+
+ private init make(n_args : ANodes[AExpr])
+ do
+ _n_visibility = new APublicVisibility
+ _n_args = n_args
+ end
+end
+
+redef class MEntity
+ # Build a ANode from `self`
+ #
+ # Allows the creation of an AST node from a model entity.
+ fun create_ast_representation(astbuilder: nullable ASTBuilder): ANode is abstract
+end
+
+redef class MPropDef
+ redef fun create_ast_representation(astbuilder: nullable ASTBuilder): APropdef is abstract
+end
+
+redef class MClassDef
+ redef fun create_ast_representation(astbuilder: nullable ASTBuilder): AStdClassdef do
+ if astbuilder == null then astbuilder = new ASTBuilder(mmodule)
+ var n_propdefs = new Array[APropdef]
+ for mpropdef in self.mpropdefs do
+ n_propdefs.add(mpropdef.create_ast_representation(astbuilder))
+ end
+ var n_formaldefs = new Array[AFormaldef]
+ for mparameter in self.mclass.mparameters do n_formaldefs.add(mparameter.create_ast_representation(astbuilder))
+
+ return astbuilder.make_class(self, visibility.create_ast_representation(astbuilder), n_formaldefs, null, n_propdefs, null)
+ end
+end
+
+redef class MAttributeDef
+ redef fun create_ast_representation(astbuilder: nullable ASTBuilder): AAttrPropdef do
+ if astbuilder == null then astbuilder = new ASTBuilder(mclassdef.mmodule)
+ var ntype = null
+ if self.static_mtype != null then ntype = static_mtype.create_ast_representation(astbuilder)
+ return astbuilder.make_attribute("_" + self.name, ntype, self.visibility.create_ast_representation(astbuilder), null, null, self, null, null)
+ end
+end
+
+redef class MMethodDef
+ redef fun create_ast_representation(astbuilder: nullable ASTBuilder): AMethPropdef do
+ if astbuilder == null then astbuilder = new ASTBuilder(mclassdef.mmodule)
+ var tk_redef = null
+ if self.mproperty.intro != self then tk_redef = new TKwredef
+ var n_signature = if self.msignature == null then new ASignature else self.msignature.create_ast_representation(astbuilder)
+ return astbuilder.make_method(visibility.create_ast_representation(astbuilder), tk_redef, self, n_signature)
+ end
+end
+
+redef class MVisibility
+ fun create_ast_representation(astbuilder: nullable ASTBuilder): AVisibility do
+ if self.to_s == "public" then
+ return new APublicVisibility
+ else if self.to_s == "private" then
+ return new APrivateVisibility
+ else if self.to_s == "protected" then
+ return new AProtectedVisibility
+ else
+ return new AIntrudeVisibility
+ end
+ end
+end
+
+redef class MSignature
+ redef fun create_ast_representation(astbuilder: nullable ASTBuilder): ASignature do
+ var nparams = new Array[AParam]
+ for mparam in mparameters do nparams.add(mparam.create_ast_representation(astbuilder))
+ var return_type = null
+ if self.return_mtype != null then return_type = self.return_mtype.create_ast_representation(astbuilder)
+ return new ASignature.init_asignature(null, nparams, null, return_type)
+ end
+end
+
+redef class MParameter
+ redef fun create_ast_representation(astbuilder: nullable ASTBuilder): AParam do
+ var variable = new Variable(self.name)
+ variable.declared_type = self.mtype
+ return new AParam.make(variable, self.mtype.create_ast_representation(astbuilder))
+ end
+end
+
+redef class MParameterType
+ redef fun create_ast_representation(astbuilder: nullable ASTBuilder): AFormaldef do
+ var n_type = super
+ return new AFormaldef.make(self, n_type)
+ end
+end
+
+redef class MType
+ redef fun create_ast_representation(astbuilder: nullable ASTBuilder): AType do
+ return new AType.make(self)
+ end
+end
+
+redef class ModelBuilder
+ # Try to get MMethod property if exist in the given mclassdef. return new `MMethod` if not exist.
+ private fun get_mmethod(name: String, mclassdef: MClassDef, visibility: nullable MVisibility): MMethod do
+ visibility = visibility or else public_visibility
+ var mproperty = try_get_mproperty_by_name(null, mclassdef, name).as(nullable MMethod)
+ if mproperty == null then mproperty = new MMethod(mclassdef, name, mclassdef.location, visibility)
+ return mproperty
+ end
+
+ # Creation of a new method (AST and model representation) with the given name.
+ # See `create_method_from_property` for more information.
+ fun create_method_from_name(name: String, mclassdef: MClassDef, is_abstract: Bool, msignature: nullable MSignature, visibility: nullable MVisibility): AMethPropdef do
+ var mproperty = get_mmethod(name, mclassdef, visibility)
+ return create_method_from_property(mproperty, mclassdef, is_abstract, msignature)
+ end
+
+ # Creation of a new method (AST and model representation) with the given MMethod.
+ # Take care, if `is_abstract == false` the AMethPropdef returned has an empty body (potential error if the given signature has an return type).
+ fun create_method_from_property(mproperty: MMethod, mclassdef: MClassDef, is_abstract: Bool, msignature: nullable MSignature): AMethPropdef do
+ var m_def = new MMethodDef(mclassdef, mproperty, mclassdef.location)
+
+ if msignature == null then msignature = new MSignature(new Array[MParameter])
+
+ m_def.msignature = msignature
+ m_def.is_abstract = true
+ var n_def = m_def.create_ast_representation
+ # Association new npropdef to mpropdef
+ unsafe_add_mpropdef2npropdef(m_def,n_def)
+
+ if not is_abstract then
+ n_def.mpropdef.is_abstract = false
+ n_def.n_block = new ABlockExpr.make
+ end
+
+ return n_def
+ end
+
+ # Creation of a new attribute (AST and model representation) with the given name.
+ # See `create_attribute_from_property` for more information.
+ fun create_attribute_from_name(name: String, mclassdef: MClassDef, mtype: MType, visibility: nullable MVisibility): AAttrPropdef do
+ if visibility == null then visibility = public_visibility
+ var mattribute = try_get_mproperty_by_name(null, mclassdef, name)
+ if mattribute == null then mattribute = new MAttribute(mclassdef, name, mclassdef.location, visibility)
+ return create_attribute_from_property(mattribute.as(MAttribute), mclassdef, mtype)
+ end
+
+ # Creation of a new attribute (AST and model representation) with the given MAttribute.
+ # See `create_attribute_from_propdef` for more information.
+ fun create_attribute_from_property(mattribute: MAttribute, mclassdef: MClassDef, mtype: MType): AAttrPropdef do
+ var attribut_def = new MAttributeDef(mclassdef, mattribute, mclassdef.location)
+ attribut_def.static_mtype = mtype
+ return create_attribute_from_propdef(attribut_def)
+ end
+
+ # Creation of a new attribute (AST representation) with the given MAttributeDef.
+ fun create_attribute_from_propdef(mattribut_def: MAttributeDef): AAttrPropdef
+ is
+ expect(mclassdef2node(mattribut_def.mclassdef) != null)
+ do
+ var n_attribute = mattribut_def.create_ast_representation
+
+ var nclass = mclassdef2node(mattribut_def.mclassdef)
+
+ n_attribute.location = mattribut_def.location
+ n_attribute.validate
+
+ nclass.n_propdefs.unsafe_add_all([n_attribute])
+ nclass.validate
+
+ n_attribute.build_read_property(self, mattribut_def.mclassdef)
+ n_attribute.build_read_signature
+
+ mpropdef2npropdef[mattribut_def] = n_attribute
+ return n_attribute
+ end
+
+ # Creation of a new class (AST and model representation) with the given name.
+ # `visibility` : Define the visibility of the method. If it's `null` the default is `public_visibility`
+ # See `create_class_from_mclass` for more information.
+ fun create_class_from_name(name: String, super_type: Array[MClassType], mmodule: MModule, visibility: nullable MVisibility): AStdClassdef do
+ if visibility == null then visibility = public_visibility
+ var mclass = try_get_mclass_by_name(null, mmodule, name)
+ if mclass == null then mclass = new MClass(mmodule, name, mmodule.location, new Array[String], concrete_kind, visibility)
+ return create_class_from_mclass(mclass, super_type, mmodule)
+ end
+
+ # Creation of a new class (AST and model representation) with the given MClass.
+ # This method creates a new concrete class definition `MClassDef`, and adds it to the class hierarchy.
+ # See `create_class_from_mclassdef` for more information.
+ fun create_class_from_mclass(mclass: MClass, super_type: Array[MClassType], mmodule: MModule): AStdClassdef do
+ var mclassdef = new MClassDef(mmodule, mclass.mclass_type, mmodule.location)
+ mclassdef.set_supertypes(super_type)
+ mclassdef.add_in_hierarchy
+
+ return create_class_from_mclassdef(mclassdef, mmodule)
+ end
+
+ # Creation of a new class (AST representation) with the given MClassDef.
+ # Note all the properties of our MClassDef will also generate an AST representation.
+ # Make an error if the attribute already has a representation in the modelbuilder.
+ # This method also create the default constructor.
+ fun create_class_from_mclassdef(mclassdef: MClassDef, mmodule: MModule): AStdClassdef do
+ var n_classdef = mclassdef.create_ast_representation
+ n_classdef.location = mclassdef.location
+ n_classdef.validate
+
+ for n_propdef in n_classdef.n_propdefs do
+ var mpropdef = n_propdef.mpropdef
+ assert mpropdef != null
+
+ var p_npropdef = mpropdef2node(mpropdef)
+ if p_npropdef != null then error(null, "The property `{mpropdef.name}` already has a representation in the AST.")
+ unsafe_add_mpropdef2npropdef(mpropdef, n_propdef)
+ end
+
+ process_default_constructors(n_classdef)
+ unsafe_add_mclassdef2nclassdef(mclassdef, n_classdef)
+
+ return n_classdef
+ end