X-Git-Url: https://git.hcoop.net/hcoop/domtool2.git/blobdiff_plain/42198578566be256bbdebf22757f41edef4aa6ee..a22c187b7b983dad6b0e2c34cd0ab74e95c2411b:/src/ast.sml

diff --git a/src/ast.sml b/src/ast.sml
index 3fdc22f..6ee4b7b 100644
--- a/src/ast.sml
+++ b/src/ast.sml
@@ -61,11 +61,15 @@ datatype exp' =
 
        | ELam of string * typ * exp
        (* Function abstraction *)
+       | EVar of string
+       (* Variable bound by a function *)
        | EApp of exp * exp
        (* Function application *)
 
        | ESet of string * exp
        (* Set an environment variable *)
+       | EEnv of string
+       (* Get an environment variable *)
        | ESeq of exp list
        (* Monad sequencer; execute a number of commands in order *)
        | ELocal of exp