1 //== SimpleConstraintManager.h ----------------------------------*- C++ -*--==//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Code shared between BasicConstraintManager and RangeConstraintManager.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_CLANG_GR_SIMPLE_CONSTRAINT_MANAGER_H
15 #define LLVM_CLANG_GR_SIMPLE_CONSTRAINT_MANAGER_H
17 #include "clang/StaticAnalyzer/Core/PathSensitive/ConstraintManager.h"
18 #include "clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h"
24 class SimpleConstraintManager : public ConstraintManager {
28 SimpleConstraintManager(SubEngine *subengine, SValBuilder &SB)
29 : SU(subengine), SVB(SB) {}
30 virtual ~SimpleConstraintManager();
32 //===------------------------------------------------------------------===//
33 // Common implementation for the interface provided by ConstraintManager.
34 //===------------------------------------------------------------------===//
36 ProgramStateRef assume(ProgramStateRef state, DefinedSVal Cond,
39 ProgramStateRef assume(ProgramStateRef state, Loc Cond, bool Assumption);
41 ProgramStateRef assume(ProgramStateRef state, NonLoc Cond, bool Assumption);
43 ProgramStateRef assumeSymRel(ProgramStateRef state,
45 BinaryOperator::Opcode op,
46 const llvm::APSInt& Int);
50 //===------------------------------------------------------------------===//
51 // Interface that subclasses must implement.
52 //===------------------------------------------------------------------===//
54 // Each of these is of the form "$sym+Adj <> V", where "<>" is the comparison
55 // operation for the method being invoked.
56 virtual ProgramStateRef assumeSymNE(ProgramStateRef state, SymbolRef sym,
57 const llvm::APSInt& V,
58 const llvm::APSInt& Adjustment) = 0;
60 virtual ProgramStateRef assumeSymEQ(ProgramStateRef state, SymbolRef sym,
61 const llvm::APSInt& V,
62 const llvm::APSInt& Adjustment) = 0;
64 virtual ProgramStateRef assumeSymLT(ProgramStateRef state, SymbolRef sym,
65 const llvm::APSInt& V,
66 const llvm::APSInt& Adjustment) = 0;
68 virtual ProgramStateRef assumeSymGT(ProgramStateRef state, SymbolRef sym,
69 const llvm::APSInt& V,
70 const llvm::APSInt& Adjustment) = 0;
72 virtual ProgramStateRef assumeSymLE(ProgramStateRef state, SymbolRef sym,
73 const llvm::APSInt& V,
74 const llvm::APSInt& Adjustment) = 0;
76 virtual ProgramStateRef assumeSymGE(ProgramStateRef state, SymbolRef sym,
77 const llvm::APSInt& V,
78 const llvm::APSInt& Adjustment) = 0;
80 //===------------------------------------------------------------------===//
81 // Internal implementation.
82 //===------------------------------------------------------------------===//
84 BasicValueFactory &getBasicVals() const { return SVB.getBasicValueFactory(); }
85 SymbolManager &getSymbolManager() const { return SVB.getSymbolManager(); }
87 bool canReasonAbout(SVal X) const;
89 ProgramStateRef assumeAux(ProgramStateRef state,
93 ProgramStateRef assumeAux(ProgramStateRef state,
97 ProgramStateRef assumeAuxForSymbol(ProgramStateRef State,
102 } // end GR namespace
104 } // end clang namespace