Create if-else expression

smnp/token/tokenizer.py

@@ -51,9 +51,11 @@ tokenizers = (
     separated(defaultTokenizer(TokenType.EXTEND)),
     separated(defaultTokenizer(TokenType.IMPORT)),
     separated(defaultTokenizer(TokenType.FROM)),
+    separated(defaultTokenizer(TokenType.ELSE)),
     separated(defaultTokenizer(TokenType.AND)),
     separated(defaultTokenizer(TokenType.NOT)),
     separated(defaultTokenizer(TokenType.AS)),
+    separated(defaultTokenizer(TokenType.IF)),
     separated(defaultTokenizer(TokenType.OR)),
 
     # Identifier (couldn't be before keywords!)

smnp/token/type.py

@@ -36,6 +36,8 @@ class TokenType(Enum):
     EXTEND = 'extend'
     IMPORT = 'import'
     FROM = 'from'
+    ELSE = 'else'
+    IF = 'if'
     AS = 'as'
     IDENTIFIER = 'identifier'
     COMMENT = 'comment'