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...following up on 314f15bff08b76bf96acf99141776ef64d2f1355 "Extend
loplugin:external to warn about enums".
Cases where free functions were moved into an unnamed namespace along with a
class, to not break ADL, are in:
filter/source/svg/svgexport.cxx
sc/source/filter/excel/xelink.cxx
sc/source/filter/excel/xilink.cxx
svx/source/sdr/contact/viewobjectcontactofunocontrol.cxx
All other free functions mentioning moved classes appear to be harmless and not
give rise to (silent, even) ADL breakage. (One remaining TODO in
compilerplugins/clang/external.cxx is that derived classes are not covered by
computeAffectedTypes, even though they could also be affected by ADL-breakage---
but don't seem to be in any acutal case across the code base.)
For friend declarations using elaborate type specifiers, like
class C1 {};
class C2 { friend class C1; };
* If C2 (but not C1) is moved into an unnamed namespace, the friend declaration
must be changed to not use an elaborate type specifier (i.e., "friend C1;"; see
C++17 [namespace.memdef]/3: "If the name in a friend declaration is neither
qualified nor a template-id and the declaration is a function or an
elaborated-type-specifier, the lookup to determine whether the entity has been
previously declared shall not consider any scopes outside the innermost
enclosing namespace.")
* If C1 (but not C2) is moved into an unnamed namespace, the friend declaration
must be changed too, see <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71882>
"elaborated-type-specifier friend not looked up in unnamed namespace".
Apart from that, to keep changes simple and mostly mechanical (which should help
avoid regressions), out-of-line definitions of class members have been left in
the enclosing (named) namespace. But explicit specializations of class
templates had to be moved into the unnamed namespace to appease
<https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92598> "explicit specialization of
template from unnamed namespace using unqualified-id in enclosing namespace".
Also, accompanying declarations (of e.g. typedefs or static variables) that
could arguably be moved into the unnamed namespace too have been left alone.
And in some cases, mention of affected types in blacklists in other loplugins
needed to be adapted.
And sc/qa/unit/mark_test.cxx uses a hack of including other .cxx, one of which
is sc/source/core/data/segmenttree.cxx where e.g. ScFlatUInt16SegmentsImpl is
not moved into an unnamed namespace (because it is declared in
sc/inc/segmenttree.hxx), but its base ScFlatSegmentsImpl is. GCC warns about
such combinations with enabled-by-default -Wsubobject-linkage, but "The compiler
doesn’t give this warning for types defined in the main .C file, as those are
unlikely to have multiple definitions."
(<https://gcc.gnu.org/onlinedocs/gcc-9.2.0/gcc/Warning-Options.html>) The
warned-about classes also don't have multiple definitions in the given test, so
disable the warning when including the .cxx.
Change-Id: Ib694094c0d8168be68f8fe90dfd0acbb66a3f1e4
Reviewed-on: https://gerrit.libreoffice.org/83239
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
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Change-Id: Ia3f05662cc9542feeac3096d29e9dec6d1858620
Reviewed-on: https://gerrit.libreoffice.org/67558
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
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Change-Id: I698761540c868b0448be47ffccf663972664f76b
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Change-Id: I82e366fefd2e31928b99840fe76649cc3521e623
Reviewed-on: https://gerrit.libreoffice.org/38789
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Tested-by: Noel Grandin <noel.grandin@collabora.co.uk>
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Check for a macro that is defined by the compiler, we don't really need
one defined by the build system.
Change-Id: Iccb8e3198396881395c97a6b81690ebe64b7e9d2
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Change-Id: I29c40113f9248f9041dacc398416f39889f5ddf8
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Change-Id: Iedb9b26dbe33d447de309a763eaeeeb57d1fcdd1
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Change-Id: I275d67b2878400cd0774f21b1a7489a0dd392e82
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stage 1 of replacing usage of various checks for the windows platform
with the compiler-defined '_WIN32' macro
Change-Id: Iece73abdee530937e0737190b1aa97a46cd3075f
Reviewed-on: https://gerrit.libreoffice.org/22390
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Stahl <mstahl@redhat.com>
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...as in both files the direct use of non-ASCII characters in ordinary string
literals has since been changed to use \xXX escapes instead
Change-Id: Ic3e17a9849288a02dc69d7702782fefccb7026ee
Reviewed-on: https://gerrit.libreoffice.org/20148
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
Tested-by: Stephan Bergmann <sbergman@redhat.com>
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Change-Id: I7eba9260b33e0b92ed997bf624d866644a091f29
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Change-Id: Ifaa1637122d6f9cae1e29b77ac36ca5d1f220aed
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Use ksc5601.h header from XFree86 Project Inc. Patch contributed by
Oliver-Rainer Wittmann with minor changes from Pedro Giffuni
http://svn.apache.org/viewvc?view=revision&revision=1179296
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