starting work on math instructions and added support for negative numbers and maybe floats

tokenizer.py

@@ -234,7 +234,10 @@ def tokenize(input_string: str):
 
 			if current_char == "\n":
 				traceback(input_string, "SyntaxError", "Expected a type", line, column, column)
-				
+
+			is_number = False
+			if current_char in digits:
+				is_number = True
 
 			start_col = column
 			while pos < len(input_string):
@@ -246,16 +249,30 @@ def tokenize(input_string: str):
 					line += 1
 					column = 1
 					break
+				if is_number and not current_char in digits+".":
+					traceback(input_string, "SyntaxError", "Malformed number.", line, start_col, column)
 
 				current_token += current_char
 
 				pos += 1
 				column += 1
 			
-			tokens.append(Token(
-				TokenType.TYPE,
-				value=current_token
-			))
+			if not is_number:
+				tokens.append(Token(
+					TokenType.TYPE,
+					value=current_token
+				))
+			else:
+				if "." in current_token:
+					tokens.append(Token(
+						TokenType.FLOAT,
+						value=float("-"+current_token)
+					))
+				else:
+					tokens.append(Token(
+						TokenType.INTEGER,
+						value=int("-"+current_token)
+					))
 
 			current_token = ""
 		elif current_char == "@":
@@ -423,7 +440,7 @@ def tokenize(input_string: str):
 						#column += 1
 					break
 				
-				if not current_char in digits:
+				if not current_char in digits + ".":
 					traceback(input_string, "SyntaxError", "Malformed number.", line, start_col, column)