Exclamation language to brainf*ck language converter.

ec2bf.py

#!/usr/bin/python
from __future__ import with_statement
import sys

"""
Exclamation language to Brainf*ck langage converter.
30 6 2013 Hiroki Ito

Exclamation programs can be translated into Brainf*ck using these substitutions

exclamation bf  C
!  		+	++*ptr;
!!			>	++ptr;
!!!			<	--ptr;
!!!!		-	--*ptr;
!!!!!		.	putchar(*ptr);
!!!!!!		,	*ptr=getchar();
!!!!!!!		[	while (*ptr) {
!!!!!!!!	]	}
"""

if(1 == len(sys.argv)):
	print "usage ec2bf exclamation_filename"
	sys.exit(0)

with open(sys.argv[1]) as ec_file:
	tokens = ec_file.read().split(" ")
	buf = ""
	for t in tokens:
		if '!' == t:
			buf += '+'
		elif '!!' == t:
			buf += '>'
		elif '!!!' == t:
			buf += '<'
		elif '!!!!' == t:
			buf += '-'
		elif '!!!!!' == t:
			buf += '.'
		elif '!!!!!!' == t:
			buf += ','
		elif '!!!!!!!' == t:
			buf += '['
		elif '!!!!!!!!' == t:
			buf += ']'
		else:
			pass
	print buf