1/*
2 * Copyright (c) 2016, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23package org.graalvm.compiler.bytecode;
24
25import jdk.vm.ci.meta.ConstantPool;
26import jdk.vm.ci.meta.ExceptionHandler;
27import jdk.vm.ci.meta.LineNumberTable;
28import jdk.vm.ci.meta.LocalVariableTable;
29import jdk.vm.ci.meta.ProfilingInfo;
30import jdk.vm.ci.meta.ResolvedJavaMethod;
31
32/**
33 * Direct access to the bytecode of a {@link ResolvedJavaMethod} that will reflect any
34 * instrumentation and rewriting performed on the {@link ResolvedJavaMethod}.
35 */
36public class ResolvedJavaMethodBytecode implements Bytecode {
37
38    private final ResolvedJavaMethod method;
39    private final BytecodeProvider origin;
40
41    public ResolvedJavaMethodBytecode(ResolvedJavaMethod method) {
42        this(method, ResolvedJavaMethodBytecodeProvider.INSTANCE);
43    }
44
45    public ResolvedJavaMethodBytecode(ResolvedJavaMethod method, BytecodeProvider origin) {
46        this.method = method;
47        this.origin = origin;
48    }
49
50    @Override
51    public BytecodeProvider getOrigin() {
52        return origin;
53    }
54
55    @Override
56    public ResolvedJavaMethod getMethod() {
57        return method;
58    }
59
60    @Override
61    public byte[] getCode() {
62        return method.getCode();
63    }
64
65    @Override
66    public int getCodeSize() {
67        return method.getCodeSize();
68    }
69
70    @Override
71    public int getMaxStackSize() {
72        return method.getMaxStackSize();
73    }
74
75    @Override
76    public int getMaxLocals() {
77        return method.getMaxLocals();
78    }
79
80    @Override
81    public ConstantPool getConstantPool() {
82        return method.getConstantPool();
83    }
84
85    @Override
86    public LineNumberTable getLineNumberTable() {
87        return method.getLineNumberTable();
88    }
89
90    @Override
91    public LocalVariableTable getLocalVariableTable() {
92        return method.getLocalVariableTable();
93    }
94
95    @Override
96    public ExceptionHandler[] getExceptionHandlers() {
97        return method.getExceptionHandlers();
98    }
99
100    @Override
101    public StackTraceElement asStackTraceElement(int bci) {
102        return method.asStackTraceElement(bci);
103    }
104
105    @Override
106    public ProfilingInfo getProfilingInfo() {
107        return method.getProfilingInfo();
108    }
109
110    @Override
111    public String toString() {
112        return getClass().getSimpleName() + method.format("<%h.%n(%p)>");
113    }
114}
115