Mercurial > jdk8-mips64-public > nashorn / file comparison
comparison: src/jdk/nashorn/internal/objects/NativeStrictArguments.java
src/jdk/nashorn/internal/objects/NativeStrictArguments.java
- changeset 418
- 36d6b6a3fbe0
- parent 415
- edca88d3a03e
- child 690
- 752554d45a07
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| 417:20b2c2dc20e8 | 418:36d6b6a3fbe0 |
|---|---|
| 28 import static jdk.nashorn.internal.runtime.ScriptRuntime.UNDEFINED; | 28 import static jdk.nashorn.internal.runtime.ScriptRuntime.UNDEFINED; |
| 29 import static jdk.nashorn.internal.lookup.Lookup.MH; | 29 import static jdk.nashorn.internal.lookup.Lookup.MH; |
| 30 | 30 |
| 31 import java.lang.invoke.MethodHandle; | 31 import java.lang.invoke.MethodHandle; |
| 32 import java.lang.invoke.MethodHandles; | 32 import java.lang.invoke.MethodHandles; |
| 33 import java.util.ArrayList; | |
| 33 import java.util.Arrays; | 34 import java.util.Arrays; |
| 35 import jdk.nashorn.internal.runtime.AccessorProperty; | |
| 34 import jdk.nashorn.internal.runtime.Property; | 36 import jdk.nashorn.internal.runtime.Property; |
| 35 import jdk.nashorn.internal.runtime.PropertyMap; | 37 import jdk.nashorn.internal.runtime.PropertyMap; |
| 36 import jdk.nashorn.internal.runtime.ScriptFunction; | 38 import jdk.nashorn.internal.runtime.ScriptFunction; |
| 37 import jdk.nashorn.internal.runtime.ScriptObject; | 39 import jdk.nashorn.internal.runtime.ScriptObject; |
| 38 import jdk.nashorn.internal.runtime.arrays.ArrayData; | 40 import jdk.nashorn.internal.runtime.arrays.ArrayData; |
| 39 import jdk.nashorn.internal.lookup.Lookup; | |
| 40 import jdk.nashorn.internal.lookup.MethodHandleFactory; | |
| 41 | 41 |
| 42 /** | 42 /** |
| 43 * ECMA 10.6 Arguments Object. | 43 * ECMA 10.6 Arguments Object. |
| 44 * | 44 * |
| 45 * Arguments object for strict mode functions. | 45 * Arguments object for strict mode functions. |
| 52 | 52 |
| 53 // property map for strict mode arguments object | 53 // property map for strict mode arguments object |
| 54 private static final PropertyMap map$; | 54 private static final PropertyMap map$; |
| 55 | 55 |
| 56 static { | 56 static { |
| 57 PropertyMap map = PropertyMap.newMap(); | 57 final ArrayList<Property> properties = new ArrayList<>(1); |
| 58 map = Lookup.newProperty(map, "length", Property.NOT_ENUMERABLE, G$LENGTH, S$LENGTH); | 58 properties.add(AccessorProperty.create("length", Property.NOT_ENUMERABLE, G$LENGTH, S$LENGTH)); |
| 59 PropertyMap map = PropertyMap.newMap(properties); | |
| 59 // In strict mode, the caller and callee properties should throw TypeError | 60 // In strict mode, the caller and callee properties should throw TypeError |
| 60 // Need to add properties directly to map since slots are assigned speculatively by newUserAccessors. | 61 // Need to add properties directly to map since slots are assigned speculatively by newUserAccessors. |
| 61 final int flags = Property.NOT_ENUMERABLE | Property.NOT_CONFIGURABLE; | 62 final int flags = Property.NOT_ENUMERABLE | Property.NOT_CONFIGURABLE; |
| 62 map = map.addProperty(map.newUserAccessors("caller", flags)); | 63 map = map.addProperty(map.newUserAccessors("caller", flags)); |
| 63 map = map.addProperty(map.newUserAccessors("callee", flags)); | 64 map = map.addProperty(map.newUserAccessors("callee", flags)); |
| 64 map$ = map; | 65 map$ = map.setIsShared(); |
| 65 } | 66 } |
| 66 | 67 |
| 67 static PropertyMap getInitialMap() { | 68 static PropertyMap getInitialMap() { |
| 68 return map$; | 69 return map$; |
| 69 } | 70 } |
