public static MvcHtmlString ToHtmlString( Forall expression, bool link = true)
{
if (link)
return MvcHtmlString.Create (string.Format("∀ {0} · {1}",
string.Join(", ", expression.Declarations.Select (variable => string.Format ("{0}:<a href=#object-{2}>{1}</a>", variable.Name, variable.Type.Identifier, variable.Type.Identifier))),
Embed(expression, expression.Enclosed, expression.Enclosed.ToHtmlString(link))
));
return MvcHtmlString.Create (string.Format("∀ {0} · {1}",
string.Join(", ", expression.Declarations.Select (variable => string.Format ("{0}:{1}", variable.Name, variable.Type.Identifier))),
Embed(expression, expression.Enclosed, expression.Enclosed.ToHtmlString(link))
));
}
public Formula BuildFormula(ParsedElement value, Dictionary<string, Entity> declaredVariables)
{
if (value == null)
throw new ArgumentNullException ("value");
if (value.GetType() == typeof (ParsedForallExpression)) {
var a = new Forall ();
var d2 = new Dictionary<string, KAOSTools.MetaModel.Entity> (declaredVariables);
foreach (var arg in (value as ParsedForallExpression).arguments) {
var name = arg.VariableName;
var type = GetOrCreateEntity (arg.Type);
if (declaredVariables.ContainsKey(name)) {
throw new CompilationException (string.Format ("'{0}' is already defined", name));
}
a.Declarations.Add (new KAOSTools.MetaModel.ArgumentDeclaration() {
Name = name,
Type = type
});
d2.Add (name, type);
}
a.Enclosed = BuildFormula ((value as ParsedForallExpression).Enclosed, d2);
return a;
} else if (value.GetType() == typeof (ParsedExistsExpression)) {
var a = new Exists ();
var d2 = new Dictionary<string, KAOSTools.MetaModel.Entity> (declaredVariables);
foreach (var arg in (value as ParsedExistsExpression).arguments) {
var name = arg.VariableName;
var type = GetOrCreateEntity (arg.Type);
if (declaredVariables.ContainsKey(name)) {
throw new CompilationException (string.Format ("'{0}' is already defined", name));
}
a.Declarations.Add (new KAOSTools.MetaModel.ArgumentDeclaration() {
Name = name,
Type = type
});
d2.Add (name, type);
}
a.Enclosed = BuildFormula ((value as ParsedExistsExpression).Enclosed, d2);
return a;
} else if (value.GetType() == typeof (ParsedStrongImplyExpression)) {
return new StrongImply () {
Left = BuildFormula ((value as ParsedStrongImplyExpression).Left, declaredVariables),
Right = BuildFormula ((value as ParsedStrongImplyExpression).Right, declaredVariables)
};
} else if (value.GetType() == typeof (ParsedImplyExpression)) {
return new Imply () {
Left = BuildFormula ((value as ParsedImplyExpression).Left, declaredVariables),
Right = BuildFormula ((value as ParsedImplyExpression).Right, declaredVariables)
};
} else if (value.GetType() == typeof (ParsedEquivalenceExpression)) {
return new Equivalence () {
Left = BuildFormula ((value as ParsedEquivalenceExpression).Left, declaredVariables),
Right = BuildFormula ((value as ParsedEquivalenceExpression).Right, declaredVariables)
};
} else if (value.GetType() == typeof (ParsedUntilExpression)) {
return new Until () {
Left = BuildFormula ((value as ParsedUntilExpression).Left, declaredVariables),
Right = BuildFormula ((value as ParsedUntilExpression).Right, declaredVariables)
};
} else if (value.GetType() == typeof (ParsedUnlessExpression)) {
return new Unless () {
Left = BuildFormula ((value as ParsedUnlessExpression).Left, declaredVariables),
Right = BuildFormula ((value as ParsedUnlessExpression).Right, declaredVariables)
};
} else if (value.GetType() == typeof (ParsedReleaseExpression)) {
return new Release () {
Left = BuildFormula ((value as ParsedReleaseExpression).Left, declaredVariables),
Right = BuildFormula ((value as ParsedReleaseExpression).Right, declaredVariables)
};
} else if (value.GetType() == typeof (ParsedAndExpression)) {
return new And () {
Left = BuildFormula ((value as ParsedAndExpression).Left, declaredVariables),
Right = BuildFormula ((value as ParsedAndExpression).Right, declaredVariables)
};
} else if (value.GetType() == typeof (ParsedOrExpression)) {
return new Or () {
Left = BuildFormula ((value as ParsedOrExpression).Left, declaredVariables),
Right = BuildFormula ((value as ParsedOrExpression).Right, declaredVariables)
};
} else if (value.GetType() == typeof (ParsedNotExpression)) {
return new Not () {
Enclosed = BuildFormula ((value as ParsedNotExpression).Enclosed, declaredVariables)
};
} else if (value.GetType() == typeof (ParsedNextExpression)) {
return new Next () {
Enclosed = BuildFormula ((value as ParsedNextExpression).Enclosed, declaredVariables)
};
} else if (value.GetType() == typeof (ParsedEventuallyExpression)) {
return new Eventually () {
Enclosed = BuildFormula ((value as ParsedEventuallyExpression).Enclosed, declaredVariables),
TimeBound = BuildTimeBound ((value as ParsedEventuallyExpression).TimeBound)
};
} else if (value.GetType() == typeof (ParsedEventuallyBeforeExpression)) {
return new EventuallyBefore () {
Left = BuildFormula ((value as ParsedEventuallyBeforeExpression).Left, declaredVariables),
Right = BuildFormula ((value as ParsedEventuallyBeforeExpression).Right, declaredVariables),
TimeBound = BuildTimeBound ((value as ParsedEventuallyBeforeExpression).TimeBound)
};
} else if (value.GetType() == typeof (ParsedGloballyExpression)) {
return new Globally () {
Enclosed = BuildFormula ((value as ParsedGloballyExpression).Enclosed, declaredVariables),
TimeBound = BuildTimeBound ((value as ParsedGloballyExpression).TimeBound)
};
} else if (value.GetType() == typeof (ParsedPredicateReferenceExpression)) {
var prel = value as ParsedPredicateReferenceExpression;
// Check if arguments are all defined
foreach (var arg in prel.ActualArguments) {
if (!declaredVariables.ContainsKey (arg)) {
throw new CompilationException (string.Format("'{0}' is not declared ({1}:{2},{3})",
arg, prel.Filename, prel.Line, prel.Col));
}
}
return new PredicateReference () {
Predicate = GetOrCreatePredicate (prel, declaredVariables),
ActualArguments = prel.ActualArguments
};
} else if (value.GetType() == typeof (ParsedInRelationExpression)) {
var prel = value as ParsedInRelationExpression;
foreach (var arg in prel.Variables) {
if (!declaredVariables.ContainsKey (arg)) {
throw new CompilationException (string.Format("'{0}' is not declared", arg));
}
}
return new RelationReference () {
Relation = GetOrCreateRelation (value as ParsedInRelationExpression, declaredVariables),
ActualArguments = prel.Variables
};
} else if (value.GetType() == typeof (ParsedAttributeReferenceExpression)) {
var pref = value as ParsedAttributeReferenceExpression;
if (declaredVariables.ContainsKey(pref.Variable)) {
return new AttributeReference () {
Variable = pref.Variable,
Entity = declaredVariables[pref.Variable],
Attribute = GetOrCreateAttribute (value as ParsedAttributeReferenceExpression, declaredVariables[pref.Variable])
};
} else {
throw new CompilationException (string.Format ("Variable '{0}' is not declared", pref.Variable));
}
} else if (value.GetType() == typeof (ParsedComparisonExpression)) {
var pref = value as ParsedComparisonExpression;
ComparisonCriteria criteria;
if (pref.criteria == ParsedComparisonCriteria.Equals) {
criteria = ComparisonCriteria.Equals;
} else if (pref.criteria == ParsedComparisonCriteria.NotEquals) {
criteria = ComparisonCriteria.NotEquals;
} else if (pref.criteria == ParsedComparisonCriteria.BiggerThan) {
criteria = ComparisonCriteria.BiggerThan;
} else if (pref.criteria == ParsedComparisonCriteria.BiggerThanOrEquals) {
criteria = ComparisonCriteria.BiggerThanOrEquals;
} else if (pref.criteria == ParsedComparisonCriteria.LessThan) {
criteria = ComparisonCriteria.LessThan;
} else if (pref.criteria == ParsedComparisonCriteria.LessThanOrEquals) {
criteria = ComparisonCriteria.LessThanOrEquals;
} else {
throw new NotImplementedException ();
}
return new ComparisonPredicate () {
Criteria = criteria,
Left = BuildFormula (pref.Left, declaredVariables),
Right = BuildFormula (pref.Right, declaredVariables)
};
} else if (value.GetType() == typeof (ParsedStringConstantExpression)) {
return new StringConstant { Value = Sanitize((value as ParsedStringConstantExpression).Value) };
} else if (value.GetType() == typeof (ParsedNumericConstantExpression)) {
return new NumericConstant { Value = (value as ParsedNumericConstantExpression).Value };
} else if (value.GetType() == typeof (ParsedBoolConstantExpression)) {
return new BoolConstant { Value = (value as ParsedBoolConstantExpression).Value };
} else if (value.GetType() == typeof (ParsedVariableReference)) {
if (!declaredVariables.ContainsKey((value as ParsedVariableReference).Value)) {
throw new CompilationException (string.Format ("Variable '{0}' is not declared", (value as ParsedVariableReference).Value));
}
return new VariableReference { Name = (value as ParsedVariableReference).Value };
}
throw new NotImplementedException (string.Format ("{0} is not yet supported",
value.GetType ().Name));
}
private static string ToHtmlString(Forall expression)
{
return string.Format("∀ {0} · {1}",
string.Join(", ", expression.Declarations.Select (variable => string.Format ("{0}:{1}", variable.Name, variable.Type.Identifier))),
Parenthesize(expression, expression.Enclosed, ToHtmlString(expression.Enclosed))
);
}