1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package jdk.experimental.bytecode;
  25 
  26 import java.util.function.Consumer;
  27 import java.util.function.ToIntBiFunction;
  28 
  29 /**
  30  * An interface for building and tracking constant pools.
  31  *
  32  * @param <S> the type of the symbol representation
  33  * @param <T> the type of type descriptors representation
  34  * @param <E> the type of pool entries
  35  */
  36 public interface PoolHelper<S, T, E> {
  37     int putClass(S symbol);
  38 
  39     int putFieldRef(S owner, CharSequence name, T type);
  40 
  41     int putMethodRef(S owner, CharSequence name, T type, boolean isInterface);
  42 
  43     int putUtf8(CharSequence s);
  44 
  45     int putInt(int i);
  46 
  47     int putFloat(float f);
  48 
  49     int putLong(long l);
  50 
  51     int putDouble(double d);
  52 
  53     int putString(String s);
  54 
  55     int putType(T t);
  56 
  57     int putMethodType(T t);
  58 
  59     int putHandle(int refKind, S owner, CharSequence name, T type);
  60 
  61     int putInvokeDynamic(CharSequence invokedName, T invokedType, S bsmClass, CharSequence bsmName, T bsmType, Consumer<StaticArgListBuilder<S, T, E>> staticArgs);
  62 
  63     int putDynamicConstant(CharSequence constName, T constType, S bsmClass, CharSequence bsmName, T bsmType, Consumer<StaticArgListBuilder<S, T, E>> staticArgs);
  64 
  65     int size();
  66 
  67     E entries();
  68 
  69     interface StaticArgListBuilder<S, T, E> {
  70         StaticArgListBuilder<S, T, E> add(int i);
  71         StaticArgListBuilder<S, T, E> add(float f);
  72         StaticArgListBuilder<S, T, E> add(long l);
  73         StaticArgListBuilder<S, T, E> add(double d);
  74         StaticArgListBuilder<S, T, E> add(String s);
  75         StaticArgListBuilder<S, T, E> add(int refKind, S owner, CharSequence name, T type);
  76         <Z> StaticArgListBuilder<S, T, E> add(Z z, ToIntBiFunction<PoolHelper<S, T, E>, Z> poolFunc);
  77         StaticArgListBuilder<S, T, E> add(CharSequence constName, T constType, S bsmClass, CharSequence bsmName, T bsmType, Consumer<StaticArgListBuilder<S, T, E>> staticArgList);
  78     }
  79 }