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163 Commits

Author SHA1 Message Date
Douglas Gregor ffed1cb339 Introduce a limit on the depth of the template instantiation backtrace 
we will print with each error that occurs during template
instantiation. When the backtrace is longer than that, we will print
N/2 of the innermost backtrace entries and N/2 of the outermost
backtrace entries, then skip the middle entries with a note such as:

  note: suppressed 2 template instantiation contexts; use
  -ftemplate-backtrace-limit=N to change the number of template
  instantiation entries shown

This should eliminate some excessively long backtraces that aren't
providing any value.

llvm-svn: 101882
 2010-04-20 07:18:24 +00:00
Chris Lattner b35583df52 add a new driver-level -ferror-limit=412 option, which causes clang to stop 
emitting diagnostics after it has produced that many errors.  Give this a
default value of 20 which produces plenty of errors for people to fix before
recompiling but not so many that their entire console scrolls away when the
compiler gets confused.  The experience looks like this:

$ clang foo.c
<tons of crap>
foo.c:102:3: error: unknown type name 'somethingbad'
  somethingbad x;
  ^
fatal error: too many errors emitted, stopping now
36 warnings and 20 errors generated.

llvm-svn: 100689
 2010-04-07 20:49:23 +00:00
Blaine Garst 55050630a9 improved wording around ABI 
llvm-svn: 100536
 2010-04-06 17:46:43 +00:00
Rafael Espindola fcc4739089 Document common clang compatibility issues. 
Patch by Zhanyong Wan.

llvm-svn: 98708
 2010-03-17 04:31:53 +00:00
Blaine Garst a41f71212a fix copyright & typo 
llvm-svn: 98688
 2010-03-16 22:02:16 +00:00
Chris Lattner 87c5e2f5d4 update link 
llvm-svn: 98682
 2010-03-16 21:43:03 +00:00
Blaine Garst ade4303e2b at least give the Apple ABI a name that reflects Apple in prep for other ABI specs that might come along 
llvm-svn: 98678
 2010-03-16 21:22:41 +00:00
Blaine Garst 1832cdb2d3 rev existing doc to account for recent ABI changes 
llvm-svn: 98676
 2010-03-16 21:21:07 +00:00
Erick Tryzelaar e62248a79c Use LLVM's new DESTDIR-less PROJ_* variables. 
llvm-svn: 97744
 2010-03-04 20:57:19 +00:00
Douglas Gregor bb26a92239 Update Clang C++ status, with a more project-centric focus. 
llvm-svn: 95455
 2010-02-05 23:51:14 +00:00
Owen Anderson 029eb7d243 Clarify the documentation of ext_vector, and add a small example. Hopefully 
this will alleviate some confusion about the existence of this feature.

Comments/improvements welcome.

llvm-svn: 94645
 2010-01-27 01:22:36 +00:00
John McCall 98757030a4 Document the extensions I made to the diagnostics-formatting system yesterday. 
llvm-svn: 93439
 2010-01-14 19:12:17 +00:00
Douglas Gregor b89b99f1f2 Fix pasto in __has_feature(cxx_lambdas) docs 
llvm-svn: 93320
 2010-01-13 16:27:49 +00:00
Alexis Hunt af4e28d897 Add a bunch more feature-checking macros for C++0x features. Some of these are 
disabled with the intent that users can start with them now and not have to change
a thing to have them work when we implement the features.

llvm-svn: 93312
 2010-01-13 08:31:49 +00:00
Nuno Lopes 641fdce235 revert part of my last patch, and mark only the c++ global new operator as noalias. the rest will be infered by llvm optz 
llvm-svn: 91600
 2009-12-17 10:15:49 +00:00
Nuno Lopes ff22e5e8cb document -fno-assume-sane-operator-new, per Chris request. 
please review for English grammar mistakes

llvm-svn: 91599
 2009-12-17 10:00:52 +00:00
Mike Stump 64a03454c6 Refine a little. WIP. 
llvm-svn: 91502
 2009-12-16 03:25:12 +00:00
Mike Stump 11ba8d989c Add some documentation for recent checkins. WIP. 
llvm-svn: 91500
 2009-12-16 03:18:14 +00:00
Mike Stump 68943780a6 Add documentation for recently added code. WIP. 
llvm-svn: 91367
 2009-12-14 23:53:10 +00:00
Daniel Dunbar 0910cf54ac Update a few more docs references to clang-cc. 
llvm-svn: 91178
 2009-12-11 23:17:03 +00:00
Zhongxing Xu 9ad590125c brace completion. 
llvm-svn: 90833
 2009-12-08 05:05:26 +00:00
Ted Kremenek 72de23e8ab Fix typo. 
llvm-svn: 90390
 2009-12-03 02:06:43 +00:00
Ted Kremenek 71d7463797 Add __has_feature(cxx_exceptions) and __has_feature(cxx_rtti) to table of contents. 
llvm-svn: 90389
 2009-12-03 02:05:57 +00:00
Ted Kremenek 51540f9377 Add section on what language features __has_feature() supports for querying if they are enabled. 
llvm-svn: 90388
 2009-12-03 02:04:01 +00:00
Douglas Gregor 44ab140001 Fix a broken link 
llvm-svn: 86545
 2009-11-09 15:15:41 +00:00
John Thompson ac0b098d4d Added __has_include and __has_include_next. 
llvm-svn: 85834
 2009-11-02 22:28:12 +00:00
Rafael Espindola bb85c2644a Document -nobuiltininc 
llvm-svn: 85188
 2009-10-27 00:29:40 +00:00
Chris Lattner bf20638966 Implement __builtin_unreachable(), a GCC 4.5 extension. 
llvm-svn: 82433
 2009-09-21 03:09:59 +00:00
Chris Lattner c15c252007 grammaro 
llvm-svn: 82070
 2009-09-16 18:56:12 +00:00
Mike Stump b4bed3a497 Collapse more clang version numbers down into fewer places. 
llvm-svn: 81983
 2009-09-16 01:26:05 +00:00
Mike Stump e18856dad1 Back to 1.1 we go. 
llvm-svn: 81944
 2009-09-15 23:04:22 +00:00
Chris Lattner f8122966a9 clang tracks multiple levels of macro expansion 
llvm-svn: 81811
 2009-09-14 23:44:08 +00:00
Daniel Dunbar 5e2de9fe00 Some formatting tweaks to clang(1) 
llvm-svn: 81668
 2009-09-13 02:21:55 +00:00
Eli Friedman a3063cec14 As far as I know, there aren't any warning differences between -std=gnu99 and 
-std=c99 modes, etc.

llvm-svn: 80133
 2009-08-26 20:18:00 +00:00
Daniel Dunbar f944cc5347 Fix a few typos. 
llvm-svn: 78991
 2009-08-14 04:43:04 +00:00
Chris Lattner 7bad9ef8ae document the diagnostics pragmas, patch by Louis Gerbarg! 
llvm-svn: 75432
 2009-07-12 21:22:10 +00:00
Argyrios Kyrtzidis bff082aec9 Add documentation for the Index library to clang's web page. 
llvm-svn: 75222
 2009-07-10 03:41:36 +00:00
Douglas Gregor 0086a5a3bb Introduce the notion of "Relocatable" precompiled headers, which are built 
with a particular system root directory and can be used with a different
system root directory when the headers it depends on have been installed.
Relocatable precompiled headers rewrite the file names of the headers used
when generating the PCH file into the corresponding file names of the 
headers available when using the PCH file.

Addresses <rdar://problem/7001604>.

llvm-svn: 74885
 2009-07-07 00:12:59 +00:00
Nick Lewycky be42c11118 Fix "for all intensive purposes" to "for all intents and purposes". 
llvm-svn: 73323
 2009-06-14 04:08:08 +00:00
Chris Lattner 084776d08b fix typo 
llvm-svn: 73304
 2009-06-13 20:35:58 +00:00
Chris Lattner 60ac6b9dce a couple minor tweaks 
llvm-svn: 73296
 2009-06-13 18:11:10 +00:00
Chris Lattner b6f77af532 implement and document a new __has_feature and __has_builtin magic 
builtin preprocessor macro.  This appears to work with two caveats:
1) builtins are registered in -E mode, and 2) target-specific builtins
are unconditionally registered even if they aren't supported by the
target (e.g. SSE4 builtin when only SSE1 is enabled).

llvm-svn: 73289
 2009-06-13 07:13:28 +00:00
Eli Friedman 7983cb1dbe Minor formatting tweak. 
llvm-svn: 73251
 2009-06-12 20:11:05 +00:00
Eli Friedman 0f7d4455fe Fix a minor formatting mistake. 
llvm-svn: 73250
 2009-06-12 20:08:48 +00:00
Eli Friedman 4e20479de8 Some updates to the gcc extension sections of the users manual. 
llvm-svn: 73249
 2009-06-12 20:04:25 +00:00
Eli Friedman 4d38aeb372 Minor documentation update about Microsoft extensions. 
llvm-svn: 73052
 2009-06-08 06:21:03 +00:00
Eli Friedman 3a80fc3808 Say a bit about various architectures in the users manual. 
llvm-svn: 73044
 2009-06-08 05:12:39 +00:00
Daniel Dunbar 15b86228cf Mention unsupported GCC duplicate-definition-with-inline extension. 
Also, link users manual from the main web page.

llvm-svn: 72878
 2009-06-04 18:37:52 +00:00
Douglas Gregor b48c6eb794 PTH -> PCH in the user manual 
llvm-svn: 72815
 2009-06-03 22:37:00 +00:00
Douglas Gregor 277d4d355b HTML tweak to get the PCH internals documentation to display correctly 
llvm-svn: 72813
 2009-06-03 21:57:43 +00:00