lldb/source/Interpreter/OptionValueRegex.cpp

   1 //===-- OptionValueRegex.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/OptionValueRegex.h"
  10
  11 #include "lldb/Utility/Stream.h"
  12
  13 using namespace lldb;
  14 using namespace lldb_private;
  15
  16 void OptionValueRegex::DumpValue(const ExecutionContext *exe_ctx, Stream &strm,
  17                                  uint32_t dump_mask) {
  18   if (dump_mask & eDumpOptionType)
  19     strm.Printf("(%s)", GetTypeAsCString());
  20   if (dump_mask & eDumpOptionValue) {
  21     if (dump_mask & eDumpOptionType)
  22       strm.PutCString(" = ");
  23     if (m_regex.IsValid()) {
  24       llvm::StringRef regex_text = m_regex.GetText();
  25       strm.Printf("%s", regex_text.str().c_str());
  26     }
  27   }
  28 }
  29
  30 Status OptionValueRegex::SetValueFromString(llvm::StringRef value,
  31                                             VarSetOperationType op) {
  32   Status error;
  33   switch (op) {
  34   case eVarSetOperationInvalid:
  35   case eVarSetOperationInsertBefore:
  36   case eVarSetOperationInsertAfter:
  37   case eVarSetOperationRemove:
  38   case eVarSetOperationAppend:
  39     error = OptionValue::SetValueFromString(value, op);
  40     break;
  41
  42   case eVarSetOperationClear:
  43     Clear();
  44     NotifyValueChanged();
  45     break;
  46
  47   case eVarSetOperationReplace:
  48   case eVarSetOperationAssign:
  49     m_regex = RegularExpression(value);
  50     if (m_regex.IsValid()) {
  51       m_value_was_set = true;
  52       NotifyValueChanged();
  53     } else if (llvm::Error err = m_regex.GetError()) {
  54       return Status::FromError(std::move(err));
  55     } else {
  56       return Status::FromErrorString("regex error");
  57     }
  58     break;
  59   }
  60   return error;
  61 }