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LibJS/Bytecode: Move SetVariable implementation to CommonImplementations

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This commit is contained in:
Andreas Kling 2023-10-21 15:30:39 +02:00
parent e946440ed3
commit 393d90abe1
4 changed files with 24 additions and 10 deletions
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20
Userland/Libraries/LibJS/Bytecode/CommonImplementations.cpp
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@ -244,4 +244,24 @@ ThrowCompletionOr<Value> typeof_variable(VM& vm, DeprecatedFlyString const& stri
return PrimitiveString::create(vm, value.typeof());
}
ThrowCompletionOr<void> set_variable(
VM& vm,
DeprecatedFlyString const& name,
Value value,
Op::EnvironmentMode mode,
Op::SetVariable::InitializationMode initialization_mode)
{
auto environment = mode == Op::EnvironmentMode::Lexical ? vm.running_execution_context().lexical_environment : vm.running_execution_context().variable_environment;
auto reference = TRY(vm.resolve_binding(name, environment));
switch (initialization_mode) {
case Op::SetVariable::InitializationMode::Initialize:
TRY(reference.initialize_referenced_binding(vm, value));
break;
case Op::SetVariable::InitializationMode::Set:
TRY(reference.put_value(vm, value));
break;
}
return {};
}
}

1
Userland/Libraries/LibJS/Bytecode/CommonImplementations.h
View file

@ -21,5 +21,6 @@ ThrowCompletionOr<Value> perform_call(Interpreter&, Value this_value, Op::CallTy
template<typename InstructionType>
ThrowCompletionOr<void> throw_if_needed_for_call(Interpreter&, InstructionType const&, Value callee);
ThrowCompletionOr<Value> typeof_variable(VM&, DeprecatedFlyString const&);
ThrowCompletionOr<void> set_variable(VM&, DeprecatedFlyString const&, Value, Op::EnvironmentMode, Op::SetVariable::InitializationMode);
}

11
Userland/Libraries/LibJS/Bytecode/Interpreter.cpp
View file

@ -925,16 +925,7 @@ ThrowCompletionOr<void> SetVariable::execute_impl(Bytecode::Interpreter& interpr
{
auto& vm = interpreter.vm();
auto const& name = interpreter.current_executable().get_identifier(m_identifier);
auto environment = m_mode == EnvironmentMode::Lexical ? vm.running_execution_context().lexical_environment : vm.running_execution_context().variable_environment;
auto reference = TRY(vm.resolve_binding(name, environment));
switch (m_initialization_mode) {
case InitializationMode::Initialize:
TRY(reference.initialize_referenced_binding(vm, interpreter.accumulator()));
break;
case InitializationMode::Set:
TRY(reference.put_value(vm, interpreter.accumulator()));
break;
}
TRY(set_variable(vm, name, interpreter.accumulator(), m_mode, m_initialization_mode));
return {};
}

2
Userland/Libraries/LibJS/Bytecode/Op.h
View file

@ -428,6 +428,8 @@ public:
DeprecatedString to_deprecated_string_impl(Bytecode::Executable const&) const;
IdentifierTableIndex identifier() const { return m_identifier; }
EnvironmentMode mode() const { return m_mode; }
InitializationMode initialization_mode() const { return m_initialization_mode; }
private:
IdentifierTableIndex m_identifier;