filetype: gleam

detect:
    filename: "\\.gleam$"

rules:
    - identifier: "\\b[a-z][a-z0-9_]*\\b"

    - statement: "\\b(as|assert|auto|case|const|delegate|derive|echo|else|fn|if|implement|import|let|macro|opaque|panic|pub|test|todo|type|use)\\b"

    - type: "\\b[A-Z][a-zA-Z0-9_]*\\b"

    - type: "\\b(Int|Float|String|Bool|List|Option|Result|BitArray)\\b"

    - constant: "\\b(True|False|Nil)\\b"

    - preproc: "@[a-z][a-z_]*"

    - statement: "(\\|>|->|<-)"
    - statement: "(\\.\\.|<>)"
    - statement: "(==|!=|<=\\.|>=\\.|<\\.|>\\.|<=|>=)"
    - statement: "(&&|\\|\\|)"
    - statement: "(\\+\\.|-\\.|\\*\\.|/\\.|\\+|-|\\*|/|%)"
    - statement: "(=|<|>|!|<<|>>)"

    - constant.number: "\\b0b[01](_?[01])*\\b"
    - constant.number: "\\b0o[0-7](_?[0-7])*\\b"
    - constant.number: "\\b0x[0-9a-fA-F](_?[0-9a-fA-F])*\\b"
    - constant.number: "\\b[0-9](_?[0-9])*(\\.[0-9](_?[0-9])*)?([eE][+-]?[0-9](_?[0-9])*)?\\b"

    - default:
        start: "#\\("
        end: "\\)"
        limit-group: special
        rules:
            - identifier: "\\b[a-z][a-z0-9_]*\\b"
            - statement: "\\b(as|assert|auto|case|const|delegate|derive|echo|else|fn|if|implement|import|let|macro|opaque|panic|pub|test|todo|type|use)\\b"
            - type: "\\b[A-Z][a-zA-Z0-9_]*\\b"
            - type: "\\b(Int|Float|String|Bool|List|Option|Result|BitArray)\\b"
            - constant: "\\b(True|False|Nil)\\b"
            - statement: "(\\|>|->|<-)"
            - statement: "(\\.\\.|<>)"
            - statement: "(==|!=|<=\\.|>=\\.|<\\.|>\\.|<=|>=)"
            - statement: "(&&|\\|\\|)"
            - statement: "(\\+\\.|-\\.|\\*\\.|/\\.|\\+|-|\\*|/|%)"
            - statement: "(=|<|>|!|<<|>>)"
            - constant.number: "\\b0b[01](_?[01])*\\b"
            - constant.number: "\\b0o[0-7](_?[0-7])*\\b"
            - constant.number: "\\b0x[0-9a-fA-F](_?[0-9a-fA-F])*\\b"
            - constant.number: "\\b[0-9](_?[0-9])*(\\.[0-9](_?[0-9])*)?([eE][+-]?[0-9](_?[0-9])*)?\\b"
            - constant.string:
                start: '"'
                end: '"'
                skip: "\\\\."
                rules:
                    - constant.specialChar: "\\\\."

    - constant.string:
        start: '"'
        end: '"'
        skip: "\\\\."
        rules:
            - constant.specialChar: "\\\\."

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