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#!/usr/bin/env python
# -*- coding: iso-8859-1 -*-
from idlclass import *
from idlmethod import *
from idltype import *
class IDL_AST(object):
def __init__(self, classes):
self.classes = []
self.namespaceincludes = []
self.extend (classes)
def resolve(self):
self.reset_lists ()
self.resolve_classes (self.classes)
self.resolve_copyability (self.classes)
new_classes = self.make_implicit_types ()
self.resolve_classes (new_classes)
self.resolve_copyability (new_classes)
self.classes.append (new_classes)
def resolve_classes (self, classes):
self.update_class_dict (classes)
classes.sort (lambda cla, clb: cla.inheritance_depth (self.classdict) < clb.inheritance_depth (self.classdict))
for cl in classes:
cl.resolve (self.classdict)
def resolve_copyability (self, classes):
for cl in classes:
cl.resolve_copyability (self.classdict)
def extend (self, classes):
self.classes.extend ([ cls for cls in classes if isinstance(cls, IDLClass) ])
self.namespaceincludes.extend ([ [cls.nsname, [cls.includes, cls.external]]
for cls in classes if not isinstance(cls, IDLClass) ])
def update_class_dict (self, classes):
for cl in classes:
self.update_new_class (cl)
def update_new_class (self, cl):
name = cl.name.nsname + "::" + cl.name.clsname
self.classdict[name] = cl
self.classnames.append(name)
self.add_new_namespaces (cl)
def add_new_namespaces (self, cl):
namespace = cl.name.nsname
if namespace not in self.namespaces:
self.namespaces.append(namespace)
if cl.is_external:
self.external_namespaces.append (namespace)
def make_implicit_types (self):
new_classes = []
for namespace in self.namespaces:
if self.has_any_event_class_in_namespace (namespace):
new_classes.append (self.define_dispatcher_class (namespace))
new_classes.extend (self.define_container_types ())
new_classes.extend (self.define_all_synchronizer_types ())
return new_classes
def define_container_types (self):
new_classes = []
for prop in self.get_property_list ():
if prop.type.contained_type:
new_classes.append (self.make_list_type (prop.type, prop.name))
return new_classes
def define_all_synchronizer_types (self):
result = []
for cl in self.get_synchronized_classes ():
result.extend (self.make_synchronizer_types_for_class (cl))
return result
def make_synchronizer_types_for_class (self, cl):
result = []
assert (cl.kind == 'synchronized')
namespace = cl.name.nsname
name = cl.name.clsname + 'Synchronizer'
typ = IDLtype (namespace, name)
base_refs = [cl.name]
constructor = Method (('new', None), '', None, [(cl.name, 'impl')], stat='static')
defs = [constructor]
#add the defined properties
synchronized_props = self.copy_props_mark_synchronized (cl.props)
defs.extend (synchronized_props)
synchronizer = IDLClass (typ, defs, base_refs=base_refs, safe='safe')
result.append (synchronizer)
result.extend (self.define_synchronizer_impl_classes (cl))
return result
def copy_props_mark_synchronized (self, props):
res = copy.deepcopy (props)
map (lambda prop: prop.modifiers.append ('synchronized'), res)
return res
def define_synchronizer_impl_classes (self, cl):
namespace = cl.name.nsname
impl_name = cl.name.clsname + 'Impl'
impl_type = IDLtype (namespace, impl_name)
impl_base_refs = [cl.name]
private_block = PrivateBlock ('', [namespace+cl.name.clsname+'Synchronizer * synchronizer;'], '')
impl_defs = [cl.synchronizer_constructors[0]] # TODO find impl constructor more generally
impl_defs.append (private_block)
#add the defined properties
impl_defs.extend (cl.props)
impl = IDLClass (impl_type, impl_defs, base_refs=impl_base_refs)
return [impl]
def has_any_event_class_in_namespace (self, namespace):
for classdetails in self.classdict.iteritems():
cl = classdetails[1]
if cl.kind == 'events' and cl.name.nsname == namespace: return True
return False
def get_property_list (self):
all_properties = []
for classdetails in self.classdict.iteritems():
props = classdetails[1].props
all_properties.extend (props)
return all_properties
def define_dispatcher_class (self, namespace):
constructor = Method (('new', None), '', None, [], stat='static')
destructor = Method (('del', None), '', None, [])
notify_pending_events_method = Method (('notify_pending_events', None), '', None, [], stat='', is_virtual=True)
dispatch_events_method = Method (('dispatch_events', None), '', None, [])
value_array_type = IDLtype ("G", "ValueArray")
add_event_method = Method (('add_event', None), '', None,
[(value_array_type, 'closure')], is_internal=True)
method_defs = [constructor, destructor, notify_pending_events_method, dispatch_events_method, add_event_method]
private_block = PrivateBlock ('', ['GAsyncQueue * queue;'], '')
defs = method_defs + [private_block]
dispatcher_type = IDLtype (namespace, "Dispatcher")
dispatcher_class = IDLClass (dispatcher_type, defs)
return dispatcher_class
def make_list_type (self, full_type, element_name):
element_type = full_type.contained_type
list_constructor = Method (('new', None), '', None, [], stat='static')
list_destructor = Method (('del', None), '', None, [])
prepend_method = Method (('prepend', None), '', None,
[(element_type, 'element')])
append_method = Method (('append', None), '', None,
[(element_type, 'element')])
has_item_method = Method (('has_item', None), '', IDLtype ('', 'boolean'),
[(element_type, 'element')])
remove_method = Method (('remove', None), '', None,
[(element_type, 'element')])
get_at_method = Method (('get_at', None), '', element_type,
[(IDLtype ('','uint'), 'index')])
size_method = Method (('size', ''), '', IDLtype ('','int'), [])
for_each_method = Method (('for_each', None), '', None,
[(IDLtype ('', element_type.fullname () +'Worker'), 'func'),
(IDLtype ('', 'gpointer'), 'data'),
],
is_internal=True)
method_defs = [list_constructor, list_destructor, prepend_method, append_method, has_item_method, remove_method, get_at_method,
size_method, for_each_method]
private_block = PrivateBlock ('', ['GArray * array;'], '')
defs = method_defs + [private_block]
list_class = IDLClass (full_type, defs)
return list_class
def reset_lists (self):
self.namespaces = []
self.external_namespaces = []
self.classdict = {}
self.classnames = []
self.enums = []
def get_interfaces (self):
return [cl for cl in self.classes if cl.is_interface ]
def get_synchronized_classes (self):
return [cl for cl in self.classes if cl.kind == 'synchronized' ]
def set_namespace (self, name):
for i in self.classes: i.name.nsname = name
for o in self.namespaceincludes: o[0] = name
def set_external (self, ext):
for i in self.classes: i.is_external = ext
for o in self.namespaceincludes: o[1][1] = ext
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