53 lines
1.3 KiB
Python
Executable file
53 lines
1.3 KiB
Python
Executable file
#!/usr/bin/env python
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#
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# Copyright (c) 2013 Microsoft Corporation. All rights reserved.
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# Released under Apache 2.0 license as described in the file LICENSE.
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#
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# Author: Soonho Kong
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#
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# What's this?
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# ============
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# It takes an input from stdin and demangle c++ type if the line
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# matches the following patten:
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#
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# .* : <C++_TYPE> := .*
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#
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# which, is the format that we are using in lean_assert.
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#
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# It calls "c++filt" to do the work.
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#
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# Python 2/3 compatibility
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from __future__ import print_function
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import re
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import sys
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import subprocess
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import fileinput
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pattern_str = "(.* : )([A-Za-z0-9]+)( := .*)"
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pattern = re.compile(pattern_str)
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cppfilt = "c++filt"
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cppfilt_option = "--types"
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def process_line(line):
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result = pattern.match(line);
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if result == None:
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print(line, end=' ')
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else:
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p = subprocess.Popen(cppfilt + " " + cppfilt_option + " " + result.group(2),
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shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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ty = p.stdout.readlines()[0].strip()
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retval= p.wait()
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new_str = re.sub(pattern_str, r"\1" + ty + r"\3", line);
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print(new_str, end=' ')
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if len(sys.argv) > 1:
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for line in fileinput.input():
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process_line(line)
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else:
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while True:
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line = sys.stdin.readline()
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if not line:
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break
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process_line(line)
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