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annotate truffle/com.oracle.truffle.sl/src/com/oracle/truffle/sl/builtins/SLAssertTrueBuiltin.java @ 21951:9c8c0937da41

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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/SLAssertTrueBuiltin.java@158c9ba66e45
children b2d1c8ff592a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 }