Commit Graph

78 Commits

Author SHA1 Message Date
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