filetype: kotlin

detect:
    filename: "\\.kts?$"

rules:
     
    # Operators
    - symbol.operator: ([.:;,+*|=!?\\%]|<|>|/|-|&)
       
    # Statements Keywords
    - statement: \b(as|by|class|constructor|companion|const|fun|import|in|infix|interface|inline|is|out|operator|package|return|suspend|super|this|when|val|var)\b
    - statement.properties: \b(get|set)\b
    - statement.control: \b(break|continue|else|do|if|try|catch|finally|for|while)\b
    - statement.class: \b(abstract|annotation|data|enum|final|open|sealed)\b
    - statement.member: \b(override|lateinit|init)\b
    - statement.access: \b(internal|private|protected|public)\b
    - statement.parameter: \b(crossinline|noinline|reified|vararg)\b
    
    # Expression and types
    - type: \b(dynamic|object|throw|typealias)\b 

    # Meta
    - statement.meta: \@(\bfile|delegate|field|get|property|receiver|set|setparam|param|)\b

    # Constant
    - constant: \b(true|false|null)
    - constant.number: ([0-9]+)
    
    # Storage Types
    - type.storage: \b(Byte|UByte|Char|Double|Float|Int|UInt|Long|ULong|Short|UShort|Boolean|Unit|Nothing)\b
    
    # Collections
    - type.collections: \b(Array)\b

     # String
    - constant.string:
        start: \"
        end: \"
        skip: \\.
        rules:
            - constant.specialChar: (\\0|\\\\|\\t|\\n|\\r|\\"|\\')
            - constant.unicode: \\u\{[[:xdigit:]]+}

    # Shebang Line
    - comment.shebang: ^(#!).*
    
    # Line Comment
    - comment.line: "//.*"
    
    # Block Comment
    - comment.block:
        start: "/\\*"
        end: "\\*/"
        rules:
            - todo: "(TODO|XXX|FIXME):?"
      
    # Doc Block Comment
    - comment.block:
        start: "/\\*\\*"
        end: "\\*/"
        rules:
            - todo: "(TODO|XXX|FIXME):?"

    # Todo
    - todo: "(TODO|XXX|FIXME):?"