kakoune/rc/filetype/makefile.kak
Johannes Altmanninger 6f28178b91 rc filetype: add trim-indent hooks to all languages that have indent hooks
An indent hook automatically adds whitespace, so it seems prudent to
add the hook to remove unwanted whitespace again. This is what we do
in most languages already.
2022-05-29 08:23:33 +02:00

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# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufCreate .*(/?[mM]akefile|\.mk|\.make) %{
set-option buffer filetype makefile
}
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook global WinSetOption filetype=makefile %{
require-module makefile
set-option window static_words %opt{makefile_static_words}
hook window ModeChange pop:insert:.* -group makefile-trim-indent makefile-trim-indent
hook window InsertChar \n -group makefile-indent makefile-indent-on-new-line
hook -once -always window WinSetOption filetype=.* %{ remove-hooks window makefile-.+ }
}
hook -group makefile-highlight global WinSetOption filetype=makefile %{
add-highlighter window/makefile ref makefile
hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/makefile }
}
provide-module makefile %{
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
add-highlighter shared/makefile regions
add-highlighter shared/makefile/content default-region group
add-highlighter shared/makefile/comment region (?<!\\)(?:\\\\)*(?:^|\h)\K# '$' fill comment
add-highlighter shared/makefile/evaluate-commands region -recurse \( (?<!\$)(?:\$\$)*\K\$\( \) fill value
add-highlighter shared/makefile/content/ regex ^\S.*?(::|:|!)\s 0:variable
add-highlighter shared/makefile/content/ regex [+?:]= 0:operator
evaluate-commands %sh{
# Grammar
keywords="ifeq|ifneq|ifdef|ifndef|else|endif|define|endef"
# Add the language's grammar to the static completion list
printf %s\\n "declare-option str-list makefile_static_words ${keywords}" | tr '|' ' '
# Highlight keywords
printf %s "add-highlighter shared/makefile/content/ regex \b(${keywords})\b 0:keyword"
}
# Commands
# ‾‾‾‾‾‾‾‾
define-command -hidden makefile-trim-indent %{
evaluate-commands -no-hooks -draft -itersel %{
execute-keys <a-x>
# remove trailing white spaces
try %{ execute-keys -draft s \h + $ <ret> d }
}
}
define-command -hidden makefile-indent-on-new-line %{
evaluate-commands -draft -itersel %{
# preserve previous line indent
try %{ execute-keys -draft <semicolon>K<a-&> }
## If the line above is a target indent with a tab
try %{ execute-keys -draft Z k<a-x> <a-k>^\S.*?(::|:|!)\s<ret> z i<tab> }
# cleanup trailing white space son previous line
try %{ execute-keys -draft k<a-x> s \h+$ <ret>d }
# indent after some keywords
try %{ execute-keys -draft Z k<a-x> <a-k> ^\h*(ifeq|ifneq|ifdef|ifndef|else|define)\b<ret> z <a-gt> }
}
}
}