summaryrefslogtreecommitdiff
path: root/Userland/Libraries/LibWeb/WebAssembly/WebAssemblyInstanceConstructor.cpp
blob: 0f40dd54294707799ad538a71f5e4eabaa73c170 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
/*
 * Copyright (c) 2021, Ali Mohammad Pur <mpfard@serenityos.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#include <LibJS/Runtime/GlobalObject.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/WebAssembly/WebAssemblyInstanceConstructor.h>
#include <LibWeb/WebAssembly/WebAssemblyInstanceObject.h>
#include <LibWeb/WebAssembly/WebAssemblyInstanceObjectPrototype.h>
#include <LibWeb/WebAssembly/WebAssemblyModuleObject.h>
#include <LibWeb/WebAssembly/WebAssemblyObject.h>

namespace Web::Bindings {

WebAssemblyInstanceConstructor::WebAssemblyInstanceConstructor(JS::Realm& realm)
    : NativeFunction(*realm.intrinsics().function_prototype())
{
}

WebAssemblyInstanceConstructor::~WebAssemblyInstanceConstructor() = default;

JS::ThrowCompletionOr<JS::Value> WebAssemblyInstanceConstructor::call()
{
    return vm().throw_completion<JS::TypeError>(JS::ErrorType::ConstructorWithoutNew, "WebAssembly.Instance");
}

JS::ThrowCompletionOr<JS::Object*> WebAssemblyInstanceConstructor::construct(FunctionObject&)
{
    auto& vm = this->vm();
    auto& realm = *vm.current_realm();

    auto* module_argument = TRY(vm.argument(0).to_object(vm));
    if (!is<WebAssemblyModuleObject>(module_argument))
        return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAnObjectOfType, "WebAssembly.Module");
    auto& module_object = static_cast<WebAssemblyModuleObject&>(*module_argument);
    auto result = TRY(WebAssemblyObject::instantiate_module(vm, module_object.module()));
    return heap().allocate<WebAssemblyInstanceObject>(realm, realm, result);
}

void WebAssemblyInstanceConstructor::initialize(JS::Realm& realm)
{
    auto& vm = this->vm();

    NativeFunction::initialize(realm);
    define_direct_property(vm.names.prototype, &Bindings::ensure_web_prototype<WebAssemblyInstancePrototype>(realm, "WebAssemblyInstancePrototype"), 0);
    define_direct_property(vm.names.length, JS::Value(1), JS::Attribute::Configurable);
}

}