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/* 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 <sstream>
#include <utility>

#include "cmExecutionStatus.h"
#include "cmMakefile.h"
#include "cmMessageType.h"

bool cmFunctionBlocker::IsFunctionBlocked(const cmListFileFunction& lff,
                                          cmExecutionStatus& status)
{
  if (lff.Name.Lower == this->StartCommandName()) {
    this->ScopeDepth++;
  } else if (lff.Name.Lower == 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;
}