/**
* Traverses a parse tree recursively with a scope, starting with the given root. This should only
* be used in the global scope. Otherwise, use {@link #traverseAtScope}.
*/
void traverseWithScope(Node root, Scope s) {
Preconditions.checkState(s.isGlobal());
try {
inputId = null;
sourceName = "";
curNode = root;
pushScope(s);
traverseBranch(root, null);
popScope();
} catch (Exception unexpectedException) {
throwUnexpectedException(unexpectedException);
}
}
/** Traverses a parse tree recursively. */
public void traverse(Node root) {
try {
inputId = NodeUtil.getInputId(root);
sourceName = "";
curNode = root;
pushScope(root);
// null parent ensures that the shallow callbacks will traverse root
traverseBranch(root, null);
popScope();
} catch (Exception unexpectedException) {
throwUnexpectedException(unexpectedException);
}
}
void traverseRoots(Node externs, Node root) {
try {
Node scopeRoot = externs.getParent();
Preconditions.checkState(scopeRoot != null);
inputId = NodeUtil.getInputId(scopeRoot);
sourceName = "";
curNode = scopeRoot;
pushScope(scopeRoot);
traverseBranch(externs, scopeRoot);
Preconditions.checkState(root.getParent() == scopeRoot);
traverseBranch(root, scopeRoot);
popScope();
} catch (Exception unexpectedException) {
throwUnexpectedException(unexpectedException);
}
}