# http://rust-lang.org # ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ # Detection # ‾‾‾‾‾‾‾‾‾ hook global BufSetOption mimetype=text/x-rust %{ set buffer filetype rust } hook global BufCreate .*[.](rust|rs) %{ set buffer filetype rust set buffer mimetype '' } # Highlighters # ‾‾‾‾‾‾‾‾‾‾‾‾ addhl -group / regions -default code rust \ string '"' (?<!\\)(\\\\)*" '' \ comment // $ '' \ comment /\* \*/ /\* addhl -group /rust/string fill string addhl -group /rust/comment fill comment addhl -group /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 addhl -group /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)(?:8|16|32|64|size))?)\b 0:value addhl -group /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 addhl -group /rust/code regex \b(?:crate|use|extern)\b 0:meta addhl -group /rust/code regex \b(?:let|as|fn|return|match|if|else|loop|for|in|while|break|continue|move|box|where|impl|pub|unsafe)\b 0:keyword addhl -group /rust/code regex \b(?:mod|trait|struct|enum|type|mut|ref|static|const)\b 0:attribute addhl -group /rust/code regex \b(?:u8|u16|u32|u64|usize|i8|i16|i32|i64|isize|f32|f64|bool|char|str|Self)\b 0:type # Commands # ‾‾‾‾‾‾‾‾ def -hidden _rust_filter_around_selections %{ # remove trailing white spaces try %{ exec -draft -itersel <a-x> s \h+$ <ret> d } } def -hidden _rust_indent_on_new_line %~ eval -draft -itersel %< # preserve previous line indent try %{ exec -draft <space> K <a-&> } # filter previous line try %{ exec -draft k : _rust_filter_around_selections <ret> } # copy // comments prefix and following white spaces try %{ exec -draft k x s ^\h*\K//\h* <ret> y j p } # indent after lines ending with { or ( try %[ exec -draft k <a-x> <a-k> [{(]\h*$ <ret> j <a-gt> ] # align to opening paren of previous line try %{ exec -draft [( <a-k> \`\([^\n]+\n[^\n]*\n?\' <ret> s \`\(\h*.|.\' <ret> & } > ~ def -hidden _rust_indent_on_opening_curly_brace %[ eval -draft -itersel %_ # align indent with opening paren when { is entered on a new line after the closing paren try %[ exec -draft h <a-F> ) M <a-k> \`\(.*\)\h*\n\h*\{\' <ret> s \`|.\' <ret> 1<a-&> ] _ ] def -hidden _rust_indent_on_closing_curly_brace %[ eval -draft -itersel %_ # align to opening curly brace when alone on a line try %[ exec -draft <a-h> <a-k> ^\h+\}$ <ret> h m s \`|.\' <ret> 1<a-&> ] _ ] # Initialization # ‾‾‾‾‾‾‾‾‾‾‾‾‾‾ hook global WinSetOption filetype=rust %[ addhl ref rust hook window InsertEnd .* -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 global WinSetOption filetype=(?!rust).* %{ rmhl rust rmhooks window rust-indent rmhooks window rust-hooks }