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README
Filetype Support for Crystal
This is filetype support for Crystal programming language.
crystal
filetype detection- Syntax highlight
- Indentation
- vim-matchit support
crystal tool
integration (implementations, context, formatter, and so on)crystal spec
integration- Syntax check (Using Syntastic)
- Completion (currently for variable names)
Installation
Please copy autoload
, ftdetect
, ftplugin
, indent
, plugin
and syntax
directories into your ~/.vim
(or ~/vimfiles
in Windows) directory.
$ cp -R autoload ftdetect ftplugin indent plugin syntax ~/.vim/
$ # If you use vim-syntastic
$ cp -R syntax_checkers ~/.vim/
If you use Vim8, :packadd
is available to install. Please see :help packages
for more detail.
Otherwise, please use your favorite plugin manager like vim-plug.
Syntax Highlight
This plugin was firstly imported from Ruby's filetype plugin. There are many differences between Ruby and Crystal but vim-crystal can't support all of them yet. In addition, Crystal is growing rapidly and being added many changes. If you've found some issues or points to improve, pull requests and issues are welcome.
Spec Integration
Running spec(s) and show the result in Vim. The output is colorful if possible as executed in CLI.
:CrystalSpecSwitch
(mapping to gss
)
It switches current source file and its spec file. This command assumes the standard directory layout which crystal init
generates.
If you don't set g:crystal_define_mappings
to 0, you can use this feature with mapping gss
.
:CrystalSpecRunAll
(mapping to gsa
)
It runs the all specs for current file's project.
If you don't set g:crystal_define_mappings
to 0, you can use this feature with mapping gsa
.
:CrystalSpecRunCurrent
(mapping to gsc
)
It runs spec for current buffer.
- When current buffer is a spec source,
:CrystalSpecRunCurrent
runs the spec under the cursor. You should execute this command after moving cursor toit ... do
line ordescribe ... do
line. - When current buffer is not a spec source,
:CrystalSpecRunCurrent
finds corresponding spec source and runs all specs in the source.
If you don't set g:crystal_define_mappings
to 0, you can use this feature with mapping gsc
.
Formatter Integration
You can run formatter manually by :CrystalFormat
or automatically at saving buffer.
When you set g:crystal_auto_format
to 1
, current buffer is automatically formatted on BufWritePre
. The variable is set to 0
by default because crystal tool format
currently seems buggy.
Tool Integration
:CrystalDef
(mapping to gd
)
It makes cursor jump to the definition of name under the cursor. This command uses crystal tool implementations
.
If you don't set g:crystal_define_mappings
to 0, you can use this feature with mapping gd
.
:CrystalContext
(mapping to gc
)
It shows the context under the cursor. Context includes variable names and their types.
If you don't set g:crystal_define_mappings
to 0, you can use this feature with mapping gc
.
:CrystalHierarchy
It shows types hierarchy of current code.
:CrystalImpl
It shows how the identifier under the cursor is implemented. For example, when the cursor is on some
property of an object instance, :CrystalImpl
would report where the property is defined with
property
macro.
:CrystalExpand
It expands macro invocation under the cursor.
Completion
Omni completion for crystal can be used by <C-x><C-o>
. (Please see :help ins-completion
)
Currently you can complete variable names.
License
This plugin is distributed under the MIT License.
Copyright (c) 2014 rhysd
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*Note that all licence references and agreements mentioned in the vim-crystal README section above
are relevant to that project's source code only.