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2012-04-04Remove dead assignment to local variable.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153985 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-03Remove more redundant lookups. Add a new "all_lookups_iterator" which providesNick Lewycky
a view over the contents of a DeclContext without exposing the implementation details of the StoredDeclsMap. Use this in LookupVisibleDecls to find the visible declarations. Fixes PR12339! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153970 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-03Don't treat synthesized ivars as being in the base class for the purpose ofNick Lewycky
looking up visible decls. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153967 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-03Replace the workaround from r153445 with a proper fix.Kaelyn Uhrain
Infinite recursion was happening when DiagnoseInvalidRedeclaration called ActOnFunctionDeclarator to check if a typo correction works when the correction was just to the nested-name-specifier because the wrong DeclContext was being passed in. Unlike a number of functions surrounding typo correction, the DeclContext passed in for a function is the context of the function name after applying any nested name specifiers, not the lexical DeclContext where the function+nested-name-specifier appears. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153962 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02PR10217 diagnostic fix: don't say 'copy constructor' when we meanRichard Smith
'copy assignment operator'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153897 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02Finish PR10217: Ensure we say that a special member was implicitly, notRichard Smith
explicitly, deleted in all relevant cases, and explain why. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153894 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02Silence -Wunused-variable in -Asserts buildMatt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153885 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02Implement DR1402: if a field or base class is not movable, the derived class'sRichard Smith
move constructor/move assignment operator are not declared, rather than being defined as deleted, so move operations on the derived class fall back to copying rather than moving. If a move operation on the derived class is explicitly defaulted, the unmovable subobject will be copied instead of being moved. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153883 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02Basic semantic analysis support for inheriting constructor declarations inRichard Smith
dependent contexts. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153858 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-01Properly handle explicit constructors in list-initialization. Fixes PR12120.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153849 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-30PR10217: Provide diagnostics explaining why an implicitly-deleted specialRichard Smith
member function is deleted. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153773 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-30If we encounter a friend class template for which we cannot resolveDouglas Gregor
the nested-name-specifier (e.g., because it is dependent), do not error even though we can't represent it in the AST at this point. This is a horrible, horrible hack. The actual feature we still need to implement (for C++98!) is covered by PR12292. However, we used to silently accept this code, so when we recently started rejecting it we caused some regressions (e.g., <rdar://problem/11147355>). This hack brings us back to the passable-but-not-good state we had previously. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153752 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-30Handle placeholder expressions in an ObjC for-collection loop.John McCall
The way we handle this implicitly removes the ability to use property l-values in this position, but that's really okay. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153729 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-30Forbid the block and lambda copy-capture of __autoreleasing variablesJohn McCall
in ARC, under the usual reasoning limiting the use of __autoreleasing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153725 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-30Make sure we perform the relevant implied conversions correctly for ObjC ↵Eli Friedman
methods with related result types. PR12384. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153716 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-30Add info to ObjCPropertyRefExpr to indicate whether the dot syntax propertyArgyrios Kyrtzidis
reference is going to message the setter, the getter, or both. Having this info on the ObjCPropertyRefExpr node makes it easier for AST clients (like libclang) to reason about the meaning of the property reference. [AST/Sema] -Use 2 bits (with a PointerIntPair) in ObjCPropertyRefExpr to record the above info -Have ObjCPropertyOpBuilder set the info appropriately. [libclang] -When there is an implicit property reference (property syntax using methods) have clang_getCursorReferenced return a cursor for the method. If the property reference is going to result in messaging both the getter and the setter choose to return a cursor for the setter because it is less obvious from source inspection that the setter is getting called. The general idea has the seal of approval by John. rdar://11151621 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153709 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-29Extend -Wc++11-narrowing to cover converted constant expressions as well as ↵Eli Friedman
braced-initializers. <rdar://problem/11121178>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153703 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-29Refactor special member function deletion. No functionality change.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153673 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-29Pass parameters in the correct order when assembling an AtomicExpr.David Chisnall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153665 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-28objective-c: Improve diagnostics andFariborz Jahanian
provide 'fixit' hint when dictionary index is not of proper type. // rdar://11062080 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153584 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-28Unify and fix our checking of C++ [dcl.meaning]p1's requirementsDouglas Gregor
concerning qualified declarator-ids. We now diagnose extraneous qualification at namespace scope (which we had previously missed) and diagnose these qualification errors for all kinds of declarations; it was rather uneven before. Fixes <rdar://problem/11135644>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153577 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-28When we form a new function/class template specialization, we firstDouglas Gregor
search for the specialization (in a folding set) and, if not found form a *Decl that is then inserted into that folding set. In rare cases, the folding set may be reallocated between the search and the insertion, causing a crash. No test case, because triggering rehashing consistently in a small test case is not feasible. Fixes <rdar://problem/11115071>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153575 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-27Introduce a new libclang API to determine the parent context of a codeDouglas Gregor
completion item. For example, if the code completion itself represents a declaration in a namespace (say, std::vector), then this API retrieves the cursor kind and name of the namespace (std). Implements <rdar://problem/11121951>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153545 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-27Even more careful consideration of C++11 13.3.3.1p4. Fixes PR12241.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153523 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-26Add a special-case diagnostic for one of the more obnoxious special cases ofRichard Smith
unscoped enumeration members: an enumerator name which is visible in the out-of-class definition of a member of a templated class might not actually exist in the instantiation of that class, if the enumeration is also lexically defined outside the class definition and is explicitly specialized. Depending on the result of a CWG discussion, we may have a different resolution for a class of problems in this area, but this fixes the immediate issue of a crash-on-invalid / accepts-invalid (depending on +Asserts). Thanks to Johannes Schaub for digging into the standard wording to find how this case is currently specified to behave. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153461 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-26Move CodeCompletionBuilder's chunk adding methods out of line.Benjamin Kramer
This makes sense because chunk's ctor is also out of line and simplifies considerably when inlined with a constant parameter. Shrinks clang on i386-linux-Release+Asserts by 65k. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153446 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-26When diagnosing an invalid out-of-line redeclaration, don't permitDouglas Gregor
typo correction to introduce a nested-name-specifier; we aren't prepared to handle it here. Fixes PR12297 / <rdar://problem/11075219>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153445 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-26ThreadSafetyReporter: Manage diagnostics in a std::list.Benjamin Kramer
std::list is expensive, but so is std::sorting a SmallVector of SmallVectors of heavyweight PartialDiagnostics. Saves ~30k in a i386-linux-Release+Asserts clang build. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153437 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-26Handle instantiations of redeclarations of forward-declared enumerations withinRichard Smith
templated functions. Build a redeclaration chain, and only instantiate the definition of the enum when visiting the defining declaration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153427 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-26Delay checking of dependent underlying types for redeclarations of memberRichard Smith
enumerations in templates until the template is instantiated. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153426 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-23Teach APValue printer to print boolean 0 and 1 as 'false' and 'true'. Fix upRichard Smith
some calling code to actually pass in a non-null type, to avoid a crash. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153358 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-23Make sure we don't accept an @interface inside another objc containerArgyrios Kyrtzidis
just because there was an attribute in front of it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153355 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-23When defining a forward-declared enum, don't try to attach the definition toRichard Smith
a previous declaration if the redeclaration is invalid. That way lies madness. Fixes a crash-on-invalid reported by Abramo. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153349 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-23Support for definitions of member enumerations of class templates outside theRichard Smith
class template's definition, and for explicit specializations of such enum members. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153304 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-22During the instantiation of a class template specialization, thatRichard Smith
specialization is known to be incomplete. If we're asked to try to complete it, don't attempt to instantiate it again -- that can lead to stack overflow, and to rejects-valids if the class being incomplete is not an error. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153236 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-21For enums with no tag name, display its location in Fariborz Jahanian
the diagnostic instead of displaying ''. // rdar://11082110 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153219 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-21fixes the diagnostic issued in // rdar://11069896Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153217 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-21Allow void blocks to return witn a void expression in Fariborz Jahanian
c-mode to match behavior with void functions in c. Issue warning with -pedantic. // rdar://11069896 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153200 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-21Undo previous patch as I checked more than I intended.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153193 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-21modern objective-c rewriter: remove 'const' fromFariborz Jahanian
pointer field declarations in several meta-data. // rdar://11079898 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153192 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-20More careful consideration of C++11 13.3.3.1p4. Fixes PR12257.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153130 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-18Use character literals for vexing initialization fixit hints.David Blaikie
Instead of suggesting " = 0" for "char c();", suggest " = '\0'", and similarly for other char types (wide, 16, and 32). Add tests for all these, and since this means testing such hints under C++0x, add tests for some untested C++0x hint cases in the existing code, including suggesting nullptr for pointer initialization. This sets up the initialization helper to provide better type fidelity that will be especially helpful for non-assignment cases (such as fixit-correcting NULL usage in function calls (eg: foo(char) + foo(NULL) => foo('\0') instead of the less informative foo(0))) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153008 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-18Replace a FIXME with a diagnostic when we can't resolve theDouglas Gregor
nested-name-specifier for a class template declaration. Fixes PR12291. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153006 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-17Diagnose tag and class template declarations with qualifiedDouglas Gregor
declarator-ids that occur at class scope. Fixes PR8019. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153002 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-17When determining the availability of an enum constant, also considerDouglas Gregor
the availability of the enumeration type itself. Fixes <rdar://problem/10996386>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152977 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-17Fix crash on invalid code. I've tried to produce a reduced test case, but ↵Ted Kremenek
when I do the specific crash is hidden. Fixes <rdar://problem/11063594>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152968 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-16Suppress macro expansion of NULL in NULL warnings.David Blaikie
For "int i = NULL;" we would produce: null.cpp:5:11: warning: implicit conversion of NULL constant to integer [-Wconversion] int i = NULL; ~ ^~~~ null.cpp:1:14: note: expanded from macro 'NULL' \#define NULL __null ^~~~~~ But we really shouldn't trace that macro expansion back into the header, yet we still want macro back traces for code like this: \#define FOO NULL int i = FOO; or \#define FOO int i = NULL; FOO While providing appropriate tagging at different levels of the expansion, etc. The included test case exercises these cases & does some basic validation (to ensure we don't have macro expansion notes where we shouldn't, and do where we should) - but doesn't go as far as to validate the source location/ranges used in those notes and warnings. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152940 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-16Skip through transparent contexts when deciding where to add a friend function.Nick Lewycky
This fixes g++.dg/parse/friend5.C. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152938 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-16Warn on flexible array members when in C89 mode, with -pedantic.David Chisnall
This fixes PR 4307. Patch by Eitan Adler! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152918 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-15Support deducing template arguments from nested initializer lists. PR12119.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152848 91177308-0d34-0410-b5e6-96231b3b80d8
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