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usr / src / contrib / llvm-project / clang / lib / StaticAnalyzer / Core /

📁 ..
📄 APSIntType.cpp(1.53 KB)
📄 AnalysisManager.cpp(2.59 KB)
📄 AnalyzerOptions.cpp(6.85 KB)
📄 BasicValueFactory.cpp(9.8 KB)
📄 BlockCounter.cpp(2.5 KB)
📄 BugReporter.cpp(115.16 KB)
📄 BugReporterVisitors.cpp(105.05 KB)
📄 CallEvent.cpp(50.1 KB)
📄 Checker.cpp(1.42 KB)
📄 CheckerContext.cpp(4.54 KB)
📄 CheckerHelpers.cpp(4.38 KB)
📄 CheckerManager.cpp(32.45 KB)
📄 CheckerRegistryData.cpp(8.19 KB)
📄 CommonBugCategories.cpp(1.03 KB)
📄 ConstraintManager.cpp(1.69 KB)
📄 CoreEngine.cpp(22.98 KB)
📄 DynamicSize.cpp(2.76 KB)
📄 DynamicType.cpp(11.09 KB)
📄 Environment.cpp(8.97 KB)
📄 ExplodedGraph.cpp(17.8 KB)
📄 ExprEngine.cpp(119.37 KB)
📄 ExprEngineC.cpp(43.12 KB)
📄 ExprEngineCXX.cpp(43.21 KB)
📄 ExprEngineCallAndReturn.cpp(43.63 KB)
📄 ExprEngineObjC.cpp(11.57 KB)
📄 FunctionSummary.cpp(1000 B)
📄 HTMLDiagnostics.cpp(36.55 KB)
📄 IssueHash.cpp(6.14 KB)
📄 LoopUnrolling.cpp(11.23 KB)
📄 LoopWidening.cpp(4.03 KB)
📄 MemRegion.cpp(55.71 KB)
📄 PlistDiagnostics.cpp(43.27 KB)
📄 PrettyStackTraceLocationContext.h(1.3 KB)
📄 ProgramState.cpp(21.81 KB)
📄 RangeConstraintManager.cpp(50.62 KB)
📄 RangedConstraintManager.cpp(8.08 KB)
📄 RegionStore.cpp(97.14 KB)
📄 SMTConstraintManager.cpp(657 B)
📄 SValBuilder.cpp(23.41 KB)
📄 SVals.cpp(12.25 KB)
📄 SarifDiagnostics.cpp(14.69 KB)
📄 SimpleConstraintManager.cpp(4.57 KB)
📄 SimpleSValBuilder.cpp(50.41 KB)
📄 Store.cpp(21.79 KB)
📄 SymbolManager.cpp(16.21 KB)
📄 TextDiagnostics.cpp(5.82 KB)
📄 WorkList.cpp(8.62 KB)

Editing: BlockCounter.cpp

//==- BlockCounter.h - ADT for counting block visits -------------*- 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 BlockCounter, an abstract data type used to count
//  the number of times a given block has been visited along a path
//  analyzed by CoreEngine.
//
//===----------------------------------------------------------------------===//

#include "clang/StaticAnalyzer/Core/PathSensitive/BlockCounter.h"
#include "llvm/ADT/ImmutableMap.h"

using namespace clang;
using namespace ento;

namespace {

class CountKey {
  const StackFrameContext *CallSite;
  unsigned BlockID;

public:
  CountKey(const StackFrameContext *CS, unsigned ID)
    : CallSite(CS), BlockID(ID) {}

bool operator==(const CountKey &RHS) const {
    return (CallSite == RHS.CallSite) && (BlockID == RHS.BlockID);
  }

bool operator<(const CountKey &RHS) const {
    return std::tie(CallSite, BlockID) < std::tie(RHS.CallSite, RHS.BlockID);
  }

void Profile(llvm::FoldingSetNodeID &ID) const {
    ID.AddPointer(CallSite);
    ID.AddInteger(BlockID);
  }
};

}

typedef llvm::ImmutableMap<CountKey, unsigned> CountMap;

static inline CountMap GetMap(void *D) {
  return CountMap(static_cast<CountMap::TreeTy*>(D));
}

static inline CountMap::Factory& GetFactory(void *F) {
  return *static_cast<CountMap::Factory*>(F);
}

unsigned BlockCounter::getNumVisited(const StackFrameContext *CallSite,
                                       unsigned BlockID) const {
  CountMap M = GetMap(Data);
  CountMap::data_type* T = M.lookup(CountKey(CallSite, BlockID));
  return T ? *T : 0;
}

BlockCounter::Factory::Factory(llvm::BumpPtrAllocator& Alloc) {
  F = new CountMap::Factory(Alloc);
}

BlockCounter::Factory::~Factory() {
  delete static_cast<CountMap::Factory*>(F);
}

BlockCounter
BlockCounter::Factory::IncrementCount(BlockCounter BC,
                                        const StackFrameContext *CallSite,
                                        unsigned BlockID) {
  return BlockCounter(GetFactory(F).add(GetMap(BC.Data),
                                          CountKey(CallSite, BlockID),
                             BC.getNumVisited(CallSite, BlockID)+1).getRoot());
}

BlockCounter
BlockCounter::Factory::GetEmptyCounter() {
  return BlockCounter(GetFactory(F).getEmptyMap().getRoot());
}

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Editing: BlockCounter.cpp

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