1 files changed, 129 insertions, 0 deletions
diff --git a/third_party/checker_framework_dataflow/java/org/checkerframework/dataflow/cfg/node/MethodInvocationNode.java b/third_party/checker_framework_dataflow/java/org/checkerframework/dataflow/cfg/node/MethodInvocationNode.java
new file mode 100644
index 0000000000..797185a83b
--- /dev/null
+++ b/third_party/checker_framework_dataflow/java/org/checkerframework/dataflow/cfg/node/MethodInvocationNode.java
@@ -0,0 +1,129 @@
+package org.checkerframework.dataflow.cfg.node;
+
+import java.util.Collection;
+import java.util.LinkedList;
+import java.util.List;
+
+import org.checkerframework.dataflow.cfg.node.AssignmentContext.MethodParameterContext;
+import org.checkerframework.dataflow.util.HashCodeUtils;
+
+import org.checkerframework.javacutil.InternalUtils;
+
+import com.sun.source.tree.MethodInvocationTree;
+import com.sun.source.tree.Tree;
+import com.sun.source.util.TreePath;
+
+/**
+ * A node for method invocation
+ *
+ * <pre>
+ *   <em>target(arg1, arg2, ...)</em>
+ * </pre>
+ *
+ * CFGs may contain {@link MethodInvocationNode}s that correspond to no AST
+ * {@link Tree}, in which case, the tree field will be null.
+ *
+ * @author Stefan Heule
+ * @author Charlie Garrett
+ *
+ */
+public class MethodInvocationNode extends Node {
+
+    protected MethodInvocationTree tree;
+    protected MethodAccessNode target;
+    protected List<Node> arguments;
+    protected TreePath treePath;
+
+    public MethodInvocationNode(MethodInvocationTree tree,
+            MethodAccessNode target, List<Node> arguments, TreePath treePath) {
+        super(tree != null ? InternalUtils.typeOf(tree) : target.getMethod().getReturnType());
+        this.tree = tree;
+        this.target = target;
+        this.arguments = arguments;
+        this.treePath = treePath;
+
+        // set assignment contexts for parameters
+        int i = 0;
+        for (Node arg : arguments) {
+            AssignmentContext ctx = new MethodParameterContext(target.getMethod(), i++);
+            arg.setAssignmentContext(ctx);
+        }
+    }
+
+    public MethodInvocationNode(MethodAccessNode target, List<Node> arguments,
+            TreePath treePath) {
+        this(null, target, arguments, treePath);
+    }
+
+    public MethodAccessNode getTarget() {
+        return target;
+    }
+
+    public List<Node> getArguments() {
+        return arguments;
+    }
+
+    public Node getArgument(int i) {
+        return arguments.get(i);
+    }
+
+    public TreePath getTreePath() {
+        return treePath;
+    }
+
+    @Override
+    public MethodInvocationTree getTree() {
+        return tree;
+    }
+
+    @Override
+    public <R, P> R accept(NodeVisitor<R, P> visitor, P p) {
+        return visitor.visitMethodInvocation(this, p);
+    }
+
+    @Override
+    public String toString() {
+        StringBuffer sb = new StringBuffer();
+        sb.append(target);
+        sb.append("(");
+        boolean needComma = false;
+        for (Node arg : arguments) {
+            if (needComma) {
+                sb.append(", ");
+            }
+            sb.append(arg);
+            needComma = true;
+        }
+        sb.append(")");
+        return sb.toString();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == null || !(obj instanceof MethodInvocationNode)) {
+            return false;
+        }
+        MethodInvocationNode other = (MethodInvocationNode) obj;
+
+        return getTarget().equals(other.getTarget())
+                && getArguments().equals(other.getArguments());
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = 0;
+        hash = HashCodeUtils.hash(target);
+        for (Node arg : arguments) {
+            hash = HashCodeUtils.hash(hash, arg.hashCode());
+        }
+        return hash;
+    }
+
+    @Override
+    public Collection<Node> getOperands() {
+        List<Node> list = new LinkedList<Node>();
+        list.add(target);
+        list.addAll(arguments);
+        return list;
+    }
+}