private void ParseField(ParseNode parent) // NonTerminalSymbol: Field
{
Token tok;
ParseNode n;
ParseNode node = parent.CreateNode(_scanner.GetToken(TokenType.Field), "Field");
parent.Nodes.Add(node);
// Concat Rule
tok = _scanner.LookAhead(TokenType.SEMICOLONNAME); // Option Rule
if (tok.Type == TokenType.SEMICOLONNAME)
{
tok = _scanner.Scan(TokenType.SEMICOLONNAME); // Terminal Rule: SEMICOLONNAME
n = node.CreateNode(tok, tok.ToString());
node.Token.UpdateRange(tok);
node.Nodes.Add(n);
if (tok.Type != TokenType.SEMICOLONNAME)
{
tree.Errors.Add(
new ParseError("Unexpected token '" + tok.Text.Replace("\n", "") + "' found. Expected " + TokenType.SEMICOLONNAME.ToString(), 0x1001,
tok));
return;
}
}
// Concat Rule
ParseExpression(node); // NonTerminal Rule: Expression
// Concat Rule
tok = _scanner.LookAhead(TokenType.ASNAME); // Option Rule
if (tok.Type == TokenType.ASNAME)
{
tok = _scanner.Scan(TokenType.ASNAME); // Terminal Rule: ASNAME
n = node.CreateNode(tok, tok.ToString());
node.Token.UpdateRange(tok);
node.Nodes.Add(n);
if (tok.Type != TokenType.ASNAME)
{
tree.Errors.Add(new ParseError("Unexpected token '" + tok.Text.Replace("\n", "") + "' found. Expected " + TokenType.ASNAME.ToString(),
0x1001, tok));
return;
}
}
parent.Token.UpdateRange(node.Token);
} // NonTerminalSymbol: Field