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-- @name FScript
-- @version 1.0
-- @authors Frédéric Jouault
-- @date 20080205
-- @description Metamodel of the FScript Fractal action language. This metamodel includes the FPath metamodel.
-- @see http://fractal.objectweb.org/fscript/fscript_manual.pdf
package FScript {
-- Every class should extend LocatedElement, directly or indirectly.
-- This is a technical constraint to support text-to-model traceability.
abstract class LocatedElement {
attribute location[0-1] : String;
attribute commentsBefore[*] ordered : String;
attribute commentsAfter[*] ordered : String;
}
-- BEGIN DSL-specific classes (replace sample contents)
abstract class Procedure extends LocatedElement {
attribute name : String;
reference parameters[*] ordered container : VariableDefinition;
reference body container : Block;
}
class Function extends Procedure {}
class Action extends Procedure {}
class VariableDefinition extends LocatedElement {
attribute name : String;
}
class Block extends LocatedElement {
reference statements[*] ordered container : ControlStructure;
reference freeVariables[*] ordered container : VariableDefinition;
}
-- @begin Control Structures
abstract class ControlStructure extends LocatedElement {}
class VariableAssignment extends ControlStructure {
reference variable : VariableDefinition;
reference value container : Expression;
}
class Conditional extends ControlStructure {
reference condition container : Expression;
reference then container : Block;
reference else[0-1] container : Block;
}
class Iteration extends ControlStructure {
reference variable container : VariableDefinition;
reference source container : Expression;
reference body container : Block;
}
class ReturnStat extends ControlStructure {
reference expression[0-1] container : Expression;
}
abstract class PrimitiveAction extends ControlStructure {}
class BindAction extends PrimitiveAction {
reference clientInterface container : Expression;
reference serverInterface container : Expression;
}
-- @end Control Structures
-- END DSL-specific classes
}
-- FPath metamodel elements copied from the FPath Language Project.
package FPath {
-- BEGIN DSL-specific classes (replace sample contents)
abstract class Expression extends LocatedElement {}
class ContextExp extends Expression {}
class VariableExp extends Expression {
reference definition : VariableDefinition;
}
class FunctionCallExp extends Expression {
attribute name : String;
reference arguments[*] ordered container : Expression;
}
class NumberExp extends Expression {
attribute value : Double;
}
class StringExp extends Expression {
attribute value : String;
}
class PathExp extends Expression {
reference initialNodeSet container : Expression;
reference steps[1-*] ordered container : Step;
}
abstract class OperatorExp extends Expression {
attribute operator : String;
}
class BinaryOperatorExp extends OperatorExp {
reference left container : Expression;
reference right container : Expression;
}
class UnaryOperatorExp extends OperatorExp {
reference operand container : Expression;
}
class Step extends LocatedElement {
attribute axis : Axis;
reference test container : Test;
reference predicates[*] ordered container : Expression;
}
abstract class Test extends LocatedElement {}
class WildcardTest extends Test {}
class NameTest extends Test {
attribute name : String;
}
enumeration Axis {
literal component;
literal "internal-interface";
literal interface;
literal "attribute";
literal binding;
literal child;
literal parent;
literal descendant;
literal ancestor;
literal sibling;
literal "descendant-or-self";
literal "ancestor-or-self";
literal "sibling-or-self";
}
-- END DSL-specific classes
}
package PrimitiveTypes {
datatype Boolean;
datatype Double;
datatype Integer;
datatype String;
}
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