Update clang to r96341.

1 files changed, 149 insertions, 0 deletions

diff --git a/include/clang/Checker/PathSensitive/AnalysisManager.h b/include/clang/Checker/PathSensitive/AnalysisManager.h
new file mode 100644
index 0000000..fdf52a7
--- /dev/null
+++ b/include/clang/Checker/PathSensitive/AnalysisManager.h
@@ -0,0 +1,149 @@
+//== AnalysisManager.h - Path sensitive analysis data manager ------*- C++ -*-//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the AnalysisManager class that manages the data and policy
+// for path sensitive analysis.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_ANALYSIS_ANALYSISMANAGER_H
+#define LLVM_CLANG_ANALYSIS_ANALYSISMANAGER_H
+
+#include "clang/Analysis/AnalysisContext.h"
+#include "clang/Checker/BugReporter/BugReporter.h"
+#include "clang/Checker/BugReporter/PathDiagnostic.h"
+
+namespace clang {
+
+class AnalysisManager : public BugReporterData {
+  AnalysisContextManager AnaCtxMgr;
+  LocationContextManager LocCtxMgr;
+
+  ASTContext &Ctx;
+  Diagnostic &Diags;
+  const LangOptions &LangInfo;
+
+  llvm::OwningPtr<PathDiagnosticClient> PD;
+
+  // Configurable components creators.
+  StoreManagerCreator CreateStoreMgr;
+  ConstraintManagerCreator CreateConstraintMgr;
+
+  enum AnalysisScope { ScopeTU, ScopeDecl } AScope;
+
+  bool VisualizeEGDot;
+  bool VisualizeEGUbi;
+  bool PurgeDead;
+
+  /// EargerlyAssume - A flag indicating how the engine should handle
+  //   expressions such as: 'x = (y != 0)'.  When this flag is true then
+  //   the subexpression 'y != 0' will be eagerly assumed to be true or false,
+  //   thus evaluating it to the integers 0 or 1 respectively.  The upside
+  //   is that this can increase analysis precision until we have a better way
+  //   to lazily evaluate such logic.  The downside is that it eagerly
+  //   bifurcates paths.
+  bool EagerlyAssume;
+  bool TrimGraph;
+
+public:
+  AnalysisManager(ASTContext &ctx, Diagnostic &diags, 
+                  const LangOptions &lang, PathDiagnosticClient *pd,
+                  StoreManagerCreator storemgr,
+                  ConstraintManagerCreator constraintmgr,
+                  bool vizdot, bool vizubi, bool purge, bool eager, bool trim)
+
+    : Ctx(ctx), Diags(diags), LangInfo(lang), PD(pd),
+      CreateStoreMgr(storemgr), CreateConstraintMgr(constraintmgr),
+      AScope(ScopeDecl),
+      VisualizeEGDot(vizdot), VisualizeEGUbi(vizubi), PurgeDead(purge),
+      EagerlyAssume(eager), TrimGraph(trim) {}
+  
+  ~AnalysisManager() { FlushDiagnostics(); }
+  
+  void ClearContexts() {
+    LocCtxMgr.clear();
+    AnaCtxMgr.clear();
+  }
+
+  StoreManagerCreator getStoreManagerCreator() {
+    return CreateStoreMgr;
+  }
+
+  ConstraintManagerCreator getConstraintManagerCreator() {
+    return CreateConstraintMgr;
+  }
+
+  virtual ASTContext &getASTContext() {
+    return Ctx;
+  }
+
+  virtual SourceManager &getSourceManager() {
+    return getASTContext().getSourceManager();
+  }
+
+  virtual Diagnostic &getDiagnostic() {
+    return Diags;
+  }
+
+  const LangOptions &getLangOptions() const {
+    return LangInfo;
+  }
+
+  virtual PathDiagnosticClient *getPathDiagnosticClient() {
+    return PD.get();
+  }
+  
+  void FlushDiagnostics() {
+    if (PD.get())
+      PD->FlushDiagnostics();
+  }
+
+  bool shouldVisualizeGraphviz() const { return VisualizeEGDot; }
+
+  bool shouldVisualizeUbigraph() const { return VisualizeEGUbi; }
+
+  bool shouldVisualize() const {
+    return VisualizeEGDot || VisualizeEGUbi;
+  }
+
+  bool shouldTrimGraph() const { return TrimGraph; }
+
+  bool shouldPurgeDead() const { return PurgeDead; }
+
+  bool shouldEagerlyAssume() const { return EagerlyAssume; }
+
+  CFG *getCFG(Decl const *D) {
+    return AnaCtxMgr.getContext(D)->getCFG();
+  }
+
+  LiveVariables *getLiveVariables(Decl const *D) {
+    return AnaCtxMgr.getContext(D)->getLiveVariables();
+  }
+
+  ParentMap &getParentMap(Decl const *D) {
+    return AnaCtxMgr.getContext(D)->getParentMap();
+  }
+
+  // Get the top level stack frame.
+  const StackFrameContext *getStackFrame(Decl const *D) {
+    return LocCtxMgr.getStackFrame(AnaCtxMgr.getContext(D), 0, 0, 0, 0);
+  }
+
+  // Get a stack frame with parent.
+  StackFrameContext const *getStackFrame(Decl const *D, 
+                                         LocationContext const *Parent,
+                                         Stmt const *S, const CFGBlock *Blk,
+                                         unsigned Idx) {
+    return LocCtxMgr.getStackFrame(AnaCtxMgr.getContext(D), Parent, S, Blk,Idx);
+  }
+};
+
+}
+
+#endif