public void visitInsn()

in asm-commons/src/main/java/org/objectweb/asm/commons/AdviceAdapter.java [145:327]

• 183 lines of code
• 117 McCabe index (conditional complexity)

  public void visitInsn(final int opcode) {
    if (isConstructor && !superClassConstructorCalled) {
      int stackSize;
      switch (opcode) {
        case IRETURN:
        case FRETURN:
        case ARETURN:
        case LRETURN:
        case DRETURN:
          throw new IllegalArgumentException("Invalid return in constructor");
        case RETURN: // empty stack
          onMethodExit(opcode);
          endConstructorBasicBlockWithoutSuccessor();
          break;
        case ATHROW: // 1 before n/a after
          popValue();
          onMethodExit(opcode);
          endConstructorBasicBlockWithoutSuccessor();
          break;
        case NOP:
        case LALOAD: // remove 2 add 2
        case DALOAD: // remove 2 add 2
        case LNEG:
        case DNEG:
        case FNEG:
        case INEG:
        case L2D:
        case D2L:
        case F2I:
        case I2B:
        case I2C:
        case I2S:
        case I2F:
        case ARRAYLENGTH:
          break;
        case ACONST_NULL:
        case ICONST_M1:
        case ICONST_0:
        case ICONST_1:
        case ICONST_2:
        case ICONST_3:
        case ICONST_4:
        case ICONST_5:
        case FCONST_0:
        case FCONST_1:
        case FCONST_2:
        case F2L: // 1 before 2 after
        case F2D:
        case I2L:
        case I2D:
          pushValue(OTHER);
          break;
        case LCONST_0:
        case LCONST_1:
        case DCONST_0:
        case DCONST_1:
          pushValue(OTHER);
          pushValue(OTHER);
          break;
        case IALOAD: // remove 2 add 1
        case FALOAD: // remove 2 add 1
        case AALOAD: // remove 2 add 1
        case BALOAD: // remove 2 add 1
        case CALOAD: // remove 2 add 1
        case SALOAD: // remove 2 add 1
        case POP:
        case IADD:
        case FADD:
        case ISUB:
        case LSHL: // 3 before 2 after
        case LSHR: // 3 before 2 after
        case LUSHR: // 3 before 2 after
        case L2I: // 2 before 1 after
        case L2F: // 2 before 1 after
        case D2I: // 2 before 1 after
        case D2F: // 2 before 1 after
        case FSUB:
        case FMUL:
        case FDIV:
        case FREM:
        case FCMPL: // 2 before 1 after
        case FCMPG: // 2 before 1 after
        case IMUL:
        case IDIV:
        case IREM:
        case ISHL:
        case ISHR:
        case IUSHR:
        case IAND:
        case IOR:
        case IXOR:
        case MONITORENTER:
        case MONITOREXIT:
          popValue();
          break;
        case POP2:
        case LSUB:
        case LMUL:
        case LDIV:
        case LREM:
        case LADD:
        case LAND:
        case LOR:
        case LXOR:
        case DADD:
        case DMUL:
        case DSUB:
        case DDIV:
        case DREM:
          popValue();
          popValue();
          break;
        case IASTORE:
        case FASTORE:
        case AASTORE:
        case BASTORE:
        case CASTORE:
        case SASTORE:
        case LCMP: // 4 before 1 after
        case DCMPL:
        case DCMPG:
          popValue();
          popValue();
          popValue();
          break;
        case LASTORE:
        case DASTORE:
          popValue();
          popValue();
          popValue();
          popValue();
          break;
        case DUP:
          pushValue(peekValue());
          break;
        case DUP_X1:
          stackSize = stackFrame.size();
          stackFrame.add(stackSize - 2, stackFrame.get(stackSize - 1));
          break;
        case DUP_X2:
          stackSize = stackFrame.size();
          stackFrame.add(stackSize - 3, stackFrame.get(stackSize - 1));
          break;
        case DUP2:
          stackSize = stackFrame.size();
          stackFrame.add(stackSize - 2, stackFrame.get(stackSize - 1));
          stackFrame.add(stackSize - 2, stackFrame.get(stackSize - 1));
          break;
        case DUP2_X1:
          stackSize = stackFrame.size();
          stackFrame.add(stackSize - 3, stackFrame.get(stackSize - 1));
          stackFrame.add(stackSize - 3, stackFrame.get(stackSize - 1));
          break;
        case DUP2_X2:
          stackSize = stackFrame.size();
          stackFrame.add(stackSize - 4, stackFrame.get(stackSize - 1));
          stackFrame.add(stackSize - 4, stackFrame.get(stackSize - 1));
          break;
        case SWAP:
          stackSize = stackFrame.size();
          stackFrame.add(stackSize - 2, stackFrame.get(stackSize - 1));
          stackFrame.remove(stackSize);
          break;
        default:
          throw new IllegalArgumentException(INVALID_OPCODE + opcode);
      }
    } else {
      switch (opcode) {
        case RETURN:
        case IRETURN:
        case FRETURN:
        case ARETURN:
        case LRETURN:
        case DRETURN:
        case ATHROW:
          onMethodExit(opcode);
          break;
        default:
          break;
      }
    }
    super.visitInsn(opcode);
  }