Skip to content
Navigation Menu
{{ message }}
-
Notifications
You must be signed in to change notification settings - Fork 13
Expand file tree
/
Copy pathgenerator.py
More file actions
499 lines (452 loc) · 18.9 KB
/
Copy pathgenerator.py
File metadata and controls
499 lines (452 loc) · 18.9 KB
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
#!/usr/bin/env python3
# Copyright 2021 Peng Huang <shawn.p.huang@gmail.com>
# This file is part of Wallet-core-python.
#
# Wallet-core-python 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.
#
# Wallet-core-python 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 Wallet-core-python. If not, see <https://www.gnu.org/licenses/>.
import os
import os.path
import shutil
from filecmp import dircmp
from jinja2 import Environment, FileSystemLoader
from os.path import dirname
from parser import Parser
from string import Template as T
from tempfile import mkdtemp
DIR = os.path.abspath(os.path.dirname(__file__))
OUTPUT_DIR = os.path.join(DIR, '..', 'src', 'generated')
TEMPLATES_DIR = os.path.join(DIR, 'templates')
class Generator:
def __init__(self):
self._parser = Parser()
self._tmp_dir = mkdtemp()
self._loader = Environment(
loader=FileSystemLoader(TEMPLATES_DIR), autoescape=False)
def py_name(self, name):
py_name = [name[0].lower()]
last_is_upper = True
for c in name[1:]:
if not c.isupper():
last_is_upper = False
py_name.append(c)
else:
if not last_is_upper:
py_name.append('_')
last_is_upper = True
py_name.append(c.lower())
return ''.join(py_name)
def get_template(self, name):
return self._loader.get_template(name)
def clang_format(self, path):
# format generated c/c++ source code
os.system('/usr/bin/clang-format -style=Chromium -i \
{0}/*.cc {0}/*.h'.format(path))
def get_includes(self, used_types):
non_generated = {'AnySigner', 'Bool', 'Data', 'Number', 'String'}
includes = [name if name in non_generated else 'generated/' + name
for name in used_types]
includes.sort()
includes = ['#include "{}.h"'.format(n) for n in includes]
return includes
def process_properties(self, name, props):
template = T('''
// getter function for ${prop_name}
static const char Py${name}${prop_name}_doc[] =
"${c_property}";
static PyObject* Py${name}${prop_name}(Py${name}Object *self, void *) {
${return_type} prop = TW${name}${prop_name}(self->value);
return ${return}(prop);
}\n''')
template_with_unique = T('''
// getter function for ${prop_name}
static const char Py${name}${prop_name}_doc[] =
"${c_property}";
static PyObject* Py${name}${prop_name}(Py${name}Object *self, void *) {
${return_type} prop(TW${name}${prop_name}(self->value));
return ${return}(prop);
}\n''')
used_types = set()
getsetdefs = []
functions = []
for prop in props:
prop_name = prop._name[len(name) + 2:]
if prop._type._name in ('int32_t', 'uint8_t', 'uint16_t', 'uint32_t', 'size_t'):
return_type = prop._type._name
return_ = 'PyLong_FromLong'
elif prop._type._name == 'bool':
return_type = prop._type._name
return_ = 'PyBool_FromLong'
elif prop._type._type == 'enum':
return_type = prop._type._name
prop_type = prop._type._name[2:]
used_types.add(prop_type)
return_ = 'Py{0}_FromTW{0}'.format(prop_type)
elif prop._type._type == 'struct':
return_type = prop._type._name + '*'
prop_type = prop._type._name[2:]
used_types.add(prop_type)
return_ = 'Py{0}_FromTW{0}'.format(prop_type)
elif prop._type._name == 'TWString':
return_type = 'TWStringPtr'
prop_type = prop._type._name[2:]
used_types.add('String')
return_ = 'PyUnicode_FromTWString'
elif prop._type._name == 'TWData':
return_type = 'TWDataPtr'
prop_type = prop._type._name[2:]
used_types.add('Data')
return_ = 'PyBytes_FromTWData'
else:
raise Exception(
'Not support property type: ' + str(prop._type))
values = {
'c_property': str(prop),
'name': name,
'prop_name': prop_name,
'return_type': return_type,
'return': return_,
}
if return_type in {'TWStringPtr', 'TWDataPtr'}:
t = template_with_unique
else:
t = template
function = t.substitute(values)
functions.append(function)
getsetdefs.append(prop_name)
includes = self.get_includes(used_types)
getsetdefs_format = '{{ "{2}", (getter)Py{0}{1}, nullptr, Py{0}{1}_doc }}'
getsetdefs = [
getsetdefs_format.format(name, p, self.py_name(p))
for p in getsetdefs]
return includes, functions, getsetdefs
def process_arguments(self, args):
prepare_args = []
prepare_args.append(T('''
if (nargs != ${nargs}) {
PyErr_Format(PyExc_TypeError, "Expect ${nargs} args, but %d args are passed in.", nargs);
return nullptr;
}
''').substitute(nargs=len(args)))
template = T('''
if (!Py${arg_type}_Check(args[${i}])) {
PyErr_SetString(PyExc_TypeError, "The arg ${i} is not in type ${arg_type}");
return nullptr;
}
auto arg${i} = ${get_ctype}(args[${i}]);
''')
template_for_number = T('''
auto checked_arg${i} = PyLongArg_ToNumber<${arg_ctype}>(args[${i}], ${i}, "${arg_ctype}");
if (!checked_arg${i})
return nullptr;
const auto& arg${i} = checked_arg${i}.value();
''')
call_args = []
int_types = {
'int8_t', 'uint8_t', 'int16_t', 'uint16_t', 'int',
'int32_t', 'uint32_t', 'size_t', 'int64_t', 'uint64_t'
}
used_types = set()
for i, arg in enumerate(args):
is_number = False
if arg._type._name == 'bool':
arg_type = 'Bool'
arg_ctype = 'bool'
get_ctype = 'PyBool_IsTrue'
call_args.append('arg{}'.format(i))
used_types.add('Bool')
elif arg._type._name in int_types:
arg_type = 'Long'
arg_ctype = arg._type._name
get_ctype = 'PyLong_AsLongLong'
call_args.append('arg{}'.format(i))
used_types.add('Number')
is_number = True
elif arg._type._name == 'TWString':
assert arg._type._is_ptr
arg_type = 'Unicode'
arg_ctype = 'TWStringPtr'
get_ctype = 'PyUnicode_GetTWString'
call_args.append('arg{}.get()'.format(i))
used_types.add('String')
elif arg._type._name == 'TWData':
assert arg._type._is_ptr
arg_type = 'Bytes'
arg_ctype = 'TWDataPtr'
get_ctype = 'PyBytes_GetTWData'
call_args.append('arg{}.get()'.format(i))
used_types.add('Data')
elif arg._type._type == 'enum':
assert not arg._type._is_ptr
arg_type = arg._type._name[2:]
arg_ctype = arg._type._name
get_ctype = 'Py{0}_GetTW{0}'.format(arg_type)
call_args.append('arg{}'.format(i))
used_types.add(arg_type)
elif arg._type._type == 'struct':
assert arg._type._is_ptr
arg_type = arg._type._name[2:]
arg_ctype = arg._type._name + '*'
get_ctype = 'Py{0}_GetTW{0}'.format(arg_type)
call_args.append('arg{}'.format(i))
used_types.add(arg_type)
else:
raise Exception('Not support argument type:' + str(arg._type))
values = {
'arg_type': arg_type,
'arg_ctype': arg_ctype,
'i': i,
'get_ctype': get_ctype,
}
t = template_for_number if is_number else template
prepare_args.append(t.substitute(values))
prepare_args = '\n'.join(prepare_args)
call_args = ', '.join(call_args)
return prepare_args, call_args, used_types
def process_methods(self, name, methods, is_static):
template = T('''
// ${static}method function for ${method_name}
static const char Py${name}${method_name}_doc[] =
"${c_function}";
static PyObject* Py${name}${method_name}(Py${name}Object *self,
PyObject *const *args,
Py_ssize_t nargs) {
${prepare_args}
${return_type} result = TW${name}${method_name}(${call_args});
return ${return}(result);
}\n''')
unique_template = T('''
// ${static}method function for ${method_name}
static const char Py${name}${method_name}_doc[] =
"${c_function}";
static PyObject* Py${name}${method_name}(Py${name}Object *self,
PyObject *const *args,
Py_ssize_t nargs) {
${prepare_args}
${return_type} result(TW${name}${method_name}(${call_args}));
return ${return}(result);
}\n''')
void_template = T('''
// ${static}method function for ${method_name}
static const char Py${name}${method_name}_doc[] =
"${c_function}";
static PyObject* Py${name}${method_name}(Py${name}Object *self,
PyObject *const *args,
Py_ssize_t nargs) {
${prepare_args}
TW${name}${method_name}(${call_args});
return nullptr;
}\n''')
used_types = set()
methoddefs = []
functions = []
int_types = {
'int8_t', 'int16_t', 'int32_t', 'int64_t',
'uint8_t', 'uint16_t', 'uint32_t', 'uint64_t',
}
for method in methods:
method_name = method._name[len(name) + 2:]
if method_name == 'Delete':
assert not is_static
continue
if method._type._name in int_types:
return_type = method._type._name
return_ = 'PyLong_FromLong'
elif method._type._name in ('uint64_t'):
return_type = method._type._name
return_ = 'PyLong_FromLongLong'
elif method._type._name == 'bool':
return_type = method._type._name
return_ = 'PyBool_FromLong'
elif method._type._type == 'enum':
return_type = method._type._name
used_types.add(return_type[2:])
return_ = 'Py{0}_FromTW{0}'.format(return_type[2:])
elif method._type._type == 'struct':
assert method._type._is_ptr
return_type = method._type._name
used_types.add(return_type[2:])
return_ = 'Py{0}_FromTW{0}'.format(return_type[2:])
return_type += '*'
elif method._type._name == 'TWData':
return_type = 'TWDataPtr'
used_types.add('Data')
return_ = 'PyBytes_FromTWData'
elif method._type._name == 'TWString':
return_type = 'TWStringPtr'
used_types.add('String')
return_ = 'PyUnicode_FromTWString'
elif method._type._name == 'void':
return_type = 'void'
return_ = ''
else:
raise Exception(
'Not support method return type:' + str(method._type))
if not is_static:
prepare_args, call_args, types = self.process_arguments(
method._args[1:])
call_args = 'self->value, ' + call_args if call_args else 'self->value'
else:
prepare_args, call_args, types = self.process_arguments(
method._args)
used_types |= types
values = {
'static': 'static ' if is_static else '',
'c_function': str(method),
'name': name,
'method_name': method_name,
'prepare_args': prepare_args,
'call_args': call_args,
'return_type': return_type,
'return': return_,
}
if return_type == 'void':
t = void_template
elif return_type in {'TWStringPtr', 'TWDataPtr'}:
t = unique_template
else:
t = template
function = t.substitute(values)
functions.append(function)
methoddefs.append(method_name)
used_types.discard(name)
includes = self.get_includes(used_types)
flags = 'METH_FASTCALL | METH_STATIC' if is_static else 'METH_FASTCALL'
methoddef_fomat = '{{ "{0}", (PyCFunction)Py{1}{2}, {3}, Py{1}{2}_doc }}'
methoddefs = [
methoddef_fomat.format(self.py_name(m), name, m, flags)
for m in methoddefs]
return includes, functions, methoddefs
def generate_enum(self, enum):
name = enum._name
assert name.startswith('TW')
name = name[2:]
used_types = set()
constants = []
for fullname in enum._constants:
assert fullname.startswith('TW' + name)
shortname = fullname[2 + len(name):]
constants.append(shortname)
prop_includes, prop_functions, getsetdefs = self.process_properties(
name, enum._properties)
method_includes, method_functions, methoddefs = self.process_methods(
name, enum._methods, False)
static_method_includes, static_method_functions, static_methoddefs = self.process_methods(
name, enum._static_methods, True)
includes = prop_includes + method_includes + static_method_includes
includes.sort()
functions = prop_functions + method_functions + static_method_functions
methoddefs = methoddefs + static_methoddefs
values = {
'name': name,
'includes': includes,
'constants': constants,
'getsetdefs': getsetdefs,
'methoddefs': methoddefs,
'functions': functions,
'properties': enum._properties,
}
with open(os.path.join(self._tmp_dir, name) + '.cc', 'w') as out:
template = self.get_template('enum.cc')
output = template.render(values)
out.write(output)
with open(os.path.join(self._tmp_dir, name) + '.h', 'w') as out:
template = self.get_template('enum.h')
output = template.render(values)
out.write(output)
def generate_class(self, class_):
name = class_._name
assert name.startswith('TW')
name = name[2:]
used_types = set()
prop_includes, prop_functions, getsetdefs = self.process_properties(
name, class_._properties)
method_includes, method_functions, methoddefs = self.process_methods(
name, class_._methods, False)
static_method_includes, static_method_functions, static_methoddefs = self.process_methods(
name, class_._static_methods, True)
includes = prop_includes + method_includes + static_method_includes
includes.sort()
functions = prop_functions + method_functions + static_method_functions
methoddefs = methoddefs + static_methoddefs
values = {
'name': name,
'includes': includes,
'getsetdefs': getsetdefs,
'methoddefs': methoddefs,
'functions': functions
}
with open(os.path.join(self._tmp_dir, name) + '.cc', 'w') as out:
template = self.get_template('class.cc')
out.write(template.render(values))
with open(os.path.join(self._tmp_dir, name) + '.h', 'w') as out:
template = self.get_template('class.h')
out.write(template.render(values))
def generate_struct(self, struct):
name = struct._name
assert name.startswith('TW')
name = name[2:]
used_types = set()
prop_includes, prop_functions, getsetdefs = self.process_properties(
name, struct._properties)
method_includes, method_functions, methoddefs = self.process_methods(
name, struct._methods, False)
static_method_includes, static_method_functions, static_methoddefs = self.process_methods(
name, struct._static_methods, True)
includes = prop_includes + method_includes + static_method_includes
includes.sort()
functions = prop_functions + method_functions + static_method_functions
methoddefs = methoddefs + static_methoddefs
values = {
'name': name,
'includes': includes,
'getsetdefs': getsetdefs,
'methoddefs': methoddefs,
'functions': functions
}
with open(os.path.join(self._tmp_dir, name) + '.cc', 'w') as out:
template = self.get_template('struct.cc')
out.write(template.render(values))
with open(os.path.join(self._tmp_dir, name) + '.h', 'w') as out:
template = self.get_template('struct.h')
out.write(template.render(values))
def generate(self):
used_types = set()
for enum in self._parser._enums:
self.generate_enum(enum)
used_types.add(enum._name[2:])
for class_ in self._parser._classes:
self.generate_class(class_)
used_types.add(class_._name[2:])
for struct in self._parser._structs:
self.generate_struct(struct)
used_types.add(struct._name[2:])
used_types.add('AnySigner')
includes = self.get_includes(used_types)
names = list(used_types)
names.sort()
functions = ['PyInit_' + f for f in names]
values = {'functions': functions, 'includes': includes}
with open(os.path.join(self._tmp_dir, 'module.cc'), 'w') as out:
template = self.get_template('module.cc')
out.write(template.render(values))
self.clang_format(self._tmp_dir)
result = dircmp(self._tmp_dir, OUTPUT_DIR)
for file in result.left_only:
print('new file: ' + file)
shutil.copy(os.path.join(self._tmp_dir, file), OUTPUT_DIR)
for file in result.diff_files:
print('diff file: ' + file)
shutil.copy(os.path.join(self._tmp_dir, file), OUTPUT_DIR)
shutil.rmtree(self._tmp_dir)
if __name__ == '__main__':
Generator().generate()
You can’t perform that action at this time.