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2009-01-12retain/release checker:Ted Kremenek
- Refactor a bunch of logic in the retain/release checker, making it more condense and easier to read. - Add support for "Create" methods in the DiskArbitration framework retain/release tests: - Rename CFDate.m to retain-release.m, and move test from CFString.c to retain-release.m - Add DiskArbitration framework tests cases. - Add/refine and few more retain/release GC test cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62106 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-12Patch to supprt case of readonly property being Fariborz Jahanian
assigned to when it has user declared setter method defined in the class implementation (but no declaration in the class itself). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62098 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-12Properly set the scope of non-fields declared within a struct, union,Douglas Gregor
or enum to be outside that struct, union, or enum. Fixes several regressions: <rdar://problem/6487662> <rdar://problem/6487669> <rdar://problem/6487684> <rdar://problem/6487702> PR clang/3305 PR clang/3312 There is still some work to do in Objective-C++, but this requires that each of the Objective-C entities (interfaces, implementations, etc.) to be introduced into the context stack with PushDeclContext/PopDeclContext. This will be a separate fix, later. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62091 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-12Handle multi-value inputsAnders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62069 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-12testcase that works now with r62061Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62062 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-11make ScalarExprEmitter::EmitCompare() emit the expression with the correct ↵Nuno Lopes
type instead of always zext it to an int this fixes codegen of simple exprs in C++ like 'if (x != 0)' git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62060 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-11More inline asm fixesAnders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62049 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-11Handle readwrite constraints correctlyAnders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62043 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-10Explicit declaration of property setters over-rideFariborz Jahanian
prohibition of 'readonly' properties in an assignment. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62028 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-10Allow multiple Microsoft calling-convention keywords. Fixes ↵Douglas Gregor
rdar://problem/6486133 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62018 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-09When we see a reference to a struct, class, or union like "struct X"Douglas Gregor
that is neither a definition nor a forward declaration and where X has not yet been declared as a tag, introduce a declaration into the appropriate scope (which is likely *not* to be the current scope). The rules for the placement of the declaration differ slightly in C and C++, so we implement both and test the various corner cases. This implementation isn't 100% correct due to some lingering issues with the function prototype scope (for a function parameter list) not being the same scope as the scope of the function definition. Testcase is FIXME'd; this probably isn't an important issue. Addresses <rdar://problem/6484805>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62014 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-09Dead stores checker: Don't flag dead stores for self-assignments (common ↵Ted Kremenek
escape hatch for 'unused variable' warnings). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62010 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-09This patch removes mergeProperties and does the property lookupFariborz Jahanian
in designated protocols lazily. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62007 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-09Very basic support for pure virtual functions.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62003 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-09Replace DeclContext's vector of ScopedDecl pointers with a linked listDouglas Gregor
of ScopedDecls (using the new ScopedDecl::NextDeclInScope pointer). Performance-wise: - It's a net win in memory utilization, since DeclContext is now one pointer smaller than it used to be (std::vectors are typically 3 pointers; we now use 2 pointers) and - Parsing Cocoa.h with -fsyntax-only (with a Release-Asserts Clang) is about 1.9% faster than before, most likely because we no longer have the memory allocations and copying associated with the std::vector. I'll re-enable serialization of DeclContexts once I've sorted out the NextDeclarator/NextDeclInScope question. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62001 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-09Fix rdar://6480479 - [parser] infinite loop on invalid inputChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61975 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-09Fix crash on null deference when searching for readwrite properties inDaniel Dunbar
categories. - Also, simplify nesting via early return. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61968 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-09Re-enable PTH testing for Cocoa.h and Carbon.h (and include testing for ↵Ted Kremenek
Objective-C++). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61965 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-09Temporarily revert r61956 and r61957 (PTH tests failing).Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61960 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-08Enhance -fsyntax-only test of Carbon.h to also include testing for PTH.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61958 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-08Enhance -fsyntax-only test of Cocoa.h to also include testing for PTH.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61957 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-08Place warning about 'readonly' property attributes whichFariborz Jahanian
are related to setter syntax under -Wreadonly-setter-attrs to prevent warnings in projects built with gcc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61953 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-08Unify the code for defining tags in C and C++, so that we alwaysDouglas Gregor
introduce a Scope for the body of a tag. This reduces the number of semantic differences between C and C++ structs and unions, and will help with other features (e.g., anonymous unions) in C. Some important points: - Fields are now in the "member" namespace (IDNS_Member), to keep them separate from tags and ordinary names in C. See the new test in Sema/member-reference.c for an example of why this matters. In C++, ordinary and member name lookup will find members in both the ordinary and member namespace, so the difference between IDNS_Member and IDNS_Ordinary is erased by Sema::LookupDecl (but only in C++!). - We always introduce a Scope and push a DeclContext when we're defining a tag, in both C and C++. Previously, we had different actions and different Scope/CurContext behavior for enums, C structs/unions, and C++ structs/unions/classes. Now, it's one pair of actions. (Yay!) There's still some fuzziness in the handling of struct/union/enum definitions within other struct/union/enum definitions in C. We'll need to do some more cleanup to eliminate some reliance on CurContext before we can solve this issue for real. What we want is for something like this: struct X { struct T { int x; } t; }; to introduce T into translation unit scope (placing it at the appropriate point in the IdentifierResolver chain, too), but it should still have struct X as its lexical declaration context. PushOnScopeChains isn't smart enough to do that yet, though, so there's a FIXME test in nested-redef.c git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61940 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
2009-01-07Fix PR clang/3291Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61886 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
2009-01-07Test case for anonymous unions in C++Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61860 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
2009-01-07This 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
2009-01-06Another 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
2009-01-06Fix <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
2009-01-06Add 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
2009-01-05rename these tests to match the attribute.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61770 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
2009-01-05PODness 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
2009-01-05Add forgotten test case for linkage specificationsDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61737 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
2009-01-05Fix 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
2009-01-05add a testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61660 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-04Fix the bug that would cause Python to crash at startup.Anders Carlsson
When emitting the static variables we need to make sure that the order is preserved. Fix this by making StaticDecls a std::list which has O(1) random removal. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61621 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-30Parser support for C++ using directives, from Piotr RakDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61486 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-28Fix a grep error that caused CodeGenObjC/encode-test.m to fail.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61455 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-28Diagnose declarations that don't declare anything, and fix PR3020.Sebastian Redl
Examples: int; typedef int; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61454 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-28Fix filename typo.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61453 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-27add RUN lineNuno Lopes
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61452 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-26Add support for out-of-line definitions of conversion functions and member ↵Douglas Gregor
operators git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61442 91177308-0d34-0410-b5e6-96231b3b80d8
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