public virtual void PostWalk(IndexExpr node) { }
// IndexExpr
public virtual bool Walk(IndexExpr node) { return true; }
public override void PostWalk(IndexExpr node) { }
// IndexExpr
public override bool Walk(IndexExpr node) { return false; }
private Expr ParseIndexExpr(Expr target)
{
Eat(TokenType.LeftBracket);
List<Expr> indexes = new List<Expr>();
do
{
indexes.Add(ParseExpr());
} while (MaybeEat(TokenType.Comma));
var ret = new IndexExpr(target, indexes.ToArray());
ret.SetLoc(_globalParent, ret.StartIndex, GetEnd());
Eat(TokenType.RightBracket);
return ret;
}
// IndexExpr
public override bool Walk(IndexExpr node)
{
node.Parent = _currentScope;
return base.Walk(node);
}