Commit Graph

1036 Commits

Author SHA1 Message Date
Dmitry-Me f937dde1e0 Improve C style casts detection 2014-09-01 16:40:28 +04:00
PKEuS c92230dfee Fixed crash on garbage code introduced by recent commit. 2014-09-01 12:41:30 +02:00
PKEuS 20a066bb14 Run unreachableCode checking only on executable scopes (#5789) 2014-09-01 11:29:39 +02:00
PKEuS b5e064e737 Fixed unreachableCode message if a lambda is returned (#6008). 2014-09-01 11:10:42 +02:00
PKEuS 353a9e9a64 Bailout for duplicateBranch check if branches are empty (#5354) 2014-09-01 10:19:14 +02:00
PKEuS e9fdfc6cd0 Fix on checking side for #6099 2014-08-30 11:18:48 +02:00
PKEuS 06a92e8981 Moved several condition checks from checkOther to checkCondition (former checkAssignIf) 2014-08-29 17:06:46 +02:00
PKEuS eba8c6f6c5 Refactorization:
- Added missing separating comments between checks in checkother.cpp
- Moved checks related to strings into own file
2014-08-27 09:42:09 +02:00
PKEuS 7f2be2f57c Fixed template bracket linkage in while loop simplification
Ran AStyle
2014-08-23 12:28:54 +02:00
amai2012 976966fe81 #5639 String literal compared with char buffer in a struct. 2014-08-23 09:41:40 +02:00
PKEuS 0bf7b03f96 Refactorization: Support :: in some places in checkother.cpp 2014-08-18 10:25:30 +02:00
Daniel Marjamäki d44d6ad94a incorrect logic operator: fixed crashes 2014-08-18 05:37:07 +02:00
Daniel Marjamäki ebc0b6cd44 astIsFloat: Fix crash when there is no second operand for '.' 2014-08-17 14:28:31 +02:00
Daniel Marjamäki f7f44f24c7 Fixed #5132 (False negative: incorrectLogicOperator in simple if-clause) 2014-08-17 14:04:40 +02:00
Daniel Marjamäki 364c975701 Fixed #5557 (astIsFloat: better handling of '.') 2014-08-15 16:48:53 +02:00
PKEuS 5d302716e7 Refactorized Variable::isIntegralType() and Variable::isFloatType():
- Cached property
- Make use of it in several checks
- float* is flagged as floating point type
2014-08-09 11:45:13 +02:00
PKEuS c3577bc8dd Fixed crash, simplified code in testassert.cpp 2014-08-06 12:24:21 +02:00
PKEuS d3a567bf96 Fixed false positive #5824: Variables that might be used for va_start() must not be passed by reference. 2014-08-06 12:06:36 +02:00
PKEuS 4a3d719386 Fixed recently introduced FP when C-Style casting nullpointers 2014-08-04 11:42:14 +02:00
PKEuS 4c80ca4e8e Improved cstyleCast check:
- Detect casting of literals
- Check initializer lists (#3630)
2014-08-04 11:21:25 +02:00
Daniel Marjamäki 8a1c5d6fce Fixed #6011 (crash: libreoffice/binfilter svt_enhwmf.cxx) 2014-07-28 16:33:42 +02:00
Daniel Marjamäki fdfea717c6 Suspicious string comparison: Refactoring using AST. Fixed FP in Lac. 2014-07-28 14:27:35 +02:00
Daniel Marjamäki 76020d2ad0 astIsFloat: expression 'floatvar ? 0x40 : 0' is not float 2014-07-26 09:09:58 +02:00
Dmitry-Me 07c120f1af Cache option flags and check them first. 2014-07-23 17:06:27 +04:00
Daniel Marjamäki 2cc31acabb Fixed #5922 (FP: passedByValue for std::string::value_type) 2014-07-18 15:51:59 +02:00
Daniel Marjamäki bf5b4d9ece astyle formatting
[ci skip]
2014-07-14 14:38:40 +02:00
Dmitry-Me 9829e0b48a Clearer variable names, fix typo in comment. 2014-07-11 11:33:09 +04:00
Dmitry-Me ba3757dfd3 Bring variables decalaration to where they are really needed. 2014-07-10 11:23:14 +04:00
Daniel Marjamäki d40b77dce2 Removed special 'else if' handling. this is redundant since these are simplified. 2014-07-02 16:16:19 +02:00
Daniel Marjamäki 5e9e90b1c1 Fixed Token::Match pattern. In x|y|.. patterns, all %cmd% should be placed before plain-text operands. 2014-07-01 15:55:29 +02:00
Daniel Marjamäki 41baffdda1 Fixed #5850 (Wrong Message on self assignment) 2014-06-28 15:26:22 +02:00
orbitcowboy 16352ca674 Reverted fix 6d0f490138, but keeping the testcase in the testsuite. 2014-06-06 14:44:22 +02:00
orbitcowboy 6d0f490138 #5895 - Fixed potential signed integer overflow in Checkother:getvalue. Added regression test. 2014-06-05 16:41:10 +02:00
orbitcowboy e9144d1a78 Fixed #5890 - crash: wesnoth desktop_util.cpp / unicode.hpp. 2014-05-29 02:58:18 +02:00
Daniel Marjamäki 66ad3c97b9 Fixed #5857 (strPlusChar: Crash on invalid code 'int+;') 2014-05-31 10:34:00 +02:00
Daniel Marjamäki 70b4c945de Fixed #5874 (False positive: 'opposite conditions in nested if' with arrays) 2014-05-30 19:19:24 +02:00
Daniel Marjamäki bc2ba1706b cleanup redundant valueflow check. if there are no values the getValue will return NULL. 2014-05-28 21:03:16 +02:00
PKEuS 8f79dc3ff8 Cleaned up includes and forward declarations in checkers:
- Removed definitely unnecessary forward declarations (e.g. "class Token"; token.h is already included by check.h, so a definition is unnecessary)
 - Removed unused includes
2014-05-24 12:50:03 +02:00
PKEuS b78131cfcf Improved cast detection in AST:
-> Make use of it in checkother.cpp

Use tokenizer simplification instead of reimplementation for test suite
2014-05-24 11:29:32 +02:00
orbitcowboy 85496cfadc Fixed CID 1192595: Dereference null return value in checkother. 2014-05-23 18:11:44 +02:00
PKEuS bc0682d1e9 Enhancements related to duplicate expression checking:
- Fixed astIsFloat() for complex expressions
- Enhanced support for commutative operators (#5260)
2014-05-22 21:46:48 +02:00
PKEuS 9dd4ac68c0 Refactorization in CheckNullPointer:
- Use AST to detect dereferences
- Added more unit tests
- Removed handling of unknown constructs in CheckNullPointer::isPointerDeRef()

Added link to verbose message cstyleCast.
2014-05-22 19:48:00 +02:00
PKEuS f1c303d399 Fixed recently introduced verbose message for cstyleCast
[ci skip]
2014-05-22 15:46:28 +02:00
PKEuS 35528ca708 Added verbose message for "C-style pointer casting" (#4140) 2014-05-22 08:57:45 +02:00
PKEuS 4cad064c3c Fixed false positive on C code introduced by last commit 2014-05-21 20:36:19 +02:00
PKEuS d19eabde42 New Check: Compare pointer with '\0' (#4070) 2014-05-21 19:12:07 +02:00
PKEuS cdfed32500 Merged checkSelfAssignment() into checkDuplicateExpression():
- Fixed false negatives on self assignments of more complex expressions like "a.b"
- New false negative on self assignment in initialization
- Support this->... pattern in isSameExpression()
- Fixed #5819: Check type of operands
2014-05-21 18:19:42 +02:00
PKEuS 48c3d02fc3 Fixed false positives and false negatives in 'oppositeInnerCondition' (among others: #5808) 2014-05-21 14:38:41 +02:00
PKEuS 5fbd58d98d Fixed messages of CheckInternal, fixed a false positive. 2014-05-18 20:39:52 +02:00
PKEuS e713ad45cb Refactorizations:
- Simplified pattern ".|->" to "."
- Use nextArgument() where appropriate
2014-05-18 17:07:21 +02:00
PKEuS 780719665f Fixed crash when checking tinyxml introduced by previous commit 2014-05-18 13:40:49 +02:00
PKEuS 20753f4697 Refactorization: Use AST in CheckOther::checkRedundantCopy(), CheckOther::clarifyStatement() and CheckPostfixOperator::postfixOperator(). 2014-05-18 13:00:58 +02:00
Daniel Marjamäki 7ecdb30308 Fixed #5771 (false positive: (warning) When using 'char' variables in bit operations, sign extension can generate unexpected results.) 2014-05-13 15:53:31 +02:00
PKEuS 70dfb55f21 Simplified some Token::Match patterns 2014-05-11 17:50:58 +02:00
Daniel Marjamäki 827cfac91e Refactoring of CheckOther::checkModuloAlwaysTrueFalse using AST 2014-05-10 20:49:29 +02:00
PKEuS c0fc47643f Fixed false positive #5772: Use AST to check if modulo operation is preceded by an arithmetical operation. 2014-05-09 21:58:28 +02:00
Daniel Marjamäki cb43bee10d Same expression: don't warn for same expressions when there is assignment 2014-05-09 06:16:27 +02:00
Daniel Marjamäki b354de6b23 Fixed #5750 (FP:Opposite conditions in nested 'if' blocks lead to a dead code block) 2014-05-06 16:15:12 +02:00
Alexander Mai d3e8bbdc51 #5618 False positive: (performance) Use const reference for 'temp' to avoid unnecessary data copying. - redundantCopyLocalConst/CheckOther::checkRedundantCopy() is prone to false positives. As a quick fix that check becomes inconclusive. 2014-05-02 20:09:38 +02:00
orbitcowboy a6af8f5dcf #5748: Fixed FP (wrongmathcall) do not warn if an object calls a function foo.log(0). 2014-04-23 01:23:38 +02:00
Daniel Marjamäki fc24d491cc Fixed #5560 (false positive: C-style pointer casting) 2014-04-29 06:21:30 +02:00
PKEuS 866ab1ce14 Fixed false positive #5689: Care about usage of return values of memory functions 2014-04-27 12:18:33 +02:00
Daniel Marjamäki bde6698bcd Fixed #5731 (False positive with opposite conditions) 2014-04-27 10:21:20 +02:00
Daniel Marjamäki 7317785e32 astyle formatting
[ci skip]
2014-04-27 10:20:21 +02:00
Alexander Mai 17ec0af6a7 #5734 A FP literalWithCharPtrCompare was issued upon comparison with a char referenced within a string literal 2014-04-27 09:40:13 +02:00
Daniel Marjamäki d144197d7e Fixed segfault 2014-04-23 19:49:16 +02:00
Daniel Marjamäki 272fcc18d8 Don't warn about redundant number statement in '({ do_something(); 0; })' 2014-04-23 16:23:19 +02:00
Frank Zingsheim 87354bf9d2 Fixed #5707 (false negative: unreachable code is not detected (code after return)) 2014-04-23 07:58:43 +02:00
Daniel Marjamäki 3c5cf299e3 Fixed #5708 (Improve oppositeInnerCondition) 2014-04-23 07:57:13 +02:00
Alexander Mai ccba934cb1 #5684 The scope of the variable 'p' can be reduced - But it can not. 2014-04-17 21:32:56 +02:00
Daniel Marjamäki 8d5a9893d5 Fixed #5682 (False positive: (style) Same expression on both sides of '&&') 2014-04-16 16:04:46 +02:00
PKEuS 076f7a7542 Fixed some coverity findings about dead code, fixed a misleading comment 2014-04-14 22:46:51 +02:00
Philipp Kloke dfd9d32c4b Refactorization: Removed whitespaces at the end of a token
Removed a redundant 'void'
2014-04-12 23:41:46 +02:00
Philipp Kloke ddf34440b6 Refactorization: Replaced several Token::findmatch calls by symboldatabase usage 2014-04-12 23:41:46 +02:00
PKEuS 7ffc313748 Save "->" in Token::originalName if simplified to "."; Fix false positive #4890. 2014-04-12 12:04:56 +02:00
Philipp Kloke 1fafc7f4dc Refactorization: use MathLib::isNullValue in CheckOther::checkMemsetInvalid2ndParam(); Fixed it to support also float literals like "0.f" 2014-04-11 14:17:36 +02:00
Philipp Kloke cf30fab413 Refactorized inefficient usage of Token::findmatch in two checks in checkother.cpp 2014-04-11 14:17:35 +02:00
Philipp Kloke 20c3a5baf0 Refactorized switchCaseFallThrough: Removed lots of obsolete code 2014-04-11 14:17:35 +02:00
PKEuS c33498fa0b Fixed false positive redundantAssignment when operator() is called (#5568) 2014-04-10 21:56:30 +02:00
Daniel Marjamäki 0788e64eb8 Removed unused function expressionsHasSideEffects() 2014-04-04 07:04:19 +02:00
Daniel Marjamäki 8dcb3bae47 Refactoring checks of overlapping conditions in if and else-if 2014-04-03 19:35:50 +02:00
Daniel Marjamäki 1a83338faf Refactoring. Created utility function isOppositeCond() 2014-04-03 17:08:42 +02:00
Daniel Marjamäki 110f956029 code cleanup for invertOperatorForOperandSwap() 2014-04-03 16:22:07 +02:00
Daniel Marjamäki ffac614f7e Fix Cppcheck warning. Use reference to avoid redundant data-copy 2014-04-03 16:16:39 +02:00
Daniel Marjamäki 9f80f3a4e8 Small cleanups in the code 2014-04-03 06:37:02 +02:00
Daniel Marjamäki a115bbbbb5 Refactoring CheckOther::checkCharVariable() using AST 2014-04-03 06:27:29 +02:00
Daniel Marjamäki bc9bb17025 Refactor CheckOther::oppositeInnerCondition() using AST and isSameExpression() 2014-04-02 16:54:01 +02:00
Daniel Marjamäki 3c64c70ce2 ValueFlow: Added utility functions getValueLE and getValueGE to simplify usage 2014-04-02 06:49:28 +02:00
Daniel Marjamäki f4cdb2c46a CheckOther::checkCharVariable: Refactoring using AST 2014-04-01 19:16:06 +02:00
Daniel Marjamäki 348c26f59c fixed segmentation fault in case typeStartToken() returns 0 2014-03-29 21:01:21 +01:00
Daniel Marjamäki efc84ac310 Fix segmentation fault when checking build/tokenize.cpp 2014-03-29 20:41:17 +01:00
Daniel Marjamäki 407c9fdf9d Refactored checkNegativeBitwiseShift() so it uses ast and valueflow 2014-03-29 13:01:30 +01:00
Daniel Marjamäki 502ba95383 Simplification. Code 'else if ..' is simplified to 'else { if ..' 2014-03-28 18:21:56 +01:00
PKEuS 50a94885ce Fixed oppositeInnerCondition check:
- Resolved false positives #4170 and #4186, as well as numerous other potential false positives
- Improved message to point to both locations
- Inner condition could also be a while loop; Outer if could also be 'else if'
- Made the check non-experimental again (#3645)
2014-03-28 14:55:17 +01:00
PKEuS e8c7a723f5 Fixed five new true positives in cppcheck, silenced one new false positive (see #5618) 2014-03-27 15:50:30 +01:00
PKEuS b23aebf2f0 Show redundantCopyLocalConst for STL types (#4331) 2014-03-27 11:15:17 +01:00
PKEuS 5083dd4273 Fixed two visual studio warnings 2014-03-24 18:14:23 +01:00
PKEuS 8d5be8c4a4 Fixed related issues to #5601 2014-03-22 22:35:20 +01:00
PKEuS 58c2f372b9 Fixed false positive when noreturn function is defined (#5601, second attempt) 2014-03-22 19:55:13 +01:00
PKEuS 77c871035b Fixed false positive when noreturn function is defined (#5601) 2014-03-22 18:57:19 +01:00