88 lines
2.6 KiB
Python
Executable File
88 lines
2.6 KiB
Python
Executable File
#!/usr/bin/env python
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import sysconfig
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import subprocess
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import json
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import os
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import sys
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if os.path.dirname(__file__):
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os.chdir(os.path.dirname(__file__))
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so_files = [
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sysconfig.get_config_var("LIBDIR")+"/"+sysconfig.get_config_var("LDLIBRARY"),
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sysconfig.get_config_var("LIBPL")+"/"+sysconfig.get_config_var("LDLIBRARY")
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]
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so_file = None
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for name in so_files:
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if os.path.isfile(name):
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so_file = name
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if not so_file:
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print('Could not find %r' % so_files)
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sys.exit(1)
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so_symbols = set()
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for line in subprocess.check_output(['readelf', '-Ws', so_file]).splitlines():
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if line:
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so_symbols.add(line.decode('utf-8').split()[-1])
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assert 'PyList_Type' in so_symbols
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assert 'PyList_New' in so_symbols
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cfgs = []
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if sys.version_info.major == 3:
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sys_lib = 'python3-sys'
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for i in range(4, sys.version_info.minor+1):
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cfgs += ['--cfg', 'Py_3_{}'.format(i)]
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else:
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sys_lib = 'python27-sys'
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interesting_config_flags = [
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"Py_USING_UNICODE",
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"Py_UNICODE_WIDE",
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"WITH_THREAD",
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"Py_DEBUG",
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"Py_REF_DEBUG",
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"Py_TRACE_REFS",
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"COUNT_ALLOCS"
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]
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for name in interesting_config_flags:
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if sysconfig.get_config_var(name):
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cfgs += ['--cfg', 'py_sys_config="{}"'.format(name)]
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interesting_config_values = ['Py_UNICODE_SIZE']
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for name in interesting_config_values:
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cfgs += ['--cfg', 'py_sys_config="{}_{}"'.format(name, sysconfig.get_config_var(name))]
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json_output = subprocess.check_output(['rustc', '-Z', 'ast-json', '../{}/src/lib.rs'.format(sys_lib)] + cfgs)
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doc = json.loads(json_output.decode('utf-8'))
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foreign_symbols = set()
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def visit(node, foreign):
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if isinstance(node, dict):
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node_node = node.get('node', None)
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if isinstance(node_node, dict) and node_node.get('variant') in ('Static', 'Fn') and foreign:
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foreign_symbols.add(node['ident'])
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if isinstance(node_node, dict) and node_node.get('variant') == 'ForeignMod':
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foreign = True
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for v in node.values():
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visit(v, foreign)
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elif isinstance(node, list):
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for v in node:
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visit(v, foreign)
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elif isinstance(node, (int, type(u''), bool, type(None))):
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pass
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else:
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raise Exception('Unsupported node type {}'.format(type(node)))
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visit(doc, foreign=False)
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assert 'PyList_Type' in foreign_symbols, "Failed getting statics from rustc -Z ast-json"
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assert 'PyList_New' in foreign_symbols, "Failed getting functions from rustc -Z ast-json"
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names = sorted(foreign_symbols - so_symbols)
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if names:
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print('Symbols missing in {}:'.format(so_file))
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print('\n'.join(names))
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sys.exit(1)
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else:
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print('Symbols in {} OK.'.format(so_file))
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