Source/cmTargetCompileFeaturesCommand.cxx

   1 /* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   2    file Copyright.txt or https://cmake.org/licensing for details.  */
   3 #include "cmTargetCompileFeaturesCommand.h"
   4
   5 #include "cmList.h"
   6 #include "cmMakefile.h"
   7 #include "cmMessageType.h"
   8 #include "cmStandardLevelResolver.h"
   9 #include "cmStringAlgorithms.h"
  10 #include "cmTargetPropCommandBase.h"
  11
  12 class cmTarget;
  13
  14 namespace {
  15
  16 class TargetCompileFeaturesImpl : public cmTargetPropCommandBase
  17 {
  18 public:
  19   using cmTargetPropCommandBase::cmTargetPropCommandBase;
  20
  21 private:
  22   void HandleMissingTarget(const std::string& name) override
  23   {
  24     this->Makefile->IssueMessage(
  25       MessageType::FATAL_ERROR,
  26       cmStrCat("Cannot specify compile features for target \"", name,
  27                "\" which is not built by this project."));
  28   }
  29
  30   bool HandleDirectContent(cmTarget* tgt,
  31                            const std::vector<std::string>& content,
  32                            bool /*prepend*/, bool /*system*/) override
  33   {
  34     cmStandardLevelResolver standardResolver(this->Makefile);
  35     for (std::string const& it : content) {
  36       std::string error;
  37       if (!standardResolver.AddRequiredTargetFeature(tgt, it, &error)) {
  38         this->SetError(error);
  39         return false; // Not (successfully) handled.
  40       }
  41     }
  42     return true; // Successfully handled.
  43   }
  44
  45   std::string Join(const std::vector<std::string>& content) override
  46   {
  47     return cmList::to_string(content);
  48   }
  49 };
  50
  51 } // namespace
  52
  53 bool cmTargetCompileFeaturesCommand(std::vector<std::string> const& args,
  54                                     cmExecutionStatus& status)
  55 {
  56   return TargetCompileFeaturesImpl(status).HandleArguments(args,
  57                                                            "COMPILE_FEATURES");
  58 }