diff --git a/rc/golang.kak b/rc/golang.kak new file mode 100644 index 00000000..4f079a56 --- /dev/null +++ b/rc/golang.kak @@ -0,0 +1,77 @@ +# https://golang.org/ +# + +# Detection +# ‾‾‾‾‾‾‾‾‾ + +hook global BufCreate .*[.](go) %{ + set buffer filetype golang +} + +# Highlighters +# ‾‾‾‾‾‾‾‾‾‾‾‾ + +addhl -group / regions -default code golang \ + back_string '`' '`' '' \ + double_string '"' (?|\<-?(0x[0-9a-zA-Z]+|\d+)\>} 0:value +addhl -group /golang/code regex \<(break|default|defer|else|fallthrough|for|func|go|goto|if|import|interface|make|new|package|range|return|select|case|switch|type|continue)\> 0:keyword +addhl -group /golang/code regex \<(bool|byte|chan|complex128|complex64|float32|float64|int|int16|int32|int64|int8|interface|intptr|map|rune|string|struct|uint|uint16|uint32|uint64|uint8)\> 0:type +addhl -group /golang/code regex \<(const)\> 0:attribute + +# Commands +# ‾‾‾‾‾‾‾‾ + +def -hidden _golang-indent-on-new-line %~ + eval -draft -itersel %= + # preserve previous line indent + try %{ exec -draft \;K } + # indent after lines ending with { or ( + try %[ exec -draft k [{(]\h*$ j ] + # cleanup trailing white spaces on the previous line + try %{ exec -draft k s \h+$ d } + # align to opening paren of previous line + try %{ exec -draft [( \`\([^\n]+\n[^\n]*\n?\' s \`\(\h*.|.\' '' & } + # copy // comments prefix + try %{ exec -draft \;k s ^\h*\K/{2,} yP } + # indent after a switch's case/default statements + try %[ exec -draft k ^\h*(case|default).*:$ j ] + # indent after if|else|while|for + try %[ exec -draft \;)MB \`(if|else|while|for)\h*\(.*\)\h*\n\h*\n?\' s \`|.\' 11 ] + = +~ + +def -hidden _golang-indent-on-opening-curly-brace %[ + # align indent with opening paren when { is entered on a new line after the closing paren + try %[ exec -draft -itersel h)M \`\(.*\)\h*\n\h*\{\' s \`|.\' 1 ] +] + +def -hidden _golang-indent-on-closing-curly-brace %[ + # align to opening curly brace when alone on a line + try %[ exec -itersel -draft ^\h+\}$hms\`|.\'1 ] +] + +# Initialization +# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾ + +hook global WinSetOption filetype=golang %{ + addhl ref golang + + # cleanup trailing whitespaces when exiting insert mode + hook window InsertEnd .* -group golang-hooks %{ try %{ exec -draft s^\h+$d } } + hook window InsertChar \n -group golang-indent _golang-indent-on-new-line + hook window InsertChar \{ -group golang-indent _golang-indent-on-opening-curly-brace + hook window InsertChar \} -group golang-indent _golang-indent-on-closing-curly-brace +} + +hook global WinSetOption filetype=(?!golang).* %{ + rmhl golang +}