// Gets the code context for this stack frame. The code context represents the current instruction pointer in this stack frame.
int IDebugStackFrame2.GetCodeContext(out IDebugCodeContext2 memoryAddress)
{
memoryAddress = new AD7MemoryAddress(_engine, _stackFrame.FileName, (uint)_stackFrame.LineNo, _stackFrame);
return(VSConstants.S_OK);
}
// Adds a specified value to the current context's address to create a new context.
public int Add(ulong dwCount, out IDebugMemoryContext2 newAddress)
{
newAddress = new AD7MemoryAddress(_engine, _filename, (uint)dwCount + _lineNo);
return(VSConstants.S_OK);
}
// Compares the memory context to each context in the given array in the manner indicated by compare flags,
// returning an index of the first context that matches.
public int Compare(enum_CONTEXT_COMPARE uContextCompare, IDebugMemoryContext2[] compareToItems, uint compareToLength, out uint foundIndex)
{
foundIndex = uint.MaxValue;
enum_CONTEXT_COMPARE contextCompare = (enum_CONTEXT_COMPARE)uContextCompare;
for (uint c = 0; c < compareToLength; c++)
{
AD7MemoryAddress compareTo = compareToItems[c] as AD7MemoryAddress;
if (compareTo == null)
{
continue;
}
if (!AD7Engine.ReferenceEquals(_engine, compareTo._engine))
{
continue;
}
bool result;
switch (contextCompare)
{
case enum_CONTEXT_COMPARE.CONTEXT_EQUAL:
result = (_lineNo == compareTo._lineNo);
break;
case enum_CONTEXT_COMPARE.CONTEXT_LESS_THAN:
result = (_lineNo < compareTo._lineNo);
break;
case enum_CONTEXT_COMPARE.CONTEXT_GREATER_THAN:
result = (_lineNo > compareTo._lineNo);
break;
case enum_CONTEXT_COMPARE.CONTEXT_LESS_THAN_OR_EQUAL:
result = (_lineNo <= compareTo._lineNo);
break;
case enum_CONTEXT_COMPARE.CONTEXT_GREATER_THAN_OR_EQUAL:
result = (_lineNo >= compareTo._lineNo);
break;
case enum_CONTEXT_COMPARE.CONTEXT_SAME_SCOPE:
case enum_CONTEXT_COMPARE.CONTEXT_SAME_FUNCTION:
if (_frame != null)
{
result = compareTo._filename == _filename && (compareTo._lineNo + 1) >= _frame.StartLine && (compareTo._lineNo + 1) <= _frame.EndLine;
}
else if (compareTo._frame != null)
{
result = compareTo._filename == _filename && (_lineNo + 1) >= compareTo._frame.StartLine && (compareTo._lineNo + 1) <= compareTo._frame.EndLine;
}
else
{
result = _lineNo == compareTo._lineNo && _filename == compareTo._filename;
}
break;
case enum_CONTEXT_COMPARE.CONTEXT_SAME_MODULE:
result = _filename == compareTo._filename;
break;
case enum_CONTEXT_COMPARE.CONTEXT_SAME_PROCESS:
result = true;
break;
default:
// A new comparison was invented that we don't support
return(VSConstants.E_NOTIMPL);
}
if (result)
{
foundIndex = c;
return(VSConstants.S_OK);
}
}
return(VSConstants.S_FALSE);
}
// Subtracts a specified value from the current context's address to create a new context.
public int Subtract(ulong dwCount, out IDebugMemoryContext2 ppMemCxt)
{
ppMemCxt = new AD7MemoryAddress(_engine, _filename, (uint)dwCount - _lineNo);
return(VSConstants.S_OK);
}
