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path: root/compilerplugins/clang/plugin.hxx
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2019-10-08better name for a function in compilerpluginsLuboš Luňák
The function is not just about a spelling location. Change-Id: I96e9e9ef7e27a9763397b4b86473c1c30d0e3eeb Reviewed-on: https://gerrit.libreoffice.org/80381 Tested-by: Jenkins Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
2019-08-27loplugin:referencecasting find more redundant static_castNoel Grandin
Change-Id: I3a51812bbd3fcdc6b11e47cb12962f0d4fa7a2ae Reviewed-on: https://gerrit.libreoffice.org/78191 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2019-07-17make some plugins used the shared frameworkNoel Grandin
Change-Id: Ie283a4774564f25e0fde8ca35212f92be786d671 Reviewed-on: https://gerrit.libreoffice.org/75785 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2019-05-27fix compilerplugin rebuilding when system clang changesLuboš Luňák
Since Clang doesn't keep backwards binary compatibility, it's necessary to rebuild when Clang (major version?) changes. This was broken because e.g. check.cxx didn't include plugin.hxx, and so it didn't depend on config_clang.h . Now simply force timestamp change if config_clang.h changes. This still needs re-running configure though. Change-Id: Icbc404b37105599f1ca6c8996f5a3d45d50082db Reviewed-on: https://gerrit.libreoffice.org/72976 Tested-by: Jenkins Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
2019-05-27Revert "Remove broken rebuild of compilerplugins when CLANG_FULL_VERSION..."Luboš Luňák
This reverts commit efe28895498b03f1468a9dc9f510452f36affc2f. It is that commit that is broken. The only thing that does not work is that not all compilerplugin sources depend on config_clang.h, the rest is fine. So instead of reverting something that in principle works (and even complaining in the commit message about the original problem), just fix it (will do in next commit). Change-Id: Ic7766a97220d5b7ef1cd195320899564140fdf1c Reviewed-on: https://gerrit.libreoffice.org/72975 Tested-by: Jenkins Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
2019-05-10an uno -> a unoCaolán McNamara
Change-Id: I538db88f8477dd2d2ad25c372928fec6c11d979d Reviewed-on: https://gerrit.libreoffice.org/72105 Tested-by: Jenkins Reviewed-by: Caolán McNamara <caolanm@redhat.com> Tested-by: Caolán McNamara <caolanm@redhat.com>
2019-03-12make (some) clang plugins share the same RecursiveASTVisitorLuboš Luňák
Each plugin currently uses its own recursive AST run, which adds up. This patch adds another shared plugin which internally contains all (suitable) plugins and dispatches to them from the same one recursive run. This patch converts ~25 plugins and for starmath's accessibility.cxx reduces clang build time from 5.43s to 5.14s (and it's 4.39s without any plugins). As there are almost 50 more plugins to go, this can theoretically result in 4.56s final time, although probably not all plugins can be that easily converted, if at all. This mostly requires very little change in many plugins (see e.g. BadStatics), some even work without any functionality change (e.g. CharRightShift). Traverse* calls require some changes but are often not that difficult. WalkUp* probably can't be supported, although some plugins can(?) possibly be adjusted to not rely on them. And of course some plugins can be left as they are, using their own recursive run. See description at the top of generator.cxx for description of how to convert a plugin. The sharedvisitor.cxx source is generated based on scanning relevant plugin sources using a clang-based scanner/generator. The generated source is intentionally included instead of getting always generated, as the generating currently takes some time, so it should get updated in git whenever a change in a plugin triggers a source change in it. Change-Id: Ia0d2e3a5a464659503dbb4ed6c20b6cc89b4de01 Reviewed-on: https://gerrit.libreoffice.org/68026 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk> Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
2018-12-06Remove broken rebuild of compilerplugins when CLANG_FULL_VERSION changedStephan Bergmann
Not all compilerplugins/clang/*.cxx depend on config_clang.h (e.g., check.cxx doesn't), so this mechanism trying to rebuild compilerplugins once the underlying Clang installation changes doesn't work reliably in practice (just debugged through this with Miklos on IRC, and it wasn't the first time that `make distclean` fixed compilerplugins for somebody after they upgraded their Clang installation). Removing the brittle mechanism shows that plugin.hxx doesn't actually depend on config_clang.h. (There's a second mechanism trying to rebuild compilerplugins once the underlying Clang installation changes, namely > # Clang most probably doesn't maintain binary compatibility, so rebuild when clang changes. > $(CLANGOUTDIR)/clang-timestamp: $(CLANGDIR)/bin/clang$(CLANG_EXE_EXT) > $(QUIET)touch $@ in compilerplugins/Makefile-clang.mk, but that doesn't work reliably either, as it depends on the newly installed clang executable being newer than our clang-timestamp file, which will be the case for self-built Clang installations, but not necessarily when updating e.g. a distro-provided Clang installation.) Change-Id: Ie576f14356b3f0e55444375095c86aa851404bf3 Reviewed-on: https://gerrit.libreoffice.org/64623 Tested-by: Jenkins Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
2018-08-14Adapt new code to getLocStart renameStephan Bergmann
Change-Id: I96cabd351e06de6b3e728c456bd05156572822c9
2018-08-14filter out some of the AST in the pluginsNoel Grandin
by checking if the current namespace decl is in our code, so we have to scan less stuff, which results in a 10% perf improvement for me Change-Id: Idf0e30d57b6d0dcd13daa9ed679c28b9d233d387 Reviewed-on: https://gerrit.libreoffice.org/58942 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2018-08-10Avoid -Werror=deprecated-declarations with recent Clang trunkStephan Bergmann
...which first added alternative names to and then deprecated getLocBegin/End Change-Id: Iaefb8ce259057abfa6cd20f0b63c0ef2949a96b2 Reviewed-on: https://gerrit.libreoffice.org/58820 Tested-by: Jenkins Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
2018-07-06compilerplugins: try to make these work with icecreamMichael Stahl
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>
2018-03-23Revert "Allow compiler plugins for online"Stephan Bergmann
This reverts commit b39e627be45f847554f11fdac040b6f4da4054ba. 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>
2018-02-10improve loplugin rewriter double source modification detectionNoel Grandin
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>
2017-12-21Allow compiler plugins for onlinePranav Kant
Change-Id: I8e45936ef5675d531be71496e8894b90eaf2f6e2 Reviewed-on: https://gerrit.libreoffice.org/46769 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: pranavk <pranavk@collabora.co.uk>
2017-12-08New --enable-compiler-plugins=debug modeStephan Bergmann
...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>
2017-11-11loplugin:unnecessaryoverride: suppress warnings when default args differStephan Bergmann
...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>
2017-11-07Clean away temporarily added using declarationsStephan Bergmann
Change-Id: I26734c13515394162d88351a1cbe2b20abdac865
2017-11-07Memoize ignoreLocation resultsStephan Bergmann
...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
2017-10-27Adapt loplugin:includeform to Windows \ path separatorStephan Bergmann
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
2017-10-27revert small part of previous commitNoel Grandin
not necessary after all Change-Id: I050ed0cc140969f2d32839f3a7841b240fd0efd0
2017-10-27extract some common code for checking if a functions address was takenNoel Grandin
Change-Id: I292b4e9bf17c83f83ff43ac4c5870d33092d0c71
2017-10-27no need to build the parent tree twiceNoel Grandin
lets just use the built in parents stuff Change-Id: I7bb705acfcd6c8c18168676b0cdb13c26ba5b95a
2017-10-27rename loplugin::Plugin::parentStmtNoel Grandin
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
2017-08-02remove unnecessary use of 'this->'Noel Grandin
Change-Id: I5c115389af7d24c18ddaf5fbec8c00f35017a5b4 Reviewed-on: https://gerrit.libreoffice.org/40671 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2017-07-22make oncevar plugin ignore methods with #ifdef-eryNoel Grandin
Change-Id: I8a9cf2c4b81b95bf654f7e90306328d72e3d3408 Reviewed-on: https://gerrit.libreoffice.org/40280 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2017-06-20reformat some loplugin codeNoel Grandin
to match our more normal conventions. Also drop the 'using std' and some other cruft Change-Id: I02ef81c5427188bc03a20b157a57a900a9d7bf0d
2017-06-20loplugin:unusedfields fix false positiveNoel Grandin
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>
2017-05-18Refuse to rewrite in workdirStephan Bergmann
...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
2017-05-18Adapt pathname checks to mixed usage of \ and / on WindowsStephan Bergmann
Change-Id: I91bc89a9076c6642e06b238f65f2d31a1d20c6b5
2017-03-25Fix typosAndrea Gelmini
Change-Id: If92860597a44ee79b513d255ce3f21112485a97e Reviewed-on: https://gerrit.libreoffice.org/35617 Reviewed-by: Julien Nabet <serval2412@yahoo.fr> Tested-by: Julien Nabet <serval2412@yahoo.fr>
2016-10-18loplugins: extract some common functionalityNoel Grandin
Change-Id: If470e1d9b481c9eda0829aa985152baf8fb46d7a
2016-09-27clang plugins: do "dotdot" normalisationNoel Grandin
which fixes some false positives Change-Id: I555349180b5ca819f29695789f1545ba2177bd09 Reviewed-on: https://gerrit.libreoffice.org/29320 Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk> Tested-by: Noel Grandin <noel.grandin@collabora.co.uk>
2016-06-28loplugin: move parentFunctionDecl() into common codeNoel Grandin
Change-Id: Ia10a76a98a63c6ea3b516d9146281f672b213ab3
2016-04-27cppcheck: silence warnings in compilerpluginsJochen Nitschke
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>
2016-02-26That #if for Clang < 3.2 is probably good to go by nowStephan Bergmann
Change-Id: I019405884dec5767de733e3fa0114b3b461e777d
2014-06-24compilerplugins: move isUnoIncludeFile to base classNoel Grandin
to reduce copy-pasted code Change-Id: I7728d85dea7d0161998c326d6648ca681a8250d0
2014-02-27Remove visual noise from compilerpluginsAlexander Wilms
Change-Id: Ibfed0b64bd60804fa377b5e25e5f197a7772d605 Signed-off-by: Stephan Bergmann <sbergman@redhat.com>
2014-02-21Handle ImplicitCastExpr w/ invalid loc from Objective C codeStephan Bergmann
Change-Id: I82cb8aa53ea5fd86d6ff46af876dd3f55e1123d1
2014-02-20Don't attempt to actually do double code removalsStephan Bergmann
...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
2014-02-14const improvementStephan Bergmann
Change-Id: I03815f33117a2927b1882d221f159a5de8d3ba78
2014-01-27Prepare dual-mode compiler plugin featureStephan Bergmann
...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
2013-09-22add mode lines to new files (and idls) since last runCaolán McNamara
Change-Id: Id1e74f18c90e69d1a781c8f02e30dc3c005ed4fd
2013-08-21helper for getting location after current tokenLuboš Luňák
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
2013-08-21update/rework the Rewriter wrapper functionsLuboš Luňák
Some improvements, like making it simple to actually remove a statement or a token including its associated whitespace. Change-Id: I02a5bd919f1fadae1dcd45a76f9d25df353ac518
2013-08-06error: cannot use dynamic_cast with -fno-rttiStephan Bergmann
...with recent Clang trunk towards 3.4 Change-Id: Ie0991c7bd560c30551aeaada426382a889b46391
2013-06-20make it easy to get a parent of an AST nodeLuboš Luňák
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
2013-05-06check for double modifications in compiler pluginsLuboš Luňák
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
2013-05-06Revert "ignore already seen locations in compiler plugins"Luboš Luňák
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.
2013-05-06ignore already seen locations in compiler pluginsLuboš Luňák
Change-Id: Icba8dfa61aee7237af569b2414b1cf4ce93ca476
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