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1 package nabble.naml.compiler;
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2
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3 import java.lang.reflect.Method;
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4 import java.lang.reflect.InvocationTargetException;
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5
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6 import java.util.Collection;
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7
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8
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9 final class JavaCall implements Call {
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10 final JavaCommand javaCommand;
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11 final int iStack;
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12
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13 JavaCall(JavaCommand javaCommand,int iStack) {
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14 this.javaCommand = javaCommand;
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15 this.iStack = iStack;
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16 }
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17
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18 @Override public Collection<String> getRequiredNamespaces() {
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19 return javaCommand.getRequiredNamespaces();
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20 }
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21
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22 Object invoke(RunState runState, Object... args)
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23 throws IllegalAccessException, InvocationTargetException
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24 {
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25 Object obj = javaCommand.isStatic ? null : runState.getFromStack(iStack);
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26 return javaCommand.method.invoke(obj,args);
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27 }
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28
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29 Method getMethod() {
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30 return javaCommand.method;
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31 }
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32
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33 boolean isScoped() {
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34 return javaCommand.scopedType != null;
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35 }
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36
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37 boolean isScoped(String param) {
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38 return isScoped() && javaCommand.cmdSpec.hasScopedParam(param);
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39 }
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40
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41 Class scopedType() {
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42 return javaCommand.scopedType;
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43 }
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44
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45 String getJavaName() {
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46 return javaCommand.method.getName();
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47 }
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48
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49 public String toString() {
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50 return javaCommand.method.toString() + " - stack index "+iStack;
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51 }
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52
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53 String name() {
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54 return javaCommand.name;
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55 }
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56
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57 CommandSpec cmdSpec() {
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58 return javaCommand.cmdSpec;
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59 }
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60
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61 Method method() {
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62 return javaCommand.method;
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63 }
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64
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65 @Override public boolean equals(Object obj) {
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66 if( !(obj instanceof JavaCall) )
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67 return false;
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68 JavaCall jc = (JavaCall)obj;
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69 return jc.javaCommand==javaCommand && jc.iStack==iStack;
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70 }
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71
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72 @Override public int hashCode() {
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73 return iStack*31 + javaCommand.hashCode();
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74 }
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75
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76 }
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