2025-07-03 12:53:49 +04:00

99 lines
2.9 KiB
C++

#include "vm/Enum.h"
#include "il2cpp-object-internals.h"
#include "il2cpp-class-internals.h"
#include "gc/WriteBarrier.h"
#include "vm/Array.h"
#include "vm/Class.h"
#include "vm/Reflection.h"
#include "vm/GenericClass.h"
#include "vm/Field.h"
#include "vm/String.h"
#include "vm/Type.h"
#include "utils/MemoryRead.h"
namespace il2cpp
{
namespace vm
{
static uint64_t GetEnumFieldValue(Il2CppClass* enumType, FieldInfo* field)
{
const Il2CppType* type = NULL;
const char* ptr = Class::GetFieldDefaultValue(field, &type);
switch (Class::GetEnumBaseType(enumType)->type)
{
case IL2CPP_TYPE_I1: // Sign extend
return static_cast<int64_t>(static_cast<int8_t>(*ptr));
case IL2CPP_TYPE_U1:
return (uint8_t)*ptr;
case IL2CPP_TYPE_CHAR:
return utils::ReadChar(ptr);
case IL2CPP_TYPE_I2: // Sign extend
return static_cast<int64_t>(static_cast<int16_t>(utils::Read16(ptr)));
case IL2CPP_TYPE_U2:
return utils::Read16(ptr);
case IL2CPP_TYPE_I4: // Sign extend
return static_cast<int64_t>(static_cast<int32_t>(utils::ReadCompressedInt32(&ptr)));
case IL2CPP_TYPE_U4:
return utils::ReadCompressedUInt32(&ptr);
case IL2CPP_TYPE_U8:
case IL2CPP_TYPE_I8:
case IL2CPP_TYPE_U:
case IL2CPP_TYPE_I:
return utils::Read64(ptr);
default:
IL2CPP_ASSERT(0);
return 0;
}
}
bool Enum::GetEnumValuesAndNames(Il2CppClass* enumType, Il2CppArray** values, Il2CppArray** names)
{
size_t nvalues = Class::GetNumFields(enumType) ? Class::GetNumFields(enumType) - 1 : 0;
bool sorted = true;
gc::WriteBarrier::GenericStore(values, vm::Array::New(il2cpp_defaults.uint64_class, (il2cpp_array_size_t)nvalues));
uint64_t field_value, previous_value = 0;
gc::WriteBarrier::GenericStore(names, vm::Array::New(il2cpp_defaults.string_class, (il2cpp_array_size_t)nvalues));
if (enumType->generic_class)
enumType = GenericClass::GetTypeDefinition(enumType->generic_class);
FieldInfo* field;
void* iter = NULL;
int j = 0;
while ((field = Class::GetFields(enumType, &iter)))
{
if (strcmp("value__", field->name) == 0)
continue;
if (Field::IsDeleted(field))
continue;
il2cpp_array_setref(*names, j, il2cpp::vm::String::New(Field::GetName(field)));
field_value = GetEnumFieldValue(enumType, field);
il2cpp_array_set(*values, uint64_t, j, field_value);
if (previous_value > field_value)
sorted = false;
previous_value = field_value;
j++;
}
return sorted;
}
} /* namespace vm */
} /* namespace il2cpp */