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/*
* Copyright (c) 2021 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. ``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
* 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 "FunctionDecl.h"
#include "GlobalDecl.h"
#include "GlobalDirective.h"
#include "GlobalVariableDecl.h"
#include "StructureDecl.h"
#include <wtf/HashMap.h>
#include <wtf/text/StringHash.h>
#include <wtf/text/WTFString.h>
namespace WGSL::AST {
class ShaderModule final : ASTNode {
WTF_MAKE_FAST_ALLOCATED;
public:
ShaderModule(SourceSpan span, Vector<UniqueRef<GlobalDirective>>&& directives, Vector<UniqueRef<GlobalDecl>>&& decls)
: ASTNode(span)
, m_directives(WTFMove(directives))
{
for (auto& decl : decls) {
if (is<StructDecl>(decl.get())) {
// We want to go from UniqueRef<BaseClass> to UniqueRef<DerivedClass>, but that is not supported by downcast.
// So instead we do UniqueRef -> unique_ptr -> raw_pointer -(downcast)-> raw_pointer -> unique_ptr -> UniqueRef...
GlobalDecl* rawPtr = decl.moveToUniquePtr().release();
StructDecl* downcastedRawPtr = downcast<StructDecl>(rawPtr);
m_structs.append(makeUniqueRefFromNonNullUniquePtr(std::unique_ptr<StructDecl>(downcastedRawPtr)));
} else if (is<GlobalVariableDecl>(decl.get())) {
GlobalDecl* rawPtr = decl.moveToUniquePtr().release();
GlobalVariableDecl* downcastedRawPtr = downcast<GlobalVariableDecl>(rawPtr);
m_globalVars.append(makeUniqueRefFromNonNullUniquePtr(std::unique_ptr<GlobalVariableDecl>(downcastedRawPtr)));
} else {
GlobalDecl* rawPtr = decl.moveToUniquePtr().release();
FunctionDecl* func = downcast<FunctionDecl>(rawPtr);
m_functions.append(makeUniqueRefFromNonNullUniquePtr(std::unique_ptr<FunctionDecl>(func)));
}
}
}
Vector<UniqueRef<GlobalDirective>>& directives() { return m_directives; }
Vector<UniqueRef<StructDecl>>& structs() { return m_structs; }
Vector<UniqueRef<GlobalVariableDecl>>& globalVars() { return m_globalVars; }
Vector<UniqueRef<FunctionDecl>>& functions() { return m_functions; }
private:
Vector<UniqueRef<GlobalDirective>> m_directives;
Vector<UniqueRef<StructDecl>> m_structs;
Vector<UniqueRef<GlobalVariableDecl>> m_globalVars;
Vector<UniqueRef<FunctionDecl>> m_functions;
};
} // namespace WGSL::AST
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