ConstraintManager.h (226633) | ConstraintManager.h (234353) |
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1//== ConstraintManager.h - Constraints on symbolic values.-------*- C++ -*--==// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// --- 8 unchanged lines hidden (view full) --- 17#include "clang/StaticAnalyzer/Core/PathSensitive/SymbolManager.h" 18#include "clang/StaticAnalyzer/Core/PathSensitive/SVals.h" 19 20namespace llvm { 21class APSInt; 22} 23 24namespace clang { | 1//== ConstraintManager.h - Constraints on symbolic values.-------*- C++ -*--==// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// --- 8 unchanged lines hidden (view full) --- 17#include "clang/StaticAnalyzer/Core/PathSensitive/SymbolManager.h" 18#include "clang/StaticAnalyzer/Core/PathSensitive/SVals.h" 19 20namespace llvm { 21class APSInt; 22} 23 24namespace clang { |
25 | |
26namespace ento { 27 | 25namespace ento { 26 |
28class ProgramState; 29class ProgramStateManager; | |
30class SubEngine; 31 32class ConstraintManager { 33public: 34 virtual ~ConstraintManager(); | 27class SubEngine; 28 29class ConstraintManager { 30public: 31 virtual ~ConstraintManager(); |
35 virtual const ProgramState *assume(const ProgramState *state, | 32 virtual ProgramStateRef assume(ProgramStateRef state, |
36 DefinedSVal Cond, 37 bool Assumption) = 0; 38 | 33 DefinedSVal Cond, 34 bool Assumption) = 0; 35 |
39 std::pair<const ProgramState*, const ProgramState*> 40 assumeDual(const ProgramState *state, DefinedSVal Cond) | 36 std::pair<ProgramStateRef, ProgramStateRef > 37 assumeDual(ProgramStateRef state, DefinedSVal Cond) |
41 { | 38 { |
42 return std::make_pair(assume(state, Cond, true), 43 assume(state, Cond, false)); | 39 std::pair<ProgramStateRef, ProgramStateRef > res = 40 std::make_pair(assume(state, Cond, true), assume(state, Cond, false)); 41 42 assert(!(!res.first && !res.second) && "System is over constrained."); 43 return res; |
44 } 45 | 44 } 45 |
46 virtual const llvm::APSInt* getSymVal(const ProgramState *state, | 46 virtual const llvm::APSInt* getSymVal(ProgramStateRef state, |
47 SymbolRef sym) const = 0; 48 | 47 SymbolRef sym) const = 0; 48 |
49 virtual bool isEqual(const ProgramState *state, | 49 virtual bool isEqual(ProgramStateRef state, |
50 SymbolRef sym, 51 const llvm::APSInt& V) const = 0; 52 | 50 SymbolRef sym, 51 const llvm::APSInt& V) const = 0; 52 |
53 virtual const ProgramState *removeDeadBindings(const ProgramState *state, | 53 virtual ProgramStateRef removeDeadBindings(ProgramStateRef state, |
54 SymbolReaper& SymReaper) = 0; 55 | 54 SymbolReaper& SymReaper) = 0; 55 |
56 virtual void print(const ProgramState *state, | 56 virtual void print(ProgramStateRef state, |
57 raw_ostream &Out, 58 const char* nl, 59 const char *sep) = 0; 60 | 57 raw_ostream &Out, 58 const char* nl, 59 const char *sep) = 0; 60 |
61 virtual void EndPath(const ProgramState *state) {} | 61 virtual void EndPath(ProgramStateRef state) {} |
62 | 62 |
63protected: |
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63 /// canReasonAbout - Not all ConstraintManagers can accurately reason about 64 /// all SVal values. This method returns true if the ConstraintManager can 65 /// reasonably handle a given SVal value. This is typically queried by 66 /// ExprEngine to determine if the value should be replaced with a 67 /// conjured symbolic value in order to recover some precision. 68 virtual bool canReasonAbout(SVal X) const = 0; 69}; 70 71ConstraintManager* CreateBasicConstraintManager(ProgramStateManager& statemgr, 72 SubEngine &subengine); 73ConstraintManager* CreateRangeConstraintManager(ProgramStateManager& statemgr, 74 SubEngine &subengine); 75 76} // end GR namespace 77 78} // end clang namespace 79 80#endif | 64 /// canReasonAbout - Not all ConstraintManagers can accurately reason about 65 /// all SVal values. This method returns true if the ConstraintManager can 66 /// reasonably handle a given SVal value. This is typically queried by 67 /// ExprEngine to determine if the value should be replaced with a 68 /// conjured symbolic value in order to recover some precision. 69 virtual bool canReasonAbout(SVal X) const = 0; 70}; 71 72ConstraintManager* CreateBasicConstraintManager(ProgramStateManager& statemgr, 73 SubEngine &subengine); 74ConstraintManager* CreateRangeConstraintManager(ProgramStateManager& statemgr, 75 SubEngine &subengine); 76 77} // end GR namespace 78 79} // end clang namespace 80 81#endif |