--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/jdk.rmic/share/classes/sun/tools/tree/WhileStatement.java	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 1994, 2003, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.tools.tree;
+
+import sun.tools.java.*;
+import sun.tools.asm.Assembler;
+import sun.tools.asm.Label;
+import java.io.PrintStream;
+import java.util.Hashtable;
+
+/**
+ * WARNING: The contents of this source file are not part of any
+ * supported API.  Code that depends on them does so at its own risk:
+ * they are subject to change or removal without notice.
+ */
+public
+class WhileStatement extends Statement {
+    Expression cond;
+    Statement body;
+
+    /**
+     * Constructor
+     */
+    public WhileStatement(long where, Expression cond, Statement body) {
+        super(WHILE, where);
+        this.cond = cond;
+        this.body = body;
+    }
+
+    /**
+     * Check a while statement
+     */
+    Vset check(Environment env, Context ctx, Vset vset, Hashtable<Object, Object> exp) {
+        checkLabel(env, ctx);
+        CheckContext newctx = new CheckContext(ctx, this);
+        // remember what was unassigned on entry
+        Vset vsEntry = vset.copy();
+        // check the condition.  Determine which variables have values if
+        // it returns true or false.
+        ConditionVars cvars =
+              cond.checkCondition(env, newctx, reach(env, vset), exp);
+        cond = convert(env, newctx, Type.tBoolean, cond);
+        // check the body, given that the condition returned true.
+        vset = body.check(env, newctx, cvars.vsTrue, exp);
+        vset = vset.join(newctx.vsContinue);
+        // make sure the back-branch fits the entry of the loop
+        ctx.checkBackBranch(env, this, vsEntry, vset);
+        // Exit the while loop by testing false or getting a break statement
+        vset = newctx.vsBreak.join(cvars.vsFalse);
+        return ctx.removeAdditionalVars(vset);
+    }
+
+    /**
+     * Inline
+     */
+    public Statement inline(Environment env, Context ctx) {
+        ctx = new Context(ctx, this);
+        cond = cond.inlineValue(env, ctx);
+        if (body != null) {
+            body = body.inline(env, ctx);
+        }
+        return this;
+    }
+
+    /**
+     * The cost of inlining this statement
+     */
+    public int costInline(int thresh, Environment env, Context ctx) {
+        return 1 + cond.costInline(thresh, env, ctx)
+                 + ((body != null) ? body.costInline(thresh, env, ctx) : 0);
+    }
+
+    /**
+     * Create a copy of the statement for method inlining
+     */
+    public Statement copyInline(Context ctx, boolean valNeeded) {
+        WhileStatement s = (WhileStatement)clone();
+        s.cond = cond.copyInline(ctx);
+        if (body != null) {
+            s.body = body.copyInline(ctx, valNeeded);
+        }
+        return s;
+    }
+
+    /**
+     * Code
+     */
+    public void code(Environment env, Context ctx, Assembler asm) {
+        CodeContext newctx = new CodeContext(ctx, this);
+
+        asm.add(where, opc_goto, newctx.contLabel);
+
+        Label l1 = new Label();
+        asm.add(l1);
+
+        if (body != null) {
+            body.code(env, newctx, asm);
+        }
+
+        asm.add(newctx.contLabel);
+        cond.codeBranch(env, newctx, asm, l1, true);
+        asm.add(newctx.breakLabel);
+    }
+
+    /**
+     * Print
+     */
+    public void print(PrintStream out, int indent) {
+        super.print(out, indent);
+        out.print("while ");
+        cond.print(out);
+        if (body != null) {
+            out.print(" ");
+            body.print(out, indent);
+        } else {
+            out.print(";");
+        }
+    }
+}