/** {@inheritDoc} */
@Override
public void toString(StringBuilder out, int indent) {
if (indent < 0) {
out.append(fun.label);
if (args.size() == 0) return;
out.append('[');
for (int i = 0; i < args.size(); i++) {
if (i > 0) out.append(", ");
args.get(i).toString(out, -1);
}
out.append(']');
} else {
for (int i = 0; i < indent; i++) {
out.append(' ');
}
out.append("call ")
.append(fun)
.append(" at position <")
.append(fun.pos)
.append("> with type=")
.append(type)
.append('\n');
for (Expr a : args) {
a.toString(out, indent + 2);
}
}
}
/** {@inheritDoc} */
@Override
public List<? extends Browsable> getSubnodes() {
if (args.size() == 0) {
Expr b = fun.getBody();
return Util.asList(make(b.pos(), b.span(), b.getHTML(), b.getSubnodes()));
}
Pos p = pos;
if (p == Pos.UNKNOWN) p = span();
Browsable f =
make(p, p, (fun.isPred ? "<b>pred</b> " : "<b>fun</b> ") + fun.label, fun.getSubnodes());
Browsable a =
make(
span(),
span(),
"<b>" + args.size() + " argument" + (args.size() == 1 ? "</b>" : "s</b>"),
args);
return Util.asList(f, a);
}
/**
* Returns true if we can determine the two expressions are equivalent; may sometimes return
* false.
*/
@Override
public boolean isSame(Expr obj) {
while (obj instanceof ExprUnary && ((ExprUnary) obj).op == ExprUnary.Op.NOOP)
obj = ((ExprUnary) obj).sub;
if (obj == this) return true;
if (!(obj instanceof ExprCall)) return false;
ExprCall x = (ExprCall) obj;
if (fun != x.fun || args.size() != x.args.size()) return false;
for (int i = 0; i < args.size(); i++) if (!args.get(i).isSame(x.args.get(i))) return false;
return true;
}