Commit Graph

227 Commits

Author SHA1 Message Date
Ted Kremenek 51b7ed4de5 Revert r177948. We decided that we do not want ObjC property redeclarations to inherit "deprecated".
llvm-svn: 178743
2013-04-04 05:29:15 +00:00
John McCall e48f389ce6 Be sure to check ARC conventions on the implicit method declarations
of a property just in case the property's getter happens to be +1.
We won't synthesize a getter for such a property, but we will allow
the user to define a +1 method for it.
rdar://13115896

llvm-svn: 178731
2013-04-04 01:38:37 +00:00
Rafael Espindola 6ae7e50be4 Add 178663 back.
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.

llvm-svn: 178682
2013-04-03 19:27:57 +00:00
Rafael Espindola 985a3abee4 Revert 178663.
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.

llvm-svn: 178681
2013-04-03 19:22:20 +00:00
Rafael Espindola adea16bd9e Don't compute a patched/semantic storage class.
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.

llvm-svn: 178663
2013-04-03 15:50:00 +00:00
Fariborz Jahanian f12ff4df48 Objective-C: Provide fixit hints when warning
about 'isa' ivar being explicitely accessed
when base is a user class object reference.
// rdar://13503456

llvm-svn: 178562
2013-04-02 18:57:54 +00:00
Fariborz Jahanian 36b1e5ce82 Objective-C: Property declaration overiding one in
its super class or protocols inherit their 
availability/deprecated attribute. // rdar://13467644

llvm-svn: 177948
2013-03-25 23:59:42 +00:00
Fariborz Jahanian 1446b34629 Objective-C: Tighten the rules when warning
is issused for on overriding 'readwrite'
property which is not auto-synthesized.
Buttom line is that if hueristics determine
that there will be a user implemented setter,
no warning will be issued. // rdar://13388503

llvm-svn: 177662
2013-03-21 20:50:53 +00:00
Fariborz Jahanian b0df66b1ba Objective-C: In my last path, also check
for existence of user setter before 
issuing the warning about non-synthesizable
property. // rdar://13388503

llvm-svn: 176906
2013-03-12 22:22:38 +00:00
Fariborz Jahanian 9d25a48b41 Objective-C: Issue warning in couple of obscure cases
when property autosynthesis does not synthesize a property.
When property is declared 'readonly' in a super class and
is redeclared 'readwrite' in a subclass. When a property
autosynthesis causes it to share 'ivar' with another property.
// rdar://13388503

llvm-svn: 176889
2013-03-12 19:46:17 +00:00
Fariborz Jahanian aedaaa4f35 objective-C: synthesize properties in order of their
declarations to synthesize their ivars in similar
determinstic order so they are laid out in
a determinstic order. // rdar://13192366

llvm-svn: 175214
2013-02-14 22:33:34 +00:00
Fariborz Jahanian a934a022af objective-C: When implementing custom accessor method for
a property, the -Wdirect-ivar-access should not warn when 
accessing the property's synthesized instance variable.
// rdar://13142820

llvm-svn: 175195
2013-02-14 19:07:19 +00:00
Fariborz Jahanian 234c00d6d0 objective-C: Fixes a bogus warning due to not setting
the "nonatomic" attribute in property redeclaration
in class extension. Also, improved on diagnostics in
this area while at it. // rdar://13156292

llvm-svn: 174821
2013-02-10 00:16:04 +00:00
Ted Kremenek 7ee25676a5 QoI: -Wreadonly-iboutlet-property should have the warning's location on the property.
There's no need to refer to the @implementation at all.

Fixes <rdar://problem/13186515>

llvm-svn: 174802
2013-02-09 07:13:16 +00:00
Fariborz Jahanian f3c171ebec objective-C: don't issue bogus warning about
"auto-synthesized may not work correctly with 'nib' loader"
when 'readonly' property is redeclared 'readwrite' in class
extension. // rdar://13123861

llvm-svn: 174775
2013-02-08 23:32:30 +00:00
Douglas Gregor b898209086 Eliminate Sema::CompareProperties(), which was walking over a pile of
lexical declarations looking for properties when we could more
efficiently check for property mismatches at property declaration
time. Good for ~1% of -fsyntax-only time when most of the properties
we're checking against come from an AST file.

llvm-svn: 173079
2013-01-21 19:42:21 +00:00
Douglas Gregor 90d3442784 Eliminate the oddly-named Sema::ComparePropertiesInBaseAndSuper, which
did a redundant traversal of the lexical declarations in the
superclass. Instead, when we declare a new property, look into the
superclass to see whether we're redeclaring the property. Goot for 1%
of -fsyntax-only time on Cocoa.h and a little less than 3% on my
modules test case.

llvm-svn: 173073
2013-01-21 19:05:22 +00:00
Douglas Gregor a669ab9856 Replace some unnecessary O(N^2) lookups for properties with
DeclContext lookups. The performance win is negligible in my tests,
but it's the Right Thing To Do (TM).

llvm-svn: 173068
2013-01-21 18:35:55 +00:00
Douglas Gregor 048fbfa302 Rework the traversal of Objective-C categories and extensions to
consider (sub)module visibility.

The bulk of this change replaces myriad hand-rolled loops over the
linked list of Objective-C categories/extensions attached to an
interface declaration with loops using one of the four new category
iterator kinds:

  visible_categories_iterator: Iterates over all visible categories
  and extensions, hiding any that have their "hidden" bit set. This is
  by far the most commonly used iterator.

  known_categories_iterator: Iterates over all categories and
  extensions, ignoring the "hidden" bit. This tends to be used for
  redeclaration-like traversals.

  visible_extensions_iterator: Iterates over all visible extensions,
  hiding any that have their "hidden" bit set.

  known_extensions_iterator: Iterates over all extensions, whether
  they are visible to normal name lookup or not.

The effect of this change is that any uses of the visible_ iterators
will respect module-import visibility. See the new tests for examples.

Note that the old accessors for categories and extensions are gone;
there are *Raw() forms for some of them, for those (few) areas of the
compiler that have to manipulate the linked list of categories
directly. This is generally discouraged.

Part two of <rdar://problem/10634711>.
 

llvm-svn: 172665
2013-01-16 23:00:23 +00:00
Douglas Gregor c4c1fb39d8 Use Decl::getAvailability() rather than checking for the "unavailable"
attribute when determining whether we need to see an implementation of
a property. Fixes <rdar://problem/12958191>.

llvm-svn: 171877
2013-01-08 18:16:18 +00:00
Bill Wendling 4442605f18 Revert r170500. It over-zealously converted *ALL* things named Attributes, which is wrong here.
llvm-svn: 170721
2012-12-20 19:22:21 +00:00
Fariborz Jahanian a1f8571e84 objective-C: Don't warn of unimplemented property of protocols in
category, when those properties will be implemented in category's 
primary class or one of its super classes. // rdar://12568064

llvm-svn: 170573
2012-12-19 18:58:55 +00:00
Bill Wendling 7967fc14b9 Rename the 'Attributes' class to 'Attribute'. It's going to represent a single attribute in the future.
llvm-svn: 170500
2012-12-19 07:18:12 +00:00
Argyrios Kyrtzidis f5b993f7b1 [objc] For the ARC error that is emitted when a synthesized property implementation
has inconsistent ownership with the backing ivar, point the error location to the
ivar.

Pointing to the ivar (instead of the @synthesize) is better since this is where a fix is needed.
Also provide the location of @synthesize via a note.

This also fixes the problem where an auto-synthesized property would emit an error without
any location.

llvm-svn: 170039
2012-12-12 22:48:25 +00:00
Chandler Carruth 3a02247dc9 Sort all of Clang's files under 'lib', and fix up the broken headers
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.

llvm-svn: 169237
2012-12-04 09:13:33 +00:00
Anna Zaks 408f7d0144 Address Jordan's review: comments, spaces.
llvm-svn: 167091
2012-10-31 01:18:22 +00:00
Eli Friedman eaf3414979 Fix Objective-C implicit property synthesis for C++ classes so we use valid
source locations in places where it is necessary for diagnostics.  By itself,
this causes assertions, so while I'm here, also fix property synthesis
for properties of C++ class type so we use so we properly set up a scope
and mark variable declarations.

<rdar://problem/12514189>.

llvm-svn: 166219
2012-10-18 20:14:08 +00:00
Anna Zaks 673d76b0bc Factor CollectClassPropertyImplementations out of Sema into AST
This would make it possible for the analyzer to use the function.

llvm-svn: 166210
2012-10-18 19:17:53 +00:00
Jordan Rose 2bd991a1c0 Move Sema::PropertyIfSetterOrGetter to ObjCMethodDecl::findPropertyDecl.
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.

llvm-svn: 165628
2012-10-10 16:42:54 +00:00
Jordan Rose 79af985bad Change Sema::PropertyIfSetterOrGetter to make use of isPropertyAccessor.
Old algorithm:
1. See if the name looks like a getter or setter.
2. Use the name to look up a property in the current ObjCContainer
   and all its protocols.
3. If the current container is an interface, also look in all categories
   and superclasses (and superclass categories, and so on).

New algorithm:
1. See if the method is marked as a property accessor. If so, look through
   all properties in the current container and find one that has a matching
   selector.
2. Find all overrides of the method using ObjCMethodDecl's
   getOverriddenMethods. This collects methods in superclasses and protocols
   (as well as superclass categories, which isn't really necessary), and
   checks if THEY are accessors. This part is not done recursively, since
   getOverriddenMethods is already recursive.

This lets us handle getters and setters that do not match the property
names.

llvm-svn: 165627
2012-10-10 16:42:38 +00:00
Jordan Rose d01e83ab3e Rename ObjCMethodDecl::isSynthesized to isPropertyAccessor.
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'.

llvm-svn: 165626
2012-10-10 16:42:25 +00:00
Anna Zaks 454477cd07 Make getDefaultSynthIvarName() a member of ObjCPropertyDecl.
llvm-svn: 164789
2012-09-27 19:45:11 +00:00
Anna Zaks 9802f9fb2a [analyzer] Add experimental ObjC invalidation method checker.
This checker is annotation driven. It checks that the annotated
invalidation method accesses all ivars of the enclosing objects that are
objects of type, which in turn contains an invalidation method.

This is driven by
__attribute((annotation("objc_instance_variable_invalidator")).

llvm-svn: 164716
2012-09-26 18:55:16 +00:00
Fariborz Jahanian 974c948049 objective-C: when diagnosing deprecated/unavailable usage of
setter or getter backing a deprecated/unavailable property,
also not location of the property. // rdar://12324295

llvm-svn: 164412
2012-09-21 20:46:37 +00:00
Fariborz Jahanian cfb00a4137 objective-C: don't warn about class extension property's
missing 'assign' attribute as it is determined by its
overridden property in primary class. // rdar://12214070 

llvm-svn: 164080
2012-09-17 23:57:35 +00:00
Fariborz Jahanian b14a3b24b1 objective-C: peroform property attribute consistency
checking on property declared in class extension.
// rdar://12214070

llvm-svn: 164053
2012-09-17 20:57:19 +00:00
Richard Smith da83703ed4 Fix some dead stores which the static analyzer warned about. No functionality
change (the problematic cases in ParseDecl.cpp are currently impossible).

llvm-svn: 163920
2012-09-14 18:27:01 +00:00
Fariborz Jahanian fd5cf6cf26 objective-C: When checking for valid overriden property
in class extension, assume default is rewdwrite and don't
issue any diagnostics, privided other ownership models
are ok.

llvm-svn: 162583
2012-08-24 20:10:53 +00:00
Richard Smith 802c4b7015 Fix undefined behavior: member function calls where 'this' is a null pointer.
llvm-svn: 162430
2012-08-23 06:16:52 +00:00
Benjamin Kramer fc6eb7d383 Reduce duplicated hash map lookups.
llvm-svn: 162361
2012-08-22 15:37:55 +00:00
Fariborz Jahanian ea262f7936 change function name in my last patch.
// rdar://12103400

llvm-svn: 162320
2012-08-21 21:52:02 +00:00
Fariborz Jahanian 8d1ca5a142 objective-C: Change rules for overriding properties in
class extensions a little. clang now allows readonly property 
with no ownership rule (assign, unsafe_unretained, weak, retain, 
strong, or copy) with a readwrite property with an ownership rule.
// rdar://12103400 

llvm-svn: 162319
2012-08-21 21:45:58 +00:00
John McCall 3deb1ad40c Screw around with ObjCRuntime some more, changing the
diagnostics for bad deployment targets and adding a few
more predicates.  Includes a patch by Jonathan Schleifer
to enable ARC for ObjFW.

llvm-svn: 162252
2012-08-21 02:47:43 +00:00
John McCall d8561f058d Fix a pair of bugs relating to properties in ARC.
First, when synthesizing an explicitly strong/retain/copy property
of Class type, don't pretend during compatibility checking that the
property is actually assign.  Instead, resolve incompatibilities
by secretly changing the type of *implicitly* __unsafe_unretained
Class ivars to be strong.  This is moderately evil but better than
what we were doing.

Second, when synthesizing the setter for a strong property of
non-retainable type, be sure to use objc_setProperty.  This is
possible when the property is decorated with the NSObject
attribute.  This is an ugly, ugly corner of the language, and
we probably ought to deprecate it.

The first is rdar://problem/12039404;  the second was noticed by
inspection while fixing the first.

llvm-svn: 162244
2012-08-20 23:36:59 +00:00
Benjamin Kramer 90653a1920 Remove unused variables.
llvm-svn: 161483
2012-08-08 09:26:28 +00:00
Dmitri Gribenko e7bb944c85 Attaching comments to declarations during parsing: handle more Objective-C declarations.
llvm-svn: 160156
2012-07-13 01:06:46 +00:00
Fariborz Jahanian 9699c1ef38 fix a typo in my last commit. I thought I recompiled,
but apparently I did not.

llvm-svn: 159452
2012-06-29 19:05:11 +00:00
Fariborz Jahanian 1db30fc071 objc diagnostic: pass IdentifierInfo* to the diagnostic system
to produce quotes instead of adding qoute to the test.

llvm-svn: 159450
2012-06-29 18:43:30 +00:00
Fariborz Jahanian bbd0d6992b objective-c mrc: Issue warning for mrc, as is done for arc, when
property retains a block object as it could be on 
the stack. // rdar://11761511

llvm-svn: 159293
2012-06-27 20:52:46 +00:00
Fariborz Jahanian 914faaf78a objc: tweak my last patch to warn if class extension
has not overridden the property. // rdar://11656982

llvm-svn: 158871
2012-06-20 23:18:57 +00:00