Method decorate

sup/parser-values.go:78–103

(any ast.Any, err error)

}

func (p *Parser) decorate(any ast.Any, err error) (ast.Value, error) {
	if err != nil {
		return nil, err
	}
	// See if there's a first decorator.
	val, ok, err := p.matchDecorator(any, nil)
	if err != nil {
		return nil, err
	}
	if !ok {
		// No decorator.  Just return the input value.
		return anyAsValue(any), nil
	}
	// Now see if there are additional decorators to apply as casts and
	// return value chain, wrapped if at all, as an ast.Value.
	for {
		outer, ok, err := p.matchDecorator(nil, val)
		if err != nil {
			return nil, err
		}
		if !ok {
			return val, nil
		}
		val = outer
	}
}

// We pass both any and val in here to avoid having to backtrack.
// If we had proper backtracking, this would look a little more sensible.