//= ObjCNoReturn.h - Handling of Cocoa APIs known not to return --*- 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 implements special handling of recognizing ObjC API hooks that
 
// do not return but aren't marked as such in API headers.
 
//
 
//===----------------------------------------------------------------------===//
 
 
 
#ifndef LLVM_CLANG_ANALYSIS_DOMAINSPECIFIC_OBJCNORETURN_H
 
#define LLVM_CLANG_ANALYSIS_DOMAINSPECIFIC_OBJCNORETURN_H
 
 
 
#include "clang/Basic/IdentifierTable.h"
 
 
 
namespace clang {
 
 
 
class ASTContext;
 
class ObjCMessageExpr;
 
 
 
class ObjCNoReturn {
 
  /// Cached "raise" selector.
 
  Selector RaiseSel;
 
 
 
  /// Cached identifier for "NSException".
 
  IdentifierInfo *NSExceptionII;
 
 
 
  enum { NUM_RAISE_SELECTORS = 2 };
 
 
 
  /// Cached set of selectors in NSException that are 'noreturn'.
 
  Selector NSExceptionInstanceRaiseSelectors[NUM_RAISE_SELECTORS];
 
 
 
public:
 
  ObjCNoReturn(ASTContext &C);
 
 
 
  /// Return true if the given message expression is known to never
 
  /// return.
 
  bool isImplicitNoReturn(const ObjCMessageExpr *ME);
 
};
 
}
 
 
 
#endif