text: /* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
     file Copyright.txt or https://cmake.org/licensing for details.  */
  #include "cmFunctionBlocker.h"
  
  #include <cassert>
  #include <memory> // IWYU pragma: keep
  #include <sstream>
  #include <string> // IWYU pragma: keep
  #include <utility>
  
  #include "cmExecutionStatus.h"
  #include "cmMakefile.h"
  #include "cmMessageType.h"
  
  bool cmFunctionBlocker::IsFunctionBlocked(const cmListFileFunction& lff,
                                            cmExecutionStatus& status)
  {
    if (lff.LowerCaseName() == this->StartCommandName()) {
      this->ScopeDepth++;
    } else if (lff.LowerCaseName() == this->EndCommandName()) {
      this->ScopeDepth--;
      if (this->ScopeDepth == 0U) {
        cmMakefile& mf = status.GetMakefile();
        auto self = mf.RemoveFunctionBlocker();
        assert(self.get() == this);
  
        if (!this->ArgumentsMatch(lff, mf)) {
          cmListFileContext const& lfc = this->GetStartingContext();
          cmListFileContext closingContext =
            cmListFileContext::FromCommandContext(lff, lfc.FilePath);
          std::ostringstream e;
          /* clang-format off */
          e << "A logical block opening on the line\n"
            << "  " << lfc << "\n"
            << "closes on the line\n"
            << "  " << closingContext << "\n"
            << "with mis-matching arguments.";
          /* clang-format on */
          mf.IssueMessage(MessageType::AUTHOR_WARNING, e.str());
        }
  
        return this->Replay(std::move(this->Functions), status);
      }
    }
  
    this->Functions.push_back(lff);
    return true;
  }
  