/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying

   file LICENSE.rst or https://cmake.org/licensing for details.  */

#include "cmTargetCompileOptionsCommand.h"

#include "cmList.h"

#include "cmListFileCache.h"

#include "cmMakefile.h"

#include "cmMessageType.h"

#include "cmPolicies.h"

#include "cmStringAlgorithms.h"

#include "cmTarget.h"

#include "cmTargetPropCommandBase.h"

namespace {

class TargetCompileOptionsImpl : public cmTargetPropCommandBase

{

public:

  using cmTargetPropCommandBase::cmTargetPropCommandBase;

private:

  void HandleMissingTarget(std::string const& name) override

  {

    this->Makefile->IssueMessage(

      MessageType::FATAL_ERROR,

      cmStrCat("Cannot specify compile options for target \"", name,

               "\" which is not built by this project."));

  }

  bool HandleDirectContent(cmTarget* tgt,

                           std::vector<std::string> const& content,

                           bool prepend, bool /*system*/) override

  {

    cmPolicies::PolicyStatus policyStatus =

      this->Makefile->GetPolicyStatus(cmPolicies::CMP0101);

    if (policyStatus == cmPolicies::OLD || policyStatus == cmPolicies::WARN) {

      prepend = false;

    }

    cmListFileBacktrace lfbt = this->Makefile->GetBacktrace();

    tgt->InsertCompileOption(BT<std::string>(this->Join(content), lfbt),

                             prepend);

    return true; // Successfully handled.

  }

  std::string Join(std::vector<std::string> const& content) override

  {

    return cmList::to_string(content);

  }

};

} // namespace

bool cmTargetCompileOptionsCommand(std::vector<std::string> const& args,

                                   cmExecutionStatus& status)

{

  return TargetCompileOptionsImpl(status).HandleArguments(

    args, "COMPILE_OPTIONS", TargetCompileOptionsImpl::PROCESS_BEFORE);

}