Mercurial > hg > truffle

comparison truffle/com.oracle.truffle.sl/src/com/oracle/truffle/sl/builtins/SLDefineFunctionBuiltin.java @ 21951:9c8c0937da41

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Moving all sources into truffle subdirectory
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 17 Jun 2015 10:58:08 +0200
parents graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/builtins/SLDefineFunctionBuiltin.java@b4e38f4ca414
children b2d1c8ff592a
comparison
equal deleted inserted replaced
21950:2a5011c7e641 21951:9c8c0937da41
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.CompilerDirectives.TruffleBoundary;
26 import com.oracle.truffle.api.dsl.*;
27 import com.oracle.truffle.api.nodes.*;
28 import com.oracle.truffle.api.source.*;
29 import com.oracle.truffle.sl.parser.*;
30 import com.oracle.truffle.sl.runtime.*;
31
32 /**
33 * Builtin function to define (or redefine) functions. The provided source code is parsed the same
34 * way as the initial source of the script, so the same syntax applies.
35 */
36 @NodeInfo(shortName = "defineFunction")
37 public abstract class SLDefineFunctionBuiltin extends SLBuiltinNode {
38
39 public SLDefineFunctionBuiltin() {
40 super(new NullSourceSection("SL builtin", "defineFunction"));
41 }
42
43 @Specialization
44 public String defineFunction(String code) {
45 doDefineFunction(getContext(), code);
46 return code;
47 }
48
49 @TruffleBoundary
50 private static void doDefineFunction(SLContext context, String code) {
51 Source source = Source.fromText(code, "[defineFunction]");
52 /* The same parsing code as for parsing the initial source. */
53 Parser.parseSL(context, source);
54 }
55 }