public MonoDocumentContext(string fileName, TEXT_POSITION start, TEXT_POSITION end, MonoMemoryAddress address)
{
_fileName = fileName;
_start = start;
_end = end;
_address = address;
}
public MonoDocumentContext GetDocumentContext(uint address)
{
TEXT_POSITION[] startPosition;
TEXT_POSITION[] endPosition;
var documentName = _breakpointManager.Engine.GetLocationInfo(_requestInfo.bpLocation.unionmember2,
out startPosition,
out endPosition);
var codeContext = new MonoMemoryAddress(_breakpointManager.Engine, address, null);
return(new MonoDocumentContext(documentName, startPosition[0], endPosition[0], codeContext));
}
/// <summary>
/// Gets the code context for this stack frame. The code context represents the current instruction pointer in this
/// stack frame.
/// </summary>
/// <param name="memoryAddress">The memory address.</param>
/// <returns>If successful, returns S_OK; otherwise, returns an error code.</returns>
public int GetCodeContext(out IDebugCodeContext2 memoryAddress)
{
memoryAddress = null;
try
{
memoryAddress = new MonoMemoryAddress(_engine, (uint)_frame().Address, null);
return(S_OK);
}
catch (ComponentException e)
{
return(e.HResult);
}
catch (Exception e)
{
return(EngineUtils.UnexpectedException(e));
}
}
/// <summary>
/// Gets the breakpoint resolution information that describes this breakpoint.
/// </summary>
/// <param name="fields">The fields.</param>
/// <param name="resolutionInfo">The resolution information.</param>
/// <returns>If successful, returns S_OK; otherwise, returns an error code.</returns>
public int GetResolutionInfo(enum_BPRESI_FIELDS fields, BP_RESOLUTION_INFO[] resolutionInfo)
{
if ((fields & enum_BPRESI_FIELDS.BPRESI_BPRESLOCATION) != 0)
{
// The sample engine only supports code breakpoints.
var location = new BP_RESOLUTION_LOCATION {
bpType = (uint)enum_BP_TYPE.BPT_CODE
};
// The debugger will not QI the IDebugCodeContex2 interface returned here. We must pass the pointer
// to IDebugCodeContex2 and not IUnknown.
var codeContext = new MonoMemoryAddress(_engine, _address, _documentContext);
location.unionmember1 = Marshal.GetComInterfaceForObject(codeContext, typeof(IDebugCodeContext2));
resolutionInfo[0].bpResLocation = location;
resolutionInfo[0].dwFields |= enum_BPRESI_FIELDS.BPRESI_BPRESLOCATION;
}
return(S_OK);
}
/// <summary>
/// Adds a specified value to the current context's address to create a new context.
/// </summary>
/// <param name="dwCount">The count.</param>
/// <param name="newAddress">The new address.</param>
/// <returns>If successful, returns S_OK; otherwise, returns an error code.</returns>
public int Add(ulong dwCount, out IDebugMemoryContext2 newAddress)
{
newAddress = new MonoMemoryAddress(_engine, (uint)dwCount + _address, _documentContext);
return(S_OK);
}
/// <summary>
/// Subtracts a specified value from the current context's address to create a new context.
/// </summary>
/// <param name="dwCount">The count.</param>
/// <param name="ppMemCxt">The memory context.</param>
/// <returns>If successful, returns S_OK; otherwise, returns an error code.</returns>
public int Subtract(ulong dwCount, out IDebugMemoryContext2 ppMemCxt)
{
ppMemCxt = new MonoMemoryAddress(_engine, (uint)dwCount - _address, _documentContext);
return(S_OK);
}