2 files changed, 42 insertions, 0 deletions

diff --git a/bnftest b/bnftest
new file mode 100644
index 0000000..7e61b1a
--- /dev/null
+++ b/bnftest
@@ -0,0 +1,18 @@
+tokens = tokPlus tokMinus tokMult tokDivide tokOpenParen tokCloseParen
+        tokEquals tokNumber;
+
+input: input line
+         |
+         ;
+         
+line: expr tokEquals {print}
+        ;
+
+expr: expr tokPlus expr {add}
+        | expr tokMinus expr {subtract}
+        | expr tokMult expr {multiply}
+        | expr tokDivide expr {divide}
+        | tokOpenParen expr tokCloseParen
+        | [tokNumber]
+        ;
+
diff --git a/bnftest.2 b/bnftest.2
new file mode 100644
index 0000000..229943b
--- /dev/null
+++ b/bnftest.2
@@ -0,0 +1,24 @@
+tokens = tokPlus tokMinus tokMult tokDivide tokOpenParen tokCloseParen
+        tokEquals tokNumber;
+
+input: line input#
+     |
+         ;
+
+input#: line input#
+      |
+          ;
+
+line: expr tokEquals {print}
+        ;
+
+expr: tokOpenParen expr tokCloseParen expr#
+        | [tokNumber] expr#
+        ;
+
+expr#: tokPlus expr {add} expr#
+     | tokMinus expr {subtract} expr#
+         | tokMult expr {multiply} expr#
+         | tokDivide expr {divide} expr#
+         |
+         ;