1245a036f7
Add check for shadow variables
2018-10-16 20:17:27 +02:00
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
aa58f41e6d
Fixed #7152 (False positive for redundantAssignment after calling a lambda function)
2018-10-08 21:07:21 +02:00
d66c92edc3
Remove unused parameters for CheckOther::oppositeExpressionError ( #1412 )
2018-10-05 08:36:49 +02:00
26a8435d76
Use knownConditionTrueFalse when is duplicate expression is true or false ( #1410 )
2018-10-05 06:00:24 +02:00
e170a45230
Enable followVar for opposite expressions ( #1404 )
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Enable followVar for opposite expressions
2018-10-04 21:17:47 +02:00
4598995564
Enable followVar for duplicate ternary expressions ( #1406 )
2018-10-01 14:31:06 +02:00
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
7591616f43
Fixed #8710 (Update message duplicateExpression when operand is integer literal)
2018-08-30 18:28:34 +02:00
ad0ebd8f1a
astyle formatting
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[ci skip]
2018-08-25 21:32:52 +02:00
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
e442bc47b1
astyle formatting
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[ci skip]
2018-08-17 19:55:21 +02:00
bbf876256c
Add error path to more diagnostics that rely on isSameExpression ( #1342 )
2018-08-17 09:25:07 +02:00
80290a15e0
Fix FP with duplicate assign ( #1330 )
2018-08-08 08:31:31 +02:00
c3a44ce56b
astyle formatting
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[ci skip]
2018-08-07 18:06:51 +02:00
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
2018-08-07 09:32:16 +02:00
0e491b41a8
Clarify warning message for 'Same expression on both sides of operator'
2018-08-05 10:48:02 +02:00
f9a5a114bb
astyle formatting
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[ci skip]
2018-07-25 07:44:06 +02:00
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
417670d947
Clarify code with continue
2018-07-20 21:44:23 +02:00
d00e522856
Clarify the code with Token::isUnaryOp and Token::isBinaryOp
2018-07-14 13:01:24 +02:00
c9a2071420
Refactoring: Use range for loop
2018-07-14 12:28:57 +02:00
24dd4c9c26
Restore code in checkVariableScope. Fixes false negative
2018-07-01 22:31:45 +02:00
2beeca3ca2
Refactoring; use early continue
2018-06-23 23:26:37 +02:00
655a8b21b6
Fix false positive 'passedByValue' when address of argument is used
2018-06-23 23:25:06 +02:00
697aee143f
CheckOther: Use Variable::valueType() instead of Variable::typeStartToken
2018-06-23 16:52:40 +02:00
fc78530b3f
CheckOther: Use Variable::valueType() instead of Variable::typeStartToken
2018-06-23 16:49:26 +02:00
2a8296879c
CheckOther: Use Variable::valueType() instead of Variable::typeStartToken
2018-06-23 16:42:36 +02:00
ee335e5151
Fix compiler error
2018-06-23 16:07:02 +02:00
911020f601
Refactoring, use range for loop
2018-06-23 15:58:44 +02:00
d811a07aa3
CheckOther: Use Variable::valueType() instead of typeStartToken etc
2018-06-22 23:04:36 +02:00
d0614b9b36
varScope: Fix false negatives for references
2018-06-22 22:51:03 +02:00
439d4a4900
Use Variable::valueType() instead of Variable::typeStartToken()
2018-06-20 19:08:09 +02:00
79ffe1d4fc
Rename _tokenizer, _settings, _errorLogger
2018-06-16 16:10:28 +02:00
b9d03d0e23
astyle formatting
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[ci skip]
2018-06-10 21:59:24 +02:00
daacf27c2e
Fix false positive from issue 8612 ( #1285 )
2018-06-10 00:05:23 +02:00
8d53bcfd63
Fix FP when using non-const members and also check return type of function ( #1283 )
2018-06-09 08:05:19 +02:00
84f0a18053
passedByReference: avoid false positives for std::pair
2018-06-08 10:19:02 +02:00
44c78d1770
passedByReference: avoid false positives for std::function
2018-06-08 08:40:14 +02:00
de09c117bf
Fixed #8618 (False positive: shared_ptr is passed by reference by intention)
2018-06-07 22:39:21 +02:00
7c9b6d9bb0
checkother.cpp: Fix typo in symbol placeholder in error message. ( #1276 )
2018-06-05 10:24:19 +02:00
33777c5b72
Improved const correcntess of local variables.
2018-05-29 13:24:48 +02:00
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
184537884f
Don't remove the volatile keyword so we can properly overload functions. ( #1218 )
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* Don't remove the volatile keyword so we can properly overload functions.
I fixed all the checks that had tests that use volatile. There will
probably be more changes needed due to lack of test coverage for
volatile in some checks.
* Fix unused private function warning.
2018-05-10 07:40:01 +02:00
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
ca8e19c96d
SymbolDatabase: Refactor SymbolDatabase: variable list
2018-04-28 09:38:33 +02:00
f336c2efe7
Refactoring; Renamed Scope::classStart and Scope::classEnd
2018-04-27 22:36:30 +02:00
b6e89f85d0
CheckOther: Use isLikelyStreamRead
2018-04-22 17:14:28 +02:00
e1db4c0e2c
astyle formatting
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[ci skip]
2018-04-21 13:28:31 +02:00
d939c6015a
Report opposite expressions ( #1182 )
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* Report opposite expressions
* Skip assignment operator
2018-04-21 11:28:21 +02:00
46bb63ceaf
Refactoring: Use range for loop
2018-04-20 22:08:22 +02:00
d5fb529d4f
Fixed #8492 (Improve message: parameter should be passed by reference)
2018-04-20 17:33:42 +02:00
313b2a1755
Refactoring: Use ranged for loops
2018-04-19 22:31:36 +02:00
e95ff8c7b6
Avoiding emplace
2018-04-14 19:24:35 +02:00
d2146844dd
Refactorizations:
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- 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
b15cc3f236
Refactorization: Replace several push_back-sequences by initializer lists
2018-04-09 09:54:39 +02:00
a0906140a6
Suppressions: New extensible Suppressions xml format that allow more attributes. To start with it also allows symbolName.
2018-04-09 06:43:48 +02:00
e2002db78d
Replaced make_container by C++11 initializer lists
2018-04-08 23:03:44 +02:00
ae3e649cc4
astyle formatting
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[ci skip]
2018-04-08 20:29:52 +02:00
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
15b5b7ebf4
Refactor lib/checkother.cpp
2018-04-06 08:00:10 +02:00
b6504c70ca
Improve constness
2018-04-04 21:51:31 +02:00
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
27d9aaa8f5
checkother: Removed statement that is always true. ( #1059 )
2018-01-26 22:49:07 +01:00
c4caee6b18
Updated copyright year
2018-01-14 15:37:52 +01:00
eb58df236e
CheckOther::accessMovedError() / accessMoved, accessForwarded warnings: put variable name into single quotes.
2018-01-07 10:57:19 +01:00
f4ddf43cba
Break loop early, simplify check
2017-12-20 03:55:43 +03:00
fbccb3ae55
Add errorpath for accessMoved message
2017-10-10 15:49:15 +02:00
5e618418d5
Refactoring, use early continue in loop
2017-09-21 22:53:15 +02:00
411c5e5f7e
Fixed #8190 (False positive constStatement - return (struct media_frames_per_second) {0};)
2017-09-21 22:50:46 +02:00
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
d7b91a9e92
Fix CID 1378763
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Defensive check recovered from earlier version of this code
2017-09-05 00:17:51 +03:00
e74e4c6934
Fixed #8030 (False positive 'constStatement' when indexing with {})
2017-08-26 11:59:09 +02:00
b8cd7dbb5c
Use nullptr instead of 0 or NULL ( #936 )
2017-08-09 20:00:26 +02:00
0e575ce12c
Modernize: make use of 'nullptr' and added a rule-file for finding non-nullptr (zero) initializations.
2017-07-28 15:20:43 +02:00
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
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
28aa939d69
iwyu - include what you use
2017-05-27 04:33:47 +02:00
f7cda81c0c
Refactoring: ValueFlow::Value::errorSeverity() will have the logic if value is 'error' or 'warning'
2017-05-23 11:43:56 +02:00
55ae206ecc
ErrorPath: better output
2017-05-19 17:29:16 +02:00
a2c716fa3b
CheckOther::checkDuplicateExpression(): be lazier if style-reports are not enabled. NFCI.
2017-05-19 00:54:55 +02:00
c617851567
ErrorLogger: Added ErrorPath where each item has token and info
2017-05-16 22:38:13 +02:00
f92e7b3bfc
Emit better errorpath in CheckBufferOverrun::negativeIndexError
2017-05-16 19:08:47 +02:00
8d75d1b920
Partial fix for #8028 (ValueFlow: Origin/callstack of value)
2017-05-15 20:05:11 +02:00
101dc28afa
Refactoring: Moved checkMemset.. from CheckOther to CheckFunctions
2017-04-23 07:53:41 +02:00
f6ab204dc6
Refactorings in CheckOther
2017-04-23 07:19:44 +02:00
b1f4bd7504
Refactorization: Reimplemented Settings::_enabled as a bitfeld instead of std::set ( #7995 )
2017-04-11 11:49:26 +02:00
35d1479d05
CWE mapping of funcArgOrderDifferent, funcArgNamesDifferent ( #885 )
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Add an optional extended description…
2017-04-01 08:36:46 +02:00
3c8f5b85ae
Refactorization: Allocate Token::_values (ValueFlow information) dynamically, reducing size of each token by around 10%
2017-03-27 18:48:34 +02:00
f5d56fd303
Fixed #7961 (Hang in CheckOther::checkFuncArgNamesDifferent)
2017-03-24 22:01:05 +01:00
00904ba32a
Fixed false negatives in CheckOther::checkPassByReference() when assignment operator is used.
2017-03-07 21:49:28 +01:00
3da1de7893
Do not exclude std::shared_ptr and std::unique_ptr from checkPassByReference() ( #7834 )
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These two types are larger than one pointer. Hence, passing by reference is faster.
2017-03-07 21:18:08 +01:00
1c3f010935
Fixed false positive: Exclude STL shared pointers from checkPassByReference() ( #7834 )
2017-03-07 21:04:19 +01:00
ecc59859e1
Don't simplify _Bool in TokenList
2017-03-04 11:13:28 +01:00
b1ce229006
Small refactoring
2017-03-03 19:09:32 +01:00
59c1c76a97
Fixed #7466 (Reference variable does not count side-effects (FP variableScope))
2017-03-03 19:07:00 +01:00
2ccd5aec1a
Comment spelling fixes
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Add an optional extended description…
2017-02-28 12:22:59 +01:00
3022d74801
Do not suggest pass by reference for std::initializer_list
2017-01-19 11:14:55 +01:00
139071d88b
Fixed #7875 (New check: function declaration and definition argument names don't match)
2017-01-05 08:52:11 +01:00
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
04f24b4220
CWE mapping of accessMoved, accessForwarded, nullPointerArithmeticRedundantCheck, nullPointerArithmetic
2016-12-24 23:07:37 +00:00
df6ae9f3b4
Fixed #7847 (Can't detect shift negative values when some op is executed)
2016-12-22 09:40:19 +01:00
9a871d33f7
Improve Fix #6180 ("reset" and "clear" clears the move status)
2016-12-17 16:39:30 +01:00
2f6350a0d0
Refactorized Library
2016-12-06 14:09:28 +01:00
4cf85b72b6
CheckOther::checkAccessOfMovedVariable: don't warn if --enable=warning is not given.
2016-11-20 18:44:37 +01:00
c8ff96fe8f
Fixed #6180 (Usage of variable after std::move or std::forward)
2016-11-20 15:14:49 +01:00
e23dc5c1e2
Fixed wrong message shown if unused label appears directly after a switch() scope
2016-11-20 14:43:54 +01:00
919f8ac323
Fixed typos. There are no real changes.
2016-11-04 15:01:05 +01:00
a85eacc157
cstyleCast: don't warn about '(const Variable *)nullptr'
2016-10-18 22:56:33 +02:00
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
2f39ed6f88
redundantPointerOpError: put pointer name into single quotes in the error message.
2016-09-16 22:18:24 +02:00
24c6d92667
astyle formatting
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[ci skip]
2016-08-29 04:08:38 +02:00
939b42df06
Fixed #7134 (False positive redundantAssignment - assignment to local variable of unknown type)
2016-08-29 03:48:08 +02:00
87409ea6b3
Running astyle; Improved testing of std::find; std.cfg: Added support for istream::read and ifstream::read.
2016-08-25 19:17:07 +02:00
1db24ee070
CWE mapping of signedCharArrayIndex, unknownSignCharArrayIndex, suspiciousCase, suspiciousEqualityComparison, duplicateBranch, duplicateExpressionTernary, suspiciousSemicolon, incompleteArrayFill, redundantPointerOp, unusedLabelSwitch, unusedLabel, unknownEvaluationOrder, stlIfFind, useAutoPointerCopy
2016-08-25 15:40:23 +01:00
01ee9ee5e6
CWE mapping of invalidLengthModifierError, leakUnsafeArgAlloc, nullPointerDefaultArg, nullPointerRedundantCheck, raceAfterInterlockedDecrement.
2016-08-24 15:37:14 +01:00
bd21cd7c85
Fixed #6309 (FP: checkRedundantAssignment should not warn for pointer alias)
2016-08-08 21:43:00 +02:00
ad96f7b519
Fixed wrong variable being used in CheckOther::checkPassByReference()
2016-08-04 15:30:59 +02:00
452ecc7ceb
Improved check: Detect passedByValue even for arguments that are not declared as "const"
2016-07-28 19:37:10 +02:00
0767284ca1
Fixed #7630 (FP: dead store, modifying array, index var modified)
2016-07-25 07:35:33 +02:00
03d2829fb9
Merge simplecpp branch
2016-07-20 12:21:00 +02:00
f55040a987
Fix segfault when there is no ast generated in lambda function
2016-07-18 14:08:44 +02:00
0ddeac0429
refactor (use ast) and improve CheckOther::checkRedundantAssignment (warn about global variables unless they are volatile, handle arrays in lhs better)
2016-07-18 12:43:23 +02:00
7a183779e2
CheckOther::checkMemsetZeroBytes(): Support wmemset()
2016-07-16 21:53:25 +02:00
d1f06ff47c
Fixed #7175 (False positive performance warning (buffer overwritten before its old content has been used))
2016-06-13 15:46:43 +02:00
dce7128f30
CWE mapping of duplicateExpression, duplicateBreak (CWE561), unreachableCode, unsignedLessThanZero, unsignedPositive, pointerLessThanZero, pointerPositive, varFuncNullUB, nanInArithmeticExpression, commaSeparatedReturn, ( #797 )
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ignoredReturnValue
2016-05-22 13:17:38 +02:00
afa8ad0ebe
CWE mapping of selfAssignment, wrongmathcall, unpreciseMathCall, memsetZeroBytes, memsetFloat, memsetValueOutOfRange, clarifyCalculation, clarifyStatement
2016-05-14 10:13:33 +01:00
0bf85f9aa5
ValueType: Support integers defined in libraries ( #7394 )
2016-05-04 15:39:56 +02:00
01aaa56740
CWE mapping of redundantCopy, redundantAssignment, constStatement, charBitOp, variableScope, redundantAssignInSwitch, redundantCopyInSwitch, switchCaseFallThrough
2016-04-29 18:01:37 +01:00
dc2a92263a
Fixed #7426 (RFC: time to replace simplifyEnum?)
2016-04-22 06:02:54 +02:00
00a584d8d1
astyle formatting
2016-04-22 06:01:34 +02:00
e89cd1b8a4
CWE mapping of unsafeClassCanLeak, zerodivcond, invalidPointerCast, redundantCopy, redundantAssignment, comparisonFunctionIsAlwaysTrueOrFalse, checkCastIntToCharAndBack, cstyleCast, passedByValue, clarifyCondition, exceptThrowInDestructor, exceptDeallocThrow, exceptRethrowCopy, catchExceptionByValue, fflushOnInputStream, seekOnAppendedFile, publicAllocationError
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CWE mapping of unsafeClassCanLeak, zerodivcond, invalidPointerCast, redundantCopy, redundantAssignment, comparisonFunctionIsAlwaysTrueOrFalse, checkCastIntToCharAndBack, cstyleCast, passedByValue, clarifyCondition, exceptThrowInDestructor, exceptDeallocThrow, exceptRethrowCopy, catchExceptionByValue, fflushOnInputStream, seekOnAppendedFile, publicAllocationError
2016-04-12 19:29:40 +02:00
1f27c4b76b
Merge pull request #771 from Dmitry-Me/charUsedAsArrayIndex
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Portability warning when 'char' type is used as array index
2016-02-10 20:11:38 +03:00
c3399493ef
Portability warning when 'char' type is used as array index
2016-02-08 10:08:35 +03:00
b3a0d418e6
Refactorization: Compare only as much characters as necessary in Preprocessor
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Fixed internal message
2016-02-05 21:06:07 +01:00
c66db46f66
Use ValueType in CheckOther::checkSignOfUnsignedVariable()
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Fixed travis: replaced std::string::pop_back by std::string::substr
2016-02-05 20:43:06 +01:00
b4b38fb7ce
Use ValueType in CheckOther::invalidPointerCast()
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False negative: operator new is currently not supported by ValueType.
2016-02-05 20:28:43 +01:00
841f17776b
Set ValueType for assignment operators, detect division by zero for %= and /= again ( #7322 )
2016-02-02 17:17:55 +01:00
9d2258677d
Improved CheckOther::checkUnusedLabel(): Write a warning instead of a style message if it happens inside a switch()
2016-01-31 12:07:24 +01:00
5e10e680da
CWE: refactoring. use constants instead of magic numbers.
2016-01-25 20:01:48 +01:00
5ce69da02d
Mapped 26 errors to their CWEs ID.
2016-01-24 20:53:05 +00:00
79aec559d5
Fixed #7243 (False positive unknownEvaluationOrder - comma operator inside while-clause)
2016-01-18 16:10:51 +01:00
7b1710a44f
redundantAssignment: change from severity 'performance' to 'style' since avoiding unneccessary stores is a basic optimization done by compilers.
2016-01-15 22:01:40 +01:00
e9e496199c
CheckOther::memsetZeroBytesError: remove now unused parameter.
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was:
lib/checkother.cpp:1116:76: warning: unused parameter ‘varname’ [-Wunused-parameter]
void CheckOther::memsetZeroBytesError(const Token *tok, const std::string &varname)
^
2016-01-12 23:55:02 +01:00
7802517a69
#7285 wrong var name: memset() called to fill 0 bytes of '&' memset with pointer: remove var name from message. Correct some entries in posix.cfg.
2016-01-12 23:20:48 +01:00
b2386fa011
minor refactoring, use 'else if' when appropriate
2016-01-06 15:49:44 +01:00
996c9244d8
Update copyright year to 2007-2016.
2016-01-01 15:34:45 +02:00
8171154e12
Fixed #7230 (Confusing code snippet in error message)
2015-12-31 01:15:49 +01:00
bd1037e95b
Fixed #7242 (False positive unknownEvaluationOrder - comma expression in function argument)
2015-12-29 12:06:42 +01:00
0ddb5c12ce
Fixed #7238 (False positive unknownEvaluationOrder for comma operator on C code)
2015-12-28 13:45:55 +01:00
Daniel Marjamäki
rikardfalkeborn
Carlo Marcelo Arenas Belon
Paul Fultz II
lordylike
Sebastian
orbitcowboy
IOBYTE
PKEuS
PKEuS
jrp2014
orbitcowboy
Matthias Krüger
Dmitry-Me
Ayaz Salikhov
orbitcowboy
Andreas Pokorny
Stas Cymbalov
Ayaz Salikhov
Roberto Martelloni
Ville Skyttä
Frank Zingsheim
Boris Egorov
Dmitry-Me
Alexander Mai
Lauri Nurmi