Commit Graph

1062 Commits

Author SHA1 Message Date
Argyrios Kyrtzidis c793a61355 [preprocessor] Enhance the preprocessor callbacks:
-Add location parameter for the directives callbacks
-Skip callbacks if the directive is inside a skipped range.
-Make sure the directive callbacks are invoked in source order.

llvm-svn: 152017
2012-03-05 05:48:09 +00:00
Richard Smith e18f0faff2 Lexing support for user-defined literals. Currently these lex as the same token
kinds as the underlying string literals, and we silently drop the ud-suffix;
those issues will be fixed by subsequent patches.

llvm-svn: 152012
2012-03-05 04:02:15 +00:00
Richard Smith 522fa53703 Add a pile of tests for unrestricted unions, and advertise support for them.
llvm-svn: 151992
2012-03-03 23:51:05 +00:00
Benjamin Kramer 15ceed9a9e Remove unused variable.
llvm-svn: 151989
2012-03-03 21:52:22 +00:00
Aaron Ballman 611306eae6 Adding support for #pragma include_alias in MS compatibility mode. This implements PR 10705.
llvm-svn: 151949
2012-03-02 22:51:54 +00:00
Ted Kremenek c1e4dd0e8e Change @import to @__experimental_modules_import. We are not ready to commit to a particular syntax for modules,
and don't have time to push it forward in the near future.

llvm-svn: 151841
2012-03-01 22:07:04 +00:00
Jean-Daniel Dupas 908f130d58 Implement double underscore names support in __has_attribute
llvm-svn: 151809
2012-03-01 14:53:16 +00:00
Richard Smith ead9a05596 Revert r151800, which was committed without review and has correctness issues.
llvm-svn: 151804
2012-03-01 06:49:39 +00:00
Aaron Ballman cd5092dfba Implements support for #pragma include_alias in ms compatibility mode. Fixes PR10705.
llvm-svn: 151800
2012-03-01 04:18:49 +00:00
Nico Weber 2c21c449d9 Move suport for redefining operator keywords from -fms-extensions to -fms-compatibility.
llvm-svn: 151776
2012-03-01 00:13:46 +00:00
Nico Weber 2e686205e8 Allow operator keywords to be #defined in ms-ext mode.
Fixes PR10606.

I'm not sure if this is the best way to go about it, but
I locally enabled this code path without the msext conditional,
and all tests pass, except for test/Preprocessor/cxx_oper_keyword.cpp
which explicitly checks that operator keywords can't be redefined.

I also parsed chromium/win with a clang with and without this patch.
It introduced no new errors, but removes 43 existing errors.

llvm-svn: 151768
2012-02-29 22:54:43 +00:00
Sebastian Redl d89c218a2b Initializer lists are now supported.
llvm-svn: 151458
2012-02-25 20:51:27 +00:00
Richard Smith 2cca7b5ca9 Accept __has_feature(__feature__) as a synonym for __has_feature(feature) (and
likewise for __has_extension). Patch by Jonathan Sauer!

llvm-svn: 151445
2012-02-25 10:41:10 +00:00
Argyrios Kyrtzidis 335c5a42e9 Don't record nested macro expansions in the preprocessing record,
it can only bring pain when dealing with preprocessor abuse (see: boost).

rdar://10898986

llvm-svn: 151427
2012-02-25 02:41:16 +00:00
Douglas Gregor 29c42f2a25 Implement a new type trait __is_trivially_constructible(T, Args...)
that provides the behavior of the C++11 library trait
std::is_trivially_constructible<T, Args...>, which can't be
implemented purely as a library.

Since __is_trivially_constructible can have zero or more arguments, I
needed to add Yet Another Type Trait Expression Class, this one
handling arbitrary arguments. The next step will be to migrate
UnaryTypeTrait and BinaryTypeTrait over to this new, more general
TypeTrait class.

Fixes the Clang side of <rdar://problem/10895483> / PR12038.

llvm-svn: 151352
2012-02-24 07:38:34 +00:00
Douglas Gregor 1be329d838 Provide the __is_trivially_assignable type trait, which provides
compiler support for the std::is_trivially_assignable library type
trait.

llvm-svn: 151240
2012-02-23 07:33:15 +00:00
Douglas Gregor 34b2e8bb17 Clang now supports lambda expressions.
llvm-svn: 151231
2012-02-23 03:02:32 +00:00
Dylan Noblesmith c95d81924d Basic: import IntrusiveRefCntPtr<> into clang namespace
The class name is long enough without the llvm:: added.
Also bring in RefCountedBase and RefCountedBaseVPTR.

llvm-svn: 150958
2012-02-20 14:00:23 +00:00
Richard Smith 1cb2af0b3a Advertize support for constexpr.
llvm-svn: 150524
2012-02-14 22:56:17 +00:00
Eli Friedman 9436352a82 Implement warning for non-wide string literals with an unexpected encoding. Downgrade error for non-wide character literals with an unexpected encoding to a warning for compatibility with gcc and older versions of clang. <rdar://problem/10837678>.
llvm-svn: 150295
2012-02-11 05:08:10 +00:00
Aaron Ballman e1224a5067 Fixing hex floating literal support so that it handles 0x.2p2 properly.
llvm-svn: 150072
2012-02-08 13:36:33 +00:00
Benjamin Kramer 7ec12c928a Revert my patches which removed Diagnostic.h includes by moving some operator overloads out of line.
This seems to negatively affect compile time onsome ObjC tests
(which use a lot of partial diagnostics I assume). I have to come
up with a way to keep them inline without including Diagnostic.h
everywhere. Now adding a new diagnostic requires a full rebuild
of e.g. the static analyzer which doesn't even use those diagnostics.

This reverts commit 6496bd10dc3a6d5e3266348f08b6e35f8184bc99.
This reverts commit 7af19b817ba964ac560b50c1ed6183235f699789.
This reverts commit fdd15602a42bbe26185978ef1e17019f6d969aa7.
This reverts commit 00bd44d5677783527d7517c1ffe45e4d75a0f56f.
This reverts commit ef9b60ffed980864a8db26ad30344be429e58ff5.

llvm-svn: 150006
2012-02-07 22:29:24 +00:00
Aaron Ballman b97a5addd5 Hex literals without a significand no longer crash the lexer. Fixes bug 7910
Patch by Eitan Adler

llvm-svn: 149984
2012-02-07 13:46:03 +00:00
Benjamin Kramer bf8da9d706 Move instantiateTemplateAttribute into the sema namespace, make helpers static.
llvm-svn: 149864
2012-02-06 11:13:08 +00:00
Dylan Noblesmith 2c1dd2716a Basic: import SmallString<> into clang namespace
(I was going to fix the TODO about DenseMap too, but
that would break self-host right now. See PR11922.)

llvm-svn: 149799
2012-02-05 02:13:05 +00:00
Dylan Noblesmith e27789991d Basic: import OwningPtr<> into clang namespace
llvm-svn: 149798
2012-02-05 02:12:40 +00:00
Benjamin Kramer 4903802fbf Move a method from IdentifierTable.h out of line and remove the SmallString include.
Fix all the transitive include users.

llvm-svn: 149783
2012-02-04 13:45:25 +00:00
Benjamin Kramer 02c746de10 Remove Diagnostic.h include from Preprocessor.h.
- Move the offending methods out of line and fix transitive includers.
- This required changing an enum in the PPCallback API into an unsigned.

llvm-svn: 149782
2012-02-04 13:02:15 +00:00
Argyrios Kyrtzidis 0d9e24b1db Change Lexer::makeFileCharRange() to have it accept a CharSourceRange
instead of a SourceRange, and handle the case where the range is
a char (not token) range.

llvm-svn: 149677
2012-02-03 05:58:29 +00:00
Douglas Gregor 3ec6663be0 Back out my heinous hack that tricked the module generation mechanism
into using non-absolute system includes (<foo>)...

... and introduce another hack that is simultaneously more heineous
and more effective. We whitelist Clang-supplied headers that augment
or override system headers (such as float.h, stdarg.h, and
tgmath.h). For these headers, Clang does not provide a module
mapping. Instead, a system-supplied module map can refer to these
headers in a system module, and Clang will look both in its own
include directory and wherever the system-supplied module map
suggests, then adds either or both headers. The end result is that
Clang-supplied headers get merged into the system-supplied module for
the C standard library.

As a drive-by, fix up a few dependencies in the _Builtin_instrinsics
module.

llvm-svn: 149611
2012-02-02 18:42:48 +00:00
Ted Kremenek 7f4bd16b53 Per discussion on cfe-dev, remove '#error' and '#warning' from diagnostic text.
llvm-svn: 149566
2012-02-02 00:16:13 +00:00
Fariborz Jahanian ccded6e447 objc2: add __has_feature(objc_default_synthesize_properties).
// rdar://10770497

llvm-svn: 149565
2012-02-02 00:15:51 +00:00
Chris Lattner 21ae40e513 fix a crash on:
__has_builtin

in an empty file, as we were overwriting the EOF token.  Overwriting an arbitrary token
never seems like a good idea in the error case.  This fixes a bug reported on the GCC
list :)

llvm-svn: 149397
2012-01-31 18:53:44 +00:00
Douglas Gregor 8992928274 Thread a TargetInfo through to the module map; we'll need it for
target-specific module requirements.

llvm-svn: 149224
2012-01-30 06:01:29 +00:00
Douglas Gregor 07f4357b44 Implement code completion support for module import declarations, e.g.,
@import <complete with module names here>

or

  @import std.<complete with submodule names here>

Addresses <rdar://problem/10710117>.

llvm-svn: 149199
2012-01-29 18:15:03 +00:00
Douglas Gregor 279a6c3747 Rework HeaderSearch's interface for getting a module from a name and
for getting the name of the module file, unifying the code for
searching for a module with a given name (into lookupModule()) and
separating out the mapping to a module file (into
getModuleFileName()). No functionality change.

llvm-svn: 149197
2012-01-29 17:08:11 +00:00
Douglas Gregor a686e1b05d Introduce module attributes into the module map grammar, along with a
single attribute ("system") that allows us to mark a module as being a
"system" module. Each of the headers that makes up a system module is
considered to be a system header, so that we (for example) suppress
warnings there.

If a module is being inferred for a framework, and that framework
directory is within a system frameworks directory, infer it as a
system framework.

llvm-svn: 149143
2012-01-27 19:52:33 +00:00
Douglas Gregor 247afcc6a9 Only mark an IdentifierInfo as having changed since deserialization
when it actually has changed (and not, e.g., when we've simply attached a
deserialized macro definition). Good for ~1.5% reduction in module
file size, mostly in the identifier table.

llvm-svn: 148808
2012-01-24 15:24:38 +00:00
Argyrios Kyrtzidis abff5f1271 Improve Lexer::getImmediateMacroName to take into account inner macros
of macro arguments.

For "MAC1( MAC2(foo) )" and location of 'foo' token it would return
"MAC1" instead of "MAC2".

llvm-svn: 148704
2012-01-23 16:58:33 +00:00
Argyrios Kyrtzidis 85e7671b71 Enhance Lexer::makeFileCharRange to check for ranges inside a macro argument
expansion, in which case it returns a file range in the location where the
argument was spelled.

llvm-svn: 148551
2012-01-20 16:52:43 +00:00
Argyrios Kyrtzidis 7838a2bffb Introduce Lexer::getSourceText() that returns a string for the source
that the given source range encompasses.

llvm-svn: 148481
2012-01-19 15:59:19 +00:00
Argyrios Kyrtzidis a99e02d019 Introduce Lexer::makeFileCharRange() that accepts a token source range
and returns a character range with file locations.

llvm-svn: 148480
2012-01-19 15:59:14 +00:00
Argyrios Kyrtzidis 1b07c344b4 For Lexer's isAt[Start/End]OfMacroExpansion add an out parameter for the macro
start/end location.

It is commonly needed after calling the function; with this way we avoid
recalculating it.

llvm-svn: 148479
2012-01-19 15:59:08 +00:00
Anna Zaks 1bea4bf590 Refactor: Pull getImmediateMacroName() out of DiagnosticRenderer and
into Lexer and Preprocessor; making it widely available.

llvm-svn: 148410
2012-01-18 20:17:16 +00:00
Seth Cantrell 9c2d6f0279 stop claiming unicode escape sequences are too long in strings, because they never are
llvm-svn: 148391
2012-01-18 12:27:08 +00:00
Seth Cantrell 8b2b677f39 Improves support for Unicode in character literals
Updates ProcessUCNExcape() for C++. C++11 allows UCNs in character
and string literals that represent control characters and basic
source characters. Also C++03 allows UCNs that refer to surrogate
codepoints.

UTF-8 sequences in character literals are now handled as single
c-chars.

Added error for multiple characters in Unicode character literals.

Added errors for when a the execution charset encoding of a c-char
cannot be represented as a single code unit in the associated
character type. Note that for the purposes of this error the asso-
ciated character type for a narrow character literal is char, not
int, even though in C narrow character literals have type int.

llvm-svn: 148389
2012-01-18 12:27:04 +00:00
David Blaikie 8a40f700e6 Remove unreachable code in Clang. (replace with llvm_unreachable where appropriate or when GCC requires it)
llvm-svn: 148292
2012-01-17 06:56:22 +00:00
David Chisnall fa35df628a Some improvements to the handling of C11 atomic types:
- Add atomic-to/from-nonatomic cast types
- Emit atomic operations for arithmetic on atomic types
- Emit non-atomic stores for initialisation of atomic types, but atomic stores and loads for every other store / load
- Add a __atomic_init() intrinsic which does a non-atomic store to an _Atomic() type.  This is needed for the corresponding C11 stdatomic.h function.
- Enables the relevant __has_feature() checks.  The feature isn't 100% complete yet, but it's done enough that we want people testing it.

Still to do:

- Make the arithmetic operations on atomic types (e.g. Atomic(int) foo = 1; foo++;) use the correct LLVM intrinsic if one exists, not a loop with a cmpxchg.
- Add a signal fence builtin
- Properly set the fenv state in atomic operations on floating point values
- Correctly handle things like _Atomic(_Complex double) which are too large for an atomic cmpxchg on some platforms (this requires working out what 'correctly' means in this context)
- Fix the many remaining corner cases

llvm-svn: 148242
2012-01-16 17:27:18 +00:00
Chandler Carruth 5b15a9be6a Two variables had been added for an assert, but their values were
re-computed rather than the variables be re-used just after the assert.
Just use the variables since we have them already. Fixes an unused
variable warning.

Also fix an 80-column violation.

llvm-svn: 148212
2012-01-15 09:03:45 +00:00
Douglas Gregor 3a5999bc1c When inferring a module for a framework, first determine whether that
framework is actually a subframework within a top-level framework. If
so, only infer a module for the top-level framework and then dig out
the appropriate submodule.

This helps us cope with an amusing subframeworks anti-pattern, where
one uses -F <framework>/Frameworks to get direct include access to the
subframeworks of a framework (which otherwise would not be
permitted).

llvm-svn: 148148
2012-01-13 22:31:52 +00:00