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90 Commits

Author SHA1 Message Date
Nicholas Nethercote
c2df231328 Bug 1174625 - Overhaul PLDHashTable's iterator. r=froydnj. 
This change splits PLDHashTable::Iterator::NextEntry() into two separate
functions, which allow you to get the current element and advance the iterator
separately, which means you can use a for-loop to iterate instead of a
while-loop.

As part of this change, the internals of PLDHashTable::Iterator were
significantly changed and simplified (and modelled after js::HashTable's
equivalent code). It's no longer duplicating code from PL_DHashTableEnumerator.
The chaos mode code was a casualty of this, but given how unreliable that code
has proven to be (see bug 1173212, bug 1174046) this is for the best. (We can
reimplement chaos mode once PLDHashTable::Iterator is back on more solid
footing again, if we think it's important.)

All these changes will make it much easier to add an alternative Iterator that
removes elements, which was turning out to be difficult with the prior code.

In order to make the for-loop header usually fit on a single line, I
deliberately renamed a bunch of things to have shorter names.

In summary, you used to write this:

  PLDHashTable::Iterator iter(&table);
  while (iter.HasMoreEntries()) {
    auto entry = static_cast<FooEntry*>(iter.NextEntry());
    // ... do stuff with |entry| ...
  }
  // iter's scope extends beyond here

and now you write this:

  for (auto iter = table.Iter(); !iter.Done(); iter.Next()) {
    auto entry = static_cast<FooEntry*>(iter.Get());
    // ... do stuff with |entry| ...
  }
  // iter's scope doesn't reach here
 2015-06-11 21:19:53 -07:00
Nicholas Nethercote
cd3feeddb4 Bug 1172761 (part 1) - Remove PL_DHashTableEnumerator use from nsAtomTable. r=froydnj. 2015-06-10 13:07:40 -07:00
Nicholas Nethercote
265569e6b8 Bug 1170416 (part 3) - Remove the PLDHashTable2 typedef. r=froydnj. 2015-05-19 16:46:17 -07:00
Nicholas Nethercote
d707ab22c7 Bug 1165768 (part 6) - Convert |gAtomTable| to |PLDHashTable2*|. r=froydnj. 2015-05-18 00:52:08 -07:00
Nicholas Nethercote
0addd071a9 Back out all four patches from bug 1161377. r=me. 
Due to Android startup regressions (bug 1163066) and plugin crashes (bug
1165155).
 2015-05-14 21:48:43 -07:00
Nicholas Nethercote
8a397036c0 Bug 1161377 (part 2.5) - Move all static PLDHashTable instances onto the heap to avoid static constructors. r=froydnj. 2015-05-12 17:33:22 -07:00
Andrew McCreight
eec6dea9ff Bug 1151541, part 2 - Fix mode lines in xpcom/. r=froydnj 2015-04-09 10:25:05 -07:00
Ehsan Akhgari
33bb32f549 Bug 1145631 - Part 1: Replace MOZ_OVERRIDE and MOZ_FINAL with override and final in the tree; r=froydnj 
This patch was automatically generated using the following script:

function convert() {
echo "Converting $1 to $2..."
find . \
       ! -wholename "*/.git*" \
       ! -wholename "obj-ff-dbg*" \
         -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 MOZ_OVERRIDE override
convert MOZ_FINAL final
 2015-03-21 12:28:04 -04:00
Nicholas Nethercote
74cc61fdfd Bug 1131901 (part 1) - Make PL_DHashTableAdd() infallible by default, and add a fallible alternative. r=froydnj. 
I kept all the existing PL_DHashTableAdd() calls fallible, in order to be
conservative, except for the ones in nsAtomTable.cpp which already were
followed immediately by an abort on failure.

--HG--
extra : rebase_source : 526d96ab65e4d7d71197b90d086d19fbdd79b7b5
 2015-02-02 14:48:58 -08:00
Andrew McCreight
2b516fc573 Bug 1131199, part 2 - Make PLDHashtInitEntry infallible. r=froydnj 
Also, drop the unused table argument.
 2015-02-11 09:46:40 -08:00
Nicholas Nethercote
44179aabe3 Back out changesets 2fcef6b54be7, 2be07829fefc, 66dfe37b8532, df3fcd2be8fd, 0a436bce77a6 (bug 1050035) for causing intermittent crashes and assertion failures. 
--HG--
extra : rebase_source : eb30be83c3143c6c203585a80a18f180025efaba
 2015-02-10 14:39:49 -08:00
Nicholas Nethercote
c326200932 Bug 1050035 (part 4) - Make PL_DHashTableAdd() infallible by default, and add a fallible alternative. r=froydnj. 
I kept all the existing PL_DHashTableAdd() calls fallible, in order to be
conservative, except for the ones in nsAtomTable.cpp which already were
followed immediately by an abort on failure.

--HG--
extra : rebase_source : eeba14d732077ef2e412f4caca852de6b6b85f55
 2015-02-02 14:48:58 -08:00
Nicholas Nethercote
c0a8a6e993 Bug 1123151 (part 2) - Add PLDHashTable::IsInitialized(). r=froydnj. 
This encapsulates most of the uses of PLDHashTable::ops.

--HG--
extra : rebase_source : 7760ce8e46a37e87dcfe590e809a21df01fe510f
 2015-01-19 16:11:34 -08:00
Nicholas Nethercote
a5c8dbfaf4 Bug 1123151 (part 1) - Set PLDHashTable::ops consistently. r=froydnj. 
Currently the setting of PLDHashTable::ops is very haphazard.

- PLDHashTable has no constructor, so it's not auto-nulled, so lots of places
  null it themselves.

- In the fallible PLDHashTable::Init() function, if the entry storage
  allocation fails we'll be left with a table that has |ops| set -- indicating
  it's been initialized -- but has null entry storage. I'm not certain this can
  cause problems but it feels unsafe, and some (but not all) callers of Init()
  null it on failure.

- PLDHashTable does not null |ops| in Finish(), so some (but not all) callers
  do this themselves.

This patch makes things simpler.

- It adds a constructor that zeroes |ops|.

- It modifies Init() so that it only sets |ops| once success is ensured.

- It zeroes |ops| in Finish().

- Finally, it removes all the now-unnecessary |ops| nulling done by the users
  of PLDHashTable.

--HG--
extra : rebase_source : bb34979c218d152562a2f9c7e5215256c111cc5b
 2015-01-19 16:01:24 -08:00
Ehsan Akhgari
56dfa74dcd Bug 1122995 - Clarify the lifetime rules applying to the permanent and non-permanent nsIATOM* members in nsAtomTable.cpp; r=froydnj 2015-01-19 09:03:10 -05:00
Nicholas Nethercote
5a62e7fcbf Bug 1121304 (part 2, attempt 2) - Remove PLDHashTableOps::{alloc,free}Table. r=froydnj. 
--HG--
extra : rebase_source : bc119bd0d3b6944e8c5a000950e0c4052cb70aef
 2015-01-14 14:35:56 -08:00
Phil Ringnalda
9a3738d626 Backed out 2 changesets (bug 1121304) for consistent b2g hangs in webgl-color-test.html?frame=1&__&preserve&premult&_____ 
Backed out changeset 20651ac19549 (bug 1121304)
Backed out changeset 758afec77c95 (bug 1121304)
 2015-01-14 22:02:23 -08:00
Nicholas Nethercote
7e78186cb9 Bug 1121304 (part 2) - Remove PLDHashTableOps::{alloc,free}Table. r=froydnj. 2015-01-14 14:35:56 -08:00
Nicholas Nethercote
e7f3233097 Bug 1120476 (part 4) - Remove PLDHashTableOps::finalize. r=froydnj. 
--HG--
extra : rebase_source : b14dda8cdd5cd896d1e32950e38b2a9f7da4d99e
 2015-01-13 19:02:35 -08:00
Nicholas Nethercote
00b5865c2a Bug 1120476 (part 3) - Remove PLDHashTable::data. r=froydnj. 
--HG--
extra : rebase_source : 24d10af3dbce3ada5252503bc80bb1a4e31bc1c9
 2015-01-13 16:42:13 -08:00
Michael Pruett
9424a24884 Bug 1118024 - Add explicit PL_DHashTable{Add,Lookup,Remove} functions. r=nfroyd 2015-01-05 20:26:50 -06:00
Nicholas Nethercote
8b3951c20f Bug 1057912 - Privatize most of PLDHashTable's fields. r=roc. 
--HG--
extra : rebase_source : 0f55e70b63d9c191fbd9418cb1177ff534deeed9
 2014-08-25 16:56:33 -07:00
Nicholas Nethercote
8c60d14a1a Bug 1050009 - Initialize pldhash tables with a length, not a capacity. r=roc. 
* * *
imported patch rm-dummy-params

--HG--
extra : rebase_source : c25987eb11bae197218d5fc53b77def19afa36ac
 2014-08-06 06:31:21 -07:00
Nicholas Nethercote
d2e16bf467 No bug. Remove two "njn: ..." comments I accidentally left in. r=me. 
DONTBUILD because the patches contains only trivial comment changes.

--HG--
extra : rebase_source : ecc0bd10c43c6d4223f5301ff11cbd2a56c9912b
 2014-08-06 16:19:55 -07:00
Nicholas Nethercote
91ad4f1869 Bug 1047220 - Shrink the static atoms table. r=bz. 
--HG--
extra : rebase_source : a7f8d54cce7f20d784371348f0d0cabdacf43c0a
 2014-07-31 22:57:13 -07:00
Nicholas Nethercote
2d1ea36d04 Bug 1046529 (part 2) - Ensure static atoms always end up in gStaticAtomTable. r=bz,hsivonen. 2014-07-30 23:22:42 -07:00
Nicholas Nethercote
d4369ce42c Bug 1046529 (part 1) - Split and simplify AtomTableKey's constructors. r=bz. 2014-07-30 23:22:40 -07:00
Nicholas Nethercote
8d08337d89 Bug 1046477 (part 2) - Don't measure the heap size of static atoms. r=froydnj. 
--HG--
extra : rebase_source : c96563845a8a67ee815ba0b84108321cadfa62dd
 2014-07-30 23:19:23 -07:00
Nicholas Nethercote
2a946ed913 Bug 1046477 (part 1) - Separate the reporting of the main and static atoms tables. r=froydnj. 
--HG--
extra : rebase_source : c60db11fc39d180e43f22e7f395eea24cd358aa3
 2014-07-30 23:06:57 -07:00
Birunthan Mohanathas
920e5a9c34 Bug 1022456 - Convert xpcom/ds/ to Gecko style. r=froydnj 2014-07-09 08:15:21 -07:00
Birunthan Mohanathas
ff8ce9bd42 Bug 900908 - Part 3: Change uses of numbered macros in nsIClassInfoImpl.h/nsISupportsImpl.h to the variadic variants. r=froydnj 2014-04-27 03:06:00 -04:00
Ehsan Akhgari
5b9f45a1a5 Bug 798158 - Part 1: Use a pointer-sized type to store refcounts internally; r=bsmedberg 2014-03-27 16:38:33 -04:00
Kyle Huey
e78b977cbc Bug 967364: Use every already_AddRefed. r=bsmedberg 2014-03-15 12:00:16 -07:00
Andrew McCreight
537eb6fa81 Bug 962608 - Make PL_DHashTableInit infallible by default. r=briansmith,bsmedberg,ehsan,froydnj,jduell,jfkthame,roc,smaug 2014-02-27 10:04:09 -08:00
Ehsan Akhgari
ebd358dfd7 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
Chris Peterson
d98938d032 Bug 945613 - Part 3: #ifdef pragma for gcc >= 4.7.0. r=ehsan 2013-12-06 09:47:28 -08:00
Chris Peterson
53aeb5d833 Bug 945613 - Part 1: Suppress -Wdelete-non-virtual-dtor warning in nsAtomTable.cpp. r=ehsan 2013-12-01 12:06:29 -08:00
Benjamin Smedberg
041396b09d Bug 938794 - Annotate OOM size as infallible string or data structures abort, r=froydnj 
--HG--
extra : rebase_source : f84278dfbba92c6d75458b525a559b6f8598500f
 2013-11-25 15:06:17 -05:00
Olli Pettay
d7b5ba55cb Bug 732815, make Atom's hash value to be the same what strings use, r=bz 2013-11-09 01:29:09 +02:00
Ehsan Akhgari
b4cc06df88 Bug 918923 - Part 2: Switch to #including nsString.h in code using the internal strings API; r=bsmedberg 2013-09-23 13:25:00 -04:00
Ehsan Akhgari
7ee5f54d35 Bug 918105 - Minimize the #includes in xpcom/ds; r=bsmedberg 2013-09-19 15:31:21 -04:00
Joshua Cranmer
821f9d62df Bug 904985, part 2: Use char16_t for NS_LITERAL_STRING, r=glandium, dbaron. 
--HG--
extra : rebase_source : b4c9def93d907724fb4a1bc3f6279db87a11fb1f
 2013-09-17 22:43:12 -05:00
Robert O'Callahan
33cdb42706 Bug 910989. Remove nsTHashtable::Init, fallible allocation, and MT hashtables. r=ehsan,bsmedberg 
--HG--
extra : rebase_source : 0787130b1814c74bfb38dc178de94022f0b2e64e
 2013-09-02 20:41:57 +12:00
Nathan Froyd
6230cde5a9 Bug 901976 - don't null-check |new X| in xpcom/; r=bsmedberg 2013-08-05 11:16:53 -04:00
Ehsan Akhgari
5ee21d6d3f 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
Justin Lebar
6c46d0633d Bug 820686 - Remove code after MOZ_CRASH or MOZ_ASSUME_NOT_REACHED. r=(see below) 
r=tbsaunde for accessible
r=jmuizelaar for gfx
r=waldo for js
r=roc for layout
r=glandium for mozglue
r=jduell for netwerk
r=khuey for everything else
 2013-06-28 18:38:32 -07:00
Justin Lebar
75c400493b Bug 802686 - s/MOZ_NOT_REACHED/MOZ_CRASH/ in Gecko. r=(see below) 
r=tbsaunde for accessible
r=jmuizelaar for gfx
r=roc for layout
r=glandium for mozglue
r=jduell for netwerk
r=khuey for everything else

This is a mechanical change made with sed.  Later patches in this queue
clean up the whitespace errors and so on.
 2013-06-28 18:38:30 -07:00
Catalin Iacob
4f03e5bb1a Bug 798914 (part 5) - Use newly introduced mozilla::MallocSizeOf instead of nsMallocSizeOfFun. r=njn. 
--HG--
extra : rebase_source : fc472490dd978d165f02f77ed37f07aed6e5bb61
 2013-06-23 14:03:39 +02:00
Aryeh Gregor
d183f6f9bc Bug 859817 - Make nsStringBuffer::Alloc return already_AddRefed; r=bz 2013-04-22 14:13:22 +03:00
Aryeh Gregor
e0a4cd5848 Bug 859817 - Make NS_NewAtom return already_AddRefed; r=bz 2013-04-22 14:13:22 +03:00