Paul Fultz II
7ef119cbfc
Fix FPs in lifetime checker
...
This fixes several FPs in the lifetime checker. It also fixes issue [8846](https://trac.cppcheck.net/ticket/8846 ):
```cpp
int * f(int a[])
{
return a;
}
```
2018-11-17 09:41:59 +01:00
Paul Fultz II
d376e9f245
Track variable lifetime through function calls ( #1481 )
2018-11-16 06:12:28 +01:00
Paul Fultz II
54453c5802
Fix FP when copying pointer to string ( #1479 )
2018-11-14 06:59:25 +01:00
Paul Fultz II
0e11bb07c8
Extend lifetime analysis to pointer usage ( #1477 )
...
* Use lifetime analysis for pointers as well
* Fix issue 1143: Pointer to local array
* Update message when using pointers
* Avoid infinite loop in tracing lifetimes
2018-11-12 10:08:17 +01:00
Paul Fultz II
68d6b96878
Diagnose invalid lifetimes ( #1475 )
...
* Add check for invalid lifetimes
* Fix FP with member variables
* Dont forward lifetime values in subfunction
* Update message to use out of scope
2018-11-11 16:43:54 +01:00
Daniel Marjamäki
ee2dfb6604
Fixed #8058 (False positive returnAddressOfAutoVariable within lambda)
2018-11-11 07:52:38 +01:00
Paul Fultz II
1ffcc6b730
Add initial lifetime checker ( #1448 )
...
* Inital valueflow lifetime checker
* Forward values
* Add initial tests
* Fix deplicate messages
* Fix traversing nested lambdas
* Turn test case into a todo
* Skip if returning a container
* Fix FP when using references
* Add missing header
* Fix FP from broken scopes
* Fix FP with static variable
* Add test for more FPs
* Parse lambda functions
* Check for capture by value
* Add tests for using a container and lambda together
* Fix cppcheck errors
* Add test for nextAfterAstRightmostLeaf
* Add valueflow tests
* Update error message
* Check for correct lambda token
* Improve error path reporting
* Fix hang when parsing arrays that look almlost like lambdas
2018-11-10 16:40:40 +01:00
Daniel Marjamäki
66ca03fa0c
Fixed #8826 (false negative: Invalid memory address freed)
2018-11-03 18:55:20 +01:00
Paul Fultz II
fa40b821e6
Fix issue 8740: Add a pass to check for valid operators ( #1372 )
2018-09-08 21:10:34 +02:00
Daniel Marjamäki
43233e72b2
Fixed #8691 (False negative for uselessAssignmentArg)
2018-08-17 19:56:36 +02:00
Daniel Marjamäki
cde63c7573
Use Variable::valueType instead of Variable::typeStartToken in auto variables
2018-06-24 08:25:19 +02:00
IOBYTE
ce50df8047
Fix override warnings. ( #1234 )
2018-05-15 16:37:40 +02:00
Daniel Marjamäki
7e4dba6a7e
Updated copyright year
2018-03-31 20:59:09 +02:00
Daniel Marjamäki
c110770481
Fixed #8325 (False negative: address of auto variable being returned when assigned to another variable first)
2018-01-27 14:48:45 +01:00
Daniel Marjamäki
cb297a00fc
Auto variables: Assign address of local variable to global pointer ( #6825 )
2018-01-25 22:50:41 +01:00
Daniel Marjamäki
599e038282
AutoVariables: Warn when address of local array is assigned to global pointer and pointer is not reassigned
2018-01-24 21:33:58 +01:00
Daniel Marjamäki
c4caee6b18
Updated copyright year
2018-01-14 15:37:52 +01:00
Ayaz Salikhov
28aa939d69
iwyu - include what you use
2017-05-27 04:33:47 +02:00
Daniel Marjamäki
f68fa72095
Fixed #7583 (Defect: False positive '(error) Reference to temporary returned')
2017-02-26 13:41:49 +01:00
PKEuS
ea53bd22b7
Fixed false positive returnTempReference with operator++ ( #7874 )
2016-12-22 11:49:59 +01:00
Daniel Marjamäki
aaf19c1e4f
Fixed #7839 (Prefix increment triggers parameter modification warning)
2016-12-19 15:25:36 +01:00
PKEuS
1715969f6f
Support prefix-increment/decrement in CheckAutoVariables::assignFunctionArg() ( #3177 )
2016-10-10 21:34:40 +02:00
Alexander Mai
d492500f34
#5844 False positive: returnReference fp for inner lambda function
2016-05-20 23:46:56 +02:00
PKEuS
23ad881c64
Fixed false positive returnLocalVariable ( #7180 )
2016-01-30 20:18:12 +01:00
Lauri Nurmi
996c9244d8
Update copyright year to 2007-2016.
2016-01-01 15:34:45 +02:00
Alexander Mai
ba0859e838
#6981 crash in checkvaarg.cpp (with possible fix). Avoid segfault. Add SymbolDatabase::validate() to allow validating smyboldatabase
2015-12-05 20:55:26 +01:00
Daniel Marjamäki
0f9d90d2be
Changed Copyrights. Removed my name.
2015-11-18 20:04:50 +01:00
Daniel Marjamäki
71bf0f076f
CheckAutoVariables: Handle 'x-y' better in isAutoVarArray
2015-11-15 19:34:36 +01:00
Daniel Marjamäki
4e578af603
CheckAutoVar: Improved usage of AST and ValueFlow
2015-11-15 14:48:13 +01:00
Daniel Marjamäki
c10a10c26f
CheckAutoVariables: use ValueFlow to detect more errors when pointer aliases are used
2015-11-15 12:10:35 +01:00
PKEuS
a8cf63239a
Fixed false positive autovarInvalidDeallocation if deallocting result of member function ( #6551 )
2015-11-11 16:59:31 +01:00
PKEuS
f1bbcfe32d
Refactorization: Avoid loading std.cfg multiple times in testautovariables.cpp
2015-10-07 14:40:09 +02:00
Simon Martin
59abb04042
Ticket #6596 : Address of local variables can also be assigned to pointer-pointer arguments using the ptr[] syntax.
2015-08-28 20:29:51 +02:00
PKEuS
7bb79562e9
Skip inner classes in CheckAutoVariables::returnReference() ( #6951 )
2015-08-26 13:31:51 +02:00
Simon Martin
6fb19b02d0
Properly differentiate arrays of pointers and pointers to arrays.
2015-08-25 21:19:19 +02:00
PKEuS
a297a03b64
Fixed false positive #6787 : Skip over lambdas in CheckAutoVariables::returnReference()
2015-08-14 13:03:07 +02:00
Daniel Marjamäki
9627fccdc5
assignFunctionArg: don't warn when there is self assignment. There is a separate warning for self assignments.
2015-08-09 14:51:23 +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
Simon Martin
7481fbb028
Fixed #6506 (Properly detect calls to the deallocating free() function)
2015-06-20 21:00:54 +02:00
PKEuS
42673255ed
Refactorized testrunner: Create std::string only where necessary
2015-03-15 12:36:40 +01:00
PKEuS
bc5132e0ac
Refactorization: Moved declaration of errout, ... to testsuite.h, uniformized style
2015-03-11 22:54:43 +01:00
Robert Reif
130ffc5752
Fixed #6538 (Symboldatabase: improve isFunction)
2015-02-24 06:11:31 +01:00
PKEuS
36841cfa41
Better support for stream operator in CheckAutoVariables::returnReference() ( #6423 )
2015-01-31 10:12:49 +01:00
Daniel Marjamäki
ff11ba9847
Updated copyright year to 2015
2015-01-03 12:14:58 +01:00
Daniel Marjamäki
051d42ae6b
astyle formatting
2014-11-20 14:20:09 +01:00
orbitcowboy
f5d804f71a
running astyle
2014-11-20 10:13:03 +01:00
Daniel Marjamäki
a3efa1e180
Fixed #4776 (FP: Assignment of function parameter has no effect outside the function, with goto)
2014-10-21 16:21:33 +02:00
Dmitry-Me
1e298a31cf
Refactoring tests. Use utility function to warn about unsimplified code in tests.
2014-09-13 12:59:32 +02:00
PKEuS
ac59485e7e
Refactorized CheckAutoVariables::assignFunctionArg():
...
- Splitted message into style message (assigning non-pointers) and warning message (assigning pointers)
- Support operator++/-- (#4793 )
2014-08-04 11:45:24 +02:00
PKEuS
a04036337d
Fixed #5860 : Don't show returnTempReference for calculations on unknown types
2014-05-24 12:50:04 +02:00