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//= ObjCNoReturn.h - Handling of Cocoa APIs known not to return --*- C++ -*---//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// 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_DS_OBJCNORETURN
#define LLVM_CLANG_ANALYSIS_DS_OBJCNORETURN
#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
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