Parser-macros.h (900B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- 2 * vim: set ts=8 sts=2 et sw=2 tw=80: 3 * This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef frontend_Parser_macros_h 8 #define frontend_Parser_macros_h 9 10 #include "mozilla/Likely.h" // MOZ_UNLIKELY 11 12 #define MOZ_TRY_VAR_OR_RETURN(target, expr, returnValue) \ 13 do { \ 14 auto parserTryVarTempResult_ = (expr); \ 15 if (MOZ_UNLIKELY(parserTryVarTempResult_.isErr())) { \ 16 return (returnValue); \ 17 } \ 18 (target) = parserTryVarTempResult_.unwrap(); \ 19 } while (0) 20 21 #endif /* frontend_Parser_macros_h */