int PyType::code() const
{
if (!m_resolved)
return TypeCodeUnresolvable;
if (m_tag < 0) {
// try to parse typeName
const std::string &typeName = name();
if (typeName.empty())
return TypeCodeUnresolvable;
if (isPointerType(typeName))
return TypeCodePointer;
if (isArrayType(typeName))
return TypeCodeArray;
if (typeName.find("<function>") == 0)
return TypeCodeFunction;
if (isIntegralType(typeName))
return TypeCodeIntegral;
if (isFloatType(typeName))
return TypeCodeFloat;
IDebugSymbolGroup2 *sg = 0;
if (FAILED(ExtensionCommandContext::instance()->symbols()->CreateSymbolGroup2(&sg)))
return TypeCodeStruct;
if (knownType(name(), 0) != KT_Unknown)
return TypeCodeStruct;
const std::string helperValueName = SymbolGroupValue::pointedToSymbolName(0, name(true));
ULONG index = DEBUG_ANY_ID;
if (SUCCEEDED(sg->AddSymbol(helperValueName.c_str(), &index)))
m_tag = PyValue(index, sg).tag();
sg->Release();
}
switch (m_tag) {
case SymTagUDT: return TypeCodeStruct;
case SymTagEnum: return TypeCodeEnum;
case SymTagTypedef: return TypeCodeTypedef;
case SymTagFunctionType: return TypeCodeFunction;
case SymTagPointerType: return TypeCodePointer;
case SymTagArrayType: return TypeCodeArray;
case SymTagBaseType: return isIntegralType(name()) ? TypeCodeIntegral : TypeCodeFloat;
default: break;
}
return TypeCodeStruct;
}
// cdbext python module
static PyObject *cdbext_parseAndEvaluate(PyObject *, PyObject *args) // -> Value
{
char *expr;
if (!PyArg_ParseTuple(args, "s", &expr))
Py_RETURN_NONE;
if (debugPyCdbextModule)
DebugPrint() << "evaluate expression: " << expr;
CIDebugControl *control = ExtensionCommandContext::instance()->control();
ULONG oldExpressionSyntax;
control->GetExpressionSyntax(&oldExpressionSyntax);
control->SetExpressionSyntax(DEBUG_EXPR_CPLUSPLUS);
IDebugSymbolGroup2 *symbolGroup = CurrentSymbolGroup::get();
ULONG index = DEBUG_ANY_ID;
HRESULT hr = symbolGroup->AddSymbol(expr, &index);
control->SetExpressionSyntax(oldExpressionSyntax);
if (FAILED(hr))
Py_RETURN_NONE;
return createPythonObject(PyValue(index, symbolGroup));
}
static PyObject *cdbext_call(PyObject *, PyObject *args)
{
char *function;
if (!PyArg_ParseTuple(args, "s", &function))
return NULL;
std::wstring woutput;
std::string error;
if (!ExtensionContext::instance().call(function, 0, &woutput, &error)) {
DebugPrint() << "Failed to call function '" << function << "' error: " << error;
Py_RETURN_NONE;
}
CIDebugRegisters *registers = ExtensionCommandContext::instance()->registers();
ULONG retRegIndex;
if (FAILED(registers->GetPseudoIndexByName("$callret", &retRegIndex)))
Py_RETURN_NONE;
ULONG64 module;
ULONG typeId;
if (FAILED(registers->GetPseudoDescription(retRegIndex, NULL, 0, NULL, &module, &typeId)))
Py_RETURN_NONE;
DEBUG_VALUE value;
if (FAILED(registers->GetPseudoValues(DEBUG_REGSRC_EXPLICIT, 1, NULL, retRegIndex, &value)))
Py_RETURN_NONE;
ULONG index = DEBUG_ANY_ID;
const std::string name = SymbolGroupValue::pointedToSymbolName(
value.I64, PyType(module, typeId).name());
if (debugPyCdbextModule)
DebugPrint() << "Call ret value expression: " << name;
IDebugSymbolGroup2 *symbolGroup = CurrentSymbolGroup::get();
if (FAILED(symbolGroup->AddSymbol(name.c_str(), &index)))
Py_RETURN_NONE;
return createPythonObject(PyValue(index, symbolGroup));
}
