public static void AbortTranslation(ErrorCode err, message.MessageProducer mp)
{
string fatal = "FATAL ERROR: " + err.Message;
var args = Tuple.Create(0, 0, "", fatal);
Message msg = new Message(MessageType.SyntaxError, args);
mp.Send(msg);
Environment.Exit(-1);
}
public static void Flag(Token token, ErrorCode err, message.MessageProducer mp)
{
var args = Tuple.Create(token.LineNumber, token.Position, token.Lexeme, err.Message);
Message msg = new Message(MessageType.SyntaxError, args);
mp.Send(msg);
if (++errors > MAX_ERRORS)
{
AbortTranslation(ErrorCode.TOO_MANY_ERRORS, mp);
}
}
public void ParseList(Token token, ICodeNode parent, TokenType terminator, ErrorCode error)
{
var terminator_set = new HashSet<TokenType>(STMT_START_SET);
terminator_set.Add(terminator);
while(!token.IsEof && token.TokenType != terminator)
{
// parse a statement. The parent node adopts the statement node.
ICodeNode statement_node = Parse(token);
parent.Add(statement_node);
token = InternalScanner.CurrentToken;
// look for the semicolon between the statements.
if (token.TokenType == TokenType.SEMICOLON)
{
token = InternalScanner.GetNextToken();
}
else if (STMT_START_SET.Contains(token.TokenType))
{
ErrorHandler.Flag(token, ErrorCode.MISSING_SEMICOLON, this);
}
// Synchronize at the start of the next statement
// or at the terminator.
token = Parser.Synchronize(terminator_set, InternalScanner, this);
}
// look for the terminator token
if (token.TokenType == terminator)
{
token = InternalScanner.GetNextToken();
} else
{
ErrorHandler.Flag(token, error, this);
}
}