/// <summary>
/// Adds a type to the type list
/// </summary>
public static Int32 AddType(TypeInfo type)
{
Types.Add(type);
return Types.Count - 1;
}
/// <summary>
/// Parse a type
/// Syntax:
/// struct type_name
/// {
/// datatype identifier;
/// ...
/// }
/// </summary>
public void ParseTypeDeclaration()
{
//Ignore the word TYPE
NextToken();
if (CurrentToken.Type != TokenType.Identifier || !Database.CheckValidName(CurrentToken.Value))
Error("Invalid Type Name", CurrentToken.LineStart);
//Set type info
TypeInfo type = new TypeInfo();
type.Name = CurrentToken.Value;
//Keep a record of all the members to ensure none are repeated
List<String> memberNames = new List<String>();
NextToken();
if (CurrentToken.Value != "{")
Error("Expected member list { ... }", CurrentToken.LineStart);
//NEW and DELETE of the type are functions, if they are incoming, skip and parse later
while (CheckFunctionIncoming())
{
SkipBlock();
NextToken();
}
NextToken();
//Get member declarations
do
{
VariableInfo var = new VariableInfo();
ParseDeclaration(ref var);
//Check if valid member
if (memberNames.Contains(var.Name))
Error("Type " + type.Name + " already contains a member named " + var.Name,
CurrentToken.LineStart);
memberNames.Add(var.Name);
//If the next token isn't a semicolon we have an error
if (CurrentToken.Value != ";")
{
Error("Expected semicolon", CurrentToken.LineStart);
}
NextToken();
//Skip any function
while (CheckFunctionIncoming())
{
SkipBlock();
NextToken();
}
//Add new member to the members list
type.Members.Add(var);
} while (CurrentToken.Value != "}");
//Add the new type to the database
Database.AddType(type);
NextToken();
}
/// <summary>
/// Changes a type in the type list
/// </summary>
public static void ChangeType(Int32 typeIndex, TypeInfo type)
{
Types[typeIndex] = type;
}