diff options
Diffstat (limited to 'sources/shiboken6/libshiboken/basewrapper.h')
| -rw-r--r-- | sources/shiboken6/libshiboken/basewrapper.h | 168 |
1 files changed, 102 insertions, 66 deletions
diff --git a/sources/shiboken6/libshiboken/basewrapper.h b/sources/shiboken6/libshiboken/basewrapper.h index 2c8da098f..ec5545aea 100644 --- a/sources/shiboken6/libshiboken/basewrapper.h +++ b/sources/shiboken6/libshiboken/basewrapper.h @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2019 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of Qt for Python. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2019 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #ifndef BASEWRAPPER_H #define BASEWRAPPER_H @@ -74,32 +38,30 @@ LIBSHIBOKEN_API void SbkDeallocQAppWrapper(PyObject *pyObj); LIBSHIBOKEN_API void SbkDeallocWrapperWithPrivateDtor(PyObject *self); /// Function signature for the multiple inheritance information initializers that should be provided by classes with multiple inheritance. -typedef int *(*MultipleInheritanceInitFunction)(const void *); +using MultipleInheritanceInitFunction = int *(*)(const void *); /** * Special cast function is used to correctly cast an object when it's * part of a multiple inheritance hierarchy. * The implementation of this function is auto generated by the generator and you don't need to care about it. */ -typedef void *(*SpecialCastFunction)(void *, PyTypeObject *); -typedef PyTypeObject *(*TypeDiscoveryFunc)(void *, PyTypeObject *); -typedef void *(*TypeDiscoveryFuncV2)(void *, PyTypeObject *); +using SpecialCastFunction = void *(*)(void *, PyTypeObject *); +using TypeDiscoveryFunc = PyTypeObject *(*)(void *, PyTypeObject *); +using TypeDiscoveryFuncV2 = void *(*)(void *, PyTypeObject *); // Used in userdata dealloc function -typedef void (*DeleteUserDataFunc)(void *); +using DeleteUserDataFunc = void (*)(void *); -typedef void (*ObjectDestructor)(void *); +using ObjectDestructor = void (*)(void *); -typedef void (*SubTypeInitHook)(PyTypeObject *, PyObject *, PyObject *); +using SubTypeInitHook = void (*)(PyTypeObject *, PyObject *, PyObject *); /// PYSIDE-1019: Set the function to select the current feature. /// Return value is the previous content. -typedef PyObject *(*SelectableFeatureHook)(PyTypeObject *); +using SelectableFeatureHook = void (*)(PyTypeObject *); +using SelectableFeatureCallback = void (*)(bool); LIBSHIBOKEN_API SelectableFeatureHook initSelectableFeature(SelectableFeatureHook func); - -/// PYSIDE-1019: Get access to PySide reserved bits. -LIBSHIBOKEN_API int SbkObjectType_GetReserved(PyTypeObject *type); -LIBSHIBOKEN_API void SbkObjectType_SetReserved(PyTypeObject *type, int value); +LIBSHIBOKEN_API void setSelectableFeatureCallback(SelectableFeatureCallback func); /// PYSIDE-1626: Enforcing a context switch without further action. LIBSHIBOKEN_API void SbkObjectType_UpdateFeature(PyTypeObject *type); @@ -108,10 +70,16 @@ LIBSHIBOKEN_API void SbkObjectType_UpdateFeature(PyTypeObject *type); LIBSHIBOKEN_API const char **SbkObjectType_GetPropertyStrings(PyTypeObject *type); LIBSHIBOKEN_API void SbkObjectType_SetPropertyStrings(PyTypeObject *type, const char **strings); +/// PYSIDE-1735: Store the enumFlagInfo. +LIBSHIBOKEN_API void SbkObjectType_SetEnumFlagInfo(PyTypeObject *type, const char **strings); + /// PYSIDE-1470: Set the function to kill a Q*Application. -typedef void(*DestroyQAppHook)(); +using DestroyQAppHook = void(*)(); LIBSHIBOKEN_API void setDestroyQApplication(DestroyQAppHook func); +/// PYSIDE-535: Use the C API in PyPy instead of `op->ob_dict`, directly (borrowed ref) +LIBSHIBOKEN_API PyObject *SbkObject_GetDict_NoRef(PyObject *op); + extern LIBSHIBOKEN_API PyTypeObject *SbkObjectType_TypeF(void); extern LIBSHIBOKEN_API PyTypeObject *SbkObject_TypeF(void); @@ -119,10 +87,10 @@ extern LIBSHIBOKEN_API PyTypeObject *SbkObject_TypeF(void); struct SbkObjectTypePrivate; /// PyTypeObject extended with C++ multiple inheritance information. -LIBSHIBOKEN_API PyObject *SbkObjectTpNew(PyTypeObject *subtype, PyObject *, PyObject *); +LIBSHIBOKEN_API PyObject *SbkObject_tp_new(PyTypeObject *subtype, PyObject *, PyObject *); /// The special case of a switchable singleton Q*Application. -LIBSHIBOKEN_API PyObject *SbkQAppTpNew(PyTypeObject *subtype, PyObject *, PyObject *); +LIBSHIBOKEN_API PyObject *SbkQApp_tp_new(PyTypeObject *subtype, PyObject *, PyObject *); /// Create a new Q*Application wrapper and monitor it. LIBSHIBOKEN_API PyObject *MakeQAppWrapper(PyTypeObject *type); @@ -141,6 +109,12 @@ LIBSHIBOKEN_API PyObject *SbkDummyNew(PyTypeObject *type, PyObject *, PyObject * /// PYSIDE-74: Fallback used in all types now. LIBSHIBOKEN_API PyObject *FallbackRichCompare(PyObject *self, PyObject *other, int op); +/// PYSIDE-1970: Be easily able to see what is happening in the running code. +LIBSHIBOKEN_API void disassembleFrame(const char *marker); + +/// PYSIDE-2230: Check if an object is an SbkObject. +LIBSHIBOKEN_API bool SbkObjectType_Check(PyTypeObject *type); + } // extern "C" namespace Shiboken @@ -152,7 +126,7 @@ namespace Shiboken LIBSHIBOKEN_API void init(); /// PYSIDE-1415: Publish Shiboken objects. -LIBSHIBOKEN_API void initSignature(PyObject *module); +LIBSHIBOKEN_API void initShibokenSupport(PyObject *module); /// Delete the class T allocated on \p cptr. template<typename T> @@ -161,11 +135,30 @@ void callCppDestructor(void *cptr) delete reinterpret_cast<T *>(cptr); } -// setErrorAboutWrongArguments now gets overload information from the signature module. -// The extra info argument can contain additional data about the error. +/// setErrorAboutWrongArguments now gets overload information from the signature module. +/// The extra info argument can contain additional data about the error. LIBSHIBOKEN_API void setErrorAboutWrongArguments(PyObject *args, const char *funcName, PyObject *info); +/// Return values for the different retun variants. +/// This is used instead of goto. +LIBSHIBOKEN_API PyObject *returnWrongArguments(PyObject *args, const char *funcName, + PyObject *info); + +LIBSHIBOKEN_API int returnWrongArguments_Zero(PyObject *args, const char *funcName, + PyObject *info); + +LIBSHIBOKEN_API int returnWrongArguments_MinusOne(PyObject *args, const char *funcName, + PyObject *info); + +/// A simple special version for the end of rich comparison. +LIBSHIBOKEN_API PyObject *returnFromRichCompare(PyObject *result); + +// Return error information object if the argument count is wrong +LIBSHIBOKEN_API PyObject *checkInvalidArgumentCount(Py_ssize_t numArgs, + Py_ssize_t minArgs, + Py_ssize_t maxArgs); + namespace ObjectType { /** @@ -207,14 +200,15 @@ LIBSHIBOKEN_API const char *getOriginalName(PyTypeObject *self); LIBSHIBOKEN_API void setTypeDiscoveryFunctionV2(PyTypeObject *self, TypeDiscoveryFuncV2 func); LIBSHIBOKEN_API void copyMultipleInheritance(PyTypeObject *self, PyTypeObject *other); LIBSHIBOKEN_API void setMultipleInheritanceFunction(PyTypeObject *self, MultipleInheritanceInitFunction func); -LIBSHIBOKEN_API MultipleInheritanceInitFunction getMultipleInheritanceFunction(PyTypeObject *self); +LIBSHIBOKEN_API MultipleInheritanceInitFunction getMultipleInheritanceFunction(PyTypeObject *type); LIBSHIBOKEN_API void setDestructorFunction(PyTypeObject *self, ObjectDestructor func); enum WrapperFlags { InnerClass = 0x1, - DeleteInMainThread = 0x2 + DeleteInMainThread = 0x2, + Value = 0x4 }; /** @@ -235,13 +229,12 @@ enum WrapperFlags * \returns true if the initialization went fine, false otherwise. */ LIBSHIBOKEN_API PyTypeObject *introduceWrapperType(PyObject *enclosingObject, - const char *typeName, - const char *originalName, - PyType_Spec *typeSpec, - ObjectDestructor cppObjDtor, - PyTypeObject *baseType, - PyObject *baseTypes, - unsigned wrapperFlags = 0); + const char *typeName, + const char *originalName, + PyType_Spec *typeSpec, + ObjectDestructor cppObjDtor, + PyObject *bases, + unsigned wrapperFlags = 0); /** * Set the subtype init hook for a type. @@ -272,6 +265,14 @@ LIBSHIBOKEN_API PyTypeObject *typeForTypeName(const char *typeName); * \since 5.12 */ LIBSHIBOKEN_API bool hasSpecialCastFunction(PyTypeObject *sbkType); + +/// Returns whether a C++ pointer of \p baseType can be safely downcast +/// to \p targetType (base is a direct, single line base class of targetType). +/// (is a direct, single-line inheritance) +/// \param baseType Python type of base class +/// \param targetType Python type of derived class +/// \since 6.8 +LIBSHIBOKEN_API bool canDowncastTo(PyTypeObject *baseType, PyTypeObject *targetType); } namespace Object { @@ -304,7 +305,8 @@ LIBSHIBOKEN_API SbkObject *findColocatedChild(SbkObject *wrapper, const PyTypeObject *instanceType); /** - * Bind a C++ object to Python. + * Bind a C++ object to Python. Forwards to + * newObjectWithHeuristics(), newObjectForType() depending on \p isExactType. * \param instanceType equivalent Python type for the C++ object. * \param hasOwnership if true, Python will try to delete the underlying C++ object when there's no more refs. * \param isExactType if false, Shiboken will use some heuristics to detect the correct Python type of this C++ @@ -318,6 +320,40 @@ LIBSHIBOKEN_API PyObject *newObject(PyTypeObject *instanceType, bool isExactType = false, const char *typeName = nullptr); +/// Bind a C++ object to Python for polymorphic pointers. Calls +/// newObjectWithHeuristics() with an additional check for multiple +/// inheritance, in which case it will fall back to instanceType. +/// \param instanceType Equivalent Python type for the C++ object. +/// \param hasOwnership if true, Python will try to delete the underlying C++ object +/// when there's no more refs. +/// \param typeName If non-null, this will be used as helper to find the correct +/// Python type for this object (obtained by typeid().name(). +LIBSHIBOKEN_API PyObject *newObjectForPointer(PyTypeObject *instanceType, + void *cptr, + bool hasOwnership = true, + const char *typeName = nullptr); + +/// Bind a C++ object to Python using some heuristics to detect the correct +/// Python type of this C++ object. In any case \p instanceType must be provided; +/// it'll be used as search starting point and as fallback. +/// \param instanceType Equivalent Python type for the C++ object. +/// \param hasOwnership if true, Python will try to delete the underlying C++ object +/// C++ object when there are no more references. +/// when there's no more refs. +/// \param typeName If non-null, this will be used as helper to find the correct +/// Python type for this object (obtained by typeid().name(). +LIBSHIBOKEN_API PyObject *newObjectWithHeuristics(PyTypeObject *instanceType, + void *cptr, + bool hasOwnership = true, + const char *typeName = nullptr); + +/// Bind a C++ object to Python using the given type. +/// \param instanceType Equivalent Python type for the C++ object. +/// \param hasOwnership if true, Python will try to delete the underlying +/// C++ object when there are no more references. +LIBSHIBOKEN_API PyObject *newObjectForType(PyTypeObject *instanceType, + void *cptr, bool hasOwnership = true); + /** * Changes the valid flag of a PyObject, invalid objects will raise an exception when someone tries to access it. */ |