8dcb3bae47
Refactoring checks of overlapping conditions in if and else-if
2014-04-03 19:35:50 +02:00
1a83338faf
Refactoring. Created utility function isOppositeCond()
2014-04-03 17:08:42 +02:00
110f956029
code cleanup for invertOperatorForOperandSwap()
2014-04-03 16:22:07 +02:00
ffac614f7e
Fix Cppcheck warning. Use reference to avoid redundant data-copy
2014-04-03 16:16:39 +02:00
9f80f3a4e8
Small cleanups in the code
2014-04-03 06:37:02 +02:00
a115bbbbb5
Refactoring CheckOther::checkCharVariable() using AST
2014-04-03 06:27:29 +02:00
bc9bb17025
Refactor CheckOther::oppositeInnerCondition() using AST and isSameExpression()
2014-04-02 16:54:01 +02:00
3c64c70ce2
ValueFlow: Added utility functions getValueLE and getValueGE to simplify usage
2014-04-02 06:49:28 +02:00
f4cdb2c46a
CheckOther::checkCharVariable: Refactoring using AST
2014-04-01 19:16:06 +02:00
348c26f59c
fixed segmentation fault in case typeStartToken() returns 0
2014-03-29 21:01:21 +01:00
efc84ac310
Fix segmentation fault when checking build/tokenize.cpp
2014-03-29 20:41:17 +01:00
407c9fdf9d
Refactored checkNegativeBitwiseShift() so it uses ast and valueflow
2014-03-29 13:01:30 +01:00
502ba95383
Simplification. Code 'else if ..' is simplified to 'else { if ..'
2014-03-28 18:21:56 +01:00
50a94885ce
Fixed oppositeInnerCondition check:
...
- Resolved false positives #4170 and #4186 , as well as numerous other potential false positives
- Improved message to point to both locations
- Inner condition could also be a while loop; Outer if could also be 'else if'
- Made the check non-experimental again (#3645 )
2014-03-28 14:55:17 +01:00
e8c7a723f5
Fixed five new true positives in cppcheck, silenced one new false positive (see #5618 )
2014-03-27 15:50:30 +01:00
b23aebf2f0
Show redundantCopyLocalConst for STL types ( #4331 )
2014-03-27 11:15:17 +01:00
5083dd4273
Fixed two visual studio warnings
2014-03-24 18:14:23 +01:00
8d5be8c4a4
Fixed related issues to #5601
2014-03-22 22:35:20 +01:00
58c2f372b9
Fixed false positive when noreturn function is defined ( #5601 , second attempt)
2014-03-22 19:55:13 +01:00
77c871035b
Fixed false positive when noreturn function is defined ( #5601 )
2014-03-22 18:57:19 +01:00
7d2357de8d
Refactoring. Use astIsFloat()
2014-03-22 18:42:29 +01:00
54e7f34f4a
Fixed #5584 (FP: Division by zero when function not declared)
2014-03-20 16:12:58 +01:00
2568baa473
#5528 : Raise duplicateExpressionError on operators /, % and -.
2014-03-17 18:35:36 +01:00
fab6b56360
Improved check ( #5553 ): Detect stricmp(var.c_str(), var.c_str())
2014-03-17 17:41:45 +01:00
ebd0b43c4f
Fixed #5382 : False positive "scope can be reduced" when initializing two-dimensional array.
2014-03-17 12:34:39 +01:00
d325d14b11
Fixed false positive #5535 : Reference named like its type.
2014-03-17 12:01:39 +01:00
ce1aa1e011
Library: I had misunderstood const/pure a little so I corrected cfg and code
2014-03-14 20:08:34 +01:00
b2708987c3
Merge pull request #264 from thomasjfox/simplematch
...
Use simple match where possible
2014-03-14 17:51:45 +01:00
a929b2146e
Improved checking of const functions in checkIncorrectLogicOperator
2014-03-14 17:37:53 +01:00
93341f4449
Use simple match where possible
...
Fixes these warnings found by "--enable=internal":
[lib/checkclass.cpp:972]: (warning) Found simple pattern inside Token::Match() call: "* *"
[lib/checkbufferoverrun.cpp:635]: (warning) Found simple pattern inside Token::Match() call: "."
[lib/checkbufferoverrun.cpp:1397]: (warning) Found simple pattern inside Token::Match() call: ";"
[lib/checksizeof.cpp:299]: (warning) Found simple pattern inside Token::Match() call: "."
[lib/checksizeof.cpp:301]: (warning) Found simple pattern inside Token::Match() call: ")"
[lib/checksizeof.cpp:303]: (warning) Found simple pattern inside Token::Match() call: "]"
[lib/checksizeof.cpp:318]: (warning) Found simple pattern inside Token::Match() call: ")"
[lib/checknullpointer.cpp:413]: (warning) Found simple pattern inside Token::Match() call: "delete"
[lib/checkio.cpp:1336]: (warning) Found simple pattern inside Token::Match() call: "> ("
[lib/checkstl.cpp:1509]: (warning) Found simple pattern inside Token::findmatch() call: ";"
[lib/checkstl.cpp:1512]: (warning) Found simple pattern inside Token::findmatch() call: ";"
[lib/checkstl.cpp:1594]: (warning) Found simple pattern inside Token::Match() call: "="
[lib/checkstl.cpp:1598]: (warning) Found simple pattern inside Token::Match() call: "] ="
[lib/checkunusedvar.cpp:755]: (warning) Found simple pattern inside Token::Match() call: "goto"
[lib/checkunusedvar.cpp:793]: (warning) Found simple pattern inside Token::Match() call: "="
[lib/checkuninitvar.cpp:376]: (warning) Found simple pattern inside Token::Match() call: "> ("
[lib/checkother.cpp:86]: (warning) Found simple pattern inside Token::Match() call: "> ("
[lib/checkother.cpp:2181]: (warning) Found simple pattern inside Token::Match() call: "> {"
[lib/valueflow.cpp:54]: (warning) Found simple pattern inside Token::Match() call: "&"
[lib/valueflow.cpp:409]: (warning) Found simple pattern inside Token::Match() call: "do"
[lib/valueflow.cpp:425]: (warning) Found simple pattern inside Token::Match() call: ") {"
[lib/valueflow.cpp:487]: (warning) Found simple pattern inside Token::Match() call: ") {"
[lib/valueflow.cpp:511]: (warning) Found simple pattern inside Token::Match() call: "} else {"
[lib/valueflow.cpp:615]: (warning) Found simple pattern inside Token::Match() call: "for ("
[lib/symboldatabase.cpp:80]: (warning) Found simple pattern inside Token::Match() call: "= {"
[lib/symboldatabase.cpp:1069]: (warning) Found simple pattern inside Token::Match() call: "std ::"
[lib/tokenize.cpp:2207]: (warning) Found simple pattern inside Token::Match() call: "< >"
[lib/tokenize.cpp:2730]: (warning) Found simple pattern inside Token::Match() call: ";"
[lib/tokenize.cpp:4234]: (warning) Found simple pattern inside Token::Match() call: "try {"
[lib/tokenize.cpp:4235]: (warning) Found simple pattern inside Token::Match() call: "} catch ("
[lib/tokenize.cpp:5500]: (warning) Found simple pattern inside Token::Match() call: "INT8"
[lib/tokenize.cpp:5752]: (warning) Found simple pattern inside Token::Match() call: "}"
[lib/tokenize.cpp:5752]: (warning) Found simple pattern inside Token::Match() call: "do"
2014-03-14 16:27:47 +01:00
8d8913a168
Partial fix for #5555 . Add const,pure attributes to library.
2014-03-14 06:38:45 +01:00
5e0a575091
Optimization: tokenlist::addtoken
2014-03-09 17:54:49 +01:00
50a184c3e9
Fixed #5166 (segmentation fault (invalid code) in lib/checkother.cpp:329 ( void * f { } void b ( ) { * f } ))
2014-02-27 18:24:51 +01:00
7dbfd67da3
Fixed #5493 (False positive: Found a statement that begins with numeric constant / string constant - in the presence of initialization list.)
2014-02-26 06:18:52 +01:00
8dd7f02e45
Fixed #5381 (Some false positives that came up when using --enable=performance file.c)
2014-02-23 11:02:39 +01:00
d37359217c
Merge pull request #241 from lanurmi/more-nullptr
...
Change some more 0 literals into nullptr.
2014-02-16 23:29:23 +01:00
70a67eaf85
Change some more 0 literals into nullptr.
2014-02-16 13:38:50 +02:00
fdcb325d70
DuplicateBranch: Made warning inconclusive since it's in most cases noise
2014-02-16 11:04:27 +01:00
052840f8f5
Fixed #4818 (New check: Check memset() 2nd parameter)
2014-02-15 15:06:00 -03:00
fb5c2d4b48
use nullptr in lib/checkother.cpp
2014-02-15 08:46:28 +01:00
fd3a8a2a18
Update copyright
2014-02-15 07:45:39 +01:00
486a3192c0
Fixed #5246 (false positive: (warning) Logical conjunction always evaluates to false: t > 0 && t < 1.)
2014-02-04 06:50:29 +01:00
ad0269eeeb
Refactor checks using Variable::isStlType()
2014-01-30 01:26:48 -03:00
69109784e8
value flow: cleanup usage of valueflow. utility function Token::getValue was added.
2014-01-20 06:49:45 +01:00
add84187cc
CheckOther: Removed old zero division check
2014-01-20 06:31:13 +01:00
b2b5590f2b
Refactoring: Moved astStringify to the Token class and renamed it to expressionString. This can often be useful when reporting error messages that contains source code.
2014-01-17 18:37:49 +01:00
3facc06cb7
CheckOther: Removed non-valueflow check for division by possible zero before condition
2014-01-17 17:42:54 +01:00
ab866be03a
Tokenizer: Move 'else if' simplification to tokenize
2014-01-12 17:47:02 +01:00
e3496080c8
Fixed #5334 (False positive: same expression on both sides of '||')
2014-01-12 07:40:56 +01:00
ceca6be22b
Fixed #5334 (False positive: same expression on both sides of '||')
2014-01-11 15:15:01 +01:00
39b47cc1e7
value flow: improved error message output for conditional division by zero
2014-01-06 10:51:17 +01:00
0877adb542
astyle formatting
2014-01-05 21:12:32 +01:00
afaf1473a8
Value flow: refactorings, write debug warning if iterating too far
2014-01-05 20:06:46 +01:00
d8270c710a
Add new experimental value flow analysis
2014-01-04 20:57:02 +01:00
372c29c24e
Fixed #5284 (duplicateExpression falsely reported by members of a union in some circumstances)
2014-01-02 16:58:07 +01:00
4b72f01e99
clarify calculation: Fixed FP for 'a = (*p ? 1 : 2)'
2013-12-28 11:02:39 +01:00
4c44e62159
AST: Refactored CheckOther::clarifyCalculation
2013-12-24 10:07:20 +01:00
042d3afb80
CheckOther::checkDuplicateExpression: Readded warnings when there is a expression between the duplicate expressions 'X || Y || X'
2013-12-24 07:21:46 +01:00
ac30a84c3a
Refactoring: Replaced CheckOther::checkCCTypeFunctions with configuration
2013-12-23 19:58:33 +01:00
76b907fe65
Fixed #5252 (Improve check: use Library to validate function arguments in invalidFunctionUsage)
2013-12-23 10:06:45 +01:00
fdcb6634df
Fixed #5190 (FP Use const reference to avoid data copying)
2013-12-14 08:46:18 +01:00
08cd0cd0f7
CheckOther::checkDuplicateExpression: Added TODO comment to readd checking for duplicate separated expressions
2013-12-13 06:40:35 +01:00
83066edec0
Code cleanup
2013-12-10 06:29:06 +01:00
5ba02d2fdd
AST: Always use AST
2013-12-09 18:06:19 +01:00
da540a3bb3
AST: Improved astIsFloat handling of expressions
2013-11-25 04:26:15 +01:00
abdf2bb9d4
AST: fixed isSameExpressions handling of ({..})
2013-11-25 04:08:28 +01:00
13cd0f41f6
AST: Fixed FP in isSameExpression when there are different casts
2013-11-24 15:17:08 +01:00
e8eeb90adb
AST: Fixed 'same expression' false positives (git merge --squash s, <<, >>)
2013-11-20 16:18:09 +01:00
27a40b10e1
AST/incorrectLogicOperator: Better handling of large doubles where x+1=>x
2013-11-20 06:33:34 +01:00
4e003c392e
AST: code cleanup. Remove unreachable 'break' after 'return'
2013-11-18 23:24:58 +01:00
45ee3b0fba
AST: Refactoring new checkIncorrectLogic checking
2013-11-18 23:09:14 +01:00
033cb19656
Same expression: Don't write warnings for same expression on both sides of arithmetical operators
2013-11-17 17:21:39 +01:00
5af2fe6e5b
AST: improved 'incorrect logic' checking when there are nested expressions
2013-11-15 06:51:35 +01:00
d1721b9d1b
AST: Improved 'same expression on both sides of operator' checking for nested operators
2013-11-15 06:35:46 +01:00
203d3e916b
Fixed #5173 (false positive Variable XX is reassigned a value before the old one has been used)
2013-11-14 16:10:00 +01:00
1ecade2657
AST: don't warn about duplicate expressions around '+' operator. It might be more efficient than using for instance '*2'
2013-11-11 20:03:59 +01:00
58d7caded1
AST: improved handling of casts
2013-11-11 16:39:34 +01:00
4027848761
incorrectLogicOperator: fixed FP when comparing char values. improved handling of float comparisons.
2013-11-10 18:06:51 +01:00
807f62520c
Fixed crash caused by endless recursion in redundant assignments check
2013-11-10 17:20:40 +01:00
687aeb4f5f
Fixed #5158 (segmentation fault (valid code))
2013-11-10 16:22:52 +01:00
4ed4d71b3c
CheckOther::checkIncorrectLogicOperator(): cleanup
2013-11-10 14:24:09 +01:00
cadb284a3d
Refactored the AST checking of CheckOther::checkIncorrectLogicOperator()
2013-11-10 11:59:18 +01:00
babbee4e73
Fixed typos in comments, no functional changes.
2013-11-09 16:07:28 +01:00
b0ce42565e
AST: Added experimental new implementations for CheckAssignIf::comparison, CheckOther::checkIncorrectLogicOperator and CheckOther::checkDuplicateExpression
2013-11-07 14:38:08 +01:00
43103c84d8
Checkother:memsetZeroBytes: removed not needed '\n' from verbose message.
2013-11-07 05:15:36 -08:00
3d47ae9463
checkother:memsetZeroBytes: improved verbose message.
2013-11-06 06:42:27 -08:00
86aa2a27ab
checkother: improved constness of local variables, no functional change.
2013-11-06 06:15:32 -08:00
fb04c8ff84
Fixed #5107 (redundantAssignment when pointer changes)
2013-11-04 23:46:07 +01:00
06c5bd0daa
Fixed #5128 (False positive zerodivcond 'a ? 1 / a : 0')
2013-10-30 16:51:00 +01:00
364757e1e1
Fixed #5089 ('inconclusive' output printed although --inconclusive not specified)
2013-10-23 06:42:52 +02:00
d1b03d9c31
Fixed false positive for 'object is destroyed immediately' when there is no code after the object
2013-10-22 19:37:11 +02:00
a55056c770
Fixed #5105 (false positive: (warning) Either the condition 'b!=0' is useless or there is division by zero)
2013-10-22 16:18:42 +02:00
5d7e0aebf4
Fixed #5084 (False positive: (style) Same expression on both sides of '&&')
2013-10-19 18:04:53 +02:00
6aa03efa2f
Fixed #5103 (Don't show 'The scope of the variable can be reduced' if there is no explicit block with { })
2013-10-19 17:27:02 +02:00
9ce7efc6e4
commaSeparatedReturn: made checking experimental for now because there are false positives ( #5076 )
2013-10-08 18:05:07 +02:00
4cd0108b93
Fixed #4976 (False positive: (style) A pointer can not be negative (git/sha1_file.c))
2013-10-06 16:52:27 +02:00
6830d5f7a4
Fixed #5042 (false positive: Redundant code (set filled in initialization list))
2013-10-05 12:26:09 +02:00
ee9b7283ec
checkother:checkComparisonFunctionIsAlwaysTrueOrFalse: Removed redudant varid != 0 check. No functional changes.
2013-09-29 13:33:46 +02:00
973bdcc6d8
Fixed #4929 (false positive: Division by zero (standard function div()))
2013-09-29 11:13:49 +02:00
c05a80d314
zero division or useless condition: dont crash when variable declaration is not parsed correctly
2013-09-28 16:51:38 +02:00
Daniel Marjamäki
PKEuS
PKEuS
Thomas Jarosch
Frank Zingsheim
Alexander Mai
Lauri Nurmi
Lucas Manuel Rodriguez
Martin Ettl
orbitcowboy