hackc: parse variable declaration

Also add a handful of overloading operators to Token

1 files changed, 10 insertions, 0 deletions

diff --git a/projects/hackc/utils.py b/projects/hackc/utils.py
index d1ea3ca..4861088 100644
--- a/projects/hackc/utils.py
+++ b/projects/hackc/utils.py
@@ -4,6 +4,16 @@ EXIT_CODE_FILE_ERROR = 1
 EXIT_CODE_INVALID_TOKEN = 2
 EXIT_CODE_SYNTAX_ERROR = 4
 
+# vim autoindent misbehaves if I type these verbatim in strings
+LEFT_BRACE = "{"
+RIGHT_BRACE = "}"
+
+class JackSyntaxError(Exception):
+    def __init__(self, msg, token):
+        self.message = msg
+        self.token = token
+        super().__init__(msg)
+
 
 def print_err(msg):
     print(msg, file=stderr)