private Node transform(JsNameRef x) {
Node n;
JsName name = x.getName();
boolean isExternal = name == null || !name.isObfuscatable();
if (x.getQualifier() != null) {
n = IR.getprop(transform(x.getQualifier()), transformNameAsString(x.getShortIdent(), x));
if (isExternal) {
this.externalProperties.add(x.getShortIdent());
}
} else {
n = transformName(x.getShortIdent(), x);
if (isExternal) {
this.externalVars.add(x.getShortIdent());
} else if (name.getEnclosing() == program.getScope()) {
this.globalVars.add(x.getShortIdent());
}
}
applyOriginalName(n, x);
return applySourceInfo(n, x);
}
@Override
protected void visit(JsScope scope) {
// Visit children.
for (JsScope child : scope.getChildren()) {
visit(child);
}
// Visit all my idents.
for (JsName name : scope.getAllNames()) {
if (!referenced.contains(name)) {
// Don't allocate idents for non-referenced names.
continue;
}
if (!name.isObfuscatable()) {
// Unobfuscatable names become themselves.
name.setShortIdent(name.getIdent());
continue;
}
String fullIdent = name.getIdent();
// Fixes package-info.java classes.
fullIdent = fullIdent.replace("-", "_");
if (!isLegal(fullIdent)) {
String checkIdent;
for (int i = 0; true; ++i) {
checkIdent = fullIdent + "_" + i;
if (isLegal(checkIdent)) {
break;
}
}
name.setShortIdent(checkIdent);
} else {
// set each name's short ident to its full ident
name.setShortIdent(fullIdent);
}
}
}