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50 lines
1.6 KiB
Python
Executable File
50 lines
1.6 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2016 The Fuchsia Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# A tool for autogenerating the mapping between Status and zx_status_t
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# Usage: python gen_status.py zircon/system/public/zircon/errors.h {sys,enum,match}
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import re
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import sys
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status_re = re.compile('#define\s+(ZX_\w+)\s+\((\-?\d+)\)$')
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def parse(in_filename):
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result = []
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for line in file(in_filename):
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m = status_re.match(line)
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if m:
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result.append((m.group(1), int(m.group(2))))
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return result
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def to_snake_case(name):
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result = []
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for element in name.split('_'):
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result.append(element[0] + element[1:].lower())
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return ''.join(result)
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def out(style, l):
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print('// Auto-generated using tools/gen_status.py')
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longest = max(len(name) for (name, num) in l)
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if style == 'sys':
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for (name, num) in l:
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print('pub const %s : zx_status_t = %d;' % (name.ljust(longest), num))
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if style == 'enum':
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print('pub enum Status {')
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for (name, num) in l:
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print(' %s = %d,' % (to_snake_case(name[3:]), num))
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print('');
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print(' /// Any zx_status_t not in the set above will map to the following:')
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print(' UnknownOther = -32768,')
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print('}')
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if style == 'match':
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for (name, num) in l:
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print(' sys::%s => Status::%s,' % (name, to_snake_case(name[3:])))
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print(' _ => Status::UnknownOther,')
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l = parse(sys.argv[1])
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out(sys.argv[2], l)
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