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# -*- Mode: Python -*-
# GObject-Introspection - a framework for introspecting GObject libraries
# Copyright (C) 2008 Colin Walters
# Copyright (C) 2008 Johan Dahlin
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
import os
import subprocess
import tempfile
from .glibtransformer import IntrospectionBinary
# bugzilla.gnome.org/558436
# Compile a binary program which is then linked to a library
# we want to introspect, in order to call its get_type functions.
_PROGRAM_TEMPLATE = '''/* This file is generated, do not edit */
#include <glib.h>
#include <girepository.h>
#include <string.h>
static GOptionEntry entries[] =
{
{ NULL }
};
int
main(int argc, char **argv)
{
GOptionContext *context;
GError *error = NULL;
g_type_init ();
g_thread_init (NULL);
context = g_option_context_new ("");
g_option_context_add_main_entries (context, entries, "girepository");
g_option_context_add_group (context, g_irepository_get_option_group ());
if (!g_option_context_parse (context, &argc, &argv, &error))
{
g_printerr ("introspect failed (%d,%d): %s\\n",
error->domain, error->code,
error->message);
return 1;
}
return 0;
}
'''
class CompilerError(Exception):
pass
class LinkerError(Exception):
pass
class DumpCompiler(object):
def __init__(self, options):
self._options = options
self._tmpdir = tempfile.mkdtemp('', 'tmp-introspect')
self._compiler_cmd = os.environ.get('CC', 'gcc')
self._linker_cmd = os.environ.get('LD', self._compiler_cmd)
self._pkgconfig_cmd = os.environ.get('PKG_CONFIG', 'pkg-config')
self._uninst_srcdir = os.environ.get(
'UNINSTALLED_INTROSPECTION_SRCDIR')
self._packages = ['gio-2.0 gthread-2.0']
if not self._uninst_srcdir:
self._packages.append('gobject-introspection-1.0')
# Public API
def run(self):
c_path = self._generate_tempfile('.c')
f = open(c_path, 'w')
f.write(_PROGRAM_TEMPLATE)
f.close()
o_path = self._generate_tempfile('.o')
bin_path = self._generate_tempfile()
try:
self._compile(o_path, c_path)
except CompilerError, e:
raise SystemExit('ERROR: ' + str(e))
try:
self._link(bin_path, o_path)
except LinkerError, e:
raise SystemExit('ERROR: ' + str(e))
os.unlink(c_path)
return IntrospectionBinary([bin_path], self._tmpdir)
# Private API
def _generate_tempfile(self, suffix=''):
tmpl = '%s-%s%s' % (self._options.namespace_name,
self._options.namespace_version, suffix)
return os.path.join(self._tmpdir, tmpl)
def _run_pkgconfig(self, flag):
proc = subprocess.Popen(
[self._pkgconfig_cmd, flag] + self._packages,
stdout=subprocess.PIPE)
return proc.communicate()[0].split()
def _use_libtool_infection(self):
libtool_infection = not self._options.nolibtool
if not libtool_infection:
return False
try:
subprocess.check_call(['libtool', '--version'])
except subprocess.CalledProcessError, e:
# If libtool's not installed, assume we don't need it
return False
return True
def _compile(self, output, *sources):
args = [self._compiler_cmd]
if self._compiler_cmd == 'gcc':
args.append('-Wall')
pkgconfig_flags = self._run_pkgconfig('--cflags')
if self._uninst_srcdir:
args.append('-I' + os.path.join(self._uninst_srcdir,
'girepository'))
args.extend(pkgconfig_flags)
for include in self._options.cpp_includes:
args.append('-I' + include)
args.extend(['-c', '-o', output])
for source in sources:
if not os.path.exists(source):
raise CompilerError(
"Could not find c source file: %s" % (source, ))
args.extend(list(sources))
subprocess.check_call(args)
def _link(self, output, *sources):
args = []
if self._use_libtool_infection():
args.extend(['libtool', '--mode=link'])
args.extend([self._linker_cmd, '-o', output])
args.extend(self._run_pkgconfig('--libs'))
for source in sources:
if not os.path.exists(source):
raise CompilerError(
"Could not find object file: %s" % (source, ))
args.extend(list(sources))
uninst_builddir = os.environ.get('UNINSTALLED_INTROSPECTION_BUILDDIR')
# This hack is only for building gobject-introspection itself
if uninst_builddir:
path = os.path.join(uninst_builddir, 'girepository',
'libgirepository.la')
args.append(path)
# Search the current directory first
args.append('-L.')
# We only use the first library; assume others are "custom" libraries
# like from gir-repository. Right now those don't define new GTypes,
# so we don't need to introspect them.
args.append('-l' + self._options.libraries[0])
subprocess.check_call(args)
def compile_introspection_binary(options):
dc = DumpCompiler(options)
return dc.run()
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