Commit Graph

567 Commits

Author SHA1 Message Date
chrchr-github 0b44429a7c
Fix spurious lambda detection (#5101) 2023-05-31 20:55:39 +02:00
chrchr-github 78182d4773
Fix FN constVariablePointer (#5076)
* Fix FN constVariablePointer

* Fix FP

* Add const

* Fix tests

* Add const
2023-05-22 19:53:51 +02:00
Oliver Stöneberg 5be8eee943
iwyu.yml: use a distro which has the latest `include-what-you-use` / enabled Qt mappings / cleaned up includes (#4885) 2023-04-08 16:08:47 +02:00
chrchr-github ab24e3a3c8
Fix remaining example from #11599, FN #11646, fix crash (#4929)
* Fix remainig example from #11599

* Fix FP, new warnings

* More warnings

* Use getTokenArgumentFunction()

* Fix crash

* Fix #11646 constParameter not reported with "const * const" parameter

* Fix test

* Fix new warnings

* Add suppression

* Add const, fix suppression
2023-04-06 18:46:45 +02:00
chrchr-github a336048d14
Fix #11599 false negative: constParameter (#4902)
* Partial fix for #11599 false negative: constParameter

* Adjust test

* Update testother.cpp

* Update testother.cpp

* Fix #11599 false negative: constParameter

* Fix new warnings

* Format

* Add difference_type

* Remove isAliased()

* Undo

* Adjust test

* Add test

* Improve const check

* Tweak constness, add tests

* Add tests

* Use new helper function, fixtest

* Remove bailout, fix check for cast

* Prevent FP

* Fix constVariable check, add tests

* Format

* Format

* Add test for #11632
2023-04-02 20:36:23 +02:00
chrchr-github 01a22159b8
Fix autoNoType with std::begin() / function returning smart ptr (#4919)
* Fix autoNoType with std::begin()

* Suppress warning for const lambda

* Fix autoNoType with function returning smart ptr

* Handle more complex expression

* Fix scope with auto and smart ptr

* Handle smart pointers and iterators first
2023-04-01 09:38:40 +02:00
Paul Fultz II 7231d1cece
Update the isVariableChanged to correctly check the const bit (#4912) 2023-03-26 15:12:49 +02:00
Paul Fultz II d4b030694b
Move some checks for variable changed from constVariable check to isVariableChanged (#4905) 2023-03-21 18:16:40 +01:00
chrchr-github 0d02c0a1a7
Fix #11624 FP uninitvar with array passed to function (#4903) 2023-03-20 19:54:31 +01:00
chrchr-github 19eef2c584
Partial fix for #11599 false negative: constParameter (#4901) 2023-03-19 17:43:23 +01:00
chrchr-github 3ccd0505cd
Enable and mitigate readability-simplify-boolean-expr (#4897) 2023-03-17 13:51:55 +01:00
Paul Fultz II 61e8b84578
Fix 11610: false negative: knownConditionTrueFalse with address of variable (#4883) 2023-03-12 19:57:11 +01:00
Mateusz Michalak 2d5cabed4b
Add std::*begin and std::*end cfg (#4796) 2023-03-09 17:06:53 +01:00
Paul Fultz II 9351eddbca
Fix 11605: FN useStlAlgo with multiple conditions (#4873) 2023-03-09 17:06:27 +01:00
chrchr-github f2238e717b
Fix crash in isTemporary() (#4866) 2023-03-07 12:44:54 +01:00
Oliver Stöneberg 20db3ff368
SymbolDatabase: made `mTokenizer` and `mSettings` references (#4857) 2023-03-07 12:22:06 +01:00
Oliver Stöneberg b70e1d5461
avoid some unchecked pointer dereferences (#4811) 2023-03-02 22:05:41 +01:00
chrchr-github 491299048b
Amend fix for #11449 Function call not recognized (#4838) 2023-03-02 21:45:15 +01:00
Paul Fultz II 346ecdb53a
Improve valueflow after pushing to container (#4803) 2023-02-23 18:05:31 +01:00
Oliver Stöneberg f7a415dbf3
Token: do not return non-`const` pointer from `const` methods - part 1 (#4761) 2023-02-08 21:07:16 +01:00
Oliver Stöneberg afd13ea11d
ValueFlow: some interface and namespace cleanups (#4746) 2023-01-28 10:20:47 +01:00
Daniel Marjamäki 464fbe8d53 Update copyright year 2023-01-28 10:16:34 +01:00
Oliver Stöneberg bea6aec2b2
extracted `ValueFlow::Value` to `vfvalue.{cpp|h}` (#4642) 2023-01-26 22:23:22 +01:00
chrchr-github 3076f9def1
Fix #11449 Function call not recognized with extra parentheses / FP nullPointer (#4703) 2023-01-18 20:38:37 +01:00
chrchr-github dee2ad8756
Fix #10337 FP selfAssignment (#4682) 2023-01-18 16:59:56 +01:00
chrchr-github a2fea3d9b4
Fix #11083 FP knownConditionTrueFalse with reassigned pointer (#4717) 2023-01-18 16:57:22 +01:00
chrchr-github 2007cd0a1d
Fix #11465 FP returnDanglingLifetime/returnTempreference with typeid (#4675) 2023-01-02 17:46:03 +01:00
Oliver Stöneberg 1cfe49e340
use `const_iterator` where possible (#4662) 2022-12-30 15:13:47 +01:00
Paul Fultz II f8132ea022
Fix 11381: FP derefInvalidIteratorRedundantCheck when updating iterator using std::tie (#4659) 2022-12-20 20:29:19 +01:00
Paul Fultz II da32c5aecd
Fix 11442: new "Reference to temporary returned." FPs (#4657) 2022-12-19 22:28:59 +01:00
Paul Fultz II 9da574f4a0
Fix 11227: ValueFlow: Known value not set in condition for ternary operator (#4653)
* Evaluate args before function call

* Fix tests

* Format

* Add test for 11227

* Format

* Fix known condition
2022-12-18 22:07:43 +01:00
chrchr-github b1abaf8809
Fix FP useStlAlgorithm (don't suggest std::accumulate when nothing is accumulated) (#4647) 2022-12-18 16:52:04 +01:00
Paul Fultz II 9c55b933c1
Partial fix for 11303: False negative: knownConditionTrueFalse using container .back() (#4633)
* Partial fix for 11303: False negative: knownConditionTrueFalse using container .back()

* Format

* Fix error message
2022-12-15 18:35:19 +01:00
Paul Fultz II 90898945c1
Fix 10532: False negative: dangling string_view when using ternary operator (#4638)
* Fix 10532: False negative: dangling string_view when using ternary operator

* Format

* Update
2022-12-15 18:34:43 +01:00
chrchr-github 553b579f8d
Fix #11434 FP knownConditionTrueFalse with loop over bool array (#4646)
* Fix #11434 FP knownConditionTrueFalse with loop over bool array

* Simplify
2022-12-15 14:31:02 +01:00
Oliver Stöneberg 29e0133cb5
extracted `FwdAnalysis` from `astutils.{cpp|h}` (#4637)
* added missing filtering offiles in Visual Studio project

* extracted `FwdAnalysis` from `astutils.{cpp|h}`
2022-12-13 22:29:23 +01:00
chrchr-github 04b7c0c200
Fix #11404 FP knownConditionTrueFalse with iterator (#4619)
* Fix wrong value set in valueFlowSameExpressions()

* Fix  #11404 FP knownConditionTrueFalse with iterator
2022-12-08 10:40:55 +01:00
chrchr-github 8713dabe58
Get type from iterator (#4613) 2022-12-07 09:38:36 +01:00
chrchr-github 89dba226dd
Fix #11305 FP uninitvar with unseen typedef (#4612) 2022-12-07 09:14:22 +01:00
chrchr-github 4cb49013a7
Fix #11374 FP danglingTemporaryLifetime with std::string_view (#4602) 2022-11-27 09:22:55 +01:00
Oliver Stöneberg 7ead32f96e
various optimizations (#4535)
* avoid potentially duplicated `strTolower()` call in `Path::getFilenameExtensionInLowerCase()`

* avoid unnecessary copies

* use `unordered_*` containers for faster lookups

* symboldatabase.cpp: do not perform call in `checkReturns()` until needed

* astutils.cpp: do not perform calls in `isVariableChangedByFunctionCall()` until necessary

* tokenize.cpp: small `hasIfDef()` optimization

* use `unordered_map` for `CheckUnusedFunctions::FunctionUsage::mFunctions` / adjusted test case
2022-10-06 20:12:07 +02:00
Oliver Stöneberg cff1cd9cda
applied clang-tidy `misc-const-correctness` fixes for POD types, iterators and references (#4529)
* applied `misc-const-correctness` fixes for POD types and iterators

* applied `misc-const-correctness` fixes for references
2022-10-02 07:12:40 +02:00
Oliver Stöneberg 0481edf9c3
return `SmallVector` from `followAllReferences()` (#3925) 2022-09-29 21:41:32 +02:00
Oliver Stöneberg 339484d2a1
mitigated and enabled more clang-tidy warnings (#4470)
* fixed some `performance-inefficient-string-concatenation` clang-tidy warnings

* fixed and enabled `modernize-replace-random-shuffle` clang-tidy warning

* fixed and enabled `bugprone-suspicious-string-compare` clang-tidy warning

* mitigated and enabled `readability-non-const-parameter` clang-tidy warnings

* clang-tidy.md: documented some disabled checks

* mitigated and enabled `performance-unnecessary-value-param` clang-tidy warnings
2022-09-16 18:58:59 +02:00
Oliver Stöneberg b3ec225480
iwyu.yml: use `debian:unstable` to always get latest include-what-you-use / cleaned up includes (#4466)
* iwyu.yml: use debian:unstable to always get latest include-what-you-use

* cleaned up includes based on include-what-you-use

* mitigated include-what-you-use false positives
2022-09-16 07:15:49 +02:00
Paul Fultz II 43caa32abf
Fix 9755: false negative: access of moved variable in conditional code (#4459)
* Fix 9755: false negative: access of moved variable in conditional code

* Format
2022-09-11 12:32:01 +02:00
Paul Fultz II 117a753b10
Partial fix 11154: FN: knownConditionTrueFalse (#4453)
* Partial fix 11154: FN: knownConditionTrueFalse

* Formay

* Add more tests

* FOrmat

* Fix FP

* Add test

* Check for side effects

* Format

* Update tests

* Format
2022-09-08 22:08:38 +02:00
Oliver Stöneberg d46ea7ba86
avoid unnecessary copies with `push_back()` and `push_front()` (#4451) 2022-09-08 09:21:35 +02:00
Oliver Stöneberg 436b8bd3f1
optimized `isSameConstantValue()` a bit (#4441) 2022-09-05 21:36:26 +02:00
Paul Fultz II 6ce5c24f21
Refactor knownConditionTrueFalse check and isUsedAsBool function (#4432)
* Refactor knownConditionTrueFalse check and isUsedAsBool function

* Format1

* Format

* Skip assign
2022-09-04 10:24:45 +02:00
Maksim Derbasov f93b588603
New check: use memcpy/memset instead of loop (#4257) 2022-09-03 23:29:06 +02:00
Oliver Stöneberg 9b4973d711
astutils.cpp: some small optimizations (#4378) 2022-08-21 17:39:21 +02:00
Daniel Marjamäki c820d2ba97 refactoring 2022-08-21 17:33:43 +02:00
PKEuS d81a758850
LCppC backports: Refactorizations/Optimizations (#4204) 2022-08-21 17:21:02 +02:00
chrchr-github b04bf7396f
Fix #7515 New check: Not needed c_str() operation (#4371) 2022-08-20 20:52:10 +02:00
Oliver Stöneberg d73a33d17e
avoid redundant `Token::declEndToken()` calls (#4363) 2022-08-20 20:50:14 +02:00
Oliver Stöneberg 0f0c4061ff
astutils.cpp: avoid redundant callback invocation in `isExpressionChangedAt()` (#4369) 2022-08-17 13:50:39 +02:00
Oliver Stöneberg f7caf7dc93
avoid some unnecessary `std::string()` construction in comparisons (#4357)
* avoid unnecessary string wrapping

* consistently use `strcmp()`
2022-08-14 12:44:09 +02:00
chrchr-github bdbd84ba98
#11238: Fix regression (#4349)
* Fix #11238 FP knownConditionTrueFalse with constexpr?

* Modify isConstVarExpression()

* Use predicate

* Format

* #11238: Fix regression
2022-08-09 13:13:16 +02:00
chrchr-github 078a6d7804
Fix #11238 FP knownConditionTrueFalse with constexpr? (#4341) 2022-08-07 19:06:19 +02:00
chrchr-github 92d569afb6
#11233 FP: knownConditionTrueFalse (wrong message text) (#4330)
* #11233 FP: knownConditionTrueFalse (wrong message text)

* Format

* Update testcondition.cpp

* Trigger CI
2022-08-02 18:18:46 +02:00
chrchr-github 479533a80a
Rework fix for #11008 (#4296) 2022-07-24 12:15:04 +02:00
chrchr-github c736fe8787
Fix #11008 FP doubleFree with pointer in struct (#4294) 2022-07-19 20:41:08 +02:00
chrchr-github f5c4a21eae
Fix #10704 FN redundantCopyLocalConst (#4115) 2022-07-10 11:33:24 +02:00
Paul Fultz II a2f2699088
Refactor alias check in isExpressionChangeAt into isAlias function (#4223) 2022-06-28 22:40:59 +02:00
Paul Fultz II e735376f7d
Refactor to use AST for isContainerSizeChanged (#4222) 2022-06-19 08:17:05 +02:00
Paul Fultz II de51ebbcf4
Fix 9135: Access of moved variable not detected in loop (#4215)
* Fix 9135: Access of moved variable not detected in loop

* Format

* Fix issue with pushing back on container

* Format

* Fix null pointer

* Remove yeild for now
2022-06-16 17:40:09 +02:00
chrchr-github 51c8630bb3
Fix #10618 FP knownConditionTrueFalse with virtual function (#4194)
* Fix #10618 FP knownConditionTrueFalse with virtual function

* Remove redundant check
2022-06-10 20:17:57 +02:00
PKEuS 1275b5275e
LCppC backport: Various optimizations (#4182)
* Optimization: Use Token::eIncDecOp instead of expensive Token::Match calls

Merged from LCppC.

* Small Optimizations: - Moved a std::set that is only need during initialization of SymbolDatabase to function scope - Use std::vector instead of std::list

Merged from LCppC.

* Optimization: Refactorized various Token::Match calls and surrounding conditions

Merged from LCppC.

* Refactorization: Cleanup usage of std::multimap

Merged from LCppC.
2022-06-08 16:58:57 +02:00
chrchr-github e6f2929fac
Fix #11085 FN constVariable with range-based for (#4118) 2022-06-03 19:24:59 +02:00
orbitcowboy 9b0f41e1a0 Revert change 3dfe9eff3e (commitcomment-75236431). 2022-06-03 10:22:29 +02:00
orbitcowboy c24edc528e astutils.cpp: Removed useless parentheses 2022-06-03 00:18:35 +02:00
orbitcowboy 3dfe9eff3e astutils.cpp: Improved const correctness 2022-06-03 00:07:15 +02:00
Oliver Stöneberg 3d5d2e8fd8
inlined `findAstNode()` calls (#4146) 2022-05-31 13:37:21 +02:00
chrchr-github 7fbb9c7c13
Fix #10980 FN constVariable with range-based for loop (#4144)
* Fix #10980 FN constVariable with range-based for loop

* Format

* nullptr check

* Restrict scopes

* Add const

* Undo

* Add more const
2022-05-29 17:06:33 +02:00
Paul Fultz II feaef46436
Fix 11076: Assert failure / crash with loop over init list (#4119) 2022-05-21 08:25:09 +02:00
Paul Fultz II fbba72ab5a
Fix 11057: FP danglingTemporaryLifetime with reference member (#4103)
* Fix 11057: FP danglingTemporaryLifetime with reference member

* Add test

* Format

* Use ast for number of arguments

* Get number of arguments using ast

* Skip aggregate constructor when there are too many arguments

* Format
2022-05-13 06:51:07 +02:00
Paul Fultz II 5d8da2b83c
Fix 11035: FP arrayIndexOutOfBoundsCond with array and vector (#4105)
* Fix 11035: FP arrayIndexOutOfBoundsCond with array and vector

* Format

* Move comment
2022-05-12 06:21:33 +02:00
chrchr-github 63a1698335
Fix #11059 FP multiCondition when variable is assigned in if/else (#4102) 2022-05-11 20:01:13 +02:00
Paul Fultz II 69f09da63e
Fix 11044: FP knownConditionTrueFalse after early return (#4091)
* Fix 11044: FP knownConditionTrueFalse after early return

* Format
2022-05-09 20:26:52 +02:00
chrchr-github adba751217
Fix #11018 FP uninitvar with redundant pointer op (#4082)
* Skip redundant pointer op

* Fix  #11018 FP uninitvar with redundant pointer op

* Format
2022-05-05 06:54:27 +02:00
chrchr-github e2069dd1b9
Fix #10650 FN knownConditionTrueFalse with const int value (#4078) 2022-05-04 14:25:00 +02:00
chrchr-github 509e42afd4
Fix #11034 FN duplicateCondition with struct member (#4074)
* Fix #11034 FN duplicateCondition with struct member

* Update testcondition.cpp
2022-05-03 19:57:30 +02:00
Paul Fultz II aafd1e10be
Fix 11006: FP uninitvar with unknown constant (#4056) 2022-04-28 10:48:37 +02:00
Paul Fultz II d97942d3c6
Fix 6577: Detect pointer to uninitialised memory with clock_settime() (#3993)
* Fix 6577: Detect pointer to uninitialised memory with clock_settime()

* Format
2022-04-11 07:23:44 +02:00
chrchr-github 52b4aeb279
Fix #10792 FP knownConditionTrueFalse with double to int cast (#3964) 2022-04-07 10:42:57 +02:00
Paul Fultz II 1d92665ad2
Fix 10867: false negative: containerOutOfBounds with std::array (regression) (#3976)
* Fix 10867: false negative: containerOutOfBounds with std::array (regression)

* Format
2022-04-06 06:25:28 +02:00
chrchr-github 4c375e7224
Fix #9815 FP redundantInitialization with lambda / #10864 debug: valueFlowConditionExpressions bailout (#3970)
* Fix #9815 FP redundantInitialization with lambda

* Fix #10864 debug: valueFlowConditionExpressions bailout

* Format
2022-04-05 23:19:17 +02:00
chrchr-github 63d96e49fc
Fix #10928, #10930 FP constStatement (#3946)
* Fix #10928, #10930 FP constStatement

* Fix test cases (first one did not compile)
2022-03-27 07:59:29 +02:00
chrchr-github e54ad24d2c
Fix #10870 FN constStatement with arrays (#3904) 2022-03-25 11:32:16 +01:00
chrchr-github 39567ea8c8
Fix #8541 FP variableScope (std::for_each with lambda) (#3924) 2022-03-22 21:50:46 +01:00
Paul Fultz II 0b310b9d07
Fix 10702: FP knownConditionTrueFalse - Member variable modified (#3857)
* Fix 10702: FP knownConditionTrueFalse - Member variable modified

* Format

* Make parameter const

* Fix FP

* Fix FP

* Update

* Format
2022-02-28 18:54:55 +01:00
Paul Fultz II 45de9a7d08
Refactor: Use getEndOfExprScope instead of getEndOfVarScope (#3855) 2022-02-24 06:50:34 +01:00
Oliver Stöneberg 75b6e8d258
inline visitAstNodes() calls (#3828) 2022-02-13 20:46:01 +01:00
chrchr-github 0a99e3b6fc
Partial fix for #9407 FN redundant assignment/unreadVariable (#3651) 2022-02-12 15:32:08 +01:00
Oliver Stöneberg 6e57cc4323
small utils.h cleanup (#3821) 2022-02-11 19:44:08 +01:00
Paul Fultz II 260d155bb6
Fix 10785: False positive: constParameter when using member pointer (#3807) 2022-02-07 18:45:32 +01:00
Daniel Marjamäki 3989408738 Update copyright year 2022-02-05 11:45:17 +01:00
chrchr-github a20465eaea
Fix #10484 FP knownConditionTrueFalse with static variable and direct initialization / partial fix for #10248 (#3728) 2022-02-02 22:30:49 +01:00
Oliver Stöneberg 171da2e6f9
avoid dependency on transitive includes - based on include-what-you-use (#3757) 2022-01-27 19:03:20 +01:00