1 files changed, 83 insertions, 0 deletions
diff --git a/lib/Checker/SimpleConstraintManager.h b/lib/Checker/SimpleConstraintManager.h
new file mode 100644
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+++ b/lib/Checker/SimpleConstraintManager.h
@@ -0,0 +1,83 @@
+//== SimpleConstraintManager.h ----------------------------------*- C++ -*--==//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  Code shared between BasicConstraintManager and RangeConstraintManager.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_ANALYSIS_SIMPLE_CONSTRAINT_MANAGER_H
+#define LLVM_CLANG_ANALYSIS_SIMPLE_CONSTRAINT_MANAGER_H
+
+#include "clang/Checker/PathSensitive/ConstraintManager.h"
+#include "clang/Checker/PathSensitive/GRState.h"
+
+namespace clang {
+
+class SimpleConstraintManager : public ConstraintManager {
+  GRSubEngine &SU;
+public:
+  SimpleConstraintManager(GRSubEngine &subengine) : SU(subengine) {}
+  virtual ~SimpleConstraintManager();
+
+  //===------------------------------------------------------------------===//
+  // Common implementation for the interface provided by ConstraintManager.
+  //===------------------------------------------------------------------===//
+
+  bool canReasonAbout(SVal X) const;
+
+  const GRState *Assume(const GRState *state, DefinedSVal Cond,
+                        bool Assumption);
+
+  const GRState *Assume(const GRState *state, Loc Cond, bool Assumption);
+
+  const GRState *Assume(const GRState *state, NonLoc Cond, bool Assumption);
+
+  const GRState *AssumeSymInt(const GRState *state, bool Assumption,
+                              const SymIntExpr *SE);
+
+  const GRState *AssumeInBound(const GRState *state, DefinedSVal Idx,
+                               DefinedSVal UpperBound,
+                               bool Assumption);
+
+protected:
+
+  //===------------------------------------------------------------------===//
+  // Interface that subclasses must implement.
+  //===------------------------------------------------------------------===//
+
+  virtual const GRState *AssumeSymNE(const GRState *state, SymbolRef sym,
+                                     const llvm::APSInt& V) = 0;
+
+  virtual const GRState *AssumeSymEQ(const GRState *state, SymbolRef sym,
+                                     const llvm::APSInt& V) = 0;
+
+  virtual const GRState *AssumeSymLT(const GRState *state, SymbolRef sym,
+                                     const llvm::APSInt& V) = 0;
+
+  virtual const GRState *AssumeSymGT(const GRState *state, SymbolRef sym,
+                                     const llvm::APSInt& V) = 0;
+
+  virtual const GRState *AssumeSymLE(const GRState *state, SymbolRef sym,
+                                     const llvm::APSInt& V) = 0;
+
+  virtual const GRState *AssumeSymGE(const GRState *state, SymbolRef sym,
+                                     const llvm::APSInt& V) = 0;
+
+  //===------------------------------------------------------------------===//
+  // Internal implementation.
+  //===------------------------------------------------------------------===//
+
+  const GRState *AssumeAux(const GRState *state, Loc Cond,bool Assumption);
+
+  const GRState *AssumeAux(const GRState *state, NonLoc Cond, bool Assumption);
+};
+
+}  // end clang namespace
+
+#endif