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annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/ExpectError.java @ 21494:f5b49d881909

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Truffle-DSL: move internal @ExpectError annotation from public API to the test package only; share expect error handling between new processors.
author Christian Humer <christian.humer@gmail.com>
date Tue, 26 May 2015 20:04:08 +0200
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21494
f5b49d881909 Truffle-DSL: move internal @ExpectError annotation from public API to the test package only; share expect error handling between new processors.
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1 /*
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2 * Copyright (c) 2015, 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.dsl.processor;
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25 import java.util.*;
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27 import javax.annotation.processing.*;
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28 import javax.lang.model.element.*;
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29 import javax.tools.Diagnostic.*;
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31 public class ExpectError {
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32
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33 public static void assertNoErrorExpected(ProcessingEnvironment processingEnv, Element element) {
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34 TypeElement eee = processingEnv.getElementUtils().getTypeElement(TruffleTypes.EXPECT_ERROR_CLASS_NAME);
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35 if (eee != null) {
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36 for (AnnotationMirror am : element.getAnnotationMirrors()) {
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37 if (am.getAnnotationType().asElement().equals(eee)) {
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38 processingEnv.getMessager().printMessage(Kind.ERROR, "Expected an error, but none found!", element);
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39 }
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40 }
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41 }
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42 }
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44 public static boolean isExpectedError(ProcessingEnvironment processingEnv, Element element, String message) {
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45 TypeElement eee = processingEnv.getElementUtils().getTypeElement(TruffleTypes.EXPECT_ERROR_CLASS_NAME);
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46 if (eee != null) {
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47 for (AnnotationMirror am : element.getAnnotationMirrors()) {
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48 if (am.getAnnotationType().asElement().equals(eee)) {
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49 Map<? extends ExecutableElement, ? extends AnnotationValue> vals = am.getElementValues();
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50 if (vals.size() == 1) {
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51 AnnotationValue av = vals.values().iterator().next();
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52 if (av.getValue() instanceof List) {
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53 List<?> arr = (List<?>) av.getValue();
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54 for (Object o : arr) {
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55 if (o instanceof AnnotationValue) {
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56 AnnotationValue ov = (AnnotationValue) o;
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57 if (message.equals(ov.getValue())) {
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58 return true;
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59 }
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60 }
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61 }
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62 }
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63 }
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64 }
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65 }
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66 }
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67 return false;
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68 }
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69
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70 }