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Copy pathMetadata.h
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1008 lines (830 loc) · 30.5 KB
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#ifndef Metadata_h
#define Metadata_h
#include <stack>
#include <string>
#include <type_traits>
#include <thread>
#include <mutex>
#include "robin_hood.h"
#include <map>
#include <set>
#include <vector>
#include "KnownUnknownClassPair.h"
#include "SpinLock.h"
namespace tns {
static const int MetaTypeMask = 0b00000111;
template <typename V>
static const V& getProperFunctionFromContainer(const std::vector<V>& container, int argsCount, std::function<int(const V&)> paramsCounter) {
const V* callee = nullptr;
for (const V& func : container) {
auto candidateArgs = paramsCounter(func);
auto calleeArgs = 0;
if (candidateArgs == argsCount) {
callee = &func;
break;
} else if (!callee) {
// no candidates so far, take it whatever it is
callee = &func;
calleeArgs = candidateArgs;
} else if (argsCount < candidateArgs && (calleeArgs < argsCount || candidateArgs < calleeArgs)) {
// better candidate - looking for the least number of arguments which is more than the amount actually passed
callee = &func;
calleeArgs = candidateArgs;
} else if (calleeArgs < candidateArgs) {
// better candidate - looking for the maximum number of arguments which less than the amount actually passed (if one with more cannot be found)
callee = &func;
calleeArgs = candidateArgs;
}
}
return *callee;
}
inline uint8_t encodeVersion(uint8_t majorVersion, uint8_t minorVersion) {
return (majorVersion << 3) | minorVersion;
}
inline uint8_t getMajorVersion(uint8_t encodedVersion) {
return encodedVersion >> 3;
}
inline uint8_t getMinorVersion(uint8_t encodedVersion) {
return encodedVersion & 0b111;
}
// Bit indices in flags section
enum MetaFlags {
HasDemangledName = 8,
HasName = 7,
// IsIosAppExtensionAvailable = 6, the flag exists in metadata generator but
// we never use it in the runtime
FunctionReturnsUnmanaged = 3,
FunctionIsVariadic = 5,
FunctionOwnsReturnedCocoaObject = 4,
MemberIsOptional = 0, // Mustn't equal any Method or Property flag since it
// can be applicable to both
MethodIsInitializer = 1,
MethodIsVariadic = 2,
MethodIsNullTerminatedVariadic = 3,
MethodOwnsReturnedCocoaObject = 4,
MethodHasErrorOutParameter = 5,
MethodHasConstructorTokens = 9,
PropertyHasGetter = 2,
PropertyHasSetter = 3,
};
/// This enum describes the possible ObjectiveC entity types.
enum MetaType {
Undefined = 0,
Struct = 1,
Union = 2,
Function = 3,
JsCode = 4,
Var = 5,
Interface = 6,
ProtocolType = 7,
Vector = 8
};
enum MemberType {
InstanceMethod = 0,
StaticMethod = 1,
InstanceProperty = 2,
StaticProperty = 3
};
enum BinaryTypeEncodingType : uint8_t {
VoidEncoding,
BoolEncoding,
ShortEncoding,
UShortEncoding,
IntEncoding,
UIntEncoding,
LongEncoding,
ULongEncoding,
LongLongEncoding,
ULongLongEncoding,
CharEncoding,
UCharEncoding,
UnicharEncoding,
CharSEncoding,
CStringEncoding,
FloatEncoding,
DoubleEncoding,
InterfaceDeclarationReference,
StructDeclarationReference,
UnionDeclarationReference,
PointerEncoding,
VaListEncoding,
SelectorEncoding,
ClassEncoding,
ProtocolEncoding,
InstanceTypeEncoding,
IdEncoding,
ConstantArrayEncoding,
IncompleteArrayEncoding,
FunctionPointerEncoding,
BlockEncoding,
AnonymousStructEncoding,
AnonymousUnionEncoding,
ExtVectorEncoding
};
#pragma pack(push, 1)
template <typename T>
struct PtrTo;
struct Meta;
struct InterfaceMeta;
struct ProtocolMeta;
struct ModuleMeta;
struct LibraryMeta;
struct TypeEncoding;
typedef std::vector<const ProtocolMeta*> ProtocolMetas;
typedef int32_t ArrayCount;
static const void* offset(const void* from, ptrdiff_t offset) {
return reinterpret_cast<const char*>(from) + offset;
}
template <typename T>
struct Array {
class iterator {
private:
const T* current;
public:
iterator(const T* item)
: current(item) {
}
bool operator==(const iterator& other) const {
return current == other.current;
}
bool operator!=(const iterator& other) const {
return !(*this == other);
}
iterator& operator++() {
current++;
return *this;
}
iterator operator++(int) {
iterator tmp(current);
operator++();
return tmp;
}
const T& operator*() const {
return *current;
}
};
ArrayCount count;
const T* first() const {
return reinterpret_cast<const T*>(&count + 1);
}
const T& operator[](int index) const {
return *(first() + index);
}
Array<T>::iterator begin() const {
return first();
}
Array<T>::iterator end() const {
return first() + count;
}
template <typename V>
const Array<V>& castTo() const {
return *reinterpret_cast<const Array<V>*>(this);
}
int sizeInBytes() const {
return sizeof(Array<T>) + sizeof(T) * count;
}
int binarySearch(std::function<int(const T&)> comparer) const {
int left = 0, right = count - 1, mid;
while (left <= right) {
mid = (right + left) / 2;
const T& current = (*this)[mid];
int comparisonResult = comparer(current);
if (comparisonResult < 0) {
left = mid + 1;
} else if (comparisonResult > 0) {
right = mid - 1;
} else {
return mid;
}
}
return -(left + 1);
}
int binarySearchLeftmost(std::function<int(const T&)> comparer) const {
int mid = binarySearch(comparer);
while (mid > 0 && comparer((*this)[mid - 1]) == 0) {
mid -= 1;
}
return mid;
}
};
template <typename T>
using ArrayOfPtrTo = Array<PtrTo<T>>;
using String = PtrTo<char>;
enum GlobalTableType {
ByJsName,
ByNativeName,
};
template <GlobalTableType TYPE>
struct GlobalTable {
class iterator {
private:
const GlobalTable<TYPE>* _globalTable;
int _topLevelIndex;
int _bucketIndex;
void findNext();
const Meta* getCurrent();
public:
iterator(const GlobalTable<TYPE>* globalTable)
: iterator(globalTable, 0, 0) {
findNext();
}
iterator(const GlobalTable<TYPE>* globalTable, int32_t topLevelIndex, int32_t bucketIndex)
: _globalTable(globalTable)
, _topLevelIndex(topLevelIndex)
, _bucketIndex(bucketIndex) {
findNext();
}
bool operator==(const iterator& other) const;
bool operator!=(const iterator& other) const;
iterator& operator++();
iterator operator++(int) {
iterator tmp(_globalTable, _topLevelIndex, _bucketIndex);
operator++();
return tmp;
}
const Meta* operator*();
};
iterator begin() const {
return iterator(this);
}
iterator end() const {
return iterator(this, this->buckets.count, 0);
}
ArrayOfPtrTo<ArrayOfPtrTo<Meta>> buckets;
const InterfaceMeta* findInterfaceMeta(const char* identifierString) const;
const InterfaceMeta* findInterfaceMeta(const char* identifierString, size_t length, unsigned hash) const;
const ProtocolMeta* findProtocol(const char* identifierString) const;
const ProtocolMeta* findProtocol(const char* identifierString, size_t length, unsigned hash) const;
const Meta* findMeta(const char* identifierString, bool onlyIfAvailable = true) const;
const Meta* findMeta(const char* identifierString, size_t length, unsigned hash, bool onlyIfAvailable = true) const;
int sizeInBytes() const {
return buckets.sizeInBytes();
}
static bool compareName(const Meta& meta, const char* identifierString, size_t length);
};
struct ModuleTable {
ArrayOfPtrTo<ModuleMeta> modules;
int sizeInBytes() const {
return modules.sizeInBytes();
}
};
struct MetaFile {
private:
GlobalTable<GlobalTableType::ByJsName> _globalTableJs;
public:
static MetaFile* instance();
static MetaFile* setInstance(void* metadataPtr);
const GlobalTable<GlobalTableType::ByJsName>* globalTableJs() const {
return &this->_globalTableJs;
}
const GlobalTable<GlobalTableType::ByNativeName>* globalTableNativeProtocols() const {
const GlobalTable<GlobalTableType::ByJsName>* gt = this->globalTableJs();
return reinterpret_cast<const GlobalTable<GlobalTableType::ByNativeName>*>(offset(gt, gt->sizeInBytes()));
}
const GlobalTable<GlobalTableType::ByNativeName>* globalTableNativeInterfaces() const {
const GlobalTable<GlobalTableType::ByNativeName>* gt = this->globalTableNativeProtocols();
return reinterpret_cast<const GlobalTable<GlobalTableType::ByNativeName>*>(offset(gt, gt->sizeInBytes()));
}
const ModuleTable* topLevelModulesTable() const {
const GlobalTable<GlobalTableType::ByNativeName>* gt = this->globalTableNativeInterfaces();
return reinterpret_cast<const ModuleTable*>(offset(gt, gt->sizeInBytes()));
}
const void* heap() const {
const ModuleTable* mt = this->topLevelModulesTable();
return offset(mt, mt->sizeInBytes());
}
};
template <typename T>
struct PtrTo {
int32_t offset;
inline bool isNull() const {
return offset == 0;
}
inline PtrTo<T> operator+(int value) const {
return add(value);
}
inline const T* operator->() const {
return valuePtr();
}
inline PtrTo<T> add(int value) const {
return PtrTo<T>{ .offset = this->offset + value * sizeof(T) };
}
inline PtrTo<T> addBytes(int bytes) const {
return PtrTo<T>{ .offset = this->offset + bytes };
}
template <typename V>
inline PtrTo<V>& castTo() const {
return reinterpret_cast<PtrTo<V>>(this);
}
inline const T* valuePtr() const {
return isNull() ? nullptr : reinterpret_cast<const T*>(tns::offset(MetaFile::instance()->heap(), this->offset));
}
inline const T& value() const {
return *valuePtr();
}
};
template <typename T>
struct TypeEncodingsList {
T count;
const TypeEncoding* first() const {
return reinterpret_cast<const TypeEncoding*>(this + 1);
}
};
union TypeEncodingDetails {
struct IdDetails {
PtrTo<Array<String>> _protocols;
} idDetails;
struct IncompleteArrayDetails {
const TypeEncoding* getInnerType() const {
return reinterpret_cast<const TypeEncoding*>(this);
}
} incompleteArray;
struct ConstantArrayDetails {
int32_t size;
const TypeEncoding* getInnerType() const {
return reinterpret_cast<const TypeEncoding*>(this + 1);
}
} constantArray;
struct ExtVectorDetails {
int32_t size;
const TypeEncoding* getInnerType() const {
return reinterpret_cast<const TypeEncoding*>(this + 1);
}
} extVector;
struct DeclarationReferenceDetails {
String name;
} declarationReference;
struct InterfaceDeclarationReferenceDetails {
String name;
PtrTo<Array<String>> _protocols;
} interfaceDeclarationReference;
struct PointerDetails {
const TypeEncoding* getInnerType() const {
return reinterpret_cast<const TypeEncoding*>(this);
}
} pointer;
struct BlockDetails {
TypeEncodingsList<uint8_t> signature;
} block;
struct FunctionPointerDetails {
TypeEncodingsList<uint8_t> signature;
} functionPointer;
struct AnonymousRecordDetails {
uint8_t fieldsCount;
const String* getFieldNames() const {
return reinterpret_cast<const String*>(this + 1);
}
const TypeEncoding* getFieldsEncodings() const {
return reinterpret_cast<const TypeEncoding*>(getFieldNames() + this->fieldsCount);
}
} anonymousRecord;
};
struct TypeEncoding {
BinaryTypeEncodingType type;
TypeEncodingDetails details;
const TypeEncoding* next() const {
const TypeEncoding* afterTypePtr = reinterpret_cast<const TypeEncoding*>(offset(this, sizeof(type)));
switch (this->type) {
case BinaryTypeEncodingType::IdEncoding: {
return reinterpret_cast<const TypeEncoding*>(offset(afterTypePtr, sizeof(TypeEncodingDetails::IdDetails)));
}
case BinaryTypeEncodingType::ConstantArrayEncoding: {
return this->details.constantArray.getInnerType()->next();
}
case BinaryTypeEncodingType::ExtVectorEncoding: {
return this->details.extVector.getInnerType()->next();
}
case BinaryTypeEncodingType::IncompleteArrayEncoding: {
return this->details.incompleteArray.getInnerType()->next();
}
case BinaryTypeEncodingType::PointerEncoding: {
return this->details.pointer.getInnerType()->next();
}
case BinaryTypeEncodingType::BlockEncoding: {
const TypeEncoding* current = this->details.block.signature.first();
for (int i = 0; i < this->details.block.signature.count; i++) {
current = current->next();
}
return current;
}
case BinaryTypeEncodingType::FunctionPointerEncoding: {
const TypeEncoding* current = this->details.functionPointer.signature.first();
for (int i = 0; i < this->details.functionPointer.signature.count; i++) {
current = current->next();
}
return current;
}
case BinaryTypeEncodingType::InterfaceDeclarationReference: {
return reinterpret_cast<const TypeEncoding*>(offset(afterTypePtr, sizeof(TypeEncodingDetails::InterfaceDeclarationReferenceDetails)));
}
case BinaryTypeEncodingType::StructDeclarationReference:
case BinaryTypeEncodingType::UnionDeclarationReference: {
return reinterpret_cast<const TypeEncoding*>(offset(afterTypePtr, sizeof(TypeEncodingDetails::DeclarationReferenceDetails)));
}
case BinaryTypeEncodingType::AnonymousStructEncoding:
case BinaryTypeEncodingType::AnonymousUnionEncoding: {
const TypeEncoding* current = this->details.anonymousRecord.getFieldsEncodings();
for (int i = 0; i < this->details.anonymousRecord.fieldsCount; i++) {
current = current->next();
}
return current;
}
default: {
return afterTypePtr;
}
}
}
};
struct ModuleMeta {
public:
uint8_t flags;
String name;
PtrTo<ArrayOfPtrTo<LibraryMeta>> libraries;
const char* getName() const {
return name.valuePtr();
}
bool isFramework() const {
return (flags & 1) > 0;
}
bool isSystem() const {
return (flags & 2) > 0;
}
};
struct LibraryMeta {
public:
uint8_t flags;
String name;
const char* getName() const {
return name.valuePtr();
}
bool isFramework() const {
return (flags & 1) > 0;
}
};
enum NameIndex {
JsName,
Name,
DemangledName,
NameIndexCount,
};
struct JsNameAndNativeNames {
String strings[NameIndexCount];
};
union MetaNames {
String name;
PtrTo<JsNameAndNativeNames> names;
};
struct Meta {
private:
MetaNames _names;
PtrTo<ModuleMeta> _topLevelModule;
uint16_t _flags;
uint8_t _introduced;
public:
inline MetaType type() const {
return (MetaType)(this->_flags & MetaTypeMask);
}
const char* typeName() const {
switch (type()) {
case Undefined:
return "Undefined";
case Struct:
return "Struct";
case Union:
return "Union";
case Function:
return "Function";
case JsCode:
return "JsCode";
case Var:
return "Var";
case Interface:
return "Interface";
case ProtocolType:
return "ProtocolType";
case Vector:
return "Vector";
default:
return "Unknown";
}
}
inline const ModuleMeta* topLevelModule() const {
return this->_topLevelModule.valuePtr();
}
inline bool hasName() const {
return this->flag(MetaFlags::HasName);
}
inline bool hasDemangledName() const {
return this->flag(MetaFlags::HasDemangledName);
}
inline bool flag(int index) const {
return (this->_flags & (1 << index)) > 0;
}
inline const char* jsName() const {
return this->getNameByIndex(JsName);
}
inline const char* name() const {
return this->getNameByIndex(Name);
}
inline const char* demangledName() const {
return this->getNameByIndex(DemangledName);
}
/**
* \brief The version number in which this entity was introduced.
*/
inline uint8_t introducedIn() const {
return this->_introduced;
}
/**
* \brief Checks if the specified object is callable
* from the current device.
*
* To be callable, an object must either:
* > not have platform availability specified;
* > have been introduced in this or prior version;
*/
bool isAvailable() const;
private:
inline const char* getNameByIndex(enum NameIndex index) const {
int i = index;
if (!this->hasName() && !this->hasDemangledName()) {
return this->_names.name.valuePtr();
}
if (!this->hasDemangledName() && i >= DemangledName) {
i--;
}
if (!this->hasName() && i >= Name) {
i--;
}
return this->_names.names.value().strings[i].valuePtr();
}
};
struct RecordMeta : Meta {
private:
PtrTo<Array<String>> _fieldsNames;
PtrTo<TypeEncodingsList<ArrayCount>> _fieldsEncodings;
public:
inline const Array<String>& fieldNames() const {
return _fieldsNames.value();
}
inline size_t fieldsCount() const {
return fieldNames().count;
}
inline const TypeEncodingsList<ArrayCount>* fieldsEncodings() const {
return _fieldsEncodings.valuePtr();
}
};
struct StructMeta : RecordMeta {
};
struct UnionMeta : RecordMeta {
};
struct FunctionMeta : Meta {
private:
PtrTo<TypeEncodingsList<ArrayCount>> _encoding;
public:
bool isVariadic() const {
return this->flag(MetaFlags::FunctionIsVariadic);
}
const TypeEncodingsList<ArrayCount>* encodings() const {
return _encoding.valuePtr();
}
bool ownsReturnedCocoaObject() const {
return this->flag(MetaFlags::FunctionOwnsReturnedCocoaObject);
}
bool returnsUnmanaged() const {
return this->flag(MetaFlags::FunctionReturnsUnmanaged);
}
};
struct JsCodeMeta : Meta {
private:
String _jsCode;
public:
inline const char* jsCode() const {
return _jsCode.valuePtr();
}
};
struct VarMeta : Meta {
private:
PtrTo<TypeEncoding> _encoding;
public:
inline const TypeEncoding* encoding() const {
return _encoding.valuePtr();
}
};
struct MemberMeta : Meta {
inline bool isOptional() const {
return this->flag(MetaFlags::MemberIsOptional);
}
};
struct MethodMeta : MemberMeta {
private:
PtrTo<TypeEncodingsList<ArrayCount>> _encodings;
String _constructorTokens;
public:
inline bool isVariadic() const {
return this->flag(MetaFlags::MethodIsVariadic);
}
inline bool isVariadicNullTerminated() const {
return this->flag(MetaFlags::MethodIsNullTerminatedVariadic);
}
inline bool hasErrorOutParameter() const {
return this->flag(MetaFlags::MethodHasErrorOutParameter);
}
inline bool isInitializer() const {
return this->flag(MetaFlags::MethodIsInitializer);
}
inline bool ownsReturnedCocoaObject() const {
return this->flag(MetaFlags::MethodOwnsReturnedCocoaObject);
}
inline SEL selector() const {
static robin_hood::unordered_map<const MethodMeta*, SEL> methodMetaSelectorCache;
// this method takes a few ns to run and is almost never called by another thread
// this means that locking a mutex is almost always unecessary so we use a spinlock
// that will most likely never spin
static SpinMutex p;
SpinLock lock(p);
SEL ret = nullptr;
auto it = methodMetaSelectorCache.find(this);
if(it != methodMetaSelectorCache.end()) {
return it->second;
}
auto selectorAsStr = this->selectorAsString();
ret = sel_registerName(selectorAsStr);
// save to cache
methodMetaSelectorCache.emplace(this, ret);
return ret;
}
// just a more convenient way to get the selector of method
inline const char* selectorAsString() const {
return this->name();
}
inline const TypeEncodingsList<ArrayCount>* encodings() const {
return this->_encodings.valuePtr();
}
// The trailing _constructorTokens slot is only written when the flag is
// set, so it must not be read otherwise — the bytes past _encodings belong
// to whatever the generator emitted next.
inline const char* constructorTokens() const {
return this->flag(MetaFlags::MethodHasConstructorTokens)
? this->_constructorTokens.valuePtr()
: "";
}
bool isImplementedInClass(Class klass, bool isStatic) const;
inline bool isAvailableInClass(Class klass, bool isStatic) const {
return this->isAvailable() && this->isImplementedInClass(klass, isStatic);
}
inline bool isAvailableInClasses(KnownUnknownClassPair klasses, bool isStatic) const {
return this->isAvailableInClass(klasses.known, isStatic) || (klasses.unknown != nullptr && this->isAvailableInClass(klasses.unknown, isStatic));
}
};
typedef std::set<const MemberMeta*> MembersCollection;
robin_hood::unordered_map<std::string, MembersCollection> getMetasByJSNames(MembersCollection methods);
struct PropertyMeta : MemberMeta {
PtrTo<MethodMeta> method1;
PtrTo<MethodMeta> method2;
public:
inline bool hasGetter() const {
return this->flag(MetaFlags::PropertyHasGetter);
}
inline bool hasSetter() const {
return this->flag(MetaFlags::PropertyHasSetter);
}
inline const MethodMeta* getter() const {
return this->hasGetter() ? method1.valuePtr() : nullptr;
}
inline const MethodMeta* setter() const {
return (this->hasSetter()) ? (this->hasGetter() ? method2.valuePtr() : method1.valuePtr()) : nullptr;
}
inline bool isImplementedInClass(Class klass, bool isStatic) const {
bool getterAvailable = this->hasGetter() && this->getter()->isImplementedInClass(klass, isStatic);
bool setterAvailable = this->hasSetter() && this->setter()->isImplementedInClass(klass, isStatic);
return getterAvailable || setterAvailable;
}
inline bool isAvailableInClass(Class klass, bool isStatic) const {
return this->isAvailable() && this->isImplementedInClass(klass, isStatic);
}
inline bool isAvailableInClasses(KnownUnknownClassPair klasses, bool isStatic) const {
return this->isAvailableInClass(klasses.known, isStatic) || (klasses.unknown != nullptr && this->isAvailableInClass(klasses.unknown, isStatic));
}
};
struct BaseClassMeta : Meta {
PtrTo<ArrayOfPtrTo<MethodMeta>> instanceMethods;
PtrTo<ArrayOfPtrTo<MethodMeta>> staticMethods;
PtrTo<ArrayOfPtrTo<PropertyMeta>> instanceProps;
PtrTo<ArrayOfPtrTo<PropertyMeta>> staticProps;
PtrTo<Array<String>> protocols;
int16_t initializersStartIndex;
template <typename T>
void forEachProtocol(const T& fun, const ProtocolMetas* additionalProtocols) const {
for (Array<String>::iterator it = this->protocols->begin(); it != this->protocols->end(); ++it) {
if (const ProtocolMeta* protocolMeta = MetaFile::instance()->globalTableJs()->findProtocol((*it).valuePtr())) {
fun(protocolMeta);
}
}
if (additionalProtocols) {
for (const ProtocolMeta* protocolMeta : *additionalProtocols) {
fun(protocolMeta);
}
}
}
std::set<const ProtocolMeta*> protocolsSet() const;
std::set<const ProtocolMeta*> deepProtocolsSet() const;
void deepProtocolsSet(std::set<const ProtocolMeta*>& protocols) const;
const MemberMeta* member(const char* identifier, size_t length, MemberType type, bool includeProtocols, bool onlyIfAvailable, const ProtocolMetas& additionalProtocols) const;
const MethodMeta* member(const char* identifier, size_t length, MemberType type, size_t paramsCount, bool includeProtocols, bool onlyIfAvailable, const ProtocolMetas& additionalProtocols) const;
const MembersCollection members(const char* identifier, size_t length, MemberType type, bool includeProtocols, bool onlyIfAvailable, const ProtocolMetas& additionalProtocols) const;
const MemberMeta* member(const char* identifier, MemberType type, bool includeProtocols, const ProtocolMetas& additionalProtocols) const {
return this->member(identifier, strlen(identifier), type, includeProtocols, /*onlyIfAvailable*/ true, additionalProtocols);
}
/// instance methods
// Remove all optional methods/properties which are not implemented in the class
template <typename TMemberMeta>
static void filterUnavailableMembers(MembersCollection& members, KnownUnknownClassPair klasses, bool isStatic) {
for (auto it{members.begin()}, end{members.end()}; it != end;) {
const MemberMeta* memberMeta = *it;
bool isAvailable = static_cast<const TMemberMeta*>(memberMeta)->isAvailableInClasses(klasses, isStatic);
if (!isAvailable) {
it = members.erase(it);
}
else {
++it;
}
}
}
/// instance properties
const PropertyMeta* instanceProperty(const char* identifier, KnownUnknownClassPair klasses, bool includeProtocols, const ProtocolMetas& additionalProtocols) const {
auto propMeta = static_cast<const PropertyMeta*>(this->member(identifier, MemberType::InstanceProperty, includeProtocols, additionalProtocols));
return propMeta && propMeta->isAvailableInClasses(klasses, /*isStatic*/ false) ? propMeta : nullptr;
}
/// static properties
const PropertyMeta* staticProperty(const char* identifier, KnownUnknownClassPair klasses, bool includeProtocols, const ProtocolMetas& additionalProtocols) const {
auto propMeta = static_cast<const PropertyMeta*>(this->member(identifier, MemberType::StaticProperty, includeProtocols, additionalProtocols));
return propMeta && propMeta->isAvailableInClasses(klasses, /*isStatic*/ true) ? propMeta : nullptr;
}
/// vectors
std::vector<const PropertyMeta*> instanceProperties(KnownUnknownClassPair klasses) const {
std::vector<const PropertyMeta*> properties;
return this->instanceProperties(properties, klasses);
}
std::vector<const PropertyMeta*> instancePropertiesWithProtocols(KnownUnknownClassPair klasses, const ProtocolMetas& additionalProtocols) const {
std::vector<const PropertyMeta*> properties;
return this->instancePropertiesWithProtocols(properties, klasses, additionalProtocols);
}
std::vector<const PropertyMeta*> instanceProperties(std::vector<const PropertyMeta*>& container, KnownUnknownClassPair klasses) const {
for (Array<PtrTo<PropertyMeta>>::iterator it = this->instanceProps->begin(); it != this->instanceProps->end(); it++) {
if ((*it)->isAvailableInClasses(klasses, /*isStatic*/ false)) {
container.push_back((*it).valuePtr());
}
}
return container;
}
std::vector<const PropertyMeta*> instancePropertiesWithProtocols(std::vector<const PropertyMeta*>& container, KnownUnknownClassPair klasses, const ProtocolMetas& additionalProtocols) const;
std::vector<const PropertyMeta*> staticProperties(KnownUnknownClassPair klasses) const {
std::vector<const PropertyMeta*> properties;
return this->staticProperties(properties, klasses);
}
std::vector<const PropertyMeta*> staticPropertiesWithProtocols(KnownUnknownClassPair klasses, const ProtocolMetas& additionalProtocols) const {
std::vector<const PropertyMeta*> properties;
return this->staticPropertiesWithProtocols(properties, klasses, additionalProtocols);
}
std::vector<const PropertyMeta*> staticProperties(std::vector<const PropertyMeta*>& container, KnownUnknownClassPair klasses) const {
for (Array<PtrTo<PropertyMeta>>::iterator it = this->staticProps->begin(); it != this->staticProps->end(); it++) {
if ((*it)->isAvailableInClasses(klasses, /*isStatic*/ true)) {
container.push_back((*it).valuePtr());
}
}
return container;
}
std::vector<const PropertyMeta*> staticPropertiesWithProtocols(std::vector<const PropertyMeta*>& container, KnownUnknownClassPair klasses, const ProtocolMetas& additionalProtocols) const;
std::vector<const MethodMeta*> initializers(KnownUnknownClassPair klasses) const {
std::vector<const MethodMeta*> initializers;
return this->initializers(initializers, klasses);
}
std::vector<const MethodMeta*> initializersWithProtocols(KnownUnknownClassPair klasses, const ProtocolMetas& additionalProtocols) const {
std::vector<const MethodMeta*> initializers;
return this->initializersWithProtocols(initializers, klasses, additionalProtocols);
}
std::vector<const MethodMeta*> initializers(std::vector<const MethodMeta*>& container, KnownUnknownClassPair klasses) const;
std::vector<const MethodMeta*> initializersWithProtocols(std::vector<const MethodMeta*>& container, KnownUnknownClassPair klasses, const ProtocolMetas& additionalProtocols) const;
};
struct ProtocolMeta : BaseClassMeta {
};
struct InterfaceMeta : BaseClassMeta {
private:
String _baseName;
public:
const char* baseName() const {
return _baseName.valuePtr();
}
const InterfaceMeta* baseMeta() const {
if (this->baseName() != nullptr) {
const InterfaceMeta* baseMeta = MetaFile::instance()->globalTableJs()->findInterfaceMeta(this->baseName());
return baseMeta;
}
return nullptr;
}
};