Add a way to run the programs

README

@@ -10,3 +10,5 @@ To produce a tape usable by the step command, input your tape in the form:
 
 Which says there is a tape with 5 cells, second from right being 1 and all
 others being 0, and the tape head is in the middle of this tape
+
+You can also run the compiled result by giving sf2xed.py the -r argument.

sf2xed.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 import enum
+import sys
 from collections import namedtuple
 
 class actions(enum.Enum):
@@ -264,7 +265,26 @@ def process_tape(tape, processed):
 
 	return ' '.join(processed_tape) + ' z'
 
+def run_replacements(replacements, processed_tape):
+	while True:
+		made_replacement = False
+		for start, end in replacements:
+			if start in processed_tape:
+				processed_tape = processed_tape.replace(start, end)
+				made_replacement = True
+				break
+
+		if not made_replacement:
+			break
+
+		print(processed_tape)
+
 def main():
+	if len(sys.argv) == 2 and sys.argv[1] == '-r':
+		run = True
+	else:
+		run = False
+
 	program = input('program: ')
 
 	start_noreachability, states_noreachability = turingify(parse_smallfuck(program))
@@ -278,7 +298,11 @@ def main():
 		tape = input('tape: ')
 		if tape == '': break
 		tape = tape.split(' ')
-		print(process_tape(tape, processed))
+		processed_tape = process_tape(tape, processed)
+		print(processed_tape)
+
+		if run:
+			run_replacements(replacements, processed_tape)
 
 if __name__ == '__main__':
 	main()