forked from VimPlug/jedi
114 lines
2.9 KiB
Python
114 lines
2.9 KiB
Python
from jedi.common import unite
|
|
|
|
|
|
class Context(object):
|
|
type = None # TODO remove
|
|
api_type = 'instance'
|
|
"""
|
|
Most contexts are just instances of something, therefore make this the
|
|
default to make subclassing a lot easier.
|
|
"""
|
|
predefined_names = {}
|
|
|
|
def __init__(self, evaluator, parent_context=None):
|
|
self.evaluator = evaluator
|
|
self.parent_context = parent_context
|
|
|
|
def get_node(self):
|
|
return None
|
|
|
|
def get_parent_flow_context(self):
|
|
return self.parent_context
|
|
|
|
def get_root_context(self):
|
|
context = self
|
|
while True:
|
|
if context.parent_context is None:
|
|
return context
|
|
context = context.parent_context
|
|
|
|
def execute(self, arguments):
|
|
return self.evaluator.execute(self, arguments)
|
|
|
|
def execute_evaluated(self, *value_list):
|
|
"""
|
|
Execute a function with already executed arguments.
|
|
"""
|
|
from jedi.evaluate.param import ValuesArguments
|
|
arguments = ValuesArguments([[value] for value in value_list])
|
|
return self.execute(arguments)
|
|
|
|
def eval_node(self, node):
|
|
return self.evaluator.eval_element(self, node)
|
|
|
|
def eval_stmt(self, stmt, seek_name=None):
|
|
return self.evaluator.eval_statement(self, stmt, seek_name)
|
|
|
|
def eval_trailer(self, types, trailer):
|
|
return self.evaluator.eval_trailer(self, types, trailer)
|
|
|
|
|
|
class TreeContext(Context):
|
|
def __init__(self, evaluator, parent_context=None):
|
|
super(TreeContext, self).__init__(evaluator, parent_context)
|
|
self.predefined_names = {}
|
|
|
|
|
|
class FlowContext(TreeContext):
|
|
def get_parent_flow_context(self):
|
|
if 1:
|
|
return self.parent_context
|
|
|
|
|
|
class AbstractLazyContext(object):
|
|
def __init__(self, data):
|
|
self._data = data
|
|
|
|
def __repr__(self):
|
|
return '<%s: %s>' % (self.__class__.__name__, self._data)
|
|
|
|
def infer(self):
|
|
raise NotImplementedError
|
|
|
|
|
|
class LazyKnownContext(AbstractLazyContext):
|
|
"""data is a context."""
|
|
def infer(self):
|
|
yield self._data
|
|
|
|
|
|
class LazyKnownContexts(AbstractLazyContext):
|
|
"""data is a set of contexts."""
|
|
def infer(self):
|
|
return self._data
|
|
|
|
|
|
class LazyUnknownContext(AbstractLazyContext):
|
|
def __init__(self):
|
|
super(LazyUnknownContext, self).__init__(None)
|
|
|
|
def infer(self):
|
|
return set()
|
|
|
|
|
|
class LazyTreeContext(AbstractLazyContext):
|
|
def __init__(self, context, node):
|
|
super(LazyTreeContext, self).__init__(node)
|
|
self._context = context
|
|
|
|
def infer(self):
|
|
return self._context.eval_node(self._data)
|
|
|
|
|
|
def get_merged_lazy_context(lazy_contexts):
|
|
if len(lazy_contexts) > 1:
|
|
return MergedLazyContexts(lazy_contexts)
|
|
else:
|
|
return lazy_contexts[0]
|
|
|
|
|
|
class MergedLazyContexts(AbstractLazyContext):
|
|
"""data is a list of lazy contexts."""
|
|
def infer(self):
|
|
return unite(l.infer() for l in self._data)
|