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2013-01-29[Doc parsing] Patch to parse Doxygen-supported HTML character Fariborz Jahanian
references to their UTIF-8 encoding. Reviewed offline by Doug. // rdar://12392215 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173850 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29[ubsan] Implement the -fcatch-undefined-behavior flag using a trappingChad Rosier
implementation; this is much more inline with the original implementation (i.e., pre-ubsan) and does not require run-time library support. The trapping implementation can be invoked using either '-fcatch-undefined-behavior' or '-fsanitize=undefined-trap -fsanitize-undefined-trap-on-error', with the latter being preferred. Eventually, the -fcatch-undefined-behavior' flag will be removed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173848 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Move -Wstatic-float-init fixit into a note & don't recover as if constexprDavid Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173841 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Don't fixit/recover from -Wstatic-float-init when it's not an error.David Blaikie
Fix to change r173414 that lead to Clang changing const to constexpr even under -Wno-static-float-init. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173835 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Move the token annotator into separate files.Daniel Jasper
No functional changes. Also removed experimental-warning from all of clang-format's files, as it is no longer accurate. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173830 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29[Preprocessor] When checking if we can concatenate two tokens, checkArgyrios Kyrtzidis
if they were already concatenated in source using the spelling locations even if they came from a macro expansion. This fixes an issue where a GUID passed as macro argument ends up malformed after preprocessing because we added spaces inside it. rdar://13016645 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173826 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29[driver] Refactor the driver so that a failing commands doesn't preventChad Rosier
subsequent commands from being executed. The diagnostics generation isn't designed for this use case, so add a note to fix this in the very near future. For now, just generated the diagnostics for the first failing command. Part of rdar://12984531 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173825 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Improve formatting of code with comments.Daniel Jasper
Before: aaaaaaa(aaaaaa( // comment aaaaaaa)); <big mess> After: aaaaaaa(aaaaaa( // comment aaaaaaaa)); function(/* parameter 1 */ aaaaaaa, /* parameter 2 */ aaaaaaa, /* parameter 3 */ aaaaaaa, /* parameter 4 */ aaaaaaa); (the latter example was only wrong in the one-arg-per-line mode, e.g. in Google style). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173821 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Mark a struct definition in an objc container with the ↵Argyrios Kyrtzidis
TopLevelDeclInObjCContainer bit. Fixes accurately getting a cursor inside an objc container containing a struct definition, from a PCH/preamble file. rdar://12584613 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173811 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Allow all parameters on next line for function calls in Chrome.Daniel Jasper
The style guide only forbids this for function declarations. So, now someFunction( aaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaa, aaaaaaaaaaaa); Is allowed in Chromium mode. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173806 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Split ">>" in "A<B<C> >" in Chromium style.Daniel Jasper
It needs to be compatible with C++03. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173805 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Fix uninitialized error caused by r173801.Daniel Jasper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173803 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Fix a crash in OpenCL code by using the proper (RHS) bit-width.Joey Gouly
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173802 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Calculate the split penalty upfront.Daniel Jasper
This is a) More efficient. b) Important as we move forward with further metrics for penalty. No functional changes intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173801 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Fix a comment and reformat clang-format with clang-formatDaniel Jasper
Not all changes might be ideal, but IMO all are acceptable. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173793 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Initial support for multiple variable declarations.Daniel Jasper
Before: SomeType aaaaaaaaaaaaaaaaa = aaaaaa->aaaaaaaaaaaaaaaaa(), aaaaaaaaaaa = aaaaaa->aaaaaaaaaaa(); After: SomeType aaaaaaaaaaaaaaaaa = aaaaaa->aaaaaaaaaaaaaaaaa(), aaaaaaaaaaa = aaaaaa->aaaaaaaaaaa(); git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173792 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Add a diagnostic for an OpenCL kernel with a pointer pointer argument.Joey Gouly
Also refactor the surrounding code a little. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173791 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Produce a diagnostic if alignas is applied to an expression. Neither C11 norRichard Smith
C++11 allows that. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173789 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Downgrade 'attribute ignored when parsing type' from error to warning, to matchRichard Smith
the diagnostic's warn_ name. Switch some places (notably C++11 attributes) which really wanted an error over to a different diagnostic. Finally, suppress the diagnostic entirely for __ptr32, __ptr64 and __w64, to avoid producing diagnostics in important system headers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173788 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Reverting changes from r173785 (removing empty lines before "}").Daniel Jasper
This needs some more thinking, e.g. for namespaces, chains of if-else if, ... git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173787 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Remove empty lines before "}".Daniel Jasper
Those empty lines waste vertical whitespace and almost never increase readability. Before: void f() { DoSomething(); } After: void f() { DoSomething(); } git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173785 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Implement C++11 [dcl.align]p1 and C11 6.7.5/2 rules for alignas and _Alignas.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173779 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Propagate the spelling list index for an attribute across template ↵Richard Smith
instantiation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173768 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29PR15017: A '>' can appear after a type-specifier in a template-argument-list.Richard Smith
It turns out that there's no correctness bug here (because we can't have a type definition in this location), but there was a diagnostic bug. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173766 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29PR15100: look through type sugar when determining whether we have one of theRichard Smith
forms of 'main' which we accept as an extension. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173758 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Treat alignas and _Alignas as keyword attributes. This allows us toRichard Smith
pretty-print them properly (modulo the more general badness in alignment attribute printing). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173752 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Actually remove the hack which was blocking the Borland-style attributes fromRichard Smith
working, and add the missing attribute spellings. This brings _pascal, _fastcall, _stdcall and _cdecl to life in -fborland-extensions mode. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173749 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Don't crash while printing APValues that are lvalues casted to aDouglas Gregor
decidedly non-reference, non-pointer type. Fixes <rdar://problem/13090123>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173747 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Replace AS_MSTypespec with AS_Keyword, for representing any attribute spelledRichard Smith
as a keyword. Rationalize existing attributes to use it as appropriate, and to not lie about some __declspec attributes being GNU attributes. In passing, remove a gross hack which was discarding attributes which we could handle. This results in us actually respecting the __pascal keyword again. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173746 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Abstract the behavior of when to use base-class tail padding.John McCall
For fun, I added a comedy "actually obey the C++11 POD rules" option which nobody is allowed to use. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173744 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28Finish semantic analysis for [[carries_dependency]] attribute.Richard Smith
This required plumbing through a new flag to determine whether a ParmVarDecl is actually a parameter of a function declaration (as opposed to a function typedef etc, where the attribute is prohibited). Weirdly, this attribute (just like [[noreturn]]) cannot be applied to a function type, just to a function declaration (and its parameters). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173726 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28Undo my re-wording of the "ARC forbids Objective-C objects in ..."Douglas Gregor
error. Jordan is right. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173713 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28Forbid the use of objects in unions in Objective-C++ ARC. FixesDouglas Gregor
<rdar://problem/13098104>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173708 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28Enable the global module index by default. Introduce theDouglas Gregor
-fno-modules-global-index -cc1 option to allow one to disable the index for performance testing purposes, but with a 10% win in -fsyntax-only time, there is no reason a user would do this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173707 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28ASTReader and profiling statistics indicate that implementing a methodDouglas Gregor
pool in the global module index is not worthwhile. Update comments to limit the scope of the global module index to identifiers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173705 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28Add some more ASTReader statistics for global method pool lookups.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173702 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28PR15067 (again): Don't warn about UCNs in C90 if we're raw-lexing.Jordan Rose
Fixes a crash. Thanks, Richard. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173701 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28Fix comment.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173700 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28Fix a bug that would lead to bad line break decisions in for loops.Daniel Jasper
Before: for (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaa = aaaaaaaaaaaaaaa .aaaaaaaaaaaaaaaa; aaaaaaaaaaa != aaaaaaaaaaaaaaaaaaa; ++aaaaaaaaaaa) {} After: for (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaa = aaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaa; aaaaaaaaaaa != aaaaaaaaaaaaaaaaaaa; ++aaaaaaaaaaa) {} git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173695 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28Eliminate memory allocation from most invocations ofDouglas Gregor
ModuleManager::visit() by keeping a free list of the two data structures used to store state (a preallocated stack and a visitation number vector). Improves -fsyntax-only performance for my modules test case by 2.8%. Modules has pulled ahead by almost 10% with the global module index. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173692 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28Don't put a function's return type on its own line in Google style.Daniel Jasper
This would be against the style guide: http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml?showone=Function_Declarations_and_Definitions#Function_Declarations_and_Definitions Not sure what to do as a last resort if the function signature does not fit onto a single line in Google style .. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173690 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28Let clang-format break after a function's return type.Daniel Jasper
Before: TypeSpecDecl *TypeSpecDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, IdentifierInfo *II, Type *T) {} After: TypeSpecDecl * TypeSpecDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, IdentifierInfo *II, Type *T) {} This fixes llvm.org/PR14717. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173688 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28Make continuations in constructor initializers consistent.Daniel Jasper
Before: Constructor : LooooooooooooooooooooongVariable( LooooooooooooooooooooongValue) {} After: Constructor : LooooooooooooooooooooongVariable( LooooooooooooooooooooongValue) {} git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173685 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28Initial support for formatting range-based for-loops.Daniel Jasper
Before (in good cases): for (auto aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {} for (auto aaaaaaaaaaaaaaaaaaaa : aaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaa, aaaa)) {} After: for (auto aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {} for (auto aaaaaaaaaaaaaaaaaaaa : aaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaa, aaaa)) {} git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173684 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28Improve formatting of conditional expressions.Daniel Jasper
Before we did not really systematically format those. Now, we format the different cases as: - 1 Line: a ? b : c; - 2 Lines: short ? loooooooooong : loooooooooong - 2 Lines: loooooooooooooooong ? short : short - 3 Lines: loooooooooooooooong ? loooooooooooooong : loooooooooooooong Not sure whether "?" and ":" should go on the new line, but it seems to be the most consistent approach. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173683 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28Several small changes in formatting decisions.Daniel Jasper
1. Use a hanging ident for function calls nested in binary expressions. E.g.: int aaaaa = aaaaaaaaa && aaaaaaaaaa( aaaaaaaaaa); 2. Slightly improve heuristic for builder type expressions and reduce penalty for breaking before "." and "->" in those. 3. Remove mostly obsolete metric of decreasing indent level. This fixes: llvm.org/PR14931. Changes #1 and #2 were necessary to keep tests passing after #3. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173680 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28Improve indentation after breaking at nested name specifiers.Daniel Jasper
These always represent a continuation and we should increase the ident. Before: aaaaaaaaa(aaaaaaaaaaaaaaaaaaaaa:: aaaaaaaaaaaaaaaaaaaa); After: aaaaaaaaa(aaaaaaaaaaaaaaaaaaaaa:: aaaaaaaaaaaaaaaaaaaa); git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173675 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28Avoid confusing identations for multi-parameter functions.Daniel Jasper
Before: aaaaaaaa(aaaaaaaaa( aaaaaaaaaa(), aaaaaaaaa); After: aaaaaaaa(aaaaaaaaa( aaaaaaaaaa(), aaaaaaaaa); git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173673 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28Print warning instead of error if optional ASan features are enabled w/o ↵Alexey Samsonov
specifying -fsanitize=address git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173670 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28Fix the indentation of the first line of preprocessor outputHal Finkel
The -E output from clang did not produce the correct indentation on the first line. This is because MoveToLine returned false, and when this happens, the regular process for producing initial indentation is skipped. Thanks to Eli for suggesting a way to simplify this to a one-line change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173657 91177308-0d34-0410-b5e6-96231b3b80d8
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