boom

Calculator.py

@@ -0,0 +1,36 @@
+from interpeter import Interpeter
+from ParserError import ParserError
+from lexer import Lexer
+import traceback
+from parser_ import Parser
+# 1 % [2 + !3 * 8] @ 2 $ -321.123 - ~12 + 221 & 1000 ^ -1
+
+def main():
+
+	while True:
+
+		try:
+			expr = input("> ")
+			expr = Parser.strip_str(expr)
+			lexer = Lexer(expr)
+			tokens = lexer.generate_tokens()
+			parser = Parser(tokens)
+			tree = parser.parse()
+			if not tree: continue
+			interpeter = Interpeter()
+			value = interpeter.visit(tree)
+			print(value)
+
+
+		except ParserError as e:
+			print("ParserError: ", str(e))
+
+		except Exception as e:
+			print(type(e), end ='')
+			print(" occured\n" + str(e))
+			traceback.print_exc()
+
+
+
+if __name__ == '__main__':
+	main()