uint address)
{
IDebugDocumentPosition2 docPosition = (IDebugDocumentPosition2)(Marshal.GetObjectForIUnknown(m_bpRequestInfo.bpLocation.unionmember2));
string documentName;
EngineUtils.CheckOk(docPosition.GetFileName(out documentName));
// Get the location in the document that the breakpoint is in.
TEXT_POSITION[] startPosition = new TEXT_POSITION[1];
TEXT_POSITION[] endPosition = new TEXT_POSITION[1];
EngineUtils.CheckOk(docPosition.GetRange(startPosition, endPosition));
AD7MemoryAddress codeContext = new AD7MemoryAddress(m_engine, address);
return(new AD7DocumentContext(documentName, startPosition[0], startPosition[0], codeContext));
}