evaluate.iterable also owns get_iterator_types now

This commit is contained in:
Dave Halter
2013-12-30 01:56:40 +01:00
parent 6ece1de22d
commit 0c62d7d0d9
2 changed files with 45 additions and 45 deletions

View File

@@ -73,7 +73,7 @@ from __future__ import with_statement
import sys
import itertools
from jedi._compatibility import next, hasattr, is_py3k, unicode, reraise, u
from jedi._compatibility import next, hasattr, unicode, reraise, u
from jedi import common
from jedi.parser import representation as pr
from jedi import debug
@@ -310,7 +310,7 @@ class Evaluator(object):
# one, remember `in`). And follow it.
if not loop.inputs:
return []
result = get_iterator_types(self.eval_statement(loop.inputs[0]))
result = iterable.get_iterator_types(self.eval_statement(loop.inputs[0]))
if len(loop.set_vars) > 1:
expression_list = loop.set_stmt.expression_list()
# loops with loop.set_vars > 0 only have one command
@@ -758,43 +758,6 @@ def check_getattr(inst, name_str):
return result
def get_iterator_types(inputs):
"""Returns the types of any iterator (arrays, yields, __iter__, etc)."""
iterators = []
# Take the first statement (for has always only
# one, remember `in`). And follow it.
for it in inputs:
if isinstance(it, (iterable.Generator, iterable.Array, iterable.ArrayInstance)):
iterators.append(it)
else:
if not hasattr(it, 'execute_subscope_by_name'):
debug.warning('iterator/for loop input wrong', it)
continue
try:
iterators += it.execute_subscope_by_name('__iter__')
except KeyError:
debug.warning('iterators: No __iter__ method found.')
result = []
for gen in iterators:
if isinstance(gen, iterable.Array):
# Array is a little bit special, since this is an internal
# array, but there's also the list builtin, which is
# another thing.
result += gen.get_index_types()
elif isinstance(gen, er.Instance):
# __iter__ returned an instance.
name = '__next__' if is_py3k else 'next'
try:
result += gen.execute_subscope_by_name(name)
except KeyError:
debug.warning('Instance has no __next__ function', gen)
else:
# is a generator
result += gen.iter_content()
return result
def assign_tuples(tup, results, seek_name):
"""
This is a normal assignment checker. In python functions and other things

View File

@@ -3,7 +3,7 @@ import itertools
from jedi import common
from jedi import debug
from jedi import settings
from jedi._compatibility import use_metaclass
from jedi._compatibility import use_metaclass, is_py3k
from jedi.parser import representation as pr
from jedi.evaluate import builtin
from jedi.evaluate.cache import CachedMetaClass, memoize_default
@@ -182,6 +182,44 @@ class ArrayMethod(object):
return "<%s of %s>" % (type(self).__name__, self.name)
def get_iterator_types(inputs):
"""Returns the types of any iterator (arrays, yields, __iter__, etc)."""
iterators = []
# Take the first statement (for has always only
# one, remember `in`). And follow it.
for it in inputs:
if isinstance(it, (Generator, Array, ArrayInstance)):
iterators.append(it)
else:
if not hasattr(it, 'execute_subscope_by_name'):
debug.warning('iterator/for loop input wrong', it)
continue
try:
iterators += it.execute_subscope_by_name('__iter__')
except KeyError:
debug.warning('iterators: No __iter__ method found.')
result = []
from jedi.evaluate.representation import Instance
for gen in iterators:
if isinstance(gen, Array):
# Array is a little bit special, since this is an internal
# array, but there's also the list builtin, which is
# another thing.
result += gen.get_index_types()
elif isinstance(gen, Instance):
# __iter__ returned an instance.
name = '__next__' if is_py3k else 'next'
try:
result += gen.execute_subscope_by_name(name)
except KeyError:
debug.warning('Instance has no __next__ function', gen)
else:
# is a generator
result += gen.iter_content()
return result
def check_array_additions(evaluator, array):
""" Just a mapper function for the internal _check_array_additions """
if not pr.Array.is_type(array._array, pr.Array.LIST, pr.Array.SET):
@@ -242,11 +280,10 @@ def _check_array_additions(evaluator, compare_array, module, is_list):
elif add_name in ['extend', 'update']:
for param in params:
iterators = evaluator.eval_statement(param)
result += evaluate.get_iterator_types(iterators)
result += get_iterator_types(iterators)
return result
from jedi.evaluate import representation as er
from jedi import evaluate
def get_execution_parent(element, *stop_classes):
""" Used to get an Instance/FunctionExecution parent """
@@ -326,10 +363,10 @@ class ArrayInstance(pr.Base):
lists/sets are too complicated too handle that.
"""
items = []
from jedi import evaluate
from jedi.evaluate.representation import Instance
for stmt in self.var_args:
for typ in self._evaluator.eval_statement(stmt):
if isinstance(typ, evaluate.er.Instance) and len(typ.var_args):
if isinstance(typ, Instance) and len(typ.var_args):
array = typ.var_args[0]
if isinstance(array, ArrayInstance):
# prevent recursions
@@ -341,7 +378,7 @@ class ArrayInstance(pr.Base):
'ArrayInstance recursion',
self.var_args)
continue
items += evaluate.get_iterator_types([typ])
items += get_iterator_types([typ])
# TODO check if exclusion of tuple is a problem here.
if isinstance(self.var_args, tuple) or self.var_args.parent is None: