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Author SHA1 Message Date
Daniel Jasper
6d9b88dd99 clang-format: Fix bug in multiline comment wrapping. 
Splitting:
  /**
   * multiline block comment
   *
   */

Before:
  /**
   * multiline block
   *comment
   *
   */

After:
  /**
   * multiline block
   * comment
   *
   */

The reason was that the empty line inside the comment (with just the "*") was
confusing the comment breaking logic.

llvm-svn: 236573
 2015-05-06 07:17:22 +00:00
Daniel Jasper
de7ca75ca0 clang-format: Force aligning different brackets relative to each other. 
Before:
  void SomeFunction(vector< // break
      int> v);

After:
  void SomeFunction(vector< // break
                        int> v);

llvm-svn: 236412
 2015-05-04 07:39:00 +00:00
Daniel Jasper
e9f5357f49 clang-format: Don't merge short else blocks. 
Before (with the appropriate flags settings):
  if (a) {
    f();
  } else { g(); }

Before (with other appropriate flags settings):
  if (a) { f(); } else {
    g();
  }

After:
  if (a) {
    f();
  } else {
    g();
  }

llvm-svn: 236217
 2015-04-30 09:24:17 +00:00
Daniel Jasper
a4499133b1 clang-format: Add ability to align assignment operators. 
In Objective-C some style guides use a style where assignment operators are
aligned, in an effort to increase code readability. This patch adds an option
to the format library which allows this functionality. It is disabled by
default for all the included styles, so it must be explicitly enabled.

The option will change code such as:
  - (void)method {
      NSNumber *one = @1;
      NSNumber *twentyFive = @25;
  }

to:
  - (void)method {
      NSNumber *one        = @1;
      NSNumber *twentyFive = @25;
  }

Patch by Matt Oakes. Thank you!

Accidentally reformatted all the tests...

llvm-svn: 236100
 2015-04-29 13:06:49 +00:00
Daniel Jasper
eb45cb7cf9 clang-format: Fix selective indentaiton in nested blocks. 
Buggy case:
  someFunction(
      [] {
        // comment
        int i; // invoke formatting here.
      },       // force line break
      aaa);

llvm-svn: 236091
 2015-04-29 08:29:26 +00:00
Daniel Jasper
775954be1e clang-format: Don't wrap after short first segments of builder calls. 
Before:
  a()
      .aaaaa()
      .aaaaa()
      .aaaaa();

After:
  a().aaaaa()
      .aaaaa()
      .aaaaa();

llvm-svn: 235707
 2015-04-24 10:08:09 +00:00
Daniel Jasper
de0d1f3c26 clang-format: More selectively detect QT's "signals". 
llvm-svn: 235702
 2015-04-24 07:50:34 +00:00
Daniel Jasper
0faa9136fa clang-format: Properly detect variable declarations with ObjC. 
Before:
  LoooooooooooooooooooooooooooooooooooooooongType
  LoooooooooooooooooooooooooooooooooooooongVariable([A a]);

After:
  LoooooooooooooooooooooooooooooooooooooooongType
      LoooooooooooooooooooooooooooooooooooooongVariable([A a]);

llvm-svn: 235599
 2015-04-23 13:58:40 +00:00
Daniel Jasper
caf84fe21e clang-format: Allow splitting "= default" and "= delete". 
Otherwise, this can violate the column limit.

llvm-svn: 235592
 2015-04-23 12:59:09 +00:00
Daniel Jasper
532a031422 clang-format: Don't add unwanted space when creating new arrays. 
Before:
  char** newargv = new char* [argc];

After:
  char** newargv = new char*[argc];

llvm-svn: 235583
 2015-04-23 10:23:53 +00:00
Daniel Jasper
289afc071e clang-format: Support nested block formatting with ColumnLimit=0. 
llvm-svn: 235580
 2015-04-23 09:23:17 +00:00
Daniel Jasper
ee4a8a140a clang-format: Fix for #pragma option formatting. 
Adapted patch from Sergey Razmetov. Thank you.

llvm-svn: 235492
 2015-04-22 09:45:42 +00:00
Daniel Jasper
e4ab49e8d3 clang-format: Fix incorrect multi-var declstmt detection. 
This is now obvious as the pointer alignment behavior was changed.

Before (even with pointer alignment "Left"):
  MACRO Constructor(const int &i) : a(a), b(b) {}

After:
  MACRO Constructor(const int& i) : a(a), b(b) {}

llvm-svn: 235301
 2015-04-20 12:54:29 +00:00
Daniel Jasper
20e15563ff clang-format: Undo r214508. It was essentially always removing the 
space where we already had the flag ObjCSpaceBeforeProtocolList to
control it. I don't know what I was thinking.

llvm-svn: 235076
 2015-04-16 07:02:19 +00:00
Daniel Jasper
2b1865c251 clang-format: Determine "in" as a keyword in ObjC for loops more precisely 
Before:
  for (int i = 0; i < in [a]; ++i) ..

After:
  for (int i = 0; i < in[a]; ++i) ..

Also do some related cleanups.

llvm-svn: 234980
 2015-04-15 07:26:18 +00:00
Daniel Jasper
53395406da clang-format: Fix regression formatting QT's "signals:" from r234318. 
llvm-svn: 234320
 2015-04-07 15:04:40 +00:00
Daniel Jasper
676e516354 clang-format: Don't allow labels when expecting declarations. 
This fixes formatting unnamed bitfields (llvm.org/PR21999).

Before:
  struct MyStruct {
    uchar data;
  uchar:
    8;
  uchar:
    8;
    uchar other;
  };

After:
  struct MyStruct {
    uchar data;
    uchar : 8;
    uchar : 8;
    uchar other;
  };

llvm-svn: 234318
 2015-04-07 14:36:33 +00:00
Daniel Jasper
acf67e3ecd clang-format: Improve nested block formatting. 
Before:
  functionA(functionB({
    int i;
    int j;
  }),
            aaaa, bbbb, cccc);

After:
  functionA(functionB({
              int i;
              int j;
            }),
            aaaa, bbbb, cccc);

llvm-svn: 234304
 2015-04-07 08:20:35 +00:00
Daniel Jasper
9dedc775d7 clang-format: Indent relative to the ./-> and not the function name. 
Before:
  aaaaaaaaaaa     //
      .aaaa(      //
           bbbb)  // This is different ..
      .aaaa(      //
          cccc);  // .. from this.

After:
  aaaaaaaaaaa     //
      .aaaa(      //
          bbbb)   // This is identical ..
      .aaaa(      //
          cccc);  // .. to this.

llvm-svn: 234300
 2015-04-07 06:41:24 +00:00
Daniel Jasper
05cd92922d clang-format: Force line break in trailing calls after multline exprs. 
Before:
  aaaaaaaa(aaaaaaaaaa,
           bbbbbbbbbb).a();

After:
  aaaaaaaa(aaaaaaaaaa,
           bbbbbbbbbb)
      .a();

llvm-svn: 233304
 2015-03-26 18:46:28 +00:00
Daniel Jasper
e99c72fc2e clang-format: Fix merging of _T macros. 
NewlinesBefore and HasUnescapedNewline were not properly propagated
leading to llvm.org/PR23032.

llvm-svn: 233276
 2015-03-26 14:47:35 +00:00
Daniel Jasper
414c9c6fb0 clang-format: Fix another bug in wrapping around "*". 
Before:
  void aaaaa(
      aaaaaaaaaaaa* aaaaaaaaaaaaaa) {} // even violation the column limit

After:
  void aaaaa(aaaaaaaaaaaa*
                 aaaaaaaaaaaaaa) {}

llvm-svn: 232717
 2015-03-19 09:40:16 +00:00
Daniel Jasper
1130981907 clang-format: Fix bad wrapping after "*" introduced in r232044. 
Before:
  void aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaa*
                                              const aaaaaaaaaaaa) {}

After:
  void aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(
      aaaaaaaaaaaaaaaaaaaaaaaaa* const aaaaaaaaaaaa) {}

llvm-svn: 232635
 2015-03-18 14:20:13 +00:00
Daniel Jasper
92e0982936 [clang-format] Add missing test for std::function<void( int, int )> 
spacing also fixed by r230473.

The fix in r230473 was done to enable fixing the spacing for
  std::function<void( int, int )>.
I did not realized that it also fixed this
issue.  Since it is fairly different from
  Deleted &operator=(const Deleted &)& = default;
fixed in r230473, it seems sensible to add the regression test for it.

Also cleaned up the test by removing duplicated code and comment, and kept
repeated test set consistent.

Result of running the new tests with r230473 backed out:
  [ RUN      ] FormatTest.ConfigurableSpacesInParentheses
  Actual: "std::function<void(int, int)> callback;"
  Expected: "std::function<void( int, int )> callback;"
  Actual: "std::function<void( int, int )> callback;"
  Expected: "std::function<void(int, int)> callback;"
  Actual: "std::function<void( int, int ) > callback;"
  Expected: "std::function<void(int, int)> callback;"
  [  FAILED  ] FormatTest.ConfigurableSpacesInParentheses (402 ms)

Result of new tests with r230473:
  [ RUN      ] FormatTest.ConfigurableSpacesInParentheses
  [       OK ] FormatTest.ConfigurableSpacesInParentheses (209 ms)

Review: http://reviews.llvm.org/D7922

Patch by Jean-Philippe Dufraigne. Thanks!

llvm-svn: 232632
 2015-03-18 12:59:19 +00:00
Daniel Jasper
9ecb0e96b8 clang-format: Don't corrupt macros with open braces. 
Formatting:
  #define A { {
  #define B } }

Before:
  #define A               \
    {                     \
      { #define B }       \
    }

After:
  #define A               \
    {                     \
      {
  #define B               \
    }                     \
    }

This fixes llvm.org/PR22884.

llvm-svn: 232166
 2015-03-13 13:32:11 +00:00
Daniel Jasper
55ca608cdc clang-format: [OBJC] Don't indent 8 spaces in method declarations. 
Before:
  - (void)aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa:
          (SoooooooooooooooooooooomeType *)bbbbbbbbbb;

After:
  - (void)aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa:
      (SoooooooooooooooooooooomeType *)bbbbbbbbbb;

llvm-svn: 232112
 2015-03-12 22:13:45 +00:00
Daniel Jasper
b754a747be clang-format: When putting */& next to types, also wrap before them. 
Before:
  LoooooooooooongType *
      loooooooooooongVariable;

After:
  LoooooooooooongType
      *loooooooooooongVariable;

llvm-svn: 232044
 2015-03-12 15:04:53 +00:00
Daniel Jasper
dc4f725673 clang-format: Fix incorrect && recognition. 
Before:
  if (a &&(b = c)) ..

After:
  if (a && (b = c)) ..

llvm-svn: 231920
 2015-03-11 12:59:49 +00:00
Daniel Jasper
ac5c97e36b clang-format: Don't remove newline if macro ends in access specifier. 
I.e.:

  #define A public:

  // The new line before this line would be removed.
  int a;

llvm-svn: 231636
 2015-03-09 08:13:55 +00:00
Daniel Jasper
98f8ae34da clang-format: Slightly change indentation rules in for loops. 
There was already a TODO to double-check whether the extra indenation
makes sense. A slightly different case reveals that it is actively harmful:

  for (int i = 0; i < aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ||
                      bbbbbbbbbbbbbbbbbbbb < ccccccccccccccc;
       ++i) {
  }

Here (and it is probably not a totally infrequent case, it just works out that
"i < " is four spaces and so the four space extra indentation makes the
operator precedence confusing. So, this will now instead be formatted
as:

  for (int i = 0; i < aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ||
                  bbbbbbbbbbbbbbbbbbbb < ccccccccccccccc;
       ++i) {
  }

llvm-svn: 231461
 2015-03-06 10:57:12 +00:00
Daniel Jasper
0391e55650 clang-format: Fix access to uninitialized memory. 
With incomplete code, we aren't guaranteed to generated changes for
every token. In that case, we need to assume that even the very first
change can continue a preprocessor directive and initialize values
accordingly.

llvm-svn: 231066
 2015-03-03 13:59:49 +00:00
Daniel Jasper
e662316994 clang-format: Prefer wrapping a lambda's body over the lambda's return type. 
Before:
  aaaaaaaaaaaaaaaaaaaaaa(
      [](aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &aaa)
          -> aaaaaaaaaaaaaaaaaaaaa { return aaaaaaaaaaaaaaaaa; });

After:
  aaaaaaaaaaaaaaaaaaaaaa(
      [](aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &aaa) -> aaaaaaaaaaaaaaaaaaaaa {
        return aaaaaaaaaaaaaaaaa;
      });

llvm-svn: 230942
 2015-03-02 10:35:13 +00:00
Daniel Jasper
bea1ab46d9 clang-format: Always align */& in multi-var DeclStmts. 
Seems like the most consistent thing to do and in multi-var DeclStmts,
it is especially important to point out that the */& bind to the
identifier.

llvm-svn: 230903
 2015-03-01 18:55:26 +00:00
Daniel Jasper
308062bd0d clang-format: Make trailing commas in array inits force one per line. 
Before:
  NSArray *array = @[ @"a", @"a", ];

After:
  NSArray *array = @[
    @"a",
    @"a",
  ];

llvm-svn: 230741
 2015-02-27 08:41:05 +00:00
Daniel Jasper
b812e323fa clang-format: Make braced list formatting more consistent. 
Before:
  Aaaa aaaaaaaaaaa{
      {
       a, // +1 indent weird.
       b, // trailing comma signals one per line.
      },  // trailing comma signals one per line.
  };

After:
  Aaaa aaaaaaaaaaa{
      {
          a, // better!?
          b, // trailing comma signals one per line.
      },     // trailing comma signals one per line.
  };

Interesting that this apparently was entirely untested :-(.

llvm-svn: 230627
 2015-02-26 11:46:29 +00:00
Daniel Jasper
beaa322c36 clang-format: Fix space of arrays of pointers to templated types. 
Before:
  vector<int>(*foo_)[6];

After:
  vector<int> (*foo_)[6];

llvm-svn: 230625
 2015-02-26 11:30:50 +00:00
Daniel Jasper
a42de763ac clang-format: Allow breaking after "else if(" as a last resort. 
This isn't generally nice, but better than violating the column limit.

llvm-svn: 230620
 2015-02-26 09:49:08 +00:00
Daniel Jasper
1c22048834 clang-format: Fix spacing for function with ref-qualification .. 
.. when using SpacesInCStyleCastParentheses != SpacesInParentheses.

Before:
  FormatStyle Spaces = getLLVMStyle();
  Deleted &operator=(const Deleted &)& = default;

  Spaces.SpacesInParentheses = true;
  Deleted(const Deleted &)& = default;

  Spaces.SpacesInCStyleCastParentheses = true;
  Spaces.SpacesInParentheses= false;
  Deleted( const Deleted & )& = default;

After:
  FormatStyle Spaces = getLLVMStyle();
  Deleted &operator=(const Deleted &)& = default;;

  Spaces.SpacesInParentheses= true;
  Deleted( const Deleted & )& = default;

  Spaces.SpacesInCStyleCastParentheses = true;
  Spaces.SpacesInParentheses= false;
  Deleted(const Deleted &)& = default;

Patch by Jean-Philippe Dufraigne. Thank you!

llvm-svn: 230473
 2015-02-25 10:30:06 +00:00
Jacques Pienaar
411b251cea clang-format: Change location of stashed token 
Commit of patch in http://reviews.llvm.org/D7871

llvm-svn: 230395
 2015-02-24 23:23:24 +00:00
Jacques Pienaar
68a7dbf86d Fix merging of << at end of input. 
Commit of review http://reviews.llvm.org/D7766

llvm-svn: 230061
 2015-02-20 21:09:01 +00:00
Jacques Pienaar
fc27511223 clang-format: Space and triple angle braces. 
Committing patch http://reviews.llvm.org/D6800.

llvm-svn: 229783
 2015-02-18 23:48:37 +00:00
Daniel Jasper
699631298e clang-format: Don't force a break after "endl" if everything fits on one line. 
llvm-svn: 229486
 2015-02-17 10:05:15 +00:00
Daniel Jasper
d97d5d5cf7 clang-format: Fix crasher. 
llvm-svn: 229485
 2015-02-17 09:58:03 +00:00
Aaron Ballman
61005bc5de Reverting a switch from LLVM_DELETED_FUNCTION to = delete; this test should not have changed. 
llvm-svn: 229394
 2015-02-16 14:14:01 +00:00
Aaron Ballman
abc1892057 Removing LLVM_DELETED_FUNCTION, as MSVC 2012 was the last reason for requiring the macro. NFC; Clang edition. 
llvm-svn: 229339
 2015-02-15 22:54:08 +00:00
Daniel Jasper
29d39d54e7 clang-format: Correctly mark preprocessor lines in child blocks. 
This prevents contracting:
  auto lambda = []() {
    int a = 2
  #if A
            + 2
  #endif
        ;
  };

into:
  auto lambda = []() { int a = 2
  #if A + 2
  #endif ; };

Which is obviously BAD.

This fixes llvm.org/PR22496.

llvm-svn: 228522
 2015-02-08 09:34:49 +00:00
Nico Weber
33381f5e0b clang-format: Format Objective-C try blocks like all the other try blocks. 
Before:

  @try {
    // ...
  }
  @finally {
    // ...
  }

Now:

  @try {
    // ...
  } @finally {
    // ...
  }

This is consistent with how we format C++ try blocks and SEH try blocks.
clang-format not doing this before was an implementation oversight.

This is dependent on BraceBreakingStyle.  The snippet above is with the
Attach style.  Style Stroustrip for example still results in the "Before:"
snippet, which makes sense since other blocks (try, else) break after '}' too.

llvm-svn: 228483
 2015-02-07 01:57:32 +00:00
Daniel Jasper
30029c6b58 clang-format: Fix assert triggering on carriage returns. 
llvm-svn: 228288
 2015-02-05 11:05:31 +00:00
Nico Weber
fac2371be3 clang-format: Add support for SEH __try / __except / __finally blocks. 
This lets clang-format format

    __try {
    } __except(0) {
    }

and

    __try {
    } __finally {
    }

correctly. __try and __finally are keywords if `LangOpts.MicrosoftExt` is set,
so this turns this on.  This also enables a few other keywords, but it
shouldn't overly perturb regular clang-format operation.  __except is a
context-sensitive keyword, so `AdditionalKeywords` needs to be passed around to
a few more places.

Fixes PR22321.

llvm-svn: 228148
 2015-02-04 15:26:27 +00:00
Daniel Jasper
47b35aeaa1 clang-format: Fix crasher caused by not properly setting dry-run. 
llvm-svn: 227427
 2015-01-29 10:47:14 +00:00
Daniel Jasper
d1c13736e0 clang-format: Fix another crasher caused by incomplete macro code. 
We did't properly mark all of an AnnotatedLine's children as finalized
and thus would reformat the same tokens in different branches of #if/#else
sequences leading to invalid replacements.

llvm-svn: 226930
 2015-01-23 19:37:25 +00:00
Daniel Jasper
7509216a41 clang-format: Fix incorrect classification of "*". 
Before:
  *a = b *c;

After:
  *a = b * c;

llvm-svn: 226923
 2015-01-23 19:04:49 +00:00
Daniel Jasper
e4b48c635c clang-format: Fix crasher when splitting incomplete escape sequences. 
llvm-svn: 226698
 2015-01-21 19:50:35 +00:00
Daniel Jasper
04b979dd81 clang-format: Fix crasher caused by incorrect resetting of token info. 
llvm-svn: 226685
 2015-01-21 18:35:47 +00:00
Daniel Jasper
d1debfc2bb clang-format: Fix bad memory access. 
llvm-svn: 226680
 2015-01-21 18:04:02 +00:00
Daniel Jasper
fd725c060b clang-format: Fix use-heap-after-free bug. 
Discovered by the awesome test case and ASAN.

llvm-svn: 226678
 2015-01-21 17:35:29 +00:00
Daniel Jasper
6fd5d646cc clang-format: Fix AlwaysBreakBeforeMultilineStrings with ColumnLimit=0 
Before:
  const char *x =
      "hello llvm";

After:
  const char *x = "hello llvm";

This fixes llvm.org/PR22245.
Patch by Bill Meltsner, thank you!

llvm-svn: 226564
 2015-01-20 12:59:20 +00:00
Daniel Jasper
9b79efb51f clang-format: Fix crasher on weird comments. 
Crashing input:
  /\
  / comment

llvm-svn: 226454
 2015-01-19 11:49:32 +00:00
Daniel Jasper
193cdd381b clang-format: Fix crasher on incomplete condition compilation. 
Previously crashing input:
  void f(
  #if A
      );
  #else
  #endif

llvm-svn: 226451
 2015-01-19 10:52:16 +00:00
Daniel Jasper
20e8c3be3c clang-format: Fix crash on invalid code. 
Input "a<," made clang-format crash.

llvm-svn: 226450
 2015-01-19 10:51:42 +00:00
Daniel Jasper
675b4f8350 clang-format: Fix clang-format crash on invalid code. 
llvm-svn: 226449
 2015-01-19 10:51:23 +00:00
Daniel Jasper
9d22bcc53e clang-format: Fix assertion when trying to build a nullptr StringRef. 
llvm-svn: 226448
 2015-01-19 10:51:05 +00:00
Daniel Jasper
2bd7a64d12 clang-format: Fix endless loop on incomplete try-catch-block. 
llvm-svn: 226447
 2015-01-19 10:50:51 +00:00
Daniel Jasper
b1567c106f clang-format: Remove assert that isn't helpful. 
This assert would trigger on:
  #d , = }

llvm-svn: 226446
 2015-01-19 10:50:08 +00:00
Alexander Kornienko
00691cf3bb Fix assertion in BreakableBlockComment (http://llvm.org/PR21916). 
Reviewers: djasper

Reviewed By: djasper

Subscribers: klimek, cfe-commits

Differential Revision: http://reviews.llvm.org/D6894

llvm-svn: 225628
 2015-01-12 13:11:12 +00:00
Daniel Jasper
d6a1cab1bc clang-format: Improve format of lambdas in ctor initializers. 
Before:
  Constructor()
      : Constructor([] { // comment
        int i;
      }) {}

After:
  Constructor()
      : Constructor([] { // comment
          int i;
        }) {}

llvm-svn: 225625
 2015-01-12 10:23:24 +00:00
Daniel Jasper
2337f28063 clang-format: Fix formatting of inline asm. 
Specifically, adjust the leading "__asm {" and trailing "}" while still
leaving the assembly inside it alone.

This fixes llvm.org/PR22190.

llvm-svn: 225623
 2015-01-12 10:14:56 +00:00
Daniel Jasper
d05d3a8919 clang-format: Force line break between "endl" and "<<". 
This makes piped output easier to read in many instances.

Before:
  llvm::errs() << aaaa << std::endl << bbbb << std::endl;

After:
  llvm::errs() << aaaa << std::endl
               << bbbb << std::endl;

Also fix a few instance of "don't use else after return" as per the
coding standards.

llvm-svn: 225444
 2015-01-08 13:56:57 +00:00
Daniel Jasper
b13135bc08 clang-format: Improve template parameter detection. 
Before:
  struct A < std::enable_if<sizeof(T2) <sizeof(int32)>::type>;

After:
  struct A<std::enable_if<sizeof(T2) < sizeof(int32)>::type>;

llvm-svn: 225435
 2015-01-08 08:48:21 +00:00
Daniel Jasper
4953210478 clang-format: Understand single-line comments at the end of blocks. 
This prevents clang-format from moving/aligning the comment in the
snippet:
  void f() {
    int i; // some comment
    // some unrelated comment
  }

llvm-svn: 225352
 2015-01-07 14:00:11 +00:00
Daniel Jasper
6a9682038f clang-format: Fix unary operator detection. 
Before:
  ** outparam = 1;

After:
  **outparam = 1;

llvm-svn: 225349
 2015-01-07 12:19:53 +00:00
Daniel Jasper
3a623dbd2a clang-format: Fix incorrect detection of ObjC "in" keyword. 
Before:
  for (auto v : in [1]) { ..

After:
  for (auto v : in[1]) { ..

llvm-svn: 224513
 2014-12-18 12:11:01 +00:00
Alexander Kornienko
732b6bd4d1 Don't break single-line raw string literals. 
Reviewers: djasper

Reviewed By: djasper

Subscribers: klimek, cfe-commits

Differential Revision: http://reviews.llvm.org/D6636

llvm-svn: 224223
 2014-12-14 20:47:11 +00:00
Daniel Jasper
11a0ac66e1 clang-format: Revamp nested block formatting. 
This fixed llvm.org/PR21804 and hopefully a few other strange cases.

Before:
    if (blah_blah(whatever, whatever, [] {
      doo_dah();
      doo_dah();
    })) {
    }
    }

After:
    if (blah_blah(whatever, whatever, [] {
          doo_dah();
          doo_dah();
        })) {
    }
    }

llvm-svn: 224112
 2014-12-12 09:40:58 +00:00
Nico Weber
238462627e clang-format: Add a test for PR19603 which seems fixed (maybe by r221338?). 
llvm-svn: 223850
 2014-12-09 23:22:35 +00:00
Daniel Jasper
3431b75069 clang-format: Support commas in lambda return types. 
Before:
  auto next_pair = [](A * a) -> pair<A*, A*>{};

After:
  auto next_pair = [](A* a) -> pair<A*, A*>{};

llvm-svn: 223652
 2014-12-08 13:22:37 +00:00
Daniel Jasper
55aed6777f clang-format: Don't merge lines with comments. 
Before:
  int f() { // comment return 42; }

After:
  int f() { // comment
    return 42;
  }

This fixes llvm.org/PR21769.

llvm-svn: 223609
 2014-12-07 16:44:49 +00:00
Daniel Jasper
31f6c54733 clang-format: Support NS_OPTIONS, CF_ENUM and CF_OPTIONS. 
This fixes llvm.org/PR21756.

llvm-svn: 223458
 2014-12-05 10:42:21 +00:00
Daniel Jasper
86ee0b6daa clang-format: More restrictively classify import declarations. 
Before:
  import::SomeFunction(aaaaaaaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaaaaaa);

After:
  import::SomeFunction(aaaaaaaaaaaaaaaaaaaaaaaaaaa,
                       aaaaaaaaaaaaaaaaaaaaaaaaaaaaa);

llvm-svn: 223345
 2014-12-04 08:57:27 +00:00
Daniel Jasper
c095663ec1 clang-format: Fix fake parentheses placement with comments. 
Before:
  return (a > b
          // comment1
      // comment2
      || c);

After:
  return (a > b
      // comment1
      // comment2
      || c);

llvm-svn: 223234
 2014-12-03 14:02:59 +00:00
Daniel Jasper
3219e43c94 clang-format: Add option to suppress operator alignment. 
With alignment:
  int aaaaaa = aa
               + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
                     * cccccccccccccccccccccccccccccccc;

Without alignment:
  int aaaaaa = aa
      + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
          * cccccccccccccccccccccccccccccccc;

This fixes llvm.org/PR21666.

llvm-svn: 223117
 2014-12-02 13:24:51 +00:00
Daniel Jasper
8c6e9ef676 clang-format: precedence-based indentation when breaking before operators. 
Before:
  bool value = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
               + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
               + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
               == aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
                  * bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
                  + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
               && aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
                  * aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
                  > ccccccccccccccccccccccccccccccccccccccccc;

After:
  bool value = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
                       + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
                       + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
                   == aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
                              * bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
                          + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
               && aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
                          * aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
                      > ccccccccccccccccccccccccccccccccccccccccc;

Not particularly pretty, but can probably help to uncover bugs. And if this
bugs somebody, parentheses can help.

llvm-svn: 223111
 2014-12-02 09:46:56 +00:00
Daniel Jasper
9e709351c5 clang-format: Add SFS_Empty to only empty functions on a single line. 
Activated for and tested by Google's Java style.

This fixes llvm.org/PR21667.

llvm-svn: 222819
 2014-11-26 10:43:58 +00:00
Daniel Jasper
79f226e780 clang-format: Make short case labels work with #ifs 
Before:
  switch (a) {
  #if FOO
  case 0: return 0; #endif
  }

After:
  switch (a) {
  #if FOO
  case 0: return 0;
  #endif
  }

This fixed llvm.org/PR21544.

llvm-svn: 222642
 2014-11-23 21:45:03 +00:00
Daniel Jasper
bb86d847ba clang-format: Improve ObjC blocks with return type. 
Before:
  Block b = ^int * (A * a, B * b) {}

After:
  Block b = ^int *(A *a, B *b) {}

This fixed llvm.org/PR21619.

llvm-svn: 222639
 2014-11-23 19:15:35 +00:00
Daniel Jasper
bcb55eec3a clang-format: Understand more lambda return types. 
Before:
  auto a = [&b, c ](D * d) -> D * {}

After:
 auto a = [&b, c](D* d) -> D* {}

llvm-svn: 222534
 2014-11-21 14:08:38 +00:00
Daniel Jasper
4b444495ed clang-format: Use nested block special case for all languages. 
Previously this was only used for JavaScript.

Before:
  functionCall({
                 int i;
                 int j;
               },
               aaaa, bbbb, cccc);

After:
  functionCall({
    int i;
    int j;
  }, aaaa, bbbb, cccc);

llvm-svn: 222531
 2014-11-21 13:38:53 +00:00
Daniel Jasper
d081e88e79 clang-format: Handle comments in short case labels. 
With AllowShortCaseLabelsOnASingleLine set to true:
This gets now left unchanged:
  case 1:
    // comment
    return;

Whereas before it was changed into:
  case 1: // comment return;

This fixes llvm.org/PR21630.

llvm-svn: 222529
 2014-11-21 12:36:25 +00:00
Daniel Jasper
3aa9a6a126 clang-format: Add option to disable alignment after opening brackets 
Before:
  SomeFunction(parameter,
               parameter);

After:
  SomeFunction(parameter,
      parameter);

Patch by Harry Terkelsen, thank you!

llvm-svn: 222284
 2014-11-18 23:55:27 +00:00
Daniel Jasper
e1e348b857 clang-format: Fix more incorrect pointer detection. 
Before:
  Constructor() : a(a), b(c, d *e) {}

After:
  Constructor() : a(a), b(c, d * e) {}

llvm-svn: 222158
 2014-11-17 18:42:22 +00:00
Daniel Jasper
6a3fd8361f clang-format: Fix regression introduced in r221609. 
Before:
  void f() { f(a, c *d); }

After:
  void f() { f(a, c * d); }

llvm-svn: 222128
 2014-11-17 13:55:04 +00:00
Daniel Jasper
d127e3b6af clang-format: Correctly detect multiplication in ctor initializer. 
Before:
  Constructor() : a(a), area(width *height) {}

After:
  Constructor() : a(a), area(width * height) {}

llvm-svn: 222010
 2014-11-14 17:26:49 +00:00
Daniel Jasper
6c0ee17b89 clang-format: Improve function parameter packing. 
Before:
  void SomeLoooooooooooongFunction(
      std::unique_ptr<aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>
          aaaaaaaaaaaaaaaaaaaaaaaaaa, int bbbbbbbbbbbbb);

After:
  void SomeLoooooooooooongFunction(
      std::unique_ptr<aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>
          aaaaaaaaaaaaaaaaaaaaaaaaaa,
      int bbbbbbbbbbbbb);

llvm-svn: 221989
 2014-11-14 13:14:45 +00:00
Daniel Jasper
6c22c44e12 clang-format: Support assignments as conditional operands. 
Before:
  return a != b
             // comment
             ? a
             : a = a != b
                   // comment
         ? a =
               b : a;
After:
  return a != b
             // comment
             ? a
             : a = a != b
                       // comment
                       ? a = b
                       : a;

llvm-svn: 221987
 2014-11-14 13:03:40 +00:00
Daniel Jasper
119ff533e4 clang-format: Improve indentation of comments in expressions. 
Before:
  int i = (a)
              // comment
          + b;
  return aaaa == bbbb
                 // comment
             ? aaaa
             : bbbb;
After:
  int i = (a)
          // comment
          + b;
  return aaaa == bbbb
             // comment
             ? aaaa
             : bbbb;

llvm-svn: 221985
 2014-11-14 12:31:14 +00:00
Nico Weber
34272657de clang-format: Format extern "C" blocks like namespace blocks. 
namespace blocks act as if KeepEmptyLinesAtTheStartOfBlocks is always true,
and aren't collapsed to a single line even if they would fit. Do the same
for extern "C" blocks.

Before,

  extern "C" {

  void ExternCFunction();

  }

was collapsed into `extern "C" { void ExternCFunction(); }`. Now it stays like
it was.

Fixes http://crbug.com/432640 and part of PR21419.

llvm-svn: 221897
 2014-11-13 16:25:37 +00:00
Daniel Jasper
3eb341c478 clang-format: Improve handling of comments in binary expressions. 
Before:
  b = a &&
      // Comment
      b.c &&
      d;

After:
  b = a &&
      // Comment
      b.c && d;

This fixes llvm.org/PR21535.

llvm-svn: 221727
 2014-11-11 23:04:51 +00:00
Daniel Jasper
64a328e96f clang-format: Preserve trailing-comma logic even with comments. 
Before:
  vector<int> SomeVector = {// aaa
                            1, 2,
  };

After:
  vector<int> SomeVector = {
      // aaa
      1, 2,
  };

llvm-svn: 221699
 2014-11-11 19:34:57 +00:00
Daniel Jasper
0bd9a19b28 clang-format: Fix pointer formatting. 
Before:
  void f(Bar* a = nullptr, Bar * b);
After:
  void f(Bar* a = nullptr, Bar* b);

llvm-svn: 221609
 2014-11-10 16:57:30 +00:00
Daniel Jasper
e551bb70a3 Revert "clang-format: [js] Updates to Google's JavaScript style." 
This reverts commit eefd2eaad43c5c2b17953ae7ed1e72b28e696f7b.

Apparently, this change was a bit premature.

llvm-svn: 221365
 2014-11-05 17:22:31 +00:00
Daniel Jasper
502fac38e9 clang-format: Add test to prevent regression in r221125. 
llvm-svn: 221339
 2014-11-05 10:55:36 +00:00
Daniel Jasper
680b09ba88 clang-format: Improve free-standing macro detection. 
Before:
  SOME_WEIRD_LOG_MACRO
  << "Something long enough to cause a line break";

After:
  SOME_WEIRD_LOG_MACRO
      << "Something long enough to cause a line break";

llvm-svn: 221338
 2014-11-05 10:48:04 +00:00
Daniel Jasper
8022226db7 clang-format: Fix false positive in lambda detection. 
Before:
  delete [] a -> b;

After:
  delete[] a->b;

This fixes part of llvm.org/PR21419.

llvm-svn: 221114
 2014-11-02 22:46:42 +00:00
Daniel Jasper
f739b0dbfa clang-format: [js] Updates to Google's JavaScript style. 
The style guide is changing..

llvm-svn: 220977
 2014-10-31 17:50:40 +00:00
Daniel Jasper
ac29eaccd2 clang-format: Format line if invoked on the trailing newline. 
llvm-svn: 220883
 2014-10-29 23:40:50 +00:00
Daniel Jasper
f0c809a19b clang-format: Improve && detection as binary operator. 
Before:
  template <class T,
            class = typename ::std::enable_if<
                ::std::is_array<T>{}&& ::std::is_array<T>{}>::type>
  void F();

After:
  template <class T,
            class = typename ::std::enable_if<
                ::std::is_array<T>{} && ::std::is_array<T>{}>::type>
  void F();

llvm-svn: 220813
 2014-10-28 18:28:22 +00:00
Daniel Jasper
acb7e25d5f clang-format: Fix test. 
llvm-svn: 220807
 2014-10-28 18:18:02 +00:00
Daniel Jasper
13a7f469be clang-format: Improve && detection as binary operators. 
Before:
  template <class T, class = typename std::enable_if<std::is_integral<
                         T>::value &&(sizeof(T) > 1 || sizeof(T) < 8)>::type>
  void F();

After:
  template <class T, class = typename std::enable_if<
                         std::is_integral<T>::value &&
                         (sizeof(T) > 1 || sizeof(T) < 8)>::type>
  void F();

llvm-svn: 220805
 2014-10-28 18:11:52 +00:00
Daniel Jasper
2ad0aba610 clang-format: Improve function declaration detection. 
Before:
  ReturnType MACRO
      FunctionName() {}

After:
  ReturnType MACRO
  FunctionName() {}

This fixes llvm.org/PR21404.

I wonder what the motivation for that if-condition was. But as no test
breaks, ...

llvm-svn: 220801
 2014-10-28 17:06:04 +00:00
Daniel Jasper
50d634b343 clang-format: [ObjC] Add separate flag to control indentation in blocks 
Apparently, people are very much divided on what the "correct"
indentation is. So, best to give them a choice.

The new flag is called ObjCBlockIndentWidth and the default is now set
to the same value as IndentWidth for the pre-defined styles.

llvm-svn: 220784
 2014-10-28 16:53:38 +00:00
Daniel Jasper
e068ac77a2 clang-format: Don't break after very short return types. 
Before:
  void
  SomeFunction(int parameter);

After:
  void SomeFunction(
      int parameter);

(Unless AlwaysBreakAfterDefinitionReturnType after type is set).

llvm-svn: 220686
 2014-10-27 17:13:59 +00:00
Daniel Jasper
5634619389 clang-format: Fix bad merging of lines in nested blocks. 
Before:
  SomeFunction([]() {
  #define A a
    return 43; });

After:
  SomeFunction([]() {
  #define A a
    return 43;
  });

llvm-svn: 220684
 2014-10-27 16:31:46 +00:00
Daniel Jasper
f322eb5c45 clang-format: Fix incorrect space after "<". 
Before:
  bool a = 2 <::SomeFunction();

After:
  bool a = 2 < ::SomeFunction();

llvm-svn: 220505
 2014-10-23 20:22:22 +00:00
Daniel Jasper
76284683f1 clang-format: Use AllowShortBlocksOnASingleLine for ObjC blocks, too. 
llvm-svn: 220375
 2014-10-22 09:12:44 +00:00
Daniel Jasper
b52c69e567 clang-format: Fix broken test. 
llvm-svn: 220374
 2014-10-22 09:01:12 +00:00
Daniel Jasper
e8a4939b77 clang-format: Fix incorrect trailing return arrow detection. 
Before:
  auto doSomething(Aaaaaa* aaaaaa) -> decltype(aaaaaa -> f()) {}

After:
  auto doSomething(Aaaaaa* aaaaaa) -> decltype(aaaaaa->f()) {}

llvm-svn: 220373
 2014-10-22 08:42:58 +00:00
Daniel Jasper
f1f267b447 clang-format: [ObjC] Fix spacing in block variable parameters. 
Before:
  { void (^block)(Object * x); }

After:
  { void (^block)(Object *x); }

llvm-svn: 220270
 2014-10-21 07:57:50 +00:00
Daniel Jasper
38efc13191 clang-format: Fix space in direct destructor calls. 
Before:
  void F(int& i) { i. ~int(); }

After:
  void F(int& i) { i.~int(); }

Also, some cleanups.

llvm-svn: 220269
 2014-10-21 07:51:54 +00:00
Daniel Jasper
8835a32078 clang-format: Fix overloaded operator edge case. 
Before:
  template <class F>
  void Call(F f) {
    f.template operator() <int>();
  }

After:
  template <class F>
  void Call(F f) {
    f.template operator()<int>();
  }

llvm-svn: 220202
 2014-10-20 13:56:30 +00:00
Daniel Jasper
7858079246 clang-format: [ObjC] Fix using selector names as macro arguments. 
Before:
  [self aaaaa:MACRO(a, b :, c :)];

After:
  [self aaaaa:MACRO(a, b:, c:)];

llvm-svn: 220197
 2014-10-20 12:01:45 +00:00
Daniel Jasper
86296e36d7 clang-format: Fix indentation of struct definitions with array init. 
Before:
  struct {
    int x;
    int y;
  } points[] = {
        {1, 2}, {2, 3},
  };

After:
  struct {
    int x;
    int y;
  } points[] = {
      {1, 2}, {2, 3},
  };

llvm-svn: 220195
 2014-10-20 11:12:51 +00:00
Daniel Jasper
da07a72928 clang-format: Prefer breaking before trailing return arrows. 
Before:
  auto SomeFunction(
      A aaaaaaaaaaaaaaaaaaaaa) const -> decltype(f(aaaaaaaaaaaaaaaaaaaaa)) {}

After:
  auto SomeFunction(A aaaaaaaaaaaaaaaaaaaaa) const
      -> decltype(f(aaaaaaaaaaaaaaaaaaaaa)) {}

llvm-svn: 220043
 2014-10-17 14:37:40 +00:00
Daniel Jasper
1a31bab301 clang-format: Fix behavior with comments before conditional expressions 
Before:
  SomeFunction(aaaaaaaaaaaaaaaaa,
               // comment.
                   ccccccccccccccccc ? aaaaaaaaaaaaaaaaaaaa
                                     : bbbbbbbbbbbbbbbbbbbb);

After:
  SomeFunction(aaaaaaaaaaaaaaaaa,
               // comment.
               ccccccccccccccccc ? aaaaaaaaaaaaaaaaaaaa : bbbbbbbbbbbbbbbbbbbb);

llvm-svn: 219921
 2014-10-16 09:10:11 +00:00
Daniel Jasper
ea772b4df2 clang-format: [ObjC] Fix method expression detection. 
Before:
  return (a)[foo bar : baz];

After:
  return (a)[foo bar:baz];

llvm-svn: 219919
 2014-10-16 08:38:51 +00:00
Daniel Jasper
ec8e838baa clang-format: [ObjC] Wrap ObjC method declarations before annotations. 
Before:
  - (instancetype)initXxxxxxxxxxxxxxxxxxxxxxxxx:(id<x>)x
                                              y:(id<yyyyyyyyyyyyyyyyyyyy>)
                                                    y NS_DESIGNATED_INITIALIZER;
After:
  - (instancetype)initXxxxxxxxxxxxxxxxxxxxxxxxx:(id<x>)x
                                              y:(id<yyyyyyyyyyyyyyyyyyyy>)y
      NS_DESIGNATED_INITIALIZER;

llvm-svn: 219564
 2014-10-11 08:24:56 +00:00
Daniel Jasper
18210d7d2f clang-format: Add option to control call argument bin-packing separately 
This is desirable for the Chromium style guide:
http://www.chromium.org/developers/coding-style

llvm-svn: 219400
 2014-10-09 09:52:05 +00:00
Daniel Jasper
4281c5ae01 clang-format: Fix bug with comments between non-trival parameters. 
Before:
  SomeFunction(a, a,
               // comment
                      b + x);

After:
  SomeFunction(a, a,
               // comment
               b + x);

llvm-svn: 219209
 2014-10-07 14:45:34 +00:00
Daniel Jasper
a45eb4c000 clang-format: If in doubt, assume '+' is a binary operator. 
Before:
  #define LENGTH(x, y) (x) - (y)+1

After:
  #define LENGTH(x, y) (x) - (y) + 1

llvm-svn: 219119
 2014-10-06 13:16:43 +00:00
Daniel Jasper
91881d99f7 clang-format: Fix GCC warning about implicit bool pointer conversion. 
Introduced in r217880.

llvm-svn: 218597
 2014-09-29 08:07:46 +00:00
Nico Weber
7533b4dada clang-format: Don't let -style=Chromium imply c++03 template formatting. 
Chromium's now using some c++11 language features, so it's now fine that
clang-format produces vector<vector<int>>.

llvm-svn: 218392
 2014-09-24 17:17:32 +00:00
Daniel Jasper
540dbe29bc clang-format: Prevent column layout if elements aren't uniform enough. 
This patch only considers the difference between the length of the
shortest and longest element, but we might want to look at other
features (token count, etc.) in future.

Before:
  std::vector<MyValues> aaaaaaaaaaaaaaaaaaa{
      aaaaaaa,      aaaaaaaaaa,
      aaaaa,        aaaaaaaaaaaaaaa,
      aaa,          aaaaaaaaaa,
      a,            aaaaaaaaaaaaaaaaaaaaa,
      aaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaa,
      aaaaaaa,      a};

After:
  std::vector<MyValues> aaaaaaaaaaaaaaaaaaa{
      aaaaaaa, aaaaaaaaaa, aaaaa, aaaaaaaaaaaaaaa, aaa, aaaaaaaaaa, a,
      aaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaa,
      aaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaa, aaaaaaa, a};

llvm-svn: 218111
 2014-09-19 08:28:43 +00:00
Daniel Jasper
a41aa536dc clang-format: Undo r216377. 
It has proven to not be a food idea in many case.

llvm-svn: 218107
 2014-09-19 08:01:25 +00:00
Daniel Jasper
b23e20b7f5 clang-format: Allow unbroken ::: in inline assembly. 
Before:
  asm volatile("nop" :: : "memory");

After:
  asm volatile("nop" ::: "memory");

Patch by Eugene Toder. Thank you.

llvm-svn: 217883
 2014-09-16 16:36:57 +00:00
Daniel Jasper
0085300a24 clang-format: Restructure and add missing tests. 
Patch by Jean-Philippe Dufraigne, Thank you!

llvm-svn: 217880
 2014-09-16 16:22:30 +00:00
Daniel Jasper
ac043c900c clang-format: Add option to break before non-assignment operators. 
This will allow:
  int aaaaaaaaaaaaaa =
      bbbbbbbbbbbbbb
      + ccccccccccccccc;

llvm-svn: 217757
 2014-09-15 11:11:00 +00:00
Daniel Jasper
d6f17d83a3 clang-format: Improve line breaks at function calls. 
Before:
  EXPECT_CALL(SomeObject, SomeFunction(Parameter)).Times(2).WillRepeatedly(
      Return(SomeValue));

After:
  EXPECT_CALL(SomeObject, SomeFunction(Parameter))
      .Times(2)
      .WillRepeatedly(Return(SomeValue));

llvm-svn: 217687
 2014-09-12 16:35:28 +00:00
Roman Kashitsyn
650ecb53ca Fix bug 20892 - clang-format does not handle C-style comments 
Summary:
http://llvm.org/bugs/show_bug.cgi?id=20892

Add support of C-style formatting enabling/disabling directives. Now the following two styles are supported:

  // clang-format on
  /* clang-format on */

The flexibility in comments (support of extra spaces and/or slashes, etc.) is deliberately avoided to simplify search in large code bases.

Reviewers: djasper

Reviewed By: djasper

Subscribers: cfe-commits, curdeius, klimek

Differential Revision: http://reviews.llvm.org/D5309

llvm-svn: 217588
 2014-09-11 14:47:20 +00:00
Daniel Jasper
b87899b567 clang-format: Add option to allow short case labels on a single line. 
On a single line:
  switch (a) {
  case 1: x = 1; return;
  case 2: x = 2; return;
  default: break;
  }

Not on a single line:
  switch (a) {
  case 1:
    x = 1;
    return;
  case 2:
    x = 2;
    return;
  default:
    break;
  }

This partly addresses llvm.org/PR16535. In the long run, we probably want to
lay these out in columns.

llvm-svn: 217501
 2014-09-10 13:11:45 +00:00
Daniel Jasper
db986eb6bb clang-format: Add an option 'SpaceAfterCStyleCast'. 
This permits to add a space after closing parenthesis of a C-style cast.
Defaults to false to preserve old behavior.

Fixes llvm.org/PR19982.

Before:
  (int)i;

After:
  (int) i;

Patch by Marek Kurdej.

llvm-svn: 217022
 2014-09-03 07:37:29 +00:00
Daniel Jasper
73e171f76d clang-format: Fix unary operator detection in corner case. 
Before:
  decltype(* ::std::declval<const T &>()) void F();

After:
  decltype(*::std::declval<const T &>()) void F();

llvm-svn: 216724
 2014-08-29 12:54:38 +00:00
Daniel Jasper
168c8aa679 clang-format: Fix regression in formatting of braced initializers. 
Before:
  Node n{1, Node{1000}, //
                2};

After:
  Node n{1, Node{1000}, //
         2};

llvm-svn: 216540
 2014-08-27 11:53:26 +00:00
Daniel Jasper
8f46365481 clang-format: Don't butcher __asm blocks. 
Instead completely cop out of formatting them for now.

This fixes llvm.org/PR20618.

llvm-svn: 216501
 2014-08-26 23:15:12 +00:00
Daniel Jasper
ad981f888a clang-format: New option SpacesInSquareBrackets. 
Before:
  int a[5];
  a[3] += 42;

After:
  int a[ 5 ];
  a[ 3 ] += 42;

Fixes LLVM bug #17887 (http://llvm.org/bugs/show_bug.cgi?id=17887).

Patch by Marek Kurdej, thank you!

llvm-svn: 216449
 2014-08-26 11:41:14 +00:00
Daniel Jasper
610381ff07 clang-format: Improve handling of block comments in braced lists. 
Before:
  std::vector<int> v = {
      1, 0 /* comment */
  };

After:
  std::vector<int> v = {1, 0 /* comment */};

llvm-svn: 216445
 2014-08-26 09:37:52 +00:00
Daniel Jasper
4b3ba214d0 clang-format: Understand sequenced casts. 
This fixed llvm.org/PR20712.

Before:
  int i = (int)(int) -2;

After:
  int i = (int)(int)-2;

llvm-svn: 216378
 2014-08-25 09:36:07 +00:00
Daniel Jasper
7189fb2cf9 clang-format: Improve formatting of nested builder-type calls. 
Before:
  f(FirstToken->WhitespaceRange.getBegin().getLocWithOffset(
      First->LastNewlineOffset));

After:
  f(FirstToken->WhitespaceRange.getBegin()
        .getLocWithOffset(First->LastNewlineOffset));

llvm-svn: 216377
 2014-08-25 08:48:17 +00:00
Daniel Jasper
ea79ea1627 clang-format: Prefer breaking after return type over template param 
Before:
  typename aaaaaaaaaa<aaaaaa>::aaaaaaaaaaa aaaaaaaaaa<
      aaaaaa>::aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(bool *aaaaaaaaaaaaaaaaaa,
                                                   bool *aa) {}

After:
  typename aaaaaaaaaa<aaaaaa>::aaaaaaaaaaa
  aaaaaaaaaa<aaaaaa>::aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(
      bool *aaaaaaaaaaaaaaaaaa, bool *aa) {}

llvm-svn: 215693
 2014-08-15 05:00:39 +00:00
Alexander Kornienko
c6221a58ec Split a large unit-test, so that it doesn't exceed stack frame size in certain test environments 
llvm-svn: 215639
 2014-08-14 13:07:35 +00:00
Daniel Jasper
db76479d73 clang-format: Fix AlwaysBreakAfterDefinitionReturnType in Stroutrup style 
Before:
  template <class T>
  T *f(T &c)  // Problem here: no line break before f
  {
    return NULL;
  }

After:
  template <class T>
  T *
  f(T &c)
  {
    return NULL;
  }

Patch by Marek Kurdej, thank you!

llvm-svn: 215633
 2014-08-14 11:36:03 +00:00
Daniel Jasper
1904e9b98d clang-format: Support chained dereferenced assignments. 
Before:
  x = * a(x) = *a(y);

After:
  x = *a(x) = *a(y);

llvm-svn: 215632
 2014-08-14 10:53:19 +00:00