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97 lines
3.6 KiB
Plaintext
97 lines
3.6 KiB
Plaintext
# https://dhall-lang.org
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#
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# Detection
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# ‾‾‾‾‾‾‾‾‾
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hook global BufCreate .*[.](dhall) %{
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set-option buffer filetype dhall
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}
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# Initialization
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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hook global WinSetOption filetype=dhall %{
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require-module dhall
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hook window ModeChange insert:.* -group dhall-trim-indent dhall-trim-indent
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hook window InsertChar \n -group dhall-indent dhall-indent-on-new-line
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hook -once -always window WinSetOption filetype=.* %{ remove-hooks window dhall-.+ }
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}
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hook -group dhall-highlight global WinSetOption filetype=dhall %{
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add-highlighter window/dhall ref dhall
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hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/dhall }
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}
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provide-module dhall %[
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# Highlighters
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# ‾‾‾‾‾‾‾‾‾‾‾‾
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add-highlighter shared/dhall regions
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add-highlighter shared/dhall/code default-region group
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add-highlighter shared/dhall/string region '"' (?<!\\)(\\\\)*" fill string
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add-highlighter shared/dhall/comment region -recurse \{- \{- -\} fill comment
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add-highlighter shared/dhall/line_comment region -- $ fill comment
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# Matches multi-line string literals
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add-highlighter shared/dhall/multiline_string region \Q''\E$ [^']''[^'] fill string
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# Matches quoted labels
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add-highlighter shared/dhall/quoted_label region ` ` fill normal
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# Matches built-in types
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add-highlighter shared/dhall/code/ regex \b(Location|Sort|Kind|Type|Text|Bool|Natural|Integer|Double|List|Optional|\{\})\b 0:type
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# Matches built-in keywords
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add-highlighter shared/dhall/code/ regex \b(if|then|else|let|in|using|missing|as|merge|toMap)\b 0:keyword
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# Matches bulit-in values
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add-highlighter shared/dhall/code/ regex \b(True|False|Some|None|-?Infinity|\{=\}|NaN)\b 0:value
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# Matches built-in operators
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add-highlighter shared/dhall/code/ regex (,|:|\|\||&&|==|!=|=|\+|\*|\+\+|#|⩓|//\\\\|→|->|\?|λ|\\|\^|⫽|//|\[|\]|\{|\}) 0:operator
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# Matches built-in functions
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add-highlighter shared/dhall/code/ regex \b(Natural-fold|Natural-build|Natural-isZero|Natural-even|Natural-odd|Natural-toInteger|Natural-show|Integer-toDouble|Integer-show|Natural-subtract|Double-show|List-build|List-fold|List-length|List-head|List-last|List-indexed|List-reverse|Optional-fold|Optional-build|Text-show)\b 0:keyword
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# Matches http[s] imports
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add-highlighter shared/dhall/code/ regex \b(http[s]://\S+)\b(\s+sha256:[a-f0-9]{64}\b)? 0:meta
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# Matches local imports
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add-highlighter shared/dhall/code/ regex (~|\.|\.\.|/)\S+ 0:meta
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# Matches number (natural, integer, double) literals
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add-highlighter shared/dhall/code/ regex \b(\+|-)?\d+(\.\d+)?(e(\+|-)?\d+)?\b 0:value
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# Matches union syntax
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add-highlighter shared/dhall/union region -recurse < < > group
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add-highlighter shared/dhall/union/sep regex (<|\|)\s*((?:_|[A-Z])(?:[a-zA-Z0-9-/_]*))\s*(?:(:)([^|>]*))? 1:operator 2:attribute 3:operator 4:type
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add-highlighter shared/dhall/union/end regex > 0:operator
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# Commands
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# ‾‾‾‾‾‾‾‾
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define-command -hidden dhall-trim-indent %{
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# remove trailing white spaces
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try %{ execute-keys -draft -itersel <a-x> s \h+$ <ret> d }
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}
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define-command -hidden dhall-indent-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 k <a-x> s ^\h*\K--\h* <ret> y gh j P }
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# preserve previous line indent
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try %{ execute-keys -draft \; K <a-&> }
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# filter previous line
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try %{ execute-keys -draft k : dhall-trim-indent <ret> }
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# indent after lines ending with let, : or =
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try %{ execute-keys -draft \; k x <a-k> (let|:|=)$ <ret> j <a-gt> }
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}
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}
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]
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