diff options
Diffstat (limited to 'parsing/linenum.mll')
-rw-r--r-- | parsing/linenum.mll | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/parsing/linenum.mll b/parsing/linenum.mll deleted file mode 100644 index 1844d361f..000000000 --- a/parsing/linenum.mll +++ /dev/null @@ -1,74 +0,0 @@ -(***********************************************************************) -(* *) -(* OCaml *) -(* *) -(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *) -(* *) -(* Copyright 1997 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. *) -(* *) -(***********************************************************************) - -(* $Id$ *) - -(* An auxiliary lexer for determining the line number corresponding to - a file position, honoring the directives # linenum "filename" *) - -{ -let filename = ref "" -let linenum = ref 0 -let linebeg = ref 0 - -let parse_sharp_line s = - try - (* Update the line number and file name *) - let l1 = ref 0 in - while let c = s.[!l1] in c < '0' || c > '9' do incr l1 done; - let l2 = ref (!l1 + 1) in - while let c = s.[!l2] in c >= '0' && c <= '9' do incr l2 done; - linenum := int_of_string(String.sub s !l1 (!l2 - !l1)); - let f1 = ref (!l2 + 1) in - while !f1 < String.length s && s.[!f1] <> '"' do incr f1 done; - let f2 = ref (!f1 + 1) in - while !f2 < String.length s && s.[!f2] <> '"' do incr f2 done; - if !f1 < String.length s then - filename := String.sub s (!f1 + 1) (!f2 - !f1 - 1) - with Failure _ | Invalid_argument _ -> - Misc.fatal_error "Linenum.parse_sharp_line" -} - -rule skip_line = parse - "#" [' ' '\t']* ['0'-'9']+ [' ' '\t']* - ("\"" [^ '\n' '\r' '"' (* '"' *) ] * "\"")? - [^ '\n' '\r'] * - ('\n' | '\r' | "\r\n") - { parse_sharp_line(Lexing.lexeme lexbuf); - linebeg := Lexing.lexeme_start lexbuf; - Lexing.lexeme_end lexbuf } - | [^ '\n' '\r'] * - ('\n' | '\r' | "\r\n") - { incr linenum; - linebeg := Lexing.lexeme_start lexbuf; - Lexing.lexeme_end lexbuf } - | [^ '\n' '\r'] * eof - { incr linenum; - linebeg := Lexing.lexeme_start lexbuf; - raise End_of_file } - -{ - -let for_position file loc = - let ic = open_in_bin file in - let lb = Lexing.from_channel ic in - filename := file; - linenum := 1; - linebeg := 0; - begin try - while skip_line lb <= loc do () done - with End_of_file -> () - end; - close_in ic; - (!filename, !linenum - 1, !linebeg) - -} |