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path: root/lib/Sema/SemaOverload.cpp
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2010-09-12When performing overload resolution, only compare the final conversionDouglas Gregor
sequences for two conversion functions when in fact we are in the text of initialization by a user-defined conversion sequences. Fixes PR8034. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113724 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-12Implement the "note" in C++ [over.built]p1, which is actually meant toDouglas Gregor
be a semantic requirement that a built-in overloaded operator is not added to the overload set of there is already a user-defined overloaded operator with the same parameter types. Fixes PR8087. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113713 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-12Don't perform integral promotions from an incompletion enumerationDouglas Gregor
type. Fixes PR8089 in a slightly different way than had been suggested. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113711 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-09Eliminate the comma locations from all of the Sema routines that dealDouglas Gregor
with comma-separated lists. We never actually used the comma locations, nor did we store them in the AST, but we did manage to waste time during template instantiation to produce fake locations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113495 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-28Fix the memory leak of FloatingLiteral/IntegerLiteral.Argyrios Kyrtzidis
For large floats/integers, APFloat/APInt will allocate memory from the heap to represent these numbers. Unfortunately, when we use a BumpPtrAllocator to allocate IntegerLiteral/FloatingLiteral nodes the memory associated with the APFloat/APInt values will never get freed. I introduce the class 'APNumericStorage' which uses ASTContext's allocator for memory allocation and is used internally by FloatingLiteral/IntegerLiteral. Fixes rdar://7637185 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112361 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-27Propagate whether an id-expression is the immediate argument ofJohn McCall
an '&' expression from the second caller of ActOnIdExpression. Teach template argument deduction that an overloaded id-expression doesn't give a valid type for deduction purposes to a non-static member function unless the expression has the correct syntactic form. Teach ActOnIdExpression that it shouldn't try to create implicit member expressions for '&function', because this isn't a permitted form of use for member functions. Teach CheckAddressOfOperand to diagnose these more carefully. Some of these cases aren't reachable right now because earlier diagnostics interrupt them. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112258 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-26One who seeks knowledge learns something new every day.John McCall
One who seeks the Tao unlearns something new every day. Less and less remains until you arrive at non-action. When you arrive at non-action, nothing will be left undone. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112244 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-25Split out a header to hold APIs meant for the Sema implementation from Sema.h.John McCall
Clients of Sema don't need to know (for example) the list of diagnostics we support. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112093 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-25GCC didn't care for my attempt at API compatibility, so brute-force everythingJohn McCall
to the new constants. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112047 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-25More incremental progress towards not including Expr.h in Sema.h.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112044 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-25Move more stuff out of Sema.h.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112026 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-24Catch the case of trying to turn '&(X::a)' into a member pointer as well.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111997 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-24When trying to resolve the address of an overloaded expression,John McCall
only form pointers-to-member if the expression has the appropriate form. This avoids assertions later on on invalid code, but also allows us to properly resolve mixed-staticity overloads. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111987 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-24Move some of SemaOverload's API to various places in Overload.h, and killJohn McCall
some of it off completely. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111957 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-24Struggle mightily against header inclusion in Sema.h.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111904 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-24OwningExprResult -> ExprResult. This patch brought to you byJohn McCall
M-x query-replace-regexp \(Sema::\|Action::\|Parser::\|\)Owning\(Expr\|Stmt\)Result -> \2Result git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111903 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-24Fold ASTOwningResult back into ActionResult.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111902 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-23Kill off ExprArg (now just Expr*) and StmtArg (now just Stmt*).John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111863 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-23In Sema::AddBuiltinOperatorCandidates, candidate pointer types set can also ↵Argyrios Kyrtzidis
contain a ObjCObjectPointerType since r111699. Don't assume that they are only PointerTypes or we will crash. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111798 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-23Sundry incremental steps towards killing off Action.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111795 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-21twik to my previous patch for pr7936.Fariborz Jahanian
Build qualified version of ObjC pointers (not pointers) when doing overload resolution. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111740 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-21patch to support comparison involvingFariborz Jahanian
objctive-c pointer conversions. Fixes pr7936. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111699 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-20Remove dead code.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111693 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-20Rmove dead code.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111680 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-19We don't actually need to check the implicit object argument'sDouglas Gregor
conversion a second time for a conversion candidate (with the real acting context), because the only problems we would find are access or ambiguity issues that won't be diagnosed until we pick this candidate. Add a test case to prove it to myself. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111526 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-19Properly implement the part of C++ [over.match.funcs]p4 that treatsDouglas Gregor
conversion functions as if their acting context were the class that we're converting from (the implicit object argument's type). Retroactively tweaking the implicit conversion sequence, as we were trying to do before, breaks the invariants of that implicit conversion sequence (e.g., the types and conversions don't match up). Fixes <rdar://problem/8018274>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111520 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-19Include a proper citation for the wacky hijinks involving conversion ↵Douglas Gregor
functions and the implicit object parameter type. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111519 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18There is no pointer conversion between to similar types (i.e., sameDouglas Gregor
type ignoring cv-qualifiers). These are qualification conversions. Fixes PR7934. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111428 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-12Move Sema's headers into include/clang/Sema, renaming a few along the way.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110945 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-12Handle the obvious case for diagnosing redeclarations of extern "C" functions.John McCall
Fixes PR7859. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110906 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-11Added locations and type source info for DeclarationName.Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110860 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-11Improve our handling of user-defined conversions when computingDouglas Gregor
implicit conversion sequences. In particular, model the "standard conversion" from a class to its own type (or a base type) directly as a standard conversion in the normal path *without* trying to determine if there is a valid copy constructor. This appears to match the intent of C++ [over.best.ics]p6 and more closely matches GCC and EDG. As part of this, model non-lvalue reference initialization via user-defined conversion in overloading the same way we handle it in InitializationSequence, separating the "general user-defined conversion" and "conversion to compatible class type" cases. The churn in the overload-call-copycon.cpp test case is because the test case was originally wrong; it assumed that we should do more checking for copy constructors that we actually should, which affected overload resolution. Fixes PR7055. Bootstrapped okay. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110773 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-08Silence GCC warning about && and || without explicit grouping.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110537 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-07Allow reference binding of a reference of Objective-C object type toDouglas Gregor
an lvalue of another, compatible Objective-C object type (e.g., a subclass). Introduce a new initialization sequence step kind to describe this binding, along with a new cast kind. Fixes PR7741. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110513 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-07Store inheritance paths after CastExprs instead of inside them.John McCall
This takes some trickery since CastExpr has subclasses (and indeed, is abstract). Also, smoosh the CastKind into the bitfield from Expr. Drops two words of storage from Expr in the common case of expressions which don't need inheritance paths. Avoids a separate allocation and another word of overhead in cases needing inheritance paths. Also has the advantage of not leaking memory, since destructors for AST nodes are never run. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110507 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-06Introduce implicit conversions between AltiVec vectors and GCCDouglas Gregor
vectors, from Anton Yartsev! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110437 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05TDK_InconsistentQuals is really totally different from TDK_Inconsistent.John McCall
Rename it to TDK_Underqualified to avoid this sort of confusion and give it its own diagnostic. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110318 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Get rid of isObjectType; when C++ says "object type", it generallyEli Friedman
just means "not a function type", not "not a function type or void". This changes behavior slightly, but generally in a way which accepts more code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110303 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-25Remove the vast majority of the Destroy methods from the AST library,Douglas Gregor
since we aren't going to be calling them ever. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109377 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-20Update ImplicitCastExpr to be able to represent an XValue.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108807 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-14When determining whether an overload set with explicit templateDouglas Gregor
arguments only resolves to a single specialization, make sure to look through using declarations. Fixes PR7641. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108376 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-13Whenever we're creating an expression that is typically an rvalueDouglas Gregor
(e.g., a call, cast, etc.), immediately adjust the expression's type to strip cv-qualifiers off of all non-class types (in C++) or all types (in C). This effectively extends my previous fix for PR7463, which was restricted to calls, to other kinds of expressions within similar characteristics. I've audited every use of getNonReferenceType() in the code base, switching to the newly-renamed getNonLValueExprType() where necessary. Big thanks to Eli for pointing out just how incomplete my original fix for PR7463 actually was. We've been handling cv-qualifiers on rvalues wrong for a very, very long time. Fixes PR7463. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108253 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-13When forming a function call or message send expression, be sure toDouglas Gregor
strip cv-qualifiers from the expression's type when the language calls for it: in C, that's all the time, while C++ only does it for non-class types. Centralized the computation of the call expression type in QualType::getCallResultType() and some helper functions in other nodes (FunctionDecl, ObjCMethodDecl, FunctionType), and updated all relevant callers of getResultType() to getCallResultType(). Fixes PR7598 and PR7463, along with a bunch of getResultType() call sites that weren't stripping references off the result type (nothing stripped cv-qualifiers properly before this change). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108234 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-02Introduce a new routine, LookupConstructors(), and use it for allDouglas Gregor
constructor-name lookup. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107536 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-01Extend the "cannot convert from base class pointer to derived classDouglas Gregor
pointer" diagnostic to handle references, too. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107372 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-30Improve diagnostic when we fail to pick an overload because it wouldDouglas Gregor
require a base-to-derived pointer conversion. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107349 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-30Add a return to silence a warning. Alternately a default: return falseEric Christopher
would work. Sebastian: figure out which one you want :) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107305 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-30Make both old and new versions of reference binding use the new ↵Sebastian Redl
classification functions, and updated them for N3092. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107301 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-30Implement C++ DR299, which allows an implicit conversion from a classDouglas Gregor
type to an integral or enumeration type in the size of an array new expression, e.g., new int[ConvertibleToInt(10)]; This is a GNU and C++0x extension. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107229 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-29Re-improve recovery when the condition of a switch statement does notDouglas Gregor
have integral or enumeration type, so that we still check the contents of the switch body. My previous patch made this worse; now we're back to where we were previously. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107223 91177308-0d34-0410-b5e6-96231b3b80d8
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