llvm-project/clang-tools-extra/clang-modernize/UseNullptr/NullptrMatchers.h

32 lines
1.2 KiB
C++

//===-- UseNullptr/NullptrMatchers.h - Matchers for null casts --*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// \brief This file contains the declarations for matcher-generating functions
/// and names for bound nodes found by AST matchers.
///
//===----------------------------------------------------------------------===//
#ifndef CLANG_MODERNIZE_USE_NULLPTR_MATCHERS_H
#define CLANG_MODERNIZE_USE_NULLPTR_MATCHERS_H
#include "clang/ASTMatchers/ASTMatchers.h"
// Names to bind with matched expressions.
extern const char *CastSequence;
/// \brief Create a matcher that finds implicit casts as well as the head of a
/// sequence of zero or more nested explicit casts that have an implicit cast
/// to null within.
/// Finding sequences of explict casts is necessary so that an entire sequence
/// can be replaced instead of just the inner-most implicit cast.
clang::ast_matchers::StatementMatcher makeCastSequenceMatcher();
#endif // CLANG_MODERNIZE_USE_NULLPTR_MATCHERS_H