90 lines
3.4 KiB
Plaintext
90 lines
3.4 KiB
Plaintext
# https://golang.org/
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#
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# Detection
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# ‾‾‾‾‾‾‾‾‾
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hook global BufCreate .*[.](go) %{
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set buffer filetype golang
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}
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# Highlighters
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# ‾‾‾‾‾‾‾‾‾‾‾‾
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addhl -group / regions -default code golang \
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back_string '`' '`' '' \
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double_string '"' (?<!\\)(\\\\)*" '' \
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single_string "'" (?<!\\)(\\\\)*' '' \
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comment '//' $ ''
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addhl -group /golang/back_string fill string
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addhl -group /golang/double_string fill string
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addhl -group /golang/single_string fill string
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addhl -group /golang/comment fill comment
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addhl -group /golang/code regex %{\<(false|true|nil)\>|\<-?(0x[0-9a-zA-Z]+|\d+)\>} 0:value
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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
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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
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addhl -group /golang/code regex \<(const)\> 0:attribute
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# Commands
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# ‾‾‾‾‾‾‾‾
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def -hidden _golang-indent-on-new-line %~
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eval -draft -itersel %=
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# preserve previous line indent
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try %{ exec -draft \;K<a-&> }
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# indent after lines ending with { or (
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try %[ exec -draft k<a-x> <a-k> [{(]\h*$ <ret> j<a-gt> ]
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# cleanup trailing white spaces on the previous line
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try %{ exec -draft k<a-x> s \h+$ <ret>d }
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# align to opening paren of previous line
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try %{ exec -draft [( <a-k> \`\([^\n]+\n[^\n]*\n?\' <ret> s \`\(\h*.|.\' <ret> '<a-;>' & }
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# copy // comments prefix
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try %{ exec -draft \;<c-s>k<a-x> s ^\h*\K/{2,} <ret> y<c-o><c-o>P<esc> }
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# indent after a switch's case/default statements
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try %[ exec -draft k<a-x> <a-k> ^\h*(case|default).*:$ <ret> j<a-gt> ]
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# indent after if|else|while|for
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try %[ exec -draft \;<a-F>)MB <a-k> \`(if|else|while|for)\h*\(.*\)\h*\n\h*\n?\' <ret> s \`|.\' <ret> 1<a-&>1<a-space><a-gt> ]
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=
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~
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def -hidden _golang-indent-on-opening-curly-brace %[
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# align indent with opening paren when { is entered on a new line after the closing paren
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try %[ exec -draft -itersel h<a-F>)M <a-k> \`\(.*\)\h*\n\h*\{\' <ret> s \`|.\' <ret> 1<a-&> ]
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]
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def -hidden _golang-indent-on-closing-curly-brace %[
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# align to opening curly brace when alone on a line
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try %[ exec -itersel -draft <a-h><a-k>^\h+\}$<ret>hms\`|.\'<ret>1<a-&> ]
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]
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def golang-enable-gofmt -docstring "Format the code using the gofmt utility upon saving" %{
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hook buffer -group golang-formatter BufWritePre .* %{
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exec -draft %{%|"gofmt"<ret>}
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}
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}
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def golang-disable-gofmt -docstring "Disable automatic code formatting" %{
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rmhooks buffer golang-formatter
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}
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# Initialization
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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hook global WinSetOption filetype=golang %{
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addhl ref golang
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# cleanup trailing whitespaces when exiting insert mode
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hook window InsertEnd .* -group golang-hooks %{ try %{ exec -draft <a-x>s^\h+$<ret>d } }
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hook window InsertChar \n -group golang-indent _golang-indent-on-new-line
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hook window InsertChar \{ -group golang-indent _golang-indent-on-opening-curly-brace
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hook window InsertChar \} -group golang-indent _golang-indent-on-closing-curly-brace
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}
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hook global WinSetOption filetype=(?!golang).* %{
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rmhl golang
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rmhooks window golang-hooks
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rmhooks window golang-indent
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}
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