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[hcoop/domtool2.git] / src / env.sig

diff --git a/src/env.sig b/src/env.sig
index cc68b53..adbf0b4 100644 (file)
--- a/src/env.sig
+++ b/src/env.sig
@@ -14,12 +14,43 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-*)
+ *)
 
 (* Domtool type-checking and reduction environments *)
 
 signature ENV = sig
 
+    type typeRule = Ast.exp -> bool
+    val registerType : string * typeRule -> unit
+    val typeRule : string -> typeRule option
+
+    type env_vars = Ast.exp Ast.StringMap.map
+    type action = env_vars * Ast.exp list -> env_vars
+    val registerAction : string * action -> unit
+    val action : string -> action option
+
+    val registerContainer : string * action * (unit -> unit) -> unit
+    val container : string -> (action * (unit -> unit)) option
+
+    val badArgs : string * Ast.exp list -> 'a
+    val badArg : string * string * Ast.exp -> 'a
+
+    type 'a arg = Ast.exp -> 'a option
+
+    val int : int arg
+    val string : string arg
+    val list : 'a arg -> 'a list arg
+
+    val one : string -> string * 'a arg -> ('a -> unit) -> action
+    val two : string -> string * 'a arg * string * 'b arg -> ('a * 'b -> unit) -> action
+
+    val type_one : string -> 'a arg -> ('a -> bool) -> unit
+
+    val action_one : string -> string * 'a arg -> ('a -> unit) -> unit
+    val action_two : string -> string * 'a arg * string * 'b arg -> ('a * 'b -> unit) -> unit
+
+    val container_one : string -> string * 'a arg -> ('a -> unit) * (unit -> unit) -> unit
+
     type env
     val empty : env