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121 lines
2.7 KiB
Scheme
Vendored
121 lines
2.7 KiB
Scheme
Vendored
; basic keywords
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[
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("assert")
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("with")
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("let")
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("in")
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("rec")
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("inherit")
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] @keyword
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; if/then/else
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[
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("if")
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("then")
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("else")
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] @conditional
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; field access default (`a.b or c`)
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("or") @keyword.operator
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; comments
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(comment) @comment
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; strings
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[ (string) (indented_string) ] @string
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; paths and URLs
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[ (path) (spath) (uri) ] @string.special
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; escape sequences
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(escape_sequence) @string.escape
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; delimiters
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[
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"."
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";"
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","
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] @punctuation.delimiter
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; brackets
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[
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"("
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")"
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"["
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"]"
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"{"
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"}"
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] @punctuation.bracket
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; `?` in `{ x ? y }:`, used to set defaults for named function arguments
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; I'm not really sure what group this should go in, but it should probably have highlighting, so I'm putting it in @punctuation.special
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(formal "?" @punctuation.special)
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; `...` in `{ ... }`, used to ignore unknown named function arguments (see above)
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(ellipses) @punctuation.special
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; `:` in `x: y`, used to separate function argument from body (see above)
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(function ":" @punctuation.special)
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; basic identifiers
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(identifier) @variable
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; builtin functions
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((identifier) @_i (#match? @_i "^(builtins|baseNameOf|dirOf|fetchTarball|map|removeAttrs|toString)$")) @variable.builtin
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; display entire builtins path as builtin (ex. `builtins.filter` is highlighted as one long builtin)
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(select ((identifier) @_i (#eq? @_i "builtins")) (attrpath (attr_identifier) @variable.builtin)) @variable.builtin
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; import
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((identifier) @_i (#eq? @_i "import")) @include
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; null
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((identifier) @_i (#eq? @_i "import")) @constant.builtin
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; these are technically functions but they act more like keywords (abort and throw are control flow, derivation is a core language construct)
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((identifier) @_i (#match? @_i "^(abort|derivation|throw)$")) @keyword
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; booleans
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((identifier) @_i (#match? @_i "^(true|false)$")) @boolean
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; string interpolation (this was very annoying to get working properly)
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(interpolation "${" @punctuation.special (_) "}" @punctuation.special) @none
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; fields (the `.` in `a.b = c;` isn't included)
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(attrset (bind . (attrpath (attr_identifier) @field)))
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(rec_attrset (bind . (attrpath (attr_identifier) @field)))
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; unary operators
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(unary "-" @operator)
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(unary "!" @operator)
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; binary operators
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(binary "?" @operator)
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(binary "++" @operator)
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(binary "*" @operator)
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(binary "/" @operator)
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(binary "+" @operator)
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(binary "-" @operator)
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(binary "//" @operator)
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(binary "<" @operator)
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(binary "<=" @operator)
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(binary ">" @operator)
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(binary ">=" @operator)
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(binary "==" @operator)
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(binary "!=" @operator)
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(binary "&&" @operator)
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(binary "||" @operator)
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(binary "->" @operator)
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; integers, also highlight a unary -
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[
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(unary "-" (integer))
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(integer)
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] @number
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; floats, also highlight a unary -
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[
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(unary "-" (float))
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(float)
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] @float
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