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/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "ASTAttribute.h"
#include "ASTDeclaration.h"
#include "ASTIdentifier.h"
#include "ASTStructureMember.h"
namespace WGSL::AST {
enum class StructureRole : uint8_t {
UserDefined,
VertexInput,
FragmentInput,
ComputeInput,
VertexOutput,
BindGroup,
UserDefinedResource,
PackedResource,
};
class Structure final : public Declaration {
WGSL_AST_BUILDER_NODE(Structure);
public:
using Ref = std::reference_wrapper<Structure>;
using List = ReferenceWrapperVector<Structure>;
NodeKind kind() const override;
StructureRole role() const { return m_role; }
StructureRole& role() { return m_role; }
Identifier& name() { return m_name; }
Attribute::List& attributes() { return m_attributes; }
StructureMember::List& members() { return m_members; }
Structure* original() const { return m_original; }
Structure* packed() const { return m_packed; }
void setRole(StructureRole role) { m_role = role; }
private:
Structure(SourceSpan span, Identifier&& name, StructureMember::List&& members, Attribute::List&& attributes, StructureRole role, Structure* original = nullptr)
: Declaration(span)
, m_name(WTFMove(name))
, m_attributes(WTFMove(attributes))
, m_members(WTFMove(members))
, m_role(role)
, m_original(original)
{
if (m_original) {
ASSERT(m_role == StructureRole::PackedResource);
m_original->m_packed = this;
}
}
Identifier m_name;
Attribute::List m_attributes;
StructureMember::List m_members;
StructureRole m_role;
Structure* m_original;
Structure* m_packed { nullptr };
};
} // namespace WGSL::AST
SPECIALIZE_TYPE_TRAITS_WGSL_AST(Structure)
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