Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/builtins/SLAssertTrueBuiltin.java @ 19312:a8d128366ebf
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author | Andreas Woess <andreas.woess@jku.at> |
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date | Thu, 12 Feb 2015 04:01:46 +0100 |
parents | 158c9ba66e45 |
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1 /* |
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2 * Copyright (c) 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.*; |
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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.*; |
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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 * Asserts a given value to be <code>true</code> and throws an {@link AssertionError} if the value |
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34 * was <code>false</code>. |
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35 */ |
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36 @NodeInfo(shortName = "assertTrue") |
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37 public abstract class SLAssertTrueBuiltin extends SLBuiltinNode { |
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38 |
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39 public SLAssertTrueBuiltin() { |
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40 super(new NullSourceSection("SL builtin", "assertTrue")); |
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41 } |
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42 |
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43 @Specialization |
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44 public boolean doAssert(boolean value, String message) { |
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45 if (!value) { |
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46 CompilerDirectives.transferToInterpreter(); |
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47 throw new SLAssertionError(message == null ? "" : message); |
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48 } |
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49 return value; |
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50 } |
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51 |
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52 @Specialization |
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53 public boolean doAssertNull(boolean value, @SuppressWarnings("unused") SLNull message) { |
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54 return doAssert(value, null); |
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55 } |
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56 |
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57 } |