/// <summary>
/// Creates an appropriate setter for GetIndexNode.
/// From: expr[a]
/// To: expr[a] = ...
/// </summary>
private SetIndexNode SetterOf(GetIndexNode node)
{
return(new SetIndexNode
{
Expression = node.Expression,
Index = node.Index
});
}
/// <summary>
/// accessor_idx = "[" line_expr "]"
/// </summary>
private GetIndexNode parseAccessorIdx()
{
if (!check(LexemType.SquareOpen))
return null;
var node = new GetIndexNode();
node.Index = ensure(parseLineExpr, ParserMessages.IndexExpressionExpected);
ensure(LexemType.SquareClose, ParserMessages.SymbolExpected, ']');
return node;
}
