| 1 | (* HCoop Domtool (http://hcoop.sourceforge.net/) |
| 2 | * Copyright (c) 2006, Adam Chlipala |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; either version 2 |
| 7 | * of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | *) |
| 18 | |
| 19 | (* Domtool type-checking and reduction environments *) |
| 20 | |
| 21 | signature ENV = sig |
| 22 | |
| 23 | type typeRule = Ast.exp -> bool |
| 24 | val registerType : string * typeRule -> unit |
| 25 | val typeRule : string -> typeRule option |
| 26 | |
| 27 | type env_vars = Ast.exp Ast.StringMap.map |
| 28 | type action = env_vars * Ast.exp list -> env_vars |
| 29 | val registerAction : string * action -> unit |
| 30 | val action : string -> action option |
| 31 | |
| 32 | val registerContainer : string * action * (unit -> unit) -> unit |
| 33 | val container : string -> (action * (unit -> unit)) option |
| 34 | |
| 35 | (* Actions to take before and after evaluating a file *) |
| 36 | val registerPre : (unit -> unit) -> unit |
| 37 | val pre : unit -> unit |
| 38 | val registerPost : (unit -> unit) -> unit |
| 39 | val post : unit -> unit |
| 40 | |
| 41 | (* ...and before type-checking *) |
| 42 | val registerPreTycheck : (unit -> unit) -> unit |
| 43 | val preTycheck : unit -> unit |
| 44 | |
| 45 | val badArgs : string * Ast.exp list -> 'a |
| 46 | val badArg : string * string * Ast.exp -> 'a |
| 47 | |
| 48 | type 'a arg = Ast.exp -> 'a option |
| 49 | |
| 50 | val int : int arg |
| 51 | val string : string arg |
| 52 | val bool : bool arg |
| 53 | val list : 'a arg -> 'a list arg |
| 54 | |
| 55 | val none : string -> (unit -> unit) -> action |
| 56 | val one : string -> string * 'a arg -> ('a -> unit) -> action |
| 57 | val two : string -> string * 'a arg * string * 'b arg -> ('a * 'b -> unit) -> action |
| 58 | val three : string |
| 59 | -> string * 'a arg * string * 'b arg * string * 'c arg |
| 60 | -> ('a * 'b * 'c -> unit) -> action |
| 61 | |
| 62 | val oneV : string -> string * 'a arg -> (env_vars * 'a -> unit) -> action |
| 63 | val twoV : string -> string * 'a arg * string * 'b arg -> (env_vars * 'a * 'b -> unit) -> action |
| 64 | |
| 65 | val env : 'a arg -> env_vars * string -> 'a |
| 66 | |
| 67 | val type_one : string -> 'a arg -> ('a -> bool) -> unit |
| 68 | |
| 69 | val action_none : string -> (unit -> unit) -> unit |
| 70 | val action_one : string -> string * 'a arg -> ('a -> unit) -> unit |
| 71 | val action_two : string -> string * 'a arg * string * 'b arg -> ('a * 'b -> unit) -> unit |
| 72 | val action_three : string |
| 73 | -> string * 'a arg * string * 'b arg * string * 'c arg |
| 74 | -> ('a * 'b * 'c -> unit) -> unit |
| 75 | |
| 76 | val actionV_none : string -> (env_vars -> unit) -> unit |
| 77 | val actionV_one : string -> string * 'a arg -> (env_vars * 'a -> unit) -> unit |
| 78 | val actionV_two : string -> string * 'a arg * string * 'b arg -> (env_vars * 'a * 'b -> unit) -> unit |
| 79 | |
| 80 | val container_none : string -> (unit -> unit) * (unit -> unit) -> unit |
| 81 | val container_one : string -> string * 'a arg -> ('a -> unit) * (unit -> unit) -> unit |
| 82 | |
| 83 | val containerV_one : string -> string * 'a arg -> (env_vars * 'a -> unit) * (unit -> unit) -> unit |
| 84 | |
| 85 | val registerFunction : string * (Ast.exp list -> Ast.exp option) -> unit |
| 86 | val function : string -> (Ast.exp list -> Ast.exp option) option |
| 87 | |
| 88 | type env |
| 89 | val empty : env |
| 90 | |
| 91 | val bindType : env -> string -> env |
| 92 | val bindVal : env -> string * Ast.typ * Ast.exp option -> env |
| 93 | val bindContext : env -> string -> env |
| 94 | |
| 95 | val lookupType : env -> string -> bool |
| 96 | val lookupVal : env -> string -> Ast.typ option |
| 97 | val lookupEquation : env -> string -> Ast.exp option |
| 98 | val lookupContext : env -> string -> bool |
| 99 | |
| 100 | val types : env -> Ast.StringSet.set |
| 101 | val vals : env -> Ast.StringSet.set |
| 102 | val contexts : env -> Ast.StringSet.set |
| 103 | end |