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/*
* Copyright (c) 2021-2022 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. ``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.
*/
#include "config.h"
#include "WGSL.h"
#include "Parser.h"
namespace WGSL {
std::variant<SuccessfulCheck, FailedCheck> staticCheck(const String& wgsl, const std::optional<SourceMap>&)
{
Expected<AST::ShaderModule, Error> parserResult = wgsl.is8Bit() ? parseLChar(wgsl) : parseUChar(wgsl);
if (!parserResult.has_value()) {
// FIXME: Add support for returning multiple errors from the parser.
return FailedCheck { { parserResult.error() }, { /* warnings */ } };
}
UniqueRef<AST::ShaderModule> shader = makeUniqueRef<AST::ShaderModule>(WTFMove(parserResult.value()));
Vector<Warning> warnings { };
// FIXME: add validation
return std::variant<SuccessfulCheck, FailedCheck>(std::in_place_type<SuccessfulCheck>, WTFMove(warnings), WTFMove(shader));
}
SuccessfulCheck::SuccessfulCheck(SuccessfulCheck&&) = default;
SuccessfulCheck::SuccessfulCheck(Vector<Warning>&& messages, UniqueRef<AST::ShaderModule>&& shader)
: warnings(WTFMove(messages))
, ast(WTFMove(shader))
{
}
SuccessfulCheck::~SuccessfulCheck() = default;
PrepareResult prepare(const AST::ShaderModule& ast, const HashMap<String, PipelineLayout>& pipelineLayouts)
{
UNUSED_PARAM(ast);
UNUSED_PARAM(pipelineLayouts);
return { String(), { } };
}
PrepareResult prepare(const AST::ShaderModule& ast, const String& entryPointName, const std::optional<PipelineLayout>& pipelineLayouts)
{
UNUSED_PARAM(ast);
UNUSED_PARAM(entryPointName);
UNUSED_PARAM(pipelineLayouts);
return { String(), { } };
}
}
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