There are some problems here, this should fix one of them: the
getFilename function returns "<stdin>" for spelling locations, because
the input to clang is sort of preprocessed via -frewrite-includes if
icecream is used and the file is built on a remote host (whereas it's
apparently not preprocessed if the file is compiled locally by icecream).
Using getPresumedLoc() uses the #line directives in the preprocessed
input, which avoids the problem but is more expensive, so try to use it
only when necessary.
The getFileEntry(getMainFileID())->getName() pattern will also result
in "<stdin>", but fortunately icecream passes -main-file-name,
which oddly enough isn't used by the SourceManager's spelling locations,
but is available separately via CodeGenOptions.
This builds everything successfully with clang version 6.0.0:
ICECC_PREFERRED_HOST=myremote make check gb_SUPPRESS_TESTS=t
Change-Id: Ic121511683e5302d7b9d85186c8b9c4a5443fa1b
Reviewed-on: https://gerrit.libreoffice.org/54993
Tested-by: Jenkins
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>
This reverts commit b39e627be4. The assumed (see
comment at <https://gerrit.libreoffice.org/#/c/46769/4/compilerplugins/clang/
plugin.cxx@633>) performance bottleneck of isSamePathname -> getAbsolutePath
does show up in Flamegraph inspections of LO builds. But changing (non-member
function) isSamePathname to only call getAbsolutePath if (PluginHandlder member
function) isLOOLMode is true would need some code reorg, and Online development
doesn't seem to make too much actual use of the plugin, so conclusion on IRC was
to revert.
Change-Id: I0f04fdcc87087dac516630ed5e48361f5ea332ca
Reviewed-on: https://gerrit.libreoffice.org/51774
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
because my new rewriter easily generates overlapping rewriting.
Move the code from flatten and salcall up into the pluginhandler, and
drop the simpler detection logic.
Change-Id: I3da51ac510954a5d4276cee0924cc5dc1fc9a734
Reviewed-on: https://gerrit.libreoffice.org/49493
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
...to enable debug-only code in the plugins. Some situations in the plugin code
should never happen, yet must not by default report errors or trigger
assertions, as some newly written LO code could trigger them nevertheless (in
which case the plugin code will likely need to be adapted, to cater for these
presumed-impossible situations).
Such code can now be included in the plugins behind an if(isDebugMode()) guard,
and can explicitly be enabled with --enable-compiler-plugins=debug.
I deliberately made this a runtime rather than a compile time option (using
some #ifdef guards in the plugin code, say), as it IMO keeps the code more
readable, and also allows overridding COMPILER_PLUGINS_DEBUG=... on the make
command line.
Change-Id: Iea4f0c2783ad968a0de097fa710b3be1a248de73
Reviewed-on: https://gerrit.libreoffice.org/46096
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
...instead of blacklisting such cases. Reuses the
checkIdenticalDefaultArguments code that was originally in
loplugin:overrideparam (and appears to work reasonably well for the default
arguments that actually happen in practice).
Change-Id: I9cf2db17101beb135b2039a9b7ed335bd2af2c08
Reviewed-on: https://gerrit.libreoffice.org/44594
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
...which, according to callgrind, reduces instruction fetch count spent on
compiling sw/source/core/layout/paintfrm.cxx (randomly selected because it is
rather large) by 5% from 41,992,064,226 to 39,861,989,855 (function main() in
clang-6.0).
This is best done by forwarding ignoreLocation calls from Plugin to the
PluginHandler signleton, but due to the tight mutual coupling between plugin.hxx
and pluginhandler.hxx that unfortunately required some reorganization (and two
outstanding TODO clean-ups of temporarily introduced using declarations in
plugin.hxx).
Change-Id: Ia4270517d194def7db7ed80cb6894e9c473e9499
This can also call loplugin::isSamePathname with two paths that both contain
backslashes, so finally make it (and hasPathnamePrefix) symmetric in which
arguments my contain backslashes.
Change-Id: I0465988d9d41e21c5660cbdbd1558543860ae1ad
to getParentStmt and rename parentFunctionDecl to getParentFunctionDecl,
so I don't keep using accidentally naming my variables the same as the
functions.
Change-Id: I66f9452458c8b439e5132191ac5219fb6d420708
When the field in question is read from inside a constructor
initializer.
In the process, create some needed infrastructure in the plugin classes.
Change-Id: I2f440efa6912801a236727c9fe3180404616958c
Reviewed-on: https://gerrit.libreoffice.org/38960
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
...instead of merely getting a warning from PluginHandler::HandleTranslationUnit
after the fact. Such automatic rewriting should probably never be what one
wants.
Change-Id: I3829007224a197ebb4d55d24323b375cbbdf815c
mostly missing explicit before ctors and
uninitialized member vars
one odd use of std::find
> compilerplugins/clang/implicitboolconversion.cxx
> 800 stlIfFind warning Suspicious condition.
> The result of find() is an iterator, but it is not properly checked.
Change-Id: Iade53494cd7fe8ddb0e110e431449ae5a517fe3b
Reviewed-on: https://gerrit.libreoffice.org/24398
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
Tested-by: Stephan Bergmann <sbergman@redhat.com>
...that easily works around the problem that in a rewriter rewriting types of
VarDecls like
T x, y;
it would try to replace T twice. Also, keep the list of removals globally with
the (global) rewriter.
Change-Id: I55b8d11986c2a29e09ff40132fd114a0cc48dc90
...which can act as either a rewriter or a non-rewriter that emits warnings.
Also added COMPILER_PLUGIN_WARNINGS_ONLY=X to demote warnings from plugin X from
errors to warnings, even under --enable-werror.
Change-Id: I05361936240a890515c6bba2459565417c1746b7
Given that locations often point to a (start of) token, even if it's
e.g. getLocEnd(), this should be very useful.
Change-Id: I266e4c0a234262e99158c8f495b631f54f8a5608
Some improvements, like making it simple to actually remove a statement
or a token including its associated whitespace.
Change-Id: I02a5bd919f1fadae1dcd45a76f9d25df353ac518
Clang API doesn't provide this, but it's occasionally needed, and so far
the way has been inspecting the highest possible node in AST and walking down
and remembering, which is complicated, error-prone and annoying.
Change-Id: Id5b72cb5ebfc069e90efe6d673c0ef18ebcdab61
A different way to do 1c0669af2f1f58e6431b5e489ac48a883e242ba7.
Sometimes one piece of code can be represented several times in the AST,
e.g. with default function arguments.
Change-Id: Ic7799fa0bd918a638bdc8ebef69e6aa91d355bdc
This does not always work well, e.g. when building a return value
in a return statement from a temporary, there is CXXConstructExpr
containing CXXTemporaryObjectExpr, which both share the same location.
This reverts commit 1c0669af2f1f58e6431b5e489ac48a883e242ba7.
Turns out removeText( SourceRange ) treats it as a token range, so it's
not always character-exact if used for removal of only several characters
from a token (e.g. an identifier).
Change-Id: I0223d52da90f9535d9ef1d48b0f56d69131536c8
It's possible to get the latter from the former, and the former
is useful for other things too (access to the preprocessor, for example).
Change-Id: I708d709129fd3a35bf7c63da4de09c2e696b382d
If the clang binary comes from a package which had been built before
any of our clang related sources were changed the last time, the timestamp
would be older and so there would be no rebuild. So do the stamp handling
the usual way, clang upgrades will work fine, downgrades will not, but
that's the same problem like with downgrading a library and its headers.
To somewhat mitigate the problem (Clang plugin doesn't get cleaned by
'make clean'), include the full Clang version (which includes SVN revision)
in config_clang.h and make all Clang plugin code include that, so
at least configure re-run will trigger a rebuild if necessary.
Change-Id: I993197f79e92e36105092c92c33b2e1db343e975
