134 lines
3.8 KiB
C++
134 lines
3.8 KiB
C++
// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
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#include "MField.h"
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#if USE_MONO
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#include "MType.h"
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#include "MClass.h"
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#include <ThirdParty/mono-2.0/mono/metadata/mono-debug.h>
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#include <ThirdParty/mono-2.0/mono/metadata/attrdefs.h>
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MField::MField(MonoClassField* monoField, const char* name, MClass* parentClass)
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: _monoField(monoField)
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, _monoType(mono_field_get_type(monoField))
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, _parentClass(parentClass)
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, _name(name)
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, _hasCachedAttributes(false)
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{
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#if BUILD_DEBUG
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// Validate input name
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ASSERT(StringUtils::Compare(name, mono_field_get_name(monoField)) == 0);
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#endif
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const uint32_t flags = mono_field_get_flags(monoField);
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switch (flags & MONO_FIELD_ATTR_FIELD_ACCESS_MASK)
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{
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case MONO_FIELD_ATTR_PRIVATE:
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_visibility = MVisibility::Private;
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break;
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case MONO_FIELD_ATTR_FAM_AND_ASSEM:
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_visibility = MVisibility::ProtectedInternal;
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break;
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case MONO_FIELD_ATTR_ASSEMBLY:
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_visibility = MVisibility::Internal;
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break;
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case MONO_FIELD_ATTR_FAMILY:
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_visibility = MVisibility::Protected;
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break;
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case MONO_FIELD_ATTR_PUBLIC:
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_visibility = MVisibility::Public;
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break;
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default:
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CRASH;
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}
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_isStatic = (flags & MONO_FIELD_ATTR_STATIC) != 0;
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}
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MType MField::GetType() const
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{
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return MType(_monoType);
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}
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int32 MField::GetOffset() const
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{
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return mono_field_get_offset(_monoField) - sizeof(MonoObject);
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}
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void MField::GetValue(MonoObject* instance, void* result) const
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{
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mono_field_get_value(instance, _monoField, result);
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}
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MonoObject* MField::GetValueBoxed(MonoObject* instance) const
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{
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return mono_field_get_value_object(mono_domain_get(), _monoField, instance);
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}
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void MField::SetValue(MonoObject* instance, void* value) const
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{
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mono_field_set_value(instance, _monoField, value);
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}
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bool MField::HasAttribute(MClass* monoClass) const
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{
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MonoClass* parentClass = mono_field_get_parent(_monoField);
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MonoCustomAttrInfo* attrInfo = mono_custom_attrs_from_field(parentClass, _monoField);
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if (attrInfo == nullptr)
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return false;
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const bool hasAttr = mono_custom_attrs_has_attr(attrInfo, monoClass->GetNative()) != 0;
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mono_custom_attrs_free(attrInfo);
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return hasAttr;
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}
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bool MField::HasAttribute() const
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{
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MonoClass* parentClass = mono_field_get_parent(_monoField);
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MonoCustomAttrInfo* attrInfo = mono_custom_attrs_from_field(parentClass, _monoField);
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if (attrInfo == nullptr)
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return false;
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if (attrInfo->num_attrs > 0)
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{
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mono_custom_attrs_free(attrInfo);
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return true;
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}
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mono_custom_attrs_free(attrInfo);
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return false;
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}
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MonoObject* MField::GetAttribute(MClass* monoClass) const
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{
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MonoClass* parentClass = mono_field_get_parent(_monoField);
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MonoCustomAttrInfo* attrInfo = mono_custom_attrs_from_field(parentClass, _monoField);
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if (attrInfo == nullptr)
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return nullptr;
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MonoObject* foundAttr = mono_custom_attrs_get_attr(attrInfo, monoClass->GetNative());
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mono_custom_attrs_free(attrInfo);
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return foundAttr;
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}
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const Array<MonoObject*>& MField::GetAttributes()
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{
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if (_hasCachedAttributes)
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return _attributes;
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_hasCachedAttributes = true;
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MonoClass* parentClass = mono_field_get_parent(_monoField);
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MonoCustomAttrInfo* attrInfo = mono_custom_attrs_from_field(parentClass, _monoField);
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if (attrInfo == nullptr)
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return _attributes;
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MonoArray* monoAttributesArray = mono_custom_attrs_construct(attrInfo);
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const auto length = (uint32)mono_array_length(monoAttributesArray);
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_attributes.Resize(length);
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for (uint32 i = 0; i < length; i++)
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_attributes[i] = mono_array_get(monoAttributesArray, MonoObject*, i);
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mono_custom_attrs_free(attrInfo);
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return _attributes;
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}
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#endif
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