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2010-11-23don't allow remapping PTH file paths with -fworking-directory, theChris Lattner
client should just pass in absolute paths. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120012 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23now the FileManager has a FileSystemOpts ivar, stop threadingChris Lattner
FileSystemOpts through a ton of apis, simplifying a lot of code. This also fixes a latent bug in ASTUnit where it would invoke methods on FileManager without creating one in some code paths in cindextext. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120010 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23tidy upChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119996 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-21remove old compatibility APIs, use StringRef versions instead.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119935 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-20Revert r119838 "Don't warn for empty 'if' body if there is a macro that ↵Argyrios Kyrtzidis
expands to nothing" and use a better and more general approach, where NullStmt has a flag to indicate whether it was preceded by an empty macro. Thanks to Abramo Bagnara for the hint! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119887 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-19Several PPCallbacks take an SourceLocation + IdentifierInfo, ratherCraig Silverstein
than a Token that holds the same information all in one easy-to-use package. There's no technical reason to prefer the former -- the information comes from a Token originally -- and it's clumsier to use, so I've changed the code to use tokens everywhere. Approved by clattner git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119845 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-19Don't warn for empty 'if' body if there is a macro that expands to nothing, e.g:Argyrios Kyrtzidis
if (condition) CALL(0); // empty macro but don't warn for empty body. Fixes rdar://8436021. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119838 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-17move getSpelling from Preprocessor to Lexer, which it is more conceptually ↵Chris Lattner
related to. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119479 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-17propagate preprocessor out of StringLiteralParser. It is nowChris Lattner
possible to create one without a preprocessor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119476 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-17push the preprocessor out of EncodeUCNEscapeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119475 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-17move AdvanceToTokenCharacter and getLocForEndOfToken fromChris Lattner
Preprocessor to Lexer where they make more sense. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119474 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-17add a static version of PP::AdvanceToTokenCharacter.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119472 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-17push use of Preprocessor out farther.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119471 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-17push use of Preprocessor out of getOffsetOfStringByte Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119470 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-17add a static form of the efficient PP::getSpelling method.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119469 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-17refactor the interface to StringLiteralParser::getOffsetOfStringByte,Chris Lattner
pushing the dependency on the preprocessor out a bit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119468 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-12Make sure to always check the result ofDouglas Gregor
SourceManager::getPresumedLoc(), so that we don't try to make use of an invalid presumed location. Doing so can cause crashes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118885 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-09lib/Lex/PPMacroExpansion.cpp: Fixup to appease MSVC.NAKAMURA Takumi
Confirmed on MSVS10. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118496 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-09Appeasing MSVC, take 3Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118493 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-09Try to appease MSVCDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118487 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-09sprintf -> snprintf conversion, from Vladimir KirillovDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118478 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Document Clang's support for attributes on individual enumerators andJohn McCall
tweak the documentation for deprecation-with-message. Provide __has_feature tests for both. rdar://problem/8605692 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118435 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06Add PPCallbacks for #if/#ifdef/etc.Craig Silverstein
The callback info for #if/#elif is not great -- ideally it would give us a list of tokens in the #if, or even better, a little parse tree. But that's a lot more work. Instead, clients can retokenize using Lexer::LexFromRawLexer(). Reviewed by nlewycky. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118318 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-03Implement -working-directory.Argyrios Kyrtzidis
When -working-directory is passed in command line, file paths are resolved relative to the specified directory. This helps both when using libclang (where we can't require the user to actually change the working directory) and to help reproduce test cases when the reproduction work comes along. --FileSystemOptions is introduced which controls how file system operations are performed (currently it just contains the working directory value if set). --FileSystemOptions are passed around to various interfaces that perform file operations. --Opening & reading the content of files should be done only through FileManager. This is useful in general since file operations will be abstracted in the future for the reproduction mechanism. FileSystemOptions is independent of FileManager so that we can have multiple translation units sharing the same FileManager but with different FileSystemOptions. Addresses rdar://8583824. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118203 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-01Plug a leak in the preprocessing record's handling of inclusionDouglas Gregor
directives. We had a std::string in an object that was allocated via a BumpPtrAllocator. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117912 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-30Rename alignof -> alignOf to avoid irritating C++'0x compilers,Chris Lattner
PR8423 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117775 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-30Make the deserialization of macro definitions lazy, so that we canDouglas Gregor
load identifiers without loading their corresponding macro definitions. This is likely to improve PCH performance slightly, and reduces deserialization stack depth considerably when using preprocessor metaprogramming. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117750 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-23Update remaining attribute macros to new style.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117204 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-20Extend the preprocessing record and libclang with support forDouglas Gregor
inclusion directives, keeping track of every #include, #import, etc. in the translation unit. We keep track of the source location and kind of the inclusion, how the file name was spelled, and the underlying file to which the inclusion resolved. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116952 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-20Add a __has_attribute macro that works much like __has_feature and ↵Anders Carlsson
__has_builtin. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116906 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-19Really^2 fix <rdar://problem/8361834>, this time without crashing.Ted Kremenek
Now MICache is a linked list (per the FIXME), where we tradeoff between MacroInfo objects being in MICache and MIChainHead. MacroInfo objects in the MICache chain are already "Destroy()'ed", so they can be reused. When inserting into MICache, we need to remove them from the regular linked list so that they aren't destroyed more than once. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116869 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-19Revert most of r116862. It isn't quite the right fix for a memory leak in ↵Ted Kremenek
Preprocessor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116864 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-19Really fix: <rdar://problem/8361834> MacroInfo::AddTokenToBody() leaks memoryTed Kremenek
The problem was not the management of MacroInfo objects, but that when we recycle them via the MICache the memory of the underlying SmallVector (within MacroInfo) was not getting released. This is because objects stashed into MICache simply are reused with a placement new, and never have their destructor called. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116862 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-19Simplify loop. No functionality change.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116861 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-19Simplify lifetime management of MacroInfo objects in Preprocessor by having ↵Ted Kremenek
the Preprocessor maintain them in a linked list of allocated MacroInfos. This requires only 1 extra pointer per MacroInfo object, and allows us to blow them away in one place. This fixes an elusive memory leak with MacroInfos (whose exact location I couldn't still figure out despite substantial digging). Fixes <rdar://problem/8361834>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116842 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-19In ~Preprocessor(), also cleanup the MacroInfo objects left-over from stray ↵Ted Kremenek
"#pragma push_macro" uses. This fixes a potential memory leak. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116826 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-19Fix typo in comment.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116825 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-14allow I128 suffixes in msextensions mode just like i128 suffixes, patchChris Lattner
by Martin Vejnar! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116460 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-13move logic for computing signed integer overflow when constant foldingChris Lattner
into APInt. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116453 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-09Add support for UCNs for character literalsNico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116129 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Implement C++0x scoped enumerations, from Daniel Wallin! (and tweaked aDouglas Gregor
bit by me). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116122 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-06Add support for 4-byte UCNs like \U12345678. Warn about UCNs in c90 mode.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@115743 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-01Implement the C++0x "trailing return type" feature, e.g.,Douglas Gregor
auto f(int) -> int from Daniel Wallin! (With a few minor bug fixes from me). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@115322 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30In MeasureTokenLength, the FileLoc supplied to the lexer must point to the ↵Sebastian Redl
start of the buffer, or we risk overflow. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@115117 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-27Fix coding standard mistake from my last commit.Michael J. Spencer
That, and keep aKor happy :P. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114816 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-27Lexer: Implement GCC's version of pragma message.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114814 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-24Allow the use of C++0x deleted functions as an extension in C++98.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114762 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-13Revert "CMake: Update to use standard CMake dependency tracking facilities ↵Michael J. Spencer
instead" This reverts commit r113631 Conflicts: CMakeLists.txt lib/CodeGen/CMakeLists.txt git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113817 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-10CMake: Update to use standard CMake dependency tracking facilities insteadMichael J. Spencer
of whatever we were using before... git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113631 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-09When we parse a pragma, keep track of how that pragma was originallyDouglas Gregor
spelled (#pragma, _Pragma, __pragma). In -E mode, use that information to add appropriate newlines when translating _Pragma and __pragma into #pragma, like GCC does. Fixes <rdar://problem/8412013>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113553 91177308-0d34-0410-b5e6-96231b3b80d8
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