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Marc Mutz 629422607f QCompletionEngine: avoid a node allocation on lookup 
In matchHint() and lookupCache(), instead of checking for the
existence of 'parent' in 'cache', a new entry was created, if
needed.

However, the remainders of the functions could only fail in
that case, so don't allocate an empty map node here at all.
Wherever something sensible is added to the cache, there will
have to be an insertion of the same node anyway, so there's
no point doing that work here.

Allows to mark these functions const.

Also passed the QString argument by const-reference instead
of by value.

Done-with: Anton Kudryavtsev <a.kudryavtsev@netris.ru>
Change-Id: Ia873f246869a68eecaef83ce4a6b6369187456be
Reviewed-by: Anton Kudryavtsev <antkudr@mail.ru>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
2017-04-27 04:35:25 +00:00
bin don't try to timestamp injected qvulkanfunctions.h 2017-03-22 15:49:19 +00:00
config.tests xcb: Add experimental legacy support for native X11 painting 2017-04-21 10:56:02 +00:00
dist Add changes file for 5.8.0 2017-01-02 06:50:47 +00:00
doc Merge remote-tracking branch 'origin/5.9' into dev 2017-04-20 12:31:27 +02:00
examples Merge remote-tracking branch 'origin/5.9' into dev 2017-04-20 12:31:27 +02:00
lib Purge all fonts 2015-08-18 19:59:14 +00:00
mkspecs Merge remote-tracking branch 'origin/5.9' into dev 2017-04-20 12:31:27 +02:00
qmake QUuid: add fromString(QStringView/QLatin1String) 2017-04-20 17:02:44 +00:00
src QCompletionEngine: avoid a node allocation on lookup 2017-04-27 04:35:25 +00:00
tests tst_qstringapisymmetry: merge truncate() test into left() test 2017-04-27 04:35:21 +00:00
util Handle indirect sibling selector 2016-07-27 20:18:02 +00:00
.gitattributes Update the git-archive export options 2012-09-07 15:39:31 +02:00
.gitignore Overhaul .gitignore 2017-02-16 15:11:05 +00:00
.qmake.conf Bump version 2017-02-03 12:01:58 +00:00
.tag Update the git-archive export options 2012-09-07 15:39:31 +02:00
config_help.txt Merge remote-tracking branch 'origin/5.8' into 5.9 2017-02-24 20:01:42 +01:00
configure complain about various invalid configuration attempts 2017-01-06 20:10:10 +00:00
configure.bat reduce nesting in configure.bat 2017-01-10 12:44:21 +00:00
configure.json Merge remote-tracking branch 'origin/5.9' into dev 2017-04-07 10:24:33 +02:00
configure.pri Make build ABI available as qmake variable 2017-03-28 06:51:42 +00:00
header.BSD Add new license header templates and license files 2016-01-14 20:43:46 +00:00
header.BSD-OLD Add new license header templates and license files 2016-01-14 20:43:46 +00:00
header.COMM Add header template for commercial only modules 2015-10-19 10:37:18 +00:00
header.FDL Add new license header templates and license files 2016-01-14 20:43:46 +00:00
header.FDL-OLD Add new license header templates and license files 2016-01-14 20:43:46 +00:00
header.GPL Add new license header templates and license files 2016-01-14 20:43:46 +00:00
header.GPL-EXCEPT Add new license header templates and license files 2016-01-14 20:43:46 +00:00
header.LGPL Add new license header templates and license files 2016-01-14 20:43:46 +00:00
header.LGPL3 Update copyright headers 2015-02-11 06:49:51 +00:00
header.LGPL3-COMM Update copyright headers 2015-02-11 06:49:51 +00:00
header.LGPL21 Update copyright headers 2015-02-11 06:49:51 +00:00
header.LGPL-NOGPL2 Add new license header templates and license files 2016-01-14 20:43:46 +00:00
header.LGPL-ONLY Update copyright headers 2015-02-11 06:49:51 +00:00
INSTALL Doc: Update links in INSTALL file 2015-02-16 09:06:41 +00:00
LGPL_EXCEPTION.txt Update copyright headers 2015-02-11 06:49:51 +00:00
LICENSE.FDL Initial import from the monolithic Qt. 2011-04-27 12:05:43 +02:00
LICENSE.GPL2 Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.GPL3 Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.GPL3-EXCEPT Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.GPLv3 Expand license scope from "Qt GUI Toolkit" to "Qt Toolkit" 2016-06-15 07:02:32 +00:00
LICENSE.LGPL3 Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.LGPLv3 Expand license scope from "Qt GUI Toolkit" to "Qt Toolkit" 2016-06-15 07:02:32 +00:00
LICENSE.LGPLv21 Expand license scope from "Qt GUI Toolkit" to "Qt Toolkit" 2016-06-15 07:02:32 +00:00
LICENSE.PREVIEW.COMMERCIAL Add new license header templates and license files 2016-01-14 20:43:46 +00:00
qtbase.pro nuke configure -host-option 2016-12-13 18:55:59 +00:00
sync.profile Vulkan: Fix shadow builds 2017-04-05 09:03:18 +00:00