Mercurial > hg > Database > Alice

annotate src/main/java/alice/codesegment/CreateCodeSegment.java @ 633:746447b7c3e0

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add CreateCodeSegment Factory
author Nozomi Teruya <e125769@ie.u-ryukyu.ac.jp>
date Fri, 01 Dec 2017 01:10:03 +0900
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children
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633
746447b7c3e0 add CreateCodeSegment Factory
Nozomi Teruya <e125769@ie.u-ryukyu.ac.jp>
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1 package alice.codesegment;
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2
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3
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4 import alice.Annotation.AliceAnnotation;
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5 import alice.Annotation.Take;
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6 import alice.datasegment.CommandType;
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7 import alice.datasegment.Receiver;
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8 import javassist.*;
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9 import javassist.tools.reflect.Sample;
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10 import sun.jvm.hotspot.oops.Instance;
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11
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12 import java.lang.reflect.Constructor;
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13 import java.lang.reflect.Field;
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14 import java.security.ProtectionDomain;
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15
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16 /**
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17 * Created by e125769 on 11/30/17.
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18 */
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19 public class CreateCodeSegment {
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20
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21 private Class cs;
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22
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23 public CreateCodeSegment(Class cs){
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24 this.cs = cs;
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25
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26 ClassPool cp = ClassPool.getDefault();
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27 cp.appendSystemPath();
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28 CtClass cc = null;
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29 try {
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30 cc = cp.get(cs.getName());
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31 } catch (NotFoundException e) {
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32 e.printStackTrace();
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33 }
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34
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35 for (Field field : cs.getDeclaredFields()) {
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36 if (field.isAnnotationPresent(Take.class)){
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37 System.out.println(field.getName());
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38 System.out.println(field.getType());
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39 Take ano = field.getAnnotation(Take.class);
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40 System.out.println(ano.value());
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41
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42 try {
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43 //Receiverを生成
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44 CtField cf = CtField.make("public alice.datasegment.Receiver " + ano.value() + " = ids.create(alice.datasegment.CommandType.TAKE);",cc);
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45 cc.addField(cf);
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46
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47 //setKey
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48 for (CtConstructor ctConstructors : cc.getConstructors()){
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49 ctConstructors.setBody(ano.value() + ".setKey(\"" +ano.value() + "\");");
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50 }
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51
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52 //cc.setModifiers(cc.getModifiers());
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53 } catch (CannotCompileException e) {
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54 e.printStackTrace();
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55 }
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56 }
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57 }
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58
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59 try {
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60 ClassLoader loader = ClassLoader.getSystemClassLoader();
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61 ProtectionDomain domain = Sample.class.getProtectionDomain();
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62 this.cs = cc.toClass(loader, domain);//ここで止まる。toClass()以前にクラスを１つでもloadしていたら動かない（怒）
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63 } catch (CannotCompileException e) {
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64 e.printStackTrace();
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65 }
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66
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67 }
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68
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69 public void run(){
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70 try {
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71 cs.newInstance();
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72 } catch (InstantiationException e) {
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73 e.printStackTrace();
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74 } catch (IllegalAccessException e) {
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75 e.printStackTrace();
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76 }
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77
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78 }
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79 }