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2012-07-07Revert rr159875, "Implement -Wpedantic and --no-pedantic to complement ↵NAKAMURA Takumi
-Weverything." It broke several builds. I suspect FileCheck might match assertion failure, even if clang/test/Misc/warning-flags.c passed the test. > 0. Program arguments: bin/./clang -### -pedantic -Wpedantic clang/test/Driver/warning-options.cpp git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159886 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-06Implement -Wpedantic and --no-pedantic to complement -Weverything.Ted Kremenek
This patch introduces some magic in tablegen to create a "Pedantic" diagnostic group which automagically includes all warnings that are extensions. This allows a user to suppress specific warnings traditionally under -pedantic used an ordinary warning flag. This also allows users to use #pragma to silence specific -pedantic warnings, or promote them to errors, within blocks of text (just like any other warning). -Wpedantic is NOT an alias for -pedantic. Instead, it provides another way to (a) activate -pedantic warnings and (b) disable them. Where they differ is that -pedantic changes the behavior of the preprocessor slightly, whereas -Wpedantic does not (it just turns on the warnings). The magic in the tablegen diagnostic emitter has to do with computing the minimal set of diagnostic groups and diagnostics that should go into -Wpedantic, as those diagnostics that already members of groups that themselves are (transitively) members of -Wpedantic do not need to be included in the Pedantic group directly. I went back and forth on whether or not to magically generate this group, and the invariant was that we always wanted extension warnings to be included in -Wpedantic "some how", but the bookkeeping would be very onerous to manage by hand. -no-pedantic (and --no-pedantic) is included for completeness, and matches many of the same kind of flags the compiler already supports. It does what it says: cancels out -pedantic. One discrepancy is that if one specifies --no-pedantic and -Weverything or -Wpedantic the pedantic warnings are still enabled (essentially the -W flags win). We can debate the correct behavior here. Along the way, this patch nukes some code in TextDiagnosticPrinter.cpp and CXStoredDiagnostic.cpp that determine whether to include the "-pedantic" flag in the warning output. This is no longer needed, as all extensions now have a -W flag. This patch also significantly reduces the number of warnings not under flags from 229 to 158 (all extension warnings). That's a 31% reduction. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159875 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-06Implement AST classes for comments, a real parser for Doxygen comments and aDmitri Gribenko
very simple semantic analysis that just builds the AST; minor changes for lexer to pick up source locations I didn't think about before. Comments AST is modelled along the ideas of HTML AST: block and inline content. * Block content is a paragraph or a command that has a paragraph as an argument or verbatim command. * Inline content is placed within some block. Inline content includes plain text, inline commands and HTML as tag soup. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159790 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-05[analyzer] Add a statistic for maximum CFG size and a script to summarize ↵Anna Zaks
analyzer stats from scan-build output. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159776 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-03clang/utils/TableGen/ClangAttrEmitter.cpp: Fix abuse of StringRef (from ↵NAKAMURA Takumi
getValueAsString()). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159662 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20Fix a thinko and a stray debugging hunk in my attributes patch. Thanks to JordanSean Hunt
Rose and Richard Smith for catching these. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158826 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-19Reapply r158700 and fixup patches, minus one hunk that slipped through andSean Hunt
caused a crash in an obscure case. On the plus side, it caused me to catch another bug by inspection. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158767 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-19Revert r158700 and dependent patches r158716, r158717, and r158731.Jakob Stoklund Olesen
The original r158700 caused crashes in the gcc test suite, g++.abi/vtable3a.C among others. It also caused failures in the libc++ test suite. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158749 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-19Remove redundant uses of SmallStringSean Hunt
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158731 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-19Stop abusing StringRef. Fixes the Windows build.Sean Hunt
I've also removed the duplicate check for PARSED_ATTR since it seems unnecessary, and would have made the code more complicated. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158716 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-19Improve the specification of spellings in Attr.td.Sean Hunt
Note that this is mostly a structural patch that handles the change from the old spelling style to the new one. One consequence of this is that all AT_foo_bar enum values have changed to not be based off of the first spelling, but rather off of the class name, so they are now AT_FooBar and the like (a straw poll on IRC showed support for this). Apologies for code churn. Most attributes have GNU spellings as a temporary solution until everything else is sorted out (such as a Keyword spelling, which I intend to add if someone else doesn't beat me to it). This is definitely a WIP. I've also killed BaseCheckAttr since it was unused, and I had to go through every attribute anyway. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158700 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-18Handle C++11 attribute namespaces automatically.Sean Hunt
Now, as long as the 'Namespaces' variable is correct inside Attr.td, the generated code will correctly admit a C++11 attribute only when it has the appropriate namespace(s). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158661 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-13Make clang-tblgen backends functions instead of TableGenBackends.Jakob Stoklund Olesen
Get rid of a bunch of header files. TableGen output should be unaffected. Patch by Sean Silva! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158388 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-08[analyzer] Use "issue hash" in CmpRuns; followup on r158180Anna Zaks
(For the future: It would be more efficient to produce a hash key with the embedded function info inside the compiler.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158187 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-07Minor comments and changes to clang-completion-mode.el, from David Wood!Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158174 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-01[analyzer] SATestBuild should execute SVN updates even if Verbose is off.Jordan Rose
Also, re-use glob results when looking for failure logs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157817 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-01[analyzer] Fix SATestAdd to work with SATestBuild.Jordan Rose
Also, eliminate global 'IsReferenceBuild' in SATestBuild. It doesn't get passed around that much. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157816 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-31Updating the visualizers to include more datatypes. Patch thanks to Jay ↵Aaron Ballman
Blanchard. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157763 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-30TableGen: Remove extraneous '\' at EOL in generated tests.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157700 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-22Fix typo.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157229 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-22Use Perl prototypes instead of shift.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157228 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-21Add basic delta-debugging script used for reducing analyzer crasher test cases.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157219 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-16SmallString Visual Studio visualizer by Will Wilson.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156959 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-15Fix our handling of visibility in explicit template instantiations.Rafael Espindola
* Don't copy the visibility attribute during instantiations. We have to be able to distinguish struct HIDDEN foo {}; template<class T> DEFAULT void bar() {} template DEFAULT void bar<foo>(); from struct HIDDEN foo {}; template<class T> DEFAULT void bar() {} template void bar<foo>(); * If an instantiation has an attribute, it takes precedence over an attribute in the template. * With instantiation attributes handled with the above logic, we can now select the minimum visibility when looking at template arguments. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156821 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-11Teach the parser to deal with multiple spellings for the sameDouglas Gregor
attribute, rather than requiring multiple cases in consumers of this information. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156666 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-09ARM: Support marking intrinsic definitions as 'unavailable'Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156490 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-04Remove DiagGroups from notes, and add a TableGen assertion to catch them.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156192 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Replace the StringSwitch in AttributeList::getKind() with aDouglas Gregor
TableGen-generated StringMatcher, for a 1.2% speedup in -fparse-only time in <rdar://problem/11004361>. Thanks to Benjamin for pointing me at StringMatcher! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156003 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Introduce the notion of 'ignored' attributes, so that all attributesDouglas Gregor
we accept are not modeled somehow via Attr.td. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155998 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Introduce the notion of an attribute that has no direct representationDouglas Gregor
as an AST node, and fold a number of such attributes into Attr.td. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155995 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Revert my optimization to AttributeList::getKind() in r155987;Douglas Gregor
Benjamin has suggested a better approach. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155989 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Replace the StringSwitch in AttributeList::getKind(constDouglas Gregor
IdentifierInfo *) with a static StringMap, improving -fsyntax-only performance by 1% for the example in <rdar://problem/11004361>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155987 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-24Add a FIXME for uncomplete commentGabor Greif
fix a typo add punctuation git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155443 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-19Add SmallVectorImpl Visual Studio visualizer. Patch by Nikola Smiljanic.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155140 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-23Remove the vestiges of the C backend.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153308 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-10Adding namespace qualifiers to the visualizers and improving their behavior.Aaron Ballman
Patch thanks to Nikola Smiljanic git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152514 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-08[utils/FuzzTest] Add '--stop-on-fail' to stop the script on the first failureArgyrios Kyrtzidis
without reverting the changes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152333 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-08[utils/FuzzTest] The help message says that if you don't specify --max-testsArgyrios Kyrtzidis
"the script will run forever continually picking new tests to run", make it so. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152327 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-08[utils/FuzzTest] For --filelist the option type is string, not integer.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152324 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-08Spelling.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152281 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-07Refactor Clang sema attribute handling.Michael Han
This submission improves Clang sema handling by using Clang tablegen to generate common boilerplate code. As a start, it implements AttributeList enumerator generation and case statements for AttributeList::getKind. A new field "SemaHandler" is introduced in Attr.td and by default set to 1 as most of attributes in Attr.td have semantic checking in Sema. For a small number of attributes that don't appear in Sema, the value is set to 0. Also there are a small number of attributes that only appear in Sema but not in Attr.td. Currently these attributes are still hardcoded in Sema AttributeList. Reviewed by Delesley Hutchins. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152169 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-06[tablegen] Make sure that the code that is determining the order of warning ↵Argyrios Kyrtzidis
groups is shared to avoid any "misalignment" if indices. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152074 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20[analyzer] Testing: These checkers are not experimental anymore.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150989 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15Store the warning option corresponding to a diagnostics as an index into the ↵Benjamin Kramer
option table instead of storing the name. Another 8 bytes + relocation removed from every diagnostic on x86_64. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150615 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15[analyzer] Add the Malloc checker to the list of tested checkers.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150535 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13Add a script that produces a list of all diagnostics that are defined inDmitri Gribenko
Diagnostic*.td files but not used in sources. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150410 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13drop more llvm:: prefixes on SmallString<>Dylan Noblesmith
More cleanup after r149799. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150380 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-10Remove stray semi-colon.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150231 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-09Kill the brief and full explanation fields from StaticDiagInfoRec. They were ↵Benjamin Kramer
unused and wasted space for nothing. - per PR11952. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150199 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-06Added MSVC visualizers for PointerIntPair and PointerUnions.Aaron Ballman
Patch by Nikola Smiljanic git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149896 91177308-0d34-0410-b5e6-96231b3b80d8