bool has_side_effect()

in source/Transfer.cpp [1355:1397]

• 43 lines of code
• 31 McCabe index (conditional complexity)

bool has_side_effect(const MethodItemEntry& instruction) {
  switch (instruction.type) {
    case MFLOW_OPCODE:
      switch (instruction.insn->opcode()) {
        case IOPCODE_LOAD_PARAM:
        case IOPCODE_LOAD_PARAM_OBJECT:
        case IOPCODE_LOAD_PARAM_WIDE:
        case OPCODE_NOP:
        case OPCODE_MOVE:
        case OPCODE_MOVE_WIDE:
        case OPCODE_MOVE_OBJECT:
        case OPCODE_MOVE_RESULT:
        case OPCODE_MOVE_RESULT_WIDE:
        case OPCODE_MOVE_RESULT_OBJECT:
        case IOPCODE_MOVE_RESULT_PSEUDO:
        case IOPCODE_MOVE_RESULT_PSEUDO_OBJECT:
        case IOPCODE_MOVE_RESULT_PSEUDO_WIDE:
        case OPCODE_RETURN_VOID:
        case OPCODE_RETURN:
        case OPCODE_RETURN_WIDE:
        case OPCODE_RETURN_OBJECT:
        case OPCODE_CONST:
        case OPCODE_CONST_WIDE:
        case OPCODE_IGET:
        case OPCODE_IGET_WIDE:
        case OPCODE_IGET_OBJECT:
        case OPCODE_IGET_BOOLEAN:
        case OPCODE_IGET_BYTE:
        case OPCODE_IGET_CHAR:
        case OPCODE_IGET_SHORT:
          return false;
        default:
          return true;
      }
      break;
    case MFLOW_DEBUG:
    case MFLOW_POSITION:
    case MFLOW_FALLTHROUGH:
      return false;
    default:
      return true;
  }
}