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annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/builtins/SLDefineFunctionBuiltin.java @ 16067:915ebb306fcc

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Truffle/Source: major API revision - All source-related classes now in com.oracle.truffle.api.source - SourceFactory replaced with factory methods on Source - Revision, renaming, and documentation to methods on Source and SourceSection - NullSourceSection is now a utility class
author Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date Fri, 06 Jun 2014 17:51:47 -0700
parents 09ac9ac9c4fc
children abe7128ca473
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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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24
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25 import com.oracle.truffle.api.CompilerDirectives.SlowPath;
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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 @Specialization
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40 public String defineFunction(String code) {
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41 doDefineFunction(getContext(), code);
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42 return code;
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43 }
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44
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45 @SlowPath
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46 private static void doDefineFunction(SLContext context, String code) {
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47 Source source = Source.fromText(code, "[defineFunction]");
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48 /* The same parsing code as for parsing the initial source. */
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49 Parser.parseSL(context, source);
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50 }
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51 }