private class NullableSends

nitc :: NullableSends

Introduced properties

Redefined properties

redef type SELF: NullableSends

nitc $ NullableSends :: SELF

Type of this instance, automatically specialized in every class
redef fun visit(n: ANode)

nitc $ NullableSends :: visit

What the visitor do when a node is visited

All properties

fun !=(other: nullable Object): Bool

core :: Object :: !=

Have self and other different values?
fun ==(other: nullable Object): Bool

core :: Object :: ==

Have self and other the same value?
type CLASS: Class[SELF]

core :: Object :: CLASS

The type of the class of self.
type SELF: Object

core :: Object :: SELF

Type of this instance, automatically specialized in every class
private var _current_node: nullable ANode

nitc :: Visitor :: _current_node

The current visited node
private fun buggy_sends=(buggy_sends: Int)

nitc :: NullableSends :: buggy_sends=

protected fun class_factory(name: String): CLASS

core :: Object :: class_factory

Implementation used by get_class to create the specific class.
fun class_name: String

core :: Object :: class_name

The class name of the object.
fun current_node: nullable ANode

nitc :: Visitor :: current_node

The current visited node
fun current_node=(current_node: nullable ANode)

nitc :: Visitor :: current_node=

The current visited node
fun enter_visit(e: nullable ANode)

nitc :: Visitor :: enter_visit

Ask the visitor to visit a given node.
fun get_class: CLASS

core :: Object :: get_class

The meta-object representing the dynamic type of self.
fun hash: Int

core :: Object :: hash

The hash code of the object.
init init

core :: Object :: init

fun inspect: String

core :: Object :: inspect

Developer readable representation of self.
protected fun inspect_head: String

core :: Object :: inspect_head

Return "CLASSNAME:#OBJECTID".
intern fun is_same_instance(other: nullable Object): Bool

core :: Object :: is_same_instance

Return true if self and other are the same instance (i.e. same identity).
fun is_same_serialized(other: nullable Object): Bool

core :: Object :: is_same_serialized

Is self the same as other in a serialization context?
intern fun is_same_type(other: Object): Bool

core :: Object :: is_same_type

Return true if self and other have the same dynamic type.
private intern fun native_class_name: CString

core :: Object :: native_class_name

The class name of the object in CString format.
private fun nclassdef=(nclassdef: AClassdef)

nitc :: NullableSends :: nclassdef=

private fun nullable_eq_sends=(nullable_eq_sends: Int)

nitc :: NullableSends :: nullable_eq_sends=

private fun nullable_sends=(nullable_sends: Int)

nitc :: NullableSends :: nullable_sends=

intern fun object_id: Int

core :: Object :: object_id

An internal hash code for the object based on its identity.
fun output

core :: Object :: output

Display self on stdout (debug only).
intern fun output_class_name

core :: Object :: output_class_name

Display class name on stdout (debug only).
fun serialization_hash: Int

core :: Object :: serialization_hash

Hash value use for serialization
intern fun sys: Sys

core :: Object :: sys

Return the global sys object, the only instance of the Sys class.
abstract fun to_jvalue(env: JniEnv): JValue

core :: Object :: to_jvalue

fun to_s: String

core :: Object :: to_s

User readable representation of self.
private fun total_sends=(total_sends: Int)

nitc :: NullableSends :: total_sends=

protected abstract fun visit(e: ANode)

nitc :: Visitor :: visit

What the visitor do when a node is visited
package_diagram nitc::nullables_metrics::NullableSends NullableSends nitc::Visitor Visitor nitc::nullables_metrics::NullableSends->nitc::Visitor core::Object Object nitc::Visitor->core::Object ...core::Object ... ...core::Object->core::Object

Ancestors

interface Object

core :: Object

The root of the class hierarchy.

Parents

abstract class Visitor

nitc :: Visitor

Abstract standard visitor on the AST

Class definitions

nitc $ NullableSends 
private class NullableSends
	super Visitor
	var nclassdef: AClassdef

	var total_sends: Int = 0
	var nullable_sends: Int = 0
	var nullable_eq_sends: Int = 0
	var buggy_sends: Int = 0

	redef fun visit(n)
	do
		n.visit_all(self)
		if n isa ASendExpr then
			self.total_sends += 1
			var t = n.n_expr.mtype
			if t == null then
				self.buggy_sends += 1
				return
			end
			t = t.anchor_to(self.nclassdef.mclassdef.mmodule, self.nclassdef.mclassdef.bound_mtype)
			if t isa MNullableType then
				var p = n.callsite.mproperty
				if p.is_null_safe then
					self.nullable_eq_sends += 1
				else
					self.nullable_sends += 1
				end
			else if t isa MClassType then
				# Nothing
			else
				n.debug("Problem: strange receiver type found: {t} ({t.class_name})")
			end
		end
	end
end
src/metrics/nullables_metrics.nit:109,1--143,3
Nit tools. Version .