public virtual void Visit(MainClassDeclNode node)
{
ClassBeingVisited = Analysis.Environment.Classes.Lookup(node.classIdentifier.name);
MethodBeingVisited = ClassBeingVisited.Methods.Lookup("main");
node.classIdentifier.Accept(this);
node.mainParameterIdentifier.Accept(this);
node.statement.Accept(this);
}
public virtual void Visit(ClassDeclNode node)
{
ClassBeingVisited = Analysis.Environment.Classes.Lookup(node.className.name);
if (node.extendsClass != null)
node.extendsClass.Accept(this);
if (node.variableDeclList != null)
for (int x = 0; x < node.variableDeclList.variableDeclList.Count; x++)
node.variableDeclList.VariableDeclAtIndex(x).Accept(this);
if (node.methodDeclList != null)
for (int x = 0; x < node.methodDeclList.methodDeclList.Count; x++)
node.methodDeclList.MethodDeclAtIndex(x).Accept(this);
}
public MethodDefinition LookupMethodInClass(string methodName, ClassDefinition classDefinition)
{
ClassDefinition currentClass = classDefinition;
while (true)
{
if (currentClass.Methods.Contains(methodName))
return currentClass.Methods.Lookup(methodName);
if (currentClass.ClassType.BaseClassType == null)
{
//currentClass.Methods.Add(methodName).ReturnType = InvalidType.Instance;
throw new Exception("Undeclared identifier: " + methodName);
}
currentClass = Classes.Lookup(currentClass.ClassType.BaseClassType.Name);
}
}
public FieldDefinition LookupFieldInClass(string fieldName, ClassDefinition classDefinition)
{
ClassDefinition currentClass = classDefinition;
while (true)
{
if (currentClass.Fields.Contains(fieldName))
return currentClass.Fields.Lookup(fieldName);
if (currentClass.ClassType.BaseClassType == null)
{
currentClass.Fields.Add(fieldName).FieldType = InvalidType.Instance;
throw new Exception("Undeclared identifier: " + fieldName);
}
currentClass = Classes.Lookup(currentClass.ClassType.BaseClassType.Name);
}
}