mod_rewrite and ProxyPass

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

diff --git a/src/env.sig b/src/env.sig
index cc68b53..31e6691 100644 (file)
--- a/src/env.sig
+++ b/src/env.sig
@@ -14,20 +14,87 @@
  * 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
+
+    (* Actions to take before and after evaluating a file *)
+    val registerPre : (unit -> unit) -> unit
+    val pre : unit -> unit
+    val registerPost : (unit -> unit) -> unit
+    val post : unit -> unit
+
+    (* ...and before type-checking *)
+    val registerPreTycheck : (unit -> unit) -> unit
+    val preTycheck : unit -> unit
+
+    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 bool : bool arg
+    val list : 'a arg -> 'a list arg
+
+    val none : string -> (unit -> unit) -> action
+    val one : string -> string * 'a arg -> ('a -> unit) -> action
+    val two : string -> string * 'a arg * string * 'b arg -> ('a * 'b -> unit) -> action
+    val three : string
+               -> string * 'a arg * string * 'b arg * string * 'c arg
+               -> ('a * 'b * 'c -> unit) -> action
+
+    val oneV : string -> string * 'a arg -> (env_vars * 'a -> unit) -> action
+    val twoV : string -> string * 'a arg * string * 'b arg -> (env_vars * 'a * 'b -> unit) -> action
+
+    val env : 'a arg -> env_vars * string -> 'a
+
+    val type_one : string -> 'a arg -> ('a -> bool) -> unit
+
+    val action_none : string -> (unit -> unit) -> 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 action_three : string
+                      -> string * 'a arg * string * 'b arg * string * 'c arg
+                      -> ('a * 'b * 'c -> unit) -> unit
+
+    val actionV_none : string -> (env_vars -> unit) -> unit
+    val actionV_one : string -> string * 'a arg -> (env_vars * 'a -> unit) -> unit
+    val actionV_two : string -> string * 'a arg * string * 'b arg -> (env_vars * 'a * 'b -> unit) -> unit
+
+    val container_none : string -> (unit -> unit) * (unit -> unit) -> unit
+    val container_one : string -> string * 'a arg -> ('a -> unit) * (unit -> unit) -> unit
+
+    val containerV_one : string -> string * 'a arg -> (env_vars * 'a -> unit) * (unit -> unit) -> unit
+
     type env
     val empty : env
 
     val bindType : env -> string -> env
     val bindVal : env -> string * Ast.typ * Ast.exp option -> env
+    val bindContext : env -> string -> env
 
     val lookupType : env -> string -> bool
     val lookupVal : env -> string -> Ast.typ option
     val lookupEquation : env -> string -> Ast.exp option
+    val lookupContext : env -> string -> bool
 
+    val types : env -> Ast.StringSet.set
+    val vals : env -> Ast.StringSet.set
+    val contexts : env -> Ast.StringSet.set
 end