/
ModuleNode.py
2529 lines (2355 loc) · 98.6 KB
/
ModuleNode.py
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
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#
# Pyrex - Module parse tree node
#
import os, time
from PyrexTypes import CPtrType
import Future
try:
set
except NameError: # Python 2.3
from sets import Set as set
import Annotate
import Code
import Naming
import Nodes
import Options
import PyrexTypes
import TypeSlots
import Version
import DebugFlags
from Errors import error, warning
from PyrexTypes import py_object_type
from Cython.Utils import open_new_file, replace_suffix, UtilityCode
from StringEncoding import escape_byte_string, EncodedString
def check_c_declarations_pxd(module_node):
module_node.scope.check_c_classes_pxd()
return module_node
def check_c_declarations(module_node):
module_node.scope.check_c_classes()
module_node.scope.check_c_functions()
return module_node
class ModuleNode(Nodes.Node, Nodes.BlockNode):
# doc string or None
# body StatListNode
#
# referenced_modules [ModuleScope]
# module_temp_cname string
# full_module_name string
#
# scope The module scope.
# compilation_source A CompilationSource (see Main)
# directives Top-level compiler directives
child_attrs = ["body"]
directives = None
def analyse_declarations(self, env):
if Options.embed_pos_in_docstring:
env.doc = EncodedString(u'File: %s (starting at line %s)' % Nodes.relative_position(self.pos))
if not self.doc is None:
env.doc = EncodedString(env.doc + u'\n' + self.doc)
env.doc.encoding = self.doc.encoding
else:
env.doc = self.doc
env.directives = self.directives
self.__main__cname = env.intern_identifier(EncodedString("__main__"))
self.body.analyse_declarations(env)
def process_implementation(self, options, result):
env = self.scope
env.return_type = PyrexTypes.c_void_type
self.referenced_modules = []
self.find_referenced_modules(env, self.referenced_modules, {})
if self.has_imported_c_functions():
self.module_temp_cname = env.allocate_temp_pyobject()
env.release_temp(self.module_temp_cname)
if options.recursive:
self.generate_dep_file(env, result)
self.generate_c_code(env, options, result)
self.generate_h_code(env, options, result)
self.generate_api_code(env, result)
def has_imported_c_functions(self):
for module in self.referenced_modules:
for entry in module.cfunc_entries:
if entry.defined_in_pxd:
return 1
return 0
def generate_dep_file(self, env, result):
modules = self.referenced_modules
if len(modules) > 1 or env.included_files:
dep_file = replace_suffix(result.c_file, ".dep")
f = open(dep_file, "w")
try:
for module in modules:
if module is not env:
f.write("cimport %s\n" % module.qualified_name)
for path in module.included_files:
f.write("include %s\n" % path)
finally:
f.close()
def generate_h_code(self, env, options, result):
def h_entries(entries, pxd = 0):
return [entry for entry in entries
if entry.visibility == 'public' or pxd and entry.defined_in_pxd]
h_types = h_entries(env.type_entries)
h_vars = h_entries(env.var_entries)
h_funcs = h_entries(env.cfunc_entries)
h_extension_types = h_entries(env.c_class_entries)
if h_types or h_vars or h_funcs or h_extension_types:
result.h_file = replace_suffix(result.c_file, ".h")
h_code = Code.CCodeWriter()
Code.GlobalState(h_code)
if options.generate_pxi:
result.i_file = replace_suffix(result.c_file, ".pxi")
i_code = Code.PyrexCodeWriter(result.i_file)
else:
i_code = None
guard = Naming.h_guard_prefix + env.qualified_name.replace(".", "__")
h_code.put_h_guard(guard)
self.generate_extern_c_macro_definition(h_code)
self.generate_type_header_code(h_types, h_code)
h_code.putln("")
h_code.putln("#ifndef %s" % Naming.api_guard_prefix + self.api_name(env))
if h_vars:
h_code.putln("")
for entry in h_vars:
self.generate_public_declaration(entry, h_code, i_code)
if h_funcs:
h_code.putln("")
for entry in h_funcs:
self.generate_public_declaration(entry, h_code, i_code)
if h_extension_types:
h_code.putln("")
for entry in h_extension_types:
self.generate_cclass_header_code(entry.type, h_code)
if i_code:
self.generate_cclass_include_code(entry.type, i_code)
h_code.putln("")
h_code.putln("#endif")
h_code.putln("")
h_code.putln("PyMODINIT_FUNC init%s(void);" % env.module_name)
h_code.putln("")
h_code.putln("#endif")
h_code.copyto(open_new_file(result.h_file))
def generate_public_declaration(self, entry, h_code, i_code):
h_code.putln("%s %s;" % (
Naming.extern_c_macro,
entry.type.declaration_code(
entry.cname, dll_linkage = "DL_IMPORT")))
if i_code:
i_code.putln("cdef extern %s" %
entry.type.declaration_code(entry.cname, pyrex = 1))
def api_name(self, env):
return env.qualified_name.replace(".", "__")
def generate_api_code(self, env, result):
api_funcs = []
public_extension_types = []
has_api_extension_types = 0
for entry in env.cfunc_entries:
if entry.api:
api_funcs.append(entry)
for entry in env.c_class_entries:
if entry.visibility == 'public':
public_extension_types.append(entry)
if entry.api:
has_api_extension_types = 1
if api_funcs or has_api_extension_types:
result.api_file = replace_suffix(result.c_file, "_api.h")
h_code = Code.CCodeWriter()
Code.GlobalState(h_code)
name = self.api_name(env)
guard = Naming.api_guard_prefix + name
h_code.put_h_guard(guard)
h_code.putln('#include "Python.h"')
if result.h_file:
h_code.putln('#include "%s"' % os.path.basename(result.h_file))
for entry in public_extension_types:
type = entry.type
h_code.putln("")
h_code.putln("static PyTypeObject *%s;" % type.typeptr_cname)
h_code.putln("#define %s (*%s)" % (
type.typeobj_cname, type.typeptr_cname))
if api_funcs:
h_code.putln("")
for entry in api_funcs:
type = CPtrType(entry.type)
h_code.putln("static %s;" % type.declaration_code(entry.cname))
h_code.putln("")
h_code.put_h_guard(Naming.api_func_guard + "import_module")
h_code.put(import_module_utility_code.impl)
h_code.putln("")
h_code.putln("#endif")
if api_funcs:
h_code.putln("")
h_code.put(function_import_utility_code.impl)
if public_extension_types:
h_code.putln("")
h_code.put(type_import_utility_code.impl)
h_code.putln("")
h_code.putln("static int import_%s(void) {" % name)
h_code.putln("PyObject *module = 0;")
h_code.putln('module = __Pyx_ImportModule("%s");' % env.qualified_name)
h_code.putln("if (!module) goto bad;")
for entry in api_funcs:
sig = entry.type.signature_string()
h_code.putln(
'if (__Pyx_ImportFunction(module, "%s", (void (**)(void))&%s, "%s") < 0) goto bad;' % (
entry.name,
entry.cname,
sig))
h_code.putln("Py_DECREF(module); module = 0;")
for entry in public_extension_types:
self.generate_type_import_call(
entry.type, h_code,
"if (!%s) goto bad;" % entry.type.typeptr_cname)
h_code.putln("return 0;")
h_code.putln("bad:")
h_code.putln("Py_XDECREF(module);")
h_code.putln("return -1;")
h_code.putln("}")
h_code.putln("")
h_code.putln("#endif")
h_code.copyto(open_new_file(result.api_file))
def generate_cclass_header_code(self, type, h_code):
h_code.putln("%s DL_IMPORT(PyTypeObject) %s;" % (
Naming.extern_c_macro,
type.typeobj_cname))
#self.generate_obj_struct_definition(type, h_code)
def generate_cclass_include_code(self, type, i_code):
i_code.putln("cdef extern class %s.%s:" % (
type.module_name, type.name))
i_code.indent()
var_entries = type.scope.var_entries
if var_entries:
for entry in var_entries:
i_code.putln("cdef %s" %
entry.type.declaration_code(entry.cname, pyrex = 1))
else:
i_code.putln("pass")
i_code.dedent()
def generate_c_code(self, env, options, result):
modules = self.referenced_modules
if Options.annotate or options.annotate:
emit_linenums = False
rootwriter = Annotate.AnnotationCCodeWriter()
else:
emit_linenums = options.emit_linenums
rootwriter = Code.CCodeWriter(emit_linenums=emit_linenums)
globalstate = Code.GlobalState(rootwriter, emit_linenums)
globalstate.initialize_main_c_code()
h_code = globalstate['h_code']
self.generate_module_preamble(env, modules, h_code)
globalstate.module_pos = self.pos
globalstate.directives = self.directives
globalstate.use_utility_code(refcount_utility_code)
code = globalstate['before_global_var']
code.putln('#define __Pyx_MODULE_NAME "%s"' % self.full_module_name)
code.putln("int %s%s = %s;" % (Naming.module_is_main, self.full_module_name.replace('.', '__'), int(Options.embed)))
code.putln("")
code.putln("/* Implementation of %s */" % env.qualified_name)
self.generate_const_definitions(env, code)
self.generate_interned_num_decls(env, code)
self.generate_interned_string_decls(env, code)
self.generate_py_string_decls(env, code)
code = globalstate['all_the_rest']
self.generate_cached_builtins_decls(env, code)
self.body.generate_function_definitions(env, code)
code.mark_pos(None)
self.generate_typeobj_definitions(env, code)
self.generate_method_table(env, code)
self.generate_filename_init_prototype(code)
if env.has_import_star:
self.generate_import_star(env, code)
self.generate_pymoduledef_struct(env, code)
self.generate_module_init_func(modules[:-1], env, code)
code.mark_pos(None)
self.generate_module_cleanup_func(env, code)
if Options.embed:
self.generate_main_method(env, code)
self.generate_filename_table(code)
self.generate_declarations_for_modules(env, modules, globalstate)
h_code.write('\n')
for codetup, name in env.utility_code_list:
globalstate.use_utility_code(codetup, name)
globalstate.finalize_main_c_code()
f = open_new_file(result.c_file)
rootwriter.copyto(f)
f.close()
result.c_file_generated = 1
if Options.annotate or options.annotate:
self.annotate(rootwriter)
rootwriter.save_annotation(result.main_source_file, result.c_file)
def find_referenced_modules(self, env, module_list, modules_seen):
if env not in modules_seen:
modules_seen[env] = 1
for imported_module in env.cimported_modules:
self.find_referenced_modules(imported_module, module_list, modules_seen)
module_list.append(env)
def sort_types_by_inheritance(self, type_dict, getkey):
# copy the types into a list moving each parent type before
# its first child
type_items = type_dict.items()
type_list = []
for i, item in enumerate(type_items):
key, new_entry = item
# collect all base classes to check for children
hierarchy = set()
base = new_entry
while base:
base_type = base.type.base_type
if not base_type:
break
base_key = getkey(base_type)
hierarchy.add(base_key)
base = type_dict.get(base_key)
new_entry.base_keys = hierarchy
# find the first (sub-)subclass and insert before that
for j in range(i):
entry = type_list[j]
if key in entry.base_keys:
type_list.insert(j, new_entry)
break
else:
type_list.append(new_entry)
return type_list
def sort_type_hierarchy(self, module_list, env):
vtab_dict = {}
vtabslot_dict = {}
for module in module_list:
for entry in module.c_class_entries:
if not entry.in_cinclude:
type = entry.type
if type.vtabstruct_cname:
vtab_dict[type.vtabstruct_cname] = entry
all_defined_here = module is env
for entry in module.type_entries:
if all_defined_here or entry.defined_in_pxd:
type = entry.type
if type.is_extension_type and not entry.in_cinclude:
type = entry.type
vtabslot_dict[type.objstruct_cname] = entry
def vtabstruct_cname(entry_type):
return entry_type.vtabstruct_cname
vtab_list = self.sort_types_by_inheritance(
vtab_dict, vtabstruct_cname)
def objstruct_cname(entry_type):
return entry_type.objstruct_cname
vtabslot_list = self.sort_types_by_inheritance(
vtabslot_dict, objstruct_cname)
return (vtab_list, vtabslot_list)
def generate_type_definitions(self, env, modules, vtab_list, vtabslot_list, code):
vtabslot_entries = set(vtabslot_list)
for module in modules:
definition = module is env
if definition:
type_entries = module.type_entries
else:
type_entries = []
for entry in module.type_entries:
if entry.defined_in_pxd:
type_entries.append(entry)
for entry in type_entries:
if not entry.in_cinclude:
#print "generate_type_header_code:", entry.name, repr(entry.type) ###
type = entry.type
if type.is_typedef: # Must test this first!
self.generate_typedef(entry, code)
elif type.is_struct_or_union:
self.generate_struct_union_definition(entry, code)
elif type.is_enum:
self.generate_enum_definition(entry, code)
elif type.is_extension_type and entry not in vtabslot_entries:
self.generate_obj_struct_definition(type, code)
for entry in vtabslot_list:
self.generate_obj_struct_definition(entry.type, code)
for entry in vtab_list:
self.generate_typeobject_predeclaration(entry, code)
self.generate_exttype_vtable_struct(entry, code)
self.generate_exttype_vtabptr_declaration(entry, code)
def generate_declarations_for_modules(self, env, modules, globalstate):
typecode = globalstate['type_declarations']
typecode.putln("")
typecode.putln("/* Type declarations */")
vtab_list, vtabslot_list = self.sort_type_hierarchy(modules, env)
self.generate_type_definitions(
env, modules, vtab_list, vtabslot_list, typecode)
modulecode = globalstate['module_declarations']
for module in modules:
defined_here = module is env
modulecode.putln("/* Module declarations from %s */" %
module.qualified_name.encode("ASCII", "ignore"))
self.generate_global_declarations(module, modulecode, defined_here)
self.generate_cfunction_predeclarations(module, modulecode, defined_here)
def generate_module_preamble(self, env, cimported_modules, code):
code.putln('/* Generated by Cython %s on %s */' % (
Version.version, time.asctime()))
code.putln('')
code.putln('#define PY_SSIZE_T_CLEAN')
for filename in env.python_include_files:
code.putln('#include "%s"' % filename)
code.putln("#ifndef Py_PYTHON_H")
code.putln(" #error Python headers needed to compile C extensions, please install development version of Python.")
code.putln("#else")
code.globalstate["end"].putln("#endif /* Py_PYTHON_H */")
code.putln("#ifndef PY_LONG_LONG")
code.putln(" #define PY_LONG_LONG LONG_LONG")
code.putln("#endif")
code.putln("#ifndef DL_EXPORT")
code.putln(" #define DL_EXPORT(t) t")
code.putln("#endif")
code.putln("#if PY_VERSION_HEX < 0x02040000")
code.putln(" #define METH_COEXIST 0")
code.putln(" #define PyDict_CheckExact(op) (Py_TYPE(op) == &PyDict_Type)")
code.putln("#endif")
code.putln("#if PY_VERSION_HEX < 0x02050000")
code.putln(" typedef int Py_ssize_t;")
code.putln(" #define PY_SSIZE_T_MAX INT_MAX")
code.putln(" #define PY_SSIZE_T_MIN INT_MIN")
code.putln(" #define PY_FORMAT_SIZE_T \"\"")
code.putln(" #define PyInt_FromSsize_t(z) PyInt_FromLong(z)")
code.putln(" #define PyInt_AsSsize_t(o) PyInt_AsLong(o)")
code.putln(" #define PyNumber_Index(o) PyNumber_Int(o)")
code.putln(" #define PyIndex_Check(o) PyNumber_Check(o)")
code.putln("#endif")
code.putln("#if PY_VERSION_HEX < 0x02060000")
code.putln(" #define Py_REFCNT(ob) (((PyObject*)(ob))->ob_refcnt)")
code.putln(" #define Py_TYPE(ob) (((PyObject*)(ob))->ob_type)")
code.putln(" #define Py_SIZE(ob) (((PyVarObject*)(ob))->ob_size)")
code.putln(" #define PyVarObject_HEAD_INIT(type, size) \\")
code.putln(" PyObject_HEAD_INIT(type) size,")
code.putln(" #define PyType_Modified(t)")
code.putln("")
code.putln(" typedef struct {")
code.putln(" void *buf;")
code.putln(" PyObject *obj;")
code.putln(" Py_ssize_t len;")
code.putln(" Py_ssize_t itemsize;")
code.putln(" int readonly;")
code.putln(" int ndim;")
code.putln(" char *format;")
code.putln(" Py_ssize_t *shape;")
code.putln(" Py_ssize_t *strides;")
code.putln(" Py_ssize_t *suboffsets;")
code.putln(" void *internal;")
code.putln(" } Py_buffer;")
code.putln("")
code.putln(" #define PyBUF_SIMPLE 0")
code.putln(" #define PyBUF_WRITABLE 0x0001")
code.putln(" #define PyBUF_FORMAT 0x0004")
code.putln(" #define PyBUF_ND 0x0008")
code.putln(" #define PyBUF_STRIDES (0x0010 | PyBUF_ND)")
code.putln(" #define PyBUF_C_CONTIGUOUS (0x0020 | PyBUF_STRIDES)")
code.putln(" #define PyBUF_F_CONTIGUOUS (0x0040 | PyBUF_STRIDES)")
code.putln(" #define PyBUF_ANY_CONTIGUOUS (0x0080 | PyBUF_STRIDES)")
code.putln(" #define PyBUF_INDIRECT (0x0100 | PyBUF_STRIDES)")
code.putln("")
code.putln("#endif")
code.put(builtin_module_name_utility_code.proto)
code.putln("#if PY_MAJOR_VERSION >= 3")
code.putln(" #define Py_TPFLAGS_CHECKTYPES 0")
code.putln(" #define Py_TPFLAGS_HAVE_INDEX 0")
code.putln("#endif")
code.putln("#if (PY_VERSION_HEX < 0x02060000) || (PY_MAJOR_VERSION >= 3)")
code.putln(" #define Py_TPFLAGS_HAVE_NEWBUFFER 0")
code.putln("#endif")
code.putln("#if PY_MAJOR_VERSION >= 3")
code.putln(" #define PyBaseString_Type PyUnicode_Type")
code.putln(" #define PyString_Type PyBytes_Type")
code.putln(" #define PyString_CheckExact PyBytes_CheckExact")
code.putln(" #define PyInt_Type PyLong_Type")
code.putln(" #define PyInt_Check(op) PyLong_Check(op)")
code.putln(" #define PyInt_CheckExact(op) PyLong_CheckExact(op)")
code.putln(" #define PyInt_FromString PyLong_FromString")
code.putln(" #define PyInt_FromUnicode PyLong_FromUnicode")
code.putln(" #define PyInt_FromLong PyLong_FromLong")
code.putln(" #define PyInt_FromSize_t PyLong_FromSize_t")
code.putln(" #define PyInt_FromSsize_t PyLong_FromSsize_t")
code.putln(" #define PyInt_AsLong PyLong_AsLong")
code.putln(" #define PyInt_AS_LONG PyLong_AS_LONG")
code.putln(" #define PyInt_AsSsize_t PyLong_AsSsize_t")
code.putln(" #define PyInt_AsUnsignedLongMask PyLong_AsUnsignedLongMask")
code.putln(" #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask")
code.putln(" #define __Pyx_PyNumber_Divide(x,y) PyNumber_TrueDivide(x,y)")
code.putln("#else")
if Future.division in env.context.future_directives:
code.putln(" #define __Pyx_PyNumber_Divide(x,y) PyNumber_TrueDivide(x,y)")
else:
code.putln(" #define __Pyx_PyNumber_Divide(x,y) PyNumber_Divide(x,y)")
code.putln(" #define PyBytes_Type PyString_Type")
code.putln("#endif")
code.putln("#if PY_MAJOR_VERSION >= 3")
code.putln(" #define PyMethod_New(func, self, klass) PyInstanceMethod_New(func)")
code.putln("#endif")
code.putln("#if !defined(WIN32) && !defined(MS_WINDOWS)")
code.putln(" #ifndef __stdcall")
code.putln(" #define __stdcall")
code.putln(" #endif")
code.putln(" #ifndef __cdecl")
code.putln(" #define __cdecl")
code.putln(" #endif")
code.putln(" #ifndef __fastcall")
code.putln(" #define __fastcall")
code.putln(" #endif")
code.putln("#else")
code.putln(" #define _USE_MATH_DEFINES")
code.putln("#endif")
code.putln("#if PY_VERSION_HEX < 0x02050000")
code.putln(" #define __Pyx_GetAttrString(o,n) PyObject_GetAttrString((o),((char *)(n)))")
code.putln(" #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),((char *)(n)),(a))")
code.putln(" #define __Pyx_DelAttrString(o,n) PyObject_DelAttrString((o),((char *)(n)))")
code.putln("#else")
code.putln(" #define __Pyx_GetAttrString(o,n) PyObject_GetAttrString((o),(n))")
code.putln(" #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),(n),(a))")
code.putln(" #define __Pyx_DelAttrString(o,n) PyObject_DelAttrString((o),(n))")
code.putln("#endif")
code.putln("#if PY_VERSION_HEX < 0x02050000")
code.putln(" #define __Pyx_NAMESTR(n) ((char *)(n))")
code.putln(" #define __Pyx_DOCSTR(n) ((char *)(n))")
code.putln("#else")
code.putln(" #define __Pyx_NAMESTR(n) (n)")
code.putln(" #define __Pyx_DOCSTR(n) (n)")
code.putln("#endif")
self.generate_extern_c_macro_definition(code)
code.putln("#include <math.h>")
code.putln("#define %s" % Naming.api_guard_prefix + self.api_name(env))
self.generate_includes(env, cimported_modules, code)
if env.directives['c99_complex']:
code.putln("#ifndef _Complex_I")
code.putln("#include <complex.h>")
code.putln("#endif")
code.putln("#define __PYX_USE_C99_COMPLEX defined(_Complex_I)")
code.putln('')
code.put(Nodes.utility_function_predeclarations)
code.put(PyrexTypes.type_conversion_predeclarations)
code.put(Nodes.branch_prediction_macros)
code.putln('')
code.putln('static PyObject *%s;' % env.module_cname)
code.putln('static PyObject *%s;' % Naming.builtins_cname)
code.putln('static PyObject *%s;' % Naming.empty_tuple)
code.putln('static PyObject *%s;' % Naming.empty_bytes)
if Options.pre_import is not None:
code.putln('static PyObject *%s;' % Naming.preimport_cname)
code.putln('static int %s;' % Naming.lineno_cname)
code.putln('static int %s = 0;' % Naming.clineno_cname)
code.putln('static const char * %s= %s;' % (Naming.cfilenm_cname, Naming.file_c_macro))
code.putln('static const char *%s;' % Naming.filename_cname)
code.putln('static const char **%s;' % Naming.filetable_cname)
if env.doc:
docstr = env.doc
if not isinstance(docstr, str):
docstr = docstr.utf8encode()
code.putln('')
code.putln('static char %s[] = "%s";' % (
env.doc_cname, escape_byte_string(docstr)))
# XXX this is a mess
for utility_code in PyrexTypes.c_int_from_py_function.specialize_list:
env.use_utility_code(utility_code)
for utility_code in PyrexTypes.c_long_from_py_function.specialize_list:
env.use_utility_code(utility_code)
def generate_extern_c_macro_definition(self, code):
name = Naming.extern_c_macro
code.putln("#ifdef __cplusplus")
code.putln('#define %s extern "C"' % name)
code.putln("#else")
code.putln("#define %s extern" % name)
code.putln("#endif")
def generate_includes(self, env, cimported_modules, code):
includes = []
for filename in env.include_files:
code.putln('#include "%s"' % filename)
def generate_filename_table(self, code):
code.putln("")
code.putln("static const char *%s[] = {" % Naming.filenames_cname)
if code.globalstate.filename_list:
for source_desc in code.globalstate.filename_list:
filename = os.path.basename(source_desc.get_filenametable_entry())
escaped_filename = filename.replace("\\", "\\\\").replace('"', r'\"')
code.putln('"%s",' %
escaped_filename)
else:
# Some C compilers don't like an empty array
code.putln("0")
code.putln("};")
def generate_type_predeclarations(self, env, code):
pass
def generate_type_header_code(self, type_entries, code):
# Generate definitions of structs/unions/enums/typedefs/objstructs.
#self.generate_gcc33_hack(env, code) # Is this still needed?
#for entry in env.type_entries:
for entry in type_entries:
if not entry.in_cinclude:
#print "generate_type_header_code:", entry.name, repr(entry.type) ###
type = entry.type
if type.is_typedef: # Must test this first!
self.generate_typedef(entry, code)
elif type.is_struct_or_union:
self.generate_struct_union_definition(entry, code)
elif type.is_enum:
self.generate_enum_definition(entry, code)
elif type.is_extension_type:
self.generate_obj_struct_definition(type, code)
def generate_gcc33_hack(self, env, code):
# Workaround for spurious warning generation in gcc 3.3
code.putln("")
for entry in env.c_class_entries:
type = entry.type
if not type.typedef_flag:
name = type.objstruct_cname
if name.startswith("__pyx_"):
tail = name[6:]
else:
tail = name
code.putln("typedef struct %s __pyx_gcc33_%s;" % (
name, tail))
def generate_typedef(self, entry, code):
base_type = entry.type.typedef_base_type
code.putln("")
code.putln("typedef %s;" % base_type.declaration_code(entry.cname))
def sue_header_footer(self, type, kind, name):
if type.typedef_flag:
header = "typedef %s {" % kind
footer = "} %s;" % name
else:
header = "%s %s {" % (kind, name)
footer = "};"
return header, footer
def generate_struct_union_definition(self, entry, code):
code.mark_pos(entry.pos)
type = entry.type
scope = type.scope
if scope:
kind = type.kind
packed = type.is_struct and type.packed
if packed:
kind = "%s %s" % (type.kind, "__Pyx_PACKED")
code.globalstate.use_utility_code(packed_struct_utility_code)
header, footer = \
self.sue_header_footer(type, kind, type.cname)
code.putln("")
if packed:
code.putln("#if !defined(__GNUC__)")
code.putln("#pragma pack(push, 1)")
code.putln("#endif")
code.putln(header)
var_entries = scope.var_entries
if not var_entries:
error(entry.pos,
"Empty struct or union definition not allowed outside a"
" 'cdef extern from' block")
for attr in var_entries:
code.putln(
"%s;" %
attr.type.declaration_code(attr.cname))
code.putln(footer)
if packed:
code.putln("#if !defined(__GNUC__)")
code.putln("#pragma pack(pop)")
code.putln("#endif")
def generate_enum_definition(self, entry, code):
code.mark_pos(entry.pos)
type = entry.type
name = entry.cname or entry.name or ""
header, footer = \
self.sue_header_footer(type, "enum", name)
code.putln("")
code.putln(header)
enum_values = entry.enum_values
if not enum_values:
error(entry.pos,
"Empty enum definition not allowed outside a"
" 'cdef extern from' block")
else:
last_entry = enum_values[-1]
for value_entry in enum_values:
if value_entry.value == value_entry.name:
value_code = value_entry.cname
else:
value_code = ("%s = %s" % (
value_entry.cname,
value_entry.value))
if value_entry is not last_entry:
value_code += ","
code.putln(value_code)
code.putln(footer)
def generate_typeobject_predeclaration(self, entry, code):
code.putln("")
name = entry.type.typeobj_cname
if name:
if entry.visibility == 'extern' and not entry.in_cinclude:
code.putln("%s DL_IMPORT(PyTypeObject) %s;" % (
Naming.extern_c_macro,
name))
elif entry.visibility == 'public':
#code.putln("DL_EXPORT(PyTypeObject) %s;" % name)
code.putln("%s DL_EXPORT(PyTypeObject) %s;" % (
Naming.extern_c_macro,
name))
# ??? Do we really need the rest of this? ???
#else:
# code.putln("staticforward PyTypeObject %s;" % name)
def generate_exttype_vtable_struct(self, entry, code):
code.mark_pos(entry.pos)
# Generate struct declaration for an extension type's vtable.
type = entry.type
scope = type.scope
if type.vtabstruct_cname:
code.putln("")
code.putln(
"struct %s {" %
type.vtabstruct_cname)
if type.base_type and type.base_type.vtabstruct_cname:
code.putln("struct %s %s;" % (
type.base_type.vtabstruct_cname,
Naming.obj_base_cname))
for method_entry in scope.cfunc_entries:
if not method_entry.is_inherited:
code.putln(
"%s;" % method_entry.type.declaration_code("(*%s)" % method_entry.name))
code.putln(
"};")
def generate_exttype_vtabptr_declaration(self, entry, code):
code.mark_pos(entry.pos)
# Generate declaration of pointer to an extension type's vtable.
type = entry.type
if type.vtabptr_cname:
code.putln("static struct %s *%s;" % (
type.vtabstruct_cname,
type.vtabptr_cname))
def generate_obj_struct_definition(self, type, code):
code.mark_pos(type.pos)
# Generate object struct definition for an
# extension type.
if not type.scope:
return # Forward declared but never defined
header, footer = \
self.sue_header_footer(type, "struct", type.objstruct_cname)
code.putln("")
code.putln(header)
base_type = type.base_type
if base_type:
code.putln(
"%s%s %s;" % (
("struct ", "")[base_type.typedef_flag],
base_type.objstruct_cname,
Naming.obj_base_cname))
else:
code.putln(
"PyObject_HEAD")
if type.vtabslot_cname and not (type.base_type and type.base_type.vtabslot_cname):
code.putln(
"struct %s *%s;" % (
type.vtabstruct_cname,
type.vtabslot_cname))
for attr in type.scope.var_entries:
code.putln(
"%s;" %
attr.type.declaration_code(attr.cname))
code.putln(footer)
if type.objtypedef_cname is not None:
# Only for exposing public typedef name.
code.putln("typedef struct %s %s;" % (type.objstruct_cname, type.objtypedef_cname))
def generate_global_declarations(self, env, code, definition):
code.putln("")
for entry in env.c_class_entries:
if definition or entry.defined_in_pxd:
code.putln("static PyTypeObject *%s = 0;" %
entry.type.typeptr_cname)
code.put_var_declarations(env.var_entries, static = 1,
dll_linkage = "DL_EXPORT", definition = definition)
if definition:
code.put_var_declarations(env.default_entries, static = 1,
definition = definition)
def generate_cfunction_predeclarations(self, env, code, definition):
for entry in env.cfunc_entries:
if entry.inline_func_in_pxd or (not entry.in_cinclude and (definition
or entry.defined_in_pxd or entry.visibility == 'extern')):
if entry.visibility in ('public', 'extern'):
dll_linkage = "DL_EXPORT"
else:
dll_linkage = None
type = entry.type
if not definition and entry.defined_in_pxd:
type = CPtrType(type)
header = type.declaration_code(entry.cname,
dll_linkage = dll_linkage)
if entry.visibility == 'private':
storage_class = "static "
elif entry.visibility == 'public':
storage_class = ""
else:
storage_class = "%s " % Naming.extern_c_macro
if entry.func_modifiers:
modifiers = '%s ' % ' '.join([
modifier.upper() for modifier in entry.func_modifiers])
else:
modifiers = ''
code.putln("%s%s%s; /*proto*/" % (
storage_class,
modifiers,
header))
def generate_typeobj_definitions(self, env, code):
full_module_name = env.qualified_name
for entry in env.c_class_entries:
#print "generate_typeobj_definitions:", entry.name
#print "...visibility =", entry.visibility
if entry.visibility != 'extern':
type = entry.type
scope = type.scope
if scope: # could be None if there was an error
self.generate_exttype_vtable(scope, code)
self.generate_new_function(scope, code)
self.generate_dealloc_function(scope, code)
if scope.needs_gc():
self.generate_traverse_function(scope, code)
self.generate_clear_function(scope, code)
if scope.defines_any(["__getitem__"]):
self.generate_getitem_int_function(scope, code)
if scope.defines_any(["__setitem__", "__delitem__"]):
self.generate_ass_subscript_function(scope, code)
if scope.defines_any(["__setslice__", "__delslice__"]):
warning(self.pos, "__setslice__ and __delslice__ are not supported by Python 3", 1)
self.generate_ass_slice_function(scope, code)
if scope.defines_any(["__getattr__","__getattribute__"]):
self.generate_getattro_function(scope, code)
if scope.defines_any(["__setattr__", "__delattr__"]):
self.generate_setattro_function(scope, code)
if scope.defines_any(["__get__"]):
self.generate_descr_get_function(scope, code)
if scope.defines_any(["__set__", "__delete__"]):
self.generate_descr_set_function(scope, code)
self.generate_property_accessors(scope, code)
self.generate_method_table(scope, code)
self.generate_member_table(scope, code)
self.generate_getset_table(scope, code)
self.generate_typeobj_definition(full_module_name, entry, code)
def generate_exttype_vtable(self, scope, code):
# Generate the definition of an extension type's vtable.
type = scope.parent_type
if type.vtable_cname:
code.putln("static struct %s %s;" % (
type.vtabstruct_cname,
type.vtable_cname))
def generate_self_cast(self, scope, code):
type = scope.parent_type
code.putln(
"%s = (%s)o;" % (
type.declaration_code("p"),
type.declaration_code("")))
def generate_new_function(self, scope, code):
tp_slot = TypeSlots.ConstructorSlot("tp_new", '__new__')
slot_func = scope.mangle_internal("tp_new")
type = scope.parent_type
base_type = type.base_type
py_attrs = []
for entry in scope.var_entries:
if entry.type.is_pyobject:
py_attrs.append(entry)
need_self_cast = type.vtabslot_cname or py_attrs
code.putln("")
code.putln(
"static PyObject *%s(PyTypeObject *t, PyObject *a, PyObject *k) {"
% scope.mangle_internal("tp_new"))
if need_self_cast:
code.putln(
"%s;"
% scope.parent_type.declaration_code("p"))
if base_type:
tp_new = TypeSlots.get_base_slot_function(scope, tp_slot)
if tp_new is None:
tp_new = "%s->tp_new" % base_type.typeptr_cname
code.putln(
"PyObject *o = %s(t, a, k);" % tp_new)
else:
code.putln(
"PyObject *o = (*t->tp_alloc)(t, 0);")
code.putln(
"if (!o) return 0;")
if need_self_cast:
code.putln(
"p = %s;"
% type.cast_code("o"))
#if need_self_cast:
# self.generate_self_cast(scope, code)
if type.vtabslot_cname:
vtab_base_type = type
while vtab_base_type.base_type and vtab_base_type.base_type.vtabstruct_cname:
vtab_base_type = vtab_base_type.base_type
if vtab_base_type is not type:
struct_type_cast = "(struct %s*)" % vtab_base_type.vtabstruct_cname
else:
struct_type_cast = ""
code.putln("p->%s = %s%s;" % (
type.vtabslot_cname,
struct_type_cast, type.vtabptr_cname))
for entry in py_attrs:
if entry.name == "__weakref__":
code.putln("p->%s = 0;" % entry.cname)
else:
code.put_init_var_to_py_none(entry, "p->%s", nanny=False)
entry = scope.lookup_here("__new__")
if entry and entry.is_special:
if entry.trivial_signature:
cinit_args = "o, %s, NULL" % Naming.empty_tuple
else:
cinit_args = "o, a, k"
code.putln(
"if (%s(%s) < 0) {" %
(entry.func_cname, cinit_args))
code.put_decref_clear("o", py_object_type, nanny=False);
code.putln(
"}")
code.putln(
"return o;")
code.putln(
"}")
def generate_dealloc_function(self, scope, code):
tp_slot = TypeSlots.ConstructorSlot("tp_dealloc", '__dealloc__')
slot_func = scope.mangle_internal("tp_dealloc")
base_type = scope.parent_type.base_type
if tp_slot.slot_code(scope) != slot_func:
return # never used
code.putln("")
code.putln(
"static void %s(PyObject *o) {"
% scope.mangle_internal("tp_dealloc"))
py_attrs = []
weakref_slot = scope.lookup_here("__weakref__")
for entry in scope.var_entries:
if entry.type.is_pyobject and entry is not weakref_slot:
py_attrs.append(entry)
if py_attrs or weakref_slot in scope.var_entries:
self.generate_self_cast(scope, code)
self.generate_usr_dealloc_call(scope, code)
if weakref_slot in scope.var_entries:
code.putln("if (p->__weakref__) PyObject_ClearWeakRefs(o);")
for entry in py_attrs:
code.put_xdecref("p->%s" % entry.cname, entry.type, nanny=False)
if base_type: