# http://rust-lang.org # ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ # Detection # ‾‾‾‾‾‾‾‾‾ hook global BufCreate .*[.](rust|rs) %{ set-option buffer filetype 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/comment region -recurse /\* /\* \*/ fill comment add-highlighter shared/rust/line_comment region // $ fill comment add-highlighter shared/rust/code/ regex \b[A-z0-9_]+! 0:meta # the number literals syntax is defined here: # https://doc.rust-lang.org/reference.html#number-literals add-highlighter shared/rust/code/ 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/ regex \b(?:&&|\|\|)\b 0:operator # the language keywords are defined here, but many of them are reserved and unused yet: # https://doc.rust-lang.org/grammar.html#keywords add-highlighter shared/rust/code/ regex (?:#!?\[.*?\]) 0:meta add-highlighter shared/rust/code/ regex \b(?:let|as|fn|return|match|if|else|loop|for|in|while|break|continue|move|box|where|impl|dyn|pub|unsafe)\b 0:keyword add-highlighter shared/rust/code/ regex \b(?:trait|struct|enum|type|mut|ref|static|const)\b 0:attribute add-highlighter shared/rust/code/ 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/ regex \b(?:mod|crate|use|extern)\b 0:module add-highlighter shared/rust/code/ regex \$\w+\b 0:variable add-highlighter shared/rust/code/ regex "'\\\\?.'" 0:value add-highlighter shared/rust/code/ regex "('\w+)[^']" 1:meta # Commands # ‾‾‾‾‾‾‾‾ define-command -hidden rust-filter-around-selections %{ # remove trailing white spaces try %{ execute-keys -draft -itersel <a-x> s \h+$ <ret> d } } define-command -hidden rust-indent-on-new-line %~ evaluate-commands -draft -itersel %< # copy // comments prefix and following white spaces try %{ execute-keys -draft k <a-x> s ^\h*\K//[!/]?\h* <ret> y gh j P } # preserve previous line indent try %{ execute-keys -draft \; K <a-&> } # filter previous line try %{ execute-keys -draft k : rust-filter-around-selections <ret> } # indent after lines ending with { or ( try %[ execute-keys -draft k <a-x> <a-k> [{(]\h*$ <ret> j <a-gt> ] # align to opening paren of previous line try %{ execute-keys -draft [( <a-k> \A\([^\n]+\n[^\n]*\n?\z <ret> s \A\(\h*.|.\z <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-&> ] _ ] define-command -hidden rust-indent-on-closing-curly-brace %[ evaluate-commands -draft -itersel %_ # align to opening curly brace when alone on a line try %[ execute-keys -draft <a-h> <a-k> ^\h+\}$ <ret> h m s \A|.\z <ret> 1<a-&> ] _ ] # Initialization # ‾‾‾‾‾‾‾‾‾‾‾‾‾‾ hook -group rust-highlight global WinSetOption filetype=rust %{ add-highlighter window/rust ref rust } hook global WinSetOption filetype=rust %[ hook window ModeChange insert:.* -group rust-hooks rust-filter-around-selections 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-curly-brace ] hook -group rust-highlight global WinSetOption filetype=(?!rust).* %{ remove-highlighter window/rust } hook global WinSetOption filetype=(?!rust).* %{ remove-hooks window rust-.+ }