org.objectweb.asm.MethodVisitor.visitIntInsn java code examples

Common ways to obtain MethodVisitor

private void myMethod () {
 MethodVisitor m =ClassVisitor zuper;zuper.visitMethod(access, name, desc, signature, exceptions)
ClassVisitor cv;String name;String desc;String signature;String[] exceptions;cv.visitMethod(access, name, desc, signature, exceptions)
ClassVisitor cv;cv.visitMethod(access, "<init>", "()V", null, null)
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}

public void visitIntInsn(int opcode, int operand) {
  mv1.visitIntInsn(opcode, operand);
  mv2.visitIntInsn(opcode, operand);
}

public void visitIntInsn(int opcode, int operand) {
  mv1.visitIntInsn(opcode, operand);
  mv2.visitIntInsn(opcode, operand);
}

/**
 * Visits an instruction with a single int operand.
 *
 * @param opcode the opcode of the instruction to be visited. This opcode is either BIPUSH, SIPUSH
 *     or NEWARRAY.
 * @param operand the operand of the instruction to be visited.<br>
 *     When opcode is BIPUSH, operand value should be between Byte.MIN_VALUE and Byte.MAX_VALUE.
 *     <br>
 *     When opcode is SIPUSH, operand value should be between Short.MIN_VALUE and Short.MAX_VALUE.
 *     <br>
 *     When opcode is NEWARRAY, operand value should be one of {@link Opcodes#T_BOOLEAN}, {@link
 *     Opcodes#T_CHAR}, {@link Opcodes#T_FLOAT}, {@link Opcodes#T_DOUBLE}, {@link Opcodes#T_BYTE},
 *     {@link Opcodes#T_SHORT}, {@link Opcodes#T_INT} or {@link Opcodes#T_LONG}.
 */
public void visitIntInsn(final int opcode, final int operand) {
 if (mv != null) {
  mv.visitIntInsn(opcode, operand);
 }
}

public static void PUSH(MethodVisitor mv, int value) {
  if ((value >= -1) && (value <= 5)) // Use ICONST_n
    mv.visitInsn(ICONST_0 + value);
  else if ((value >= -128) && (value <= 127)) // Use BIPUSH
    mv.visitIntInsn(BIPUSH, value);
  else if ((value >= -32768) && (value <= 32767)) // Use SIPUSH
    mv.visitIntInsn(SIPUSH, value);
  else
    mv.visitLdcInsn(new Integer(value));
}

public void push(int i) {
  if (i < -1) {
    mv.visitLdcInsn(new Integer(i));
  } else if (i <= 5) {
    mv.visitInsn(TypeUtils.ICONST(i));
  } else if (i <= Byte.MAX_VALUE) {
    mv.visitIntInsn(Constants.BIPUSH, i);
  } else if (i <= Short.MAX_VALUE) {
    mv.visitIntInsn(Constants.SIPUSH, i);
  } else {
    mv.visitLdcInsn(new Integer(i));
  }
}

public void push(int i) {
  if (i < -1) {
    mv.visitLdcInsn(new Integer(i));
  } else if (i <= 5) {
    mv.visitInsn(TypeUtils.ICONST(i));
  } else if (i <= Byte.MAX_VALUE) {
    mv.visitIntInsn(Constants.BIPUSH, i);
  } else if (i <= Short.MAX_VALUE) {
    mv.visitIntInsn(Constants.SIPUSH, i);
  } else {
    mv.visitLdcInsn(new Integer(i));
  }
}

  mv.visitIntInsn(Opcodes.BIPUSH, argsCount);
} else {
  mv.visitInsn(Opcodes.ICONST_0 + argsCount);
    mv.visitInsn(Opcodes.ICONST_0 + i);
  } else {
    mv.visitIntInsn(Opcodes.BIPUSH, i);

  break;
case 'Z':
  asm.visitIntInsn(NEWARRAY, T_BOOLEAN);
  break;
case 'B':
  asm.visitIntInsn(NEWARRAY, T_BYTE);
  break;
case 'S':
  asm.visitIntInsn(NEWARRAY, T_SHORT);
  break;
case 'C':
  asm.visitIntInsn(NEWARRAY, T_CHAR);
  break;
case 'I':
  asm.visitIntInsn(NEWARRAY, T_INT);
  break;
case 'F':
  asm.visitIntInsn(NEWARRAY, T_FLOAT);
  break;
case 'J':
  asm.visitIntInsn(NEWARRAY, T_LONG);
  break;
case 'D':
  asm.visitIntInsn(NEWARRAY, T_DOUBLE);
  break;

  super.visitInsn(ICONST_0 + value);
} else if (value <= Byte.MAX_VALUE && value >= Byte.MIN_VALUE) {
  super.visitIntInsn(BIPUSH, value);
} else if (value <= Short.MAX_VALUE && value >= Short.MIN_VALUE) {
  super.visitIntInsn(SIPUSH, value);
} else {
  super.visitLdcInsn(cst);

  return;
} else if (i >= Byte.MIN_VALUE && i <= Byte.MAX_VALUE) {
  mv.visitIntInsn(BIPUSH, i);
  return;
} else if (i >= Short.MIN_VALUE && i <= Short.MAX_VALUE) {
  mv.visitIntInsn(SIPUSH, i);
  return;

public void newarray(Type type) {
  if (TypeUtils.isPrimitive(type)) {
    mv.visitIntInsn(Constants.NEWARRAY, TypeUtils.NEWARRAY(type));
  } else {
    emit_type(Constants.ANEWARRAY, type);
  }
}

public void newarray(Type type) {
  if (TypeUtils.isPrimitive(type)) {
    mv.visitIntInsn(Constants.NEWARRAY, TypeUtils.NEWARRAY(type));
  } else {
    emit_type(Constants.ANEWARRAY, type);
  }
}

  mv.visitInsn(Opcodes.DUP);
  mv.visitLdcInsn(fieldName);
  mv.visitIntInsn(Opcodes.BIPUSH, i);
  mv.visitMethodInsn(Opcodes.INVOKESPECIAL, name, "<init>", "(Ljava/lang/String;I)V",
            false);
mv.visitIntInsn(Opcodes.BIPUSH, fieldCount);
mv.visitTypeInsn(Opcodes.ANEWARRAY, name);
  String fieldName = fieldNames.get(i);
  mv.visitInsn(Opcodes.DUP);
  mv.visitIntInsn(Opcodes.BIPUSH, i);
  mv.visitFieldInsn(Opcodes.GETSTATIC, name, fieldName, classDef.getType());
  mv.visitInsn(Opcodes.AASTORE);

for (int p_index = 0; p_index < parameterTypes.length; p_index++) {
  mv.visitVarInsn(ALOAD, 3);
  mv.visitIntInsn(BIPUSH, p_index);
  mv.visitInsn(AALOAD);

for (int p_index = 0; p_index < parameterTypes.length; p_index++) {
  mv.visitVarInsn(ALOAD, 3);
  mv.visitIntInsn(BIPUSH, p_index);
  mv.visitInsn(AALOAD);

 throw new RuntimeException("invalid type");
mv.visitIntInsn(Opcodes.NEWARRAY, type);

default:
 if (v >= Byte.MIN_VALUE && v <= Byte.MAX_VALUE) {
  mv.visitIntInsn(Opcodes.BIPUSH, v);
 } else if (v >= Short.MIN_VALUE && v <= Short.MAX_VALUE) {
  mv.visitIntInsn(Opcodes.SIPUSH, v);
 } else {
  mv.visitLdcInsn(v);

  mv.visitInsn(ICONST_0 + pc);
} else {
  mv.visitIntInsn(BIPUSH, pc);

mv.visitIntInsn(opcode, op);
break;

case Constants.BIPUSH:
case Constants.NEWARRAY:
 methodVisitor.visitIntInsn(opcode, classFileBuffer[currentOffset + 1]);
 currentOffset += 2;
 break;
case Constants.SIPUSH:
 methodVisitor.visitIntInsn(opcode, readShort(currentOffset + 1));
 currentOffset += 3;
 break;

Javadoc

Visits an instruction with a single int operand.

Popular methods of MethodVisitor

visitMethodInsn
Visits a method instruction. A method instruction is an instruction that invokes a method.
visitInsn
Visits a zero operand instruction.
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
visitLocalVariable
Visits a local variable declaration.

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How to use visitIntInsnmethodin org.objectweb.asm.MethodVisitor

Best Java code snippets using org.objectweb.asm.MethodVisitor.visitIntInsn (Showing top 20 results out of 936)

How to use
visitIntInsn
method
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org.objectweb.asm.MethodVisitor