js/src/jit/RegExpStubConstants.h

   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 jit_RegExpStubConstants_h
   8 #define jit_RegExpStubConstants_h
   9
  10 #include <stddef.h>
  11 #include <stdint.h>
  12
  13 #include "irregexp/RegExpTypes.h"
  14 #include "vm/MatchPairs.h"
  15
  16 namespace js {
  17 namespace jit {
  18
  19 static constexpr size_t InputOutputDataSize = sizeof(irregexp::InputOutputData);
  20
  21 // Amount of space to reserve on the stack when executing RegExps inline.
  22 static constexpr size_t RegExpReservedStack =
  23     InputOutputDataSize + sizeof(MatchPairs) +
  24     RegExpObject::MaxPairCount * sizeof(MatchPair);
  25
  26 // RegExpExecTest return value to indicate failure.
  27 static constexpr int32_t RegExpExecTestResultFailed = -1;
  28
  29 // RegExpSearcher return values to indicate not-found or failure.
  30 static constexpr int32_t RegExpSearcherResultNotFound = -1;
  31 static constexpr int32_t RegExpSearcherResultFailed = -2;
  32
  33 }  // namespace jit
  34 }  // namespace js
  35
  36 #endif /* jit_RegExpStubConstants_h */