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			66 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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 * Copyright (c) 2021, Ali Mohammad Pur <mpfard@serenityos.org>
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 *
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 * SPDX-License-Identifier: BSD-2-Clause
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 */
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#include <AK/ScopeGuard.h>
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#include <LibJS/Runtime/Array.h>
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#include <LibJS/Runtime/ArrayBuffer.h>
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#include <LibJS/Runtime/BigInt.h>
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#include <LibJS/Runtime/TypedArray.h>
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#include <LibWasm/AbstractMachine/Interpreter.h>
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#include <LibWeb/Bindings/WindowObject.h>
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#include <LibWeb/WebAssembly/WebAssemblyInstanceObject.h>
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#include <LibWeb/WebAssembly/WebAssemblyMemoryPrototype.h>
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#include <LibWeb/WebAssembly/WebAssemblyObject.h>
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namespace Web::Bindings {
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WebAssemblyInstanceObject::WebAssemblyInstanceObject(JS::GlobalObject& global_object, size_t index)
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    : Object(static_cast<Web::Bindings::WindowObject&>(global_object).ensure_web_prototype<WebAssemblyInstancePrototype>("WebAssemblyInstancePrototype"))
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    , m_index(index)
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{
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}
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void WebAssemblyInstanceObject::initialize(JS::GlobalObject& global_object)
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{
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    Object::initialize(global_object);
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    VERIFY(!m_exports_object);
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    m_exports_object = create(global_object, nullptr);
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    auto& instance = this->instance();
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    auto& cache = this->cache();
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    for (auto& export_ : instance.exports()) {
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        export_.value().visit(
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            [&](const Wasm::FunctionAddress& address) {
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                auto object = cache.function_instances.get(address);
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                if (!object.has_value()) {
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                    object = create_native_function(global_object, address, export_.name());
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                    cache.function_instances.set(address, *object);
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                }
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                m_exports_object->define_direct_property(export_.name(), *object, JS::default_attributes);
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            },
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            [&](const Wasm::MemoryAddress& address) {
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                auto object = cache.memory_instances.get(address);
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                if (!object.has_value()) {
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                    object = heap().allocate<Web::Bindings::WebAssemblyMemoryObject>(global_object, global_object, address);
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                    cache.memory_instances.set(address, *object);
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                }
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                m_exports_object->define_direct_property(export_.name(), *object, JS::default_attributes);
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            },
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            [&](const auto&) {
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                // FIXME: Implement other exports!
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            });
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    }
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    MUST(m_exports_object->set_integrity_level(IntegrityLevel::Frozen));
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}
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void WebAssemblyInstanceObject::visit_edges(Visitor& visitor)
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{
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    Base::visit_edges(visitor);
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    visitor.visit(m_exports_object);
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}
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}
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