Add support for negative numbers

2019-05-03 14:41:36 +02:00 · 2019-05-03 14:41:36 +02:00 · f6e03b934c
parent 95edb52c87
commit f6e03b934c
1 changed files with 3 additions and 0 deletions
--- a/lexer.py
+++ b/lexer.py
@ -74,6 +74,9 @@ class Lexer():

 			elif self.current_char == '-':
 				self.advance()
+				if self.current_char.isdigit():
+					return Token(NUMBER, -self.number())
+
 				return Token(MINUS, operator.sub)

 			elif self.current_char == '*':