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feat(c-wrapper): add runtime checks on getCppPtrFromC in debug mode

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This commit is contained in:
Ronan Abhamon 2017-09-27 14:29:02 +02:00
parent e46b4630da
commit 68b9c2f425
1 changed files with 54 additions and 14 deletions
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68
src/c-wrapper/internal/c-tools.h
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@ -32,12 +32,6 @@
// Internal.
// =============================================================================
#ifdef DEBUG
#define CHECK_CPP_OBJECT_AT_RUNTIME(CPP_OBJECT) checkCppObjectAtRuntime(CPP_OBJECT)
#else
#define CHECK_CPP_OBJECT_AT_RUNTIME(CPP_OBJECT)
#endif
LINPHONE_BEGIN_NAMESPACE
template<typename CppType>
@ -128,13 +122,34 @@ public:
// Get c/cpp ptr helpers.
// ---------------------------------------------------------------------------
#ifdef DEBUG
#define L_INTERNAL_WRAPPER_CONSTEXPR
#else
#define L_INTERNAL_WRAPPER_CONSTEXPR constexpr
#endif
template<
typename CType,
typename CppType = typename CTypeMetaInfo<CType>::cppType,
typename = typename std::enable_if<IsDefinedNotClonableCppObject<CppType>::value, CppType>::type
>
static constexpr std::shared_ptr<CppType> getCppPtrFromC (CType *cObject) {
return reinterpret_cast<WrappedObject<CppType> *>(cObject)->cppPtr;
static L_INTERNAL_WRAPPER_CONSTEXPR std::shared_ptr<CppType> getCppPtrFromC (CType *cObject) {
#ifdef DEBUG
typedef typename CTypeMetaInfo<CType>::cppType BaseType;
typedef CppType DerivedType;
std::shared_ptr<BaseType> cppObject = reinterpret_cast<WrappedObject<BaseType> *>(cObject)->cppPtr;
if (!cppObject)
fatal("Cpp Object is null.");
std::shared_ptr<DerivedType> derivedCppObject = std::static_pointer_cast<DerivedType>(cppObject);
if (!derivedCppObject)
fatal("Invalid derived cpp object.");
return derivedCppObject;
#else
return reinterpret_cast<WrappedObject<CppType> *>(cObject)->cppPtr;
#endif
}
template<
@ -142,8 +157,12 @@ public:
typename CppType = typename CTypeMetaInfo<CType>::cppType,
typename = typename std::enable_if<IsDefinedNotClonableCppObject<CppType>::value, CppType>::type
>
static constexpr std::shared_ptr<const CppType> getCppPtrFromC (const CType *cObject) {
return reinterpret_cast<const WrappedObject<CppType> *>(cObject)->cppPtr;
static L_INTERNAL_WRAPPER_CONSTEXPR std::shared_ptr<const CppType> getCppPtrFromC (const CType *cObject) {
#ifdef DEBUG
return getCppPtrFromC(const_cast<CType *>(cObject));
#else
return reinterpret_cast<const WrappedObject<CppType> *>(cObject)->cppPtr;
#endif
}
template<
@ -151,8 +170,23 @@ public:
typename CppType = typename CTypeMetaInfo<CType>::cppType,
typename = typename std::enable_if<IsDefinedClonableCppObject<CppType>::value, CppType>::type
>
static constexpr CppType *getCppPtrFromC (CType *cObject) {
return reinterpret_cast<WrappedClonableObject<CppType> *>(cObject)->cppPtr;
static L_INTERNAL_WRAPPER_CONSTEXPR CppType *getCppPtrFromC (CType *cObject) {
#ifdef DEBUG
typedef typename CTypeMetaInfo<CType>::cppType BaseType;
typedef CppType DerivedType;
BaseType *cppObject = reinterpret_cast<WrappedClonableObject<BaseType> *>(cObject)->cppPtr;
if (!cppObject)
fatal("Cpp Object is null.");
DerivedType *derivedCppObject = dynamic_cast<DerivedType *>(cppObject);
if (!derivedCppObject)
fatal("Invalid derived cpp object.");
return derivedCppObject;
#else
return reinterpret_cast<WrappedClonableObject<CppType> *>(cObject)->cppPtr;
#endif
}
template<
@ -160,10 +194,16 @@ public:
typename CppType = typename CTypeMetaInfo<CType>::cppType,
typename = typename std::enable_if<IsDefinedClonableCppObject<CppType>::value, CppType>::type
>
static constexpr const CppType *getCppPtrFromC (const CType *cObject) {
return reinterpret_cast<const WrappedClonableObject<CppType> *>(cObject)->cppPtr;
static L_INTERNAL_WRAPPER_CONSTEXPR const CppType *getCppPtrFromC (const CType *cObject) {
#ifdef DEBUG
return getCppPtrFromC(const_cast<CType *>(cObject));
#else
return reinterpret_cast<const WrappedClonableObject<CppType> *>(cObject)->cppPtr;
#endif
}
#undef L_INTERNAL_WRAPPER_CONSTEXPR
// ---------------------------------------------------------------------------
// Set c/cpp ptr helpers.
// ---------------------------------------------------------------------------