Daniel Marjamäki
0725c2290c
Tokenizer: Do not simplify function pointers to normal pointers as we loose important information
2020-04-10 11:53:32 +02:00
Achouv
7719e4309d
avoid false positive unused static const struct member ( #2598 )
2020-04-08 18:09:20 +02:00
Rikard Falkeborn
b1c6f2946a
Fix redundant FP assignment with unsigned zero ( #2521 )
...
* Refactor isNullOperand out of FwdAnalysis
* Improve isNullOperand
* Fix redundantAssignment FP with unsigned zero
* isNullValue check number
* Enhance isNullOperand to handle c++ casts
Also handle cast of NULL.
2020-02-09 11:16:08 +01:00
Daniel Marjamäki
b6833b525f
Clang import
2020-01-25 17:01:17 +01:00
Daniel Marjamäki
bd83630f2e
Fixed #8990 (False positive: struct member not used (union))
2019-12-20 18:31:55 +01:00
Daniel Marjamäki
1d441f64c1
CheckUnusedVar: Quick heuristic so we don't bailout for 'auto' variables
2019-11-17 15:44:57 +01:00
Daniel Marjamäki
d0daf1f90d
CheckUnusedVar: Assume that assignment has 'standard behavior' by default
2019-11-17 12:33:26 +01:00
Daniel Marjamäki
f5e3dc9a38
Improved fix for #8978 (False positive: Variable assigned value that is never used when assigning via iterator)
2019-11-17 12:08:21 +01:00
Daniel Marjamäki
5654630099
Fixed #8978 (False positive: Variable assigned value that is never used when assigning via iterator)
2019-11-16 19:49:54 +01:00
Daniel Marjamäki
06ea1a2b53
Fixed #9312 (FP : variable is assigned a value that is never used (static))
2019-11-04 17:59:16 +01:00
Daniel Marjamäki
510748134f
Fixed #9234 (FP unreadVariable - assignment via iterator)
2019-08-04 10:21:16 +02:00
amai2012
f02636e995
Refactoring: Convert enums to enum classes
2019-08-02 21:14:29 +02:00
Daniel Marjamäki
f63011c219
Try to fix daca@home crashes
2019-07-29 19:06:41 +02:00
Daniel Marjamäki
a1214348c0
Fixed #8974 (false negative regression about never used variable)
2019-07-29 08:49:19 +02:00
Daniel Marjamäki
d2284ddbcd
Fix false positives in self check: Variable t is assigned a value that is never used. Classes with destructors was not handled properly.
2019-07-14 16:20:45 +02:00
Daniel Marjamäki
534659e596
Avoid 'unsigned' in Tokenizer. Use 'nonneg' instead for arguments and members.
2019-07-14 15:48:20 +02:00
Daniel Marjamäki
1cadd9398a
Fixed #8933 (false negative: (style) Variable is assigned a value that is never used (std::string))
2019-07-14 09:44:30 +02:00
Daniel Marjamäki
9d5f672dbc
Unused struct member: Fix FPs seen in daca@home results for template structs
2019-03-06 20:51:48 +01:00
Daniel Marjamäki
bd7790fd8c
Update copyright year
2019-02-09 07:24:06 +01:00
Daniel Marjamäki
2bba9ac78a
Fixed #8948 (False Positive: Variable 'n' is assigned a value that is never used.)
2019-01-26 21:44:07 +01:00
Daniel Marjamäki
ed514644b8
Renamed FwdAnalysisAllPaths to FwdAnalysis
2018-12-31 18:00:47 +01:00
Daniel Marjamäki
6b49a784c5
Fixed #8911 (Regression: False positive: Unassigned variable (alias))
2018-12-30 20:20:20 +01:00
Daniel Marjamäki
ddbe5c129c
Clarify FwdAnalysis. It is useful for checks that need data flow analysis of ALL paths.
2018-12-25 11:56:06 +01:00
Daniel Marjamäki
f118c22bb6
CheckUnusedVar: Cleanup checker
2018-12-17 17:48:45 +01:00
Daniel Marjamäki
cf09fd6274
CheckUnusedVar: Code cleanup
2018-12-17 17:28:15 +01:00
Daniel Marjamäki
c8d688607a
Fixed #8901 (Unused value: const variable initialization)
2018-12-16 19:01:05 +01:00
Daniel Marjamäki
1f27cd56c0
FwdAnalysis; Code cleanup, isNullOperand
2018-12-13 21:01:33 +01:00
Daniel Marjamäki
0b4e08cac9
Use FwdAnalysis in UnusedVar. This is still work-in-progress. Merging to master branch so it can be tested.
2018-12-13 18:52:56 +01:00
Daniel Marjamäki
69f6100d83
Fixed #8339 (false positive: unread variable despite delete is used on it)
2018-11-14 17:04:21 +01:00
Daniel Marjamäki
ac242b69d6
Refactoring: Use range for loops
2018-11-14 06:58:21 +01:00
orbitcowboy
d08b39c915
Improved const correctness of local variables. There are no functional changes intended. ( #1392 )
2018-09-23 20:24:51 +02:00
Daniel Marjamäki
a25461919c
Rename private member variables
2018-06-17 19:04:06 +02:00
Daniel Marjamäki
965fcf9303
Rename private member variables
2018-06-17 18:55:41 +02:00
Daniel Marjamäki
78974e9267
Rename _type to mType
2018-06-16 20:25:54 +02:00
Daniel Marjamäki
79ffe1d4fc
Rename _tokenizer, _settings, _errorLogger
2018-06-16 16:10:28 +02:00
Daniel Marjamäki
ca8e19c96d
SymbolDatabase: Refactor SymbolDatabase: variable list
2018-04-28 09:38:33 +02:00
Daniel Marjamäki
f336c2efe7
Refactoring; Renamed Scope::classStart and Scope::classEnd
2018-04-27 22:36:30 +02:00
Daniel Marjamäki
b7a52c3811
CheckUnusedVar: Use isLikelyStreamRead
2018-04-22 17:08:23 +02:00
Daniel Marjamäki
c84628c28a
Fixed #8494 (False positive: serialization class overloads operator)
2018-04-17 14:23:04 +02:00
Daniel Marjamäki
e95ff8c7b6
Avoiding emplace
2018-04-14 19:24:35 +02:00
PKEuS
d2146844dd
Refactorizations:
...
- Replace several push_back-calls by emplace_back
- Replace some x = x.substr(0, y) calls by x.erase(y)
2018-04-11 09:44:35 +02:00
Daniel Marjamäki
a0906140a6
Suppressions: New extensible Suppressions xml format that allow more attributes. To start with it also allows symbolName.
2018-04-09 06:43:48 +02:00
jrp2014
034296039c
Refactor lib/checkunusedvar.cpp
2018-04-06 08:07:15 +02:00
jrp2014
b6504c70ca
Improve constness
2018-04-04 21:51:31 +02:00
Daniel Marjamäki
7e4dba6a7e
Updated copyright year
2018-03-31 20:59:09 +02:00
Daniel Marjamäki
dbe962ad5d
Compatibility fix for gcc 4.5
2018-03-29 22:00:04 +02:00
Daniel Marjamäki
c4caee6b18
Updated copyright year
2018-01-14 15:37:52 +01:00
Daniel Marjamäki
b3c80947ed
Fixed #6508 (False positive unusedStructMember - brace initializer)
2017-11-12 22:33:17 +01:00
Ayaz Salikhov
be2c65eb58
Simplify int vs bool
2017-10-08 07:54:39 +02:00
Dmitry-Me
d18e8466a9
Cache and reuse values
2017-09-27 00:51:04 +03:00
Dmitry-Me
2582bbd0f6
Break loop early
2017-08-24 18:10:33 +03:00
Ayaz Salikhov
b8cd7dbb5c
Use nullptr instead of 0 or NULL ( #936 )
2017-08-09 20:00:26 +02:00
Daniel Marjamäki
9ef9d0e4a8
Fixed #8128 (False negative: variable is assigned value that is not read)
2017-08-01 14:56:53 +02:00
Daniel Marjamäki
0a03bbb320
Fixed #6315 (false positive - unreadVariable - variable is used via pointer)
2017-07-23 23:32:14 +02:00
Daniel Marjamäki
ac85b78e2a
Fixed #5619 (false positive: unusedVariable - array accessed by pointer variable only)
2017-07-09 11:19:00 +02:00
Daniel Marjamäki
211d8c6020
Refactoring checking for unused variables (avoid FN when not taking address)
2017-07-01 22:45:51 +02:00
Daniel Marjamäki
d6f066482e
Fixed #6542 (FP: Variable 'lcount' is not assigned a value - using address of integer array)
2017-07-01 11:31:51 +02:00
Daniel Marjamäki
db01ea1408
Fixed #6261 (false positive: Variable used in ternary expression within function argument list)
2017-07-01 11:03:49 +02:00
Daniel Marjamäki
b8ee500d45
Fixed #7092 (Invalid style error: Variable not assigned a value)
2017-06-03 15:31:29 +02:00
Ayaz Salikhov
28aa939d69
iwyu - include what you use
2017-05-27 04:33:47 +02:00
PKEuS
b1f4bd7504
Refactorization: Reimplemented Settings::_enabled as a bitfeld instead of std::set ( #7995 )
2017-04-11 11:49:26 +02:00
PKEuS
3c8f5b85ae
Refactorization: Allocate Token::_values (ValueFlow information) dynamically, reducing size of each token by around 10%
2017-03-27 18:48:34 +02:00
Daniel Marjamäki
841e0c2921
Fixed #7546 (Assignment to array element not detected if pointer addition is used)
2017-02-28 22:04:05 +01:00
umanamente
0c1ba8e8b4
( Fixed #7895 ) C++11 brace initialization. Added test. ( #862 )
...
Add an optional extended description…
2017-01-22 10:16:40 +01:00
Matthias Krüger
b3ace258ab
there is no need to have "if(tok && Token::Match(tok,..." since Token::Match checks "tok" by itselfs already.
2016-11-26 17:22:30 +01:00
Daniel Marjamäki
efa3aba32a
Remove Tokenizer::simplifyNull()
2016-10-18 21:44:02 +02:00
PKEuS
1227a3f596
Improved check: Complain if a variable is modified but not used again
2016-10-10 21:27:40 +02:00
Daniel Marjamäki
ac1a869d60
unused struct members: don't warn about packed structs ( #3088 )
2016-09-05 17:27:12 +02:00
Daniel Marjamäki
60f22bd4ee
Fixed #7477 (False positive 'Assigned value is never used' in multithreaded context)
2016-09-03 20:38:36 +02:00
Roberto Martelloni
28f1222dc2
CWE mapping of useAutoPointerMalloc, uselessCallsCompare, uselessCallsSwap, uselessCallsSubstr, uselessCallsEmpty, uselessCallsRemove, derefInvalidIterator, reademptycontainer, multiplySizeof, divideSizeof, stringLiteralWrite, incorrectStringCompare, literalWithCharPtrCompare, charLiteralWithCharPtrCompare, incorrectStringBooleanError, staticStringCompare, stringCompare, signConversion, truncLongCastAssignment, truncLongCastReturn, unusedFunction, unusedVariable, unusedAllocatedMemory, unreadVariable, unassignedVariable, unusedStructMember, postfixOperator, va_start_wrongParameter ( #824 )
...
Add an optional extended description…
2016-09-03 00:31:35 +02:00
Daniel Marjamäki
9f59bd6dae
Try to fix travis hang
2016-08-02 19:23:45 +02:00
Daniel Marjamäki
f23287544a
Fixed #7196 (Improve check: deem sizeof(thing) as using the thing's members)
2016-08-02 18:50:04 +02:00
Daniel Marjamäki
41526ef3a8
Fixed #6147 (FP unreadVariable: variable assignment in function call argument list)
2016-08-02 08:50:04 +02:00
Daniel Marjamäki
920ac5a3f6
astyle formatting
...
[ci skip]
2016-07-16 21:21:24 +02:00
Roberto Martelloni
25525e38a7
CWE mapping of incorrectStringCompare, literalWithCharPtrCompare, charLiteralWithCharPtrCompare, incorrectStringBooleanError, staticStringCompare, stringCompare, signConversion, unusedFunction, unusedVariable
2016-07-16 10:07:06 +01:00
PKEuS
3bdcf68990
Fixed false positive in CheckUnusedVar::checkFunctionVariableUsage(): Bailout when break; is encountered
...
See also: https://sourceforge.net/p/cppcheck/discussion/general/thread/1c169dc5/
2016-07-07 18:27:31 +02:00
Daniel Marjamäki
54be403f64
Fixed #7026 (Cppcheck does not recognizes the use of a variabile inside lambda function)
2016-05-26 18:07:56 +02:00
PKEuS
cda246da75
Refactorized CheckUnusedVar::checkStructMemberUsage(): Reimplemented check based on symboldatabase
2016-05-25 11:13:31 +02:00
PKEuS
43bf1bb685
Refactorized CheckUnusedVar::checkStructMemberUsage(): Drastically reduced number of Token::findmatch() calls to improve performance
2016-05-24 23:10:39 +02:00
Daniel Marjamäki
7453b641bd
Fixed #4839 (Variable (in array) is assigned a value that is never used)
2016-05-17 16:03:55 +02:00
Daniel Marjamäki
b54613a942
Fixed #7046 (constexpr value used as template parameter reported as not used)
2016-01-31 12:39:43 +01:00
PKEuS
0e8777ec99
Fixed crash on garbage code ( #7356 )
2016-01-31 10:25:09 +01:00
Daniel Marjamäki
f6161c6f89
CheckUnusedVar: My fix for #4955 was a quick fix causing false negatives. Fix some FN and add TODO to handle other FN better.
2016-01-31 09:11:52 +01:00
PKEuS
3b046b42a6
Support function pointers in CheckUnusedVar::checkFunctionVariableUsage_iterateScopes() ( #7194 )
2016-01-30 20:59:55 +01:00
Daniel Marjamäki
fd67ca146d
Fixed #4955 (false positive: Variable 'i' is assigned a value that is never used (only used in template instantiation))
2016-01-30 16:49:39 +01:00
Daniel Marjamäki
95009a4630
Merge pull request #745 from lanurmi/2016_ad
...
Update copyright year to 2007-2016.
2016-01-01 22:57:19 +01:00
Daniel Marjamäki
3bd5a4d10e
CheckUnusedVar: Fix FP when there is class initialization
2016-01-01 16:04:13 +01:00
Lauri Nurmi
996c9244d8
Update copyright year to 2007-2016.
2016-01-01 15:34:45 +02:00
Daniel Marjamäki
dea41e2390
CheckUnusedVar: Fix FP for assignment in while
2016-01-01 12:14:18 +01:00
Daniel Marjamäki
350908d0e9
Fix FP in CheckUnusedVar. Caused by #7230 fix.
2015-12-31 15:30:33 +01:00
Daniel Marjamäki
8171154e12
Fixed #7230 (Confusing code snippet in error message)
2015-12-31 01:15:49 +01:00
Daniel Marjamäki
bebf8ccdd5
Revert da15efb3
and 6304a4dd
to fix FPs. See #7148 , #7179 , etc
2015-12-16 14:51:50 +01:00
PKEuS
e8522c7883
Small refactorizations:
...
- #include cleanup
- Use std::array instead of std::vector
- Do not create a stringstream to concatenate 4 strings
- Use std::cout instead of printf
2015-11-29 10:56:44 +01:00
Daniel Marjamäki
0f9d90d2be
Changed Copyrights. Removed my name.
2015-11-18 20:04:50 +01:00
PKEuS
7866990d04
Fixed false positive with range-based for-loop ( #7075 )
2015-10-27 14:47:18 +01:00
Dmitry-Me
6304a4dddb
Fix FP for members of temporaries
2015-09-25 13:57:11 +03:00
Dmitry-Me
da15efb3f6
Fix FN for distinct structs with identical members
2015-09-24 18:29:08 +02:00
orbitcowboy
fc0786acb0
Merge pull request #686 from Dmitry-Me/omitUnneededActions6
...
Continue early, reuse pattern, better names
2015-09-22 21:31:47 +02:00
Dmitry-Me
0b991f5560
Tell if it's struct or union
2015-09-22 17:38:23 +03:00
Dmitry-Me
ce783483d1
Continue early, reuse pattern, better names
2015-09-22 16:38:49 +03:00