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annotate graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/template/TemplateParser.java @ 10596:f43eb2f1bbbc

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Truffle-DSL: code-generation of polymorphic caching
author Christian Humer <christian.humer@gmail.com>
date Mon, 01 Jul 2013 20:32:20 +0200
parents 8b2573c8d47f
children
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1 /*
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2 * Copyright (c) 2012, 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.codegen.processor.template;
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25 import java.util.*;
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27 import javax.lang.model.element.*;
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28 import javax.lang.model.util.*;
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30 import com.oracle.truffle.codegen.processor.*;
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32 public abstract class TemplateParser<M extends Template> extends AbstractParser<M> {
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34 public TemplateParser(ProcessorContext c) {
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35 super(c);
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36 }
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38 protected void verifyExclusiveMethodAnnotation(Template template, Class<?>... annotationTypes) {
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39 List<ExecutableElement> methods = ElementFilter.methodsIn(template.getTemplateType().getEnclosedElements());
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40 for (ExecutableElement method : methods) {
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41 List<AnnotationMirror> foundAnnotations = new ArrayList<>();
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42 for (int i = 0; i < annotationTypes.length; i++) {
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43 Class<?> annotationType = annotationTypes[i];
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44 AnnotationMirror mirror = Utils.findAnnotationMirror(context.getEnvironment(), method, annotationType);
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45 if (mirror != null) {
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46 foundAnnotations.add(mirror);
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47 }
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48 }
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49 if (foundAnnotations.size() > 1) {
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50 List<String> annotationNames = new ArrayList<>();
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51 for (AnnotationMirror mirror : foundAnnotations) {
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52 annotationNames.add("@" + Utils.getSimpleName(mirror.getAnnotationType()));
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53 }
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55 template.addError("Non exclusive usage of annotations %s.", annotationNames);
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56 }
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57 }
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58 }
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60 }