Source/cmTargetCompileDefinitionsCommand.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 "cmTargetCompileDefinitionsCommand.h"
   4
   5 #include "cmMakefile.h"
   6 #include "cmMessageType.h"
   7 #include "cmStringAlgorithms.h"
   8 #include "cmTarget.h"
   9 #include "cmTargetPropCommandBase.h"
  10
  11 namespace {
  12
  13 class TargetCompileDefinitionsImpl : public cmTargetPropCommandBase
  14 {
  15 public:
  16   using cmTargetPropCommandBase::cmTargetPropCommandBase;
  17
  18 private:
  19   void HandleMissingTarget(const std::string& name) override
  20   {
  21     this->Makefile->IssueMessage(
  22       MessageType::FATAL_ERROR,
  23       cmStrCat("Cannot specify compile definitions for target \"", name,
  24                "\" which is not built by this project."));
  25   }
  26
  27   bool HandleDirectContent(cmTarget* tgt,
  28                            const std::vector<std::string>& content,
  29                            bool /*prepend*/, bool /*system*/) override
  30   {
  31     tgt->AppendProperty("COMPILE_DEFINITIONS", this->Join(content));
  32     return true; // Successfully handled.
  33   }
  34
  35   std::string Join(const std::vector<std::string>& content) override
  36   {
  37     std::string defs;
  38     std::string sep;
  39     for (std::string const& it : content) {
  40       if (cmHasLiteralPrefix(it, "-D")) {
  41         defs += sep + it.substr(2);
  42       } else {
  43         defs += sep + it;
  44       }
  45       sep = ";";
  46     }
  47     return defs;
  48   }
  49 };
  50
  51 } // namespace
  52
  53 bool cmTargetCompileDefinitionsCommand(std::vector<std::string> const& args,
  54                                        cmExecutionStatus& status)
  55 {
  56   return TargetCompileDefinitionsImpl(status).HandleArguments(
  57     args, "COMPILE_DEFINITIONS");
  58 }