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1 |
| package edu.rice.cs.dynamicjava.interpreter; |
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2 |
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3 |
| import edu.rice.cs.dynamicjava.symbol.DJClass; |
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4 |
| import edu.rice.cs.dynamicjava.symbol.Library; |
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5 |
| import edu.rice.cs.dynamicjava.symbol.TypeSystem; |
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6 |
| import edu.rice.cs.dynamicjava.symbol.type.ClassType; |
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7 |
| import edu.rice.cs.dynamicjava.symbol.type.VariableType; |
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8 |
| import edu.rice.cs.plt.iter.IterUtil; |
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9 |
| |
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10 |
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11 |
| public class LibraryContext extends DelegatingContext { |
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12 |
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13 |
| private final Library _library; |
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14 |
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15 |
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16 |
183
| public LibraryContext(TypeContext next, Library lib) {
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17 |
183
| super(next);
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18 |
183
| _library = lib;
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19 |
| } |
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20 |
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21 |
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22 |
183
| public LibraryContext(Library lib) { this(BaseContext.INSTANCE, lib); }
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23 |
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24 |
0
| protected TypeContext duplicate(TypeContext next) {
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25 |
0
| return new LibraryContext(next, _library);
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26 |
| } |
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27 |
| |
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28 |
0
| @Override public boolean typeExists(String name, TypeSystem ts) {
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29 |
0
| return hasClass(name) || super.typeExists(name, ts);
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30 |
| } |
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31 |
| |
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32 |
1473
| @Override public boolean topLevelClassExists(String name, TypeSystem ts) {
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33 |
1473
| return hasClass(name) || super.topLevelClassExists(name, ts);
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34 |
| } |
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35 |
| |
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36 |
3449
| @Override public DJClass getTopLevelClass(String name, TypeSystem ts) throws AmbiguousNameException {
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37 |
3449
| Iterable<DJClass> matches = _library.declaredClasses(name);
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38 |
3449
| int size = IterUtil.sizeOf(matches, 2);
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39 |
3449
| switch (size) {
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40 |
1853
| case 0: return super.getTopLevelClass(name, ts);
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41 |
1596
| case 1: return IterUtil.first(matches);
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42 |
0
| default: throw new AmbiguousNameException();
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43 |
| } |
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44 |
| } |
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45 |
| |
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46 |
0
| @Override public boolean memberClassExists(String name, TypeSystem ts) {
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47 |
0
| return hasClass(name) ? false : super.memberClassExists(name, ts);
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48 |
| } |
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49 |
| |
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50 |
1702
| @Override public ClassType typeContainingMemberClass(String name, TypeSystem ts) throws AmbiguousNameException {
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51 |
1702
| return hasClass(name) ? null : super.typeContainingMemberClass(name, ts);
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52 |
| } |
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53 |
| |
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54 |
0
| @Override public boolean typeVariableExists(String name, TypeSystem ts) {
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55 |
0
| return hasClass(name) ? false : super.typeVariableExists(name, ts);
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56 |
| } |
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57 |
| |
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58 |
468
| @Override public VariableType getTypeVariable(String name, TypeSystem ts) {
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59 |
468
| return hasClass(name) ? null : super.getTypeVariable(name, ts);
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60 |
| } |
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61 |
| |
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62 |
3643
| private boolean hasClass(String name) {
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63 |
3643
| return !IterUtil.isEmpty(_library.declaredClasses(name));
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64 |
| } |
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65 |
| |
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66 |
43
| @Override public ClassLoader getClassLoader() { return _library.classLoader(); }
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67 |
| } |
