llvm/clang/lib/StaticAnalyzer/Core/DynamicExtent.cpp

//===- DynamicExtent.cpp - Dynamic extent related APIs ----------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
//  This file defines APIs that track and query dynamic extent information.
//
//===----------------------------------------------------------------------===//

#include "clang/StaticAnalyzer/Core/PathSensitive/DynamicExtent.h"
#include "clang/AST/Expr.h"
#include "clang/Basic/LLVM.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/MemRegion.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/SValBuilder.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/SVals.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/SymbolManager.h"

REGISTER_MAP_WITH_PROGRAMSTATE(…) …

namespace clang {
namespace ento {

DefinedOrUnknownSVal getDynamicExtent(ProgramStateRef State,
                                      const MemRegion *MR, SValBuilder &SVB) { … }

DefinedOrUnknownSVal getElementExtent(QualType Ty, SValBuilder &SVB) { … }

static DefinedOrUnknownSVal getConstantArrayElementCount(SValBuilder &SVB,
                                                         const MemRegion *MR) { … }

static DefinedOrUnknownSVal
getDynamicElementCount(ProgramStateRef State, SVal Size,
                       DefinedOrUnknownSVal ElementSize) { … }

DefinedOrUnknownSVal getDynamicElementCount(ProgramStateRef State,
                                            const MemRegion *MR,
                                            SValBuilder &SVB,
                                            QualType ElementTy) { … }

SVal getDynamicExtentWithOffset(ProgramStateRef State, SVal BufV) { … }

DefinedOrUnknownSVal getDynamicElementCountWithOffset(ProgramStateRef State,
                                                      SVal BufV,
                                                      QualType ElementTy) { … }

ProgramStateRef setDynamicExtent(ProgramStateRef State, const MemRegion *MR,
                                 DefinedOrUnknownSVal Size) { … }

} // namespace ento
} // namespace clang