diff graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/RubyRootNode.java @ 13514:0fbee3eb71f0

Ruby: import project.
author Chris Seaton <chris.seaton@oracle.com>
date Mon, 06 Jan 2014 17:12:09 +0000
parents
children 232eb6708943
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/RubyRootNode.java	Mon Jan 06 17:12:09 2014 +0000
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This
+ * code is released under a tri EPL/GPL/LGPL license. You can use it,
+ * redistribute it and/or modify it under the terms of the:
+ *
+ * Eclipse Public License version 1.0
+ * GNU General Public License version 2
+ * GNU Lesser General Public License version 2.1
+ */
+package com.oracle.truffle.ruby.nodes;
+
+import com.oracle.truffle.api.*;
+import com.oracle.truffle.api.frame.*;
+import com.oracle.truffle.api.nodes.*;
+
+/**
+ * The root node in an AST for a method. Unlike {@link RubyNode}, this has a single entry point,
+ * {@link #execute}, which Truffle knows about and can create a {@link CallTarget} from.
+ */
+public class RubyRootNode extends RootNode {
+
+    protected final String indicativeName;
+    @Child protected RubyNode body;
+
+    public RubyRootNode(SourceSection sourceSection, String indicativeName, RubyNode body) {
+        super(sourceSection);
+
+        assert indicativeName != null;
+        assert body != null;
+
+        this.body = adoptChild(body);
+        this.indicativeName = indicativeName;
+    }
+
+    @Override
+    public Object execute(VirtualFrame frame) {
+        return body.execute(frame);
+    }
+
+    @Override
+    public String toString() {
+        final SourceSection sourceSection = getSourceSection();
+        final String source = sourceSection == null ? "<unknown>" : sourceSection.toString();
+        return "Method " + indicativeName + ":" + source + "@" + Integer.toHexString(hashCode());
+    }
+
+}