--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/tools/tree/CatchStatement.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,173 @@
+/*
+ * Copyright 1994-2004 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 sun.tools.asm.LocalVariable;
+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 CatchStatement extends Statement {
+    int mod;
+    Expression texpr;
+    Identifier id;
+    Statement body;
+    LocalMember field;
+
+    /**
+     * Constructor
+     */
+    public CatchStatement(long where, Expression texpr, IdentifierToken id, Statement body) {
+        super(CATCH, where);
+        this.mod = id.getModifiers();
+        this.texpr = texpr;
+        this.id = id.getName();
+        this.body = body;
+    }
+    /** @deprecated */
+    @Deprecated
+    public CatchStatement(long where, Expression texpr, Identifier id, Statement body) {
+        super(CATCH, where);
+        this.texpr = texpr;
+        this.id = id;
+        this.body = body;
+    }
+
+    /**
+     * Check statement
+     */
+    Vset check(Environment env, Context ctx, Vset vset, Hashtable exp) {
+        vset = reach(env, vset);
+        ctx = new Context(ctx, this);
+        Type type = texpr.toType(env, ctx);
+
+        try {
+            if (ctx.getLocalField(id) != null) {
+                env.error(where, "local.redefined", id);
+            }
+
+            if (type.isType(TC_ERROR)) {
+                // error message printed out elsewhere
+            } else if (!type.isType(TC_CLASS)) {
+                env.error(where, "catch.not.throwable", type);
+            } else {
+                ClassDefinition def = env.getClassDefinition(type);
+                if (!def.subClassOf(env,
+                               env.getClassDeclaration(idJavaLangThrowable))) {
+                    env.error(where, "catch.not.throwable", def);
+                }
+            }
+
+            field = new LocalMember(where, ctx.field.getClassDefinition(), mod, type, id);
+            ctx.declare(env, field);
+            vset.addVar(field.number);
+
+            return body.check(env, ctx, vset, exp);
+        } catch (ClassNotFound e) {
+            env.error(where, "class.not.found", e.name, opNames[op]);
+            return vset;
+        }
+    }
+
+    /**
+     * Inline
+     */
+    public Statement inline(Environment env, Context ctx) {
+        ctx = new Context(ctx, this);
+        if (field.isUsed()) {
+            ctx.declare(env, field);
+        }
+        if (body != null) {
+            body = body.inline(env, ctx);
+        }
+        return this;
+    }
+
+    /**
+     * Create a copy of the statement for method inlining
+     */
+    public Statement copyInline(Context ctx, boolean valNeeded) {
+        CatchStatement s = (CatchStatement)clone();
+        if (body != null) {
+            s.body = body.copyInline(ctx, valNeeded);
+        }
+        if (field != null) {
+            s.field = field.copyInline(ctx);
+        }
+        return s;
+    }
+
+    /**
+     * Compute cost of inlining this statement
+     */
+    public int costInline(int thresh, Environment env, Context ctx){
+        int cost = 1;
+        if (body != null) {
+            cost += body.costInline(thresh, env,ctx);
+        }
+        return cost;
+    }
+
+    /**
+     * Code
+     */
+    public void code(Environment env, Context ctx, Assembler asm) {
+        CodeContext newctx = new CodeContext(ctx, this);
+        if (field.isUsed()) {
+            newctx.declare(env, field);
+            asm.add(where, opc_astore, new LocalVariable(field, field.number));
+        } else {
+            asm.add(where, opc_pop);
+        }
+        if (body != null) {
+            body.code(env, newctx, asm);
+        }
+        //asm.add(newctx.breakLabel);
+    }
+
+    /**
+     * Print
+     */
+    public void print(PrintStream out, int indent) {
+        super.print(out, indent);
+        out.print("catch (");
+        texpr.print(out);
+        out.print(" " + id + ") ");
+        if (body != null) {
+            body.print(out, indent);
+        } else {
+            out.print("<empty>");
+        }
+    }
+}