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path: root/lib/Sema/SemaExprObjC.cpp
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2013-04-04Objective-C: Issue deprecated warning when using a Fariborz Jahanian
deprecated typedef to subclass or invoke a class method. // rdar://13569424 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178775 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-03Add 178663 back.Rafael Espindola
http://lab.llvm.org:8011/builders/clang-x86_64-darwin10-gdb went back green before it processed the reverted 178663, so it could not have been the culprit. Revert "Revert 178663." This reverts commit 4f8a3eb2ce5d4ba422483439e20c8cbb4d953a41. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178682 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-03Revert 178663.Rafael Espindola
Looks like it broke http://lab.llvm.org:8011/builders/clang-x86_64-darwin10-gdb Revert "Don't compute a patched/semantic storage class." This reverts commit 8f187f62cb0487d31bc4afdfcd47e11fe9a51d05. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178681 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-03Don't compute a patched/semantic storage class.Rafael Espindola
For variables and functions clang used to store two storage classes. The one "as written" in the code and a patched one, which, for example, propagates static to the following decls. This apparently is from the days clang lacked linkage computation. It is now redundant and this patch removes it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178663 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-19Add a clarifying note when a return statement is rejected becauseJohn McCall
we expect a related result type. rdar://12493140 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177378 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-11Objective-C: When using super.prop, property should beFariborz Jahanian
looked up the current class's super class. // rdar://13349296 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176832 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-04Centralize and refine the __unknown_anytype argument rulesJohn McCall
and be sure to apply them whether or not the debugger gave us a method declaration. rdar://12565338 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176432 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Perform the receiver-expression transformations regardless ofJohn McCall
whether we already have a method. Fixes a bug where we were failing to properly contextually convert a message receiver during template instantiation. As a side-effect, we now actually perform correct method lookup after adjusting a message-send to integral or non-ObjC pointer types (legal outside of ARC). rdar://13305374 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176339 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22objective-C arg: provide fixit support whenFariborz Jahanian
c++'s named cast need be replaced for bridge casting. // rdar://12788838 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175923 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22objective-C arc: Diagnostic can not say to use bridgeFariborz Jahanian
casts with c++ named casts. Change notes to say use bridge with c-style cast instead. // rdar://12788838 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175850 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-20Include llvm::Optional in clang/Basic/LLVM.hDavid Blaikie
Post-commit CR feedback from Jordan Rose regarding r175594. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175679 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-15Fix crash-on-invalid where a ParenListExpr shows up as a message receiverArgyrios Kyrtzidis
while trying to do error recovery. rdar://13207886 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175282 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-22Small code change to improve performanceFariborz Jahanian
in my last patch, suggested by Argyrios. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173182 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-22objectiveC (take two): don't warn when in -Wselector mode andFariborz Jahanian
an unimplemented selector is consumed by "respondsToSelector:". // rdar://12938616 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173179 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-21objectiveC: don't warn when in -Wselector mode andFariborz Jahanian
an unimplemented selector is consumed by "respondsToSelector:". // rdar://12938616 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173097 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Sort all of Clang's files under 'lib', and fix up the broken headersChandler Carruth
uncovered. This required manually correcting all of the incorrect main-module headers I could find, and running the new llvm/utils/sort_includes.py script over the files. I also manually added quite a few missing headers that were uncovered by shuffling the order or moving headers up to be main-module-headers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169237 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-28objective-C arc: Underline the selector when issuingFariborz Jahanian
arc specific diagnostic on the selector. This is objc-arc part of // rdar://11303469 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168756 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Accept and pass arguments to __unknown_anytype in argumentJohn McCall
positions of Objective-C methods. It is possible to recover a lot of type information about Objective-C methods from the reflective metadata for their implementations. This information is not rich when it comes to struct types, however, and it is not possible to produce a type in the debugger's round-tripped AST which will really do anything useful during type-checking. Therefore we allow __unknown_anytype in these positions, which essentially disables type-checking for that argument. We infer the parameter type to be the unqualified type of the argument expression unless that expression is an explicit cast, in which case it becomes the type-as-written of that cast. rdar://problem/12565338 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167896 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19Allow objc_requires_super to be used to check class methods as well.Jordan Rose
Also, unify ObjCShouldCallSuperDealloc and ObjCShouldCallSuperFinalize. The two have identical behavior and will never be active at the same time. There's one last simplification now, which is that if we see a call to [super foo] and we are currently in a method named 'foo', we will /unconditionally/ clear the ObjCShouldCallSuper flag, rather than check first to see if we're in a method where calling super is required. There's no reason to pay the extra lookup price here. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166285 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-11-Warc-repeated-use-of-weak: Check messages to property accessors as well.Jordan Rose
Previously, [foo weakProp] was not being treated the same as foo.weakProp. Now, for every explicit message send, we check if it's a property access, and if so, if the property is weak. Then for every assignment of a message, we have to do the same thing again. This is a potentially expensive increase because determining whether a method is a property accessor requires searching through the methods it overrides. However, without it -Warc-repeated-use-of-weak will miss cases from people who prefer not to use dot syntax. If this turns out to be too expensive, we can try caching the result somewhere, or even lose precision by not checking superclass methods. The warning is off-by-default, though. <rdar://problem/12407765> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165718 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-10Move Sema::PropertyIfSetterOrGetter to ObjCMethodDecl::findPropertyDecl.Jordan Rose
Then, switch users of PropertyIfSetterOrGetter and LookupPropertyDecl (the latter by name) over to findPropertyDecl. This actually makes -Wreceiver-is-weak a bit stronger than it was before. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165628 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-10Rename ObjCMethodDecl::isSynthesized to isPropertyAccessor.Jordan Rose
This more accurately reflects its use: this flag is set when a method matches the getter or setter name for a property in the same class, and does not actually specify whether or not the definition of the method will be synthesized (either implicitly or explicitly with @synthesize). This renames the setter and backing field as well, and changes the (soon-to-be-obsolete?) XML dump format to use 'property_accessor' instead of 'synthesized'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165626 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28-Wreceiver-is-weak: rephrase warning text and add a suggestion Note.Jordan Rose
New output: warning: weak property may be unpredictably set to nil note: property declared here note: assign the value to a strong variable to keep the object alive during use <rdar://problem/12277204> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164857 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-07objective-C: introduce __attribute((objc_requires_super)) on methodFariborz Jahanian
in classes. Use it to flag those method implementations which don't contain call to 'super' if they have 'super' class and it has the method with this attribute set. This is wip. // rdar://6386358 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163434 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-31objective-C: underline name of the missing methodFariborz Jahanian
in the diagnbostic. // rdar://11303469 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163003 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24Push ArrayRef through the Expr hierarchy.Benjamin Kramer
No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162552 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-23Now that ASTMultiPtr is nothing more than a array reference, make it a ↵Benjamin Kramer
MutableArrayRef. This required changing all get() calls to data() and using the simpler constructors. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162501 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-23Rip out remnants of move semantic emulation and smart pointers in Sema.Benjamin Kramer
These were nops for quite a while and only lead to confusion. ASTMultiPtr now behaves like a proper dumb array reference. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162475 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-23Fix undefined behavior: member function calls where 'this' is a null pointer.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162430 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-01Fix an assertion failure instantiating a constexpr function from within a ↵Eli Friedman
-dealloc method. PR13401. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161135 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31Introduce new queries on ObjCRuntime for how to interpret subscriptsJohn McCall
on object pointers and whether pointer arithmetic on object pointers is supported. Make ObjFW interpret subscripts as pseudo-objects. Based on a patch by Jonathan Schleifer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161028 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31Explain why ACC_bottom should never occur in diagnosing ARC casts.Jordan Rose
This is just a clarification on Fariborz's original patch, per e-mail discussion. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161016 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-28assert on ACC_bottom when checking for invalidFariborz Jahanian
CF to ARC conversions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160923 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-28more objc-arc: With ACC_bottom, we just provideFariborz Jahanian
__bride fixit, as it doesn't matter which cast to use. // rdar://11923822 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160906 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-27objc-arc: change per Jordy's comments.Fariborz Jahanian
// rdar://11923822 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160902 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-27objective-c arc: When function calls with known CFCreate naming conventionFariborz Jahanian
are cast to retainable types, only suggest CFBridgingRelease/ CFBridgingRetain and not the __bridge casts. // rdar://11923822 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160900 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-27revert r160839 for now.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160895 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-27Consolidate ObjC lookupPrivateMethod methods from Sema and DeclObjC.Anna Zaks
Also, fix a subtle bug, which occurred due to lookupPrivateMethod defined in DeclObjC.h not looking up the method inside parent's categories. Note, the code assumes that Class's parent object has the same methods as what's in the Root class of a the hierarchy, which is a heuristic that might not hold for hierarchies which do not descend from NSObject. Would be great to fix this in the future. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160885 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-26objc-arc: When objects with known CF semantics are assigned toFariborz Jahanian
retainable types in arc, only suggest CFBridgingRelease/ CFBridgingRetain and not the confusing __bridge casts. // rdar://11923822 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160839 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-28Warn on weak properties declared in protocols as well.Jordan Rose
Previously this caused a crash, since protocols are not interfaces. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159357 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-23objective-c: issue deprecation/unavailability warnings for methods called on Fariborz Jahanian
id <Protocol>. // rdar://11618852 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159084 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-22Documentation cleanup:James Dennett
* Primarily fixed \param commands with names not matching any actual parameters of the documented functions. In many cases this consists just of fixing up the parameter name in the \param to match the code, in some it means deleting obsolete documentation and occasionally it means documenting the parameter that has replaced the older one that was documented, which sometimes means some simple reverse-engineering of the docs from the implementation; * Fixed \param ParamName [out] to the correct format with [out] before the parameter name; * Fixed some \brief summaries. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158980 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20Restructure how the driver communicates information about theJohn McCall
target Objective-C runtime down to the frontend: break this down into a single target runtime kind and version, and compute all the relevant information from that. This makes it relatively painless to add support for new runtimes to the compiler. Make the new -cc1 flag, -fobjc-runtime=blah-x.y.z, available at the driver level as a better and more general alternative to -fgnu-runtime and -fnext-runtime. This new concept of an Objective-C runtime also encompasses what we were previously separating out as the "Objective-C ABI", so fragile vs. non-fragile runtimes are now really modelled as different kinds of runtime, paving the way for better overall differentiation. As a sort of special case, continue to accept the -cc1 flag -fobjc-runtime-has-weak, as a sop to PLCompatibilityWeak. I won't go so far as to say "no functionality change", even ignoring the new driver flag, but subtle changes in driver semantics are almost certainly not intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158793 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-07Attach fixits for CFBridgingRetain/Release outside any casts.Jordan Rose
Before, the note showed the location where you could insert __bridge variants, but the actual fixit edit came after the cast. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158131 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-07Insert a space if necessary when suggesting CFBridgingRetain/Release.Jordan Rose
This was a problem for people who write 'return(result);' Also fix ARCMT's corresponding code, though there's no test case for this because implicit casts like this are rejected by the migrator for being ambiguous, and explicit casts have no problem. <rdar://problem/11577346> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158130 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-04objective-c: Handle more warning cases for whenFariborz Jahanian
message receiver is 'weak' property. // rdar://10225276 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157946 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-01[arcmt] Use CFBridgingRetain/CFBridgingRelease instead of ↵Argyrios Kyrtzidis
__bridge_retained/__bridge_transfer when migrating. rdar://11569198 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157785 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-30objective-c: revert r157407. It broke a projectFariborz Jahanian
and reported as PR12959. // rdar://11499742 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157697 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-24objective-c: warn on use of property settersFariborz Jahanian
backing two propeties because proprty names match except for first letter being of different case. // rdar://11528439, [PR12936]. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157435 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-24objective-c: Fixes a corner case and interesting bug.Fariborz Jahanian
Where diagnostic about unfound property is not issued in the context where a setter is looked up in situation in which name and property name differ in their first letter case. // rdar://11363363 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157407 91177308-0d34-0410-b5e6-96231b3b80d8
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