Usage:
------
astyle [OPTIONS] File1 File2 File3 [...]
astyle [OPTIONS] < Original > Beautified
When indenting a specific file, the resulting indented file RETAINS
the original file-name. The original pre-indented file is renamed,
with a suffix of '.orig' added to the original filename.
Wildcards (* and ?) may be used in the filename.
A 'recursive' option can process directories recursively.
Multiple file extensions may be separated by a comma.
By default, astyle is set up to indent with four spaces per indent,
a maximal indentation of 40 spaces inside continuous statements,
a minimum indentation of eight spaces inside conditional statements,
and NO formatting options.
Options:
--------
This program follows the usual GNU command line syntax.
Long options (starting with '--') must be written one at a time.
Short options (starting with '-') may be appended together.
Thus, -bps4 is the same as -b -p -s4.
Option Files:
-------------
Artistic Style looks for a default option file and/or a project
option file in the following order:
1. The command line options have precedence.
2. The project option file has precedence over the default file
o the file name indicated by the --project= command line option.
o the file named .astylerc or _ astylerc.
o the file name identified by ARTISTIC_STYLE_PROJECT_OPTIONS.
o the file is disabled by --project=none on the command line.
3. The default option file that can be used for all projects.
o the file path indicated by the --options= command line option.
o the file path indicated by ARTISTIC_STYLE_OPTIONS.
o the file named .astylerc in the HOME directory (for Linux).
o the file name astylerc in the APPDATA directory (for Windows).
o the file is disabled by --project=none on the command line.
Long options within the option files may be written without '--'.
Line-end comments begin with a '#'.
Disable Formatting:
-------------------
Disable Block
Blocks of code can be disabled with the comment tags *INDENT-OFF*
and *INDENT-ON*. It must be contained in a one-line comment.
Disable Line
Padding of operators can be disabled on a single line using the
comment tag *NOPAD*. It must be contained in a line-end comment.
Brace Style Options:
--------------------
default brace style
If no brace style is requested, the opening braces will not be
changed and closing braces will be broken from the preceding line.
--style=allman OR --style=bsd OR --style=break OR -A1
Allman style formatting/indenting.
Broken braces.
--style=java OR --style=attach OR -A2
Java style formatting/indenting.
Attached braces.
--style=kr OR --style=k&r OR --style=k/r OR -A3
Kernighan & Ritchie style formatting/indenting.
Linux braces.
--style=stroustrup OR -A4
Stroustrup style formatting/indenting.
Linux braces.
--style=whitesmith OR -A5
Whitesmith style formatting/indenting.
Broken, indented braces.
Indented class blocks and switch blocks.
--style=vtk OR -A15
VTK style formatting/indenting.
Broken, indented braces except for the opening braces.
--style=ratliff OR --style=banner OR -A6
Ratliff style formatting/indenting.
Attached, indented braces.
--style=gnu OR -A7
GNU style formatting/indenting.
Broken braces, indented blocks.
--style=linux OR --style=knf OR -A8
Linux style formatting/indenting.
Linux braces, minimum conditional indent is one-half indent.
--style=horstmann OR --style=run-in OR -A9
Horstmann style formatting/indenting.
Run-in braces, indented switches.
--style=1tbs OR --style=otbs OR -A10
One True Brace Style formatting/indenting.
Linux braces, add braces to all conditionals.
--style=google OR -A14
Google style formatting/indenting.
Attached braces, indented class modifiers.
--style=mozilla OR -A16
Mozilla style formatting/indenting.
Linux braces, with broken braces for structs and enums,
and attached braces for namespaces.
--style=pico OR -A11
Pico style formatting/indenting.
Run-in opening braces and attached closing braces.
Uses keep one line blocks and keep one line statements.
--style=lisp OR -A12
Lisp style formatting/indenting.
Attached opening braces and attached closing braces.
Uses keep one line statements.
Tab Options:
------------
default indent option
If no indentation option is set, the default
option of 4 spaces per indent will be used.
--indent=spaces=# OR -s#
Indent using # spaces per indent. Not specifying #
will result in a default of 4 spaces per indent.
--indent=tab OR --indent=tab=# OR -t OR -t#
Indent using tab characters, assuming that each
indent is # spaces long. Not specifying # will result
in a default assumption of 4 spaces per indent.
--indent=force-tab=# OR -T#
Indent using tab characters, assuming that each
indent is # spaces long. Force tabs to be used in areas
AStyle would prefer to use spaces.
--indent=force-tab-x=# OR -xT#
Allows the tab length to be set to a length that is different
from the indent length. This may cause the indentation to be
a mix of both spaces and tabs. This option sets the tab length.
Brace Modify Options:
---------------------
--attach-namespaces OR -xn
Attach braces to a namespace statement.
--attach-classes OR -xc
Attach braces to a class statement.
--attach-inlines OR -xl
Attach braces to class inline function definitions.
--attach-extern-c OR -xk
Attach braces to an extern "C" statement.
--attach-closing-while OR -xV
Attach closing while of do-while to the closing brace.
Indentation Options:
--------------------
--indent-classes OR -C
Indent 'class' blocks so that the entire block is indented.
--indent-modifiers OR -xG
Indent 'class' access modifiers, 'public:', 'protected:' or
'private:', one half indent. The rest of the class is not
indented.
--indent-switches OR -S
Indent 'switch' blocks, so that the inner 'case XXX:'
headers are indented in relation to the switch block.
--indent-cases OR -K
Indent case blocks from the 'case XXX:' headers.
Case statements not enclosed in blocks are NOT indented.
--indent-namespaces OR -N
Indent the contents of namespace blocks.
--indent-after-parens OR -xU
Indent, instead of align, continuation lines following lines
that contain an opening paren '(' or an assignment '='.
--indent-continuation=# OR -xt#
Indent continuation lines an additional # indents.
The valid values are 0 thru 4 indents.
The default value is 1 indent.
--indent-labels OR -L
Indent labels so that they appear one indent less than
the current indentation level, rather than being
flushed completely to the left (which is the default).
--indent-preproc-block OR -xW
Indent preprocessor blocks at brace level 0.
Without this option the preprocessor block is not indented.
--indent-preproc-cond OR -xw
Indent preprocessor conditional statements #if/#else/#endif
to the same level as the source code.
--indent-preproc-define OR -w
Indent multi-line preprocessor #define statements.
--indent-col1-comments OR -Y
Indent line comments that start in column one.
--min-conditional-indent=# OR -m#
Indent a minimal # spaces in a continuous conditional
belonging to a conditional header.
The valid values are:
0 - no minimal indent.
1 - indent at least one additional indent.
2 - indent at least two additional indents.
3 - indent at least one-half an additional indent.
The default value is 2, two additional indents.
--max-continuation-indent=# OR -M#
Indent a maximal # spaces in a continuation line,
relative to the previous line.
The valid values are 40 thru 120.
The default value is 40.
Padding Options:
----------------
--break-blocks OR -f
Insert empty lines around unrelated blocks, labels, classes, ...
--break-blocks=all OR -F
Like --break-blocks, except also insert empty lines
around closing headers (e.g. 'else', 'catch', ...).
--pad-oper OR -p
Insert space padding around operators.
--pad-comma OR -xg
Insert space padding after commas.
--pad-paren OR -P
Insert space padding around parenthesis on both the outside
and the inside.
--pad-paren-out OR -d
Insert space padding around parenthesis on the outside only.
--pad-first-paren-out OR -xd
Insert space padding around first parenthesis in a series on
the outside only.
--pad-paren-in OR -D
Insert space padding around parenthesis on the inside only.
--pad-header OR -H
Insert space padding after paren headers (e.g. 'if', 'for'...).
--unpad-paren OR -U
Remove unnecessary space padding around parenthesis. This
can be used in combination with the 'pad' options above.
--delete-empty-lines OR -xd
Delete empty lines within a function or method.
It will NOT delete lines added by the break-blocks options.
--fill-empty-lines OR -E
Fill empty lines with the white space of their
previous lines.
--align-pointer=type OR -k1
--align-pointer=middle OR -k2
--align-pointer=name OR -k3
Attach a pointer or reference operator (*, &, or ^) to either
the operator type (left), middle, or operator name (right).
To align the reference separately use --align-reference.
--align-reference=none OR -W0
--align-reference=type OR -W1
--align-reference=middle OR -W2
--align-reference=name OR -W3
Attach a reference operator (&) to either
the operator type (left), middle, or operator name (right).
If not set, follow pointer alignment.
Formatting Options:
-------------------
--break-closing-braces OR -y
Break braces before closing headers (e.g. 'else', 'catch', ...).
Use with --style=java, --style=kr, --style=stroustrup,
--style=linux, or --style=1tbs.
--break-elseifs OR -e
Break 'else if()' statements into two different lines.
--break-one-line-headers OR -xb
Break one line headers (e.g. 'if', 'while', 'else', ...) from a
statement residing on the same line.
--add-braces OR -j
Add braces to unbraced one line conditional statements.
--add-one-line-braces OR -J
Add one line braces to unbraced one line conditional
statements.
--remove-braces OR -xj
Remove braces from a braced one line conditional statements.
--break-return-type OR -xB
--break-return-type-decl OR -xD
Break the return type from the function name. Options are
for the function definitions and the function declarations.
--attach-return-type OR -xf
--attach-return-type-decl OR -xh
Attach the return type to the function name. Options are
for the function definitions and the function declarations.
--keep-one-line-blocks OR -O
Don't break blocks residing completely on one line.
--keep-one-line-statements OR -o
Don't break lines containing multiple statements into
multiple single-statement lines.
--convert-tabs OR -c
Convert tabs to the appropriate number of spaces.
--close-templates OR -xy
Close ending angle brackets on template definitions.
--remove-comment-prefix OR -xp
Remove the leading '*' prefix on multi-line comments and
indent the comment text one indent.
--max-code-length=# OR -xC#
--break-after-logical OR -xL
max-code-length=# will break the line if it exceeds more than
# characters. The valid values are 50 thru 200.
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