implement quote, eval

1 files changed, 12 insertions, 0 deletions

diff --git a/neb/interpreter.py b/neb/interpreter.py
index 7045219..d190ca2 100644
--- a/neb/interpreter.py
+++ b/neb/interpreter.py
@@ -868,3 +868,15 @@ def interpretUserSymbols(symbol, args, env, ns):
     return List(keys, True)
 
 GLOBALS.register("user-symbols", Builtin(interpretUserSymbols, []))
+
+def interpretQuote(symbol, args, env, ns):
+    return args[0]
+
+quote_arg = Arg("arg", TypeEnum.ANY, lazy=True)
+GLOBALS.register("quote", Builtin(interpretQuote, [quote_arg]))
+
+def interpretEval(symbol, args, env, ns):
+    return evaluate(args[0], env, ns) # TODO why do i have to explicitly evaluate here?
+
+eval_arg = Arg("arg", TypeEnum.ANY)
+GLOBALS.register("eval", Builtin(interpretEval, [eval_arg]))