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path: root/lib/Sema/SemaDecl.cpp
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2012-07-24Tweak warning text for returning incomplete type from extern "C" functions.Hans Wennborg
A warning was added in r150128 for returning non-C compatible user-defined types from functions with C linkage. This makes the text more clear for the case when the type isn't decidedly non-C compatible, but incomplete. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160681 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-23When we have an Objective-C object with non-trivial lifetime in aDouglas Gregor
structor class under ARC, that struct/class does not have a trivial move constructor or move assignment operator. Fixes the rest of <rdar://problem/11738725>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160615 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Reset the layout of an ObjC class if we see an ivar in a categoryEric Christopher
or implementation since we've now got a different layout. Fixes rdar://11842763 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160526 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Removing a spurious comment, no functionality changes.Aaron Ballman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160522 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Relaxed enumeration constant naming rules for scoped enumerators so they no ↵Aaron Ballman
longer emit a diagnostic when the enumeration's name matches that of the class. Fixes PR13128. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160490 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-17Merge visibility from previous decls before looking at visibility pragma. ThisRafael Espindola
is a bit fuzzy, but matches gcc behavior and existing code bases seem to depend on it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160364 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-17Record visibility pragmas when we see a tag declaration. We might use itRafael Espindola
to build a type before seeing the definition. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160339 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-15Without this patch clang warns onRafael Espindola
struct __attribute__((visibility("hidden"))) zed { }; struct __attribute__((visibility("hidden"))) zed; Which is a bit silly and got a lot noisier now that we correctly handle visibility pragmas. This patch fixes that and also has some extra quality improvements: * We now produce an error instead of a warning for struct __attribute__((visibility("hidden"))) zed { }; struct __attribute__((visibility("default"))) zed; * The "after definition" warning now points to the new attribute that is ignored instead of pointing to the declaration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160227 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-15Make const the argument of getDefinition.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160226 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-15Use llvm::APSInt::isSameValue to compare for the same value.Eric Christopher
Finishes rdar://11875995 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160225 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-13Provide a special-case diagnostic when two class member functions instantiateRichard Smith
to the same signature. Fix a bug in the type printer which would cause this diagnostic to print wonderful types like 'const const int *'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160161 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-13Attaching comments to declarations during parsing: handle more Objective-C ↵Dmitri Gribenko
declarations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160156 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-12Process #pragma visibility early in the parsing of class definitions. FixesRafael Espindola
pr13338. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160105 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-11Enable comment parsing and semantic analysis to emit diagnostics. A fewDmitri Gribenko
diagnostics implemented -- see testcases. I created a new TableGen file for comment diagnostics, DiagnosticCommentKinds.td, because comment diagnostics don't logically fit into AST diagnostics file. But I don't feel strongly about it. This also implements support for self-closing HTML tags in comment lexer and parser (for example, <br />). In order to issue precise diagnostics CommentSema needs to know the declaration the comment is attached to. There is no easy way to find a decl by comment, so we match comments and decls in lockstep: after parsing one declgroup we check if we have any new, not yet attached comments. If we do -- then we do the usual comment-finding process. It is interesting that this automatically handles trailing comments. We pick up not only comments that precede the declaration, but also comments that *follow* the declaration -- thanks to the lookahead in the lexer: after parsing the declgroup we've consumed the semicolon and looked ahead through comments. Added -Wdocumentation-html flag for semantic HTML errors to allow the user to disable only HTML warnings (but not HTML parse errors, which we emit as warnings in -Wdocumentation). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160078 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-11Handle #pragma visibility in explicit specializations and enums.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160057 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-11Don't process #pragma visibility during instantiation. The visibility of theRafael Espindola
instantiation depends on the template, its arguments and parameters, but not where it is instantiated. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160034 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-08PR13293: Defer deduction of an auto type with a dependent declarator, such ↵Richard Smith
as "auto (*f)(T t)". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159908 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-02In blocks, only pretend that enum constants have enum type if necessary.Jordan Rose
In C, enum constants have the type of the enum's underlying integer type, rather than the type of the enum. (This is not true in C++.) Thus, when a block's return type is inferred from an enum constant, it is incompatible with expressions that return the enum type. In r158899, I told block returns to pretend that enum constants have enum type, like in C++. Doug Gregor pointed out that this can break existing code. Now, we don't check the types of return statements until the end of the block. This lets us go back and add implicit casts in blocks with mixed enum constants and enum-typed expressions. <rdar://problem/11662489> (again) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159591 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-29In Sema::ClassifyName, try to avoid nonsensical corrections toKaelyn Uhrain
keywords when doing type correction. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159464 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-29Add a fix-it hint note to -Wunique-enum to suggest that the last element getsRichard Trieu
initialized with the next to last element to silence the warning. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159458 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-25Make explicit specializations at class scope workNico Weber
for non-type template parameters in microsoft mode. PR12709. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159147 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-22Perform typo correction for base class specifiers.Kaelyn Uhrain
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159046 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-22Documentation cleanup: making \param docs match the code.James Dennett
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158982 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-22Documentation cleanup:James Dennett
* Primarily fixed \param commands with names not matching any actual parameters of the documented functions. In many cases this consists just of fixing up the parameter name in the \param to match the code, in some it means deleting obsolete documentation and occasionally it means documenting the parameter that has replaced the older one that was documented, which sometimes means some simple reverse-engineering of the docs from the implementation; * Fixed \param ParamName [out] to the correct format with [out] before the parameter name; * Fixed some \brief summaries. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158980 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20Restructure how the driver communicates information about theJohn McCall
target Objective-C runtime down to the frontend: break this down into a single target runtime kind and version, and compute all the relevant information from that. This makes it relatively painless to add support for new runtimes to the compiler. Make the new -cc1 flag, -fobjc-runtime=blah-x.y.z, available at the driver level as a better and more general alternative to -fgnu-runtime and -fnext-runtime. This new concept of an Objective-C runtime also encompasses what we were previously separating out as the "Objective-C ABI", so fragile vs. non-fragile runtimes are now really modelled as different kinds of runtime, paving the way for better overall differentiation. As a sort of special case, continue to accept the -cc1 flag -fobjc-runtime-has-weak, as a sop to PLCompatibilityWeak. I won't go so far as to say "no functionality change", even ignoring the new driver flag, but subtle changes in driver semantics are almost certainly not intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158793 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-19Extend the support for cl-std to include 1.2.Tanya Lattner
Add error checking for the static qualifier which is now allowed in certain situations for OpenCL 1.2. Use the CL version to turn on this feature. Added test case for 1.2 static storage class feature. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158759 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-17Don't warn about address-to-member used as part of initialisation, ifJoerg Sonnenberger
the member expression is in parentheses. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158651 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-16Explicitly build __builtin_va_list.Meador Inge
The target specific __builtin_va_list types are now explicitly built instead of injecting strings into the preprocessor input. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158592 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-16[AST/libclang] Fix the selector locations that are reported for aArgyrios Kyrtzidis
method definition that has its '{' attached to the method name without a space. With a method like: -(id)meth{ ..... } the logic in ObjCMethodDecl that determined the selector locations got confused because it was initialized based on an end location for '{' but that end location changed to '}' after the method was finished. Fix this by having an immutable end location for the declarator and for getLocEnd() get the end location from the body itself. Fixes rdar://11659739. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158583 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-15Recover when correcting an unknown type name to a keyword like "struct".Kaelyn Uhrain
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158573 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-15Move isCXXSimpleTypeSpecifier from Parser to Sema and tweak it for wider use.Kaelyn Uhrain
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158572 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-12If parsing a trailing-return-type fails, don't pretend we didn't have one atRichard Smith
all. Suppresses follow-on errors mentioned in PR13074. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158348 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-10PR13064: Store whether an in-class initializer uses direct or copyRichard Smith
initialization, and use that information to produce the right kind of initialization during template instantiation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158288 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-08Warn in ObjC++ when an 'auto' variable deduces type 'id'.Jordan Rose
This could happen for cases like this: - (NSArray *)getAllNames:(NSArray *)images { NSMutableArray *results = [NSMutableArray array]; for (auto img in images) { [results addObject:img.name]; } return results; } Here the property access will fail because 'img' has type 'id', rather than, say, NSImage. This warning will not fire in templated code, since the 'id' could have come from a template parameter. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158239 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-08Allow friend declarations of defaulted special member functions. OnlyRichard Smith
definitions of such members are prohibited, not mere declarations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158186 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-07Teach the FixIt in DiagnoseInvalidRedeclaration how to replace the writtenKaelyn Uhrain
nested name specifiers in addition to the function's identifier when the correction has a different nested name specifier. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158178 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-07Ignore corrections to functions with bodies when deciding whichKaelyn Uhrain
correction to use for an invalid function redeclaration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158177 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-06Revert Decl's iterators back to pointer value_type rather than reference ↵David Blaikie
value_type In addition, I've made the pointer and reference typedef 'void' rather than T* just so they can't get misused. I would've omitted them entirely but std::distance likes them to be there even if it doesn't use them. This rolls back r155808 and r155869. Review by Doug Gregor incorporating feedback from Chandler Carruth. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158104 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05objective-c: merge deprecated/unavailable attributes toFariborz Jahanian
the overriding deprecated/unavailable method. // rdar://11475360 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158022 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-30Disable -Wunique-enum for anonymous enums.David Blaikie
This is a large class of false positives where anonymous enums are used to declare constants (see Clang's Diagnostics.h for example). A small number of true positives could probably be found in this bucket by still warning if the anonymous enum is used in a declarator (enum { ... } x;) but so far we don't believe this to be a source of significant benefit so I haven't bothered to preserve those cases. General offline review/acknowledgment by rtrieu. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157713 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-30Add new -Wunique-enum which will warn on enums which all elements have theRichard Trieu
same value and were initialized with literals. Clang will warn on code like this: enum A { FIRST = 1, SECOND = 1 }; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157666 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-26Fix indentation.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157510 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-18Centralize the handling of the "attribute declaration must precede definition"Rafael Espindola
warning. This also makes us warn on tags, which, ironically, is the only case gcc warns on. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157039 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-17A selector match between two Objective-C methods does *not* guaranteeDouglas Gregor
that the methods have the same number of parameters, although we certainly assumed this in many places. Objective-C can be insane sometimes. Fixes <rdar://problem/11460990>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157025 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-15Remove word 'block' from option and diagnostic I addedFariborz Jahanian
in r156825. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156831 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-15objective-c nonfragile abi: discourage ivar declarationsFariborz Jahanian
in @interface by issuing warning (off by default) under opt'ed in flag -Winterface-block-ivar. // rdar://10763173 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156825 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-14objc: allow typedef'ing an id to a pointer to a c-struct only.Fariborz Jahanian
// rdar://11356439 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156788 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-13Refactor all theRafael Espindola
if (Inherited) Attr->setInherited(true); To a central location. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156728 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-13Produce a warning for mismatched section attributes. Completest pr9356.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156727 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-11Fix a recent regression with the merging of format attributes.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156597 91177308-0d34-0410-b5e6-96231b3b80d8
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