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2009-01-04simplify control flow by removing a goto.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61641 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-04eliminate lookahead when parsing ::new / ::delete.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61638 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-04minor simplifications.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61637 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-30Parser support for C++ using directives, from Piotr RakDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61486 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-28Convert a two more statement actions to smart pointers.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61456 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-28Diagnose declarations that don't declare anything, and fix PR3020.Sebastian Redl
Examples: int; typedef int; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61454 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-26Add support for out-of-line definitions of conversion functions and member ↵Douglas Gregor
operators git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61442 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-25Add parser support for __forceinline, __w64, __ptr64.Steve Naroff
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61431 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-25Add parser support for __cdecl, __stdcall, and __fastcall.Steve Naroff
Change preprocessor implementation of _cdecl to reference __cdecl. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61430 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-24Add explicit "fuzzy" parse support for Microsoft declspec.Steve Naroff
Remove previous __declspec macro that would effectively erase the construct prior to parsing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61422 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-24Keep track of template arguments when we parse them. Right now, we don't ↵Douglas Gregor
actually do anything with the template arguments, but they'll be used to create template declarations git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61413 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-24Correct the order in which we cope with end-of-class-definitionDouglas Gregor
semantics and improve our handling of default arguments. Specifically, we follow this order: - As soon as the see the '}' in the class definition, the class is complete and we add any implicit declarations (default constructor, copy constructor, etc.) to the class. - If there are any default function arguments, parse them - If there were any inline member function definitions, parse them As part of this change, we now keep track of the the fact that we've seen unparsed default function arguments within the AST. See the new ParmVarDecl::hasUnparsedDefaultArg member. This allows us to properly cope with calls inside default function arguments to other functions where we're making use of the default arguments. Made some C++ error messages regarding failed initializations more specific. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61406 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-23Don't explicitly represent OverloadedFunctionDecls withinDouglas Gregor
DeclContext. Instead, just keep the list of currently-active declarations and only build the OverloadedFunctionDecl when we absolutely need it. This is a half-step toward eliminating the need to explicitly build OverloadedFunctionDecls that store sets of overloaded functions. This was suggested by Argiris a while back, and it's a good thing for several reasons: first, it eliminates the messy logic that currently tries to keep the OverloadedFunctionDecl in sync with the declarations that are being added. Second, it will (eventually) eliminate the need to allocate memory for overload sets, which could help performance. Finally, it helps set us up for when name lookup can return multiple (possibly ambiguous) results, as can happen with lookup of class members in C++. Next steps: make the IdentifierResolver store overloads as separate entries in its list rather than replacing them with an OverloadedFunctionDecl now, then see how far we can go toward eliminating OverloadedFunctionDecl entirely. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61357 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-22Partial AST and Sema support for C++ try-catch.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61337 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-21Parser support for C++ try-catch.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61312 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-21Convert a few Stmt actions to smart pointers.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61309 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-18Ultrasimplistic sketch for the parsing of C++ template-ids. This won'tDouglas Gregor
become useful or correct until we (1) parse template arguments correctly, (2) have some way to turn template-ids into types, declarators, etc., and (3) have a real representation of templates. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61208 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-18add a simple fast-path for the common case of [] and [4] in Chris Lattner
array size declarators. No need to go through all the trouble of parsing crazy things like [static const 4] when most code doesn't need it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61200 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-18disallow attributes in a few callers of ParseTypeQualifierListOpt,Chris Lattner
these completely ignore parsed attributes anyway, so don't try to read them. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61198 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-18Clean up the C89/C++ warnings about C99 array features to not Chris Lattner
emit duplicate diags (some in parser and some in sema) and to warn about use of typequals in array sizes. This implements PR2759. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61197 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-18implement PR3177 - "__extension__ union" not supported in C++ modeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61180 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-17Do proper recovery from an invalid switch condiition. Fixes PR3229.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61160 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-17Removed the warningDouglas Gregor
warning: statement was disambiguated as declaration because it is currently firing in cases where the declaration would not actually parse as a statement. We'd love to bring this warning back if we can make it more accurate. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61137 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-17Semantics of @protocol attributes.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61114 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Make linkage-specifications hold on to all of their declarationsDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61110 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Delay parsing of default arguments of member functions until the classDouglas Gregor
is completely defined (C++ [class.mem]p2). Reverse the order in which we process the definitions of member functions specified inline. This way, we'll get diagnostics in the order in which the member functions were declared in the class. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61103 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-13Some utilities for using the smart pointers in Actions, especially Sema. ↵Sebastian Redl
Convert a few functions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60983 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-13Convert remaining expression parsers to smart pointers. Now on to the Action ↵Sebastian Redl
connection. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60982 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-12fix a buggy fall through that caused a crash-on-invalid. rdar://6248081Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60961 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-12use smarter error recovery for do/while.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60933 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-12apply the new error recovery smarts we have for if's to while's and switch's.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60932 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-12merge recovery-2.c into recovery-3.c.Chris Lattner
Substantially improve error recovery after broken if conditions by parsing the full if when we have a semantic error instead of using parser recovery techniques to recover from a semantic error. This fixes rdar://6094870 - spurious error after invalid 'if' condition git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60929 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-12minor refactoring of ParseParenExpressionChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60928 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-11Convert a big bunch of expression parsers to use smart pointers.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60906 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-11Convert some more expression parsers to use smart pointers.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60904 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-11Convert selected expression parsers to use smart pointers.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60900 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-11Convert the remaining statement parsers to smart pointers.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60895 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-11Convert some more statement parsers to smart pointers.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60892 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-11Convert a number of statement parsers to smart pointers.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60888 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-11Unifies the name-lookup mechanisms used in various parts of the ASTDouglas Gregor
and separates lexical name lookup from qualified name lookup. In particular: * Make DeclContext the central data structure for storing and looking up declarations within existing declarations, e.g., members of structs/unions/classes, enumerators in C++0x enums, members of C++ namespaces, and (later) members of Objective-C interfaces/implementations. DeclContext uses a lazily-constructed data structure optimized for fast lookup (array for small contexts, hash table for larger contexts). * Implement C++ qualified name lookup in terms of lookup into DeclContext. * Implement C++ unqualified name lookup in terms of qualified+unqualified name lookup (since unqualified lookup is not purely lexical in C++!) * Limit the use of the chains of declarations stored in IdentifierInfo to those names declared lexically. * Eliminate CXXFieldDecl, collapsing its behavior into FieldDecl. (FieldDecl is now a ScopedDecl). * Make RecordDecl into a DeclContext and eliminates its Members/NumMembers fields (since one can just iterate through the DeclContext to get the fields). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60878 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-10Added a warning when referencing an if's condition variable in theDouglas Gregor
"else" clause, e.g., if (int X = foo()) { } else { if (X) { // warning: X is always zero in this context } } Fixes rdar://6425550 and lets me think about something other than DeclContext. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60858 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-10Use a scoped object to manage entry/exit from a parser scope rather than ↵Douglas Gregor
explicitly calling EnterScope/ExitScope git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60830 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-10Modify the move emulation according to the excellent design of Howard ↵Sebastian Redl
Hinnant. Makes for much nicer syntax when smart pointers are used consistently. Also, start converting internal argument passing of Parser to smart pointers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60809 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-09Kick out the proof-of-concept ASTOwner and replace it with ASTOwningResultSebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60791 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-09Lay the groundwork for converting the entire parser-sema chain to smart ↵Sebastian Redl
pointers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60782 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-09Consistently use smart pointers for stmt and expr nodes in parser local ↵Sebastian Redl
variables. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60761 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-08Fix PR3172: if we see an eof or } at the top level, reject it.Chris Lattner
This is important because ParseDeclarationOrFunctionDefinition skips to, but does not consume, an } on error. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60719 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-08improve comment.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60718 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-08fix typo.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60686 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-06Add support for calls to dependent names within templates, e.g.,Douglas Gregor
template<typename T> void f(T x) { g(x); // g is a dependent name, so don't even bother to look it up g(); // error: g is not a dependent name } Note that when we see "g(", we build a CXXDependentNameExpr. However, if none of the call arguments are type-dependent, we will force the resolution of the name "g" and replace the CXXDependentNameExpr with its result. GCC actually produces a nice error message when you make this mistake, and even offers to compile your code with -fpermissive. I'll do the former next, but I don't plan to do the latter. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60618 91177308-0d34-0410-b5e6-96231b3b80d8
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