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annotate graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/template/CodeElementFactory.java @ 7291:a748e4d44694

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Truffle API to specify type-specalized Node classes; annotation processor for automatic code generation of the type-specialized Node classes during the build process
author Christian Humer <christian.humer@gmail.com>
date Fri, 21 Dec 2012 10:44:31 -0800
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children 6343a09b2ec1
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a748e4d44694 Truffle API to specify type-specalized Node classes; annotation processor for automatic code generation of the type-specialized Node classes during the build process
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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
a748e4d44694 Truffle API to specify type-specalized Node classes; annotation processor for automatic code generation of the type-specialized Node classes during the build process
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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 javax.lang.model.element.*;
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27 import com.oracle.truffle.codegen.processor.*;
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28 import com.oracle.truffle.codegen.processor.ast.*;
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30 public abstract class CodeElementFactory<M> {
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32 protected final ProcessorContext context;
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33 private M model;
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35 private CodeElement<? super Element> element;
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37 public CodeElementFactory(ProcessorContext context) {
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38 this.context = context;
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39 }
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41 protected abstract CodeElement<?> create(M m);
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43 @SuppressWarnings("unused")
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44 protected void createChildren(M m) { }
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46 @SuppressWarnings("unchecked")
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47 public final CodeElement<?> process(M m) {
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48 model = m;
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49 element = (CodeElement<? super Element>) create(model);
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50 if (element != null) {
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51 createChildren(model);
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52 }
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53 return element;
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54 }
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56 public CodeElement getElement() {
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57 return element;
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58 }
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60 protected <MO, K extends Element> void add(CodeElementFactory<MO> factory, MO m) {
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61 this.element.add(factory.process(m));
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62 }
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64 public ProcessorContext getContext() {
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65 return context;
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66 }
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68 public M getModel() {
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69 return model;
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70 }
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72 }