[PATCH] D28462: clang-format: Add new style option AlignConsecutiveMacros

[Nick Renieris via Phabricator via cfe-commits]

VelocityRa updated this revision to Diff 184010.
VelocityRa added a comment.

I extracted the logic of `AlignTokens` and `AlignTokenSequence` that aligning 
macros uses to the best of my ability.

This new logic now resides in `AlignTokensAll` and `AlignTokenSequenceAll` (so 
that it may be re-used).

As far as re-using pieces of the implementation of //those// two with the 
former methods, I couldn't spot any patterns I could extract, that wouldn't 
make the code needlessly complicated (in my opinion).


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Files:
  docs/ClangFormatStyleOptions.rst
  include/clang/Format/Format.h
  lib/Format/Format.cpp
  lib/Format/WhitespaceManager.cpp
  lib/Format/WhitespaceManager.h
  unittests/Format/FormatTest.cpp

Index: unittests/Format/FormatTest.cpp
===
--- unittests/Format/FormatTest.cpp
+++ unittests/Format/FormatTest.cpp
@@ -9544,8 +9544,104 @@
NoSpaceStyle);
 }
 
+TEST_F(FormatTest, AlignConsecutiveMacros) {
+  FormatStyle Style = getLLVMStyle();
+  Style.AlignConsecutiveAssignments = true;
+  Style.AlignConsecutiveDeclarations = true;
+  Style.AlignConsecutiveMacros = false;
+
+  verifyFormat("#define a 3\n"
+   "#define  4\n"
+   "#define ccc (5)",
+   Style);
+
+  verifyFormat("#define f(x) (x * x)\n"
+   "#define fff(x, y, z) (x * y + z)\n"
+   "#define (x, y) (x - y)",
+   Style);
+
+  verifyFormat("#define foo(x, y) (x + y)\n"
+   "#define bar (5, 6)(2 + 2)",
+   Style);
+
+  verifyFormat("#define a 3\n"
+   "#define  4\n"
+   "#define ccc (5)\n"
+   "#define f(x) (x * x)\n"
+   "#define fff(x, y, z) (x * y + z)\n"
+   "#define (x, y) (x - y)",
+   Style);
+
+  Style.AlignConsecutiveMacros = true;
+  verifyFormat("#define a3\n"
+   "#define  4\n"
+   "#define ccc  (5)",
+   Style);
+
+  verifyFormat("#define f(x) (x * x)\n"
+   "#define fff(x, y, z) (x * y + z)\n"
+   "#define (x, y)   (x - y)",
+   Style);
+
+  verifyFormat("#define foo(x, y) (x + y)\n"
+   "#define bar   (5, 6)(2 + 2)",
+   Style);
+
+  verifyFormat("#define a3\n"
+   "#define  4\n"
+   "#define ccc  (5)\n"
+   "#define f(x) (x * x)\n"
+   "#define fff(x, y, z) (x * y + z)\n"
+   "#define (x, y)   (x - y)",
+   Style);
+
+  verifyFormat("#define a 5\n"
+   "#define foo(x, y) (x + y)\n"
+   "#define CCC   (6)\n"
+   "auto lambda = []() {\n"
+   "  auto  ii = 0;\n"
+   "  float j  = 0;\n"
+   "  return 0;\n"
+   "};\n"
+   "int   i  = 0;\n"
+   "float i2 = 0;\n"
+   "auto  v  = type{\n"
+   "i = 1,   //\n"
+   "(i = 2), //\n"
+   "i = 3//\n"
+   "};",
+   Style);
+
+  Style.AlignConsecutiveMacros = false;
+  Style.ColumnLimit = 20;
+
+  verifyFormat("#define a  \\\n"
+   "  \"aa\"\n"
+   "#define D  \\\n"
+   "  \"aa\" \\\n"
+   "  \"ccdde\"\n"
+   "#define B  \\\n"
+   "  \"Q\"  \\\n"
+   "  \"F\"  \\\n"
+   "  \"\"\n",
+   Style);
+
+  Style.AlignConsecutiveMacros = true;
+  verifyFormat("#define a  \\\n"
+   "  \"aa\"\n"
+   "#define D  \\\n"
+   "  \"aa\" \\\n"
+   "  \"ccdde\"\n"
+   "#define B  \\\n"
+   "  \"Q\"  \\\n"
+   "  \"F\"  \\\n"
+   "  \"\"\n",
+   Style);
+}
+
 TEST_F(FormatTest, AlignConsecutiveAssignments) {
   FormatStyle Alignment = getLLVMStyle();
+  Alignment.AlignConsecutiveMacros = true;
   Alignment.AlignConsecutiveAssignments = false;
   verifyFormat("int a = 5;\n"
"int oneTwoThree = 123;",
@@ -9735,6 +9831,7 @@
 
 TEST_F(FormatTest, AlignConsecutiveDeclarations) {
   FormatStyle Alignment = getLLVMStyle();
+  Alignment.AlignConsecutiveMacros = true;
   Alignment.AlignConsecutiveDeclarations = false;
   verifyFormat("float const a = 5;\n"
"int oneTwoThree = 123;",
@@ -10856,6 +10953,7 @@
   Style.Language = FormatStyle::LK_Cpp;
   CHECK_PARSE_BOOL(AlignOperands);
   CHECK_PARSE_BOOL(AlignTrailingComments);
+  CHECK_PARSE_BOOL(AlignConsecutiveMacros);
   CHECK_PARSE_BOOL(AlignConsecutiveAssignments);
   C

[PATCH] D28462: clang-format: Add new style option AlignConsecutiveMacros

[Nick Renieris via Phabricator via cfe-commits]

VelocityRa added a comment.

In D28462#1376710 , @enyquist wrote:

> Looks fine to me, although I confess I did not build and run it because I 
> don't have the time to set up the environment again, took a few hours last 
> time I built from scratch (side note, if there's an easy way to speed up 
> llvm/clang compilation up I'd love to hear it :) ).


I selected to //only// build clang-format from within Visual Studio by setting 
it up as the "Start-up project" (I'm sure it's possible regardless of the build 
env.) and it only took about 10 minutes - maybe less - on a quad core. It 
doesn't use many LLVM/Clang components.

> Thanks for taking this over-- I started this because I really needed the 
> feature, but eventually gave up because we didn't need it anymore after a 
> while, and after chasing it on here for nearly a year it just wasn't worth 
> the effort anymore.

Props to you for sticking around so long, I know how tedious these things can 
get.


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[PATCH] D28462: clang-format: Add new style option AlignConsecutiveMacros

[Nick Renieris via Phabricator via cfe-commits]

VelocityRa marked 11 inline comments as done.
VelocityRa added a comment.

Waiting for further feedback before pushing an update.




Comment at: lib/Format/WhitespaceManager.cpp:436
+static void
+AlignTokenSequenceAll(unsigned Start, unsigned End, unsigned Column,
+  F &&Matches,

klimek wrote:
> I don't think the 'All' postfix in the name is helpful. What are you trying 
> to say with that name?
I'm not particularly fond of `All` either, suggestions welcome.

As the comment above explains, `All` refers to the fact that it operates on all 
tokens, instead of being limited to certain cases like `AlignTokenSequence` is. 
Maybe I should name //this// one `AlignTokenSequence` and the other one 
`AlignTokenSequenceOuterScope`, or something.



Comment at: lib/Format/WhitespaceManager.cpp:437
+AlignTokenSequenceAll(unsigned Start, unsigned End, unsigned Column,
+  F &&Matches,
+  SmallVector &Changes) {

klimek wrote:
> Why an rvalue ref? Also, this is used only once, so why make this a template?
It's an rvalue ref, because that's also the case for `AlignTokenSequence` 
(wasn't sure why, so I left it as is).
It's used only once, but the function is more generic that way, no? That's the 
point of its generic name.
Tell me if I should change it.



Comment at: lib/Format/WhitespaceManager.cpp:442
+
+  for (unsigned i = Start; i != End; ++i) {
+if (Changes[i].NewlinesBefore > 0) {

klimek wrote:
> llvm style: use an upper case I for index vars.
Ok, I assume your style changed because this is copied from 
`AlignTokenSequence`.



Comment at: lib/Format/WhitespaceManager.cpp:473
+
+  // Line number of the start and the end of the current token sequence.
+  unsigned StartOfSequence = 0;

klimek wrote:
> These are indices into Matches, not line numbers, right?
Correct. My bad.



Comment at: lib/Format/WhitespaceManager.cpp:500
+if (Changes[i].NewlinesBefore != 0) {
+  EndOfSequence = i;
+  // If there is a blank line, or if the last line didn't contain any

klimek wrote:
> Why set EndOfSequence outside the if below?
It's from `AlignTokens`. I think it's because due to some of the loop logic, it 
ends up not checking up to the point of the the last token.
Without setting this and calling `AlignCurrentSequence()` once more at the end, 
the last line of a macro group does not get properly aligned, the tests fail.



Comment at: lib/Format/WhitespaceManager.cpp:512
+
+// If there is more than one matching token per line, end the sequence.
+if (FoundMatchOnLine)

klimek wrote:
> What's the reason for this?
I don't remember, but it was unnecessary apparently. The tests pass without 
this check.


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[PATCH] D28462: clang-format: Add new style option AlignConsecutiveMacros

[Nick Renieris via Phabricator via cfe-commits]

VelocityRa updated this revision to Diff 191493.
VelocityRa marked 13 inline comments as done.
VelocityRa added a comment.

Diff updated.
Some comments about the inline changes, since the rest were trivial:

- `AlignMacroSequence` was inlined
- `AlignMacros` was after that
- `AlignMacrosMatches` can't be inlined because it's used both by 
`alignConsecutiveMacros`'s (pre-`AlignMacros`) `AlignCurrentSequence` lambda 
and `alignConsecutiveMacros` itself.
- `AlignCurrentSequence` can't be inlined because it's used three times in 
`alignConsecutiveMacros`.


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Files:
  docs/ClangFormatStyleOptions.rst
  include/clang/Format/Format.h
  lib/Format/Format.cpp
  lib/Format/WhitespaceManager.cpp
  lib/Format/WhitespaceManager.h
  unittests/Format/FormatTest.cpp

Index: unittests/Format/FormatTest.cpp
===
--- unittests/Format/FormatTest.cpp
+++ unittests/Format/FormatTest.cpp
@@ -9544,8 +9544,104 @@
NoSpaceStyle);
 }
 
+TEST_F(FormatTest, AlignConsecutiveMacros) {
+  FormatStyle Style = getLLVMStyle();
+  Style.AlignConsecutiveAssignments = true;
+  Style.AlignConsecutiveDeclarations = true;
+  Style.AlignConsecutiveMacros = false;
+
+  verifyFormat("#define a 3\n"
+   "#define  4\n"
+   "#define ccc (5)",
+   Style);
+
+  verifyFormat("#define f(x) (x * x)\n"
+   "#define fff(x, y, z) (x * y + z)\n"
+   "#define (x, y) (x - y)",
+   Style);
+
+  verifyFormat("#define foo(x, y) (x + y)\n"
+   "#define bar (5, 6)(2 + 2)",
+   Style);
+
+  verifyFormat("#define a 3\n"
+   "#define  4\n"
+   "#define ccc (5)\n"
+   "#define f(x) (x * x)\n"
+   "#define fff(x, y, z) (x * y + z)\n"
+   "#define (x, y) (x - y)",
+   Style);
+
+  Style.AlignConsecutiveMacros = true;
+  verifyFormat("#define a3\n"
+   "#define  4\n"
+   "#define ccc  (5)",
+   Style);
+
+  verifyFormat("#define f(x) (x * x)\n"
+   "#define fff(x, y, z) (x * y + z)\n"
+   "#define (x, y)   (x - y)",
+   Style);
+
+  verifyFormat("#define foo(x, y) (x + y)\n"
+   "#define bar   (5, 6)(2 + 2)",
+   Style);
+
+  verifyFormat("#define a3\n"
+   "#define  4\n"
+   "#define ccc  (5)\n"
+   "#define f(x) (x * x)\n"
+   "#define fff(x, y, z) (x * y + z)\n"
+   "#define (x, y)   (x - y)",
+   Style);
+
+  verifyFormat("#define a 5\n"
+   "#define foo(x, y) (x + y)\n"
+   "#define CCC   (6)\n"
+   "auto lambda = []() {\n"
+   "  auto  ii = 0;\n"
+   "  float j  = 0;\n"
+   "  return 0;\n"
+   "};\n"
+   "int   i  = 0;\n"
+   "float i2 = 0;\n"
+   "auto  v  = type{\n"
+   "i = 1,   //\n"
+   "(i = 2), //\n"
+   "i = 3//\n"
+   "};",
+   Style);
+
+  Style.AlignConsecutiveMacros = false;
+  Style.ColumnLimit = 20;
+
+  verifyFormat("#define a  \\\n"
+   "  \"aa\"\n"
+   "#define D  \\\n"
+   "  \"aa\" \\\n"
+   "  \"ccdde\"\n"
+   "#define B  \\\n"
+   "  \"Q\"  \\\n"
+   "  \"F\"  \\\n"
+   "  \"\"\n",
+   Style);
+
+  Style.AlignConsecutiveMacros = true;
+  verifyFormat("#define a  \\\n"
+   "  \"aa\"\n"
+   "#define D  \\\n"
+   "  \"aa\" \\\n"
+   "  \"ccdde\"\n"
+   "#define B  \\\n"
+   "  \"Q\"  \\\n"
+   "  \"F\"  \\\n"
+   "  \"\"\n",
+   Style);
+}
+
 TEST_F(FormatTest, AlignConsecutiveAssignments) {
   FormatStyle Alignment = getLLVMStyle();
+  Alignment.AlignConsecutiveMacros = true;
   Alignment.AlignConsecutiveAssignments = false;
   verifyFormat("int a = 5;\n"
"int oneTwoThree = 123;",
@@ -9735,6 +9831,7 @@
 
 TEST_F(FormatTest, AlignConsecutiveDeclarations) {
   FormatStyle Alignment = getLLVMStyle();
+  Alignment.AlignConsecutiveMacros = true;
   Alignment.AlignConsecutiveDeclarations = false;
   verifyFormat("float const a = 5;\n"
"int oneTwoThree = 123;",
@@ -10856,6 +10953,7 @@
   Style.Language = FormatStyle::LK_Cpp;
   CHECK_PARSE_BOOL(AlignOperands);
   CHECK_PARSE_BOOL(AlignTrailingComments);
+  CHECK_PARSE_BOOL(AlignConsecutiveMacros);
   CH

[PATCH] D28462: clang-format: Add new style option AlignConsecutiveMacros

[Nick Renieris via Phabricator via cfe-commits]

VelocityRa added inline comments.



Comment at: lib/Format/WhitespaceManager.cpp:500
+if (Changes[i].NewlinesBefore != 0) {
+  EndOfSequence = i;
+  // If there is a blank line, or if the last line didn't contain any

klimek wrote:
> VelocityRa wrote:
> > klimek wrote:
> > > Why set EndOfSequence outside the if below?
> > It's from `AlignTokens`. I think it's because due to some of the loop 
> > logic, it ends up not checking up to the point of the the last token.
> > Without setting this and calling `AlignCurrentSequence()` once more at the 
> > end, the last line of a macro group does not get properly aligned, the 
> > tests fail.
> I was suggesting to move it inside the if below, did you try that (sounds 
> like you tried to remove it).
I moved it so that the below `if` is:
```
  if (Changes[i].NewlinesBefore > 1 || !FoundMatchOnLine) {
EndOfSequence = i;
AlignCurrentSequence();
  }
```
and it did not work correctly.


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[PATCH] D28462: clang-format: Add new style option AlignConsecutiveMacros

[Nick Renieris via Phabricator via cfe-commits]

VelocityRa updated this revision to Diff 191891.
VelocityRa added a comment.

Right, how's that?


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Files:
  docs/ClangFormatStyleOptions.rst
  include/clang/Format/Format.h
  lib/Format/Format.cpp
  lib/Format/WhitespaceManager.cpp
  lib/Format/WhitespaceManager.h
  unittests/Format/FormatTest.cpp

Index: unittests/Format/FormatTest.cpp
===
--- unittests/Format/FormatTest.cpp
+++ unittests/Format/FormatTest.cpp
@@ -9544,8 +9544,104 @@
NoSpaceStyle);
 }
 
+TEST_F(FormatTest, AlignConsecutiveMacros) {
+  FormatStyle Style = getLLVMStyle();
+  Style.AlignConsecutiveAssignments = true;
+  Style.AlignConsecutiveDeclarations = true;
+  Style.AlignConsecutiveMacros = false;
+
+  verifyFormat("#define a 3\n"
+   "#define  4\n"
+   "#define ccc (5)",
+   Style);
+
+  verifyFormat("#define f(x) (x * x)\n"
+   "#define fff(x, y, z) (x * y + z)\n"
+   "#define (x, y) (x - y)",
+   Style);
+
+  verifyFormat("#define foo(x, y) (x + y)\n"
+   "#define bar (5, 6)(2 + 2)",
+   Style);
+
+  verifyFormat("#define a 3\n"
+   "#define  4\n"
+   "#define ccc (5)\n"
+   "#define f(x) (x * x)\n"
+   "#define fff(x, y, z) (x * y + z)\n"
+   "#define (x, y) (x - y)",
+   Style);
+
+  Style.AlignConsecutiveMacros = true;
+  verifyFormat("#define a3\n"
+   "#define  4\n"
+   "#define ccc  (5)",
+   Style);
+
+  verifyFormat("#define f(x) (x * x)\n"
+   "#define fff(x, y, z) (x * y + z)\n"
+   "#define (x, y)   (x - y)",
+   Style);
+
+  verifyFormat("#define foo(x, y) (x + y)\n"
+   "#define bar   (5, 6)(2 + 2)",
+   Style);
+
+  verifyFormat("#define a3\n"
+   "#define  4\n"
+   "#define ccc  (5)\n"
+   "#define f(x) (x * x)\n"
+   "#define fff(x, y, z) (x * y + z)\n"
+   "#define (x, y)   (x - y)",
+   Style);
+
+  verifyFormat("#define a 5\n"
+   "#define foo(x, y) (x + y)\n"
+   "#define CCC   (6)\n"
+   "auto lambda = []() {\n"
+   "  auto  ii = 0;\n"
+   "  float j  = 0;\n"
+   "  return 0;\n"
+   "};\n"
+   "int   i  = 0;\n"
+   "float i2 = 0;\n"
+   "auto  v  = type{\n"
+   "i = 1,   //\n"
+   "(i = 2), //\n"
+   "i = 3//\n"
+   "};",
+   Style);
+
+  Style.AlignConsecutiveMacros = false;
+  Style.ColumnLimit = 20;
+
+  verifyFormat("#define a  \\\n"
+   "  \"aa\"\n"
+   "#define D  \\\n"
+   "  \"aa\" \\\n"
+   "  \"ccdde\"\n"
+   "#define B  \\\n"
+   "  \"Q\"  \\\n"
+   "  \"F\"  \\\n"
+   "  \"\"\n",
+   Style);
+
+  Style.AlignConsecutiveMacros = true;
+  verifyFormat("#define a  \\\n"
+   "  \"aa\"\n"
+   "#define D  \\\n"
+   "  \"aa\" \\\n"
+   "  \"ccdde\"\n"
+   "#define B  \\\n"
+   "  \"Q\"  \\\n"
+   "  \"F\"  \\\n"
+   "  \"\"\n",
+   Style);
+}
+
 TEST_F(FormatTest, AlignConsecutiveAssignments) {
   FormatStyle Alignment = getLLVMStyle();
+  Alignment.AlignConsecutiveMacros = true;
   Alignment.AlignConsecutiveAssignments = false;
   verifyFormat("int a = 5;\n"
"int oneTwoThree = 123;",
@@ -9735,6 +9831,7 @@
 
 TEST_F(FormatTest, AlignConsecutiveDeclarations) {
   FormatStyle Alignment = getLLVMStyle();
+  Alignment.AlignConsecutiveMacros = true;
   Alignment.AlignConsecutiveDeclarations = false;
   verifyFormat("float const a = 5;\n"
"int oneTwoThree = 123;",
@@ -10856,6 +10953,7 @@
   Style.Language = FormatStyle::LK_Cpp;
   CHECK_PARSE_BOOL(AlignOperands);
   CHECK_PARSE_BOOL(AlignTrailingComments);
+  CHECK_PARSE_BOOL(AlignConsecutiveMacros);
   CHECK_PARSE_BOOL(AlignConsecutiveAssignments);
   CHECK_PARSE_BOOL(AlignConsecutiveDeclarations);
   CHECK_PARSE_BOOL(AllowAllParametersOfDeclarationOnNextLine);
Index: lib/Format/WhitespaceManager.h
===
--- lib/Format/WhitespaceManager.h
+++ lib/Format/WhitespaceManager.h
@@ -169,6 +169,9 @@
   /// \c EscapedNewlineColumn for the first tokens or token parts in a line.
   void calculateLineBreakI

[PATCH] D28462: clang-format: Add new style option AlignConsecutiveMacros

[Nick Renieris via Phabricator via cfe-commits]

VelocityRa added inline comments.



Comment at: lib/Format/WhitespaceManager.cpp:520
+
+  AlignMacroSequence(StartOfSequence, EndOfSequence, MinColumn, MaxColumn,
+ FoundMatchOnLine, AlignMacrosMatches, Changes);

klimek wrote:
> Why are we calling AlignMacroSequence(0, 0, ...) here?
Wasn't needed apparently.



Comment at: lib/Format/WhitespaceManager.cpp:524
+  unsigned I = 0;
+  for (unsigned E = Changes.size(); I != E; ++I) {
+if (Changes[I].NewlinesBefore != 0) {

klimek wrote:
> I still think the code in this loop either needs significantly more comments 
> to explain what's going on, or needs to be changed to be more straight 
> forward:
> What I don't understand is why we're calling AlignMacroSequence potentially 
> multiple times, and especially what things like the if in line 541 are for.
That `if` and surrounding logic also exists and is copied from `AlignTokens` 
and it's not documented there.
Anyway, apparently the extra `AlignMacroSequence` in this loop could be 
removed. I tried iteratively removing/tweaking other snippets like the `if` and 
tests failed.


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[PATCH] D28462: clang-format: Add new style option AlignConsecutiveMacros

[Nick Renieris via Phabricator via cfe-commits]

VelocityRa updated this revision to Diff 192694.
VelocityRa marked 4 inline comments as done.

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Files:
  docs/ClangFormatStyleOptions.rst
  include/clang/Format/Format.h
  lib/Format/Format.cpp
  lib/Format/WhitespaceManager.cpp
  lib/Format/WhitespaceManager.h
  unittests/Format/FormatTest.cpp

Index: unittests/Format/FormatTest.cpp
===
--- unittests/Format/FormatTest.cpp
+++ unittests/Format/FormatTest.cpp
@@ -9544,8 +9544,104 @@
NoSpaceStyle);
 }
 
+TEST_F(FormatTest, AlignConsecutiveMacros) {
+  FormatStyle Style = getLLVMStyle();
+  Style.AlignConsecutiveAssignments = true;
+  Style.AlignConsecutiveDeclarations = true;
+  Style.AlignConsecutiveMacros = false;
+
+  verifyFormat("#define a 3\n"
+   "#define  4\n"
+   "#define ccc (5)",
+   Style);
+
+  verifyFormat("#define f(x) (x * x)\n"
+   "#define fff(x, y, z) (x * y + z)\n"
+   "#define (x, y) (x - y)",
+   Style);
+
+  verifyFormat("#define foo(x, y) (x + y)\n"
+   "#define bar (5, 6)(2 + 2)",
+   Style);
+
+  verifyFormat("#define a 3\n"
+   "#define  4\n"
+   "#define ccc (5)\n"
+   "#define f(x) (x * x)\n"
+   "#define fff(x, y, z) (x * y + z)\n"
+   "#define (x, y) (x - y)",
+   Style);
+
+  Style.AlignConsecutiveMacros = true;
+  verifyFormat("#define a3\n"
+   "#define  4\n"
+   "#define ccc  (5)",
+   Style);
+
+  verifyFormat("#define f(x) (x * x)\n"
+   "#define fff(x, y, z) (x * y + z)\n"
+   "#define (x, y)   (x - y)",
+   Style);
+
+  verifyFormat("#define foo(x, y) (x + y)\n"
+   "#define bar   (5, 6)(2 + 2)",
+   Style);
+
+  verifyFormat("#define a3\n"
+   "#define  4\n"
+   "#define ccc  (5)\n"
+   "#define f(x) (x * x)\n"
+   "#define fff(x, y, z) (x * y + z)\n"
+   "#define (x, y)   (x - y)",
+   Style);
+
+  verifyFormat("#define a 5\n"
+   "#define foo(x, y) (x + y)\n"
+   "#define CCC   (6)\n"
+   "auto lambda = []() {\n"
+   "  auto  ii = 0;\n"
+   "  float j  = 0;\n"
+   "  return 0;\n"
+   "};\n"
+   "int   i  = 0;\n"
+   "float i2 = 0;\n"
+   "auto  v  = type{\n"
+   "i = 1,   //\n"
+   "(i = 2), //\n"
+   "i = 3//\n"
+   "};",
+   Style);
+
+  Style.AlignConsecutiveMacros = false;
+  Style.ColumnLimit = 20;
+
+  verifyFormat("#define a  \\\n"
+   "  \"aa\"\n"
+   "#define D  \\\n"
+   "  \"aa\" \\\n"
+   "  \"ccdde\"\n"
+   "#define B  \\\n"
+   "  \"Q\"  \\\n"
+   "  \"F\"  \\\n"
+   "  \"\"\n",
+   Style);
+
+  Style.AlignConsecutiveMacros = true;
+  verifyFormat("#define a  \\\n"
+   "  \"aa\"\n"
+   "#define D  \\\n"
+   "  \"aa\" \\\n"
+   "  \"ccdde\"\n"
+   "#define B  \\\n"
+   "  \"Q\"  \\\n"
+   "  \"F\"  \\\n"
+   "  \"\"\n",
+   Style);
+}
+
 TEST_F(FormatTest, AlignConsecutiveAssignments) {
   FormatStyle Alignment = getLLVMStyle();
+  Alignment.AlignConsecutiveMacros = true;
   Alignment.AlignConsecutiveAssignments = false;
   verifyFormat("int a = 5;\n"
"int oneTwoThree = 123;",
@@ -9735,6 +9831,7 @@
 
 TEST_F(FormatTest, AlignConsecutiveDeclarations) {
   FormatStyle Alignment = getLLVMStyle();
+  Alignment.AlignConsecutiveMacros = true;
   Alignment.AlignConsecutiveDeclarations = false;
   verifyFormat("float const a = 5;\n"
"int oneTwoThree = 123;",
@@ -10856,6 +10953,7 @@
   Style.Language = FormatStyle::LK_Cpp;
   CHECK_PARSE_BOOL(AlignOperands);
   CHECK_PARSE_BOOL(AlignTrailingComments);
+  CHECK_PARSE_BOOL(AlignConsecutiveMacros);
   CHECK_PARSE_BOOL(AlignConsecutiveAssignments);
   CHECK_PARSE_BOOL(AlignConsecutiveDeclarations);
   CHECK_PARSE_BOOL(AllowAllParametersOfDeclarationOnNextLine);
Index: lib/Format/WhitespaceManager.h
===
--- lib/Format/WhitespaceManager.h
+++ lib/Format/WhitespaceManager.h
@@ -169,6 +169,9 @@
   /// \c EscapedNewlineColumn for the first tokens or token parts in a line.
   void calculateLineBreakInfor

[PATCH] D28462: clang-format: Add new style option AlignConsecutiveMacros

[Nick Renieris via Phabricator via cfe-commits]

VelocityRa added a comment.

Ping.


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[PATCH] D28462: clang-format: Add new style option AlignConsecutiveMacros

[Nick Renieris via Phabricator via cfe-commits]

VelocityRa added a comment.

In D28462#1575262 , @sylvestre.ledru 
wrote:

> @VelocityRa could you please add it to the release notes?
>  https://github.com/llvm-mirror/clang/blob/master/docs/ReleaseNotes.rst
>  I can commit the change if you need


Yeah could you do it? Thank you.


Repository:
  rL LLVM

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