Method Parse

Source/cmListFileCache.cxx:154–206

}

bool cmListFileParser::Parse()
{
  // Use a simple recursive-descent parser to process the token
  // stream.
  bool haveNewline = true;
  while (cmListFileLexer_Token* token =
           cmListFileLexer_Scan(this->Lexer.get())) {
    if (token->type == cmListFileLexer_Token_Space) {
    } else if (token->type == cmListFileLexer_Token_Newline) {
      haveNewline = true;
    } else if (token->type == cmListFileLexer_Token_CommentBracket) {
      haveNewline = false;
    } else if (token->type == cmListFileLexer_Token_Identifier) {
      if (haveNewline) {
        haveNewline = false;
        if (this->ParseFunction(cm::string_view(token->text, token->length),
                                token->line)) {
          this->ListFile->Functions.emplace_back(
            std::move(this->FunctionName), this->FunctionLine,
            this->FunctionLineEnd, std::move(this->FunctionArguments));
        } else {
          return false;
        }
      } else {
        auto error = cmStrCat(
          "Parse error.  Expected a newline, got ",
          cmListFileLexer_GetTypeAsString(this->Lexer.get(), token->type),
          " with text \"", cm::string_view(token->text, token->length), "\".");
        this->IssueError(error);
        return false;
      }
    } else {
      auto error = cmStrCat(
        "Parse error.  Expected a command name, got ",
        cmListFileLexer_GetTypeAsString(this->Lexer.get(), token->type),
        " with text \"", cm::string_view(token->text, token->length), "\".");
      this->IssueError(error);
      return false;
    }
  }

  // Check if all functions are nested properly.
  if (auto badNesting = this->CheckNesting()) {
    this->Messenger->IssueMessage(
      MessageType::FATAL_ERROR,
      "Flow control statements are not properly nested.",
      this->Backtrace.Push(*badNesting));
    cmSystemTools::SetFatalErrorOccurred();
    return false;
  }

  return true;
}

bool cmListFileParser::ParseFunction(cm::string_view name, long line)
{