share/mk/meta2deps.py

77 def resolve(path, cwd, last_dir=None, debug=0, debug_out=sys.stderr):
79     Return an absolute path, resolving via cwd or last_dir if needed.
81     if path.endswith('/.'):
82         path = path[0:-2]
83     if len(path) > 0 and path[0] == '/':
84         return path
85     if path == '.':
87     if path.startswith('./'):
88         return cwd + path[1:]
94         p = '/'.join([d,path])
97         if not os.path.exists(p):
107 def abspath(path, cwd, last_dir=None, debug=0, debug_out=sys.stderr):
109     Return an absolute path, resolving via cwd or last_dir if needed.
113     rpath = resolve(path, cwd, last_dir, debug, debug_out)
115         path = rpath
116     if (path.find('/') < 0 or
117 	path.find('./') > 0 or
118         path.endswith('/..') or
119         os.path.islink(path)):
120         return os.path.realpath(path)
121     return path
161         RELDIR	the relative path from SRCTOP to CURDIR
179 		For example if 'some/path/foo.h' is read from SRCTOP
180 		then 'DPDEPS_some/path/foo.h +=' "RELDIR" is output.
215                 _srctop = os.path.realpath(srctop)
236                     _objroot = os.path.realpath(objroot)
308     def find_top(self, path, list):
311             if path.startswith(top):
317     def find_obj(self, objroot, dir, path, input):
318         """return path within objroot, taking care of .dirdep files"""
320         for ddepf in [path + '.dirdep', dir + '/.dirdep']:
321             if not ddep and os.path.exists(ddepf):
363 	# Meta data file "path"
372 	E "pid" "path"
374 	R "pid" "path"
375 	W "pid" "path"
377 	D "pid" "path"
380 	S "pid" "path"
468                 path = w[2]
469                 self.parse_path(path, cwd, w[0], w)
474     def parse_path(self, path, cwd, op=None, w=[]):
475         """look at a path for the op specified"""
481         if path.endswith('.dirdep'):
484             if p and path.startswith(p):
486                     print("exclude:", p, path, file=self.debug_out)
490         path = resolve(path, cwd, self.last_dir, self.debug, self.debug_out)
491         if not path:
493         dir,base = os.path.split(path)
498         # we can have a path in an objdir which is a link
504         # now put path back together
505         path = '/'.join([dir,base])
507             print("raw=%s rdir=%s dir=%s path=%s" % (w[2], rdir, dir, path), file=self.debug_out)
509             if path in [self.last_dir, cwd, self.cwd, self.curdir]:
511                     print("skipping:", path, file=self.debug_out)
513             if os.path.isdir(path):
515                     self.last_dir = path;
524             srctop = self.find_top(path, self.srctops)
527                     self.add(self.file_deps, path.replace(srctop,''), 'file')
545                 ddep = self.find_obj(objroot, dir, path, w[2])
685             if not os.path.exists(a):
692                     if not os.path.exists(f):