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https://github.com/LadybirdBrowser/ladybird.git
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3dc5f467a8
Instead of allocating these in a mixture of ways, we now always put them on the malloc heap, and keep an intrusive linked list of them that we can iterate for GC marking purposes.
51 lines
1.8 KiB
C++
51 lines
1.8 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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#pragma once
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#include <LibJS/Bytecode/Interpreter.h>
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#include <LibJS/Runtime/ECMAScriptFunctionObject.h>
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#include <LibJS/Runtime/Object.h>
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namespace JS {
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class GeneratorObject : public Object {
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JS_OBJECT(GeneratorObject, Object);
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JS_DECLARE_ALLOCATOR(GeneratorObject);
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public:
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static ThrowCompletionOr<NonnullGCPtr<GeneratorObject>> create(Realm&, Value, ECMAScriptFunctionObject*, NonnullOwnPtr<ExecutionContext>, Bytecode::CallFrame);
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virtual ~GeneratorObject() override = default;
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void visit_edges(Cell::Visitor&) override;
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ThrowCompletionOr<Value> resume(VM&, Value value, Optional<StringView> const& generator_brand);
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ThrowCompletionOr<Value> resume_abrupt(VM&, JS::Completion abrupt_completion, Optional<StringView> const& generator_brand);
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enum class GeneratorState {
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SuspendedStart,
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SuspendedYield,
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Executing,
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Completed,
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};
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GeneratorState generator_state() const { return m_generator_state; }
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void set_generator_state(GeneratorState generator_state) { m_generator_state = generator_state; }
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protected:
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GeneratorObject(Realm&, Object& prototype, NonnullOwnPtr<ExecutionContext>, Optional<StringView> generator_brand = {});
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ThrowCompletionOr<GeneratorState> validate(VM&, Optional<StringView> const& generator_brand);
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virtual ThrowCompletionOr<Value> execute(VM&, JS::Completion const& completion);
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private:
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NonnullOwnPtr<ExecutionContext> m_execution_context;
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GCPtr<ECMAScriptFunctionObject> m_generating_function;
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Value m_previous_value;
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Optional<Bytecode::CallFrame> m_frame;
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GeneratorState m_generator_state { GeneratorState::SuspendedStart };
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Optional<StringView> m_generator_brand;
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};
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}
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