Daniel Marjamäki
16cc20a232
ValueFlow: Better handling of container size values
2018-11-02 18:28:32 +01:00
Daniel Marjamäki
c03d32b429
ValueFlow: Improve containerSize handling of string like classes
2018-10-28 19:14:00 +01:00
Daniel Marjamäki
06ede9c239
ValueFlow: handle x+=y for containers
2018-10-27 18:38:04 +02:00
Paul Fultz II
16c62281d0
Use followVar in checking duplicateBranch ( #1423 )
...
* Use isSameExpression for duplicate branches
* Add errorPath
* Add another test
2018-10-18 11:56:23 +02:00
Paul Fultz II
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
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
d7de46f50e
ValueFlow: Fix false positive for container size
2018-09-08 10:43:08 +02:00
Daniel Marjamäki
c6d43506b6
ValueFlow: Fix FP in switch
2018-09-04 20:28:48 +02:00
Daniel Marjamäki
cc402869a6
Fixed #8689 (False positive: containerOutOfBounds after function call)
2018-09-02 14:08:34 +02:00
Daniel Marjamäki
6223204a06
Fixed #8708 (FP: Accessing an item in container that is empty)
2018-08-27 13:49:47 +02:00
Daniel Marjamäki
2f834c3c3b
Fixed #8688 (False positive: containerOutOfBounds)
2018-08-13 21:27:29 +02:00
Daniel Marjamäki
55ab842083
valueFlowSizeForward: Bailout when function calls modify the container size
2018-08-13 06:54:18 +02:00
Daniel Marjamäki
183345a939
valueFlowContainerSize: Fix FP when container size is changed
2018-08-12 22:23:19 +02:00
Daniel Marjamäki
7074eeb869
valueFlowContainerSize: assignment of string-like containers
2018-08-12 22:01:58 +02:00
Daniel Marjamäki
189ea5003a
valueFlowContainerSize: empty container variables
2018-08-12 14:41:00 +02:00
Daniel Marjamäki
811a71aa06
valueFlowContainerSize: Handle guard logic
2018-08-11 15:08:54 +02:00
Daniel Marjamäki
6008bbdfb4
valueFlowContainerSize: Fix wrong value after condition if conditional code escapes
2018-08-11 13:49:42 +02:00
Daniel Marjamäki
10461e5429
valueFlowContainerSize: forward analysis inside conditional code
2018-08-10 22:18:38 +02:00
Daniel Marjamäki
4a502a7f6b
valueFlowContainerSize: add simple forward analysis
2018-08-10 22:06:23 +02:00
Daniel Marjamäki
2b10e38eec
valueFlowContainerSize: handling of 'v.size() == 10'
2018-08-10 21:43:47 +02:00
Paul Fultz II
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
Daniel Marjamäki
3805af18a2
valueFlowContainerSize: Fix crash when container pointer is null
2018-08-10 12:53:16 +02:00
Daniel Marjamäki
f37434cd1d
valueFlowContainerReverse: Fix FPs when there is assignment
2018-08-10 12:26:53 +02:00
Daniel Marjamäki
907f81d059
ValueFlow: Improved analysis of container size
2018-08-10 11:53:56 +02:00
Daniel Marjamäki
81f54f7094
Fixed #8681 (ValueFlow: Container size)
2018-08-10 11:29:16 +02:00
Daniel Marjamäki
c666f74755
astyle formatting
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[ci skip]
2018-07-25 23:02:16 +02:00
Paul Fultz II
f093692551
ValueFlow: Set values in else branch even when the first branch modifies the value ( #1309 )
...
* Set values in else branch even when the first branch modifies the value
* Move tests
* Add check for goto
* Remvoe todo
* Also check scope is noreturn
* Use isEscapeScope when variables are changed
2018-07-25 22:59:54 +02:00
Paul Fultz II
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
Daniel Marjamäki
991300ac54
Clarify code with Token::isUnaryOp()
2018-07-14 22:36:08 +02:00
Daniel Marjamäki
1e824330c0
Refactoring: Use range for loops
2018-07-14 22:26:22 +02:00
Daniel Marjamäki
0f3cc56c59
Refactoring: Use range for loops
2018-07-14 13:19:41 +02:00
Daniel Marjamäki
d603a811bb
Clarify code with Token::hasKnownValue()
2018-07-14 13:09:53 +02:00
orbitcowboy
de66eedd54
Improved const correctness of local variables.
2018-05-29 17:33:43 +02:00
Daniel Marjamäki
8e8919e906
Fix comment
2018-05-07 22:06:23 +02:00
Daniel Marjamäki
8c2a5c9813
astyle formatting
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[ci skip]
2018-05-06 09:50:53 +02:00
Paul Fultz II
0561877182
Fix false positive with negative array index in issue 8536 ( #1202 )
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* Fix FP with negative array index in valueflow
* Remove values when valueflow fails
* Add valueflow test
2018-05-06 08:35:29 +02:00
Daniel Marjamäki
858e055c0e
ValueFlow: Wrote a few basic comments
2018-05-05 23:03:04 +02:00
Daniel Marjamäki
f336c2efe7
Refactoring; Renamed Scope::classStart and Scope::classEnd
2018-04-27 22:36:30 +02:00
Daniel Marjamäki
dbcdb19b73
Refactoring; Use range for
2018-04-24 18:02:36 +02:00
Daniel Marjamäki
7ee636b934
Refactoring: Reuse isLikelyStreamRead in isVariableChanged
2018-04-18 17:46:10 +02:00
Daniel Marjamäki
7825eb8670
Refactoring; reuse isLikelyStreamRead
2018-04-17 19:51:27 +02:00
Daniel Marjamäki
c84628c28a
Fixed #8494 (False positive: serialization class overloads operator)
2018-04-17 14:23:04 +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
c5923fbdd3
astyle formatting
2018-04-09 22:21:17 +02:00
Paul Fultz II
d8b3fa5c70
Fix #8482 : Regression with valueflow ( #1159 )
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* Fix regression with valueflow
* Simplify test case
2018-04-09 16:13:17 +02:00
PKEuS
b15cc3f236
Refactorization: Replace several push_back-sequences by initializer lists
2018-04-09 09:54:39 +02:00
Daniel Marjamäki
ee5c60e8f6
Refactoring, use early continue
2018-04-08 09:30:13 +02:00
Daniel Marjamäki
795b9f5e0f
astyle formatting
2018-04-08 09:25:59 +02:00
Paul Fultz II
aed84abfd5
Extend valueflow comparison ops ( #1153 )
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* Handle else clause when doing a compare
* Break early
* Fix bug in checking no return else
* Escape quotes
* Add equal sign
* Simplify the logic
2018-04-08 09:24:01 +02:00
Matthias Krüger
5a104cab6e
remove weird "#line 2" from valueflow.cpp
2018-04-06 23:26:08 +02:00
Daniel Marjamäki
3ad6c7ebce
Refactoring, use early continue
2018-04-05 08:21:43 +02:00
Paul Fultz II
b871c85b67
Improve valeflow analysis with comparison operators ( #1131 )
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* Improve valeflow analysis with comparison operators
* Use simple match
* Dont add 0 on comparisons
* Check reverse comparisons
* Use nullptr
* Remove duplicate code tests
2018-04-05 06:51:31 +02:00
jrp2014
b6504c70ca
Improve constness
2018-04-04 21:51:31 +02:00
IOBYTE
5bc039b7da
Fix #6367 and #8439 (improve sizeof value flow support) ( #1132 )
2018-03-23 08:28:12 +01:00
Daniel Marjamäki
7699f6432b
Fixed #8288 (valueFlowGlobalVar: compound assignments)
2018-03-18 19:53:33 +01:00
Daniel Marjamäki
ec6133aea2
Fixed #8182 (False positive uninitvar - variable initialized in function in ternary expression)
2018-03-16 19:13:48 +01:00
Daniel Marjamäki
1628405869
Fix internal warning
2018-02-24 22:35:37 +01:00
Daniel Marjamäki
7701e4594a
ValueFlowBeforeCondition: Fix wrong value in do-while condition when there is a break in the loop body
2018-02-24 22:07:34 +01:00
Daniel Marjamäki
69b50b274c
Try to make Travis happy
2018-02-11 22:54:14 +01:00
Daniel Marjamäki
e62b9bdc77
Fixed #8348 (ValueFlow: wrong Uninit value with abort() in else-branch)
2018-02-11 22:14:44 +01:00
Matthias Krüger
f009cfc845
fix some typos found by codespell.
2018-02-04 20:53:43 +01:00
Daniel Marjamäki
c4caee6b18
Updated copyright year
2018-01-14 15:37:52 +01:00
Daniel Marjamäki
6fd157e93b
ValueFlow: Template arguments have 'possible' values
2018-01-11 14:22:27 +01:00
PKEuS
c8010fdf42
Fixed crash on garbage code ( #8307 )
2018-01-07 13:11:56 +01:00
Daniel Marjamäki
8fe4852b98
Refactoring, reuse and improve isVariableChangedByFunction()
2017-11-18 11:02:52 +01:00
Daniel Marjamäki
9191e6f112
Fixed #8246 (ValueFlow: known value, function pointer argument)
2017-11-17 23:04:54 +01:00
Daniel Marjamäki
4a9984d73b
Fixed #8233 (FP uninitvar found in bash:lib/readline/display.c)
2017-11-06 10:28:07 +01:00
Ayaz Salikhov
19af9bc216
Fix UB when converting float to int ( #984 )
2017-11-03 14:05:23 +01:00
Daniel Marjamäki
002f6679d5
Fix syntax error
2017-10-21 22:17:07 +02:00
Daniel Marjamäki
c4c76aa1ad
Use MathLib::bigint_bits
2017-10-21 22:08:34 +02:00
Ayaz Salikhov
64e61d28ba
Add an ability to use address sanitizer ( #979 )
2017-10-21 21:04:14 +02:00
Daniel Marjamäki
05e1e5e0a0
astyle formatting
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[ci skip]
2017-10-20 22:11:12 +02:00
Daniel Marjamäki
1d5e3e4f0c
Fixed #8247 (False positive knownConditionTrueFalse)
2017-10-20 17:31:58 +02:00
Dmitry-Me
5040491ee6
Size computation code not required outside this translation unit
2017-10-19 19:01:41 +03:00
Dmitry-Me
606e28a3c5
Extract and reuse size computation
2017-10-19 00:25:21 +03:00
Dmitry-Me
34a8d2431f
Extract and reuse size computation
2017-10-19 00:20:04 +03:00
Dmitry-Me
8709490903
Clarify expressions with parentheses
2017-10-18 23:40:43 +03:00
Dmitry-Me
e356ccca22
Revert "Clarify expression with parentheses"
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This reverts commit bbf0a81c2d
.
2017-10-18 23:31:44 +03:00
Dmitry-Me
bbf0a81c2d
Clarify expression with parentheses
2017-10-18 23:24:31 +03:00
Dmitry-Me
151ace2581
Use Platform for char limits computation ( #972 )
2017-10-18 17:30:47 +02:00
Daniel Marjamäki
ad1749738e
Fixed #6153 (ValueFlowBeforeCondition: Handle global variables)
2017-10-17 16:55:37 +02:00
Daniel Marjamäki
6d59290858
Fixed #10 (ValueFlow: condition variable has known value in switch case)
2017-10-16 21:51:30 +02:00
Daniel Marjamäki
fbccb3ae55
Add errorpath for accessMoved message
2017-10-10 15:49:15 +02:00
Daniel Marjamäki
d3c9d06aa4
astyle formatting
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[ci skip]
2017-10-08 14:16:45 +02:00
Ayaz Salikhov
be2c65eb58
Simplify int vs bool
2017-10-08 07:54:39 +02:00
Daniel Marjamäki
2a6fbe2e3c
astyle formatting
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[ci skip]
2017-10-05 23:01:42 +02:00
hexcoder
051a18b120
pull request for ticket 8180 (better diagnostic output for bailouts) ( #964 )
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* sync build instructions from readme.txt
* refactored the patch from ticket 8180. Moved logic from macros to the bailoutInternal function
* adapt to new bailout message format
* adapt to new bailout message format
* adapt to new bailout message format
* compile fix for Microsoft platform
* remove directory part from file locations in bailout message (normalize)
* remove directory part from valueflow message filter
* adapt tests to file format without directory part
* adapt tests to file format without directory part
* new line number agnostic assert_equals methods
* new line number agnostic assert_equals methods
* adapt to new method assertEqualsWithoutLineNumbers()
* adapt to new method assertEqualsWithoutLineNumbers()
* Bugfix: do not replace line number with spaces, remove it
* review changes: const char * -> std::string, size_t -> int, std::to_string() -> MathLib::toString()
* set #line at the beginning to guard against insertions from match compiler
* Bugfix: counting lines can be difficult :-) #line 1 -> #line 2
* added method stripDirectoryPart()
* added method stripDirectoryPart()
* used new method Path::stripDirectoryPart()
* new dependency path.h in lib/valueFlow.cpp
* code cleanup, removing redundant temporary objects and casts
2017-10-05 23:03:13 +02:00
Daniel Marjamäki
ba8222de1c
ValueFlow: Put 'inconclusive' state in the ValueKind. A value can't be both known and inconclusive.
2017-09-20 22:41:36 +02:00
Daniel Marjamäki
87c35cd60e
ValueFlowForward: Refactoring handling of compound assignments
2017-09-20 11:45:28 +02:00
Daniel Marjamäki
1dbcba4dd6
Fixed #8221 (ValueFlow: value for static variable that is not written)
2017-09-15 15:58:19 +02:00
Daniel Marjamäki
ef1f3fbee6
Fixed #8173 (ValueFlow: use AST when setting values in assignment RHS ((n=42) && n=='A'))
2017-09-14 22:49:47 +02:00
Dmitry-Me
a4c20b3606
Break loop early
2017-09-12 07:48:06 +03:00
Dmitry-Me
4126fab1d5
Simplify code with temporary
2017-09-12 07:46:38 +03:00
Dmitry-Me
caebf137bc
Cache and reuse value
2017-09-12 00:21:36 +03:00
Dmitry-Me
5dba8268e7
Better variable name
2017-09-04 17:53:56 +03:00
Daniel Marjamäki
a02fd54a69
ValueFlow: Avoid FPs for aliased variables
2017-09-03 23:24:55 +02:00
Dmitry-Me
beba46987d
Remove redundant variable
2017-09-01 18:19:25 +03:00
Dmitry-Me
2133350bf0
More useful default value
2017-09-01 18:17:40 +03:00
Dmitry-Me
4663dc205a
Cache and reuse value
2017-09-01 18:16:08 +03:00
Daniel Marjamäki
59034e17f1
Refactoring, reuse code to skip lambda functions
2017-08-29 22:35:55 +02:00
Daniel Marjamäki
9c99bc43c2
ValueFlow: Skip wrong handling of lambda functions. TODO: handle lambda functions properly.
2017-08-28 22:39:12 +02:00
Daniel Marjamäki
02a1b7cd2d
Fixed #7965 (valueFlowForward: Improved handling of correlated variables)
2017-08-27 19:50:44 +02:00
Daniel Marjamäki
529b255e99
ValueFlow: Better errorpath for increment/decrement
2017-08-25 23:07:26 +02:00
Daniel Marjamäki
b1b8e5270a
ValueFlow: Better errorpath for increment/decrement
2017-08-25 22:15:52 +02:00
Daniel Marjamäki
50636f75ba
ValueFlow: Improved error path for compound assignments
2017-08-24 22:02:49 +02:00
Daniel Marjamäki
f10634c021
ValueFlow: Dont try to evaluate '/=0;'
2017-08-23 17:53:05 +02:00
Daniel Marjamäki
167cfb1ac5
valueFlowForward: improve handling of compound assignments
2017-08-23 11:13:47 +02:00
Daniel Marjamäki
3abb62a6d1
Fixed #8036 (valueFlowUninit: strcpy(buf, e = str), free(e);)
2017-08-20 19:47:26 +02:00
Dmitry-Me
d3d9c76f01
Fix off by one, resolve C4334
2017-08-14 18:07:36 +03:00
Ayaz Salikhov
b8cd7dbb5c
Use nullptr instead of 0 or NULL ( #936 )
2017-08-09 20:00:26 +02:00
Daniel Marjamäki
32fe0aba41
Fixed #8037 (ValueFlow: global variable might be modified by function call)
2017-07-09 12:50:17 +02:00
Daniel Marjamäki
bce0776417
Fixed #7795 (ValueFlow: Value is not known after conditional increment )
2017-06-01 15:16:07 +02:00
Ayaz Salikhov
28aa939d69
iwyu - include what you use
2017-05-27 04:33:47 +02:00
Daniel Marjamäki
6e1544bd49
ValueFlow: Use getOrdinalText()
2017-05-23 15:01:56 +02:00
orbitcowboy
ba2b235e24
Fixed: warning: ‘tokvalue’ may be used uninitialized in this function [-Wuninitialized].
2017-05-22 15:22:38 +02:00
Daniel Marjamäki
58da0df2f6
astyle formatting
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[ci skip]
2017-05-20 18:52:48 +02:00
Daniel Marjamäki
82a372a380
Try to clarify ErrorPath texts
2017-05-20 08:47:35 +02:00
Daniel Marjamäki
f92b16706c
ValueFlow: Add ErrorPath info after for loop
2017-05-19 16:32:58 +02:00
Daniel Marjamäki
2bb54fef69
ValueFlow: Test ErrorPath handling
2017-05-19 14:34:59 +02:00
Daniel Marjamäki
cd53d10970
ErrorPath: More information about assignments
2017-05-16 23:12:35 +02:00
Daniel Marjamäki
c617851567
ErrorLogger: Added ErrorPath where each item has token and info
2017-05-16 22:38:13 +02:00
Daniel Marjamäki
e65d6d3c67
ValueFlow: inherit Value::callstack in calculations
2017-05-16 19:43:55 +02:00
Daniel Marjamäki
8d75d1b920
Partial fix for #8028 (ValueFlow: Origin/callstack of value)
2017-05-15 20:05:11 +02:00
Daniel Marjamäki
bc7799dccd
Fixed #7888 (false positive from knownConditionTrueFalse with sizeof(int) == sizeof(long))
2017-05-01 12:23:28 +02:00
Daniel Marjamäki
980ca39fe2
valueFlowForward: better handling of sizeof() in rhs in assignments
2017-04-29 08:25:55 +02:00
Daniel Marjamäki
a0a8f8ddd6
ValueFlowUninit: make it more strict
2017-04-28 13:29:09 +02:00
Daniel Marjamäki
89532cf8b9
Fixed #7968 (valueFlowBeforeCondition: better handling of compound assignments)
2017-04-25 20:45:02 +02:00
Daniel Marjamäki
37fd60e879
Fixed #7293 (Use of uninitialized pointer not detected (worked in 1.71))
2017-04-24 18:27:16 +02:00
Daniel Marjamäki
9a294496c1
ValueFlow::setTokenValue: Fix typo
2017-04-23 21:59:58 +02:00
Daniel Marjamäki
a688402617
ValueFlow::setTokenValue: Don't calculate parent value for uninitialized values
2017-04-23 21:58:01 +02:00
Daniel Marjamäki
8a738eefab
fixed #7998 (uninitialized variable is not found when used with switch/case)
2017-04-23 18:05:14 +02:00
Daniel Marjamäki
8fe7ee1012
Fixed #7886 (ValueFlow: endless forloop 'for (i = 0, j = 0; i < sz && j < 9; i++)')
2017-03-30 22:02:36 +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
PKEuS
97fa9e9d1b
ValueFlow: Stop on inline assembly
2017-03-23 20:01:16 +01:00
Daniel Marjamäki
ecc59859e1
Don't simplify _Bool in TokenList
2017-03-04 11:13:28 +01:00
Daniel Marjamäki
d1c66edb03
ValueFlow: Known values in conditional code
2017-03-03 01:29:34 +01:00
Daniel Marjamäki
47d39d0a14
Revert "Fixed #7888 (1.77 false positive from knownConditionTrueFalse with sizeof(int) == sizeof(long))"
...
This reverts commit a762511067
.
2017-01-10 13:22:48 +01:00
Daniel Marjamäki
a762511067
Fixed #7888 (1.77 false positive from knownConditionTrueFalse with sizeof(int) == sizeof(long))
2017-01-09 22:28:55 +01:00
Daniel Marjamäki
b1f7e46491
Fixed #7323 (valueflow: global variables)
2017-01-09 15:53:08 +01:00
Daniel Marjamäki
f40bdddbab
ValueFlow: Better handling when casting calculation result
2016-12-20 23:09:50 +01:00
Daniel Marjamäki
44ccbdedec
ValueFlow: Improved value for cast
2016-12-20 21:37:25 +01:00
Daniel Marjamäki
606bb78297
ValueFlow: Better handling of casts
2016-12-20 19:32:21 +01:00
Daniel Marjamäki
e14e86c103
ValueFlow: only set values in conditional code in subfunctions when sure
2016-12-20 11:06:20 +01:00
Daniel Marjamäki
807b653739
ValueFlow: Fix FP in for loops when 2nd expression is 0
2016-12-20 07:54:38 +01:00
Daniel Marjamäki
f1ad7368f6
ValueFlow: bool values
2016-12-19 21:21:18 +01:00
Daniel Marjamäki
17aaecbd6b
ValueFlow: Improved handling of sizeof
2016-12-18 14:03:48 +01:00
Daniel Marjamäki
4ac5c78e0c
Fix wrong iterator usage. Iterator that is erased must be non-const.
2016-12-17 22:20:50 +01:00
Daniel Marjamäki
72e4bc9d88
ValueFlow: skip values that cause false assertion condition
2016-12-17 21:23:14 +01:00
Daniel Marjamäki
fd85b493bd
astyle formatting
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[ci skip]
2016-12-17 18:51:16 +01:00
Frank Zingsheim
cb5a5e6a25
Improve Fix #6180 (Access of moved variable still allowed until function is called)
2016-12-17 16:42:46 +01:00
Frank Zingsheim
9a871d33f7
Improve Fix #6180 ("reset" and "clear" clears the move status)
2016-12-17 16:39:30 +01:00
Frank Zingsheim
f4ab45f13b
Improve Fix #6180 (Do not warn about move if it is part of a reassignment of the variable)
2016-12-17 16:39:30 +01:00
Daniel Marjamäki
31337dda27
ValueFlow: Better handling of && and || in for loop to avoid FP
2016-12-11 21:19:24 +01:00
Frank Zingsheim
e0d4720e19
Fix #7829 (false-positive: knownConditionTrueFalse linked to virtual method)
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Return values of virtual functions in valueflow are only possible values
since function might be overloaded.
2016-12-11 10:44:05 +01:00
Daniel Marjamäki
b098d5fbd6
ValueFlow: We need better handling of casts
2016-12-10 22:09:01 +01:00
PKEuS
2f6350a0d0
Refactorized Library
2016-12-06 14:09:28 +01:00
PKEuS
6e8ac13325
Refactorization:
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- Optimized std::string usage
- Replaced list by vector
- Moved iterator into loop head
- Ran AStyle
2016-12-05 17:45:34 +01:00
Daniel Marjamäki
5df8e7f50c
Fixed #7596 (ValueFlow: better handling for 'x*(1-x-1)')
2016-12-04 22:39:59 +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
213589ee68
ValueFlow: don't perform UB when a function returns shifts of/by negative values. Fixes #7814 .
2016-11-24 23:23:47 +01:00
Daniel Marjamäki
d40f4e4a55
Fixed #7778 (valueFlowAfterAssign: alias)
2016-11-21 17:26:36 +01:00
Frank Zingsheim
c8ff96fe8f
Fixed #6180 (Usage of variable after std::move or std::forward)
2016-11-20 15:14:49 +01:00
Matthias Krüger
b6614d0aa4
valueflow: bail out earlier when encountering divisions by zero. Fixes #7819 .
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This caused valueflow to actually try to divide by zero, detected by UBSAN.
2016-11-20 14:38:35 +01:00
Daniel Marjamäki
3b57273ef1
Fix Cppcheck warnings
2016-11-14 07:21:10 +01:00
Daniel Marjamäki
1e31c6c01c
ValueFlow: Extended handling of float values
2016-11-14 06:42:52 +01:00
Daniel Marjamäki
e1e9eacccc
ValueFlow: Added float type
2016-11-13 22:59:56 +01:00
Daniel Marjamäki
4732667488
ValueFlow: allow more value types
2016-11-13 22:33:39 +01:00
Daniel Marjamäki
7ebfb10edd
Fixed #7806 (ValueFlow: better handling of subfunction with early return)
2016-11-13 18:19:51 +01:00
Daniel Marjamäki
ac7b351d1e
ValueFlow: Don't calculate x<<64 and x>>64
2016-11-06 20:40:58 +01:00
Daniel Marjamäki
dd69d5eabe
ValueFlow: Don't calculate result when there is UB
2016-11-06 17:42:01 +01:00
Alexander Mai
ee11f0974a
#7769 segmentation fault at setTokenValue() on invalid code.
2016-11-06 14:20:58 +01:00
Daniel Marjamäki
ece4b1a06f
Fix ValueFlow
2016-11-05 09:59:48 +01:00
Daniel Marjamäki
2885a75ea6
ValueFlow: handle ~ in setTokenValue
2016-11-05 09:29:22 +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
Robert Reif
4216b26b8c
Fixed #7775 (crash at valueFlowSetConstantValue)
2016-10-26 10:36:02 +02:00
Daniel Marjamäki
8a0f3009ff
ValueFlow: inner and outer function return values
2016-10-22 17:22:57 +02:00
Daniel Marjamäki
77cd6c194f
ValueFlow: Set 'known' property for function return values
2016-10-22 12:24:15 +02:00
Daniel Marjamäki
86a620a3b4
ValueFlow: Better handling of function return value when there are 0 parameters
2016-10-20 16:10:55 +02:00
Daniel Marjamäki
efa3aba32a
Remove Tokenizer::simplifyNull()
2016-10-18 21:44:02 +02:00
Daniel Marjamäki
fae4a4dacf
Fixed #7668 (ValueFlow: return value from abs)
2016-10-17 13:05:19 +02:00
Daniel Marjamäki
7fb812f415
Fixed #7752 (ValueFlow: no conditional value, probably because condition is in ternary operator and/or in function call.)
2016-10-16 07:15:28 +02:00
Daniel Marjamäki
ad74421526
Fixed #7756 (ValueFlow: fix bug in valueAfterAssign, same variable in lhs and rhs)
2016-10-15 19:09:50 +02:00
Boris Egorov
a32f61ae4a
Fixed #7139 (ValueFlow: Missed shift operation in for expression)
2016-10-04 13:09:33 +07:00
Daniel Marjamäki
254e5675ff
Fixed #7573 (Tokenizer: FP caused by constant folding)
2016-08-28 19:11:05 +02:00
PKEuS
e0838ff194
Fixed crash on garbage code ( #7699 )
2016-08-21 11:06:48 +02:00
Daniel Marjamäki
305609f4fb
Fixed #7688 (setTokenValue: crash when there is no 2nd operand for ternary operator)
2016-08-17 18:44:41 +02:00
Daniel Marjamäki
1f98af654a
ValueFlow: better handling of ? when condition result is known
2016-08-15 14:19:35 +02:00
Daniel Marjamäki
62362cd06d
ValueFlow: improve handling of unary minus
2016-08-14 22:19:06 +02:00
PKEuS
9a6569fde1
Always set ErrorMessage::file0 to ensure that the source file that cppcheck is checking when an error occurs can be identified
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Removed unused function and unused includes from preprocessor.h/cpp
2016-07-26 16:28:40 +02:00
Daniel Marjamäki
4f051bf9dd
Fixed #7599 (valueFlowAST: handle && and || better)
2016-07-17 21:51:20 +02:00
Robert Reif
eca805ba3b
ValueFlow: Fixed constant folding of sizeof(enum) and sizeof(enumerator) ( #7564 )
2016-07-08 20:39:34 +02:00
Robert Reif
66cacde3db
Fixed #7513 (value flow of array dimension with enum doesn't always work)
2016-05-26 11:25:50 +02:00
Daniel Marjamäki
636e97c272
ValueType: Improved debug output for nested types
2016-05-08 13:15:20 +02:00
Daniel Marjamäki
b94eaeca6a
ValueFlow: For convenience, return constant folded value
2016-05-08 11:17:10 +02:00
Daniel Marjamäki
b26dd1ccab
ValueFlow: Handle enums
2016-05-07 20:18:07 +02:00
PKEuS
23202d9442
Fixed bailoutFunctionPar() for temlate functions ( #7396 )
2016-05-04 11:38:29 +02:00
Dmitry-Me
12a5f2509b
These conditions are mutually exclusive
2016-03-03 18:01:15 +03:00
Dmitry-Me
3bcd0e0535
Reduce variable lifetime
2016-03-02 19:07:20 +03:00
Daniel Marjamäki
1ab5805d98
Fixed #6616 (valueFlowForward: for loop, variable in 3rd expression is changed in loop body)
2016-02-08 10:43:41 +01:00
Alexander Mai
cfe9c01bf8
#7257 segmentation fault in valueFlowSwitchVariable (invalid code). Correct SymbolDatabase::validateVariables() so it does not complain about function arguments for function without body
2016-02-03 21:52:02 +01:00
Daniel Marjamäki
d5884692df
Fixed #7363 (valueflowOppositeCondition - if (size1 > size2) ... else if (size1 < size2) ...)
2016-01-30 22:13:03 +01:00
Matthias Krüger
11be3a9265
fix internal warning: [lib/valueflow.cpp:722]: (warning) Found simple pattern inside Token::Match() call: "if ("
2016-01-30 20:34:33 +01:00
Daniel Marjamäki
30f2bb7796
ValueFlow: set known value for opposite condition in else if ( #5503 )
2016-01-30 20:03:55 +01:00
Daniel Marjamäki
b5986f6ad2
Fixed #7358 (valueflow: value is not known after conditional assignment)
2016-01-27 19:20:00 +01:00
Daniel Marjamäki
462b98afbc
Fixed #7310 (ValueFlow: Value of NULL in function call)
2016-01-26 16:53:01 +01:00
Daniel Marjamäki
5c9be4a0df
Fixed #7216 (ValueFlow: known value in condition)
2016-01-26 16:10:15 +01:00
Daniel Marjamäki
a391bca060
Fixed #7350 (ValueFlow: Result of 'x & 0' is always 0)
2016-01-26 10:07:42 +01:00
Daniel Marjamäki
a8416bfb16
Fixed #6000 (ValueFlow: conditional code in for loops)
2016-01-24 13:11:51 +01:00
Daniel Marjamäki
76cdfbf487
Fixed #6330 (valueflow: condition is always false first iteration in dowhile loop)
2016-01-24 08:57:57 +01:00
Daniel Marjamäki
522de81cc7
Refactoring: Move isReturn() to astutils and rename it to isReturnScope()
2016-01-16 18:52:34 +01:00
Lauri Nurmi
996c9244d8
Update copyright year to 2007-2016.
2016-01-01 15:34:45 +02:00
Alexander Mai
e9635fd393
#7236 segmentation fault (invalid code) in ValueFlow::setValues. #7237 segmentation fault (invalid code) in Tokenizer::setVarIdClassDeclaration
2015-12-26 23:51:10 +01:00
Daniel Marjamäki
9cb8e9a07e
Revert "Fixed #3923 (valueFlowForward: assignment in if should not cause bailout for code in else)"
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This reverts commit 04f9b71281
.
2015-12-12 16:50:02 +01:00
Daniel Marjamäki
04f9b71281
Fixed #3923 (valueFlowForward: assignment in if should not cause bailout for code in else)
2015-12-12 15:50:33 +01:00
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
508b06abaa
Fixed #6973 (ValueFlow: dont set possible tokvalues in unreachable code)
2015-12-01 07:49:19 +01:00
Daniel Marjamäki
8fb6f33aca
ValueFlow: dont set dynamic values in unreachable code ( #6973 )
2015-11-30 16:15:58 +01:00
Alexander Mai
c70b71e353
#5888 fsanitize=undefined: signed integer overflow: 4611686018427387904 * 2 cannot be represented in type 'long long int' in valueflow.cpp
2015-11-27 21:45:08 +01:00
Daniel Marjamäki
0022ce8075
Refactor handling of char constants
2015-11-20 10:10:38 +01:00
Daniel Marjamäki
0f9d90d2be
Changed Copyrights. Removed my name.
2015-11-18 20:04:50 +01:00
Daniel Marjamäki
04ecbba361
Fixed #7135 (ValueFlow: Wrong pointer alias set for 'p = &p[x];')
2015-11-15 23:38:23 +01:00
Daniel Marjamäki
595f1e1a27
ValueFlow: set value for char literals
2015-11-12 16:38:58 +01:00
Daniel Marjamäki
34dbc3c00c
ValueFlow: Improved handling of a[i]
2015-11-12 16:14:27 +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
PKEuS
389d30fe44
Fixed crash on garbage code ( #7118 )
2015-11-09 11:21:07 +01:00
Daniel Marjamäki
37dbebb093
Fixed #7049 (valueflow: value is not known after case)
2015-11-08 14:08:47 +01:00
Daniel Marjamäki
f7a7a8a95c
Fixed #6934 (False positive returnLocalVariable - assigning local array to function argument)
2015-11-07 15:07:26 +01:00
Aleksandr Pikalev
2d0ecc08c1
Check pointers for NULL before utilizing and do not check it later
2015-11-06 20:24:09 +01:00
Daniel Marjamäki
4b0625c570
Fixed #6239 (Possible null pointer dereference after pointer is modified by a function template)
2015-10-27 12:33:46 +01:00
Daniel Marjamäki
6b9088de3f
Fixed #7057 (valueFlowAfterAssign doesn't terminate)
2015-10-19 19:36:46 +02:00
Alexander Mai
8e3e981323
#7050 segmentation fault (invalid code) in isVariableChanged
2015-10-15 21:27:55 +02:00
Daniel Marjamäki
60f8982999
Fixed #7039 (ValueFlow: bitand calculation '16&15')
2015-10-14 10:44:04 +02:00
Frank Zingsheim
3bc21b8138
Fixed #6996 (ValueFlow: known and possible values)
2015-10-04 10:33:43 +02:00
Daniel Marjamäki
bd243a4748
Fixed #6903 (ValueFlow: Fix FP in ?:)
2015-09-27 13:29:28 +02:00
Dmitry-Me
85d47e25e4
Move variable declaration to where it's first used
2015-09-16 13:15:07 +03:00
Daniel Marjamäki
8cee96a179
ValueFlow: Refactor 'ProgramMemory' so it can handle token * values also and not just int values. I believe this refactoring is needed before #6973 can be fixed.
2015-09-12 19:49:02 +02:00
Dmitry-Me
70d98c7176
Get rid of set object
2015-09-10 17:59:20 +03:00
amai2012
45bb7d5adb
Merge pull request #647 from Dmitry-Me/continueOnRuleMatch
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Treat matches as mutually exclusive
2015-08-28 16:00:53 +02:00
Dmitry-Me
962f0ee584
Treat matches as mutually exclusive
2015-08-28 15:27:56 +03:00
Dmitry-Me
81613d958a
Replace match call with explicit comparison
2015-08-28 15:16:10 +03:00
PKEuS
4d80df2f4a
Added pointer to Type to Token (similar to Token::Variable() and Token::function()):
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- Accessible via Token::type()
- Renamed former Token::type() to Token::tokType()
- Removed SymbolDatabase::isClassOrStruct()
2015-08-15 11:19:21 +02:00
Dmitry-Me
f0aa9e31de
Cache and reuse value
2015-08-12 10:57:36 +03:00
Dmitry-Me
50fb9cea66
Reduce variables scope
2015-08-11 17:20:30 +03:00
Daniel Marjamäki
2e78d21480
Fixed #6730 (ValueFlow: inner scope does not return (continue,throw))
2015-08-11 11:21:03 +02:00
Daniel Marjamäki
07a064aab0
Fixed #6910 (ValueFlow: variable incremented as macro argument is not known)
2015-08-05 14:08:57 +02:00
Daniel Marjamäki
8d3f7e36e9
Fixed #6911 (valueflow: comparison of string and NULL)
2015-08-02 18:12:03 +02:00
Daniel Marjamäki
6790d91fbb
Improve error messages for conditional values. make valueFlowSwitchVariable values conditional that depend on the case. Partial fix for #6884 .
2015-07-29 19:54:57 +02:00
Daniel Marjamäki
fc25ed8c86
Fixed #6879 (valueflow in do-while(++i))
2015-07-29 11:55:07 +02:00
Daniel Marjamäki
bf75ee9aed
Fixed #6885 (valueflow ignores assignment of variable via function call)
2015-07-29 10:49:17 +02:00
Daniel Marjamäki
a1dfd6cf73
astyle formatting
2015-07-28 12:47:08 +02:00