private void ParseMultExpr(ParseNode parent)
{
Token tok;
ParseNode n;
ParseNode node = parent.CreateNode(scanner.GetToken(TokenType.MultExpr), "MultExpr");
parent.Nodes.Add(node);
ParseAtom(node);
tok = scanner.LookAhead(TokenType.MULT, TokenType.DIV);
while (tok.Type == TokenType.MULT
|| tok.Type == TokenType.DIV)
{
tok = scanner.LookAhead(TokenType.MULT, TokenType.DIV);
switch (tok.Type)
{
case TokenType.MULT:
tok = scanner.Scan(TokenType.MULT);
n = node.CreateNode(tok, tok.ToString());
node.Token.UpdateRange(tok);
node.Nodes.Add(n);
if (tok.Type != TokenType.MULT)
{
tree.Errors.Add(new ParseError("Unexpected token '" + tok.Text.Replace("\n", "") + "' found. Expected " + TokenType.MULT.ToString(), 0x1001, 0, tok.StartPos, tok.StartPos, tok.Length));
return;
}
break;
case TokenType.DIV:
tok = scanner.Scan(TokenType.DIV);
n = node.CreateNode(tok, tok.ToString());
node.Token.UpdateRange(tok);
node.Nodes.Add(n);
if (tok.Type != TokenType.DIV)
{
tree.Errors.Add(new ParseError("Unexpected token '" + tok.Text.Replace("\n", "") + "' found. Expected " + TokenType.DIV.ToString(), 0x1001, 0, tok.StartPos, tok.StartPos, tok.Length));
return;
}
break;
default:
tree.Errors.Add(new ParseError("Unexpected token '" + tok.Text.Replace("\n", "") + "' found.", 0x0002, 0, tok.StartPos, tok.StartPos, tok.Length));
break;
}
ParseAtom(node);
tok = scanner.LookAhead(TokenType.MULT, TokenType.DIV);
}
parent.Token.UpdateRange(node.Token);
}