# The primitive type `Int`
var int_type: MClassType = self.get_primitive_class("Int").mclass_type is lazy
+ # The primitive type `Byte`
+ var byte_type: MClassType = self.get_primitive_class("Byte").mclass_type is lazy
+
+ # The primitive type `Int8`
+ var int8_type: MClassType = self.get_primitive_class("Int8").mclass_type is lazy
+
+ # The primitive type `Int16`
+ var int16_type: MClassType = self.get_primitive_class("Int16").mclass_type is lazy
+
+ # The primitive type `UInt16`
+ var uint16_type: MClassType = self.get_primitive_class("UInt16").mclass_type is lazy
+
+ # The primitive type `Int32`
+ var int32_type: MClassType = self.get_primitive_class("Int32").mclass_type is lazy
+
+ # The primitive type `UInt32`
+ var uint32_type: MClassType = self.get_primitive_class("UInt32").mclass_type is lazy
+
# The primitive type `Char`
var char_type: MClassType = self.get_primitive_class("Char").mclass_type is lazy
end
print("Fatal Error: no primitive class {name} in {self}")
exit(1)
+ abort
end
if cla.length != 1 then
var msg = "Fatal Error: more than one primitive class {name} in {self}:"
# Is there a `new` factory to allow the pseudo instantiation?
var has_new_factory = false is writable
+
+ # Is `self` a standard or abstract class kind?
+ var is_class: Bool is lazy do return kind == concrete_kind or kind == abstract_kind
+
+ # Is `self` an interface kind?
+ var is_interface: Bool is lazy do return kind == interface_kind
+
+ # Is `self` an enum kind?
+ var is_enum: Bool is lazy do return kind == enum_kind
+
+ # Is `self` and abstract class?
+ var is_abstract: Bool is lazy do return kind == abstract_kind
end
# public gives 'p#A'
# private gives 'p::m#A'
return "{mmodule.namespace_for(mclass.visibility)}#{mclass.name}"
- else if mclass.intro_mmodule.mproject != mmodule.mproject then
+ else if mclass.intro_mmodule.mpackage != mmodule.mpackage then
# public gives 'q::n#p::A'
# private gives 'q::n#p::m::A'
return "{mmodule.full_name}#{mclass.full_name}"
redef var c_name is lazy do
if is_intro then
return "{mmodule.c_namespace_for(mclass.visibility)}___{mclass.c_name}"
- else if mclass.intro_mmodule.mproject == mmodule.mproject and mclass.visibility > private_visibility then
+ else if mclass.intro_mmodule.mpackage == mmodule.mpackage and mclass.visibility > private_visibility then
return "{mmodule.c_name}___{mclass.name.to_cmangle}"
else
return "{mmodule.c_name}___{mclass.c_name}"
end
#print "4.is {sub} a {sup}? <- no more resolution"
- assert sub isa MClassType else print "{sub} <? {sub}" # It is the only remaining type
-
- # A unfixed formal type can only accept itself
- if sup isa MFormalType then
- return false
+ if sub isa MBottomType then
+ return true
end
- if sup isa MNullType then
- # `sup` accepts only null
+ assert sub isa MClassType else print "{sub} <? {sub}" # It is the only remaining type
+
+ # Handle sup-type when the sub-type is class-based (other cases must have be identified before).
+ if sup isa MFormalType or sup isa MNullType or sup isa MBottomType then
+ # These types are not super-types of Class-based types.
return false
end
- assert sup isa MClassType # It is the only remaining type
+ assert sup isa MClassType else print "got {sup} {sub.inspect}" # It is the only remaining type
# Now both are MClassType, we need to dig
# The result is returned exactly as declared in the "type" property (verbatim).
# So it could be another formal type.
#
- # In case of conflict, the method aborts.
+ # In case of conflicts or inconsistencies in the model, the method returns a `MBottomType`.
fun lookup_bound(mmodule: MModule, resolved_receiver: MType): MType do return self
# Resolve the formal type to its simplest equivalent form.
#
# By default, return self.
# See the redefinitions for specific behavior in each kind of type.
+ #
+ # In case of conflicts or inconsistencies in the model, the method returns a `MBottomType`.
fun lookup_fixed(mmodule: MModule, resolved_receiver: MType): MType do return self
# Can the type be resolved?
redef var to_s: String is noinit
# The full-name of the class, then the full-name of each type arguments within brackets.
- # Example: `"standard::Map[standard::String, standard::List[standard::Int]]"`
+ # Example: `"core::Map[core::String, core::List[core::Int]]"`
redef var full_name is lazy do
var args = new Array[String]
for t in arguments do
redef fun lookup_bound(mmodule: MModule, resolved_receiver: MType): MType
do
- return lookup_single_definition(mmodule, resolved_receiver).bound.as(not null)
+ return lookup_single_definition(mmodule, resolved_receiver).bound or else new MBottomType(model)
end
private fun lookup_single_definition(mmodule: MModule, resolved_receiver: MType): MVirtualTypeDef
assert resolved_receiver isa MClassType # It is the only remaining type
var prop = lookup_single_definition(mmodule, resolved_receiver)
- var res = prop.bound.as(not null)
+ var res = prop.bound
+ if res == null then return new MBottomType(model)
# Recursively lookup the fixed result
res = res.lookup_fixed(mmodule, resolved_receiver)
end
if resolved_receiver isa MNullableType then resolved_receiver = resolved_receiver.mtype
if resolved_receiver isa MParameterType then
+ assert anchor != null
assert resolved_receiver.mclass == anchor.mclass
resolved_receiver = anchor.arguments[resolved_receiver.rank]
if resolved_receiver isa MNullableType then resolved_receiver = resolved_receiver.mtype
# The number of parameters
fun arity: Int do return mparameters.length
- # The number of non-default parameters
- #
- # The number of default parameters is then `arity-min_arity`.
- #
- # Note that there cannot be both varargs and default prameters, thus
- # if `vararg_rank != -1` then `min_arity` == `arity`
- fun min_arity: Int
- do
- if vararg_rank != -1 then return arity
- var res = 0
- for p in mparameters do
- if not p.is_default then res += 1
- end
- return res
- end
-
redef fun to_s
do
var b = new FlatBuffer
# Is the parameter a vararg?
var is_vararg: Bool
- # Is the parameter a default one?
- var is_default: Bool
-
redef fun to_s
do
if is_vararg then
do
if not self.mtype.need_anchor then return self
var newtype = self.mtype.resolve_for(mtype, anchor, mmodule, cleanup_virtual)
- var res = new MParameter(self.name, newtype, self.is_vararg, self.is_default)
+ var res = new MParameter(self.name, newtype, self.is_vararg)
return res
end
# The canonical name of the property.
#
# It is the short-`name` prefixed by the short-name of the class and the full-name of the module.
- # Example: "my_project::my_module::MyClass::my_method"
+ # Example: "my_package::my_module::MyClass::my_method"
redef var full_name is lazy do
return "{intro_mclassdef.mmodule.namespace_for(visibility)}::{intro_mclassdef.mclass.name}::{name}"
end
do
return self.is_init
end
+
+ # A specific method that is safe to call on null.
+ # Currently, only `==`, `!=` and `is_same_instance` are safe
+ fun is_null_safe: Bool do return name == "==" or name == "!=" or name == "is_same_instance"
end
# A global attribute
res.append name
else
# Just try to simplify each part
- if mclassdef.mmodule.mproject != mproperty.intro_mclassdef.mmodule.mproject then
+ if mclassdef.mmodule.mpackage != mproperty.intro_mclassdef.mmodule.mpackage then
# precise "p::m" only if "p" != "r"
res.append mproperty.intro_mclassdef.mmodule.full_name
res.append "::"
else if mproperty.visibility <= private_visibility then
- # Same project ("p"=="q"), but private visibility,
+ # Same package ("p"=="q"), but private visibility,
# does the module part ("::m") need to be displayed
- if mclassdef.mmodule.namespace_for(mclassdef.mclass.visibility) != mproperty.intro_mclassdef.mmodule.mproject then
+ if mclassdef.mmodule.namespace_for(mclassdef.mclass.visibility) != mproperty.intro_mclassdef.mmodule.mpackage then
res.append "::"
res.append mproperty.intro_mclassdef.mmodule.name
res.append "::"
redef var to_s: String is noinit
# Is self the definition that introduce the property?
- fun is_intro: Bool do return mproperty.intro == self
+ fun is_intro: Bool do return isset mproperty._intro and mproperty.intro == self
# Return the next definition in linearization of `mtype`.
#
nitlanguage / nit.git / blobdiff