hackc: parse variable declaration

Also add a handful of overloading operators to Token

1 files changed, 13 insertions, 0 deletions

diff --git a/projects/hackc/tokens.py b/projects/hackc/tokens.py
index 50c4173..1ed94ae 100644
--- a/projects/hackc/tokens.py
+++ b/projects/hackc/tokens.py
@@ -26,6 +26,7 @@ KEYWORDS = [
 SYMBOLS = "{}()[].,;+-*/&|<>=~"
 TOKEN_TYPES = ["keyword", "symbol", "integer", "string", "identifier"]
 
+
 class Token:
     def __init__(self, type: str, token: str, line_no: int, column: int):
         """A token in JACK."""
@@ -34,6 +35,18 @@ class Token:
         self.line_no = line_no
         self.column = column
 
+    def __len__(self) -> int:
+        return self.length()
+
+    def __eq__(self, other) -> bool:
+        if type(other) == str:
+            return self.token == other
+        if type(other) == Token:
+            return self.token == other.token
+
+    def __str__(self) -> str:
+        return self.token
+
     @classmethod
     def from_line(cls, line: str, line_no: int, column: int, extensions=[]):
         """Extract first token from line and return it as an instance of Token."""