[jackhill/mal.git] / process / step1_read_print.txt

--- step1_read_print ----------------------------
import reader, printer

READ(str): return reader.read_str(str)

EVAL(ast,env): return ast

PRINT(exp): return printer.pr_str(exp)

rep(str): return PRINT(EVAL(READ(str),""))

main loop:
  try:      println(rep(readline("user> ")))
  catch e:  println("Error: ", e)
Commit	Line	Data
f5223195 JM	1	--- step1_read_print ----------------------------
	2	import reader, printer
	3
	4	READ(str): return reader.read_str(str)
	5
	6	EVAL(ast,env): return ast
	7
	8	PRINT(exp): return printer.pr_str(exp)
	9
	10	rep(str): return PRINT(EVAL(READ(str),""))
	11
	12	main loop:
	13	try: println(rep(readline("user> ")))
	14	catch e: println("Error: ", e)