From dc92f67588ebe7f4122b90f1edcbfe5aa419f9ad Mon Sep 17 00:00:00 2001
From: Leonardo de Moura <leonardo@microsoft.com>
Date: Mon, 6 Oct 2014 08:42:20 -0700
Subject: [PATCH] feat(frontends/lean/server): CLEAR_CACHE forces buffer to be
 reprocessed

---
 src/frontends/lean/server.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/frontends/lean/server.cpp b/src/frontends/lean/server.cpp
index 9880d1356..9eaca1d02 100644
--- a/src/frontends/lean/server.cpp
+++ b/src/frontends/lean/server.cpp
@@ -872,7 +872,10 @@ bool server::operator()(std::istream & in) {
                 read_line(in, line);
                 eval(line);
             } else if (is_command(*g_clear_cache, line)) {
+                interrupt_worker();
                 m_cache.clear();
+                if (m_file)
+                    process_from(0);
             } else if (is_command(*g_options, line)) {
                 show_options();
             } else if (is_command(*g_wait, line)) {