1 files changed, 27 insertions, 0 deletions
diff --git a/docs/history/17-o3-boundaries/code/examples/repl.zc b/docs/history/17-o3-boundaries/code/examples/repl.zc
new file mode 100644
index 0000000..b7b81b8
--- /dev/null
+++ b/docs/history/17-o3-boundaries/code/examples/repl.zc
@@ -0,0 +1,27 @@
+// a repl on the resident compiler: each backtick-separated chunk of input is
+// compiled as a function body and run. definitions (fn ...) can be loaded too:
+// a chunk that starts with "fn" goes through load instead of eval.
+let buf[4000];
+fn readchunk()
+{
+	let n = 0, c;
+	while (!eof()) {
+		c = getc();
+		if (c == 96) break;
+		if (n < 3999) { buf[n] = c; n++; }
+	}
+	buf[n] = 0;
+	return n;
+}
+fn main()
+{
+	let q, i;
+	while (!eof()) {
+		readchunk();
+		q = tokens(buf);
+		if (q[0] && q[1] == T_ID && q[2] == intern("fn")) load(q);
+		else eval(q);
+		free(d*q);
+	}
+	return 0;
+}