// CallExpr
public virtual bool Walk(CallExpr node) { return true; }
public virtual void PostWalk(CallExpr node) { }
public override void PostWalk(CallExpr node) { }
// CallExpr
public override bool Walk(CallExpr node) { return false; }
private CallExpr ParseCall(Expr target)
{
Eat(TokenType.LeftParenthesis);
List<Arg> args = new List<Arg>();
if (!MaybeEat(TokenType.RightParenthesis))
{
do
{
args.Add(ParseArg());
} while (MaybeEat(TokenType.Comma));
Eat(TokenType.RightParenthesis);
}
var ret = new CallExpr(target, args.ToArray());
ret.SetLoc(_globalParent, target.StartIndex, GetEnd());
return ret;
}
private Expr ParseCallExpr()
{
Expr ret = ParseMemberExpr();
if (ret == null)
return null;
var start = ret.StartIndex;
while (MaybeEat(TokenType.LeftParenthesis))
{
List<Arg> args = new List<Arg>();
if (!MaybeEat(TokenType.RightParenthesis))
{
do
{
args.Add(ParseArg());
} while (MaybeEat(TokenType.Comma));
Eat(TokenType.RightParenthesis);
}
ret = new CallExpr(ret, args.ToArray());
ret.SetLoc(_globalParent, start, GetEnd());
}
return ret;
}
// CallExpr
public override bool Walk(CallExpr node)
{
node.Parent = _currentScope;
return base.Walk(node);
}