end
# Is the global class an interface?
- readable writable attr _is_interface: Bool
+ readable writable attr _is_interface: Bool = false
# Is the global class an abstract class?
- readable writable attr _is_abstract: Bool
+ readable writable attr _is_abstract: Bool = false
# Is the global class a universal class?
- readable writable attr _is_universal: Bool
+ readable writable attr _is_universal: Bool = false
# Visibility of the global class
# 1 -> public
# 3 -> private
- readable writable attr _visibility_level: Int
+ readable writable attr _visibility_level: Int = 1 # FIXME: why this should be defined ?
+
+ # Is the global class a mixin class?
+ # A mixin class inherits all constructors from a superclass
+ meth is_mixin: Bool
+ do
+ return _mixin_of != self
+ end
+
+ # Indicate the superclass the class is a mixin of.
+ # If mixin_of == self then the class is not a mixin
+ # Is two classes have the same mixin_of value, then they both belong to the same mixing group
+ readable writable attr _mixin_of: MMGlobalClass = self
+
end
# Local classes are classes defined, refined or imported in a module
# The module of the local class
readable attr _module: MMModule
- # Is the class abstract
- readable writable attr _abstract: Bool
-
# The global class of the local class
readable attr _global: MMGlobalClass
# TODO: Will disapear when qualified names will be available
meth has_global_property_by_name(n: Symbol): Bool
do
- var props = _properties_by_name[n]
- return props != null
+ return _properties_by_name.has_key(n)
end
# Get a global property by its name
# TODO: Will disapear when qualified names will be available
meth get_property_by_name(n: Symbol): MMGlobalProperty
do
+ if not has_global_property_by_name(n) then return null
var props = _properties_by_name[n]
- if props == null or props.length > 1 then
- return null
- end
+ if props.length > 1 then return null
return props.first
end
meth method(na: Symbol): MMGlobalProperty
do
assert _properties_by_name != null
- var props = _properties_by_name[na]
- if props != null then
- return props.first
+ if _properties_by_name.has_key(na) then
+ return _properties_by_name[na].first
end
return null
end
+
+ # Select a method from its name
+ # TODO: Will disapear when qualified names will be available
+ meth select_method(name: Symbol): MMMethod
+ do
+ assert name != null
+ var gp = method(name)
+ if gp == null then return null
+ var res = self[gp]
+ assert res isa MMMethod
+ return res
+ end
+
+ # Select an attribute from its name
+ # TODO: Will disapear when qualified names will be available
+ meth select_attribute(name: Symbol): MMAttribute
+ do
+ assert name != null
+ var gp = attribute(name)
+ if gp == null then return null
+ var res = self[gp]
+ assert res isa MMAttribute
+ return res
+ end
# Look in super-classes (by specialization) and return properties with name
# Beware, global property of results is not intended to be the same
do
var prop = glob.intro
var name = prop.name
- var props = _properties_by_name[name]
- if props == null then
- _properties_by_name[name] = [glob]
- else
+ if _properties_by_name.has_key(name) then
_properties_by_name[name].add(glob)
+ else
+ _properties_by_name[name] = [glob]
end
_global_properties.add(glob)
register_local_property(prop)
# The local property for each class that has the global property
# The introducing local property
- readable attr _intro: MMConcreteProperty
+ readable attr _intro: MMLocalProperty
# The local class that introduces the global property
meth local_class: MMLocalClass
return intro.local_class
end
- # The concrete property redefinition hierarchy
- readable attr _concrete_property_hierarchy: PartialOrder[MMConcreteProperty] = new PartialOrder[MMConcreteProperty]
+ # The property redefinition hierarchy
+ readable attr _property_hierarchy: PartialOrder[MMLocalProperty] = new PartialOrder[MMLocalProperty]
# Create a new global property introduced by a local one
- protected init(p: MMConcreteProperty)
+ protected init(p: MMLocalProperty)
do
assert p != null
- assert p.concrete_property != null
- _concrete_property_hierarchy = new PartialOrder[MMConcreteProperty]
+ _property_hierarchy = new PartialOrder[MMLocalProperty]
_intro = p
- add_concrete_property(p, new Array[MMConcreteProperty])
+ add_local_property(p, new Array[MMLocalProperty])
end
redef meth to_s do return intro.full_name
- # Register a new concrete property
- meth add_concrete_property(i: MMConcreteProperty, sup: Array[MMConcreteProperty])
+ # Register a new local property
+ meth add_local_property(i: MMLocalProperty, sup: Array[MMLocalProperty])
do
assert i != null
assert sup != null
- i._cprhe = _concrete_property_hierarchy.add(i,sup)
+ i._prhe = _property_hierarchy.add(i,sup)
end
# Is the global property an attribute ?
# Is the global property a constructor (thus also a method)?
readable writable attr _is_init: Bool
+ # Is the global property a constructor for a given class?
+ meth is_init_for(c: MMLocalClass): Bool
+ do
+ if not is_init then return false
+ var sc = intro.local_class
+ var res = c.che <= sc and c.global.mixin_of == sc.global.mixin_of
+ return res
+ end
+
# Visibility of the property
# 1 -> public
# 2 -> protected
# 3 -> private
- readable writable attr _visibility_level: Int
+ readable writable attr _visibility_level: Int = 1 # FIXME: why this should be defined ?
end
-# Local properties are adaptation of concrete local properties
-# They can be adapted for inheritance (or importation) or for type variarion (genericity, etc.)
+# Local properties are properties defined (explicitely or not) in a local class
class MMLocalProperty
# The name of the property
readable attr _name: Symbol
# The global property where belong the local property
readable attr _global: MMGlobalProperty
- # The concrete property
- # May be self if self is a concrete property
- readable attr _concrete_property: MMConcreteProperty
+ # Redefinition hierarchy of the local property
+ readable attr _prhe: PartialOrderElement[MMLocalProperty]
# The module of the local property
meth module: MMModule do return _local_class.module
_global = g
_local_class.register_local_property(self)
end
+
+ # Introduce a new global property for this local one
+ meth new_global
+ do
+ assert _global == null
+ _global = new MMGlobalProperty(self)
+ _local_class.register_global_property(_global)
+ end
redef meth to_s do return name.to_s
- protected init(n: Symbol, bc: MMLocalClass, i: MMConcreteProperty)
+ # Is the concrete property contain a `super' in the body?
+ readable writable attr _need_super: Bool = false
+
+ protected init(n: Symbol, bc: MMLocalClass)
do
_name = n
_local_class = bc
- _concrete_property = i
end
end
special MMLocalClass
end
-# Concrete local properties
-class MMConcreteProperty
-special MMLocalProperty
- # Redefinition hierarchy of the concrete property
- readable attr _cprhe: PartialOrderElement[MMConcreteProperty]
-
- # Is the concrete property contain a `super' in the body?
- readable writable attr _need_super: Bool
-
- # Introduce a new global property for this local one
- meth new_global
- do
- assert _global == null
- _global = new MMGlobalProperty(self)
- _local_class.register_global_property(_global)
- end
-end
-
nitlanguage / nit.git / blobdiff