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2015-07-20Fix detection for normal variables as pointers.Andrei Karas1-2/+5
2015-07-20Fix handling "var = new Type" if Type have virtual destructor.Andrei Karas1-14/+45
2015-07-20Improve call function handling.Andrei Karas2-22/+34
2015-07-20Detect what variable is null after if with both branches set variable to ↵Andrei Karas1-0/+8
null value.
2015-07-20Allow detect if variable was assigned nullptr.Andrei Karas1-0/+5
2015-07-20Detect what variable is non null after if with both branches set variable to ↵Andrei Karas1-1/+13
non null value.
2015-07-20Add ability for detect what variable will be non null after if block (in ↵Andrei Karas3-5/+21
else branch)
2015-07-20If in if/while body changed any variable, outside of body it removed from ↵Andrei Karas3-0/+16
known null vars.
2015-07-19Handle situation like this: "type var = nullptr". Here var will be known as ↵Andrei Karas3-0/+16
nulled variable.
2015-07-19Fix ability for detect what variable will be non null after while block.Andrei Karas1-1/+3
2015-07-19Add ability for detect what variable will be non null after if block.Andrei Karas3-0/+41
Example: if (!ptr) { ptr1 = new data; } // here ptr1 always non null
2015-07-18Fix detecting sub nodes in MODIFY_EXPR.Andrei Karas1-3/+6
Was missing skipNop call.
2015-07-13Add ability to detect return from operator new as non null pointer.Andrei Karas1-1/+3
It allow this example: int ptr = new int[10]; // paranucker work with ptr here as with non null pointer
2015-07-10Fix false positive like this: ptr = ptr->val;Andrei Karas1-4/+9
2015-07-10Add analysis for CONTINUE_STMT node.Andrei Karas5-4/+29
2015-07-10Unlink assigned variable in if/while body.Andrei Karas2-10/+19
2015-07-10Fix false positives in second check in while condition.Andrei Karas1-0/+2
2015-07-10Disable check for useless checks in second check in while condition.Andrei Karas4-7/+22
This fix false positive in this example: while(ptr) { ... }
2015-07-10In WHILE_STMT also check condition after while body.Andrei Karas1-0/+5
This allow detect issue like this: if (!ptr) return; while (ptr->num) { ... ptr = someothervalue; }
2015-07-10Add ability to check variables assigned in if/while and check outside of ↵Andrei Karas3-22/+20
this block.
2015-07-08Add WHILE_STMT node analysis.Andrei Karas5-1/+119
This add basic support for while(exprt) {code}
2015-07-06Allow parse function type attributes in FUNCTION_TYPE always.Andrei Karas2-2/+2
2015-07-06Track variable for checking null pointer assigned from function call only if ↵Andrei Karas11-8/+52
function return pointer. Update METHOD_TYPE for always parse function return type.
2015-07-06Add way to track variables if to it was assigned function result.Andrei Karas6-11/+129
2015-07-05Add non null function arguments to knownVars and knownNonNullVars collections.Andrei Karas1-1/+5
2015-07-05Remove old commented code from statement analysis.Andrei Karas1-20/+0
2015-07-05Fix analysis for BIND_EPXR nodes.Andrei Karas2-3/+3
2015-07-04Fix false positive in complex conditions like if (expr1 || expr2 || expr3)Andrei Karas1-23/+7
2015-07-04Fix most issues with linked vars.Andrei Karas3-33/+99
2015-07-03Fix some issues with linked vars.Andrei Karas3-51/+80
2015-07-03Add to debug pseudo function collections linkedVars and linkedReverseVars.Andrei Karas1-4/+53
2015-07-03Remove all variables from knownVars if both branches in if returned.Andrei Karas1-1/+3
2015-07-03Fix collections after IF_STMT or other conditions.Andrei Karas3-14/+34
Still broken linked vars and using just checked pointer in expression.
2015-07-03Fix warning about wrong internal collection.Andrei Karas1-1/+1
2015-07-03Add incomplete implimentation for checkedElse* sets.Andrei Karas7-14/+75
2015-07-03Rename checkedNullVars into checkedThenNullVars and checkedNonNullVars into ↵Andrei Karas7-77/+78
checkedThenNonNullVars.
2015-07-03Try to fix false positives. Still not all issues fixed.Andrei Karas5-17/+70
2015-07-02If add new variable into linked vars, add it also to knownVars set.Andrei Karas1-0/+1
2015-07-02Add into function for linking variables also update for knownVars sets.Andrei Karas2-3/+26
2015-07-02Remove variable from checked vars if variable assigned unknown expression.Andrei Karas1-10/+20
For now it can be call to function or some complicated expression.
2015-07-02Ignore analysis for node CALL_EXPR if enabled plugin command findargs.Andrei Karas1-0/+3
2015-07-02Remove var from knownVars collections if to var assigned "garbage" value.Andrei Karas1-0/+3
2015-07-02Fix knownVars collection again.Andrei Karas1-4/+10
2015-07-02Fix knownVars collections after exit from IF_STMT with return in some/all ↵Andrei Karas1-1/+8
branches.
2015-07-01Some fixes for known vars collections.Andrei Karas2-3/+11
2015-07-01Add way for check internall collections by pseudo function call from code.Andrei Karas6-0/+241
2015-07-01Move collection manipulation functions into separate file.Andrei Karas7-166/+237
2015-07-01Move report functions into separate file.Andrei Karas8-112/+189
2015-07-01Add macroses isIn and IsNotIn.Andrei Karas5-34/+40
2015-07-01Report useless checks if variable was checked for null and non null in all ↵Andrei Karas1-3/+6
cases.
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