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path: root/lib/StaticAnalyzer/Checkers/UnixAPIChecker.cpp
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2013-02-20Include llvm::Optional in clang/Basic/LLVM.hDavid Blaikie
Post-commit CR feedback from Jordan Rose regarding r175594. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175679 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-20Replace SVal llvm::cast support to be well-defined.David Blaikie
See r175462 for another example/more details. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175594 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Sort all of Clang's files under 'lib', and fix up the broken headersChandler Carruth
uncovered. This required manually correcting all of the incorrect main-module headers I could find, and running the new llvm/utils/sort_includes.py script over the files. I also manually added quite a few missing headers that were uncovered by shuffling the order or moving headers up to be main-module-headers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169237 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-01Include pruning and general cleanup.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169095 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02[analyzer] Rename 'EmitReport' to 'emitReport'.Jordan Rose
No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167275 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-30[analyzer] Warn about reallocf with an allocation size of 0, like realloc.Jordan Rose
Patch by Sean McBride! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166995 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-28[analyzer] Rename addTrackNullOrUndefValueVisitor to trackNullOrUndefValue.Jordan Rose
This helper function (in the clang::ento::bugreporter namespace) may add more than one visitor, but conceptually it's tracking a single use of a null or undefined value and should do so as best it can. Also, the BugReport parameter has been made a reference to underscore that it is non-optional. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162720 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-03[analyzer] When a symbol is null, we should track its constraints.Jordan Rose
Because of this, we would previously emit NO path notes when a parameter is constrained to null (because there are no stores). Now we show where we made the assumption, which is much more useful. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161280 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-23Fix a typo (the the => the)Sylvestre Ledru
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160622 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-10[analyzer] Guard against C++ member functions that look like system functions.Jordan Rose
C++ method calls and C function calls both appear as CallExprs in the AST. This was causing crashes for an object that had a 'free' method. <rdar://problem/11822244> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160029 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-05Require that all static analyzer issues have a category. As part of this ↵Ted Kremenek
change, consolidate some commonly used category strings into global references (more of this can be done, I just did a few). Fixes <rdar://problem/11191537>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154121 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[analyzer] Implement basic path diagnostic pruning based on "interesting" ↵Ted Kremenek
symbols and regions. Essentially, a bug centers around a story for various symbols and regions. We should only include the path diagnostic events that relate to those symbols and regions. The pruning is done by associating a set of interesting symbols and regions with a BugReporter, which can be modified at BugReport creation or by BugReporterVisitors. This patch reduces the diagnostics emitted in several of our test cases. I've vetted these as having desired behavior. The only regression is a missing null check diagnostic for the return value of realloc() in test/Analysis/malloc-plist.c. This will require some investigation to fix, and I have added a FIXME to the test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152361 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-05Basic: import SmallString<> into clang namespaceDylan Noblesmith
(I was going to fix the TODO about DenseMap too, but that would break self-host right now. See PR11922.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149799 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-05Basic: import OwningPtr<> into clang namespaceDylan Noblesmith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149798 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-04Move a method from IdentifierTable.h out of line and remove the SmallString ↵Benjamin Kramer
include. Fix all the transitive include users. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149783 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-04Move various diagnostic operator<< overloads out of line and remove includes ↵Benjamin Kramer
of Diagnostic.h. Fix all the files that depended on transitive includes of Diagnostic.h. With this patch in place changing a diagnostic no longer requires a full rebuild of the StaticAnalyzer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149781 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Change references to 'const ProgramState *' to typedef 'ProgramStateRef'.Ted Kremenek
At this point this is largely cosmetic, but it opens the door to replace ProgramStateRef with a smart pointer that more eagerly acts in the role of reclaiming unused ProgramState objects. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149081 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-11"This change adds alloca/valloc checks to UnixAPIChecker. It includes a ↵Ted Kremenek
small refactoring for the common *alloc functions as well as a few tiny wibbles (adds a note to CWE/CERT advisory numbers in the bug output, and fixes a couple 80-column-wide violations.)" Patch by Austin Seipp! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147931 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-06[analyzer] Make the entries in 'Environment' context-sensitive by making ↵Ted Kremenek
entries map from (Stmt*,LocationContext*) pairs to SVals instead of Stmt* to SVals. This is needed to support basic IPA via inlining. Without this, we cannot tell if a Stmt* binding is part of the current analysis scope (StackFrameContext) or part of a parent context. This change introduces an uglification of the use of getSVal(), and thus takes two steps forward and one step back. There are also potential performance implications of enlarging the Environment. Both can be addressed going forward by refactoring the APIs and optimizing the internal representation of Environment. This patch mainly introduces the functionality upon when we want to build upon (and clean up). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147688 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-03Enhance UnixAPIChecker to also warn about zero-sized allocations to calloc() ↵Ted Kremenek
and realloc(). Patch by Cyril Roelandt! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147500 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-01[analyzer] Refactor checkers to use helper function for getting callee Decl ↵Anna Zaks
and name. We are getting name of the called function or it's declaration in a few checkers. Refactor them to use the helper function in the CheckerContext. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145576 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26[analyzer] Rename generateNode -> addTransition in CheckerContextAnna Zaks
Also document addTransition methods. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143059 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25[analyzer] Simplify CheckerContextAnna Zaks
Remove dead members/parameters: ProgramState, respondsToCallback, autoTransition. Remove addTransition method since it's the same as generateNode. Maybe we should rename generateNode to genTransition (since a transition is always automatically generated)? git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142946 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-02Extend the ASTContext constructor to delay the initialization ofDouglas Gregor
builtin types (When requested). This is another step toward making ASTUnit build the ASTContext as needed when loading an AST file, rather than doing so after the fact. No actual functionality change (yet). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138985 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-19Static Analyzer Diagnostics: Kill the addVisitorCreator(callbackTy, void*) ↵Anna Zaks
API in favor of addVisitor(BugReporterVisitor*). 1) Create a header file to expose the predefined visitors. And move the parent(BugReporterVisitor) there as well. 2) Remove the registerXXXVisitor functions - the Visitor constructors/getters can be used now to create the object. One exception is registerVarDeclsLastStore(), which registers more then one visitor, so make it static member of FindLastStoreBRVisitor. 3) Modify all the checkers to use the new API. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138126 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Remove EnhancedBugReport and RangedBugReport - pull all the extra ↵Anna Zaks
functionality they provided into their parent BugReport. The only functional changes are: made getRanges() non const - it adds default range to Ranges if none are supplied, made getStmt() private, which was another FIXME. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137894 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-15Rename GRState to ProgramState, and cleanup some code formatting along the way.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137665 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-15Clean up UnixAPIChecker, including switching its array of BugTypes to ↵Jordy Rose
llvm::OwningPtr<BugType> vars (the new convention). No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135255 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-01[analyzer] Rename CheckerV2 -> Checker.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126726 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23[analyzer] Migrate to CheckerV2:Argyrios Kyrtzidis
CastToStructChecker FixedAddressChecker MacOSXAPIChecker PointerArithChecker PointerSubChecker PthreadLockChecker UnixAPIChecker git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126284 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-17[analyzer] Pass CheckerManager to the registration functions.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125777 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-15[analyzer] Use the new registration mechanism on some of the internal ↵Argyrios Kyrtzidis
checks. These are: StackAddrLeakChecker ObjCAtSyncChecker UnixAPIChecker MacOSXAPIChecker The rest have/create implicit dependencies between checkers and need to be handled differently. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125559 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-10Split 'include/clang/StaticAnalyzer' into ↵Ted Kremenek
'include/clang/StaticAnalyzer/Core' and 'include/clang/StaticAnalyzer/Checkers'. This layout matches lib/StaticAnalyzer, which corresponds to two StaticAnalyzer libraries. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125251 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-08[analyzer] lib/StaticAnalyzer/Checkers/ExprEngineInternalChecks.h -> ↵Argyrios Kyrtzidis
lib/StaticAnalyzer/Checkers/InternalChecks.h git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125121 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-23Chris Lattner has strong opinions about directoryTed Kremenek
layout. :) Rename the 'EntoSA' directories to 'StaticAnalyzer'. Internally we will still use the 'ento' namespace for the analyzer engine (unless there are further sabre rattlings...). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122514 91177308-0d34-0410-b5e6-96231b3b80d8
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