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mirror of https://github.com/kanaka/mal.git synced 2024-09-19 09:38:28 +03:00
mal/impls/rpython/step0_repl.py
Joel Martin 8a19f60386 Move implementations into impls/ dir
- Reorder README to have implementation list after "learning tool"
  bullet.

- This also moves tests/ and libs/ into impls. It would be preferrable
  to have these directories at the top level.  However, this causes
  difficulties with the wasm implementations which need pre-open
  directories and have trouble with paths starting with "../../". So
  in lieu of that, symlink those directories to the top-level.

- Move the run_argv_test.sh script into the tests directory for
  general hygiene.
2020-02-10 23:50:16 -06:00

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878 B
Python

#import sys, traceback
import mal_readline
# read
def READ(str):
return str
# eval
def EVAL(ast, env):
#print("EVAL %s" % printer._pr_str(ast))
return ast
# print
def PRINT(exp):
return exp
# repl
def REP(str):
return PRINT(EVAL(READ(str), {}))
def entry_point(argv):
#mal_readline.init()
while True:
try:
line = mal_readline.readline("user> ")
if line == "": continue
print(REP(line))
except EOFError as e:
break
except Exception as e:
print("Error: %s" % e)
#print("".join(traceback.format_exception(*sys.exc_info())))
return 0
# _____ Define and setup target ___
def target(*args):
return entry_point
# Just run entry_point if not RPython compilation
import sys
if not sys.argv[0].endswith('rpython'):
entry_point(sys.argv)