/*
 * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
 * Distributed under the terms of the MIT License.
 */


#include "Type.h"


// #pragma mark - BaseType


BaseType::~BaseType()
{
}


// #pragma mark - DataMember


DataMember::~DataMember()
{
}


// #pragma mark - EnumeratorValue


EnumeratorValue::~EnumeratorValue()
{
}


// #pragma mark - ArrayDimension


ArrayDimension::~ArrayDimension()
{
}


uint64
ArrayDimension::CountElements() const
{
	Type* type = GetType();

	if (type->Kind() == TYPE_ENUMERATION)
		return dynamic_cast<EnumerationType*>(type)->CountValues();

	if (type->Kind() == TYPE_SUBRANGE) {
		SubrangeType* subrangeType = dynamic_cast<SubrangeType*>(type);
		BVariant lower = subrangeType->LowerBound();
		BVariant upper = subrangeType->UpperBound();
		bool isSigned;
		if (!lower.IsInteger(&isSigned) || !upper.IsInteger())
			return 0;

		return isSigned
			? upper.ToInt64() - lower.ToInt64() + 1
			: upper.ToUInt64() - lower.ToUInt64() + 1;
	}

	return 0;
}


// #pragma mark - FunctionParameter


FunctionParameter::~FunctionParameter()
{
}


// #pragma mark - TemplateParameter


TemplateParameter::~TemplateParameter()
{
}


// #pragma mark - Type


Type::~Type()
{
}


Type*
Type::ResolveRawType(bool nextOneOnly) const
{
	return const_cast<Type*>(this);
}


status_t
Type::CreateDerivedAddressType(address_type_kind kind,
	AddressType*& _resultType)
{
	_resultType = NULL;
	return B_ERROR;
}


status_t
Type::CreateDerivedArrayType(int64 lowerBound, int64 elementCount,
	bool extendExisting, ArrayType*& _resultType)
{
	_resultType = NULL;
	return B_ERROR;
}


// #pragma mark - PrimitiveType


PrimitiveType::~PrimitiveType()
{
}


type_kind
PrimitiveType::Kind() const
{
	return TYPE_PRIMITIVE;
}


// #pragma mark - CompoundType


CompoundType::~CompoundType()
{
}


type_kind
CompoundType::Kind() const
{
	return TYPE_COMPOUND;
}


// #pragma mark - ModifiedType


ModifiedType::~ModifiedType()
{
}


type_kind
ModifiedType::Kind() const
{
	return TYPE_MODIFIED;
}


Type*
ModifiedType::ResolveRawType(bool nextOneOnly) const
{
	Type* baseType = BaseType();
	return nextOneOnly ? baseType : baseType->ResolveRawType(true);
}


// #pragma mark - TypedefType


TypedefType::~TypedefType()
{
}


type_kind
TypedefType::Kind() const
{
	return TYPE_TYPEDEF;
}


Type*
TypedefType::ResolveRawType(bool nextOneOnly) const
{
	Type* baseType = BaseType();
	return nextOneOnly ? baseType : baseType->ResolveRawType(true);
}


// #pragma mark - AddressType


AddressType::~AddressType()
{
}


type_kind
AddressType::Kind() const
{
	return TYPE_ADDRESS;
}


// #pragma mark - EnumerationType


EnumerationType::~EnumerationType()
{
}


type_kind
EnumerationType::Kind() const
{
	return TYPE_ENUMERATION;
}


EnumeratorValue*
EnumerationType::ValueFor(const BVariant& value) const
{
	// TODO: Optimize?
	for (int32 i = 0; EnumeratorValue* enumValue = ValueAt(i); i++) {
		if (enumValue->Value() == value)
			return enumValue;
	}

	return NULL;
}


// #pragma mark - SubrangeType


SubrangeType::~SubrangeType()
{
}


type_kind
SubrangeType::Kind() const
{
	return TYPE_SUBRANGE;
}


// #pragma mark - ArrayType


ArrayType::~ArrayType()
{
}


type_kind
ArrayType::Kind() const
{
	return TYPE_ARRAY;
}


// #pragma mark - UnspecifiedType


UnspecifiedType::~UnspecifiedType()
{
}


type_kind
UnspecifiedType::Kind() const
{
	return TYPE_UNSPECIFIED;
}


// #pragma mark - FunctionType


FunctionType::~FunctionType()
{
}


type_kind
FunctionType::Kind() const
{
	return TYPE_FUNCTION;
}


// #pragma mark - PointerToMemberType


PointerToMemberType::~PointerToMemberType()
{
}


type_kind
PointerToMemberType::Kind() const
{
	return TYPE_POINTER_TO_MEMBER;
}