-Renamed ContextDecl -> DeclContext
-Removed DeclContext pointer from FieldDecl
-EnumDecl inherits from DeclContext, instead of TagDecl

Patch by Argiris Kirtzidis!

llvm-svn: 49261

-Added ContextDecl (no TranslationUnitDecl)
-ScopedDecl class has a ContextDecl member
-FieldDecl class has a ContextDecl member, so that a Field or a ObjCIvar can be traced back to their RecordDecl/ObjCInterfaceDecl easily
-FunctionDecl, ObjCMethodDecl, TagDecl, ObjCInterfaceDecl inherit from ContextDecl. With TagDecl as ContextDecl, enum constants have a EnumDecl as their context.
-Moved Decl class to a "DeclBase.h" along with ContextDecl class
-CurContext is handled by Sema

llvm-svn: 49208

Change ObjCInterfaceDecl to inherit from NamedDecl (not TypeDecl). While ObjCInterfaceDecl is arguably a TypeDecl, it isn't a ScopedDecl. Since TypeDecl's are scoped, it makes sense to simply treat them as NamedDecl's. I could have fiddled a bit more with the hierarchy (in terms of creating a non-scoped TypeDecl), however this probably isn't worth the effort. 

I also finished unifying access to scope decl change by converting Sema::getObjCInterfaceDecl() to use Sema::LookupDecl(). This is much cleaner now:-)

llvm-svn: 49107

Two changes to Sema::LookupDecl() interface. 
(1) Remove IdLoc (it's never used). 
(2) Add a bool to enable/disable lazy builtin creaation (defaults to true).

This enables us to use LookupDecl() in Sema::isTypeName(), which is also part of this commit.

To make this work, I changed isTypeName() to be a non-const member function. I'm not happy with this, however I fiddled with making LookupDecl() and friends const and it got ugly pretty quickly. We can certainly add it back if/when someone has time to fiddle with it. For now, I thought this simplification was more important than retaining the const-ness. 

llvm-svn: 49087

Fairly large "cleaup" related to changing ObjCCompatibleAliasDecl superclass (to inherit from NamedDecl, instead of ScopedDecl). 

- Added a DenseMap to associate an IdentifierInfo with the ObjCCompatibleAliasDecl.
- Renamed LookupScopedDecl->LookupDecl and changed it's return type to Decl. Also added lookup for ObjCCompatibleAliasDecl's.
- Removed Sema::LookupInterfaceDecl(). Converted clients to used LookupDecl().
- Some minor indentation changes.

Will deal with ObjCInterfaceDecl and getObjCInterfaceDecl() in a separate commit...

llvm-svn: 49058

like the rest of the classes.

llvm-svn: 48434

the allocation in the class, not in sema.

llvm-svn: 48433

llvm-svn: 48432

llvm-svn: 48428

specified.  Previously, the ctor would allocate memory for the list and then
it would get filled in later.  Move the allocation+filling in to be more 
consistent with other stuff, e.g. the addMethods method.

llvm-svn: 48427

llvm-svn: 48426

llvm-svn: 48423

a protocol could smash more references in than are allocated.

llvm-svn: 48411

llvm-svn: 48410

llvm-svn: 48408

can't have negative arguments.

llvm-svn: 48407

llvm-svn: 48406

llvm-svn: 48405

lib dir and move all the libraries into it.  This follows the main
llvm tree, and allows the libraries to be built in parallel.  The
top level now enforces that all the libs are built before Driver,
but we don't care what order the libs are built in.  This speeds
up parallel builds, particularly incremental ones.

llvm-svn: 48402

all Create methods.

llvm-svn: 48398

llvm-svn: 48396

llvm-svn: 47768

Happens with Xcode 2.4.1 headers on test
Parser/objc-foreach-error-1.m

llvm-svn: 47767

llvm-svn: 47560

llvm-svn: 47246

Add a diagnostics helper to remove some redundant code.

llvm-svn: 46936

A bunch-o changes to fix <rdar://problem/5716046> incomplete implementation of ObjC class warning is incomplete

As part of this fix, I made a low-level change to the text diagnostics machinery (to basically avoid printing duplicate source lines/carets when you have multiple diagnostics that refer to the same exact place). For now, this only happens with we don't have a source range (could be extended to support source ranges as well). 

llvm-svn: 46897

a method.

llvm-svn: 46232

llvm-svn: 46141

llvm-svn: 45839

some naming inconsistencies in the names of classes pertaining to Objective-C
support in clang.

llvm-svn: 45715

discussion of this change.

llvm-svn: 45410

More is yet to come.

llvm-svn: 45263

Various tweaks to the get/lookup instance/class method API's.

llvm-svn: 45224

Improve how we find private method decls. This involved:

- Changed Sema::ObjcActOnStartOfMethodDef() to register the methods with the global pools.
- Changed Sema::ActOnInstanceMessage() to look in global pools (should be much less error prone).
- Added a test case to message.m (for lookup that was broken).

Misc changes while I was investigating this...

- Changed Sema::ActOnAtEnd() to call AddFactoryMethodToGlobalPool (this looked like a cut/paste error).
- Added a comment and tweaked another where I was using the first person.

llvm-svn: 45142

- Remove getInstanceMethods/getClassMethods API on ObjcInterfaceDecl, ObjcProtocolDecl, and ObjcCategoryDecl. These methods are replaced by the respective iterators on each class.
- Add getInstanceMethodForSelector to ObjcInterfaceDecl, ObjcProtocolDecl, and ObjcCatgoryDecl. This hook will do a "shallow" lookup. This is a convenience method that reducing some of the iterator usage.
- Various changes to convert all clients to the above API's...
 

llvm-svn: 45046

llvm-svn: 44945

llvm-svn: 44941

llvm-svn: 44938

llvm-svn: 44925