Commit Graph

247 Commits

Author SHA1 Message Date
Daniel Marjamäki eee9183406 ValueFlow: improved handling of conditional noreturn scope in valueFlowForward 2015-01-06 14:12:35 +01:00
Daniel Marjamäki 1f698ca493 ValueFlow: Fixed valueFlowForward, when condition is false and else-block returns dont set values below the else-code 2015-01-05 16:39:47 +01:00
Daniel Marjamäki c5467766e2 ValueFlow: Fix for valueflow analysis after for loop 2015-01-05 14:00:12 +01:00
Daniel Marjamäki ff11ba9847 Updated copyright year to 2015 2015-01-03 12:14:58 +01:00
Daniel Marjamäki 2831bbd420 ValueFlow: better handling of goto to avoid false positives 2015-01-01 14:29:49 +01:00
PKEuS 58f4660c94 Fixed #5223: Bailout in valueFlowForLoop1() for complex conditions
Refactorization: Reuse result instead of calling MathLib::toLongNumber() twice
2014-12-30 19:56:47 +01:00
PKEuS ec826a0e0e Fixed #6022: Support ++%var% in valueFlowForLoop1
Fixed TODO unit test: properly handle loops that are never executed
2014-12-30 18:50:22 +01:00
Daniel Marjamäki 5490fad8c7 Fixed #5840 (False positive (inconclusive): Possible nullpointer dereference - use before for-loop over nested list) 2014-12-14 14:10:42 +01:00
Daniel Marjamäki d8b50e73df Fixed #6002 (Defect: False positive due to pointer address not being associated with variable in for loop) 2014-10-20 15:54:02 +02:00
Daniel Marjamäki 0fd6586fcc Fixed #6219 (valueFlowForward: better multivariable analysis needed to avoid FP) 2014-10-17 06:50:33 +02:00
Daniel Marjamäki 228206f556 Fixed #6067 (ValueFlow: subfunction, condition with && or ||) 2014-10-15 16:34:03 +02:00
Daniel Marjamäki 31d8cac8c9 Fixed #6138 (ValueFlow: entry can't be 0 in loop code 'while (entry = get()) entry->value;') 2014-10-11 17:48:51 +02:00
PKEuS 0cc5b67bf6 Avoid copying std::list object in valueFlowAfterAssign 2014-09-24 13:22:22 +02:00
Daniel Marjamäki ee93d30d94 ValueFlow: improved valueflow for loops that assign variable and then break 2014-09-23 16:06:02 +02:00
Dmitry-Me 6f9730b1d8 Reorder checks, unwrap code 2014-09-16 10:17:06 +04:00
Daniel Marjamäki 29a49d0641 removed some redundant null pointer checks before calling Token::Match 2014-09-14 11:35:04 +02:00
Simon Martin 53b58f0ed9 Refactoring. Use Token::Match instead of hardcoded patterns to increase readability. 2014-09-14 11:26:16 +02:00
Alexander Mai 6b26b6ed31 Fix read access to uninitialized variable 2014-09-06 22:27:13 +02:00
Alexander Mai 5a96413220 #6127 crash on patch(?)-".c" file. Avoid segfault. 2014-09-04 21:28:18 +02:00
Daniel Marjamäki b3e4abd82a Fixed Cppcheck warnings 2014-09-04 18:08:56 +02:00
Daniel Marjamäki 05617d7285 Fixed #6118 (False positive: divide by zero - if condition not evaluated properly) 2014-09-04 17:52:14 +02:00
PKEuS 5d0aa15002 Merge pull request #416 from Dmitry-Me/removeDuplicateChecks
Remove duplicate checks
2014-09-04 07:46:45 +02:00
Alexander Mai 270f59e76a Fix doxygen warning and astyle formatting 2014-09-03 20:38:41 +02:00
Dmitry-Me 68d650e9ac Remove duplicate checks 2014-09-03 14:17:34 +04:00
Alexander Mai a632f68345 #6122 segmentation fault (invalid code) in in valueFlowForLoop2. Simple fix and testcase. 2014-09-02 19:41:50 +02:00
PKEuS 78932094c8 Fixed crash on garbage code #6106 2014-08-31 12:12:03 +02:00
Daniel Marjamäki eeeb8aa0a7 ValueFlow: Fix crash for lambda function 2014-08-27 17:27:34 +02:00
Daniel Marjamäki ae8a20b197 Fixed #6086 (False positive: valueFlow, conditional code returns) 2014-08-27 16:59:18 +02:00
Daniel Marjamäki 23ec9fea8e Fixed #6024 (False positive (nullPointer) using in 1.66) 2014-08-26 18:48:11 +02:00
PKEuS 5e2ea8b6cd Fixed crash #6089 by using information stored in Variable instead of accessing Variable::nameToken 2014-08-26 11:08:21 +02:00
Daniel Marjamäki 789b01aad2 ValueFlow: fixed one more hang in valueFlowForward 2014-08-24 08:50:01 +02:00
PKEuS 69b7f91034 Support :: in some more places 2014-08-19 11:36:32 +02:00
Daniel Marjamäki b2288e5ada Fixed #6022 (Defect: False positive due to bug in determining bounds of for loop 'for (i = 2; i < 1; ++i)') 2014-08-18 16:45:22 +02:00
PKEuS df080ab5c3 Refactorization in valueflow.cpp: Removed redundant loop, rearranged code. 2014-08-18 10:25:30 +02:00
Daniel Marjamäki 5cdbe0f42d ValueFlow: Improved value flow after for loop 2014-08-17 10:40:22 +02:00
Daniel Marjamäki 7ca742c454 Fixed #5062 (ValueFlow: Handle comma operator in abstract interpretation) 2014-08-17 06:42:16 +02:00
Daniel Marjamäki 65f10edcb6 Fixed #5866 (False negative: useless condition or null pointer dereference (null object after while loop, method)) 2014-08-16 18:32:25 +02:00
Daniel Marjamäki e83f08a825 Fixed #6044 (hang: darkplaces / cl_particles.c) 2014-08-14 06:13:42 +02:00
Daniel Marjamäki f0cb6ef33d Change fix for hang so there won't be FP 2014-08-13 05:36:17 +02:00
Daniel Marjamäki bdfe43d82c Fix hang in libdmtx package. found through daca2. 2014-08-13 04:03:17 +02:00
Daniel Marjamäki 970fda9e79 ValueFlow: Fixed nullpointer FP warning in checksizeof 2014-08-11 16:21:20 +02:00
Daniel Marjamäki 8bbbb54f94 Refactoring valueFlowSubFunction 2014-08-06 06:33:06 +02:00
Daniel Marjamäki 9eb28cb8af ValueFlow: Improved analysis of assignments 2014-08-05 08:28:46 +02:00
Daniel Marjamäki a2f776b1b7 Dead pointer: Added checking for dead pointer usage when pointer alias local variable that has gone out of scope. 2014-08-05 06:24:23 +02:00
Daniel Marjamäki d35ce5f0db ValueFlow: Better handling of calculated function arguments in valueFlowSubFunction 2014-08-04 12:31:04 +02:00
Daniel Marjamäki 344016f7ab ValueFlow: Handle string values in valueFlowSubFunction 2014-08-04 12:13:15 +02:00
Daniel Marjamäki 79fc549de0 ValueFlow: start adding valueflow handling of strings and pointer aliases 2014-08-03 20:11:22 +02:00
Daniel Marjamäki f908959196 ValueFlow: improved analysis in for loops to avoid fp 2014-08-01 16:12:57 +02:00
Daniel Marjamäki 688b798b88 ValueFlow: Cleanup variable 2014-08-01 08:59:07 +02:00
Daniel Marjamäki 57c2e928d1 ValueFlow: Simple multivariable control flow analysis to avoid FP when 'control variable' is used 2014-08-01 07:35:15 +02:00
Daniel Marjamäki 25846cf223 ValueFlow: Fix for if/else valueflow analysis 2014-07-30 18:12:33 +02:00
Daniel Marjamäki 15bb447fdc Fixed #5965 (False positive zerodiv - loop iterating over double variable) 2014-07-17 08:44:55 +02:00
Daniel Marjamäki 5bdd197b01 Fixed #5981 (FP: nullPointer on repeated switch) 2014-07-16 09:12:56 +02:00
Daniel Marjamäki c531749d7a ValueFlow: Small cleanups 2014-07-15 10:36:13 +02:00
Daniel Marjamäki 6afe9a4fbe astyle formatting
[ci skip]
2014-07-08 06:44:57 +02:00
amai2012 9b38ae73c1 Attempt to fix 2 Coverity messages.
Replace a few unsigned int by std::size_t
2014-07-07 21:25:30 +02:00
Daniel Marjamäki 987ce5a408 Fixed #5968 (False positive: 'Possible null pointer dereference' when checking null in negated conjuction) 2014-07-07 17:48:58 +02:00
Daniel Marjamäki 26a3bdfe00 ValueFlow: Cleanup code by using SymbolDatabase provided scope info 2014-07-07 16:34:21 +02:00
Daniel Marjamäki b7d7633b97 ValueFlow: Improved analysis after switch 2014-06-30 17:56:42 +02:00
Daniel Marjamäki f1762f9ed6 Fixed #5939 (fp: Possible null pointer dereference, after check against NULL in for loop) 2014-06-30 07:26:48 +02:00
Daniel Marjamäki df799f97c5 valueFlowBefore: better analysis of conditional assignment 2014-06-30 00:02:49 +02:00
Daniel Marjamäki 4f43e4f9aa Fixed #5959 (ValueFlow: return value from subfunction) 2014-06-29 18:04:38 +02:00
Daniel Marjamäki 893996d182 Fixed #5937 (ValueFlow: wrong analysis of calculations with different variable operands) 2014-06-29 10:57:39 +02:00
Daniel Marjamäki 9eaadc81e2 Fixed #5861 (valueFlowSubFunction: fp for float value) 2014-06-28 12:04:20 +02:00
Daniel Marjamäki 5af96c2dd8 Fixed #5947 (valueFlowForward: forward conditions not handled properly) 2014-06-25 16:00:56 +02:00
Daniel Marjamäki c77786a745 valueFlowAfterCondition: wrong analysis for floats 2014-06-25 06:17:44 +02:00
Daniel Marjamäki 54aede9086 Fixed #5941 (ValueFlow: Wrong value in subfunction under ?) 2014-06-24 19:30:46 +02:00
Daniel Marjamäki ae81b09b58 Refactoring: Move isScopeNoReturn implementation to library and reuse it both in ValueFlow and Tokenizer 2014-06-22 19:13:15 +02:00
Daniel Marjamäki f78cbda2db Refactoring: Removed CheckNullPointer::nullPointerByCheckAndDeRef and implemented needed analysis in ValueFlow instead. 2014-06-22 10:02:14 +02:00
Daniel Marjamäki ef81bc363a ValueFlow: analysis in condition. 2014-06-19 17:29:41 +02:00
Daniel Marjamäki dec251ac44 ValueFlow: Refactoring. Use utility function isVariableChanged. 2014-06-19 05:41:19 +02:00
Daniel Marjamäki 84581817f6 ValueFlow: Improved valueFlowForward. RHS in assignment. 2014-06-18 21:07:01 +02:00
Daniel Marjamäki 13761927ff ValueFlow: better analysis in valueFlowAfterCondition of 'if|while ( %var% )' etc 2014-06-18 06:57:48 +02:00
Daniel Marjamäki 9999ce9468 ValueFlow: extend aftercondition analysis below conditional code 2014-06-18 05:51:23 +02:00
Daniel Marjamäki 847bb44bdd ValueFlow: Improved analysis after condition when ! operator is used 2014-06-16 16:39:41 +02:00
Daniel Marjamäki a27ca11b85 Fixed #5916 (ValueFlow: Add a valueFlowAfterCondition() function) 2014-06-15 16:47:01 +02:00
Daniel Marjamäki ad879320e5 ValueFlow: Fixed 'function call => calculation' value flow 2014-06-13 16:34:57 +02:00
PKEuS adf38fcfd0 Further include cleanup 2014-05-24 12:50:04 +02:00
Matthias Krüger 879023b6b2 travis: compile one pair of jobs with -DCHECK_INTERNAL and run --enable=internal,...
suppress warnings in testtoken.cpp
fix warnings in valueflow
2014-05-19 21:44:00 +02:00
PKEuS 09e03fa6ef Fixed some complaints of PVS Studio 2014-05-19 14:37:54 +02:00
PKEuS 5fbd58d98d Fixed messages of CheckInternal, fixed a false positive. 2014-05-18 20:39:52 +02:00
PKEuS 70dfb55f21 Simplified some Token::Match patterns 2014-05-11 17:50:58 +02:00
Daniel Marjamäki 5a23b739da ValueFlow: Improved bailout when variable is reassigned 2014-05-03 12:49:07 +02:00
Daniel Marjamäki fadc27092e Fixed #5752 (FP (error) Possible null pointer dereference) 2014-05-01 15:15:26 +02:00
Daniel Marjamäki b5e023a46c Fixed #5472 (sizeof not handled as operator with respect to null pointer dereference) 2014-04-29 20:09:11 +02:00
Daniel Marjamäki 1233d8e47f Fixed #5657 (false positive: (error) Possible null pointer dereference: p) 2014-04-28 15:54:54 +02:00
Daniel Marjamäki 3300d39854 Fixed #5721 (valueFlowBeforeCondition: stop when goto label is seen) 2014-04-28 06:21:48 +02:00
Alexander Mai 1317063b21 Fix some more (clang++) compiler warnings 2014-04-26 20:44:21 +02:00
Alexander Mai b74e997435 Fix false positive nullPointer messages within sqlite3 after goto by adding a suitable bailout inside valueFlowAfterAssign() 2014-04-26 14:41:28 +02:00
Daniel Marjamäki 853d56030b Fixed #5559 (false positive: (error) Possible null pointer dereference: pSTRunner) 2014-04-26 11:27:58 +02:00
Daniel Marjamäki fe80f858d1 ValueFlow: Improved analysis in the valueFlowAfterAssign 2014-04-22 16:10:20 +02:00
Daniel Marjamäki 5fc43f85b1 ValueFlow: Refactoring. Created utility function isVariableChanged() 2014-04-20 14:21:43 +02:00
Daniel Marjamäki 56eb717b8a Fixed #5656 (false positive: (error) Possible null pointer dereference: f) 2014-04-18 16:10:18 +02:00
PKEuS 076f7a7542 Fixed some coverity findings about dead code, fixed a misleading comment 2014-04-14 22:46:51 +02:00
Daniel Marjamäki 5ee85ee88a ValueFlow: Improved handling of bitand against a single-bit integer literal 2014-04-14 06:45:39 +02:00
Daniel Marjamäki 189360ae20 ValueFlow: changed back bailout message 2014-04-02 19:22:40 +02:00
Daniel Marjamäki f13be7fb6c Travis: Fixed possible null pointer dereference reported by travis 2014-04-02 19:08:44 +02:00
Daniel Marjamäki 830249d72e Fixed #5510 (FP: nullPointer - variable initialized in function call) 2014-04-01 07:06:20 +02:00
Alexander Mai 5fc89656c0 Fix some uninitialized variables 2014-03-30 10:22:06 +02:00
Daniel Marjamäki e5301b2b7a ValueFlow: Improved valueflow of for loop 'for (i=a; i<10; i++)' => unknown start value but end value is known 2014-03-29 20:20:22 +01:00