5 # mf-deps.py -- dependencies for metafont
7 # source file of the GNU LilyPond music typesetter
9 # (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
13 """look into metafont source for dependencies.
16 fixme: error reporting
17 fixem: python sucks slightly: why doesn't it have closures?
26 lilypath = os.environ['LILYPOND_SOURCEDIR'] + '/'
29 lilypath = os.environ['top_srcdir'] + '/'
31 print 'Please set LILYPOND_SOURCEDIR to the toplevel source, eg LILYPOND_SOURCEDIR=/home/foobar/lilypond-1.2.3/'
35 lilypath = lilypath + '/bin/'
36 sys.path.append(lilypath)
39 from regsub import * ;
45 input_re = compile('^[ \t]*input *\([^;]+\);')
46 postfixes = ['log', 'dvi', '2602gf', 'tfm']
49 return "mf-deps.py %s" % version
60 """Dependencies for one toplevel sourcefile
64 def __init__(self,nm):
65 split = os.path.splitext(nm)
66 self.basename=split[0];
70 def checkdep(self, name):
71 split = os.path.splitext(name)
72 name = split[0] + '.mf';
74 if name not in self.depfiles:
75 self.get_filedeps(name)
77 def get_filedeps(self,filename):
78 # print sys.stderr.write( 'checking ' + filename + '\n');
82 # print sys.stderr.write( 'can\'t open ' + filename + '\n')
85 self.depfiles.append(filename)
86 lines = file.readlines()
89 if input_re.search (line) <> -1:
90 self.checkdep( input_re.group(1))
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)
99 return reduce(line_concat, dependencies)
101 print "# Automatically generated by %s\n" % identify ()
103 for file in sys.argv[1:]: # skip programname
105 print t.target_string()