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/*
 * DMNTK - Decision Model and Notation Toolkit
 *
 * FEEL grammar.
 *
 * Copyright 2018-2021 Dariusz Depta Engos Software <dariusz.depta@engos.software>
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

//! `FEEL` grammar.
//!
//! Definition of `FEEL` grammar in YACC compatible format, suitable for processing with `Bison`.

/// Holds the definition of `FEEL` grammar in YACC compatible format.
const FEEL_GRAMMAR: &str = include_str!("feel.y");

/// Returns the text of the `FEEL` grammar in YACC compatible format.
pub fn feel_grammar<'a>() -> &'a str {
  FEEL_GRAMMAR
}

#[cfg(test)]
mod tests {
  use crate::feel_grammar;

  #[test]
  fn test_feel_grammar() {
    assert_eq!(8376, feel_grammar().len());
    assert_eq!("%start feel", &feel_grammar()[715..726]);
    assert_eq!("%%\n", &feel_grammar()[8373..]);
  }
}