/// <summary>
/// new_tuple_block = "(" init_expr_block ")"
/// </summary>
private NewTupleNode parseNewTupleBlock()
{
if (!check(LexemType.ParenOpen))
return null;
var node = new NewTupleNode();
node.Expressions = parseInitExprBlock().ToList();
if(node.Expressions.Count == 0)
return null;
ensure(LexemType.ParenClose, ParserMessages.SymbolExpected, ')');
return node;
}
/// <summary>
/// new_tuple_line = "(" init_expr_line ")"
/// </summary>
private NewTupleNode parseNewTupleLine()
{
if (!check(LexemType.ParenOpen))
return null;
var node = new NewTupleNode();
node.Expressions = parseInitExprLine().ToList();
if (node.Expressions.Count == 0)
error(ParserMessages.TupleItem);
ensure(LexemType.ParenClose, ParserMessages.SymbolExpected, ")");
return node;
}
/// <summary>
/// new_tuple_line = "(" init_expr_line ")"
/// </summary>
private NewTupleNode parseNewTupleLine()
{
// todo: revise grammar, possibly eliminating the unit literal
if(check(LexemType.Unit))
error(ParserMessages.TupleItem);
if (!check(LexemType.ParenOpen))
return null;
var node = new NewTupleNode();
node.Expressions = parseInitExprLine().ToList();
if (node.Expressions.Count == 0)
error(ParserMessages.TupleItem);
ensure(LexemType.ParenClose, ParserMessages.SymbolExpected, ")");
return node;
}
