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LibJS: Add argument(i) and argument_count() to Interpreter

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Add some convenience accessors for retrieving arguments from the
current call frame.
This commit is contained in:
Andreas Kling 2020-04-01 22:38:59 +02:00
parent 1549c5c48b
commit cd1d369cdd
9 changed files with 49 additions and 34 deletions
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16
Libraries/LibJS/Runtime/ObjectConstructor.cpp
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@ -57,9 +57,9 @@ Value ObjectConstructor::construct(Interpreter& interpreter)
Value ObjectConstructor::get_own_property_names(Interpreter& interpreter)
{
if (interpreter.call_frame().arguments.size() < 1)
if (!interpreter.argument_count())
return {};
auto* object = interpreter.call_frame().arguments[0].to_object(interpreter.heap());
auto* object = interpreter.argument(0).to_object(interpreter.heap());
if (interpreter.exception())
return {};
auto* result = interpreter.heap().allocate<Array>();
@ -75,9 +75,9 @@ Value ObjectConstructor::get_own_property_names(Interpreter& interpreter)
Value ObjectConstructor::get_prototype_of(Interpreter& interpreter)
{
if (interpreter.call_frame().arguments.size() < 1)
if (!interpreter.argument_count())
return {};
auto* object = interpreter.call_frame().arguments[0].to_object(interpreter.heap());
auto* object = interpreter.argument(0).to_object(interpreter.heap());
if (interpreter.exception())
return {};
return object->prototype();
@ -85,14 +85,14 @@ Value ObjectConstructor::get_prototype_of(Interpreter& interpreter)
Value ObjectConstructor::set_prototype_of(Interpreter& interpreter)
{
if (interpreter.call_frame().arguments.size() < 2)
if (interpreter.argument_count() < 2)
return {};
if (!interpreter.call_frame().arguments[1].is_object())
if (!interpreter.argument(0).is_object())
return {};
auto* object = interpreter.call_frame().arguments[0].to_object(interpreter.heap());
auto* object = interpreter.argument(0).to_object(interpreter.heap());
if (interpreter.exception())
return {};
object->set_prototype(&const_cast<Object&>(interpreter.call_frame().arguments[1].as_object()));
object->set_prototype(&const_cast<Object&>(interpreter.argument(1).as_object()));
return {};
}