From 6d50d5b97d49a74a8faf587ec2bbf234626adf0c Mon Sep 17 00:00:00 2001
From: Nicholas Noll <nbnoll@eml.cc>
Date: Tue, 19 Oct 2021 14:16:54 -0700
Subject: Feat(rc): added subshell commands and cd builtin

Slowly chipping away at a decent feature list.
Subshell commands are executed by @{ ... }.
---
 sys/cmd/rc/code.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'sys/cmd/rc/code.c')

diff --git a/sys/cmd/rc/code.c b/sys/cmd/rc/code.c
index 719e63b..38cc06a 100644
--- a/sys/cmd/rc/code.c
+++ b/sys/cmd/rc/code.c
@@ -110,6 +110,18 @@ walk(Tree *node)
         storepc(addr);
         break;
 
+    case Tsubshell:
+        emitf(Xsubshell);
+        addr = emiti(0);
+        walk(node->child[0]);
+        emitf(Xexit);
+        storepc(addr);
+        break;
+
+    case Tbang:
+        walk(node->child[0]);
+        emitf(Xbang);
+
     case Tword:
         emitf(Xword);
         emits(strdup(node->str));
-- 
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