src/java.base/share/classes/jdk/internal/org/objectweb/asm/ClassWriter.java

*** 270,279 ****
--- 270,289 ----
       * The type of CONSTANT_InvokeDynamic constant pool items.
       */
      static final int INDY = 18;
  
      /**
+      * The type of CONSTANT_Module constant pool items.
+      */
+     static final int MODULE = 19;
+ 
+     /**
+      * The type of CONSTANT_Package constant pool items.
+      */
+     static final int PACKAGE = 20;
+ 
+     /**
       * The base value for all CONSTANT_MethodHandle constant pool items.
       * Internally, ASM store the 9 variations of CONSTANT_MethodHandle into 9
       * different items.
       */
      static final int HANDLE_BASE = 20;
*** 1159,1168 ****
--- 1169,1222 ----
      public int newClass(final String value) {
          return newClassItem(value).index;
      }
  
      /**
+      * Adds a module name to the constant pool.
+      *
+      * Does nothing if the constant pool already contains a similar item.
+      * <i>This method is intended for {@link Attribute} sub classes, and is
+      * normally not needed by class generators or adapters.</i>
+      *
+      * @param  value
+      *         the module name
+      * @return the index of a new or already existing module reference item.
+      */
+     public int newModule(String value) {
+         key2.set(MODULE, value, null, null);
+         Item result = get(key2);
+         if (result == null) {
+             pool.put12(MODULE, newUTF8(value));
+             result = new Item(index++, key2);
+             put(result);
+         }
+         return result.index;
+     }
+ 
+     /**
+      * Adds a package name to the constant pool.
+      *
+      * Does nothing if the constant pool already contains a similar item.
+      * <i>This method is intended for {@link Attribute} sub classes, and is
+      * normally not needed by class generators or adapters.</i>
+      *
+      * @param  value
+      *         the internal name of the package.
+      * @return the index of a new or already existing package reference item.
+      */
+     public int newPackage(String value) {
+         key2.set(PACKAGE, value, null, null);
+         Item result = get(key2);
+         if (result == null) {
+             pool.put12(PACKAGE, newUTF8(value));
+             result = new Item(index++, key2);
+             put(result);
+         }
+         return result.index;
+     }
+ 
+     /**
       * Adds a method type reference to the constant pool of the class being
       * build. Does nothing if the constant pool already contains a similar item.
       * <i>This method is intended for {@link Attribute} sub classes, and is
       * normally not needed by class generators or adapters.</i>
       *