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49531 Commits

Author SHA1 Message Date
Chris Lattner
ee8760b21b Rename macroformalargs -> MacroArgs, as it represents the actual arguments, 
not the formal arguments, to a macro.

llvm-svn: 38716
 2006-07-15 07:42:55 +00:00
Chris Lattner
c653246bfb Eliminate the IdentifierInfo::IsMacroArg flag. 
llvm-svn: 38715
 2006-07-15 06:55:18 +00:00
Chris Lattner
6ae37dfba3 new testcase 
llvm-svn: 38714
 2006-07-15 06:53:24 +00:00
Chris Lattner
6016169cb8 The leading space flag of a stringized string matches that of the # operator. 
llvm-svn: 38713
 2006-07-15 06:48:02 +00:00
Chris Lattner
c783d1dff9 Implement the microsoft charize extension #@ 
llvm-svn: 38712
 2006-07-15 06:11:25 +00:00
Chris Lattner
2b271db205 Lex the microsoft 'charize' extension. 
llvm-svn: 38711
 2006-07-15 05:41:09 +00:00
Chris Lattner
f2781509f9 Add a comment giving an example of the error 
llvm-svn: 38710
 2006-07-15 05:27:44 +00:00
Chris Lattner
0707bd3042 Implement stringification. 
llvm-svn: 38709
 2006-07-15 05:23:58 +00:00
Chris Lattner
ecc39e9325 Change Lexer::Stringify to not add ""'s around the string. 
llvm-svn: 38708
 2006-07-15 05:23:31 +00:00
Chris Lattner
b935d8cd90 Set up infrastructure for function-like macro expansion with preexpansion 
stringizing, etc.

llvm-svn: 38707
 2006-07-14 06:54:44 +00:00
Chris Lattner
b94ec7b668 Add an API so that external clients can create strings in the scratch buffer. 
llvm-svn: 38706
 2006-07-14 06:54:10 +00:00
Chris Lattner
12a8178393 add a note 
llvm-svn: 38705
 2006-07-14 05:26:56 +00:00
Chris Lattner
f69f835398 new testcase 
llvm-svn: 38704
 2006-07-11 05:53:01 +00:00
Chris Lattner
041bef8b32 The lexer should not warn about stray characters, it should just return 
tok::unknown tokens.  This fixes test/Lexer/unknown-char.c

llvm-svn: 38703
 2006-07-11 05:52:53 +00:00
Chris Lattner
678c880a69 Move Preprocessor::isNextPPTokenLParen to Lexer::isNextPPTokenLParen, where 
it more rightly belongs.

llvm-svn: 38702
 2006-07-11 05:46:12 +00:00
Chris Lattner
3ebcf4e2cd Change Preprocessor::SkippingContents into Lexer::LexingRawMode. Raw mode 
is an intra-lexer property, not a inter-lexer property, so it makes sense
for it to be define here.  It also makes no sense for macros, and allows us
to define it more carefully in the header.

While I'm at it, improve comments and structuring in Lexer.h

llvm-svn: 38701
 2006-07-11 05:39:23 +00:00
Chris Lattner
69f88b883d Fix a regression on Preprocessor/hash_space.c 
llvm-svn: 38700
 2006-07-11 05:07:29 +00:00
Chris Lattner
d8aee0e81b Implement "lparen scanning" for lexer buffers, by making "skipping lexing" 
completely reversible.  This implements tests 3/4 of
test/Preprocessor/macro_fn_lparen_scan.c

llvm-svn: 38699
 2006-07-11 05:04:55 +00:00
Chris Lattner
b63d9de243 new tests 
llvm-svn: 38698
 2006-07-11 05:03:43 +00:00
Chris Lattner
a12dd15b56 ext-warn on empty macro arguments if in pre-c99 mode 
llvm-svn: 38697
 2006-07-11 04:09:02 +00:00
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
afe603fa7d Implement scanning-for-( more correctly. This implements 
test/Preprocessor/macro_fn_lparen_scan.c, but is not yet complete.

Add some FIXME's about missing diagnostics on empty macro args.  Improve some
comments.

llvm-svn: 38694
 2006-07-11 04:02:46 +00:00
Chris Lattner
53ede2a826 new testcase 
llvm-svn: 38693
 2006-07-11 04:00:23 +00:00
Chris Lattner
db878cde8e Add an interesting observation :) 
llvm-svn: 38692
 2006-07-10 06:34:50 +00:00
Chris Lattner
eb54b5973e Add simple optimization: check for (and skip) spaces and tabs immediately 
before lexing a token.  This speeds the common case where tokens are
separated by small amount of whitespace.  This makes a slight but
reproducible positive effect lexing a preprocessed carbon.h.

llvm-svn: 38691
 2006-07-10 06:34:27 +00:00
Chris Lattner
03f83485bd Only do an expensive walk over the entire identifier table if the diagnostic 
that needs it is enabled.

llvm-svn: 38690
 2006-07-10 06:16:26 +00:00
Chris Lattner
d0a96ba38a Add a simple but useful optimization for identifier lookup. Each time we 
query the hash table, when we look up an identifier that isn't at the head
of it's bucket's list, move it there.  This reduces the number of list
traversals in the common case where identifiers are used in bursts.

llvm-svn: 38689
 2006-07-10 06:10:51 +00:00
Chris Lattner
9e220173e6 add some notes about MS extensions 
llvm-svn: 38688
 2006-07-10 02:49:22 +00:00
Chris Lattner
3ce1d1aac9 Trivially expand macros like: 
#define ENOMEMORYFORYOU ENOMEMORYFORYOU

llvm-svn: 38687
 2006-07-09 01:00:18 +00:00
Chris Lattner
c239583433 Make trivial expansion detection more aggressive. Trivially expand macros 
like:  #define IS_BLAH() 1

llvm-svn: 38686
 2006-07-09 00:57:04 +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
ecbf7b4bb0 add newline to end of file 
llvm-svn: 38675
 2006-07-05 00:08:00 +00:00
Chris Lattner
27746e476a Fix Preprocessor/macro_space.c, which failed because the ! token had 
identifier info incorrectly set.

llvm-svn: 38674
 2006-07-05 00:07:54 +00:00
Chris Lattner
67c3848e4e Cleanup some obsolete comments. 
llvm-svn: 38673
 2006-07-04 23:24:26 +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
a3f827e0a6 add a comment explaining why this is written funny 
llvm-svn: 38670
 2006-07-04 22:22:45 +00:00
Chris Lattner
f46be6cb02 Switch to using unix "write" when available, instead of stdio. This speeds up 
-E -P mode by 10% (i.e. takes away almost all i/o time).

llvm-svn: 38669
 2006-07-04 22:19:33 +00:00
Chris Lattner
728b4dc26a improve comments 
llvm-svn: 38668
 2006-07-04 21:28:37 +00:00
Chris Lattner
ff3f5f4b77 fix compile error 
llvm-svn: 38667
 2006-07-04 21:25:59 +00:00