diff options
Diffstat (limited to 'lib/StaticAnalyzer/Core/ExprEngine.cpp')
-rw-r--r-- | lib/StaticAnalyzer/Core/ExprEngine.cpp | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/lib/StaticAnalyzer/Core/ExprEngine.cpp b/lib/StaticAnalyzer/Core/ExprEngine.cpp index 8ad5a3dbde..789abb7d86 100644 --- a/lib/StaticAnalyzer/Core/ExprEngine.cpp +++ b/lib/StaticAnalyzer/Core/ExprEngine.cpp @@ -1344,6 +1344,34 @@ void ExprEngine::processBranch(const Stmt *Condition, const Stmt *Term, currBldrCtx = 0; } +/// The GDM component containing the set of global variables which have been +/// previously initialized with explicit initializers. +REGISTER_TRAIT_WITH_PROGRAMSTATE(InitializedGlobalsSet, + llvm::ImmutableSet<const VarDecl *>) + +void ExprEngine::processStaticInitializer(const DeclStmt *DS, + NodeBuilderContext &BuilderCtx, + ExplodedNode *Pred, + clang::ento::ExplodedNodeSet &Dst, + const CFGBlock *DstT, + const CFGBlock *DstF) { + currBldrCtx = &BuilderCtx; + + const VarDecl *VD = cast<VarDecl>(DS->getSingleDecl()); + ProgramStateRef state = Pred->getState(); + bool initHasRun = state->contains<InitializedGlobalsSet>(VD); + BranchNodeBuilder builder(Pred, Dst, BuilderCtx, DstT, DstF); + + if (!initHasRun) { + state = state->add<InitializedGlobalsSet>(VD); + } + + builder.generateNode(state, initHasRun, Pred); + builder.markInfeasible(!initHasRun); + + currBldrCtx = 0; +} + /// processIndirectGoto - Called by CoreEngine. Used to generate successor /// nodes by processing the 'effects' of a computed goto jump. void ExprEngine::processIndirectGoto(IndirectGotoNodeBuilder &builder) { |