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path: root/lib/Sema/SemaDeclAttr.cpp
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2009-08-14Improve Sema's handling of attribute 'malloc' to reject the attribute whenTed Kremenek
attaching to Objective-C methods (which mirrors GCC's behavior) and to allow the return type of the function to be an Objective-C pointer or Block pointer (which GCC also accepts). Along the way, add 'const' to some of the pointer arguments of various utility functions... git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79040 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13change cast to dyn_cast because d may not be a FunctionDeclRyan Flynn
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78876 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12change a dyn_cast to castRyan Flynn
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78862 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10fix a couple of problems with section attributes:Chris Lattner
1. Passing something that isn't a string used to cause: "argument to annotate attribute was not a string literal" make it say "section attribute" instead. 2. Fix the location of the above message to point to the bad argument instead of the section token. 3. Implement rdar://4341926, by diagnosing invalid section specifiers in the frontend rather than letting them slip all the way to the assembler (a QoI win). An example of #3 is that we used to produce something like this: /var/folders/n7/n7Yno9ihEm894640nJdSQU+++TI/-Tmp-//ccFPFGtT.s:2:Expected comma after segment-name /var/folders/n7/n7Yno9ihEm894640nJdSQU+++TI/-Tmp-//ccFPFGtT.s:2:Rest of line ignored. 1st junk character valued 46 (.). Daniel improved clang to use llvm_report_error, so now we got: $ clang t.c -c fatal error: error in backend: Global variable 'x' has an invalid section specifier 'sadf': mach-o section specifier requires a segment and section separated by a comma. with no loc info. Now we get: $ clang t.c -fsyntax-only t.c:4:30: error: argument to 'section' attribute is not valid for this target: mach-o section specifier requires a segment and section separated by a comma int x __attribute__((section("sadf"))); ^ which is nice :) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78586 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-09warn, as gcc does, if __attribute__((malloc)) applied to function returning ↵Ryan Flynn
non-pointer type git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78542 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-09map previously ignored __attribute((malloc)) to noalias attribute of llvm ↵Ryan Flynn
function's return git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78541 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-08Introduce a new PragmaPack attribute, and use it for #pragma pack. The ↵Anders Carlsson
PackedAttr now only represents __attribute__((packed)). This is necessary because #pragma pack and __attribute__((packed)) have different semantics. No functionality change yet, but this lays the groundwork for fixing a record layout bug. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78483 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06add support for FreeBSD's format(printf0,x,y) attribute; allows null format ↵Ryan Flynn
string. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78276 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-04Canonicalize else.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78102 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-31PR3679 - enable #pragma weak aliasing.Ryan Flynn
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77660 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-30PR3679 - handle #pragma weakRyan Flynn
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77573 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-29Change uses of:Ted Kremenek
Type::getAsReferenceType() -> Type::getAs<ReferenceType>() Type::getAsRecordType() -> Type::getAs<RecordType>() Type::getAsPointerType() -> Type::getAs<PointerType>() Type::getAsBlockPointerType() -> Type::getAs<BlockPointerType>() Type::getAsLValueReferenceType() -> Type::getAs<LValueReferenceType>() Type::getAsRValueReferenceType() -> Type::getAs<RValueReferenceType>() Type::getAsMemberPointerType() -> Type::getAs<MemberPointerType>() Type::getAsReferenceType() -> Type::getAs<ReferenceType>() Type::getAsTagType() -> Type::getAs<TagType>() And remove Type::getAsReferenceType(), etc. This change is similar to one I made a couple weeks ago, but that was partly reverted pending some additional design discussion. With Doug's pending smart pointer changes for Types, it seemed natural to take this approach. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77510 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24Fix 80-col violations, reflow a few comments and zap some extraMike Stump
whitespace at ends of lines. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76992 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-17Per offline discussion with Steve Naroff, add back Type::getAsXXXType() methodsTed Kremenek
until Doug Gregor's Type smart pointer code lands (or more discussion occurs). These methods just call the new Type::getAs<XXX> methods, so we still have reduced implementation redundancy. Having explicit getAsXXXType() methods makes it easier to set breakpoints in the debugger. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76193 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-17Replaced Type::getAsLValueReferenceType(), Type::getAsRValueReferenceType(), ↵Ted Kremenek
Type::getAsMemberPointerType(), Type::getAsTagType(), and Type::getAsRecordType() with their Type::getAs<XXX> equivalents. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76139 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16Add member template 'Type::getAs<T>', which converts a Type* to a respective T*.Ted Kremenek
This method is intended to eventually replace the individual Type::getAsXXXType<> methods. The motivation behind this change is twofold: 1) Reduce redundant implementations of Type::getAsXXXType() methods. Most of them are basically copy-and-paste. 2) By centralizing the implementation of the getAs<Type> logic we can more smoothly move over to Doug Gregor's proposed canonical type smart pointer scheme. Along with this patch: a) Removed 'Type::getAsPointerType()'; now clients use getAs<PointerType>. b) Removed 'Type::getAsBlockPointerTypE()'; now clients use getAs<BlockPointerType>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76098 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16Generate error on declaration containing 'static' and '__attribute__((weak))'Fariborz Jahanian
Patch by Ryan Flynn git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@75879 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15Handle some more fallout with the conversion of using PointerType forTed Kremenek
Objective-C pointers to using ObjCObjectPointerType. Now the checking for 'attribute ((nonnull))' in Sema doesn't emit an error when trying to apply that attribute to a parameter that is an Objective-C pointer (this is a regression). To prevent this regression from occuring in the future, the 'nonnull.c' test was moved to test/SemaObjC and renamed 'nonnull.m'. I also enhanced the tests to show that function calls involved a NULL Objective-C pointer constant does not trigger a warning. This is consistent with GCC, but should likely be fixed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@75856 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-10This patch includes a conceptually simple, but very intrusive/pervasive change. Steve Naroff
The idea is to segregate Objective-C "object" pointers from general C pointers (utilizing the recently added ObjCObjectPointerType). The fun starts in Sema::GetTypeForDeclarator(), where "SomeInterface *" is now represented by a single AST node (rather than a PointerType whose Pointee is an ObjCInterfaceType). Since a significant amount of code assumed ObjC object pointers where based on C pointers/structs, this patch is very tedious. It should also explain why it is hard to accomplish this in smaller, self-contained patches. This patch does most of the "heavy lifting" related to moving from PointerType->ObjCObjectPointerType. It doesn't include all potential "cleanups". The good news is additional cleanups can be done later (some are noted in the code). This patch is so large that I didn't want to include any changes that are purely aesthetic. By making the ObjC types truly built-in, they are much easier to work with (and require fewer "hacks"). For example, there is no need for ASTContext::isObjCIdStructType() or ASTContext::isObjCClassStructType()! We believe this change (and the follow-up cleanups) will pay dividends over time. Given the amount of code change, I do expect some fallout from this change (though it does pass all of the clang tests). If you notice any problems, please let us know asap! Thanks. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@75314 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-30De-ASTContext-ify DeclContext.Argyrios Kyrtzidis
Remove ASTContext parameter from DeclContext's methods. This change cascaded down to other Decl's methods and changes to call sites started "escalating". Timings using pre-tokenized "cocoa.h" showed only a ~1% increase in time run between and after this commit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74506 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-30Remove the ASTContext parameter from the getBody() methods of Decl and ↵Argyrios Kyrtzidis
subclasses. Timings showed no significant difference before and after the commit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74504 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-30Remove the ASTContext parameter from the attribute-related methods of Decl.Argyrios Kyrtzidis
The implementations of these methods can Use Decl::getASTContext() to get the ASTContext. This commit touches a lot of files since call sites for these methods are everywhere. I used pre-tokenized "carbon.h" and "cocoa.h" headers to do some timings, and there was no real time difference between before the commit and after it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74501 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-26OpenCL 1.0 support: attributesNate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74280 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-18Move the static DeclAttrs map into ASTContext. Fixes <rdar://problem/6983177>.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73702 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-17Support dependent extended vector types and template instantiationDouglas Gregor
thereof. Patch by Anders Johnsen! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73641 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-08Add more parser support for Microsoft extensions.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73101 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-20implementation of format_arg for ObjC methods/functions.Fariborz Jahanian
Still more to do. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72173 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-19Patch finishes off application of printf attribute on blocks.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72111 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-18Minor tweak to support format attribute on blocks. No change in functionality.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72020 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-16Reflow some comments.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71936 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-15Removed superfluous code.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71909 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-15Early support for __format__attribute on blocks.Fariborz Jahanian
Work in progress... git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71908 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-15improved on diagnosing misplacement of sentinel attributes.Fariborz Jahanian
No change in functionality. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71894 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-15This patch finishes off the sentinel attribute handling forFariborz Jahanian
blocks and function pointers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71888 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-14updated comments.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71790 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-14Adds recognition of sentinel attribute on block declarations.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71788 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-13Look for and diagnose missing sentinel argument on messageFariborz Jahanian
dispatch arguments which have sentinel attribute. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71737 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-13Add some basic type checking for attributes ns_returns_retained andTed Kremenek
cf_returns_retained. Currently this attribute can now be applied to any Objective-C method or C function that returns a pointer or Objective-C object type. Modify the tablegen definition of diagnostic 'warn_attribute_wrong_decl_type' to expect that the diagnostics infrastructure will add quotes around the attribute name when appropriate. Alonq with this change, I modified the places where this warning is issued to passed the attribute's IdentifierInfo* instead of having a hard-coded C constant string. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71718 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-13Fix rdar://6880951 by rejecting vectors of vectors.Chris Lattner
It seems dubious to me that isIntegerType() returns true for vectors of integers, but not complex integers. This should probably be rethought, I'll file a bugzilla. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71640 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-13Fix rdar://6881069, a crash on a form of vector_size that weChris Lattner
don't support. While it would be nice to support this eventually, this form is not common at all (just seen in gcc testsuite) and it might be better to model vector_size as a type attribute anyway. For now just emit a nice error on it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71633 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-09Add back Parse/Sema support for attributes cf_returns_retained andTed Kremenek
ns_returns_retained, but do not include the other ownership attributes we previously had. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71308 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-08Remove experimental ownership attributes from Clang.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71216 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-07More attribute renaming:Ted Kremenek
- Rename 'ns_returns_owned' -> 'ns_returns_retained'. - Rename 'cf_returns_owned' -> 'cf_returns_retained'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71182 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Implement attribute 'ns_autorelease'.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70990 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Implement attribute 'cf_returns_owned' (mirrors 'ns_returns_owned').Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70952 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Rename ownership attributes:Ted Kremenek
ns_ownership_returns -> ns_returns_owned ns_ownership_retain -> ns_retains ns_ownership_release -> ns_releases cf_ownership_retain -> cf_retains cf_ownership_release -> cf_releases git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70949 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04Rename attribute 'ns_ownership_returns' to 'ns_returns_ownership'.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70941 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04Remove experimental attribute 'ns_ownership_make_collectable.'Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70940 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04ignore weak_import attribute on objc method decls.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70901 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04Rename attributes 'objc_ownership...' to 'ns_ownership...'.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70897 91177308-0d34-0410-b5e6-96231b3b80d8
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