Daniel Marjamäki
4cef2e94e7
Fixed #8368 (FP redundantAssignment - assignment has unknown side-effects)
2018-11-10 18:42:13 +01:00
orbitcowboy
1d5e797e6d
testother: Fixed typos in tests. Replaced 'voif' with 'void'.
2018-11-04 14:46:22 +01:00
Paul Fultz II
2989c44f59
Enable checking duplicate expressions across associative operators ( #1445 )
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* Enable checking duplicate expressions across associative operators
* Remove bitshift operators and check for streamRead
2018-10-21 07:09:20 +02:00
Daniel Marjamäki
29feaa5a51
Tokenizer: Avoid constant folding
2018-10-20 10:51:50 +02:00
Paul Fultz II
16c62281d0
Use followVar in checking duplicateBranch ( #1423 )
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* Use isSameExpression for duplicate branches
* Add errorPath
* Add another test
2018-10-18 11:56:23 +02:00
Paul Fultz II
58d1de5814
Expand the duplicate variable assignment warnings when the inconclusive flag is used ( #1433 )
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* Warn for more duplicate var expressions when inconclusive is set
* Fix issue with missing function name
2018-10-17 06:57:33 +02:00
Daniel Marjamäki
1245a036f7
Add check for shadow variables
2018-10-16 20:17:27 +02:00
rikardfalkeborn
75caf8e4de
Fix #8230 : FP unknown evaluation order on comma expression in while clause ( #1415 )
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The while part of a do-while loop looks almost like a function call, so
extend the check for function calls to ignore while-statements.
Note that there was only an FP when checking c-code, since the check is
disabled for c++-code. Therefore, make sure the test cases are run on a
c-file.
2018-10-09 14:44:01 +02:00
Daniel Marjamäki
aa58f41e6d
Fixed #7152 (False positive for redundantAssignment after calling a lambda function)
2018-10-08 21:07:21 +02:00
Paul Fultz II
e170a45230
Enable followVar for opposite expressions ( #1404 )
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Enable followVar for opposite expressions
2018-10-04 21:17:47 +02:00
Paul Fultz II
4598995564
Enable followVar for duplicate ternary expressions ( #1406 )
2018-10-01 14:31:06 +02:00
Paul Fultz II
f65cf220ba
Fix false positives in unknownEvaluationOrder when using followVar ( #1391 )
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Fix false positives in unknownEvaluationOrder when using followVar
2018-09-28 08:38:24 +02:00
Paul Fultz II
5bebeec224
Fix issue 8775: Dont follow aliased variables ( #1390 )
2018-09-24 06:37:47 +02:00
Daniel Marjamäki
afe09f4d7a
Temporarily comment out the followVariable() handling
2018-09-23 16:03:18 +02:00
Paul Fultz II
90a29d986b
Fix issue 8730: Dont follow variables with unknown symbols ( #1374 )
2018-09-12 17:30:18 +02:00
Paul Fultz II
f4f3f81e8f
Fix issue 8741: Require pure when following variables in isSameExpression ( #1373 )
2018-09-09 07:08:32 +02:00
Paul Fultz II
5a2362b2a0
Fix issue 8738: Dont warn about multiconditions when value is known ( #1369 )
2018-09-07 15:02:34 +02:00
Paul Fultz II
2da958efb5
Fix issue 8722: Avoid duplicate messages due for followVar ( #1367 )
2018-09-06 06:55:36 +02:00
Paul Fultz II
b46e25c18e
Fix issue 8730: False positive: Opposite expression on both sides of && ( #1366 )
2018-09-05 18:07:01 +02:00
Paul Fultz II
08f301a0de
Reenable followVar ( #1363 )
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Reenable followVar
2018-09-05 05:53:33 +02:00
Paul Fultz II
93be440f92
Fix issue 8709: crash with switch statement with followVar ( #1362 )
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* Fix crash with switch statement
* Update comment
2018-09-03 19:54:14 +02:00
Paul Fultz II
0e5fabf4dc
Dont follow volatile variables ( #1365 )
2018-09-03 19:51:48 +02:00
Paul Fultz II
8353f94b93
Fix crashes in followVarExpression ( #1358 )
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* Fix crashes in followVarExpression
* Add a regression test for issue 8717
* Skip reference declarations
2018-09-02 08:28:53 +02:00
Daniel Marjamäki
a331206b44
Temporarily disable followVariableExpressions(), there are problems that should be fixed.
2018-09-01 08:32:06 +02:00
Daniel Marjamäki
7591616f43
Fixed #8710 (Update message duplicateExpression when operand is integer literal)
2018-08-30 18:28:34 +02:00
Paul Fultz II
a5f4c5d0eb
Improve message for same expressions ( #1349 )
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* Improve message for same expressions
* Update message
2018-08-25 14:25:31 +02:00
Paul Fultz II
c5154286da
Fix issue 8687: false positive with same expression ( #1336 )
2018-08-13 12:55:41 +02:00
Paul Fultz II
80290a15e0
Fix FP with duplicate assign ( #1330 )
2018-08-08 08:31:31 +02:00
Daniel Marjamäki
c3a44ce56b
astyle formatting
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[ci skip]
2018-08-07 18:06:51 +02:00
Paul Fultz II
f603b529df
Fix issue 8413: Condition is always false 'i=expr; if (i != expr) {}' ( #1295 )
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* 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
.
* Check if the tokens are the same
* Report the operator and not the expressions
2018-08-07 09:32:16 +02:00
Daniel Marjamäki
0e491b41a8
Clarify warning message for 'Same expression on both sides of operator'
2018-08-05 10:48:02 +02:00
Daniel Marjamäki
f9a5a114bb
astyle formatting
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[ci skip]
2018-07-25 07:44:06 +02:00
lordylike
12e58c8521
fix ticket 8570: passedByValue with member initializer list and std::move ( #1316 )
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* fix ticket 8570
allow member initializer list variables that are moved to be non-const
* review feedback
* replace tabs with spaces in test code
2018-07-22 15:01:18 +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
Daniel Marjamäki
03faa25d12
Conditions: Better handling of function calls
2018-07-08 15:58:04 +02:00
Daniel Marjamäki
24dd4c9c26
Restore code in checkVariableScope. Fixes false negative
2018-07-01 22:31:45 +02:00
Daniel Marjamäki
655a8b21b6
Fix false positive 'passedByValue' when address of argument is used
2018-06-23 23:25:06 +02:00
Daniel Marjamäki
d0614b9b36
varScope: Fix false negatives for references
2018-06-22 22:51:03 +02:00
Daniel Marjamäki
593f7eee38
Fixed #8624 (Crash below CheckOther::checkDuplicateExpression)
2018-06-14 22:39:26 +02:00
Paul Fultz II
daacf27c2e
Fix false positive from issue 8612 ( #1285 )
2018-06-10 00:05:23 +02:00
Paul Fultz II
8d53bcfd63
Fix FP when using non-const members and also check return type of function ( #1283 )
2018-06-09 08:05:19 +02:00
Daniel Marjamäki
84f0a18053
passedByReference: avoid false positives for std::pair
2018-06-08 10:19:02 +02:00
Daniel Marjamäki
44c78d1770
passedByReference: avoid false positives for std::function
2018-06-08 08:40:14 +02:00
Daniel Marjamäki
de09c117bf
Fixed #8618 (False positive: shared_ptr is passed by reference by intention)
2018-06-07 22:39:21 +02:00
IOBYTE
ce50df8047
Fix override warnings. ( #1234 )
2018-05-15 16:37:40 +02:00
Paul Fultz II
7ef714b0c6
Fix FP with duplicate assignments by checking if the expression is unique ( #1223 )
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* Fix FP with duplicate assignments by checking if the expression is unique
* Use array of pointers
* Reorder scope condition
2018-05-13 20:20:55 +02:00
Paul Fultz II
f5dbfce8ff
Fix false positive with oppositeExpression when using binary op ( #1211 )
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* Fix false positive with oppositeExpression when using binary op
* Simplify conditional
2018-05-08 20:43:57 +02:00
Paul Fultz II
cac68c6b81
Fix FP when using - as a binary operator ( #1201 )
2018-05-04 07:58:30 +02:00
Paul Fultz II
f191a3e753
Improve checking of opposite expressions ( #1199 )
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* Improve checking of opposite expressions
* Fix some formatting
2018-05-02 06:32:33 +02:00
Daniel Marjamäki
e1db4c0e2c
astyle formatting
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[ci skip]
2018-04-21 13:28:31 +02:00
Paul Fultz II
d939c6015a
Report opposite expressions ( #1182 )
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* Report opposite expressions
* Skip assignment operator
2018-04-21 11:28:21 +02:00
Daniel Marjamäki
d5fb529d4f
Fixed #8492 (Improve message: parameter should be passed by reference)
2018-04-20 17:33:42 +02:00
PKEuS
bbfcccf078
Refactorization: Replace several push_back-sequences by initializer lists
2018-04-09 09:41:24 +02:00
Paul Fultz II
95fc84a26b
Find duplicate expressions assigned to the same variable ( #1129 )
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* Check for duplicate assignments
* Improve checking of expression
* Add more tests
* Use simple match
* Improve robustness of check
* check for null
* Reduce side effects by checking for side effects
* Improve verbose message
* Reword the error message
2018-04-08 14:43:19 +02:00
amai
b133d50ebe
#6426 Regression now has platform dependent results
2018-04-04 16:07:07 +02:00
amai
7581231d9d
#6426 FP duplicateExpressionTernary - (expr) ? ~0u : ~0ul. Add regression test
2018-04-04 14:31:48 +02:00
Daniel Marjamäki
7efc4dd26e
astyle formatting
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[ci skip]
2018-04-04 10:04:40 +02:00
Paul Fultz II
bce5fe5cef
Improve duplicate expressions in the ternary op by checking for equal values as well ( #1134 )
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* Improve duplicate expressions in the ternary op by checking for equal values as well
* Use value instead of expression
2018-04-03 21:43:55 +02:00
Daniel Marjamäki
c4caee6b18
Updated copyright year
2018-01-14 15:37:52 +01:00
Daniel Marjamäki
bbeff99cc3
Fixed #6930 (Token: need function that says if the token comes from instantiated template argument)
2018-01-11 09:41:22 +01:00
Matthias Krüger
eb58df236e
CheckOther::accessMovedError() / accessMoved, accessForwarded warnings: put variable name into single quotes.
2018-01-07 10:57:19 +01:00
Andreas Pokorny
b802b98136
Do not warn when unique pointers are passed by value
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A unique pointer should only be passed by value or by const reference.
Passing by value means transferring ownership it makes no sense to have a pass by value Warning for unique_ptr
Signed-off-by: Andreas Pokorny <andreas.pokorny@siemens.com>
2017-07-25 11:17:56 +02:00
Daniel Marjamäki
0967700f4b
Refactoring tests
2017-06-06 08:59:18 +02:00
Stas Cymbalov
ff38cc5c13
Set struct size cutoff in passedByValue check to 2*sizeof_pointer
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Struct arguments are either pushed to the stack or passed in the
registers. Since both methods operate on machine words it is logical to
tie the maximum size of a struct argument that doesn't trigger
passedByValue diagnostic to the size of the machine word.
Also guessed size of STL classes is set to 3*sizeof_pointer, this better
represents reality and ensures that structs containing them will still
trigger passedByValue.
2017-06-06 08:48:11 +02:00
Ayaz Salikhov
28aa939d69
iwyu - include what you use
2017-05-27 04:33:47 +02:00
uburuntu
3817384223
FIX: test: parameter 'settings' is always rewritten
2017-05-27 04:17:18 +02:00
Daniel Marjamäki
040d2f0012
Use simplecpp lexer in test cases
2017-05-18 21:52:31 +02:00
Daniel Marjamäki
7fd04cd8d0
Updated Token::expressionString(), write '->' instead of '.'
2017-04-30 14:22:18 +02:00
Daniel Marjamäki
101dc28afa
Refactoring: Moved checkMemset.. from CheckOther to CheckFunctions
2017-04-23 07:53:41 +02:00
Daniel Marjamäki
50da7d4919
Tokenizer: Write syntax error if there is C++ code in C file.
2017-04-06 08:50:35 +02:00
Robert Reif
3dba1b1739
Tests for git pull request #882 .
2017-03-25 15:46:25 -04:00
PKEuS
816106560a
More conservative check for non-commutative operator+ in isSameExpression() ( #7938 )
2017-03-15 19:17:40 +01:00
PKEuS
00904ba32a
Fixed false negatives in CheckOther::checkPassByReference() when assignment operator is used.
2017-03-07 21:49:28 +01:00
Daniel Marjamäki
59c1c76a97
Fixed #7466 (Reference variable does not count side-effects (FP variableScope))
2017-03-03 19:07:00 +01:00
Matthias Krüger
f80e888b7e
run astyle
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[ci-skip]
2017-01-31 16:22:31 +01:00
umanamente
a012e5b5fb
( Fixed #7846 ) Syntax error when using C++11 braced-initializer in function last argument
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Add an optional extended description…
2017-01-23 12:50:36 +01:00
PKEuS
3022d74801
Do not suggest pass by reference for std::initializer_list
2017-01-19 11:14:55 +01:00
Robert Reif
139071d88b
Fixed #7875 (New check: function declaration and definition argument names don't match)
2017-01-05 08:52:11 +01:00
Daniel Marjamäki
770abcf453
Fixed #5398 (False positive: Scope of variable can be reduced does not account for other variables not reduceable)
2016-12-26 14:14:40 +01:00
Daniel Marjamäki
df6ae9f3b4
Fixed #7847 (Can't detect shift negative values when some op is executed)
2016-12-22 09:40:19 +01:00
Daniel Marjamäki
606bb78297
ValueFlow: Better handling of casts
2016-12-20 19:32:21 +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
8cba02dc66
Readd test case I removed in b098d5fbd6
2016-12-11 21:24:12 +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
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
Frank Zingsheim
c8ff96fe8f
Fixed #6180 (Usage of variable after std::move or std::forward)
2016-11-20 15:14:49 +01:00
PKEuS
e23dc5c1e2
Fixed wrong message shown if unused label appears directly after a switch() scope
2016-11-20 14:43:54 +01:00
orbitcowboy
919f8ac323
Fixed typos. There are no real changes.
2016-11-04 15:01:05 +01:00
Boris Egorov
0154d39bf6
Show struct member in unsignedLessThanZeroError warning
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Before:
[/tmp/test.c:8]: (style) Checking if unsigned variable '.' is less than zero.
[/tmp/test.c:12]: (style) Checking if unsigned variable '.' is less than zero.
After:
[/tmp/test.c:8]: (style) Checking if unsigned variable 'd.n' is less than zero.
[/tmp/test.c:12]: (style) Checking if unsigned variable 'd.n' is less than zero.
2016-09-22 08:03:30 +07:00
Matthias Krüger
2f39ed6f88
redundantPointerOpError: put pointer name into single quotes in the error message.
2016-09-16 22:18:24 +02:00
Daniel Marjamäki
939b42df06
Fixed #7134 (False positive redundantAssignment - assignment to local variable of unknown type)
2016-08-29 03:48:08 +02:00
Daniel Marjamäki
bd21cd7c85
Fixed #6309 (FP: checkRedundantAssignment should not warn for pointer alias)
2016-08-08 21:43:00 +02:00
Daniel Marjamäki
e784901303
Fixed #6971 (False positive duplicateExpressionTernary - cast ignored)
2016-08-01 21:53:43 +02:00
PKEuS
92e3e802fb
Attempt to fix travis build and testrunner failure
2016-07-28 20:59:09 +02:00
PKEuS
452ecc7ceb
Improved check: Detect passedByValue even for arguments that are not declared as "const"
2016-07-28 19:37:10 +02:00
Daniel Marjamäki
0767284ca1
Fixed #7630 (FP: dead store, modifying array, index var modified)
2016-07-25 07:35:33 +02:00
Daniel Marjamäki
ed4a47de45
Tokenizer: Improve syntax checking of switch,if,while
2016-07-22 16:54:24 +02:00