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Change hierarchy of objects to unify JavaScriptObject and ClassProtot…
…ypeObject.
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34 changes: 0 additions & 34 deletions
34
...src/main/java/com/endoflineblog/truffle/part_13/runtime/AbstractClassPrototypeObject.java
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38 changes: 19 additions & 19 deletions
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part-14/src/main/java/com/endoflineblog/truffle/part_13/runtime/ClassPrototypeObject.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,34 +1,34 @@ | ||
| package com.endoflineblog.truffle.part_13.runtime; | ||
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| import com.oracle.truffle.api.interop.InteropLibrary; | ||
| import com.oracle.truffle.api.interop.UnknownIdentifierException; | ||
| import com.oracle.truffle.api.interop.UnsupportedMessageException; | ||
| import com.oracle.truffle.api.library.CachedLibrary; | ||
| import com.oracle.truffle.api.library.ExportLibrary; | ||
| import com.oracle.truffle.api.library.ExportMessage; | ||
| import com.oracle.truffle.api.object.DynamicObjectLibrary; | ||
| import com.oracle.truffle.api.object.DynamicObject; | ||
| import com.oracle.truffle.api.object.Shape; | ||
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| /** | ||
| * A {@link DynamicObject} that represents the prototype of class. | ||
| * That can be a user-defined class, or a built-in class, | ||
| * like for functions, or arrays. | ||
| * Identical to the class with the same name from part 12. | ||
| */ | ||
| @ExportLibrary(InteropLibrary.class) | ||
| public final class ClassPrototypeObject extends AbstractClassPrototypeObject { | ||
| public final AbstractClassPrototypeObject superClassPrototype; | ||
| public class ClassPrototypeObject extends JavaScriptObject { | ||
| public final String className; | ||
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| public ClassPrototypeObject(Shape shape, String className, | ||
| AbstractClassPrototypeObject superClassPrototype) { | ||
| super(shape, className); | ||
| public ClassPrototypeObject(Shape shape, String className, DynamicObject prototype) { | ||
| super(shape, prototype); | ||
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| this.superClassPrototype = superClassPrototype; | ||
| this.className = className; | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return "[class " + this.className + "]"; | ||
| } | ||
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| @ExportMessage | ||
| Object readMember(String member, | ||
| @CachedLibrary("this") DynamicObjectLibrary instanceObjectLibrary, | ||
| @CachedLibrary("this.superClassPrototype") InteropLibrary superClassInteropLibrary) | ||
| throws UnknownIdentifierException, UnsupportedMessageException { | ||
| Object value = instanceObjectLibrary.getOrDefault(this, member, null); | ||
| if (value == null) { | ||
| return superClassInteropLibrary.readMember(this.superClassPrototype, member); | ||
| } | ||
| return value; | ||
| Object toDisplayString(@SuppressWarnings("unused") boolean allowSideEffects) { | ||
| return this.toString(); | ||
| } | ||
| } |
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63 changes: 0 additions & 63 deletions
63
part-14/src/main/java/com/endoflineblog/truffle/part_13/runtime/InteropDynamicObject.java
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39 changes: 37 additions & 2 deletions
39
part-14/src/main/java/com/endoflineblog/truffle/part_13/runtime/ObjectPrototype.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,12 +1,47 @@ | ||
| package com.endoflineblog.truffle.part_13.runtime; | ||
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| import com.oracle.truffle.api.interop.InteropLibrary; | ||
| import com.oracle.truffle.api.interop.UnknownIdentifierException; | ||
| import com.oracle.truffle.api.interop.UnsupportedMessageException; | ||
| import com.oracle.truffle.api.library.CachedLibrary; | ||
| import com.oracle.truffle.api.library.ExportLibrary; | ||
| import com.oracle.truffle.api.library.ExportMessage; | ||
| import com.oracle.truffle.api.object.DynamicObject; | ||
| import com.oracle.truffle.api.object.DynamicObjectLibrary; | ||
| import com.oracle.truffle.api.object.Shape; | ||
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| @ExportLibrary(InteropLibrary.class) | ||
| public final class ObjectPrototype extends AbstractClassPrototypeObject { | ||
| public final class ObjectPrototype extends ClassPrototypeObject { | ||
| public ObjectPrototype(Shape shape) { | ||
| super(shape, "Object"); | ||
| super(shape, "Object", new DynamicObject(shape) {}); | ||
| } | ||
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| @ExportMessage | ||
| boolean isMemberReadable(String member, | ||
| @CachedLibrary("this") DynamicObjectLibrary instanceObjectLibrary) { | ||
| return instanceObjectLibrary.containsKey(this, member); | ||
| } | ||
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| @ExportMessage | ||
| Object readMember(String member, | ||
| @CachedLibrary("this") DynamicObjectLibrary instanceObjectLibrary) | ||
| throws UnknownIdentifierException, UnsupportedMessageException { | ||
| Object value = instanceObjectLibrary.getOrDefault(this, member, null); | ||
| if (value == null) { | ||
| throw UnknownIdentifierException.create(member); | ||
| } | ||
| return value; | ||
| } | ||
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| @ExportMessage | ||
| boolean isMemberModifiable(String member, | ||
| @CachedLibrary("this") DynamicObjectLibrary instanceObjectLibrary) { | ||
| return this.isMemberReadable(member, instanceObjectLibrary); | ||
| } | ||
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| @ExportMessage | ||
| boolean isMemberInsertable(String member, | ||
| @CachedLibrary("this") DynamicObjectLibrary instanceObjectLibrary) { | ||
| return !this.isMemberModifiable(member, instanceObjectLibrary); | ||
| } | ||
| } |
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