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LibJS: Implement bytecode generation for WithStatement

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Ali Mohammad Pur 2022-03-13 16:01:18 +03:30 • committed by Andreas Kling
parent 57386ca839
commit 2000251333
5 changed files with 38 additions and 0 deletions
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15
Userland/Libraries/LibJS/Bytecode/Op.cpp
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@ -18,6 +18,7 @@
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Iterator.h>
#include <LibJS/Runtime/IteratorOperations.h>
#include <LibJS/Runtime/ObjectEnvironment.h>
#include <LibJS/Runtime/RegExpObject.h>
#include <LibJS/Runtime/Value.h>
@ -274,6 +275,15 @@ ThrowCompletionOr<void> CreateEnvironment::execute_impl(Bytecode::Interpreter& i
return {};
}
ThrowCompletionOr<void> EnterObjectEnvironment::execute_impl(Bytecode::Interpreter& interpreter) const
{
auto& old_environment = interpreter.vm().running_execution_context().lexical_environment;
interpreter.saved_lexical_environment_stack().append(old_environment);
auto object = TRY(interpreter.accumulator().to_object(interpreter.global_object()));
interpreter.vm().running_execution_context().lexical_environment = new_object_environment(*object, true, old_environment);
return {};
}
ThrowCompletionOr<void> CreateVariable::execute_impl(Bytecode::Interpreter& interpreter) const
{
auto& vm = interpreter.vm();
@ -695,6 +705,11 @@ String CreateVariable::to_string_impl(Bytecode::Executable const& executable) co
return String::formatted("CreateVariable env:{} immutable:{} {} ({})", mode_string, m_is_immutable, m_identifier, executable.identifier_table->get(m_identifier));
}
String EnterObjectEnvironment::to_string_impl(const Executable&) const
{
return String::formatted("EnterObjectEnvironment");
}
String SetVariable::to_string_impl(Bytecode::Executable const& executable) const
{
auto initialization_mode_name = m_initialization_mode == InitializationMode ::Initialize ? "Initialize"