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LibWeb: Add support for accessing exported wasm table instances
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3 changed files with 13 additions and 0 deletions
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@ -14,6 +14,7 @@
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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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#include <LibWeb/WebAssembly/WebAssemblyTableObject.h>
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namespace Web::Bindings {
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@ -51,6 +52,14 @@ void WebAssemblyInstanceObject::initialize(JS::Realm& realm)
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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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[&](Wasm::TableAddress const& address) {
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Optional<WebAssemblyTableObject*> object = cache.table_instances.get(address);
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if (!object.has_value()) {
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object = heap().allocate<Web::Bindings::WebAssemblyTableObject>(realm, realm, address);
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cache.table_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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[&](auto const&) {
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// FIXME: Implement other exports!
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});
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@ -84,6 +84,8 @@ void WebAssemblyObject::visit_edges(Visitor& visitor)
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visitor.visit(entry.value);
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for (auto& entry : module_cache.memory_instances)
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visitor.visit(entry.value);
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for (auto& entry : module_cache.table_instances)
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visitor.visit(entry.value);
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}
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}
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@ -14,6 +14,7 @@
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namespace Web::Bindings {
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class WebAssemblyMemoryObject;
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class WebAssemblyTableObject;
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JS::ThrowCompletionOr<size_t> parse_module(JS::VM&, JS::Object* buffer);
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JS::NativeFunction* create_native_function(JS::VM&, Wasm::FunctionAddress address, String const& name);
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JS::Value to_js_value(JS::VM&, Wasm::Value& wasm_value);
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@ -47,6 +48,7 @@ public:
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struct ModuleCache {
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HashMap<Wasm::FunctionAddress, JS::FunctionObject*> function_instances;
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HashMap<Wasm::MemoryAddress, WebAssemblyMemoryObject*> memory_instances;
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HashMap<Wasm::TableAddress, WebAssemblyTableObject*> table_instances;
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};
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struct GlobalModuleCache {
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HashMap<Wasm::FunctionAddress, JS::NativeFunction*> function_instances;
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