Add grammar of language to repo

Preliminary, work in progress
2015-07-21 03:32:16 -07:00
parent 9f4330889a
commit 1e9cd551a6
1 changed files with 21 additions and 0 deletions
--- a/21
+++ b/21
@@ -0,0 +1,21 @@
+
+
+<program> := <statements> EOF
+
+<statements> := <statement> 
+             |  <statement> SEP <statements>
+
+<statement> := let <id> = <expr>
+            |  <expr>
+
+<expr> := if <expr> then <statements> end
+       |  if <expr> then <statements> else <statements> end
+       |  while <expr> SEP <statements> end
+       |  <binexpr>
+       |  <number>
+       |  <id>
+
+
+<binexpr> :=
+
+