From: Brian Norris <banorris@uci.edu>
Date: Tue, 11 Sep 2012 17:19:10 +0000 (-0700)
Subject: nodestack: add get_read_from_size()
X-Git-Tag: pldi2013~223^2~9
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=model-checker.git;a=commitdiff_plain;h=f644ed02e576e600c6c562dd8324890aa6dedc08

nodestack: add get_read_from_size()
---

diff --git a/nodestack.cc b/nodestack.cc
index 2ebfc71..71af6ef 100644
--- a/nodestack.cc
+++ b/nodestack.cc
@@ -221,6 +221,10 @@ uint64_t Node::get_future_value() {
 	return future_values[future_index];
 }
 
+int Node::get_read_from_size() {
+	return may_read_from.size();
+}
+
 /**
  * Gets the next 'may_read_from' action from this Node. Only valid for a node
  * where this->action is a 'read'.
diff --git a/nodestack.h b/nodestack.h
index b440b11..8b4d7ae 100644
--- a/nodestack.h
+++ b/nodestack.h
@@ -64,6 +64,7 @@ public:
 	const ModelAction * get_read_from();
 	bool increment_read_from();
 	bool read_from_empty();
+	int get_read_from_size();
 
 	void set_promise(unsigned int i);
 	bool get_promise(unsigned int i);