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

Bytecode.addLdc介绍

[英]Appends LDC or LDC_W.
[中]附加最不发达国家或最不发达国家。

代码示例

代码示例来源：origin: redisson/redisson

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

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

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

代码示例来源：origin: redisson/redisson

/**
 * Appends LDC or LDC_W.  The pushed item is a <code>String</code>
 * object.
 *
 * @param s         the character string pushed by LDC or LDC_W.
 */
public void addLdc(String s) {
  addLdc(constPool.addStringInfo(s));
}

代码示例来源：origin: redisson/redisson

public void atStringL(StringL s) throws CompileError {
  exprType = CLASS;
  arrayDim = 0;
  className = jvmJavaLangString;
  bytecode.addLdc(s.get());
}

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

/**
 * Appends LDC or LDC_W.  The pushed item is a <code>String</code>
 * object.
 *
 * @param s         the character string pushed by LDC or LDC_W.
 */
public void addLdc(String s) {
  addLdc(constPool.addStringInfo(s));
}

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

@Override
public void atStringL(StringL s) throws CompileError {
  exprType = CLASS;
  arrayDim = 0;
  className = jvmJavaLangString;
  bytecode.addLdc(s.get());
}

代码示例来源：origin: redisson/redisson

/**
 * Appends FCONST or FCONST_&lt;n&gt;
 *
 * @param f         the pushed float constant.
 */
public void addFconst(float f) {
  if (f == 0.0f || f == 1.0f || f == 2.0f)
    addOpcode(11 + (int)f);             // fconst_<n>
  else
    addLdc(constPool.addFloatInfo(f));
}

代码示例来源：origin: redisson/redisson

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

代码示例来源：origin: redisson/redisson

/**
   * Appends instructions for executing
   * <code>java.lang.System.println(<i>message</i>)</code>.
   *
   * @param message           printed message.
   */
  public void addPrintln(String message) {
    addGetstatic("java.lang.System", "err", "Ljava/io/PrintStream;");
    addLdc(message);
    addInvokevirtual("java.io.PrintStream",
             "println", "(Ljava/lang/String;)V");
  }
}

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: org.javassist/javassist

/**
 * Appends FCONST or FCONST_&lt;n&gt;
 *
 * @param f         the pushed float constant.
 */
public void addFconst(float f) {
  if (f == 0.0f || f == 1.0f || f == 2.0f)
    addOpcode(11 + (int)f);             // fconst_<n>
  else
    addLdc(constPool.addFloatInfo(f));
}

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

@Override
int compileIfStatic(CtClass type, String name, Bytecode code,
          Javac drv) throws CannotCompileException
{
  code.addLdc(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.addLdc(value);
  code.addPutfield(Bytecode.THIS, name, Descriptor.of(type));
  return 2;   // stack size
}

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

/**
   * Appends instructions for executing
   * <code>java.lang.System.println(<i>message</i>)</code>.
   *
   * @param message           printed message.
   */
  public void addPrintln(String message) {
    addGetstatic("java.lang.System", "err", "Ljava/io/PrintStream;");
    addLdc(message);
    addInvokevirtual("java.io.PrintStream",
             "println", "(Ljava/lang/String;)V");
  }
}

代码示例来源：origin: redisson/redisson

protected void atClassObject2(String cname) throws CompileError {
  if (getMajorVersion() < ClassFile.JAVA_5)
    super.atClassObject2(cname);
  else
    bytecode.addLdc(bytecode.getConstPool().addClassInfo(cname));
}

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.addLdc(value);
  code.addPutfield(Bytecode.THIS, name, Descriptor.of(type));
  return 2;   // stack size
}

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

@Override
protected void atClassObject2(String cname) throws CompileError {
  if (getMajorVersion() < ClassFile.JAVA_5)
    super.atClassObject2(cname);
  else
    bytecode.addLdc(bytecode.getConstPool().addClassInfo(cname));
}

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: 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: redisson/redisson

/**
 * Appends ICONST or ICONST_&lt;n&gt;
 *
 * @param n         the pushed integer constant.
 */
public void addIconst(int n) {
  if (n < 6 && -2 < n)
    addOpcode(3 + n);           // iconst_<i>   -1..5
  else if (n <= 127 && -128 <= n) {
    addOpcode(16);              // bipush
    add(n);
  }
  else if (n <= 32767 && -32768 <= n) {
    addOpcode(17);              // sipush
    add(n >> 8);
    add(n);
  }
  else
    addLdc(constPool.addIntegerInfo(n));
}

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