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2012-12-21Remove duplicate includes.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170903 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-21[libclang] Follow-up to r170824, provide the correct number of arguments forArgyrios Kyrtzidis
a not-fully-formed macro invocation during code-completion. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170833 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-21[libclang] Make sure we can code-complete inside a macro argument even thoughArgyrios Kyrtzidis
the macro invocation is not fully formed. rdar://11290992 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170824 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Revert r170500. It over-zealously converted *ALL* things named Attributes, ↵Bill Wendling
which is wrong here. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170721 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Add __has_feature(memory_sanitizer).Evgeniy Stepanov
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170686 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19[preprocessor] When "merging" macro argument tokens into one SLocEntry chunk,Argyrios Kyrtzidis
make sure they came from the same kind of FileIDs. Thanks to Abramo Bagnara for providing the test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170616 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Rename the 'Attributes' class to 'Attribute'. It's going to represent a ↵Bill Wendling
single attribute in the future. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170500 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-17tsan: add __has_feature(thread_sanitizer)Dmitry Vyukov
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170314 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-14[preprocessor] For errors at a function macro invocation, also includeArgyrios Kyrtzidis
a note about where the macro is defined. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170228 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12Don't warn about disabled macro expansion if we see the name of a ↵Richard Smith
function-like macro which isn't immediately followed by '('. FreeBSD's stdio.h #defines foo(x) to (foo)(x), apparently. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169960 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11Use @import rather than @__experimental_modules_import, since theDouglas Gregor
latter is rather a mess to type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169919 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11Extend stat query APIs to explicitly specify if the query is forArgyrios Kyrtzidis
a file or directory, allowing just a stat call if a file descriptor is not needed. Doing just 'stat' is faster than 'open/fstat/close'. This has the effect of cutting down system time for validating the input files of a PCH. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169831 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-10Return true from HeaderSearch::isFileMultipleIncludeGuarded if the fileArgyrios Kyrtzidis
was #import'ed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169761 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-08[libclang] Resolve a cursor that points to a macro name inside a #ifdef/#ifndefArgyrios Kyrtzidis
directive as a macro expansion. This is more of a "macro reference" than a macro expansion but it's close enough for libclang's purposes. If it causes issues we can revisit and introduce a new kind of cursor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169666 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-08[Preprocessor] Enhance Ifdef/Ifndef/Defined preprocessor callbacks to also passArgyrios Kyrtzidis
a MacroInfo object if the identifier was a macro name. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169665 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Sort all of Clang's files under 'lib', and fix up the broken headersChandler Carruth
uncovered. This required manually correcting all of the incorrect main-module headers I could find, and running the new llvm/utils/sort_includes.py script over the files. I also manually added quite a few missing headers that were uncovered by shuffling the order or moving headers up to be main-module-headers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169237 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04clang/Lex: [CMake] Update CMakefiles since r169229.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169233 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Refactor recording the preprocessor conditional directive regions out ofArgyrios Kyrtzidis
PreprocessingRecord and into its own class, PPConditionalDirectiveRecord. Decoupling allows a client to use the functionality of PPConditionalDirectiveRecord without needing a PreprocessingRecord. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169229 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04In the PreprocessingRecord, to identify the different conditional directive ↵Argyrios Kyrtzidis
regions use the SourceLocation at the start of the respective region, instead of a unique integer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169228 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-01Try to make the source location information for token pastes a bit more ↵Eli Friedman
consistent. Fixes a crash printing diagnostics on the gcc testsuite, and also makes diagnostic range printing print nicer results for token pastes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169068 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30Comments: no need to escape any characters in \code ... \endcode.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169030 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30Support for #pragma region/endregion for MSVC compatibility. Patch thanks ↵Aaron Ballman
to pravic! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169028 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29Keep track of modules that have failed to build. If we encounter anDouglas Gregor
import of that module elsewhere, don't try to build the module again: it won't work, and the experience is quite dreadful. We track this information somewhat globally, shared among all of the related CompilerInvocations used to build modules on-the-fly, so that a particular Clang instance will only try to build a given module once. Fixes <rdar://problem/12552849>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168961 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-28Remove obsolete comment missed by r162937Andy Gibbs
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168778 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-28Teach Lexer::getSpelling about raw string literals. Specifically, if a rawRichard Smith
string literal needs cleaning (because it contains line-splicing in the encoding prefix or in the ud-suffix), do not clean the section between the double-quotes -- that's the "raw" bit! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168776 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17Clean up code according to coding standardsAndy Gibbs
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168274 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17Fix crash on end-of-file after \ in a char literal, fixes PR14369.Nico Weber
This makes LexCharConstant() look more like LexStringLiteral(), which doesn't have this bug. Add tests for eof after \ for several other cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168269 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17Prevent premature macro expansion in __has_builtin, __has_feature,Andy Gibbs
__has_attribute, __has_extension, making them behave more akin to conventional macros. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168268 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17Made the "expected string literal" diagnostic more expressiveAndy Gibbs
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168267 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17Refactored duplicate string literal lexing code within Preprocessor, into aAndy Gibbs
common LexStringLiteral function. In doing so, some consistency problems have been ironed out (e.g. where the first token in the string literal was lexed with macro expansion, but subsequent ones were not) and also an erroneous diagnostic has been corrected. LexStringLiteral is complemented by a FinishLexStringLiteral function which can be used in the situation where the first token of the string literal has already been lexed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168266 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17Fix handling of invalid uses of the __has_warning builtin macroAndy Gibbs
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168265 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15If an excluded header does not exist, just ignore itDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168077 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Suppress elided variadic macro argument extension diagnostic for macros usingEli Friedman
the related comma pasting extension. In certain cases, we used to get two diagnostics for what is essentially one extension. This change suppresses the first diagnostic in certain cases where we know we're going to print the second diagnostic. The diagnostic is redundant, and it can't be suppressed in the definition of the macro because it points at the use of the macro, so we want to avoid printing it if possible. The implementation works by detecting constructs which look like comma pasting at the time of the definition of the macro; this information is then used when the macro is used. (We can't actually detect whether we're using the comma pasting extension until the macro is actually used, but we can detecting constructs which will be comma pasting if the varargs argument is elided.) <rdar://problem/12292192> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167907 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Fix an assertion failure printing the unused-label fixit in files using CRLF ↵Eli Friedman
line endings. <rdar://problem/12639047>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167900 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13Revert r167801, "[preprocessor] When #including something that contributes noDaniel Dunbar
tokens at all,". This change broke External/Nurbs in LLVM test-suite. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167858 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13UCNs in char literals are done (in LiteralSupport), remove FIXME. Expand UCN ↵Nico Weber
FIXME in LexNumericConstant. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167818 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13[preprocessor] When #including something that contributes no tokens at all,Argyrios Kyrtzidis
don't recursively continue lexing. This avoids a stack overflow with a sequence of many empty #includes. rdar://11988695 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167801 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13In Lexer::LexTokenInternal, avoid code duplication; no functionality change.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167800 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11s/BCPLComment/LineComment/Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167690 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09Improved support for removing the comma preceding __VA_ARGS__ where __VA_ARGS__Andy Gibbs
is empty in a variadic macro expansion. This fixes a divergence in support for the ", ## __VA_ARGS__" GCC extension which differed in behaviour when in strict C99 mode (note: there is no change in behaviour has been made in the gnu99 mode that clang uses by default). In addition, there is improved support for the Microsoft alternative extension ", __VA_ARGS__". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167613 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-08LiteralSupport: Don't overflow the temporary buffer when decoding invalid ↵Benjamin Kramer
string parts. Instead just use a dummy buffer, we're not going to use the decoded string anyways. Fixes PR14292. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167594 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-08LiteralSupport: Clean up style violations. No functionality change.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167593 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-06Remove C++11-isms I just introduced in r167482Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167483 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-06Introduce inferred framework modules into the module map file,Douglas Gregor
allowing a module map to be placed one level above the '.framework' directories to specify that all .frameworks within that directory can be inferred as framework modules. One can also specifically exclude frameworks known not to work. This makes explicit (and more restricted) behavior modules have had "forever", where *any* .framework was assumed to be able to be built as a module. That's not necessarily true, so we white-list directories (with exclusions) when those directories have been audited. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167482 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05Rename LangOptions members for address sanitizer and thread sanitizer fromRichard Smith
*Sanitizer to Sanitize* in preparation for later patches. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167405 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01Make the FilenameRange of the InclusionDirective callback more accurate,Argyrios Kyrtzidis
preserve the macro location of the range end if the filename came from a macro. Patch by Kim Gräsman! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167239 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-30Handle string encoding diagnostics when there are too many invalid ranges.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167059 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-28improve highlighting of invalid string encodingsSeth Cantrell
limit highlight to exactly the bad encoding, and highlight every bad encoding in a string. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166900 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-25Take into account that there may be a BOM at the beginning of the file,Argyrios Kyrtzidis
when computing the size of the precompiled preamble. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166659 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-24Teach the preprocessor to hold onto the preprocessor options.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166599 91177308-0d34-0410-b5e6-96231b3b80d8
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