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comparison graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/builtins/SLPrintlnBuiltin.java @ 13821:b16ec83edc73

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Documentation and more refactoring of Simple Language
author Christian Wimmer <christian.wimmer@oracle.com>
date Wed, 29 Jan 2014 20:45:43 -0800
parents graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/builtins/SLPrintBuiltin.java@7c418666c6c9
children afd6fa5e8229
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13820:20e7727588e8 13821:b16ec83edc73
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.dsl.*;
26 import com.oracle.truffle.api.nodes.*;
27 import com.oracle.truffle.sl.runtime.*;
28
29 /**
30 * Builtin function to write a value to the {@link SLContext#getOutput() standard output}. The
31 * different specialization leverage the typed {@code println} methods available in Java, i.e.,
32 * primitive values are printed without converting them to a {@link String} first.
33 */
34 @NodeInfo(shortName = "println")
35 public abstract class SLPrintlnBuiltin extends SLBuiltinNode {
36
37 @Specialization
38 public long println(long value) {
39 getContext().getOutput().println(value);
40 return value;
41 }
42
43 @Specialization
44 public boolean println(boolean value) {
45 getContext().getOutput().println(value);
46 return value;
47 }
48
49 @Specialization
50 public String println(String value) {
51 getContext().getOutput().println(value);
52 return value;
53 }
54
55 @Specialization
56 public Object println(Object value) {
57 getContext().getOutput().println(value);
58 return value;
59 }
60 }