@Override
TypedScope getGlobalScope() {
TypedScope result = this;
while (result.getParent() != null) {
result = result.getParent();
}
return result;
}
/**
* Declares a variable.
*
* @param n The node corresponding to the variable name.
*/
private void declareVar(Node n) {
Preconditions.checkState(n.isName());
CompilerInput input = compiler.getInput(inputId);
String name = n.getString();
if (scope.isDeclared(name, false) || (scope.isLocal() && name.equals(ARGUMENTS))) {
redeclarationHandler.onRedeclaration(scope, name, n, input);
} else {
if (isTyped) {
((TypedScope) scope).declare(name, n, null, input);
} else {
scope.declare(name, n, input);
}
}
}
@Override
@SuppressWarnings("unchecked")
// The cast to T is OK because we cannot mix typed and untyped scopes in the same chain.
public <T extends Scope> T createScope(Node n, T parent) {
inputId = null;
if (parent == null) {
scope = isTyped ? TypedScope.createGlobalScope(n) : Scope.createGlobalScope(n);
} else {
scope = isTyped ? new TypedScope((TypedScope) parent, n) : new Scope(parent, n);
}
scanRoot(n);
inputId = null;
Scope returnedScope = scope;
scope = null;
return (T) returnedScope;
}