C++ (Cpp) Counter::getExpressionID示例

示例#1

文件： CoverageMapping.cpp 项目： dongAxis/clang-700.0.72

void CounterMappingContext::dump(const Counter &C,
                                 llvm::raw_ostream &OS) const {
  switch (C.getKind()) {
  case Counter::Zero:
    OS << '0';
    return;
  case Counter::CounterValueReference:
    OS << '#' << C.getCounterID();
    break;
  case Counter::Expression: {
    if (C.getExpressionID() >= Expressions.size())
      return;
    const auto &E = Expressions[C.getExpressionID()];
    OS << '(';
    dump(E.LHS, OS);
    OS << (E.Kind == CounterExpression::Subtract ? " - " : " + ");
    dump(E.RHS, OS);
    OS << ')';
    break;
  }
  }
  if (CounterValues.empty())
    return;
  ErrorOr<int64_t> Value = evaluate(C);
  if (!Value)
    return;
  OS << '[' << *Value << ']';
}

示例#2

文件： CoverageMapping.cpp 项目： AntiMoron/llvm

int64_t CounterMappingContext::evaluate(const Counter &C,
                                        std::error_code *EC) const {
  switch (C.getKind()) {
  case Counter::Zero:
    return 0;
  case Counter::CounterValueReference:
    if (C.getCounterID() >= CounterValues.size()) {
      if (EC)
        *EC = std::make_error_code(std::errc::argument_out_of_domain);
      break;
    }
    return CounterValues[C.getCounterID()];
  case Counter::Expression: {
    if (C.getExpressionID() >= Expressions.size()) {
      if (EC)
        *EC = std::make_error_code(std::errc::argument_out_of_domain);
      break;
    }
    const auto &E = Expressions[C.getExpressionID()];
    auto LHS = evaluate(E.LHS, EC);
    if (EC && *EC)
      return 0;
    auto RHS = evaluate(E.RHS, EC);
    if (EC && *EC)
      return 0;
    return E.Kind == CounterExpression::Subtract ? LHS - RHS : LHS + RHS;
  }
  }
  return 0;
}

示例#3

void PrintTo(const Counter &C, ::std::ostream *os) {
  if (C.isZero())
    *os << "Zero";
  else if (C.isExpression())
    *os << "Expression " << C.getExpressionID();
  else
    *os << "Counter " << C.getCounterID();
}

示例#4

文件： CoverageMapping.cpp 项目： dongAxis/clang-700.0.72

ErrorOr<int64_t> CounterMappingContext::evaluate(const Counter &C) const {
  switch (C.getKind()) {
  case Counter::Zero:
    return 0;
  case Counter::CounterValueReference:
    if (C.getCounterID() >= CounterValues.size())
      return std::make_error_code(std::errc::argument_out_of_domain);
    return CounterValues[C.getCounterID()];
  case Counter::Expression: {
    if (C.getExpressionID() >= Expressions.size())
      return std::make_error_code(std::errc::argument_out_of_domain);
    const auto &E = Expressions[C.getExpressionID()];
    ErrorOr<int64_t> LHS = evaluate(E.LHS);
    if (!LHS)
      return LHS;
    ErrorOr<int64_t> RHS = evaluate(E.RHS);
    if (!RHS)
      return RHS;
    return E.Kind == CounterExpression::Subtract ? *LHS - *RHS : *LHS + *RHS;
  }
  }
  llvm_unreachable("Unhandled CounterKind");
}

示例#5

文件： CoverageMapping.cpp 项目： AntiMoron/llvm

void CounterExpressionBuilder::extractTerms(Counter C, int Sign) {
  switch (C.getKind()) {
  case Counter::Zero:
    break;
  case Counter::CounterValueReference:
    Terms[C.getCounterID()] += Sign;
    break;
  case Counter::Expression:
    const auto &E = Expressions[C.getExpressionID()];
    extractTerms(E.LHS, Sign);
    extractTerms(E.RHS, E.Kind == CounterExpression::Subtract ? -Sign : Sign);
    break;
  }
}

示例#6

文件： CoverageMapping.cpp 项目： dongAxis/clang-700.0.72

void CounterExpressionBuilder::extractTerms(
    Counter C, int Sign, SmallVectorImpl<std::pair<unsigned, int>> &Terms) {
  switch (C.getKind()) {
  case Counter::Zero:
    break;
  case Counter::CounterValueReference:
    Terms.push_back(std::make_pair(C.getCounterID(), Sign));
    break;
  case Counter::Expression:
    const auto &E = Expressions[C.getExpressionID()];
    extractTerms(E.LHS, Sign, Terms);
    extractTerms(E.RHS, E.Kind == CounterExpression::Subtract ? -Sign : Sign,
                 Terms);
    break;
  }
}

示例#7

文件： CoverageMapping.cpp 项目： MatthiasJReisinger/llvm

void CounterExpressionBuilder::extractTerms(Counter C, int Factor,
                                            SmallVectorImpl<Term> &Terms) {
  switch (C.getKind()) {
  case Counter::Zero:
    break;
  case Counter::CounterValueReference:
    Terms.emplace_back(C.getCounterID(), Factor);
    break;
  case Counter::Expression:
    const auto &E = Expressions[C.getExpressionID()];
    extractTerms(E.LHS, Factor, Terms);
    extractTerms(
        E.RHS, E.Kind == CounterExpression::Subtract ? -Factor : Factor, Terms);
    break;
  }
}