redef class MMModule
# The root of the class hierarchy
- meth type_any: MMType
+ fun type_any: MMType
do
var c_name = class_by_name(once ("Object".to_symbol))
return c_name.get_type
end
# Import global classes from supermodules
- meth import_global_classes
+ fun import_global_classes
do
var globals = new HashMap[MMGlobalClass,HashSet[MMLocalClass]]
assert mhe != null
end
# Create implicit local classes for global classes that are not refined
- meth import_local_classes
+ fun import_local_classes
do
for g in _global_classes do
- if self[g] != null then continue
+ if _local_class_by_global.has_key(g) then continue
var impl = new MMImplicitLocalClass(self, g)
end
end
redef class MMLocalClass
# List of all parents
- attr _direct_parents: Array[MMAncestor] = new Array[MMAncestor]
+ var _direct_parents: Array[MMAncestor] = new Array[MMAncestor]
# Is the class computing super.
# Used to detect specialization loops.
- attr _computing_super: Bool
+ var _computing_super: Bool = false
# Compute super classes of a class
- meth compute_super_classes
+ fun compute_super_classes
do
if computed_super_classes then
# do no recompute if allready done
end
# Compute ancestors for a class
- meth compute_ancestors
+ fun compute_ancestors
do
assert computed_super_classes
if computed_ancestors then return
end
end
+ var _are_global_properties_inherited: Bool = false
+
# Inherit global properties for a class
- meth inherit_global_properties
+ fun inherit_global_properties
do
- if _global_properties != null then return
-
- _global_properties = new HashSet[MMGlobalProperty]
- _properties_by_name = new HashMap[Symbol, Array[MMGlobalProperty]]
- _local_property_by_global = new HashMap[MMGlobalProperty, MMLocalProperty]
+ if _are_global_properties_inherited then return
+ _are_global_properties_inherited = true
var names = _properties_by_name
var set = _global_properties
continue
end
- var gname = glob.intro.name
- var conf_set: Array[MMGlobalProperty]
- if names.has_key(gname) then
- conf_set = names[gname]
- else
- conf_set = new Array[MMGlobalProperty]
- names[gname] = conf_set
- end
- conf_set.add(glob)
+ make_visible_an_inherited_global_property(glob)
end
end
end
+ # Make the name of a global property meaningful in the class
+ fun make_visible_an_inherited_global_property(glob: MMGlobalProperty)
+ do
+ var names = _properties_by_name
+ var gname = glob.intro.name
+ var conf_set: Array[MMGlobalProperty]
+ if names.has_key(gname) then
+ conf_set = names[gname]
+ else
+ conf_set = new Array[MMGlobalProperty]
+ names[gname] = conf_set
+ end
+ conf_set.add(glob)
+ end
+
# Add super stype of this current local class
- meth add_direct_parent(p: MMAncestor)
+ fun add_direct_parent(p: MMAncestor)
do
_direct_parents.add(p)
end
# Are super-class already computed?
- meth computed_super_classes: Bool
+ fun computed_super_classes: Bool
do
return _crhe != null and _cshe != null
end
# Are ancestors already computed
- meth computed_ancestors: Bool
+ fun computed_ancestors: Bool
do
return _ancestors != null
end
# Get the ancestor for a given class
# TODO: is this useful?
- private meth ancestor_for(c: MMLocalClass): MMAncestor
+ private fun ancestor_for(c: MMLocalClass): MMAncestor
do
assert ancestors != null
return ra
end
- redef meth [](glob)
+ redef fun [](glob)
do
- var prop = super(glob)
- if prop == null and _global_properties.has(glob) then
- prop = inherit_local_property(glob)
+ if _local_property_by_global.has_key(glob) then
+ return _local_property_by_global[glob]
+ else if has_global_property(glob) then
+ return inherit_local_property(glob)
+ else
+ abort
end
- return prop
end
# Add default super class in direct parent and in super classes if this is not the Object class
- private meth add_default_any_class(supers: Array[MMLocalClass])
+ private fun add_default_any_class(supers: Array[MMLocalClass])
do
if supers.is_empty and name != once ("Object".to_symbol) then
var t_any = module.type_any
end
# Adding inherited class from previous refinement of self
- private meth add_super_classes(supers: Array[MMLocalClass])
+ private fun add_super_classes(supers: Array[MMLocalClass])
do
assert _crhe != null
for ref in _crhe.direct_greaters do
- assert ref.cshe != null
for sup in ref.cshe.direct_greaters do
var cla = sup.for_module(_module)
- assert cla != null
supers.add(cla)
end
end
end
# Add self parents of this local class
- private meth add_explicit_classes(supers: Array[MMLocalClass])
+ private fun add_explicit_classes(supers: Array[MMLocalClass])
do
for p in _direct_parents do
supers.add(p.local_class)
end
# Ensure all super parents are computed
- private meth compute_super_parents(supers: Array[MMLocalClass])
+ private fun compute_super_parents(supers: Array[MMLocalClass])
do
for p in supers do
- assert p != null
p.compute_super_classes
end
end
# compute all ancestors for a class (multiple)
- private meth build_ancestors: Array[MMAncestor]
+ private fun build_ancestors: Array[MMAncestor]
do
var all_ancestors = new Array[MMAncestor]
# Refined classes are ancestors
end
# Build an ancestor map indexed by LocalClass
- private meth group_ancestors(all: Array[MMAncestor]): Map[MMLocalClass, Set[MMAncestor]]
+ private fun group_ancestors(all: Array[MMAncestor]): Map[MMLocalClass, Set[MMAncestor]]
do
#print "process {self}"
var map = new HashMap[MMLocalClass, Set[MMAncestor]]
end
# Remove duplicate ancestors and merge if compatible, in the other case do an error
- private meth merge_ancestors(set: Set[MMAncestor]): MMAncestor
+ private fun merge_ancestors(set: Set[MMAncestor]): MMAncestor
do
var marks = new HashSet[MMAncestor]
var res = new Array[MMAncestor]
# Inherit a local property
# Is lazily called
# FIXME: dont crash lazily
- private meth inherit_local_property(glob: MMGlobalProperty): MMLocalProperty
+ private fun inherit_local_property(glob: MMGlobalProperty): MMLocalProperty
do
assert not _local_property_by_global.has_key(glob)
- assert glob != null
var impl: MMLocalProperty
# First compute the set of bottom properties
var impls = new ArraySet[MMLocalProperty]
for sc in supers do
- var p = sc[glob]
- if p != null then impls.add(p)
+ if sc.has_global_property(glob) then impls.add(sc[glob])
end
# Second, extract most specific
var impls2 = ghier.select_smallests(impls)
redef class MMLocalProperty
# Attach self to a global property
- meth inherit_global(g: MMGlobalProperty)
+ fun inherit_global(g: MMGlobalProperty)
do
set_global(g)
var impls = new Array[MMLocalProperty]
for sc in local_class.che.direct_greaters do
- var p = sc[g]
- if p == null then continue
- impls.add(p)
+ if not sc.has_global_property(g) then continue
+ impls.add(sc[g])
end
g.add_local_property(self, impls)
end
redef class MMAncestor
# Add this ancestor and it's super one in tab
- private meth add_in(tab: Array[MMAncestor])
+ private fun add_in(tab: Array[MMAncestor])
do
- assert ancestor: stype != null
- assert local_class: stype.local_class != null
tab.add(self)
stype.local_class.compute_ancestors
- for anc in stype.local_class.ancestors do
+ for anc in stype.local_class.ancestors.as(not null) do
var aaa = anc.stype.for_module(stype.module)
var a = aaa.adapt_to(stype).for_module(inheriter.module)
if a.local_class != inheriter.local_class then
init(mod: MMModule, g: MMGlobalClass)
do
var cla = g.intro
- super(cla.name, cla.arity)
- mod.add_local_class(self)
+ super(mod, cla.name, cla.arity)
set_global(g)
end
end
class MMRefineAncestor
special MMAncestor
- redef readable attr _local_class: MMLocalClass
+ redef readable var _local_class: MMLocalClass
init(b: MMLocalClass, a: MMLocalClass)
do
class MMSpecAncestor
special MMAncestor
- redef meth local_class do return stype.local_class
+ redef fun local_class do return stype.local_class
init(inheriter: MMType, stype: MMType)
do
class MMDefaultAncestor
special MMAncestor
- redef meth local_class do return stype.local_class
+ redef fun local_class do return stype.local_class
init(b: MMLocalClass, anc: MMType)
do
- assert b != null
- assert b.module != null
- assert anc != null
inheriter = b.get_type
stype = anc
end
nitlanguage / nit.git / blobdiff