From aff0ed00342d9c1602388f3628db8672bb19a35f Mon Sep 17 00:00:00 2001
From: Raymon Zutekouw <40148684+Raymonzut@users.noreply.github.com>
Date: Fri, 7 Jan 2022 14:07:28 +0100
Subject: [PATCH] Implement copy

---
 src/main.rs | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/main.rs b/src/main.rs
index 1d7bf41..1a7ca13 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -162,7 +162,24 @@ fn to_bf(rule: Rule, operand: &str, state: &mut State, out: &mut Builder) {
         Rule::copy => {
             let variable_name = operand;
             println!("Copy to variable '{}'", variable_name);
-            out.append("copy\n");
+            let source_address = state.mem_pointer.to_string();
+            to_bf(Rule::var, "__temp", state, out);
+            out.append("[");
+            to_bf(Rule::sub, "1", state, out);
+            to_bf(Rule::point, variable_name, state, out);
+            to_bf(Rule::add, "1", state, out);
+            to_bf(Rule::point, "__temp", state, out);
+            to_bf(Rule::add, "1", state, out);
+            to_bf(Rule::pointa, &source_address, state, out);
+            out.append("]");
+            to_bf(Rule::point, "__temp", state, out);
+            out.append("[");
+            to_bf(Rule::sub, "1", state, out);
+            to_bf(Rule::pointa, &source_address, state, out);
+            to_bf(Rule::add, "1", state, out);
+            to_bf(Rule::point, "__temp", state, out);
+            out.append("]");
+            to_bf(Rule::delvar, "__temp", state, out);
         }
         Rule::setz => {
             println!("Set current variable to zero");