pykd/pykd/pytypedvar.cpp
2019-12-29 00:17:35 +03:00

438 lines
12 KiB
C++

#include "stdafx.h"
#include "pytypedvar.h"
#include "kdlib/exceptions.h"
#include "pytypeinfo.h"
#include "pydataaccess.h"
namespace pykd {
///////////////////////////////////////////////////////////////////////////////
kdlib::TypedVarPtr getTypedVarByTypeName(const std::wstring &name, python::object& dataStorage)
{
python::extract<kdlib::MEMOFFSET_64> get_addr(dataStorage);
if ( get_addr.check() )
{
kdlib::MEMOFFSET_64 offset = get_addr();
AutoRestorePyState pystate;
return kdlib::loadTypedVar( name, offset );
}
kdlib::DataAccessorPtr dataAceesor( new PythonObjectAccessor(dataStorage) );
AutoRestorePyState pystate;
return kdlib::loadTypedVar(name, dataAceesor );
}
///////////////////////////////////////////////////////////////////////////////
kdlib::TypedVarPtr getTypedVarByTypeInfo( const kdlib::TypeInfoPtr &typeInfo, python::object& dataStorage)
{
python::extract<kdlib::MEMOFFSET_64> get_addr(dataStorage);
if ( get_addr.check() )
{
kdlib::MEMOFFSET_64 offset = get_addr();
AutoRestorePyState pystate;
return kdlib::loadTypedVar(typeInfo, offset );
}
kdlib::DataAccessorPtr dataAceesor( new PythonObjectAccessor(dataStorage) );
AutoRestorePyState pystate;
return kdlib::loadTypedVar(typeInfo, dataAceesor );
}
///////////////////////////////////////////////////////////////////////////////
python::list getTypedVarListByTypeName( kdlib::MEMOFFSET_64 offset, const std::wstring &typeName, const std::wstring &fieldName )
{
kdlib::TypedVarList lst;
do {
AutoRestorePyState pystate;
lst = kdlib::loadTypedVarList( offset, typeName, fieldName );
} while(false);
return vectorToList( lst );
}
///////////////////////////////////////////////////////////////////////////////
python::list getTypedVarListByType( kdlib::MEMOFFSET_64 offset, kdlib::TypeInfoPtr &typeInfo, const std::wstring &fieldName )
{
kdlib::TypedVarList lst;
do {
AutoRestorePyState pystate;
lst = kdlib::loadTypedVarList( offset, typeInfo, fieldName );
} while(false);
return vectorToList( lst );
}
///////////////////////////////////////////////////////////////////////////////
python::list getTypedVarArrayByTypeName( kdlib::MEMOFFSET_64 offset, const std::wstring &typeName, size_t number )
{
kdlib::TypedVarList lst;
do {
AutoRestorePyState pystate;
lst = kdlib::loadTypedVarArray( offset, typeName, number );
} while(false);
return vectorToList( lst );
}
///////////////////////////////////////////////////////////////////////////////
python::list getTypedVarArrayByType( kdlib::MEMOFFSET_64 offset, kdlib::TypeInfoPtr &typeInfo, size_t number )
{
kdlib::TypedVarList lst;
do {
AutoRestorePyState pystate;
lst = kdlib::loadTypedVarArray( offset, typeInfo, number );
} while(false);
return vectorToList( lst );
}
///////////////////////////////////////////////////////////////////////////////
python::list TypedVarAdapter::getFields(const kdlib::TypedVarPtr& typedVar)
{
typedef boost::tuple<std::wstring,kdlib::MEMOFFSET_32,kdlib::TypedVarPtr> FieldTuple;
std::list<FieldTuple> lst;
do {
AutoRestorePyState pystate;
for ( size_t i = 0; i < typedVar->getElementCount(); ++i )
{
std::wstring name = typedVar->getElementName(i);
kdlib::MEMOFFSET_32 offset = 0;
if (typedVar->getType()->isConstMember(i))
continue;
if (!typedVar->getType()->isStaticMember(i) )
offset = typedVar->getElementOffset(i);
kdlib::TypedVarPtr val = typedVar->getElement(i);
lst.push_back( FieldTuple( name, offset, val ) );
}
} while(false);
python::list pylst;
for ( std::list<FieldTuple>::const_iterator it = lst.begin(); it != lst.end(); ++it)
pylst.append( python::make_tuple( it->get<0>(), it->get<1>(), it->get<2>() ) );
return pylst;
}
python::list TypedVarAdapter::getMembers(const kdlib::TypedVarPtr& typedVar)
{
typedef boost::tuple<std::wstring, kdlib::MEMOFFSET_32, kdlib::TypedVarPtr> FieldTuple;
std::list<FieldTuple> lst;
do {
AutoRestorePyState pystate;
auto varType = typedVar->getType();
for (size_t i = 0; i < typedVar->getElementCount(); ++i)
{
if (varType->isConstMember(i) || varType->isInheritedMember(i))
continue;
std::wstring name = typedVar->getElementName(i);
kdlib::MEMOFFSET_32 offset = 0;
if (!varType->isStaticMember(i))
offset = typedVar->getElementOffset(i);
kdlib::TypedVarPtr val = typedVar->getElement(i);
lst.push_back(FieldTuple(name, offset, val));
}
} while (false);
python::list pylst;
for (std::list<FieldTuple>::const_iterator it = lst.begin(); it != lst.end(); ++it)
pylst.append(python::make_tuple(it->get<0>(), it->get<1>(), it->get<2>()));
return pylst;
}
///////////////////////////////////////////////////////////////////////////////
bool TypedVarAdapter::hasField(kdlib::TypedVarPtr& typedVar, const std::wstring &fieldName)
{
AutoRestorePyState pystate;
for (size_t i = 0; i < typedVar->getElementCount(); ++i)
{
std::wstring name = typedVar->getElementName(i);
if (name == fieldName)
return true;
}
return false;
}
///////////////////////////////////////////////////////////////////////////////
bool TypedVarAdapter::hasMethod(kdlib::TypedVarPtr& typedVar, const std::wstring &name)
{
AutoRestorePyState pystate;
try {
typedVar->getMethod(name);
return true;
}
catch (kdlib::DbgException&)
{
}
return false;
}
///////////////////////////////////////////////////////////////////////////////
python::list TypedVarAdapter::getElementsDir(kdlib::TypedVar& typedVar)
{
std::list<std::wstring> lst;
python::list pylst;
try {
AutoRestorePyState pystate;
for (size_t i = 0; i < typedVar.getElementCount(); ++i)
{
std::wstring name = typedVar.getElementName(i);
lst.push_back(name);
}
} catch(kdlib::DbgException&)
{
return pylst;
}
for (std::list<std::wstring>::const_iterator it = lst.begin(); it != lst.end(); ++it)
pylst.append(*it);
return pylst;
}
///////////////////////////////////////////////////////////////////////////////
kdlib::TypedVarPtr TypedVarAdapter::getFieldAttr(kdlib::TypedVar& typedVar, const std::wstring &name)
{
if (name == L"__name__")
throw AttributeException("no __name__ attribute");
AutoRestorePyState pystate;
try
{
return typedVar.getElement( name );
}
catch (kdlib::TypeException&)
{}
try
{
return typedVar.getMethod(name);
}
catch (kdlib::TypeException&)
{
}
std::stringstream sstr;
sstr << "typed var has no field " << '\'' << _bstr_t(name.c_str()) << '\'';
throw AttributeException(sstr.str().c_str());
}
///////////////////////////////////////////////////////////////////////////////
python::list TypedVarAdapter::getRawBytes(kdlib::TypedVar& typedVar)
{
std::vector<unsigned char> rawBytes;
{
AutoRestorePyState pystate;
kdlib::DataAccessorPtr dataStream = kdlib::getCacheAccessor(typedVar.getSize());
typedVar.writeBytes(dataStream);
dataStream->readBytes(rawBytes, typedVar.getSize());
}
return vectorToList( rawBytes );
}
///////////////////////////////////////////////////////////////////////////////
void TypedVarAdapter::setField(kdlib::TypedVar& typedVar, const std::wstring &name, python::object& object)
{
kdlib::TypedValue value = NumVariantAdaptor::convertToVariant(object);
{
AutoRestorePyState pystate;
typedVar.setElement(name, value);
}
}
///////////////////////////////////////////////////////////////////////////////
void TypedVarAdapter::setElementByIndex(kdlib::TypedVar& typedVar, long index, python::object& object)
{
kdlib::TypedValue value = NumVariantAdaptor::convertToVariant(object);
{
AutoRestorePyState pystate;
typedVar.setElement(index, value);
}
}
///////////////////////////////////////////////////////////////////////////////
void TypedVarAdapter::setFieldAttr(kdlib::TypedVar& typedVar, const std::wstring &name, python::object& object)
{
kdlib::TypedValue value = NumVariantAdaptor::convertToVariant(object);
try
{
AutoRestorePyState pystate;
typedVar.setElement(name, value);
return;
}
catch (kdlib::TypeException&)
{}
std::wstringstream sstr;
sstr << L"typed var has no field " << L'\'' << name << L'\'';
throw AttributeException(std::string(_bstr_t(sstr.str().c_str())).c_str());
}
///////////////////////////////////////////////////////////////////////////////
kdlib::TypedVarPtr TypedVarAdapter::getFieldByKey(kdlib::TypedVar& typedVar, const std::wstring &name)
{
{
AutoRestorePyState pystate;
try
{
return typedVar.getElement( name );
}
catch (kdlib::TypeException&)
{}
try
{
return typedVar.getMethod( name );
}
catch (kdlib::TypeException&)
{}
}
std::wstringstream sstr;
sstr << L"typed var has no field " << L'\'' << name << L'\'';
throw KeyException(std::string(_bstr_t(sstr.str().c_str())).c_str());
}
///////////////////////////////////////////////////////////////////////////////
void TypedVarAdapter::setFieldByKey(kdlib::TypedVar& typedVar, const std::wstring &name, python::object& object)
{
kdlib::TypedValue value = NumVariantAdaptor::convertToVariant(object);
try
{
AutoRestorePyState pystate;
typedVar.setElement(name, value);
return;
}
catch (kdlib::TypeException&)
{}
std::wstringstream sstr;
sstr << L"typed var has no field " << L'\'' << name << L'\'';
throw KeyException(std::string(_bstr_t(sstr.str().c_str())).c_str());
}
///////////////////////////////////////////////////////////////////////////////
class PyScope : public kdlib::Scope
{
public:
kdlib::TypedValue get(const std::wstring& varName) const override
{
return getTypdedValueFromPyObj(m_scope[varName]);
}
virtual bool find(const std::wstring& varName, kdlib::TypedValue& value) const override
{
if (!m_scope.contains(varName))
return false;
value = getTypdedValueFromPyObj(m_scope[varName]);
return true;
}
PyScope(const python::object& scope) :
m_scope(scope)
{}
private:
python::object m_scope;
};
kdlib::TypedVarPtr evalExpr(const std::string expression, python::object& scope, kdlib::TypeInfoProviderPtr& typeInfoProvider )
{
if (scope)
{
return kdlib::evalExpr(expression, kdlib::ScopePtr(new PyScope(scope)), typeInfoProvider).get();
}
return kdlib::evalExpr(expression).get();
}
///////////////////////////////////////////////////////////////////////////////
kdlib::TypedValue getTypdedValueFromPyObj(const python::object& value)
{
python::extract<kdlib::TypedVarPtr> getTypedVar(value);
if (getTypedVar.check())
return getTypedVar();
return NumVariantAdaptor::convertToVariant(value);
}
///////////////////////////////////////////////////////////////////////////////
} // namespace pykd