package scala
package reflect
package macros

/**
 * <span class="badge badge-red" style="float: right;">EXPERIMENTAL</span>
 *
 *  A slice of [[scala.reflect.macros.blackbox.Context the Scala macros context]] that
 *  exposes functions to parse strings with Scala code into trees.
 */
trait Parsers {
  self: blackbox.Context =>

  /** Parses a string with a Scala expression into an abstract syntax tree.
   *  Only works for expressions, i.e. parsing a package declaration will fail.
   *  @throws [[scala.reflect.macros.ParseException]]
   */
  def parse(code: String): Tree
}

/** Indicates an error during [[scala.reflect.macros.Parsers#parse]].
 */
case class ParseException(pos: scala.reflect.api.Position, msg: String) extends Exception(msg)
