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.
29 def have_debug_flag(flag):
30 """Check for whether a specific debugging feature is enabled.
32 * start: Drop into debugger just after processing arguments
33 * exception: Drop into debugger on fatalexception
34 * warning: Drop into debugger on warning
35 * posttrans: Drop into debugger just before introspectable pass
38 if _debugflags is None:
39 _debugflags = os.environ.get('GI_SCANNER_DEBUG', '').split(',')
41 _debugflags.remove('')
42 return flag in _debugflags
45 def break_on_debug_flag(flag):
46 if have_debug_flag(flag):
50 # Copied from h2defs.py
51 _upperstr_pat1 = re.compile(r'([^A-Z])([A-Z])')
52 _upperstr_pat2 = re.compile(r'([A-Z][A-Z])([A-Z][0-9a-z])')
53 _upperstr_pat3 = re.compile(r'^([A-Z])([A-Z])')
56 def to_underscores(name):
57 """Converts a typename to the equivalent underscores name.
58 This is used to form the type conversion macros and enum/flag
60 In particular, and differently from to_underscores_noprefix(),
61 this function treats the first character differently if it is
62 uppercase and followed by another uppercase letter."""
63 name = _upperstr_pat1.sub(r'\1_\2', name)
64 name = _upperstr_pat2.sub(r'\1_\2', name)
65 name = _upperstr_pat3.sub(r'\1_\2', name, count=1)
69 def to_underscores_noprefix(name):
70 """Like to_underscores, but designed for "unprefixed" names.
71 to_underscores("DBusFoo") => dbus_foo, not d_bus_foo."""
72 name = _upperstr_pat1.sub(r'\1_\2', name)
73 name = _upperstr_pat2.sub(r'\1_\2', name)
77 _libtool_pat = re.compile("dlname='([A-z0-9\.\-\+]+)'\n")
80 def _extract_dlname_field(la_file):
84 m = _libtool_pat.search(data)
91 # Returns the name that we would pass to dlopen() the library
92 # corresponding to this .la file
93 def extract_libtool_shlib(la_file):
94 dlname = _extract_dlname_field(la_file)
98 # From the comments in extract_libtool(), older libtools had
99 # a path rather than the raw dlname
100 return os.path.basename(dlname)
103 def extract_libtool(la_file):
104 dlname = _extract_dlname_field(la_file)
106 raise ValueError("%s has no dlname. Not a shared library?" % la_file)
107 libname = os.path.join(os.path.dirname(la_file),
109 # FIXME: This hackish, but I'm not sure how to do this
110 # in a way which is compatible with both libtool 2.2
111 # and pre-2.2. Johan 2008-10-21
112 libname = libname.replace('.libs/.libs', '.libs')
116 # Returns arguments for invoking libtool, if applicable, otherwise None
117 def get_libtool_command(options):
118 libtool_infection = not options.nolibtool
119 if not libtool_infection:
122 libtool_path = options.libtool_path
124 # Automake by default sets:
125 # LIBTOOL = $(SHELL) $(top_builddir)/libtool
126 # To be strictly correct we would have to parse shell. For now
128 return libtool_path.split(' ')
131 subprocess.check_call(['libtool', '--version'],
132 stdout=open(os.devnull))
133 except (subprocess.CalledProcessError, OSError):
134 # If libtool's not installed, assume we don't need it
140 def files_are_identical(path1, path2):
145 while buf1 == buf2 and buf1 != '':
153 def cflag_real_include_path(cflag):
154 if not cflag.startswith("-I"):
157 return "-I" + os.path.realpath(cflag[2:])