js-merge-helper.pl

   1 #!/bin/env perl -w
   2 use strict;
   3
   4 sub escape_c_string {
   5         shift;
   6         s/\t|\r|\n/ /g;     # convert spacings to whitespaces
   7         s/[^\/]\/\*.*?\*\///g;   # remove comments (careful: hinttags look like comment!)
   8         s/ {2,}/ /g;        # strip whitespaces
   9         s/(^|\(|\)|;|,|:|\}|\{|=|\+|\-|\*|\&|\||\<|\>|!) +/$1/g;
  10         s/ +($|\(|\)|;|,|:|\}|\{|=|\+|\-|\*|\&|\||\<|\>|!)/$1/g;
  11         s/\\/\\\\/g;        # escape backslashes
  12         s/\"/\\\"/g;        # escape quotes
  13         return $_
  14 }
  15
  16 open(JSFILE, "hinting.js") or die "Failed to open file: $!";
  17 $_ = do { local $/; <JSFILE> };
  18 close(JSFILE);
  19 my $js_hints = escape_c_string($_);
  20
  21 open(HFILE, ">javascript.h") or die "Failed to open javascript.h: $!";
  22 print HFILE "#define JS_SETUP_HINTS ";
  23 printf  HFILE "\"%s\"\n", $js_hints;
  24 close(HFILE);
  25
  26 exit;