Mercurial > hg > truffle
view graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/ExpectError.java @ 21494:f5b49d881909
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> |
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date | Tue, 26 May 2015 20:04:08 +0200 |
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/* * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.truffle.dsl.processor; import java.util.*; import javax.annotation.processing.*; import javax.lang.model.element.*; import javax.tools.Diagnostic.*; public class ExpectError { public static void assertNoErrorExpected(ProcessingEnvironment processingEnv, Element element) { TypeElement eee = processingEnv.getElementUtils().getTypeElement(TruffleTypes.EXPECT_ERROR_CLASS_NAME); if (eee != null) { for (AnnotationMirror am : element.getAnnotationMirrors()) { if (am.getAnnotationType().asElement().equals(eee)) { processingEnv.getMessager().printMessage(Kind.ERROR, "Expected an error, but none found!", element); } } } } public static boolean isExpectedError(ProcessingEnvironment processingEnv, Element element, String message) { TypeElement eee = processingEnv.getElementUtils().getTypeElement(TruffleTypes.EXPECT_ERROR_CLASS_NAME); if (eee != null) { for (AnnotationMirror am : element.getAnnotationMirrors()) { if (am.getAnnotationType().asElement().equals(eee)) { Map<? extends ExecutableElement, ? extends AnnotationValue> vals = am.getElementValues(); if (vals.size() == 1) { AnnotationValue av = vals.values().iterator().next(); if (av.getValue() instanceof List) { List<?> arr = (List<?>) av.getValue(); for (Object o : arr) { if (o instanceof AnnotationValue) { AnnotationValue ov = (AnnotationValue) o; if (message.equals(ov.getValue())) { return true; } } } } } } } } return false; } }