cppcheck.rules 13.7 KB
Newer Older
Paul's avatar
Paul committed
1
<?xml version="1.0"?>
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
<rule>
    <pattern> [;{}] [*] \w+? (\+\+|\-\-) ; </pattern>
    <message>
        <id>UnusedDeref</id>
        <severity>style</severity>
        <summary>Redundant * found, "*p++" is the same as "*(p++)".</summary>
    </message>
</rule>
<rule>
    <pattern> if \( ([!] )*?(strlen) \( \w+? \) ([>] [0] )*?\) { </pattern>
    <message>
        <id>StrlenEmptyString</id>
        <severity>performance</severity>
        <summary>Using strlen() to check if a string is empty is not efficient.</summary>
    </message>
</rule>
<rule>
    <pattern> [;{}] [*] \w+? (\+\+|\-\-) ; </pattern>
    <message>
        <id>UnusedDeref</id>
        <severity>style</severity>
        <summary>Redundant * found, "*p++" is the same as "*(p++)".</summary>
    </message>
</rule>
Paul's avatar
Paul committed
26
27
28
29
30
31
32
33
34
35
36
<rule>
    <tokenlist>define</tokenlist>
    <pattern>define [0-9A-Z_^a-z]*[a-z]</pattern>
    <message>
        <id>defineUpperCase</id>
        <severity>style</severity>
        <summary>Macros must be uppercase</summary>
    </message>
</rule>
<rule>
    <tokenlist>define</tokenlist>
Paul's avatar
Paul committed
37
    <pattern>define (MIGRAPH|[^X]{7})[^X][^_]</pattern>
Paul's avatar
Paul committed
38
39
40
    <message>
        <id>definePrefix</id>
        <severity>style</severity>
Paul's avatar
Paul committed
41
        <summary>Macros must be prefixed with MIGRAPHX_</summary>
Paul's avatar
Paul committed
42
    </message>
Paul's avatar
Paul committed
43
44
45
46
47
48
49
50
</rule>
<rule>
    <pattern>mutable \w+</pattern>
    <message>
        <id>MutableVariable</id>
        <severity>style</severity>
        <summary>Do not create mutable variables.</summary>
    </message>
Paul's avatar
Paul committed
51
52
</rule>
<rule>
Paul's avatar
Paul committed
53
    <pattern>(memcpy|strcpy|strncpy|strcat|strncat) \(</pattern>
Paul's avatar
Paul committed
54
55
56
    <message>
        <id>useStlAlgorithms</id>
        <severity>style</severity>
Paul's avatar
Paul committed
57
        <summary>Use std::copy instead</summary>
Paul's avatar
Paul committed
58
59
60
61
62
63
64
    </message>
</rule>
<rule>
    <pattern>memset \(</pattern>
    <message>
        <id>useStlAlgorithms</id>
        <severity>style</severity>
Paul's avatar
Paul committed
65
66
67
68
69
70
71
72
        <summary>Use std::fill instead</summary>
    </message>
</rule>
<rule>
    <pattern>memcmp \(</pattern>
    <message>
        <id>useStlAlgorithms</id>
        <severity>style</severity>
73
        <summary>Use std::equal_range instead</summary>
Paul's avatar
Paul committed
74
75
76
77
78
79
80
81
82
83
84
    </message>
</rule>
<rule>
    <pattern>memchr \(</pattern>
    <message>
        <id>useStlAlgorithms</id>
        <severity>style</severity>
        <summary>Use std::find instead</summary>
    </message>
</rule>
<rule>
Paul's avatar
Paul committed
85
    <pattern>\\W(fclose|free|hipFree|hipHostFree|hipFreeArray|hipMemFree|hipStreamDestroy|hipEventDestroy|hipArrayDestroy|hipCtxDestroy|hipDestroyTextureObject|hipDestroySurfaceObject) \(</pattern>
Paul's avatar
Paul committed
86
87
88
89
90
91
    <message>
        <id>useManagePointer</id>
        <severity>style</severity>
        <summary>Use manage pointer for resource management</summary>
    </message>
</rule>
Paul's avatar
Paul committed
92
93
94
95
96
97
98
99
100
<rule>
    <tokenlist>raw</tokenlist>
    <pattern><![CDATA[hipLaunchKernelGGL \( (?!\( \w+ < \w+ > \))]]></pattern>
    <message>
        <id>UseDeviceLaunch</id>
        <severity>style</severity>
        <summary>Use device::launch instead</summary>
    </message>
</rule>
Paul's avatar
Paul committed
101
102
<rule>
    <tokenlist>normal</tokenlist>
Paul's avatar
Paul committed
103
    <pattern><![CDATA[if (\([^()]*(?-1)*[^()]*\)) { [^{}]* (return|throw|break|continue) [^;]* ; } else {]]></pattern>
Paul's avatar
Paul committed
104
    <message>
Paul's avatar
Paul committed
105
        <id>UnnecessaryElseStatement</id>
Paul's avatar
Paul committed
106
        <severity>style</severity>
Paul's avatar
Paul committed
107
        <summary>Else statement is not necessary.</summary>
Paul's avatar
Paul committed
108
109
    </message>
</rule>
Paul's avatar
Paul committed
110
111
<rule>
    <tokenlist>normal</tokenlist>
Paul's avatar
Paul committed
112
    <pattern><![CDATA[\? (true|false) : (true|false)]]></pattern>
Paul's avatar
Paul committed
113
    <message>
Paul's avatar
Paul committed
114
        <id>RedundantConditionalOperator</id>
Paul's avatar
Paul committed
115
        <severity>style</severity>
Paul's avatar
Paul committed
116
        <summary>Conditional operator is redundant.</summary>
Paul's avatar
Paul committed
117
118
119
120
    </message>
</rule>
<rule>
    <tokenlist>normal</tokenlist>
Paul's avatar
Paul committed
121
    <pattern><![CDATA[switch (\([^()]*(?-1)*[^()]*\)) { }]]></pattern>
Paul's avatar
Paul committed
122
    <message>
Paul's avatar
Paul committed
123
        <id>EmptySwitchStatement</id>
Paul's avatar
Paul committed
124
        <severity>style</severity>
Paul's avatar
Paul committed
125
        <summary>Empty switch statement.</summary>
Paul's avatar
Paul committed
126
127
128
129
    </message>
</rule>
<rule>
    <tokenlist>normal</tokenlist>
Paul's avatar
Paul committed
130
    <pattern><![CDATA[(?:(?:\w+|<|>|::) )*(?:\w+|>)(?: &|\*)* (\w) ; \1 = [^;]+ ; return \1 ;]]></pattern>
Paul's avatar
Paul committed
131
    <message>
Paul's avatar
Paul committed
132
        <id>RedundantLocalVariable</id>
Paul's avatar
Paul committed
133
        <severity>style</severity>
Paul's avatar
Paul committed
134
        <summary>Variable is returned immediately after its declaration, can be simplified to just return expression.</summary>
Paul's avatar
Paul committed
135
136
137
138
    </message>
</rule>
<rule>
    <tokenlist>normal</tokenlist>
Paul's avatar
Paul committed
139
    <pattern><![CDATA[for \( ; [^;]+ ; \)]]></pattern>
Paul's avatar
Paul committed
140
    <message>
Paul's avatar
Paul committed
141
        <id>ForLoopShouldBeWhileLoop</id>
Paul's avatar
Paul committed
142
        <severity>style</severity>
Paul's avatar
Paul committed
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
        <summary>For loop should be written as a while loop.</summary>
    </message>
</rule>
<rule>
    <tokenlist>normal</tokenlist>
    <pattern><![CDATA[while (\([^()]*(?-1)*[^()]*\)) { }]]></pattern>
    <message>
        <id>EmptyWhileStatement</id>
        <severity>style</severity>
        <summary>Empty while statement.</summary>
    </message>
</rule>
<rule>
    <tokenlist>normal</tokenlist>
    <pattern><![CDATA[if \( \w+ (\||&) \w+ \)]]></pattern>
    <message>
        <id>BitwiseOperatorInConditional</id>
        <severity>style</severity>
        <summary>Bitwise operator found in if statement.</summary>
Paul's avatar
Paul committed
162
163
164
165
166
167
168
169
170
171
172
173
174
    </message>
</rule>
<rule>
    <tokenlist>normal</tokenlist>
    <pattern><![CDATA[else { }]]></pattern>
    <message>
        <id>EmptyElseBlock</id>
        <severity>style</severity>
        <summary>Empty else statement can be safely removed.</summary>
    </message>
</rule>
<rule>
    <tokenlist>normal</tokenlist>
Paul's avatar
Paul committed
175
    <pattern><![CDATA[for (\([^()]*(?-1)*[^()]*\)) { }]]></pattern>
Paul's avatar
Paul committed
176
177
178
179
180
181
182
183
    <message>
        <id>EmptyForStatement</id>
        <severity>style</severity>
        <summary>Empty for statement.</summary>
    </message>
</rule>
<rule>
    <tokenlist>normal</tokenlist>
Paul's avatar
Paul committed
184
    <pattern><![CDATA[if (\([^()]*(?-1)*[^()]*\)) { }]]></pattern>
Paul's avatar
Paul committed
185
186
187
188
189
190
191
192
    <message>
        <id>EmptyIfStatement</id>
        <severity>style</severity>
        <summary>Empty if statement.</summary>
    </message>
</rule>
<rule>
    <tokenlist>normal</tokenlist>
Paul's avatar
Paul committed
193
    <pattern><![CDATA[if (\([^()]*(?-1)*[^()]*\)) { return (true|false) ; } else { return (true|false) ; }]]></pattern>
Paul's avatar
Paul committed
194
    <message>
Paul's avatar
Paul committed
195
        <id>RedundantIfStatement</id>
Paul's avatar
Paul committed
196
        <severity>style</severity>
Paul's avatar
Paul committed
197
        <summary>The if statement is redundant.</summary>
Paul's avatar
Paul committed
198
199
200
201
    </message>
</rule>
<rule>
    <tokenlist>normal</tokenlist>
Paul's avatar
Paul committed
202
    <pattern><![CDATA[! !]]></pattern>
Paul's avatar
Paul committed
203
    <message>
Paul's avatar
Paul committed
204
        <id>DoubleNegative</id>
Paul's avatar
Paul committed
205
        <severity>style</severity>
Paul's avatar
Paul committed
206
        <summary>Double negative is always positive.</summary>
Paul's avatar
Paul committed
207
208
209
210
    </message>
</rule>
<rule>
    <tokenlist>normal</tokenlist>
Paul's avatar
Paul committed
211
    <pattern><![CDATA[~ ~]]></pattern>
Paul's avatar
Paul committed
212
    <message>
Paul's avatar
Paul committed
213
        <id>DoubleNegative</id>
Paul's avatar
Paul committed
214
        <severity>style</severity>
Paul's avatar
Paul committed
215
        <summary>Double negative is always positive.</summary>
Paul's avatar
Paul committed
216
217
218
219
    </message>
</rule>
<rule>
    <tokenlist>normal</tokenlist>
Paul's avatar
Paul committed
220
    <pattern><![CDATA[! \( !]]></pattern>
Paul's avatar
Paul committed
221
    <message>
Paul's avatar
Paul committed
222
        <id>DoubleNegative</id>
Paul's avatar
Paul committed
223
        <severity>style</severity>
Paul's avatar
Paul committed
224
225
226
227
228
229
230
231
232
233
        <summary>Double negative is always positive.</summary>
    </message>
</rule>
<rule>
    <tokenlist>normal</tokenlist>
    <pattern><![CDATA[~ \( ~]]></pattern>
    <message>
        <id>DoubleNegative</id>
        <severity>style</severity>
        <summary>Double negative is always positive.</summary>
Paul's avatar
Paul committed
234
235
236
237
    </message>
</rule>
<rule>
    <tokenlist>normal</tokenlist>
Paul's avatar
Paul committed
238
    <pattern><![CDATA[if \( \w+ != \w+ \) ({[^{}]*(?-1)*[^{}]*}) else { (?!if)]]></pattern>
Paul's avatar
Paul committed
239
240
241
242
243
244
245
246
    <message>
        <id>InvertedLogic</id>
        <severity>style</severity>
        <summary>It is cleaner to invert the logic.</summary>
    </message>
</rule>
<rule>
    <tokenlist>normal</tokenlist>
Paul's avatar
Paul committed
247
    <pattern><![CDATA[if \( ! \w+ \) ({[^{}]*(?-1)*[^{}]*}) else { (?!if)]]></pattern>
Paul's avatar
Paul committed
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
    <message>
        <id>InvertedLogic</id>
        <severity>style</severity>
        <summary>It is cleaner to invert the logic.</summary>
    </message>
</rule>
<rule>
    <tokenlist>normal</tokenlist>
    <pattern><![CDATA[\w+ != \w+ \?]]></pattern>
    <message>
        <id>InvertedLogic</id>
        <severity>style</severity>
        <summary>It is cleaner to invert the logic.</summary>
    </message>
</rule>
<rule>
    <tokenlist>normal</tokenlist>
    <pattern><![CDATA[! \w+ \?]]></pattern>
    <message>
        <id>InvertedLogic</id>
        <severity>style</severity>
        <summary>It is cleaner to invert the logic.</summary>
    </message>
</rule>
<rule>
    <tokenlist>normal</tokenlist>
Paul's avatar
Paul committed
274
    <pattern><![CDATA[catch (\([^()]*(?-1)*[^()]*\)) { }]]></pattern>
Paul's avatar
Paul committed
275
    <message>
Paul's avatar
Paul committed
276
        <id>EmptyCatchStatement</id>
Paul's avatar
Paul committed
277
        <severity>style</severity>
Paul's avatar
Paul committed
278
        <summary>An empty catch statement.</summary>
Paul's avatar
Paul committed
279
280
281
282
    </message>
</rule>
<rule>
    <tokenlist>normal</tokenlist>
Paul's avatar
Paul committed
283
    <pattern><![CDATA[if (\([^()]*(?-1)*[^()]*\)) { assert (\([^()]*(?-1)*[^()]*\)) ; }]]></pattern>
Paul's avatar
Paul committed
284
    <message>
Paul's avatar
Paul committed
285
        <id>ConditionalAssert</id>
Paul's avatar
Paul committed
286
        <severity>style</severity>
Paul's avatar
Paul committed
287
        <summary>The if condition should be included in assert.</summary>
Paul's avatar
Paul committed
288
289
    </message>
</rule>
290
291
<rule>
    <tokenlist>normal</tokenlist>
Paul's avatar
Paul committed
292
    <pattern><![CDATA[if \( (\w) . empty \( \) \) { for \( (?:(?:\w+|<|>|::) )*(?:\w+|>)(?: &|\*)* \w : \1 \) ({[^{}]*(?-1)*[^{}]*}) }]]></pattern>
293
    <message>
Paul's avatar
Paul committed
294
        <id>UnnecessaryEmptyCondition</id>
295
        <severity>style</severity>
Paul's avatar
Paul committed
296
        <summary>Unnecessary check for empty before for range loop.</summary>
297
298
    </message>
</rule>
Paul's avatar
Paul committed
299
300
<rule>
    <tokenlist>normal</tokenlist>
Paul's avatar
Paul committed
301
302
303
304
305
306
307
308
309
310
    <pattern><![CDATA[if \( ! (\w) . empty \( \) \) { for \( (?:(?:\w+|<|>|::) )*(?:\w+|>)(?: &|\*)* \w : \1 \) ({[^{}]*(?-1)*[^{}]*}) }]]></pattern>
    <message>
        <id>UnnecessaryEmptyCondition</id>
        <severity>style</severity>
        <summary>Unnecessary check for empty before for range loop.</summary>
    </message>
</rule>
<rule>
    <tokenlist>simple</tokenlist>
    <pattern><![CDATA[for \( (?:(?:\w+|<|>|::) )*(?:\w+|>)(?: &|\*)* (\w+) = \w+ ; \1 < \w+ ; (\1 \+\+|\+\+ \1|\1 \-\-|\-\- \1) \) { \w+ \[ \1 \] = \w+ \[ \1 \] ; }]]></pattern>
Paul's avatar
Paul committed
311
312
313
314
315
316
317
    <message>
        <id>useStlAlgorithm</id>
        <severity>style</severity>
        <summary>Considering using std::copy instead.</summary>
    </message>
</rule>
<rule>
Paul's avatar
Paul committed
318
319
    <tokenlist>simple</tokenlist>
    <pattern><![CDATA[for \( (?:(?:\w+|<|>|::) )*(?:\w+|>)(?: &|\*)* (\w+) = \w+ ; \1 < \w+ ; (\1 \+\+|\+\+ \1|\1 \-\-|\-\- \1) \) { \w+ \[ \1 \] = \w+ ; }]]></pattern>
Paul's avatar
Paul committed
320
321
322
323
324
325
326
    <message>
        <id>useStlAlgorithm</id>
        <severity>style</severity>
        <summary>Considering using std::fill instead.</summary>
    </message>
</rule>
<rule>
Paul's avatar
Paul committed
327
328
    <tokenlist>simple</tokenlist>
    <pattern><![CDATA[for \( (?:(?:\w+|<|>|::) )*(?:\w+|>)(?: &|\*)* (\w+) = \w+ ; \1 < \w+ ; (\1 \+\+|\+\+ \1|\1 \-\-|\-\- \1) \) { \w+ \[ \1 \] = (?:\w+ :: )*\w+ \( \) ; }]]></pattern>
Paul's avatar
Paul committed
329
330
331
332
333
334
335
    <message>
        <id>useStlAlgorithm</id>
        <severity>style</severity>
        <summary>Considering using std::generate instead.</summary>
    </message>
</rule>
<rule>
Paul's avatar
Paul committed
336
337
    <tokenlist>simple</tokenlist>
    <pattern><![CDATA[for \( (?:(?:\w+|<|>|::) )*(?:\w+|>)(?: &|\*)* (\w+) = \w+ ; \1 < \w+ ; (\1 \+\+|\+\+ \1|\1 \-\-|\-\- \1) \) { \w+ \[ \1 \] = (?:\w+ :: )*\w+ \( \w+ \[ \1 \] \) ; }]]></pattern>
Paul's avatar
Paul committed
338
339
340
341
342
343
344
    <message>
        <id>useStlAlgorithm</id>
        <severity>style</severity>
        <summary>Considering using std::transform instead.</summary>
    </message>
</rule>
<rule>
Paul's avatar
Paul committed
345
346
    <tokenlist>simple</tokenlist>
    <pattern><![CDATA[for \( (?:(?:\w+|<|>|::) )*(?:\w+|>)(?: &|\*)* (\w+) = \w+ ; \1 < \w+ ; (\1 \+\+|\+\+ \1|\1 \-\-|\-\- \1) \) { \w+ \[ \1 \] = (?:\w+ :: )*\w+ \( \w+ \[ \1 \] , \w+ \[ \1 \] \) ; }]]></pattern>
Paul's avatar
Paul committed
347
348
349
350
351
352
    <message>
        <id>useStlAlgorithm</id>
        <severity>style</severity>
        <summary>Considering using std::transform instead.</summary>
    </message>
</rule>
Paul's avatar
Paul committed
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
<rule>
    <tokenlist>simple</tokenlist>
    <pattern><![CDATA[for \( (?:(?:\w+|<|>|::) )*(?:\w+|>)(?: &|\*)* (\w+) : (?:[^()]*(\([^()]*(?-1)*[^()]*\)))*[^)]*\) { (?:(?<idx1>\w+) \+\+|\+\+ (?<idx2>\w+)) ; if (\([^()]*(?-1)*[^()]*\)) { \w+ = \g{idx1}|\g{idx2} ; (?:break ; )?(?:return [^;]*; )?} }]]></pattern>
    <message>
        <id>useStlAlgorithm</id>
        <severity>style</severity>
        <summary>Considering using std::find or std::find_if instead.</summary>
    </message>
</rule>
<rule>
    <tokenlist>simple</tokenlist>
    <pattern><![CDATA[for \( (?:(?:\w+|<|>|::) )*(?:\w+|>)(?: &|\*)* (\w+) : (?:[^()]*(\([^()]*(?-1)*[^()]*\)))*[^)]*\) { if (\([^()]*(?-1)*[^()]*\)) { \w+ = (?<idx>\w) ; (?:break ; )?(?:return [^;]*; )?} (?:(\g{idx}) \+\+|\+\+ (\g{idx})) ; }]]></pattern>
    <message>
        <id>useStlAlgorithm</id>
        <severity>style</severity>
        <summary>Considering using std::find or std::find_if instead.</summary>
    </message>
</rule>
<rule>
    <tokenlist>simple</tokenlist>
    <pattern><![CDATA[for \( (?:(?:\w+|<|>|::) )*(?:\w+|>)(?: &|\*)* (\w+) : (?:[^()]*(\([^()]*(?-1)*[^()]*\)))*[^)]*\) { (?:(?<idx1>\w+) \+\+|\+\+ (?<idx2>\w+)) ; if (\([^()]*(?-1)*[^()]*\)) { return \g{idx1}|\g{idx2} ; } }]]></pattern>
    <message>
        <id>useStlAlgorithm</id>
        <severity>style</severity>
        <summary>Considering using std::find or std::find_if instead.</summary>
    </message>
</rule>
<rule>
    <tokenlist>simple</tokenlist>
    <pattern><![CDATA[for \( (?:(?:\w+|<|>|::) )*(?:\w+|>)(?: &|\*)* (\w+) : (?:[^()]*(\([^()]*(?-1)*[^()]*\)))*[^)]*\) { if (\([^()]*(?-1)*[^()]*\)) { return (?<idx>\w+) ; } (?:(\g{idx}) \+\+|\+\+ (\g{idx})) ; }]]></pattern>
    <message>
        <id>useStlAlgorithm</id>
        <severity>style</severity>
        <summary>Considering using std::find or std::find_if instead.</summary>
    </message>
</rule>
<rule>
    <tokenlist>normal</tokenlist>
    <pattern><![CDATA[do { } while \(]]></pattern>
    <message>
        <id>EmptyDoWhileStatement</id>
        <severity>style</severity>
        <summary>Empty do-while.</summary>
    </message>
</rule>
<rule>
    <tokenlist>normal</tokenlist>
    <pattern>goto</pattern>
    <message>
        <id>GotoStatement</id>
        <severity>style</severity>
        <summary>Goto considered harmful.</summary>
    </message>
</rule>