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fixup inline switch

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This commit is contained in:
kcbanner 2023-07-24 02:07:59 -04:00
parent 23a806102a
commit 20ce7455b9
1 changed files with 29 additions and 12 deletions
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41
lib/std/dwarf/call_frame.zig
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@ -203,23 +203,40 @@ pub const Instruction = union(Opcode) {
stream: *std.io.FixedBufferStream([]const u8),
addr_size_bytes: u8,
endian: std.builtin.Endian,
) !Instruction {
return switch (try stream.reader().readByte()) {
inline Opcode.lo_inline...Opcode.hi_inline => |opcode| blk: {
switch (try stream.reader().readByte()) {
Opcode.lo_inline...Opcode.hi_inline => |opcode| {
const e: Opcode = @enumFromInt(opcode & 0b11000000);
var result = @unionInit(Instruction, @tagName(e), undefined);
try result.readOperands(stream, @as(u6, @intCast(opcode & 0b111111)), addr_size_bytes, endian);
break :blk result;
switch (e) {
inline .advance_loc,
.offset,
.restore,
=> |tag| {
var result = @unionInit(Instruction, @tagName(tag), undefined);
try result.readOperands(stream, @as(u6, @intCast(opcode & 0b111111)), addr_size_bytes, endian);
return result;
},
else => unreachable,
}
},
inline Opcode.lo_reserved...Opcode.hi_reserved => |opcode| blk: {
Opcode.lo_reserved...Opcode.hi_reserved => |opcode| {
const e: Opcode = @enumFromInt(opcode);
var result = @unionInit(Instruction, @tagName(e), undefined);
try result.readOperands(stream, null, addr_size_bytes, endian);
break :blk result;
switch (e) {
.advance_loc,
.offset,
.restore,
=> unreachable,
inline else => |tag| {
var result = @unionInit(Instruction, @tagName(tag), undefined);
try result.readOperands(stream, null, addr_size_bytes, endian);
return result;
},
}
},
Opcode.lo_user...Opcode.hi_user => error.UnimplementedUserOpcode,
else => error.InvalidOpcode,
};
Opcode.lo_user...Opcode.hi_user => return error.UnimplementedUserOpcode,
else => return error.InvalidOpcode,
}
}
};