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25023 Commits

Author SHA1 Message Date
Chris Lattner 370c135dce improve comment 
llvm-svn: 38696
 2006-07-11 04:03:32 +00:00
Chris Lattner 2acdac4200 Implement scanning-for-( more correctly. This implements 
test/Preprocessor/macro_fn_lparen_scan.c, but is not yet complete.

llvm-svn: 38695
 2006-07-11 04:02:48 +00:00
Chris Lattner 7818605f83 Read, remember, and validate the arguments provided the a function-style 
macro invocation.

llvm-svn: 38685
 2006-07-09 00:45:31 +00:00
Chris Lattner 8eede3e6c0 Remove pointless comments. 
llvm-svn: 38684
 2006-07-08 23:24:05 +00:00
Chris Lattner 815a1f97f6 Diagnose C99 6.10.3.2p1 
llvm-svn: 38683
 2006-07-08 20:48:04 +00:00
Chris Lattner 6e0d42c6f8 Add identifiers for macro arguments to MacroInfo, check for duplicates, 
enhance macro equality testing to verify argument lists match.

llvm-svn: 38682
 2006-07-08 20:32:52 +00:00
Chris Lattner cefc768f5b Start reading/validating the argument list for a function-like macro. 
llvm-svn: 38681
 2006-07-08 08:28:12 +00:00
Chris Lattner 21284dfdd1 Implement checking for macro equality, C99 6.10.3.2 
llvm-svn: 38680
 2006-07-08 07:16:08 +00:00
Chris Lattner e8eef3207b add infrastructure for warning if redef'd macro bodies differ, but don't 
fully implement it.

Fix warning on #define __LINE__ to warn about redefinition, not #undef.

llvm-svn: 38679
 2006-07-08 07:01:00 +00:00
Chris Lattner 8ff7199e4b Warn about __VA_ARGS__ when used outside of a macro expansion 
llvm-svn: 38678
 2006-07-06 05:17:39 +00:00
Chris Lattner bff18d5649 Diagnose erroneous macro definitions where a ## operator is at the start/end of the macro 
llvm-svn: 38677
 2006-07-06 04:49:18 +00:00
Chris Lattner ae41157ee5 Implement support for arbitrarily mapping non-error diagnostics to be either 
ignored, warned about, or error'd.  Use this to implement the -Wunused_macros
command line option.

llvm-svn: 38676
 2006-07-05 00:55:08 +00:00
Chris Lattner d3a15f7f4e Add a fast-path in getSpelling for identifiers. 
llvm-svn: 38672
 2006-07-04 23:01:03 +00:00
Chris Lattner ef9eae1c44 Change the Preprocessor::getSpelling interface to let it be zero-copy in 
the common case.

llvm-svn: 38671
 2006-07-04 22:33:12 +00:00
Chris Lattner 5f084fd5fc Add newline at end of file 
llvm-svn: 38657
 2006-07-04 19:03:36 +00:00
Chris Lattner e3519cc948 Change EvaluateValue/EvaluateDirectiveSubExpr to be static functions in 
PPExpressions.cpp instead of methods.

llvm-svn: 38652
 2006-07-04 18:11:39 +00:00
Chris Lattner c79f6fb108 Rename IdentifierTokenInfo -> IdentifierInfo. 
llvm-svn: 38650
 2006-07-04 17:53:21 +00:00
Chris Lattner a8654ca2cf Eliminate MultipleIncludeOpt::ReadDirective and all calls to it. Any directives 
that are lexed are made up of tokens, so the calls are just ugly and redundant.

Hook up the MIOpt for the #if case.  PPCExpressions doesn't currently implement
the hook though, so we still don't handle #if !defined(X) with the MIOpt.

llvm-svn: 38649
 2006-07-04 17:42:08 +00:00
Chris Lattner 3665f161ca Implement the multiple-include file optimization. 
llvm-svn: 38647
 2006-07-04 07:26:10 +00:00
Chris Lattner 371ac8a9b7 Implement the automaton for recognizing files with controlling macros. 
llvm-svn: 38646
 2006-07-04 07:11:10 +00:00
Chris Lattner 01d66cc891 Implement #ident and #sccs 
llvm-svn: 38643
 2006-07-03 22:16:27 +00:00
Chris Lattner d7de629c32 Move a method inline 
llvm-svn: 38639
 2006-07-03 06:05:41 +00:00
Chris Lattner bd07659488 Move a PragmaNamespace method out of line, add class comment for PragmaNamespace. 
llvm-svn: 38637
 2006-07-03 05:34:49 +00:00
Chris Lattner 13044d942d Implement -Wunused-macros functionality. 
llvm-svn: 38632
 2006-07-03 05:16:44 +00:00
Chris Lattner 4ec473f871 Add support to track the real top-level file. 
llvm-svn: 38630
 2006-07-03 05:16:05 +00:00
Chris Lattner 91cbf11c10 Add a new IdentifierVisitor class and a new IdentifierTable::VisitIdentifiers 
method to support iteration over all identifiers.

llvm-svn: 38628
 2006-07-03 04:28:52 +00:00
Chris Lattner 44f8a66bcc Fix test/Preprocessor/macro_defined.c, factor some code. 
llvm-svn: 38627
 2006-07-03 01:27:27 +00:00
Chris Lattner aaf09115c4 Implement a FIXME: reject '#define defined'. 
llvm-svn: 38625
 2006-07-03 01:17:59 +00:00
Chris Lattner e3e81ea8aa Refactor some code into a new Lexer::Stringify method. 
llvm-svn: 38624
 2006-07-03 01:13:26 +00:00
Chris Lattner a37664b3fb Move a virtual method out-of-line 
llvm-svn: 38617
 2006-07-02 22:45:51 +00:00
Chris Lattner 1840e491dc Remove Lexer::BufferStart, an unneeded instance var. 
llvm-svn: 38615
 2006-07-02 22:30:01 +00:00
Chris Lattner ecfeafe3ba Fix some minor bugs handling _Pragma, including 
test/Preprocessor/_Pragma_syshdr.c

llvm-svn: 38609
 2006-07-02 21:26:45 +00:00
Chris Lattner ef0dbae5ab remove dead ivar 
llvm-svn: 38607
 2006-07-02 21:17:13 +00:00
Chris Lattner 69772b026e Implement the _Pragma-style of pragma handling, implementing 
test/Preprocessor/_Pragma-poison.c.

This unifies the MacroStack and IncludeStack together into IncludeMacroStack.

llvm-svn: 38606
 2006-07-02 20:34:39 +00:00
Chris Lattner 4cca5ba7da Allow the buffer start/end positions to be optionally specified. Make sure 
to use them instead of the current buffer start/end when computing diagnostics.

llvm-svn: 38603
 2006-07-02 20:05:54 +00:00
Chris Lattner 847e0e4552 Implement __TIMESTAMP__ 
llvm-svn: 38602
 2006-07-01 23:49:16 +00:00
Chris Lattner c1283b90a0 Implement __INCLUDE_LEVEL__ and __BASE_FILE__ 
llvm-svn: 38601
 2006-07-01 23:16:30 +00:00
Chris Lattner 630b33c39e Implement __FILE__ 
llvm-svn: 38600
 2006-07-01 22:46:53 +00:00
Chris Lattner 4c37a8c353 Eliminate SourceManager::createFileIDForMacroExp, inlining it into its single use. 
llvm-svn: 38599
 2006-06-30 06:15:08 +00:00
Chris Lattner c673f905d8 Implement the __TIME__ and __DATE__ builtin macros. 
llvm-svn: 38597
 2006-06-30 06:10:41 +00:00
Chris Lattner 7d6a4f6746 Expose a useful helper method. 
llvm-svn: 38596
 2006-06-30 06:10:08 +00:00
Chris Lattner 098dfc5e7e Expose a new form of the getToken method. 
llvm-svn: 38595
 2006-06-30 06:09:36 +00:00
Chris Lattner 2dffd2b445 Factor logical line lookup better. 
llvm-svn: 38594
 2006-06-29 16:44:08 +00:00
Chris Lattner 0b8cfc2e69 Implement the __LINE__ builtin macro. 
llvm-svn: 38589
 2006-06-28 06:49:17 +00:00
Chris Lattner 3690f1513a Initial implementation of the ScratchBuffer class. 
llvm-svn: 38588
 2006-06-28 06:48:36 +00:00
Chris Lattner ec43eaf07a Add a new SourceBuffer::getNewMemBuffer method. 
llvm-svn: 38587
 2006-06-28 06:35:31 +00:00
Chris Lattner 677757a2c0 Remove dead variables. 
Add initial support for builtin macros, including warning if they are defined or undefined.
Register __LINE__ as a builtin macro.

llvm-svn: 38586
 2006-06-28 05:26:32 +00:00
Chris Lattner 274690ce76 Reindent comments. 
llvm-svn: 38585
 2006-06-28 05:25:35 +00:00
Chris Lattner f373a4af56 Refactor HandleIdentifier to pull macro expansion into its own method. 
llvm-svn: 38583
 2006-06-26 06:16:29 +00:00
Chris Lattner e9a5e18e47 remove some obsolete comments 
llvm-svn: 38582
 2006-06-26 06:08:38 +00:00
Chris Lattner 67b07cb6fe Implement Preprocessor/macro_expandloc.c by giving the optimized macro 
expansion case a correct source location.

llvm-svn: 38580
 2006-06-26 02:03:42 +00:00
Chris Lattner f6fd68add5 Fix Preprocessor/macro_expandloc2.c 
llvm-svn: 38579
 2006-06-26 01:48:23 +00:00
Chris Lattner 685730f964 To not treat macro invocation locations as part of the include stack 
when reporting a diagnostic.

llvm-svn: 38577
 2006-06-26 01:36:22 +00:00
Chris Lattner 269c232e67 implement #pragma GCC dependency 
llvm-svn: 38574
 2006-06-25 06:23:00 +00:00
Chris Lattner 55a60954f9 Implement #pragma GCC system_header 
llvm-svn: 38569
 2006-06-25 04:20:34 +00:00
Chris Lattner 1786217e0b Finish implementation of #pragma once. Implement #pragma GCC poison. 
llvm-svn: 38568
 2006-06-24 22:12:56 +00:00
Chris Lattner b876183219 implement the pragma handling infrastructure. The only pragma so far is 
#pragma once, and it is not completely implemented.

llvm-svn: 38566
 2006-06-24 21:31:03 +00:00
Chris Lattner c899718274 Track which headers are system and non-C++-clean-system headers. Use this 
information to print the 3/4 flags correctly on #line directives emitted
in -E mode.

llvm-svn: 38562
 2006-06-22 05:52:16 +00:00
Chris Lattner 0c885f5581 Improve #line emission in -E mode to include file entry/exits. This is 
still pretty hacky because it doesn't compute the 3/4 markers correctly.

llvm-svn: 38561
 2006-06-21 06:50:18 +00:00
Chris Lattner 9a13bde643 Implement a new SourceManager::getSourceName method 
llvm-svn: 38560
 2006-06-21 04:57:09 +00:00
Chris Lattner bb893c3d67 Update SourceManager::getLineNumber to return the correct line # for macro 
instantiations.

llvm-svn: 38558
 2006-06-21 03:27:29 +00:00
Chris Lattner 30709b038d Implement a new type of FileID: FileIDInfo::MacroExpansion. For tokens that 
came from a macro expansion, this allows us to keep track of both where the
character data came from and where the logical position of the token is (at
the expansion site).  This implements Preprocessor/indent_macro.c, and
reduces the number of cpp iostream -E diffs vs GCC from 2589 to 2297.

llvm-svn: 38557
 2006-06-21 03:01:55 +00:00
Chris Lattner 5f4b1ff9fd Modify SourceManager to make way for future macro locations and #line support 
no functionality change yet

llvm-svn: 38556
 2006-06-20 05:02:40 +00:00
Chris Lattner 8bb4edb236 remove an extraneous method 
llvm-svn: 38554
 2006-06-18 16:37:30 +00:00
Chris Lattner 50b497e072 Rename LexerToken::getSourceLocation -> getLocation 
llvm-svn: 38553
 2006-06-18 16:32:35 +00:00
Chris Lattner 5b4876807a Move the LexerToken definition out to LexerToken.h 
llvm-svn: 38552
 2006-06-18 16:28:59 +00:00
Chris Lattner d01e291332 Make a fundamental change to the way we represent the location of LexerToken's. 
Now, instead of keeping a pointer to the start of the token in memory, we keep the
start of the token as a SourceLocation node.  This means that each LexerToken knows
the full include stack it was created with, and means that the LexerToken isn't
reliant on a "CurLexer" member to be around (lexer tokens would previously go out of
scope when their lexers were deallocated).

This simplifies several things, and forces good cleanup elsewhere.  Now the
Preprocessor is the one that knows how to dump tokens/macros and is the one that
knows how to get the spelling of a token (it has all the context).

llvm-svn: 38551
 2006-06-18 16:22:51 +00:00
Chris Lattner 7e0dd2b11f Fix a fixme by passing language options into LexerToken::dump, instead of 
relying on TheLexer.

llvm-svn: 38549
 2006-06-18 07:44:41 +00:00
Chris Lattner 33ce7283ee Change the token representation to take a Start and Length instead of a 
Start/End pointer.

llvm-svn: 38548
 2006-06-18 07:35:33 +00:00
Chris Lattner 1f5830546a Make a method a static function 
llvm-svn: 38543
 2006-06-18 06:53:56 +00:00
Chris Lattner 7966aafd9b Simplify an API 
llvm-svn: 38541
 2006-06-18 06:50:36 +00:00
Chris Lattner cb28334ea4 Remove manual conditional error handling code. 
llvm-svn: 38540
 2006-06-18 06:48:37 +00:00
Chris Lattner 22eb972f38 Initial checkin of c-language parser 
llvm-svn: 38539
 2006-06-18 05:43:12 +00:00