def _make_symbol_table(self, symbols, root):
'''Make symbol table.'''
symbol_table = []
for spec, mangled_name in symbols:
if isinstance(spec, str):
symbol = spec
matcher = SyntaxTreeMatcher.make([{'name': '^%s$' % spec}])
else:
symbol = spec['name']
matcher = SyntaxTreeMatcher.make([spec])
symbol_table.append({
'symbol': symbol,
'matcher': matcher,
'mangled_name': mangled_name,
})
def search_node(tree):
'''Search matched node.'''
for blob in symbol_table:
if blob['matcher'].do_match(tree):
self.assertTrue('tree' not in blob) # Unique matching
blob['tree'] = tree
root.traverse(preorder=search_node)
for blob in symbol_table:
blob['output_name'] = mangle(blob['tree'])
return symbol_table
def _make_symbol_table(self, symbols, root):
'''Make symbol table.'''
symbol_table = []
for spec, mangled_name in symbols:
if isinstance(spec, str):
symbol = spec
matcher = SyntaxTreeMatcher.make([{'name': '^%s$' % spec}])
else:
symbol = spec['name']
matcher = SyntaxTreeMatcher.make([spec])
symbol_table.append({
'symbol': symbol,
'matcher': matcher,
'mangled_name': mangled_name,
})
def search_node(tree):
'''Search matched node.'''
for blob in symbol_table:
if blob['matcher'].do_match(tree):
self.assertTrue('tree' not in blob) # Unique matching
blob['tree'] = tree
root.traverse(preorder=search_node)
for blob in symbol_table:
blob['output_name'] = mangle(blob['tree'])
return symbol_table
def _make_function(tree, output, cls_name=None):
'''Generate ctypes binding of a function declaration.'''
if not tree.is_external_linkage():
return
cxx_method = tree.kind == CursorKind.CXX_METHOD
if cxx_method:
name = '%s.%s' % (cls_name, tree.name)
symbol_name = mangle(tree)
else:
name = tree.name
symbol_name = tree.spelling
output.write('{0} = {1}.{2}\n'.format(name, LIBNAME, symbol_name))
argtypes = ', '.join(make_function_argtypes(tree))
if argtypes:
output.write('%s.argtypes = [%s]\n' % (name, argtypes))
if tree.result_type.kind != TypeKind.VOID:
restype = make_function_restype(tree)
output.write('%s.restype = %s\n' % (name, restype))
errcheck = tree.get_annotation(annotations.ERRCHECK, False)
if errcheck:
output.write('%s.errcheck = %s\n' % (name, errcheck))
method = tree.get_annotation(annotations.METHOD, False)
if cxx_method:
if tree.is_static_method():
wrapper = 'staticmethod'
else:
wrapper = '_CtypesFunctor'
output.write('{name} = {wrapper}({name})\n'.format(
name=name, wrapper=wrapper))
elif method:
output.write('%s = _CtypesFunctor(%s)\n' % (method, name))
