bmake/mk/meta2deps.py

76 def resolve(path, cwd, last_dir=None, debug=0, debug_out=sys.stderr):
78     Return an absolute path, resolving via cwd or last_dir if needed.
80     if path.endswith('/.'):
81         path = path[0:-2]
82     if len(path) > 0 and path[0] == '/':
83         return path
84     if path == '.':
86     if path.startswith('./'):
87         return cwd + path[1:]
93         p = '/'.join([d,path])
96         if not os.path.exists(p):
106 def abspath(path, cwd, last_dir=None, debug=0, debug_out=sys.stderr):
108     Return an absolute path, resolving via cwd or last_dir if needed.
112     rpath = resolve(path, cwd, last_dir, debug, debug_out)
114         path = rpath
115     if (path.find('/') < 0 or
116 	path.find('./') > 0 or
117         path.endswith('/..') or
118         os.path.islink(path)):
119         return os.path.realpath(path)
120     return path
160         RELDIR	the relative path from SRCTOP to CURDIR
178 		For example if 'some/path/foo.h' is read from SRCTOP
179 		then 'DPDEPS_some/path/foo.h +=' "RELDIR" is output.
214                 _srctop = os.path.realpath(srctop)
235                     _objroot = os.path.realpath(objroot)
307     def find_top(self, path, list):
310             if path.startswith(top):
316     def find_obj(self, objroot, dir, path, input):
317         """return path within objroot, taking care of .dirdep files"""
319         for ddepf in [path + '.dirdep', dir + '/.dirdep']:
320             if not ddep and os.path.exists(ddepf):
362 	# Meta data file "path"
371 	E "pid" "path"
373 	R "pid" "path"
374 	W "pid" "path"
376 	D "pid" "path"
379 	S "pid" "path"
467                 path = w[2]
468                 self.parse_path(path, cwd, w[0], w)
473     def parse_path(self, path, cwd, op=None, w=[]):
474         """look at a path for the op specified"""
480         if path.endswith('.dirdep'):
483             if p and path.startswith(p):
485                     print("exclude:", p, path, file=self.debug_out)
489         path = resolve(path, cwd, self.last_dir, self.debug, self.debug_out)
490         if not path:
492         dir,base = os.path.split(path)
497         # we can have a path in an objdir which is a link
503         # now put path back together
504         path = '/'.join([dir,base])
506             print("raw=%s rdir=%s dir=%s path=%s" % (w[2], rdir, dir, path), file=self.debug_out)
508             if path in [self.last_dir, cwd, self.cwd, self.curdir]:
510                     print("skipping:", path, file=self.debug_out)
512             if os.path.isdir(path):
514                     self.last_dir = path;
523             srctop = self.find_top(path, self.srctops)
526                     self.add(self.file_deps, path.replace(srctop,''), 'file')
544                 ddep = self.find_obj(objroot, dir, path, w[2])
684             if not os.path.exists(a):
691                     if not os.path.exists(f):