forked from OSchip/llvm-project
add a bunch of routine methods to AnalysisContext.
llvm-svn: 77961
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129bb4165f
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9ad0b46a80
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@ -65,32 +65,77 @@ public:
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private:
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ContextKind Kind;
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LocationContext *Parent;
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AnalysisContext *Ctx;
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LocationContext *Parent;
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protected:
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LocationContext(ContextKind k, LocationContext *parent, AnalysisContext *ctx)
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: Kind(k), Parent(parent), Ctx(ctx) {}
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LocationContext(ContextKind k, AnalysisContext *ctx, LocationContext *parent)
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: Kind(k), Ctx(ctx), Parent(parent) {}
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public:
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ContextKind getKind() const { return Kind; }
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AnalysisContext *getAnalysisContext() const { return Ctx; }
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LocationContext *getParent() const { return Parent; }
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void Profile(llvm::FoldingSetNodeID &ID) {
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Profile(ID, Kind, Ctx, Parent);
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}
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static void Profile(llvm::FoldingSetNodeID &ID, ContextKind k,
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AnalysisContext *ctx, LocationContext *parent);
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static bool classof(const LocationContext*) { return true; }
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};
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class StackFrameContext : public LocationContext {
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Stmt *CallSite;
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public:
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StackFrameContext(Stmt *s, LocationContext *parent, AnalysisContext *ctx)
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: LocationContext(StackFrame, parent, ctx), CallSite(s) {}
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StackFrameContext(AnalysisContext *ctx, LocationContext *parent, Stmt *s)
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: LocationContext(StackFrame, ctx, parent), CallSite(s) {}
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void Profile(llvm::FoldingSetNodeID &ID) {
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Profile(ID, getAnalysisContext(), getParent(), CallSite);
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}
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static void Profile(llvm::FoldingSetNodeID &ID, AnalysisContext *ctx,
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LocationContext *parent, Stmt *s);
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static bool classof(const LocationContext* Ctx) {
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return Ctx->getKind() == StackFrame;
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}
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};
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class ScopeContext : public LocationContext {
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Stmt *Enter;
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public:
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ScopeContext(Stmt *s, LocationContext *parent, AnalysisContext *ctx)
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: LocationContext(Scope, parent, ctx), Enter(s) {}
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ScopeContext(AnalysisContext *ctx, LocationContext *parent, Stmt *s)
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: LocationContext(Scope, ctx, parent), Enter(s) {}
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void Profile(llvm::FoldingSetNodeID &ID) {
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Profile(ID, getAnalysisContext(), getParent(), Enter);
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}
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static void Profile(llvm::FoldingSetNodeID &ID, AnalysisContext *ctx,
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LocationContext *parent, Stmt *s);
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static bool classof(const LocationContext* Ctx) {
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return Ctx->getKind() == Scope;
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}
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};
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class LocationContextManager {
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llvm::FoldingSet<LocationContext> Contexts;
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public:
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StackFrameContext *getStackFrame(AnalysisContext *ctx,LocationContext *parent,
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Stmt *s);
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ScopeContext *getScope(AnalysisContext *ctx,LocationContext *parent, Stmt *s);
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};
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}
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@ -23,7 +23,9 @@ namespace clang {
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class AnalysisManager : public BugReporterData {
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AnalysisContextManager ContextMgr;
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AnalysisContext *CurrentContext;
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AnalysisContext *RootContext;
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LocationContextManager LocCtxMgr;
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ASTContext &Ctx;
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Diagnostic &Diags;
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@ -57,7 +59,7 @@ public:
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VisualizeEGDot(vizdot), VisualizeEGUbi(vizubi), PurgeDead(purge),
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EagerlyAssume(eager), TrimGraph(trim) {
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CurrentContext = ContextMgr.getContext(d);
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RootContext = ContextMgr.getContext(d);
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}
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AnalysisManager(ASTContext &ctx, Diagnostic &diags,
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@ -73,21 +75,21 @@ public:
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VisualizeEGDot(vizdot), VisualizeEGUbi(vizubi), PurgeDead(purge),
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EagerlyAssume(eager), TrimGraph(trim) {
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CurrentContext = 0;
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RootContext = 0;
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}
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void setContext(Decl *D) {
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CurrentContext = ContextMgr.getContext(D);
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RootContext = ContextMgr.getContext(D);
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}
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Decl *getCodeDecl() const {
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assert (AScope == ScopeDecl);
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return CurrentContext->getDecl();
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return RootContext->getDecl();
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}
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Stmt *getBody() const {
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assert (AScope == ScopeDecl);
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return CurrentContext->getBody();
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return RootContext->getBody();
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}
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StoreManagerCreator getStoreManagerCreator() {
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@ -99,15 +101,15 @@ public:
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}
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virtual CFG *getCFG() {
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return CurrentContext->getCFG();
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return RootContext->getCFG();
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}
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virtual ParentMap &getParentMap() {
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return CurrentContext->getParentMap();
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return RootContext->getParentMap();
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}
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virtual LiveVariables *getLiveVariables() {
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return CurrentContext->getLiveVariables();
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return RootContext->getLiveVariables();
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}
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virtual ASTContext &getContext() {
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@ -129,6 +131,10 @@ public:
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virtual PathDiagnosticClient *getPathDiagnosticClient() {
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return PD.get();
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}
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StackFrameContext *getRootStackFrame() {
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return LocCtxMgr.getStackFrame(RootContext, 0, 0);
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}
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bool shouldVisualizeGraphviz() const { return VisualizeEGDot; }
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@ -72,3 +72,53 @@ AnalysisContext *AnalysisContextManager::getContext(Decl *D) {
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Ctx.setDecl(D);
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return &Ctx;
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}
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void LocationContext::Profile(llvm::FoldingSetNodeID &ID, ContextKind k,
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AnalysisContext *ctx, LocationContext *parent) {
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ID.AddInteger(k);
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ID.AddPointer(ctx);
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ID.AddPointer(parent);
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}
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void StackFrameContext::Profile(llvm::FoldingSetNodeID &ID,AnalysisContext *ctx,
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LocationContext *parent, Stmt *s) {
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LocationContext::Profile(ID, StackFrame, ctx, parent);
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ID.AddPointer(s);
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}
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void ScopeContext::Profile(llvm::FoldingSetNodeID &ID, AnalysisContext *ctx,
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LocationContext *parent, Stmt *s) {
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LocationContext::Profile(ID, Scope, ctx, parent);
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ID.AddPointer(s);
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}
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StackFrameContext *LocationContextManager::getStackFrame(AnalysisContext *ctx,
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LocationContext *parent, Stmt *s) {
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llvm::FoldingSetNodeID ID;
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StackFrameContext::Profile(ID, ctx, parent, s);
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void *InsertPos;
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StackFrameContext *f =
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cast_or_null<StackFrameContext>(Contexts.FindNodeOrInsertPos(ID, InsertPos));
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if (!f) {
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f = new StackFrameContext(ctx, parent, s);
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Contexts.InsertNode(f, InsertPos);
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}
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return f;
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}
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ScopeContext *LocationContextManager::getScope(AnalysisContext *ctx,
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LocationContext *parent, Stmt *s) {
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llvm::FoldingSetNodeID ID;
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ScopeContext::Profile(ID, ctx, parent, s);
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void *InsertPos;
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ScopeContext *scope =
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cast_or_null<ScopeContext>(Contexts.FindNodeOrInsertPos(ID, InsertPos));
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if (!scope) {
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scope = new ScopeContext(ctx, parent, s);
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Contexts.InsertNode(scope, InsertPos);
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}
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return scope;
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}
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