508 lines
23 KiB
Standard ML
508 lines
23 KiB
Standard ML
(*****************************************************************************
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* su4sml --- an SML repository for managing (Secure)UML/OCL models
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* http://projects.brucker.ch/su4sml/
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*
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* rep_ocl.sml ---
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* This file is part of su4sml.
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*
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* Copyright (c) 2005-2007 ETH Zurich, Switzerland
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* 2008-2009 Achim D. Brucker, Germany
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* * Neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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******************************************************************************)
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(* $Id$ *)
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(** Repository datatypes and helper functions for UML/OCL types. *)
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signature REP_OCL_TYPE =
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sig
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type Path = string list
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datatype OclType = Integer | Real | String | Boolean | OclAny
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| Set of OclType | Sequence of OclType
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| OrderedSet of OclType | Bag of OclType
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| Collection of OclType | OclState
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| TupleType of (string * OclType) list
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| Classifier of Path | OclVoid | DummyT | TemplateParameter of string
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val short_name_of_OclType: OclType -> string
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val path_of_OclType : OclType -> Path
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val collection_type_of_OclType : OclType -> OclType
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val string_of_OclType : OclType -> string
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val string_of_path : Path -> string
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val path_to_string: Path -> string -> string
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val string_of_OclType_colon : OclType -> string
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val pathstring_of_path: Path -> string
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val is_Classifier : OclType -> bool
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val is_Collection : OclType -> bool
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end
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(** Repository datatypes and helper functions for OCL expressions. *)
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signature REP_OCL_TERM =
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sig
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include REP_OCL_TYPE
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datatype OclTerm =
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Literal of string * OclType (* Literal with type *)
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| Tuple of
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(string * OclTerm * OclType ) list
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| CollectionLiteral of CollectionPart list
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* OclType (* content with type *)
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| If of OclTerm * OclType (* condition *)
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* OclTerm * OclType (* then *)
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* OclTerm * OclType (* else *)
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* OclType (* result type *)
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| QualifiedAssociationEndCall of
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OclTerm * OclType (* source *)
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* (OclTerm * OclType) list (* qualies*)
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* Path (* assoc.-enc *)
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* OclType (* result type *)
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| AssociationEndCall of
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OclTerm * OclType (* source *)
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* Path (* assoc.-enc *)
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* OclType (* result type *)
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| AttributeCall of
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OclTerm * OclType (* source *)
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* Path (* attribute *)
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* OclType (* result type *)
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| OperationCall of
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OclTerm * OclType (* source *)
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* Path (* operation *)
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* (OclTerm * OclType) list (* parameters *)
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* OclType (* result tupe *)
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| OperationWithType of
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OclTerm * OclType (* source *)
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* string * OclType (* type parameter *)
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* OclType (* result type *)
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| Predicate of
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OclTerm * OclType (* source *)
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* Path (* name *)
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* (OclTerm * OclType) list (* arguments *)
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| Variable of
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string * OclType (* name with type *)
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| Let of
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string * OclType (* variable *)
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* OclTerm * OclType (* rhs *)
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* OclTerm * OclType (* in *)
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| Iterate of
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(string * OclType) list (* iterator variables *)
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* string * OclType * OclTerm (* result variable *)
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* OclTerm * OclType (* source *)
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* OclTerm * OclType (* iterator body *)
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* OclType (* result type *)
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| Iterator of
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string (* name of iterator *)
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* (string * OclType) list (* iterator variables *)
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* OclTerm * OclType (* source *)
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* OclTerm * OclType (* iterator-body *)
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* OclType (* result type *)
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and CollectionPart = CollectionItem of OclTerm
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* OclType
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| CollectionRange of OclTerm (* first *)
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* OclTerm (* last *)
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* OclType
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end
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structure Rep_OclType : REP_OCL_TYPE =
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struct
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open Rep_Helper
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type Path = string list
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datatype OclType = Integer | Real | String | Boolean | OclAny
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| Set of OclType | Sequence of OclType
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| OrderedSet of OclType | Bag of OclType
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| Collection of OclType | OclVoid | DummyT
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| TupleType of (string * OclType) list | OclState
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| Classifier of Path
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| TemplateParameter of string
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(** Convert Path to a string using given separator *)
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fun path_to_string (path:Path) separator = case path of
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[] => ""
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| p => foldr1 (fn (a,b) => a^separator^b) p
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(** Convert Path to a string using ., creating a Java package name like string *)
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fun string_of_path (path:Path) = path_to_string path "."
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(** Convert Path to a string using /, creating a Unix directory like string *)
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fun pathstring_of_path (path:Path) = path_to_string path "/"
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fun string_of_OclType' f Integer = "Integer"
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| string_of_OclType' f Real = "Real"
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| string_of_OclType' f String = "String"
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| string_of_OclType' f Boolean = "Boolean"
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| string_of_OclType' f OclAny = "OclAny"
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| string_of_OclType' f (Set t) = ("Set("^(string_of_OclType' f t)^")")
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| string_of_OclType' f (Sequence t) = ("Sequence("^(string_of_OclType'
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f t)^")")
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| string_of_OclType' f (OrderedSet t) = ("OrderedSet("^(string_of_OclType'
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f t)^")")
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| string_of_OclType' f (Bag t) = ("Bag("^(string_of_OclType'
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f t)^")")
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| string_of_OclType' f (Collection t) = ("Collection("^(string_of_OclType'
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f t)^")")
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| string_of_OclType' f OclVoid = "OclVoid"
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| string_of_OclType' f (Classifier p) = (path_to_string p f)
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| string_of_OclType' f DummyT = "DummyT"
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| string_of_OclType' f (TemplateParameter s) = "TemplateParameter \""^s^"\""
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fun collection_type_of_OclType (Set t) = t
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| collection_type_of_OclType (Sequence t) = t
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| collection_type_of_OclType (OrderedSet t) = t
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| collection_type_of_OclType (Bag t) = t
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| collection_type_of_OclType (Collection t) = t
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fun string_of_OclType t = string_of_OclType' "." t
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fun path_of_OclType (Classifier p) = p
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| path_of_OclType (Integer) = ["oclLib","Integer"]
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| path_of_OclType (Boolean) = ["oclLib","Boolean"]
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| path_of_OclType (Real) = ["oclLib","Real"]
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| path_of_OclType (String) = ["oclLib","String"]
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| path_of_OclType (OclAny) = ["oclLib","OclAny"]
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| path_of_OclType (OclVoid) = ["oclLib","OclVoid"]
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| path_of_OclType (TemplateParameter p) = [] (* FIXME *)
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| path_of_OclType x = ["oclLib",string_of_OclType x]
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fun short_name_of_OclType t = (List.last o path_of_OclType) t
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(** Convert OclType to a string with :: in between *)
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fun string_of_OclType_colon t = string_of_OclType' "::" t
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fun is_Classifier (Classifier p) = true
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| is_Classifier _ = false
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fun is_Collection (Set _) = true
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| is_Collection (Sequence _) = true
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| is_Collection (OrderedSet _) = true
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| is_Collection (Bag _) = true
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| is_Collection (Collection _) = true
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| is_Collection _ = false
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end
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structure Rep_OclTerm : REP_OCL_TERM =
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struct
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open Rep_OclType
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datatype OclTerm =
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Literal of string * OclType (* Literal with type *)
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| Tuple of
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(string * OclTerm * OclType) list
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| CollectionLiteral of CollectionPart list
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* OclType (* content with type *)
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| If of OclTerm * OclType (* condition *)
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* OclTerm * OclType (* then *)
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* OclTerm * OclType (* else *)
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* OclType (* result type *)
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| QualifiedAssociationEndCall of
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OclTerm * OclType (* source *)
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* (OclTerm * OclType) list (* qualies*)
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* Path (* assoc.-enc *)
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* OclType (* result type *)
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| AssociationEndCall of
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OclTerm * OclType (* source *)
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* Path (* assoc.-enc *)
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* OclType (* result type *)
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| AttributeCall of
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OclTerm * OclType (* source *)
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* Path (* attribute *)
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* OclType (* result type *)
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| OperationCall of
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OclTerm * OclType (* source *)
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* Path (* operation *)
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* (OclTerm * OclType) list (* parameters *)
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* OclType (* result tupe *)
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| OperationWithType of
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OclTerm * OclType (* source *)
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* string * OclType (* type parameter *)
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* OclType (* result type *)
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| Predicate of
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OclTerm * OclType (* source *)
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* Path (* name *)
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* (OclTerm * OclType) list (* arguments *)
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| Variable of
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string * OclType (* name with type *)
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| Let of
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string * OclType (* variable *)
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* OclTerm * OclType (* rhs *)
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* OclTerm * OclType (* in *)
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| Iterate of
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(string * OclType) list (* iterator variables *)
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* string * OclType * OclTerm (* result variable *)
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* OclTerm * OclType (* source *)
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* OclTerm * OclType (* iterator body *)
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* OclType (* result type *)
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| Iterator of
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string (* name of iterator *)
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* (string * OclType) list (* iterator variables *)
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* OclTerm * OclType (* source *)
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* OclTerm * OclType (* iterator-body *)
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* OclType (* result type *)
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and CollectionPart = CollectionItem of OclTerm
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* OclType
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| CollectionRange of OclTerm (* first *)
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* OclTerm (* last *)
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* OclType
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end
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structure Rep_OclHelper =
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struct
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open Rep_OclTerm
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exception InvalidArguments of string
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(** gives the type of an OCL expression.
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* Should be moved to Rep_Ocl?
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*)
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fun type_of (Literal (_,t)) = t
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| type_of (CollectionLiteral (_,t)) = t
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| type_of (If (_,_,_,_,_,_,t)) = t
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| type_of (AssociationEndCall (_,_,_,t)) = t
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| type_of (AttributeCall (_,_,_,t)) = t
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| type_of (OperationCall (_,_,_,_,t)) = t
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| type_of (OperationWithType(_,_,_,_,t)) = t
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| type_of (Variable (_,t)) = t
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| type_of (Let (_,_,_,_,_,t)) = t
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| type_of (Iterate (_,_,_,_,_,_,_,_,t)) = t
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| type_of (Iterator (_,_,_,_,_,_,t)) = t
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| type_of (Predicate(_,_,_,_)) = Boolean
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(* or rather short_string_of ?*)
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fun term_name_of (Literal _) = "Literal"
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| term_name_of (CollectionLiteral _) = "CollectionLiteral"
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| term_name_of (If _) = "If"
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| term_name_of (AssociationEndCall _) = "AssociationEndCall"
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| term_name_of (AttributeCall _) = "AttributeCall"
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| term_name_of (OperationCall _) = "OperationCall"
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| term_name_of (OperationWithType _) = "OperationWithType"
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| term_name_of (Variable _) = "Variable"
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| term_name_of (Let _) = "Let"
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| term_name_of (Iterate _) = "Iterate"
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| term_name_of (Iterator _) = "Iterator"
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fun self t = Variable ("self",t)
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fun result t = Variable ("result", t)
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(* apply f to aendCalls, attCalls and qualiCalls *)
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fun mapOclCalls f (If(cond,condType,thenn,thennType,elsee,elseeType,
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resultType))=
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If(mapOclCalls f cond,condType,
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mapOclCalls f thenn,thennType,
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mapOclCalls f elsee,elseeType,
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resultType)
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| mapOclCalls f (QualifiedAssociationEndCall(source, sourceType,
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qualifierVals,path,
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resultType)) =
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f (QualifiedAssociationEndCall (mapOclCalls f source, sourceType,
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qualifierVals, path,
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resultType))
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| mapOclCalls f (AssociationEndCall(source,sourceType,path,
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resultType)) =
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f (AssociationEndCall(mapOclCalls f source,sourceType,
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path,resultType))
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| mapOclCalls f (AttributeCall(source,sourceType,path,resultType)) =
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f (AttributeCall(mapOclCalls f source,sourceType,
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path,resultType))
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| mapOclCalls f (OperationCall(source,sourceType,path,parameters,
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resultType)) =
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let
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fun handleParameter (term,termType) = (mapOclCalls f term,termType)
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in
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OperationCall(mapOclCalls f source,sourceType,
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path,map handleParameter parameters,resultType)
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end
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| mapOclCalls f (OperationWithType(source,sourceType,var,varType,
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resulType)) =
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OperationWithType(mapOclCalls f source,sourceType,
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var,varType,resulType)
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| mapOclCalls f (Let(name,nameType,rhs,rhsType,body,bodyType)) =
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Let(name,nameType,
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mapOclCalls f rhs,rhsType,
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mapOclCalls f body,bodyType)
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| mapOclCalls f (Iterate (vars,name,nameType,nameTerm,
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source,sourceType,body,
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bodyType,resultType)) =
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Iterate (vars,
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name,nameType, mapOclCalls f nameTerm,
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mapOclCalls f source,sourceType,
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mapOclCalls f body,bodyType,
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resultType)
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| mapOclCalls f (Iterator (name,vars,source,sourceType,body,bodyType,
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resultType)) =
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Iterator (name,vars,
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mapOclCalls f source, sourceType,
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mapOclCalls f body,bodyType,
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resultType)
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| mapOclCalls f x = x
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(* BUG: let...? *)
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fun ocl_let var rhs body = Let (var,type_of rhs,rhs,type_of rhs,body,type_of body)
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fun ocl_opcall source f args t = OperationCall (source, type_of source, f,
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map (fn x => (x,type_of x)) args,
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t)
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fun ocl_attcall source att t = AttributeCall (source, type_of source, att, t)
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fun ocl_aendcall source aend t = AssociationEndCall (source, type_of source,
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aend, t)
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fun ocl_opwithtype source f t s = OperationWithType (source, type_of source, f,
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t, s)
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(* requires type_of t = type_of e *)
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fun ocl_if cond t e = If (cond, type_of cond, t, type_of t, e, type_of e,
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(* FIXME: use the least common supertype of t and e *)
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(* or even DummyT? *)
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type_of t)
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(* requires type_of init = type_of body *)
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fun ocl_iterate var acc init source body = Iterate ([(var,type_of source)],
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acc, type_of init, init,
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source, type_of source,
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body, type_of body,
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type_of init)
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(* Boolean *)
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val ocl_true = Literal ("true",Boolean)
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val ocl_false = Literal ("false",Boolean)
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fun ocl_not a = ocl_opcall a ["oclLib", "Boolean", "not"] [] Boolean
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fun ocl_and a b = ocl_opcall a ["oclLib", "Boolean", "and"] [b] Boolean
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fun ocl_or a b = ocl_opcall a ["oclLib", "Boolean", "or"] [b] Boolean
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fun ocl_xor a b = ocl_opcall a ["oclLib", "Boolean", "xor"] [b] Boolean
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fun ocl_implies a b = ocl_opcall a ["oclLib", "Boolean", "implies"] [b] Boolean
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fun ocl_and_all [] = raise (InvalidArguments "rep_ocl.ocl_and_all: empty argument list")
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| ocl_and_all [a] = a
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| ocl_and_all (a::xs) = ocl_and a (ocl_and_all xs)
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fun ocl_or_all [] = raise (InvalidArguments "rep_ocl.ocl_or_all: empty argument list")
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| ocl_or_all [a] = a
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| ocl_or_all (a::xs) = ocl_or a (ocl_or_all xs)
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(* Integer: -,+,-,*,/,abs,div,mod,max,min *)
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(* Real : -,+,-,*,/,abs,floor,round,max,min,<,>,<=,>= *)
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(* String : size, concat, substring, toInteger, toReal *)
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fun ocl_leq a b = ocl_opcall a ["oclLib", "Integer", "<="] [b] Boolean
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fun ocl_geq a b = ocl_opcall a ["oclLib", "Integer", ">="] [b] Boolean
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(* OclAny *)
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fun ocl_eq a b = ocl_opcall a ["oclLib", "OclAny", "="] [b] Boolean
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fun ocl_neq a b = ocl_opcall a ["oclLib", "OclAny", "<>"] [b] Boolean
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fun ocl_isNew a = ocl_opcall a ["oclLib", "OclAny", "oclIsNew"] nil Boolean
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fun ocl_isUndefined a = ocl_opcall a ["oclLib", "OclAny", "oclIsUndefined"] nil Boolean
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fun ocl_allInstances s = ocl_opcall s ["oclLib", "OclAny", "allInstances"] nil
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(Set (type_of s))
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fun ocl_isTypeOf a t = ocl_opwithtype a "oclIsTypeOf" t Boolean
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fun ocl_isKindOf a t = ocl_opwithtype a "oclIsKindOf" t Boolean
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fun ocl_asType a t = ocl_opwithtype a "oclAsType" t t
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(* Collection: size,includes,excludes,count,includesAll,excludesAll,isEmpty, *)
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(* notEmpty,sum, product *)
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(* Set : union_set,union_bag,=,intersection_set,intersection_bag,-, *)
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(* including,excluding,symmetricDifference,count,flatten,asSet, *)
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(* asOrderedSet,asSequence,asBag *)
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(* OrderedSet: append,prepend,insertAt,subOrderedSet,at,indexOf,first,last *)
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(* Bag : =,union_bag,union_set,intersection_bag,intersection_set, *)
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(* including,excluding,count,flatten,asBag,asSequence,asSet, *)
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(* asOrderedSet *)
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(* Sequence : count,=,union,flatten,append,prepend,insertAt,subSequence, *)
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(* at,indexOf,first,last,including,excluding,asBag,asSequence, *)
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(* asSet,asOrderedSet *)
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fun ocl_includes a b = ocl_opcall a ["oclLib", "Collection", "includes"] [b] Boolean
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fun ocl_includesAll a b = ocl_opcall a ["oclLib", "Collection", "includesAll"] [b] Boolean
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fun ocl_excludes a b = ocl_opcall a ["oclLib", "Collection", "excludes"] [b] Boolean
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fun ocl_excludesAll a b = ocl_opcall a ["oclLib", "Collection", "excludesAll"] [b] Boolean
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fun ocl_intersection_set a b = ocl_opcall a ["oclLib", "Set", "intersection_set"] [b] (Set (type_of a))
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fun ocl_modifiedOnly a = ocl_opcall a ["oclLib", "Set", "modifiedOnly"] [] Boolean
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fun ocl_size a = ocl_opcall a ["oclLib", "Collection", "size"] [] Integer
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(* Collection constructors *)
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fun ocl_set xs t = CollectionLiteral (map (fn x => CollectionItem (x, type_of x)) xs, Set t)
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(* Iterators(Collection): exists,forAll,isUnique,any,one,collect *)
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(* Iterators(Set) : select,reject,collectNested,sortedBy *)
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(* Iterators(Bag) : select,reject,collectNested,sortedBy *)
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(* Iterators(Sequence) : select,reject,collectnested,sortedBy *)
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(* FIXME: automatically take a "fresh" variable that is free in s? *)
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(* But then you need this information in body... *)
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fun ocl_collect source var body = Iterator ("collect", [(var,type_of source)],
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source, type_of source,
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body, type_of body,
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Bag (type_of body))
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(* source::Collection/Set/..., variables:: Variable list , body:: expression to be evaluated *)
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(* body must evaluate to Boolean *)
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fun ocl_forAll (source:OclTerm) (variables:OclTerm list) (body:OclTerm) =
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let
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fun strip_var (Variable(name,var_type)) = (name,var_type)
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in
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Iterator ("forAll", map strip_var variables,
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source, type_of source,
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body, type_of body,
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Bag (type_of body))
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end
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fun ocl_select (source:OclTerm) (Variable variable) (body:OclTerm) =
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Iterator ("select", [variable],
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source, type_of source,
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body, type_of body,
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Set (type_of body))
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fun ocl_exists (source:OclTerm) (Variable variable) (body:OclTerm) =
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Iterator ("exists", [variable],
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source, type_of source,
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body, type_of body,
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Set (type_of body))
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fun atpre exp = ocl_opcall exp ["oclLib","OclAny","atPre"] nil (type_of exp)
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end
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