Merge pull request #2486 from nghttp2/bump-clang-format

Bump clang-format to 19

.clang-format

@@ -35,7 +35,29 @@ AlignConsecutiveShortCaseStatements:
   Enabled:         false
   AcrossEmptyLines: false
   AcrossComments:  false
+  AlignCaseArrows: false
   AlignCaseColons: false
+AlignConsecutiveTableGenBreakingDAGArgColons:
+  Enabled:         false
+  AcrossEmptyLines: false
+  AcrossComments:  false
+  AlignCompound:   false
+  AlignFunctionPointers: false
+  PadOperators:    false
+AlignConsecutiveTableGenCondOperatorColons:
+  Enabled:         false
+  AcrossEmptyLines: false
+  AcrossComments:  false
+  AlignCompound:   false
+  AlignFunctionPointers: false
+  PadOperators:    false
+AlignConsecutiveTableGenDefinitionColons:
+  Enabled:         false
+  AcrossEmptyLines: false
+  AcrossComments:  false
+  AlignCompound:   false
+  AlignFunctionPointers: false
+  PadOperators:    false
 AlignEscapedNewlines: Right
 AlignOperands:   Align
 AlignTrailingComments:
@@ -45,6 +67,7 @@ AllowAllArgumentsOnNextLine: true
 AllowAllParametersOfDeclarationOnNextLine: true
 AllowBreakBeforeNoexceptSpecifier: Never
 AllowShortBlocksOnASingleLine: Never
+AllowShortCaseExpressionOnASingleLine: true
 AllowShortCaseLabelsOnASingleLine: false
 AllowShortCompoundRequirementOnASingleLine: true
 AllowShortEnumsOnASingleLine: true
@@ -53,9 +76,7 @@ AllowShortIfStatementsOnASingleLine: Never
 AllowShortLambdasOnASingleLine: All
 AllowShortLoopsOnASingleLine: false
 AlwaysBreakAfterDefinitionReturnType: None
-AlwaysBreakAfterReturnType: None
 AlwaysBreakBeforeMultilineStrings: false
-AlwaysBreakTemplateDeclarations: MultiLine
 AttributeMacros:
   - __capability
 BinPackArguments: true
@@ -83,6 +104,7 @@ BraceWrapping:
 BreakAdjacentStringLiterals: true
 BreakAfterAttributes: Leave
 BreakAfterJavaFieldAnnotations: false
+BreakAfterReturnType: None
 BreakArrays:     true
 BreakBeforeBinaryOperators: None
 BreakBeforeConceptDeclarations: Always
@@ -90,8 +112,10 @@ BreakBeforeBraces: Attach
 BreakBeforeInlineASMColon: OnlyMultiline
 BreakBeforeTernaryOperators: true
 BreakConstructorInitializers: BeforeColon
+BreakFunctionDefinitionParameters: false
 BreakInheritanceList: BeforeColon
 BreakStringLiterals: true
+BreakTemplateDeclarations: MultiLine
 ColumnLimit:     80
 CommentPragmas:  '^ IWYU pragma:'
 CompactNamespaces: false
@@ -147,12 +171,15 @@ IntegerLiteralSeparator:
   HexMinDigits:    0
 JavaScriptQuotes: Leave
 JavaScriptWrapImports: true
-KeepEmptyLinesAtTheStartOfBlocks: false
+KeepEmptyLines:
-KeepEmptyLinesAtEOF: false
+  AtEndOfFile:     false
+  AtStartOfBlock:  false
+  AtStartOfFile:   true
 LambdaBodyIndentation: Signature
 LineEnding:      DeriveLF
 MacroBlockBegin: ''
 MacroBlockEnd:   ''
+MainIncludeChar: Quote
 MaxEmptyLinesToKeep: 1
 NamespaceIndentation: None
 ObjCBinPackProtocolList: Auto
@@ -221,6 +248,7 @@ SpacesInLineCommentPrefix:
   Maximum:         -1
 SpacesInParens:  Never
 SpacesInParensOptions:
+  ExceptDoubleParentheses: false
   InCStyleCasts:   false
   InConditionalStatements: false
   InEmptyParentheses: false
@@ -235,6 +263,7 @@ StatementMacros:
   - munit_void_test_decl
   - nghttp2_max_def
   - nghttp2_min_def
+TableGenBreakInsideDAGArg: DontBreak
 TabWidth:        8
 UseTab:          Never
 VerilogBreakBetweenInstancePorts: true

doc/sources/contribute.rst

@@ -26,7 +26,7 @@ Coding style
 We use clang-format to format source code consistently.  The
 clang-format configuration file .clang-format is located at the root
 directory.  Since clang-format produces slightly different results
-between versions, we currently use clang-format-18.
+between versions, we currently use clang-format-19.
 
 To detect any violation to the coding style, we recommend to setup git
 pre-commit hook to check coding style of the changes you introduced.

src/template.h

@@ -347,22 +347,18 @@ template <typename T, std::size_t N>
 [[nodiscard]] std::span<
   const uint8_t, N == std::dynamic_extent ? std::dynamic_extent : N * sizeof(T)>
 as_uint8_span(std::span<T, N> s) noexcept {
-  return std::span < const uint8_t,
+  return std::span<const uint8_t, N == std::dynamic_extent ? std::dynamic_extent
-         N == std::dynamic_extent
+                                                           : N * sizeof(T)>{
-           ? std::dynamic_extent
+    reinterpret_cast<const uint8_t *>(s.data()), s.size_bytes()};
-           : N * sizeof(T) >
-               {reinterpret_cast<const uint8_t *>(s.data()), s.size_bytes()};
 }
 
 template <typename T, std::size_t N>
 [[nodiscard]] std::span<uint8_t, N == std::dynamic_extent ? std::dynamic_extent
                                                           : N * sizeof(T)>
 as_writable_uint8_span(std::span<T, N> s) noexcept {
-  return std::span < uint8_t,
+  return std::span<uint8_t, N == std::dynamic_extent ? std::dynamic_extent
-         N == std::dynamic_extent
+                                                     : N * sizeof(T)>{
-           ? std::dynamic_extent
+    reinterpret_cast<uint8_t *>(s.data()), s.size_bytes()};
-           : N * sizeof(T) >
-               {reinterpret_cast<uint8_t *>(s.data()), s.size_bytes()};
 }
 
 template <typename R>