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2009-01-08Move FIXME to a better location.Steve Naroff
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61937 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-08Removed ObjCContainerDecl::getPropertyMethods()...doesn't belong in the AST.Steve Naroff
Moved logic to Sema::ProcessPropertyDecl(). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61936 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-08Remove redundant method context (now that ObjCMethodDecl isa ScopedDecl).Steve Naroff
Convert clients to use the standard getDeclContext() API. Doug, thanks for the review! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61935 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-08This is a large/messy diff that unifies the ObjC AST's with DeclContext.Steve Naroff
- ObjCContainerDecl's (ObjCInterfaceDecl/ObjCCategoryDecl/ObjCProtocolDecl), ObjCCategoryImpl, & ObjCImplementation are all DeclContexts. - ObjCMethodDecl is now a ScopedDecl (so it can play nicely with DeclContext). - ObjCContainerDecl now does iteration/lookup using DeclContext infrastructure (no more linear search:-) - Removed ASTContext argument to DeclContext::lookup(). It wasn't being used and complicated it's use from an ObjC AST perspective. - Added Sema::ProcessPropertyDecl() and removed Sema::diagnosePropertySetterGetterMismatch(). - Simplified Sema::ActOnAtEnd() considerably. Still more work to do. - Fixed an incorrect casting assumption in Sema::getCurFunctionOrMethodDecl(), now that ObjCMethodDecl is a ScopedDecl. - Removed addPropertyMethods from ObjCInterfaceDecl/ObjCCategoryDecl/ObjCProtocolDecl. This passes all the tests on my machine. Since many of the changes are central to the way ObjC finds it's methods, I expect some fallout (and there are still a handful of FIXME's). Nevertheless, this should be a step in the right direction. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61929 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-08Add isSubRegionOf() method to SubRegion.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61924 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-08PTH: Hook up getSpelling() caching in PTHLexer. This results in a niceTed Kremenek
performance gain. Here's what we see for -Eonly on Cocoa.h (using PTH): - wall time decreases by 21% (26% speedup overall) - system time decreases by 35% - user time decreases by 6% These reductions are due to not paging source files just to get spellings for literals. The solution in place doesn't appear to be 100% yet, as we still see some of the pages for source files getting mapped in. Using -print-stats, we see that SourceManager maps in 7179K less bytes of source text (reduction of 75%). Will investigate why the remaining 25% are getting paged in. With these changes, here's how PTH compares to non-PTH on Cocoa.h: -Eonly: PTH takes 64% of the time as non-PTH (54% speedup) -fsyntax-only: PTH takes 89% of the time as non-PTH (11% speedup) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61913 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-08PTH:Ted Kremenek
- Added stub PTHLexer::getSpelling() that will be used for fetching cached spellings from the PTH file. This doesn't do anything yet. - Added a hook in Preprocessor::getSpelling() to call PTHLexer::getSpelling() when using a PTHLexer. - Updated PTHLexer to read the offsets of spelling tables in the PTH file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61911 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-08Objc's compatibility-alias semantics and codeFariborz Jahanian
gen issue fix. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61901 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-07Update some doxygen comments to be more rich. Remove ↵Ted Kremenek
StoreManager::GetRegionSVal. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61894 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-07Refactor MemRegionManager instance variable into parent class. No ↵Ted Kremenek
functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61888 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-07Fix PR clang/3291Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61886 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-07Fix printing of member references to avoid displaying implicitly-generated ↵Douglas Gregor
member references, e.g., for anonymous struct/unions or implicit 'this' in member functions git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61885 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-07Don't ICE when messaging on 'super' receiver when classFariborz Jahanian
of category implementation is undeclared. Issue error instead. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61882 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-07Another nasty code gen. bug with trivial fix. Calling classFariborz Jahanian
method on 'super' receiver in a category implementation. Other simpler cases were working by accident. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61880 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-07Finished semantic analysis of anonymous unions in C++.Douglas Gregor
Duplicate-member checking within classes is still a little messy, and anonymous unions are still completely broken in C. We'll need to unify the handling of fields in C and C++ to make this code applicable in both languages. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61878 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-07ObjC AST cleanups/simplifications (phase 1).Steve Naroff
Add ObjCContainerDecl class and have ObjCInterfaceDecl/ObjCCategoryDecl/ObjCProtocolDecl inherit from it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61866 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-07Use DeclContext::getLookupContext wherever necessary to ensure that we look ↵Douglas Gregor
through transparent contexts git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61861 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-07When determining whether a variable is a file-scoped variable, checkDouglas Gregor
out its lookup context (to see through linkage specifications). Addresses <rdar://problem/6477142>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61848 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-07Initial implementation of anonymous unions (and, as a GNU extension,Douglas Gregor
structures and classes) in C++. Covers name lookup and the synthesis and member access for the unnamed objects/fields associated with anonymous unions. Some C++ semantic checks are still missing (anonymous unions can't have function members, static data members, etc.), and there is no support for anonymous structs or unions in C. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61840 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-07This commit reflects changes to the retain/release checker motivated by myTed Kremenek
recent discussions with Thomas Clement and Ken Ferry concerning the "fundamental rule" for Cocoa memory management (http://developer.apple.com/documentation/Cocoa/Conceptual/MemoryMgmt/Tasks/MemoryManagementRules.html). Here is the revised behavior of the checker concerning tracking retain/release counts for objects returned from message expressions involving instance methods: 1) Track the returned object if the return type of the message expression is id<..>, id, or a pointer to *any* object that subclasses NSObject. Such objects are assumed to have a retain count. Previously the checker only tracked objects when the receiver of the message expression was part of the standard Cocoa API (i.e., had class names prefixed with 'NS'). This should significantly expand the amount of checking performed. 2) Consider the object owned if the selector of the message expression contains "alloc", "new", or "copy". Previously we also considered "create", but this doesn't follow from the fundamental rule (discussions with the Cocoa folks confirms this). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61837 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-06Allow Objective-C entities to be declared within a transparent contextDouglas Gregor
nested in the translation unit. This fixes <rdar://problem/6476070>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61832 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-06SourceManager: Implement "lazy" creation of MemBuffers for source files.Ted Kremenek
- Big Idea: Source files are now mmaped when ContentCache::getBuffer() is first called. While this doesn't change the functionality when lexing regular source files, it can result in source files not being paged in when using PTH. - Performance change: - No observable difference (-fsyntax-only/-Eonly) on Cocoa.h when doing regular source lexing. - No observable time difference (-fsyntax-only/-Eonly) on Cocoa.h when using PTH. We do observe, however, a reduction of 279K in memory mapped source code (3% reduction). The majority of pages from Cocoa.h (and friends) are still being pulled in, however, because any literal will cause Preprocessor::getSpelling() to be called (causing the source for the file to get pulled in). The next possible optimization is to cache literal strings in the PTH file to avoid the need for the original header sources entirely. - Right now there is a preprocessor directive to toggle between "lazy" and "eager" creation of MemBuffers. This is not permanent, and is there in the short term to just test additional optimizations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61827 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-06Another tweak to handle the MS extensions (<rdar://problem/5956221>).Steve Naroff
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61821 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-06Add whitespace to silence the following warning in a Release build: warning: ↵Ted Kremenek
suggest a space before ';' or explicit braces around empty body in 'while' statement git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61820 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-06Return UnknownVal in RegionStoreManager::getSizeInElements() for unsupported ↵Ted Kremenek
regions. This silences a warning when compiling Release-Asserts builds. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61818 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-06Couple of code gen. fixes in ObjC's colection-statement. HardFariborz Jahanian
to track down, easy to fix. This is on going. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61817 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-06Fix <rdar://problem/5956221> clang ObjC rewriter: Microsoft-specific ↵Steve Naroff
__fastcall keyword unrecognized. This fix is C++ specific. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61816 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-06- Various comment typo fixes in Sema.hChris Lattner
- Simplify ParseDeclCXX to use early exit on error instead of nesting. - Change ParseDeclCXX to using the 'skip on error' form of ExpectAndConsume. - If we don't see the ; in a using directive, still call the action, for hopefully better error recovery. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61801 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-06it is ok to insert empty source ranges into diagnostics, declare variable in ↵Chris Lattner
an if. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61800 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-06simplify some code using 'continue' and the new 'isInIdentifierNamespace' ↵Chris Lattner
predicate. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61799 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-06Minor tweaks to the transparent declcontext patchDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61798 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-06rename MaybeParseCXXScopeSpecifier -> ParseOptionalCXXScopeSpecifier and Chris Lattner
MaybeParseTypeSpecifier -> ParseOptionalTypeSpecifier. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61796 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-06minor code cleanups, reduce indentation since 'if' block can't fall through.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61795 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-06Add QualifiedDeclRefExpr, which retains additional source-locationDouglas Gregor
information for declarations that were referenced via a qualified-id, e.g., N::C::value. We keep track of the location of the start of the nested-name-specifier. Note that the difference between QualifiedDeclRefExpr and DeclRefExpr does have an effect on the semantics of function calls in two ways: 1) The use of a qualified-id instead of an unqualified-id suppresses argument-dependent lookup 2) If the name refers to a virtual function, the qualified-id version will call the function determined statically while the unqualified-id version will call the function determined dynamically (by looking up the appropriate function in the vtable). Neither of these features is implemented yet, but we do print out qualified names for QualifiedDeclRefExprs as part of the AST printing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61789 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-06rename tok::annot_qualtypename -> tok::annot_typename, which is bothChris Lattner
shorter and more accurate. The type name might not be qualified. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61788 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-06Misc changes to SourceManager::ContentCache:Ted Kremenek
- 'Buffer' is now private and must be accessed via 'getBuffer()'. This paves the way for lazily mapping in source files on demand. - Added 'getSize()' (which gets the size of the content without necessarily accessing the MemBuffer) and 'getSizeBytesMapped()'. - Modifed SourceManager to use these new methods. This reduces the number of places that actually access the MemBuffer object for a file to those that actually look at the character data. These changes result in no performance change for -fsyntax-only on Cocoa.h. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61782 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-05Optimize stringification a bit to avoid std::string thrashing andChris Lattner
avoid the version of Preprocessor::getSpelling that returns an std::string. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61769 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-05Remainder is only valid on integer vector operands.Daniel Dunbar
Improve ext vector test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61766 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-05Back out code for handling VectorType's in getFloatingRank.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61764 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-05Use CheckVectorOperands when % is applied to a vector type.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61763 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-05Implement getFloatingRank() for extended vectors.Daniel Dunbar
- I'm not sure this is appropriate, but it seems reasonable to be able to call getFloatingRank on anything which isFloatingType(). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61758 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-05Silence a GCC warningSebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61747 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-05PODness and Type TraitsSebastian Redl
Make C++ classes track the POD property (C++ [class]p4) Track the existence of a copy assignment operator. Implicitly declare the copy assignment operator if none is provided. Implement most of the parsing job for the G++ type traits extension. Fully implement the low-hanging fruit of the type traits: __is_pod: Whether a type is a POD. __is_class: Whether a type is a (non-union) class. __is_union: Whether a type is a union. __is_enum: Whether a type is an enum. __is_polymorphic: Whether a type is polymorphic (C++ [class.virtual]p1). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61746 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-05Introduce support for "transparent" DeclContexts, which areDouglas Gregor
DeclContexts whose members are visible from enclosing DeclContexts up to (and including) the innermost enclosing non-transparent DeclContexts. Transparent DeclContexts unify the mechanism to be used for various language features, including C enumerations, anonymous unions, C++0x inline namespaces, and C++ linkage specifications. Please refer to the documentation in the Clang internals manual for more information. Only enumerations and linkage specifications currently use transparent DeclContexts. Still to do: use transparent DeclContexts to implement anonymous unions and GCC's anonymous structs extension, and, later, the C++0x features. We also need to tighten up the DeclContext/ScopedDecl link to ensure that every ScopedDecl is in a single DeclContext, which will ensure that we can then enforce ownership and reduce the memory footprint of DeclContext. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61735 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-05simplify Preprocessor::getSpelling now that identifiers carry aroundChris Lattner
their length. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61734 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-05Fix an uninitialized-variable warningDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61700 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-05remove optimization to avoid looking ahead for cases like ::foo. ThisChris Lattner
isn't worth the complexity and the code already does a ton of lookahead. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61671 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-05simplify some code.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61668 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-05Rearrange some code in TryAnnotateTypeOrScopeToken to make it Chris Lattner
early exit for C and avoid template lookup for C. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61667 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-05Fix a bug where we'd try to look beyond the current cached tokens whenChris Lattner
not in backtracking mode. This was just using the wrong predicate. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61666 91177308-0d34-0410-b5e6-96231b3b80d8
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