Mercurial > hg > graal-compiler
comparison graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/builtins/SLHelloEqualsWorldBuiltin.java @ 15064:f675818d9ad0
new getStackTrace and getCurrentFrame functionality in TruffleRuntime
author | Lukas Stadler <lukas.stadler@oracle.com> |
---|---|
date | Fri, 11 Apr 2014 11:53:11 +0200 |
parents | |
children | 1f7fd2cc008f |
comparison
equal
deleted
inserted
replaced
15063:36e1a11a72b3 | 15064:f675818d9ad0 |
---|---|
1 /* | |
2 * Copyright (c) 2012, 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. | |
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 */ | |
23 package com.oracle.truffle.sl.builtins; | |
24 | |
25 import com.oracle.truffle.api.*; | |
26 import com.oracle.truffle.api.dsl.*; | |
27 import com.oracle.truffle.api.frame.*; | |
28 import com.oracle.truffle.api.frame.FrameInstance.FrameAccess; | |
29 import com.oracle.truffle.api.nodes.*; | |
30 | |
31 /** | |
32 * This builtin sets the variable named "hello" in the caller frame to the string "world". | |
33 */ | |
34 @NodeInfo(shortName = "helloEqualsWorld") | |
35 public abstract class SLHelloEqualsWorldBuiltin extends SLBuiltinNode { | |
36 | |
37 @Specialization | |
38 public Object change() { | |
39 FrameInstance frameInstance = Truffle.getRuntime().getStackTrace().iterator().next(); | |
40 Frame frame = frameInstance.getFrame(FrameAccess.READ_WRITE, false); | |
41 FrameSlot slot = frame.getFrameDescriptor().findOrAddFrameSlot("hello"); | |
42 frame.setObject(slot, "world"); | |
43 return null; | |
44 } | |
45 } |