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2008-10-12Fix a couple more places that poke KeepCommentMode unnecesarily. Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57398 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-12add a new inKeepCommentMode() accessor to abstract the KeepCommentModeChris Lattner
ivar. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57397 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-12fix misleading comment.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57396 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-12Simplify raw mode lexing by treating an unterminate /**/ comment theChris Lattner
same we we do an unterminated string or character literal. This makes it so we can guarantee that the lexer never calls into the preprocessor (which would be suicide for a raw lexer). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57395 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-12add a comment.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57394 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-12Change how raw lexers are handled: instead of creating them and thenChris Lattner
using LexRawToken, create one and use LexFromRawLexer. This avoids twiddling the RawLexer flag around and simplifies some code (even speeding raw lexing up a tiny bit). This change also improves the token paster to use a Lexer on the stack instead of new/deleting it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57393 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-12silence some release-assert warnings.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57391 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-12improve a comment.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57389 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-06__CONSTANT_CFSTRINGS__ should be defined even in C mode, otherwise the CFSTRChris Lattner
won't expand to the builtin. This fixes rdar://6248329 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57164 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-05move __FLT_EVAL_METHOD__, __FLT_RADIX__, and __DECIMAL_DIG__ intoChris Lattner
target indep code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57139 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-05suck the rest of the FP macros out of the targets into the PPChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57137 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-05start moving fp macros overChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57134 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-05move a bunch more integer sizing out of target-specific code intoChris Lattner
target indep code. Note that this changes functionality on PIC16: it defines __INT_MAX__ correctly for it, and it changes sizeof(long) to 16-bits (to match the size of pointer). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57132 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-05eliminate __USER_LABEL_PREFIX__ from the Targets.cpp file, start movingChris Lattner
integer size #defines over to the Preprocessor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57130 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-05gcc no longer defines __block to nothing when blocks aren't enabled.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57129 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-05rearrange preprocessor macro definitions into language-specificChris Lattner
then target specific. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57128 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-05Implement PR2773, support for __USER_LABEL_PREFIX__Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57127 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-04Add Preprocessor::RemovePragmaHandler.Daniel Dunbar
- No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57065 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30Document assumptions that NumericLiteralParser makes with an assertion.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56876 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30define __PASCAL_STRINGS__ whenever -fpascal-strings is enabled.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56824 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ is a darwin-specific #defineChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56822 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-29Fix the root cause of PR2750 instead of the side effect.Chris Lattner
NumericLiteral parser is not careful about overrun because it should never be possible. It implicitly expects that its input matched the regex for pp-constant. Because of this, it knows it can't be pointing to a prefix of something that looks like a number. This is all fine, except that __LINE__ does not prevent implicit concatenation from happening. Fix __LINE__ to not do this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56818 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-29whitespace and comment changes, to fix grammar and 80 col violationsNico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56776 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-26clean up a bunch of fixme's I added, by moving Chris Lattner
DirectoryLookup::DirType into SourceManager.h git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56692 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-26Fix the rest of rdar://6243860 hopefully. This requires changing FileIDInfoChris Lattner
to whether the fileid is a 'extern c system header' in addition to whether it is a system header, most of this is spreading plumbing around. Once we have that, PPLexerChange bases its "file enter/exit" notifications to PPCallbacks to base the system header state on FileIDInfo instead of HeaderSearch. Finally, in Preprocessor::HandleIncludeDirective, mirror logic in GCC: the system headerness of a file being entered can be set due to the #includer or the #includee. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56688 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-26Update clang to pretend to be gcc-4.2.Daniel Dunbar
- This really needs to be automated and configurable. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56635 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-23Fix <rdar://problem/6240065> clang: __BLOCKS__ should be defined.Steve Naroff
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56503 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-05Line endings: CRLF -> LFArgyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55829 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-02- Implement __block.Steve Naroff
- Replace FIXME in Preprocessor::HandleIdentifier() with a check that avoids diagnosing extension tokens that originate from macro definitions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55639 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-02Pull code from last commit. will put back soon.Steve Naroff
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55637 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-02Implement block pseudo-storage class modifiers (__block, __byref).Steve Naroff
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55635 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-02Fix for PR2750; don't check for an 'e' in the trash after the token.Eli Friedman
Note that this isn't really a complete fix; I think there are other potential overrun situations. I don't really know what the best systematic fix is, though. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55622 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-24Rename Preprocessor::DisableBacktrack -> Preprocessor::CommitBacktrackedTokens.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55281 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-23Add a safety check.Argyrios Kyrtzidis
Make sure there's no "dangling" backtrack position when Preprocessor is destroyed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55236 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-23Change line endings: CRLF -> LFArgyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55235 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-22Allow nested backtracks.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55204 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-17various updates to match r54873 on mainline.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54874 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-14Change Parser & Sema to use interned "super" for comparions.Daniel Dunbar
- Added as private members for each because it is not clear where to put the common definition. Perhaps the IdentifierInfos all of these "pseudo-keywords" should be collected into one place (this would KnownFunctionIDs and Objective-C property IDs, for example). Remove Token::isNamedIdentifier. - There isn't a good reason to use strcmp when we have interned strings, and there isn't a good reason to encourage clients to do so. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54794 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-12Move some ObjC preprocessor definitions intoDaniel Dunbar
InitializePredefinedMacros(). - Also now properly wired to -fobjc-gc, -fnext-runtime. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54661 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-11remove obsolete comment.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54652 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-11More #include cleaningDaniel Dunbar
- Kill unnecessary #includes in .cpp files. This is an automatic sweep so some things removed are actually used, but happen to be included by a previous header. I tried to get rid of the obvious examples and this was the easiest way to trim the #includes in one fell swoop. - We now return to regularly scheduled development. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54632 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-10* Remove isInSystemHeader() from DiagClient, move it to SourceManagerNico Weber
* Move FormatError() from TextDiagnostic up to DiagClient, remove now empty class TextDiagnostic * Make DiagClient optional for Diagnostic This fixes the following problems: * -html-diags (and probably others) does now output the same set of warnings as console clang does * nothing crashes if one forgets to call setHeaderSearch() on TextDiagnostic * some code duplication is removed git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54620 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-10Allow the preprocessor to cache the lexed tokens, so that we can do ↵Argyrios Kyrtzidis
efficient lookahead and backtracking. 1) New public methods added: -EnableBacktrackAtThisPos -DisableBacktrack -Backtrack -isBacktrackEnabled 2) LookAhead() implementation is replaced with a more efficient one. 3) LookNext() is removed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54611 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-25In c89 mode accept hex fp constants as an extension:Chris Lattner
t2.c:1:17: warning: hexadecimal floating constants are a C99 feature long double d = 0x0.0000003ffffffff00000p-16357L; ^ instead of emitting a weird error message that doesn't make sense: t2.c:1:41: error: hexadecimal floating constants require an exponent long double d = 0x0.0000003ffffffff00000p-16357L; ^ rdar://6096838 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54035 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-19Patch byTed Kremenek
"When dumping the tokens (-dumptokens output type), the column numbers are not correctly shown. This patch fixes that issue." git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53796 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-12Convert CRLF -> LF line endings.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53519 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-09Add Preprocessor::LookNext method, which implements an efficient way to ↵Argyrios Kyrtzidis
'take a peek' at the next token without consuming it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53375 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-05move the linux predefined macro definition to the TargetInfo, where it ↵Nuno Lopes
really belongs git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53149 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-05predefine the macro linux when compiled on a linux system. this fixes the ↵Nuno Lopes
build of libtidy git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53145 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Fix PR2252: don't warn on negating an unsigned value ever, and don't emitChris Lattner
'integer constant is so large that it is unsigned' warning for hex literals. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53070 91177308-0d34-0410-b5e6-96231b3b80d8
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