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2013-02-17Documentation: use \brief and don't duplicate the name of the declared entityJames Dennett
at the start of the doc comment. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175391 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-17Documentation cleanup: fix a typo ("////" for "///") and suppress Doxygen'sJames Dennett
automatic link generation for "file:", as it's not used as a URL here. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175390 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-16Use trailing documentation comments properlyDmitri Gribenko
Patch by Alexander Zinenko. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175376 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-16Documentation cleanup: make a \brief be brief, and fix a bad use of \see.James Dennett
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175340 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-16Documentation cleanup: use \brief, and don't repeat the identifier beingJames Dennett
declared. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175339 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-16libAnalysis: Add a case for TypeAliasDecl in CFGRecStmtDeclVisitor.Jordan Rose
Neither of the current clients of CFGRecStmtDeclVisitor are doing anything with typedefs, so I assume type aliases (C++11 "using") can be safely ignored. This was causing assertion failures in the analyzer. <rdar://problem/13228440> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175335 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-16Remove unused forward declarationsDmitri Gribenko
clang/AST/Decl.h is included to see the TypeSourceInfo definition anyway. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175332 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-16[PCH] Deserializing the DeclContext of a template parameter is not safeArgyrios Kyrtzidis
until recursive loading is finished. Otherwise we may end up with a template trying to deserialize a template parameter that is in the process of getting loaded. rdar://13135282 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175329 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-16Remove unused forward declarationsDmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175328 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-16Rework the visibility computation algorithm in preparationJohn McCall
for distinguishing type vs. value visibility. The changes to the visibility of explicit specializations are intentional. The change to the "ugly" test case is a consequence of a sensible implementation, and I am happy to argue that this is better behavior. Other changes may or may not be intended; it is quite difficult to divine intent from some of the code I altered. I've left behind a comment which I hope explains the philosophy behind visibility computation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175326 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-15objective-C: Fixes a compiler crash when encodingFariborz Jahanian
an ivar of type pointer to a typedef'ed object. // rdar://13190095 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175298 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-15When a statement is dropped from the AST because it was invalid, make sureArgyrios Kyrtzidis
we don't do the scope checks otherwise we are going to hit assertion checks since a label may not have been actually added. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175281 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-15Re-apply "[analyzer] Model trivial copy/move ctors with an aggregate bind."Jordan Rose
...after a host of optimizations related to the use of LazyCompoundVals (our implementation of aggregate binds). Originally applied in r173951. Reverted in r174069 because it was causing hangs. Re-applied in r174212. Reverted in r174265 because it was /still/ causing hangs. If this needs to be reverted again it will be punted to far in the future. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175234 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-14objective-C: synthesize properties in order of theirFariborz Jahanian
declarations to synthesize their ivars in similar determinstic order so they are laid out in a determinstic order. // rdar://13192366 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175214 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-14objective-C: When implementing custom accessor method forFariborz Jahanian
a property, the -Wdirect-ivar-access should not warn when accessing the property's synthesized instance variable. // rdar://13142820 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175195 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-14Remove a const_cast by propagating constness to called functionsDmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175161 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-14Remove const_casts by making spec_begin()/spec_end() constDmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175159 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-14Pass the target options through to code generation.Bill Wendling
The code generation stuff is going to set attributes on the functions it generates. To do that it needs the target options. Pass them through. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175141 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-14merge hasCLanguageLinkage and isExternC. Keep the shorter name.Rafael Espindola
I added hasCLanguageLinkage while fixing some language linkage bugs some time ago so that I wouldn't have to check all users of isExternC. It turned out to be a much longer detour than expected, but this patch finally merges the two again. The isExternC function now implements just the standard notion of having C language linkage. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175119 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-14Add a getLanguageLinkage method to VarDecls and FunctionDecls. Use it to fixRafael Espindola
some cases where functions with no language linkage were being treated as having C language linkage. In particular, don't warn in extern "C" { static NonPod foo(); } Since getLanguageLinkage checks the language linkage, the linkage computation cannot use the language linkage. Break the loop by checking just the context in the linkage computation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175117 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-13Allow breaking after the return type in function declarations.Daniel Jasper
This has so far been disabled for Google style, but should be done before breaking at nested name specifiers or in template parameters. Before (in Google style): template <typename T> aaaaaaaa::aaaaa::aaaaaa<T, aaaaaaaaaaaaaaaaaaaaaaaaa> aaaaaaaaaaaaaaaaaaaaaaaa< T>::aaaaaaa() {} After: template <typename T> aaaaaaaa::aaaaa::aaaaaa<T, aaaaaaaaaaaaaaaaaaaaaaaaa> aaaaaaaaaaaaaaaaaaaaaaaa<T>::aaaaaaa() {} git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175074 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-12Adding more overloads for allOf matcherEdwin Vane
Adding overloads of allOf accepting 4 and 5 arguments. Reviewer: klimek git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174967 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-12Remove an assert which triggers when a decl context in a module hits the 'hasRichard Smith
lexical storage but not visible storage' case in C++. It's unclear whether we even need the special-case handling for C++, since it seems to be working around our not serializing a lookup table for the TU in C. But in any case, the assertion is incorrect. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174931 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-12Diagnose loads of 'half' l-values in OpenCL.John McCall
Patch by Joey Gouly! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174928 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-11Don't bother reconciling external visible decls against our current set ofRichard Smith
declarations if we didn't have a lookup map when the external decls were added. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174906 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-11Do not use VariadicDynCastAllOfMatcher where VariadicAllOfMatcher works.Manuel Klimek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174862 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-10objective-C: Fixes a bogus warning due to not settingFariborz Jahanian
the "nonatomic" attribute in property redeclaration in class extension. Also, improved on diagnostics in this area while at it. // rdar://13156292 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174821 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09Remove unreachable statementDmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174811 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09Remove some stray uses of <ctype.h> functions.Jordan Rose
These are causing assertions on some MSVC builds. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174805 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09QoI: -Wreadonly-iboutlet-property should have the warning's location on the ↵Ted Kremenek
property. There's no need to refer to the @implementation at all. Fixes <rdar://problem/13186515> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174802 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09Ensure that type definitions present in just-loaded modules areDouglas Gregor
visible. The basic problem here is that a given translation unit can use forward declarations to form pointers to a given type, say, class X; X *x; and then import a module that includes a definition of X: import XDef; We will then fail when attempting to access a member of X, e.g., x->method() because the AST reader did not know to look for a default of a class named X within the new module. This implementation is a bit of a C-centric hack, because the only definitions that can have this property are enums, structs, unions, Objective-C classes, and Objective-C protocols, and all of those are either visible at the top-level or can't be defined later. Hence, we can use the out-of-date-ness of the name and the identifier-update mechanism to force the update. In C++, we will not be so lucky, and will need a more advanced solution, because the definitions could be in namespaces defined in two different modules, e.g., // module 1 namespace N { struct X; } // module 2 namespace N { struct X { /* ... */ }; } One possible implementation here is for C++ to extend the information associated with each identifier table to include the declaration IDs of any definitions associated with that name, regardless of context. We would have to eagerly load those definitions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174794 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09Properly validate UCNs for C99 and C++03 (both more restrictive than C(++)11).Jordan Rose
Add warnings under -Wc++11-compat, -Wc++98-compat, and -Wc99-compat when a particular UCN is incompatible with a different standard, and -Wunicode when a UCN refers to a surrogate character in C++03. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174788 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08[analyzer] Move DefaultBool so that all checkers can share it.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174782 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Excise <cctype> from Clang (except clang-tblgen) in favor of CharInfo.h.Jordan Rose
Nearly all of these changes are one-to-one replacements; the few that aren't have to do with custom identifier validation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174768 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Pull Lexer's CharInfo table out for general use throughout Clang.Jordan Rose
Rewriting the same predicates over and over again is bad for code size and code maintainence. Using the functions in <ctype.h> is generally unsafe unless they are specified to be locale-independent (i.e. only isdigit and isxdigit). The next commit will try to clean up uses of <ctype.h> functions within Clang. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174765 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08objective-C modern translator. Generate #lineFariborz Jahanian
info in the translated code under -g only. // rdar://13138170 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174684 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Teach subframework header lookup to suggest modules <rdar://problem/13176200>.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174683 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07[analyzer] Add pointer escape type param to checkPointerEscape callbackAnna Zaks
The checkPointerEscape callback previously did not specify how a pointer escaped. This change includes an enum which describes the different ways a pointer may escape. This enum is passed to the checkPointerEscape callback when a pointer escapes. If the escape is due to a function call, the call is passed. This changes previous behavior where the call is passed as NULL if the escape was due to indirectly invalidating the region the pointer referenced. A patch by Branden Archer! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174677 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Rename -fmodule-cache-path <blah> to -fmodules-cache-path=<blah> for ↵Douglas Gregor
consistency. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174645 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Enable overloading of OpenCL events - this is needed for the overloaded ↵Guy Benyei
OpenCL builtin functions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174630 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Implements equalsNode for Decl and Stmt.Manuel Klimek
This is a powerful tool when doing iterative refined matches, where another match is started inside the match callback of the first one; this allows for example to find out whether the node was in the condition or body of its parent if-statement. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174605 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Add OpenCL samplers as Clang builtin types and check sampler related ↵Guy Benyei
restrictions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174601 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Fix handling of module imports adding names to a DeclContext after qualifiedRichard Smith
name lookup has been performed in that context (this probably only happens in C++). 1) Whenever we add names to a context, set a flag on it, and if we perform lookup and discover that the context has had a lookup table built but has the flag set, update all entries in the lookup table with additional names from the external source. 2) When marking a DeclContext as having external visible decls, mark the context in which lookup is performed, not the one we are adding. These won't be the same if we're adding another copy of a pre-existing namespace. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174577 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Simplify FindExternalVisibleDeclsByName by making it return a bool indicatingRichard Smith
if it found any decls, rather than returning a list of found decls. This removes a returning-ArrayRef-to-deleted-storage bug from MultiplexExternalSemaSource (in code not exercised by any of the clang binaries), reduces the work required in the found-no-decls case with PCH, and importantly removes the need for DeclContext::lookup to be reentrant. No functionality change intended! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174576 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Introduce -fmodules-ignore-macro=NNN to ignore a macro when building/loading ↵Douglas Gregor
modules. The use of this flag enables a modules optimization where a given set of macros can be labeled as "ignored" by the modules system. Definitions of those macros will be completely ignored when building the module hash and will be stripped when actually building modules. The overall effect is that this flag can be used to drastically reduce the number of Eventually, we'll want modules to tell us what set of macros they respond to (the "configuration macros"), and anything not in that set will be excluded. However, that requires a lot of per-module information that must be accurate, whereas this option can be used more readily. Fixes the rest of <rdar://problem/13165109>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174560 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Detect when we end up trying to load conflicting module files.Douglas Gregor
This can happen when one abuses precompiled headers by passing more -D options when using a precompiled hedaer than when it was built. This is intentionally permitted by precompiled headers (and is exploited by some build environments), but causes problems for modules. First part of <rdar://problem/13165109>, detecting when something when horribly wrong. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174554 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Cleanup of ASTMatcher macros and adding support for overloaded matchers.Manuel Klimek
This is in preparation for adding other overloaded matchers. This change alone is a net win in LOC. I went through all matchers and looked whether we could now encode them as macro, or simplify them with the matcher atoms that were not available before. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174540 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Accept and ignore the -fextended-identifiers option.Jordan Rose
This was GCC's option to turn on UCN support, which we always have on now in C99 and C++ modes. Additionally, mark the -fno-extended-identifiers option as unsupported, since we don't support disabling UCNs in C99 and C++ modes. PR11538 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174530 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Optionally derive formatting information from the input file.Daniel Jasper
With this patch, clang-format can analyze the input file for two properties: 1. Is "int *a" or "int* a" more common. 2. Are non-C++03 constructs used, e.g. A<A<A>>. With Google-style, clang-format will now use the more common style for (1) and format C++03 compatible, unless it finds C++11 constructs in the input. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174504 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Adds a convenience function selectFirst to simplify matching.Manuel Klimek
A very common use case is to search for the first occurrence of a certain node that is a descendant of another node. In that case, selectFirst significantly simplifies the code at the client side. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174499 91177308-0d34-0410-b5e6-96231b3b80d8
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