1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
# -*- 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-1.0");
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, get_type_functions):
self._options = options
self._get_type_functions = get_type_functions
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):
print ' GEN ' + self._options.output
c_path = self._generate_tempfile('.c')
f = open(c_path, 'w')
f.write(_PROGRAM_TEMPLATE)
# We need to reference our get_type functions to make sure they are
# pulled in at the linking stage if the library is a static library
# rather than a shared library.
if len(self._get_type_functions) > 0:
for func in self._get_type_functions:
f.write("extern GType " + func + "(void);\n")
f.write("GType (*GI_GET_TYPE_FUNCS_[])(void) = {\n")
first = True
for func in self._get_type_functions:
if first:
first = False
else:
f.write(",\n")
f.write(" " + func)
f.write("\n};\n")
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 None
libtool_path = self._options.libtool_path
if libtool_path:
# Automake by default sets:
# LIBTOOL = $(SHELL) $(top_builddir)/libtool
# To be strictly correct we would have to parse shell. For now
# we simply split().
return libtool_path.split(' ')
try:
subprocess.check_call(['libtool', '--version'])
except subprocess.CalledProcessError, e:
# If libtool's not installed, assume we don't need it
return None
return ['libtool']
def _compile(self, output, *sources):
# Not strictly speaking correct, but easier than parsing shell
args = self._compiler_cmd.split()
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 = []
libtool = self._use_libtool_infection()
if libtool:
args.extend(libtool)
args.append('--mode=link')
args.append('--tag=CC')
args.append('--silent')
args.extend([self._linker_cmd, '-o', output])
# Make sure to list the library to be introspected first since it's
# likely to be uninstalled yet and we want the uninstalled RPATHs have
# priority (or we might run with installed library that is older)
# Search the current directory first
args.append('-L.')
uninst_builddir = os.environ.get('UNINSTALLED_INTROSPECTION_BUILDDIR')
# hack for building GIRepository.gir, skip -lgirepository-1.0 since
# libgirepository-1.0.la is not in current directory and we refer to it
# explicitly below anyway
if (not uninst_builddir or
self._options.libraries[0] != 'girepository-1.0'):
# 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])
# hack for building gobject-introspection itself
if uninst_builddir:
path = os.path.join(uninst_builddir, 'girepository',
'libgirepository-1.0.la')
args.append(path)
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))
subprocess.check_call(args)
def compile_introspection_binary(options, get_type_functions):
dc = DumpCompiler(options, get_type_functions)
return dc.run()
|
