diff options
author | Ted Kremenek <kremenek@apple.com> | 2010-12-23 19:38:26 +0000 |
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committer | Ted Kremenek <kremenek@apple.com> | 2010-12-23 19:38:26 +0000 |
commit | 21142581d55918beed544a757e4af3bb865b1812 (patch) | |
tree | c630a6cf82f6953372f1ea8f700d0d0a9372472c /lib/StaticAnalyzer/SimpleConstraintManager.h | |
parent | fd03843f0597de5eeced69ca9ae45c478fb2b153 (diff) |
Chris Lattner has strong opinions about directory
layout. :)
Rename the 'EntoSA' directories to 'StaticAnalyzer'.
Internally we will still use the 'ento' namespace
for the analyzer engine (unless there are further
sabre rattlings...).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122514 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/StaticAnalyzer/SimpleConstraintManager.h')
-rw-r--r-- | lib/StaticAnalyzer/SimpleConstraintManager.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/lib/StaticAnalyzer/SimpleConstraintManager.h b/lib/StaticAnalyzer/SimpleConstraintManager.h new file mode 100644 index 0000000000..75f67f7f17 --- /dev/null +++ b/lib/StaticAnalyzer/SimpleConstraintManager.h @@ -0,0 +1,93 @@ +//== 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/PathSensitive/ConstraintManager.h" +#include "clang/StaticAnalyzer/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 |