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Ivan
2022-04-05 11:42:28 +03:00
commit 6dc0eb0fcf
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thirdparty/opengv/python/pybind11/tools/mkdoc.py vendored Normal file
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#!/usr/bin/env python3
#
# Syntax: mkdoc.py [-I<path> ..] [.. a list of header files ..]
#
# Extract documentation from C++ header files to use it in Python bindings
#
import os
import sys
import platform
import re
import textwrap
from clang import cindex
from clang.cindex import CursorKind
from collections import OrderedDict
from threading import Thread, Semaphore
from multiprocessing import cpu_count
RECURSE_LIST = [
CursorKind.TRANSLATION_UNIT,
CursorKind.NAMESPACE,
CursorKind.CLASS_DECL,
CursorKind.STRUCT_DECL,
CursorKind.ENUM_DECL,
CursorKind.CLASS_TEMPLATE
]
PRINT_LIST = [
CursorKind.CLASS_DECL,
CursorKind.STRUCT_DECL,
CursorKind.ENUM_DECL,
CursorKind.ENUM_CONSTANT_DECL,
CursorKind.CLASS_TEMPLATE,
CursorKind.FUNCTION_DECL,
CursorKind.FUNCTION_TEMPLATE,
CursorKind.CONVERSION_FUNCTION,
CursorKind.CXX_METHOD,
CursorKind.CONSTRUCTOR,
CursorKind.FIELD_DECL
]
CPP_OPERATORS = {
'<=': 'le', '>=': 'ge', '==': 'eq', '!=': 'ne', '[]': 'array',
'+=': 'iadd', '-=': 'isub', '*=': 'imul', '/=': 'idiv', '%=':
'imod', '&=': 'iand', '|=': 'ior', '^=': 'ixor', '<<=': 'ilshift',
'>>=': 'irshift', '++': 'inc', '--': 'dec', '<<': 'lshift', '>>':
'rshift', '&&': 'land', '||': 'lor', '!': 'lnot', '~': 'bnot',
'&': 'band', '|': 'bor', '+': 'add', '-': 'sub', '*': 'mul', '/':
'div', '%': 'mod', '<': 'lt', '>': 'gt', '=': 'assign', '()': 'call'
}
CPP_OPERATORS = OrderedDict(
sorted(CPP_OPERATORS.items(), key=lambda t: -len(t[0])))
job_count = cpu_count()
job_semaphore = Semaphore(job_count)
output = []
def d(s):
return s.decode('utf8')
def sanitize_name(name):
name = re.sub(r'type-parameter-0-([0-9]+)', r'T\1', name)
for k, v in CPP_OPERATORS.items():
name = name.replace('operator%s' % k, 'operator_%s' % v)
name = re.sub('<.*>', '', name)
name = ''.join([ch if ch.isalnum() else '_' for ch in name])
name = re.sub('_$', '', re.sub('_+', '_', name))
return '__doc_' + name
def process_comment(comment):
result = ''
# Remove C++ comment syntax
leading_spaces = float('inf')
for s in comment.expandtabs(tabsize=4).splitlines():
s = s.strip()
if s.startswith('/*'):
s = s[2:].lstrip('*')
elif s.endswith('*/'):
s = s[:-2].rstrip('*')
elif s.startswith('///'):
s = s[3:]
if s.startswith('*'):
s = s[1:]
if len(s) > 0:
leading_spaces = min(leading_spaces, len(s) - len(s.lstrip()))
result += s + '\n'
if leading_spaces != float('inf'):
result2 = ""
for s in result.splitlines():
result2 += s[leading_spaces:] + '\n'
result = result2
# Doxygen tags
cpp_group = '([\w:]+)'
param_group = '([\[\w:\]]+)'
s = result
s = re.sub(r'\\c\s+%s' % cpp_group, r'``\1``', s)
s = re.sub(r'\\a\s+%s' % cpp_group, r'*\1*', s)
s = re.sub(r'\\e\s+%s' % cpp_group, r'*\1*', s)
s = re.sub(r'\\em\s+%s' % cpp_group, r'*\1*', s)
s = re.sub(r'\\b\s+%s' % cpp_group, r'**\1**', s)
s = re.sub(r'\\ingroup\s+%s' % cpp_group, r'', s)
s = re.sub(r'\\param%s?\s+%s' % (param_group, cpp_group),
r'\n\n$Parameter ``\2``:\n\n', s)
s = re.sub(r'\\tparam%s?\s+%s' % (param_group, cpp_group),
r'\n\n$Template parameter ``\2``:\n\n', s)
for in_, out_ in {
'return': 'Returns',
'author': 'Author',
'authors': 'Authors',
'copyright': 'Copyright',
'date': 'Date',
'remark': 'Remark',
'sa': 'See also',
'see': 'See also',
'extends': 'Extends',
'throw': 'Throws',
'throws': 'Throws'
}.items():
s = re.sub(r'\\%s\s*' % in_, r'\n\n$%s:\n\n' % out_, s)
s = re.sub(r'\\details\s*', r'\n\n', s)
s = re.sub(r'\\brief\s*', r'', s)
s = re.sub(r'\\short\s*', r'', s)
s = re.sub(r'\\ref\s*', r'', s)
s = re.sub(r'\\code\s?(.*?)\s?\\endcode',
r"```\n\1\n```\n", s, flags=re.DOTALL)
# HTML/TeX tags
s = re.sub(r'<tt>(.*?)</tt>', r'``\1``', s, flags=re.DOTALL)
s = re.sub(r'<pre>(.*?)</pre>', r"```\n\1\n```\n", s, flags=re.DOTALL)
s = re.sub(r'<em>(.*?)</em>', r'*\1*', s, flags=re.DOTALL)
s = re.sub(r'<b>(.*?)</b>', r'**\1**', s, flags=re.DOTALL)
s = re.sub(r'\\f\$(.*?)\\f\$', r'$\1$', s, flags=re.DOTALL)
s = re.sub(r'<li>', r'\n\n* ', s)
s = re.sub(r'</?ul>', r'', s)
s = re.sub(r'</li>', r'\n\n', s)
s = s.replace('``true``', '``True``')
s = s.replace('``false``', '``False``')
# Re-flow text
wrapper = textwrap.TextWrapper()
wrapper.expand_tabs = True
wrapper.replace_whitespace = True
wrapper.drop_whitespace = True
wrapper.width = 70
wrapper.initial_indent = wrapper.subsequent_indent = ''
result = ''
in_code_segment = False
for x in re.split(r'(```)', s):
if x == '```':
if not in_code_segment:
result += '```\n'
else:
result += '\n```\n\n'
in_code_segment = not in_code_segment
elif in_code_segment:
result += x.strip()
else:
for y in re.split(r'(?: *\n *){2,}', x):
wrapped = wrapper.fill(re.sub(r'\s+', ' ', y).strip())
if len(wrapped) > 0 and wrapped[0] == '$':
result += wrapped[1:] + '\n'
wrapper.initial_indent = \
wrapper.subsequent_indent = ' ' * 4
else:
if len(wrapped) > 0:
result += wrapped + '\n\n'
wrapper.initial_indent = wrapper.subsequent_indent = ''
return result.rstrip().lstrip('\n')
def extract(filename, node, prefix):
if not (node.location.file is None or
os.path.samefile(d(node.location.file.name), filename)):
return 0
if node.kind in RECURSE_LIST:
sub_prefix = prefix
if node.kind != CursorKind.TRANSLATION_UNIT:
if len(sub_prefix) > 0:
sub_prefix += '_'
sub_prefix += d(node.spelling)
for i in node.get_children():
extract(filename, i, sub_prefix)
if node.kind in PRINT_LIST:
comment = d(node.raw_comment) if node.raw_comment is not None else ''
comment = process_comment(comment)
sub_prefix = prefix
if len(sub_prefix) > 0:
sub_prefix += '_'
if len(node.spelling) > 0:
name = sanitize_name(sub_prefix + d(node.spelling))
global output
output.append((name, filename, comment))
class ExtractionThread(Thread):
def __init__(self, filename, parameters):
Thread.__init__(self)
self.filename = filename
self.parameters = parameters
job_semaphore.acquire()
def run(self):
print('Processing "%s" ..' % self.filename, file=sys.stderr)
try:
index = cindex.Index(
cindex.conf.lib.clang_createIndex(False, True))
tu = index.parse(self.filename, self.parameters)
extract(self.filename, tu.cursor, '')
finally:
job_semaphore.release()
if __name__ == '__main__':
parameters = ['-x', 'c++', '-std=c++11']
filenames = []
if platform.system() == 'Darwin':
dev_path = '/Applications/Xcode.app/Contents/Developer/'
lib_dir = dev_path + 'Toolchains/XcodeDefault.xctoolchain/usr/lib/'
sdk_dir = dev_path + 'Platforms/MacOSX.platform/Developer/SDKs'
libclang = lib_dir + 'libclang.dylib'
if os.path.exists(libclang):
cindex.Config.set_library_path(os.path.dirname(libclang))
if os.path.exists(sdk_dir):
sysroot_dir = os.path.join(sdk_dir, next(os.walk(sdk_dir))[1][0])
parameters.append('-isysroot')
parameters.append(sysroot_dir)
for item in sys.argv[1:]:
if item.startswith('-'):
parameters.append(item)
else:
filenames.append(item)
if len(filenames) == 0:
print('Syntax: %s [.. a list of header files ..]' % sys.argv[0])
exit(-1)
print('''/*
This file contains docstrings for the Python bindings.
Do not edit! These were automatically extracted by mkdoc.py
*/
#define __EXPAND(x) x
#define __COUNT(_1, _2, _3, _4, _5, _6, _7, COUNT, ...) COUNT
#define __VA_SIZE(...) __EXPAND(__COUNT(__VA_ARGS__, 7, 6, 5, 4, 3, 2, 1))
#define __CAT1(a, b) a ## b
#define __CAT2(a, b) __CAT1(a, b)
#define __DOC1(n1) __doc_##n1
#define __DOC2(n1, n2) __doc_##n1##_##n2
#define __DOC3(n1, n2, n3) __doc_##n1##_##n2##_##n3
#define __DOC4(n1, n2, n3, n4) __doc_##n1##_##n2##_##n3##_##n4
#define __DOC5(n1, n2, n3, n4, n5) __doc_##n1##_##n2##_##n3##_##n4##_##n5
#define __DOC6(n1, n2, n3, n4, n5, n6) __doc_##n1##_##n2##_##n3##_##n4##_##n5##_##n6
#define __DOC7(n1, n2, n3, n4, n5, n6, n7) __doc_##n1##_##n2##_##n3##_##n4##_##n5##_##n6##_##n7
#define DOC(...) __EXPAND(__EXPAND(__CAT2(__DOC, __VA_SIZE(__VA_ARGS__)))(__VA_ARGS__))
#if defined(__GNUG__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-variable"
#endif
''')
output.clear()
for filename in filenames:
thr = ExtractionThread(filename, parameters)
thr.start()
print('Waiting for jobs to finish ..', file=sys.stderr)
for i in range(job_count):
job_semaphore.acquire()
name_ctr = 1
name_prev = None
for name, _, comment in list(sorted(output, key=lambda x: (x[0], x[1]))):
if name == name_prev:
name_ctr += 1
name = name + "_%i" % name_ctr
else:
name_prev = name
name_ctr = 1
print('\nstatic const char *%s =%sR"doc(%s)doc";' %
(name, '\n' if '\n' in comment else ' ', comment))
print('''
#if defined(__GNUG__)
#pragma GCC diagnostic pop
#endif
''')