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authorJack Moffitt <jack@metajack.im>2014-08-28 09:34:23 -0600
committerJack Moffitt <jack@metajack.im>2014-09-08 20:21:42 -0600
commitc6ab60dbfc6da7b4f800c9e40893c8b58413960c (patch)
treed1d74076cf7fa20e4f77ec7cb82cae98b67362cb /src/components/script/dom/bindings/codegen/Configuration.py
parentdb2f642c32fc5bed445bb6f2e45b0f6f0b4342cf (diff)
downloadservo-c6ab60dbfc6da7b4f800c9e40893c8b58413960c.tar.gz
servo-c6ab60dbfc6da7b4f800c9e40893c8b58413960c.zip
Cargoify servo
Diffstat (limited to 'src/components/script/dom/bindings/codegen/Configuration.py')
-rw-r--r--src/components/script/dom/bindings/codegen/Configuration.py341
1 files changed, 0 insertions, 341 deletions
diff --git a/src/components/script/dom/bindings/codegen/Configuration.py b/src/components/script/dom/bindings/codegen/Configuration.py
deleted file mode 100644
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--- a/src/components/script/dom/bindings/codegen/Configuration.py
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@@ -1,341 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this file,
-# You can obtain one at http://mozilla.org/MPL/2.0/.
-
-from WebIDL import IDLInterface
-
-autogenerated_comment = "/* THIS FILE IS AUTOGENERATED - DO NOT EDIT */\n"
-
-class Configuration:
- """
- Represents global configuration state based on IDL parse data and
- the configuration file.
- """
- def __init__(self, filename, parseData):
- # Read the configuration file.
- glbl = {}
- execfile(filename, glbl)
- config = glbl['DOMInterfaces']
-
- # Build descriptors for all the interfaces we have in the parse data.
- # This allows callers to specify a subset of interfaces by filtering
- # |parseData|.
- self.descriptors = []
- self.interfaces = {}
- self.maxProtoChainLength = 0;
- for thing in parseData:
- # Some toplevel things are sadly types, and those have an
- # isInterface that doesn't mean the same thing as IDLObject's
- # isInterface()...
- if not isinstance(thing, IDLInterface):
- continue
-
- iface = thing
- self.interfaces[iface.identifier.name] = iface
- if iface.identifier.name not in config:
- # Completely skip consequential interfaces with no descriptor
- # if they have no interface object because chances are we
- # don't need to do anything interesting with them.
- if iface.isConsequential() and not iface.hasInterfaceObject():
- continue
- entry = {}
- else:
- entry = config[iface.identifier.name]
- if not isinstance(entry, list):
- assert isinstance(entry, dict)
- entry = [entry]
- self.descriptors.extend([Descriptor(self, iface, x) for x in entry])
-
- # Mark the descriptors for which only a single nativeType implements
- # an interface.
- for descriptor in self.descriptors:
- intefaceName = descriptor.interface.identifier.name
- otherDescriptors = [d for d in self.descriptors
- if d.interface.identifier.name == intefaceName]
- descriptor.uniqueImplementation = len(otherDescriptors) == 1
-
- self.enums = [e for e in parseData if e.isEnum()]
- self.dictionaries = [d for d in parseData if d.isDictionary()]
- self.callbacks = [c for c in parseData if
- c.isCallback() and not c.isInterface()]
-
- # Keep the descriptor list sorted for determinism.
- self.descriptors.sort(lambda x,y: cmp(x.name, y.name))
-
- def getInterface(self, ifname):
- return self.interfaces[ifname]
- def getDescriptors(self, **filters):
- """Gets the descriptors that match the given filters."""
- curr = self.descriptors
- for key, val in filters.iteritems():
- if key == 'webIDLFile':
- getter = lambda x: x.interface.filename()
- elif key == 'hasInterfaceObject':
- getter = lambda x: x.interface.hasInterfaceObject()
- elif key == 'isCallback':
- getter = lambda x: x.interface.isCallback()
- elif key == 'isJSImplemented':
- getter = lambda x: x.interface.isJSImplemented()
- else:
- getter = lambda x: getattr(x, key)
- curr = filter(lambda x: getter(x) == val, curr)
- return curr
- def getEnums(self, webIDLFile):
- return filter(lambda e: e.filename() == webIDLFile, self.enums)
-
- @staticmethod
- def _filterForFile(items, webIDLFile=""):
- """Gets the items that match the given filters."""
- if not webIDLFile:
- return items
-
- return filter(lambda x: x.filename() == webIDLFile, items)
-
- def getDictionaries(self, webIDLFile=""):
- return self._filterForFile(self.dictionaries, webIDLFile=webIDLFile)
- def getCallbacks(self, webIDLFile=""):
- return self._filterForFile(self.callbacks, webIDLFile=webIDLFile)
-
- def getDescriptor(self, interfaceName):
- """
- Gets the appropriate descriptor for the given interface name.
- """
- iface = self.getInterface(interfaceName)
- descriptors = self.getDescriptors(interface=iface)
-
- # We should have exactly one result.
- if len(descriptors) is not 1:
- raise NoSuchDescriptorError("For " + interfaceName + " found " +
- str(len(matches)) + " matches");
- return descriptors[0]
- def getDescriptorProvider(self):
- """
- Gets a descriptor provider that can provide descriptors as needed.
- """
- return DescriptorProvider(self)
-
-class NoSuchDescriptorError(TypeError):
- def __init__(self, str):
- TypeError.__init__(self, str)
-
-class DescriptorProvider:
- """
- A way of getting descriptors for interface names
- """
- def __init__(self, config):
- self.config = config
-
- def getDescriptor(self, interfaceName):
- """
- Gets the appropriate descriptor for the given interface name given the
- context of the current descriptor.
- """
- return self.config.getDescriptor(interfaceName)
-
-class Descriptor(DescriptorProvider):
- """
- Represents a single descriptor for an interface. See Bindings.conf.
- """
- def __init__(self, config, interface, desc):
- DescriptorProvider.__init__(self, config)
- self.interface = interface
-
- # Read the desc, and fill in the relevant defaults.
- ifaceName = self.interface.identifier.name
-
- # Callback types do not use JS smart pointers, so we should not use the
- # built-in rooting mechanisms for them.
- if self.interface.isCallback():
- self.needsRooting = False
- else:
- self.needsRooting = True
-
- self.returnType = desc.get('returnType', "Temporary<%s>" % ifaceName)
- self.argumentType = "JSRef<%s>" % ifaceName
- self.memberType = "Root<'a, 'b, %s>" % ifaceName
- self.nativeType = desc.get('nativeType', 'JS<%s>' % ifaceName)
- self.concreteType = desc.get('concreteType', ifaceName)
- self.register = desc.get('register', True)
- self.outerObjectHook = desc.get('outerObjectHook', 'None')
-
- # If we're concrete, we need to crawl our ancestor interfaces and mark
- # them as having a concrete descendant.
- self.concrete = desc.get('concrete', True)
- if self.concrete:
- self.proxy = False
- operations = {
- 'IndexedGetter': None,
- 'IndexedSetter': None,
- 'IndexedCreator': None,
- 'IndexedDeleter': None,
- 'NamedGetter': None,
- 'NamedSetter': None,
- 'NamedCreator': None,
- 'NamedDeleter': None,
- 'Stringifier': None
- }
- iface = self.interface
- while iface:
- for m in iface.members:
- if not m.isMethod():
- continue
-
- def addOperation(operation, m):
- if not operations[operation]:
- operations[operation] = m
- def addIndexedOrNamedOperation(operation, m):
- self.proxy = True
- if m.isIndexed():
- operation = 'Indexed' + operation
- else:
- assert m.isNamed()
- operation = 'Named' + operation
- addOperation(operation, m)
-
- if m.isStringifier():
- addOperation('Stringifier', m)
- else:
- if m.isGetter():
- addIndexedOrNamedOperation('Getter', m)
- if m.isSetter():
- addIndexedOrNamedOperation('Setter', m)
- if m.isCreator():
- addIndexedOrNamedOperation('Creator', m)
- if m.isDeleter():
- addIndexedOrNamedOperation('Deleter', m)
- raise TypeError("deleter specified on %s but we "
- "don't support deleters yet" %
- self.interface.identifier.name)
-
- iface.setUserData('hasConcreteDescendant', True)
- iface = iface.parent
-
- if self.proxy:
- self.operations = operations
- iface = self.interface
- while iface:
- iface.setUserData('hasProxyDescendant', True)
- iface = iface.parent
-
- self.name = interface.identifier.name
-
- # self.extendedAttributes is a dict of dicts, keyed on
- # all/getterOnly/setterOnly and then on member name. Values are an
- # array of extended attributes.
- self.extendedAttributes = { 'all': {}, 'getterOnly': {}, 'setterOnly': {} }
-
- def addExtendedAttribute(attribute, config):
- def add(key, members, attribute):
- for member in members:
- self.extendedAttributes[key].setdefault(member, []).append(attribute)
-
- if isinstance(config, dict):
- for key in ['all', 'getterOnly', 'setterOnly']:
- add(key, config.get(key, []), attribute)
- elif isinstance(config, list):
- add('all', config, attribute)
- else:
- assert isinstance(config, str)
- if config == '*':
- iface = self.interface
- while iface:
- add('all', map(lambda m: m.name, iface.members), attribute)
- iface = iface.parent
- else:
- add('all', [config], attribute)
-
- # Build the prototype chain.
- self.prototypeChain = []
- parent = interface
- while parent:
- self.prototypeChain.insert(0, parent.identifier.name)
- parent = parent.parent
- config.maxProtoChainLength = max(config.maxProtoChainLength,
- len(self.prototypeChain))
-
- def getExtendedAttributes(self, member, getter=False, setter=False):
- def maybeAppendInfallibleToAttrs(attrs, throws):
- if throws is None:
- attrs.append("infallible")
- elif throws is True:
- pass
- else:
- raise TypeError("Unknown value for 'Throws'")
-
- name = member.identifier.name
- if member.isMethod():
- attrs = self.extendedAttributes['all'].get(name, [])
- throws = member.getExtendedAttribute("Throws")
- maybeAppendInfallibleToAttrs(attrs, throws)
- return attrs
-
- assert member.isAttr()
- assert bool(getter) != bool(setter)
- key = 'getterOnly' if getter else 'setterOnly'
- attrs = self.extendedAttributes['all'].get(name, []) + self.extendedAttributes[key].get(name, [])
- throws = member.getExtendedAttribute("Throws")
- if throws is None:
- throwsAttr = "GetterThrows" if getter else "SetterThrows"
- throws = member.getExtendedAttribute(throwsAttr)
- maybeAppendInfallibleToAttrs(attrs, throws)
- return attrs
-
- def isGlobal(self):
- """
- Returns true if this is the primary interface for a global object
- of some sort.
- """
- return (self.interface.getExtendedAttribute("Global") or
- self.interface.getExtendedAttribute("PrimaryGlobal"))
-
-
-# Some utility methods
-def getTypesFromDescriptor(descriptor):
- """
- Get all argument and return types for all members of the descriptor
- """
- members = [m for m in descriptor.interface.members]
- if descriptor.interface.ctor():
- members.append(descriptor.interface.ctor())
- members.extend(descriptor.interface.namedConstructors)
- signatures = [s for m in members if m.isMethod() for s in m.signatures()]
- types = []
- for s in signatures:
- assert len(s) == 2
- (returnType, arguments) = s
- types.append(returnType)
- types.extend(a.type for a in arguments)
-
- types.extend(a.type for a in members if a.isAttr())
- return types
-
-def getFlatTypes(types):
- retval = set()
- for type in types:
- type = type.unroll()
- if type.isUnion():
- retval |= set(type.flatMemberTypes)
- else:
- retval.add(type)
- return retval
-
-def getTypesFromDictionary(dictionary):
- """
- Get all member types for this dictionary
- """
- types = []
- curDict = dictionary
- while curDict:
- types.extend([m.type for m in curDict.members])
- curDict = curDict.parent
- return types
-
-def getTypesFromCallback(callback):
- """
- Get the types this callback depends on: its return type and the
- types of its arguments.
- """
- sig = callback.signatures()[0]
- types = [sig[0]] # Return type
- types.extend(arg.type for arg in sig[1]) # Arguments
- return types