javassist.bytecode.Bytecode.addIconst()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.addIconst()方法的一些代码示例，展示了Bytecode.addIconst()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.addIconst()方法的具体详情如下：
包路径：javassist.bytecode.Bytecode
类名称：Bytecode
方法名：addIconst

Bytecode.addIconst介绍

[英]Appends ICONST or ICONST_<n>
[中]附加ICONST或ICONST\un>

代码示例

代码示例来源：origin: redisson/redisson

int compile(Bytecode code) throws CannotCompileException {
  code.addIconst(param);
  return 1;
}

代码示例来源：origin: org.javassist/javassist

@Override
int compile(Bytecode code) throws CannotCompileException {
  code.addIconst(param);
  return 1;
}

代码示例来源：origin: redisson/redisson

/**
 * Appends NEWARRAY for primitive types.
 *
 * @param atype     <code>T_BOOLEAN</code>, <code>T_CHAR</code>, ...
 * @see Opcode
 */
public void addNewarray(int atype, int length) {
  addIconst(length);
  addOpcode(NEWARRAY);
  add(atype);
}

代码示例来源：origin: redisson/redisson

int compileIfStatic(CtClass type, String name, Bytecode code,
          Javac drv) throws CannotCompileException
{
  code.addIconst(value);
  code.addPutstatic(Bytecode.THIS, name, Descriptor.of(type));
  return 1;   // stack size
}

代码示例来源：origin: redisson/redisson

/**
 * Appends MULTINEWARRAY.
 *
 * @param clazz             the array type.
 * @param dimensions        the sizes of all dimensions.
 * @return          the length of <code>dimensions</code>.
 */
public int addMultiNewarray(CtClass clazz, int[] dimensions) {
  int len = dimensions.length;
  for (int i = 0; i < len; ++i)
    addIconst(dimensions[i]);
  growStack(len);
  return addMultiNewarray(clazz, len);
}

代码示例来源：origin: redisson/redisson

protected final int compileStringParameter(Bytecode code)
  throws CannotCompileException
{
  int nparam = stringParams.length;
  code.addIconst(nparam);
  code.addAnewarray(javaLangString);
  for (int j = 0; j < nparam; ++j) {
    code.add(Bytecode.DUP);         // dup
    code.addIconst(j);                      // iconst_<j>
    code.addLdc(stringParams[j]);   // ldc ...
    code.add(Bytecode.AASTORE);             // aastore
  }
  return 4;
}

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: org.javassist/javassist

/**
 * Appends NEWARRAY for primitive types.
 *
 * @param atype     <code>T_BOOLEAN</code>, <code>T_CHAR</code>, ...
 * @see Opcode
 */
public void addNewarray(int atype, int length) {
  addIconst(length);
  addOpcode(NEWARRAY);
  add(atype);
}

代码示例来源：origin: org.javassist/javassist

@Override
int compileIfStatic(CtClass type, String name, Bytecode code,
          Javac drv) throws CannotCompileException
{
  code.addIconst(value);
  code.addPutstatic(Bytecode.THIS, name, Descriptor.of(type));
  return 1;   // 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

/**
 * Appends ICONST and ANEWARRAY.
 *
 * @param clazz     the elememnt type.
 * @param length    the array length.
 */
public void addAnewarray(CtClass clazz, int length) {
  addIconst(length);
  addOpcode(ANEWARRAY);
  addIndex(constPool.addClassInfo(clazz));
}

代码示例来源：origin: redisson/redisson

public void atIntConst(IntConst i) throws CompileError {
  arrayDim = 0;
  long value = i.get();
  int type = i.getType();
  if (type == IntConstant || type == CharConstant) {
    exprType = (type == IntConstant ? INT : CHAR);
    bytecode.addIconst((int)value);
  }
  else {
    exprType = LONG;
    bytecode.addLconst(value);
  }
}

代码示例来源：origin: org.javassist/javassist

protected final int compileStringParameter(Bytecode code)
  throws CannotCompileException
{
  int nparam = stringParams.length;
  code.addIconst(nparam);
  code.addAnewarray(javaLangString);
  for (int j = 0; j < nparam; ++j) {
    code.add(Bytecode.DUP);         // dup
    code.addIconst(j);                      // iconst_<j>
    code.addLdc(stringParams[j]);   // ldc ...
    code.add(Bytecode.AASTORE);             // aastore
  }
  return 4;
}

代码示例来源：origin: org.javassist/javassist

/**
 * Appends MULTINEWARRAY.
 *
 * @param clazz             the array type.
 * @param dimensions        the sizes of all dimensions.
 * @return          the length of <code>dimensions</code>.
 */
public int addMultiNewarray(CtClass clazz, int[] dimensions) {
  int len = dimensions.length;
  for (int i = 0; i < len; ++i)
    addIconst(dimensions[i]);
  growStack(len);
  return addMultiNewarray(clazz, len);
}

代码示例来源：origin: org.javassist/javassist

/**
 * Appends ICONST and ANEWARRAY.
 *
 * @param clazz     the elememnt type.
 * @param length    the array length.
 */
public void addAnewarray(CtClass clazz, int length) {
  addIconst(length);
  addOpcode(ANEWARRAY);
  addIndex(constPool.addClassInfo(clazz));
}

代码示例来源：origin: org.javassist/javassist

@Override
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: org.javassist/javassist

@Override
public void atIntConst(IntConst i) throws CompileError {
  arrayDim = 0;
  long value = i.get();
  int type = i.getType();
  if (type == IntConstant || type == CharConstant) {
    exprType = (type == IntConstant ? INT : CHAR);
    bytecode.addIconst((int)value);
  }
  else {
    exprType = LONG;
    bytecode.addLconst(value);
  }
}

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

protected void atAssignParamList(CtClass[] params, Bytecode code)
  throws CompileError
{
  if (params == null)
    return;
  int varNo = indexOfParam1();
  int n = params.length;
  for (int i = 0; i < n; ++i) {
    code.addOpcode(DUP);
    code.addIconst(i);
    code.addOpcode(AALOAD);
    compileUnwrapValue(params[i], code);
    code.addStore(varNo, params[i]);
    varNo += is2word(exprType, arrayDim) ? 2 : 1;
  }
}

代码示例来源：origin: redisson/redisson

protected void atPlusPlusCore(int dup_code, boolean doDup,
               int token, boolean isPost,
               Expr expr) throws CompileError
{
  int t = exprType;
  if (doDup && isPost)
    bytecode.addOpcode(dup_code);
  if (t == INT || t == BYTE || t == CHAR || t == SHORT) {
    bytecode.addIconst(1);
    bytecode.addOpcode(token == PLUSPLUS ? IADD : ISUB);
    exprType = INT;
  }
  else if (t == LONG) {
    bytecode.addLconst((long)1);
    bytecode.addOpcode(token == PLUSPLUS ? LADD : LSUB);
  }
  else if (t == FLOAT) {
    bytecode.addFconst(1.0f);
    bytecode.addOpcode(token == PLUSPLUS ? FADD : FSUB);
  }
  else if (t == DOUBLE) {
    bytecode.addDconst(1.0);
    bytecode.addOpcode(token == PLUSPLUS ? DADD : DSUB);
  }
  else
    badType(expr);
  if (doDup && !isPost)
    bytecode.addOpcode(dup_code);
}

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