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LibJS: Always allocate ExecutionContext objects on the malloc heap

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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.
This commit is contained in:
Andreas Kling 2023-11-27 16:45:45 +01:00
parent 845da3901d
commit 3dc5f467a8
38 changed files with 251 additions and 217 deletions
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16
Userland/Libraries/LibJS/Runtime/ShadowRealm.cpp
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@ -22,7 +22,7 @@ namespace JS {
JS_DEFINE_ALLOCATOR(ShadowRealm);
ShadowRealm::ShadowRealm(Realm& shadow_realm, ExecutionContext execution_context, Object& prototype)
ShadowRealm::ShadowRealm(Realm& shadow_realm, NonnullOwnPtr<ExecutionContext> execution_context, Object& prototype)
: Object(ConstructWithPrototypeTag::Tag, prototype)
, m_shadow_realm(shadow_realm)
, m_execution_context(move(execution_context))
@ -143,28 +143,28 @@ ThrowCompletionOr<Value> perform_shadow_realm_eval(VM& vm, StringView source_tex
// NOTE: We don't support this concept yet.
// 9. Let evalContext be a new ECMAScript code execution context.
auto eval_context = ExecutionContext { vm.heap() };
auto eval_context = ExecutionContext::create(vm.heap());
// 10. Set evalContext's Function to null.
eval_context.function = nullptr;
eval_context->function = nullptr;
// 11. Set evalContext's Realm to evalRealm.
eval_context.realm = &eval_realm;
eval_context->realm = &eval_realm;
// 12. Set evalContext's ScriptOrModule to null.
// Note: This is already the default value.
// 13. Set evalContext's VariableEnvironment to varEnv.
eval_context.variable_environment = variable_environment;
eval_context->variable_environment = variable_environment;
// 14. Set evalContext's LexicalEnvironment to lexEnv.
eval_context.lexical_environment = lexical_environment;
eval_context->lexical_environment = lexical_environment;
// Non-standard
eval_context.is_strict_mode = strict_eval;
eval_context->is_strict_mode = strict_eval;
// 15. Push evalContext onto the execution context stack; evalContext is now the running execution context.
TRY(vm.push_execution_context(eval_context, {}));
TRY(vm.push_execution_context(*eval_context, {}));
// 16. Let result be Completion(EvalDeclarationInstantiation(body, varEnv, lexEnv, null, strictEval)).
auto eval_result = eval_declaration_instantiation(vm, program, variable_environment, lexical_environment, nullptr, strict_eval);