[clang] [clang-format][NFC] Delete TT_LambdaArrow (PR #70519)
Owen Pan via cfe-commits
cfe-commits at lists.llvm.org
Fri Oct 27 15:42:24 PDT 2023
https://github.com/owenca created https://github.com/llvm/llvm-project/pull/70519
It's one type of TT_TrailingReturnArrow.
>From 64d622264f2e3cd3345f741965f450daa00bac5e Mon Sep 17 00:00:00 2001
From: Owen Pan <owenpiano at gmail.com>
Date: Fri, 27 Oct 2023 15:33:40 -0700
Subject: [PATCH] [clang-format][NFC] Delete TT_LambdaArrow
It's one type of TT_TrailingReturnArrow.
---
clang/lib/Format/ContinuationIndenter.cpp | 8 +++--
clang/lib/Format/FormatToken.h | 3 +-
clang/lib/Format/TokenAnnotator.cpp | 34 +++++++++----------
clang/lib/Format/UnwrappedLineParser.cpp | 2 +-
clang/unittests/Format/TokenAnnotatorTest.cpp | 12 +++----
5 files changed, 29 insertions(+), 30 deletions(-)
diff --git a/clang/lib/Format/ContinuationIndenter.cpp b/clang/lib/Format/ContinuationIndenter.cpp
index 3b28f84fd8417d3..3a829cdedb77fc7 100644
--- a/clang/lib/Format/ContinuationIndenter.cpp
+++ b/clang/lib/Format/ContinuationIndenter.cpp
@@ -813,8 +813,10 @@ void ContinuationIndenter::addTokenOnCurrentLine(LineState &State, bool DryRun,
CurrentState.ContainsUnwrappedBuilder = true;
}
- if (Current.is(TT_LambdaArrow) && Style.Language == FormatStyle::LK_Java)
+ if (Current.is(TT_TrailingReturnArrow) &&
+ Style.Language == FormatStyle::LK_Java) {
CurrentState.NoLineBreak = true;
+ }
if (Current.isMemberAccess() && Previous.is(tok::r_paren) &&
(Previous.MatchingParen &&
(Previous.TotalLength - Previous.MatchingParen->TotalLength > 10))) {
@@ -969,7 +971,7 @@ unsigned ContinuationIndenter::addTokenOnNewLine(LineState &State,
//
// is common and should be formatted like a free-standing function. The same
// goes for wrapping before the lambda return type arrow.
- if (Current.isNot(TT_LambdaArrow) &&
+ if (Current.isNot(TT_TrailingReturnArrow) &&
(!Style.isJavaScript() || Current.NestingLevel != 0 ||
!PreviousNonComment || PreviousNonComment->isNot(tok::equal) ||
!Current.isOneOf(Keywords.kw_async, Keywords.kw_function))) {
@@ -1548,7 +1550,7 @@ unsigned ContinuationIndenter::moveStateToNextToken(LineState &State,
}
if (Current.isOneOf(TT_BinaryOperator, TT_ConditionalExpr) && Newline)
CurrentState.NestedBlockIndent = State.Column + Current.ColumnWidth + 1;
- if (Current.isOneOf(TT_LambdaLSquare, TT_LambdaArrow))
+ if (Current.isOneOf(TT_LambdaLSquare, TT_TrailingReturnArrow))
CurrentState.LastSpace = State.Column;
if (Current.is(TT_RequiresExpression) &&
Style.RequiresExpressionIndentation == FormatStyle::REI_Keyword) {
diff --git a/clang/lib/Format/FormatToken.h b/clang/lib/Format/FormatToken.h
index acd24f836199da1..87f6a76ec5bfd39 100644
--- a/clang/lib/Format/FormatToken.h
+++ b/clang/lib/Format/FormatToken.h
@@ -100,7 +100,6 @@ namespace format {
TYPE(JsTypeColon) \
TYPE(JsTypeOperator) \
TYPE(JsTypeOptionalQuestion) \
- TYPE(LambdaArrow) \
TYPE(LambdaLBrace) \
TYPE(LambdaLSquare) \
TYPE(LeadingJavaAnnotation) \
@@ -690,7 +689,7 @@ struct FormatToken {
bool isMemberAccess() const {
return isOneOf(tok::arrow, tok::period, tok::arrowstar) &&
!isOneOf(TT_DesignatedInitializerPeriod, TT_TrailingReturnArrow,
- TT_LambdaArrow, TT_LeadingJavaAnnotation);
+ TT_LeadingJavaAnnotation);
}
bool isUnaryOperator() const {
diff --git a/clang/lib/Format/TokenAnnotator.cpp b/clang/lib/Format/TokenAnnotator.cpp
index e0ea8bcdb07a32b..9ec8b93e39fd23a 100644
--- a/clang/lib/Format/TokenAnnotator.cpp
+++ b/clang/lib/Format/TokenAnnotator.cpp
@@ -766,7 +766,8 @@ class AnnotatingParser {
}
// An arrow after an ObjC method expression is not a lambda arrow.
if (CurrentToken->getType() == TT_ObjCMethodExpr &&
- CurrentToken->Next && CurrentToken->Next->is(TT_LambdaArrow)) {
+ CurrentToken->Next &&
+ CurrentToken->Next->is(TT_TrailingReturnArrow)) {
CurrentToken->Next->overwriteFixedType(TT_Unknown);
}
Left->MatchingParen = CurrentToken;
@@ -1409,10 +1410,8 @@ class AnnotatingParser {
}
break;
case tok::arrow:
- if (Tok->isNot(TT_LambdaArrow) && Tok->Previous &&
- Tok->Previous->is(tok::kw_noexcept)) {
+ if (Tok->Previous && Tok->Previous->is(tok::kw_noexcept))
Tok->setType(TT_TrailingReturnArrow);
- }
break;
default:
break;
@@ -1689,11 +1688,11 @@ class AnnotatingParser {
TT_LambdaLSquare, TT_LambdaLBrace, TT_AttributeMacro, TT_IfMacro,
TT_ForEachMacro, TT_TypenameMacro, TT_FunctionLBrace,
TT_ImplicitStringLiteral, TT_InlineASMBrace, TT_FatArrow,
- TT_LambdaArrow, TT_NamespaceMacro, TT_OverloadedOperator,
- TT_RegexLiteral, TT_TemplateString, TT_ObjCStringLiteral,
- TT_UntouchableMacroFunc, TT_StatementAttributeLikeMacro,
- TT_FunctionLikeOrFreestandingMacro, TT_ClassLBrace, TT_EnumLBrace,
- TT_RecordLBrace, TT_StructLBrace, TT_UnionLBrace, TT_RequiresClause,
+ TT_NamespaceMacro, TT_OverloadedOperator, TT_RegexLiteral,
+ TT_TemplateString, TT_ObjCStringLiteral, TT_UntouchableMacroFunc,
+ TT_StatementAttributeLikeMacro, TT_FunctionLikeOrFreestandingMacro,
+ TT_ClassLBrace, TT_EnumLBrace, TT_RecordLBrace, TT_StructLBrace,
+ TT_UnionLBrace, TT_RequiresClause,
TT_RequiresClauseInARequiresExpression, TT_RequiresExpression,
TT_RequiresExpressionLParen, TT_RequiresExpressionLBrace,
TT_BracedListLBrace)) {
@@ -1876,7 +1875,7 @@ class AnnotatingParser {
Contexts.back().IsExpression = true;
} else if (Current.is(TT_TrailingReturnArrow)) {
Contexts.back().IsExpression = false;
- } else if (Current.is(TT_LambdaArrow) || Current.is(Keywords.kw_assert)) {
+ } else if (Current.is(Keywords.kw_assert)) {
Contexts.back().IsExpression = Style.Language == FormatStyle::LK_Java;
} else if (Current.Previous &&
Current.Previous->is(TT_CtorInitializerColon)) {
@@ -2010,7 +2009,7 @@ class AnnotatingParser {
AutoFound = true;
} else if (Current.is(tok::arrow) &&
Style.Language == FormatStyle::LK_Java) {
- Current.setType(TT_LambdaArrow);
+ Current.setType(TT_TrailingReturnArrow);
} else if (Current.is(tok::arrow) && AutoFound &&
Line.MightBeFunctionDecl && Current.NestingLevel == 0 &&
!Current.Previous->isOneOf(tok::kw_operator, tok::identifier)) {
@@ -2857,7 +2856,7 @@ class ExpressionParser {
}
if (Current->is(TT_JsComputedPropertyName))
return prec::Assignment;
- if (Current->is(TT_LambdaArrow))
+ if (Current->is(TT_TrailingReturnArrow))
return prec::Comma;
if (Current->is(TT_FatArrow))
return prec::Assignment;
@@ -3742,7 +3741,7 @@ unsigned TokenAnnotator::splitPenalty(const AnnotatedLine &Line,
}
if (Right.is(TT_PointerOrReference))
return 190;
- if (Right.is(TT_LambdaArrow))
+ if (Right.is(TT_TrailingReturnArrow))
return 110;
if (Left.is(tok::equal) && Right.is(tok::l_brace))
return 160;
@@ -4744,10 +4743,9 @@ bool TokenAnnotator::spaceRequiredBefore(const AnnotatedLine &Line,
return false;
}
- if (Right.isOneOf(TT_TrailingReturnArrow, TT_LambdaArrow) ||
- Left.isOneOf(TT_TrailingReturnArrow, TT_LambdaArrow)) {
+ if (Right.is(TT_TrailingReturnArrow) || Left.is(TT_TrailingReturnArrow))
return true;
- }
+
if (Left.is(tok::comma) && Right.isNot(TT_OverloadedOperatorLParen) &&
// In an unexpanded macro call we only find the parentheses and commas
// in a line; the commas and closing parenthesis do not require a space.
@@ -5724,8 +5722,8 @@ bool TokenAnnotator::canBreakBefore(const AnnotatedLine &Line,
return Left.isOneOf(tok::comma, tok::coloncolon, tok::semi, tok::l_brace,
tok::kw_class, tok::kw_struct, tok::comment) ||
Right.isMemberAccess() ||
- Right.isOneOf(TT_TrailingReturnArrow, TT_LambdaArrow, tok::lessless,
- tok::colon, tok::l_square, tok::at) ||
+ Right.isOneOf(TT_TrailingReturnArrow, tok::lessless, tok::colon,
+ tok::l_square, tok::at) ||
(Left.is(tok::r_paren) &&
Right.isOneOf(tok::identifier, tok::kw_const)) ||
(Left.is(tok::l_paren) && Right.isNot(tok::r_paren)) ||
diff --git a/clang/lib/Format/UnwrappedLineParser.cpp b/clang/lib/Format/UnwrappedLineParser.cpp
index 488d8dc07b1eae3..30f9bcbfa29308e 100644
--- a/clang/lib/Format/UnwrappedLineParser.cpp
+++ b/clang/lib/Format/UnwrappedLineParser.cpp
@@ -2256,7 +2256,7 @@ bool UnwrappedLineParser::tryToParseLambda() {
// This might or might not actually be a lambda arrow (this could be an
// ObjC method invocation followed by a dereferencing arrow). We might
// reset this back to TT_Unknown in TokenAnnotator.
- FormatTok->setFinalizedType(TT_LambdaArrow);
+ FormatTok->setFinalizedType(TT_TrailingReturnArrow);
SeenArrow = true;
nextToken();
break;
diff --git a/clang/unittests/Format/TokenAnnotatorTest.cpp b/clang/unittests/Format/TokenAnnotatorTest.cpp
index ce4d026207499c9..c16c7d64752458a 100644
--- a/clang/unittests/Format/TokenAnnotatorTest.cpp
+++ b/clang/unittests/Format/TokenAnnotatorTest.cpp
@@ -1438,19 +1438,19 @@ TEST_F(TokenAnnotatorTest, UnderstandsLambdas) {
Tokens = annotate("[]() -> auto {}");
ASSERT_EQ(Tokens.size(), 9u) << Tokens;
EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare);
- EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow);
+ EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow);
EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace);
Tokens = annotate("[]() -> auto & {}");
ASSERT_EQ(Tokens.size(), 10u) << Tokens;
EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare);
- EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow);
+ EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow);
EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace);
Tokens = annotate("[]() -> auto * {}");
ASSERT_EQ(Tokens.size(), 10u) << Tokens;
EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare);
- EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow);
+ EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow);
EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace);
Tokens = annotate("[] {}");
@@ -1466,7 +1466,7 @@ TEST_F(TokenAnnotatorTest, UnderstandsLambdas) {
Tokens = annotate("[] -> auto {}");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare);
- EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow);
+ EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow);
EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace);
Tokens = annotate("[] <typename T> () {}");
@@ -1547,7 +1547,7 @@ TEST_F(TokenAnnotatorTest, UnderstandsLambdas) {
ASSERT_EQ(Tokens.size(), 20u) << Tokens;
EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare);
EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener);
- EXPECT_TOKEN(Tokens[10], tok::arrow, TT_LambdaArrow);
+ EXPECT_TOKEN(Tokens[10], tok::arrow, TT_TrailingReturnArrow);
EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause);
EXPECT_TRUE(Tokens[16]->ClosesRequiresClause);
EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace);
@@ -1608,7 +1608,7 @@ TEST_F(TokenAnnotatorTest, UnderstandsLambdas) {
EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener);
EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause);
EXPECT_TRUE(Tokens[10]->ClosesRequiresClause);
- EXPECT_TOKEN(Tokens[11], tok::arrow, TT_LambdaArrow);
+ EXPECT_TOKEN(Tokens[11], tok::arrow, TT_TrailingReturnArrow);
EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace);
Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}");
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