refactor: better error messages

1 files changed, 10 insertions, 0 deletions

diff --git a/exceptions.py b/exceptions.py
new file mode 100644
index 0000000..98395ac
--- /dev/null
+++ b/exceptions.py
@@ -0,0 +1,10 @@
+class NebPanic(BaseException):
+    pass
+
+class InterpretPanic(NebPanic):
+    def __init__(self, sym, msg, arg=None):
+        big_message = f"[{sym.line}] '{sym.name}': {msg}"
+        if arg is not None:
+            big_message += f" ({arg})"
+        super().__init__(big_message)
+