Evaluate `val' and `var' bindings in the environment in which they were defined

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

diff --git a/src/env.sig b/src/env.sig
index 5108bea..6668c5e 100644 (file)
--- a/src/env.sig
+++ b/src/env.sig
@@ -1,5 +1,6 @@
 (* HCoop Domtool (http://hcoop.sourceforge.net/)
  * Copyright (c) 2006, Adam Chlipala
+ * Copyright (c) 2014 Clinton Ebadi <clinton@unknownlamer.org>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -32,6 +33,16 @@ signature ENV = sig
     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
 
@@ -39,31 +50,66 @@ signature ENV = sig
 
     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 noneV : string -> (env_vars -> 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 action_four : string
+                      -> string * 'a arg * string * 'b arg * string * 'c arg * string * 'd arg
+                      -> ('a * 'b * 'c * 'd -> 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_none : string -> (env_vars -> unit) * (unit -> unit) -> unit
+    val containerV_one : string -> string * 'a arg -> (env_vars * 'a -> unit) * (unit -> unit) -> unit
+
+    val registerFunction : string * (Ast.exp list -> Ast.exp option) -> unit
+    val function : string -> (Ast.exp list -> Ast.exp option) option
+
     type env
     val empty : env
 
+    val initialDynEnvTypes : env -> Ast.typ Ast.StringMap.map
+    val initialDynEnvVals : (env -> Ast.exp -> Ast.exp) -> env -> env_vars
+
     val bindType : env -> string -> env
     val bindVal : env -> string * Ast.typ * Ast.exp option -> env
     val bindContext : env -> string -> env
+    val bindInitialDynEnvVal : env -> string * Ast.typ * Ast.exp -> env
 
     val lookupType : env -> string -> bool
     val lookupVal : env -> string -> Ast.typ option
-    val lookupEquation : env -> string -> Ast.exp option
+    val lookupEquation : env -> string -> (Ast.exp * env) option
     val lookupContext : env -> string -> bool
+    val lookupInitialDynEnvVal : env -> string -> Ast.typ option
 
     val types : env -> Ast.StringSet.set
     val vals : env -> Ast.StringSet.set
     val contexts : env -> Ast.StringSet.set
+    val dynamics : env -> Ast.StringSet.set
 end