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2010-04-12fix rdar://7852959 - Use of super within a block is actually ok.Chris Lattner
(aka, Fariborz was right ;-) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101046 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12Fix a crash-on-invalid involving name lookup of tag names, where weDouglas Gregor
ended up finding a function template that we didn't expect. Recover more gracefully, and fix a similar issue for class templates. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101040 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12change Scope::WithinElse to be a normal scope flag, widen theChris Lattner
fields to two 16-bit values instead of using bitfields. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101020 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12Have the parser decide whether a message to super is a variable orChris Lattner
type, instead of having sema do it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101016 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12Have the CXXBaseOrMemberInitializer keep track of whether an initializer ↵Anders Carlsson
initializes a virtual base or not. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101004 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-11avoid double negativesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100976 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-11fix PR6811 by not parsing 'super' as a magic expression inChris Lattner
LookupInObjCMethod. Doing so allows all sorts of invalid code to slip through to codegen. This patch does not change the AST representation of super, though that would now be a natural thing to do since it can only be in the receiver position and in the base of a ObjCPropertyRefExpr. There are still several ugly areas handling super in the parser, but this is definitely a step in the right direction. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100959 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-10Rename -dump-record-layouts to -fdump-record-layouts now that the option ↵Anders Carlsson
behaves like aa flag. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100943 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-10Driver: Ignore -fobjc-gc and -fobjc-gc-only for platforms which don't ↵Daniel Dunbar
support them. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100930 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-10When a member pointer is dereferenced, the class it points into must be ↵Sebastian Redl
complete. Enforce this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100925 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-10Diagnose more cases of initializing distinct members of an anonymous unionJohn McCall
member. Use a better diagnostic for this case. Also fix a bug with nested anonymous structs/unions for -Wreorder; this last was PR6575. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100923 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-10Diagnose misordered initializers in constructor templates immediately instead ofJohn McCall
when they're instantiated. Merge the note into the -Wreorder warning; it doesn't really contribute much, and it was splitting a thought across diagnostics anyway. Don't crash in the parser when a constructor's initializers end in a comma and there's no body; the recovery here is still terrible, but anything's better than a crash. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100922 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09Remove copy of 'Optional' in Clang tree, and convert clients to use the one ↵Ted Kremenek
now in the LLVM tree. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100891 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09Remove fixit for string literal comparison. Telling the user to use ↵Ted Kremenek
'strcmp' is bad, and we don't have enough information to tell them how to use 'strncmp'. Instead, change the diagnostic to indicate they should use 'strncmp'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100890 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09Fix typo.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100887 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09Argh, I modified the .inc file locally, not the .td.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100881 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09Improve diagnostics like "initializing <type> from an expression ofDouglas Gregor
type..." with "initializing <type> with an expression of type...", which reads better. Thanks to John for the improved wording. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100873 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09Fixes a regression caused by implementing cstyle methods Fariborz Jahanian
for objc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100865 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09Improve diagnostics when we fail to convert from a source type to aDouglas Gregor
destination type for initialization, assignment, parameter-passing, etc. The main issue fixed here is that we used rather confusing wording for diagnostics such as t.c:2:9: warning: initializing 'char const [2]' discards qualifiers, expected 'char *' [-pedantic] char *name = __func__; ^ ~~~~~~~~ We're not initializing a 'char const [2]', we're initializing a 'char *' with an expression of type 'char const [2]'. Similar problems existed for other diagnostics in this area, so I've normalized them all with more precise descriptive text to say what we're initializing/converting/assigning/etc. from and to. The warning for the code above is now: t.c:2:9: warning: initializing 'char *' from an expression of type 'char const [2]' discards qualifiers [-pedantic] char *name = __func__; ^ ~~~~~~~~ Fixes <rdar://problem/7447179>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100832 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08For 'open' check in UnixAPIChecker, hard code value of 'O_CREAT' on Darwin.Ted Kremenek
This is still not an ideal solution, but should disable the check for other targets where the value of O_CREAT is different. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100818 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08Reorder diagnostics to separate the Sema::AssignmentAction diagnostics from ↵Douglas Gregor
other diagnostics git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100817 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08Downgrade the "declaration does not declare anything" error to aDouglas Gregor
warning. It's not harmful to have such pointless declarations, and GCC does not diagnose this issue consistently. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100814 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08Implement method type encoding in the presenseFariborz Jahanian
of c-style arguments. Completes radar 7445205. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100813 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08Match GCC's behavior and do not include '-Wunused-parameter' in '-Wunused'.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100810 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08Include all warnings under '-Wunused' in '-Wmost' and '-Wall'.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100786 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08Sort entries in diagnostic group "Most".Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100785 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08Maybe we should store template arguments in the position we allocated for themJohn McCall
instead of scribbling over random memory. Maybe. Hopefully this fixes the -vg buildbot. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100784 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08Make CXXScopeSpec invalid when incomplete, and propagate that into anyJeffrey Yasskin
Declarator that depends on it. This fixes several redundant errors and bad recoveries. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100779 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08Implement dependent friend function template specializations.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100753 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08Fronted: Kill overly specialized RecordLayoutDumper, just make ↵Daniel Dunbar
-dump-record-layouts a bit that Sema honors. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100747 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08AST: Move C++ record layout dumping to ASTContext::DumpRecordLayout.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100746 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08Patch to implement gcc's cstyle arguments in objcFariborz Jahanian
methods. wip. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100734 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08When a template (without arguments) is passed as a template typeJeffrey Yasskin
parameter, explicitly ask the user to give it arguments. We used to complain that it wasn't a type and expect the user to figure it out. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100729 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07Add support for stpncpy_chk.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100711 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07add a new driver-level -ferror-limit=412 option, which causes clang to stopChris Lattner
emitting diagnostics after it has produced that many errors. Give this a default value of 20 which produces plenty of errors for people to fix before recompiling but not so many that their entire console scrolls away when the compiler gets confused. The experience looks like this: $ clang foo.c <tons of crap> foo.c:102:3: error: unknown type name 'somethingbad' somethingbad x; ^ fatal error: too many errors emitted, stopping now 36 warnings and 20 errors generated. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100689 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07add clang -cc1 level support for "-ferror-limit 42"Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100687 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07add capabilities to stop emitting errors after some limit.Chris Lattner
Right now the limit is 0 (aka disabled) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100684 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07Instead of counting totally diagnostics, split the count into a countChris Lattner
of errors and warnings. This allows us to emit something like this: 2 warnings and 1 error generated. instead of: 3 diagnostics generated. This also stops counting 'notes' because they are just follow-on information about the previous diag, not a diagnostic in themselves. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100675 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07Improve handling of friend types in several ways:Douglas Gregor
- When instantiating a friend type template, perform semantic analysis on the resulting type. - Downgrade the errors concerning friend type declarations that do not refer to classes to ExtWarns in C++98/03. C++0x allows practically any type to be befriended, and ignores the friend declaration if the type is not a class. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100635 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07Fix comment.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100604 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07Deprecate CXXScopeSpec::isSet() in favor of isNotEmpty() or isValid().Jeffrey Yasskin
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100600 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07Check access for the implicit calls to destructors that occur when weJohn McCall
have a temporary object in C++. Also fix a tag mismatch that Doug noticed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100593 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07Improve on diagnostics when an objc class is used asFariborz Jahanian
a stand-alone type declaration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100588 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07Implement code completion for Objective-C method declarations andDouglas Gregor
definitions, e.g., after - or - (id) we'll find all of the "likely" instance methods that one would want to declare or define at this point. In the latter case, we only produce results whose return types match "id". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100587 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-06Devote a special diagnostic to the typoJohn McCall
(void*) someFunction(5, 10, 15, 20); where the cast is presumably meant to be to 'void'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100574 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-06Implement the protected access restriction ([class.protected]), which requiresJohn McCall
that protected members be used on objects of types which derive from the naming class of the lookup. My first N attempts at this were poorly-founded, largely because the standard is very badly worded here. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100562 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-06teach clang to install the inline asm diagnostic handler,Chris Lattner
allowing backend errors to be mapped through clang's diagnostics subsystem, including the backend location info. We now get: $ clang asm.c -c -o t.o -integrated-as <inline asm>:1:2: error: unrecognized instruction abc incl %eax ^ 1 diagnostic generated. With colors, and correct "# diagnostics generated". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100543 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-06Make code-completion for Objective-C message sends to "id" work in theDouglas Gregor
presence of precompiled headers by forcibly loading all of the methods we know about from the PCH file before constructing our code-completion list. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100535 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-06Driver: Add a Tool::hasGoodDiagnostics hook, and use it to simplify logic forDaniel Dunbar
deciding when we need to emit an extra "command failed" diagnostic. - This also fixes the case where we were emitting that extra diagnostics, even when using clang w/ the integrated assembler, which has good diagnostics. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100529 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-05Make Diagnostic reference-counted, which is simpler than jugglingDouglas Gregor
maybe-ownership vs. ownership. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100498 91177308-0d34-0410-b5e6-96231b3b80d8
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