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MethodVisitor.visitInsn
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visitInsn
method
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org.objectweb.asm.MethodVisitor

Best Java code snippets using org.objectweb.asm.MethodVisitor.visitInsn (Showing top 20 results out of 2,025)

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  • MethodVisitor.visitEnd
  • MethodVisitor.visitMaxs
  • MethodVisitor.visitCode
  • MethodVisitor.visitVarInsn
  • MethodVisitor.visitMethodInsn
origin: Meituan-Dianping/Robust

private static void createFloatObj(MethodVisitor mv, int argsPostion) {
  mv.visitTypeInsn(Opcodes.NEW, "java/lang/Float");
  mv.visitInsn(Opcodes.DUP);
  mv.visitVarInsn(Opcodes.FLOAD, argsPostion);
  mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Float", "<init>", "(F)V");
  mv.visitInsn(Opcodes.AASTORE);
}
origin: CalebFenton/simplify

private void visitMethodStub(MethodVisitor mv) {
  mv.visitTypeInsn(Opcodes.NEW, "java/lang/RuntimeException");
  mv.visitInsn(Opcodes.DUP);
  mv.visitLdcInsn("Stub!");
  String owner = "java/lang/RuntimeException";
  String name = "<init>";
  String desc = "(Ljava/lang/String;)V";
  mv.visitMethodInsn(Opcodes.INVOKESPECIAL, owner, name, desc, false);
  mv.visitInsn(Opcodes.ATHROW);
}
origin: JCTools/JCTools

private static void loadLocalIndexAndApplyDelta(MethodVisitor methodVisitor, int localVariableIndex, long delta) {
  methodVisitor.visitVarInsn(Opcodes.LLOAD, localVariableIndex);
  if (delta != 0) {
    methodVisitor.visitLdcInsn(delta);
    methodVisitor.visitInsn(Opcodes.LADD);
  }
}
origin: pxb1988/dex2jar

private void genSwitchMethod(ClassVisitor cw, String typeName, String methodName, CB callback) {
  MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, methodName, "()Ljava/lang/String;", null, null);
  mv.visitCode();
  mv.visitVarInsn(ALOAD, 0);
  mv.visitFieldInsn(GETFIELD, typeName, "idx", "I");
  Label def = new Label();
    mv.visitLabel(e.getValue());
    mv.visitLdcInsn(e.getKey());
    mv.visitInsn(ARETURN);
  mv.visitInsn(DUP);
  mv.visitLdcInsn("invalid idx");
  mv.visitMethodInsn(INVOKESPECIAL, "java/lang/RuntimeException", "<init>", "(Ljava/lang/String;)V");
  mv.visitInsn(ATHROW);
  mv.visitMaxs(-1, -1);
  mv.visitEnd();
origin: scouter-project/scouter

@Override
public void visitCode() {
  mv.visitVarInsn(Opcodes.ALOAD, 1);
  mv.visitVarInsn(Opcodes.ALOAD, 2);
  if (httpservlet) {
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACEMAIN, START_SERVICE, START_SIGNATURE, false);
  } else {
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACEMAIN, START_FILTER, START_SIGNATURE, false);
  }
  statIdx = newLocal(Type.getType(Object.class));
  mv.visitVarInsn(Opcodes.ASTORE, statIdx);
  mv.visitLabel(startFinally);
  mv.visitVarInsn(Opcodes.ALOAD, statIdx);
  mv.visitVarInsn(Opcodes.ALOAD, 1);
  mv.visitVarInsn(Opcodes.ALOAD, 2);
  mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACEMAIN, REJECT, REJECT_SIGNATURE, false);
  Label end = new Label();
  mv.visitJumpInsn(IFNULL, end);
  mv.visitInsn(Opcodes.RETURN);
  mv.visitLabel(end);
  mv.visitCode();
}
@Override
origin: micronaut-projects/micronaut-core

constructorWriter.visitInsn(RETURN);
constructorWriter.visitMaxs(DEFAULT_MAX_STACK, 1);
this.constructorWriter.visitEnd();
proxyBeanDefinitionWriter.visitBeanDefinitionEnd();
if (targetDefinitionGenerator != null) {
origin: cglib/cglib

public void end_class() {
  if (staticHook != null && staticInit == null) {
    // force creation of static init
    begin_static();
  }
  if (staticInit != null) {
    staticHook.return_value();
    staticHook.end_method();
    rawStaticInit.visitInsn(Constants.RETURN);
    rawStaticInit.visitMaxs(0, 0);
    staticInit = staticHook = null;
    staticHookSig = null;
  }
  cv.visitEnd();
}
origin: CalebFenton/simplify

private void visitInitStub(ClassDef classDef, MethodVisitor mv) {
  mv.visitCode();
  mv.visitVarInsn(Opcodes.ALOAD, 0);
  if (classDef.getSuperclass() != null) {
    String superName = stripName(classDef.getSuperclass());
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, superName, "<init>", "()V", false);
  }
  mv.visitInsn(Opcodes.RETURN);
  mv.visitMaxs(0, 0);
  mv.visitEnd();
}
origin: Meituan-Dianping/Robust

private static void createBooleanObj(MethodVisitor mv, int argsPostion) {
  mv.visitTypeInsn(Opcodes.NEW, "java/lang/Byte");
  mv.visitInsn(Opcodes.DUP);
  mv.visitVarInsn(Opcodes.ILOAD, argsPostion);
  mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Byte", "<init>", "(B)V");
  mv.visitInsn(Opcodes.AASTORE);
}
origin: alibaba/TProfiler

mv.visitInsn(Opcodes.ACONST_NULL);
mv.visitVarInsn(Opcodes.ASTORE, 30);
mv.visitVarInsn(Opcodes.ALOAD, 2);
mv.visitJumpInsn(Opcodes.IFNULL, sqlIsNull);
mv.visitVarInsn(Opcodes.ALOAD, 2);
mv.visitVarInsn(Opcodes.ASTORE, 30);
mv.visitJumpInsn(Opcodes.GOTO, endIf);
mv.visitInsn(Opcodes.DUP);
mv.visitVarInsn(Opcodes.ALOAD, 4);
mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "com/mysql/jdbc/Buffer", "getByteBuffer", "()[B");
mv.visitLdcInsn("utf-8");
mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/String", "<init>", "([BLjava/lang/String;)V");
mv.visitVarInsn(Opcodes.ASTORE, 30);
mv.visitVarInsn(Opcodes.ALOAD, 30);
mv.visitMethodInsn(Opcodes.INVOKESTATIC, "com/taobao/profile/Profiler", "start4Mysql", "(Ljava/lang/String;ILjava/lang/String;Ljava/lang/String;)V");
mv.visitCode();
origin: pxb1988/dex2jar

  @Override
  public void handleMethodTranslateException(Method method, DexMethodNode methodNode, MethodVisitor mv, Exception e) {
    // replace the generated code with
    // 'return new RuntimeException("D2jFail translate: xxxxxxxxxxxxx");'
    StringWriter s = new StringWriter();
    s.append("d2j fail translate: ");
    e.printStackTrace(new PrintWriter(s));
    String msg = s.toString();
    mv.visitTypeInsn(Opcodes.NEW, "java/lang/RuntimeException");
    mv.visitInsn(Opcodes.DUP);
    mv.visitLdcInsn(msg);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/RuntimeException", "<init>", "(Ljava/lang/String;)V");
    mv.visitInsn(Opcodes.ATHROW);
  }
}
origin: cglib/cglib

public void end_class() {
  if (staticHook != null && staticInit == null) {
    // force creation of static init
    begin_static();
  }
  if (staticInit != null) {
    staticHook.return_value();
    staticHook.end_method();
    rawStaticInit.visitInsn(Constants.RETURN);
    rawStaticInit.visitMaxs(0, 0);
    staticInit = staticHook = null;
    staticHookSig = null;
  }
  cv.visitEnd();
}
origin: scouter-project/scouter

  @Override
  public void visitMaxs(int maxStack, int maxLocals) {
    Label endFinally = new Label();
    mv.visitTryCatchBlock(startFinally, endFinally, endFinally, null);
    mv.visitLabel(endFinally);
    mv.visitInsn(DUP);
    int errIdx = newLocal(Type.getType(Throwable.class));
    mv.visitVarInsn(Opcodes.ASTORE, errIdx);
    mv.visitVarInsn(Opcodes.ALOAD, statIdx);// stat
    mv.visitInsn(Opcodes.ACONST_NULL);// return
    mv.visitVarInsn(Opcodes.ALOAD, errIdx);// throwable
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACESUBCALL, END_METHOD, END_SIGNATURE, false);
    mv.visitInsn(ATHROW);
    mv.visitMaxs(maxStack + 8, maxLocals + 2);
  }
}
origin: Meituan-Dianping/Robust

private static void createShortObj(MethodVisitor mv, int argsPostion) {
  mv.visitTypeInsn(Opcodes.NEW, "java/lang/Short");
  mv.visitInsn(Opcodes.DUP);
  mv.visitVarInsn(Opcodes.ILOAD, argsPostion);
  mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Short", "<init>", "(S)V");
  mv.visitInsn(Opcodes.AASTORE);
}
origin: scouter-project/scouter

    mv.visitVarInsn(Opcodes.ALOAD, sidx);
  mv.visitInsn(Opcodes.AASTORE);
  sidx += tp.getSize();
mv.visitVarInsn(Opcodes.ALOAD, arrVarIdx);
mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACESUBCALL, START_METHOD, START_SIGNATURE, false);
mv.visitCode();
origin: scouter-project/scouter

  @Override
  public void visitMaxs(int maxStack, int maxLocals) {
    Label endFinally = new Label();
    mv.visitTryCatchBlock(startFinally, endFinally, endFinally, null);
    mv.visitLabel(endFinally);
    mv.visitInsn(DUP);
    int errIdx = newLocal(Type.getType(Throwable.class));
    mv.visitVarInsn(Opcodes.ASTORE, errIdx);

    mv.visitVarInsn(Opcodes.ALOAD, statIdx);
    mv.visitInsn(Opcodes.ACONST_NULL);// return
    mv.visitVarInsn(Opcodes.ALOAD, errIdx);
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACEMAIN, END_METHOD, END_SIGNATURE,false);
    mv.visitInsn(ATHROW);
    mv.visitMaxs(maxStack + 8, maxLocals + 2);
  }
}
origin: Meituan-Dianping/Robust

private static void createCharObj(MethodVisitor mv, int argsPostion) {
  mv.visitTypeInsn(Opcodes.NEW, "java/lang/Character");
  mv.visitInsn(Opcodes.DUP);
  mv.visitVarInsn(Opcodes.ILOAD, argsPostion);
  mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Character", "<init>", "(C)V");
  mv.visitInsn(Opcodes.AASTORE);
}
origin: scouter-project/scouter

@Override
public void visitCode() {
  int sidx = 1;
  mv.visitVarInsn(Opcodes.ALOAD, 0);
  AsmUtil.PUSH(mv, fullName);
  AsmUtil.PUSH(mv, className);
  AsmUtil.PUSH(mv, name);
  AsmUtil.PUSH(mv, desc);
  mv.visitVarInsn(Opcodes.ALOAD, 0);
  int arrVarIdx = newLocal(Type.getType("[Ljava/lang/Object;"));
  AsmUtil.PUSH(mv, paramTypes.length);
  mv.visitTypeInsn(Opcodes.ANEWARRAY, "java/lang/Object");
  mv.visitVarInsn(Opcodes.ASTORE, arrVarIdx);
  for (int i = 0; i < paramTypes.length; i++) {
    Type tp = paramTypes[i];
    mv.visitVarInsn(Opcodes.ALOAD, arrVarIdx);
    AsmUtil.PUSH(mv, i);
    AsmUtil.loadForArrayElement(mv, tp, sidx);
    mv.visitInsn(Opcodes.AASTORE);
    sidx += tp.getSize();
  }
  mv.visitVarInsn(Opcodes.ALOAD, arrVarIdx);
  mv.visitMethodInsn(Opcodes.INVOKESTATIC, TARGET, START_METHOD, START_METHOD_DESC,false);
  statIdx = newLocal(Type.getType(Object.class));
  mv.visitVarInsn(Opcodes.ASTORE, statIdx);
  mv.visitLabel(startFinally);
  mv.visitCode();
}
origin: scouter-project/scouter

  @Override
  public void visitMaxs(int maxStack, int maxLocals) {
    Label endFinally = new Label();
    mv.visitTryCatchBlock(startFinally, endFinally, endFinally, null);
    mv.visitLabel(endFinally);
    mv.visitInsn(DUP);
    int errIdx = newLocal(Type.getType(Throwable.class));
    mv.visitVarInsn(Opcodes.ASTORE, errIdx);

    mv.visitInsn(Opcodes.ACONST_NULL);// return
    mv.visitVarInsn(Opcodes.ALOAD, statIdx);
    mv.visitVarInsn(Opcodes.ALOAD, errIdx);
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, TARGET, END_METHOD, END_METHOD_DESC,false);
    mv.visitInsn(ATHROW);
    mv.visitMaxs(maxStack + 8, maxLocals + 2);
  }
}
origin: Meituan-Dianping/Robust

private static void createIntegerObj(MethodVisitor mv, int argsPostion) {
  mv.visitTypeInsn(Opcodes.NEW, "java/lang/Integer");
  mv.visitInsn(Opcodes.DUP);
  mv.visitVarInsn(Opcodes.ILOAD, argsPostion);
  mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Integer", "<init>", "(I)V");
  mv.visitInsn(Opcodes.AASTORE);
}
org.objectweb.asmMethodVisitorvisitInsn

Javadoc

Visits a zero operand instruction.

Popular methods of MethodVisitor

  • visitMethodInsn
    Visits a method instruction. A method instruction is an instruction that invokes a method.
  • visitVarInsn
    Visits a local variable instruction. A local variable instruction is an instruction that loads or st
  • visitMaxs
    Visits the maximum stack size and the maximum number of local variables of the method.
  • visitEnd
    Visits the end of the method. This method, which is the last one to be called, is used to inform the
  • visitCode
    Starts the visit of the method's code, if any (i.e. non abstract method).
  • visitFieldInsn
    Visits a field instruction. A field instruction is an instruction that loads or stores the value of
  • visitTypeInsn
    Visits a type instruction. A type instruction is an instruction that takes the internal name of a cl
  • visitLabel
    Visits a label. A label designates the instruction that will be visited just after it.
  • visitLdcInsn
    Visits a LDC instruction. Note that new constant types may be added in future versions of the Java V
  • visitJumpInsn
    Visits a jump instruction. A jump instruction is an instruction that may jump to another instruction
  • visitIntInsn
    Visits an instruction with a single int operand.
  • visitLocalVariable
    Visits a local variable declaration.
  • visitIntInsn,
  • visitLocalVariable,
  • visitAnnotation,
  • visitTryCatchBlock,
  • visitLineNumber,
  • visitFrame,
  • visitTableSwitchInsn,
  • visitParameterAnnotation,
  • visitIincInsn

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