2 # GObject-Introspection - a framework for introspecting GObject libraries
3 # Copyright (C) 2008 Johan Dahlin
5 # This library is free software; you can redistribute it and/or
6 # modify it under the terms of the GNU Lesser General Public
7 # License as published by the Free Software Foundation; either
8 # version 2 of the License, or (at your option) any later version.
10 # This library is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # Lesser General Public License for more details.
15 # You should have received a copy of the GNU Lesser General Public
16 # License along with this library; if not, write to the
17 # Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 # Boston, MA 02111-1307, USA.
26 def have_debug_flag(flag):
27 """Check for whether a specific debugging feature is enabled.
29 * start: Drop into debugger just after processing arguments
30 * exception: Drop into debugger on fatalexception
31 * warning: Drop into debugger on warning
32 * posttrans: Drop into debugger just before introspectable pass
35 if _debugflags is None:
36 _debugflags = os.environ.get('GI_SCANNER_DEBUG', '').split(',')
38 _debugflags.remove('')
39 return flag in _debugflags
41 def break_on_debug_flag(flag):
42 if have_debug_flag(flag):
46 # Copied from h2defs.py
47 _upperstr_pat1 = re.compile(r'([^A-Z])([A-Z])')
48 _upperstr_pat2 = re.compile(r'([A-Z][A-Z])([A-Z][0-9a-z])')
49 _upperstr_pat3 = re.compile(r'^([A-Z])([A-Z])')
52 def to_underscores(name):
53 """Converts a typename to the equivalent underscores name.
54 This is used to form the type conversion macros and enum/flag
56 name = _upperstr_pat1.sub(r'\1_\2', name)
57 name = _upperstr_pat2.sub(r'\1_\2', name)
58 name = _upperstr_pat3.sub(r'\1_\2', name, count=1)
62 def to_underscores_noprefix(name):
63 """Like to_underscores, but designed for "unprefixed" names.
64 to_underscores("DBusFoo") => dbus_foo, not d_bus_foo."""
65 name = _upperstr_pat1.sub(r'\1_\2', name)
66 name = _upperstr_pat2.sub(r'\1_\2', name)
69 _libtool_pat = re.compile("dlname='([A-z0-9\.\-\+]+)'\n")
71 def _extract_dlname_field(la_file):
75 m = _libtool_pat.search(data)
81 # Returns the name that we would pass to dlopen() the library
82 # corresponding to this .la file
83 def extract_libtool_shlib(la_file):
84 dlname = _extract_dlname_field(la_file)
88 # From the comments in extract_libtool(), older libtools had
89 # a path rather than the raw dlname
90 return os.path.basename(dlname)
92 def extract_libtool(la_file):
93 dlname = _extract_dlname_field(la_file)
95 raise ValueError("%s has no dlname. Not a shared library?" % la_file)
96 libname = os.path.join(os.path.dirname(la_file),
98 # FIXME: This hackish, but I'm not sure how to do this
99 # in a way which is compatible with both libtool 2.2
100 # and pre-2.2. Johan 2008-10-21
101 libname = libname.replace('.libs/.libs', '.libs')
104 # Returns arguments for invoking libtool, if applicable, otherwise None
105 def get_libtool_command(options):
106 libtool_infection = not options.nolibtool
107 if not libtool_infection:
110 libtool_path = options.libtool_path
112 # Automake by default sets:
113 # LIBTOOL = $(SHELL) $(top_builddir)/libtool
114 # To be strictly correct we would have to parse shell. For now
116 return libtool_path.split(' ')
119 subprocess.check_call(['libtool', '--version'],
120 stdout=open(os.devnull))
121 except (subprocess.CalledProcessError, OSError), e:
122 # If libtool's not installed, assume we don't need it
128 def files_are_identical(path1, path2):
133 while buf1 == buf2 and buf1 != '':