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422 Commits

Author SHA1 Message Date
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 
[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) 
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: 
- 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) 
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. 
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 
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)" 
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