Re: [Xen-devel] [PATCH 3/3] xen/tools: script for automatically adjusting the coding style to xen style

[Don Slutz <dslutz@xxxxxxxxxxx>]

On 09/08/14 22:32, Mihai DonÈu wrote:
> This is a clang-format wrapper script that can be used to do the bulk of the
> coding style work on a foreign source file. It is not yet complete, but it's
> sufficient for 98% of the cases.
>
> Signed-off-by: Mihai DonÈu <mdontu@xxxxxxxxxxxxxxx>
> ---
>   xen/tools/xen-indent | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++++
>   1 file changed, 77 insertions(+)
>   create mode 100755 xen/tools/xen-indent
>
> diff --git a/xen/tools/xen-indent b/xen/tools/xen-indent
> new file mode 100755
> index 0000000..6be507c
> --- /dev/null
> +++ b/xen/tools/xen-indent
> @@ -0,0 +1,77 @@
> +#!/bin/sh
> +
> +CLANG_FORMAT=`which clang-format 2>/dev/null`
> +
> +if [ "x$CLANG_FORMAT" = "x" ]; then
> +       printf "Error: \`clang-format' is not installed. It is usually part of clang (3.4 
> and newer)\n" >&2
> +       exit 1
> +fi
> +
> +if [ "x$1" = "x" ]; then
> +       printf "Usage: $0 <file[s]>\n"
> +       exit 2
> +fi
> +
> +for i in $@; do
> +       DN=`dirname "$i"`
> +       cat >"$DN/.clang-format" <<EOF
> +---
> +AccessModifierOffset:                           -8
> +IndentWidth:                                    4
> +TabWidth:                                       4
> +ConstructorInitializerIndentWidth:              4
> +AlignEscapedNewlinesLeft:                       true
> +AlignTrailingComments:                          true
> +AllowAllParametersOfDeclarationOnNextLine:      true
> +AllowShortIfStatementsOnASingleLine:            false
> +AllowShortLoopsOnASingleLine:                   false
> +AllowShortFunctionsOnASingleLine:               false
> +AlwaysBreakTemplateDeclarations:                false
> +AlwaysBreakBeforeMultilineStrings:              false
> +BreakBeforeBinaryOperators:                     false
> +BreakBeforeTernaryOperators:                    true
> +BreakConstructorInitializersBeforeComma:        false
> +BinPackParameters:                              true
> +ColumnLimit:                                    80
> +ConstructorInitializerAllOnOneLineOrOnePerLine: false
> +DerivePointerBinding:                           false
> +ExperimentalAutoDetectBinPacking:               false
> +IndentCaseLabels:                               false
> +MaxEmptyLinesToKeep:                            1
> +NamespaceIndentation:                           All
> +ObjCSpaceBeforeProtocolList:                    true
> +PenaltyBreakBeforeFirstCallParameter:           19
> +PenaltyBreakComment:                            60
> +PenaltyBreakString:                             1000
> +PenaltyBreakFirstLessLess:                      120
> +PenaltyExcessCharacter:                         1000000
> +PenaltyReturnTypeOnItsOwnLine:                  60
> +PointerBindsToType:                             false
> +SpacesBeforeTrailingComments:                   1
> +Cpp11BracedListStyle:                           false
> +Standard:                                       Cpp11
> +UseTab:                                         Never
> +BreakBeforeBraces:                              Allman
> +IndentFunctionDeclarationAfterType:             false
> +SpaceBeforeParens:                              ControlStatements
> +SpacesInParentheses:                            false
> +SpacesInAngles:                                 false
> +SpaceInEmptyParentheses:                        false
> +SpacesInCStyleCastParentheses:                  false
> +SpaceAfterControlStatementKeyword:              true
> +SpaceBeforeAssignmentOperators:                 true
> +ContinuationIndentWidth:                        4
> +EOF
> +       ERR=0
> +       $CLANG_FORMAT "$i" >"${i}.clang-tmp" || ERR=1
> +       rm -f "$DN/.clang-format"
> +       if [ $ERR -ne 0 ]; then
> +               rm -f "${i}.clang-tmp"
> +               exit 3
> +       fi
> +       sed 's#if\s*(\(.*\))#if ( \1 )#m' "${i}.clang-tmp" >"${i}.clang-tmp.1"
> +       sed 's#switch\s*(\(.*\))#switch ( \1 )#m' "${i}.clang-tmp.1" 
> >"${i}.clang-tmp.2"
> +       sed 's#while\s*(\(.*\))#while ( \1 )#m' "${i}.clang-tmp.2" 
> >"${i}.clang-tmp.3"
This is missing "for".  And last I knew sed does not handle multiple lines.

And what about the "do {" exception?

    -Don Slutz

> +       mv -f "${i}.clang-tmp.3" "${i}"
> +       rm -f "${i}.clang-tmp" "${i}.clang-tmp.1" "${i}.clang-tmp.2"
> +done

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