import com.google.javascript.jscomp.CodingConvention.ObjectLiteralCast; //导入依赖的package包/类
private EnvTypePair analyzeObjLitCastFwd(ObjectLiteralCast cast, Node call, TypeEnv inEnv) {
  if (cast.objectNode == null) {
    warnings.add(JSError.make(call, ClosureCodingConvention.OBJECTLIT_EXPECTED));
    return new EnvTypePair(inEnv, TOP_OBJECT);
  }
  EnvTypePair pair = analyzeExprFwd(cast.objectNode, inEnv);
  if (!pair.type.isPrototypeObject()) {
    warnings.add(JSError.make(call, REFLECT_CONSTRUCTOR_EXPECTED));
  }
  return new EnvTypePair(pair.env, TOP_OBJECT);
}
 

import com.google.javascript.jscomp.CodingConvention.ObjectLiteralCast; //导入依赖的package包/类
/**
 * If the object literal is lended, or assigned to a prototype, find a better
 * type for it than the object-literal type.
 */
private JSType mayAdjustObjLitType(
    Node objLit, JSDocInfo jsdoc, TypeEnv env, JSType originalType) {
  Node parent = objLit.getParent();
  QualifiedName classqname = null;
  if (parent.isAssign() && NodeUtil.isPrototypeAssignment(parent.getFirstChild())) {
    classqname = QualifiedName.fromNode(parent.getFirstFirstChild());
  } else if (jsdoc != null && jsdoc.getLendsName() != null) {
    QualifiedName lendsQname = QualifiedName.fromQualifiedString(jsdoc.getLendsName());
    if (lendsQname.getRightmostName().equals("prototype")) {
      classqname = lendsQname.getAllButRightmost();
    }
  } else if (parent.isCall() && this.convention.getObjectLiteralCast(parent) != null) {
    ObjectLiteralCast cast = this.convention.getObjectLiteralCast(parent);
    if (cast.typeName != null) {
      classqname = QualifiedName.fromQualifiedString(cast.typeName);
    }
  }
  if (classqname != null) {
    JSType classType = envGetTypeOfQname(env, classqname);
    if (classType != null) {
      FunctionType clazz = classType.getFunTypeIfSingletonObj();
      JSType instance = clazz == null ? null : clazz.getInstanceTypeOfCtor();
      if (instance != null) {
        return instance.getPrototypeObject();
      }
    }
  }
  return originalType;
}