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(****************************************************************************)
(* the diy toolsuite *)
(* *)
(* Jade Alglave, University College London, UK. *)
(* Luc Maranget, INRIA Paris-Rocquencourt, France. *)
(* *)
(* Copyright 2013-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. *)
(****************************************************************************)
{
module Make(O:LexUtils.Config) = struct
open Lexing
open LexMisc
open LISAParser
module Bell = BellBase
module LU = LexUtils.Make(O)
}
let digit = [ '0'-'9' ]
let alpha = [ 'a'-'z' 'A'-'Z']
let name = alpha (alpha|digit|'_' | '/' | '-')*
let num = "0x"?digit+
rule token = parse
| [' ''\t''\r'] { token lexbuf }
| '\n' { incr_lineno lexbuf; token lexbuf }
| "(*" { LU.skip_comment lexbuf ; token lexbuf }
| '-' ? num as x { NUM (int_of_string x) }
| 'P' (num as x)
{ PROC (int_of_string x) }
| ';' { SEMI }
| ',' { COMMA }
| '|' { PIPE }
| ':' { COLON }
| '(' { LPAR }
| ')' { RPAR }
| ']' { RBRAC }
| '[' { LBRAC }
| '{' { LBRACE }
| '}' { RBRACE }
| '+' { PLUS }
| 'r' { READ }
| 'w' { WRITE }
| "f" { FENCE }
| "call" { CALL }
| "rmw" { RMW }
| "mov" { MOV }
| "add" { ADD }
| "and" { AND }
| "xor" { XOR }
| "b" { BRANCH }
| "eq" { EQ }
| "ne"|"neq" { NEQ }
| "scopes" { SCOPES }
| "levels" { LEVELS }
| "regions" { REGIONS }
| "codevar:" (name as x) { CODEVAR x }
| '&' (name as x) { META x }
| '%' (name as x) { SYMB_REG (BellBase.Symbolic_reg x) }
| name as x
{
match Bell.parse_reg x with
| Some r -> REG r
| None -> NAME x
}
| eof { EOF }
| "" { error "Bell lexer" lexbuf }
{
let token lexbuf =
let tok = token lexbuf in
if O.debug then begin
Printf.eprintf
"%a: Lexed '%s'\n"
Pos.pp_pos2
(lexeme_start_p lexbuf,lexeme_end_p lexbuf)
(lexeme lexbuf)
end ;
tok
end
}
|
