From c656a98d3e33fc6a035224f7e5d596e17a427f6d Mon Sep 17 00:00:00 2001
From: Antoine Viallon <antoine@lesviallon.fr>
Date: Fri, 12 May 2023 01:22:00 +0200
Subject: [PATCH] nodes: prevent infinite recursion in repr

---
 compiler/nodes.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/compiler/nodes.py b/compiler/nodes.py
index 6fb0be6..941ed9a 100644
--- a/compiler/nodes.py
+++ b/compiler/nodes.py
@@ -18,6 +18,7 @@ class Node:
 
     def __init__(self):
         self.context: semantic.Context | None = None
+        self._repr_guard: bool = False
 
     @abstractmethod
     def _values(self) -> list[Node | Any]:
@@ -32,11 +33,15 @@ class Node:
         return loc
 
     def __repr__(self):
+        if self._repr_guard:
+            return self.__class__.__name__
+        self._repr_guard = True
         vals = self._values()
         if type(vals) == list:
             vals = ", ".join(repr(val) for val in vals)
         else:
             vals = repr(vals)
+        self._repr_guard = False
         return f"{self.__class__.__name__}({vals})"
 
     def pprint(self, depth: int | None = None, indent: str = "\t"):