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AK+LibJS: Allow {TRY,MUST}{,_OR_THROW_OOM} on list-initializers

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List initializers may contain commas without surrounding parenthesis,
causing them to be passed as multiple macro arguments.
This commit is contained in:
Jonne Ransijn 2024-11-17 11:21:20 +01:00 committed by Sam Atkins
parent f617127772
commit d5fbf7323a
Notes: github-actions[bot] 2024-12-04 16:47:55 +00:00 
Author: https://github.com/yyny
Commit: https://github.com/LadybirdBrowser/ladybird/commit/d5fbf7323a6
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2454
Reviewed-by: https://github.com/AtkinsSJ ✅
2 changed files with 8 additions and 8 deletions
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8
AK/Try.h
View file

@ -24,11 +24,11 @@
// from a fallible expression. This will not do what you want; the statement expression
// will create a copy regardless, so it is explicitly disallowed.
#define TRY(expression) \
#define TRY(...) \
({ \
/* Ignore -Wshadow to allow nesting the macro. */ \
AK_IGNORE_DIAGNOSTIC("-Wshadow", \
auto&& _temporary_result = (expression)); \
auto&& _temporary_result = (__VA_ARGS__)); \
static_assert(!::AK::Detail::IsLvalueReference<decltype(_temporary_result.release_value())>, \
"Do not return a reference from a fallible expression"); \
if (_temporary_result.is_error()) [[unlikely]] \
@ -36,11 +36,11 @@
_temporary_result.release_value(); \
})
#define MUST(expression) \
#define MUST(...) \
({ \
/* Ignore -Wshadow to allow nesting the macro. */ \
AK_IGNORE_DIAGNOSTIC("-Wshadow", \
auto&& _temporary_result = (expression)); \
auto&& _temporary_result = (__VA_ARGS__)); \
static_assert(!::AK::Detail::IsLvalueReference<decltype(_temporary_result.release_value())>, \
"Do not return a reference from a fallible expression"); \
AK_HANDLE_UNEXPECTED_ERROR(_temporary_result) \

8
Libraries/LibJS/Runtime/Completion.h
View file

@ -17,11 +17,11 @@
namespace JS {
#define TRY_OR_THROW_OOM(vm, expression) \
#define TRY_OR_THROW_OOM(vm, ...) \
({ \
/* Ignore -Wshadow to allow nesting the macro. */ \
AK_IGNORE_DIAGNOSTIC("-Wshadow", \
auto&& _temporary_result = (expression)); \
auto&& _temporary_result = (__VA_ARGS__)); \
if (_temporary_result.is_error()) { \
VERIFY(_temporary_result.error().code() == ENOMEM); \
return (vm).throw_completion<JS::InternalError>((vm).error_message(::JS::VM::ErrorMessage::OutOfMemory)); \
@ -31,11 +31,11 @@ namespace JS {
_temporary_result.release_value(); \
})
#define MUST_OR_THROW_OOM(expression) \
#define MUST_OR_THROW_OOM(...) \
({ \
/* Ignore -Wshadow to allow nesting the macro. */ \
AK_IGNORE_DIAGNOSTIC("-Wshadow", \
auto&& _temporary_result = (expression)); \
auto&& _temporary_result = (__VA_ARGS__)); \
if (_temporary_result.is_error()) { \
auto _completion = _temporary_result.release_error(); \
\