javassist.bytecode.Bytecode.addAload()方法的使用及代码示例

x33g5p2x  于2022-01-16 转载在 其他  
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本文整理了Java中javassist.bytecode.Bytecode.addAload()方法的一些代码示例，展示了Bytecode.addAload()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Bytecode.addAload()方法的具体详情如下：
包路径：javassist.bytecode.Bytecode
类名称：Bytecode
方法名：addAload

Bytecode.addAload介绍

[英]Appends ALOAD or (WIDE) ALOAD_<n>
[中]附加ALOAD或（宽）ALOAD

代码示例

代码示例来源：origin: redisson/redisson

protected boolean doit(Bytecode b, int opcode) {
    b.addAload(var);
    b.addOpcode(MONITOREXIT);
    return false;
  }
};

代码示例来源：origin: redisson/redisson

protected void insertDefaultSuperCall() throws CompileError {
  bytecode.addAload(0);
  bytecode.addInvokespecial(MemberResolver.getSuperclass(thisClass),
               "<init>", "()V");
}

代码示例来源：origin: redisson/redisson

int compile(CtClass type, String name, Bytecode code,
      CtClass[] parameters, Javac drv)
  throws CannotCompileException
{
  code.addAload(0);
  code.addFconst(value);
  code.addPutfield(Bytecode.THIS, name, Descriptor.of(type));
  return 3;   // stack size
}

代码示例来源：origin: redisson/redisson

int compile(CtClass type, String name, Bytecode code,
      CtClass[] parameters, Javac drv)
  throws CannotCompileException
{
  code.addAload(0);
  code.addLdc2w(value);
  code.addPutfield(Bytecode.THIS, name, Descriptor.of(type));
  return 3;   // stack size
}

代码示例来源：origin: redisson/redisson

int compile(CtClass type, String name, Bytecode code,
      CtClass[] parameters, Javac drv)
  throws CannotCompileException
{
  code.addAload(0);
  code.addLdc(value);
  code.addPutfield(Bytecode.THIS, name, Descriptor.of(type));
  return 2;   // stack size
}

代码示例来源：origin: redisson/redisson

int compile(CtClass type, String name, Bytecode code,
      CtClass[] parameters, Javac drv)
  throws CannotCompileException
{
  code.addAload(0);
  code.addIconst(value);
  code.addPutfield(Bytecode.THIS, name, Descriptor.of(type));
  return 2;   // stack size
}

代码示例来源：origin: redisson/redisson

int compile(CtClass type, String name, Bytecode code,
      CtClass[] parameters, Javac drv)
  throws CannotCompileException
{
  code.addAload(0);
  code.addLdc2w(value);
  code.addPutfield(Bytecode.THIS, name, Descriptor.of(type));
  return 3;   // stack size
}

代码示例来源：origin: redisson/redisson

int compile(CtClass type, String name, Bytecode code,
      CtClass[] parameters, Javac drv)
  throws CannotCompileException
{
  code.addAload(0);
  addNewarray(code);
  code.addPutfield(Bytecode.THIS, name, Descriptor.of(type));
  return 2;   // stack size
}

代码示例来源：origin: redisson/redisson

int compile(CtClass type, String name, Bytecode code,
      CtClass[] parameters, Javac drv)
  throws CannotCompileException
{
  code.addAload(0);
  int s = code.addMultiNewarray(type, dim);
  code.addPutfield(Bytecode.THIS, name, Descriptor.of(type));
  return s + 1;       // stack size
}

代码示例来源：origin: redisson/redisson

/**
 * @param thisMethod        might be null.
 */
private static void callFind2Methods(Bytecode code, String superMethod, String thisMethod,
                   int index, String desc, int classVar, int arrayVar) {
  String findClass = RuntimeSupport.class.getName();
  String findDesc
    = "(Ljava/lang/Class;Ljava/lang/String;Ljava/lang/String;ILjava/lang/String;[Ljava/lang/reflect/Method;)V";
  code.addAload(classVar);
  code.addLdc(superMethod);
  if (thisMethod == null)
    code.addOpcode(Opcode.ACONST_NULL);
  else
    code.addLdc(thisMethod);
  code.addIconst(index);
  code.addLdc(desc);
  code.addAload(arrayVar);
  code.addInvokestatic(findClass, "find2Methods", findDesc);
}

代码示例来源：origin: redisson/redisson

private static int addLoad(Bytecode code, int n, Class type) {
  if (type.isPrimitive()) {
    if (type == Long.TYPE) {
      code.addLload(n);
      return 2;
    }
    else if (type == Float.TYPE)
      code.addFload(n);
    else if (type == Double.TYPE) {
      code.addDload(n);
      return 2;
    }
    else
      code.addIload(n);
  }
  else
    code.addAload(n);
  return 1;
}

代码示例来源：origin: redisson/redisson

int compile(CtClass type, String name, Bytecode code,
      CtClass[] parameters, Javac drv)
  throws CannotCompileException
{
  if (parameters != null && nthParam < parameters.length) {
    code.addAload(0);
    int nth = nthParamToLocal(nthParam, parameters, false);
    int s = code.addLoad(nth, type) + 1;
    code.addPutfield(Bytecode.THIS, name, Descriptor.of(type));
    return s;       // stack size
  }
  else
    return 0;       // do not initialize
}

代码示例来源：origin: redisson/redisson

private static void addSetter(String classname, ClassFile cf, ConstPool cp)
  throws CannotCompileException
{
  MethodInfo minfo = new MethodInfo(cp, HANDLER_SETTER,
                   HANDLER_SETTER_TYPE);
  minfo.setAccessFlags(AccessFlag.PUBLIC);
  Bytecode code = new Bytecode(cp, 2, 2);
  code.addAload(0);
  code.addAload(1);
  code.addPutfield(classname, HANDLER, HANDLER_TYPE);
  code.addOpcode(Bytecode.RETURN);
  minfo.setCodeAttribute(code.toCodeAttribute());
  cf.addMethod(minfo);
}

代码示例来源：origin: redisson/redisson

private MethodInfo makeDelegator(Method meth, String desc,
      ConstPool cp, Class declClass, String delegatorName) {
  MethodInfo delegator = new MethodInfo(cp, delegatorName, desc);
  delegator.setAccessFlags(Modifier.FINAL | Modifier.PUBLIC
      | (meth.getModifiers() & ~(Modifier.PRIVATE
                    | Modifier.PROTECTED
                    | Modifier.ABSTRACT
                    | Modifier.NATIVE
                    | Modifier.SYNCHRONIZED)));
  setThrows(delegator, cp, meth);
  Bytecode code = new Bytecode(cp, 0, 0);
  code.addAload(0);
  int s = addLoadParameters(code, meth.getParameterTypes(), 1);
  Class targetClass = invokespecialTarget(declClass);
  code.addInvokespecial(targetClass.isInterface(), cp.addClassInfo(targetClass.getName()),
             meth.getName(), desc);
  addReturn(code, meth.getReturnType());
  code.setMaxLocals(++s);
  delegator.setCodeAttribute(code.toCodeAttribute());
  return delegator;
}

代码示例来源：origin: redisson/redisson

private static void makeParameterList(Bytecode code, Class[] params) {
  int regno = 1;
  int n = params.length;
  code.addIconst(n);
  code.addAnewarray("java/lang/Object");
  for (int i = 0; i < n; i++) {
    code.addOpcode(Opcode.DUP);
    code.addIconst(i);
    Class type = params[i];
    if (type.isPrimitive())
      regno = makeWrapper(code, type, regno);
    else {
      code.addAload(regno);
      regno++;
    }
    code.addOpcode(Opcode.AASTORE);
  }
}

代码示例来源：origin: redisson/redisson

int compile(CtClass type, String name, Bytecode code,
      CtClass[] parameters, Javac drv)
  throws CannotCompileException
{
  try {
    code.addAload(0);
    compileExpr(drv);
    code.addPutfield(Bytecode.THIS, name, Descriptor.of(type));
    return code.getMaxStack();
  }
  catch (CompileError e) {
    throw new CannotCompileException(e);
  }
}

代码示例来源：origin: redisson/redisson

protected void makeCode(CtClass[] paramTypes, ConstPool cp) {
  Bytecode save = new Bytecode(cp, 0, 0);
  Bytecode load = new Bytecode(cp, 0, 0);
  int var = maxLocals;
  int len = (paramTypes == null) ? 0 : paramTypes.length;
  load.addAload(var);
  makeCode2(save, load, 0, len, paramTypes, var + 1);
  save.addAstore(var);
  saveCode = save.get();
  loadCode = load.get();
}

代码示例来源：origin: redisson/redisson

private static void addGetter(String classname, ClassFile cf, ConstPool cp)
  throws CannotCompileException
{
  MethodInfo minfo = new MethodInfo(cp, HANDLER_GETTER,
                   HANDLER_GETTER_TYPE);
  minfo.setAccessFlags(AccessFlag.PUBLIC);
  Bytecode code = new Bytecode(cp, 1, 1);
  code.addAload(0);
  code.addGetfield(classname, HANDLER, HANDLER_TYPE);
  code.addOpcode(Bytecode.ARETURN);
  minfo.setCodeAttribute(code.toCodeAttribute());
  cf.addMethod(minfo);
}

代码示例来源：origin: redisson/redisson

public void doit(JvstCodeGen gen, Bytecode bytecode, ASTList args)
  throws CompileError
{
  if (args != null && !gen.isParamListName(args))
    throw new CompileError(Javac.proceedName
        + "() cannot take a parameter for field reading");
  int stack;
  if (isStatic(opcode))
    stack = 0;
  else {
    stack = -1;
    bytecode.addAload(targetVar);
  }
  if (fieldType instanceof CtPrimitiveType)
    stack += ((CtPrimitiveType)fieldType).getDataSize();
  else
    ++stack;
  bytecode.add(opcode);
  bytecode.addIndex(index);
  bytecode.growStack(stack);
  gen.setType(fieldType);
}

代码示例来源：origin: redisson/redisson

private static MethodInfo makeWriteReplace(ConstPool cp) {
    MethodInfo minfo = new MethodInfo(cp, "writeReplace", "()Ljava/lang/Object;");
    String[] list = new String[1];
    list[0] = "java.io.ObjectStreamException";
    ExceptionsAttribute ea = new ExceptionsAttribute(cp);
    ea.setExceptions(list);
    minfo.setExceptionsAttribute(ea);
    Bytecode code = new Bytecode(cp, 0, 1);
    code.addAload(0);
    code.addInvokestatic("javassist.util.proxy.RuntimeSupport",
               "makeSerializedProxy",
               "(Ljava/lang/Object;)Ljavassist/util/proxy/SerializedProxy;");
    code.addOpcode(Opcode.ARETURN);
    minfo.setCodeAttribute(code.toCodeAttribute());
    return minfo;
  }
}

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