1 | package tudelft.utilities.j2p.t;
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2 |
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3 | import java.util.Arrays;
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4 | import java.util.Collections;
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5 |
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6 | import com.github.javaparser.ast.expr.FieldAccessExpr;
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7 | import com.github.javaparser.ast.expr.MethodCallExpr;
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8 |
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9 | import tudelft.utilities.j2p.formatting.ExpressionLine;
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10 |
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11 | /**
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12 | * a class that implements J2P translator given an arbitrary java class. The
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13 | * translator assumes all functions in the given class can be accessed and will
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14 | * be translated properly to the same package name in python. System classes are
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15 | * translated using the t.java translateors.
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16 | *
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17 | */
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18 | public class Stub extends tudelft.utilities.j2p.t.java.lang.Object {
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19 | private Class<?> clazz;
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20 |
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21 | /**
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22 | *
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23 | * @param clazz the class to be stubbed.
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24 | */
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25 | public Stub(Class<?> clazz) {
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26 | this.clazz = clazz;
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27 | }
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28 |
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29 | @Override
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30 | public ExpressionLine call(MethodCallExpr call) {
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31 |
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32 | // forward the translation of standard calls to Object
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33 | switch (call.getName().asString()) {
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34 | case "toString":
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35 | case "hashCode":
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36 | case "equals":
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37 | return super.call(call);
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38 | }
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39 |
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40 | return Translator.callClassFunction(call);
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41 |
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42 | }
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43 |
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44 | @Override
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45 | public ExpressionLine getName() {
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46 | // fixme this fails for hidden classes etc. Check getCanonicalName().
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47 | return new ExpressionLine(clazz.getSimpleName(),
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48 | Arrays.asList("from " + clazz.getCanonicalName() + " import "
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49 | + clazz.getSimpleName()),
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50 | false, Collections.emptyList());
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51 | }
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52 |
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53 | @Override
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54 | public ExpressionLine field(FieldAccessExpr node) {
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55 | return getName().withAppend("." + node.getNameAsString());
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56 | }
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57 |
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58 | @Override
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59 | public java.lang.String toString() {
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60 | return "Stub/generated translator class for " + clazz;
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61 | }
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62 |
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63 | }
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