From 7de7b7c35d385a48c7bea5e63a98687664cab9c8 Mon Sep 17 00:00:00 2001
From: Petr Rockai <me@mornfall.net>
Date: Mon, 24 Jun 2019 22:25:37 +0000
Subject: [PATCH] MC: Add a context module for tracking a path condition.
---
divine/mc/ctx-assume.hpp | 48 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)
create mode 100644 divine/mc/ctx-assume.hpp
diff --git a/divine/mc/ctx-assume.hpp b/divine/mc/ctx-assume.hpp
new file mode 100644
index 000000000..64a5e01f0
--- /dev/null
+++ b/divine/mc/ctx-assume.hpp
@@ -0,0 +1,48 @@
+// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+
+/*
+ * (c) 2019 Petr RoÄŤkai <code@fixp.eu>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#pragma once
+#include <divine/vm/types.hpp>
+#include <divine/vm/pointer.hpp>
+#include <divine/smt/extract.hpp>
+#include <brick-compose>
+
+namespace divine::mc
+{
+ template< typename next >
+ struct ctx_assume_ : next
+ {
+ vm::HeapPointer _assume;
+
+ using next::trace;
+ void trace( vm::TraceAssume ta )
+ {
+ _assume = ta.ptr;
+ if ( this->debug_allowed() )
+ {
+ brick::smt::Context ctx;
+ smt::extract::SMTLib2 extract( this->heap(), ctx, "", false );
+ auto assume = extract.read( ta.ptr );
+ auto n = extract.convert( assume->binary.left );
+ trace( "ASSUME " + to_string( n ) );
+ }
+ }
+ };
+
+ using ctx_assume = brq::module< ctx_assume_ >;
+}
--
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