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41 Коммитов

Автор SHA1 Сообщение Дата
Chris Fronk dfcd4afc6e Bug 1433142 - Add support for hashing enum values. r=jwalden 
Differential Revision: https://phabricator.services.mozilla.com/D70647
 2020-05-27 23:44:51 +00:00
André Bargull cae4e1fdbc Bug 1606962: Replace mozilla::EnableIf with std::enable_if. r=froydnj,jgilbert 
Differential Revision: https://phabricator.services.mozilla.com/D68401

--HG--
extra : moz-landing-system : lando
 2020-03-28 13:35:31 +00:00
André Bargull ebec34a898 Bug 1625138 - Part 16: Replace mozilla::IsIntegral with std::is_integral. r=froydnj 
Differential Revision: https://phabricator.services.mozilla.com/D68371

--HG--
extra : moz-landing-system : lando
 2020-03-28 13:57:15 +00:00
Nathan Froyd 5dda12ab15 Bug 1567944 - remove *DISABLE_INTEGRAL_CONSTANT_OVERFLOW_WARNING macros; r=dmajor 
We don't support MSVC anymore, clang-cl ignores these pragmas, and
nobody actually used the macros anyway.

Depends on D38887

Differential Revision: https://phabricator.services.mozilla.com/D38888

--HG--
extra : moz-landing-system : lando
 2019-07-23 08:02:48 +00:00
Jeff Walden cc8118aa28 Bug 1533636 - Define HashStringUntilZero and HashStringKnownLength template functions for code that wishes to invoke the HashString algorithm on non-pointer iterator types. r=froydnj 
Differential Revision: https://phabricator.services.mozilla.com/D22652

--HG--
extra : rebase_source : 68359815e1edffc8e2489d6cd817adfbdd628818
 2019-03-05 10:11:32 -08:00
Sylvestre Ledru 265e672179 Bug 1511181 - Reformat everything to the Google coding style r=ehsan a=clang-format 
# ignore-this-changeset

--HG--
extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
 2018-11-30 11:46:48 +01:00
Nicholas Nethercote 097b276f5c Bug 1480660 - Remove ConstExprHash{UntilZero,String}(). r=froydnj 
They were workarounds for bugs in GCC 4.9, which is no longer supported.

--HG--
extra : rebase_source : b793b4643e1e44199afdb8e8b35f930e02664be8
 2018-08-03 14:47:41 +10:00
Nicholas Nethercote 0f205a7ce0 Bug 1477626 - Move ScrambleHashCode() from js/src/Utility.h to mfbt/HashFunctions.h. r=Waldo 
And use it in PLDHashTable.cpp.

MozReview-Commit-ID: BqwEkE0p5AG

--HG--
extra : rebase_source : bd9118e24b82add6ad1fdcb067a5f25b25e90201
 2018-07-26 18:52:47 +10:00
Nicholas Nethercote 25a1140207 Bug 1477626 - Introduce mozilla::HashNumber and use it in various places. r=Waldo 
Currently we have three ways of representing hash values.

- uint32_t: used in HashFunctions.h.

- PLDHashNumber: defined in PLDHashTable.{h,cpp}.

- js::HashNumber: defined in js/public/Utility.h.

Functions that create hash values with functions from HashFunctions.h use a mix
of these three types. It's a bit of a mess.

This patch introduces mozilla::HashNumber, and redefines PLDHashNumber and
js::HashNumber as synonyms. It also changes HashFunctions.h to use
mozilla::HashNumber throughout instead of uint32_t.

This leaves plenty of places that still use uint32_t that should use
mozilla::HashNumber or one of its synonyms, but I didn't want to tackle that
now.

The patch also:

- Does similar things for the constants defining the number of bits in each
  hash number type.

- Moves js::HashNumber from Utility.h to HashTable.h, which is a better spot
  for it. (This required changing the signature of ScrambleHashCode(); that's
  ok, it'll get moved by the next patch anyway.)

MozReview-Commit-ID: EdoWlCm7OUC

--HG--
extra : rebase_source : 5b92c0c3560eb56850cd8832f8ee514d25e3c16f
 2018-07-26 18:52:46 +10:00
Margareta Eliza Balazs dbef13782c Backed out 2 changesets (bug 1451278) for breaking windows pgo builds a=backout 
Backed out changeset ac685df07bfc (bug 1451278)
Backed out changeset 5944ccd5060d (bug 1451278)
 2018-04-16 21:41:03 +03:00
Nicholas Nethercote e1318b1d03 Bug 1451278 - Remove ConstExpr hash functions. r=froydnj 
MozReview-Commit-ID: L6yRyt4DZRR

--HG--
extra : rebase_source : 2d56a50b1a99e66c397165b9b851e23ca66d97a0
 2018-04-16 08:37:15 +10:00
Nicholas Nethercote cecefaa849 Bug 1443706 - Introduce ConstExprHashString(const char16_t*). r=jwalden 
This is a `constexpr` alternative to HashString(const char16_t*). We can't make
HashString(const char16_t*) itself `constexpr` because HashUntilZero(const T*)
isn't in a form that older compilers (like GCC 4.9) allow to be made
`constexpr`. (The trick to satisfying those compilers is to use recursion
instead of iteration, to get the function into a single `return` statement.)

This requires making a bunch of other functions `constexpr` as well. It also
requires adding MOZ_{PUSH,POP}_DISABLE_INTEGRAL_CONSTANT_OVERFLOW_WARNING
macros to avoid some MSVC weirdness.

The introduction of RotateLeft5() partly undoes one of the patches from bug
1443342, but that's unavoidable.

This change will help with static allocation of static atoms (bug 1411469).

MozReview-Commit-ID: 7r3PnrQXb29
 2018-03-08 10:27:14 +11:00
Jeff Walden 52d9907ee0 Bug 1445024 - Implement mozilla::WrappingAdd. r=froydnj 
--HG--
extra : rebase_source : 3514c6487305e64ce19060cb05d39bc6eb2fd912
 2018-03-06 19:21:58 -08:00
Jeff Walden ba5975180b Bug 1443342 - Opt one HashFunctions.h function out of integer-overflow sanitizing and don't blacklist HashFunctions.h. r=froydnj 
--HG--
extra : rebase_source : a33b53362c1f9ce96df22a321990a45a224af9d6
 2018-03-01 17:11:33 -08:00
Jeff Walden 75f86d4202 Bug 1443342 - Remove HashFunctions.h's RotateBitsLeft32 and use the general RotateLeft function instead. r=froydnj 
--HG--
extra : rebase_source : 88ad42c5757d9f1f0df5590c647a840061523318
 2018-03-01 17:05:58 -08:00
Jeff Walden 25a7df6306 Bug 1441657 - Implement mozilla::WrappingMultiply. r=froydnj 
--HG--
extra : rebase_source : 57d1796976a25597ee4dda90561d40debc6a9fc9
 2018-02-15 17:36:55 -08:00
Ehsan Akhgari 2409266542 Bug 1379290 follow-up: Fix typo, DONTBUILD 2017-07-19 00:26:10 -04:00
Ehsan Akhgari 9ab7e769c8 Bug 1379290 - Improve the hashing of signed 64-bit integers by piggy-backing on the same mechanism as the one we use for hashing pointers; r=glandium 2017-07-19 00:00:19 -04:00
Jason Orendorff 5d60d5ca87 Bug 1312001 - Scramble hash codes securely, to avoid leaking bits of object and symbol addresses. 
MozReview-Commit-ID: yR1cIjrlPP

--HG--
extra : rebase_source : 871821e53eee5502cd255d52f02665f6845e3f09
 2016-11-30 15:31:56 -06:00
Chris Peterson 8949f73d27 Bug 1277106 - Part 1: Use VS2015's real char16_t instead of aliasing wchar_t. r=Waldo 
and remove MOZ_CHAR16_IS_NOT_WCHAR #ifdefs.
 2016-07-20 22:01:43 -07:00
Nicholas Nethercote 2511b2c327 Bug 1267550 (part 2) - Rename MOZ_WARN_UNUSED_RESULT as MOZ_MUST_USE. r=froydnj. 
It's an annotation that is used a lot, and should be used even more, so a
shorter name is better.

MozReview-Commit-ID: 1VS4Dney4WX

--HG--
extra : rebase_source : b26919c1b0fcb32e5339adeef5be5becae6032cf
 2016-04-27 14:16:50 +10:00
Xidorn Quan 8d2175de6e Bug 1119199 - Rewrite HashFunctions with variadic templates. r=waldo 
--HG--
extra : source : 0756924a2f04c8201c88530412af2feccafab623
 2015-01-13 10:48:10 +11:00
Eric Rahm 646d914437 Bug 1047176 - Part 3: Cast to unsigned char in HashString. r=froydnj 
--HG--
extra : rebase_source : c670d0ffb3edb5aee5932660a6be3fd3459033fa
 2014-08-04 11:29:33 -07:00
Nicholas Nethercote 9439ff268e Bug 1026319 - Convert the second quarter of MFBT to Gecko style. r=froydnj. 
--HG--
extra : rebase_source : 98d2557c7fe4648d79143c654e7e31767fca2e65
 2014-06-12 23:34:08 -07:00
Jan de Mooij d3b4e134f1 Bug 1023778 part 3 - Make AtomizeChars and js_NewStringCopyN accept Latin1 chars. r=luke 2014-06-13 20:51:05 +02:00
Ehsan Akhgari 1b83407ce9 Bug 927728 - Part 1: Replace PRUnichar with char16_t; r=roc 
This patch was automatically generated by the following script:

#!/bin/bash
# Command to convert PRUnichar to char16_t

function convert() {
echo "Converting $1 to $2..."
find . ! -wholename "*nsprpub*" \
       ! -wholename "*security/nss*" \
       ! -wholename "*modules/libmar*" \
       ! -wholename "*/.hg*" \
       ! -wholename "obj-ff-dbg*" \
       ! -name prtypes.h \
       ! -name Char16.h \
         -type f \
      \( -iname "*.cpp" \
         -o -iname "*.h" \
         -o -iname "*.c" \
         -o -iname "*.cc" \
         -o -iname "*.idl" \
         -o -iname "*.ipdl" \
         -o -iname "*.ipdlh" \
         -o -iname "*.mm" \) | \
    xargs -n 1 sed -i -e "s/\b$1\b/$2/g"
}

convert PRUnichar char16_t
 2014-01-04 10:02:17 -05:00
Ehsan Akhgari 763b16b0a6 Bug 924012 - Provide a HashString version for char16_t if needed; r=Waldo 2013-10-15 11:54:08 -04:00
Ehsan Akhgari 2824b29025 Bug 895322 - Part 1: Replace the usages of MOZ_STATIC_ASSERT with C++11 static_assert; r=Waldo 
This patch was mostly generated by running the following scripts on the codebase, with some
manual changes made afterwards:

# static_assert.sh
#!/bin/bash
# Command to convert an NSPR integer type to the equivalent standard integer type

function convert() {
echo "Converting $1 to $2..."
find . ! -wholename "*nsprpub*" \
       ! -wholename "*security/nss*" \
       ! -wholename "*/.hg*" \
       ! -wholename "obj-ff-dbg*" \
       ! -name nsXPCOMCID.h \
       ! -name prtypes.h \
         -type f \
      \( -iname "*.cpp" \
         -o -iname "*.h" \
         -o -iname "*.cc" \
         -o -iname "*.mm" \) | \
    xargs -n 1 `dirname $0`/assert_replacer.py #sed -i -e "s/\b$1\b/$2/g"
}

convert MOZ_STATIC_ASSERT static_assert
hg rev --no-backup mfbt/Assertions.h \
                   media/webrtc/signaling/src/sipcc/core/includes/ccapi.h \
                   modules/libmar/src/mar_private.h \
                   modules/libmar/src/mar.h


# assert_replacer.py
#!/usr/bin/python

import sys
import re

pattern = re.compile(r"\bMOZ_STATIC_ASSERT\b")

def replaceInPlace(fname):
  print fname
  f = open(fname, "rw+")
  lines = f.readlines()
  for i in range(0, len(lines)):
    while True:
      index = re.search(pattern, lines[i])
      if index != None:
        index = index.start()
        lines[i] = lines[i][0:index] + "static_assert" + lines[i][index+len("MOZ_STATIC_ASSERT"):]
        for j in range(i + 1, len(lines)):
          if lines[j].find("                 ", index) == index:
            lines[j] = lines[j][0:index] + lines[j][index+4:]
          else:
            break
      else:
        break
  f.seek(0, 0)
  f.truncate()
  f.write("".join(lines))
  f.close()

argc = len(sys.argv)
for i in range(1, argc):
  replaceInPlace(sys.argv[i])

--HG--
extra : rebase_source : 4b4a4047d82f2c205b9fad8d56dfc3f1afc0b045
 2013-07-18 13:59:53 -04:00
Ehsan Akhgari ef4b479714 Bug 872127 - Part 2: Replace mozilla/StandardInteger.h with stdint.h; r=Waldo,ted 2013-07-30 10:25:31 -04:00
Ms2ger 51f391870b Bug 896341 - Update include guards and modelines in MFBT; r=Waldo 2013-07-24 09:41:39 +02:00
Justin Lebar 532a674922 No bug - Fix typo in comment in mfbt/HashFunctions.h. DONTBUILD 2013-06-14 11:17:01 -07:00
Rafael Ávila de Espíndola 25843bd8a0 Bug 805416 - refactor macros to avoid the need for empty macro arguments. r=Waldo. 
--HG--
extra : rebase_source : 86242ff253d464870cdcc321f9b1f6f08460b839
 2012-10-30 16:12:22 -04:00
Nicholas Nethercote f32ed5397d Bug 647367 - Sequester jshash.{h,cpp} in js/jsd/ (attempt 2). r=luke. 
--HG--
rename : js/src/jshash.cpp => js/jsd/jshash.cpp
rename : js/src/jshash.h => js/jsd/jshash.h
 2012-07-18 17:38:10 -07:00
Jeff Walden b2d449c615 Eliminate Assertions.h's dependency on Types.h, for a narrower interface and minimized dependencies. No bug, r=Ms2ger 
--HG--
extra : rebase_source : b5c79dc444ef7277f2624ffe2407bca25a1054cd
 2012-06-11 16:16:46 -07:00
Ed Morley 5a59a93dac Backout 1c5a8d617bff (bug 765990), 617cb36ead59, b3067d05a76a (bug 760995), 79f9a61a1e43 (bug 426163) for bustage 2012-06-21 10:00:36 +01:00
Jeff Walden eb986aa0c7 Eliminate Assertions.h's dependency on Types.h, for a narrower interface and minimized dependencies. No bug, r=Ms2ger 
--HG--
extra : rebase_source : 0d68ef6274ad697bf4ff49038ef19368174dad54
 2012-06-11 16:16:46 -07:00
Jeff Walden 986ff95100 Style patrol to make everything conform to mfbt/STYLE. No bug, r=sparky 2012-06-03 20:36:43 -07:00
Jacek Caban d54cd7b4d7 Bug 735704 - RotateLeft32 conflicts with winnt.h macro r=Waldo 2012-03-15 13:43:28 +01:00
Justin Lebar f584e08122 Bug 729940 - Part 1: Add hash function utilities to mfbt. r=waldo 
--HG--
extra : rebase_source : 05f5c9f5c1e99e5bca012c57502a965423aeb10e
 2012-03-12 18:53:18 -04:00
Justin Lebar 0e41e0eb6e Bug 729952 - Part 3: Add missing #include. r=me 2012-03-02 17:46:09 -05:00
Justin Lebar 0d2f332e8c Bug 729952 - Part 1: Add a better hash function to mfbt. r=waldo 2012-03-02 17:18:21 -05:00