1 /*
2 * Copyright (c) 1994, 2003, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
103 }
104 if (body != null) {
105 cost += body.costInline(thresh, env,ctx);
106 }
107 return cost;
108 }
109
110 /**
111 * Code
112 */
113 public void code(Environment env, Context ctx, Assembler asm) {
114 ClassDefinition clazz = ctx.field.getClassDefinition();
115 expr.codeValue(env, ctx, asm);
116 ctx = new Context(ctx);
117
118 if (needReturnSlot) {
119 Type returnType = ctx.field.getType().getReturnType();
120 LocalMember localfield = new LocalMember(0, clazz, 0, returnType,
121 idFinallyReturnValue);
122 ctx.declare(env, localfield);
123 env.debugOutput("Assigning return slot to " + localfield.number);
124 }
125
126 LocalMember f1 = new LocalMember(where, clazz, 0, Type.tObject, null);
127 LocalMember f2 = new LocalMember(where, clazz, 0, Type.tInt, null);
128 Integer num1 = new Integer(ctx.declare(env, f1));
129 Integer num2 = new Integer(ctx.declare(env, f2));
130
131 Label endLabel = new Label();
132
133 TryData td = new TryData();
134 td.add(null);
135
136 // lock the object
137 asm.add(where, opc_astore, num1);
138 asm.add(where, opc_aload, num1);
139 asm.add(where, opc_monitorenter);
140
141 // Main body
142 CodeContext bodyctx = new CodeContext(ctx, this);
143 asm.add(where, opc_try, td);
|
1 /*
2 * Copyright (c) 1994, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
103 }
104 if (body != null) {
105 cost += body.costInline(thresh, env,ctx);
106 }
107 return cost;
108 }
109
110 /**
111 * Code
112 */
113 public void code(Environment env, Context ctx, Assembler asm) {
114 ClassDefinition clazz = ctx.field.getClassDefinition();
115 expr.codeValue(env, ctx, asm);
116 ctx = new Context(ctx);
117
118 if (needReturnSlot) {
119 Type returnType = ctx.field.getType().getReturnType();
120 LocalMember localfield = new LocalMember(0, clazz, 0, returnType,
121 idFinallyReturnValue);
122 ctx.declare(env, localfield);
123 Environment.debugOutput("Assigning return slot to " + localfield.number);
124 }
125
126 LocalMember f1 = new LocalMember(where, clazz, 0, Type.tObject, null);
127 LocalMember f2 = new LocalMember(where, clazz, 0, Type.tInt, null);
128 Integer num1 = new Integer(ctx.declare(env, f1));
129 Integer num2 = new Integer(ctx.declare(env, f2));
130
131 Label endLabel = new Label();
132
133 TryData td = new TryData();
134 td.add(null);
135
136 // lock the object
137 asm.add(where, opc_astore, num1);
138 asm.add(where, opc_aload, num1);
139 asm.add(where, opc_monitorenter);
140
141 // Main body
142 CodeContext bodyctx = new CodeContext(ctx, this);
143 asm.add(where, opc_try, td);
|