Example visitor that just count kind of entities.

Introduced properties

private var _cpt: Counter[String]

nitc :: TestModelVisitor :: _cpt

Counter of visited entities (by classnames)

private var _names: Map[String, MEntity]

nitc :: TestModelVisitor :: _names

Dictionary of full_names

fun cpt: Counter[String]

nitc :: TestModelVisitor :: cpt

Counter of visited entities (by classnames)

protected fun cpt=(cpt: Counter[String])

nitc :: TestModelVisitor :: cpt=

Counter of visited entities (by classnames)

init defaultinit(filter: nullable ModelFilter)

nitc :: TestModelVisitor :: defaultinit

fun names: Map[String, MEntity]

nitc :: TestModelVisitor :: names

Dictionary of full_names

protected fun names=(names: Map[String, MEntity])

nitc :: TestModelVisitor :: names=

Dictionary of full_names

Redefined properties

redef type SELF: TestModelVisitor

nitc $ TestModelVisitor :: SELF

Type of this instance, automatically specialized in every class

redef fun visit(e: MEntity)

nitc $ TestModelVisitor :: visit

Method to define in specific visitor.

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 _cpt: Counter[String]

nitc :: TestModelVisitor :: _cpt

Counter of visited entities (by classnames)

private var _current_entity: nullable MEntity

nitc :: ModelVisitor :: _current_entity

The current visited entity

private var _filter: ModelFilter

nitc :: ModelVisitor :: _filter

Filters to apply when visiting the model.

private var _names: Map[String, MEntity]

nitc :: TestModelVisitor :: _names

Dictionary of full_names

fun accept_mentity(mentity: MEntity, override_filter: nullable ModelFilter): Bool

nitc :: ModelVisitor :: accept_mentity

Should we accept this mentity from the view?

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 cpt: Counter[String]

nitc :: TestModelVisitor :: cpt

Counter of visited entities (by classnames)

protected fun cpt=(cpt: Counter[String])

nitc :: TestModelVisitor :: cpt=

Counter of visited entities (by classnames)

fun current_entity: nullable MEntity

nitc :: ModelVisitor :: current_entity

The current visited entity

protected fun current_entity=(current_entity: nullable MEntity)

nitc :: ModelVisitor :: current_entity=

The current visited entity

init defaultinit

core :: Object :: defaultinit

init defaultinit(filter: nullable ModelFilter)

nitc :: TestModelVisitor :: defaultinit

init defaultinit(filter: nullable ModelFilter)

nitc :: ModelVisitor :: defaultinit

fun enter_visit(e: nullable MEntity)

nitc :: ModelVisitor :: enter_visit

Visit the entity e.

fun filter: ModelFilter

nitc :: ModelVisitor :: filter

Filters to apply when visiting the model.

fun filter=(filter: nullable ModelFilter)

nitc :: ModelVisitor :: filter=

Filters to apply when visiting the model.

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.

fun names: Map[String, MEntity]

nitc :: TestModelVisitor :: names

Dictionary of full_names

protected fun names=(names: Map[String, MEntity])

nitc :: TestModelVisitor :: names=

Dictionary of full_names

private intern fun native_class_name: CString

core :: Object :: native_class_name

The class name of the object in CString format.

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.

protected abstract fun visit(e: MEntity)

nitc :: ModelVisitor :: visit

Method to define in specific visitor.

Ancestors

interface Object

The root of the class hierarchy.

Parents

abstract class ModelVisitor

nitc :: ModelVisitor

The abstract model visitor template.

Class definitions

nitc $ TestModelVisitor

# Example visitor that just count kind of entities.
class TestModelVisitor
	super ModelVisitor

	redef fun visit(e) do
		cpt.inc(e.class_name)

		if not e isa Model then
			var name = e.full_name
			var old = names.get_or_null(name)
			if old != null then
				names[name + "!CONFLICT!" + old.class_name] = old
				name = name + "!CONFLICT!" + e.class_name
			end
			names[name] = e
		end

		e.visit_all(self)
	end

	# Counter of visited entities (by classnames)
	var cpt = new Counter[String]

	# Dictionary of full_names
	var names = new Map[String, MEntity]
end

src/test_model_visitor.nit:23,1--48,3