forked from danmar/cppcheck
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathtest_matchcompiler.py
More file actions
executable file
·167 lines (136 loc) · 7.47 KB
/
test_matchcompiler.py
File metadata and controls
executable file
·167 lines (136 loc) · 7.47 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
#!/usr/bin/python
#
# Cppcheck - A tool for static C/C++ code analysis
# Copyright (C) 2007-2016 Cppcheck team.
#
# This program 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/>.
import unittest
import matchcompiler
class MatchCompilerTest(unittest.TestCase):
def setUp(self):
self.mc = matchcompiler.MatchCompiler(verify_mode=False)
def test_parseMatch(self):
self.assertEqual(self.mc.parseMatch(' Token::Match(tok, ";") ', 2), [
'Token::Match(tok, ";")', 'tok', ' ";"'])
self.assertEqual(self.mc.parseMatch(' Token::Match(tok,', 2), None)
# multiline Token::Match is not supported yet
self.assertEqual(self.mc.parseMatch(' Token::Match(Token::findsimplematch(tok,")"), ";")', 2), [
'Token::Match(Token::findsimplematch(tok,")"), ";")', 'Token::findsimplematch(tok,")")', ' ";"']) # inner function call
def test_replaceTokenMatch(self):
input = 'if (Token::Match(tok, "foobar")) {'
output = self.mc._replaceTokenMatch(input)
self.assertEqual(output, 'if (match1(tok)) {')
input = 'if (Token::Match(tok->next()->next(), "foobar %type% %num%")) {'
output = self.mc._replaceTokenMatch(input)
self.assertEqual(output, 'if (match2(tok->next()->next())) {')
input = 'if (Token::Match(tok, "foo\"special\"bar %num%")) {'
output = self.mc._replaceTokenMatch(input)
self.assertEqual(
output, 'if (match3(tok)) {')
# test that non-static patterns get passed on unmatched
input = 'if (Token::Match(tok, "struct " + varname)) {'
output = self.mc._replaceTokenMatch(input)
self.assertEqual(
output, 'if (Token::Match(tok, "struct " + varname)) {')
# test that non-static patterns get passed on unmatched
input = 'if (Token::Match(tok, "extern \"C\" " + varname)) {'
output = self.mc._replaceTokenMatch(input)
self.assertEqual(
output, 'if (Token::Match(tok, "extern \"C\" " + varname)) {')
def test_replaceTokenMatchWithVarId(self):
input = 'if (Token::Match(tok, "foobar %varid%", 123)) {'
output = self.mc._replaceTokenMatch(input)
self.assertEqual(output, 'if (match1(tok, 123)) {')
input = 'if (Token::Match(tok->next()->next(), "%varid% foobar", tok->varId())) {'
output = self.mc._replaceTokenMatch(input)
self.assertEqual(
output, 'if (match2(tok->next()->next(), tok->varId())) {')
input = 'if (Token::Match(tok, "foo\"special\"bar %type% %varid%", my_varid_cache)) {'
output = self.mc._replaceTokenMatch(input)
self.assertEqual(
output, 'if (match3(tok, my_varid_cache)) {')
# test caching: reuse existing matchX()
input = 'if (Token::Match(tok, "foobar %varid%", 123)) {'
output = self.mc._replaceTokenMatch(input)
self.assertEqual(output, 'if (match1(tok, 123)) {')
# two in one line
input = 'if (Token::Match(tok, "foobar2 %varid%", 123) || Token::Match(tok, "%type% %varid%", 123)) {'
output = self.mc._replaceTokenMatch(input)
self.assertEqual(output, 'if (match4(tok, 123) || match5(tok, 123)) {')
def test_replaceTokenSimpleMatch(self):
input = 'if (Token::simpleMatch(tok, "foobar")) {'
output = self.mc._replaceTokenMatch(input)
self.assertEqual(output, 'if (match1(tok)) {')
input = 'if (Token::simpleMatch(tok->next()->next(), "foobar")) {'
output = self.mc._replaceTokenMatch(input)
self.assertEqual(output, 'if (match1(tok->next()->next())) {')
input = 'if (Token::simpleMatch(tok, "foo\"special\"bar")) {'
output = self.mc._replaceTokenMatch(input)
self.assertEqual(
output, 'if (match2(tok)) {')
def test_replaceTokenFindSimpleMatch(self):
input = 'if (Token::findsimplematch(tok, "foobar")) {'
output = self.mc._replaceTokenFindMatch(input)
self.assertEqual(output, 'if (findmatch1(tok) ) {')
input = 'if (Token::findsimplematch(tok->next()->next(), "foobar", tok->link())) {'
output = self.mc._replaceTokenFindMatch(input)
self.assertEqual(
output, 'if (findmatch2(tok->next()->next(), tok->link()) ) {')
input = 'if (Token::findsimplematch(tok, "foo\"special\"bar")) {'
output = self.mc._replaceTokenFindMatch(input)
self.assertEqual(
output, 'if (findmatch3(tok) ) {')
def test_replaceTokenFindMatch(self):
input = 'if (Token::findmatch(tok, "foobar")) {'
output = self.mc._replaceTokenFindMatch(input)
self.assertEqual(output, 'if (findmatch1(tok) ) {')
# findmatch with varid
input = 'if (Token::findmatch(tok, "foobar %varid%", tok->varId())) {'
output = self.mc._replaceTokenFindMatch(input)
self.assertEqual(output, 'if (findmatch2(tok, tok->varId()) ) {')
# findmatch with end token
input = 'if (Token::findmatch(tok->next()->next(), "foobar %type%", tok->link())) {'
output = self.mc._replaceTokenFindMatch(input)
self.assertEqual(
output, 'if (findmatch3(tok->next()->next(), tok->link()) ) {')
# findmatch with end token and varid
input = 'if (Token::findmatch(tok->next()->next(), "foobar %type% %varid%", tok->link(), 123)) {'
output = self.mc._replaceTokenFindMatch(input)
self.assertEqual(
output, 'if (findmatch4(tok->next()->next(), tok->link(), 123) ) {')
def test_parseStringComparison(self):
input = 'str == "abc"'
# offset '5' is chosen as an abritary start offset to look for
res = self.mc._parseStringComparison(input, 5)
self.assertEqual(2, len(res))
self.assertEqual('str == MatchCompiler::makeConstString("abc")', input[:res[0]] + "MatchCompiler::makeConstString(" + input[res[0]:res[1]] + ")" + input[res[1]:])
input = 'str == "a\\"b\\"c"'
res = self.mc._parseStringComparison(input, 5)
self.assertEqual(2, len(res))
self.assertEqual('str == MatchCompiler::makeConstString("a\\"b\\"c")', input[:res[0]] + "MatchCompiler::makeConstString(" + input[res[0]:res[1]] + ")" + input[res[1]:])
def test_replaceCStrings(self):
# str() ==
input = 'if (tok2->str() == "abc") {'
output = self.mc._replaceCStrings(input)
self.assertEqual('if (tok2->str() == MatchCompiler::makeConstString("abc")) {', output)
# str() !=
input = 'if (tok2->str() != "xyz") {'
output = self.mc._replaceCStrings(input)
self.assertEqual('if (tok2->str() != MatchCompiler::makeConstString("xyz")) {', output)
# strAt()
input = 'if (match16(parent->tokAt(-3)) && tok->strAt(1) == ")")'
output = self.mc._replaceCStrings(input)
self.assertEqual('if (match16(parent->tokAt(-3)) && tok->strAt(1) == MatchCompiler::makeConstString(")"))', output)
if __name__ == '__main__':
unittest.main()