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2011-11-23[PCH] Check for isTopLevelDeclInObjCContainer when picking abbreviations.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145110 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-23[libclang] Fix operations (token annotation, getting cursor, etc.) with a ↵Argyrios Kyrtzidis
file region inside an objc container that "contains" other file-level declarations. When getting the array of file-level declarations that overlap with a file region, we failed to report that the region overlaps with an objc container, if the container had other file-level declarations declared lexically inside it. Fix this by marking such declarations as "isTopLevelDeclInObjCContainer" in the AST and handling them appropriately. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145109 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-15Use Decl's isImplicit field to indicate whether an ObjCInterfaceDecl is ↵Argyrios Kyrtzidis
'ImplicitInterfaceDecl', no need to store it in another field. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144624 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-31[PCH] Now that we store the location of a decl outside its recordArgyrios Kyrtzidis
make sure that we keep track of locations of replaced decls as well. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143341 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-28[PCH] In ASTWriter::associateDeclWithFile don't bother finding the file locArgyrios Kyrtzidis
if we are not interested in the decl. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143255 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-28[PCH] Keep track of file-level declarations that are contained by files.Argyrios Kyrtzidis
Introduce a FILE_SORTED_DECLS [de]serialization record that contains a file sorted array of file-level DeclIDs in a PCH/Module. The rationale is to allow "targeted" deserialization of decls inside a range of a source file. Cocoa PCH increased by 0.8% Difference of creation time for Cocoa PCH is below the noise level. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143238 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27[PCH] Pull the location out of the serialized declarations and put it in the ↵Argyrios Kyrtzidis
array of decl bit offsets. This allows us to easily get at the location of a decl without deserializing it. It increases size of Cocoa PCH by only 0.2%. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143123 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26Eliminate a hang while loading a sequence of redeclarable entities. InDouglas Gregor
essence, the redeclaration chain for a class could end up in an inconsistent state while deserializing multiple declarations in that chain, where the circular linked list was not, in fact, circular. Since only two redeclarations of the same entity will get loaded when we're in this state, restore circularity when both have been loaded. Fixes <rdar://problem/10324940> / PR11195. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143037 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-17Keep track when a ObjC interface/protocol was initially created as a forward ↵Argyrios Kyrtzidis
reference. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142230 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14[PCH] Serialize info about redeclared objc methods.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141964 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-07Rename TagDecl::isDefinition -> isCompleteDefinitionJohn McCall
for better self-documenting code, since the semantics are subtly different from getDefinition(). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141355 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Added a flag to identify resolved overloaded function references.Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141171 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-04Improve location fidelity of objc decls.Argyrios Kyrtzidis
-Add the location of the class name to all objc container decls, not just ObjCInterfaceDecl. -Make objc decls consistent with the rest of the NamedDecls and have getLocation() point to the class name, not the location of '@'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141061 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-03Allow getting all source locations of selector identifiers in a ObjCMethodDecl.Argyrios Kyrtzidis
Instead of always storing all source locations for the selector identifiers we check whether all the identifiers are in a "standard" position; "standard" position is -Immediately before the arguments: -(id)first:(int)x second:(int)y; -With a space between the arguments: -(id)first: (int)x second: (int)y; -For nullary selectors, immediately before ';': -(void)release; In such cases we infer the locations instead of storing them. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140989 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-03Don't keep NumSelectorArgs in the ObjCMethodDecl, the number can be derived ↵Argyrios Kyrtzidis
from the selector. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140983 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-30Mark a TagDecl when it is free standing (e.g. "struct foo;")Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140894 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-23Removing a bunch of dead returns/breaks after llvm_unreachables.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140407 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-23Switch assert(0/false) llvm_unreachable.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140367 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-22Don't use TemplateArgumentListInfo inside AST nodes because it may leak.Argyrios Kyrtzidis
Use ASTTemplateArgumentListInfo instead. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140331 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13[PCH] Fix a regression that r139441 introduced (decls were getting passedArgyrios Kyrtzidis
to the consumer without being fully deserialized). The regression was on compiling boost.python and it was too difficult to get a reduced test case unfortunately. Also modify the logic of how objc methods are getting passed to the consumer; codegen depended on receiving objc methods before the implementation decl. Since the interesting objc methods are ones with a body and such methods only exist inside an ObjCImplDecl, deserialize and pass to consumer all the methods of ObCImplDecl when we see one. Fixes http://llvm.org/PR10922 & rdar://10117105. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139644 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-10Clean up our handling of Objective-C definitions in AST files. RatherDouglas Gregor
than having CodeGen check whether a declaration comes from an AST file (which it shouldn't know or care about), make sure that the AST writer and reader pass along "interesting" declarations that CodeGen needs to know about. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139441 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-10Kill of the Decl::PCHLevel field entirely. We now only need to knowDouglas Gregor
whether a Decl was deserialized from an AST file (any AST file). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139438 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-09Eliminate all but one caller of Decl::getPCHLevel()Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139430 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-09Introduce a new predicate Decl::isFromASTFile() to determine whether aDouglas Gregor
declaration was deserialized from an AST file. Use this instead of Decl::getPCHLevel() wherever possible. This is a simple step toward killing off Decl::getPCHLevel(). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139427 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-09Modules: introduce the __module_private__ declaration specifier, whichDouglas Gregor
indicates that a declaration is only visible within the module it is declared in. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139348 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-27objective-c: Treat top-level objective-c declarationsFariborz Jahanian
, such as list of forward @class decls, in a DeclGroup node. Deal with its consequence throught clang. This is in preparation for more Sema work ahead. // rdar://8843851. Feel free to reverse if it breaks something important and I am unavailable. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138709 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Remove an unnecessary assignment (to InstFromD).Argyrios Kyrtzidis
Caught by the static analyzer! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137878 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Add serialization support for ClassScopeFunctionSpecializationDecl.Francois Pichet
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137799 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-15Track in the AST whether a function is constexpr.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137653 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-12In the serialized AST format, make the translation unit a "predefined"Douglas Gregor
declaration that never actually gets serialized. Instead, serialize the various kinds of update records (lexical decls, visible decls, the addition of an anonymous namespace) for the translation unit, even if we're not chaining. This way, we won't have to deal with multiple loaded translation unit declarations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137395 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
2011-07-01Introduce the notion of instantiation dependence into Clang's AST. ADouglas Gregor
type/expression/template argument/etc. is instantiation-dependent if it somehow involves a template parameter, even if it doesn't meet the requirements for the more common kinds of dependence (dependent type, type-dependent expression, value-dependent expression). When we see an instantiation-dependent type, we know we always need to perform substitution into that instantiation-dependent type. This keeps us from short-circuiting evaluation in places where we shouldn't, and lets us properly implement C++0x [temp.type]p2. In theory, this would also allow us to properly mangle instantiation-dependent-but-not-dependent decltype types per the Itanium C++ ABI, but we aren't quite there because we still mangle based on the canonical type in cases like, e.g., template<unsigned> struct A { }; template<typename T> void f(A<sizeof(sizeof(decltype(T() + T())))>) { } template void f<int>(A<sizeof(sizeof(int))>); and therefore get the wrong answer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134225 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Objective-C fast enumeration loop variables are not retained in ARC, butJohn McCall
they should still be officially __strong for the purposes of errors, block capture, etc. Make a new bit on variables, isARCPseudoStrong(), and set this for 'self' and these enumeration-loop variables. Change the code that was looking for the old patterns to look for this bit, and change IR generation to find this bit and treat the resulting variable as __unsafe_unretained for the purposes of init/destroy in the two places it can come up. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133243 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-11Implement support for C++11 in-class initialization of non-static data members.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132878 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-11Implement Objective-C Related Result Type semantics.Douglas Gregor
Related result types apply Cocoa conventions to the type of message sends and property accesses to Objective-C methods that are known to always return objects whose type is the same as the type of the receiving class (or a subclass thereof), such as +alloc and -init. This tightens up static type safety for Objective-C, so that we now diagnose mistakes like this: t.m:4:10: warning: incompatible pointer types initializing 'NSSet *' with an expression of type 'NSArray *' [-Wincompatible-pointer-types] NSSet *array = [[NSArray alloc] init]; ^ ~~~~~~~~~~~~~~~~~~~~~~ /System/Library/Frameworks/Foundation.framework/Headers/NSObject.h:72:1: note: instance method 'init' is assumed to return an instance of its receiver type ('NSArray *') - (id)init; ^ It also means that we get decent type inference when writing code in Objective-C++0x: auto array = [[NSMutableArray alloc] initWithObjects:@"one", @"two",nil]; // ^ now infers NSMutableArray* rather than id git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132868 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-06Touchup to comments that weren't quite in sync with codeJonathan D. Turner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132679 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-03Improvements to abbreviations for PCH which add support for EnumDecl, ↵Jonathan D. Turner
ObjCIvarDecl, TypedefDecl, VarDecl and FieldDecl and improve support for ParmVarDecl. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132604 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-03Test of commit access. Jonathan D. Turner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132596 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-03Introduce additional abbreviations into the AST writer forDouglas Gregor
DeclRefExprs, IntegerLiterals, and others, reducing Cocoa PCH size by ~1% and C++ header size by ~2.5%. From Jonathan Turner! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132528 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-12Implement defaulting of destructors.Sean Hunt
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131260 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-06Modify some deleted function methods to better reflect reality:Sean Hunt
- New isDefined() function checks for deletedness - isThisDeclarationADefinition checks for deletedness - New doesThisDeclarationHaveABody() does what isThisDeclarationADefinition() used to do - The IsDeleted bit is not propagated across redeclarations - isDeleted() now checks the canoncial declaration - New isDeletedAsWritten() does what it says on the tin. - isUserProvided() now correct (thanks Richard!) This fixes the bug that we weren't catching void foo() = delete; void foo() {} as being a redefinition. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131013 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-05Implement support for C++0x alias templates.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130953 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-02Revise the representation of parameter scope data so that theJohn McCall
scope depth overlaps with the ObjCDeclQualifier, dropping memory usage back to previous levels. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130671 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-01Store a parameter index and function prototype depth in everyJohn McCall
parameter node and use this to correctly mangle parameter references in function template signatures. A follow-up patch will improve the storage usage of these fields; here I've just done the lazy thing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130669 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-01Re-applies the patch first applied way back in r106099, withChandler Carruth
accompanying fixes to make it work today. The core of this patch is to provide a link from a TemplateTypeParmType back to the TemplateTypeParmDecl node which declared it. This in turn provides much more precise information about the type, where it came from, and how it functions for AST consumers. To make the patch work almost a year after its first attempt, it needed serialization support, and it now retains the old getName() interface. Finally, it requires us to not attempt to instantiate the type in an unsupported friend decl -- specifically those coming from template friend decls but which refer to a specific type through a dependent name. A cleaner representation of the last item would be to build FriendTemplateDecl nodes for these, storing their template parameters etc, and to perform proper instantation of them like any other template declaration. They can still be flagged as unsupported for the purpose of access checking, etc. This passed an asserts-enabled bootstrap for me, and the reduced test case mentioned in the original review thread no longer causes issues, likely fixed at somewhere amidst the 24k revisions that have elapsed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130628 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-24Set the correct anonymous namespace (must be last reopening), and behave ↵Sebastian Redl
correctly in the presence of the ever-annoying linkage specifications. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130105 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-24Fix adding an anonymous namespace in a chained PCH to a namespace from a ↵Sebastian Redl
previous PCH. Fix anonymous namespaces in PCH. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130104 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-19We regard a function as 'unused' from the codegen perspective, so our ↵Argyrios Kyrtzidis
warnings diverge from gcc's unused warnings which don't get emitted if the function is referenced even in an unevaluated context (e.g. in templates, sizeof, etc.). Also, saying that a function is 'unused' because it won't get codegen'ed is somewhat misleading. - Don't emit 'unused' warnings for functions that are referenced in any part of the user's code. - A warning that an internal function/variable won't get emitted is useful though, so introduce -Wunneeded-internal-declaration which will warn if a function/variable with internal linkage is not "needed" ('used' from the codegen perspective), e.g: static void foo() { } template <int> void bar() { foo(); } test.cpp:1:13: warning: function 'foo' is not needed and will not be emitted static void foo() { } ^ Addresses rdar://8733476. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129794 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15Support for C++11 (non-template) alias declarations.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129567 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14Add support for C++0x's range-based for loops, as specified by the C++11 ↵Richard Smith
draft standard (N3291). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129541 91177308-0d34-0410-b5e6-96231b3b80d8
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