public bool VisitNode(VariableDeclaration node)
{
ASTNode nodeType;
if (node.VarType.Type == ASTNodeType.Struct || node.VarType.Type == ASTNodeType.Enumeration)
{
// Check type, if its a struct or enum, visit that first.
node.VarType.Outer = node.Outer;
Success = Success && node.VarType.AcceptVisitor(this);
// Add the type to the list of types in the class.
NodeUtils.GetContainingClass(node).TypeDeclarations.Add(node.VarType);
nodeType = node.VarType;
}
else if (!Symbols.TryGetSymbol(node.VarType.Name, out nodeType, NodeUtils.GetOuterClassScope(node)))
{
return Error("No type named '" + node.VarType.Name + "' exists in this scope!", node.VarType.StartPos, node.VarType.EndPos);
}
else if (!typeof(VariableType).IsAssignableFrom(nodeType.GetType()))
{
return Error("Invalid variable type, must be a class/struct/enum/primitive.", node.VarType.StartPos, node.VarType.EndPos);
}
if (node.Outer.Type == ASTNodeType.Class)
{
int index = NodeUtils.GetContainingClass(node).VariableDeclarations.IndexOf(node);
foreach (VariableIdentifier ident in node.Variables)
{
if (Symbols.SymbolExistsInCurrentScope(ident.Name))
return Error("A member named '" + ident.Name + "' already exists in this class!", ident.StartPos, ident.EndPos);
Variable variable = new Variable(node.Specifiers, ident, nodeType as VariableType, ident.StartPos, ident.EndPos);
variable.Outer = node.Outer;
Symbols.AddSymbol(variable.Name, variable);
NodeUtils.GetContainingClass(node).VariableDeclarations.Insert(index++, variable);
}
NodeUtils.GetContainingClass(node).VariableDeclarations.Remove(node);
}
else if (node.Outer.Type == ASTNodeType.Struct)
{
int index = (node.Outer as Struct).Members.IndexOf(node);
foreach (VariableIdentifier ident in node.Variables)
{
if (Symbols.SymbolExistsInCurrentScope(ident.Name))
return Error("A member named '" + ident.Name + "' already exists in this struct!", ident.StartPos, ident.EndPos);
Variable variable = new Variable(node.Specifiers, ident, nodeType as VariableType, ident.StartPos, ident.EndPos);
variable.Outer = node.Outer;
Symbols.AddSymbol(variable.Name, variable);
(node.Outer as Struct).Members.Insert(index++, variable);
}
(node.Outer as Struct).Members.Remove(node);
}
return Success;
}
public bool VisitNode(VariableDeclaration node)
{
return true;
}