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Summary:
This patch makes clang-format indent the subsequent lines created by breaking a
long javadoc annotated line.
Reviewers: mprobst
Reviewed By: mprobst
Subscribers: acoomans, cfe-commits
Differential Revision: https://reviews.llvm.org/D49797
llvm-svn: 338232
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Reapply D47195:
Currently BreakBeforeParameter is set to true everytime message receiver spans multiple lines, e.g.:
```
[[object block:^{
return 42;
}] aa:42 bb:42];
```
will be formatted:
```
[[object block:^{
return 42;
}] aa:42
bb:42];
```
even though arguments could fit into one line. This change fixes this behavior.
llvm-svn: 336521
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expression
Summary:
Don't break after a "[" opening an ObjC method expression.
Tests are added in D48719 where formatting is improved (to avoid adding and changing tests immediately).
Reviewers: benhamilton, klimek
Reviewed By: benhamilton
Subscribers: acoomans, cfe-commits
Differential Revision: https://reviews.llvm.org/D48718
llvm-svn: 336519
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function with a non-recognized delimiter
Summary:
This stops clang-format from touching raw string contents with unrecognized delimiters inside recognized functions.
Unrecognized delimiters signal that the string might be special.
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D48728
llvm-svn: 335876
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Summary:
In C++ code snippets of the form `@field` are common. This makes clang-format
keep them together in text protos, whereas before it would break them.
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D48543
llvm-svn: 335459
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Summary:
This option replaces the BreakBeforeInheritanceComma option with an
enum, thus introducing a mode where the colon stays on the same line as
constructor declaration:
// When it fits on line:
class A : public B, public C {
...
};
// When it does not fit:
class A :
public B,
public C {
...
};
This matches the behavior of the `BreakConstructorInitializers` option,
introduced in https://reviews.llvm.org/D32479.
Reviewers: djasper, klimek
Reviewed By: djasper
Subscribers: mzeren-vmw, cfe-commits
Differential Revision: https://reviews.llvm.org/D43015
llvm-svn: 334408
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multiline receiver"
Summary:
This reverts commit db9e5e9a616d7fdd4d1ba4c3b2cd89d8a0238533 (rC333171).
Mentioned change introduced unintended formatting of ObjC code due to split priorities inherited from C/C++, e.g.:
```
fooooooo = [
[obj fooo] aaa:42 aaa:42];
```
instead of
```
fooooooo =
[[obj fooo] aaa:42
aaa:42];
```
when formatted with ColumnLimit = 30.
Reviewers: krasimir
Reviewed By: krasimir
Subscribers: benhamilton, klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D47527
llvm-svn: 333539
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receiver
Summary:
Reapply reverted changes from D46879.
Currently BreakBeforeParameter is set to true everytime message receiver spans multiple lines, e.g.:
```
[[object block:^{
return 42;
}] aa:42 bb:42];
```
will be formatted:
```
[[object block:^{
return 42;
}] aa:42
bb:42];
```
even though arguments could fit into one line. This change fixes this behavior.
Test Plan:
make -j12 FormatTests && tools/clang/unittests/Format/FormatTests
Reviewers: benhamilton, krasimir
Reviewed By: benhamilton, krasimir
Subscribers: djasper, klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D47195
llvm-svn: 333171
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Summary:
This patch fixes two bugs in clang-format where the template wrapper doesn't skip over
comments causing a long template declaration to not be split into multiple lines.
These were latent and exposed by r332436.
Reviewers: sammccall
Reviewed By: sammccall
Subscribers: klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D47257
llvm-svn: 333085
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multiline receiver"
Summary: Reverts D46879
Reviewers: benhamilton
Reviewed By: benhamilton
Subscribers: krasimir, klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D47205
llvm-svn: 332998
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Summary:
Found by oss-fuzz:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8212
Reviewers: bkramer
Subscribers: klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D47191
llvm-svn: 332961
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receiver
Summary:
Currently BreakBeforeParameter is set to true everytime message receiver spans multiple lines, e.g.:
```
[[object block:^{
return 42;
}] aa:42 bb:42];
```
will be formatted:
```
[[object block:^{
return 42;
}] aa:42
bb:42];
```
even though arguments could fit into one line. This change fixes this behavior.
Test Plan:
make -j12 FormatTests && tools/clang/unittests/Format/FormatTests
Reviewers: benhamilton, djasper
Reviewed By: benhamilton
Subscribers: klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D46879
llvm-svn: 332582
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Summary:
Introduce `PenaltyBreakTemplateDeclaration` to control the penalty,
and change `AlwaysBreakTemplateDeclarations` to an enum with 3 modes:
* `No` for regular, penalty based, wrapping of template declaration
* `MultiLine` for always wrapping before multi-line declarations (e.g.
same as legacy behavior when `AlwaysBreakTemplateDeclarations=false`)
* `Yes` for always wrapping (e.g. same as legacy behavior when
`AlwaysBreakTemplateDeclarations=true`)
Reviewers: krasimir, djasper, klimek
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D42684
llvm-svn: 332436
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The DEBUG() macro is very generic so it might clash with other projects.
The renaming was done as follows:
- git grep -l 'DEBUG' | xargs sed -i 's/\bDEBUG\s\?(/LLVM_DEBUG(/g'
- git diff -U0 master | ../clang/tools/clang-format/clang-format-diff.py -i -p1 -style LLVM
Explicitly avoided changing the strings in the clang-format tests.
Differential Revision: https://reviews.llvm.org/D44975
llvm-svn: 332350
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Summary:
This fixes a regression introduced by `r331857` where we stop the search for
the End token as soon as we hit a non-scope-closer, which prematurely stops before
semicolons for example, which should otherwise be considered as part of the unbreakable tail.
Subscribers: klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D46824
llvm-svn: 332225
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Summary:
This patch makes `getLengthToMatchingParen` respect the `BreakBeforeClosingBrace`
ParenState for matching scope closers. In order to distinguish between paren states
introduced by real vs. fake parens, I've added the token opening the ParensState
to that struct.
Reviewers: djasper
Reviewed By: djasper
Subscribers: klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D46519
llvm-svn: 331857
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This is similar to the LLVM change https://reviews.llvm.org/D46290.
We've been running doxygen with the autobrief option for a couple of
years now. This makes the \brief markers into our comments
redundant. Since they are a visual distraction and we don't want to
encourage more \brief markers in new code either, this patch removes
them all.
Patch produced by
for i in $(git grep -l '\@brief'); do perl -pi -e 's/\@brief //g' $i & done
for i in $(git grep -l '\\brief'); do perl -pi -e 's/\\brief //g' $i & done
Differential Revision: https://reviews.llvm.org/D46320
llvm-svn: 331834
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Summary:
Currently, indentation of Objective-C method names which are wrapped
onto the next line due to a long return type is controlled by the
style option `IndentWrappedFunctionNames`.
This diff changes the behavior so we always indent wrapped Objective-C
selector names.
NOTE: I partially reverted https://github.com/llvm-mirror/clang/commit/6159c0fbd1876c7f5f984b4830c664cc78f16e2e / rL242484, as it was causing wrapped selectors to be double-indented. Its tests in FormatTestObjC.cpp still pass.
Test Plan: Tests updated. Ran tests with:
% make -j12 FormatTests && ./tools/clang/unittests/Format/FormatTests
Reviewers: djasper, jolesiak, stephanemoore, thakis
Reviewed By: djasper
Subscribers: stephanemoore, klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D45004
llvm-svn: 329916
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IndentWrappedFunctionNames
Summary:
In D43121, @Typz introduced logic to avoid indenting 2-or-more
argument ObjC selectors too far to the right if the first component
of the selector was longer than the others.
This had a small side effect of causing wrapped ObjC selectors with
exactly 1 argument to not obey IndentWrappedFunctionNames:
```
- (aaaaaaaaaa)
aaaaaaaaaa;
```
This diff fixes the issue by ensuring we align wrapped 1-argument
ObjC selectors correctly:
```
- (aaaaaaaaaa)
aaaaaaaaaa;
```
Test Plan: New tests added. Test failed before change, passed
after change. Ran tests with:
% make -j12 FormatTests && ./tools/clang/unittests/Format/FormatTests
Reviewers: djasper, klimek, Typz, jolesiak
Reviewed By: djasper, jolesiak
Subscribers: cfe-commits, Typz
Differential Revision: https://reviews.llvm.org/D44994
llvm-svn: 328871
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Summary: We weren't penalizing cases where the raw string prefix goes over the column limit.
Subscribers: klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D44563
llvm-svn: 327708
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Summary:
Previously, clang-format would detect C++11 and C++17 attribute
specifiers like the following as Objective-C method invocations:
[[noreturn]];
[[clang::fallthrough]];
[[noreturn, deprecated("so sorry")]];
[[using gsl: suppress("type")]];
To fix this, I ported part of the logic from
tools/clang/lib/Parse/ParseTentative.cpp into TokenAnnotator.cpp so we
can explicitly parse and identify C++11 attribute specifiers.
This allows the guessLanguage() and getStyle() APIs to correctly
guess files containing the C++11 attribute specifiers as C++,
not Objective-C.
Test Plan: New tests added. Ran tests with:
make -j12 FormatTests && ./tools/clang/unittests/Format/FormatTests
Reviewers: krasimir, jolesiak, djasper
Reviewed By: djasper
Subscribers: aaron.ballman, cfe-commits, klimek
Differential Revision: https://reviews.llvm.org/D43902
llvm-svn: 327284
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Not entirely sure this is the best place to put this check, but it fixes
the immediate issue.
llvm-svn: 327253
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Summary:
This makes the formatter of raw string literals use NestedBlockIndent for
determining the 0 column of the content inside. This makes the formatting use
less horizonal space and fixes a case where two newlines before and after the
raw string prefix were selected instead of a single newline after it:
Before:
```
aaaa = ffff(
R"pb(
key: value)pb");
```
After:
```
aaaa = ffff(R"pb(
key: value)pb");
```
Reviewers: djasper, sammccall
Reviewed By: sammccall
Subscribers: klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D44141
llvm-svn: 326996
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Summary:
This adds support for text proto extensions, like:
```
msg {
[type.type/ext] {
key: value
}
}
```
Reviewers: djasper
Reviewed By: djasper
Subscribers: klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D43180
llvm-svn: 324995
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Summary: This patch fixes a bug where the comment indent of comments in text protos gets messed up because by default paren states get created with AlignColons = true (which makes snese for ObjC).
Subscribers: klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D43194
llvm-svn: 324896
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Summary:
When the target object expression is short and the first selector name
is long, clang-format used to break the colon alignment:
[I performSelectorOnMainThread:@selector(loadAccessories)
withObject:nil
waitUntilDone:false];
This happens because the colon is placed at `ContinuationIndent +
LongestObjCSelectorName`, so that any selector can be wrapped. This is
however not needed in case the longest selector is the firstone, and
not wrapped.
To overcome this, this patch does not include the first selector in
`LongestObjCSelectorName` computation (in TokenAnnotator), and lets
`ContinuationIndenter` decide how to account for the first selector
when wrapping. (Note this was already partly the case, see line 521
of ContinuationIndenter.cpp)
This way, the code gets properly aligned whenever possible without
breaking the continuation indent.
[I performSelectorOnMainThread:@selector(loadAccessories)
withObject:nil
waitUntilDone:false];
[I // force break
performSelectorOnMainThread:@selector(loadAccessories)
withObject:nil
waitUntilDone:false];
[I perform:@selector(loadAccessories)
withSelectorOnMainThread:true
waitUntilDone:false];
Reviewers: krasimir, djasper, klimek
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D43121
llvm-svn: 324741
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Summary:
Concatenating Objective-C string literals inside an array literal
raises the warning -Wobjc-string-concatenation (which is enabled by default).
clang-format currently splits and concatenates string literals like
the following:
NSArray *myArray = @[ @"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" ];
into:
NSArray *myArray =
@[ @"aaaaaaaaaaaaaaaaaaaaaaaaaaaa"
@"aaaaaaaaa" ];
which raises the warning. This is https://bugs.llvm.org/show_bug.cgi?id=36153 .
The options I can think of to fix this are:
1) Have clang-format disable Wobjc-string-concatenation by emitting
pragmas around the formatted code
2) Have clang-format wrap the string literals in a macro (which
disables the warning)
3) Disable string splitting for Objective-C string literals inside
array literals
I think 1) has no precedent, and I couldn't find a good
identity() macro for 2). So, this diff implements 3).
Test Plan: make -j12 FormatTests && ./tools/clang/unittests/Format/FormatTests
Reviewers: jolesiak, stephanemoore, djasper
Reviewed By: jolesiak
Subscribers: klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D42704
llvm-svn: 324618
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Summary:
This patch is a follow-up to r323319 (which disables string literal breaking for
text protos) and it disables breaking before long string literals.
For example this:
```
keyyyyy: "long string literal"
```
used to get broken into:
```
keyyyyy:
"long string literal"
```
While at it, I also enabled it for LK_Proto and fixed a bug in the mustBreak code.
Reviewers: djasper, sammccall
Reviewed By: djasper
Subscribers: klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D42957
llvm-svn: 324591
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Summary:
Fixes formatting of ObjC message arguments when inline block is a first
argument.
Having inline block as a first argument when method has multiple parameters is
discouraged by Apple:
"It’s best practice to use only one block argument to a method. If the
method also needs other non-block arguments, the block should come last"
(https://developer.apple.com/library/content/documentation/Cocoa/Conceptual/ProgrammingWithObjectiveC/WorkingwithBlocks/WorkingwithBlocks.html#//apple_ref/doc/uid/TP40011210-CH8-SW7),
it should be correctly formatted nevertheless.
Current formatting:
```
[object blockArgument:^{
a = 42;
}
anotherArg:42];
```
Fixed (colon alignment):
```
[object
blockArgument:^{
a = 42;
}
anotherArg:42];
```
Test Plan: make -j12 FormatTests && tools/clang/unittests/Format/FormatTests
Reviewers: krasimir, benhamilton
Reviewed By: krasimir, benhamilton
Subscribers: benhamilton, klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D42493
llvm-svn: 324469
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Summary:
In r236412, @djasper added a comment:
// FIXME: We likely want to do this for more combinations of brackets.
// Verify that it is wanted for ObjC, too.
In D42650, @stephanemoore asked me to confirm this.
This followup to D42650 adds more tests to verify the relative
alignment behavior for Objective-C 2.0 generics passed to functions
and removes the second half of the FIXME comment.
Test Plan:
make -j12 FormatTests && \
./tools/clang/unittests/Format/FormatTests --gtest_filter=FormatTestObjC.\*
Reviewers: stephanemoore, jolesiak, djasper
Reviewed By: jolesiak
Subscribers: klimek, cfe-commits, djasper, stephanemoore, krasimir
Differential Revision: https://reviews.llvm.org/D42864
llvm-svn: 324364
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Summary:
This patch adds spaces around angle brackets in text proto Google style.
Previously these were detected as template openers and closers, which happened
to have the expected effect. Now we detect them as scope openers and closers
similarly to the way braces are handled in this context.
Reviewers: djasper
Reviewed By: djasper
Subscribers: klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D42727
llvm-svn: 324337
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Summary:
This is an alternative approach to D42014 after some
investigation by stephanemoore@ and myself.
Previously, the format parameter `BinPackParameters` controlled both
C function parameter list bin-packing and Objective-C protocol conformance
list bin-packing.
We found in the Google style, some teams were changing
`BinPackParameters` from its default (`true`) to `false` so they could
lay out Objective-C protocol conformance list items one-per-line
instead of bin-packing them into as few lines as possible.
To allow teams to use one-per-line Objective-C protocol lists without
changing bin-packing for other areas like C function parameter lists,
this diff introduces a new LibFormat parameter
`ObjCBinPackProtocolList` to control the behavior just for ObjC
protocol conformance lists.
The new parameter is an enum which defaults to `Auto` to keep the
previous behavior (delegating to `BinPackParameters`).
Depends On D42649
Test Plan: New tests added. make -j12 FormatTests && ./tools/clang/unittests/Format/FormatTests
Reviewers: jolesiak, stephanemoore, djasper
Reviewed By: stephanemoore
Subscribers: Wizard, hokein, cfe-commits, klimek
Differential Revision: https://reviews.llvm.org/D42650
llvm-svn: 324131
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Summary:
This patch fixes an issue where the UnbreakableTailLength would be counted towards
the length of a token during breaking, even though we can break after the token.
For example, this proto text with column limit 20
```
# ColumnLimit: 20 V
foo: {
bar: {
bazoo: "aaaaaaa"
}
}
```
was broken:
```
# ColumnLimit: 20 V
foo: {
bar: {
bazoo:
"aaaaaaa"
}
}
```
because the 2 closing `}` were counted towards the string literal's `UnbreakableTailLength`.
Reviewers: djasper
Reviewed By: djasper
Subscribers: klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D42376
llvm-svn: 323188
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Summary:
This patch adds canonical delimiter support to the raw string formatting.
This allows matching delimiters to be updated to the canonical one.
Reviewers: bkramer
Reviewed By: bkramer
Subscribers: klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D42187
llvm-svn: 322956
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Summary: This patch adds enclosing function detection to raw string formatting.
Reviewers: bkramer
Reviewed By: bkramer
Subscribers: klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D42167
llvm-svn: 322678
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Summary:
This patch changes the structure for raw string formatting options by making it
language based (enumerate delimiters per language) as opposed to delimiter-based
(specify the language for a delimiter). The raw string formatting now uses an
appropriate style from the .clang-format file, if exists.
Reviewers: bkramer
Reviewed By: bkramer
Subscribers: cfe-commits, klimek
Differential Revision: https://reviews.llvm.org/D42098
llvm-svn: 322634
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Adding the new enumerator forced a bunch more changes into this patch than I
would have liked. The -Wtautological-compare warning was extended to properly
check the new comparison operator, clang-format needed updating because it uses
precedence levels as weights for determining where to break lines (and several
operators increased their precedence levels with this change), thread-safety
analysis needed changes to build its own IL properly for the new operator.
All "real" semantic checking for this operator has been deferred to a future
patch. For now, we use the relational comparison rules and arbitrarily give
the builtin form of the operator a return type of 'void'.
llvm-svn: 320707
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When we break a long line like:
Column limit: 21
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// foo foo foo foo foo foo foo foo foo foo foo foo
The local decision when to allow protruding vs. breaking can lead to this
outcome (2 excess characters, 2 breaks):
// foo foo foo foo foo
// foo foo foo foo foo
// foo foo
While strictly staying within the column limit leads to this strictly better
outcome (fully below the column limit, 2 breaks):
// foo foo foo foo
// foo foo foo foo
// foo foo foo foo
To get an optimal solution, we would need to consider all combinations of excess
characters vs. breaking for all lines, but that would lead to a significant
increase in the search space of the algorithm for little gain.
Instead, we blindly try both approches and·select the one that leads to the
overall lower penalty.
Differential Revision: https://reviews.llvm.org/D40605
llvm-svn: 319541
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This fixes some bugs in the reflowing logic and splits out the concerns
of reflowing from BreakableToken.
Things to do after this patch:
- Refactor the breakProtrudingToken function possibly into a class, so we
can split it up into methods that operate on the common state.
- Optimize whitespace compression when reflowing by using the next possible
split point instead of the latest possible split point.
- Retry different strategies for reflowing (strictly staying below the
column limit vs. allowing excess characters if possible).
Differential Revision: https://reviews.llvm.org/D40310
llvm-svn: 319314
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Summary:
clang-format already removes empty lines at the beginning & end of
blocks:
int x() {
foo(); // lines before and after will be removed.
}
However because lamdas and arrow functions are parsed as expressions,
the existing logic to remove empty lines in UnwrappedLineFormatter
doesn't handle them.
This change special cases arrow functions in ContinuationIndenter to
remove empty lines:
x = []() {
foo(); // lines before and after will now be removed.
};
Reviewers: djasper
Subscribers: klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D40178
llvm-svn: 318537
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For each line that we break in a protruding token, compute whether the
penalty of breaking is actually larger than the penalty of the excess
characters. Only break if that is the case.
llvm-svn: 318515
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Create more orthogonal pieces. The restructuring made it easy to try out
several alternatives to D33589, and while none of the alternatives
turned out to be the right solution, the underlying simplification of
the structure is helpful.
Differential Revision: https://reviews.llvm.org/D39900
llvm-svn: 318141
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llvm-svn: 317783
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Summary:
This patch adds raw string literal formatting.
Reviewers: djasper, klimek
Reviewed By: klimek
Subscribers: klimek, mgorny
Differential Revision: https://reviews.llvm.org/D35943
llvm-svn: 316903
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Summary:
This patch enables `BreakableToken` to manage the formatting of non-trailing
block comments. It is a refinement of https://reviews.llvm.org/D37007.
We discovered that the optimizer outsmarts us on cases where breaking the comment
costs considerably less than breaking after the comment. This patch addresses
this by ensuring that a newline is inserted between a block comment and the next
token.
Reviewers: djasper
Reviewed By: djasper
Subscribers: cfe-commits, klimek
Differential Revision: https://reviews.llvm.org/D37695
llvm-svn: 315893
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llvm-svn: 313744
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Summary:
This is an implementation for [bug 17362](https://bugs.llvm.org/attachment.cgi?bugid=17362) which adds support for indenting preprocessor statements inside if/ifdef/endif. This takes previous work from fmauch (https://github.com/fmauch/clang/tree/preprocessor_indent) and makes it into a full feature.
The context of this patch is that I'm a VMware intern, and I implemented this because VMware needs the feature. As such, some decisions were made based on what VMware wants, and I would appreciate suggestions on expanding this if necessary to use-cases other people may want.
This adds a new enum config option, `IndentPPDirectives`. Values are:
* `PPDIS_None` (in config: `None`):
```
#if FOO
#if BAR
#include <foo>
#endif
#endif
```
* `PPDIS_AfterHash` (in config: `AfterHash`):
```
#if FOO
# if BAR
# include <foo>
# endif
#endif
```
This is meant to work whether spaces or tabs are used for indentation. Preprocessor indentation is independent of indentation for non-preprocessor lines.
Preprocessor indentation also attempts to ignore include guards with the checks:
1. Include guards cover the entire file
2. Include guards don't have `#else`
3. Include guards begin with
```
#ifndef <var>
#define <var>
```
This patch allows `UnwrappedLineParser::PPBranchLevel` to be decremented to -1 (the initial value is -1) so the variable can be used for indent tracking.
Defects:
* This patch does not handle the case where there's code between the `#ifndef` and `#define` but all other conditions hold. This is because when the #define line is parsed, `UnwrappedLineParser::Lines` doesn't hold the previous code line yet, so we can't detect it. This is out of the scope of this patch.
* This patch does not handle cases where legitimate lines may be outside an include guard. Examples are `#pragma once` and `#pragma GCC diagnostic`, or anything else that does not change the meaning of the file if it's included multiple times.
* This does not detect when there is a single non-preprocessor line in front of an include-guard-like structure where other conditions hold because `ScopedLineState` hides the line.
* Preprocessor indentation throws off `TokenAnnotator::setCommentLineLevels` so the indentation of comments immediately before indented preprocessor lines is toggled on each run. Fixing this issue appears to be a major change and too much complexity for this patch.
Contributed by @euhlmann!
Reviewers: djasper, klimek, krasimir
Reviewed By: djasper, krasimir
Subscribers: krasimir, mzeren-vmw, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D35955
llvm-svn: 312125
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Summary:
Previously, clang-format would try to wrap template string substitutions
by indenting relative to the openening `${`. This helped with
indenting structured strings, such as strings containing HTML, as the
substitutions would be aligned according to the structure of the string.
However it turns out that the overwhelming majority of template string +
substitution usages are for substitutions into non-structured strings,
e.g. URLs or just plain messages. For these situations, clang-format
would often produce very ugly indents, in particular for strings
containing no line breaks:
return `<a href='http://google3/${file}?l=${row}'>${file}</a>(${
row
},${
col
}): `;
This change makes clang-format indent template string substitutions as
if they were string concatenation operations. It wraps +4 on overlong
lines and keeps all operands on the same line:
return `<a href='http://google3/${file}?l=${row}'>${file}</a>(${
row},${col}): `;
While this breaks some lexical continuity between the `${` and `row}`
here, the overall effects are still a huge improvement, and users can
still manually break the string using `+` if desired.
Reviewers: djasper
Subscribers: klimek, cfe-commits
Differential Revision: https://reviews.llvm.org/D37142
llvm-svn: 311988
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This reverts commit r311457. It reveals some dormant bugs in comment
reflowing, like breaking a single line jsdoc type annotation before a
parameter into multiple lines.
llvm-svn: 311641
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Summary:
This patch is an alternative to https://reviews.llvm.org/D36614, by resolving a
non-idempotency issue by breaking non-trailing comments:
Consider formatting the following code with column limit at `V`:
```
V
const /* comment comment */ A = B;
```
The comment is not a trailing comment, breaking before it doesn't bring it under
the column limit. The formatter breaks after it, resulting in:
```
V
const /* comment comment */
A = B;
```
For a next reformat, the formatter considers the comment as a trailing comment,
so it is free to break it further, resulting in:
```
V
const /* comment
comment */
A = B;
```
This patch improves the situation by directly producing the third case.
Reviewers: djasper
Reviewed By: djasper
Subscribers: cfe-commits, klimek
Differential Revision: https://reviews.llvm.org/D37007
llvm-svn: 311457
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