File: __init__.py

package info (click to toggle)
pypy 7.3.3%2Bdfsg-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 113,660 kB
  • sloc: python: 1,419,707; ansic: 64,313; cpp: 3,290; sh: 2,763; makefile: 540; xml: 256; asm: 213; lisp: 45; awk: 4
file content (364 lines) | stat: -rw-r--r-- 13,291 bytes parent folder | download | duplicates (4)
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
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
"""Platform-specific support for compiling/executing C sources."""

import py, os, sys

from rpython.tool.runsubprocess import run_subprocess as _run_subprocess
from rpython.tool.udir import udir
from rpython.tool.version import rpythonroot
from rpython.tool.ansi_print import AnsiLogger

log = AnsiLogger("platform")


class CompilationError(Exception):
    def __init__(self, out, err):
        self.out = out.replace('\r\n', '\n')
        self.err = err.replace('\r\n', '\n')

    def __repr__(self):
        if self.err:
            attr = 'err'
        else:
            attr = 'out'
        text = getattr(self, attr).replace('\n', '\n\t')
        return 'CompilationError(%s="""\n\t%s""")' % (attr, text)

    __str__ = __repr__

class ExecutionResult(object):
    def __init__(self, returncode, out, err):
        self.returncode = returncode
        self.out = out.replace('\r\n', '\n')
        self.err = err.replace('\r\n', '\n')

    def __repr__(self):
        return "<ExecutionResult retcode=%d>" % (self.returncode,)

class Platform(object):
    name = "abstract platform"
    c_environ = None
    # which branch to check out in get_external.py
    externals_branch='default'
    # where to put the externals, as an absolute path
    externals = str(py.path.local(__file__).parts()[-5] / 'externals')
    relevant_environ = ()
    log_errors = True

    so_prefixes = ('',)

    extra_libs = ()

    def __init__(self, cc):
        if self.__class__ is Platform:
            raise TypeError("You should not instantiate Platform class directly")
        self.cc = cc

    def compile(self, cfiles, eci, outputfilename=None, standalone=True):
        ofiles = self._compile_o_files(cfiles, eci, standalone)
        return self._finish_linking(ofiles, eci, outputfilename, standalone)

    def _all_cfiles(self, cfiles, eci):
        seen = set()
        result = []
        for cfile in list(cfiles) + list(eci.separate_module_files):
            cfile = py.path.local(cfile)
            if cfile not in seen:
                seen.add(cfile)
                result.append(cfile)
        return result

    def _compile_o_files(self, cfiles, eci, standalone=True):
        cfiles = self._all_cfiles(cfiles, eci)
        compile_args = self._compile_args_from_eci(eci, standalone)
        ofiles = []
        for cfile in cfiles:
            # Windows hack: use masm for files ending in .asm
            if str(cfile).lower().endswith('.asm'):
                ofiles.append(self._compile_c_file(self.masm, cfile, []))
            else:
                ofiles.append(self._compile_c_file(self.cc, cfile, compile_args))
        return ofiles

    def execute(self, executable, args=None, env=None, compilation_info=None):
        if env is None:
            env = os.environ.copy()
        else:
            env = env.copy()

        # On Windows, %SystemRoot% must be present for most programs to start
        if (os.name == 'nt' and
            "SystemRoot" not in env and
            "SystemRoot" in os.environ):
            env["SystemRoot"] = os.environ["SystemRoot"]

        # Set LD_LIBRARY_PATH on posix platforms
        if os.name == 'posix' and compilation_info is not None:
            library_path = ':'.join([str(i) for i in compilation_info.library_dirs])
            if sys.platform == 'darwin':
                env['DYLD_LIBRARY_PATH'] = library_path
            else:
                env['LD_LIBRARY_PATH'] = library_path

        returncode, stdout, stderr = _run_subprocess(str(executable), args,
                                                     env)
        return ExecutionResult(returncode, stdout, stderr)

    def gen_makefile(self, cfiles, eci, exe_name=None, path=None,
                     shared=False, headers_to_precompile=[],
                     no_precompile_cfiles = [], profopt=False, config=None):
        raise NotImplementedError("Pure abstract baseclass")

    def __repr__(self):
        return '<%s cc=%s>' % (self.__class__.__name__, self.cc)

    def __hash__(self):
        return hash(self.__class__.__name__)

    def __ne__(self, other):
        return not self == other

    def __eq__(self, other):
        return (self.__class__ is other.__class__ and
                self.__dict__ == other.__dict__)

    def key(self):
        bits = [self.__class__.__name__, 'cc=%r' % self.cc]
        for varname in self.relevant_environ:
            bits.append('%s=%r' % (varname, os.environ.get(varname)))
        # adding sys.maxint to disambiguate windows
        bits.append('%s=%r' % ('sys.maxint', sys.maxint))
        return ' '.join(bits)

    # some helpers which seem to be cross-platform enough

    def _execute_c_compiler(self, cc, args, outname, cwd=None):
        #log.execute(cc + ' ' + ' '.join(args))
        # 'cc' can also contain some options for the C compiler;
        # e.g. it can be "gcc -m32".  We handle it by splitting on ' '.
        cclist = cc.split()
        cc = cclist[0]
        args = cclist[1:] + args
        returncode, stdout, stderr = _run_subprocess(cc, args, self.c_environ,
                                                     cwd)
        self._handle_error(returncode, stdout, stderr, outname)

    def _handle_error(self, returncode, stdout, stderr, outname):
        if returncode != 0:
            errorfile = outname.new(ext='errors')
            errorfile.write(stderr, 'wb')
            if self.log_errors:
                stderrlines = stderr.splitlines()
                for line in stderrlines:
                    log.Error(line)
                # ^^^ don't use ERROR, because it might actually be fine.
                # Also, ERROR confuses lib-python/conftest.py.
            raise CompilationError(stdout, stderr)
        else:
            if self.log_errors:
                for line in stderr.splitlines():
                    log.WARNING(line)

    def _make_o_file(self, cfile, ext):
        """Create an object file name under the udir for a .c file"""
        ofile = cfile.new(ext=ext)
        if ofile.relto(udir):
            return ofile
        assert ofile.relto(rpythonroot), (
            "%r should be relative to either %r or %r" % (
                ofile, rpythonroot, udir))
        ofile = udir.join(ofile.relto(rpythonroot))
        ofile.dirpath().ensure(dir=True)
        return ofile

    def preprocess_include_dirs(self, include_dirs):
        if 'PYPY_LOCALBASE' in os.environ:
            dirs = list(self._preprocess_include_dirs(include_dirs))
            return [os.environ['PYPY_LOCALBASE'] + '/include'] + dirs
        return self._preprocess_include_dirs(include_dirs)

    def _preprocess_include_dirs(self, include_dirs):
        return include_dirs

    def _compile_args_from_eci(self, eci, standalone):
        include_dirs = self.preprocess_include_dirs(eci.include_dirs)
        args = self._includedirs(include_dirs)
        if standalone:
            extra = self.standalone_only
        else:
            extra = self.get_shared_only_compile_flags()
        cflags = list(self.cflags) + list(extra)
        return (cflags + list(eci.compile_extra) + args)

    def get_shared_only_compile_flags(self):
        return tuple(self.shared_only)

    def preprocess_library_dirs(self, library_dirs):
        if 'PYPY_LOCALBASE' in os.environ:
            dirs = list(self._preprocess_library_dirs(library_dirs))
            return [os.environ['PYPY_LOCALBASE'] + '/lib'] + dirs
        return self._preprocess_library_dirs(library_dirs)

    def _preprocess_library_dirs(self, library_dirs):
        return library_dirs

    def _link_args_from_eci(self, eci, standalone):
        library_dirs = self.preprocess_library_dirs(eci.library_dirs)
        library_dirs = self._libdirs(library_dirs)
        libraries = self._libs(eci.libraries)
        link_files = self._linkfiles(eci.link_files)
        export_flags = self._exportsymbols_link_flags()
        return (library_dirs + list(self.link_flags) + export_flags +
                link_files + list(eci.link_extra) + libraries +
                list(self.extra_libs))

    def _exportsymbols_link_flags(self):
        return []

    def _finish_linking(self, ofiles, eci, outputfilename, standalone):
        if outputfilename is None:
            outputfilename = ofiles[0].purebasename
        if ofiles:
            dirname = ofiles[0].dirpath()
        else:
            dirname = udir.join('module_cache')
        exe_name = dirname.join(outputfilename, abs=True)
        if standalone:
            if self.exe_ext:
                exe_name += '.' + self.exe_ext
        else:
            exe_name += '.' + self.so_ext
        if eci.use_cpp_linker:
            cc_link = 'g++'      # XXX hard-coded so far
        else:
            cc_link = self.cc
        largs = self._link_args_from_eci(eci, standalone)
        return self._link(cc_link, ofiles, largs, standalone, exe_name)

    # below are some detailed information for platforms

    def include_dirs_for_libffi(self):
        dirs = self._include_dirs_for_libffi()
        if 'PYPY_LOCALBASE' in os.environ:
            return [os.environ['PYPY_LOCALBASE'] + '/include'] + dirs
        return dirs

    def library_dirs_for_libffi(self):
        dirs = self._library_dirs_for_libffi()
        if 'PYPY_LOCALBASE' in os.environ:
            return [os.environ['PYPY_LOCALBASE'] + '/lib'] + dirs
        return dirs

    def _include_dirs_for_libffi(self):
        raise NotImplementedError("Needs to be overwritten")

    def _library_dirs_for_libffi(self):
        raise NotImplementedError("Needs to be overwritten")

    def check___thread(self):
        return True


if sys.platform.startswith('linux'):
    from rpython.translator.platform.linux import Linux, LinuxPIC
    import platform
    # Only required on armhf and mips{,el}, not armel. But there's no way to
    # detect armhf without shelling out
    if (platform.architecture()[0] == '64bit'
            or platform.machine().startswith(
                ('arm', 'm68k', 'mips', 'parisc', 'ppc', 'sh4'))
            or getattr(getattr(sys, 'implementation', sys), '_multiarch',
                       None) == 'x86_64-linux-gnux32'):
        host_factory = LinuxPIC
    else:
        host_factory = Linux
elif sys.platform == 'darwin':
    from rpython.translator.platform.darwin import Darwin_i386, Darwin_x86_64, Darwin_PowerPC
    import platform
    assert platform.machine() in ('Power Macintosh', 'i386', 'x86_64')

    if  platform.machine() == 'Power Macintosh':
        host_factory = Darwin_PowerPC
    elif sys.maxint <= 2147483647:
        host_factory = Darwin_i386
    else:
        host_factory = Darwin_x86_64
elif "gnukfreebsd" in sys.platform:
    from rpython.translator.platform.freebsd import GNUkFreebsd, GNUkFreebsd_64
    import platform
    if platform.architecture()[0] == '32bit':
        host_factory = GNUkFreebsd
    else:
        host_factory = GNUkFreebsd_64
elif "freebsd" in sys.platform:
    from rpython.translator.platform.freebsd import Freebsd, Freebsd_64
    import platform
    if platform.architecture()[0] == '32bit':
        host_factory = Freebsd
    else:
        host_factory = Freebsd_64
elif sys.platform.startswith('netbsd'):
    from rpython.translator.platform.netbsd import Netbsd, Netbsd_64
    import platform
    if platform.architecture()[0] == '32bit':
        host_factory = Netbsd
    else:
        host_factory = Netbsd_64
elif "openbsd" in sys.platform:
    from rpython.translator.platform.openbsd import OpenBSD, OpenBSD_64
    import platform
    if platform.architecture()[0] == '32bit':
        host_factory = OpenBSD
    else:
        host_factory = OpenBSD_64
elif sys.platform.startswith('gnu'):
    from rpython.translator.platform.hurd import Hurd
    import platform
    if platform.architecture()[0] == '32bit':
        host_factory = Hurd
    else:
        host_factory = Hurd_64
elif os.name == 'nt':
    from rpython.translator.platform.windows import Windows, Windows_x64
    import platform
    if platform.architecture()[0] == '32bit':
        host_factory = Windows
    else:
        host_factory = Windows_x64
elif sys.platform == 'cygwin':
    from rpython.translator.platform.cygwin import Cygwin, Cygwin64
    import platform
    if platform.architecture()[0] == '32bit':
        host_factory = Cygwin
    else:
        host_factory = Cygwin64
else:
    raise ValueError('unknown sys.platform "%s"', sys.platform)

platform = host = host_factory()

def pick_platform(new_platform, cc):
    if new_platform == 'host':
        return host_factory(cc)
    elif new_platform == 'arm':
        from rpython.translator.platform.arm import ARM
        return ARM(cc)
    else:
        raise ValueError("platform = %s" % (new_platform,))

def set_platform(new_platform, cc):
    global platform
    platform = pick_platform(new_platform, cc)
    if not platform:
        raise ValueError("pick_platform(%r, %s) failed"%(new_platform, cc))
    log.msg("Set platform with %r cc=%s, using cc=%r, version=%r" % (new_platform, cc,
                    getattr(platform, 'cc','Unknown'),
                    getattr(platform, 'version','Unknown'),
    ))

    if new_platform == 'host':
        global host
        host = platform


def is_host_build():
    return host == platform