Commit 628a7f85deb500624fb75f83014d3bc1a1c03cf4 | zig

Allows handling uefi function errors in a more zig-style way with try
and catch, using `try f().err()` when a `Status` is returned.

1 files changed, 69 insertions(+), 0 deletions(-)

lib/std/os/uefi/status.zig+69

...	...	@@ -1,3 +1,5 @@
	1	const testing = @import("std").testing;
	2
1	3	const high_bit = 1 << @typeInfo(usize).Int.bits - 1;
2	4
3	5	pub const Status = enum(usize) {
...	...	@@ -139,4 +141,71 @@ pub const Status = enum(usize) {
139	141	WarnResetRequired = 7,
140	142
141	143	_,
	144
	145	pub const EfiError = error{
	146	LoadError,
	147	InvalidParameter,
	148	Unsupported,
	149	BadBufferSize,
	150	BufferTooSmall,
	151	NotReady,
	152	DeviceError,
	153	WriteProtected,
	154	OutOfResources,
	155	VolumeCorrupted,
	156	VolumeFull,
	157	NoMedia,
	158	MediaChanged,
	159	NotFound,
	160	AccessDenied,
	161	NoResponse,
	162	NoMapping,
	163	Timeout,
	164	NotStarted,
	165	AlreadyStarted,
	166	Aborted,
	167	IcmpError,
	168	TftpError,
	169	ProtocolError,
	170	IncompatibleVersion,
	171	SecurityViolation,
	172	CrcError,
	173	EndOfMedia,
	174	EndOfFile,
	175	InvalidLanguage,
	176	CompromisedData,
	177	IpAddressConflict,
	178	HttpError,
	179	NetworkUnreachable,
	180	HostUnreachable,
	181	ProtocolUnreachable,
	182	PortUnreachable,
	183	ConnectionFin,
	184	ConnectionReset,
	185	ConnectionRefused,
	186	WarnUnknownGlyph,
	187	WarnDeleteFailure,
	188	WarnWriteFailure,
	189	WarnBufferTooSmall,
	190	WarnStaleData,
	191	WarnFileSystem,
	192	WarnResetRequired,
	193	};
	194
	195	pub fn err(self: Status) EfiError!void {
	196	inline for (@typeInfo(EfiError).ErrorSet.?) \|efi_err\| {
	197	if (self == @field(Status, efi_err.name)) {
	198	return @field(EfiError, efi_err.name);
	199	}
	200	}
	201	// self is .Success
	202	}
142	203	};
	204
	205	test "status" {
	206	var st: Status = .DeviceError;
	207	try testing.expectError(error.DeviceError, st.err());
	208
	209	st = .Success;
	210	try st.err();
	211	}