Source/cmFunctionBlocker.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 "cmFunctionBlocker.h"
   4
   5 #include <cassert>
   6 #include <memory> // IWYU pragma: keep
   7 #include <sstream>
   8 #include <string> // IWYU pragma: keep
   9 #include <utility>
  10
  11 #include "cmExecutionStatus.h"
  12 #include "cmMakefile.h"
  13 #include "cmMessageType.h"
  14
  15 bool cmFunctionBlocker::IsFunctionBlocked(const cmListFileFunction& lff,
  16                                           cmExecutionStatus& status)
  17 {
  18   if (lff.LowerCaseName() == this->StartCommandName()) {
  19     this->ScopeDepth++;
  20   } else if (lff.LowerCaseName() == this->EndCommandName()) {
  21     this->ScopeDepth--;
  22     if (this->ScopeDepth == 0U) {
  23       cmMakefile& mf = status.GetMakefile();
  24       auto self = mf.RemoveFunctionBlocker();
  25       assert(self.get() == this);
  26
  27       cmListFileContext const& lfc = this->GetStartingContext();
  28       cmListFileContext closingContext =
  29         cmListFileContext::FromListFileFunction(lff, lfc.FilePath);
  30       if (this->EndCommandSupportsArguments() &&
  31           !this->ArgumentsMatch(lff, mf)) {
  32         std::ostringstream e;
  33         /* clang-format off */
  34         e << "A logical block opening on the line\n"
  35           << "  " << lfc << "\n"
  36           << "closes on the line\n"
  37           << "  " << closingContext << "\n"
  38           << "with mis-matching arguments.";
  39         /* clang-format on */
  40         mf.IssueMessage(MessageType::AUTHOR_WARNING, e.str());
  41       } else if (!this->EndCommandSupportsArguments() &&
  42                  !lff.Arguments().empty()) {
  43         std::ostringstream e;
  44         /* clang-format off */
  45         e << "A logical block closing on the line\n"
  46           "  " << closingContext << "\n"
  47           "has unexpected arguments.";
  48         /* clang-format on */
  49         mf.IssueMessage(MessageType::AUTHOR_WARNING, e.str());
  50       }
  51
  52       return this->Replay(std::move(this->Functions), status);
  53     }
  54   }
  55
  56   this->Functions.push_back(lff);
  57   return true;
  58 }