filetype: zig

detect:
    filename: "\\.zig$"

rules:
      # Reserved words
    - statement: "\\b(align|allowzero|and|asm|async|await|break|callconv|catch|comptime|const|continue|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: "\\b(anyframe|anytype|anyerror|bool|comptime_int|comptime_float|enum|f(16|32|64|128)|isize|noreturn|struct|type|union|usize|void)\\b"
    - type: "\\b(c_u?(short|int|long(long)?)|c_longdouble|c_void)\\b"
    - type: "\\b((i|u)[0-9]+)\\b"

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

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

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

    - constant.string:
        start: "\""
        end: "\""
        skip: "\\\\."
        rules:
            - constant.specialChar: "\\\\([nrt\\\\'\"]|x[a-fA-F0-9]{2}|u{[a-fA-F0-9]+})"

    - constant.string:
        start: "'"
        end: "'"
        skip: "\\\\."
        rules:
            - error: "..+"
            - constant.specialChar: "\\\\([nrt\\\\'\"]|x[a-fA-F0-9]{2}|u{[a-fA-F0-9]+})"

    - constant.string:
        start: "\\\\\\\\"
        end: "$"
        skip: "\\\\."
        rules:
            - constant.specialChar: "\\\\([nrt\\\\'\"]|x[a-fA-F0-9]{2}|u{[a-fA-F0-9]+})"
    
    - comment:
        start: "//"
        end: "$"
        rules:
            - todo: "(TODO|XXX|FIXME):?"