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133 lines
5.0 KiB
OCaml
133 lines
5.0 KiB
OCaml
(***********************************************************************)
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(* *)
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(* Heptagon *)
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(* *)
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(* Gwenael Delaval, LIG/INRIA, UJF *)
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(* Leonard Gerard, Parkas, ENS *)
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(* Adrien Guatto, Parkas, ENS *)
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(* Cedric Pasteur, Parkas, ENS *)
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(* *)
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(* Copyright 2012 ENS, INRIA, UJF *)
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(* *)
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(* This file is part of the Heptagon compiler. *)
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(* *)
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(* Heptagon is free software: you can redistribute it and/or modify it *)
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(* under the terms of the GNU General Public License as published by *)
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(* the Free Software Foundation, either version 3 of the License, or *)
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(* (at your option) any later version. *)
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(* *)
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(* Heptagon is distributed in the hope that it will be useful, *)
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(* but WITHOUT ANY WARRANTY; without even the implied warranty of *)
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(* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *)
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(* GNU General Public License for more details. *)
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(* *)
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(* You should have received a copy of the GNU General Public License *)
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(* along with Heptagon. If not, see <http://www.gnu.org/licenses/> *)
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(* *)
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(***********************************************************************)
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(** Define qualified names "Module.name" (longname)
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[shortname] longname -> name
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[fullname] longname -> Module.name *)
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type name = string
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type module_name = name
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type modul =
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| Pervasives
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| LocalModule
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| Module of module_name
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| QualModule of qualname
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and qualname = { qual: modul; name: name }
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type type_name = qualname
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type fun_name = qualname
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type field_name = qualname
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type constructor_name = qualname
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type constant_name = qualname
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let pervasives_qn name = { qual = Pervasives; name = name }
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let local_qn name = { qual = LocalModule; name = name }
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module NamesEnv = struct
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include (Map.Make(struct type t = name let compare = compare end))
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let append env0 env = fold (fun key v env -> add key v env) env0 env
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end
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module ModulEnv = struct
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include (Map.Make(struct type t = modul let compare = compare end))
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let append env0 env = fold (fun key v env -> add key v env) env0 env
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end
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module QualEnv = struct
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include (Map.Make(struct type t = qualname let compare = compare end))
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(** [append env' env] appends env' to env *)
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let append env' env = fold (fun key v env -> add key v env) env' env
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end
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module NamesSet = Set.Make (struct type t = string let compare = compare end)
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module QualSet = Set.Make (struct type t = qualname let compare = compare end)
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module ModulSet = Set.Make (struct type t = modul let compare = compare end)
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let shortname { name = n; } = n
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let modul { qual = m; } = m
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let rec modul_to_string m = match m with
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| Pervasives -> "Pervasives"
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| LocalModule -> "#$%@#_LOCAL_MODULE"
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| Module n -> n
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| QualModule {qual = q; name = n} -> (modul_to_string q) ^"."^ n
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let fullname {qual = q; name = n} = modul_to_string q ^ "." ^ n
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let rec modul_of_string_list = function
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| [] -> LocalModule
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| ["Pervasives"] -> Pervasives
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| [q] -> Module q
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| q::q_l -> QualModule {qual = modul_of_string_list q_l; name = q}
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let qualname_of_string s =
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let q_l_n = Misc.split_string s "." in
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match List.rev q_l_n with
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| [] -> Misc.internal_error "Names"
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| n::q_l -> { qual = modul_of_string_list q_l; name = n }
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let modul_of_string s =
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let q_l = Misc.split_string s "." in
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modul_of_string_list (List.rev q_l)
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(** Are infix
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[or], [quo], [mod], [land], [lor], [lxor], [lsl], [lsr], [asr]
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and every names not beginning with 'a' .. 'z' | 'A' .. 'Z' | '_' | '`'*)
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let is_infix s =
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let module StrSet = Set.Make(String) in
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let infix_set =
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List.fold_right StrSet.add
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["or"; "quo"; "mod"; "land"; "lor"; "lxor"; "lsl"; "lsr"; "asr"]
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StrSet.empty in
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if StrSet.mem s infix_set then true
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else begin
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try match String.get s 0 with
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| 'a' .. 'z' | 'A' .. 'Z' | '_' | '`' | '~' -> false
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| _ -> true
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with Invalid_argument _ -> (* empty string *) false
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end
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open Format
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let print_name ff n =
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let n = if is_infix n
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then "(" ^ (n ^ ")") (* printers should have a special case to print '*' infix *)
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else n
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in fprintf ff "%s" n
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(** Use a printer to generate a string compatible with a name *)
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let print_pp_to_name p x =
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Misc.sanitize_string (Misc.print_pp_to_string p x)
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