lldb/source/Interpreter/OptionValueUInt64.cpp

   1 //===-- OptionValueUInt64.cpp ---------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "lldb/Interpreter/OptionValueUInt64.h"
  10
  11 #include "lldb/Utility/Stream.h"
  12
  13 using namespace lldb;
  14 using namespace lldb_private;
  15
  16 lldb::OptionValueSP OptionValueUInt64::Create(llvm::StringRef value_str,
  17                                               Status &error) {
  18   lldb::OptionValueSP value_sp(new OptionValueUInt64());
  19   error = value_sp->SetValueFromString(value_str);
  20   if (error.Fail())
  21     value_sp.reset();
  22   return value_sp;
  23 }
  24
  25 void OptionValueUInt64::DumpValue(const ExecutionContext *exe_ctx, Stream &strm,
  26                                   uint32_t dump_mask) {
  27   if (dump_mask & eDumpOptionType)
  28     strm.Printf("(%s)", GetTypeAsCString());
  29   if (dump_mask & eDumpOptionValue) {
  30     if (dump_mask & eDumpOptionType)
  31       strm.PutCString(" = ");
  32     strm.Printf("%" PRIu64, m_current_value);
  33   }
  34 }
  35
  36 Status OptionValueUInt64::SetValueFromString(llvm::StringRef value_ref,
  37                                              VarSetOperationType op) {
  38   Status error;
  39   switch (op) {
  40   case eVarSetOperationClear:
  41     Clear();
  42     NotifyValueChanged();
  43     break;
  44
  45   case eVarSetOperationReplace:
  46   case eVarSetOperationAssign: {
  47     llvm::StringRef value_trimmed = value_ref.trim();
  48     uint64_t value;
  49     if (llvm::to_integer(value_trimmed, value)) {
  50       if (value >= m_min_value && value <= m_max_value) {
  51         m_value_was_set = true;
  52         m_current_value = value;
  53         NotifyValueChanged();
  54       } else {
  55         error = Status::FromErrorStringWithFormat(
  56             "%" PRIu64 " is out of range, valid values must be between %" PRIu64
  57             " and %" PRIu64 ".",
  58             value, m_min_value, m_max_value);
  59       }
  60     } else {
  61       error = Status::FromErrorStringWithFormat(
  62           "invalid uint64_t string value: '%s'", value_ref.str().c_str());
  63     }
  64   } break;
  65
  66   case eVarSetOperationInsertBefore:
  67   case eVarSetOperationInsertAfter:
  68   case eVarSetOperationRemove:
  69   case eVarSetOperationAppend:
  70   case eVarSetOperationInvalid:
  71     error = OptionValue::SetValueFromString(value_ref, op);
  72     break;
  73   }
  74   return error;
  75 }