# Visibility or modules are not considered
fun get_mclasses_by_name(name: String): nullable Array[MClass]
do
- if mclasses_by_name.has_key(name) then
- return mclasses_by_name[name]
- else
- return null
- end
+ return mclasses_by_name.get_or_null(name)
end
# Collections of properties grouped by their short name
# Visibility or modules are not considered
fun get_mproperties_by_name(name: String): nullable Array[MProperty]
do
- if not mproperties_by_name.has_key(name) then
- return null
- else
- return mproperties_by_name[name]
- end
+ return mproperties_by_name.get_or_null(name)
end
# The only null type
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
- private var bool_type_cache: nullable MClassType
+ # A primitive type of `Array`
+ fun array_type(elt_type: MType): MClassType do return array_class.get_mtype([elt_type])
+
+ # 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
#
# Warning: such a definition may not exist in the early life of the object.
# In this case, the method will abort.
+ #
+ # Use `try_intro` instead
var intro: MClassDef is noinit
+ # The definition that introduces the class or null if not yet known.
+ #
+ # See `intro`
+ fun try_intro: nullable MClassDef do
+ if isset _intro then return _intro else return null
+ end
+
# Return the class `self` in the class hierarchy of the module `mmodule`.
#
# SEE: `MModule::flatten_mclass_hierarchy`
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
var in_hierarchy: nullable POSetElement[MClassDef] = null
# Is the definition the one that introduced `mclass`?
- fun is_intro: Bool do return mclass.intro == self
+ fun is_intro: Bool do return isset mclass._intro and mclass.intro == self
# All properties introduced by the classdef
var intro_mproperties = new Array[MProperty]
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
# 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
- assert mtype.has_mproperty(mmodule, self)
return lookup_all_definitions(mmodule, mtype).first
end
# 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
- assert not mtype.need_anchor
mtype = mtype.as_notnullable
var cache = self.lookup_all_definitions_cache[mmodule, mtype]
if cache != null then return cache
+ assert not mtype.need_anchor
+ assert mtype.has_mproperty(mmodule, self)
+
#print "select prop {mproperty} for {mtype} in {self}"
# First, select all candidates
var candidates = new Array[MPROPDEF]
nitlanguage / nit.git / blobdiff