/usr/share/pyshared/ninja_ide/tools/completion/model.py is in ninja-ide 2.3-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# This file is part of NINJA-IDE (http://ninja-ide.org).
#
# NINJA-IDE is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# any later version.
#
# NINJA-IDE is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with NINJA-IDE; If not, see <http://www.gnu.org/licenses/>.
try:
unicode
except NameError:
# Python 3
basestring = unicode = str # lint:ok
MODULES = None
late_resolution = 0
def filter_data_type(data_types):
occurrences = {}
for type_ in data_types:
if isinstance(type_, basestring):
item = occurrences.get(type_, [0, type_])
item[0] += 1
occurrences[type_] = item
else:
item = occurrences.get(type_, [0, type_])
item[0] += 1
occurrences[type_.name] = item
values = [occurrences[key][0] for key in occurrences]
maximum = max(values)
data_type = [occurrences[key][1] for key in occurrences
if occurrences[key][0] == maximum]
return data_type[0]
def remove_function_arguments(line):
#TODO: improve line analysis using tokenizer to get the lines of the text
while line.find('(') != -1:
start = line.find('(')
end = line.find(')') + 1
if start == -1 or end == 0 or end <= start:
break
line = line[:start] + line[end:]
return line
class _TypeData(object):
def __init__(self, lineno, data_type, line_content, oper):
self.lineno = lineno
self.data_type = data_type
self.line_content = line_content
if data_type != late_resolution:
oper = None
self.operation = oper
self.from_import = False
if isinstance(data_type, str):
self.is_native = True
else:
self.is_native = False
self.can_resolve = True
def get_data_type(self):
return self.data_type
def __eq__(self, other):
return other.line_content == self.line_content
def __repr__(self):
return repr(self.data_type)
class Structure(object):
def __init__(self):
self.attributes = {}
self.functions = {}
self.parent = None
def add_function(self, function):
function.parent = self
self.functions[function.name] = function
def add_attributes(self, attributes):
#attributes = {name: [(lineno, type),...]}
for attribute in attributes:
if attribute[0] in self.attributes:
assign = self.attributes[attribute[0]]
else:
assign = Assign(attribute[0])
assign.add_data(*attribute[1:])
assign.parent = self
self.attributes[assign.name] = assign
def update_attributes(self, attributes):
for name in self.attributes:
if name in attributes:
assign = self.attributes[name]
old_assign = attributes[name]
for type_data in assign.data:
if type_data in old_assign.data:
old_type = old_assign.data[
old_assign.data.index(type_data)]
if old_type.data_type.__class__ is not Clazz:
type_data.data_type = old_type.data_type
def update_functions(self, functions):
for func_name in self.functions:
if func_name in functions:
old_func = functions[func_name]
if old_func.__class__ is Assign:
continue
function = self.functions[func_name]
function.update_functions(old_func.functions)
function.update_attributes(old_func.attributes)
# Function Arguments
for arg in function.args:
if arg in old_func.args:
argument_type = function.args[arg].data[0]
old_type = old_func.args[arg].data[0]
argument_type.data_type = old_type.data_type
# Function Returns
for type_data in function.return_type:
if type_data in old_func.return_type:
old_type = old_func.return_type[
old_func.return_type.index(type_data)]
type_data.data_type = old_type.data_type
def get_attribute_type(self, name):
"""Return a tuple with:(Found, Type)"""
result = {'found': False, 'type': None}
var_names = name.split('.')
attr = self.attributes.get(var_names[0], None)
if attr is not None:
result['found'], result['type'] = True, attr.get_data_type()
elif self.parent.__class__ is Function:
result = self.parent.get_attribute_type(name)
return result
def _get_scope_structure(self, structure, scope):
struct = structure
if len(scope) > 0:
scope_name = scope[0]
new_struct = structure.functions.get(scope_name, None)
struct = self._get_scope_structure(new_struct, scope[1:])
return struct
def _resolve_attribute(self, type_data, attrs):
object_type = type_data.get_data_type()
return (True, object_type)
def recursive_search_type(self, structure, attrs, scope):
result = {'found': False, 'type': None}
structure = self._get_scope_structure(structure, scope)
if structure and structure.__class__ is not Assign:
attr_name = attrs[0]
data_type = structure.get_attribute_type(attr_name)
result = data_type
return result
class Module(Structure):
def __init__(self):
super(Module, self).__init__()
self.imports = {}
self.classes = {}
def add_imports(self, imports):
for imp in imports:
line_content = "import %s" % imp[1]
info = _TypeData(None, imp[1], line_content, None)
self.imports[imp[0]] = info
def add_class(self, clazz):
clazz.parent = self
self.classes[clazz.name] = clazz
def update_classes(self, classes):
for clazz_name in self.classes:
if clazz_name in classes:
clazz = self.classes[clazz_name]
clazz.update_functions(classes[clazz_name].functions)
clazz.update_attributes(classes[clazz_name].attributes)
def get_type(self, main_attr, child_attrs='', scope=None):
result = {'found': False, 'type': None}
canonical_attrs = remove_function_arguments(child_attrs)
if not scope:
value = self.imports.get(main_attr,
self.attributes.get(main_attr,
self.functions.get(
main_attr,
self.classes.get(
main_attr,
None))))
if value is not None and value.__class__ is not Clazz:
data_type = value.get_data_type()
result['found'], result['type'] = True, data_type
if child_attrs or (isinstance(data_type, basestring) and
data_type.endswith(main_attr)):
result['main_attr_replace'] = True
elif value.__class__ is Clazz:
result['found'], result['type'] = False, value
elif main_attr == 'self':
clazz_name = scope[0]
clazz = self.classes.get(clazz_name, None)
if clazz is not None:
result = clazz.get_attribute_type(canonical_attrs)
if canonical_attrs == '' and clazz is not None:
items = clazz.get_completion_items()
result['found'], result['type'] = False, items
elif scope:
scope_name = scope[0]
structure = self.classes.get(scope_name,
self.functions.get(scope_name, None))
if structure is not None:
attrs = [main_attr] + canonical_attrs.split('.')
if len(attrs) > 1 and attrs[1] == '':
del attrs[1]
result = self.recursive_search_type(
structure, attrs, scope[1:])
if not result['found']:
value = self.imports.get(main_attr,
self.attributes.get(
main_attr,
self.functions.get(main_attr,
None)))
if value is not None:
data_type = value.get_data_type()
result['found'], result['type'] = True, data_type
if result['type'].__class__ is Clazz:
if canonical_attrs:
attrs = canonical_attrs.split('.')
if attrs[-1] == '':
attrs.pop(-1)
result = self._search_type(result['type'], attrs)
else:
result = {'found': False,
'type': result['type'].get_completion_items(),
'object': result['type']}
elif result['type'].__class__ is LinkedModule:
if main_attr == 'self':
attrs = canonical_attrs.split('.', 1)
canonical_attrs = ''
if len(attrs) > 1:
canonical_attrs = attrs[1]
result = result['type'].get_type(canonical_attrs)
return result
def _search_type(self, structure, attrs):
result = {'found': False, 'type': None}
if not attrs:
return result
attr = attrs[0]
value = structure.attributes.get(attr,
structure.functions.get(attr, None))
if value is None:
return result
data_type = value.get_data_type()
if data_type.__class__ is Clazz and len(attrs) > 1:
result = self._search_type(data_type, attrs[1:])
elif data_type.__class__ is Clazz:
items = data_type.get_completion_items()
result['found'], result['type'] = False, items
result['object'] = data_type
elif isinstance(data_type, basestring):
result['found'], result['type'] = True, data_type
result['object'] = data_type
return result
def get_imports(self):
module_imports = ['import __builtin__']
for name in self.imports:
module_imports.append(self.imports[name].line_content)
return module_imports
def need_resolution(self):
if self._check_attr_func_resolution(self):
return True
for cla in self.classes:
clazz = self.classes[cla]
for parent in clazz.bases:
if clazz.bases[parent] is None:
return True
if self._check_attr_func_resolution(clazz):
return True
return False
def _check_attr_func_resolution(self, structure):
for attr in structure.attributes:
attribute = structure.attributes[attr]
for d in attribute.data:
if d.data_type == late_resolution:
return True
for func in structure.functions:
function = structure.functions[func]
for attr in function.attributes:
attribute = function.attributes[attr]
for d in attribute.data:
if d.data_type == late_resolution:
return True
for ret in function.return_type:
if ret.data_type == late_resolution:
return True
return False
class Clazz(Structure):
def __init__(self, name):
super(Clazz, self).__init__()
self.name = name
self.bases = {}
self._update_bases = []
# self.decorators = []
def add_parent(self, parent):
self._update_bases.append(parent)
value = self.bases.get(parent, None)
if value is None:
self.bases[parent] = None
def update_bases(self):
to_remove = []
for parent in self.bases:
if parent not in self._update_bases:
to_remove.append(parent)
for remove in to_remove:
self.bases.pop(parent)
def get_completion_items(self):
attributes = [a for a in self.attributes]
functions = [f for f in self.functions]
if attributes or functions:
attributes.sort()
functions.sort()
return {'attributes': attributes, 'functions': functions}
return None
def update_with_parent_data(self):
for base in self.bases:
parent = self.bases[base]
if parent.__class__ is Clazz:
self.attributes.update(parent.attributes)
self.functions.update(parent.functions)
self.bases[base] = None
elif isinstance(parent, tuple):
parent_name = parent[0]
data = parent[1]
attributes = {}
functions = {}
for attr in data.get('attributes', []):
if attr[:2] == '__' and attr[-2:] == '__':
continue
assign = Assign(attr)
assign.add_data(0, parent_name + attr, '',
parent_name + attr)
attributes[attr] = assign
for func in data.get('functions', []):
if func[:2] == '__' and func[-2:] == '__':
continue
assign = Assign(func)
assign.add_data(0, parent_name + attr, '',
parent_name + attr)
functions[func] = assign
self.attributes.update(attributes)
self.functions.update(functions)
class Function(Structure):
def __init__(self, name):
super(Function, self).__init__()
self.name = name
self.args = {}
self.decorators = []
self.return_type = []
def add_return(self, lineno, data_type, line_content, oper):
info = _TypeData(lineno, data_type, line_content, oper)
if info not in self.return_type:
self.return_type.append(info)
def get_data_type(self):
possible = [d.data_type for d in self.return_type
if d.data_type is not late_resolution and
d.data_type is not None]
if possible:
return filter_data_type(possible)
else:
return None
class Assign(object):
def __init__(self, name):
self.name = name
self.data = []
self.parent = None
def add_data(self, lineno, data_type, line_content, oper):
info = _TypeData(lineno, data_type, line_content, oper)
if info not in self.data:
self.data.append(info)
def get_data_type(self):
possible = [d.data_type for d in self.data
if d.data_type is not late_resolution]
if possible:
return filter_data_type(possible)
else:
return None
class LinkedModule(object):
def __init__(self, path, attrs):
self.name = path
self.resolve_attrs = remove_function_arguments(attrs)
def get_type(self, resolve=''):
result = {'found': False, 'type': None}
global MODULES
module = MODULES.get(self.name, None)
if module:
if resolve:
to_resolve = "%s.%s" % (self.resolve_attrs, resolve)
else:
to_resolve = self.resolve_attrs
to_resolve = to_resolve.split('.', 1)
main_attr = to_resolve[0]
child_attr = ''
if len(to_resolve) == 2:
child_attr = to_resolve[1]
result = module.get_type(main_attr, child_attr)
return result
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