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2011-11-29PR10101: Recover better from a common copy-paste error: if a functionRichard Smith
declaration at namespace scope is followed by a semicolon and an open-brace (or in C++, a 'try', ':' or '='), then the error is probably a function definition with a spurious ';', rather than a mysterious '{'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145372 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-29objc: warn if NSObject attribute appears other than in a typedef.Fariborz Jahanian
// rdar://10453342 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145358 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-28objc: turn warning for property type mismatch in Fariborz Jahanian
primary and its continuation class into error. // rdar://10142679 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145255 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-27Reference initialization with initializer lists.Sebastian Redl
This supports single-element initializer lists for references according to DR1288, as well as creating temporaries and binding to them for other initializer lists. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145186 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-24Wordsmith the -Warray-bounds diagnostic text a bitMatt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145116 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-23Add feature to diagnostics that will provide more information on functionRichard Trieu
pointer mismatch. Cases covered are: initialization, assignment, and function arguments. Additional text will give the extra information about the nature of the mismatch: different classes for member functions, wrong number of parameters, different parameter type, different return type, and function qualifier mismatch. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145114 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-22implement __has_feature(address_sanitizer); also use ↵Kostya Serebryany
LangOpts.AddressSanitizer instead of CodeGenOpts.AddressSanitizer git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145054 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-21Add driver arguments -ftemplate-depth=N and -fconstexpr-depth=N, with the sameRichard Smith
semantics and defaults as the corresponding g++ arguments. The historical g++ argument -ftemplate-depth-N is kept for compatibility, but modern g++ versions no longer document that option. Add -cc1 argument -fconstexpr-depth N to implement the corresponding functionality. The -ftemplate-depth=N part of this fixes PR9890. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145045 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-19Driver: Remove the signal number from the "command failed" diagnostic.Benjamin Kramer
- With the current implementation of sys::Program this always printed "2". - The command execution code will output the right number anyway (including the signal name). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144993 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-19Add missing initialization in the ContentCache. Seriously, when doDouglas Gregor
constructors go below public member functions? git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144991 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-17Make 'LangOptions' in CompilerInvocation a heap-allocated, reference counted ↵Ted Kremenek
object. I discovered that llvm::RefCountedBase<T> has a bug where the reference count is copied in the copy constructor, which means that there were cases when the CompilerInvocation objects created by ASTUnit were actually leaked. When I fixed that bug locally, it showed that a whole bunch of code assumed that the LangOptions object that was part of CompilerInvocation was still alive. By making it heap-allocated and reference counted, we can keep it around after the CompilerInvocation object goes away. As part of this change, change CompilerInvocation:getLangOptions() to return a pointer, acting as another clue that this object may outlive the CompilerInvocation object. This commit doesn't fix the CompilerInvocation leak itself. That will come when I commit the fix to llvm::RefCountedBase<T> to mainline LLVM. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144930 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-17Add the notion of "framework" modules to module maps. FrameworkDouglas Gregor
modules (obviously) describe frameworks, and understand the header layout of frameworks. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144921 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-17Include named unions in union member init checkingDavid Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144883 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-16A module with an umbrella header assumes that all of the headers inDouglas Gregor
the umbrella header's directory and its subdirectories are part of the module (that's why it's an umbrella). Make sure that these headers are considered to be part of the module for lookup purposes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144859 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-16Implement (de-)serialization of the buffer contents for an overriddenDouglas Gregor
file in the source manager. This allows us to properly create and use modules described by module map files without umbrella headers (or with incompletely umbrella headers). More generally, we can actually build a PCH file that makes use of file -> buffer remappings, which could be useful in libclang in the future. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144830 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-16When building a module from a module map that isn't simply an umbrellaDouglas Gregor
header, create our own in-memory buffer to parse all of the appropriate headers, and use that to build the module. This isn't end-to-end testable yet; that's coming next. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144797 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-16Add support for building a module from a module map to the -cc1Douglas Gregor
interface. This is currently limited to modules with umbrella headers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144736 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-15Add a -cc1-level option -fmodule-name=<name>, which will be used whenDouglas Gregor
building modules. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144680 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-15Add -Wmismatched-method-attributes flag for when attributes in method ↵Fariborz Jahanian
definition and their decl. do not match. // rdar://10448471 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144676 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-15Warning option typo correction: When two options have the same edit_distance ↵Benjamin Kramer
don't display either. Also add a maximum edit distance threshold, so we don't correct "-Wx" to "-W#pragma-messages". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144644 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-14A space in a diagnostic group is a bead idea.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144594 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-14Print a typo correction hint for unknown warning flags.Benjamin Kramer
$ clang -Wololo t.c warning: unknown warning option '-Wololo'; did you mean '-Wall'? [-Wunknown-warning-option] git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144591 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-14Use Sema::RequireCompleteType to check for the completeness ofDouglas Gregor
Objective-C classes. This has two purposes: to consistently provide "forward declaration here" notes when we hit an incomplete type, and to give LLDB a chance to complete the type. RequireCompleteType bits from Sean Callanan! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144573 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-14ARC: make assignment to 'self' within class methods illegal. Fixes ↵Ted Kremenek
<rdar://problem/10416568>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144572 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-13Fix the signature of the getcontext builtin. Patch by Dimitry Andric.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144505 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-11Resolve the header files named in module map "header" and "umbrella"Douglas Gregor
declarations to actual files. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144408 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-11Extend -Wno-bind-to-temporary-copy and -Wno-{unnamed,local}-type-template-argsRichard Smith
to disable the corresponding -Wc++98-compat warnings in addition to the C++11 extension warnings, so that people already using these flags can switch to C++11 mode and turn on -Wc++98-compat. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144404 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-11Introduce basic support for parsing module map files.Douglas Gregor
Module map files provide a way to map between headers and modules, so that we can layer a module system on top of existing headers without changing those headers at all. This commit introduces the module map file parser and the module map that it generates, and wires up the module map file parser so that we'll automatically find module map files as part of header search. Note that we don't yet use the information stored in the module map. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144402 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-11Place 'argument unused during compilation' under a -W flag. Fixes ↵Ted Kremenek
<rdar://problem/10403653>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144365 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-10Fix some additional x86 intrinsics to use "I" (ICE) markings. Fix ↵Eli Friedman
*mmintrin.h to take them into account. <rdar://problem/10341145> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144246 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-09Fix the signature of __sigsetjmp and sigsetjmp. Patch by Dimitry Andric.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144237 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-09Workaround for compilers that don't implement C++ DR45, from Tom Honermann!Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144161 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-09Put ext_offsetof_extended_field_designator under the warning flagDouglas Gregor
-Wextended-offsetof, from Jeff Walden! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144160 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-09[PCH] Fix reading from PCH of diagnostic pragmas.Argyrios Kyrtzidis
In certain cases ASTReader would call the normal DiagnosticsEngine API to initialize the state of diagnostic pragmas but DiagnosticsEngine would try to compare source locations leading to crash because the main FileID was not yet initialized. Yet another case of the ASTReader trying to use the normal APIs and inadvertently breaking invariants. Fix this by having the ASTReader set up the internal state directly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144153 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-09Add "I" (ICE) annotations onto a few more x86 intrinsics.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144152 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-08Mark the overloaded atomic builtins as having custom type checking,Douglas Gregor
which they do. This avoids all of the default argument promotions that we (1) don't want, and (2) undo during that custom type checking, and makes sure that we don't run into trouble during template instantiation. Fixes PR11320. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144110 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-08Misc fixes to pcmp*stri.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144073 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-08Clean up type flags for overloaded Neon builtins. No functional change.Bob Wilson
This patch just adds a simple NeonTypeFlags class to replace the various hardcoded constants that had been used until now. Unfortunately I couldn't figure out a good way to avoid duplicating that class between clang and TableGen, but since it's small and rarely changes, that's not so bad. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144054 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-07constexpr: static data members declared constexpr are required to have anRichard Smith
initializer; all other constexpr variables are merely required to be initialized. In particular, a user-provided constexpr default constructor can be used for such initialization. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144028 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-06Change the AST representation of operations on Objective-CJohn McCall
property references to use a new PseudoObjectExpr expression which pairs a syntactic form of the expression with a set of semantic expressions implementing it. This should significantly reduce the complexity required elsewhere in the compiler to deal with these kinds of expressions (e.g. IR generation's special l-value kind, the static analyzer's Message abstraction), at the lower cost of specifically dealing with the odd AST structure of these expressions. It should also greatly simplify efforts to implement similar language features in the future, most notably Managed C++'s properties and indexed properties. Most of the effort here is in dealing with the various clients of the AST. I've gone ahead and simplified the ObjC rewriter's use of properties; other clients, like IR-gen and the static analyzer, have all the old complexity *and* all the new complexity, at least temporarily. Many thanks to Ted for writing and advising on the necessary changes to the static analyzer. I've xfailed a small diagnostics regression in the static analyzer at Ted's request. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143867 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-04Check for invalid after calling getSLocEntry, for safety.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143748 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-02Add an option to emulate the strange Apple gcc behavior of #pragma pack.Eli Friedman
<rdar://problem/10374763> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143527 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-01objc: warn if a readonly property has a setter attribute too.Fariborz Jahanian
// rdar://10357768 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143518 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-01Downgrade err_iboutlet_object_type to a warning. It was breaking a bunch of ↵Ted Kremenek
code. We will reconsider promoting it back to an error later. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143470 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-01Perform proper conversion for strings encoded in the source file as UTF-8. ↵Eli Friedman
(For now, we are assuming the source character set is always UTF-8; this can be easily extended if necessary.) Tests will be coming up in a subsequent commit. Patch by Seth Cantrell. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143416 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-01Move ConvertUTF8toUTF32 out of #if 0, in preparation for a patch which needs it.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143415 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-31Improve text of a diagnostic. Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143353 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-31In x86_64, when calling an Objective-C method that returns a _Complex long ↵Anders Carlsson
double, make sure to use the objc_msgSend_fp2ret function which ensures that the return value will be {0, 0} if the receiver is nil. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143350 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-31Add possibility to specify an include location for createFileIDForMemBuffer().Axel Naumann
Useful to set up a virtual include hierarchy, e.g. to order diagnostics for ambiguous overloads from MemoryBuffers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143347 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-31Introduce SourceManager::isLocalFileID/isLoadedFileID functions.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143339 91177308-0d34-0410-b5e6-96231b3b80d8
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