--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/tools/tree/ThrowStatement.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,124 @@
+/*
+ * Copyright 1994-2003 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package sun.tools.tree;
+
+import sun.tools.java.*;
+import sun.tools.asm.Assembler;
+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 ThrowStatement extends Statement {
+    Expression expr;
+
+    /**
+     * Constructor
+     */
+    public ThrowStatement(long where, Expression expr) {
+        super(THROW, where);
+        this.expr = expr;
+    }
+
+    /**
+     * Check statement
+     */
+    Vset check(Environment env, Context ctx, Vset vset, Hashtable exp) {
+        checkLabel(env, ctx);
+        try {
+            vset = reach(env, vset);
+            expr.checkValue(env, ctx, vset, exp);
+            if (expr.type.isType(TC_CLASS)) {
+                ClassDeclaration c = env.getClassDeclaration(expr.type);
+                if (exp.get(c) == null) {
+                    exp.put(c, this);
+                }
+                ClassDefinition def = c.getClassDefinition(env);
+                ClassDeclaration throwable =
+                    env.getClassDeclaration(idJavaLangThrowable);
+                if (!def.subClassOf(env, throwable)) {
+                    env.error(where, "throw.not.throwable", def);
+                }
+                expr = convert(env, ctx, Type.tObject, expr);
+            } else if (!expr.type.isType(TC_ERROR)) {
+                env.error(expr.where, "throw.not.throwable", expr.type);
+            }
+        } catch (ClassNotFound e) {
+            env.error(where, "class.not.found", e.name, opNames[op]);
+        }
+        CheckContext exitctx = ctx.getTryExitContext();
+        if (exitctx != null) {
+            exitctx.vsTryExit = exitctx.vsTryExit.join(vset);
+        }
+        return DEAD_END;
+    }
+
+    /**
+     * Inline
+     */
+    public Statement inline(Environment env, Context ctx) {
+        expr = expr.inlineValue(env, ctx);
+        return this;
+    }
+
+    /**
+     * Create a copy of the statement for method inlining
+     */
+    public Statement copyInline(Context ctx, boolean valNeeded) {
+        ThrowStatement s = (ThrowStatement)clone();
+        s.expr = expr.copyInline(ctx);
+        return s;
+    }
+
+    /**
+     * The cost of inlining this statement
+     */
+    public int costInline(int thresh, Environment env, Context ctx) {
+        return 1 + expr.costInline(thresh, env, ctx);
+    }
+
+    /**
+     * Code
+     */
+    public void code(Environment env, Context ctx, Assembler asm) {
+        expr.codeValue(env, ctx, asm);
+        asm.add(where, opc_athrow);
+    }
+
+    /**
+     * Print
+     */
+    public void print(PrintStream out, int indent) {
+        super.print(out, indent);
+        out.print("throw ");
+        expr.print(out);
+        out.print(":");
+    }
+}