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annotate truffle/com.oracle.truffle.sl/src/com/oracle/truffle/sl/builtins/SLDefineFunctionBuiltin.java @ 21987:b2d1c8ff592a

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Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder.
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 01 Jul 2015 10:23:36 +0200
parents 9c8c0937da41
children c07e64ecb528
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1 /*
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2 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.truffle.sl.builtins;
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25 import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
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26 import com.oracle.truffle.api.dsl.*;
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27 import com.oracle.truffle.api.nodes.*;
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28 import com.oracle.truffle.api.source.*;
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29 import com.oracle.truffle.sl.parser.*;
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30 import com.oracle.truffle.sl.runtime.*;
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31
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32 /**
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33 * Builtin function to define (or redefine) functions. The provided source code is parsed the same
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34 * way as the initial source of the script, so the same syntax applies.
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35 */
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36 @NodeInfo(shortName = "defineFunction")
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37 public abstract class SLDefineFunctionBuiltin extends SLBuiltinNode {
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39 public SLDefineFunctionBuiltin() {
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40 super(SourceSection.createUnavailable("SL builtin", "defineFunction"));
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41 }
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42
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43 @Specialization
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44 public String defineFunction(String code) {
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45 doDefineFunction(getContext(), code);
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46 return code;
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47 }
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48
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49 @TruffleBoundary
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50 private static void doDefineFunction(SLContext context, String code) {
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51 Source source = Source.fromText(code, "[defineFunction]");
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52 /* The same parsing code as for parsing the initial source. */
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53 Parser.parseSL(context, source);
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54 }
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55 }