Method Matches

Source/cmSourceFileLocation.cxx:175–248

}

bool cmSourceFileLocation::Matches(cmSourceFileLocation const& loc)
{
  assert(this->Makefile);
  if (this->AmbiguousExtension == loc.AmbiguousExtension) {
    // Both extensions are similarly ambiguous.  Since only the old fixed set
    // of extensions will be tried, the names must match at this point to be
    // the same file.
    if (this->Name.size() != loc.Name.size() ||
        !cmSystemTools::ComparePath(this->Name, loc.Name)) {
      return false;
    }
  } else {
    cmSourceFileLocation const* loc1;
    cmSourceFileLocation const* loc2;
    if (this->AmbiguousExtension) {
      // Only "this" extension is ambiguous.
      loc1 = &loc;
      loc2 = this;
    } else {
      // Only "loc" extension is ambiguous.
      loc1 = this;
      loc2 = &loc;
    }
    if (!loc1->MatchesAmbiguousExtension(*loc2)) {
      return false;
    }
  }

  if (!this->AmbiguousDirectory && !loc.AmbiguousDirectory) {
    // Both sides have absolute directories.
    if (this->Directory != loc.Directory) {
      return false;
    }
  } else if (this->AmbiguousDirectory && loc.AmbiguousDirectory) {
    if (this->Makefile == loc.Makefile) {
      // Both sides have directories relative to the same location.
      if (this->Directory != loc.Directory) {
        return false;
      }
    } else {
      // Each side has a directory relative to a different location.
      // This can occur when referencing a source file from a different
      // directory.  This is not yet allowed.
      this->Makefile->IssueMessage(
        MessageType::INTERNAL_ERROR,
        "Matches error: Each side has a directory relative to a different "
        "location. This can occur when referencing a source file from a "
        "different directory.  This is not yet allowed.");
      return false;
    }
  } else if (this->AmbiguousDirectory) {
    // Compare possible directory combinations.
    std::string const srcDir = cmSystemTools::CollapseFullPath(
      this->Directory, this->Makefile->GetCurrentSourceDirectory());
    std::string const binDir = cmSystemTools::CollapseFullPath(
      this->Directory, this->Makefile->GetCurrentBinaryDirectory());
    if (srcDir != loc.Directory && binDir != loc.Directory) {
      return false;