mirror of
https://github.com/cemu-project/idapython.git
synced 2024-11-24 10:09:20 +01:00
758 lines
22 KiB
C++
758 lines
22 KiB
C++
#ifndef __PYCVT__
|
|
#define __PYCVT__
|
|
|
|
//<code(py_idaapi)>
|
|
|
|
//------------------------------------------------------------------------
|
|
// String constants used
|
|
static const char S_PY_IDCCVT_VALUE_ATTR[] = "__idc_cvt_value__";
|
|
static const char S_PY_IDCCVT_ID_ATTR[] = "__idc_cvt_id__";
|
|
static const char S_PY_IDC_OPAQUE_T[] = "py_idc_cvt_helper_t";
|
|
static const char S_PY_IDC_GLOBAL_VAR_FMT[] = "__py_cvt_gvar_%d";
|
|
|
|
// Constants used by get_idaapi_class_reference()
|
|
#define PY_CLSID_CVT_INT64 0
|
|
#define PY_CLSID_APPCALL_SKEL_OBJ 1
|
|
#define PY_CLSID_CVT_BYREF 2
|
|
#define PY_CLSID_LAST 3
|
|
|
|
//---------------------------------------------------------------------------
|
|
// Use these macros to define script<->C fields
|
|
#define DEFINE_SCFIELDX(name, type, is_opt) { #name, type, qoffsetof(CUR_STRUC, name), is_opt }
|
|
#define DEFINE_SCFIELD(name, type) DEFINE_SCFIELDX(name, type, 0)
|
|
#define DEFINE_SCFIELD_OPT(name, type) DEFINE_SCFIELDX(name, type, 1)
|
|
|
|
//---------------------------------------------------------------------------
|
|
enum scfield_types_t
|
|
{
|
|
// Numeric fields
|
|
FT_FIRST_NUM,
|
|
FT_INT,
|
|
FT_SIZET,
|
|
FT_SSIZET,
|
|
FT_NUM16,
|
|
FT_NUM32,
|
|
FT_LAST_NUM,
|
|
// String field
|
|
FT_STR,
|
|
FT_CHAR,
|
|
// Object fields
|
|
FT_ARR,
|
|
// Allocated array of strings
|
|
FT_STRARR,
|
|
// Allocated array of 16bit numbers
|
|
FT_NUM16ARR,
|
|
// Fixed size character array. The size must be passed in the definition
|
|
FT_CHRARR_STATIC,
|
|
};
|
|
|
|
//---------------------------------------------------------------------------
|
|
struct scfld_t
|
|
{
|
|
const char *field_name;
|
|
uint32 field_type;
|
|
size_t field_offs;
|
|
bool is_optional;
|
|
};
|
|
|
|
#define FT_VALUE_MASK 0xFFFF0000
|
|
// Possible return values of conversion functions
|
|
#define FT_NOT_FOUND -1
|
|
#define FT_BAD_TYPE -2
|
|
#define FT_OK 1
|
|
|
|
//-------------------------------------------------------------------------
|
|
Py_ssize_t pyvar_walk_list(
|
|
const ref_t &py_list,
|
|
int (idaapi *cb)(const ref_t &py_item, Py_ssize_t index, void *ud),
|
|
void *ud)
|
|
{
|
|
PYW_GIL_CHECK_LOCKED_SCOPE();
|
|
|
|
Py_ssize_t size = CIP_FAILED;
|
|
do
|
|
{
|
|
PyObject *o = py_list.o;
|
|
if ( !PyList_CheckExact(o) && !PyW_IsSequenceType(o) )
|
|
break;
|
|
|
|
bool is_seq = !PyList_CheckExact(o);
|
|
size = is_seq ? PySequence_Size(o) : PyList_Size(o);
|
|
if ( cb == NULL )
|
|
break;
|
|
|
|
Py_ssize_t i;
|
|
for ( i=0; i<size; i++ )
|
|
{
|
|
// Get the item
|
|
ref_t py_item;
|
|
if ( is_seq )
|
|
py_item = newref_t(PySequence_GetItem(o, i));
|
|
else
|
|
py_item = borref_t(PyList_GetItem(o, i));
|
|
|
|
if ( py_item == NULL || cb(py_item, i, ud) < CIP_OK )
|
|
break;
|
|
}
|
|
size = i;
|
|
} while ( false );
|
|
return size;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
Py_ssize_t pyvar_walk_list(
|
|
PyObject *py_list,
|
|
int (idaapi *cb)(const ref_t &py_item, Py_ssize_t index, void *ud),
|
|
void *ud)
|
|
{
|
|
borref_t r(py_list);
|
|
return pyvar_walk_list(r, cb, ud);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
ref_t PyW_IntVecToPyList(const intvec_t &intvec)
|
|
{
|
|
size_t c = intvec.size();
|
|
PYW_GIL_CHECK_LOCKED_SCOPE();
|
|
newref_t py_list(PyList_New(c));
|
|
for ( size_t i=0; i<c; i++ )
|
|
PyList_SetItem(py_list.o, i, PyInt_FromLong(intvec[i]));
|
|
return ref_t(py_list);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
static int idaapi pylist_to_intvec_cb(
|
|
const ref_t &py_item,
|
|
Py_ssize_t /*index*/,
|
|
void *ud)
|
|
{
|
|
intvec_t &intvec = *(intvec_t *)ud;
|
|
uint64 num;
|
|
{
|
|
PYW_GIL_CHECK_LOCKED_SCOPE();
|
|
if (!PyW_GetNumber(py_item.o, &num))
|
|
num = 0;
|
|
}
|
|
|
|
intvec.push_back(int(num));
|
|
return CIP_OK;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
bool PyW_PyListToIntVec(PyObject *py_list, intvec_t &intvec)
|
|
{
|
|
intvec.clear();
|
|
return pyvar_walk_list(py_list, pylist_to_intvec_cb, &intvec) != CIP_FAILED;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
static int idaapi pylist_to_strvec_cb(
|
|
const ref_t &py_item,
|
|
Py_ssize_t /*index*/,
|
|
void *ud)
|
|
{
|
|
PYW_GIL_CHECK_LOCKED_SCOPE();
|
|
|
|
qstrvec_t &strvec = *(qstrvec_t *)ud;
|
|
const char *s;
|
|
if ( !PyString_Check(py_item.o) )
|
|
s = "";
|
|
else
|
|
s = PyString_AsString(py_item.o);
|
|
|
|
strvec.push_back(s);
|
|
return CIP_OK;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
bool PyW_PyListToStrVec(PyObject *py_list, qstrvec_t &strvec)
|
|
{
|
|
strvec.clear();
|
|
return pyvar_walk_list(py_list, pylist_to_strvec_cb, &strvec) != CIP_FAILED;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
// Checks if the given py_var is a special PyIdc_cvt_helper object.
|
|
// It does that by examining the magic attribute and returns its numeric value.
|
|
// It returns -1 if the object is not a recognized helper object.
|
|
// Any Python object can be treated as an cvt object if this attribute is created.
|
|
static int get_pyidc_cvt_type(PyObject *py_var)
|
|
{
|
|
PYW_GIL_CHECK_LOCKED_SCOPE();
|
|
|
|
// Check if this our special by reference object
|
|
ref_t attr(PyW_TryGetAttrString(py_var, S_PY_IDCCVT_ID_ATTR));
|
|
if ( attr == NULL || (!PyInt_Check(attr.o) && !PyLong_Check(attr.o)) )
|
|
return -1;
|
|
return (int)PyInt_AsLong(attr.o);
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
// Utility function to convert a python object to an IDC object
|
|
// and sets a python exception on failure.
|
|
bool pyvar_to_idcvar_or_error(const ref_t &py_obj, idc_value_t *idc_obj)
|
|
{
|
|
PYW_GIL_CHECK_LOCKED_SCOPE();
|
|
int sn = 0;
|
|
bool ok = pyvar_to_idcvar(py_obj, idc_obj, &sn) >= CIP_OK;
|
|
if ( !ok )
|
|
PyErr_SetString(PyExc_ValueError, "Could not convert Python object to IDC object!");
|
|
return ok;
|
|
}
|
|
|
|
//------------------------------------------------------------------------
|
|
static idc_class_t *get_py_idc_cvt_opaque()
|
|
{
|
|
return find_idc_class(S_PY_IDC_OPAQUE_T);
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
// Utility function to create opaque / convertible Python <-> IDC variables
|
|
// The referred Python variable will have its reference increased
|
|
static bool wrap_PyObject_ptr(const ref_t &py_var, idc_value_t *idc_var)
|
|
{
|
|
PYW_GIL_CHECK_LOCKED_SCOPE();
|
|
|
|
// Create an IDC object of this special helper class
|
|
if ( VarObject(idc_var, get_py_idc_cvt_opaque()) != eOk )
|
|
return false;
|
|
|
|
// Store the CVT id
|
|
idc_value_t idc_val;
|
|
idc_val.set_long(PY_ICID_OPAQUE);
|
|
VarSetAttr(idc_var, S_PY_IDCCVT_ID_ATTR, &idc_val);
|
|
|
|
// Store the value as a PVOID referencing the given Python object
|
|
py_var.incref();
|
|
idc_val.set_pvoid(py_var.o);
|
|
VarSetAttr(idc_var, S_PY_IDCCVT_VALUE_ATTR, &idc_val);
|
|
|
|
return true;
|
|
}
|
|
|
|
//------------------------------------------------------------------------
|
|
// IDC Opaque object destructor: when the IDC object dies we kill the
|
|
// opaque Python object along with it
|
|
static const char py_idc_cvt_helper_dtor_args[] = { VT_OBJ, 0 };
|
|
static error_t idaapi py_idc_opaque_dtor(
|
|
idc_value_t *argv,
|
|
idc_value_t * /*res*/)
|
|
{
|
|
// This can be called at plugin registration time, when a
|
|
// 'script_plugin_t' instance is ::free()'d. It is
|
|
// not guaranteed that we have the GIL at that point.
|
|
PYW_GIL_GET;
|
|
|
|
// Get the value from the object
|
|
idc_value_t idc_val;
|
|
VarGetAttr(&argv[0], S_PY_IDCCVT_VALUE_ATTR, &idc_val);
|
|
|
|
// Extract the Python object reference
|
|
PyObject *py_obj = (PyObject *)idc_val.pvoid;
|
|
|
|
// Decrease its reference (and eventually destroy it)
|
|
Py_DECREF(py_obj);
|
|
|
|
return eOk;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
// Converts a Python variable into an IDC variable
|
|
// This function returns on one CIP_XXXX
|
|
int pyvar_to_idcvar(
|
|
const ref_t &py_var,
|
|
idc_value_t *idc_var,
|
|
int *gvar_sn)
|
|
{
|
|
PYW_GIL_CHECK_LOCKED_SCOPE();
|
|
|
|
// None / NULL
|
|
if ( py_var == NULL || py_var.o == Py_None )
|
|
{
|
|
idc_var->set_long(0);
|
|
}
|
|
// Numbers?
|
|
else if ( PyW_GetNumberAsIDC(py_var.o, idc_var) )
|
|
{
|
|
return CIP_OK;
|
|
}
|
|
// String
|
|
else if ( PyString_Check(py_var.o) )
|
|
{
|
|
idc_var->_set_string(PyString_AsString(py_var.o), PyString_Size(py_var.o));
|
|
}
|
|
// Boolean
|
|
else if ( PyBool_Check(py_var.o) )
|
|
{
|
|
idc_var->set_long(py_var.o == Py_True ? 1 : 0);
|
|
}
|
|
// Float
|
|
else if ( PyFloat_Check(py_var.o) )
|
|
{
|
|
double dresult = PyFloat_AsDouble(py_var.o);
|
|
ieee_realcvt((void *)&dresult, idc_var->e, 3);
|
|
idc_var->vtype = VT_FLOAT;
|
|
}
|
|
// void*
|
|
else if ( PyCObject_Check(py_var.o) )
|
|
{
|
|
idc_var->set_pvoid(PyCObject_AsVoidPtr(py_var.o));
|
|
}
|
|
// Python list?
|
|
else if ( PyList_CheckExact(py_var.o) || PyW_IsSequenceType(py_var.o) )
|
|
{
|
|
// Create the object
|
|
VarObject(idc_var);
|
|
|
|
// Determine list size and type
|
|
bool is_seq = !PyList_CheckExact(py_var.o);
|
|
Py_ssize_t size = is_seq ? PySequence_Size(py_var.o) : PyList_Size(py_var.o);
|
|
bool ok = true;
|
|
qstring attr_name;
|
|
|
|
// Convert each item
|
|
for ( Py_ssize_t i=0; i<size; i++ )
|
|
{
|
|
// Get the item
|
|
ref_t py_item;
|
|
if ( is_seq )
|
|
py_item = newref_t(PySequence_GetItem(py_var.o, i));
|
|
else
|
|
py_item = borref_t(PyList_GetItem(py_var.o, i));
|
|
|
|
// Convert the item into an IDC variable
|
|
idc_value_t v;
|
|
ok = pyvar_to_idcvar(py_item, &v, gvar_sn) >= CIP_OK;
|
|
if ( ok )
|
|
{
|
|
// Form the attribute name
|
|
newref_t py_int(PyInt_FromSsize_t(i));
|
|
ok = PyW_ObjectToString(py_int.o, &attr_name);
|
|
if ( !ok )
|
|
break;
|
|
// Store the attribute
|
|
VarSetAttr(idc_var, attr_name.c_str(), &v);
|
|
}
|
|
if ( !ok )
|
|
break;
|
|
}
|
|
return ok ? CIP_OK : CIP_FAILED;
|
|
}
|
|
// Dictionary: we convert to an IDC object
|
|
else if ( PyDict_Check(py_var.o) )
|
|
{
|
|
// Create an empty IDC object
|
|
VarObject(idc_var);
|
|
|
|
// Get the dict.items() list
|
|
newref_t py_items(PyDict_Items(py_var.o));
|
|
|
|
// Get the size of the list
|
|
qstring key_name;
|
|
bool ok = true;
|
|
Py_ssize_t size = PySequence_Size(py_items.o);
|
|
for ( Py_ssize_t i=0; i<size; i++ )
|
|
{
|
|
// Get item[i] -> (key, value)
|
|
PyObject *py_item = PyList_GetItem(py_items.o, i);
|
|
|
|
// Extract key/value
|
|
newref_t key(PySequence_GetItem(py_item, 0));
|
|
newref_t val(PySequence_GetItem(py_item, 1));
|
|
|
|
// Get key's string representation
|
|
PyW_ObjectToString(key.o, &key_name);
|
|
|
|
// Convert the attribute into an IDC value
|
|
idc_value_t v;
|
|
ok = pyvar_to_idcvar(val, &v, gvar_sn) >= CIP_OK;
|
|
if ( ok )
|
|
{
|
|
// Store the attribute
|
|
VarSetAttr(idc_var, key_name.c_str(), &v);
|
|
}
|
|
if ( !ok )
|
|
break;
|
|
}
|
|
return ok ? CIP_OK : CIP_FAILED;
|
|
}
|
|
// Possible function?
|
|
else if ( PyCallable_Check(py_var.o) )
|
|
{
|
|
idc_var->clear();
|
|
idc_var->vtype = VT_FUNC;
|
|
idc_var->funcidx = -1; // Does not apply
|
|
return CIP_OK;
|
|
}
|
|
// Objects:
|
|
// - pyidc_cvt objects: int64, byref, opaque
|
|
// - other python objects
|
|
else
|
|
{
|
|
// Get the type
|
|
int cvt_id = get_pyidc_cvt_type(py_var.o);
|
|
switch ( cvt_id )
|
|
{
|
|
//
|
|
// INT64
|
|
//
|
|
case PY_ICID_INT64:
|
|
{
|
|
// Get the value attribute
|
|
ref_t attr(PyW_TryGetAttrString(py_var.o, S_PY_IDCCVT_VALUE_ATTR));
|
|
if ( attr == NULL )
|
|
return false;
|
|
idc_var->set_int64(PyLong_AsLongLong(attr.o));
|
|
return CIP_OK;
|
|
}
|
|
//
|
|
// BYREF
|
|
//
|
|
case PY_ICID_BYREF:
|
|
{
|
|
// BYREF always require this parameter
|
|
if ( gvar_sn == NULL )
|
|
return CIP_FAILED;
|
|
|
|
// Get the value attribute
|
|
ref_t attr(PyW_TryGetAttrString(py_var.o, S_PY_IDCCVT_VALUE_ATTR));
|
|
if ( attr == NULL )
|
|
return CIP_FAILED;
|
|
|
|
// Create a global variable
|
|
char buf[MAXSTR];
|
|
qsnprintf(buf, sizeof(buf), S_PY_IDC_GLOBAL_VAR_FMT, *gvar_sn);
|
|
idc_value_t *gvar = add_idc_gvar(buf);
|
|
// Convert the python value into the IDC global variable
|
|
bool ok = pyvar_to_idcvar(attr, gvar, gvar_sn) >= CIP_OK;
|
|
if ( ok )
|
|
{
|
|
(*gvar_sn)++;
|
|
// Create a reference to this global variable
|
|
VarRef(idc_var, gvar);
|
|
}
|
|
return ok ? CIP_OK : CIP_FAILED;
|
|
}
|
|
//
|
|
// OPAQUE
|
|
//
|
|
case PY_ICID_OPAQUE:
|
|
{
|
|
if ( !wrap_PyObject_ptr(py_var, idc_var) )
|
|
return CIP_FAILED;
|
|
return CIP_OK_OPAQUE;
|
|
}
|
|
//
|
|
// Other objects
|
|
//
|
|
default:
|
|
// A normal object?
|
|
newref_t py_dir(PyObject_Dir(py_var.o));
|
|
Py_ssize_t size = PyList_Size(py_dir.o);
|
|
if ( py_dir == NULL || !PyList_Check(py_dir.o) || size == 0 )
|
|
return CIP_FAILED;
|
|
// Create the IDC object
|
|
VarObject(idc_var);
|
|
for ( Py_ssize_t i=0; i<size; i++ )
|
|
{
|
|
borref_t item(PyList_GetItem(py_dir.o, i));
|
|
const char *field_name = PyString_AsString(item.o);
|
|
if ( field_name == NULL )
|
|
continue;
|
|
|
|
size_t len = strlen(field_name);
|
|
|
|
// Skip private attributes
|
|
if ( (len > 2 )
|
|
&& (strncmp(field_name, "__", 2) == 0 )
|
|
&& (strncmp(field_name+len-2, "__", 2) == 0) )
|
|
{
|
|
continue;
|
|
}
|
|
|
|
idc_value_t v;
|
|
// Get the non-private attribute from the object
|
|
newref_t attr(PyObject_GetAttrString(py_var.o, field_name));
|
|
if (attr == NULL
|
|
// Convert the attribute into an IDC value
|
|
|| pyvar_to_idcvar(attr, &v, gvar_sn) < CIP_OK)
|
|
{
|
|
return CIP_FAILED;
|
|
}
|
|
|
|
// Store the attribute
|
|
VarSetAttr(idc_var, field_name, &v);
|
|
}
|
|
}
|
|
}
|
|
return CIP_OK;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
inline PyObject *cvt_to_pylong(int32 v)
|
|
{
|
|
return PyLong_FromLong(v);
|
|
}
|
|
|
|
inline PyObject *cvt_to_pylong(int64 v)
|
|
{
|
|
return PyLong_FromLongLong(v);
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
// Converts an IDC variable to a Python variable
|
|
// If py_var points to an existing object then the object will be updated
|
|
// If py_var points to an existing immutable object then ZERO is returned
|
|
// Returns one of CIP_xxxx. Check pywraps.hpp
|
|
int idcvar_to_pyvar(
|
|
const idc_value_t &idc_var,
|
|
ref_t *py_var)
|
|
{
|
|
PYW_GIL_CHECK_LOCKED_SCOPE();
|
|
switch ( idc_var.vtype )
|
|
{
|
|
case VT_PVOID:
|
|
if ( *py_var == NULL )
|
|
{
|
|
newref_t nr(PyCObject_FromVoidPtr(idc_var.pvoid, NULL));
|
|
*py_var = nr;
|
|
}
|
|
else
|
|
{
|
|
return CIP_IMMUTABLE;
|
|
}
|
|
break;
|
|
|
|
case VT_INT64:
|
|
{
|
|
// Recycle?
|
|
if ( *py_var != NULL )
|
|
{
|
|
// Recycling an int64 object?
|
|
int t = get_pyidc_cvt_type(py_var->o);
|
|
if ( t != PY_ICID_INT64 )
|
|
return CIP_IMMUTABLE; // Cannot recycle immutable object
|
|
// Update the attribute
|
|
PyObject_SetAttrString(py_var->o, S_PY_IDCCVT_VALUE_ATTR, PyLong_FromLongLong(idc_var.i64));
|
|
return CIP_OK;
|
|
}
|
|
ref_t py_cls(get_idaapi_attr_by_id(PY_CLSID_CVT_INT64));
|
|
if ( py_cls == NULL )
|
|
return CIP_FAILED;
|
|
*py_var = newref_t(PyObject_CallFunctionObjArgs(py_cls.o, PyLong_FromLongLong(idc_var.i64), NULL));
|
|
if ( PyW_GetError() || *py_var == NULL )
|
|
return CIP_FAILED;
|
|
break;
|
|
}
|
|
|
|
#if !defined(NO_OBSOLETE_FUNCS) || defined(__EXPR_SRC)
|
|
case VT_STR:
|
|
*py_var = newref_t(PyString_FromString(idc_var.str));
|
|
break;
|
|
|
|
#endif
|
|
case VT_STR2:
|
|
if ( *py_var == NULL )
|
|
{
|
|
const qstring &s = idc_var.qstr();
|
|
*py_var = newref_t(PyString_FromStringAndSize(s.begin(), s.length()));
|
|
break;
|
|
}
|
|
else
|
|
return CIP_IMMUTABLE; // Cannot recycle immutable object
|
|
case VT_LONG:
|
|
// Cannot recycle immutable objects
|
|
if ( *py_var != NULL )
|
|
return CIP_IMMUTABLE;
|
|
*py_var = newref_t(cvt_to_pylong(idc_var.num));
|
|
break;
|
|
case VT_FLOAT:
|
|
if ( *py_var == NULL )
|
|
{
|
|
double x;
|
|
if ( ph.realcvt(&x, (uint16 *)idc_var.e, (sizeof(x)/2-1)|010) != 0 )
|
|
INTERR(30160);
|
|
|
|
*py_var = newref_t(PyFloat_FromDouble(x));
|
|
break;
|
|
}
|
|
else
|
|
return CIP_IMMUTABLE;
|
|
|
|
case VT_REF:
|
|
{
|
|
if ( *py_var == NULL )
|
|
{
|
|
ref_t py_cls(get_idaapi_attr_by_id(PY_CLSID_CVT_BYREF));
|
|
if ( py_cls == NULL )
|
|
return CIP_FAILED;
|
|
|
|
// Create a byref object with None value. We populate it later
|
|
*py_var = newref_t(PyObject_CallFunctionObjArgs(py_cls.o, Py_None, NULL));
|
|
if ( PyW_GetError() || *py_var == NULL )
|
|
return CIP_FAILED;
|
|
}
|
|
int t = get_pyidc_cvt_type(py_var->o);
|
|
if ( t != PY_ICID_BYREF )
|
|
return CIP_FAILED;
|
|
|
|
// Dereference
|
|
// (Since we are not using VREF_COPY flag, we can safely const_cast)
|
|
idc_value_t *dref_v = VarDeref(const_cast<idc_value_t *>(&idc_var), VREF_LOOP);
|
|
if ( dref_v == NULL )
|
|
return CIP_FAILED;
|
|
|
|
// Can we recycle the object?
|
|
ref_t new_py_val(PyW_TryGetAttrString(py_var->o, S_PY_IDCCVT_VALUE_ATTR));
|
|
if ( new_py_val != NULL )
|
|
{
|
|
// Recycle
|
|
t = idcvar_to_pyvar(*dref_v, &new_py_val);
|
|
|
|
// Success? Nothing more to be done
|
|
if ( t == CIP_OK )
|
|
return CIP_OK;
|
|
|
|
// Clear it so we don't recycle it
|
|
new_py_val = ref_t();
|
|
}
|
|
// Try to convert (not recycle)
|
|
if ( idcvar_to_pyvar(*dref_v, &new_py_val) != CIP_OK )
|
|
return CIP_FAILED;
|
|
|
|
// Update the attribute
|
|
PyObject_SetAttrString(py_var->o, S_PY_IDCCVT_VALUE_ATTR, new_py_val.o);
|
|
break;
|
|
}
|
|
|
|
// Can convert back into a Python object or Python dictionary
|
|
// (Depending if py_var will be recycled and it was a dictionary)
|
|
case VT_OBJ:
|
|
{
|
|
// Check if this IDC object has __cvt_id__ and the __idc_cvt_value__ fields
|
|
idc_value_t idc_val;
|
|
if ( VarGetAttr(&idc_var, S_PY_IDCCVT_ID_ATTR, &idc_val) == eOk
|
|
&& VarGetAttr(&idc_var, S_PY_IDCCVT_VALUE_ATTR, &idc_val) == eOk )
|
|
{
|
|
// Extract the object
|
|
*py_var = borref_t((PyObject *) idc_val.pvoid);
|
|
return CIP_OK_OPAQUE;
|
|
}
|
|
ref_t obj;
|
|
bool is_dict = false;
|
|
|
|
// Need to create a new object?
|
|
if ( *py_var == NULL )
|
|
{
|
|
// Get skeleton class reference
|
|
ref_t py_cls(get_idaapi_attr_by_id(PY_CLSID_APPCALL_SKEL_OBJ));
|
|
if ( py_cls == NULL )
|
|
return CIP_FAILED;
|
|
|
|
// Call constructor
|
|
obj = newref_t(PyObject_CallFunctionObjArgs(py_cls.o, NULL));
|
|
if ( PyW_GetError() || obj == NULL )
|
|
return CIP_FAILED;
|
|
}
|
|
else
|
|
{
|
|
// Recycle existing variable
|
|
obj = *py_var;
|
|
if ( PyDict_Check(obj.o) )
|
|
is_dict = true;
|
|
}
|
|
|
|
// Walk the IDC attributes and store into python
|
|
for (const char *attr_name = VarFirstAttr(&idc_var);
|
|
attr_name != NULL;
|
|
attr_name = VarNextAttr(&idc_var, attr_name) )
|
|
{
|
|
// Get the attribute
|
|
idc_value_t v;
|
|
VarGetAttr(&idc_var, attr_name, &v, true);
|
|
|
|
// Convert attribute to a python value (recursively)
|
|
ref_t py_attr;
|
|
int cvt = idcvar_to_pyvar(v, &py_attr);
|
|
if ( cvt <= CIP_IMMUTABLE )
|
|
return CIP_FAILED;
|
|
if ( is_dict )
|
|
PyDict_SetItemString(obj.o, attr_name, py_attr.o);
|
|
else
|
|
PyObject_SetAttrString(obj.o, attr_name, py_attr.o);
|
|
}
|
|
*py_var = obj;
|
|
break;
|
|
}
|
|
// Unhandled type
|
|
default:
|
|
*py_var = ref_t();
|
|
return CIP_FAILED;
|
|
}
|
|
return CIP_OK;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
// Converts IDC arguments to Python argument list or just one tuple
|
|
// If 'decref' is NULL then 'pargs' will contain one element which is the tuple
|
|
bool pyw_convert_idc_args(
|
|
const idc_value_t args[],
|
|
int nargs,
|
|
ref_vec_t &pargs,
|
|
bool as_tupple,
|
|
char *errbuf,
|
|
size_t errbufsize)
|
|
{
|
|
PYW_GIL_CHECK_LOCKED_SCOPE();
|
|
|
|
ref_t py_tuple;
|
|
|
|
pargs.qclear();
|
|
|
|
if ( as_tupple )
|
|
{
|
|
py_tuple = newref_t(PyTuple_New(nargs));
|
|
if ( py_tuple == NULL )
|
|
{
|
|
if ( errbuf != 0 && errbufsize > 0 )
|
|
qstrncpy(errbuf, "Failed to create a new tuple to store arguments!", errbufsize);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
for ( int i=0; i<nargs; i++ )
|
|
{
|
|
ref_t py_obj;
|
|
int cvt = idcvar_to_pyvar(args[i], &py_obj);
|
|
if ( cvt < CIP_OK )
|
|
{
|
|
if ( errbuf != 0 && errbufsize > 0 )
|
|
qsnprintf(errbuf, errbufsize, "arg#%d has wrong type %d", i, args[i].vtype);
|
|
return false;
|
|
}
|
|
|
|
if ( as_tupple )
|
|
{
|
|
// PyTuple_SetItem() steals the reference.
|
|
py_obj.incref();
|
|
QASSERT(30412, PyTuple_SetItem(py_tuple.o, i, py_obj.o) == 0);
|
|
}
|
|
else
|
|
{
|
|
pargs.push_back(py_obj);
|
|
}
|
|
}
|
|
|
|
// Add the tuple to the list of args only now. Doing so earlier will
|
|
// cause the py_tuple.o->ob_refcnt to be 2 and not 1, and that will
|
|
// cause 'PyTuple_SetItem()' to fail.
|
|
if ( as_tupple )
|
|
pargs.push_back(py_tuple);
|
|
|
|
return true;
|
|
}
|
|
|
|
//</code(py_idaapi)>
|
|
|
|
#endif
|