151 Commits

Author SHA1 Message Date
Anders Carlsson
e827123f08 Make the CXXDefaultArgExpr constructor protected and add a static Create function.
llvm-svn: 79013
2009-08-14 18:30:22 +00:00
Anders Carlsson
4f4aab2aeb Use the correct cast kind as suggested by Doug.
llvm-svn: 78395
2009-08-07 18:45:49 +00:00
Fariborz Jahanian
11a8e95a1a After reporting ill-formed copy constructor(12.8.p3)
don't recurs and crash.

llvm-svn: 78323
2009-08-06 17:22:51 +00:00
Douglas Gregor
d806156d54 Support nested-name-specifiers for C++ member access expressions, e.g.,
this->Base::foo

from James Porter!

llvm-svn: 78278
2009-08-06 03:17:00 +00:00
Eli Friedman
44b83eea30 Get rid of "smart" quotes. Per report on cfe-dev.
llvm-svn: 78230
2009-08-05 19:21:58 +00:00
Mike Stump
12b8ce168d Canonicalize else.
llvm-svn: 78102
2009-08-04 21:02:39 +00:00
Douglas Gregor
55137cbc85 Produce a warning that partial ordering of function templates is not yet supported
llvm-svn: 77928
2009-08-02 23:46:29 +00:00
Anders Carlsson
a076d14514 Add CK_DerivedToBase and use it PerformObjectMemberConversion.
llvm-svn: 77652
2009-07-31 01:23:52 +00:00
Anders Carlsson
a26159261c Add a CastKind enum to CastExpr. Right now it's not used for much but it will be :)
llvm-svn: 77650
2009-07-31 00:48:10 +00:00
Ted Kremenek
c23c7e6a51 Change uses of:
Type::getAsReferenceType() -> Type::getAs<ReferenceType>()
  Type::getAsRecordType() -> Type::getAs<RecordType>()
  Type::getAsPointerType() -> Type::getAs<PointerType>()
  Type::getAsBlockPointerType() -> Type::getAs<BlockPointerType>()
  Type::getAsLValueReferenceType() -> Type::getAs<LValueReferenceType>()
  Type::getAsRValueReferenceType() -> Type::getAs<RValueReferenceType>()
  Type::getAsMemberPointerType() -> Type::getAs<MemberPointerType>()
  Type::getAsReferenceType() -> Type::getAs<ReferenceType>()
  Type::getAsTagType() -> Type::getAs<TagType>()
  
And remove Type::getAsReferenceType(), etc.

This change is similar to one I made a couple weeks ago, but that was partly
reverted pending some additional design discussion. With Doug's pending smart
pointer changes for Types, it seemed natural to take this approach.

llvm-svn: 77510
2009-07-29 21:53:49 +00:00
Sebastian Redl
9f831dbbcd Implement C++ semantics for C-style and functional-style casts. This regresses Clang extension conversions, like vectors, but allows conversions via constructors and conversion operators.
Add custom conversions to static_cast.

llvm-svn: 77076
2009-07-25 15:41:38 +00:00
Steve Naroff
8e6aee5821 Remove a bunch of FIXME's related to ObjC type checking.
- Move Sema::ObjCQualifiedIdTypesAreCompatible(), Sema::QualifiedIdConformsQualifiedId(), and a couple helper functions to ASTContext.
- Change ASTContext::canAssignObjCInterfaces() to use ASTContext:: ObjCQualifiedIdTypesAreCompatible(). 
- Tweak several test cases to accommodate the new/improved type checking.

llvm-svn: 76830
2009-07-23 01:01:38 +00:00
Argyrios Kyrtzidis
6b7e376160 Remove ASTContext::getCanonicalDecl() and use Decl::getCanonicalDecl in its place.
llvm-svn: 76274
2009-07-18 00:34:25 +00:00
Ted Kremenek
8a286fbdb9 Per offline discussion with Steve Naroff, add back Type::getAsXXXType() methods
until Doug Gregor's Type smart pointer code lands (or more discussion occurs).
These methods just call the new Type::getAs<XXX> methods, so we still have
reduced implementation redundancy. Having explicit getAsXXXType() methods makes
it easier to set breakpoints in the debugger.

llvm-svn: 76193
2009-07-17 17:50:17 +00:00
Ted Kremenek
b825c0ddc5 Replaced Type::getAsLValueReferenceType(), Type::getAsRValueReferenceType(), Type::getAsMemberPointerType(), Type::getAsTagType(), and Type::getAsRecordType() with their Type::getAs<XXX> equivalents.
llvm-svn: 76139
2009-07-17 01:20:38 +00:00
Ted Kremenek
3d486f08cb Replace Type::getAsReferenceType() with Type::getAs<ReferenceType>().
llvm-svn: 76132
2009-07-17 01:01:15 +00:00
Ted Kremenek
e3fb4b6524 Add member template 'Type::getAs<T>', which converts a Type* to a respective T*.
This method is intended to eventually replace the individual
Type::getAsXXXType<> methods.

The motivation behind this change is twofold:

1) Reduce redundant implementations of Type::getAsXXXType() methods. Most of
them are basically copy-and-paste.

2) By centralizing the implementation of the getAs<Type> logic we can more
smoothly move over to Doug Gregor's proposed canonical type smart pointer
scheme.

Along with this patch:

a) Removed 'Type::getAsPointerType()'; now clients use getAs<PointerType>.
b) Removed 'Type::getAsBlockPointerTypE()'; now clients use getAs<BlockPointerType>.

llvm-svn: 76098
2009-07-16 19:58:26 +00:00
Steve Naroff
79d1215d83 Remove ASTContext::isObjCObjectPointerType().
Convert all clients to use the new predicate on Type.

llvm-svn: 76076
2009-07-16 15:41:00 +00:00
Steve Naroff
1329fa0ed9 Implement the ObjC pseudo built-in types as clang "BuiltinType's". I say pseudo built-in types, since Sema still injects a typedef for recognition (i.e. they aren't truly built-ins from a parser perspective).
This removes the static data/methods on ObjCObjectPointerType while preserving the nice API (no need to fiddle with ASTContext:-).

This patch also adds Type::isObjCBuiltinType().

This should be the last fairly large patch related to recrafting the ObjC type system. The follow-on patches should be fairly small.

llvm-svn: 75808
2009-07-15 18:40:39 +00:00
Alisdair Meredith
a9ad47d94c Basic support for C++0x unicode types. Support for literals will follow in an incremental patch
llvm-svn: 75622
2009-07-14 06:30:34 +00:00
Argyrios Kyrtzidis
ef1c1e572c For C++ overloaded operator calls, set the source location of the DeclRefExpr to the location of the operator.
llvm-svn: 75600
2009-07-14 03:19:38 +00:00
Steve Naroff
7cae42b07a This patch includes a conceptually simple, but very intrusive/pervasive change.
The idea is to segregate Objective-C "object" pointers from general C pointers (utilizing the recently added ObjCObjectPointerType). The fun starts in Sema::GetTypeForDeclarator(), where "SomeInterface *" is now represented by a single AST node (rather than a PointerType whose Pointee is an ObjCInterfaceType). Since a significant amount of code assumed ObjC object pointers where based on C pointers/structs, this patch is very tedious. It should also explain why it is hard to accomplish this in smaller, self-contained patches.

This patch does most of the "heavy lifting" related to moving from PointerType->ObjCObjectPointerType. It doesn't include all potential "cleanups". The good news is additional cleanups can be done later (some are noted in the code). This patch is so large that I didn't want to include any changes that are purely aesthetic.

By making the ObjC types truly built-in, they are much easier to work with (and require fewer "hacks"). For example, there is no need for ASTContext::isObjCIdStructType() or ASTContext::isObjCClassStructType()! We believe this change (and the follow-up cleanups) will pay dividends over time. 

Given the amount of code change, I do expect some fallout from this change (though it does pass all of the clang tests). If you notice any problems, please let us know asap! Thanks.

llvm-svn: 75314
2009-07-10 23:34:53 +00:00
Douglas Gregor
6b6ba8bad8 Add test for C++ [over.over.]p1, the contexts in which one can take the address of an overloaded function.
llvm-svn: 75146
2009-07-09 17:16:51 +00:00
Douglas Gregor
b257e4fff8 Implement the simple form of overload resolution used when taking the
address of an overloaded function (which may involve both functions
and function templates). 

llvm-svn: 75069
2009-07-08 23:33:52 +00:00
Douglas Gregor
9b14658713 Implement template argument deduction when taking the address of a
function template. Most of the change here is in factoring out the
common bits used for template argument deduction from a function call
and when taking the address of a function template.

llvm-svn: 75044
2009-07-08 20:55:45 +00:00
Douglas Gregor
d3cb356d14 Overload resolution prefers non-templates to templates
llvm-svn: 74971
2009-07-07 23:38:56 +00:00
Douglas Gregor
89026b5018 When explicit template arguments are provided for a function call,
substitute those template arguments into the function parameter types
prior to template argument deduction. There's still a bit of work to
do to make this work properly when only some of the template arguments
are specified.

llvm-svn: 74576
2009-06-30 23:57:56 +00:00
Argyrios Kyrtzidis
cfbfe78e9e De-ASTContext-ify DeclContext.
Remove ASTContext parameter from DeclContext's methods. This change cascaded down to other Decl's methods and changes to call sites started "escalating".
Timings using pre-tokenized "cocoa.h" showed only a ~1% increase in time run between and after this commit.

llvm-svn: 74506
2009-06-30 02:36:12 +00:00
Argyrios Kyrtzidis
b4b64ca752 Remove the ASTContext parameter from the attribute-related methods of Decl.
The implementations of these methods can Use Decl::getASTContext() to get the ASTContext.

This commit touches a lot of files since call sites for these methods are everywhere.
I used pre-tokenized "carbon.h" and "cocoa.h" headers to do some timings, and there was no real time difference between before the commit and after it.

llvm-svn: 74501
2009-06-30 02:34:44 +00:00
Douglas Gregor
15448f8d23 Improve support for overloaded operator templates.
llvm-svn: 74390
2009-06-27 21:05:07 +00:00
Douglas Gregor
ad3f2fcf43 Improved semantic analysis and AST respresentation for function
templates.

For example, this now type-checks (but does not instantiate the body
of deref<int>):

  template<typename T> T& deref(T* t) { return *t; }

  void test(int *ip) {
    int &ir = deref(ip);
  }

Specific changes/additions:
  * Template argument deduction from a call to a function template.
  * Instantiation of a function template specializations (just the
  declarations) from the template arguments deduced from a call.
  * FunctionTemplateDecls are stored directly in declaration contexts
  and found via name lookup (all forms), rather than finding the
  FunctionDecl and then realizing it is a template. This is
  responsible for most of the churn, since some of the core
  declaration matching and lookup code assumes that all functions are
  FunctionDecls.

llvm-svn: 74213
2009-06-25 22:08:12 +00:00
Douglas Gregor
23061ded56 Implement matching of function templates, so that one can declare overloaded function templates. C++ [temp.over.link] paragraphs 4-8.
llvm-svn: 74079
2009-06-24 16:50:40 +00:00
Douglas Gregor
c9c02ed8f4 Keep track of when declarations are "used" according to C and
C++. This logic is required to trigger implicit instantiation of
function templates and member functions of class templates, which will
be implemented separately.

This commit includes support for -Wunused-parameter, printing warnings
for named parameters that are not used within a function/Objective-C
method/block. Fixes <rdar://problem/6505209>.

llvm-svn: 73797
2009-06-19 23:52:42 +00:00
Douglas Gregor
78bd61f661 Move the static DeclAttrs map into ASTContext. Fixes <rdar://problem/6983177>.
llvm-svn: 73702
2009-06-18 16:11:24 +00:00
Sebastian Redl
027de2adcd Avoid using the built-in type checker for assignment in C++ when classes are involved. Patch by Vyacheslav Kononenko.
llvm-svn: 72212
2009-05-21 11:50:50 +00:00
Douglas Gregor
7a77a6bcf9 Template instantiation for array subscript expressions. This was far
easier than expected because of the limitation that subscript
operators must be member functions.

llvm-svn: 72076
2009-05-19 00:01:19 +00:00
Mike Stump
87c57acfb7 Reflow some comments.
llvm-svn: 71936
2009-05-16 07:39:55 +00:00
Sebastian Redl
576fd424df Implement C++0x nullptr.
llvm-svn: 71405
2009-05-10 18:38:11 +00:00
Douglas Gregor
71235ecb7f When determining whether an expression refers to a bit-field, look
into the left-hand side of an assignment expression. This completes
most of PR3500; the only remaining part is to deal with the
GCC-specific implementation-defined behavior for "unsigned long" (and
other) bit-fields.

llvm-svn: 70623
2009-05-02 02:18:30 +00:00
Anders Carlsson
bfdea0f136 Get rid of the implicit deref call when calling member functions where the base is a pointer.
llvm-svn: 70562
2009-05-01 18:34:30 +00:00
Douglas Gregor
0cfbdab0cf Implement semantic analysis for transparent unions. This is largely
based on a patch from Anders Johnsen. CodeGen support is incomplete,
in that we do not properly coerce to the first field's type.

llvm-svn: 70419
2009-04-29 22:16:16 +00:00
Sebastian Redl
8ce189f9ce Conditional operator C++ checking complete. What issues remain are in more general code.
llvm-svn: 69555
2009-04-19 21:53:20 +00:00
Sebastian Redl
1a99f441e6 Fix a crash bug when comparing overload quality of conversion operators with conversion constructors.
Remove an atrocious amount of trailing whitespace in the overloaded operator mangler. Sorry, couldn't help myself.
Change the DeclType parameter of Sema::CheckReferenceInit to be passed by value instead of reference. It wasn't changed anywhere.
Let the parser handle C++'s irregular grammar around assignment-expression and conditional-expression.
And finally, the reason for all this stuff: implement C++ semantics for the conditional operator. The implementation is complete except for determining lvalueness.

llvm-svn: 69299
2009-04-16 17:51:27 +00:00
Sebastian Redl
42e92c4bc3 Parse deleted member functions. Parsing member declarations goes through a different code path that I forgot previously.
Implement the rvalue reference overload dance for returning local objects. Returning a local object first tries to find a move constructor now.
The error message when no move constructor is defined (or is not applicable) and the copy constructor is deleted is quite ugly, though.

llvm-svn: 68902
2009-04-12 17:16:29 +00:00
Chris Lattner
a8a7d0f371 implement rdar://6780761, making sema reject some code that otherwise
crashes codegen.

llvm-svn: 68891
2009-04-12 08:11:20 +00:00
Douglas Gregor
bcced4ec31 Propagate the ASTContext to various AST traversal and lookup functions.
No functionality change (really).

llvm-svn: 68726
2009-04-09 21:40:53 +00:00
Sebastian Redl
f69a94aace Hopefully fix the rval regressions. Thanks to Chris for pointing out that valgrind complains.
llvm-svn: 68021
2009-03-29 22:46:24 +00:00
Sebastian Redl
4c0cd856b1 Reintroduce r67870 (rval ref overloading), since I can't reproduce any test failures on i386 or x86_64. If this fails for someone, please contact me.
llvm-svn: 67999
2009-03-29 15:27:50 +00:00
Chris Lattner
a59a3e2d10 QualType can go in SmallPtrSet now, simplify code that used to have
to work around this.

llvm-svn: 67968
2009-03-29 00:04:01 +00:00
Chris Lattner
83f095cc7e Introduce a new OpaquePtr<N> struct type, which is a simple POD wrapper for a
pointer.  Its purpose in life is to be a glorified void*, but which does not
implicitly convert to void* or other OpaquePtr's with a different UID.

Introduce Action::DeclPtrTy which is a typedef for OpaquePtr<0>.  Change the 
entire parser/sema interface to use DeclPtrTy instead of DeclTy*.  This
makes the C++ compiler enforce that these aren't convertible to other opaque
types.

We should also convert ExprTy, StmtTy, TypeTy, AttrTy, BaseTy, etc,
but I don't plan to do that in the short term.

The one outstanding known problem with this patch is that we lose the 
bitmangling optimization where ActionResult<DeclPtrTy> doesn't know how to
bitmangle the success bit into the low bit of DeclPtrTy.  I will rectify
this with a subsequent patch.

llvm-svn: 67952
2009-03-28 19:18:32 +00:00