new sample grammar

8 years ago · c5a1126754
parent 3bc9fc3173
commit c5a1126754
1 changed files with 7 additions and 0 deletions
--- a/brag/brag/examples/add-mult.rkt
+++ b/brag/brag/examples/add-mult.rkt
@ -0,0 +1,7 @@
+#lang brag
+
+expr : term (/'+' term)*
+@term : factor (/'*' @factor)*
+factor : ("0" | "1" | "2" | "3"
+       |  "4" | "5" | "6" | "7"
+       | "8" | "9")+