0edf0b5628
Fixed #8938 (FP identicalInnerCondition)
2019-04-22 16:54:59 +02:00
648acd1cbf
astyle formatting
...
[ci skip]
2019-04-18 20:21:00 +02:00
103002578d
Add check for duplicate condition and assignment ( #1799 )
...
* Add check duplicate condition and expression
* Format
* Add assign token
* Add to classInfo
* Change note messages
2019-04-18 20:20:24 +02:00
774464eabb
Fix issue 8996: False positive duplicateCondition
...
This fixes issue 8996 by improving the alias checking by using lifetime analysis. It also extends the lifetime checker to handle constructors and initializer lists for containers and arrays.
2019-03-19 06:25:10 +01:00
3dc34f1515
Disable all simplified checks
2019-03-16 09:17:50 +01:00
f40a80c349
Use 'normal' checking instead of 'simplified'
2019-03-16 07:19:48 +01:00
0ee3f678b5
Fix issue 8987: False positive knownConditionTrueFalse ( #1678 )
2019-02-20 15:28:31 +01:00
bd7790fd8c
Update copyright year
2019-02-09 07:24:06 +01:00
a05079fef7
Add regression test for #8780 ( #1619 )
...
Ticket #8780 was fixed in b839ad60dd
2019-01-25 07:48:18 +01:00
8356ec6774
Add regression test for #6906 and #7284 ( #1614 )
...
* Add regression test for #6906
Ticket #6906 was fixed in f65cf220ba#7284
Ticket #7284 was fixed in 5d1fdf7958
2019-01-23 09:09:03 +01:00
4b37f276c2
ValueFlow: Set arrays to true when converting to a boolean
...
This sets it by checking the parent. It doesn't handle function parameters yet.
2019-01-21 20:05:35 +01:00
f7d85e9df2
Add regression test for #6904 ( #1611 )
...
Ticket #6904 was fixed in 34dbc3c00c
2019-01-20 10:05:09 +01:00
738fef6c27
Run astyle
2019-01-12 21:51:39 +01:00
8dd641b8be
Use OVERRIDE in test
2019-01-12 15:45:25 +01:00
49bad106bb
Add regression test for 8168 ( #1588 )
...
Ticket 8168 was fixed in 713f607168
2019-01-11 14:11:48 +01:00
5fa956a597
Fix issue 8932: False positive knownConditionTrueFalse - valueflow ignores operator < ( #1584 )
2019-01-11 08:39:23 +01:00
4e147a4c59
Add a check for duplicate if statements
...
This will warn for this:
```cpp
int f(int val)
{
int i = 0;
if( val & 0xff)
i = 1;
if( val & 0xff)
i = 1;
return i;
}
```
2019-01-09 20:41:01 +01:00
0a1b3a9d6f
Fix typos ( #1568 )
2019-01-06 17:15:57 +01:00
39ceb53578
Comment out code in valueFlowArray. There was too many false positives.
2019-01-02 19:57:11 +01:00
34330b51d1
Fix issue 8905: Condition 'a==0' is always false
...
This fixes the FP in:
```cpp
void f(const int a[]){ if (a == 0){} }
```
2018-12-18 08:16:43 +01:00
025881cf35
Fix issue 8829: Condition '...' is always true (int buf[42]; if(buf != NULL){})
...
This makes arrays non-null in valueflow, so it can catch comparisons against null that is always true:
```cpp
void f(void) {
int buf[42];
if( buf != 0) {;} // << always true
}
```
2018-12-17 06:07:34 +01:00
5a6f9ac82a
Fix FP with strcmp and terminating conditions
2018-11-27 06:39:29 +01:00
f0c86b9d14
Fix issue 8842: Crash in valueFlowTerminatingCondition on incomplete code ( #1480 )
2018-11-14 06:23:45 +01:00
e46691597e
Fix issue 8841: FP knownConditionTrueFalse - Dont treat unknown function as noreturn ( #1474 )
...
* Fix issue 8841: Dont treat unknown function as noreturn
* Add a parameter to set default value when the function is unknown
2018-11-11 08:04:01 +01:00
36e663e250
Fix issue 8839: FP knownConditionTrueFalse - condition inside a while-clause ( #1469 )
2018-11-09 06:09:51 +01:00
7373be2bfa
Add a pass in valueflow for terminating conditions ( #1323 )
...
* Add valueflow for terminating conditions
* Add valueflow test
* Dont check for same expressions for now to avoid double diagnostics
* Check nesting
* Add more tests
* Ensure conditions happen in order
* Check for null
* Add error path
* Support same expression check as well
* Use early continue
* Skip checking the same token
* Avoid double condtion diagnosis
* Fix FP when in switch statements
* Fix FP when time function
* Skip conditional escapes
* Use simpleMatch
* Fix naming
* Fix typo
2018-11-07 06:49:07 +01:00
e53be26f48
Try to fix Travis
2018-11-02 19:04:21 +01:00
fafd0742d4
Fix FPs with return conditions ( #1455 )
...
* Fix 8815: FP with identical inner conditions
* Fix issue 8801: FP when not returning a bool
* Fix FP
* Add missing semicolon
* Move returnVar
2018-10-31 09:47:48 +01:00
b8e8b12783
Fixed #8797 (exprDependsOnThis handle method call in non-inline method)
2018-10-24 20:17:00 +02:00
2348dcde6c
#8801 : Quick fix for false positives
2018-10-24 19:57:50 +02:00
edde0eedaa
Fix FP issue 8801: Condition 'a+b' is always true ( #1444 )
2018-10-21 08:04:00 +02:00
29feaa5a51
Tokenizer: Avoid constant folding
2018-10-20 10:51:50 +02:00
40cb9cb1bc
Check conditions in return statements ( #1411 )
...
* Identify return conditions in multiconditions
* Improve error messages
* Check return statements are always true or false
* Add more tests for FPs
* Fix FP when returning const like variables
* Fix FP when returning pointers or classes
* Fix FP with member variable access
* Check non-local variables
* Use simplematch
* Check for null
2018-10-18 21:01:47 +02:00
f961324d45
Fixed #8735 (FP oppositeInnerCondition - regression)
2018-10-07 18:30:29 +02:00
e170a45230
Enable followVar for opposite expressions ( #1404 )
...
Enable followVar for opposite expressions
2018-10-04 21:17:47 +02:00
1fe1ec09a8
Reenable follow var for logical conjunction ( #1400 )
2018-10-01 14:40:03 +02:00
2c91b95d2a
Reenable followVar for multicondition ( #1401 )
2018-10-01 14:34:55 +02:00
f65cf220ba
Fix false positives in unknownEvaluationOrder when using followVar ( #1391 )
...
Fix false positives in unknownEvaluationOrder when using followVar
2018-09-28 08:38:24 +02:00
afe09f4d7a
Temporarily comment out the followVariable() handling
2018-09-23 16:03:18 +02:00
fa40b821e6
Fix issue 8740: Add a pass to check for valid operators ( #1372 )
2018-09-08 21:10:34 +02:00
cb03b9883f
Fix issue 8737: FP with identical inner condition due to followVar ( #1371 )
2018-09-07 20:16:38 +02:00
5a2362b2a0
Fix issue 8738: Dont warn about multiconditions when value is known ( #1369 )
2018-09-07 15:02:34 +02:00
2da958efb5
Fix issue 8722: Avoid duplicate messages due for followVar ( #1367 )
2018-09-06 06:55:36 +02:00
08f301a0de
Reenable followVar ( #1363 )
...
Reenable followVar
2018-09-05 05:53:33 +02:00
a331206b44
Temporarily disable followVariableExpressions(), there are problems that should be fixed.
2018-09-01 08:32:06 +02:00
fc135e1087
Check if member function modifies the variable ( #1350 )
...
* Check if member function modifies the variable
* Check for const pointer
* Add test for const condition
* Add more null checking
* Add todo assert for FN
2018-08-27 11:09:09 +02:00
3947c23290
Fix issue 8369: False negative: Condition 'condition' is always true ( #1325 )
...
* Fix issue 8369: False negative: Condition 'condition' is always true
* Use simpleMatch
* Add iterator header
* Cleanup
* Remove unused variable
2018-08-10 18:05:23 +02:00
f603b529df
Fix issue 8413: Condition is always false 'i=expr; if (i != expr) {}' ( #1295 )
...
* Follow variables when comparing same expression
* Remove assert include
* Dont follow function arguments
* Improve the checking to check more cases
* Add more tests
* Check if the variable is used inside a loop
* Follow both variables
* Only skip loops when variable is modified in scope
* Fix FP when followed variable is modified
* Dont follow arrays
* Skip pointer indirection
* Make recursive
* Improve checking more variables
* Fix test with sizeof
* Skip following operators
* Fix test when using sizeof
* Dont check every step
* Use early returns
* Update test to use a loop instead of conditional
* Add static
* Check variables are global
* Check local variables in another scope
* Fix issue with const pointers
* Distinguish between pointer indirection and multiply
* Use simple match
* Prevent crash with uniform initialization
* Use unary op and ast to detect pointer indirection
* Expand error message when expression do not match exactly
* Add errorpath to issameexpression
* Revert "Clarify warning message for 'Same expression on both sides of operator'"
This reverts commit 0e491b41a8
2018-08-07 09:32:16 +02:00
1b933f4dd1
astyle formatting
...
[ci skip]
2018-08-05 22:40:21 +02:00
b839ad60dd
Fix issue 6856: add checks in isOppositeCond when using == and < or > ( #1298 )
...
* 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
9895ea5ff2
Fix issue 470: Condition is always true or false on logical operators ( #1294 )
...
* 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
77b653bf94
Clarify warnings when char literals are converted to bool in conditions
2018-07-21 18:40:06 +02:00
5d1fdf7958
Fix issue 7904: Handle double nots in isSameExpression ( #1305 )
...
* 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
42f075c3fa
Skip literals for always true/false ( #1304 )
2018-07-12 23:06:47 +02:00
7e2858f158
astyle formatting
...
[ci skip]
2018-07-10 22:56:18 +02:00
03faa25d12
Conditions: Better handling of function calls
2018-07-08 15:58:04 +02:00
c2f0828a61
#6645 false negative: condition is always false. Add a regression test
2018-07-03 08:25:37 +02:00
ce50df8047
Fix override warnings. ( #1234 )
2018-05-15 16:37:40 +02:00
c520735009
Improve checking of size condition against empty to avoid FPs ( #1213 )
...
* 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
e571e598b6
Fix false positive with inner conditions when using pointers ( #1195 )
2018-04-28 18:56:13 +02:00
1b4f4d7130
Fixed #8495 (False positive: boolean result used in bitwise operation when & is overloaded)
2018-04-17 22:14:17 +02:00
bbfcccf078
Refactorization: Replace several push_back-sequences by initializer lists
2018-04-09 09:41:24 +02:00
795b9f5e0f
astyle formatting
2018-04-08 09:25:59 +02:00
b85dda77da
Add a check for identical inner conditions ( #1156 )
2018-04-08 08:13:44 +02:00
0c6f184423
Fix false positive for opposite conditions when using different containers ( #1143 )
...
* Fix false positive for opposite conditions when using different containers
* Add additional test
2018-04-05 06:43:13 +02:00
7e4dba6a7e
Updated copyright year
2018-03-31 20:59:09 +02:00
43be20a824
Check more opposite conditions
2018-03-24 07:58:37 +01:00
c4caee6b18
Updated copyright year
2018-01-14 15:37:52 +01:00
28cfee2d4f
Fixed #8250 (New check: Pointer calculation result cant be NULL unless there is overflow)
2017-10-22 14:32:54 +02:00
5993c40d5b
Improve 'opposite inner condition' check
2017-09-22 14:01:20 +02:00
927b14b60f
Fixed #8217 (Crash in isVariableChanged())
2017-09-14 15:45:15 +02:00
bb20c0504e
CheckCondition: Fix FP in daca (iqtree) 'in >> ch'
2017-09-13 22:46:36 +02:00
9f4fc7b323
Rename sameConditionAfterEarlyExit to identicalConditionAfterEarlyExit
2017-09-10 22:59:39 +02:00
db321c2617
CheckCondition: Fix FP when there is increment/decrement in condition (daca icu)
2017-09-10 22:58:05 +02:00
c34fdd1905
CheckCondition: Fix FP for undeclared variables (daca)
2017-09-10 22:30:41 +02:00
899ad8479d
CheckCondition: Fixed FP when condition contains global static variable
2017-09-08 15:44:56 +02:00
d9adb5432a
astyle formatting
...
[ci skip]
2017-09-08 15:41:14 +02:00
9cbfa0e383
Fix #7803 : false negative: condition is always true 'if (flags & A)' ( #938 )
2017-09-08 14:30:42 +02:00
58db814d72
Rephraze /Same/Identical/
2017-09-08 12:41:33 +02:00
120d0f86d0
CheckCondition: Fix FP about same condition when switch case is used (daca)
2017-09-07 22:05:01 +02:00
f2d56363d3
CheckCondition: Fix TODO assertion
2017-09-06 22:53:36 +02:00
e0c7f7f8f2
CheckCondition: Fix FP when there are method calls in condition
2017-09-06 22:26:00 +02:00
35736364f8
Fixed #8199 (false negative: (warning) Same condition '...', second condition is always false)
2017-09-05 22:45:28 +02:00
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
c1000998f0
CheckCondition: Fix FP found in daca results (ace)
2017-09-05 09:33:35 +02:00
d82805b7fe
CheckCondition: Improved checking for same conditions
2017-09-04 22:40:34 +02:00
abae5e0156
Fixed #8198 (false positive: (warning) Same condition, second condition is always false)
2017-09-04 22:25:20 +02:00
ad494b996c
TestCondition: break out tests to functions
2017-09-04 22:11:53 +02:00
d838dc2129
CheckCondition::multiCondition2: Fix FN for pointers
2017-09-04 15:58:22 +02:00
9465dca583
CheckCondition: Fix FPs for aliased variables (daca)
2017-09-04 09:34:03 +02:00
ef4a7ba7f2
Fix FP in CheckCondition::multiCondition2
2017-09-03 14:46:37 +02:00
b9849d9e4e
CheckCondition::multiCondition2: Handle loops better
2017-09-03 11:03:01 +02:00
01e65d3e00
Improved CheckCondition::multiCondition2 so deeper bugs are found
2017-09-03 10:44:22 +02:00
f2ec5f24ce
Fixed #5845 (new check: same condition after noreturn conditional code => second condition is always false)
2017-09-03 10:34:34 +02:00
0b751dcc1b
Opposite conditions: Better matching when outer condition uses &&
2017-09-01 23:24:15 +02:00
3b4f60fd21
Updated error message
2017-09-01 13:33:47 +02:00
7fad1b9a36
Improved checking for opposite conditions
2017-08-31 22:53:21 +02:00
dce942197c
Fixed #8186 (Inner condition always false inside for loop)
2017-08-31 16:00:12 +02:00
255d0410a4
Fixed #8085 (Token::expressionString: unsigned long long)
2017-07-21 09:16:42 +02:00
814d2ae2a4
Fixed #7028 (False positive: opposite conditions (const method modifies variable))
2017-07-10 23:12:45 +02:00
Daniel Marjamäki
Paul Fultz II
rikardfalkeborn
amai2012
practicalswift
IOBYTE
PKEuS
Nekto89