ocaml/ocamldoc/odoc_parser.mly

157 lines
3.9 KiB
OCaml

%{
(***********************************************************************)
(* OCamldoc *)
(* *)
(* Maxence Guesdon, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 2001 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the Q Public License version 1.0. *)
(* *)
(***********************************************************************)
open Odoc_types
open Odoc_comments_global
let uppercase = "[A-Z\192-\214\216-\222]"
let identchar =
"[A-Za-z_\192-\214\216-\246\248-\255'0-9]"
let blank = "[ \010\013\009\012]"
let print_DEBUG s = print_string s; print_newline ()
%}
%token <string * (string option)> Description
%token <string> See_url
%token <string> See_file
%token <string> See_doc
%token T_PARAM
%token T_AUTHOR
%token T_VERSION
%token T_SEE
%token T_SINCE
%token T_DEPRECATED
%token T_RAISES
%token T_RETURN
%token <string> T_CUSTOM
%token EOF
%token <string> Desc
/* Start Symbols */
%start main info_part2 see_info
%type <(string * (string option)) option> main
%type <unit> info_part2
%type <Odoc_types.see_ref * string> see_info
%%
see_info:
see_ref Desc { ($1, $2) }
;
see_ref:
See_url { Odoc_types.See_url $1 }
| See_file { Odoc_types.See_file $1 }
| See_doc { Odoc_types.See_doc $1 }
;
main:
Description { Some $1 }
| EOF { None }
;
info_part2:
element_list EOF { () }
;
element_list:
element { () }
| element element_list { () }
;
element:
| param { () }
| author { () }
| version { () }
| see { () }
| since { () }
| deprecated { () }
| raise_exc { () }
| return { () }
| custom { () }
;
param:
T_PARAM Desc
{
(* isolate the identificator *)
(* we only look for simple id, no pattern nor tuples *)
let s = $2 in
match Str.split (Str.regexp (blank^"+")) s with
[]
| _ :: [] ->
raise (Failure "usage: @param id description")
| id :: _ ->
print_DEBUG ("Identificator "^id);
let reg = identchar^"+" in
print_DEBUG ("reg="^reg);
if Str.string_match (Str.regexp reg) id 0 then
let remain = String.sub s (String.length id) ((String.length s) - (String.length id)) in
print_DEBUG ("T_PARAM Desc remain="^remain);
let remain2 = Str.replace_first (Str.regexp ("^"^blank^"+")) "" remain in
params := !params @ [(id, remain2)]
else
raise (Failure (id^" is not a valid parameter identificator in \"@param "^s^"\""))
}
;
author:
T_AUTHOR Desc { authors := !authors @ [ $2 ] }
;
version:
T_VERSION Desc { version := Some $2 }
;
see:
T_SEE Desc { sees := !sees @ [$2] }
;
since:
T_SINCE Desc { since := Some $2 }
;
deprecated:
T_DEPRECATED Desc { deprecated := Some $2 }
;
raise_exc:
T_RAISES Desc
{
(* isolate the exception construtor name *)
let s = $2 in
match Str.split (Str.regexp (blank^"+")) s with
[]
| _ :: [] ->
raise (Failure "usage: @raise Exception description")
| id :: _ ->
print_DEBUG ("exception "^id);
let reg = uppercase^identchar^"*"^"\\(\\."^uppercase^identchar^"*\\)*" in
print_DEBUG ("reg="^reg);
if Str.string_match (Str.regexp reg) id 0 then
let remain = String.sub s (String.length id) ((String.length s) - (String.length id)) in
let remain2 = Str.replace_first (Str.regexp ("^"^blank^"+")) "" remain in
raised_exceptions := !raised_exceptions @ [(id, remain2)]
else
raise (Failure (id^" is not a valid exception constructor in \"@raise "^s^"\""))
}
;
return:
T_RETURN Desc { return_value := Some $2 }
;
custom:
T_CUSTOM Desc { customs := !customs @ [($1, $2)] }
;
%%