d79438a2a6
Merging registers, constants and locals into single vector means: - Better data locality - No need to check type in Interpreter::get() and Interpreter::set() which are very hot functions Performance improvement is visible in almost all Octane and Kraken tests.
77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
/*
|
|
* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
|
|
* Copyright (c) 2020-2021, Linus Groh <linusg@serenityos.org>
|
|
* Copyright (c) 2022, Luke Wilde <lukew@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibJS/Bytecode/Executable.h>
|
|
#include <LibJS/Heap/Heap.h>
|
|
#include <LibJS/Runtime/ExecutionContext.h>
|
|
#include <LibJS/Runtime/FunctionObject.h>
|
|
|
|
namespace JS {
|
|
|
|
NonnullOwnPtr<ExecutionContext> ExecutionContext::create(Heap& heap)
|
|
{
|
|
return adopt_own(*new ExecutionContext(heap));
|
|
}
|
|
|
|
ExecutionContext::ExecutionContext(Heap& heap)
|
|
: m_heap(heap)
|
|
{
|
|
}
|
|
|
|
ExecutionContext::~ExecutionContext()
|
|
{
|
|
}
|
|
|
|
NonnullOwnPtr<ExecutionContext> ExecutionContext::copy() const
|
|
{
|
|
auto copy = create(m_heap);
|
|
copy->function = function;
|
|
copy->realm = realm;
|
|
copy->script_or_module = script_or_module;
|
|
copy->lexical_environment = lexical_environment;
|
|
copy->variable_environment = variable_environment;
|
|
copy->private_environment = private_environment;
|
|
copy->program_counter = program_counter;
|
|
copy->function_name = function_name;
|
|
copy->this_value = this_value;
|
|
copy->is_strict_mode = is_strict_mode;
|
|
copy->executable = executable;
|
|
copy->arguments = arguments;
|
|
copy->passed_argument_count = passed_argument_count;
|
|
copy->registers_and_constants_and_locals = registers_and_constants_and_locals;
|
|
copy->unwind_contexts = unwind_contexts;
|
|
copy->saved_lexical_environments = saved_lexical_environments;
|
|
copy->previously_scheduled_jumps = previously_scheduled_jumps;
|
|
return copy;
|
|
}
|
|
|
|
void ExecutionContext::visit_edges(Cell::Visitor& visitor)
|
|
{
|
|
visitor.visit(function);
|
|
visitor.visit(realm);
|
|
visitor.visit(variable_environment);
|
|
visitor.visit(lexical_environment);
|
|
visitor.visit(private_environment);
|
|
visitor.visit(context_owner);
|
|
visitor.visit(this_value);
|
|
visitor.visit(executable);
|
|
visitor.visit(function_name);
|
|
visitor.visit(arguments);
|
|
visitor.visit(registers_and_constants_and_locals);
|
|
for (auto& context : unwind_contexts) {
|
|
visitor.visit(context.lexical_environment);
|
|
}
|
|
visitor.visit(saved_lexical_environments);
|
|
script_or_module.visit(
|
|
[](Empty) {},
|
|
[&](auto& script_or_module) {
|
|
visitor.visit(script_or_module);
|
|
});
|
|
}
|
|
|
|
}
|