Prism.languages.haxe = Prism.languages.extend('clike', {
  // Strings can be multi-line
  string: {
    pattern: /(["'])(?:(?!\1)[^\\]|\\[\s\S])*\1/,
    greedy: true,
    inside: {
      interpolation: {
        pattern: /(^|[^\\])\$(?:\w+|\{[^}]+\})/,
        lookbehind: true,
        inside: {
          interpolation: {
            pattern: /^\$\w*/,
            alias: 'variable',
          },
          // See rest below
        },
      },
    },
  },
  // The final look-ahead prevents highlighting of keywords if expressions such as "haxe.macro.Expr"
  keyword: /\bthis\b|\b(?:abstract|as|break|case|cast|catch|class|continue|default|do|dynamic|else|enum|extends|extern|from|for|function|if|implements|import|in|inline|interface|macro|new|null|override|public|private|return|static|super|switch|throw|to|try|typedef|using|var|while)(?!\.)\b/,
  operator: /\.{3}|\+\+?|-[->]?|[=!]=?|&&?|\|\|?|<[<=]?|>[>=]?|[*\/%~^]/,
});
Prism.languages.insertBefore('haxe', 'class-name', {
  regex: {
    pattern: /~\/(?:[^\/\\\r\n]|\\.)+\/[igmsu]*/,
    greedy: true,
  },
});
Prism.languages.insertBefore('haxe', 'keyword', {
  preprocessor: {
    pattern: /#\w+/,
    alias: 'builtin',
  },
  metadata: {
    pattern: /@:?\w+/,
    alias: 'symbol',
  },
  reification: {
    pattern: /\$(?:\w+|(?=\{))/,
    alias: 'variable',
  },
});
Prism.languages.haxe['string'].inside[
  'interpolation'
].inside.rest = Prism.util.clone(Prism.languages.haxe);
delete Prism.languages.haxe['class-name'];
