[libclang/AST] Index references of protocols in "@protocol(...)" syntax.

To do that, keep track of the location of the protocol id in the ObjCProtocolExpr
AST node.

rdar://11190837

llvm-svn: 156890

Don't crash when using objc boxed expression with parsing error.

rdar://11426994

llvm-svn: 156565

objective-c. Fixes a 'fixit' where location of
'*' on objective-c class name was misplaced.
// rdar://11311333

llvm-svn: 156517

Refactor DelayedDiagnostics so that it keeps diagnostics in
separate pools owned by the RAII objects that keep pushing
decl state. This gives us quite a bit more flexibility.

llvm-svn: 156289

Implements boxed expressions for Objective-C. <rdar://problem/10194391>

llvm-svn: 155082

Added a flag to the parser to skip method bodies.

llvm-svn: 154584

Added a new attribute, objc_root_class, which informs the compiler when a root class is intentionally declared.
The warning this inhibits, -Wobjc-root-class, is opt-in for now. However, all clang uni

Added a new attribute, objc_root_class, which informs the compiler when a root class is intentionally declared.
The warning this inhibits, -Wobjc-root-class, is opt-in for now. However, all clang unit tests that would trigger
the warning have been updated to use -Wno-objc-root-class. <rdar://problem/7446698>

llvm-svn: 154187

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Unify naming of LangOptions variable/get function across the Clang stack (Lex to AST).

The member variable is always "LangOpts" and the member function is always "getLangOpts".

Reviewed by Chris La

Unify naming of LangOptions variable/get function across the Clang stack (Lex to AST).

The member variable is always "LangOpts" and the member function is always "getLangOpts".

Reviewed by Chris Lattner

llvm-svn: 152536

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Support for raw and template forms of numeric user-defined literals,
and lots of tidying up.

llvm-svn: 152392

Streamline BalancedDelimiterTracker, by eliminating the duplicate
paren/brace/bracket tracking (the Consume* functions already did it),
removing the use of ConsumeAnyToken(), and moving the hot paths

Streamline BalancedDelimiterTracker, by eliminating the duplicate
paren/brace/bracket tracking (the Consume* functions already did it),
removing the use of ConsumeAnyToken(), and moving the hot paths inline
with the error paths out-of-line.

llvm-svn: 152274

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Silence unused variable warnings.

llvm-svn: 152170

Add clang support for new Objective-C literal syntax for NSDictionary, NSArray,
NSNumber, and boolean literals. This includes both Sema and Codegen support.
Included is also support for new Objectiv

Add clang support for new Objective-C literal syntax for NSDictionary, NSArray,
NSNumber, and boolean literals. This includes both Sema and Codegen support.
Included is also support for new Objective-C container subscripting.

My apologies for the large patch. It was very difficult to break apart.
The patch introduces changes to the driver as well to cause clang to link
in additional runtime support when needed to support the new language features.

Docs are forthcoming to document the implementation and behavior of these features.

llvm-svn: 152137

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User-defined literals: reject string and character UDLs in all places where the
grammar requires a string-literal and not a user-defined-string-literal. The
two constructs are still represented by th

User-defined literals: reject string and character UDLs in all places where the
grammar requires a string-literal and not a user-defined-string-literal. The
two constructs are still represented by the same TokenKind, in order to prevent
a combinatorial explosion of different kinds of token. A flag on Token tracks
whether a ud-suffix is present, in order to prevent clients from needing to look
at the token's spelling.

llvm-svn: 152098

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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

objective-c: provide fixit hint when atomic property does not
have matching user defined setter/getter and a warning is issued.
In this case, a fixit note is displayed. // rdar://10267155

llvm-svn:

objective-c: provide fixit hint when atomic property does not
have matching user defined setter/getter and a warning is issued.
In this case, a fixit note is displayed. // rdar://10267155

llvm-svn: 151766

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[libclang] Make sure that all top-level decls in a @implementation are
marked as such.

Previously we missed tag declarations; fixes rdar://10902015

llvm-svn: 151283

Generalize -Wempty-body: warn when statement body is empty (closes: PR11329)

* if, switch, range-based for: warn if semicolon is on the same line.
* for, while: warn if semicolon is on the same line

Generalize -Wempty-body: warn when statement body is empty (closes: PR11329)

* if, switch, range-based for: warn if semicolon is on the same line.
* for, while: warn if semicolon is on the same line and either next
statement is compound statement or next statement has more
indentation.

Replacing the semicolon with {} or moving the semicolon to the next
line will always silence the warning.

Tests from SemaCXX/if-empty-body.cpp merged into SemaCXX/warn-empty-body.cpp.

llvm-svn: 150515

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Make parsing of objc @implementations more robust.

Parsing of @implementations was based on modifying global state from
the parser; the logic for late parsing of methods was spread in multiple place

Make parsing of objc @implementations more robust.

Parsing of @implementations was based on modifying global state from
the parser; the logic for late parsing of methods was spread in multiple places
making it difficult to have a robust error recovery.

-it was difficult to ensure that we don't neglect parsing the lexed methods.
-it was difficult to setup the original objc container context for parsing the lexed methods
after completing ParseObjCAtImplementationDeclaration and returning to top level context.

Enhance parsing of @implementations by centralizing it in Parser::ParseObjCAtImplementationDeclaration().
ParseObjCAtImplementationDeclaration now returns only after an @implementation is fully parsed;
all the data and logic for late parsing of methods is now in one place.

This allows us to provide code-completion for late parsed methods with mis-matched braces.
rdar://10775381

llvm-svn: 149987

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Remove unreachable code in Clang. (replace with llvm_unreachable where appropriate or when GCC requires it)

llvm-svn: 148292

Under -fmodules, accept #public <macroname> and #private <macroname>
to make a macro public (the default for headers) or private,
respectively.

llvm-svn: 147455

Introduce a non-uglified syntax for module imports in Objective-C:

@import identifier [. identifier]* ;

llvm-svn: 147452

Eliminate ObjCForwardProtocolDecl, which is redundant now that
ObjCProtocolDecl modules forward declarations properly.

llvm-svn: 147415

Unweaken vtables as per http://llvm.org/docs/CodingStandards.html#ll_virtual_anch

llvm-svn: 146959

In Parser::SkipUntil do not stop at '@' unconditionally.

Stopping at '@' was originally intended to avoid skipping an '@' at the @interface context
when doing parser recovery, but we should not stop

In Parser::SkipUntil do not stop at '@' unconditionally.

Stopping at '@' was originally intended to avoid skipping an '@' at the @interface context
when doing parser recovery, but we should not stop at all '@' tokens because they may be part
of expressions (e.g. in @"string", @selector(), etc.), so in most cases we will want to skip them.

This commit caused 'test/Parser/method-def-in-class.m' to fail for the cases where we tried to
recover from unmatched angle bracket but IMO it is not a big deal to not have good recovery
from such broken code and the way we did recovery would not always work anyway (e.g. if there was '@'
in an expression).

The case that rdar://7029784 is about still passes.

llvm-svn: 146815

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After late parsing an objc method, make sure there are no leftover cached tokens,
because the memory associated with them is going to get released.
We also don't want them to affect later parsing.
(W

After late parsing an objc method, make sure there are no leftover cached tokens,
because the memory associated with them is going to get released.
We also don't want them to affect later parsing.
(We do the same for C++ inline methods.)

The underlying cause for the leftover tokens is going to be addressed in the
next commit.

Couldn't get a test case for the crash though. rdar://10583033.

llvm-svn: 146814

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