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459 Commits

Author SHA1 Message Date
Daniel Marjamäki 980ca39fe2 valueFlowForward: better handling of sizeof() in rhs in assignments 2017-04-29 08:25:55 +02:00
Daniel Marjamäki 89532cf8b9 Fixed #7968 (valueFlowBeforeCondition: better handling of compound assignments) 2017-04-25 20:45:02 +02:00
Daniel Marjamäki 37fd60e879 Fixed #7293 (Use of uninitialized pointer not detected (worked in 1.71)) 2017-04-24 18:27:16 +02:00
Daniel Marjamäki 8a738eefab fixed #7998 (uninitialized variable is not found when used with switch/case) 2017-04-23 18:05:14 +02:00
Daniel Marjamäki 8fe7ee1012 Fixed #7886 (ValueFlow: endless forloop 'for (i = 0, j = 0; i < sz && j < 9; i++)') 2017-03-30 22:02:36 +02:00
PKEuS 3c8f5b85ae Refactorization: Allocate Token::_values (ValueFlow information) dynamically, reducing size of each token by around 10% 2017-03-27 18:48:34 +02:00
PKEuS 97fa9e9d1b ValueFlow: Stop on inline assembly 2017-03-23 20:01:16 +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 72e4bc9d88 ValueFlow: skip values that cause false assertion condition 2016-12-17 21:23:14 +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
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
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
Daniel Marjamäki d40f4e4a55 Fixed #7778 (valueFlowAfterAssign: alias) 2016-11-21 17:26:36 +01:00
Daniel Marjamäki 74fa69fe5e Fixed #7821 (syntax error, first token is &) 2016-11-20 17:59:50 +01:00
Frank Zingsheim c8ff96fe8f Fixed #6180 (Usage of variable after std::move or std::forward) 2016-11-20 15:14:49 +01:00
Daniel Marjamäki 5b377ea2e4 Fixed #7821 (segmentation fault, invalid last token) 2016-11-20 14:15:51 +01:00
Daniel Marjamäki e1e9eacccc ValueFlow: Added float type 2016-11-13 22:59:56 +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
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 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 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
Daniel Marjamäki 4f051bf9dd Fixed #7599 (valueFlowAST: handle && and || better) 2016-07-17 21:51:20 +02:00
Daniel Marjamäki b26dd1ccab ValueFlow: Handle enums 2016-05-07 20:18:07 +02:00
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
Daniel Marjamäki d5884692df Fixed #7363 (valueflowOppositeCondition - if (size1 > size2) ... else if (size1 < size2) ...) 2016-01-30 22:13:03 +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 b9a4a950a2 Fixed #7144 (Tokenizer::isScopeNoReturn: handling '{ { throw new string(..); } }') 2016-01-18 15:39:20 +01:00
Lauri Nurmi 996c9244d8 Update copyright year to 2007-2016. 2016-01-01 15:34:45 +02:00
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
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
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 4ec333dbb6 Fixed #7007 (ValueFlow: value is not known, modified by subfunction) 2015-11-12 14:59:35 +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
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 60f8982999 Fixed #7039 (ValueFlow: bitand calculation '16&15') 2015-10-14 10:44:04 +02:00
PKEuS 3a5cef8a7e Refactorization: Improved usage of Settings instances in test suite 2015-10-07 18:40:03 +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
Daniel Marjamäki 2e78d21480 Fixed #6730 (ValueFlow: inner scope does not return (continue,throw)) 2015-08-11 11:21:03 +02:00
Daniel Marjamäki 07a064aab0 Fixed #6910 (ValueFlow: variable incremented as macro argument is not known) 2015-08-05 14:08:57 +02:00
Daniel Marjamäki 8d3f7e36e9 Fixed #6911 (valueflow: comparison of string and NULL) 2015-08-02 18:12:03 +02:00
Daniel Marjamäki 6790d91fbb Improve error messages for conditional values. make valueFlowSwitchVariable values conditional that depend on the case. Partial fix for #6884. 2015-07-29 19:54:57 +02:00
Daniel Marjamäki fc25ed8c86 Fixed #6879 (valueflow in do-while(++i)) 2015-07-29 11:55:07 +02:00
Daniel Marjamäki bf75ee9aed Fixed #6885 (valueflow ignores assignment of variable via function call) 2015-07-29 10:49:17 +02:00
Daniel Marjamäki e759710198 Fixed #6743 (valueFlowAfterCondition: wrong value when variable is changed in conditional code) 2015-07-28 08:58:05 +02:00
Daniel Marjamäki b50f554b28 TestValueFlow::valueFlowArrayElement: Refactoring tests 2015-07-27 16:25:14 +02:00
Daniel Marjamäki ed1c6e41d9 Fixed #6876 (valueFlowForward: lambda function) 2015-07-26 19:28:42 +02:00
Daniel Marjamäki 190550f9f9 Fixed #6877 (ValueFlow: valueFlowForward, after goto label the value is not known) 2015-07-26 17:05:21 +02:00
Daniel Marjamäki f3b5857b96 improved testing of calculations in valueflow 2015-07-26 12:00:42 +02:00
Daniel Marjamäki afd9f071c0 simplified the code for ValueFlow Known/Possible values 2015-07-25 19:36:29 +02:00
Daniel Marjamäki ffc707246b ValueFlow: Better handling of Known/Possible values after conditional unknown function call 2015-07-21 17:56:40 +02:00
Daniel Marjamäki 749bb34deb Fixed #6830 (ValueFlow: value of switch-variable inside switch) 2015-07-20 19:45:38 +02:00
Daniel Marjamäki c0880c8d79 ValueFlow: Values that are assigned in switch are possible after switch 2015-07-20 09:36:56 +02:00
Daniel Marjamäki ce7e879460 ValueFlow: isVariableChanged() should return true when variable is changed by passing its address to subfunction 2015-07-18 15:35:39 +02:00
Daniel Marjamäki 5aa0b284dc ValueFlow: Evaluate more calculations when operands have known values 2015-07-18 15:03:57 +02:00
Daniel Marjamäki 25d9ebedd8 ValueFlow: fixed known/possible value of static variable 2015-07-17 20:48:37 +02:00
Daniel Marjamäki f1e410a878 ValueFlow: value that is changed in do while loop must be possible instead of known. 2015-07-17 20:30:34 +02:00
Daniel Marjamäki 61cf224f32 ValueFlow: Make known loop value possible 2015-07-17 10:24:24 +02:00
Daniel Marjamäki 3d5781743c ValueFlow: Restore handling of not 2015-07-16 21:17:44 +02:00
Daniel Marjamäki 15a8e4d2df Temporarily revert "Fixed #4842 (condition is always true (variable is assigned constant value and then used in condition))" 
This reverts commit a3fbad50cb.

The ValueFlow must be updated before this can be re-added.
 2015-07-16 21:10:46 +02:00
Daniel Marjamäki 09efe140fe ValueFlow: Change value to 'Possible' after conditional assignment in inner loop 2015-07-16 21:08:32 +02:00
Daniel Marjamäki 38214b6907 ValueFlow: function arguments only has 'possible' values 2015-07-16 20:49:14 +02:00
Daniel Marjamäki a3fbad50cb Fixed #4842 (condition is always true (variable is assigned constant value and then used in condition)) 2015-07-16 20:17:57 +02:00
Daniel Marjamäki 88491267d6 ValueFlow: Added Value::valueKind that says if value is known or possible 2015-07-16 17:33:16 +02:00
Daniel Marjamäki 405a1fba11 ValueFlow: set values for false/true 2015-07-14 18:02:26 +02:00
Daniel Marjamäki 7ccd30362c Fixed #6826 (False positive: ValueFlow conditional value used in condition) 2015-07-12 19:35:47 +02:00
Daniel Marjamäki b8e77c8005 valueflow: fix for ?:. the condition result is not a result of the ?. 2015-07-04 11:17:38 +02:00
Daniel Marjamäki 7e1ddea653 One more fix for #6811 (ValueFlow: result of ?:) 2015-07-02 20:52:04 +02:00
Daniel Marjamäki c751039612 Fixed #6811 (ValueFlow: result of ?:) 2015-07-02 20:11:27 +02:00
Daniel Marjamäki eb0db322eb Fixed #6560 (ValueFlow: handling ternary operator better in valueFlowSubFunction) 2015-05-24 17:02:00 +02:00
Daniel Marjamäki ca1f19b6d4 Fixed #6378 (valueFlowForward: decrement not handled) 2015-05-02 17:30:09 +02:00
PKEuS bc5132e0ac Refactorization: Moved declaration of errout, ... to testsuite.h, uniformized style 2015-03-11 22:54:43 +01:00
Daniel Marjamäki d1892786b8 ValueFlow: Improved when using '[' on arrays and strings 2015-02-24 15:57:39 +01:00
Daniel Marjamäki 8a1b8df1ba ValueFlow: Improved handling of alias values in valueFlowForward 2015-02-08 19:20:05 +01:00
Daniel Marjamäki 62a5d88eb0 ValueFlow: Improved handling of strings 2015-02-07 18:14:22 +01:00
Daniel Marjamäki 29db3eb848 Fixed #5980 (ValueFlow: pointer cant be 0 below throw in switch) 2015-02-07 10:45:30 +01:00
PKEuS f1714110d0 Fixed crash if double constants are passed as default arguments (#6494) 2015-02-03 22:12:05 +01:00
PKEuS 451a277b18 Refactorization: Support function default values in ValueFlow, removed now obsolete CheckNullPointer::nullPointerDefaultArgument(). 
-> Use valueFlowForward() to parse values passed to functions
-> valueFlowForward(): Set value in first occurrence of a variable in a condition
 2015-02-01 15:15:00 +01:00
PKEuS 33f5d27b53 Fixed varId0 message #6443. 2015-01-31 10:33:32 +01:00
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 051d42ae6b astyle formatting 2014-11-20 14:20:09 +01:00
orbitcowboy f5d804f71a running astyle 2014-11-20 10:13:03 +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
PKEuS 6955e719cf Collected garbage code tests and moved them to testgarbage.cpp 2014-10-16 10:59:46 +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
Daniel Marjamäki ee93d30d94 ValueFlow: improved valueflow for loops that assign variable and then break 2014-09-23 16:06:02 +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
Alexander Mai 270f59e76a Fix doxygen warning and astyle formatting 2014-09-03 20:38:41 +02:00
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 febbd92fbd ValueFlow: relocate test 2014-08-27 17:11:38 +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 37f3c6881b ValueFlow: Removed testcases for code that has been removed 2014-08-24 08:50:49 +02:00
Daniel Marjamäki 789b01aad2 ValueFlow: fixed one more hang in valueFlowForward 2014-08-24 08:50:01 +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
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 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 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 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 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 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 ef81bc363a ValueFlow: analysis in condition. 2014-06-19 17:29:41 +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 cb9725b18a ValueFlow: Fixed testcase 2014-06-15 17:15:09 +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
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 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 56eb717b8a Fixed #5656 (false positive: (error) Possible null pointer dereference: f) 2014-04-18 16:10:18 +02:00
Daniel Marjamäki 5ee85ee88a ValueFlow: Improved handling of bitand against a single-bit integer literal 2014-04-14 06:45:39 +02:00
PKEuS d4765bccc3 Refactorized inefficient usage of std::string and const char[] (part 2). 2014-04-03 14:56:14 +02:00
Daniel Marjamäki 830249d72e Fixed #5510 (FP: nullPointer - variable initialized in function call) 2014-04-01 07:06:20 +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
Daniel Marjamäki c8004a8d31 Buffer overruns: Use ValueFlow to detect negative index 2014-03-25 18:22:22 +01:00
Daniel Marjamäki dbc8273cb7 ValueFlow: improved abstract interpretation of for loops 2014-03-24 00:16:02 +01:00
Daniel Marjamäki c14a3d67bb ValueFlow: Handle division by zero better in abstract interpretation 2014-03-23 20:37:56 +01:00
Daniel Marjamäki 30fa187b30 Fixed #5549 (ValueFlow: Handle static variables better in valueFlowAfterAssign) 2014-03-23 17:57:27 +01:00
Daniel Marjamäki b6276058da Value Flow: Improved abstract interpretation of arithmetical expressions 2014-03-22 19:02:33 +01:00
Daniel Marjamäki fc014f055f ValueFlow: Removed wrong bailout 2014-03-21 08:33:45 +01:00
Daniel Marjamäki 01c29ed15f Fixed #5518 (FP regression in 1.64: Array accessed out of bounds) 2014-03-18 17:04:33 +01:00
Daniel Marjamäki e240282443 Value Flow: Another try with the abstract interpretation of for loops 2014-03-17 18:43:47 +01:00
Daniel Marjamäki 8c3f2c2ad9 Revert 894a65b0. abstract interpretation of for loops. there was some crashes and performance problems. I will fix those problems when I have time and recommit. 2014-03-16 08:38:52 +01:00
Daniel Marjamäki 894a65b0b1 ValueFlow: Refactor the for-loop handling. Use abstract interpretation. 2014-03-15 11:29:33 +01:00
Daniel Marjamäki f6b42633e8 Fixed #5434 (FP: Out-of-bounds access with ternary operator in loop) 2014-02-22 17:59:12 +01:00
Daniel Marjamäki 34730f623a Fixed #5301 (False positive: (error) Division by zero - variables read from input stream) 2014-02-22 12:09:54 +01:00
Daniel Marjamäki 690c37633b ValueFlow: Fixed bad values after break/continue 2014-02-17 20:07:38 +01:00
Daniel Marjamäki fd3a8a2a18 Update copyright 2014-02-15 07:45:39 +01:00
Daniel Marjamäki b3bfd5014d Fixed #5433 (FP:Possible null pointer dereference) 2014-01-31 15:43:34 +01:00
Daniel Marjamäki be082a8e4a value flow: added bailout for conditional return/continue/break when number_of_if is bigger than 0 2014-01-26 15:50:25 +01:00
Daniel Marjamäki c5971b7137 value flow: fix fp when conditional value is assigned 2014-01-25 20:14:49 +01:00
Daniel Marjamäki c1e35e1df1 value flow: fixed multivariable problem in condition 2014-01-25 19:13:33 +01:00
Daniel Marjamäki df0995edf5 Fixed #5403 (Value flow: FP because post increment/decrement is not handled correctly) 2014-01-25 18:31:02 +01:00
Daniel Marjamäki 35b51468cb value flow: Fixed FP for division then check in for loop: 'for (a=b/x;x>0;x--)' 2014-01-25 09:22:32 +01:00
Daniel Marjamäki 4647a9fc93 Fixed #5401 (value flow: fp when there are increment/decrement) 2014-01-24 18:22:38 +01:00
Daniel Marjamäki 1cac7e1686 value flow: better handling in function call bailout of casting address of variable 2014-01-24 17:47:49 +01:00
Daniel Marjamäki f3f7e6d302 value flow: replacing executionpath checking of null pointers 2014-01-22 20:16:31 +01:00
Daniel Marjamäki cc38dec3ad value flow: a bit better handling of assigned variable 2014-01-22 06:10:17 +01:00
Daniel Marjamäki a27ccbd0f8 value flow: start implementing value flow analysis of assigned value 2014-01-21 21:13:49 +01:00
Daniel Marjamäki bb3cc67aaa value flow: improved calculations that depends on variable 2014-01-20 21:45:30 +01:00
Daniel Marjamäki 98305e9163 astyle formatting 2014-01-20 06:31:28 +01:00
Daniel Marjamäki 7ff7bc1c2e Fixed #5376 (false positive: zerodivcond (style) Either the condition 'B>0' is useless or there is division by zero) 2014-01-19 20:16:55 +01:00
Daniel Marjamäki 84c5f47eb1 value flow: bailout for class variables that are non-const 2014-01-19 11:55:02 +01:00
Daniel Marjamäki ccda78f347 value flow: fixed todo assertion for handling of conditions 2014-01-19 09:31:40 +01:00
Daniel Marjamäki cdaa7abf7e value flow: better handling of conditional code below || && ?: operators 2014-01-19 09:05:48 +01:00
Daniel Marjamäki 77f3f6c21a valueflow: added setTokenValue that perform calculations using set value 2014-01-18 19:30:44 +01:00
Daniel Marjamäki c7032a8867 value flow: improved handling of loops 2014-01-18 11:54:00 +01:00
Daniel Marjamäki d0d56aee4a TestValueFlow: split up valueFlowBeforeCondition into smaller functions 2014-01-18 08:45:24 +01:00
Daniel Marjamäki 57d318b2e5 valueflow: better handling of increment/decrement 2014-01-17 19:28:28 +01:00
Daniel Marjamäki 30cae358d8 Removed the --value-flow flag. ValueFlow analysis will always be enabled from now on. 2014-01-17 18:07:05 +01:00
Daniel Marjamäki d43191a9e3 value flow: remove duplicate test case 2014-01-14 18:13:17 +01:00
Daniel Marjamäki c547c9a108 value flow: fixed fp when variable is used in for-loop condition 2014-01-14 17:57:50 +01:00
Daniel Marjamäki 7981e3d38f value flow: fix fp when gotos are used 2014-01-13 16:07:25 +01:00
Daniel Marjamäki b1bbb23225 value flow: fixed fp when checking symboldatabase 2014-01-13 05:52:28 +01:00
Daniel Marjamäki 2e67ca06c0 value flow: some simplifications in unknown functions when there is library configuration 2014-01-12 18:19:00 +01:00
Daniel Marjamäki d700114edf value flow: bailout if condition is defined by macro 2014-01-12 17:16:51 +01:00
Daniel Marjamäki 3d79613f2b value flow: more bailouts when return/break/continue/goto is reached. TODO: handle these better. 2014-01-12 15:07:58 +01:00
Daniel Marjamäki d8262963d9 value flow: condition in loop, bailout valueflow analysis before loop if there is assignment inside the loop 2014-01-12 11:58:10 +01:00
Daniel Marjamäki f58e1ab80e value flow: fixed fp in switch 2014-01-11 21:21:00 +01:00
Daniel Marjamäki 3625d179e5 value flow: don't perform value flow analysis in sizeof/typeof expressions 2014-01-11 21:10:01 +01:00
Daniel Marjamäki 680d3f1312 value flow: fixed fp for nested assignments 2014-01-11 20:53:23 +01:00
Daniel Marjamäki 4d045879aa value flow: fixed fp when while condition contains variable that is changed in loop body 2014-01-11 20:25:49 +01:00
Daniel Marjamäki 75f9111775 value flow: bailout when variable is used in assignment to itself 2014-01-11 15:36:09 +01:00
Daniel Marjamäki 1fc2c9fe79 ast: fixed syntax tree for statement enclosed in parentheses ';(expr);' 2014-01-11 15:18:39 +01:00
Daniel Marjamäki eaf8c83db5 value flow: refactoring. broke out function for skipping value simplifications in expressions. 2014-01-11 14:54:10 +01:00
Daniel Marjamäki 85dcb14813 value flow: bailout in valueFlowBeforeCondition if variable can be assigned by subfunction 2014-01-11 14:31:51 +01:00
Daniel Marjamäki 02b92efd1a value flow: improved analysis of expressions below ?, && and || operators 2014-01-11 12:44:55 +01:00
Daniel Marjamäki 60348da1b5 value flow: fixed fp for rhs in && and || expressions 2014-01-11 11:30:34 +01:00
Daniel Marjamäki 1ad94a8be5 value flow: loosen up bailouts in valueFlowSubFunction 2014-01-11 07:52:25 +01:00
Daniel Marjamäki c687933e9f value flow: improved handling of for loops 2014-01-10 18:19:24 +01:00
Daniel Marjamäki 3eebc8a9f1 test1 2014-01-10 16:51:58 +01:00
Daniel Marjamäki acb103e214 value flow: skip scopes that don't contain variable 2014-01-10 16:13:39 +01:00
Daniel Marjamäki d085705e8f value flow: assume that value of global const variable is not changed 2014-01-10 05:47:56 +01:00
Daniel Marjamäki 7c4a7ac3d5 value flow: starting to refactor CheckNullPointer::nullPointerDeRefThenCheck 2014-01-08 17:37:39 +01:00
Daniel Marjamäki a2fe1ebe92 value flow: pass result of bool operator to function 2014-01-08 16:17:47 +01:00
Daniel Marjamäki 6d22c9deaa value flow: if unsigned variable is compared against 1 with either >= or <= then assume it can have the value 0 2014-01-08 06:53:17 +01:00