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Consistently use `constexpr StringRef Code("string literal");`.
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(#146761)
Before this commit, when `LineJoiner` joins a line with affected leading
whitespace, it would drop the knowledge of this entirely. However, when
the `AffectedRangeManager` is computing the affected lines, the leading
empty whitespace lines are potentially considered for non-first tokens
in the `AnnotatedLine`. This causes a discrepancy in behavior when an
`AnnotatedLine` is put together from joining multiple lines versus when
it is not.
We change `LineJoiner::join` to follow `AffectedRangeManager`'s logic,
considering the leading whitespace when determining `Affected` for a
token.
https://github.com/llvm/llvm-project/blob/a63f57262898588b576d66e5fd79c0aa64b35f2d/clang/lib/Format/AffectedRangeManager.cpp#L111-L130
Fixes #138942.
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Fixes #119790.
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Also removed a duplicate test case.
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The problem was that the LevelIndentTracker remembered
the indentation level of previous deeper levels when
leaving a scope. Afterwards, when it entered again a
deeper level, it blindly reused the previous
indentation level. In case the --lines option was used
such that the previous deeper level was not formatted,
that previous level was whatever happened to be there
in the source code. The formatter simply believed it.
This is fixed by letting the LevelIndentTracker forget
the previous deeper levels when stepping out of them
(=> change in LevelIndentTracker::nextLine()).
Note that this used to be the case until LLVM 14.0.6,
but was changed in https://reviews.llvm.org/D129064
(#56352) to fix a crash. Our commit here essentially
reverts that crash fix. It was incorrect/incomplete.
Fixes #58464.
Fixes #59178.
Fixes #62799.
Differential Revision: https://reviews.llvm.org/D151047
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This reverts commit 72ab89e3197cc1bee3b9774edb504690e3e43ed0.
Reverted due to bots failures e.g.
https://lab.llvm.org/buildbot/#/builders/139/builds/41339.
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The problem was that the LevelIndentTracker remembered
the indentation level of previous deeper levels when
leaving a scope. Afterwards, when it entered again a
deeper level, it blindly reused the the previous
indentation level. In case of the --lines option
configured such that the previous deeper level was not
formatted, that previous level was whatever happened
to be there in the source code. The formatter simply
believed it.
This is fixed by letting the LevelIndentTracker forget
the previous deeper levels when stepping out of them
(=> change in LevelIndentTracker::nextLine()).
Note that this used to be the case until LLVM 14.0.6,
but was changed in
https://github.com/llvm/llvm-project/issues/56352 to
fix a crash. Our commit here essentially reverts that
crash fix. It seemed to have been incorrect. The proper
fix is to set the AnnotedLine::Level of joined lines
correctly (=> change in LineJoiner::join()).
See
https://github.com/llvm/llvm-project/issues/59178#issuecomment-1542637781
for some more details.
Fixes #58464.
Fixes #59178.
Differential Revision: https://reviews.llvm.org/D151047
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Fixes https://github.com/llvm/llvm-project/issues/56352.
Reviewed By: HazardyKnusperkeks, owenpan, MyDeveloperDay
Differential Revision: https://reviews.llvm.org/D129064
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Fixes https://github.com/llvm/llvm-project/issues/53880.
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Summary:
Ensure the clang-format unit tests are themselves clang-formatted
Having areas of the llvm code which are clang-format clean, give us more areas to run new clang-format binaries on ensuring we haven't broken anything.
It seems to me we SHOULD have this clang-formatted at a minimum, otherwise how can we expect others to use clang-format if we "don't eat our own dogfood", also if the tests are dependent on the formatting of the code then that would also be bad!
Reviewed By: sammccall
Subscribers: cfe-commits
Tags: #clang, #clang-format
Differential Revision: https://reviews.llvm.org/D79204
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an "else" statement is present
Summary:
Addressing: PR25010 - https://bugs.llvm.org/show_bug.cgi?id=25010
Code like:
```
if(true) var++;
else {
var--;
}
```
is reformatted to be
```
if (true)
var++;
else {
var--;
}
```
Even when `AllowShortIfStatementsOnASingleLine` is true
The following revision comes from a +1'd suggestion in the PR to support AllowShortIfElseStatementsOnASingleLine
This suppresses the clause prevents the merging of the if when there is a compound else
Reviewers: klimek, djasper, JonasToth, alexfh, krasimir, reuk
Reviewed By: reuk
Subscribers: reuk, Higuoxing, jdoerfert, cfe-commits
Tags: #clang-tools-extra
Differential Revision: https://reviews.llvm.org/D59087
llvm-svn: 356031
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working if an "else" statement is present"
This reverts commit b358cbb9b78389e20f7be36e1a98e26515c3ecce.
llvm-svn: 356030
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an "else" statement is present
Summary:
Addressing: PR25010 - https://bugs.llvm.org/show_bug.cgi?id=25010
Code like:
```
if(true) var++;
else {
var--;
}
```
is reformatted to be
```
if (true)
var++;
else {
var--;
}
```
Even when `AllowShortIfStatementsOnASingleLine` is true
The following revision comes from a +1'd suggestion in the PR to support AllowShortIfElseStatementsOnASingleLine
This suppresses the clause prevents the merging of the if when there is a compound else
Reviewers: klimek, djasper, JonasToth, alexfh, krasimir, reuk
Reviewed By: reuk
Subscribers: reuk, Higuoxing, jdoerfert, cfe-commits
Tags: #clang-tools-extra
Differential Revision: https://reviews.llvm.org/D59087
llvm-svn: 356029
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to reflect the new license.
We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.
Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.
llvm-svn: 351636
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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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This required a couple of yaks to be shaved:
1. MatchingOpeningBlockLineIndex was misused to also store the
closing index; instead, use a second variable, as this doesn't
work correctly for "} else {".
2. We needed to change the API of AffectedRangeManager to not
use iterators; we always passed in begin / end for the whole
container before, so there was no mismatch in generality.
3. We need an extra check to discontinue formatting at the top
level, as we now sometimes change the indent of the closing
brace, but want to bail out immediately afterwards, for
example:
void f() {
if (a) {
}
void g();
Previously:
void f() {
if (a) {
}
void g();
Now:
void f() {
if (a) {
}
void g();
Differential Revision: https://reviews.llvm.org/D45726
llvm-svn: 330573
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Summary:
This patch updates the handling of multiline trailing comment sections in
import statement lines to make it more consistent with the case in general.
This includes updating the parsing logic to collect the trailing comment
sections and the formatting logic to not insert escaped newlines at the end of
comment lines in import statement lines.
Specifically, before this patch this code:
```
#include <a> // line 1
// line 2
```
will be turned into two unwrapped lines, whereas this code:
```
int i; // line 1
// line 2
```
is turned into a single unwrapped line, enabling reflowing across comments.
An example where the old behaviour is bad is when partially formatting the lines
3 to 4 of this code:
```
#include <a> // line 1
// line 2
int i;
```
which gets turned into:
```
#include <a> // line 1
// line 2
int i;
```
because the two comment lines were independent and the indent was copied.
Reviewers: djasper
Reviewed By: djasper
Subscribers: cfe-commits, klimek
Differential Revision: https://reviews.llvm.org/D33351
llvm-svn: 303415
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DontAlign
This converts the clang-format option AlignEscapedNewlinesLeft from a
boolean to an enum, named AlignEscapedNewlines, with options Left (prev.
true), Right (prev. false), and a new option DontAlign.
When set to DontAlign, the backslashes are placed just after the last token in each line:
#define EXAMPLE \
do { \
int x = aaaaa; \
int b; \
int dddddddddd; \
} while (0)
Patch by jtbandes. Thank you!
llvm-svn: 302428
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Summary: This patch replaces the boolean IncompleteFormat that is used to notify the client if an unrecoverable syntax error occurred by a struct that also contains a line number.
Reviewers: djasper
Reviewed By: djasper
Subscribers: cfe-commits, klimek
Differential Revision: https://reviews.llvm.org/D32298
llvm-svn: 300985
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Summary:
This presents a version of the comment reflowing with less mutable state inside
the comment breakable token subclasses. The state has been pushed into the
driving breakProtrudingToken method. For this, the API of BreakableToken is enriched
by the methods getSplitBefore and getLineLengthAfterSplitBefore.
Reviewers: klimek
Reviewed By: klimek
Subscribers: djasper, klimek, mgorny, cfe-commits, ioeric
Differential Revision: https://reviews.llvm.org/D28764
llvm-svn: 293055
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empty string to indicate potential error.
Summary:
return llvm::Expected<> to carry error status and error information.
This is the first step towards introducing "Error" into tooling::Replacements.
Reviewers: djasper, klimek
Subscribers: ioeric, klimek, cfe-commits
Differential Revision: http://reviews.llvm.org/D21601
llvm-svn: 275062
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change affected ranges.
llvm-svn: 263713
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With this change:
SomeFunction(
[] {
int i;
return i; // Format this line.
},
[] {
return 2; // Don't "fix" this.
});
llvm-svn: 262216
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Starting here:
int x; // Format this line only.
int xx; //
int xxxxx; //
Before:
int x; // Format this line only.
int xx; //
int xxxxx; //
After:
int x; // Format this line only.
int xx; //
int xxxxx; //
llvm-svn: 257258
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unaffected lines with incorrect initial indent.
Starting from:
namespace {
int i; // There shouldn't be indentation here.
int j; // <- call clang-format on this line.
}
Before:
namespace {
int i;
int j;
}
After:
namespace {
int i;
int j;
}
llvm-svn: 251824
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after a change. With r251474, clang-format could indent the entire rest of the file, if there is a missing closing brace, e.g. while writing code in an editor.
Summary:
With this change, clang-format stops formatting when either it leaves
the current scope or when it comes back to the initial scope after
going into a nested one.
Reviewers: klimek
Subscribers: cfe-commits, klimek
Differential Revision: http://reviews.llvm.org/D14213
llvm-svn: 251760
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their indent is off.
Summary: This is especially important so that if a change is solely inserting a block around a few statements, clang-format-diff.py will still clean up and add indentation to the inner parts.
Reviewers: klimek
Subscribers: cfe-commits, klimek
Differential Revision: http://reviews.llvm.org/D14105
llvm-svn: 251474
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This is a first step for splitting the huge FormatTest.cpp into separate
files to make it easier to find specific tests.
llvm-svn: 239730
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