77 lines
2.3 KiB
OCaml
77 lines
2.3 KiB
OCaml
(** 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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and qualname = { qual: string; name: string }
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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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type module_name = name
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let local_qualname = "$$%local_current_illegal_module_name%$$"
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let local_qn name = { qual = local_qualname; 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 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 QualSet = Set.Make (struct type t = qualname let compare = compare end)
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module S = Set.Make (struct type t = string let compare = compare end)
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let shortname { name = n; } = n
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let fullname { qual = qual; name = n; } = qual ^ "." ^ n
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let qualname_of_string s =
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try
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let ind = String.index s '.' in
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if ind = 0 || ind = String.length s - 1
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then invalid_arg "mk_longname: ill-formed identifier";
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let n = String.sub s (ind + 1) (String.length s - ind - 1) in
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{ qual = String.sub s 0 ind; name = n; }
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with Not_found -> { qual = ""; name = s }
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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 (match String.get s 0 with
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| 'a' .. 'z' | 'A' .. 'Z' | '_' | '`' -> false
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| _ -> true)
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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 ^ " )") (* do not remove the space around n, since for example
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"(*" would create bugs *)
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else n
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in fprintf ff "%s" n
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let print_raw_qualname ff {qual = q; name = n} =
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fprintf ff "%s.%a" q print_name n
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let opname qn = match qn with
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| { qual = "Pervasives"; name = m; } -> m
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| { qual = qual; name = n; } -> qual ^ "." ^ n
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