当前位置: 首页>>代码示例>>C++>>正文


C++ MacroInfo::getNumArgs方法代码示例

本文整理汇总了C++中MacroInfo::getNumArgs方法的典型用法代码示例。如果您正苦于以下问题:C++ MacroInfo::getNumArgs方法的具体用法?C++ MacroInfo::getNumArgs怎么用?C++ MacroInfo::getNumArgs使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在MacroInfo的用法示例。


在下文中一共展示了MacroInfo::getNumArgs方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: isIdenticalTo

/// \brief Return true if the specified macro definition is equal to
/// this macro in spelling, arguments, and whitespace.
///
/// \param Syntactically if true, the macro definitions can be identical even
/// if they use different identifiers for the function macro parameters.
/// Otherwise the comparison is lexical and this implements the rules in
/// C99 6.10.3.
bool MacroInfo::isIdenticalTo(const MacroInfo &Other, Preprocessor &PP,
                              bool Syntactically) const {
  bool Lexically = !Syntactically;

  // Check # tokens in replacement, number of args, and various flags all match.
  if (ReplacementTokens.size() != Other.ReplacementTokens.size() ||
      getNumArgs() != Other.getNumArgs() ||
      isFunctionLike() != Other.isFunctionLike() ||
      isC99Varargs() != Other.isC99Varargs() ||
      isGNUVarargs() != Other.isGNUVarargs())
    return false;

  if (Lexically) {
    // Check arguments.
    for (arg_iterator I = arg_begin(), OI = Other.arg_begin(), E = arg_end();
         I != E; ++I, ++OI)
      if (*I != *OI) return false;
  }

  // Check all the tokens.
  for (unsigned i = 0, e = ReplacementTokens.size(); i != e; ++i) {
    const Token &A = ReplacementTokens[i];
    const Token &B = Other.ReplacementTokens[i];
    if (A.getKind() != B.getKind())
      return false;

    // If this isn't the first first token, check that the whitespace and
    // start-of-line characteristics match.
    if (i != 0 &&
        (A.isAtStartOfLine() != B.isAtStartOfLine() ||
         A.hasLeadingSpace() != B.hasLeadingSpace()))
      return false;

    // If this is an identifier, it is easy.
    if (A.getIdentifierInfo() || B.getIdentifierInfo()) {
      if (A.getIdentifierInfo() == B.getIdentifierInfo())
        continue;
      if (Lexically)
        return false;
      // With syntactic equivalence the parameter names can be different as long
      // as they are used in the same place.
      int AArgNum = getArgumentNum(A.getIdentifierInfo());
      if (AArgNum == -1)
        return false;
      if (AArgNum != Other.getArgumentNum(B.getIdentifierInfo()))
        return false;
      continue;
    }

    // Otherwise, check the spelling.
    if (PP.getSpelling(A) != PP.getSpelling(B))
      return false;
  }

  return true;
}
开发者ID:jroelofs,项目名称:clang,代码行数:63,代码来源:MacroInfo.cpp

示例2: isIdenticalTo

/// isIdenticalTo - Return true if the specified macro definition is equal to
/// this macro in spelling, arguments, and whitespace.  This is used to emit
/// duplicate definition warnings.  This implements the rules in C99 6.10.3.
///
bool MacroInfo::isIdenticalTo(const MacroInfo &Other, Preprocessor &PP) const {
  // Check # tokens in replacement, number of args, and various flags all match.
  if (ReplacementTokens.size() != Other.ReplacementTokens.size() ||
      getNumArgs() != Other.getNumArgs() ||
      isFunctionLike() != Other.isFunctionLike() ||
      isC99Varargs() != Other.isC99Varargs() ||
      isGNUVarargs() != Other.isGNUVarargs())
    return false;

  // Check arguments.
  for (arg_iterator I = arg_begin(), OI = Other.arg_begin(), E = arg_end();
       I != E; ++I, ++OI)
    if (*I != *OI) return false;

  // Check all the tokens.
  for (unsigned i = 0, e = ReplacementTokens.size(); i != e; ++i) {
    const Token &A = ReplacementTokens[i];
    const Token &B = Other.ReplacementTokens[i];
    if (A.getKind() != B.getKind())
      return false;

    // If this isn't the first first token, check that the whitespace and
    // start-of-line characteristics match.
    if (i != 0 &&
        (A.isAtStartOfLine() != B.isAtStartOfLine() ||
         A.hasLeadingSpace() != B.hasLeadingSpace()))
      return false;

    // If this is an identifier, it is easy.
    if (A.getIdentifierInfo() || B.getIdentifierInfo()) {
      if (A.getIdentifierInfo() != B.getIdentifierInfo())
        return false;
      continue;
    }

    // Otherwise, check the spelling.
    if (PP.getSpelling(A) != PP.getSpelling(B))
      return false;
  }

  return true;
}
开发者ID:Abocer,项目名称:android-4.2_r1,代码行数:46,代码来源:MacroInfo.cpp


注:本文中的MacroInfo::getNumArgs方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。