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LibJS: Always allocate ExecutionContext objects on the malloc heap
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.
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38 changed files with 251 additions and 217 deletions
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@ -22,7 +22,7 @@ namespace JS {
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JS_DEFINE_ALLOCATOR(ShadowRealm);
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ShadowRealm::ShadowRealm(Realm& shadow_realm, ExecutionContext execution_context, Object& prototype)
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ShadowRealm::ShadowRealm(Realm& shadow_realm, NonnullOwnPtr<ExecutionContext> execution_context, Object& prototype)
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: Object(ConstructWithPrototypeTag::Tag, prototype)
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, m_shadow_realm(shadow_realm)
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, m_execution_context(move(execution_context))
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@ -143,28 +143,28 @@ ThrowCompletionOr<Value> perform_shadow_realm_eval(VM& vm, StringView source_tex
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// NOTE: We don't support this concept yet.
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// 9. Let evalContext be a new ECMAScript code execution context.
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auto eval_context = ExecutionContext { vm.heap() };
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auto eval_context = ExecutionContext::create(vm.heap());
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// 10. Set evalContext's Function to null.
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eval_context.function = nullptr;
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eval_context->function = nullptr;
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// 11. Set evalContext's Realm to evalRealm.
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eval_context.realm = &eval_realm;
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eval_context->realm = &eval_realm;
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// 12. Set evalContext's ScriptOrModule to null.
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// Note: This is already the default value.
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// 13. Set evalContext's VariableEnvironment to varEnv.
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eval_context.variable_environment = variable_environment;
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eval_context->variable_environment = variable_environment;
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// 14. Set evalContext's LexicalEnvironment to lexEnv.
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eval_context.lexical_environment = lexical_environment;
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eval_context->lexical_environment = lexical_environment;
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// Non-standard
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eval_context.is_strict_mode = strict_eval;
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eval_context->is_strict_mode = strict_eval;
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// 15. Push evalContext onto the execution context stack; evalContext is now the running execution context.
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TRY(vm.push_execution_context(eval_context, {}));
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TRY(vm.push_execution_context(*eval_context, {}));
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// 16. Let result be Completion(EvalDeclarationInstantiation(body, varEnv, lexEnv, null, strictEval)).
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auto eval_result = eval_declaration_instantiation(vm, program, variable_environment, lexical_environment, nullptr, strict_eval);
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