Python code coverage for Lib/sre_constants.py

#	count	content
1	n/a	#
2	n/a	# Secret Labs' Regular Expression Engine
3	n/a	#
4	n/a	# various symbols used by the regular expression engine.
5	n/a	# run this script to update the _sre include files!
6	n/a	#
7	n/a	# Copyright (c) 1998-2001 by Secret Labs AB. All rights reserved.
8	n/a	#
9	n/a	# See the sre.py file for information on usage and redistribution.
10	n/a	#
11	n/a
12	n/a	"""Internal support module for sre"""
13	n/a
14	n/a	# update when constants are added or removed
15	n/a
16	n/a	MAGIC = 20140917
17	n/a
18	n/a	from _sre import MAXREPEAT, MAXGROUPS
19	n/a
20	n/a	# SRE standard exception (access as sre.error)
21	n/a	# should this really be here?
22	n/a
23	n/a	class error(Exception):
24	n/a	def __init__(self, msg, pattern=None, pos=None):
25	n/a	self.msg = msg
26	n/a	self.pattern = pattern
27	n/a	self.pos = pos
28	n/a	if pattern is not None and pos is not None:
29	n/a	msg = '%s at position %d' % (msg, pos)
30	n/a	if isinstance(pattern, str):
31	n/a	newline = '\n'
32	n/a	else:
33	n/a	newline = b'\n'
34	n/a	self.lineno = pattern.count(newline, 0, pos) + 1
35	n/a	self.colno = pos - pattern.rfind(newline, 0, pos)
36	n/a	if newline in pattern:
37	n/a	msg = '%s (line %d, column %d)' % (msg, self.lineno, self.colno)
38	n/a	else:
39	n/a	self.lineno = self.colno = None
40	n/a	super().__init__(msg)
41	n/a
42	n/a
43	n/a	class _NamedIntConstant(int):
44	n/a	def __new__(cls, value, name):
45	n/a	self = super(_NamedIntConstant, cls).__new__(cls, value)
46	n/a	self.name = name
47	n/a	return self
48	n/a
49	n/a	def __str__(self):
50	n/a	return self.name
51	n/a
52	n/a	__repr__ = __str__
53	n/a
54	n/a	MAXREPEAT = _NamedIntConstant(MAXREPEAT, 'MAXREPEAT')
55	n/a
56	n/a	def _makecodes(names):
57	n/a	names = names.strip().split()
58	n/a	items = [_NamedIntConstant(i, name) for i, name in enumerate(names)]
59	n/a	globals().update({item.name: item for item in items})
60	n/a	return items
61	n/a
62	n/a	# operators
63	n/a	# failure=0 success=1 (just because it looks better that way :-)
64	n/a	OPCODES = _makecodes("""
65	n/a	FAILURE SUCCESS
66	n/a
67	n/a	ANY ANY_ALL
68	n/a	ASSERT ASSERT_NOT
69	n/a	AT
70	n/a	BRANCH
71	n/a	CALL
72	n/a	CATEGORY
73	n/a	CHARSET BIGCHARSET
74	n/a	GROUPREF GROUPREF_EXISTS GROUPREF_IGNORE
75	n/a	IN IN_IGNORE
76	n/a	INFO
77	n/a	JUMP
78	n/a	LITERAL LITERAL_IGNORE
79	n/a	MARK
80	n/a	MAX_UNTIL
81	n/a	MIN_UNTIL
82	n/a	NOT_LITERAL NOT_LITERAL_IGNORE
83	n/a	NEGATE
84	n/a	RANGE
85	n/a	REPEAT
86	n/a	REPEAT_ONE
87	n/a	SUBPATTERN
88	n/a	MIN_REPEAT_ONE
89	n/a	RANGE_IGNORE
90	n/a
91	n/a	MIN_REPEAT MAX_REPEAT
92	n/a	""")
93	n/a	del OPCODES[-2:] # remove MIN_REPEAT and MAX_REPEAT
94	n/a
95	n/a	# positions
96	n/a	ATCODES = _makecodes("""
97	n/a	AT_BEGINNING AT_BEGINNING_LINE AT_BEGINNING_STRING
98	n/a	AT_BOUNDARY AT_NON_BOUNDARY
99	n/a	AT_END AT_END_LINE AT_END_STRING
100	n/a	AT_LOC_BOUNDARY AT_LOC_NON_BOUNDARY
101	n/a	AT_UNI_BOUNDARY AT_UNI_NON_BOUNDARY
102	n/a	""")
103	n/a
104	n/a	# categories
105	n/a	CHCODES = _makecodes("""
106	n/a	CATEGORY_DIGIT CATEGORY_NOT_DIGIT
107	n/a	CATEGORY_SPACE CATEGORY_NOT_SPACE
108	n/a	CATEGORY_WORD CATEGORY_NOT_WORD
109	n/a	CATEGORY_LINEBREAK CATEGORY_NOT_LINEBREAK
110	n/a	CATEGORY_LOC_WORD CATEGORY_LOC_NOT_WORD
111	n/a	CATEGORY_UNI_DIGIT CATEGORY_UNI_NOT_DIGIT
112	n/a	CATEGORY_UNI_SPACE CATEGORY_UNI_NOT_SPACE
113	n/a	CATEGORY_UNI_WORD CATEGORY_UNI_NOT_WORD
114	n/a	CATEGORY_UNI_LINEBREAK CATEGORY_UNI_NOT_LINEBREAK
115	n/a	""")
116	n/a
117	n/a
118	n/a	# replacement operations for "ignore case" mode
119	n/a	OP_IGNORE = {
120	n/a	GROUPREF: GROUPREF_IGNORE,
121	n/a	IN: IN_IGNORE,
122	n/a	LITERAL: LITERAL_IGNORE,
123	n/a	NOT_LITERAL: NOT_LITERAL_IGNORE,
124	n/a	RANGE: RANGE_IGNORE,
125	n/a	}
126	n/a
127	n/a	AT_MULTILINE = {
128	n/a	AT_BEGINNING: AT_BEGINNING_LINE,
129	n/a	AT_END: AT_END_LINE
130	n/a	}
131	n/a
132	n/a	AT_LOCALE = {
133	n/a	AT_BOUNDARY: AT_LOC_BOUNDARY,
134	n/a	AT_NON_BOUNDARY: AT_LOC_NON_BOUNDARY
135	n/a	}
136	n/a
137	n/a	AT_UNICODE = {
138	n/a	AT_BOUNDARY: AT_UNI_BOUNDARY,
139	n/a	AT_NON_BOUNDARY: AT_UNI_NON_BOUNDARY
140	n/a	}
141	n/a
142	n/a	CH_LOCALE = {
143	n/a	CATEGORY_DIGIT: CATEGORY_DIGIT,
144	n/a	CATEGORY_NOT_DIGIT: CATEGORY_NOT_DIGIT,
145	n/a	CATEGORY_SPACE: CATEGORY_SPACE,
146	n/a	CATEGORY_NOT_SPACE: CATEGORY_NOT_SPACE,
147	n/a	CATEGORY_WORD: CATEGORY_LOC_WORD,
148	n/a	CATEGORY_NOT_WORD: CATEGORY_LOC_NOT_WORD,
149	n/a	CATEGORY_LINEBREAK: CATEGORY_LINEBREAK,
150	n/a	CATEGORY_NOT_LINEBREAK: CATEGORY_NOT_LINEBREAK
151	n/a	}
152	n/a
153	n/a	CH_UNICODE = {
154	n/a	CATEGORY_DIGIT: CATEGORY_UNI_DIGIT,
155	n/a	CATEGORY_NOT_DIGIT: CATEGORY_UNI_NOT_DIGIT,
156	n/a	CATEGORY_SPACE: CATEGORY_UNI_SPACE,
157	n/a	CATEGORY_NOT_SPACE: CATEGORY_UNI_NOT_SPACE,
158	n/a	CATEGORY_WORD: CATEGORY_UNI_WORD,
159	n/a	CATEGORY_NOT_WORD: CATEGORY_UNI_NOT_WORD,
160	n/a	CATEGORY_LINEBREAK: CATEGORY_UNI_LINEBREAK,
161	n/a	CATEGORY_NOT_LINEBREAK: CATEGORY_UNI_NOT_LINEBREAK
162	n/a	}
163	n/a
164	n/a	# flags
165	n/a	SRE_FLAG_TEMPLATE = 1 # template mode (disable backtracking)
166	n/a	SRE_FLAG_IGNORECASE = 2 # case insensitive
167	n/a	SRE_FLAG_LOCALE = 4 # honour system locale
168	n/a	SRE_FLAG_MULTILINE = 8 # treat target as multiline string
169	n/a	SRE_FLAG_DOTALL = 16 # treat target as a single string
170	n/a	SRE_FLAG_UNICODE = 32 # use unicode "locale"
171	n/a	SRE_FLAG_VERBOSE = 64 # ignore whitespace and comments
172	n/a	SRE_FLAG_DEBUG = 128 # debugging
173	n/a	SRE_FLAG_ASCII = 256 # use ascii "locale"
174	n/a
175	n/a	# flags for INFO primitive
176	n/a	SRE_INFO_PREFIX = 1 # has prefix
177	n/a	SRE_INFO_LITERAL = 2 # entire pattern is literal (given by prefix)
178	n/a	SRE_INFO_CHARSET = 4 # pattern starts with character from given set
179	n/a
180	n/a	if __name__ == "__main__":
181	n/a	def dump(f, d, prefix):
182	n/a	items = sorted(d)
183	n/a	for item in items:
184	n/a	f.write("#define %s_%s %d\n" % (prefix, item, item))
185	n/a	with open("sre_constants.h", "w") as f:
186	n/a	f.write("""\
187	n/a	/*
188	n/a	* Secret Labs' Regular Expression Engine
189	n/a	*
190	n/a	* regular expression matching engine
191	n/a	*
192	n/a	* NOTE: This file is generated by sre_constants.py. If you need
193	n/a	* to change anything in here, edit sre_constants.py and run it.
194	n/a	*
195	n/a	* Copyright (c) 1997-2001 by Secret Labs AB. All rights reserved.
196	n/a	*
197	n/a	* See the _sre.c file for information on usage and redistribution.
198	n/a	*/
199	n/a
200	n/a	""")
201	n/a
202	n/a	f.write("#define SRE_MAGIC %d\n" % MAGIC)
203	n/a
204	n/a	dump(f, OPCODES, "SRE_OP")
205	n/a	dump(f, ATCODES, "SRE")
206	n/a	dump(f, CHCODES, "SRE")
207	n/a
208	n/a	f.write("#define SRE_FLAG_TEMPLATE %d\n" % SRE_FLAG_TEMPLATE)
209	n/a	f.write("#define SRE_FLAG_IGNORECASE %d\n" % SRE_FLAG_IGNORECASE)
210	n/a	f.write("#define SRE_FLAG_LOCALE %d\n" % SRE_FLAG_LOCALE)
211	n/a	f.write("#define SRE_FLAG_MULTILINE %d\n" % SRE_FLAG_MULTILINE)
212	n/a	f.write("#define SRE_FLAG_DOTALL %d\n" % SRE_FLAG_DOTALL)
213	n/a	f.write("#define SRE_FLAG_UNICODE %d\n" % SRE_FLAG_UNICODE)
214	n/a	f.write("#define SRE_FLAG_VERBOSE %d\n" % SRE_FLAG_VERBOSE)
215	n/a	f.write("#define SRE_FLAG_DEBUG %d\n" % SRE_FLAG_DEBUG)
216	n/a	f.write("#define SRE_FLAG_ASCII %d\n" % SRE_FLAG_ASCII)
217	n/a
218	n/a	f.write("#define SRE_INFO_PREFIX %d\n" % SRE_INFO_PREFIX)
219	n/a	f.write("#define SRE_INFO_LITERAL %d\n" % SRE_INFO_LITERAL)
220	n/a	f.write("#define SRE_INFO_CHARSET %d\n" % SRE_INFO_CHARSET)
221	n/a
222	n/a	print("done")