C++ OptTable::getOption方法代码示例

本文整理汇总了C++中OptTable::getOption方法的典型用法代码示例。如果您正苦于以下问题：C++ OptTable::getOption方法的具体用法？C++ OptTable::getOption怎么用？C++ OptTable::getOption使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类OptTable的用法示例。

在下文中一共展示了OptTable::getOption方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: getOptionHelpName

static std::string getOptionHelpName(const OptTable &Opts, OptSpecifier Id) {
  const Option O = Opts.getOption(Id);
  std::string Name = O.getPrefixedName();

  // Add metavar, if used.
  switch (O.getKind()) {
  case Option::GroupClass: case Option::InputClass: case Option::UnknownClass:
    llvm_unreachable("Invalid option with help text.");

  case Option::MultiArgClass:
    llvm_unreachable("Cannot print metavar for this kind of option.");

  case Option::FlagClass:
    break;

  case Option::SeparateClass: case Option::JoinedOrSeparateClass:
    Name += ' ';
    // FALLTHROUGH
  case Option::JoinedClass: case Option::CommaJoinedClass:
  case Option::JoinedAndSeparateClass:
    if (const char *MetaVarName = Opts.getOptionMetaVar(Id))
      Name += MetaVarName;
    else
      Name += "<value>";
    break;
  }

  return Name;
}

开发者ID:32bitmicro，项目名称:llvm，代码行数:29，代码来源:OptTable.cpp

示例2: TranslateDArg

static void TranslateDArg(Arg *A, llvm::opt::DerivedArgList &DAL,
                          const OptTable &Opts) {
    assert(A->getOption().matches(options::OPT_D));

    StringRef Val = A->getValue();
    size_t Hash = Val.find('#');
    if (Hash == StringRef::npos || Hash > Val.find('=')) {
        DAL.append(A);
        return;
    }

    std::string NewVal = Val;
    NewVal[Hash] = '=';
    DAL.AddJoinedArg(A, Opts.getOption(options::OPT_D), NewVal);
}

开发者ID:OpenKimono，项目名称:clang，代码行数:15，代码来源:MSVCToolChain.cpp

示例3: getOptionHelpName

static std::string getOptionHelpName(const OptTable &Opts, OptSpecifier Id) {
  const Option O = Opts.getOption(Id);
  std::string Name = O.getPrefixedName();

  // Add metavar, if used.
  switch (O.getKind()) {
  case Option::GroupClass: case Option::InputClass: case Option::UnknownClass:
    llvm_unreachable("Invalid option with help text.");

  case Option::MultiArgClass:
    if (const char *MetaVarName = Opts.getOptionMetaVar(Id)) {
      // For MultiArgs, metavar is full list of all argument names.
      Name += ' ';
      Name += MetaVarName;
    }
    else {
      // For MultiArgs<N>, if metavar not supplied, print <value> N times.
      for (unsigned i=0, e=O.getNumArgs(); i< e; ++i) {
        Name += " <value>";
      }
    }
    break;

  case Option::FlagClass:
    break;

  case Option::ValuesClass:
    break;

  case Option::SeparateClass: case Option::JoinedOrSeparateClass:
  case Option::RemainingArgsClass: case Option::RemainingArgsJoinedClass:
    Name += ' ';
    LLVM_FALLTHROUGH;
  case Option::JoinedClass: case Option::CommaJoinedClass:
  case Option::JoinedAndSeparateClass:
    if (const char *MetaVarName = Opts.getOptionMetaVar(Id))
      Name += MetaVarName;
    else
      Name += "<value>";
    break;
  }

  return Name;
}

开发者ID:dongjinxian，项目名称:llvm，代码行数:44，代码来源:OptTable.cpp

示例4: TranslateOptArg

static void TranslateOptArg(Arg *A, llvm::opt::DerivedArgList &DAL,
                            bool SupportsForcingFramePointer,
                            const char *ExpandChar, const OptTable &Opts) {
    assert(A->getOption().matches(options::OPT__SLASH_O));

    StringRef OptStr = A->getValue();
    for (size_t I = 0, E = OptStr.size(); I != E; ++I) {
        const char &OptChar = *(OptStr.data() + I);
        switch (OptChar) {
        default:
            break;
        case '1':
        case '2':
        case 'x':
        case 'd':
            if (&OptChar == ExpandChar) {
                if (OptChar == 'd') {
                    DAL.AddFlagArg(A, Opts.getOption(options::OPT_O0));
                } else {
                    if (OptChar == '1') {
                        DAL.AddJoinedArg(A, Opts.getOption(options::OPT_O), "s");
                    } else if (OptChar == '2' || OptChar == 'x') {
                        DAL.AddFlagArg(A, Opts.getOption(options::OPT_fbuiltin));
                        DAL.AddJoinedArg(A, Opts.getOption(options::OPT_O), "2");
                    }
                    if (SupportsForcingFramePointer &&
                            !DAL.hasArgNoClaim(options::OPT_fno_omit_frame_pointer))
                        DAL.AddFlagArg(A,
                                       Opts.getOption(options::OPT_fomit_frame_pointer));
                    if (OptChar == '1' || OptChar == '2')
                        DAL.AddFlagArg(A,
                                       Opts.getOption(options::OPT_ffunction_sections));
                }
            }
            break;
        case 'b':
            if (I + 1 != E && isdigit(OptStr[I + 1])) {
                switch (OptStr[I + 1]) {
                case '0':
                    DAL.AddFlagArg(A, Opts.getOption(options::OPT_fno_inline));
                    break;
                case '1':
                    // TODO: Inline calls to 'inline functions' only.
                    break;
                case '2':
                    DAL.AddFlagArg(A, Opts.getOption(options::OPT_finline_functions));
                    break;
                }
                ++I;
            }
            break;
        case 'g':
            break;
        case 'i':
            if (I + 1 != E && OptStr[I + 1] == '-') {
                ++I;
                DAL.AddFlagArg(A, Opts.getOption(options::OPT_fno_builtin));
            } else {
                DAL.AddFlagArg(A, Opts.getOption(options::OPT_fbuiltin));
            }
            break;
        case 's':
            DAL.AddJoinedArg(A, Opts.getOption(options::OPT_O), "s");
            break;
        case 't':
            DAL.AddJoinedArg(A, Opts.getOption(options::OPT_O), "2");
            break;
        case 'y': {
            bool OmitFramePointer = true;
            if (I + 1 != E && OptStr[I + 1] == '-') {
                OmitFramePointer = false;
                ++I;
            }
            if (SupportsForcingFramePointer) {
                if (OmitFramePointer)
                    DAL.AddFlagArg(A,
                                   Opts.getOption(options::OPT_fomit_frame_pointer));
                else
                    DAL.AddFlagArg(
                        A, Opts.getOption(options::OPT_fno_omit_frame_pointer));
            } else {
                // Don't warn about /Oy- in 64-bit builds (where
                // SupportsForcingFramePointer is false).  The flag having no effect
                // there is a compiler-internal optimization, and people shouldn't have
                // to special-case their build files for 64-bit clang-cl.
                A->claim();
            }
            break;
        }
        }
    }
}

开发者ID:OpenKimono，项目名称:clang，代码行数:92，代码来源:MSVCToolChain.cpp

示例5: TranslateOptArg

static void TranslateOptArg(Arg *A, llvm::opt::DerivedArgList &DAL,
                            bool SupportsForcingFramePointer,
                            const char *ExpandChar, const OptTable &Opts) {
  assert(A->getOption().matches(options::OPT__SLASH_O));

  StringRef OptStr = A->getValue();
  for (size_t I = 0, E = OptStr.size(); I != E; ++I) {
    const char &OptChar = *(OptStr.data() + I);
    switch (OptChar) {
    default:
      break;
    case '1':
    case '2':
    case 'x':
    case 'd':
      if (&OptChar == ExpandChar) {
        if (OptChar == 'd') {
          DAL.AddFlagArg(A, Opts.getOption(options::OPT_O0));
        } else {
          if (OptChar == '1') {
            DAL.AddJoinedArg(A, Opts.getOption(options::OPT_O), "s");
          } else if (OptChar == '2' || OptChar == 'x') {
            DAL.AddFlagArg(A, Opts.getOption(options::OPT_fbuiltin));
            DAL.AddJoinedArg(A, Opts.getOption(options::OPT_O), "2");
          }
          if (SupportsForcingFramePointer)
            DAL.AddFlagArg(A,
                           Opts.getOption(options::OPT_fomit_frame_pointer));
          if (OptChar == '1' || OptChar == '2')
            DAL.AddFlagArg(A,
                           Opts.getOption(options::OPT_ffunction_sections));
        }
      }
      break;
    case 'b':
      if (I + 1 != E && isdigit(OptStr[I + 1]))
        ++I;
      break;
    case 'g':
      break;
    case 'i':
      if (I + 1 != E && OptStr[I + 1] == '-') {
        ++I;
        DAL.AddFlagArg(A, Opts.getOption(options::OPT_fno_builtin));
      } else {
        DAL.AddFlagArg(A, Opts.getOption(options::OPT_fbuiltin));
      }
      break;
    case 's':
      DAL.AddJoinedArg(A, Opts.getOption(options::OPT_O), "s");
      break;
    case 't':
      DAL.AddJoinedArg(A, Opts.getOption(options::OPT_O), "2");
      break;
    case 'y': {
      bool OmitFramePointer = true;
      if (I + 1 != E && OptStr[I + 1] == '-') {
        OmitFramePointer = false;
        ++I;
      }
      if (SupportsForcingFramePointer) {
        if (OmitFramePointer)
          DAL.AddFlagArg(A,
                         Opts.getOption(options::OPT_fomit_frame_pointer));
        else
          DAL.AddFlagArg(
              A, Opts.getOption(options::OPT_fno_omit_frame_pointer));
      }
      break;
    }
    }
  }
}

开发者ID:mirams，项目名称:opencor，代码行数:73，代码来源:MSVCToolChain.cpp

注：本文中的OptTable::getOption方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。