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2011-10-26[analyzer] GenericNodeBuilder -> NodeBuilder.Anna Zaks
Remove GenericNodeBuilder and use a class inherited from NodeBuilder instead. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143057 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
2011-10-25[analyzer] Remove unused headers.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142945 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25[analyzer] Make branch for condition callback use CheckerContextAnna Zaks
Now, all the path sensitive checkers use CheckerContext! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142944 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25[analyze] Convert EndOfPath callback to use CheckerContextAnna Zaks
Get rid of the EndOfPathBuilder completely. Use the generic NodeBuilder to generate nodes. Enqueue the end of path frontier explicitly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142943 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25Implement support for dependent Microsoft __if_exists/__if_not_existsDouglas Gregor
statements. As noted in the documentation for the AST node, the semantics of __if_exists/__if_not_exists are somewhat different from the way Visual C++ implements them, because our parsed-template representation can't accommodate VC++ semantics without serious contortions. Hopefully this implementation is "good enough". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142901 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24[analyzer] Node builders cleanup + commentsAnna Zaks
Renamed PureNodeBuilder->StmtNodeBuilder. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142849 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24[analyzer] Remove the old StmtNodeBuilder.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142848 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24[analyzer] Completely remove the global Builder object.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142847 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24[analyzer] Remove more dependencies from global BuilderAnna Zaks
- OSAtomicChecker - ExprEngine::processStmt git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142846 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24[analyzer] Convert ExprEngine::visit() to use short lived builders.Anna Zaks
This commit removes the major functional dependency on the ExprEngine::Builder member variable. In some cases the code became more verbose. Particularly, we call takeNodes() and addNodes() to move responsibility for the nodes from one builder to another. This will get simplified later on. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142831 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24[analyzer] Convert VisitDeclStmt to use local node builder.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142830 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24[analyzer] Convert more functions (ex:evalBind()) to iterative buildersAnna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142829 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24[analyzer] Convert VisitUnaryOperator to use short lived Node buildersAnna Zaks
To convert iteratively, we take the nodes the local builder will process from the from the global builder and add the generated nodes after the short lived builder is done. PureStmtNodeBuilder is the one we should eventually use everywhere. Added Stmt index and Builder context as ExprEngine globals. To avoid passing them around. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142828 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24[analyzer] Use a temporary builder in CheckerContext.Anna Zaks
First step toward removing the global Stmt builder. Added several transitional methods (like takeNodes/addNodes). + Stop early if the set of exploded nodes for the next iteration is empty. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142827 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24[analyzer] Pass external Dst set to NodeBuilderAnna Zaks
This moves the responsibility for storing the output node set from the builder to the clients. The builder is just responsible for transforming an input set into the output set: {SrcSet/SrcNode} -> {Frontier}. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142826 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24Rename AnalysisContext to AnalysisDeclContext. Not only is this name more ↵Ted Kremenek
accurate, but it frees up the name AnalysisContext for other uses. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142782 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-23[analyzer] Remove LocationContext creation methods from AnalysisManager, and ↵Ted Kremenek
change clients to use AnalysisContext instead. WIP to remove/reduce ExprEngine's usage of AnalysisManager. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142739 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18[analyzer] Move predecessor into the NodeBuilder context.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142454 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18[analyzer] Make NodeBuilder and Pred node loosely coupledAnna Zaks
NodeBuilder should not assume it's dealing with a single predecessor. Remove predecessor getters. Modify the BranchNodeBuilder to not be responsible for doing auto-transitions (which depend on a predecessor). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142453 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18[analyzer] Remove StmtNodeBuilder from CheckerContextAnna Zaks
It now only depends on a generic NodeBuilder instead. As part of this change, make the generic node builder results finalized by default. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142452 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18[analyzer] Subclassing StmtBuilder from the NodeBuilderAnna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142451 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18[analyzer] Remove dead code.Anna Zaks
ExprEngineBuilders is not used. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142450 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18[analyzer] Modularize builder use in processBranch.Anna Zaks
Take advantage of the new builders for branch processing. As part of this change pass generic NodeBuilder (instead of BranchNodeBuilder) to the BranchCondition callback and remove the unused methods form BranchBuilder. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142448 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18[analyzer] Pull Pred out of NodeBuilderContext.Anna Zaks
Each builder will have a different one, so it doesn't make sense to keep it in the context. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142447 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18[analyzer] NodeBuilder Refactoring: Subclass BranchNodeBuilder from NodeBuilder.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142444 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18[analyzer] Node Builder refactoring: Introduce a simple Node Builder ↵Anna Zaks
responsible for generating the node frontier. Currently we have a bunch of different node builders which provide some common functionality but are difficult to refactor. Each builder generates nodes of different kinds and calculates the frontier nodes, which should be propagated to the next step (after the builder dies). Introduce a new NodeBuilder which provides very basic node generation facilities but takes care of the second problem. The idea is that all the other builders will eventually use it. Use this builder in CheckerContext instead of StmtNodeBuilder (the way the frontier is propagated to the StmtBuilder is a hack and will be removed later on). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142443 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Refactor static analyzer to use simpler interface to constant expression ↵Richard Smith
evaluation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141983 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Change operator<< for raw_ostream and NamedDecl to take a reference instead ↵Benjamin Kramer
of a pointer. Passing a pointer was a bad idea as it collides with the overload for void*. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141971 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11[analyzer] Remove an unused member variable.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141690 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11[analyzer] CheckerContext updates checkDst in it's destructor, so make sure ↵Anna Zaks
the object is destructed before checkDst is used. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141683 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11Initial implementation of __atomic_* (everything except __atomic_is_lock_free).Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141632 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-10[analyzer] Teach the static analyzer about CXXForRangeStmt. Patch by Jim ↵Ted Kremenek
Goodnow II! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141587 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-10Constant expression evaluation refactoring:Richard Smith
- Remodel Expr::EvaluateAsInt to behave like the other EvaluateAs* functions, and add Expr::EvaluateKnownConstInt to capture the current fold-or-assert behaviour. - Factor out evaluation of bitfield bit widths. - Fix a few places which would evaluate an expression twice: once to determine whether it is a constant expression, then again to get the value. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141561 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-07Provide basic static analyzer support for CXXTemporaryObjectExpr. Patch by ↵Ted Kremenek
Jim Goodnow II. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141433 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-07Remove AnalysisContext::getLiveVariables(), and introduce a templatized ↵Ted Kremenek
mechanism to lazily create analyses that are attached to AnalysisContext objects. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141425 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-07[analyzer] Previously, we were passing to CheckerContext enough info to ↵Anna Zaks
construct ProgramPoint and it would pass it to NodeBuilder, which in turn would construct the ProgramPoint. Simplify it by just passing the ProgramPoint to CheckerContext. The ProgramPoint can only change if a checker tags it, in which case, we create a copy with the given tag. (A step closer to making CheckerContext work with all node builders, not only StmtNodeBuilder.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141417 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-07ProgramPoint cleanup after the previous commit r141408 (remove the copy ↵Anna Zaks
constructor, mark withTag const). Move getProgramPoint() utility from CoreEngine.cpp into ProgramPoint. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141414 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-07Rename TagDecl::isDefinition -> isCompleteDefinitionJohn McCall
for better self-documenting code, since the semantics are subtly different from getDefinition(). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141355 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06[static analyzer] Fix crash in LiveVariables and Environment::getSVal() when ↵Ted Kremenek
analyzing C++ pointer-to-member calls. Fixes <rdar://problem/10243398>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141312 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06[analyzer] Remove the dependency on CheckerContext::getStmt() as well as the ↵Anna Zaks
method itself. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141262 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05[analyzer] OSAtomicChecker implements evalCall in a very invasive way - it ↵Anna Zaks
essentially simulates inlining of compareAndSwap() by means of setting the NodeBuilder flags and calling ExprEngine directly. This commit introduces a new callback just for this checker to unblock checker API cleanup. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141246 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-02Fix LiveVariables analysis bug with MaterializeTemporaryExpr and fix ↵Ted Kremenek
handling in ExprEngine. Fixes <rdar://problem/10201666>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140956 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-01Address PR10616. The crash has already been fixed by Ted in r140725, so just ↵Anna Zaks
refactor to use existing API + test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140932 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-30Fix crash when analyzing C++ code involving constant enums and switch ↵Ted Kremenek
statements (<rdar://problem/10202899>). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140844 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-30[analyzer] Add -analyzer-purge option which can take on multiple values, ↵Anna Zaks
remove -analyzer-purge=none. (Small refactor as well: move the work of constructing AnalysisManager from the callers to the class itself.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140838 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-28Check for empty predecessors for walking them.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140725 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-27Renaming PathDiagnosticClients.h to PathDiagnosticConsumers.h (issue 5397)David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140596 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-26Rename PathDiagnosticClient to PathDiagnosticConsumer as per issue 5397David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140492 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-25Rename Diagnostic to DiagnosticsEngine as per issue 5397David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140478 91177308-0d34-0410-b5e6-96231b3b80d8
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