History log of /external/clang/lib/Basic/DiagnosticIDs.cpp
Revision Date Author Comments (<<< Hide modified files) (Show modified files >>>)
fc09336a5965040736f9bc63a70416003972364e 01-Mar-2013 Stefanus Du Toit <stefanus.dutoit@rapidmind.com> Fix typos: [Dd]iagnosic -> [Dd]iagnostic

These all appear in comments or (ironically) diagnostics output.


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/external/clang/lib/Basic/DiagnosticIDs.cpp
cfa88f893915ceb8ae4ce2f17c46c24a4d67502f 12-Jan-2013 Dmitri Gribenko <gribozavr@gmail.com> Remove useless 'llvm::' qualifier from names like StringRef and others that are
brought into 'clang' namespace by clang/Basic/LLVM.h


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/external/clang/lib/Basic/DiagnosticIDs.cpp
35abfcd3285ad82fa269b8f2468dee01a4dceb52 02-Jan-2013 Argyrios Kyrtzidis <akyrtzi@gmail.com> DiagnosticIds: Fix offset/ID calculation, no impact outside this code.

Patch by Will Dietz:

Minor touchup so the values of Offset/ID reflect their intention.
Previously, the sum (Offset+ID) was correct, but Offset/ID
individually were wrong.

Caught by investigating unsigned overflow reported by -fsanitize=integer.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
a07b59e5e9b55033239c80552094421a01b75c8a 11-Dec-2012 Benjamin Kramer <benny.kra@googlemail.com> Speed up looking up static diagnostic infos.

Instead of doing a binary search over the whole diagnostic table (which weighs
a whopping 48k on x86_64), use the existing enums to compute the index in the
table. This avoids loading any unneeded data from the table and avoids littering
CPU caches with it. This code is in a hot path for code with many diagnostics.

1% speedup on -fsyntax-only gcc.c, which emits a lot of warnings.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
12f37e411462b8388eb1309357bd62257debacac 07-Dec-2012 DeLesley Hutchins <delesley@google.com> Fix analysis based warnings so that all warnings are emitted when compiling
with -Werror. Previously, compiling with -Werror would emit only the first
warning in a compilation unit, because clang assumes that once an error occurs,
further analysis is unlikely to return valid results. However, warnings that
have been upgraded to errors should not be treated as "errors" in this sense.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
55fc873017f10f6f566b182b70f6fc22aefa3464 04-Dec-2012 Chandler Carruth <chandlerc@gmail.com> Sort all of Clang's files under 'lib', and fix up the broken headers
uncovered.

This required manually correcting all of the incorrect main-module
headers I could find, and running the new llvm/utils/sort_includes.py
script over the files.

I also manually added quite a few missing headers that were uncovered by
shuffling the order or moving headers up to be main-module-headers.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
1c84c68b6d7a92416493ab6c36f630de48c65d08 28-Sep-2012 Daniel Jasper <djasper@google.com> Set Diag.ErrorOccurred even if a DiagnosticConsumer does not want it in
diagnostic count.

If a DiagnosticConsumer sub-class overwrites IncludeInDiagnosticCounts,
this should change diagnostic counts. However, it currently also
influences Diag.ErrorOccurred, which in turn influences the behavior of
parsing and semantic analysis (in a way that can make it crash).

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/external/clang/lib/Basic/DiagnosticIDs.cpp
a5ef44ff5d93a3be6ca67782828157a71894cf0c 11-Jul-2012 Dmitri Gribenko <gribozavr@gmail.com> Enable comment parsing and semantic analysis to emit diagnostics. A few
diagnostics implemented -- see testcases.

I created a new TableGen file for comment diagnostics,
DiagnosticCommentKinds.td, because comment diagnostics don't logically
fit into AST diagnostics file. But I don't feel strongly about it.

This also implements support for self-closing HTML tags in comment
lexer and parser (for example, <br />).

In order to issue precise diagnostics CommentSema needs to know the
declaration the comment is attached to. There is no easy way to find a decl by
comment, so we match comments and decls in lockstep: after parsing one
declgroup we check if we have any new, not yet attached comments. If we do --
then we do the usual comment-finding process.

It is interesting that this automatically handles trailing comments.
We pick up not only comments that precede the declaration, but also
comments that *follow* the declaration -- thanks to the lookahead in
the lexer: after parsing the declgroup we've consumed the semicolon
and looked ahead through comments.

Added -Wdocumentation-html flag for semantic HTML errors to allow the user to
disable only HTML warnings (but not HTML parse errors, which we emit as
warnings in -Wdocumentation).



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/external/clang/lib/Basic/DiagnosticIDs.cpp
c6d64a26c28bbeee50e06c94c4f4c08e610327b7 11-Jul-2012 Jordan Rose <jordan_rose@apple.com> Emit -verify diagnostics even when we have a fatal error.

Previously we'd halt at the fatal error as expected, but not actually emit
any -verify-related diagnostics. This lets us catch cases that emit a
/different/ fatal error from the one we expected.

This is implemented by adding a "force emit" mode to DiagnosticBuilder, which
will cause diagnostics to immediately be emitted regardless of current
suppression. Needless to say this should probably be used /very/ sparingly.

Patch by Andy Gibbs! Tests for all of Andy's -verify patches coming soon.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
30660a898545416f0fea2d717f16f75640001e38 06-Mar-2012 Ted Kremenek <kremenek@apple.com> Add new code migrator support for migrating existing Objective-C code to use
the new Objective-C NSArray/NSDictionary/NSNumber literal syntax.

This introduces a new library, libEdit, which provides a new way to support
migration of code that improves on the original ARC migrator. We now believe
that most of its functionality can be refactored into the existing libraries,
and thus this new library may shortly disappear.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
6c44886ed05d7804bfd7b80857b81fd3477079f6 15-Feb-2012 David Blaikie <dblaikie@gmail.com> Provide common include for all diagnostic headers.

Reviewed by Ted Kremenek.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
d49cb20288b2dbc222aaf5673c1a4738c151b7bf 15-Feb-2012 Benjamin Kramer <benny.kra@googlemail.com> Store the warning option corresponding to a diagnostics as an index into the option table instead of storing the name.

Another 8 bytes + relocation removed from every diagnostic on x86_64.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
ceb15656fbab9ee1da319afa4934b8f6a5964758 15-Feb-2012 David Blaikie <dblaikie@gmail.com> Remove the unuseful -fdiagnostics-show-name

This option was added in r129614 and doesn't have any use case that I'm aware
of. It's possible that external tools are using these names - and if that's
the case we can certainly reassess the functionality, but for now it lets us
shave out a few unneeded bits from clang.

Move the "StaticDiagNameIndex" table into the only remaining consumer, diagtool.
This removes the actual diagnostic name strings from clang entirely.

Reviewed by Chris Lattner & Ted Kremenek.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
f94d392847fb183b3012dbcb2e372b586c80b9fb 09-Feb-2012 Benjamin Kramer <benny.kra@googlemail.com> Kill the brief and full explanation fields from StaticDiagInfoRec. They were unused and wasted space for nothing.

- per PR11952.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
cbf46a0b2bb2b47d6e13437e0d52cc583c5ce539 03-Feb-2012 Argyrios Kyrtzidis <akyrtzi@gmail.com> Change the fixed array of FixitHints to a SmallVector to lift off
the limit on the number of fixits.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
11583c757bac6ce5c342f2eb572055dd2619a657 27-Jan-2012 Argyrios Kyrtzidis <akyrtzi@gmail.com> Due to a bug, -Wno-everything works like -Weverything. Fix the bug by having
-Wno-everything remap all warnings to ignored.

We can now use "-Wno-everything -W<warning>" to ignore all warnings except
specific ones.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
561d3abc881033776ece385a01a510e1cbc1fa92 17-Jan-2012 David Blaikie <dblaikie@gmail.com> Remove unnecessary default cases in switches over enums.

This allows -Wswitch-enum to find switches that need updating when these enums are modified.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
a2398d7da920b896001f385587e7f7d3366e5b17 09-Dec-2011 Chandler Carruth <chandlerc@gmail.com> Separate the serialization library's diagnostics from the frontend's
diagnostics. Conflating them was highly confusing and makes it harder to
establish a firm layering separation between these two libraries.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
f3dee206ffa571b4541b8e777ee31dc8476d66da 28-Nov-2011 Daniel Dunbar <daniel@zuster.org> Fix some possible gcc-4.2 may be used uninitialized warnings.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
dce6327160a6e333137b34cce77e2dfc2cd5aab6 15-Nov-2011 Benjamin Kramer <benny.kra@googlemail.com> Warning option typo correction: When two options have the same edit_distance don't display either.

Also add a maximum edit distance threshold, so we don't correct "-Wx" to "-W#pragma-messages".

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/external/clang/lib/Basic/DiagnosticIDs.cpp
a70cb9db9dd79ca9fc1febbb2f331004297664e0 15-Nov-2011 Benjamin Kramer <benny.kra@googlemail.com> Print a typo correction hint for unknown warning flags.

$ clang -Wololo t.c
warning: unknown warning option '-Wololo'; did you mean '-Wall'? [-Wunknown-warning-option]

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/external/clang/lib/Basic/DiagnosticIDs.cpp
afdc21ad774eff6ed6c464e3f2dff9e26ed3d0b0 20-Oct-2011 Ted Kremenek <kremenek@apple.com> Further refine the diagnostic categories for ARC diagnostics. Addresses <rdar://problem/10245086>.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
18c407fcb25ea88a52ad48fcc4397c3616dd185d 12-Oct-2011 Bob Wilson <bob.wilson@apple.com> Change __extension__ to disable only diagnostics controlled by -pedantic.

This changes clang to match GCC's behavior for __extension__, which temporarily
disables the -pedantic flag. Warnings that are enabled without -pedantic
are not affected. Besides the general goodness of matching GCC's precedent,
my motivation for this is that macros in the arm_neon.h header need to use
__extension__ to avoid pedantic complaints about their use of statement
expressions, yet we still want to warn about incompatible pointer arguments
for those macros.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
aeacae523a1c6e5bb99d12754415bbbc3ccb86c9 29-Sep-2011 Daniel Dunbar <daniel@zuster.org> Basic/Diagnostic: Kill off a few unnecessary functions now that refactoring is done, and add a note that the new setDiagnosticGroup{...} methods only operate on the current diagnostic state.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
be1aa410274b28fc143c47c814f07c989f4534d6 29-Sep-2011 Daniel Dunbar <daniel@zuster.org> Basic/Diagnostics: Rewrite DiagnosticIDs::getDiagnosticLevel completely to be straighter line code, use the new DiagnosticMappingInfo flags, and eliminate the odd MAP_WARNING_NO_WERROR and friend mappings.
- This fixes a host of obscure bugs with regards to how warning mapping options composed with one another, and I believe makes the code substantially easier to read and reason about.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
a5e41333b06fdf036d58495490eb14d6a0a3fcf7 29-Sep-2011 Daniel Dunbar <daniel@zuster.org> Basic/Diagnostics: Add three explicit bits to DiagnosticMappingInfo to track "no-warning-as-error", "no-error-as-fatal", and "show-in-system-header", and update DiagnosticsEngine::setDiagnosticGroup{WarningAsError,ErrorAsFatal} and GetDefaultDiagMappingInfo to set them appropriately.
- No actual functionality change for now, we still also use the diag::Mapping::{MAP_WARNING_NO_ERROR,MAP_ERROR_NO_FATAL,MAP_WARNING_SHOW_IN_SYSTEM_HEADER} for a little while longer.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
3f8394669673451061f57ced81f0a2cae087f119 29-Sep-2011 Daniel Dunbar <daniel@zuster.org> Basic/Diagnostics: Add a DiagnosticIDs::getDiagnosticsInGroup method, and use
that in DiagnosticEngine instead of the convoluted calling into DiagnosticIDs
which then calls back into the DiagnosticsEngine.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
ba494c64365d78b1cdb6baea4d1e79263389fda9 29-Sep-2011 Daniel Dunbar <daniel@zuster.org> Basic/Diagnostic: Add a DiagSate::getOrAddMappingInfo method.
- Also, spell const_iterator as const_iterator.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
b1c99c679adb53be8f478d08be83af6c9c22ae4b 29-Sep-2011 Daniel Dunbar <daniel@zuster.org> Basic/Diagnostics: Add a DiagnosticMappingInfo helper class, and switch to
storing mappings with that instead of straying some magic constants about the
source.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
c3c4a89747e12ebc2eabe57265c8b69ab720ecbf 29-Sep-2011 Daniel Dunbar <daniel@zuster.org> Basic/Diagnostics: Eliminate getDiagnosticMappingInfo method, which wasn't worth methodizing.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
1656aaec223949245fdbebf306b719cba0b687ca 29-Sep-2011 Daniel Dunbar <daniel@zuster.org> Basic/Diagnostic: Eliminate the extra "mapping" out-parameter now that I killed the sole client.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
76101cfe52d1b56974bf0e316247b3201f87c463 29-Sep-2011 Daniel Dunbar <daniel@zuster.org> Basic/Diagnostics: Add an isDefaultMappingAsError method, and switch TextDiagnosticPrinter to use that instead of extracting the current mapping via getDiagnosticLevel, which fixes one class of corner cases w.r.t. printing the "-Werror" diagnostic option marker.
- The TextDiagnosticPrinter code is still fragile as it is just "reverse engineering" what the diagnostic engine is doing. Not my current priority to fix though.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
4213df3b5da21ce25a4541ca5c447eeb28b515a3 29-Sep-2011 Daniel Dunbar <daniel@zuster.org> Basic/Diagnostics: Split out the default warning "no-Werror" and
"show-in-system-header" bits, which is part of teasing them apart from the
diagnostic mapping kind.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
40847cfb58acc3cac7d68727df9455ac45f2e118 26-Sep-2011 David Blaikie <dblaikie@gmail.com> Rename DiagnosticInfo to Diagnostic as per issue 5397


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/external/clang/lib/Basic/DiagnosticIDs.cpp
d6471f7c1921c7802804ce3ff6fe9768310f72b9 26-Sep-2011 David Blaikie <dblaikie@gmail.com> Rename Diagnostic to DiagnosticsEngine as per issue 5397


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/external/clang/lib/Basic/DiagnosticIDs.cpp
9fe8c74a93ac8e92512615c5f83e7a328b3b0544 23-Sep-2011 David Blaikie <dblaikie@gmail.com> Fix missing includes for llvm_unreachable


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/external/clang/lib/Basic/DiagnosticIDs.cpp
b219cfc4d75f0a03630b7c4509ef791b7e97b2c8 23-Sep-2011 David Blaikie <dblaikie@gmail.com> Switch assert(0/false) llvm_unreachable.


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/external/clang/lib/Basic/DiagnosticIDs.cpp
1e473ccb0e0f6fd1954bef330f7193c1a3fb3ba1 18-Aug-2011 Ted Kremenek <kremenek@apple.com> Implement '-Weverything', which enables all warnings except those explicitly mapped to be ignored.

Currently this includes -pedantic warnings as well; we'll need to consider whether these should
be included.

This works as expected with -Werror.

Test cases were added to Sema/warn-unused-parameters.c, but they should probably be broken off into
their own test file.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
f1d594864b4aefc1fe21535cb43e8a81038f3f15 17-Aug-2011 Douglas Gregor <dgregor@apple.com> Fix -ferror-limit= to properly emit notes following the last error
messages. Fi from David Blaikie, tests from Nikola Smiljanic!


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/external/clang/lib/Basic/DiagnosticIDs.cpp
7c5109b0322058c1fb80222b71b380b2c7b10d4e 13-Aug-2011 Jeffrey Yasskin <jyasskin@google.com> Fix C++0x narrowing conversion errors in Clang.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
6948bc4bcbd92502d90b877780a3b746275efa5b 09-Aug-2011 Ted Kremenek <kremenek@apple.com> Provide diag_iterator for iterating over the built-in diagnostic IDs/names in the internal table of DiagnosticIDs.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
c0a575f9b791a25c94b1c3c832dd73ec564646bb 29-Jul-2011 Argyrios Kyrtzidis <akyrtzi@gmail.com> Make DiagnosticErrorTrap keep a count of the errors that occurred so multiple
DiagnosticErrorTraps can be composed (e.g. a trap inside another trap).

Fixes http://llvm.org/PR10462 & rdar://9852007.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
3201f382956ed9beee9fb31229c2835c1208889c 26-Jul-2011 Chandler Carruth <chandlerc@gmail.com> Clean up as many of the comments in Basic I can find to talk in terms of
'expansion' rather than 'instantiation' for macro source locations.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
402785357ab053dd53f4fdd858b9630a5e0f8bad 25-Jul-2011 Chandler Carruth <chandlerc@gmail.com> Mechanically rename SourceManager::getInstantiationLoc and
FullSourceLoc::getInstantiationLoc to ...::getExpansionLoc. This is part
of the API and documentation update from 'instantiation' as the term for
macros to 'expansion'.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
5f9e272e632e951b1efe824cd16acb4d96077930 23-Jul-2011 Chris Lattner <sabre@nondot.org> remove unneeded llvm:: namespace qualifiers on some core types now that LLVM.h imports
them into the clang namespace.


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/external/clang/lib/Basic/DiagnosticIDs.cpp
85bea9777d444ccbcc086d98f075fe666c2e865d 06-Jul-2011 Douglas Gregor <dgregor@apple.com> Keep track of when "unrecoverable" errors occur, then allow
clang_saveTranslationUnit() to save a PCH file if the only errors it
contains are recoverable errors. Fixes <rdar://problem/9727804>.


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/external/clang/lib/Basic/DiagnosticIDs.cpp
f85e193739c953358c865005855253af4f68a497 16-Jun-2011 John McCall <rjmccall@apple.com> Automatic Reference Counting.

Language-design credit goes to a lot of people, but I particularly want
to single out Blaine Garst and Patrick Beard for their contributions.

Compiler implementation credit goes to Argyrios, Doug, Fariborz, and myself,
in no particular order.



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/external/clang/lib/Basic/DiagnosticIDs.cpp
923cd5744a724d9302ea12baa5476ad1c37f474d 15-Jun-2011 John McCall <rjmccall@apple.com> Generate enumerators for diagnostic categories. Patch by Argyrios!
Depends on LLVM r133093.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133094 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/lib/Basic/DiagnosticIDs.cpp
81f9d14f0b987923b37e8e3e256cdfa71e95d4ae 14-Jun-2011 Benjamin Kramer <benny.kra@googlemail.com> StaticDiagNameIndex is never written to, place it into .rodata.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132990 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/lib/Basic/DiagnosticIDs.cpp
dbda513550aaea9f4106455a3fc6b584bacc77f2 13-Jun-2011 Benjamin Kramer <benny.kra@googlemail.com> Put classes into anonymous namespaces.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
477aab6782795e7472055a54108d2df270ce1a89 25-May-2011 Argyrios Kyrtzidis <akyrtzi@gmail.com> A StringRef-ication of the DiagnosticIDs API and internals.

Patch by Matthieu Monrocq with tweaks by me to avoid StringRefs in the static
diagnostic data structures, which resulted in a huge global-var-init function.

Depends on llvm commit r132046.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132047 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/lib/Basic/DiagnosticIDs.cpp
144bc08f5fe6046bd8e07de5e41a4237dd2c6275 22-Apr-2011 Argyrios Kyrtzidis <akyrtzi@gmail.com> Don't hide #warnings in a system header, same as gcc. Fixes rdar://8495837.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129951 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/lib/Basic/DiagnosticIDs.cpp
cfdadfe547015b916bd59aec892caa972ff76cf0 22-Apr-2011 Argyrios Kyrtzidis <akyrtzi@gmail.com> Move the check whether a diagnostic must be ignored because it is in a system header
inside DiagnosticIDs::getDiagnosticLevel.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129950 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/lib/Basic/DiagnosticIDs.cpp
7d2b8c1fcc2b707be78b09930a7767477822462f 16-Apr-2011 Douglas Gregor <dgregor@apple.com> Initial work to improve documentation for Clang's diagnostics, from Matthieu Monrocq

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/external/clang/lib/Basic/DiagnosticIDs.cpp
7decebfc7b9dc841f228c93cc2e41e3e62911ff8 25-Feb-2011 Ted Kremenek <kremenek@apple.com> Teach TextDiagnosticPrinter to print out '-Werror' in addition to the warning flag for a warning mapped to an error.

For example:

t.c:7:9: error: using the result of an assignment as a condition without parentheses [-Werror,-Wparentheses]

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/external/clang/lib/Basic/DiagnosticIDs.cpp
4814fb560322daf009fda6226cffccb10bd44620 04-Feb-2011 Douglas Gregor <dgregor@apple.com> If any Fix-Its attached to a diagnostic have invalid source locations
or source locations that refer into a macro instantiation, delete all
of the Fix-Its on that diagnostic.


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/external/clang/lib/Basic/DiagnosticIDs.cpp
418df343bb50802586d20aae3b83e2eb44c6c828 27-Jan-2011 Douglas Gregor <dgregor@apple.com> Separate the access-control diagnostics from other diagnostics that do not have SFINAE behavior.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
3efd52cf8f4e57c5571bd8cc3168264c3bc46a1e 14-Jan-2011 Argyrios Kyrtzidis <akyrtzi@gmail.com> Properly propagate #pragma diagnostic mappings from PCH but not command-line warning flags.
Addresses rdar://8435969&8852495

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/external/clang/lib/Basic/DiagnosticIDs.cpp
f84109ee6aeffb09366bd70c8593ce1b7818b1ad 07-Jan-2011 Fariborz Jahanian <fjahanian@apple.com> Update AST reader/writer to handle new AppleKext.
Fix an unexpected hickup caused by exceeding size of
generated table (and a misleading comment). Improve
on help message for -fapple-kext.


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/external/clang/lib/Basic/DiagnosticIDs.cpp
0827408865e32789e0ec4b8113a302ccdc531423 15-Dec-2010 Argyrios Kyrtzidis <akyrtzi@gmail.com> Fix diagnostic pragmas.

Diagnostic pragmas are broken because we don't keep track of the diagnostic state changes and we only check the current/latest state.
Problems manifest if a diagnostic is emitted for a source line that has different diagnostic state than the current state; this can affect
a lot of places, like C++ inline methods, template instantiations, the lexer, etc.

Fix the issue by having the Diagnostic object keep track of the source location of the pragmas so that it is able to know what is the diagnostic state at any given source location.

Fixes rdar://8365684.

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/external/clang/lib/Basic/DiagnosticIDs.cpp
33e4e70c8c0a17e0ccb7465d96556b077a68ecb1 18-Nov-2010 Argyrios Kyrtzidis <akyrtzi@gmail.com> Refactoring of Diagnostic class.

-Move the stuff of Diagnostic related to creating/querying diagnostic IDs into a new DiagnosticIDs class.
-DiagnosticIDs can be shared among multiple Diagnostics for multiple translation units.
-The rest of the state in Diagnostic object is considered related and tied to one translation unit.
-Have Diagnostic point to the SourceManager that is related with. Diagnostic can now accept just a
SourceLocation instead of a FullSourceLoc.
-Reflect the changes to various interfaces.

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/external/clang/lib/Basic/DiagnosticIDs.cpp