Enable importing other source files

smnp/main.py

@@ -1,28 +1,15 @@
 import sys
 
-from smnp.ast.parser import parse
-from smnp.environment.factory import createEnvironment
 from smnp.error.base import SmnpException
-from smnp.runtime.evaluator import evaluate
-from smnp.token.tokenizer import tokenize
+from smnp.program.interpreter import Interpreter
 
 
 def main():
     try:
-        with open(sys.argv[1], 'r') as source:
-            lines = [line.rstrip('\n') for line in source.readlines()]
-
-        tokens = tokenize(lines)
-
-        ast = parse(tokens)
-
-        ast.print()
-
-        env = createEnvironment()
-
-        evaluate(ast, env)
+        Interpreter.interpretFile(sys.argv[1])
 
     except SmnpException as e:
         print(e.message())
+
     except KeyboardInterrupt:
         print("Program interrupted")