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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 "ASTNode.h"
#include "Attribute.h"
#include "CompilationMessage.h"
#include "GlobalDecl.h"
#include "Statements/CompoundStatement.h"
#include "TypeDecl.h"
namespace WGSL::AST {
class Parameter final : public ASTNode {
WTF_MAKE_FAST_ALLOCATED;
public:
Parameter(SourceSpan span, StringView name, UniqueRef<TypeDecl>&& type, Attributes&& attributes)
: ASTNode(span)
, m_name(WTFMove(name))
, m_type(WTFMove(type))
, m_attributes(WTFMove(attributes))
{
}
const StringView& name() const { return m_name; }
TypeDecl& type() { return m_type; }
Attributes& attributes() { return m_attributes; }
private:
StringView m_name;
UniqueRef<TypeDecl> m_type;
Attributes m_attributes;
};
class FunctionDecl final : public GlobalDecl {
WTF_MAKE_FAST_ALLOCATED;
public:
FunctionDecl(SourceSpan sourceSpan, StringView name, Vector<UniqueRef<Parameter>>&& parameters, std::unique_ptr<TypeDecl>&& returnType, CompoundStatement&& body, Attributes&& attributes, Attributes&& returnAttributes)
: GlobalDecl(sourceSpan)
, m_name(name)
, m_parameters(WTFMove(parameters))
, m_attributes(WTFMove(attributes))
, m_returnAttributes(WTFMove(returnAttributes))
, m_returnType(WTFMove(returnType))
, m_body(WTFMove(body))
{
}
Kind kind() const override { return Kind::Function; }
const StringView& name() const { return m_name; }
Vector<UniqueRef<Parameter>>& parameters() { return m_parameters; }
Attributes& attributes() { return m_attributes; }
Attributes& returnAttributes() { return m_returnAttributes; }
TypeDecl* maybeReturnType() { return m_returnType.get(); }
CompoundStatement& body() { return m_body; }
private:
StringView m_name;
Vector<UniqueRef<Parameter>> m_parameters;
Attributes m_attributes;
Attributes m_returnAttributes;
std::unique_ptr<TypeDecl> m_returnType;
CompoundStatement m_body;
};
} // namespace WGSL::AST
SPECIALIZE_TYPE_TRAITS_WGSL_GLOBAL_DECL(FunctionDecl, isFunction())
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