diff options
Diffstat (limited to 'third_party/rust/fuchsia-zircon/tools/gen_status.py')
-rwxr-xr-x | third_party/rust/fuchsia-zircon/tools/gen_status.py | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/third_party/rust/fuchsia-zircon/tools/gen_status.py b/third_party/rust/fuchsia-zircon/tools/gen_status.py new file mode 100755 index 0000000000..c2a954bdb1 --- /dev/null +++ b/third_party/rust/fuchsia-zircon/tools/gen_status.py @@ -0,0 +1,49 @@ +#!/usr/bin/env python + +# Copyright 2016 The Fuchsia Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +# A tool for autogenerating the mapping between Status and zx_status_t +# Usage: python gen_status.py zircon/system/public/zircon/errors.h {sys,enum,match} +import re +import sys + +status_re = re.compile('#define\s+(ZX_\w+)\s+\((\-?\d+)\)$') + +def parse(in_filename): + result = [] + for line in file(in_filename): + m = status_re.match(line) + if m: + result.append((m.group(1), int(m.group(2)))) + return result + +def to_snake_case(name): + result = [] + for element in name.split('_'): + result.append(element[0] + element[1:].lower()) + return ''.join(result) + +def out(style, l): + print('// Auto-generated using tools/gen_status.py') + longest = max(len(name) for (name, num) in l) + if style == 'sys': + for (name, num) in l: + print('pub const %s : zx_status_t = %d;' % (name.ljust(longest), num)) + if style == 'enum': + print('pub enum Status {') + for (name, num) in l: + print(' %s = %d,' % (to_snake_case(name[3:]), num)) + print(''); + print(' /// Any zx_status_t not in the set above will map to the following:') + print(' UnknownOther = -32768,') + print('}') + if style == 'match': + for (name, num) in l: + print(' sys::%s => Status::%s,' % (name, to_snake_case(name[3:]))) + print(' _ => Status::UnknownOther,') + + +l = parse(sys.argv[1]) +out(sys.argv[2], l) |