added nil, true, false literals to the parser!

2023-12-02 17:04:14 -05:00 · 2023-12-02 17:04:14 -05:00 · 1da782920e
parent 333b8e7450
commit 1da782920e
1 changed files with 3 additions and 0 deletions
--- a/lib/syntax/parser.mly
+++ b/lib/syntax/parser.mly
@ -54,6 +54,9 @@ infixexp:
  | e1 = infixexp; op = Binop; e2 = singleexp { infix_app e1 op e2 }

 singleexp:
+  | "nil" { Literal Nil }
+  | "true" { Literal True }
+  | "false" { Literal False }
  | i = Int { Literal (Int i) }
  | p = path { Path p }
  | f = path; a = args { Call (f, a) }