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LibJS: Make Bytecode::Executable GC-allocated

This is a step towards making ExecutionContext easier to allocate.
This commit is contained in:
Andreas Kling 2023-11-27 13:23:59 +01:00
parent ece961f882
commit ecfcc9aef3
13 changed files with 34 additions and 19 deletions

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@ -679,7 +679,7 @@ ThrowCompletionOr<Value> perform_eval(VM& vm, Value x, CallerMode strict_caller,
// 29. If result.[[Type]] is normal, then
// a. Set result to the result of evaluating body.
auto executable_result = Bytecode::Generator::generate(program);
auto executable_result = Bytecode::Generator::generate(vm, program);
if (executable_result.is_error())
return vm.throw_completion<InternalError>(ErrorType::NotImplemented, TRY_OR_THROW_OOM(vm, executable_result.error().to_string()));

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@ -527,6 +527,10 @@ void ECMAScriptFunctionObject::visit_edges(Visitor& visitor)
visitor.visit(m_realm);
visitor.visit(m_home_object);
visitor.visit(m_bytecode_executable);
for (auto& executable : m_default_parameter_bytecode_executables)
visitor.visit(executable);
for (auto& field : m_fields) {
if (auto* property_key_ptr = field.name.get_pointer<PropertyKey>(); property_key_ptr && property_key_ptr->is_symbol())
visitor.visit(property_key_ptr->as_symbol());

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@ -112,8 +112,8 @@ private:
ThrowCompletionOr<void> function_declaration_instantiation();
DeprecatedFlyString m_name;
RefPtr<Bytecode::Executable> m_bytecode_executable;
Vector<NonnullRefPtr<Bytecode::Executable>> m_default_parameter_bytecode_executables;
GCPtr<Bytecode::Executable> m_bytecode_executable;
Vector<NonnullGCPtr<Bytecode::Executable>> m_default_parameter_bytecode_executables;
i32 m_function_length { 0 };
Vector<DeprecatedFlyString> m_local_variables_names;

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@ -6,6 +6,7 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Bytecode/Executable.h>
#include <LibJS/Runtime/ExecutionContext.h>
#include <LibJS/Runtime/FunctionObject.h>
@ -50,6 +51,8 @@ void ExecutionContext::visit_edges(Cell::Visitor& visitor)
visitor.visit(private_environment);
visitor.visit(context_owner);
visitor.visit(this_value);
if (instruction_stream_iterator.has_value())
visitor.visit(const_cast<Bytecode::Executable*>(instruction_stream_iterator.value().executable()));
script_or_module.visit(
[](Empty) {},
[&](auto& script_or_module) {

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@ -55,7 +55,7 @@ public:
MarkedVector<Value> local_variables;
bool is_strict_mode { false };
RefPtr<Bytecode::Executable> executable;
GCPtr<Bytecode::Executable> executable;
// https://html.spec.whatwg.org/multipage/webappapis.html#skip-when-determining-incumbent-counter
// FIXME: Move this out of LibJS (e.g. by using the CustomData concept), as it's used exclusively by LibWeb.