1 files changed, 93 insertions, 0 deletions
diff --git a/lib/StaticAnalyzer/Core/SimpleConstraintManager.h b/lib/StaticAnalyzer/Core/SimpleConstraintManager.h
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+++ b/lib/StaticAnalyzer/Core/SimpleConstraintManager.h
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+//== 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_GR_SIMPLE_CONSTRAINT_MANAGER_H
+#define LLVM_CLANG_GR_SIMPLE_CONSTRAINT_MANAGER_H
+
+#include "clang/StaticAnalyzer/Core/PathSensitive/ConstraintManager.h"
+#include "clang/StaticAnalyzer/Core/PathSensitive/GRState.h"
+
+namespace clang {
+
+namespace ento {
+
+class SimpleConstraintManager : public ConstraintManager {
+  SubEngine &SU;
+public:
+  SimpleConstraintManager(SubEngine &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 *assumeSymRel(const GRState *state,
+                              const SymExpr *LHS,
+                              BinaryOperator::Opcode op,
+                              const llvm::APSInt& Int);
+
+protected:
+
+  //===------------------------------------------------------------------===//
+  // Interface that subclasses must implement.
+  //===------------------------------------------------------------------===//
+
+  // Each of these is of the form "$sym+Adj <> V", where "<>" is the comparison
+  // operation for the method being invoked.
+  virtual const GRState *assumeSymNE(const GRState *state, SymbolRef sym,
+                                     const llvm::APSInt& V,
+                                     const llvm::APSInt& Adjustment) = 0;
+
+  virtual const GRState *assumeSymEQ(const GRState *state, SymbolRef sym,
+                                     const llvm::APSInt& V,
+                                     const llvm::APSInt& Adjustment) = 0;
+
+  virtual const GRState *assumeSymLT(const GRState *state, SymbolRef sym,
+                                     const llvm::APSInt& V,
+                                     const llvm::APSInt& Adjustment) = 0;
+
+  virtual const GRState *assumeSymGT(const GRState *state, SymbolRef sym,
+                                     const llvm::APSInt& V,
+                                     const llvm::APSInt& Adjustment) = 0;
+
+  virtual const GRState *assumeSymLE(const GRState *state, SymbolRef sym,
+                                     const llvm::APSInt& V,
+                                     const llvm::APSInt& Adjustment) = 0;
+
+  virtual const GRState *assumeSymGE(const GRState *state, SymbolRef sym,
+                                     const llvm::APSInt& V,
+                                     const llvm::APSInt& Adjustment) = 0;
+
+  //===------------------------------------------------------------------===//
+  // Internal implementation.
+  //===------------------------------------------------------------------===//
+
+  const GRState *assumeAux(const GRState *state, Loc Cond,bool Assumption);
+
+  const GRState *assumeAux(const GRState *state, NonLoc Cond, bool Assumption);
+};
+
+} // end GR namespace
+
+} // end clang namespace
+
+#endif