bin/mf-deps.py

   1 #!@PYTHON@
   2 # -*- python -*-
   3
   4 #
   5 # mf-deps.py -- dependencies for metafont
   6 #
   7 # source file of the GNU LilyPond music typesetter
   8 #
   9 # (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
  10 #
  11
  12
  13 """look into metafont source for dependencies.
  14
  15  fixme: python path
  16  fixme: error reporting
  17  fixem: python sucks slightly: why doesn't it have closures?
  18
  19 """
  20
  21 import sys
  22 import os
  23
  24 lilypath =''
  25 try:
  26         lilypath = os.environ['LILYPOND_SOURCEDIR'] + '/'
  27 except KeyError:
  28         try:
  29                 lilypath = os.environ['top_srcdir'] + '/'
  30         except KeyError:
  31             print 'Please set LILYPOND_SOURCEDIR to the toplevel source, eg LILYPOND_SOURCEDIR=/home/foobar/lilypond-1.2.3/'
  32
  33             sys.exit(1)
  34
  35 lilypath = lilypath + '/bin/'
  36 sys.path.append(lilypath)
  37
  38 from regex import * ;
  39 from regsub import * ;
  40 import sys;
  41 import os;
  42
  43
  44 version = "0.2"
  45 input_re = compile('^[ \t]*input *\([^;]+\);')
  46 postfixes = ['log', 'dvi', '2602gf', 'tfm']
  47
  48 def identify ():
  49     return "mf-deps.py %s" % version
  50
  51
  52
  53 def print_one(x):
  54     print x
  55
  56 def line_concat(x,y):
  57     return x + '\n' +  y
  58
  59 class Targetdeps:
  60     """Dependencies for one toplevel sourcefile
  61
  62     """
  63
  64     def __init__(self,nm):
  65         split = os.path.splitext(nm)
  66         self.basename=split[0];
  67         self.depfiles = []
  68         self.checkdep(nm)
  69
  70     def checkdep(self, name):
  71         split = os.path.splitext(name)
  72         name = split[0] + '.mf';
  73
  74         if name not in self.depfiles:
  75             self.get_filedeps(name)
  76
  77     def get_filedeps(self,filename):
  78 #       print sys.stderr.write( 'checking ' + filename + '\n');
  79         try:
  80             file = open(filename)
  81         except IOError:
  82 #           print sys.stderr.write( 'can\'t open ' + filename + '\n')
  83             return
  84
  85         self.depfiles.append(filename)
  86         lines = file.readlines()
  87         file.close()
  88         for line in lines:
  89             if input_re.search (line) <> -1:
  90                 self.checkdep( input_re.group(1))
  91
  92     def target_string(self):
  93         # ugh.  Closures, anyone?
  94 #       targets =  map (lambda x,y = self.basename: 'out/' + y + '.' + x, postfixes)
  95         targets =  map (lambda x,y = self.basename: y + '.' + x, postfixes)
  96         depstring = reduce(lambda x,y: x + ' ' + y, self.depfiles)
  97         dependencies = map (lambda x, y=depstring: x + ': ' + y, targets)
  98
  99         return reduce(line_concat, dependencies)
 100
 101 print "# Automatically generated by %s\n" % identify ()
 102
 103 for file in sys.argv[1:]: # skip programname
 104     t = Targetdeps(file)
 105     print t.target_string()
 106
 107