*args / **kwargs remodelled

_compatibility.py

@@ -3,5 +3,14 @@
 try:
     next = next
 except NameError:
-    def next(obj):
+    _raiseStopIteration = object()
-        return obj.next()
+    def next(iterator, default=_raiseStopIteration):
+        if not hasattr(iterator, 'next'):
+           raise TypeError("not an iterator")
+        try:
+           return iterator.next()
+        except StopIteration:
+            if default is _raiseStopIteration:
+                raise
+            else:
+                return default

evaluate.py

@@ -25,12 +25,16 @@ import builtin
 memoize_caches = []
 
 
+class MultiLevelStopIteration(Exception):
+    pass
+
+
 def clear_caches():
     for m in memoize_caches:
         m.clear()
 
 
-def memoize(default=None):
+def memoize_default(default=None):
     """
     This is a typical memoization decorator, BUT there is one difference:
     To prevent recursion it sets defaults.
@@ -78,7 +82,7 @@ class Executable(object):
                     pass
         raise IndexError('No params available')
 
-    @memoize(default=[])
+    @memoize_default(default=[])
     def get_params(self):
         """
         This returns the params for an Execution/Instance and is injected as a
@@ -86,6 +90,21 @@ class Executable(object):
         This needs to be here, because Instance can have __init__ functions,
         which act the same way as normal functions
         """
+        def gen_param_name_copy(param, keys=[], values=[], array_type=None):
+            calls = parsing.Array(parsing.Array.NOARRAY,
+                                    self.var_args.parent_stmt)
+            calls.values = values
+            calls.keys = keys
+            print 'arr_t', array_type
+            calls.type = array_type
+            new_param = copy.copy(param)
+            new_param._assignment_calls_calculated = True
+            new_param._assignment_calls = calls
+            name = copy.copy(param.get_name())
+            name.parent = new_param
+            #print 'insert', i, name, calls.values, value, self.func.params
+            return name
+
         result = []
         start_offset = 0
         #print '\n\nfunc_params', self.func, self.func.parent, self.func
@@ -104,54 +123,56 @@ class Executable(object):
         # There may be calls, which don't fit all the params, this just ignores
         # it.
         var_arg_iterator = self.get_var_args_iterator()
-        for i, (key, value) in enumerate(var_arg_iterator, start_offset):
-            param = None
-            try:
-                param = param_dict[key]
-            except:
-                try:
-                    param = self.func.params[i]
-                except IndexError:
-                    debug.warning('Too many arguments given.', value)
 
-            if param:
+        non_matching_keys = []
-                calls = parsing.Array(parsing.Array.NOARRAY,
+        for param in self.func.params[start_offset:]:
-                                        self.var_args.parent_stmt)
+            # The value and key can both be null. There, the defaults apply.
+            # args / kwargs will just be empty arrays / dicts, respectively.
+            key, value = next(var_arg_iterator, (None, None))
+            print '\n\nlala', key, value
+            while key:
+                try:
+                    key_param = param_dict[key]
+                except IndexError:
+                    non_matching_keys.append((key, value))
+                else:
+                    result.append(gen_param_name_copy(key_param,
+                                                        values=[value]))
+                key, value = next(var_arg_iterator, (None, None))
+
+            #debug.warning('Too many arguments given.', value)
 
             assignment = param.get_assignment_calls().values[0]
+            keys = []
+            values = []
+            array_type = None
             if assignment[0] == '*':
                 # *args param
                 print '\n\n3*', value, assignment
-                    calls.type = parsing.Array.TUPLE
+
-                    if key:
+                array_type = parsing.Array.TUPLE
-                        var_arg_iterator.push_back(key, value)
+                if value:
-                    else:
+                    values.append(value)
-                        calls.values = [value]
                 for key, value in var_arg_iterator:
+                    # iterate until a key argument is found
                     if key:
                         var_arg_iterator.push_back(key, value)
                         break
-                            calls.values.append(value)
+                    values.append(value)
             elif assignment[0] == '**':
                 # **kwargs param
-                    calls.type = parsing.Array.DICT
+                array_type = parsing.Array.DICT
-                    calls.values = [value]
+                if non_matching_keys:
-                    calls.keys = [key]
+                    keys, values = zip(*non_matching_keys)
-                    for value in var_arg_iterator:
+                print '\n\n**', keys, values, assignment
-                        calls.values.append(value)
-                        calls.keys.append(key)
-                    # it is a **args param
-                    print '\n\n**', key, value, assignment
             else:
                 # normal param
-                    calls.values = [value]
+                print 'normal', value
+                if value:
+                    values = [value]
 
-                new_param = copy.copy(param)
+            result.append(gen_param_name_copy(param, keys=keys, values=values,
-                new_param._assignment_calls = calls
+                                                array_type=array_type))
-                name = copy.copy(param.get_name())
-                name.parent = new_param
-                #print 'insert', i, name, calls.values, value, self.func.params
-                result.append(name)
         return result
 
     def get_var_args_iterator(self):
@@ -345,7 +366,7 @@ class Execution(Executable):
     """
     cache = {}
 
-    @memoize(default=[])
+    @memoize_default(default=[])
     def get_return_types(self):
         """
         Get the return vars of a function.
@@ -465,7 +486,10 @@ def get_names_for_scope(scope, position=None, star_search=True):
         # class variables/functions are only available
         if (not isinstance(scope, Class) or scope == start_scope) \
                 and not isinstance(scope, parsing.Flow):
+            try:
                 yield scope, get_defined_names_for_position(scope, position)
+            except StopIteration:
+                raise MultiLevelStopIteration('StopIteration raised somewhere')
         scope = scope.parent
 
     # add star imports
@@ -638,7 +662,7 @@ def assign_tuples(tup, results, seek_name):
     return result
 
 
-@memoize(default=[])
+@memoize_default(default=[])
 def follow_statement(stmt, scope=None, seek_name=None):
     """
     :param stmt: contains a statement
@@ -673,9 +697,12 @@ def follow_call_list(scope, call_list):
     It is used to evaluate a two dimensional object, that has calls, arrays and
     operators in it.
     """
-    if parsing.Array.is_type(call_list, parsing.Array.TUPLE):
+    print 'inpu', scope, call_list
+    if parsing.Array.is_type(call_list, parsing.Array.TUPLE,
+                                        parsing.Array.DICT):
         # Tuples can stand just alone without any braces. These would be
         # recognized as separate calls, but actually are a tuple.
+        print 'inpu', scope, call_list
         result = follow_call(scope, call_list)
     else:
         result = []
@@ -729,15 +756,18 @@ def follow_call(scope, call):
 
 def follow_paths(path, results, position=None):
     results_new = []
-    try:
     if results:
         if len(results) > 1:
             iter_paths = itertools.tee(path, len(results))
         else:
             iter_paths = [path]
+
         for i, r in enumerate(results):
-                results_new += follow_path(iter_paths[i], r, position=position)
+            fp = follow_path(iter_paths[i], r, position=position)
-    except StopIteration:
+            if fp is not None:
+                results_new += fp
+            else:
+                # this means stop iteration 
                 return results
     return results_new
 
@@ -747,7 +777,10 @@ def follow_path(path, scope, position=None):
     Takes a generator and tries to complete the path.
     """
     # current is either an Array or a Scope
+    try:
         current = next(path)
+    except StopIteration:
+        return None
     debug.dbg('follow', current, scope)
 
     result = []

functions.py

@@ -205,6 +205,7 @@ def complete(source, row, column, source_path):
         for s in scopes:
             # TODO is this reall the right way? just ignore the functions? \
             # do the magic functions first? and then recheck here?
+            print 'scope, '
             if not isinstance(s, parsing.Function):
                 completions += s.get_defined_names()
 

parsetest.py

@@ -160,10 +160,6 @@ a.
 
 
 
-
-
-
-
 class C(object):
     def c_a(self):
         self.c_b = 1
@@ -171,10 +167,14 @@ class C(object):
 test = [1,2]
 
 
-def args_func(arg1, *args, **kwargs):
+def args_func(arg1, arg2=1, *args, **kwargs):
-    return (arg1, args)
+    return arg1, arg2, args, kwargs
 
-exe = args_func(list,"", 3)
+exe = args_func(1,"")
-args_func(1,"", a=list)[0].
+args_func() #1,"", a=list)[0].
 args_func(arg1=0, *test + [3], *[4,5], **{'a': 'b'}).
-exe[1].
+
+
+
+
+exe[3].

parsing.py

@@ -325,7 +325,7 @@ class Function(Scope):
 
     def get_set_vars(self):
         n = super(Function, self).get_set_vars()
-        if self.param_cb or False:
+        if self.param_cb:
             # this is the really ugly part, where the functional style of this
             # get methods is broken, it executes a callback.
             # This is important, because something has to inject the params
@@ -533,6 +533,8 @@ class Statement(Simple):
         # cache
         self._assignment_calls = None
         self._assignment_details = None
+        # this is important for other scripts
+        self._assignment_calls_calculated = False
 
     def get_code(self, new_line=True):
         if new_line:
@@ -566,7 +568,7 @@ class Statement(Simple):
         This is not really nice written, sorry for that. If you plan to replace
         it and make it nicer, that would be cool :-)
         """
-        if self._assignment_calls:
+        if self._assignment_calls_calculated:
             return self._assignment_calls
         self._assignment_details = []
         result = Array(Array.NOARRAY, self)
@@ -827,13 +829,13 @@ class Array(Call):
         return self.values[0][0]
 
     @staticmethod
-    def is_type(instance, typ):
+    def is_type(instance, *types):
         """
         This is not only used for calls on the actual object, but for
         ducktyping, to invoke this function with anything as `self`.
         """
         if isinstance(instance, Array):
-            if instance.type == typ:
+            if instance.type in types:
                 return True
         return False
 

test/completion/functions.py

@@ -109,7 +109,21 @@ exe[1][1].append
 # -----------------
 # ** kwargs
 # -----------------
+def kwargs_func(**kwargs):
+    return kwargs
+
+exe = kwargs_func(a=3,b=4)
+#? []
+exe.
 
 # -----------------
 # *args / ** kwargs
 # -----------------
+
+def fu(a=1, b="", *args, **kwargs):
+    return a,b,args,kwargs
+
+exe = fu(list, 1, "", c=set)
+
+##? ['append']
+exe[0].