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Diffstat (limited to 'autoload/filetype/rust.kak')
| -rw-r--r-- | autoload/filetype/rust.kak | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/autoload/filetype/rust.kak b/autoload/filetype/rust.kak new file mode 100644 index 0000000..3aacc73 --- /dev/null +++ b/autoload/filetype/rust.kak @@ -0,0 +1,209 @@ +# http://rust-lang.org +# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ + +# Detection +# ‾‾‾‾‾‾‾‾‾ + +hook global BufCreate .*[.](rust|rs) %{ + set-option buffer filetype rust +} + +# Initialization +# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾ + +hook global WinSetOption filetype=rust %< + require-module rust + hook window ModeChange pop:insert:.* -group rust-trim-indent rust-trim-indent + hook window InsertChar \n -group rust-indent rust-indent-on-new-line + hook window InsertChar \{ -group rust-indent rust-indent-on-opening-curly-brace + hook window InsertChar [)}\]] -group rust-indent rust-indent-on-closing + hook -once -always window WinSetOption filetype=.* %{ remove-hooks window rust-.+ } +> + +hook -group rust-highlight global WinSetOption filetype=rust %{ + add-highlighter window/rust ref rust + hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/rust } +} + +provide-module rust %§ + +# Highlighters +# ‾‾‾‾‾‾‾‾‾‾‾‾ + +add-highlighter shared/rust regions +add-highlighter shared/rust/code default-region group +add-highlighter shared/rust/string region %{(?<!')"} (?<!\\)(\\\\)*" fill string +add-highlighter shared/rust/raw_string region -match-capture %{(?<!')r(#*)"} %{"(#*)} fill string + +add-highlighter shared/rust/line_doctest region ^\h*//[!/]\h*```($|should_panic|no_run|ignore|allow_fail|rust|test_harness|compile_fail|E\d{4}|edition201[58]) ^\h*//[!/]\h*```$ regions +add-highlighter shared/rust/line_doctest/marker region ``` $ group +add-highlighter shared/rust/line_doctest/marker/fence regex ``` 0:meta +add-highlighter shared/rust/line_doctest/marker/keywords regex [\d\w] 0:meta # already matched above, just ignore comma +add-highlighter shared/rust/line_doctest/inner region '^\h*//[!/]( #(?= ))?' '$| ' group +add-highlighter shared/rust/line_doctest/inner/comment regex //[!/] 0:documentation +add-highlighter shared/rust/line_doctest/inner/hidden regex '#' 0:meta +add-highlighter shared/rust/line_doctest/code default-region ref rust +add-highlighter shared/rust/line_code_rest region ^\h*//[!/]\h*``` ^\h*//[!/]\h*```$ fill documentation # reset invalid doctest +add-highlighter shared/rust/line_comment2 region //[!/]{2} $ fill comment +add-highlighter shared/rust/line_doc region //[!/] $ fill documentation +add-highlighter shared/rust/line_comment1 region // $ group +add-highlighter shared/rust/line_comment1/comment fill comment +add-highlighter shared/rust/line_comment1/todo regex (TODO|NOTE|FIXME): 1:meta + +add-highlighter shared/rust/block_comment2 region -recurse /\*\*\* /\*\*\* \*/ fill comment +add-highlighter shared/rust/block_doc region -recurse /\*\* /\*\* \*/ regions +add-highlighter shared/rust/block_doc/doctest region ```($|should_panic|no_run|ignore|allow_fail|rust|test_harness|compile_fail|E\d{4}|edition201[58]) ```$ regions +add-highlighter shared/rust/block_doc/doctest/marker region ``` $ group +add-highlighter shared/rust/block_doc/doctest/marker/fence regex ``` 0:meta +add-highlighter shared/rust/block_doc/doctest/marker/keywords regex [\d\w] 0:meta # already matched above, just ignore comma +add-highlighter shared/rust/block_doc/doctest/inner default-region group +add-highlighter shared/rust/block_doc/doctest/inner/hidden regex '^\h*\**\h*#' 0:meta +add-highlighter shared/rust/block_doc/doctest/inner/comment regex ^\h*\* 0:documentation +add-highlighter shared/rust/block_doc/doctest/inner/code ref rust +add-highlighter shared/rust/block_doc/code_rest region ``` ``` fill documentation +add-highlighter shared/rust/block_doc/doc default-region fill documentation +add-highlighter shared/rust/block_comment1 region -recurse /\* /\* \*/ group +add-highlighter shared/rust/block_comment1/comment fill comment +add-highlighter shared/rust/block_comment1/todo regex (TODO|NOTE|FIXME): 1:meta + +add-highlighter shared/rust/macro_attributes region -recurse "\[" "#!?\[" "\]" regions +add-highlighter shared/rust/macro_attributes/ default-region fill meta +add-highlighter shared/rust/macro_attributes/string region %{(?<!')"} (?<!\\)(\\\\)*" fill string +add-highlighter shared/rust/macro_attributes/raw_string region -match-capture %{(?<!')r(#*)"} %{"(#*)} fill string + +add-highlighter shared/rust/code/operators_arithmetic regex (\+|-|/|\*|=|\^|&|\||!|>|<|%)=? 0:operator +add-highlighter shared/rust/code/operators_as regex \bas\b 0:operator +add-highlighter shared/rust/code/ref_ref regex (&\h+[&~@*])[^)=\s\t\r\n] 1:type +add-highlighter shared/rust/code/ref regex ([&~@*])[^)=\s\t\r\n] 1:type +add-highlighter shared/rust/code/operators_logic regex &&|\|\| 0:operator + +add-highlighter shared/rust/code/lifetime_or_loop_label regex ('([a-zA-Z]\w+|_\w+))\b 1:meta +add-highlighter shared/rust/code/namespace regex \b[a-zA-Z](\w+)?(\h+)?(?=::) 0:module +add-highlighter shared/rust/code/mod_path_sep regex :: 0:meta +add-highlighter shared/rust/code/question_mark regex \? 0:meta +# the language keywords are defined here, but many of them are reserved and unused yet: +# https://doc.rust-lang.org/reference/keywords.html +add-highlighter shared/rust/code/function_call regex _?[a-zA-Z]\w*\s*(?=\() 0:function +add-highlighter shared/rust/code/generic_function_call regex _?[a-zA-Z]\w*\s*(?=::<) 0:function +add-highlighter shared/rust/code/function_declaration regex (?:fn\h+)(_?\w+)(?:<[^>]+?>)?\( 1:function +add-highlighter shared/rust/code/keywords regex \b(?:as|break|continue|crate|else|enum|extern|false|fn|for|if|impl|in|let|loop|match|mod|pub|return|self|Self|struct|super|trait|true|type|union|unsafe|use|where|while|async|await|dyn|abstract|become|box|do|try)\b 0:keyword +add-highlighter shared/rust/code/storage regex \b(move|mut|ref|static|const)\b 0:type +add-highlighter shared/rust/code/pub_with_scope regex \b(pub)\h*(\()\h*(crate|super|self|in\h+[\w:]+)\h*(\)) 1:keyword 2:meta 4:meta +# after let can be an arbitrary pattern match +add-highlighter shared/rust/code/macro regex \b\w+! 0:meta +# the number literals syntax is defined here: +# https://doc.rust-lang.org/reference/tokens.html#numb ers +add-highlighter shared/rust/code/values regex \b(?:self|true|false|[0-9][_0-9]*(?:\.[0-9][_0-9]*|(?:\.[0-9][_0-9]*)?E[\+\-][_0-9]+)(?:f(?:32|64))?|(?:0x[_0-9a-fA-F]+|0o[_0-7]+|0b[_01]+|[0-9][_0-9]*)(?:(?:i|u|f)(?:8|16|32|64|128|size))?)\b 0:value +add-highlighter shared/rust/code/char_character regex "'([^\\]|\\(.|x[0-9a-fA-F]{2}|u\{[0-9a-fA-F]{1,6}\}))'" 0:value +# TODO highlight error for unicode or single escape by te character +add-highlighter shared/rust/code/byte_character regex b'([\x00-\x5B\x5D-\x7F]|\\(.|x[0-9a-fA-F]{2}))' 0:value +add-highlighter shared/rust/code/builtin_types regex \b(?:u8|u16|u32|u64|u128|usize|i8|i16|i32|i64|i128|isize|f32|f64|bool|char|str|Self)\b 0:type +add-highlighter shared/rust/code/return regex \breturn\b 0:meta + +add-highlighter shared/rust/code/enum regex \b(Option|Result)\b 0:type +add-highlighter shared/rust/code/enum_variant regex \b(Some|None|Ok|Err)\b 0:value +add-highlighter shared/rust/code/std_traits regex \b(Copy|Send|Sized|Sync|Drop|Fn|FnMut|FnOnce|Box|ToOwned|Clone|PartialEq|PartialOrd|Eq|Ord|AsRef|AsMut|Into|From|Default|Iterator|Extend|IntoIterator|DoubleEndedIterator|ExactSizeIterator|SliceConcatExt|String|ToString|Vec)\b 0:type + +# Commands +# ‾‾‾‾‾‾‾‾ + +define-command -hidden rust-trim-indent %{ + # remove trailing white spaces + try %{ execute-keys -draft -itersel x s \h+$ <ret> d } +} + +define-command -hidden rust-indent-on-new-line %~ + evaluate-commands -draft -itersel %@ + try %{ + try %[ # line comment + evaluate-commands -draft -save-regs '/"' %[ + # copy the commenting prefix + execute-keys -save-regs '' k x s ^\h*//[!/]{0,2}\h* <ret> y + try %[ + # if the previous comment isn't empty, create a new one + execute-keys x<a-K>^\h*//[!/]{0,2}$<ret> jxs^\h*<ret>P + ] catch %[ + # TODO figure out a way to not delete empty comment in current line + # if there is no space and text in the previous comment, remove it completely + execute-keys s //.*<ret> d + ] + ] + ] catch %[ # block comment + # if the previous line isn't within a comment scope, break + execute-keys -draft kx <a-k>^(\h*/\*|\h+\*(?!/))<ret> + + # find comment opening, validate it was not closed, and check its using star prefixes + execute-keys -draft <a-?>/\*<ret><a-H> <a-K>\*/<ret> <a-k>\A\h*/\*([^\n]*\n\h*\*)*[^\n]*\n\h*.\z<ret> + + try %[ + # if the previous line is opening the comment, insert star preceeded by space + execute-keys -draft kx<a-k>^\h*/\*<ret> + execute-keys -draft i*<space><esc> + ] catch %[ + try %[ + # if the next line is a comment line insert a star + execute-keys -draft jx<a-k>^\h+\*<ret> + execute-keys -draft i*<space><esc> + ] catch %[ + try %[ + # if the previous line is an empty comment line, close the comment scope + execute-keys -draft kx<a-k>^\h+\*\h+$<ret> x1s\*(\h*)<ret>c/<esc> + ] catch %[ + # if the previous line is a non-empty comment line, add a star + execute-keys -draft i*<space><esc> + ] + ] + ] + + # trim trailing whitespace on the previous line + try %[ execute-keys -draft s\h+$<ret> d ] + # align the new star with the previous one + execute-keys Kx1s^[^*]*(\*)<ret>& + ] + } catch %` + # re-indent previous line if it starts with where to match previous block + # string literal parsing within extern does not handle escape + try %% execute-keys -draft k x <a-k> ^\h*where\b <ret> hh <a-?> ^\h*\b(impl|((|pub\ |pub\((crate|self|super|in\ (::)?([a-zA-Z][a-zA-Z0-9_]*|_[a-zA-Z0-9_]+)(::[a-zA-Z][a-zA-Z0-9_]*|_[a-zA-Z0-9_]+)*)\)\ )((async\ |const\ )?(unsafe\ )?(extern\ ("[^"]*"\ )?)?fn|struct|enum|union)))\b <ret> <a-S> 1<a-&> % + # preserve previous line indent + try %{ execute-keys -draft <semicolon> K <a-&> } + # indent after lines ending with [{([].+ and move first parameter to own line + try %< execute-keys -draft [c[({[],[)}\]] <ret> <a-k> \A[({[][^\n]+\n[^\n]*\n?\z <ret> L i<ret><esc> <gt> <a-S> <a-&> > + # indent after non-empty lines not starting with operator and not ending with , or ; or { + # XXX simplify this into a single <a-k> without s + try %< execute-keys -draft k x s [^\h].+ <ret> <a-K> \A[-+*/&|^})<gt><lt>#] <ret> <a-K> [,<semicolon>{](\h*/[/*].*|)$ <ret> j <a-gt> > + # indent after lines ending with { + try %+ execute-keys -draft k x <a-k> \{$ <ret> j <a-gt> + + # dedent after lines starting with . and ending with } or ) or , or ; or .await (} or ) or .await maybe with ?) + try %_ execute-keys -draft k x <a-k> ^\h*\. <ret> <a-k> ([,<semicolon>]|(([})]|\.await)\?*))\h*$ <ret> j <a-lt> _ + # dedent after lines ending with " => {}" - part of empty match + try %# execute-keys -draft k x <a-k> \ =>\ \{\}\h*$ <ret> j <a-lt> # + # align to opening curly brace or paren when newline is inserted before a single closing + try %< execute-keys -draft <a-h> <a-k> ^\h*[)}] <ret> h m <a-S> 1<a-&> > + # todo dedent additional unmatched parenthesis + # try %& execute-keys -draft k x s \((?:[^)(]+|\((?:[^)(]+|\([^)(]*\))*\))*\) l Gl s\) %sh{ + # count previous selections length + # printf "j $(echo $kak_selections_length | wc -w) <a-lt>" + # } & + ` + # filter previous line + try %{ execute-keys -draft k : rust-trim-indent <ret> } + @ +~ + +define-command -hidden rust-indent-on-opening-curly-brace %[ + evaluate-commands -draft -itersel %~ + # align indent with opening paren when { is entered on a new line after the closing paren + try %[ execute-keys -draft h <a-F> ) M <a-k> \A\(.*\)\h*\n\h*\{\z <ret> s \A|.\z <ret> 1<a-&> ] + # dedent standalone { after impl and related block without any { in between + try %@ execute-keys -draft hh <a-?> ^\h*\b(impl|((|pub\ |pub\((crate|self|super|in\ (::)?([a-zA-Z][a-zA-Z0-9_]*|_[a-zA-Z0-9_]+)(::[a-zA-Z][a-zA-Z0-9_]*|_[a-zA-Z0-9_]+)*)\)\ )((async\ |const\ )?(unsafe\ )?(extern\ ("[^"]*"\ )?)?fn|struct|enum|union))|if|for)\b <ret> <a-K> \{ <ret> <a-semicolon> <semicolon> ll x <a-k> ^\h*\{$ <ret> <a-lt> @ + ~ +] + +define-command -hidden rust-indent-on-closing %~ + evaluate-commands -draft -itersel %_ + # align to opening curly brace or paren when alone on a line + try %< execute-keys -draft <a-h> <a-k> ^\h*[)}\]]$ <ret> h m <a-S> 1<a-&> > + _ +~ + +§ |