.clang-format

# SPDX-License-Identifier: GPL-2.0
# clang-format configuration file. Intended for clang-format >= 11.
#
# For more information, see:
#
#   Documentation/process/clang-format.rst
#   https://clang.llvm.org/docs/ClangFormat.html
#   https://clang.llvm.org/docs/ClangFormatStyleOptions.html
#
---
AlignAfterOpenBracket: Align
AlignConsecutiveAssignments: false
AlignConsecutiveDeclarations: false
# FRR: Right
AlignEscapedNewlines: Right
AlignOperands: Align
# FRR: true
AlignTrailingComments: true
# FRR: true
AlignConsecutiveMacros: true
AllowAllParametersOfDeclarationOnNextLine: false
AllowShortBlocksOnASingleLine: false
AllowShortCaseLabelsOnASingleLine: false
AllowShortFunctionsOnASingleLine: None
AllowShortIfStatementsOnASingleLine: false
AllowShortLoopsOnASingleLine: false
AlwaysBreakAfterDefinitionReturnType: None
AlwaysBreakAfterReturnType: None
AlwaysBreakBeforeMultilineStrings: false
AlwaysBreakTemplateDeclarations: false
BinPackArguments: true
BinPackParameters: true
BraceWrapping:
  AfterClass: false
  AfterControlStatement: false
  AfterEnum: false
  AfterFunction: true
  AfterNamespace: true
  AfterObjCDeclaration: false
  AfterStruct: false
  AfterUnion: false
  AfterExternBlock: false
  BeforeCatch: false
  BeforeElse: false
  IndentBraces: false
  SplitEmptyFunction: true
  SplitEmptyRecord: true
  SplitEmptyNamespace: true
BreakBeforeBinaryOperators: false
BreakBeforeBraces: Custom
BreakBeforeInheritanceComma: false
BreakBeforeTernaryOperators: true
BreakConstructorInitializersBeforeComma: false
BreakConstructorInitializers: BeforeComma
BreakAfterJavaFieldAnnotations: false
BreakStringLiterals: false
ColumnLimit: 80
# Linux: CommentPragmas: '^ IWYU pragma:'
CommentPragmas: '\$(FRR|clippy)'
CompactNamespaces: false
ConstructorInitializerAllOnOneLineOrOnePerLine: false
ConstructorInitializerIndentWidth: 8
ContinuationIndentWidth: 8
Cpp11BracedListStyle: false
DerivePointerAlignment: false
DisableFormat: false
ExperimentalAutoDetectBinPacking: false
FixNamespaceComments: false
# Some taken from:
#   git grep -h '^#define [^[:space:]]*frr_(each|with)[^[:space:]]*(' ./ \
#   | sed "s,^#define \([^[:space:]]*frr_(each|with)[^[:space:]]*\)(.*$,  - '\1'," \
#   | LC_ALL=C sort -u
# and
#   git grep -h '^#define [^[:space:]]*FOREACH[^[:space:]]*(' ./
#   | sed "s,^#define \([^[:space:]]*FOREACH[^)]*\)(.*,  - '\1',"
#   | LC_ALL=C sort -u
ForEachMacros:
  # lib: outliers:
  - 'FOR_ALL_INTERFACES'
  # libyang outliers:
  - 'LY_FOR_KEYS'
  - 'LY_LIST_FOR'
  - 'LY_TREE_FOR'
  - 'LY_TREE_DFS_BEGIN'
  - 'LYD_TREE_DFS_BEGIN'
  # ospfd outliers:
  - 'LSDB_LOOP'
  # first git grep
  - 'darr_foreach_p'
  - 'darr_foreach_i'
  - 'frr_each'
  - 'frr_each_safe'
  - 'frr_each_from'
  - 'frr_rev_each'
  - 'frr_rev_each_safe'
  - 'frr_rev_each_from'
  - 'frr_with_mutex'
  - 'frr_with_privs'
  # second git grep
  - 'AF_FOREACH'
  - 'FOREACH_ADAPTER_IN_LIST'
  - 'FOREACH_AFI_SAFI'
  - 'FOREACH_AFI_SAFI_NSF'
  - 'FOREACH_BE_APPLY_BATCH_IN_LIST'
  - 'FOREACH_BE_CLIENT_BITS'
  - 'FOREACH_BE_TXN_BATCH_IN_LIST'
  - 'FOREACH_BE_TXN_IN_LIST'
  - 'FOREACH_CMT_REC'
  - 'FOREACH_MGMTD_BE_CLIENT_ID'
  - 'FOREACH_MGMTD_DS_ID'
  - 'FOREACH_SAFI'
  - 'FOREACH_SESSION_IN_LIST'
  - 'FOREACH_TXN_CFG_BATCH_IN_LIST'
  - 'FOREACH_TXN_IN_LIST'
  - 'FOREACH_TXN_REQ_IN_LIST'
  - 'JSON_FOREACH'
  - 'LIST_FOREACH'
  - 'LIST_FOREACH_SAFE'
  - 'RB_FOREACH'
  - 'RB_FOREACH_REVERSE'
  - 'RB_FOREACH_REVERSE_SAFE'
  - 'RB_FOREACH_SAFE'
  - 'RE_DEST_FOREACH_ROUTE'
  - 'RE_DEST_FOREACH_ROUTE_SAFE'
  - 'RNODE_FOREACH_RE'
  - 'RNODE_FOREACH_RE_SAFE'
  - 'SIMPLEQ_FOREACH'
  - 'SIMPLEQ_FOREACH_SAFE'
  - 'SLIST_FOREACH'
  - 'SLIST_FOREACH_PREVPTR'
  - 'SLIST_FOREACH_SAFE'
  - 'SPLAY_FOREACH'
  - 'STAILQ_FOREACH'
  - 'STAILQ_FOREACH_SAFE'
  - 'SUBGRP_FOREACH_ADJ'
  - 'SUBGRP_FOREACH_ADJ_SAFE'
  - 'SUBGRP_FOREACH_PEER'
  - 'SUBGRP_FOREACH_PEER_SAFE'
  - 'TAILQ_FOREACH'
  - 'TAILQ_FOREACH_REVERSE'
  - 'TAILQ_FOREACH_REVERSE_SAFE'
  - 'TAILQ_FOREACH_SAFE'
  - 'UPDGRP_FOREACH_SUBGRP'
  - 'UPDGRP_FOREACH_SUBGRP_SAFE'
  - 'XSIMPLEQ_FOREACH'
  - 'XSIMPLEQ_FOREACH_SAFE'
IncludeBlocks: Preserve
IncludeCategories:
  - Regex:           '^(<|lib)'
    Priority:        0
## New: XXX whats it mean?
IncludeIsMainRegex: '(Test)?$'
IndentCaseLabels: false
IndentGotoLabels: false
IndentPPDirectives: None
IndentWidth: 8
IndentWrappedFunctionNames: false
JavaScriptQuotes: Leave
JavaScriptWrapImports: true
KeepEmptyLinesAtTheStartOfBlocks: false
MacroBlockBegin: ''
MacroBlockEnd: ''
## Linux: MaxEmptyLinesToKeep: 1
MaxEmptyLinesToKeep: 2
NamespaceIndentation: None
ObjCBinPackProtocolList: Auto
ObjCBlockIndentWidth: 8
ObjCSpaceAfterProperty: true
ObjCSpaceBeforeProtocolList: true

## Lowest Penalty Value wins. Values are used by clang-format to influence
## the brak decisions, it's a bit of voodoo magic though.
## Originally from linux which was "Taken from git's rules"
PenaltyBreakAssignment: 30
PenaltyBreakComment: 10
PenaltyBreakFirstLessLess: 0
# Don't break a string into multi-string-fragments
PenaltyBreakString: 1000
# Allow going past the ColumnLimit to keep function arguments aligned
# with the open parenthesis.
PenaltyBreakBeforeFirstCallParameter: 1000
# Try and stay under ColumnLimit, but not at the cost of incomprehensible code.
PenaltyExcessCharacter: 30
PenaltyReturnTypeOnItsOwnLine: 60

PointerAlignment: Right
ReflowComments: false
SortIncludes: false
SortUsingDeclarations: false
SpaceAfterCStyleCast: false
SpaceAfterTemplateKeyword: true
SpaceBeforeAssignmentOperators: true
SpaceBeforeCtorInitializerColon: true
SpaceBeforeInheritanceColon: true
SpaceBeforeParens: ControlStatements
SpaceBeforeRangeBasedForLoopColon: true
SpaceInEmptyParentheses: false
SpacesBeforeTrailingComments: 1
SpacesInAngles: false
SpacesInContainerLiterals: false
SpacesInCStyleCastParentheses: false
SpacesInParentheses: false
SpacesInSquareBrackets: false
Standard: Cpp03
TabWidth: 8
UseTab: Always
...