diff options
author | Ted Kremenek <kremenek@apple.com> | 2012-08-22 06:26:15 +0000 |
---|---|---|
committer | Ted Kremenek <kremenek@apple.com> | 2012-08-22 06:26:15 +0000 |
commit | 66c486f275531df6362b3511fc3af6563561801b (patch) | |
tree | 9791eb99f6150eb0cb83f86533edb035bdf01d5c /lib/StaticAnalyzer/Core/ExprEngine.cpp | |
parent | 3b1df8bb941a18c4a7256d7cfcbccb9de7e39995 (diff) |
Rename 'currentX' to 'currX' throughout analyzer and libAnalysis.
Also rename 'getCurrentBlockCounter()' to 'blockCount()'.
This ripples a bunch of code simplifications; mostly aesthetic,
but makes the code a bit tighter.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162349 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/StaticAnalyzer/Core/ExprEngine.cpp')
-rw-r--r-- | lib/StaticAnalyzer/Core/ExprEngine.cpp | 70 |
1 files changed, 35 insertions, 35 deletions
diff --git a/lib/StaticAnalyzer/Core/ExprEngine.cpp b/lib/StaticAnalyzer/Core/ExprEngine.cpp index c3ae305098..a77a338b27 100644 --- a/lib/StaticAnalyzer/Core/ExprEngine.cpp +++ b/lib/StaticAnalyzer/Core/ExprEngine.cpp @@ -67,7 +67,7 @@ ExprEngine::ExprEngine(AnalysisManager &mgr, bool gcEnabled, SymMgr(StateMgr.getSymbolManager()), svalBuilder(StateMgr.getSValBuilder()), EntryNode(NULL), - currentStmt(NULL), currentStmtIdx(0), currentBuilderContext(0), + currStmt(NULL), currStmtIdx(0), currBldrCtx(0), NSExceptionII(NULL), NSExceptionInstanceRaiseSelectors(NULL), RaiseSel(GetNullarySelector("raise", getContext())), ObjCGCEnabled(gcEnabled), BR(mgr, *this) { @@ -200,8 +200,8 @@ void ExprEngine::processEndWorklist(bool hasWorkRemaining) { void ExprEngine::processCFGElement(const CFGElement E, ExplodedNode *Pred, unsigned StmtIdx, NodeBuilderContext *Ctx) { - currentStmtIdx = StmtIdx; - currentBuilderContext = Ctx; + currStmtIdx = StmtIdx; + currBldrCtx = Ctx; switch (E.getKind()) { case CFGElement::Invalid: @@ -219,7 +219,7 @@ void ExprEngine::processCFGElement(const CFGElement E, ExplodedNode *Pred, ProcessImplicitDtor(*E.getAs<CFGImplicitDtor>(), Pred); return; } - currentBuilderContext = 0; + currBldrCtx = 0; } static bool shouldRemoveDeadBindings(AnalysisManager &AMgr, @@ -276,7 +276,7 @@ void ExprEngine::removeDead(ExplodedNode *Pred, ExplodedNodeSet &Out, // Generate a CleanedNode that has the environment and store cleaned // up. Since no symbols are dead, we can optimize and not clean out // the constraint manager. - StmtNodeBuilder Bldr(Pred, Out, *currentBuilderContext); + StmtNodeBuilder Bldr(Pred, Out, *currBldrCtx); Bldr.generateNode(DiagnosticStmt, Pred, CleanedState, &cleanupTag, K); } else { @@ -289,7 +289,7 @@ void ExprEngine::removeDead(ExplodedNode *Pred, ExplodedNodeSet &Out, // For each node in CheckedSet, generate CleanedNodes that have the // environment, the store, and the constraints cleaned up but have the // user-supplied states as the predecessors. - StmtNodeBuilder Bldr(CheckedSet, Out, *currentBuilderContext); + StmtNodeBuilder Bldr(CheckedSet, Out, *currBldrCtx); for (ExplodedNodeSet::const_iterator I = CheckedSet.begin(), E = CheckedSet.end(); I != E; ++I) { ProgramStateRef CheckerState = (*I)->getState(); @@ -319,17 +319,17 @@ void ExprEngine::ProcessStmt(const CFGStmt S, // Reclaim any unnecessary nodes in the ExplodedGraph. G.reclaimRecentlyAllocatedNodes(); - currentStmt = S.getStmt(); + currStmt = S.getStmt(); PrettyStackTraceLoc CrashInfo(getContext().getSourceManager(), - currentStmt->getLocStart(), + currStmt->getLocStart(), "Error evaluating statement"); // Remove dead bindings and symbols. EntryNode = Pred; ExplodedNodeSet CleanedStates; if (shouldRemoveDeadBindings(AMgr, S, Pred, EntryNode->getLocationContext())){ - removeDead(EntryNode, CleanedStates, currentStmt, - Pred->getLocationContext(), currentStmt); + removeDead(EntryNode, CleanedStates, currStmt, + Pred->getLocationContext(), currStmt); } else CleanedStates.Add(EntryNode); @@ -339,23 +339,23 @@ void ExprEngine::ProcessStmt(const CFGStmt S, E = CleanedStates.end(); I != E; ++I) { ExplodedNodeSet DstI; // Visit the statement. - Visit(currentStmt, *I, DstI); + Visit(currStmt, *I, DstI); Dst.insert(DstI); } // Enqueue the new nodes onto the work list. - Engine.enqueue(Dst, currentBuilderContext->getBlock(), currentStmtIdx); + Engine.enqueue(Dst, currBldrCtx->getBlock(), currStmtIdx); // NULL out these variables to cleanup. CleanedState = NULL; EntryNode = NULL; - currentStmt = 0; + currStmt = 0; } void ExprEngine::ProcessInitializer(const CFGInitializer Init, ExplodedNode *Pred) { ExplodedNodeSet Dst; - NodeBuilder Bldr(Pred, Dst, *currentBuilderContext); + NodeBuilder Bldr(Pred, Dst, *currBldrCtx); ProgramStateRef State = Pred->getState(); @@ -365,7 +365,7 @@ void ExprEngine::ProcessInitializer(const CFGInitializer Init, BMI->getSourceLocation(), "Error evaluating initializer"); - // We don't set EntryNode and currentStmt. And we don't clean up state. + // We don't set EntryNode and currStmt. And we don't clean up state. const StackFrameContext *stackFrame = cast<StackFrameContext>(Pred->getLocationContext()); const CXXConstructorDecl *decl = @@ -399,7 +399,7 @@ void ExprEngine::ProcessInitializer(const CFGInitializer Init, Bldr.generateNode(PP, State, Pred); // Enqueue the new nodes onto the work list. - Engine.enqueue(Dst, currentBuilderContext->getBlock(), currentStmtIdx); + Engine.enqueue(Dst, currBldrCtx->getBlock(), currStmtIdx); } void ExprEngine::ProcessImplicitDtor(const CFGImplicitDtor D, @@ -423,7 +423,7 @@ void ExprEngine::ProcessImplicitDtor(const CFGImplicitDtor D, } // Enqueue the new nodes onto the work list. - Engine.enqueue(Dst, currentBuilderContext->getBlock(), currentStmtIdx); + Engine.enqueue(Dst, currBldrCtx->getBlock(), currStmtIdx); } void ExprEngine::ProcessAutomaticObjDtor(const CFGAutomaticObjDtor Dtor, @@ -487,7 +487,7 @@ void ExprEngine::Visit(const Stmt *S, ExplodedNode *Pred, S->getLocStart(), "Error evaluating statement"); ExplodedNodeSet Dst; - StmtNodeBuilder Bldr(Pred, DstTop, *currentBuilderContext); + StmtNodeBuilder Bldr(Pred, DstTop, *currBldrCtx); // Expressions to ignore. if (const Expr *Ex = dyn_cast<Expr>(S)) @@ -497,7 +497,7 @@ void ExprEngine::Visit(const Stmt *S, ExplodedNode *Pred, // this check when we KNOW that there is no block-level subexpression. // The motivation is that this check requires a hashtable lookup. - if (S != currentStmt && Pred->getLocationContext()->getCFG()->isBlkExpr(S)) + if (S != currStmt && Pred->getLocationContext()->getCFG()->isBlkExpr(S)) return; switch (S->getStmtClass()) { @@ -525,7 +525,7 @@ void ExprEngine::Visit(const Stmt *S, ExplodedNode *Pred, case Stmt::LambdaExprClass: case Stmt::SEHFinallyStmtClass: { const ExplodedNode *node = Bldr.generateSink(S, Pred, Pred->getState()); - Engine.addAbortedBlock(node, currentBuilderContext->getBlock()); + Engine.addAbortedBlock(node, currBldrCtx->getBlock()); break; } @@ -640,7 +640,7 @@ void ExprEngine::Visit(const Stmt *S, ExplodedNode *Pred, getCheckerManager().runCheckersForPreStmt(preVisit, Pred, S, *this); ExplodedNodeSet Tmp; - StmtNodeBuilder Bldr2(preVisit, Tmp, *currentBuilderContext); + StmtNodeBuilder Bldr2(preVisit, Tmp, *currBldrCtx); const Expr *Ex = cast<Expr>(S); QualType resultType = Ex->getType(); @@ -650,7 +650,7 @@ void ExprEngine::Visit(const Stmt *S, ExplodedNode *Pred, ExplodedNode *N = *it; const LocationContext *LCtx = N->getLocationContext(); SVal result = svalBuilder.conjureSymbolVal(0, Ex, LCtx, resultType, - currentBuilderContext->getCurrentBlockCount()); + currBldrCtx->blockCount()); ProgramStateRef state = N->getState()->BindExpr(Ex, LCtx, result); Bldr2.generateNode(S, N, state); } @@ -1027,7 +1027,7 @@ void ExprEngine::processCFGBlockEntrance(const BlockEdge &L, // FIXME: Refactor this into a checker. ExplodedNode *pred = nodeBuilder.getContext().getPred(); - if (nodeBuilder.getContext().getCurrentBlockCount() >= AMgr.getMaxVisit()) { + if (nodeBuilder.getContext().blockCount() >= AMgr.getMaxVisit()) { static SimpleProgramPointTag tag("ExprEngine : Block count exceeded"); const ExplodedNode *Sink = nodeBuilder.generateSink(pred->getState(), pred, &tag); @@ -1147,7 +1147,7 @@ void ExprEngine::processBranch(const Stmt *Condition, const Stmt *Term, ExplodedNodeSet &Dst, const CFGBlock *DstT, const CFGBlock *DstF) { - currentBuilderContext = &BldCtx; + currBldrCtx = &BldCtx; // Check for NULL conditions; e.g. "for(;;)" if (!Condition) { @@ -1230,7 +1230,7 @@ void ExprEngine::processBranch(const Stmt *Condition, const Stmt *Term, builder.markInfeasible(false); } } - currentBuilderContext = 0; + currBldrCtx = 0; } /// processIndirectGoto - Called by CoreEngine. Used to generate successor @@ -1396,7 +1396,7 @@ void ExprEngine::processSwitch(SwitchNodeBuilder& builder) { void ExprEngine::VisitCommonDeclRefExpr(const Expr *Ex, const NamedDecl *D, ExplodedNode *Pred, ExplodedNodeSet &Dst) { - StmtNodeBuilder Bldr(Pred, Dst, *currentBuilderContext); + StmtNodeBuilder Bldr(Pred, Dst, *currBldrCtx); ProgramStateRef state = Pred->getState(); const LocationContext *LCtx = Pred->getLocationContext(); @@ -1452,7 +1452,7 @@ void ExprEngine::VisitLvalArraySubscriptExpr(const ArraySubscriptExpr *A, ExplodedNodeSet checkerPreStmt; getCheckerManager().runCheckersForPreStmt(checkerPreStmt, Pred, A, *this); - StmtNodeBuilder Bldr(checkerPreStmt, Dst, *currentBuilderContext); + StmtNodeBuilder Bldr(checkerPreStmt, Dst, *currBldrCtx); for (ExplodedNodeSet::iterator it = checkerPreStmt.begin(), ei = checkerPreStmt.end(); it != ei; ++it) { @@ -1471,7 +1471,7 @@ void ExprEngine::VisitLvalArraySubscriptExpr(const ArraySubscriptExpr *A, void ExprEngine::VisitMemberExpr(const MemberExpr *M, ExplodedNode *Pred, ExplodedNodeSet &TopDst) { - StmtNodeBuilder Bldr(Pred, TopDst, *currentBuilderContext); + StmtNodeBuilder Bldr(Pred, TopDst, *currBldrCtx); ExplodedNodeSet Dst; Decl *member = M->getMemberDecl(); @@ -1556,7 +1556,7 @@ void ExprEngine::evalBind(ExplodedNodeSet &Dst, const Stmt *StoreE, } ExplodedNodeSet TmpDst; - StmtNodeBuilder Bldr(CheckedSet, TmpDst, *currentBuilderContext); + StmtNodeBuilder Bldr(CheckedSet, TmpDst, *currBldrCtx); const LocationContext *LC = Pred->getLocationContext(); for (ExplodedNodeSet::iterator I = CheckedSet.begin(), E = CheckedSet.end(); @@ -1666,7 +1666,7 @@ void ExprEngine::evalLoadCommon(ExplodedNodeSet &Dst, if (Tmp.empty()) return; - StmtNodeBuilder Bldr(Tmp, Dst, *currentBuilderContext); + StmtNodeBuilder Bldr(Tmp, Dst, *currBldrCtx); if (location.isUndef()) return; @@ -1700,7 +1700,7 @@ void ExprEngine::evalLocation(ExplodedNodeSet &Dst, SVal location, const ProgramPointTag *tag, bool isLoad) { - StmtNodeBuilder BldrTop(Pred, Dst, *currentBuilderContext); + StmtNodeBuilder BldrTop(Pred, Dst, *currBldrCtx); // Early checks for performance reason. if (location.isUnknown()) { return; @@ -1708,7 +1708,7 @@ void ExprEngine::evalLocation(ExplodedNodeSet &Dst, ExplodedNodeSet Src; BldrTop.takeNodes(Pred); - StmtNodeBuilder Bldr(Pred, Src, *currentBuilderContext); + StmtNodeBuilder Bldr(Pred, Src, *currBldrCtx); if (Pred->getState() != state) { // Associate this new state with an ExplodedNode. // FIXME: If I pass null tag, the graph is incorrect, e.g for @@ -1738,7 +1738,7 @@ ExprEngine::getEagerlyAssumeTags() { void ExprEngine::evalEagerlyAssume(ExplodedNodeSet &Dst, ExplodedNodeSet &Src, const Expr *Ex) { - StmtNodeBuilder Bldr(Src, Dst, *currentBuilderContext); + StmtNodeBuilder Bldr(Src, Dst, *currBldrCtx); for (ExplodedNodeSet::iterator I=Src.begin(), E=Src.end(); I!=E; ++I) { ExplodedNode *Pred = *I; @@ -1776,7 +1776,7 @@ void ExprEngine::evalEagerlyAssume(ExplodedNodeSet &Dst, ExplodedNodeSet &Src, void ExprEngine::VisitAsmStmt(const AsmStmt *A, ExplodedNode *Pred, ExplodedNodeSet &Dst) { - StmtNodeBuilder Bldr(Pred, Dst, *currentBuilderContext); + StmtNodeBuilder Bldr(Pred, Dst, *currBldrCtx); // We have processed both the inputs and the outputs. All of the outputs // should evaluate to Locs. Nuke all of their values. @@ -1800,7 +1800,7 @@ void ExprEngine::VisitAsmStmt(const AsmStmt *A, ExplodedNode *Pred, void ExprEngine::VisitMSAsmStmt(const MSAsmStmt *A, ExplodedNode *Pred, ExplodedNodeSet &Dst) { - StmtNodeBuilder Bldr(Pred, Dst, *currentBuilderContext); + StmtNodeBuilder Bldr(Pred, Dst, *currBldrCtx); Bldr.generateNode(A, Pred, Pred->getState()); } |