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2011-11-07[arcmt] Map property decls to their GC attributes.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143978 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-07[arcmt] In GC, change '__weak' -> '__unsafe_unretained' when appliedArgyrios Kyrtzidis
to objects of classes that don't support ARC weak git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143976 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-06[arcmt] In GC, error for __strong/__weak on non-objc pointers.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143887 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-06[arcmt] In GC, clear redundant __strong's.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143886 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-06[arcmt] Make PropertiesRewriter::getPropertyType return the unqualified type.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143884 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-06[arcmt] Collect all the places where GC attributes __strong/__weak occur.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143883 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-06[arcmt] Refactor PropertiesRewriter to use MigrationContext.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143882 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-06Change the AST representation of operations on Objective-CJohn McCall
property references to use a new PseudoObjectExpr expression which pairs a syntactic form of the expression with a set of semantic expressions implementing it. This should significantly reduce the complexity required elsewhere in the compiler to deal with these kinds of expressions (e.g. IR generation's special l-value kind, the static analyzer's Message abstraction), at the lower cost of specifically dealing with the odd AST structure of these expressions. It should also greatly simplify efforts to implement similar language features in the future, most notably Managed C++'s properties and indexed properties. Most of the effort here is in dealing with the various clients of the AST. I've gone ahead and simplified the ObjC rewriter's use of properties; other clients, like IR-gen and the static analyzer, have all the old complexity *and* all the new complexity, at least temporarily. Many thanks to Ted for writing and advising on the necessary changes to the static analyzer. I've xfailed a small diagnostics regression in the static analyzer at Ted's request. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143867 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-05[arcmt] Fix an assertion hit in rdar://10336125; a bit too complicated to ↵Argyrios Kyrtzidis
reduce. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143754 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-04[arcmt] In GC, error out when there is a call that returns a pointer toArgyrios Kyrtzidis
GC managed non-objc object memory. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143747 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-04[arcmt] For GC, cleanup and turn -finalize to -dealloc.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143701 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-04[arcmt] In GC, error for use of CFMakeCollectable because it will leak theArgyrios Kyrtzidis
object that it receives in ARC. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143700 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-04In C++ keep unavailable function calls in the AST, like in C/ObjC.Argyrios Kyrtzidis
This allows the migrator to visit and fix them. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143699 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-04[arcmt] In GC, transform NSMakeCollectable to CFBridgingRelease.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143698 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-20Further refine the diagnostic categories for ARC diagnostics. Addresses ↵Ted Kremenek
<rdar://problem/10245086>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142571 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18[arcmt] Rewrite attributes in extensions as well. rdar://9992142Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142407 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18Revert r142311, -mios-simulator-version-min does not work correctly.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142322 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-17Remove the hack where we sniff the __IPHONE_OS_VERSION_MIN_REQUIRED define.Argyrios Kyrtzidis
We can use -mios-simulator-version-min now. rdar://10218700 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142311 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-17[arcmt] In ARC default for properties is 'strong' so just remove a 'retain' ↵Argyrios Kyrtzidis
if possible, instead of changing it to 'strong'. rdar://9984862. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142304 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-29Introduce a pure virtual clone() method to DiagnosticConsumer, so thatDouglas Gregor
we have the ability to create a new, distict diagnostic consumer when we go off and build a module. This avoids the currently horribleness where the same diagnostic consumer sees diagnostics for multiple translation units (and multiple SourceManagers!) causing all sorts of havok. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140743 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-27When 'bool' is not a built-in type but is defined as a macro, printDouglas Gregor
'bool' rather than '_Bool' within types, to make things a bit more readable. Fixes <rdar://problem/10063263>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140650 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-26Rename DiagnosticInfo to Diagnostic as per issue 5397David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140493 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-25Rename CaptureDiagnosticClient to CaptureDiagnosticConsumer as per issue 5397David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140482 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-25Rename DiagnosticClient to DiagnosticConsumer as per issue 5397David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140479 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-25Rename Diagnostic to DiagnosticsEngine as per issue 5397David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140478 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-19Rename SourceLocation::getFileLocWithOffset -> getLocWithOffset.Argyrios Kyrtzidis
It already works (and is useful with) macro locs as well. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140057 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-14[arcmt] Use __bridge_retained when passing an objc object to a CF parameterArgyrios Kyrtzidis
annotated with cf_consumed attribute. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139709 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-10Rename the ARC cast kinds to start with "ARC".John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139466 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-09Give conversions of block pointers to ObjC pointers a different cast kindJohn McCall
than conversions of C pointers to ObjC pointers. In order to ensure that we've caught every case, add asserts to CastExpr that strictly determine which cast kind is used for which kind of bit cast. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139352 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-01[arcmt] Fix test/ARCMT/remove-statements.m regression due toArgyrios Kyrtzidis
Objective-C method buffering(rdar://10056942) Turned out the same issue existed for C++ inline methods. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138960 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-27Twinify.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138689 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26Try to unbreak the build on systems where uint64_t isn't something that ↵Douglas Gregor
StringRef::getAsInteger can handle as its second argument git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138680 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26[arcmt] Add a test case for r138671 and improve the loop.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138674 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26[arcmt] Fix horrible bug where migrating files if there is a space in the pathsArgyrios Kyrtzidis
of the migrated files. rdar://10022801 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138671 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-18For the MacroExpands preprocessor callback, also pass the SourceRangeArgyrios Kyrtzidis
of expansion (for function macros it includes the right paren). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137909 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-14Fix "Uninitialized" warnings on g++-4.4.NAKAMURA Takumi
In fact, they are false warnings but it seems g++-4.4 might be unable to know they must be false. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137568 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10[arcmt] When checking whether properties needs to be strong or not, take ↵Argyrios Kyrtzidis
into account that assigning result of -retain means it should be strong. rdar://9931757. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137252 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02Make helper functions static.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136679 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27[arcmt] Revert r135382, there's a different approach in r135764. rdar://9821111.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136209 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27[arcmt] More automatic transformations and safety improvements; rdar://9615812 :Argyrios Kyrtzidis
- Replace calling -zone with 'nil'. -zone is obsolete in ARC. - Allow removing retain/release on a static global var. - Fix assertion hit when scanning for name references outside a NSAutoreleasePool scope. - Automatically add bridged casts for results of objc method calls and when calling CFRetain, for example: NSString *s; CFStringRef ref = [s string]; -> CFStringRef ref = (__bridge CFStringRef)([s string]); ref = s.string; -> ref = (__bridge CFStringRef)(s.string); ref = [NSString new]; -> ref = (__bridge_retained CFStringRef)([NSString new]); ref = [s newString]; -> ref = (__bridge_retained CFStringRef)([s newString]); ref = [[NSString alloc] init]; -> ref = (__bridge_retained CFStringRef)([[NSString alloc] init]); ref = [[s string] retain]; -> ref = (__bridge_retained CFStringRef)([s string]); ref = CFRetain(s); -> ref = (__bridge_retained CFTypeRef)(s); ref = [s retain]; -> ref = (__bridge_retained CFStringRef)(s); - Emit migrator error when trying to cast to CF type the result of autorelease/release: for CFStringRef f3() { return (CFStringRef)[[[NSString alloc] init] autorelease]; } emits: t.m:12:10: error: [rewriter] it is not safe to cast to 'CFStringRef' the result of 'autorelease' message; a __bridge cast may result in a pointer to a destroyed object and a __bridge_retained may leak the object return (CFStringRef)[[[NSString alloc] init] autorelease]; ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ t.m:12:3: note: [rewriter] remove the cast and change return type of function to 'NSString *' to have the object automatically autoreleased return (CFStringRef)[[[NSString alloc] init] autorelease]; ^ - Before changing attributes to weak/unsafe_unretained, check if the backing ivar is set to a +1 object, in which case use 'strong' instead. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136208 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25Rename getInstantiationLineNumber to getExpansionLineNumber in bothChandler Carruth
SourceManager and FullSourceLoc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135969 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25Rename getInstantiationColumnNumber to getExpansionColumnNumber in bothChandler Carruth
SourceManager and FullSourceLoc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135965 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25Rename SourceManager::getInstantiationRange to getExpansionRange.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135915 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25Mechanically rename SourceManager::getInstantiationLoc andChandler Carruth
FullSourceLoc::getInstantiationLoc to ...::getExpansionLoc. This is part of the API and documentation update from 'instantiation' as the term for macros to 'expansion'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135914 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23Move ArrayRef to LLVM.h and eliminate now-redundant qualifiers, patch by Jon ↵Chris Lattner
Mulder! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135855 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23remove unneeded llvm:: namespace qualifiers on some core types now that ↵Chris Lattner
LLVM.h imports them into the clang namespace. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135852 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-20now that we have a centralized place to do so, add some using declarations forChris Lattner
some common llvm types: stringref and smallvector. This cleans up the codebase quite a bit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135576 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-19Update CMake build.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135492 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-19[arcmt] Add some additional driver flags to optionally emit or save the ↵Argyrios Kyrtzidis
pre-migration ARC errors. -arcmt-migrate-emit-errors : Emits the pre-migration ARC errors but it doesn't affect anything else -arcmt-migrate-report-output : Writes out the pre-migration ARC errors to the provided plist file rdar://9791454 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135491 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-18[arcmt] When a NSData's 'bytes' family of methods are used on a local var,Argyrios Kyrtzidis
add __attribute__((objc_precise_lifetime)) to make sure that the object (and its data) will not get released before the var goes out-of-scope. rdar://9206226 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135382 91177308-0d34-0410-b5e6-96231b3b80d8
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