1 files changed, 38 insertions, 0 deletions
diff --git a/third_party/checker_framework_dataflow/java/org/checkerframework/dataflow/cfg/block/RegularBlock.java b/third_party/checker_framework_dataflow/java/org/checkerframework/dataflow/cfg/block/RegularBlock.java
new file mode 100644
index 0000000000..d29d7f1ec0
--- /dev/null
+++ b/third_party/checker_framework_dataflow/java/org/checkerframework/dataflow/cfg/block/RegularBlock.java
@@ -0,0 +1,38 @@
+package org.checkerframework.dataflow.cfg.block;
+
+import java.util.List;
+
+import org.checkerframework.dataflow.cfg.node.Node;
+
+/**
+ * A regular basic block that contains a sequence of {@link Node}s.
+ *
+ * <p>
+ *
+ * The following invariant holds.
+ *
+ * <pre>
+ * forall n in getContents() :: n.getBlock() == this
+ * </pre>
+ *
+ * @author Stefan Heule
+ *
+ */
+public interface RegularBlock extends SingleSuccessorBlock {
+
+    /**
+     * @return the unmodifiable sequence of {@link Node}s.
+     */
+    List<Node> getContents();
+
+    /**
+     * @return the regular successor block
+     */
+    Block getRegularSuccessor();
+
+    /**
+     * Is this block empty (i.e., does it not contain any contents).
+     */
+    boolean isEmpty();
+
+}