public ElementModification Copy()
{
var copy = new ElementModification();
copy.Reference = Reference.Copy();
copy.Modification = Modification.Copy();
return(copy);
}
Class createClass(Class c, Modification qm)
{
var qmod = Merge(qm, c.Modification);
if (qmod == c.Modification)
{
return(c);
}
else
{
return new ImplicitClass()
{
ID = c.ID, Definition = c.Definition, Modification = qmod, Parent = c.Parent
}
};
}
Modification qualify(Class c, Modification mod, Instance host)
{
if (mod == null)
{
return(null);
}
foreach (var em in mod.Modifications)
{
}
return(mod);
}
Class getClass(Class c, ComponentDeclaration e, Modification qm, Instance host)
{
var type = lookupClass(c, e.Clause.Type, host);
var qmod = qualify(c, e.Modification, host);
qmod = Merge(qm, qmod);
return(createClass(type, qmod));
}
Modification Merge(Modification env, Modification mod)
{
if (env == null)
{
return(mod);
}
else if (mod == null)
{
return(env);
}
else
{
var result = env.Copy();
foreach (var em in mod.Modifications)
{
if (Select(env, em.Reference.ID) == null)
{
result.Modifications.Add(em);
}
}
foreach (var e in mod.Redeclarations)
{
//if(redeclare(env, e.ID)==null)
//result.Redeclarations.Add(e);
}
if (env.Value == null)
{
result.Value = mod.Value;
}
return(result);
}
}
Modification Select(Modification env, string ID)
{
if (env == null || env.Modifications == null)
{
return(null);
}
var x = env.Modifications.FirstOrDefault(x => x.Reference.ID == ID);
if (x != null)
{
if (x.Reference.Next == null)
{
return(x.Modification);
}
else
{
var mod = new Modification();
var em = new ElementModification {
Reference = x.Reference.Next, Modification = x.Modification
};
mod.Modifications.Add(em);
return(mod);
}
}
else
{
return(null);
}
}
Instance Elaborate(Class c, Instance host)
{
if (c.Definition == null)
{
}
foreach (var ext in c.Definition.Elements.OfType <Extends>())
{
}
foreach (var clause in c.Definition.Elements.OfType <ComponentClause>())
{
foreach (var decl in clause.Declarations)
{
decl.Clause = clause;
var qmod = Select(c.Modification, decl.ID);
var type = getClass(c, decl, qmod, host);
var comp = Elaborate(type, new Instance());
comp.ID = decl.ID;
comp.Type = type.ID;
if (isSimpleType(type.ID))
{
comp.Source = decl.Clause;
}
host.Parts.Add(comp);
}
}
foreach (var eqsec in c.Definition.Elements.OfType <EquationSection>())
{
foreach (var eq in eqsec.Equations)
{
host.Equations.Add(eq);
}
}
if (c.Modification != null)
{
host.Value = c.Modification.Value;
}
return(host);
}
}
