Method String

go/parser/ast/expr.go:175–196

()

}

func (e *Expr) String() string {
	if !e.IsLiteral() { /* a compound expression */
		switch {
		case e.IsBinary():
			return fmt.Sprintf("%s %s %s", e.sexp[1], e.sexp[0].value, e.sexp[2])
		case e.IsUnary():
			return fmt.Sprintf("%s %s", e.sexp[0], e.sexp[1])
		case e.IsVariadic():
			switch t := e.sexp[0].token; t {
			case '[':
				return "[" + strings.Join(e.cdr(), ", ") + "]"
			case '(':
				return "(" + strings.Join(e.cdr(), ", ") + ")"
			default:
				panic(fmt.Errorf("Stringize compound expression with unknown token %d", t))
			}
		case e.IsFuncall(): /* function call */
			return e.sexp[0].value + "(" + strings.Join(e.cdr(), ", ") + ")"
		}
	}
	return fmt.Sprintf("%s", e.value)
}

/* Like Lisp's builtin function cdr. */
func (e *Expr) cdr() (r []string) {