forked from davidmalcolm/gcc-python-plugin
-
Notifications
You must be signed in to change notification settings - Fork 0
/
generate-tree-c.py
787 lines (689 loc) · 37.3 KB
/
generate-tree-c.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
# Copyright 2011-2013, 2015 David Malcolm <[email protected]>
# Copyright 2011-2013, 2015 Red Hat, Inc.
#
# This is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see
# <http://www.gnu.org/licenses/>.
from maketreetypes import iter_tree_types
from cpybuilder import *
from wrapperbuilder import PyGccWrapperTypeObject
from testcpychecker import get_gcc_version
tree_types = list(iter_tree_types())
# FIXME: truncate the list, for ease of development:
#tree_types = list(iter_tree_types())[:3]
cu = CompilationUnit()
cu.add_include('gcc-python.h')
cu.add_include('gcc-python-wrappers.h')
cu.add_include('gcc-plugin.h')
cu.add_include("tree.h")
cu.add_include("function.h")
cu.add_include("basic-block.h")
cu.add_include("cp/cp-tree.h")
cu.add_include("c-family/c-common.h")
cu.add_include("gcc-c-api/gcc-tree.h")
cu.add_include("gcc-c-api/gcc-constant.h")
cu.add_include("gcc-c-api/gcc-declaration.h")
cu.add_include("gcc-c-api/gcc-type.h")
cu.add_include("cp/name-lookup.h")
cu.add_include("autogenerated-casts.h")
GCC_VERSION = get_gcc_version()
if GCC_VERSION >= 4009:
# GCC 4.9 moved debug_tree here:
cu.add_include("print-tree.h")
modinit_preinit = ''
modinit_postinit = ''
def generate_tree():
#
# Generate the gcc.Tree class:
#
global modinit_preinit
global modinit_postinit
cu.add_defn("""
static PyObject *
PyGccTree_get_type(struct PyGccTree *self, void *closure)
{
return PyGccTree_New(gcc_private_make_tree(TREE_TYPE(self->t.inner)));
}
static PyObject *
PyGccTree_get_addr(struct PyGccTree *self, void *closure)
{
return PyLong_FromVoidPtr(self->t.inner);
}
""")
getsettable = PyGetSetDefTable('PyGccTree_getset_table',
[PyGetSetDef('type', 'PyGccTree_get_type', None,
'Instance of gcc.Tree giving the type of the node'),
PyGetSetDef('addr', 'PyGccTree_get_addr', None,
'The address of the underlying GCC object in memory'),
PyGetSetDef('str_decl', 'PyGccTree_get_str_decl', None,
'A string representation of this declaration of the object.'),
PyGetSetDef('str_no_uid', 'PyGccTree_get_str_no_uid', None,
'A string representation of this object, like str(), but without including any internal UID')],
identifier_prefix='PyGccTree',
typename='PyGccTree')
cu.add_defn(getsettable.c_defn())
pytype = PyGccWrapperTypeObject(identifier = 'PyGccTree_TypeObj',
localname = 'Tree',
tp_name = 'gcc.Tree',
tp_dealloc = 'PyGccWrapper_Dealloc',
struct_name = 'PyGccTree',
tp_new = 'PyType_GenericNew',
tp_getset = 'PyGccTree_getset_table',
tp_hash = '(hashfunc)PyGccTree_hash',
tp_str = '(reprfunc)PyGccTree_str',
tp_richcompare = 'PyGccTree_richcompare')
methods = PyMethodTable('PyGccTree_methods', [])
methods.add_method('walk_tree',
'(PyCFunction)PyGccTree_walk_tree',
'METH_VARARGS | METH_KEYWORDS',
'Walk the tree of the declaration')
methods.add_method('debug',
'PyGccTree_debug',
'METH_VARARGS',
"Dump the tree to stderr")
cu.add_defn("""
PyObject*
PyGccTree_debug(PyObject *self, PyObject *args)
{
PyGccTree *tree_obj;
/* FIXME: type checking */
tree_obj = (PyGccTree *)self;
debug_tree(tree_obj->t.inner);
Py_RETURN_NONE;
}
""")
cu.add_defn(methods.c_defn())
pytype.tp_methods = methods.identifier
cu.add_defn(pytype.c_defn())
modinit_preinit += pytype.c_invoke_type_ready()
modinit_postinit += pytype.c_invoke_add_to_module()
generate_tree()
type_for_code_class = {
'tcc_exceptional' : 'PyGccTree_TypeObj',
'tcc_constant' : 'PyGccConstant_TypeObj',
'tcc_type' : 'PyGccType_TypeObj',
'tcc_declaration' : 'PyGccDeclaration_TypeObj',
'tcc_reference' : 'PyGccReference_TypeObj',
'tcc_comparison' : 'PyGccComparison_TypeObj',
'tcc_unary' : 'PyGccUnary_TypeObj',
'tcc_binary' : 'PyGccBinary_TypeObj',
'tcc_statement' : 'PyGccStatement_TypeObj',
'tcc_vl_exp' : 'PyGccVlExp_TypeObj',
'tcc_expression' : 'PyGccExpression_TypeObj',
}
def generate_intermediate_tree_classes():
# Generate a "middle layer" of gcc.Tree subclasses, corresponding to most of the
# values of
# enum_tree_code_class
# from GCC's tree.h
global modinit_preinit
global modinit_postinit
for code_type in type_for_code_class.values():
# We've already built the base class:
if code_type == 'PyGccTree_TypeObj':
continue
# Strip off the "PyGcc" prefix and "_TypeObj" suffix:
localname = code_type[5:-8]
getsettable = PyGetSetDefTable('gcc_%s_getset_table' % localname, [])
methods = PyMethodTable('gcc_%s_methods' % localname, [])
pytype = PyGccWrapperTypeObject(identifier = code_type,
localname = localname,
tp_name = 'gcc.%s' % localname,
struct_name = 'PyGccTree',
tp_new = 'PyType_GenericNew',
tp_base = '&PyGccTree_TypeObj',
tp_getset = getsettable.identifier,
tp_methods = methods.identifier)
def add_simple_getter(name, c_expression, doc):
getsettable.add_gsdef(name,
cu.add_simple_getter('PyGcc%s_get_%s' % (localname, name),
'PyGccTree',
c_expression),
None,
doc)
if localname == 'Declaration':
getter = cu.add_simple_getter('PyGccTree_get_static',
'PyGccTree',
'PyBool_FromLong(TREE_STATIC(self->t.inner))')
setter = cu.add_simple_int_setter('PyGccTree_set_static',
'PyGccTree',
'static',
'TREE_STATIC(self->t.inner) = PyGccInt_AsLong(value)')
getsettable.add_gsdef('static',
getter, setter,
"(bool/bool)")
getter = cu.add_simple_getter('PyGccTree_get_initial',
'PyGccTree',
'PyGccTree_New(gcc_constructor_as_gcc_tree(gcc_var_decl_get_initial(PyGccTree_as_gcc_var_decl(self))))')
setter = cu.add_simple_int_setter('PyGccTree_set_initial',
'PyGccTree',
'initial',
'DECL_INITIAL(self->t.inner) = NULL;')
getsettable.add_gsdef('initial',
getter, setter,
"(ptr/None)")
getter = cu.add_simple_getter('PyGccTree_get_public',
'PyGccTree',
'PyBool_FromLong(TREE_PUBLIC(self->t.inner))')
setter = cu.add_simple_int_setter('PyGccTree_set_public',
'PyGccTree',
'public',
'TREE_PUBLIC(self->t.inner) = PyGccInt_AsLong(value)')
getsettable.add_gsdef('public',
getter, setter,
"(bool/bool)")
cu.add_defn("""
PyObject *
PyGccDeclaration_get_name(struct PyGccTree *self, void *closure)
{
if (DECL_NAME(self->t.inner)) {
return PyGccString_FromString(IDENTIFIER_POINTER (DECL_NAME (self->t.inner)));
}
Py_RETURN_NONE;
}
static PyObject *
PyGccDeclaration_get_location(struct PyGccTree *self, void *closure)
{
return PyGccLocation_New(gcc_decl_get_location(PyGccTree_as_gcc_decl(self)));
}
""")
getter = cu.add_simple_getter('PyGccTree_get_external',
'PyGccTree',
'PyBool_FromLong(DECL_EXTERNAL(self->t.inner))')
setter = cu.add_simple_int_setter('PyGccTree_set_',
'PyGccTree',
'external',
'DECL_EXTERNAL(self->t.inner) = PyGccInt_AsLong(value)')
getsettable.add_gsdef('external',
getter, setter,
"(bool/bool)")
getsettable.add_gsdef('name',
'PyGccDeclaration_get_name',
None,
'The name of this declaration (string)')
getsettable.add_gsdef('location',
'PyGccDeclaration_get_location',
None,
'The gcc.Location for this declaration')
getsettable.add_gsdef('attributes',
'PyGccDeclaration_get_attributes',
None,
'The user-defined attributes on this decl')
add_simple_getter('is_artificial',
'PyBool_FromLong(gcc_decl_is_artificial(PyGccTree_as_gcc_decl(self)))',
"Is this a compiler-generated entity?")
add_simple_getter('context',
'PyGccTree_New(gcc_function_decl_as_gcc_tree(gcc_private_make_function_decl(DECL_CONTEXT (PyGccTree_as_gcc_decl(self).inner))))',
"context")
add_simple_getter('is_builtin',
'PyBool_FromLong(gcc_decl_is_builtin(PyGccTree_as_gcc_decl(self)))',
"Is this declaration built in by the compiler?")
pytype.tp_repr = '(reprfunc)PyGccDeclaration_repr'
if localname == 'Type':
add_simple_getter('context',
'PyGccTree_New(gcc_function_decl_as_gcc_tree(gcc_private_make_function_decl(DECL_CONTEXT (PyGccTree_as_gcc_decl(self).inner))))',
"context")
add_simple_getter('name',
'PyGccTree_New(gcc_type_get_name(PyGccTree_as_gcc_type(self)))',
"The name of the type as a gcc.Tree, or None")
add_simple_getter('pointer',
'PyGccPointerType_New(gcc_type_get_pointer(PyGccTree_as_gcc_type(self)))',
"The gcc.PointerType representing '(this_type *)'")
getsettable.add_gsdef('attributes',
'PyGccType_get_attributes',
None,
'The user-defined attributes on this type')
getsettable.add_gsdef('sizeof',
'PyGccType_get_sizeof',
None,
'sizeof() this type, as a gcc.IntegerCst')
def add_type(c_expr_for_node, typename):
# Expose the given global type node within the gcc.Tree API
#
# The table is populated by tree.c:build_common_builtin_nodes
# but unfortunately this seems to be called after our plugin is
# initialized.
#
# Hence we add them as properties, so that they can be looked up on
# demand, rather than trying to look them up once when the module
# is set up
cu.add_defn("""
PyObject*
%s(PyObject *cls, PyObject *args)
{
return PyGccTree_New(gcc_private_make_tree(%s));
}
""" % ('PyGccType_get_%s' % typename, c_expr_for_node))
if typename == 'size_t':
desc = typename
else:
desc = typename.replace('_', ' ')
methods.add_method('%s' % typename,
'PyGccType_get_%s' % typename,
'METH_CLASS|METH_NOARGS',
"The builtin type '%s' as a gcc.Type (or None at startup before any compilation passes)" % desc)
# Add the standard C integer types as properties.
#
# Tree nodes for the standard C integer types are defined in tree.h by
# extern GTY(()) tree integer_types[itk_none];
# with macros to look into it of this form:
# #define unsigned_type_node integer_types[itk_unsigned_int]
#
std_types = ['itk_char', 'itk_signed_char', 'itk_unsigned_char',
'itk_short', 'itk_unsigned_short',
'itk_int', 'itk_unsigned_int',
'itk_long', 'itk_unsigned_long',
'itk_long_long', 'itk_unsigned_long_long']
if GCC_VERSION < 5000:
# int128 seems to have gone away in
# 9f75f0266e3611513f196c898088e2712a71eaf4, discussed at
# https://gcc.gnu.org/ml/gcc-patches/2014-08/msg01396.html
std_types += ['itk_int128', 'itk_unsigned_int128']
for std_type in std_types:
# strip off the "itk_" prefix
assert std_type.startswith('itk_')
stddef = std_type[4:]
#add_simple_getter(stddef,
# 'PyGccTree_New(gcc_private_make_tree(integer_types[%s]))' % std_type,
# "The builtin type '%s' as a gcc.Type (or None at startup before any compilation passes)" % stddef.replace('_', ' '))
add_type('integer_types[%s]' % std_type, stddef)
# Similarly,
# extern GTY(()) tree global_trees[TI_MAX];
# holds various nodes, including many with a _TYPE suffix.
# Here are some of them:
for ti in ('TI_UINT32_TYPE', 'TI_UINT64_TYPE',
'TI_FLOAT_TYPE', 'TI_DOUBLE_TYPE',
'TI_LONG_DOUBLE_TYPE', 'TI_VOID_TYPE', 'TI_SIZE_TYPE'):
# strip off the "TI_" prefix and "_TYPE" suffix:
assert ti.startswith('TI_')
assert ti.endswith('_TYPE')
if ti == 'TI_SIZE_TYPE':
name = 'size_t'
else:
name = ti[3:-5].lower()
add_type('global_trees[%s]' % ti, name)
if localname == 'Unary':
add_simple_getter('operand',
'PyGccTree_New(gcc_unary_get_operand(PyGccTree_as_gcc_unary(self)))',
'The operand of this expression, as a gcc.Tree')
# Corresponds to this gcc/tree.h macro:
# #define IS_EXPR_CODE_CLASS(CLASS)\
# ((CLASS) >= tcc_reference && (CLASS) <= tcc_expression)
if localname in ('Reference', 'Comparison', 'Unary', 'Binary',
'Statement' 'VlExp', 'Expression'):
add_simple_getter('location',
('PyGccLocation_New(gcc_%s_get_location(PyGccTree_as_gcc_%s(self)))'
% (localname.lower(),
localname.lower())),
"The source location of this expression")
methods.add_method('get_symbol',
'PyGccTree_get_symbol', # they all share the implementation
'METH_CLASS|METH_NOARGS',
"FIXME")
cu.add_defn(methods.c_defn())
cu.add_defn(getsettable.c_defn())
cu.add_defn(pytype.c_defn())
modinit_preinit += pytype.c_invoke_type_ready()
modinit_postinit += pytype.c_invoke_add_to_module()
generate_intermediate_tree_classes()
def generate_tree_code_classes():
# Generate all of the concrete gcc.Tree subclasses based on the:
# enum tree_code
# as subclasses of the above layer:
global modinit_preinit
global modinit_postinit
for tree_type in tree_types:
base_type = type_for_code_class[tree_type.TYPE]
cc = tree_type.camel_cased_string()
getsettable = PyGetSetDefTable('gcc_%s_getset_table' % cc, [],
identifier_prefix='gcc_%s' % cc,
typename='PyGccTree')
tp_as_number = None
tp_repr = None
tp_str = None
methods = PyMethodTable('gcc_%s_methods' % cc, [])
def get_getter_identifier(name):
return 'PyGcc%s_get_%s' % (cc, name)
def add_simple_getter(name, c_expression, doc):
getsettable.add_gsdef(name,
cu.add_simple_getter(get_getter_identifier(name),
'PyGccTree',
c_expression),
None,
doc)
def add_complex_getter(name, doc):
getsettable.add_gsdef(name,
get_getter_identifier(name),
None,
doc)
if cc == 'AddrExpr':
add_simple_getter('operand',
'PyGccTree_New(gcc_addr_expr_get_operand(PyGccTree_as_gcc_addr_expr(self)))',
'The operand of this expression, as a gcc.Tree')
if cc == 'StringCst':
add_simple_getter('constant',
'PyGccString_FromString(gcc_string_constant_get_char_ptr(PyGccTree_as_gcc_string_constant(self)))',
'The actual value of this constant, as a str')
tp_repr = '(reprfunc)PyGccStringConstant_repr'
if cc == 'IntegerCst':
getsettable.add_gsdef('constant',
'PyGccIntegerConstant_get_constant',
None,
'The actual value of this constant, as an int/long')
number_methods = PyNumberMethods('PyGccIntegerConstant_number_methods')
tp_as_number = number_methods.identifier
number_methods.nb_int = 'PyGccIntegerConstant_get_constant'
cu.add_defn(number_methods.c_defn())
tp_repr = '(reprfunc)PyGccIntegerConstant_repr'
if cc == 'RealCst':
getsettable.add_gsdef('constant',
'PyGccRealCst_get_constant',
None,
'The actual value of this constant, as a float')
tp_repr = '(reprfunc)PyGccRealCst_repr'
# TYPE_QUALS for various foo_TYPE classes:
if tree_type.SYM in ('VOID_TYPE', 'INTEGER_TYPE', 'REAL_TYPE',
'FIXED_POINT_TYPE', 'COMPLEX_TYPE', 'VECTOR_TYPE',
'ENUMERAL_TYPE', 'BOOLEAN_TYPE'):
for qual in ('const', 'volatile', 'restrict'):
add_simple_getter(qual,
'PyBool_FromLong(TYPE_QUALS(self->t.inner) & TYPE_QUAL_%s)' % qual.upper(),
"Boolean: does this type have the '%s' modifier?" % qual)
add_simple_getter('%s_equivalent' % qual,
'PyGccTree_New(gcc_private_make_tree(build_qualified_type(self->t.inner, TYPE_QUALS(self->t.inner) | TYPE_QUAL_%s)))' % qual.upper(),
'The gcc.Type for the %s version of this type' % qual)
add_simple_getter('main_variant',
'PyGcc_MainVariant(self)',
"The main vairant of this type")
add_simple_getter('unqualified_equivalent',
'PyGccTree_New(gcc_private_make_tree(build_qualified_type(self->t.inner, 0)))',
'The gcc.Type for the unqualified version of this type')
if tree_type.SYM == 'RECORD_TYPE':
add_simple_getter('const',
'PyBool_FromLong(TYPE_READONLY(self->t.inner))',
"Boolean: does this type have the 'const' modifier?")
if tree_type.SYM == 'INTEGER_TYPE':
add_simple_getter('unsigned',
'PyBool_FromLong(gcc_integer_type_is_unsigned(PyGccTree_as_gcc_integer_type(self)))',
"Boolean: True for 'unsigned', False for 'signed'")
add_complex_getter('signed_equivalent',
'The gcc.IntegerType for the signed version of this type')
add_complex_getter('unsigned_equivalent',
'The gcc.IntegerType for the unsigned version of this type')
add_simple_getter('max_value',
'PyGccTree_New(gcc_integer_constant_as_gcc_tree(gcc_integer_type_get_max_value(PyGccTree_as_gcc_integer_type(self))))',
'The maximum possible value for this type, as a gcc.IntegerCst')
add_simple_getter('min_value',
'PyGccTree_New(gcc_integer_constant_as_gcc_tree(gcc_integer_type_get_min_value(PyGccTree_as_gcc_integer_type(self))))',
'The minimum possible value for this type, as a gcc.IntegerCst')
tp_repr = '(reprfunc)PyGccIntegerType_repr'
if tree_type.SYM in ('INTEGER_TYPE', 'REAL_TYPE', 'FIXED_POINT_TYPE'):
prefix = 'gcc_%s' % tree_type.SYM.lower()
add_simple_getter('precision',
'PyGccInt_FromLong(%s_get_precision(PyGccTree_as_%s(self)))' % (prefix, prefix),
'The precision of this type in bits, as an int (e.g. 32)')
if tree_type.SYM in ('POINTER_TYPE', 'ARRAY_TYPE', 'VECTOR_TYPE'):
prefix = 'gcc_%s' % tree_type.SYM.lower()
add_simple_getter('dereference',
('PyGccTree_New(gcc_type_as_gcc_tree(%s_get_dereference(PyGccTree_as_%s(self))))'
% (prefix, prefix)),
"The gcc.Type that this type points to'")
if tree_type.SYM == 'POINTER_TYPE':
tp_repr = '(reprfunc)PyGccPointerType_repr'
if tree_type.SYM == 'ARRAY_TYPE':
add_simple_getter('range',
'PyGccTree_New(gcc_private_make_tree(TYPE_DOMAIN(self->t.inner)))',
"The gcc.Type that is the range of this array type")
if tree_type.SYM == 'ARRAY_REF':
add_simple_getter('array',
'PyGccTree_New(gcc_array_ref_get_array(PyGccTree_as_gcc_array_ref(self)))',
"The gcc.Tree for the array being referenced'")
add_simple_getter('index',
'PyGccTree_New(gcc_array_ref_get_index(PyGccTree_as_gcc_array_ref(self)))',
"The gcc.Tree for index being referenced'")
tp_repr = '(reprfunc)PyGccArrayRef_repr'
if tree_type.SYM == 'COMPONENT_REF':
add_simple_getter('target',
'PyGccTree_New(gcc_component_ref_get_target(PyGccTree_as_gcc_component_ref(self)))',
"The gcc.Tree that for the container of the field'")
add_simple_getter('field',
'PyGccTree_New(gcc_component_ref_get_field(PyGccTree_as_gcc_component_ref(self)))',
"The gcc.FieldDecl for the field within the target'")
tp_repr = '(reprfunc)PyGccComponentRef_repr'
if tree_type.SYM == 'MEM_REF':
add_simple_getter('operand',
'PyGccTree_New(gcc_mem_ref_get_operand(PyGccTree_as_gcc_mem_ref(self)))',
"The gcc.Tree that for the pointer expression'")
if tree_type.SYM == 'BIT_FIELD_REF':
add_simple_getter('operand',
'PyGccTree_New(gcc_private_make_tree(TREE_OPERAND(self->t.inner, 0)))',
"The gcc.Tree for the structure or union expression")
add_simple_getter('num_bits',
'PyGccTree_New(gcc_private_make_tree(TREE_OPERAND(self->t.inner, 1)))',
"The number of bits being referenced, as a gcc.IntegerCst")
add_simple_getter('position',
'PyGccTree_New(gcc_private_make_tree(TREE_OPERAND(self->t.inner, 2)))',
"The position of the first referenced bit, as a gcc.IntegerCst")
if tree_type.SYM in ('RECORD_TYPE', 'UNION_TYPE', 'QUAL_UNION_TYPE'):
add_simple_getter('fields',
'PyGcc_GetFields(self)',
"The fields of this type")
add_simple_getter('methods',
'PyGcc_GetMethods(self)',
"The methods of this type")
add_simple_getter('stub',
'PyGcc_GetStubDecl(self)',
"The stub decl of this type")
add_simple_getter('main_variant',
'PyGcc_MainVariant(self)',
"The main vairant of this type")
if tree_type.SYM == 'ENUMERAL_TYPE':
add_simple_getter('values',
'PyGcc_TreeMakeListOfPairsFromTreeListChain(TYPE_VALUES(self->t.inner))',
"The values of this type")
add_simple_getter('stub',
'PyGcc_GetStubDecl(self)',
"The stub decl of this type")
if tree_type.SYM == 'IDENTIFIER_NODE':
add_simple_getter('name',
'PyGccStringOrNone(IDENTIFIER_POINTER(self->t.inner))',
"The name of this gcc.IdentifierNode, as a string")
tp_repr = '(reprfunc)PyGccIdentifierNode_repr'
if tree_type.SYM == 'VAR_DECL':
add_simple_getter('node',
'PyGccVariable_New(gcc_private_make_variable(varpool_node::get (self->t.inner)))',
'Node which contains this var decl')
if tree_type.SYM == 'CONSTRUCTOR':
add_complex_getter('elements',
"The elements of this constructor, as a list of (index, gcc.Tree) pairs")
if tree_type.SYM == 'TRANSLATION_UNIT_DECL':
add_simple_getter('block',
'PyGccBlock_New(gcc_translation_unit_decl_get_block(PyGccTree_as_gcc_translation_unit_decl(self)))',
"The gcc.Block for this namespace")
add_simple_getter('language',
'PyGccString_FromString(gcc_translation_unit_decl_get_language(PyGccTree_as_gcc_translation_unit_decl(self)))',
"The source language of this translation unit, as a string")
if tree_type.SYM == 'BLOCK':
add_simple_getter('vars',
'PyGcc_TreeListFromChain(BLOCK_VARS(self->t.inner))',
"The list of gcc.Tree for the declarations and labels in this block")
if tree_type.SYM == 'NAMESPACE_DECL':
add_simple_getter('alias_of',
'PyGccTree_New(gcc_private_make_tree(DECL_NAMESPACE_ALIAS(self->t.inner)))',
"None if not an alias, otherwise the gcc.NamespaceDecl we alias")
add_simple_getter('declarations',
'PyGccNamespaceDecl_declarations(self->t.inner)',
'The list of gcc.Declarations within this namespace')
add_simple_getter('namespaces',
'PyGccNamespaceDecl_namespaces(self->t.inner)',
'The list of gcc.NamespaceDecl objects and gcc.TypeDecl of Unions nested in this namespace')
methods.add_method('lookup',
'(PyCFunction)PyGccNamespaceDecl_lookup',
'METH_VARARGS|METH_KEYWORDS',
"Look up the given string within this namespace")
methods.add_method('unalias',
'(PyCFunction)PyGccNamespaceDecl_unalias',
'METH_VARARGS|METH_KEYWORDS',
"A gcc.NamespaceDecl of this namespace that is not an alias")
if tree_type.SYM == 'TYPE_DECL':
getsettable.add_gsdef('pointer',
'PyGccTypeDecl_get_pointer',
None,
"The gcc.PointerType representing '(this_type *)'")
getsettable.add_gsdef('original_type',
'PyGccTypeDecl_get_original_type',
None,
"The gcc.Type from which this type was typedef'd from.'")
if tree_type.SYM == 'FUNCTION_TYPE':
getsettable.add_gsdef('argument_types',
'PyGccFunction_TypeObj_get_argument_types',
None,
"A tuple of gcc.Type instances, representing the argument types of this function type")
getsettable.add_gsdef('is_variadic',
'PyGccFunction_TypeObj_is_variadic',
None,
"Boolean: is this function variadic")
if tree_type.SYM == 'METHOD_TYPE':
getsettable.add_gsdef('argument_types',
'PyGccMethodType_get_argument_types',
None,
"A tuple of gcc.Type instances, representing the argument types of this method type")
getsettable.add_gsdef('is_variadic',
'PyGccMethodType_is_variadic',
None,
"Boolean: is this method variadic")
if tree_type.SYM == 'FUNCTION_DECL':
getsettable.add_gsdef('fullname',
'PyGccFunctionDecl_get_fullname',
None,
'C++ only: the full name of this function declaration')
add_simple_getter('function',
'PyGccFunction_New(gcc_private_make_function(DECL_STRUCT_FUNCTION(self->t.inner)))',
'The gcc.Function (or None) for this declaration')
add_simple_getter('arguments',
'PyGcc_TreeListFromChain(DECL_ARGUMENTS(self->t.inner))',
'List of gcc.ParmDecl')
add_simple_getter('result',
'PyGccTree_New(gcc_private_make_tree(DECL_RESULT_FLD(self->t.inner)))',
'The gcc.ResultDecl for the return value')
add_simple_getter('inline',
'PyBool_FromLong(DECL_DECLARED_INLINE_P(self->t.inner))',
'If function is declared as inline')
getsettable.add_gsdef('callgraph_node',
'PyGccFunctionDecl_get_callgraph_node',
None,
'The gcc.CallgraphNode for this function declaration, or None')
for attr in ('public', 'private', 'protected', 'static'):
getsettable.add_simple_getter(cu,
'is_%s' % attr,
'PyBool_FromLong(TREE_%s(self->t.inner))' % attr.upper(),
None)
if tree_type.SYM == 'SSA_NAME':
# c.f. "struct GTY(()) tree_ssa_name":
add_simple_getter('var',
'PyGccTree_New(gcc_ssa_name_get_var(PyGccTree_as_gcc_ssa_name(self)))',
"The variable being referenced'")
add_simple_getter('def_stmt',
'PyGccGimple_New(gcc_ssa_name_get_def_stmt(PyGccTree_as_gcc_ssa_name(self)))',
"The gcc.Gimple statement which defines this SSA name'")
add_simple_getter('version',
'PyGccInt_FromLong(gcc_ssa_name_get_version(PyGccTree_as_gcc_ssa_name(self)))',
"The SSA version number of this SSA name'")
tp_repr = '(reprfunc)PyGccSsaName_repr'
if tree_type.SYM == 'TREE_LIST':
# c.f. "struct GTY(()) tree_list":
tp_repr = '(reprfunc)PyGccTreeList_repr'
if tree_type.SYM == 'CASE_LABEL_EXPR':
add_simple_getter('low',
'PyGccTree_New(gcc_case_label_expr_get_low(PyGccTree_as_gcc_case_label_expr(self)))',
"The low value of the case label, as a gcc.Tree (or None for the default)")
add_simple_getter('high',
'PyGccTree_New(gcc_case_label_expr_get_high(PyGccTree_as_gcc_case_label_expr(self)))',
"The high value of the case label, if any, as a gcc.Tree (None for the default and for single-valued case labels)")
add_simple_getter('target',
'PyGccTree_New(gcc_label_decl_as_gcc_tree(gcc_case_label_expr_get_target(PyGccTree_as_gcc_case_label_expr(self))))',
"The target of the case label, as a gcc.LabelDecl")
tp_repr = '(reprfunc)PyGccCaseLabelExpr_repr'
cu.add_defn(getsettable.c_defn())
cu.add_defn(methods.c_defn())
pytype = PyGccWrapperTypeObject(identifier = 'PyGcc%s_TypeObj' % cc,
localname = cc,
tp_name = 'gcc.%s' % cc,
struct_name = 'PyGccTree',
tp_new = 'PyType_GenericNew',
tp_base = '&%s' % base_type,
tp_getset = getsettable.identifier,
tp_str = tp_str,
tp_repr = tp_repr,
tp_methods = methods.identifier,
)
if tp_as_number:
pytype.tp_as_number = '&%s' % tp_as_number
cu.add_defn(pytype.c_defn())
modinit_preinit += pytype.c_invoke_type_ready()
modinit_postinit += pytype.c_invoke_add_to_module()
cu.add_defn('\n/* Map from GCC tree codes to PyGccWrapperTypeObject* */\n')
cu.add_defn('PyGccWrapperTypeObject *pytype_for_tree_code[] = {\n')
for tree_type in tree_types:
cu.add_defn(' &PyGcc%s_TypeObj, /* %s */\n' % (tree_type.camel_cased_string(), tree_type.SYM))
cu.add_defn('};\n\n')
cu.add_defn('\n/* Map from PyGccWrapperTypeObject* to GCC tree codes*/\n')
cu.add_defn('int \n')
cu.add_defn('PyGcc_tree_type_object_as_tree_code(PyObject *cls, enum tree_code *out)\n')
cu.add_defn('{\n')
for tree_type in tree_types:
cu.add_defn(' if (cls == (PyObject*)&PyGcc%s_TypeObj) {\n'
' *out = %s; return 0;\n'
' }\n'
% (tree_type.camel_cased_string(),
tree_type.SYM))
cu.add_defn(' return -1;\n')
cu.add_defn('}\n')
cu.add_defn("""
PyGccWrapperTypeObject*
PyGcc_autogenerated_tree_type_for_tree_code(enum tree_code code, int borrow_ref)
{
PyGccWrapperTypeObject *result;
assert(code >= 0);
assert(code < MAX_TREE_CODES);
result = pytype_for_tree_code[code];
if (!borrow_ref) {
Py_INCREF(result);
}
return result;
}
PyGccWrapperTypeObject*
PyGcc_autogenerated_tree_type_for_tree(gcc_tree t, int borrow_ref)
{
enum tree_code code = TREE_CODE(t.inner);
/* printf("code:%i\\n", code); */
return PyGcc_autogenerated_tree_type_for_tree_code(code, borrow_ref);
}
""")
generate_tree_code_classes()
cu.add_defn("""
int autogenerated_tree_init_types(void)
{
""" + modinit_preinit + """
return 1;
error:
return 0;
}
""")
cu.add_defn("""
void autogenerated_tree_add_types(PyObject *m)
{
""" + modinit_postinit + """
}
""")
print(cu.as_str())