Add grmtools section to calc_manual_lex example.

Author: ratmice

lrlex/examples/calc_manual_lex/build.rs

@@ -1,4 +1,3 @@
-use cfgrammar::yacc::YaccKind;
 use lrlex::{ct_token_map, DefaultLexerTypes};
 use lrpar::CTParserBuilder;
 
@@ -13,7 +12,6 @@ const TOKENS_MAP: &[(&str, &str)] = &[
 
 fn main() {
     let ctp = CTParserBuilder::<DefaultLexerTypes<u8>>::new()
-        .yacckind(YaccKind::Grmtools)
         .grammar_in_src_dir("calc.y")
         .unwrap()
         .build()

lrlex/examples/calc_manual_lex/src/calc.y

@@ -1,3 +1,4 @@
+%grmtools{yacckind Grmtools}
 %start Expr
 %avoid_insert "INT"
 %expect-unused Unmatched "UNMATCHED"