.clang-format

# SPDX-License-Identifier: BSD-3-Clause
# Copyright (c) 2021 ETH Zurich

# tabs and spaces
BasedOnStyle: LLVM
IndentWidth: 4
TabWidth: 4
UseTab: AlignWithSpaces
ContinuationIndentWidth: 8
ColumnLimit: 80

# align
AlignOperands: true
AlignAfterOpenBracket: DontAlign  # uses ContinuationIndentWidth
AlignConsecutiveAssignments: false
AlignConsecutiveMacros: true
AlignEscapedNewlines: Left
AlignTrailingComments : true
PointerAlignment: Right

# allow
AllowAllArgumentsOnNextLine: false

# allow short ... on a single line
AllowShortBlocksOnASingleLine: Empty
AllowShortCaseLabelsOnASingleLine: false
# AllowShortEnumsOnASingleLine: false  # seems to break AfterEnum
AllowShortFunctionsOnASingleLine: None
AllowShortIfStatementsOnASingleLine: Never
AllowShortLambdasOnASingleLine: All
AllowShortLoopsOnASingleLine: true

# line breaks
AlwaysBreakAfterReturnType: TopLevel
BreakBeforeBraces: Custom
BraceWrapping:
  AfterCaseLabel: false
  AfterControlStatement: false
  AfterEnum: false
  AfterFunction: true
  AfterNamespace: false
  AfterUnion: false
  BeforeCatch: false
  BeforeElse: false
  IndentBraces: false
  SplitEmptyFunction: false
  SplitEmptyRecord: false
BreakBeforeBinaryOperators: None
BreakBeforeTernaryOperators: true

# indent
IndentCaseLabels: false
IndentPPDirectives: None

# empty lines
KeepEmptyLinesAtTheStartOfBlocks: true
MaxEmptyLinesToKeep: 2

# spaces
SpaceAfterCStyleCast: false
SpaceAfterLogicalNot: false
SpaceBeforeAssignmentOperators: true
SpaceBeforeCaseColon: false
SpaceBeforeCpp11BracedList: false
SpaceBeforeParens: ControlStatementsExceptControlMacros
SpaceInEmptyParentheses: false
SpacesBeforeTrailingComments: 1
SpacesInAngles: false
SpacesInCStyleCastParentheses: false
SpacesInConditionalStatement: false
SpacesInContainerLiterals: false
SpacesInParentheses: false
SpacesInSquareBrackets: false
BitFieldColonSpacing: After

# sort includes (block-wise)
SortIncludes: CaseInsensitive

# avoid ContinuationIndentWidth for nested struct/union initialization
Cpp11BracedListStyle: false

# macros
ForEachMacros: [
	'RTE_ETH_FOREACH_DEV',
	'RTE_LCORE_FOREACH',
	'RTE_LCORE_FOREACH_WORKER'
]