From: Brian Norris <banorris@uci.edu>
Date: Sat, 15 Dec 2012 00:31:49 +0000 (-0800)
Subject: nodestack: add const
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=cdsspec-compiler.git;a=commitdiff_plain;h=8ea66f246f18e3a92e279a9ba49c29beb2d8ef52

nodestack: add const
---

diff --git a/nodestack.cc b/nodestack.cc
index 11b83cc..2f99aef 100644
--- a/nodestack.cc
+++ b/nodestack.cc
@@ -386,7 +386,8 @@ int Node::get_read_from_size() const
 	return may_read_from.size();
 }
 
-const ModelAction * Node::get_read_from_at(int i) {
+const ModelAction * Node::get_read_from_at(int i) const
+{
 	return may_read_from[i];
 }
 
diff --git a/nodestack.h b/nodestack.h
index d7c1368..94bb58e 100644
--- a/nodestack.h
+++ b/nodestack.h
@@ -89,7 +89,7 @@ public:
 	bool increment_read_from();
 	bool read_from_empty() const;
 	int get_read_from_size() const;
-	const ModelAction * get_read_from_at(int i);
+	const ModelAction * get_read_from_at(int i) const;
 
 	void set_promise(unsigned int i, bool is_rmw);
 	bool get_promise(unsigned int i) const;
@@ -114,9 +114,9 @@ public:
 private:
 	void explore(thread_id_t tid);
 
-	ModelAction *action;
-	Node *parent;
-	int num_threads;
+	ModelAction * const action;
+	Node * const parent;
+	const int num_threads;
 	std::vector< bool, ModelAlloc<bool> > explored_children;
 	std::vector< bool, ModelAlloc<bool> > backtrack;
 	std::vector< struct fairness_info, ModelAlloc< struct fairness_info> > fairness;