Daniel Marjamäki
1b933f4dd1
astyle formatting
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[ci skip]
2018-08-05 22:40:21 +02:00
Paul Fultz II
b839ad60dd
Fix issue 6856: add checks in isOppositeCond when using == and < or > ( #1298 )
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* Fix issue 6856: add checks in isOppositeCond when using == and < or >
* Move tests to testcondition
* Fix some more tests
* Fix test messages
* Remove the float check
2018-08-05 22:39:40 +02:00
Paul Fultz II
9895ea5ff2
Fix issue 470: Condition is always true or false on logical operators ( #1294 )
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* Fix issue 470: Condition is always true or false on logical operators
* Dont warn on literals
* Compute logical operators using valueflow
* Fix FP when using literals
* Always warn on subconditions that are always true
* Use percent matches first
* Add test for logical operators
* Check if parent is null
2018-07-23 08:51:59 +02:00
Daniel Marjamäki
77b653bf94
Clarify warnings when char literals are converted to bool in conditions
2018-07-21 18:40:06 +02:00
Paul Fultz II
5d1fdf7958
Fix issue 7904: Handle double nots in isSameExpression ( #1305 )
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* Fix issue 7904: Handle double nots in isSameExpression
* Skip checking double nots in assignments
* Use ast to check for double not
2018-07-15 11:30:02 +02:00
Paul Fultz II
42f075c3fa
Skip literals for always true/false ( #1304 )
2018-07-12 23:06:47 +02:00
Daniel Marjamäki
7e2858f158
astyle formatting
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[ci skip]
2018-07-10 22:56:18 +02:00
Daniel Marjamäki
03faa25d12
Conditions: Better handling of function calls
2018-07-08 15:58:04 +02:00
amai2012
c2f0828a61
#6645 false negative: condition is always false. Add a regression test
2018-07-03 08:25:37 +02:00
IOBYTE
ce50df8047
Fix override warnings. ( #1234 )
2018-05-15 16:37:40 +02:00
Paul Fultz II
c520735009
Improve checking of size condition against empty to avoid FPs ( #1213 )
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* Improve checking of size condition against empty to avoid FPs
* Add const and todo for reverse conditions
2018-05-11 10:22:06 +02:00
Paul Fultz II
e571e598b6
Fix false positive with inner conditions when using pointers ( #1195 )
2018-04-28 18:56:13 +02:00
Daniel Marjamäki
1b4f4d7130
Fixed #8495 (False positive: boolean result used in bitwise operation when & is overloaded)
2018-04-17 22:14:17 +02:00
PKEuS
bbfcccf078
Refactorization: Replace several push_back-sequences by initializer lists
2018-04-09 09:41:24 +02:00
Daniel Marjamäki
795b9f5e0f
astyle formatting
2018-04-08 09:25:59 +02:00
Paul Fultz II
b85dda77da
Add a check for identical inner conditions ( #1156 )
2018-04-08 08:13:44 +02:00
Paul Fultz II
0c6f184423
Fix false positive for opposite conditions when using different containers ( #1143 )
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* Fix false positive for opposite conditions when using different containers
* Add additional test
2018-04-05 06:43:13 +02:00
Daniel Marjamäki
7e4dba6a7e
Updated copyright year
2018-03-31 20:59:09 +02:00
Paul
43be20a824
Check more opposite conditions
2018-03-24 07:58:37 +01:00
Daniel Marjamäki
c4caee6b18
Updated copyright year
2018-01-14 15:37:52 +01:00
Daniel Marjamäki
28cfee2d4f
Fixed #8250 (New check: Pointer calculation result cant be NULL unless there is overflow)
2017-10-22 14:32:54 +02:00
Daniel Marjamäki
5993c40d5b
Improve 'opposite inner condition' check
2017-09-22 14:01:20 +02:00
Daniel Marjamäki
927b14b60f
Fixed #8217 (Crash in isVariableChanged())
2017-09-14 15:45:15 +02:00
Daniel Marjamäki
bb20c0504e
CheckCondition: Fix FP in daca (iqtree) 'in >> ch'
2017-09-13 22:46:36 +02:00
Daniel Marjamäki
9f4fc7b323
Rename sameConditionAfterEarlyExit to identicalConditionAfterEarlyExit
2017-09-10 22:59:39 +02:00
Daniel Marjamäki
db321c2617
CheckCondition: Fix FP when there is increment/decrement in condition (daca icu)
2017-09-10 22:58:05 +02:00
Daniel Marjamäki
c34fdd1905
CheckCondition: Fix FP for undeclared variables (daca)
2017-09-10 22:30:41 +02:00
Daniel Marjamäki
899ad8479d
CheckCondition: Fixed FP when condition contains global static variable
2017-09-08 15:44:56 +02:00
Daniel Marjamäki
d9adb5432a
astyle formatting
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[ci skip]
2017-09-08 15:41:14 +02:00
Nekto89
9cbfa0e383
Fix #7803 : false negative: condition is always true 'if (flags & A)' ( #938 )
2017-09-08 14:30:42 +02:00
Daniel Marjamäki
58db814d72
Rephraze /Same/Identical/
2017-09-08 12:41:33 +02:00
Daniel Marjamäki
120d0f86d0
CheckCondition: Fix FP about same condition when switch case is used (daca)
2017-09-07 22:05:01 +02:00
Daniel Marjamäki
f2d56363d3
CheckCondition: Fix TODO assertion
2017-09-06 22:53:36 +02:00
Daniel Marjamäki
e0c7f7f8f2
CheckCondition: Fix FP when there are method calls in condition
2017-09-06 22:26:00 +02:00
Daniel Marjamäki
35736364f8
Fixed #8199 (false negative: (warning) Same condition '...', second condition is always false)
2017-09-05 22:45:28 +02:00
Daniel Marjamäki
e5e6f37e41
Fixed #7405 (false positive: (warning) Opposite conditions in nested 'if' blocks lead to a dead code block.)
2017-09-05 22:03:29 +02:00
Daniel Marjamäki
c1000998f0
CheckCondition: Fix FP found in daca results (ace)
2017-09-05 09:33:35 +02:00
Daniel Marjamäki
d82805b7fe
CheckCondition: Improved checking for same conditions
2017-09-04 22:40:34 +02:00
Daniel Marjamäki
abae5e0156
Fixed #8198 (false positive: (warning) Same condition, second condition is always false)
2017-09-04 22:25:20 +02:00
Daniel Marjamäki
ad494b996c
TestCondition: break out tests to functions
2017-09-04 22:11:53 +02:00
Daniel Marjamäki
d838dc2129
CheckCondition::multiCondition2: Fix FN for pointers
2017-09-04 15:58:22 +02:00
Daniel Marjamäki
9465dca583
CheckCondition: Fix FPs for aliased variables (daca)
2017-09-04 09:34:03 +02:00
Daniel Marjamäki
ef4a7ba7f2
Fix FP in CheckCondition::multiCondition2
2017-09-03 14:46:37 +02:00
Daniel Marjamäki
b9849d9e4e
CheckCondition::multiCondition2: Handle loops better
2017-09-03 11:03:01 +02:00
Daniel Marjamäki
01e65d3e00
Improved CheckCondition::multiCondition2 so deeper bugs are found
2017-09-03 10:44:22 +02:00
Daniel Marjamäki
f2ec5f24ce
Fixed #5845 (new check: same condition after noreturn conditional code => second condition is always false)
2017-09-03 10:34:34 +02:00
Daniel Marjamäki
0b751dcc1b
Opposite conditions: Better matching when outer condition uses &&
2017-09-01 23:24:15 +02:00
Daniel Marjamäki
3b4f60fd21
Updated error message
2017-09-01 13:33:47 +02:00
Daniel Marjamäki
7fad1b9a36
Improved checking for opposite conditions
2017-08-31 22:53:21 +02:00
Daniel Marjamäki
dce942197c
Fixed #8186 (Inner condition always false inside for loop)
2017-08-31 16:00:12 +02:00
Daniel Marjamäki
255d0410a4
Fixed #8085 (Token::expressionString: unsigned long long)
2017-07-21 09:16:42 +02:00
Daniel Marjamäki
814d2ae2a4
Fixed #7028 (False positive: opposite conditions (const method modifies variable))
2017-07-10 23:12:45 +02:00
Ayaz Salikhov
28aa939d69
iwyu - include what you use
2017-05-27 04:33:47 +02:00
Daniel Marjamäki
040d2f0012
Use simplecpp lexer in test cases
2017-05-18 21:52:31 +02:00
Daniel Marjamäki
55cd69e290
alwaysTrueFalse: Dont warn when checking sizeof for some type. such condition might be platform dependent.
2017-05-13 19:07:24 +02:00
Daniel Marjamäki
7fd04cd8d0
Updated Token::expressionString(), write '->' instead of '.'
2017-04-30 14:22:18 +02:00
PKEuS
9225bff31d
Added (back) support for enums to CheckCondition::checkIncorrectLogicOperator() ( #7794 )
2017-03-23 18:57:48 +01:00
PKEuS
ca3e3b3cdb
Fixed false positive multiCondition when & is used in both conditions ( #7827 )
2017-03-15 19:37:14 +01:00
Daniel Marjamäki
263c3596d5
known conditions: dont warn about 0 or 1 conditions as those look intentional
2017-03-08 18:39:19 +01:00
Daniel Marjamäki
1c6c209353
Fixed #7890 (1.77 false positive from knownConditionTrueFalse with function-like macros)
2017-03-03 19:53:16 +01:00
Daniel Marjamäki
16c06e5714
Fixed #7588 (Opposite conditions in nested 'if' blocks lead to a dead code block.)
2017-02-28 18:46:28 +01:00
Daniel Marjamäki
a53f14da25
Fixed #7925 (False Positive identical condition)
2017-02-22 21:13:36 +01:00
Stefan Weil
57b57428c2
Fix some typos in comments (found by codespell)
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Signed-off-by: Stefan Weil <sw@weilnetz.de>
2016-11-27 11:40:42 +01:00
Matthias Krüger
cf24ea5221
fix #7783 : false positive knownConditionTrueFalse on assert(0 && "message").
2016-11-23 21:54:38 +01:00
Frank Zingsheim
d4f01583b6
Fixed TODO (check if function parameter is non-const reference etc..) by common function
2016-11-01 14:06:30 +01:00
Harald Scheidl
58eb644003
Improved Check: Warn about number and char literals in boolean expressions ( #7750 )
2016-10-09 13:21:00 +02:00
Daniel Marjamäki
9417425829
Fix testrunner
2016-08-29 04:26:27 +02:00
Bartlomiej Grzeskowiak
09a83f2cc8
Fixed #7567 ("(a | 7) > 6U" is always true)
2016-08-07 16:58:39 +02:00
Daniel Marjamäki
5611a71820
Fixed #7543 (False positive boolean result used in bitwise operation)
2016-07-29 18:46:43 +02:00
Daniel Marjamäki
89be630156
Fixed #7543 (False positive boolean result used in bitwise operation)
2016-07-29 17:24:22 +02:00
Bartlomiej Grzeskowiak
a5cfa2b12c
- #7522 and #7428 revisited. ((a&7)>7U) is always false and ((X|7)>=6) is correct (X can be negative).
2016-06-17 12:12:53 +02:00
PKEuS
f2ae295f1e
Support char literals in CheckCondition::checkIncorrectLogicOperator() ( #5912 )
2016-05-24 15:08:48 +02:00
PKEuS
5d5886b464
Properly detect binary & in CheckCondition::clarifyCondition() (fixes false positives when self-checking cppcheck)
2016-05-06 17:39:41 +02:00
PKEuS
3366a74bb0
Refactorized CheckCondition::clarifyCondition():
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- Reimplemented parts of the check based on ValueType
- Merged two loops
Fixed some type conversion messages
2016-05-06 15:22:45 +02:00
Bartlomiej Grzeskowiak
7e020e1d92
- fix for #7428 false negative: Statement is always false
2016-04-14 14:50:08 +02:00
Daniel Marjamäki
7bd034c009
Fixed #7369 (False positive knownConditionTrueFalse - assertions)
2016-02-06 14:37:44 +01:00
Daniel Marjamäki
40e14f401f
CheckCondition::alwaysTrueFalse: Move to normal checking to catch more problems
2016-01-26 10:08:21 +01:00
Daniel Marjamäki
6faa637fc7
Fixed #6537 (False positive badBitmaskCheck - error in valueflow)
2016-01-24 13:45:44 +01:00
Lauri Nurmi
996c9244d8
Update copyright year to 2007-2016.
2016-01-01 15:34:45 +02:00
Daniel Marjamäki
1b0bb02f1d
invalidTestForOverflow: Fixed some false negatives ( #7184 )
2015-11-30 11:12:51 +01:00
Daniel Marjamäki
fb8cce647c
invalidTestForOverflow: Refactor; move from checkother to checkcondition
2015-11-30 08:51:15 +01:00
Daniel Marjamäki
0f9d90d2be
Changed Copyrights. Removed my name.
2015-11-18 20:04:50 +01:00
Daniel Marjamäki
b9b0964dab
Fixed #7006 (False positive Mismatching assignment and comparison (variable is changed in loop))
2015-11-11 13:45:28 +01:00
Alexander Mai
2554674f4b
Add regression test for previously fixed #6064 , and TODO test for #6081
2015-11-07 11:17:44 +01:00
Daniel Marjamäki
ac9cb87e04
ValueType: Handle bit operations, sizeof better. Use ValueType in astIsFloat().
2015-10-11 12:20:40 +02:00
PKEuS
0a34b206e8
Refactorization: Reduced code duplication in test suite
2015-10-08 11:35:51 +02:00
PKEuS
3a5cef8a7e
Refactorization: Improved usage of Settings instances in test suite
2015-10-07 18:40:03 +02:00
Simon Martin
f273323cd0
Fixed TODO-test for CheckCondition::checkBadBitmaskCheck by handling functions return bool.
2015-09-03 21:07:03 +02:00
Daniel Marjamäki
6865724c4e
Fixed #6914 (Token::expressionString: parenthesis missing in expression (*it)->stats.corpse_ticks)
2015-08-12 10:55:25 +02:00
Daniel Marjamäki
eda5272dfd
Fixed #6875 (Improve 'Redundant condition' error message)
2015-08-05 11:15:54 +02:00
Matthias Krüger
73eefa46fc
testcondition: update testcase that was added since I did the changes.
2015-07-31 15:31:43 +02:00
Matthias Krüger
87891b4128
CheckCondition::checkIncorrectLogicOperator put conditions in single quotes
2015-07-31 15:28:48 +02:00
Matthias Krüger
21ed807f8d
CheckCondition::alwaysTrueFalseError: put condition in single quotes.
2015-07-31 15:28:37 +02:00
Daniel Marjamäki
251f6d2a15
Fixed #6898 (Token::expressionString: wrong output when first token is post-incremented)
2015-07-31 07:03:52 +02:00
Daniel Marjamäki
1752c4f4f0
Avoid 'Condition always true/false' FP when part of the condition is an expanded macro
2015-07-30 13:30:16 +02:00
amai2012
c5673612e2
#6069 False positive incorrectLogicOperator due to dynamic_cast. Run CheckCondition::checkIncorrectLogicOperator on non-simplified tokenlist.
2015-07-30 10:30:30 +02:00
Daniel Marjamäki
120f3072eb
alwaysTrueFalse: Dont write warning when comparison is made in macro
2015-07-29 12:51:00 +02:00
Daniel Marjamäki
64b72bd6e5
Fixed #6227 (False positive (oppositeInnerCondition) - if (!dynamic_cast<>))
2015-07-27 10:43:52 +02:00
PKEuS
176b3925b3
Removed "verify" code in testrunner. Fixing its messages reduces the accuracy of the test suite.
2015-07-25 14:18:41 +02:00
Daniel Marjamäki
f711520892
Fixed #6852 (false negative: logical conjunction 'x == 0')
2015-07-21 22:26:22 +02:00