Assumes data pointed by given parameter is an anvil script and formats and outputs it accordingly. If optional handler is given it may contain any number of predefined callbacks, which should output representation of element they reflect.

• onWhitespace(line, column, image) - called on whitespace sequences
• onComment(line, column, image) - called on comments
• onString(line, column, image) - called on strings literals
• onNumber(line, column, image) - called on number literals
• onPattern(line, column, image) - called on pattern literals
• onSymbol(line, column, image) - called on symbols
• onDelimiter(line, column, image) - called on delimiter operator
• onOperator(line, column, image) - called on operator
• onOperatorKeyword(line, column, image) - called on operator keyword
• onKeyword(line, column, image) - called on keyword
• onDefault(line, column, image) - called on anything else

Handler may be:

• class instance, returning functions or method delegates
• scope of functions (module, namespace, class, interface)
• array of functions or delegates