726 Commits

Author SHA1 Message Date
Daniel Jasper
bf02b2c186 clang-format: Quickfix for braced init lists detected as lambdas.
Before:
  constexpr char hello [] { "hello" };

After:
  constexpr char hello[]{ "hello" };

llvm-svn: 190046
2013-09-05 11:49:39 +00:00
Daniel Jasper
9a8d48b5e1 clang-format: Fix parsing and indenting lambdas.
Before:
  void f() {
    other(x.begin(), x.end(), //
                         [&](int, int) { return 1; });
  }

After:
  void f() {
    other(x.begin(), x.end(), //
          [&](int, int) { return 1; });
  }

llvm-svn: 190039
2013-09-05 10:04:31 +00:00
Daniel Jasper
9fe0e8dacd clang-format: Enable formatting of nested blocks.
Among other things, this enables (better) formatting lambdas and
constructs like:
  MACRO({
          long_statement();
          long_statement_2();
        },
        {
          long_statement();
          long_statement_2();
        },
        { short_statement(); }, "");

This fixes llvm.org/PR15381.

llvm-svn: 190038
2013-09-05 09:29:45 +00:00
Alexander Kornienko
b40cfe4866 Handle 'Cpp03' and 'Cpp11' strings in LanguageStandard serialization for
consistency of serialized form with the actual enum member names without
a prefix.

llvm-svn: 189936
2013-09-04 14:09:13 +00:00
Manuel Klimek
516e054c05 Implement parsing of blocks (^{ ... }) in the unwrapped line parser.
This patch makes sure we produce the right number of unwrapped lines,
a follow-up patch will make the whitespace formatting consistent.

Before:
 void f() {
   int i = {[operation setCompletionBlock : ^{ [self onOperationDone];
 }]
 }
 ;
 }

After:
 void f() {
   int i = {[operation setCompletionBlock : ^{
     [self onOperationDone];
   }] };
 }

llvm-svn: 189932
2013-09-04 13:25:30 +00:00
Manuel Klimek
a1a43abe38 More lambda formatting tests; update test comments.
llvm-svn: 189928
2013-09-04 10:06:46 +00:00
Manuel Klimek
bab25fdfa5 Fix layout of lambda captures.
Before:
 int c = [ &, &a, a]{
   [ =, c, &d]{
     return b++;
   }();
 }();

After:
 int c = [&, &a, a] {
   [=, c, &d] {
     return b++;
   }();
 }();

llvm-svn: 189924
2013-09-04 08:20:47 +00:00
Manuel Klimek
ffdeb595ba First step towards correctly formatting lambdas.
Implements parsing of lambdas in the UnwrappedLineParser.
This introduces the correct line breaks; the formatting of
lambda captures are still incorrect, and the braces are also
still formatted as if they were braced init lists instead of
blocks.

llvm-svn: 189818
2013-09-03 15:10:01 +00:00
Daniel Jasper
42401c8d13 clang-format: Fix segfault in overloaded operator parsing.
Before, constructs like:
  using A::operator+;

caused a segfault. This fixes llvm.org/PR17050.

llvm-svn: 189749
2013-09-02 09:20:39 +00:00
Daniel Jasper
7240762504 clang-format: Fix case-indentation in macros.
Before:
  #define OPERATION_CASE(name)           \
    case OP_name:                        \
    return operations::Operation##name

After:
  #define OPERATION_CASE(name)           \
    case OP_name:                        \
      return operations::Operation##name

llvm-svn: 189743
2013-09-02 08:26:29 +00:00
Daniel Jasper
8ddfa8489b clang-format: Enable formatting of protocol buffer definitions.
Almost by accident, clang-format seems to be able to format protocol
buffer definitions (https://code.google.com/p/protobuf/).

The only change is that a space is required between numeric constants
and opening square brackets (for default values). While this might in
theory be used for array subscripts (int val = 4[MyArray]), I have not
seen this pattern in practice much. If this is wrong, we can make this
smarter in the future.

llvm-svn: 189663
2013-08-30 10:36:58 +00:00
Daniel Jasper
b715087278 clang-format: Improve recovery from enums with errors.
Before:
  namespace n {
  enum Type {
    One,
    Two, // missing };
    int i;
  } void g() {
  }

After:
  namespace n {
  enum Type {
    One,
    Two, // missing };
    int i;
  }
  void g() {}

llvm-svn: 189662
2013-08-30 10:10:19 +00:00
Daniel Jasper
f79b0b1562 clang-format: Fix incorrect indentation.
Before:
aaaaaaaaaa(bbbbbbbbbbbbbbbbbbbbbbbbb.ccccccccccccccccc(
               dddddddddddddddddddddddddddddd));
aaaaaaaaaaa(bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb(
    dddddddddddddddddddddddddddddd));

After:
aaaaaaaaaaa(bbbbbbbbbbbbbbbbbbbbbbbbb.ccccccccccccccccc(
    dddddddddddddddddddddddddddddd));
aaaaaaaaaaa(bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb(
    dddddddddddddddddddddddddddddd));

This was overlooked when interducing the new builder-type call
detection in r189337. Also, some minor reorganization of a test.

llvm-svn: 189658
2013-08-30 08:29:25 +00:00
Daniel Jasper
2cf664fb86 clang-format: Don't indent builders relative to "return".
While this looks kind of nice, it wastes horizontal space and does not
seem to be common in the LLVM codebase.

Before:
  return llvm::StringSwitch<Reference::Kind>(name)
      .StartsWith(".eh_frame_hdr", ORDER_EH_FRAMEHDR)
      .StartsWith(".eh_frame", ORDER_EH_FRAME)
      .StartsWith(".init", ORDER_INIT)
      .StartsWith(".fini", ORDER_FINI)
      .StartsWith(".hash", ORDER_HASH)
      .Default(ORDER_TEXT);

After:
  return llvm::StringSwitch<Reference::Kind>(name)
             .StartsWith(".eh_frame_hdr", ORDER_EH_FRAMEHDR)
             .StartsWith(".eh_frame", ORDER_EH_FRAME)
             .StartsWith(".init", ORDER_INIT)
             .StartsWith(".fini", ORDER_FINI)
             .StartsWith(".hash", ORDER_HASH)
             .Default(ORDER_TEXT);

llvm-svn: 189657
2013-08-30 07:27:13 +00:00
Daniel Jasper
f8151e9bc1 clang-format: Fix corner case in builder-type calls.
Before:
  aaaaaaaaaaaaa->aaaaaaaaaaaaaaaaaaaaaaaa()->aaaaaaaaaaaaaae(
                                                 0)->aaaaaaaaaaaaaaa();

After:
  aaaaaaaaaaaaa->aaaaaaaaaaaaaaaaaaaaaaaa()
      ->aaaaaaaaaaaaaae(0)
      ->aaaaaaaaaaaaaaa();

llvm-svn: 189655
2013-08-30 07:12:40 +00:00
Alexander Kornienko
d7b837e78d Better support for multiline string literals (including C++11 raw string literals).
Summary:
Calculate characters in the first and the last line correctly so that
we only break before the literal when needed.

Reviewers: djasper

Reviewed By: djasper

CC: cfe-commits, klimek

Differential Revision: http://llvm-reviews.chandlerc.com/D1544

llvm-svn: 189595
2013-08-29 17:32:57 +00:00
Manuel Klimek
31c85921b2 Fixes various problems with accounting for tabs in the original code.
We now count the original token's column directly when lexing the
tokens, where we already have all knowledge about where lines start.

Before this patch, formatting:
 void f() {
 \tg();
 \th();
 }
would incorrectly count the \t's as 1 character if only the line
containing h() was reformatted, and thus indent h() at offset 1.

llvm-svn: 189585
2013-08-29 15:21:40 +00:00
Daniel Jasper
2739af3b9c clang-format: Improve token breaking behavior.
Two changes:
* Don't add an extra penalty on breaking the same token multiple times.
  Generally, we should prefer not to break, but once we break, the
  normal line breaking penalties apply.
* Slightly increase the penalty for breaking comments. In general, the
  author has put some thought into how to break the comment and we
  should not overwrite this unnecessarily.

With a 40-column column limit, formatting
  aaaaaa("aaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaa");

Leads to:
Before:
  aaaaaa(
      "aaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaa "
      "aaaaaaaaaaaaaaaa");

After:
  aaaaaa("aaaaaaaaaaaaaaaa "
         "aaaaaaaaaaaaaaaa "
         "aaaaaaaaaaaaaaaa");

llvm-svn: 189466
2013-08-28 10:03:58 +00:00
Daniel Jasper
96df37a6a1 clang-format: Fix segfault in 'incomplete' macros.
The code leading to a segfault was:
  #pragma omp threadprivate(y)), // long comment leading to a line break

This fixes llvm.org/PR16513.

llvm-svn: 189460
2013-08-28 09:17:37 +00:00
Daniel Jasper
a49393f54d clang-format: Fix infinite loop in macro special case.
If escaped newlines are aligned right
(FormatStyle.AlignEscapedNewlinesLeft == false), and a line contained
too many characters to fit into the column limit, this would result in
a (virtually) endless loop creating a negative number of spaces.

Instead, allow the escaped newlines to be pushed past the column limit
in this case.

This fixes llvm.org/PR16515.

llvm-svn: 189459
2013-08-28 09:07:32 +00:00
Daniel Jasper
ed8f1c6dce clang-format: Don't insert space in __has_include
Before:
  #if __has_include( <strstream>)
  #include <strstream>
  #endif

After:
  #if __has_include(<strstream>)
  #include <strstream>
  #endif

This fixes llvm.org/PR16516.

llvm-svn: 189455
2013-08-28 08:24:04 +00:00
Daniel Jasper
a15da3068d clang-format: Fix corner case in ObjC interface definitions.
In
  @implementation ObjcClass
  - (void)method;
  {
  }
  @end
the ObjC compiler seems to accept the superfluous comma after "method",
but clang-format used to assert on the subsequent "{".

This fixes llvm.org/PR16604.

llvm-svn: 189453
2013-08-28 08:04:23 +00:00
Daniel Jasper
65b79829c3 clang-format: Improve braced init list detection:
Before:
  std::this_thread::sleep_for(std::chrono::nanoseconds{
    std::chrono::seconds { 1 }
  } /
                              5);

After:
  std::this_thread::sleep_for(
      std::chrono::nanoseconds{ std::chrono::seconds{ 1 } } / 5);

This fixes llvm.org/PR16554.

llvm-svn: 189451
2013-08-28 07:50:37 +00:00
Daniel Jasper
d215b8bde2 clang-format: Fix corner case in overloaded operator definitions.
Before:
  SomeLoooooooooooooooooooooooooogType operator>
      >(const SomeLooooooooooooooooooooooooogType &other);
  SomeLoooooooooooooooooooooooooogType // break
      operator>>(const SomeLooooooooooooooooooooooooogType &other);

After:
  SomeLoooooooooooooooooooooooooogType
  operator>>(const SomeLooooooooooooooooooooooooogType &other);
  SomeLoooooooooooooooooooooooooogType // break
  operator>>(const SomeLooooooooooooooooooooooooogType &other);

This fixes llvm.org/PR16328.

llvm-svn: 189450
2013-08-28 07:27:35 +00:00
Daniel Jasper
11be8ac590 clang-format: Fix space in decltype-constexprs.
Before:
  static constexpr bool Bar = decltype(bar()) ::value;

After:
  static constexpr bool Bar = decltype(bar())::value;

llvm-svn: 189449
2013-08-28 07:07:07 +00:00
Daniel Jasper
4c6e00595b clang-format: Format segments of builder-type calls one per line.
This fixes llvm.org/PR14818.

Before:
  return llvm::StringSwitch<Reference::Kind>(name)
             .StartsWith(".eh_frame_hdr", ORDER_EH_FRAMEHDR)
             .StartsWith(".eh_frame", ORDER_EH_FRAME)
             .StartsWith(".init", ORDER_INIT).StartsWith(".fini", ORDER_FINI)
             .StartsWith(".hash", ORDER_HASH).Default(ORDER_TEXT);

After:
  return llvm::StringSwitch<Reference::Kind>(name)
             .StartsWith(".eh_frame_hdr", ORDER_EH_FRAMEHDR)
             .StartsWith(".eh_frame", ORDER_EH_FRAME)
             .StartsWith(".init", ORDER_INIT)
             .StartsWith(".fini", ORDER_FINI)
             .StartsWith(".hash", ORDER_HASH)
             .Default(ORDER_TEXT);

llvm-svn: 189353
2013-08-27 14:24:43 +00:00
Daniel Jasper
b27c4b7cb5 clang-format: Revamp builder-type call formatting.
Previously builder-type calls were only correctly recognized in
top-level calls.

This fixes llvm.org/PR16981.
Before:
  someobj->Add((new util::filetools::Handler(dir))->OnEvent1(
      NewPermanentCallback(this, &HandlerHolderClass::EventHandlerCBA))
                   ->OnEvent2(NewPermanentCallback(
                                  this, &HandlerHolderClass::EventHandlerCBB))
                   ->OnEvent3(NewPermanentCallback(
                                  this, &HandlerHolderClass::EventHandlerCBC))
                   ->OnEvent5(NewPermanentCallback(
                                  this, &HandlerHolderClass::EventHandlerCBD))
                   ->OnEvent6(NewPermanentCallback(
                         this, &HandlerHolderClass::EventHandlerCBE)));

After:
  someobj->Add((new util::filetools::Handler(dir))
                   ->OnEvent1(NewPermanentCallback(
                         this, &HandlerHolderClass::EventHandlerCBA))
                   ->OnEvent2(NewPermanentCallback(
                         this, &HandlerHolderClass::EventHandlerCBB))
                   ->OnEvent3(NewPermanentCallback(
                         this, &HandlerHolderClass::EventHandlerCBC))
                   ->OnEvent5(NewPermanentCallback(
                         this, &HandlerHolderClass::EventHandlerCBD))
                   ->OnEvent6(NewPermanentCallback(
                         this, &HandlerHolderClass::EventHandlerCBE)));

llvm-svn: 189337
2013-08-27 11:09:05 +00:00
Daniel Jasper
cb3f0ed817 clang-format: Fix bug in column layout.
Before (with 60 character limit in Google style):
  return {
      {aaaaaaaaaaaaaaaaaaaaaaaaa}, {aaaaaaaaaaaaaaaaa},
      {aaaaaaaaaaaaaaaaaaaaaaaaa}, {aaaaaaaaaaaaaaaaa}};
After:
  return {{aaaaaaaaaaaaaaaaaaaaaaaaa}, {aaaaaaaaaaaaaaaaa},
          {aaaaaaaaaaaaaaaaaaaaaaaaa}, {aaaaaaaaaaaaaaaaa}};

llvm-svn: 189327
2013-08-27 08:43:47 +00:00
Daniel Jasper
8863ada85b clang-format: Fix bug in column-layout formatting.
Specific arrangements of comments after trailing commas could confuse
the column width calculation, e.g. in:

vector<int> x = { a, b,
                  /* some */ /* comment */ };

llvm-svn: 189211
2013-08-26 08:10:17 +00:00
Daniel Jasper
0649d36172 clang-format: Fix indentation relative to unary expressions.
This should be done, only if we are still in the unary expression's
scope.

Before:
  bool aaaa = !aaaaaaaa(  // break
                   aaaaaaaaaaa);
  *aaaaaa = aaaaaaa( // break
       aaaaaaaaaaaaaaaa);

After:
  bool aaaa = !aaaaaaaa(  // break
                   aaaaaaaaaaa); // <- (unchanged)
  *aaaaaa = aaaaaaa( // break
      aaaaaaaaaaaaaaaa); // <- (no longer indented relative to "*")

llvm-svn: 189108
2013-08-23 15:14:03 +00:00
Daniel Jasper
f438cb7619 clang-format: Fix corner case for string splitting ..
.. in conjunction with Style.AlwaysBreakBeforeMultilineStrings. Also,
simplify the implementation by handling newly split strings and already
split strings by the same code.

llvm-svn: 189102
2013-08-23 11:57:34 +00:00
Daniel Jasper
f93551c8b1 clang-format: Handle trailing commas in column layout of braced list.
Before, this was causing errors.

Also exit early in breakProtrudingToken() (before the expensive call to
SourceManager::getSpellingColumnNumber()). This makes formatting huge
(100k+-item) braced lists possible.

llvm-svn: 189094
2013-08-23 10:05:49 +00:00
Daniel Jasper
8de9ed05b7 clang-format: Add column layout formatting for braced lists
With this patch, braced lists (with more than 3 elements are formatted in a
column layout if possible). E.g.:

  static const uint16_t CallerSavedRegs64Bit[] = {
    X86::RAX, X86::RDX, X86::RCX, X86::RSI, X86::RDI,
    X86::R8,  X86::R9,  X86::R10, X86::R11, 0
  };

Required other changes:
- FormatTokens can now have a special role that contains extra data and can do
  special formattings. A comma separated list is currently the only
  implementation.
- Move penalty calculation entirely into ContinuationIndenter (there was a last
  piece still in UnwrappedLineFormatter).

Review: http://llvm-reviews.chandlerc.com/D1457
llvm-svn: 189018
2013-08-22 15:00:41 +00:00
Daniel Jasper
f110e201e4 clang-format: Indent relative to unary operators.
Before:
  if (!aaaaaaaaaa(  // break
          aaaaa)) {
  }

After:
  if (!aaaaaaaaaa(  // break
           aaaaa)) {
  }

Also cleaned up formatting using clang-format.

llvm-svn: 188891
2013-08-21 08:39:01 +00:00
Daniel Jasper
2b41a82e61 clang-format: Format enum struct/class like enum.
Patch by Joe Hermaszewski. Thank you!

llvm-svn: 188794
2013-08-20 12:42:50 +00:00
Daniel Jasper
b55acad91c clang-format: Additional options for spaces around parentheses.
This patch adds four new options to control:
- Spaces after control keyworks (if(..) vs if (..))
- Spaces in empty parentheses (f( ) vs f())
- Spaces in c-style casts (( int )1.0 vs (int)1.0)
- Spaces in other parentheses (f(a) vs f( a ))

Patch by Joe Hermaszewski. Thank you for working on this!

llvm-svn: 188793
2013-08-20 12:36:34 +00:00
Daniel Jasper
5364306e12 clang-format: Fix return type line break decision.
This accidentally introduced by r186077, as function names were not
correctly recognized in templated declarations.

Before:
  template <class TemplateIt>
  SomeReturnType
  SomeFunction(TemplateIt begin, TemplateIt end, TemplateIt* stop) {}

After:
  template <class TemplateIt>
  SomeReturnType SomeFunction(TemplateIt begin, TemplateIt end,
                              TemplateIt* stop) {}

llvm-svn: 188665
2013-08-19 10:16:18 +00:00
Daniel Jasper
cdaffa45d4 clang-format: Add option for the offset of constructor initializers.
Some coding styles use a different indent for constructor initializers.

Patch by Klemens Baum. Thank you.
Review: http://llvm-reviews.chandlerc.com/D1360

Post review changes: Changed data type to unsigned as a negative indent
width does not make sense and added test for configuration parsing.

llvm-svn: 188260
2013-08-13 10:58:30 +00:00
Daniel Jasper
29a98cfca0 clang-format: Improve boolean expression formatting in macros.
Before:
  #define IF(a, b, c) if (a&&(b == c))

After:
  #define IF(a, b, c) if (a && (b == c))

llvm-svn: 188256
2013-08-13 09:09:09 +00:00
Daniel Jasper
70dc91aaf1 clang-format: Activate WebKit-style tests for MS compilers.
They were accidentally placed in the #if.

llvm-svn: 188255
2013-08-13 08:29:26 +00:00
Daniel Jasper
301d017139 clang-format: Slightly adapt line break penalties.
Before:
  aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaa)
                               ->aaaaaaaaa());
After:
  aaaaaaaaaaaaaaaaaaaaaaaa(
      aaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaa)->aaaaaaaaa());

llvm-svn: 188253
2013-08-13 06:50:04 +00:00
Daniel Jasper
467ddb161c clang-format: Improve stream-formatting.
Before:
  CHECK(controller->WriteProto(FLAGS_row_key, FLAGS_proto)) << "\""
                                                            << FLAGS_proto
                                                            << "\"";

After:
  SemaRef.Diag(Loc, diag::note_for_range_begin_end)
      << BEF << IsTemplate << Description << E->getType();

llvm-svn: 188175
2013-08-12 12:58:05 +00:00
Daniel Jasper
5903685a28 clang-format: Correctly format alias declarations.
Before:
  template <class CallbackClass>
  using MyCallback = void(CallbackClass::*)(SomeObject * Data);");

After:
  template <class CallbackClass>
  using MyCallback = void (CallbackClass::*)(SomeObject *Data);");

Also fix three wrong indentations.

llvm-svn: 188172
2013-08-12 12:16:34 +00:00
Manuel Klimek
d57355031c This change fixes the formatting of statements such as catch (E& e).
Previously these were formatting as catch (E & e) because the inner parenthesis
was being marked as an expression.

Patch by Thomas Gibson-Robinson.

llvm-svn: 188153
2013-08-12 03:51:17 +00:00
Arnold Schwaighofer
a8177a02ca Revert r187935 "Support for double width characters."
It broke a public build bot.

llvm-svn: 187957
2013-08-08 02:19:56 +00:00
Alexander Kornienko
ca3e6311a1 Support for double width characters.
Summary: Only works for UTF-8-encoded files.

Reviewers: djasper

Reviewed By: djasper

CC: cfe-commits, klimek

Differential Revision: http://llvm-reviews.chandlerc.com/D1311

llvm-svn: 187935
2013-08-07 23:29:01 +00:00
Manuel Klimek
a027f306a6 Fixes a couple of bugs with the Allman brace breaking.
In particular, left braces after an enum declaration now occur on their
own line.  Further, when short ifs/whiles are allowed these no longer
cause the left brace to be on the same line as the if/while when a
brace is included.

Patch by Thomas Gibson-Robinson.

llvm-svn: 187901
2013-08-07 19:20:45 +00:00
Daniel Jasper
9613c81fd2 clang-format: Fix corner case in OpenMP pragma formatting.
Before:
  #pragma omp reduction( | : var)
After:
  #pragma omp reduction(| : var)

llvm-svn: 187892
2013-08-07 16:29:23 +00:00
Daniel Jasper
d6877f0561 clang-format: Improve formatting of builder-type calls.
This removes a formatting choice that was added at one point, but is
not generally liked by users. Specifically, in builder-type calls, do
(easily) break if the object before the ./-> is either a field or a
parameter-less function call. I.e., don't break after "aa.aa.aa" or
"aa.aa.aa()". In general, these sequences in builder-type calls are
seen as a single entity and thus breaking them up is a bad idea.

llvm-svn: 187865
2013-08-07 05:34:02 +00:00
Manuel Klimek
d3ed59ae15 Implement Allman style.
Patch by Frank Miller.

llvm-svn: 187678
2013-08-02 21:31:59 +00:00