https://github.com/rayroudc updated
https://github.com/llvm/llvm-project/pull/86254
>From 3d4d9d701ee39d0bd4d60e4d0cd4a8577ce085d7 Mon Sep 17 00:00:00 2001
From: "C. Rayroud" <rayro...@gmail.com>
Date: Mon, 18 Mar 2024 06:39:26 +0000
Subject: [PATCH 1/2] [clang-format] Fix anonymous reference parameter with
default value
---
clang/lib/Format/WhitespaceManager.cpp | 3 +++
clang/unittests/Format/FormatTest.cpp | 7 +++++++
2 files changed, 10 insertions(+)
diff --git a/clang/lib/Format/WhitespaceManager.cpp
b/clang/lib/Format/WhitespaceManager.cpp
index fef85abf79a38c..b2f7fb2643a67a 100644
--- a/clang/lib/Format/WhitespaceManager.cpp
+++ b/clang/lib/Format/WhitespaceManager.cpp
@@ -475,6 +475,9 @@ AlignTokenSequence(const FormatStyle &Style, unsigned
Start, unsigned End,
Previous >= 0 &&
Changes[Previous].Tok->getType() == TT_PointerOrReference;
--Previous) {
+ // Don't align function default argument using return type maximum size
+ if (Changes[Previous + 1].Tok->is(tok::equal))
+ continue;
assert(Changes[Previous].Tok->isPointerOrReference());
if (Changes[Previous].Tok->isNot(tok::star)) {
if (ReferenceNotRightAligned)
diff --git a/clang/unittests/Format/FormatTest.cpp
b/clang/unittests/Format/FormatTest.cpp
index bea989c8c306db..a59480e0d3c505 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -19056,6 +19056,9 @@ TEST_F(FormatTest, AlignConsecutiveDeclarations) {
verifyFormat("int a(int x);\n"
"double b();",
Alignment);
+ verifyFormat("int a(const Test & = Test());\n"
+ "double b();",
+ Alignment);
verifyFormat("struct Test {\n"
" Test(const Test &) = default;\n"
" ~Test() = default;\n"
@@ -19277,6 +19280,10 @@ TEST_F(FormatTest, AlignConsecutiveDeclarations) {
"int foobar;",
AlignmentLeft);
+ verifyFormat("int a(const Test& = Test());\n"
+ "double b();",
+ AlignmentLeft);
+
// PAS_Middle
FormatStyle AlignmentMiddle = Alignment;
AlignmentMiddle.PointerAlignment = FormatStyle::PAS_Middle;
>From a1acaeecd660f1489b6f87aa9775588c2eef5693 Mon Sep 17 00:00:00 2001
From: "C. Rayroud" <rayro...@gmail.com>
Date: Mon, 25 Mar 2024 07:26:39 +0000
Subject: [PATCH 2/2] Simplify and add more tests
---
clang/lib/Format/WhitespaceManager.cpp | 8 +++-----
clang/unittests/Format/FormatTest.cpp | 16 ++++++++++++++--
2 files changed, 17 insertions(+), 7 deletions(-)
diff --git a/clang/lib/Format/WhitespaceManager.cpp
b/clang/lib/Format/WhitespaceManager.cpp
index b2f7fb2643a67a..44b583a623b9d4 100644
--- a/clang/lib/Format/WhitespaceManager.cpp
+++ b/clang/lib/Format/WhitespaceManager.cpp
@@ -464,10 +464,11 @@ AlignTokenSequence(const FormatStyle &Style, unsigned
Start, unsigned End,
if (i + 1 != Changes.size())
Changes[i + 1].PreviousEndOfTokenColumn += Shift;
- // If PointerAlignment is PAS_Right, keep *s or &s next to the token
+ // If PointerAlignment is PAS_Right, keep *s or &s next to the token,
+ // except if the token is equal, then a space is needed.
if ((Style.PointerAlignment == FormatStyle::PAS_Right ||
Style.ReferenceAlignment == FormatStyle::RAS_Right) &&
- CurrentChange.Spaces != 0) {
+ CurrentChange.Spaces != 0 && CurrentChange.Tok->isNot(tok::equal)) {
const bool ReferenceNotRightAligned =
Style.ReferenceAlignment != FormatStyle::RAS_Right &&
Style.ReferenceAlignment != FormatStyle::RAS_Pointer;
@@ -475,9 +476,6 @@ AlignTokenSequence(const FormatStyle &Style, unsigned
Start, unsigned End,
Previous >= 0 &&
Changes[Previous].Tok->getType() == TT_PointerOrReference;
--Previous) {
- // Don't align function default argument using return type maximum size
- if (Changes[Previous + 1].Tok->is(tok::equal))
- continue;
assert(Changes[Previous].Tok->isPointerOrReference());
if (Changes[Previous].Tok->isNot(tok::star)) {
if (ReferenceNotRightAligned)
diff --git a/clang/unittests/Format/FormatTest.cpp
b/clang/unittests/Format/FormatTest.cpp
index a59480e0d3c505..fe979f63932bbb 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -19056,7 +19056,8 @@ TEST_F(FormatTest, AlignConsecutiveDeclarations) {
verifyFormat("int a(int x);\n"
"double b();",
Alignment);
- verifyFormat("int a(const Test & = Test());\n"
+ verifyFormat("int a(const Test &name = Test());\n"
+ "int a2(int &foo, const Test &name = Test());\n"
"double b();",
Alignment);
verifyFormat("struct Test {\n"
@@ -19095,6 +19096,13 @@ TEST_F(FormatTest, AlignConsecutiveDeclarations) {
" int x,\n"
" bool y);",
Alignment);
+ // Set ColumnLimit low so that we break the argument list in multiple lines.
+ Alignment.ColumnLimit = 35;
+ verifyFormat("int a3(SomeTypeName1 &x,\n"
+ " SomeTypeName2 &y,\n"
+ " const Test & = Test());\n"
+ "double b();",
+ Alignment);
Alignment.ColumnLimit = OldColumnLimit;
// Ensure function pointers don't screw up recursive alignment
verifyFormat("int a(int x, void (*fp)(int y));\n"
@@ -19280,7 +19288,7 @@ TEST_F(FormatTest, AlignConsecutiveDeclarations) {
"int foobar;",
AlignmentLeft);
- verifyFormat("int a(const Test& = Test());\n"
+ verifyFormat("int a(int& count, SomeType& foo, const Test& = Test());\n"
"double b();",
AlignmentLeft);
@@ -19344,6 +19352,10 @@ TEST_F(FormatTest, AlignConsecutiveDeclarations) {
"int foobar;",
AlignmentMiddle);
+ verifyFormat("int a(int & count, SomeType & foo, const Test & =
Test());\n"
+ "double b();",
+ AlignmentMiddle);
+
Alignment.AlignConsecutiveAssignments.Enabled = false;
Alignment.AlignEscapedNewlines = FormatStyle::ENAS_DontAlign;
verifyFormat("#define A \\\n"
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