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(****************************************************************************)
(* the diy toolsuite *)
(* *)
(* Jade Alglave, University College London, UK. *)
(* Luc Maranget, INRIA Paris-Rocquencourt, France. *)
(* *)
(* Copyright 2020-present Institut National de Recherche en Informatique et *)
(* en Automatique and the authors. All rights reserved. *)
(* *)
(* This software is governed by the CeCILL-B license under French law and *)
(* abiding by the rules of distribution of free software. You can use, *)
(* modify and/ or redistribute the software under the terms of the CeCILL-B *)
(* license as circulated by CEA, CNRS and INRIA at the following URL *)
(* "http://www.cecill.info". We also give a copy in LICENSE.txt. *)
(****************************************************************************)
(** Miscellaneous lexers *)
{
exception Error
}
let digit = ['0'-'9']
let num = ['1'-'9']digit*
let hexa_digit = (digit|['a'-'f''A'-'F'])
let hexa_num = ("0x"|"0X")hexa_digit+
let alpha = [ 'a'-'z' 'A'-'Z']
let blank = [' ' '\t' '\r']
let not_blank = [^' ''\t''\r']
let name = alpha (alpha|digit|'_' | '/' | '.' | '-')*
rule num_rule = parse
| blank* (num|hexa_num) blank* eof { true }
| "" { false }
and info_rule = parse
| (name as key) blank* '=' blank* (_* as value) blank* eof
{ let p = key,value in Some p }
| "" { None }
and infos_rule = parse
| "" { [] }
| blank+|',' { infos_rule lexbuf }
| (name as x) blank* ':' blank* (name as info)
{ (x,info)::infos_rule lexbuf }
| "" { raise Error }
and procs_rule = parse
| 'P' (digit+ as p)
{ let p = try int_of_string p with _ -> assert false in
p::procs_rule lexbuf }
| [' '',']+ { procs_rule lexbuf }
| eof { [] }
| "" { raise Error }
{
let is_num s = num_rule (Lexing.from_string s)
let info s = info_rule (Lexing.from_string s)
let infos s = infos_rule (Lexing.from_string s)
let procs s = procs_rule (Lexing.from_string s)
}
|
