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cmake-annotate can generate pretty HTML from your listfiles
cmake-format can format your listfiles nicely so that they don't look like crap.
cmake-lint can check your listfiles for problems
ctest-to can parse a ctest output tree and translate it into a more structured format (either JSON or XML).

Installation

Install from pypi using pip::

pip install cmakelang

Or see the online documentation__ for additional options.

.. __: https://cmake-format.readthedocs.io/en/latest/installation.html

Integrations

There is an official vscode extension__
Someone also created a sublime plugin__
You can add cmake-format to your pre-commit configuration__

.. __: https://marketplace.visualstudio.com/items?itemName=cheshirekow.cmake-format .. __: https://packagecontrol.io/packages/CMakeFormat .. __: https://cmake-format.readthedocs.io/en/latest/installation.html#pre-commit

Usage

.. dynamic: format-usage-short-begin

.. code:: text

usage:
cmake-format [-h]
             [--dump-config {yaml,json,python} | -i | -o OUTFILE_PATH]
             [-c CONFIG_FILE]
             infilepath [infilepath ...]

Parse cmake listfiles and format them nicely.

Formatting is configurable by providing a configuration file. The configuration
file can be in json, yaml, or python format. If no configuration file is
specified on the command line, cmake-format will attempt to find a suitable
configuration for each ``inputpath`` by checking recursively checking it's
parent directory up to the root of the filesystem. It will return the first
file it finds with a filename that matches '\.?cmake-format(.yaml|.json|.py)'.

cmake-format can spit out the default configuration for you as starting point
for customization. Run with `--dump-config [yaml|json|python]`.

positional arguments:
  infilepaths

optional arguments:
  -h, --help            show this help message and exit
  -v, --version         show program's version number and exit
  -l {error,warning,info,debug}, --log-level {error,warning,info,debug}
  --dump-config [{yaml,json,python}]
                        If specified, print the default configuration to
                        stdout and exit
  --dump {lex,parse,parsedb,layout,markup}
  --no-help             When used with --dump-config, will omit helptext
                        comments in the output
  --no-default          When used with --dump-config, will omit any unmodified
                        configuration value.
  -i, --in-place
  --check               Exit with status code 0 if formatting would not change
                        file contents, or status code 1 if it would
  -o OUTFILE_PATH, --outfile-path OUTFILE_PATH
                        Where to write the formatted file. Default is stdout.
  -c CONFIG_FILES [CONFIG_FILES ...], --config-files CONFIG_FILES [CONFIG_FILES ...]
                        path to configuration file(s)

.. dynamic: format-usage-short-end

.. dynamic: lint-usage-short-begin

.. code:: text

usage:
cmake-lint [-h]
           [--dump-config {yaml,json,python} | -o OUTFILE_PATH]
           [-c CONFIG_FILE]
           infilepath [infilepath ...]

Check cmake listfile for lint

positional arguments:
  infilepaths

optional arguments:
  -h, --help            show this help message and exit
  -v, --version         show program's version number and exit
  -l {error,warning,info,debug}, --log-level {error,warning,info,debug}
  --dump-config [{yaml,json,python}]
                        If specified, print the default configuration to
                        stdout and exit
  -o OUTFILE_PATH, --outfile-path OUTFILE_PATH
                        Write errors to this file. Default is stdout.
  --no-help             When used with --dump-config, will omit helptext
                        comments in the output
  --no-default          When used with --dump-config, will omit any unmodified
                        configuration value.
  --suppress-decorations
                        Suppress the file title decoration and summary
                        statistics
  -c CONFIG_FILES [CONFIG_FILES ...], --config-files CONFIG_FILES [CONFIG_FILES ...]
                        path to configuration file(s)

.. dynamic: lint-usage-short-end

Configuration

cmake-format accepts configuration files in yaml, json, or python format. An example configuration file is given in the online documentation__. Providing the structure of your custom commands will help cmake-format to break them up in a pleasant way, and will help cmake-lint detect improper usages of them.

.. __: https://cmake-format.readthedocs.io/en/latest/configuration.html

An example short configuration file in python format is:

.. code:: python

# -----------------------------
# Options effecting formatting.
# -----------------------------
with section("format"):

  # How wide to allow formatted cmake files
  line_width = 80

  # How many spaces to tab for indent
  tab_size = 2

  # If true, separate flow control names from their parentheses with a space
  separate_ctrl_name_with_space = False

  # If true, separate function names from parentheses with a space
  separate_fn_name_with_space = False

  # If a statement is wrapped to more than one line, than dangle the closing
  # parenthesis on its own line.
  dangle_parens = False

You may specify a path to one or more configuration files with the --config-file command line option. Otherwise, cmake-format will search the ancestry of each infilepath looking for a configuration file to use. If no configuration file is found it will use sensible defaults.

A automatically detected configuration files may have any name that matches \.?cmake-format(.yaml|.json|.py).

If you'd like to create a new configuration file, cmake-format can help by dumping out the default configuration in your preferred format. You can run cmake-format --dump-config [yaml|json|python] to print the default configuration stdout and use that as a starting point.

.. dynamic: features-begin

Markup

cmake-format is for the exceptionally lazy. It will even format your comments for you. It will reflow your comment text to within the configured line width. It also understands a very limited markup format for a couple of common bits.

rulers: A ruler is a line which starts with and ends with three or more non-alphanum or space characters::

# ---- This is a Ruler ----
# cmake-format will know to keep the ruler separated from the
# paragraphs around it. So it wont try to reflow this text as
# a single paragraph.
# ---- This is also a Ruler ---

list: A list is started on the first encountered list item, which starts with a bullet character (*) followed by a space followed by some text. Subsequent lines will be included in the list item until the next list item is encountered (the bullet must be at the same indentation level). The list must be surrounded by a pair of empty lines. Nested lists will be formatted in nested text::

# here are some lists:
#
# * item 1
# * item 2
#
#   * subitem 1
#   * subitem 2
#
# * second list item 1
# * second list item 2

enumerations: An enumeration is similar to a list but the bullet character is some integers followed by a period. New enumeration items are detected as long as either the first digit or the punctuation lines up in the same column as the previous item. cmake-format will renumber your items and align their labels for you::

# This is an enumeration
#
#   1. item
#   2. item
#   3. item

fences: If you have any text which you do not want to be formatted you can guard it with a pair of fences. Fences are three or more tilde characters::

# ~~~
# This comment is fenced
#   and will not be formatted
# ~~~

Note that comment fences guard reflow of comment text, and not cmake code. If you wish to prevent formatting of cmake, code, see below. In addition to fenced-literals, there are three other ways to preserve comment text from markup and/or reflow processing:

The --first-comment-is-literal configuration option will exactly preserve the first comment in the file. This is intended to preserve copyright or other formatted header comments.
The --literal-comment-pattern configuration option allows for a more generic way to identify comments which should be preserved literally. This configuration takes a regular expression pattern.
The --enable-markup configuration option globally enables comment markup processing. It defaults to true so set it to false if you wish to globally disable comment markup processing. Note that trailing whitespace is still chomped from comments.

Disable Formatting Locally

You can locally disable and enable code formatting by using the special comments # cmake-format: off and # cmake-format: on.

Sort Argument Lists

Starting with version 0.5.0, cmake-format can sort your argument lists for you. If the configuration includes autosort=True (the default), it will replace::

add_library(foobar STATIC EXCLUDE_FROM_ALL
            sourcefile_06.cc
            sourcefile_03.cc
            sourcefile_02.cc
            sourcefile_04.cc
            sourcefile_07.cc
            sourcefile_01.cc
            sourcefile_05.cc)

with::

add_library(foobar STATIC EXCLUDE_FROM_ALL
            sourcefile_01.cc
            sourcefile_02.cc
            sourcefile_03.cc
            sourcefile_04.cc
            sourcefile_05.cc
            sourcefile_06.cc
            sourcefile_07.cc)

This is implemented for any argument lists which the parser knows are inherently sortable. This includes the following cmake commands:

add_library
add_executable

For most other cmake commands, you can use an annotation comment to hint to cmake-format that the argument list is sortable. For instance::

set(SOURCES
    # cmake-format: sortable
    bar.cc
    baz.cc
    foo.cc)

Annotations can be given in a line-comment or a bracket comment. There is a long-form and a short-form for each. The acceptable formats are:

In order to annotate a positional argument list as sortable, the acceptable tags are: sortable or sort. For the commands listed above where the positinal argument lists are inherently sortable, you can locally disable sorting by annotating them with unsortable or unsort. For example::

add_library(foobar STATIC
            # cmake-format: unsort
            sourcefile_03.cc
            sourcefile_01.cc
            sourcefile_02.cc)

Note that this is only needed if your configuration has enabled autosort, and you can globally disable sorting by making setting this configuration to False.

Custom Commands

Due to the fact that cmake is a macro language, cmake-format is, by necessity, a semantic source code formatter. In general it tries to make smart formatting decisions based on the meaning of arguments in an otherwise unstructured list of arguments in a cmake statement. cmake-format can intelligently format your custom commands, but you will need to tell it how to interpret your arguments.

Currently, you can do this by adding your command specifications to the additional_commands configuration variables, e.g.:

.. code::

# Additional FLAGS and KWARGS for custom commands
additional_commands = {
  "foo": {
    "pargs": 2,
    "flags": ["BAR", "BAZ"],
    "kwargs": {
      "HEADERS": '*',
      "SOURCES": '*',
      "DEPENDS": '*',
    }
  }
}

The format is a nested dictionary mapping statement names (dictionary keys) to argument specifications__. For the example specification above, the custom command would look something like this:

.. code::

foo(hello world HEADERS a.h b.h c.h d.h SOURCES a.cc b.cc c.cc d.cc DEPENDS flub buzz bizz BAR BAZ)

.. __: https://cmake-format.rtfd.io/en/latest/custom_parsers.html .. dynamic: features-end

Reporting Issues and Getting Help

If you encounter any bugs or regressions or if cmake-format doesn't behave in the way that you expect, please post an issue on the github issue tracker_. It is especially helpful if you can provide cmake listfile snippets that demonstrate any issues you encounter.

.. _github issue tracker: https://github.com/cheshirekow/cmakelang/issues

You can also join the #cmake-format channel on our discord server_.

.. _discord server: https://discord.gg/NgjwyPy

Developers

If you want to hack on cmake-format, please see the documentation__ for contribution rules and guidelines.

.. __: https://cmake-format.rtfd.io/en/latest/contributing.html

Example

Will turn this:

.. dynamic: example-in-begin

.. code:: cmake

# The following multiple newlines should be collapsed into a single newline




cmake_minimum_required(VERSION 2.8.11)
project(cmakelang_test)

# This multiline-comment should be reflowed
# into a single comment
# on one line

# This comment should remain right before the command call.
# Furthermore, the command call should be formatted
# to a single line.
add_subdirectories(foo bar baz
  foo2 bar2 baz2)

# This very long command should be wrapped
set(HEADERS very_long_header_name_a.h very_long_header_name_b.h very_long_header_name_c.h)

# This command should be split into one line per entry because it has a long argument list.
set(SOURCES source_a.cc source_b.cc source_d.cc source_e.cc source_f.cc source_g.cc source_h.cc)

# The string in this command should not be split
set_target_properties(foo bar baz PROPERTIES COMPILE_FLAGS "-std=c++11 -Wall -Wextra")

# This command has a very long argument and can't be aligned with the command
# end, so it should be moved to a new line with block indent + 1.
some_long_command_name("Some very long argument that really needs to be on the next line.")

# This situation is similar but the argument to a KWARG needs to be on a
# newline instead.
set(CMAKE_CXX_FLAGS "-std=c++11 -Wall -Wno-sign-compare -Wno-unused-parameter -xx")

set(HEADERS header_a.h header_b.h # This comment should
                                  # be preserved, moreover it should be split
                                  # across two lines.
    header_c.h header_d.h)


# This part of the comment should
# be formatted
# but...
# cmake-format: off
# This bunny should remain untouched:
# . 　 ＿　∩
# 　　ﾚﾍヽ| |
# 　　　 (・ｘ・)
# 　　 c( uu}
# cmake-format: on
#          while this part should
#          be formatted again

# This is a paragraph
#
# This is a second paragraph
#
# This is a third paragraph

# This is a comment
# that should be joined but
# TODO(josh): This todo should not be joined with the previous line.
# NOTE(josh): Also this should not be joined with the todo.

if(foo)
if(sbar)
# This comment is in-scope.
add_library(foo_bar_baz foo.cc bar.cc # this is a comment for arg2
                                      # this is more comment for arg2, it should be joined with the first.
    baz.cc) # This comment is part of add_library

other_command(some_long_argument some_long_argument) # this comment is very long and gets split across some lines

other_command(some_long_argument some_long_argument some_long_argument) # this comment is even longer and wouldn't make sense to pack at the end of the command so it gets it's own lines
endif()
endif()


# This very long command should be broken up along keyword arguments
foo(nonkwarg_a nonkwarg_b HEADERS a.h b.h c.h d.h e.h f.h SOURCES a.cc b.cc d.cc DEPENDS foo bar baz)

# This command uses a string with escaped quote chars
foo(some_arg some_arg "This is a \"string\" within a string")

# This command uses an empty string
foo(some_arg some_arg "")

# This command uses a multiline string
foo(some_arg some_arg "
    This string is on multiple lines
")

# No, I really want this to look ugly
# cmake-format: off
add_library(a b.cc
  c.cc         d.cc
           e.cc)
# cmake-format: on

.. dynamic: example-in-end

into this:

.. dynamic: example-out-begin

.. code:: cmake

# The following multiple newlines should be collapsed into a single newline

cmake_minimum_required(VERSION 2.8.11)
project(cmakelang_test)

# This multiline-comment should be reflowed into a single comment on one line

# This comment should remain right before the command call. Furthermore, the
# command call should be formatted to a single line.
add_subdirectories(foo bar baz foo2 bar2 baz2)

# This very long command should be wrapped
set(HEADERS very_long_header_name_a.h very_long_header_name_b.h
            very_long_header_name_c.h)

# This command should be split into one line per entry because it has a long
# argument list.
set(SOURCES
    source_a.cc
    source_b.cc
    source_d.cc
    source_e.cc
    source_f.cc
    source_g.cc
    source_h.cc)

# The string in this command should not be split
set_target_properties(foo bar baz PROPERTIES COMPILE_FLAGS
                                             "-std=c++11 -Wall -Wextra")

# This command has a very long argument and can't be aligned with the command
# end, so it should be moved to a new line with block indent + 1.
some_long_command_name(
  "Some very long argument that really needs to be on the next line.")

# This situation is similar but the argument to a KWARG needs to be on a newline
# instead.
set(CMAKE_CXX_FLAGS
    "-std=c++11 -Wall -Wno-sign-compare -Wno-unused-parameter -xx")

set(HEADERS
    header_a.h header_b.h # This comment should be preserved, moreover it should
                          # be split across two lines.
    header_c.h header_d.h)

# This part of the comment should be formatted but...
# cmake-format: off
# This bunny should remain untouched:
# . 　 ＿　∩
# 　　ﾚﾍヽ| |
# 　　　 (・ｘ・)
# 　　 c( uu}
# cmake-format: on
# while this part should be formatted again

# This is a paragraph
#
# This is a second paragraph
#
# This is a third paragraph

# This is a comment that should be joined but
# TODO(josh): This todo should not be joined with the previous line.
# NOTE(josh): Also this should not be joined with the todo.

if(foo)
  if(sbar)
    # This comment is in-scope.
    add_library(
      foo_bar_baz
      foo.cc bar.cc # this is a comment for arg2 this is more comment for arg2,
                    # it should be joined with the first.
      baz.cc) # This comment is part of add_library

    other_command(
      some_long_argument some_long_argument) # this comment is very long and
                                             # gets split across some lines

    other_command(
      some_long_argument some_long_argument some_long_argument) # this comment
                                                                # is even longer
                                                                # and wouldn't
                                                                # make sense to
                                                                # pack at the
                                                                # end of the
                                                                # command so it
                                                                # gets it's own
                                                                # lines
  endif()
endif()

# This very long command should be broken up along keyword arguments
foo(nonkwarg_a nonkwarg_b
    HEADERS a.h b.h c.h d.h e.h f.h
    SOURCES a.cc b.cc d.cc
    DEPENDS foo
    bar baz)

# This command uses a string with escaped quote chars
foo(some_arg some_arg "This is a \"string\" within a string")

# This command uses an empty string
foo(some_arg some_arg "")

# This command uses a multiline string
foo(some_arg some_arg "
    This string is on multiple lines
")

# No, I really want this to look ugly
# cmake-format: off
add_library(a b.cc
  c.cc         d.cc
           e.cc)
# cmake-format: on

.. dynamic: example-out-end

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