ocaml/ocamldoc/odoc_see_lexer.mll

101 lines
2.1 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. *)
(* *)
(***********************************************************************)
let print_DEBUG2 s = print_string s ; print_newline ()
(** the lexer for special comments. *)
open Lexing
open Odoc_parser
let buf = Buffer.create 32
}
rule main = parse
[' ' '\013' '\009' '\012'] +
{
print_DEBUG2 "[' ' '\013' '\009' '\012'] +";
main lexbuf
}
| [ '\010' ]
{
print_DEBUG2 " [ '\010' ] ";
main lexbuf
}
| "<"
{
print_DEBUG2 "call url lexbuf" ;
url lexbuf
}
| "\""
{
print_DEBUG2 "call doc lexbuf" ;
doc lexbuf
}
| '\''
{
print_DEBUG2 "call file lexbuf" ;
file lexbuf
}
| eof
{
print_DEBUG2 "EOF";
EOF
}
| _
{
Buffer.reset buf ;
Buffer.add_string buf (Lexing.lexeme lexbuf);
desc lexbuf
}
and url = parse
| ([^'>'] | '\n')+">"
{
let s = Lexing.lexeme lexbuf in
print_DEBUG2 ("([^'>'] | '\n')+ \">\" with "^s) ;
See_url (String.sub s 0 ((String.length s) -1))
}
and doc = parse
| ([^'"'] | '\n' | "\\'")* "\""
{
let s = Lexing.lexeme lexbuf in
See_doc (String.sub s 0 ((String.length s) -1))
}
and file = parse
| ([^'\''] | '\n' | "\\\"")* "'"
{
let s = Lexing.lexeme lexbuf in
See_file (String.sub s 0 ((String.length s) -1))
}
and desc = parse
eof
{ Desc (Buffer.contents buf) }
| _
{
Buffer.add_string buf (Lexing.lexeme lexbuf);
desc lexbuf
}