update parser

server/src/tools/parser.py

@@ -0,0 +1,9 @@
+class _Word:
+    def __init__(self):
+        self.segements = []
+        self.current_segment = ""
+        self.current_start = None
+
+    def add_tok(self, tok):
+        if self.current_start is None:
+            self.current_start = tok.value[1]