private var flatten_mclass_hierarchy_cache: nullable POSet[MClass] = null
# The primitive type `Object`, the root of the class hierarchy
- fun object_type: MClassType
- do
- var res = self.object_type_cache
- if res != null then return res
- res = self.get_primitive_class("Object").mclass_type
- self.object_type_cache = res
- return res
- end
-
- private var object_type_cache: nullable MClassType
+ var object_type: MClassType = self.get_primitive_class("Object").mclass_type is lazy
# The type `Pointer`, super class to all extern classes
var pointer_type: MClassType = self.get_primitive_class("Pointer").mclass_type is lazy
# The primitive type `Bool`
- fun bool_type: MClassType
- do
- var res = self.bool_type_cache
- if res != null then return res
- res = self.get_primitive_class("Bool").mclass_type
- self.bool_type_cache = res
- return res
- end
+ var bool_type: MClassType = self.get_primitive_class("Bool").mclass_type is lazy
+
+ # The primitive type `Int`
+ var int_type: MClassType = self.get_primitive_class("Int").mclass_type is lazy
+
+ # The primitive type `Char`
+ var char_type: MClassType = self.get_primitive_class("Char").mclass_type is lazy
+
+ # The primitive type `Float`
+ var float_type: MClassType = self.get_primitive_class("Float").mclass_type is lazy
+
+ # The primitive type `String`
+ var string_type: MClassType = self.get_primitive_class("String").mclass_type is lazy
+
+ # The primitive type `NativeString`
+ var native_string_type: MClassType = self.get_primitive_class("NativeString").mclass_type is lazy
+
+ # A primitive type of `Array`
+ fun array_type(elt_type: MType): MClassType do return array_class.get_mtype([elt_type])
- private var bool_type_cache: nullable MClassType
+ # The primitive class `Array`
+ var array_class: MClass = self.get_primitive_class("Array") is lazy
+
+ # A primitive type of `NativeArray`
+ fun native_array_type(elt_type: MType): MClassType do return native_array_class.get_mtype([elt_type])
+
+ # The primitive class `NativeArray`
+ var native_array_class: MClass = self.get_primitive_class("NativeArray") is lazy
# The primitive type `Sys`, the main type of the program, if any
fun sys_type: nullable MClassType
end
private var get_mtype_cache = new HashMap[Array[MType], MGenericType]
+
+ # Is there a `new` factory to allow the pseudo instantiation?
+ var has_new_factory = false is writable
end
for t in arguments do
args.add t.full_name
end
- return "{mclass.full_name}[{args.join(", ")}]}"
+ return "{mclass.full_name}[{args.join(", ")}]"
end
redef var c_name is lazy do
end
end
+# A formal type (either virtual of parametric).
+#
+# The main issue with formal types is that they offer very little information on their own
+# and need a context (anchor and mmodule) to be useful.
+abstract class MFormalType
+ super MType
+end
+
# A virtual formal type.
class MVirtualType
- super MType
+ super MFormalType
# The property associated with the type.
# Its the definitions of this property that determine the bound or the virtual type.
# Note that parameter types are shared among class refinements.
# Therefore parameter only have an internal name (see `to_s` for details).
class MParameterType
- super MType
+ super MFormalType
# The generic class where the parameter belong
var mclass: MClass
# The visibility of the property
var visibility: MVisibility
+ # Is the property usable as an initializer?
+ var is_autoinit = false is writable
+
init
do
intro_mclassdef.intro_mproperties.add(self)
# If mtype does not know mproperty then an empty array is returned.
#
# If you want the really most specific property, then look at `lookup_first_definition`
+ #
+ # REQUIRE: `not mtype.need_anchor` to simplify the API (no `anchor` parameter)
+ # ENSURE: `not mtype.has_mproperty(mmodule, self) == result.is_empty`
fun lookup_definitions(mmodule: MModule, mtype: MType): Array[MPROPDEF]
do
assert not mtype.need_anchor
#
# If you want the really most specific property, then look at `lookup_next_definition`
#
- # FIXME: Move to `MPropDef`?
+ # REQUIRE: `not mtype.need_anchor` to simplify the API (no `anchor` parameter)
+ # ENSURE: `not mtype.has_mproperty(mmodule, self) implies result.is_empty`
fun lookup_super_definitions(mmodule: MModule, mtype: MType): Array[MPROPDEF]
do
assert not mtype.need_anchor
#
# FIXME: the linearization is still unspecified
#
- # REQUIRE: `not mtype.need_anchor`
+ # REQUIRE: `not mtype.need_anchor` to simplify the API (no `anchor` parameter)
# REQUIRE: `mtype.has_mproperty(mmodule, self)`
fun lookup_first_definition(mmodule: MModule, mtype: MType): MPROPDEF
do
# Return all definitions in a linearization order
# Most specific first, most general last
+ #
+ # REQUIRE: `not mtype.need_anchor` to simplify the API (no `anchor` parameter)
+ # REQUIRE: `mtype.has_mproperty(mmodule, self)`
fun lookup_all_definitions(mmodule: MModule, mtype: MType): Array[MPROPDEF]
do
mtype = mtype.as_notnullable
nitlanguage / nit.git / blobdiff