src/Pure/Tools/update_semicolons.scala
author wenzelm
Wed Nov 26 20:05:34 2014 +0100 (2014-11-26)
changeset 59058 a78612c67ec0
parent 58861 5ff61774df11
child 59083 88b0b1f28adc
permissions -rw-r--r--
renamed "pairself" to "apply2", in accordance to @{apply 2};
     1 /*  Title:      Pure/Tools/update_semicolons.scala
     2     Author:     Makarius
     3 
     4 Remove obsolete semicolons from theory sources.
     5 */
     6 
     7 package isabelle
     8 
     9 
    10 object Update_Semicolons
    11 {
    12   def update_semicolons(path: Path)
    13   {
    14     val text0 = File.read(path)
    15     val text1 =
    16       (for (tok <- Outer_Syntax.empty.scan(text0).iterator if tok.source != ";")
    17         yield tok.source).mkString
    18 
    19     if (text0 != text1) {
    20       Output.writeln("changing " + path)
    21       File.write_backup2(path, text1)
    22     }
    23   }
    24 
    25 
    26   /* command line entry point */
    27 
    28   def main(args: Array[String])
    29   {
    30     Command_Line.tool0 {
    31       args.foreach(arg => update_semicolons(Path.explode(arg)))
    32     }
    33   }
    34 }