elvish.yaml

filetype: elvish

detect:
    filename: "\\.elv$"

rules:
    # Conditionals and control flow
    - special: "\\b(all|assoc|bool|cd|chr|constantly|count|dir-history)\\b"
    - special: "\\b(dissoc|drop|each|eawk|echo|eq|exec|exit|explode|external)\\b"
    - special: "\\b(fail|fclose|fopen|from-json|from-lines|-gc|get-env|has-env|has-external)\\b"
    - special: "\\b(has-key|has-prefix|has-suffix|has-value|-ifaddrs|is|joins|keys)\\b"
    - special: "\\b(kind-of|-log|make-map|nop|not|not-eq|one|only-bytes|only-values)\\b"
    - special: "\\b(ord|path-|peach|pipe|pprint|prclose|print|put|pwclose|rand)\\b"
    - special: "\\b(randint|range|read-line|read-upto|repeat|replaces|repr|resolve|run-parallel)\\b"
    - special: "\\b(search-external|set-env|slurp|-source|splits|src|-stack|styled)\\b"
    - special: "\\b(styled-segment|take|tilde-abbr||time|-time|tilde-abbr|to-json|to-lines|to-string)\\b"
    - special: "\\b(unset-env|wcswidth)\\b"
    - statement: "\\b(elif|else|for|if|while|try|return|except)\\b\\s+"
    - preproc: "\\b(fn|use)\\b"
    - symbol.operator: "([.:;,+*|=!\\%]|<|>|/|-|&)"
    
      # Types
    - type: "(@)"
    - type: "(\\$)"
    - type.keyword: "\\b(struct)\\b"
    - constant.bool: "\\b(true|false|nil)\\b"

      # Brackets
    - symbol.brackets: "(\\{|\\})"
    - symbol.brackets: "(\\(|\\))"
    - symbol.brackets: "(\\[|\\])"

      # Numbers and strings
    - constant.number: "\\b([0-9]+|0x[0-9a-fA-F]*)\\b|'.'"

      # Quoted strings
    - constant.string: "\".*\"|\'.*\'|`.*`"	

    - comment:
        start: "#"
        end: "$"
        rules:
            - todo: "(TODO|XXX|FIXME):?"