public override AstNode Visit(FieldDeclaration node)
{
// Get the field.
FieldVariable field = (FieldVariable)node.GetVariable();
// Get the field type.
IChelaType fieldType = field.GetVariableType();
if(!fieldType.IsConstant() || field.IsExternal())
return node; // Ignore not constant fields.
// Get the initializer.
Expression initializer = node.GetDefaultValue();
if(initializer == null)
Error(node, "constants must have initializers.");
// Don't allow multiple definitions.
if(constants.ContainsKey(field))
Error(node, "multiples definitions of a constant.");
// Store the constant.
ConstantData data = new ConstantData(field, initializer);
this.constants.Add(field, data);
// Return the node.
return node;
}
public override AstNode Visit(FieldDeclaration node)
{
// Process attributes.
ProcessAttributes(node);
// Get the field type.
//FieldVariable field = (FieldVariable)node.GetVariable();
IChelaType fieldType = node.GetNodeType();
// Get the field initializer.
Expression initializer = node.GetDefaultValue();
if(initializer == null)
return node;
// Process the initializer.
initializer.Accept(this);
// Check the initializer type.
IChelaType initType = initializer.GetNodeType();
node.SetCoercionType(fieldType);
if(Coerce(node, fieldType, initType, initializer.GetNodeValue()) != fieldType)
Error(node, "incompatible field initialization expression.");
// Append it to the initialization list.
if(!fieldType.IsConstant())
{
if(currentContainer.IsNamespace())
{
Namespace space = (Namespace)currentContainer;
space.AddGlobalInitialization(node);
}
else
{
Structure building = (Structure)currentContainer;
building.AddFieldInitialization(node);
}
}
return node;
}