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18850 Commits

Author SHA1 Message Date
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