50 строки
1.3 KiB
Python
50 строки
1.3 KiB
Python
#!/usr/bin/python2
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'''
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Simple tool to run the demangler.
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(C) 2010 Alon Zakai, MIT licensed
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Usage: demangler.py FILENAME SPLITTER
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Make sure you define ~/.emscripten, and fill it with something like
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JS_ENGINE=[os.path.expanduser('~/Dev/v8/d8')]
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JS_ENGINE_PARAMS=['--']
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or
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JS_ENGINE=[os.path.expanduser('~/Dev/tracemonkey/js/src/js')]
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JS_ENGINE_PARAMS=[]
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'''
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import os, sys, subprocess, re
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__rootpath__ = os.path.dirname(os.path.abspath(__file__))
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def path_from_root(*pathelems):
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return os.path.join(os.path.sep, *(__rootpath__.split(os.sep)[:-1] + list(pathelems)))
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sys.path += [path_from_root('')]
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from tools.shared import *
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data = open(sys.argv[1], 'r').readlines()
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SEEN = {}
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for line in data:
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if len(line) < 4: continue
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m = re.match('^ function (?P<func>[^(]+)\(.*', line) # generated code
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if not m:
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m = re.match('^ + _*\d+: (?P<func>[^ ]+) \(\d+.*', line) # profiling output
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if not m: continue
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func = m.groups('func')[0]
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if func in SEEN: continue
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SEEN[func] = True
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cleaned = run_js(JS_ENGINE, path_from_root('third_party', 'gcc_demangler.js'), [func[1:]])
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if cleaned is None: continue
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if 'Fatal exception' in cleaned: continue
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cleaned = cleaned[1:-2]
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if cleaned == '(null)': continue
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if ' throw ' in cleaned: continue
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print func, '=', cleaned
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