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-rw-r--r--include/clang/Analysis/AnalysisContext.h53
1 files changed, 46 insertions, 7 deletions
diff --git a/include/clang/Analysis/AnalysisContext.h b/include/clang/Analysis/AnalysisContext.h
index 9ebd93b75b38..7d4d25f8b0d8 100644
--- a/include/clang/Analysis/AnalysisContext.h
+++ b/include/clang/Analysis/AnalysisContext.h
@@ -30,41 +30,67 @@ class CFG;
class CFGBlock;
class LiveVariables;
class ParentMap;
+class PseudoConstantAnalysis;
class ImplicitParamDecl;
class LocationContextManager;
class StackFrameContext;
+namespace idx { class TranslationUnit; }
+
/// AnalysisContext contains the context data for the function or method under
/// analysis.
class AnalysisContext {
const Decl *D;
+ // TranslationUnit is NULL if we don't have multiple translation units.
+ idx::TranslationUnit *TU;
+
// AnalysisContext owns the following data.
- CFG *cfg;
- bool builtCFG;
+ CFG *cfg, *completeCFG;
+ bool builtCFG, builtCompleteCFG;
LiveVariables *liveness;
+ LiveVariables *relaxedLiveness;
ParentMap *PM;
+ PseudoConstantAnalysis *PCA;
llvm::DenseMap<const BlockDecl*,void*> *ReferencedBlockVars;
llvm::BumpPtrAllocator A;
+ bool UseUnoptimizedCFG;
bool AddEHEdges;
public:
- AnalysisContext(const Decl *d, bool addehedges = false)
- : D(d), cfg(0), builtCFG(false), liveness(0), PM(0),
- ReferencedBlockVars(0), AddEHEdges(addehedges) {}
+ AnalysisContext(const Decl *d, idx::TranslationUnit *tu,
+ bool useUnoptimizedCFG = false,
+ bool addehedges = false)
+ : D(d), TU(tu), cfg(0), completeCFG(0),
+ builtCFG(false), builtCompleteCFG(false),
+ liveness(0), relaxedLiveness(0), PM(0), PCA(0),
+ ReferencedBlockVars(0), UseUnoptimizedCFG(useUnoptimizedCFG),
+ AddEHEdges(addehedges) {}
~AnalysisContext();
ASTContext &getASTContext() { return D->getASTContext(); }
- const Decl *getDecl() { return D; }
+ const Decl *getDecl() const { return D; }
+
+ idx::TranslationUnit *getTranslationUnit() const { return TU; }
+
/// getAddEHEdges - Return true iff we are adding exceptional edges from
/// callExprs. If this is false, then try/catch statements and blocks
/// reachable from them can appear to be dead in the CFG, analysis passes must
/// cope with that.
bool getAddEHEdges() const { return AddEHEdges; }
+
+ bool getUseUnoptimizedCFG() const { return UseUnoptimizedCFG; }
+
Stmt *getBody();
CFG *getCFG();
+
+ /// Return a version of the CFG without any edges pruned.
+ CFG *getUnoptimizedCFG();
+
ParentMap &getParentMap();
+ PseudoConstantAnalysis *getPseudoConstantAnalysis();
LiveVariables *getLiveVariables();
+ LiveVariables *getRelaxedLiveVariables();
typedef const VarDecl * const * referenced_decls_iterator;
@@ -79,10 +105,16 @@ public:
class AnalysisContextManager {
typedef llvm::DenseMap<const Decl*, AnalysisContext*> ContextMap;
ContextMap Contexts;
+ bool UseUnoptimizedCFG;
public:
+ AnalysisContextManager(bool useUnoptimizedCFG = false)
+ : UseUnoptimizedCFG(useUnoptimizedCFG) {}
+
~AnalysisContextManager();
- AnalysisContext *getContext(const Decl *D);
+ AnalysisContext *getContext(const Decl *D, idx::TranslationUnit *TU = 0);
+
+ bool getUseUnoptimizedCFG() const { return UseUnoptimizedCFG; }
// Discard all previously created AnalysisContexts.
void clear();
@@ -94,7 +126,10 @@ public:
private:
ContextKind Kind;
+
+ // AnalysisContext can't be const since some methods may modify its member.
AnalysisContext *Ctx;
+
const LocationContext *Parent;
protected:
@@ -109,6 +144,10 @@ public:
AnalysisContext *getAnalysisContext() const { return Ctx; }
+ idx::TranslationUnit *getTranslationUnit() const {
+ return Ctx->getTranslationUnit();
+ }
+
const LocationContext *getParent() const { return Parent; }
bool isParentOf(const LocationContext *LC) const;