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/*****************************************************************************
* Copyright (c) 2015 CEA LIST.
*
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Ed Seidewitz (MDS)
*
*****************************************************************************/
modeltype Alf uses "http://www.omg.org/spec/ALF/20120827";
modeltype UML uses "http://www.eclipse.org/uml2/5.0.0/UML";
library UML2AlfLibrary;
property model : Model;
property modelScopeContextName : String;
helper setModel(model_ : Model) {
model := model_;
}
query isModel(element : Element) : Boolean {
return element = model;
}
helper setModelScope(modelScope : ModelNamespace) {
modelScopeContextName :=
modelScope.context().asUml().oclAsType(NamedElement).umlQualifiedName(null);
}
query Stereotype::toAnnotation() : StereotypeAnnotation {
var qualifiedName := self.qualifiedName;
if qualifiedName.startsWith("StandardProfile::") then
qualifiedName := qualifiedName.substring(17, qualifiedName.length())
endif;
return object StereotypeAnnotation {
stereotypeName := qualifiedName.toAlfQualifiedName(null);
// TODO: Handle tagged values.
}
}
query NamedElement::alfQualifiedName(context : NamedElement) : QualifiedName {
return self.NamedElement_alfQualifiedName(context);
}
query NamedElement::NamedElement_alfQualifiedName(context : NamedElement) : QualifiedName {
var namespace := if context = null then null else context.namespace endif;
return
if namespace <> null and namespace.member->includes(self) then
let names = namespace.getNamesOfMember(self) in
if names->isEmpty() or names->includes(self.name) then
self.name.toAlfQualifiedName(null)
else
names->any(true).toAlfQualifiedName(null)
endif
else
self.umlQualifiedName().toAlfQualifiedName(context)
endif;
}
query Classifier::alfQualifiedName(context : NamedElement) : QualifiedName {
var qualifiedName : QualifiedName;
if (self.templateBinding->isEmpty()) then {
return self.NamedElement_alfQualifiedName(context)
} else {
var templateBinding := self.templateBinding->any(true);
var template := templateBinding.signature.template.oclAsType(NamedElement);
qualifiedName := template.alfQualifiedName(context);
var parameterSubstitutions := templateBinding.parameterSubstitution;
var finalBinding :=
if parameterSubstitutions->size() <= 1 then
object PositionalTemplateBinding {
argumentName := parameterSubstitutions->toArgumentName(context);
}
else
object NamedTemplateBinding{
substitution := templateBinding.parameterSubstitution->
toTemplateParameterSubstitution(context);
}
endif;
qualifiedName.nameBinding->last().binding := finalBinding;
} endif;
return qualifiedName;
}
query uml::TemplateParameterSubstitution::toTemplateParameterSubstitution(context : NamedElement) : TemplateParameterSubstitution {
return
object TemplateParameterSubstitution {
parameterName := self.formal.parameteredElement.oclAsType(NamedElement).alfName();
argumentName := self.toArgumentName(context);
}
}
query uml::TemplateParameterSubstitution::toArgumentName(context : NamedElement) : QualifiedName {
return self.actual.oclAsType(NamedElement).alfQualifiedName(context);
}
query NamedElement::alfPathName(context : NamedElement) : String {
return self.NamedElement_alfPathName(context);
}
query NamedElement::NamedElement_alfPathName(context : NamedElement) : String {
var namespace := if context = null then null else context.namespace endif;
return
if namespace <> null and namespace.member->includes(self) then
let names = namespace.getNamesOfMember(self) in
if names->isEmpty() or names->includes(self.name) then
self.name.toAlfPathName(null)
else
names->any(true).toAlfPathName(null)
endif
else
self.umlQualifiedName().toAlfPathName(context)
endif;
}
query Classifier::alfPathName(context : NamedElement) : String {
return
if (self.templateBinding->isEmpty()) then {
return self.NamedElement_alfPathName(context)
} else {
var templateBinding := self.templateBinding->any(true);
var template := templateBinding.signature.template.oclAsType(NamedElement);
var templateName := template.alfPathName(context);
var parameterSubstitutions := templateBinding.parameterSubstitution;
var n = parameterSubstitutions->size();
var finalBinding :=
if n = 0 then ""
else if n = 1 then
parameterSubstitutions->any(true).toArgumentPathName(context)
else
parameterSubstitutions->iterate(substitution; s : String = "" |
if s = "" then "" else ", " endif +
substitution.toString()
)
endif endif;
return templateName + "<" + finalBinding + ">";
} endif;
}
query uml::TemplateParameterSubstitution::toString(context : NamedElement) : String {
return self.formal.parameteredElement.oclAsType(NamedElement).alfName() + "=>" +
self.toArgumentPathName(context);
}
query uml::TemplateParameterSubstitution::toArgumentPathName(context : NamedElement) : String {
return self.actual.oclAsType(NamedElement).alfPathName(context);
}
query NamedElement::alfName() : String {
return toName(self.name);
}
query toVisibilityString(visibility : VisibilityKind) : String {
return
if visibility = null or visibility = VisibilityKind::package then null
else if visibility = VisibilityKind::private then "private"
else if visibility = VisibilityKind::protected then "protected"
else if visibility = VisibilityKind::public then "public"
endif endif endif endif
}
query String::toNameSequence(context : NamedElement) : Sequence(String) {
var names := self.tokenize("::");
if names->size() > 1 and context <> null then {
var unqualifiedName := names->last();
if context.namespace <> null and
(context.namespace.umlQualifiedName() + "::").startsWith(
self.substring(1, self.length() - unqualifiedName.length())) then
names := Sequence{unqualifiedName}
else if (model <> null and names->at(1) = model.name or
names->at(1) = "PrimitiveTypes") then
names := names->subSequence(2, names->size())
else if names->size() > 2 and names->at(1) = "FoundationalModelLibrary" then
names := names->subSequence(3, names->size())
else if names->size() > 3 and
names->at(1) = "Alf" and names->at(2) = "Library" then
names := names->subSequence(4, names->size())
endif endif endif endif
} endif;
return names;
}
query String::toAlfQualifiedName(context : NamedElement) : QualifiedName {
return
object QualifiedName {
isAmbiguous := false;
nameBinding := self.toNameSequence(context)->
object (n) NameBinding {
name := toName(n)
};
};
}
query String::toAlfPathName(context : NamedElement) : String {
return self.toNameSequence(context)->iterate(n; s : String = "" |
if s = "" then n else s + "::" + n endif
);
}
// Return the UML qualified name, but allowing for empty names and accounting for model scope.
query NamedElement::umlQualifiedName() : String {
return self.umlQualifiedName(modelScopeContextName);
}
query NamedElement::umlQualifiedName(outerQualifiedName : String) : String {
var name := if self.name->isEmpty() then "" else self.name endif;
var namespace := self.namespace;
if namespace = null and
self.oclIsKindOf(ParameterableElement) and
self.oclAsType(ParameterableElement).templateParameter <> null then {
namespace := self.oclAsType(ParameterableElement).templateParameter.signature.template.oclAsType(Namespace);
} endif;
return
if namespace <> null then namespace.umlQualifiedName(outerQualifiedName) + "::" + name
else if outerQualifiedName = null then name
else outerQualifiedName
endif endif;
}
query toName(name : String) : String {
return
if name = null or name.isIdentifier() then name
else name.toRestrictedName()
endif;
}
query String::isIdentifier() : Boolean {
return self.matches("[a-zA-z_][a-zA-z_0-9]*") and not self.isReservedWord();
}
property reservedWords : Set(String) = Set{
"abstract", "accept", "active", "activity", "allInstances", "any",
"as", "assoc", "break", "case", "class", "classify", "clearAssoc",
"compose", "createLink", "datatype", "default", "destroyLink", "do",
"else", "enum" , "for", "from", "hastype", "if", "import", "in",
"inout", "instanceof", "let", "namespace", "new", "nonunique", "null",
"or", "ordered", "out", "package", "private", "protected", "public",
"receive", "redefines", "reduce", "return", "sequence", "specializes",
"super", "signal", "switch", "this", "to", "while"
};
query String::isReservedWord() : Boolean {
return reservedWords->includes(self);
}
query String::toRestrictedName() : String {
return "'" + self.
replace("\\", "\\\\").
replace("\b", "\\b").
replace("\t", "\\t").
replace("\n", "\\n").
replace("\f", "\\f").
replace("\r", "\\r").
replace("'", "\\'") +
"'";
}
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