Re-add the repl, and a bunch of stdlib glue.

1 files changed, 33 insertions, 0 deletions

diff --git a/bin/actinide-repl b/bin/actinide-repl
new file mode 100755
index 0000000..de19617
--- /dev/null
+++ b/bin/actinide-repl
@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+
+import sys
+
+import actinide as a
+import actinide.ports as ap
+import actinide.types as at
+
+def repl(session, port):
+    while True:
+        try:
+            sys.stdout.write("> ")
+            sys.stdout.flush()
+            form = session.read(port)
+            if form is None:
+                print()
+                return 0
+            results = session.eval(form)
+            print(*(at.display(result) for result in results))
+        except Exception as e:
+            print(e)
+        except KeyboardInterrupt:
+            print()
+            print("(Interrupted)")
+
+def main():
+    port = ap.Port(sys.stdin)
+    session = a.Session()
+
+    return repl(session, port)
+
+if __name__ == '__main__':
+    sys.exit(main())