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2009-06-26simplify some code.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74259 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-26Fix PR4448.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74257 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-24Parse the C++0x decltype specifier.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74086 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-24Fix a clang crash caused by incorrect user code.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74080 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-24Make sure that the template parameter lists get from the parser down to ↵Douglas Gregor
ActOnFunctionDeclarator for function template definitions git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74040 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-23Start propagating template parameter lists to the right places toDouglas Gregor
handle function templates. There's no actual code for function templates yet, but at least we complain about typedef templates. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74021 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-22Implement implicit instantiation of the member functions of a class templateDouglas Gregor
specialization. At present, all implicit instantiations occur at the end of the translation unit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73915 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-22Rework the way we track which declarations are "used" duringDouglas Gregor
compilation, and (hopefully) introduce RAII objects for changing the "potentially evaluated" state at all of the necessary places within Sema and Parser. Other changes: - Set the unevaluated/potentially-evaluated context appropriately during template instantiation. - We now recognize three different states while parsing or instantiating expressions: unevaluated, potentially evaluated, and potentially potentially evaluated (for C++'s typeid). - When we're in a potentially potentially-evaluated context, queue up MarkDeclarationReferenced calls in a stack. For C++ typeid expressions that are potentially evaluated, we will play back these MarkDeclarationReferenced calls when we exit the corresponding potentially potentially-evaluated context. - Non-type template arguments are now parsed as constant expressions, so they are not potentially-evaluated. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73899 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-20Parsing and AST support for using declarations, from John Thompson!Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73812 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-19Keep track of when declarations are "used" according to C andDouglas Gregor
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>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73797 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-17Implement correct name lookup inside an initializer of a C++ class static ↵Argyrios Kyrtzidis
data member. Fixes "test/CXX/basic/basic.lookup/basic.lookup.unqual/p13.cpp" test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73652 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-17Diagnose the use of attributes on namespace aliases, from Anis AhmadDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73626 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-14change ParseStatementOrDeclaration to emit the 'missing ;' withChris Lattner
ExpectAndConsume instead of custom diag logic. This gets us an insertion hint and positions the ; at the end of the line instead of on the next token. Before: t.c:5:1: error: expected ';' after return statement } ^ after: t.c:4:11: error: expected ';' after return statement return 4 ^ ; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73315 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-14improve localizability by not passing english phrases into Chris Lattner
diagnostics in some cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73314 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12Address more comments from Doug.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73267 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12add the location of the ')' in a do/while statement to DoStmt.Chris Lattner
This fixes a source range problem reported by Olaf Krzikalla. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73266 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12Parse support for C++0x type parameter packs.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73247 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12It's an error to use a function declared in a class definition as a default ↵Anders Carlsson
argument before the function has been declared. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73234 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-11PR4364: fix parsing 'typename' in an expression.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73177 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-08Add more parser support for Microsoft extensions.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73101 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-08Add real parsing for __declspec. It doesn't make much of a difference Eli Friedman
at the moment because we ignore the result. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73056 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-05Use of DeclContext for objc's ivars. No functionalityFariborz Jahanian
change. More to follow. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72951 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-05Add parser support for #pragma weak.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72907 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-04Make sure to call FullExpr before parsing anything else.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72834 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-31Disallow exception specs on typedefs.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72664 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-30ActOnReturnStmt should also take a FullExprArg.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72641 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-30AddInitializerToDecl needs to take a full expression.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72640 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-29Reject incomplete types in exception specs.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72580 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-29If a declarator group declares a type, make sure to add that declaration Eli Friedman
to the DeclGroup. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72559 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-28When we parse a tag specifier, keep track of whether that tagDouglas Gregor
specifier resulted in the creation of a new TagDecl node, which happens either when the tag specifier was a definition or when the tag specifier was the first declaration of that tag type. This information has several uses, the first of which is implemented in this commit: 1) In C++, one is not allowed to define tag types within a type specifier (e.g., static_cast<struct S { int x; } *>(0) is ill-formed) or within the result or parameter types of a function. We now diagnose this. 2) We can extend DeclGroups to contain information about any tags that are declared/defined within the declaration specifiers of a variable, e.g., struct Point { int x, y, z; } p; This will help improve AST printing and template instantiation, among other things. 3) For C99, we can keep track of whether a tag type is defined within the type of a parameter, to properly cope with cases like, e.g., int bar(struct T2 { int x; } y) { struct T2 z; } We can also do similar things wherever there is a type specifier, e.g., to keep track of where the definition of S occurs in this legal C99 code: (struct S { int x, y; } *)0 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72555 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-27Reimplement much of the way that we track nested classes in theDouglas Gregor
parser. Rather than placing all of the delayed member function declarations and inline definitions into a single bucket corresponding to the top-level class, we instead mirror the nesting structure of the nested classes and place the delayed member functions into their appropriate place. Then, when we actually parse the delayed member function declarations, set up the scope stack the same way as it was when we originally saw the declaration, so that we can find, e.g., template parameters that are in scope. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72502 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-27Improve name lookup for and template instantiation of declarationDouglas Gregor
references. There are several smallish fixes here: - Make sure we look through template parameter scope when determining whether we're parsing a nested class (or nested class *template*). This makes sure that we delay parsing the bodies of inline member functions until after we're out of the outermost class (template) scope. - Since the bodies of member functions are always parsed "out-of-line", even when they were declared in-line, teach unqualified name lookup to look into the (semantic) parents. - Use the new InstantiateDeclRef to handle the instantiation of a reference to a declaration (in DeclRefExpr), which drastically simplifies template instantiation for DeclRefExprs. - When we're instantiating a ParmVarDecl, it must be in the current instantiation scope, so only look there. Also, remove the #if 0's and FIXME's from the dynarray example, which now compiles and executes thanks to Anders and Eli. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72481 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-25PR4122: Tweak the ambiguity handling to handle (S())() correctly. I've Eli Friedman
left out handling for stuff like (S())++ for the moment. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72394 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-22The disambiguation process for ambiguous paren expressions is not "side ↵Argyrios Kyrtzidis
effects free", e.g: (T(*)(int[x+y])); is an (invalid) paren expression, but "x+y" will be parsed as part of the (rejected) type-id, so unnecessary Action calls are made for an unused (and possibly leaked) "x+y". Use a different scheme, similar to parsing inline methods. The parenthesized tokens are cached, the context that follows is determined (possibly by parsing a cast-expression), and then we re-introduce the cached tokens into the token stream and parse them appropriately. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72279 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-22Some minor comments modifications.Argyrios Kyrtzidis
There are no unnecessary action calls period (courtesy of the annotation scheme) and too many 'this means'.. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72263 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-22Handle correctly a very ugly part of the C++ syntax. We cannot disambiguate ↵Argyrios Kyrtzidis
between a parenthesized type-id and a paren expression without considering the context past the parentheses. Behold: (T())x; - type-id (T())*x; - type-id (T())/x; - expression (T()); - expression git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72260 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-22Factor the compound literal parsing out from ParseParenExpression and into a ↵Argyrios Kyrtzidis
new ParseCompoundLiteralExpression. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72259 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-22Modification to ParseParenExpression.Argyrios Kyrtzidis
Now it parses the cast expression unless 'stopIfCastExpr' is true. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72258 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-22Remove ParseSimpleParenExpression.Argyrios Kyrtzidis
Embed its functionality into it's only user, ParseCXXCasts. CXXCasts now get the "actual" expression directly, they no longer always receive a ParenExpr. This is better since the parentheses are always part of the C++ casts syntax. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72257 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-22Refactor the common code of 'ParseTypeofSpecifier' and ↵Argyrios Kyrtzidis
'ParseSizeofAlignofExpression' into a new 'ParseExprAfterTypeofSizeofAlignof' method. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72256 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-22Parse typeof-specifier the same way as sizeof/alignof are parsed.Argyrios Kyrtzidis
-Makes typeof consistent with sizeof/alignof -Fixes a bug when '>' is in a typeof expression, inside a template type param: A<typeof(x>1)> a; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72255 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-21Merge the ASTVector and ASTOwningVector templates, since they offeredDouglas Gregor
redundant functionality. The result (ASTOwningVector) lives in clang/Parse/Ownership.h and is used by both the parser and semantic analysis. No intended functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72214 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-21Use v.data() instead of &v[0] when SmallVector v might be empty.Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72210 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-20implementation of format_arg for ObjC methods/functions.Fariborz Jahanian
Still more to do. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72173 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-17Make ActOnWhileStmt take a FullExprArg for the condition expr.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71990 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-17Make ActOnExprStmt take a FullExprArg.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71989 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-17Add the FullExprArg wrapper and use it for if statement conditions.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71982 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-16Make the RAII extension warning silencing for __extension__ a bit Eli Friedman
narrower, so it doesn't catch expresions that aren't sub-expressions of __extension__ operator. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71967 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-16Implement a FIXME, we now pass in the locations of the braces for enums.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71930 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-16Fixup __extension__ i = 1 parsing. Thanks Eli!Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71927 91177308-0d34-0410-b5e6-96231b3b80d8