From: Brian Norris <banorris@uci.edu>
Date: Mon, 14 May 2012 18:16:44 +0000 (-0700)
Subject: action: add comparison operator for ModelAction
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=5cc76af4d9e0d18759c88218c185fad7ab033822;p=cdsspec-compiler.git

action: add comparison operator for ModelAction

The operator simply compares the sequence number. Useful for some simple
model-checking tests.
---

diff --git a/action.h b/action.h
index 530436d..9ba9c63 100644
--- a/action.h
+++ b/action.h
@@ -29,7 +29,7 @@ public:
 	action_type get_type() { return type; }
 	memory_order get_mo() { return order; }
 	void * get_location() { return location; }
-	int get_seq_number() { return seq_number; }
+	int get_seq_number() const { return seq_number; }
 
 	TreeNode * get_treenode() { return treenode; }
 	void set_node(TreeNode *n) { treenode = n; }
@@ -42,6 +42,13 @@ public:
 	bool same_var(ModelAction *act);
 	bool same_thread(ModelAction *act);
 	bool is_dependent(ModelAction *act);
+
+	inline bool operator <(const ModelAction& act) const {
+		return get_seq_number() < act.get_seq_number();
+	}
+	inline bool operator >(const ModelAction& act) const {
+		return get_seq_number() > act.get_seq_number();
+	}
 private:
 	action_type type;
 	memory_order order;