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path: root/lib/StaticAnalyzer/Core/SVals.cpp
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2012-04-05[analyzer] Remove redundant if statement (pointed out by Ted).Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154075 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-16[analyzer] +CommentsAnna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152961 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-17Remove unnecessary default cases in switches over enums.David Blaikie
This allows -Wswitch-enum to find switches that need updating when these enums are modified. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148281 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-06[analyzer] Refactor: Move symbol_iterator from SVal to SymExpr, use itAnna Zaks
for finding dependent symbols for taint. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145986 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-06[analyzer] Propagate taint through NonLoc to NonLoc casts.Anna Zaks
- Created a new SymExpr type - SymbolCast. - SymbolCast is created when we don't know how to simplify a NonLoc to NonLoc casts. - A bit of code refactoring: introduced dispatchCast to have better code reuse, remove a goto. - Updated the test case to showcase the new taint flow. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145985 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-05[analyzer] Unify SymbolVal and SymExprVal under a single SymbolValAnna Zaks
class. We are going into the direction of handling SymbolData and other SymExpr uniformly, so it makes less sense to keep two different SVal classes. For example, the checkers would have to take an extra step to reason about each type separately. The classes have the same members, we were just using the SVal kind field for easy differentiation in 3 switch statements. The switch statements look more ugly now, but we can make the code more readable in other ways, for example, moving some code into separate functions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145833 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-05[analyzer] First step toward removingAnna Zaks
ConstraintManager::canReasonAbout() from the ExprEngine. ExprEngine should not care if the constraint solver can reason about something or not. The solver should be able to handle all the SymExprs. To do this, the solver should be able to keep track of not only the SymbolData but of all SymExprs. This is why we change SymbolRef to be an alias of SymExpr*. When encountering an expression it cannot simplify, the solver should just add the constraints to it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145831 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-17[analyzer] Add a helper method.Anna Zaks
Naming could be improved.. But we should first rename the classes in the SVal hierarchy. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144927 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-16[analyzer] Cleanup: Null->0, comments.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144823 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-23Removing a bunch of dead returns/breaks after llvm_unreachables.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140407 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-23Switch assert(0/false) llvm_unreachable.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140367 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
2011-08-12Cleanup various declarations of 'Stmt*' to be 'Stmt *', etc. in libAnalyzer ↵Ted Kremenek
and libStaticAnalyzer[*]. It was highly inconsistent, and very ugly to look at. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137537 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23remove unneeded llvm:: namespace qualifiers on some core types now that ↵Chris Lattner
LLVM.h imports them into the clang namespace. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135852 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-01[analyzer] Remove SVal::getAsVarDecl() and reason about MemRegions, not ↵Argyrios Kyrtzidis
Decls. Suggestion by Ted! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126734 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-28[analyzer] Introduce SVal::getAsVarDecl().Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126627 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-17Step #1/N of implementing support for __label__: split labels intoChris Lattner
LabelDecl and LabelStmt. There is a 1-1 correspondence between the two, but this simplifies a bunch of code by itself. This is because labels are the only place where we previously had references to random other statements, causing grief for AST serialization and other stuff. This does cause one regression (attr(unused) doesn't silence unused label warnings) which I'll address next. This does fix some minor bugs: 1. "The only valid attribute " diagnostic was capitalized. 2. Various diagnostics printed as ''labelname'' instead of 'labelname' 3. This reduces duplication of label checking between functions and blocks. Review appreciated, particularly for the cindex and template bits. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125733 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-16Makes most methods in SVals.h conform to the naming guide. ReviewedZhanyong Wan
by kremenek. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125687 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] Move the files in lib/StaticAnalyzer to lib/StaticAnalyzer/Core.Argyrios Kyrtzidis
Eventually there will also be a lib/StaticAnalyzer/Frontend that will handle initialization and checker registration. Yet another library to avoid cyclic dependencies between Core and Checkers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125124 91177308-0d34-0410-b5e6-96231b3b80d8
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