tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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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 */