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LibJS+LibWeb: Move the macro to convert ENOMEM to an exception to LibJS

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Move the macro to LibJS and change it to return a throw completion
instead of a WebIDL exception. This will let us use this macro within
LibJS to handle OOM conditions.
This commit is contained in:
Timothy Flynn 2023-01-07 12:14:54 -05:00 • committed by Linus Groh
parent ba97f6a0d3
commit d8044c5358
15 changed files with 118 additions and 93 deletions
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13
Userland/Libraries/LibJS/Runtime/Completion.h
View file

@ -11,10 +11,23 @@
#include <AK/Optional.h>
#include <AK/Try.h>
#include <AK/Variant.h>
#include <LibJS/Runtime/ErrorTypes.h>
#include <LibJS/Runtime/Value.h>
namespace JS {
#define TRY_OR_THROW_OOM(vm, expression) \
({ \
/* Ignore -Wshadow to allow nesting the macro. */ \
AK_IGNORE_DIAGNOSTIC("-Wshadow", \
auto _temporary_result = (expression)); \
if (_temporary_result.is_error()) { \
VERIFY(_temporary_result.error().code() == ENOMEM); \
return vm.throw_completion<JS::InternalError>(JS::ErrorType::OutOfMemory); \
} \
_temporary_result.release_value(); \
})
// 6.2.3 The Completion Record Specification Type, https://tc39.es/ecma262/#sec-completion-record-specification-type
class [[nodiscard]] Completion {
public:

1
Userland/Libraries/LibJS/Runtime/ErrorTypes.h
View file

@ -110,6 +110,7 @@
"Object prototype must not be {} on a super property access") \
M(ObjectPrototypeWrongType, "Prototype must be an object or null") \
M(OptionIsNotValidValue, "{} is not a valid value for option {}") \
M(OutOfMemory, "Out of memory") \
M(OverloadResolutionFailed, "Overload resolution failed") \
M(PrivateFieldAlreadyDeclared, "Private field '{}' has already been declared") \
M(PrivateFieldDoesNotExistOnObject, "Private field '{}' does not exist on object") \