Function hookVar

static/editor.md/lib/codemirror/mode/sql/sql.js:221–245

(stream)

  // variable token
  function hookVar(stream) {
    // variables
    // @@prefix.varName @varName
    // varName can be quoted with ` or ' or "
    // ref: http://dev.mysql.com/doc/refman/5.5/en/user-variables.html
    if (stream.eat("@")) {
      stream.match(/^session\./);
      stream.match(/^local\./);
      stream.match(/^global\./);
    }

    if (stream.eat("'")) {
      stream.match(/^.*'/);
      return "variable-2";
    } else if (stream.eat('"')) {
      stream.match(/^.*"/);
      return "variable-2";
    } else if (stream.eat("`")) {
      stream.match(/^.*`/);
      return "variable-2";
    } else if (stream.match(/^[0-9a-zA-Z$\.\_]+/)) {
      return "variable-2";
    }
    return null;
  };

  // short client keyword token
  function hookClient(stream) {