Prism.languages.gdscript = {
  comment: /#.*/,
  string: {
    pattern:
      /@?(?:("|')(?:(?!\1)[^\n\\]|\\[\s\S])*\1(?!"|')|"""(?:[^\\]|\\[\s\S])*?""")/,
    greedy: true,
  },
  'class-name': {
    // class_name Foo, extends Bar, class InnerClass
    // export(int) var baz, export(int, 0) var i
    // as Node
    // const FOO: int = 9, var bar: bool = true
    // func add(reference: Item, amount: int) -> Item:
    pattern:
      /(^(?:class|class_name|extends)[ \t]+|^export\([ \t]*|\bas[ \t]+|(?:\b(?:const|var)[ \t]|[,(])[ \t]*\w+[ \t]*:[ \t]*|->[ \t]*)[a-zA-Z_]\w*/m,
    lookbehind: true,
  },
  keyword:
    /\b(?:and|as|assert|break|breakpoint|class|class_name|const|continue|elif|else|enum|export|extends|for|func|if|in|is|master|mastersync|match|not|null|onready|or|pass|preload|puppet|puppetsync|remote|remotesync|return|self|setget|signal|static|tool|var|while|yield)\b/,
  function: /\b[a-z_]\w*(?=[ \t]*\()/i,
  variable: /\$\w+/,
  number: [
    /\b0b[01_]+\b|\b0x[\da-fA-F_]+\b|(?:\b\d[\d_]*(?:\.[\d_]*)?|\B\.[\d_]+)(?:e[+-]?[\d_]+)?\b/,
    /\b(?:INF|NAN|PI|TAU)\b/,
  ],
  constant: /\b[A-Z][A-Z_\d]*\b/,
  boolean: /\b(?:false|true)\b/,
  operator: /->|:=|&&|\|\||<<|>>|[-+*/%&|!<>=]=?|[~^]/,
  punctuation: /[.:,;()[\]{}]/,
};