127 lines
5.2 KiB
Plaintext
127 lines
5.2 KiB
Plaintext
# https://dartlang.org/
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#
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# Detection
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# ‾‾‾‾‾‾‾‾‾
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hook global BufCreate .*\.dart %{
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set-option buffer filetype dart
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}
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# Initialization
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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hook global WinSetOption filetype=dart %{
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require-module dart
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set-option window static_words %opt{dart_static_words}
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# cleanup trailing whitespaces when exiting insert mode
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hook window ModeChange pop:insert:.* -group dart-trim-indent %{ try %{ execute-keys -draft xs^\h+$<ret>d } }
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hook window InsertChar \n -group dart-insert dart-insert-on-new-line
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hook window InsertChar \n -group dart-indent dart-indent-on-new-line
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hook window InsertChar \{ -group dart-indent dart-indent-on-opening-curly-brace
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hook window InsertChar \} -group dart-indent dart-indent-on-closing-curly-brace
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hook -once -always window WinSetOption filetype=.* %{ remove-hooks window dart-.+ }
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}
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hook -group dart-highlight global WinSetOption filetype=dart %{
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add-highlighter window/dart ref dart
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hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/dart }
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}
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provide-module dart %§
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# Highlighters
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# ‾‾‾‾‾‾‾‾‾‾‾‾
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add-highlighter shared/dart regions
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add-highlighter shared/dart/code default-region group
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add-highlighter shared/dart/double_string region '"' (?<!\\)(\\\\)*" group
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add-highlighter shared/dart/single_string region "'" (?<!\\)(\\\\)*' group
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add-highlighter shared/dart/comment region /\* \*/ fill comment
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add-highlighter shared/dart/comment_line region '//' $ fill comment
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add-highlighter shared/dart/code/ regex %{-?([0-9]*\.(?!0[xX]))?\b([0-9]+|0[xX][0-9a-fA-F]+)\.?([eE][+-]?[0-9]+)?i?\b} 0:value
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# String interpolation
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add-highlighter shared/dart/double_string/ fill string
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add-highlighter shared/dart/double_string/ regex \$\{.*?\} 0:value
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add-highlighter shared/dart/single_string/ fill string
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add-highlighter shared/dart/single_string/ regex \$\{.*?\} 0:value
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evaluate-commands %sh{
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# Grammar
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keywords="abstract|do|import|super|as|in|switch|assert|else|interface|async"
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keywords="${keywords}|enum|is|this|export|library|throw|await|external|mixin|break|extends"
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keywords="${keywords}|new|try|case|factory|typedef|catch|operator|class|final|part|extension"
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keywords="${keywords}|const|finally|rethrow|while|continue|for|return|with|covariant"
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keywords="${keywords}|get|set|yield|default|if|static|deferred|implements"
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generator_keywords="async\*|sync\*|yield\*"
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types="void|bool|num|int|double|dynamic|var"
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values="false|true|null"
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annotations="@[a-zA-Z]+"
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functions="(_?[a-z][a-zA-Z0-9]*)(\(|\w+=>)"
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classes="_?[A-Z][a-zA-Z0-9]*"
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# Add the language's grammar to the static completion list
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printf %s\\n "declare-option str-list dart_static_words ${keywords} ${attributes} ${types} ${values}" | tr '|' ' '
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# Highlight keywords
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printf %s "
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add-highlighter shared/dart/code/ regex \b(${keywords})\b 0:keyword
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add-highlighter shared/dart/code/ regex \b(${generator_keywords}) 0:keyword
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add-highlighter shared/dart/code/ regex \b(${attributes})\b 0:attribute
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add-highlighter shared/dart/code/ regex \b(${types})\b 0:type
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add-highlighter shared/dart/code/ regex \b(${values})\b 0:value
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add-highlighter shared/dart/code/ regex \b(${functions}) 2:function
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add-highlighter shared/dart/code/ regex (${annotations})\b 0:meta
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add-highlighter shared/dart/code/ regex \b(${classes})\b 0:module
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"
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}
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# Commands
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# ‾‾‾‾‾‾‾‾
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define-command -hidden dart-insert-on-new-line %~
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evaluate-commands -draft -itersel %=
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# copy // comments prefix and following white spaces
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try %{ execute-keys -draft <semicolon><c-s>kx s ^\h*\K/{2,}\h* <ret> y<c-o>P<esc> }
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=
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~
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define-command -hidden dart-indent-on-new-line %~
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evaluate-commands -draft -itersel %=
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# preserve previous line indent
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try %{ execute-keys -draft <semicolon>K<a-&> }
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# indent after lines ending with { or (
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try %[ execute-keys -draft kx <a-k> [{(]\h*$ <ret> j<a-gt> ]
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# cleanup trailing white spaces on the previous line
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try %{ execute-keys -draft kx s \h+$ <ret>d }
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# align to opening paren of previous line
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try %{ execute-keys -draft [( <a-k> \A\([^\n]+\n[^\n]*\n?\z <ret> s \A\(\h*.|.\z <ret> '<a-;>' & }
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# indent after a switch's case/default statements
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try %[ execute-keys -draft kx <a-k> ^\h*(case|default).*:$ <ret> j<a-gt> ]
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# indent after if|else|while|for
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try %[ execute-keys -draft <semicolon><a-F>)MB <a-k> \A(if|else|while|for)\h*\(.*\)\h*\n\h*\n?\z <ret> s \A|.\z <ret> 1<a-&>1<a-,><a-gt> ]
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# deindent closing brace when after cursor
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try %[ execute-keys -draft x <a-k> ^\h*\} <ret> gh / \} <ret> m <a-S> 1<a-&> ]
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=
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~
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define-command -hidden dart-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 %[ execute-keys -draft -itersel h<a-F>)M <a-k> \A\(.*\)\h*\n\h*\{\z <ret> s \A|.\z <ret> 1<a-&> ]
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]
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define-command -hidden dart-indent-on-closing-curly-brace %[
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# align to opening curly brace when alone on a line
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try %[ execute-keys -itersel -draft <a-h><a-k>^\h+\}$<ret>hms\A|.\z<ret>1<a-&> ]
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]
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§
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