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Copy pathHeldClassType.hpp
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220 lines (176 loc) · 7.17 KB
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#pragma once
#include "Type.hpp"
#include "ReprAccumulator.hpp"
//a class held directly inside of another object
class HeldClass : public Type {
public:
HeldClass(std::string inName,
const std::vector<std::tuple<std::string, Type*, Instance> >& members,
const std::map<std::string, Function*>& memberFunctions,
const std::map<std::string, Function*>& staticFunctions,
const std::map<std::string, Function*>& propertyFunctions,
const std::map<std::string, PyObject*>& classMembers
) :
Type(catHeldClass),
m_members(members),
m_memberFunctions(memberFunctions),
m_staticFunctions(staticFunctions),
m_propertyFunctions(propertyFunctions),
m_classMembers(classMembers),
m_hasComparisonOperators(false)
{
m_name = inName;
if (m_memberFunctions.find("__eq__") != m_memberFunctions.end()) { m_hasComparisonOperators = true; }
if (m_memberFunctions.find("__ne__") != m_memberFunctions.end()) { m_hasComparisonOperators = true; }
if (m_memberFunctions.find("__lt__") != m_memberFunctions.end()) { m_hasComparisonOperators = true; }
if (m_memberFunctions.find("__gt__") != m_memberFunctions.end()) { m_hasComparisonOperators = true; }
if (m_memberFunctions.find("__le__") != m_memberFunctions.end()) { m_hasComparisonOperators = true; }
if (m_memberFunctions.find("__ge__") != m_memberFunctions.end()) { m_hasComparisonOperators = true; }
forwardTypesMayHaveChanged();
}
bool isBinaryCompatibleWithConcrete(Type* other);
template<class visitor_type>
void _visitContainedTypes(const visitor_type& visitor) {
for (auto& o: m_members) {
visitor(std::get<1>(o));
}
}
template<class visitor_type>
void _visitReferencedTypes(const visitor_type& visitor) {
for (auto& o: m_members) {
visitor(std::get<1>(o));
}
for (auto& o: m_memberFunctions) {
Type* t = std::get<1>(o);
visitor(t);
assert(t == std::get<1>(o));
}
for (auto& o: m_staticFunctions) {
Type* t = std::get<1>(o);
visitor(t);
assert(t == std::get<1>(o));
}
}
void _forwardTypesMayHaveChanged();
static HeldClass* Make(
std::string inName,
const std::vector<std::tuple<std::string, Type*, Instance> >& members,
const std::map<std::string, Function*>& memberFunctions,
const std::map<std::string, Function*>& staticFunctions,
const std::map<std::string, Function*>& propertyFunctions,
const std::map<std::string, PyObject*>& classMembers
)
{
return new HeldClass(inName, members, memberFunctions, staticFunctions, propertyFunctions, classMembers);
}
HeldClass* renamed(std::string newName) {
return Make(newName,
m_members,
m_memberFunctions,
m_staticFunctions,
m_propertyFunctions,
m_classMembers
);
}
instance_ptr eltPtr(instance_ptr self, int64_t ix) const {
return self + m_byte_offsets[ix];
}
bool cmp(instance_ptr left, instance_ptr right, int pyComparisonOp);
template<class buf_t>
void deserialize(instance_ptr self, buf_t& buffer) {
for (long k = 0; k < m_members.size();k++) {
bool isInitialized = buffer.read_uint8();
if (isInitialized) {
std::get<1>(m_members[k])->deserialize(eltPtr(self,k),buffer);
setInitializationFlag(self, k);
}
}
}
template<class buf_t>
void serialize(instance_ptr self, buf_t& buffer) {
for (long k = 0; k < m_members.size();k++) {
bool isInitialized = checkInitializationFlag(self, k);
if (isInitialized) {
buffer.write_uint8(true);
std::get<1>(m_members[k])->serialize(eltPtr(self,k),buffer);
} else {
buffer.write_uint8(false);
}
}
}
void repr(instance_ptr self, ReprAccumulator& stream);
int32_t hash32(instance_ptr left);
template<class sub_constructor>
void constructor(instance_ptr self, const sub_constructor& initializer) const {
for (int64_t k = 0; k < m_members.size(); k++) {
try {
initializer(eltPtr(self, k), k);
setInitializationFlag(self, k);
} catch(...) {
for (long k2 = k-1; k2 >= 0; k2--) {
std::get<1>(m_members[k2])->destroy(eltPtr(self,k2));
}
throw;
}
}
}
void setAttribute(instance_ptr self, int memberIndex, instance_ptr other) const;
void emptyConstructor(instance_ptr self);
//don't default construct classes
static bool wantsToDefaultConstruct(Type* t) {
return t->is_default_constructible() && t->getTypeCategory() != TypeCategory::catClass;
}
void constructor(instance_ptr self);
void destroy(instance_ptr self);
void copy_constructor(instance_ptr self, instance_ptr other);
void assign(instance_ptr self, instance_ptr other);
bool checkInitializationFlag(instance_ptr self, int memberIndex) const {
int byte = memberIndex / 8;
int bit = memberIndex % 8;
return bool( ((uint8_t*)self)[byte] & (1 << bit) );
}
void setInitializationFlag(instance_ptr self, int memberIndex) const;
void clearInitializationFlag(instance_ptr self, int memberIndex) const;
Type* getMemberType(int index) const {
return std::get<1>(m_members[index]);
}
const std::string& getMemberName(int index) const {
return std::get<0>(m_members[index]);
}
bool memberHasDefaultValue(int index) const {
return std::get<2>(m_members[index]).type()->getTypeCategory() != TypeCategory::catNone;
}
const Instance& getMemberDefaultValue(int index) const {
return std::get<2>(m_members[index]);
}
const std::vector<std::tuple<std::string, Type*, Instance> >& getMembers() const {
return m_members;
}
const std::map<std::string, Function*>& getMemberFunctions() const {
return m_memberFunctions;
}
const std::map<std::string, Function*>& getStaticFunctions() const {
return m_staticFunctions;
}
const std::map<std::string, PyObject*>& getClassMembers() const {
return m_classMembers;
}
const std::map<std::string, Function*>& getPropertyFunctions() const {
return m_propertyFunctions;
}
const std::vector<size_t>& getOffsets() const {
return m_byte_offsets;
}
int memberNamed(const char* c) const;
bool hasAnyComparisonOperators() const {
return m_hasComparisonOperators;
}
private:
std::vector<size_t> m_byte_offsets;
std::vector<std::tuple<std::string, Type*, Instance> > m_members;
std::map<std::string, Function*> m_memberFunctions;
std::map<std::string, Function*> m_staticFunctions;
std::map<std::string, Function*> m_propertyFunctions;
std::map<std::string, PyObject*> m_classMembers;
bool m_hasComparisonOperators;
};