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173 Commits

Author SHA1 Message Date
Chris Lattner
34d1f5a8de adjust to CStringMap interface change. 
llvm-svn: 39333
 2007-02-08 19:08:49 +00:00
Chris Lattner
652c16924e Produce a nice error message for '#define and' in C++. Patch by Bill! 
llvm-svn: 39218
 2006-11-21 23:47:30 +00:00
Chris Lattner
2bb8a95389 eliminate string compares when checking for the 'defined' token. 
llvm-svn: 39216
 2006-11-21 22:24:17 +00:00
Chris Lattner
5b9f4891d7 Add support for C++ operator keywords. Patch by Bill Wendling. 
llvm-svn: 39214
 2006-11-21 17:23:33 +00:00
Chris Lattner
b352e3edb5 Change KeepComments/KeepMacroComments modes to be facets of the preprocessor 
state, not aspects of the language standard being parsed.

llvm-svn: 39209
 2006-11-21 06:17:10 +00:00
Chris Lattner
ad7cdd37b3 simplify the Preprocessor ctor. 
llvm-svn: 39208
 2006-11-21 06:08:20 +00:00
Chris Lattner
b8d6d5a81d Formalize preprocessor callbacks together into a PPCallbacks structure, instead 
of having a loose collection of function pointers.  This also allows clients to
maintain state, and reduces the size of the Preprocessor.h interface.

llvm-svn: 39203
 2006-11-21 04:09:30 +00:00
Chris Lattner
cf6bc66421 silence some warnings when asserts are disabled. 
llvm-svn: 39127
 2006-11-05 07:59:08 +00:00
Chris Lattner
c07ba1fe2f Refactor the paths used for checking and getting the spelling of #include 
filenames (and also '#pragma GCC dependency' of course).  Now, assuming
no cleaning is needed, we can go all the way from lexing the filename to
doing filename lookups with no mallocs.  This speeds up user PP time from
0.077 to 0.075s for Cocoa.h (2.6%).

llvm-svn: 39092
 2006-10-30 05:58:32 +00:00
Chris Lattner
b8b94f1e9b Make Preprocessor::LookupFile take a character range instead of a string. 
This avoids some copying in its clients.

llvm-svn: 39091
 2006-10-30 05:38:06 +00:00
Chris Lattner
7cdbad945d Push strings out of the HeaderSearch interface, it now deals solely with 
character ranges.

llvm-svn: 39090
 2006-10-30 05:33:15 +00:00
Chris Lattner
2b9e19be87 Pull the string hashtable out of the IdentifierTable, moving into LLVM's 
libsupport.  Now it can be used for other things besides identifier hashing.

llvm-svn: 39079
 2006-10-29 23:43:13 +00:00
Chris Lattner
bcb416bbd5 Implement test/Preprocessor/comment_save_if.c 
llvm-svn: 39069
 2006-10-27 05:43:50 +00:00
Chris Lattner
07b019a1bc add #include 
llvm-svn: 39034
 2006-10-22 07:28:56 +00:00
Chris Lattner
5c683b2b4b Fix a regression introduced when adding subframework support 
llvm-svn: 39022
 2006-10-20 05:12:14 +00:00
Chris Lattner
62aa0d4c9f Implement test/Preprocessor/macro_arg_keyword.c 
llvm-svn: 39021
 2006-10-20 05:08:24 +00:00
Chris Lattner
63dd32b656 Implement subframework lookup 
llvm-svn: 39015
 2006-10-20 04:42:40 +00:00
Chris Lattner
25e0d54a0e Move keyword setup from the preprocessor into the IdentifierTable class. 
llvm-svn: 39014
 2006-10-18 06:07:05 +00:00
Chris Lattner
59a9ebdb17 refactor header searching stuff out of the main Preprocessor object into 
it's own HeaderSearch object.  This makes Preprocessor simpler and easier
to understand.

llvm-svn: 39012
 2006-10-18 05:34:33 +00:00
Chris Lattner
ff777c38dc silence warning, add hacky patch for framework lookup 
llvm-svn: 39011
 2006-10-18 04:03:13 +00:00
Chris Lattner
720f2700b1 Make the identifier table track objc keywords 
llvm-svn: 39003
 2006-10-17 04:03:44 +00:00
Chris Lattner
87d3bec423 Make preprocessor keywords like 'define' first class citizens in the 
IdentifierTable, instead of making them resort to strcmp'ing.

llvm-svn: 39002
 2006-10-17 03:44:32 +00:00
Chris Lattner
6e5b2a084e ignore '#line' and '# 123' for now. 
llvm-svn: 38997
 2006-10-17 02:53:32 +00:00
Chris Lattner
063400e46e Implement the #define_other_target directive. 
llvm-svn: 38984
 2006-10-14 19:54:15 +00:00
Chris Lattner
81278c6356 Implement the #define_target preprocessor directive. 
llvm-svn: 38980
 2006-10-14 19:03:49 +00:00
Chris Lattner
02dffbda3b Write up TargetInfo so that use of wchar_t strings results in a warning if 
used in a target set where the size is not identical.

llvm-svn: 38975
 2006-10-14 07:50:21 +00:00
Chris Lattner
8c2048710d Rename LexerToken methods to be more consistent. 
llvm-svn: 38969
 2006-10-14 05:19:21 +00:00
Chris Lattner
d3e9895b9a Initial support for semantic analysis and AST building for StringExpr nodes. 
llvm-svn: 38960
 2006-10-06 05:22:26 +00:00
Chris Lattner
6d998556de Fix precedence problem 
llvm-svn: 38809
 2006-08-04 06:11:48 +00:00
Chris Lattner
95a06b34f7 Simplify implementation of varargs macros by adding the __VA_ARGS__ token 
to the formal argument list of a C99 varargs macro.

llvm-svn: 38800
 2006-07-30 08:40:43 +00:00
Chris Lattner
273ddd5c57 The optimized case has to treat __VA_ARGS__ as an argument. This fixes 
test/Preprocessor/macro_rescan_varargs.c

llvm-svn: 38795
 2006-07-29 07:33:01 +00:00
Chris Lattner
f76e62ecad Implement support for #__VA_ARGS__ 
llvm-svn: 38791
 2006-07-29 07:14:41 +00:00
Chris Lattner
457fc15bc5 Implement comment saving mode: the -C and -CC options. 
llvm-svn: 38783
 2006-07-29 06:30:25 +00:00
Chris Lattner
775d832110 Implement the GNU comma swallowing extension. This implements 
test/Preprocessor/macro_fn_comma_swallow.c

llvm-svn: 38780
 2006-07-29 04:39:41 +00:00
Chris Lattner
02f1f4f28b Fix a bug in previous commit 
llvm-svn: 38774
 2006-07-29 03:52:46 +00:00
Chris Lattner
6d9f8ed3b6 No need for explicit underscore anymore. 
llvm-svn: 38773
 2006-07-29 03:52:06 +00:00
Chris Lattner
7e37483f14 Poison and unpoison __VA_ARGS__ when appropriate 
llvm-svn: 38770
 2006-07-29 03:46:57 +00:00
Chris Lattner
e7a5130dff If the varargs token is missing, add an empty argument to represent it. This 
fixes Preprocessor/macro_fn_varargs_named.c

llvm-svn: 38769
 2006-07-29 01:25:12 +00:00
Chris Lattner
6e4bf523e6 Implement C99 6.10.3.4p2, testcase here: Preprocessor/macro_disable3.c. 
llvm-svn: 38760
 2006-07-27 06:59:25 +00:00
Chris Lattner
7a4af3b73d Change Preprocessor::ReadFunctionLikeMacroArgs to use a SmallVector to lex 
argument tokens into instead of a real vector.  This avoids some malloc
traffic in common cases.  In an "abusive macro expansion" testcase, this
reduced -Eonly time by 25%.

llvm-svn: 38757
 2006-07-26 06:26:52 +00:00
Chris Lattner
c1410dc1e6 Change MacroArgs to allocate space for the unexpanded tokens immediately after 
the MacroArgs object itself.  This is a bit more efficient and will be even more
so shortly.

llvm-svn: 38756
 2006-07-26 05:22:49 +00:00
Chris Lattner
7021657a0f Implement a FIXME: don't copy token array into a token vector, instead, macroexpander should expand from an array directly. 
llvm-svn: 38754
 2006-07-26 03:50:40 +00:00
Chris Lattner
36b6e8134e speed up a brutal macro-expansion torture test by about 30% (1.5 -> 1.0s) 
by turning vectors of vectors into a single vector, reducing pressure on
malloc.  This can still be improved.

llvm-svn: 38753
 2006-07-21 06:38:30 +00:00
Chris Lattner
510ab61fd3 Add optimization for identifier##identifier -> identifier, the most common case of token pasting. 
llvm-svn: 38747
 2006-07-20 04:47:30 +00:00
Chris Lattner
538d7f3c27 Simplify "raw lexing mode" even further. Now the preprocessor is only called 
into when a hard error is found.  This simplifies logic and eliminates the need
for the preprocessor to know about raw mode.

llvm-svn: 38746
 2006-07-20 04:31:52 +00:00
Chris Lattner
0f1f50517b Simplify identifier lookup in raw mode, implementing Preprocessor/macro_fn_lparen_scan2.c. 
llvm-svn: 38744
 2006-07-20 04:16:23 +00:00
Chris Lattner
30a2fa14ae Move LexingRawMode handling of file EOF out of the preprocessor into the 
lexer.  This makes more logical sense and also unbreaks the case when the
lexer hasn't been pushed onto the PP include stack.  This is the case when
pasting identifiers.  This patch implements macro_paste_bcpl_comment.c.

llvm-svn: 38736
 2006-07-19 06:31:49 +00:00
Chris Lattner
2183a6e8f4 Make end-of-file handling much less recursive. This reduces the worst case 
stack depth sampled by shark from ~34 to ~17 frames when preprocessing <iostream>.

llvm-svn: 38726
 2006-07-18 06:36:12 +00:00
Chris Lattner
7667d0d942 Implement support for lexing from a pre-constructed token stream. 
Use this support to implement function-like macro argument preexpansion.

This implements test/Preprocessor/macro_fn_preexpand.c

llvm-svn: 38724
 2006-07-16 18:16:58 +00:00
Chris Lattner
2ada5d3890 More changes from formals -> actuals. 
llvm-svn: 38717
 2006-07-15 07:51:24 +00:00