george.karpenkov created this revision.
Herald added subscribers: szepet, kristof.beyls, xazax.hun, javed.absar,
aemerson.
https://reviews.llvm.org/D39208
Files:
include/clang/Analysis/AnalysisDeclContext.h
include/clang/Analysis/BodyFarm.h
lib/Analysis/AnalysisDeclContext.cpp
lib/Analysis/BodyFarm.cpp
lib/Analysis/BodyFarm.h
lib/StaticAnalyzer/Core/AnalysisManager.cpp
Index: lib/StaticAnalyzer/Core/AnalysisManager.cpp
===================================================================
--- lib/StaticAnalyzer/Core/AnalysisManager.cpp
+++ lib/StaticAnalyzer/Core/AnalysisManager.cpp
@@ -14,33 +14,25 @@
void AnalysisManager::anchor() { }
-AnalysisManager::AnalysisManager(ASTContext &ctx, DiagnosticsEngine &diags,
- const LangOptions &lang,
- const PathDiagnosticConsumers &PDC,
- StoreManagerCreator storemgr,
- ConstraintManagerCreator constraintmgr,
- CheckerManager *checkerMgr,
- AnalyzerOptions &Options,
- CodeInjector *injector)
- : AnaCtxMgr(Options.UnoptimizedCFG,
- Options.includeImplicitDtorsInCFG(),
- /*AddInitializers=*/true,
- Options.includeTemporaryDtorsInCFG(),
- Options.includeLifetimeInCFG(),
- // Adding LoopExit elements to the CFG is a requirement for loop
- // unrolling.
- Options.includeLoopExitInCFG() || Options.shouldUnrollLoops(),
- Options.shouldSynthesizeBodies(),
- Options.shouldConditionalizeStaticInitializers(),
- /*addCXXNewAllocator=*/true,
- injector),
- Ctx(ctx),
- Diags(diags),
- LangOpts(lang),
- PathConsumers(PDC),
- CreateStoreMgr(storemgr), CreateConstraintMgr(constraintmgr),
- CheckerMgr(checkerMgr),
- options(Options) {
+AnalysisManager::AnalysisManager(
+ ASTContext &ASTCtx, DiagnosticsEngine &diags, const LangOptions &lang,
+ const PathDiagnosticConsumers &PDC, StoreManagerCreator storemgr,
+ ConstraintManagerCreator constraintmgr, CheckerManager *checkerMgr,
+ AnalyzerOptions &Options, CodeInjector *injector)
+ : AnaCtxMgr(ASTCtx, Options.UnoptimizedCFG,
+ Options.includeImplicitDtorsInCFG(),
+ /*AddInitializers=*/true, Options.includeTemporaryDtorsInCFG(),
+ Options.includeLifetimeInCFG(),
+ // Adding LoopExit elements to the CFG is a requirement for loop
+ // unrolling.
+ Options.includeLoopExitInCFG() || Options.shouldUnrollLoops(),
+ Options.shouldSynthesizeBodies(),
+ Options.shouldConditionalizeStaticInitializers(),
+ /*addCXXNewAllocator=*/true,
+ injector),
+ Ctx(ASTCtx), Diags(diags), LangOpts(lang), PathConsumers(PDC),
+ CreateStoreMgr(storemgr), CreateConstraintMgr(constraintmgr),
+ CheckerMgr(checkerMgr), options(Options) {
AnaCtxMgr.getCFGBuildOptions().setAllAlwaysAdd();
}
Index: lib/Analysis/BodyFarm.cpp
===================================================================
--- lib/Analysis/BodyFarm.cpp
+++ lib/Analysis/BodyFarm.cpp
@@ -12,7 +12,7 @@
//
//===----------------------------------------------------------------------===//
-#include "BodyFarm.h"
+#include "clang/Analysis/BodyFarm.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/CXXInheritance.h"
#include "clang/AST/Decl.h"
Index: lib/Analysis/AnalysisDeclContext.cpp
===================================================================
--- lib/Analysis/AnalysisDeclContext.cpp
+++ lib/Analysis/AnalysisDeclContext.cpp
@@ -13,7 +13,6 @@
//===----------------------------------------------------------------------===//
#include "clang/Analysis/AnalysisDeclContext.h"
-#include "BodyFarm.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclObjC.h"
@@ -23,6 +22,7 @@
#include "clang/Analysis/Analyses/CFGReachabilityAnalysis.h"
#include "clang/Analysis/Analyses/LiveVariables.h"
#include "clang/Analysis/Analyses/PseudoConstantAnalysis.h"
+#include "clang/Analysis/BodyFarm.h"
#include "clang/Analysis/CFG.h"
#include "clang/Analysis/CFGStmtMap.h"
#include "clang/Analysis/Support/BumpVector.h"
@@ -63,18 +63,12 @@
cfgBuildOptions.forcedBlkExprs = &forcedBlkExprs;
}
-AnalysisDeclContextManager::AnalysisDeclContextManager(bool useUnoptimizedCFG,
- bool addImplicitDtors,
- bool addInitializers,
- bool addTemporaryDtors,
- bool addLifetime,
- bool addLoopExit,
- bool synthesizeBodies,
- bool addStaticInitBranch,
- bool addCXXNewAllocator,
- CodeInjector *injector)
- : Injector(injector), SynthesizeBodies(synthesizeBodies)
-{
+AnalysisDeclContextManager::AnalysisDeclContextManager(
+ ASTContext &ASTCtx, bool useUnoptimizedCFG, bool addImplicitDtors,
+ bool addInitializers, bool addTemporaryDtors, bool addLifetime,
+ bool addLoopExit, bool synthesizeBodies, bool addStaticInitBranch,
+ bool addCXXNewAllocator, CodeInjector *injector)
+ : ASTCtx(ASTCtx), Injector(injector), SynthesizeBodies(synthesizeBodies) {
cfgBuildOptions.PruneTriviallyFalseEdges = !useUnoptimizedCFG;
cfgBuildOptions.AddImplicitDtors = addImplicitDtors;
cfgBuildOptions.AddInitializers = addInitializers;
@@ -87,20 +81,14 @@
void AnalysisDeclContextManager::clear() { Contexts.clear(); }
-static BodyFarm &getBodyFarm(ASTContext &C, CodeInjector *injector = nullptr) {
- static BodyFarm *BF = new BodyFarm(C, injector);
- return *BF;
-}
-
Stmt *AnalysisDeclContext::getBody(bool &IsAutosynthesized) const {
IsAutosynthesized = false;
if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
Stmt *Body = FD->getBody();
if (auto *CoroBody = dyn_cast_or_null<CoroutineBodyStmt>(Body))
Body = CoroBody->getBody();
if (Manager && Manager->synthesizeBodies()) {
- Stmt *SynthesizedBody =
- getBodyFarm(getASTContext(), Manager->Injector.get()).getBody(FD);
+ Stmt *SynthesizedBody = Manager->getBodyFarm()->getBody(FD);
if (SynthesizedBody) {
Body = SynthesizedBody;
IsAutosynthesized = true;
@@ -111,8 +99,7 @@
else if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D)) {
Stmt *Body = MD->getBody();
if (Manager && Manager->synthesizeBodies()) {
- Stmt *SynthesizedBody =
- getBodyFarm(getASTContext(), Manager->Injector.get()).getBody(MD);
+ Stmt *SynthesizedBody = Manager->getBodyFarm()->getBody(MD);
if (SynthesizedBody) {
Body = SynthesizedBody;
IsAutosynthesized = true;
@@ -317,6 +304,12 @@
return AC.get();
}
+BodyFarm *AnalysisDeclContextManager::getBodyFarm() {
+ if (BdyFrm == nullptr)
+ BdyFrm = new BodyFarm(ASTCtx, Injector.get());
+ return BdyFrm;
+}
+
const StackFrameContext *
AnalysisDeclContext::getStackFrame(LocationContext const *Parent, const Stmt *S,
const CFGBlock *Blk, unsigned Idx) {
Index: include/clang/Analysis/BodyFarm.h
===================================================================
--- include/clang/Analysis/BodyFarm.h
+++ include/clang/Analysis/BodyFarm.h
@@ -28,24 +28,24 @@
class ObjCPropertyDecl;
class Stmt;
class CodeInjector;
-
+
class BodyFarm {
public:
BodyFarm(ASTContext &C, CodeInjector *injector) : C(C), Injector(injector) {}
-
+
/// Factory method for creating bodies for ordinary functions.
Stmt *getBody(const FunctionDecl *D);
/// Factory method for creating bodies for Objective-C properties.
Stmt *getBody(const ObjCMethodDecl *D);
private:
- typedef llvm::DenseMap<const Decl *, Optional<Stmt *> > BodyMap;
+ typedef llvm::DenseMap<const Decl *, Optional<Stmt *>> BodyMap;
ASTContext &C;
BodyMap Bodies;
CodeInjector *Injector;
};
-}
+} // namespace clang
#endif
Index: include/clang/Analysis/AnalysisDeclContext.h
===================================================================
--- include/clang/Analysis/AnalysisDeclContext.h
+++ include/clang/Analysis/AnalysisDeclContext.h
@@ -16,6 +16,7 @@
#define LLVM_CLANG_ANALYSIS_ANALYSISDECLCONTEXT_H
#include "clang/AST/Decl.h"
+#include "clang/Analysis/BodyFarm.h"
#include "clang/Analysis/CFG.h"
#include "clang/Analysis/CodeInjector.h"
#include "llvm/ADT/DenseMap.h"
@@ -409,29 +410,33 @@
typedef llvm::DenseMap<const Decl *, std::unique_ptr<AnalysisDeclContext>>
ContextMap;
+ ASTContext &ASTCtx;
ContextMap Contexts;
LocationContextManager LocContexts;
CFG::BuildOptions cfgBuildOptions;
/// Pointer to an interface that can provide function bodies for
/// declarations from external source.
std::unique_ptr<CodeInjector> Injector;
-
+
+ /// Pointer to a factory for creating and caching implementations for common
+ /// methods during the analysis.
+ BodyFarm *BdyFrm;
+
/// Flag to indicate whether or not bodies should be synthesized
/// for well-known functions.
bool SynthesizeBodies;
public:
- AnalysisDeclContextManager(bool useUnoptimizedCFG = false,
+ AnalysisDeclContextManager(ASTContext &ASTCtx, bool useUnoptimizedCFG = false,
bool addImplicitDtors = false,
bool addInitializers = false,
bool addTemporaryDtors = false,
- bool addLifetime = false,
- bool addLoopExit = false,
+ bool addLifetime = false, bool addLoopExit = false,
bool synthesizeBodies = false,
bool addStaticInitBranches = false,
bool addCXXNewAllocator = true,
- CodeInjector* injector = nullptr);
+ CodeInjector *injector = nullptr);
~AnalysisDeclContextManager();
@@ -472,6 +477,9 @@
return LocContexts.getStackFrame(getContext(D), Parent, S, Blk, Idx);
}
+ /// Get and lazily create a {@code BodyFarm} instance.
+ BodyFarm *getBodyFarm();
+
/// Discard all previously created AnalysisDeclContexts.
void clear();
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