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LibJS: Implement the Error Cause proposal

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Currently stage 3. https://github.com/tc39/proposal-error-cause
This commit is contained in:
Linus Groh 2021-06-11 20:40:08 +01:00
parent 8d77a3297a
commit 862ba64037
11 changed files with 130 additions and 42 deletions
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48
Userland/Libraries/LibJS/Runtime/Error.cpp
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@ -10,14 +10,17 @@
namespace JS {
Error* Error::create(GlobalObject& global_object, const String& message)
Error* Error::create(GlobalObject& global_object)
{
return global_object.heap().allocate<Error>(global_object, *global_object.error_prototype());
}
Error* Error::create(GlobalObject& global_object, String const& message)
{
auto& vm = global_object.vm();
auto* error = global_object.heap().allocate<Error>(global_object, *global_object.error_prototype());
if (!message.is_null()) {
u8 attr = Attribute::Writable | Attribute::Configurable;
error->define_property(vm.names.message, js_string(vm, message), attr);
}
auto* error = Error::create(global_object);
u8 attr = Attribute::Writable | Attribute::Configurable;
error->define_property(vm.names.message, js_string(vm, message), attr);
return error;
}
@ -26,21 +29,24 @@ Error::Error(Object& prototype)
{
}
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \
ClassName* ClassName::create(GlobalObject& global_object, const String& message) \
{ \
auto& vm = global_object.vm(); \
auto* error = global_object.heap().allocate<ClassName>(global_object, *global_object.snake_name##_prototype()); \
if (!message.is_null()) { \
u8 attr = Attribute::Writable | Attribute::Configurable; \
error->define_property(vm.names.message, js_string(vm, message), attr); \
} \
return error; \
} \
\
ClassName::ClassName(Object& prototype) \
: Error(prototype) \
{ \
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \
ClassName* ClassName::create(GlobalObject& global_object) \
{ \
return global_object.heap().allocate<ClassName>(global_object, *global_object.snake_name##_prototype()); \
} \
\
ClassName* ClassName::create(GlobalObject& global_object, String const& message) \
{ \
auto& vm = global_object.vm(); \
auto* error = ClassName::create(global_object); \
u8 attr = Attribute::Writable | Attribute::Configurable; \
error->define_property(vm.names.message, js_string(vm, message), attr); \
return error; \
} \
\
ClassName::ClassName(Object& prototype) \
: Error(prototype) \
{ \
}
JS_ENUMERATE_NATIVE_ERRORS