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/*
* Copyright (C) 2025 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
#if ENABLE(WEBASSEMBLY)
#include "IteratorOperations.h"
#include "WasmModule.h"
#include <wtf/text/WTFString.h>
namespace JSC {
// Captures the information extracted from the optional compilation options argument
// added by the js-string builtins proposal to `WebAssembly.Module` constructor
// and a number of other APIs.
//
// As an instance is constructed, builtin set names listed in the `builtins` attribute (if
// present) are qualified: "foo" becomes "wasm:foo".
class WebAssemblyCompileOptions {
public:
// Create an instance if `optionsObject` is not a nullptr, or return a `nullopt`.
static std::optional<WebAssemblyCompileOptions> tryCreate(JSGlobalObject*, JSObject* optionsObject);
const std::optional<String>& importedStringConstants() const { return m_importedStringConstants; }
const Vector<String>& qualifiedBuiltinSetNames() const { return m_qualifiedBuiltinSetNames; }
// Validate the options in the context of the given module as specified in
// https://webassembly.github.io/js-string-builtins/js-api/#validate-builtins-and-imported-string-for-a-webassembly-module.
// Return an empty optional on success, or a String with the error message.
std::optional<String> validateBuiltinsAndImportedStrings(const Wasm::Module&) const;
private:
bool validateBuiltinSetNames() const;
bool validateImportForBuiltinSetNames(const Wasm::Import&, const String& importModuleName, const Wasm::ModuleInformation&) const;
std::optional<String> m_importedStringConstants;
Vector<String> m_qualifiedBuiltinSetNames;
};
} // namespace JSC
#endif // ENABLE(WEBASSEMBLY)
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