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https://github.com/openjdk/jdk.git
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8022731: NativeArguments has wrong implementation of isMapped()
Reviewed-by: lagergren, jlaskey
This commit is contained in:
Hannes Wallnöfer
parent
42d8f28181
commit
76e9329e16
@ -76,36 +76,21 @@ public final class NativeArguments extends ScriptObject {
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private Object length;
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private Object callee;
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private ArrayData namedArgs;
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// This is lazily initialized - only when delete is invoked at all
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private final int numMapped;
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private final int numParams;
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// These are lazily initialized when delete is invoked on a mapped arg or an unmapped argument is set.
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private ArrayData unmappedArgs;
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private BitSet deleted;
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NativeArguments(final Object[] arguments, final Object callee, final int numParams, final ScriptObject proto, final PropertyMap map) {
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super(proto, map);
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setIsArguments();
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setArray(ArrayData.allocate(arguments));
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this.length = arguments.length;
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this.callee = callee;
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/**
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* Declared number of parameters may be more or less than the actual passed
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* runtime arguments count. We need to truncate or extend with undefined values.
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*
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* Example:
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*
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* // less declared params
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* (function (x) { print(arguments); })(20, 44);
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*
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* // more declared params
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* (function (x, y) { print(arguments); })(3);
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*/
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final Object[] newValues = new Object[numParams];
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if (numParams > arguments.length) {
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Arrays.fill(newValues, UNDEFINED);
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}
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System.arraycopy(arguments, 0, newValues, 0, Math.min(newValues.length, arguments.length));
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this.namedArgs = ArrayData.allocate(newValues);
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this.numMapped = Math.min(numParams, arguments.length);
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this.numParams = numParams;
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}
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@Override
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@ -118,7 +103,8 @@ public final class NativeArguments extends ScriptObject {
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*/
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@Override
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public Object getArgument(final int key) {
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return namedArgs.has(key) ? namedArgs.getObject(key) : UNDEFINED;
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assert key >= 0 && key < numParams : "invalid argument index";
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return isMapped(key) ? getArray().getObject(key) : getUnmappedArg(key);
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}
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/**
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@ -126,353 +112,36 @@ public final class NativeArguments extends ScriptObject {
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*/
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@Override
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public void setArgument(final int key, final Object value) {
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if (namedArgs.has(key)) {
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namedArgs = namedArgs.set(key, value, false);
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}
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}
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@Override
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public int getInt(final Object key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) ? namedArgs.getInt(index) : super.getInt(key);
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}
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@Override
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public int getInt(final double key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) ? namedArgs.getInt(index) : super.getInt(key);
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}
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@Override
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public int getInt(final long key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) ? namedArgs.getInt(index) : super.getInt(key);
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}
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@Override
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public int getInt(final int key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) ? namedArgs.getInt(index) : super.getInt(key);
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}
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@Override
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public long getLong(final Object key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) ? namedArgs.getLong(index) : super.getLong(key);
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}
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@Override
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public long getLong(final double key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) ? namedArgs.getLong(index) : super.getLong(key);
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}
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@Override
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public long getLong(final long key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) ? namedArgs.getLong(index) : super.getLong(key);
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}
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@Override
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public long getLong(final int key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) ? namedArgs.getLong(index) : super.getLong(key);
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}
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@Override
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public double getDouble(final Object key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) ? namedArgs.getDouble(index) : super.getDouble(key);
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}
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@Override
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public double getDouble(final double key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) ? namedArgs.getDouble(index) : super.getDouble(key);
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}
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@Override
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public double getDouble(final long key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) ? namedArgs.getDouble(index) : super.getDouble(key);
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}
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@Override
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public double getDouble(final int key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) ? namedArgs.getDouble(index) : super.getDouble(key);
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}
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@Override
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public Object get(final Object key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) ? namedArgs.getObject(index) : super.get(key);
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}
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@Override
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public Object get(final double key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) ? namedArgs.getObject(index) : super.get(key);
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}
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@Override
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public Object get(final long key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) ? namedArgs.getObject(index) : super.get(key);
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}
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@Override
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public Object get(final int key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) ? namedArgs.getObject(index) : super.get(key);
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}
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@Override
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public void set(final Object key, final int value, final boolean strict) {
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final int index = ArrayIndex.getArrayIndex(key);
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if (isMapped(index)) {
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namedArgs = namedArgs.set(index, value, strict);
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assert key >= 0 && key < numParams : "invalid argument index";
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if (isMapped(key)) {
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setArray(getArray().set(key, value, false));
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} else {
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super.set(key, value, strict);
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setUnmappedArg(key, value);
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}
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}
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@Override
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public void set(final Object key, final long value, final boolean strict) {
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final int index = ArrayIndex.getArrayIndex(key);
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if (isMapped(index)) {
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namedArgs = namedArgs.set(index, value, strict);
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} else {
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super.set(key, value, strict);
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}
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}
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@Override
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public void set(final Object key, final double value, final boolean strict) {
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final int index = ArrayIndex.getArrayIndex(key);
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if (isMapped(index)) {
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namedArgs = namedArgs.set(index, value, strict);
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} else {
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super.set(key, value, strict);
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}
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}
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@Override
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public void set(final Object key, final Object value, final boolean strict) {
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final int index = ArrayIndex.getArrayIndex(key);
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if (isMapped(index)) {
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namedArgs = namedArgs.set(index, value, strict);
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} else {
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super.set(key, value, strict);
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}
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}
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@Override
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public void set(final double key, final int value, final boolean strict) {
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final int index = ArrayIndex.getArrayIndex(key);
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if (isMapped(index)) {
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namedArgs = namedArgs.set(index, value, strict);
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} else {
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super.set(key, value, strict);
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}
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}
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@Override
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public void set(final double key, final long value, final boolean strict) {
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final int index = ArrayIndex.getArrayIndex(key);
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if (isMapped(index)) {
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namedArgs = namedArgs.set(index, value, strict);
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} else {
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super.set(key, value, strict);
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}
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}
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@Override
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public void set(final double key, final double value, final boolean strict) {
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final int index = ArrayIndex.getArrayIndex(key);
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if (isMapped(index)) {
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namedArgs = namedArgs.set(index, value, strict);
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} else {
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super.set(key, value, strict);
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}
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}
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@Override
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public void set(final double key, final Object value, final boolean strict) {
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final int index = ArrayIndex.getArrayIndex(key);
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if (isMapped(index)) {
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namedArgs = namedArgs.set(index, value, strict);
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} else {
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super.set(key, value, strict);
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}
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}
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@Override
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public void set(final long key, final int value, final boolean strict) {
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final int index = ArrayIndex.getArrayIndex(key);
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if (isMapped(index)) {
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namedArgs = namedArgs.set(index, value, strict);
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} else {
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super.set(key, value, strict);
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}
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}
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@Override
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public void set(final long key, final long value, final boolean strict) {
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final int index = ArrayIndex.getArrayIndex(key);
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if (isMapped(index)) {
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namedArgs = namedArgs.set(index, value, strict);
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} else {
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super.set(key, value, strict);
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}
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}
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@Override
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public void set(final long key, final double value, final boolean strict) {
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final int index = ArrayIndex.getArrayIndex(key);
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if (isMapped(index)) {
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namedArgs = namedArgs.set(index, value, strict);
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} else {
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super.set(key, value, strict);
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}
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}
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@Override
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public void set(final long key, final Object value, final boolean strict) {
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final int index = ArrayIndex.getArrayIndex(key);
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if (isMapped(index)) {
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namedArgs = namedArgs.set(index, value, strict);
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} else {
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super.set(key, value, strict);
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}
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}
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@Override
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public void set(final int key, final int value, final boolean strict) {
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final int index = ArrayIndex.getArrayIndex(key);
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if (isMapped(index)) {
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namedArgs = namedArgs.set(index, value, strict);
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} else {
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super.set(key, value, strict);
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}
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}
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@Override
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public void set(final int key, final long value, final boolean strict) {
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final int index = ArrayIndex.getArrayIndex(key);
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if (isMapped(index)) {
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namedArgs = namedArgs.set(index, value, strict);
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} else {
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super.set(key, value, strict);
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}
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}
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@Override
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public void set(final int key, final double value, final boolean strict) {
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final int index = ArrayIndex.getArrayIndex(key);
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if (isMapped(index)) {
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namedArgs = namedArgs.set(index, value, strict);
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} else {
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super.set(key, value, strict);
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}
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}
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@Override
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public void set(final int key, final Object value, final boolean strict) {
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final int index = ArrayIndex.getArrayIndex(key);
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if (isMapped(index)) {
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namedArgs = namedArgs.set(index, value, strict);
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} else {
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super.set(key, value, strict);
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}
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}
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@Override
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public boolean has(final Object key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) || super.has(key);
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}
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@Override
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public boolean has(final double key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) || super.has(key);
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}
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@Override
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public boolean has(final long key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) || super.has(key);
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}
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@Override
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public boolean has(final int key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) || super.has(key);
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}
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@Override
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public boolean hasOwnProperty(final Object key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) || super.hasOwnProperty(key);
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}
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@Override
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public boolean hasOwnProperty(final int key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) || super.hasOwnProperty(key);
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}
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@Override
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public boolean hasOwnProperty(final long key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) || super.hasOwnProperty(key);
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}
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@Override
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public boolean hasOwnProperty(final double key) {
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final int index = ArrayIndex.getArrayIndex(key);
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return isMapped(index) || super.hasOwnProperty(key);
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}
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@Override
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public boolean delete(final int key, final boolean strict) {
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final int index = ArrayIndex.getArrayIndex(key);
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final boolean success = super.delete(key, strict);
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if (success && namedArgs.has(index)) {
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setDeleted(index);
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}
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return success;
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return isMapped(index) ? deleteMapped(index, strict) : super.delete(key, strict);
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}
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@Override
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public boolean delete(final long key, final boolean strict) {
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final int index = ArrayIndex.getArrayIndex(key);
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final boolean success = super.delete(key, strict);
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if (success && namedArgs.has(index)) {
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setDeleted(index);
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}
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return success;
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return isMapped(index) ? deleteMapped(index, strict) : super.delete(key, strict);
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}
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@Override
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public boolean delete(final double key, final boolean strict) {
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final int index = ArrayIndex.getArrayIndex(key);
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final boolean success = super.delete(key, strict);
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if (success && namedArgs.has(index)) {
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setDeleted(index);
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}
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return success;
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return isMapped(index) ? deleteMapped(index, strict) : super.delete(key, strict);
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}
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@Override
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public boolean delete(final Object key, final boolean strict) {
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final int index = ArrayIndex.getArrayIndex(key);
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final boolean success = super.delete(key, strict);
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if (success && namedArgs.has(index)) {
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setDeleted(index);
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}
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return success;
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return isMapped(index) ? deleteMapped(index, strict) : super.delete(key, strict);
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}
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/**
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@ -483,29 +152,27 @@ public final class NativeArguments extends ScriptObject {
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public boolean defineOwnProperty(final String key, final Object propertyDesc, final boolean reject) {
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final int index = ArrayIndex.getArrayIndex(key);
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if (index >= 0) {
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final boolean allowed = super.defineOwnProperty(key, propertyDesc, false);
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if (!allowed) {
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final boolean isMapped = isMapped(index);
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final Object oldValue = isMapped ? getArray().getObject(index) : null;
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if (!super.defineOwnProperty(key, propertyDesc, false)) {
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if (reject) {
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throw typeError("cant.redefine.property", key, ScriptRuntime.safeToString(this));
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}
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return false;
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}
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if (isMapped(index)) {
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if (isMapped) {
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// When mapped argument is redefined, if new descriptor is accessor property
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// or data-non-writable property, we have to "unmap" (unlink).
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final PropertyDescriptor desc = toPropertyDescriptor(Global.instance(), propertyDesc);
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if (desc.type() == PropertyDescriptor.ACCESSOR) {
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setDeleted(index);
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} else {
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// set "value" from new descriptor to named args
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if (desc.has(PropertyDescriptor.VALUE)) {
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namedArgs = namedArgs.set(index, desc.getValue(), false);
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}
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if (desc.has(PropertyDescriptor.WRITABLE) && !desc.isWritable()) {
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setDeleted(index);
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}
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setDeleted(index, oldValue);
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} else if (desc.has(PropertyDescriptor.WRITABLE) && !desc.isWritable()) {
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// delete and set value from new descriptor if it has one, otherwise use old value
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setDeleted(index, desc.has(PropertyDescriptor.VALUE) ? desc.getValue() : oldValue);
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} else if (desc.has(PropertyDescriptor.VALUE)) {
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setArray(getArray().set(index, desc.getValue(), false));
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}
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}
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@ -519,31 +186,72 @@ public final class NativeArguments extends ScriptObject {
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// We track deletions using a bit set (delete arguments[index])
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private boolean isDeleted(final int index) {
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return (deleted != null) ? deleted.get(index) : false;
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return deleted != null && deleted.get(index);
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}
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private void setDeleted(final int index) {
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private void setDeleted(final int index, final Object unmappedValue) {
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if (deleted == null) {
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deleted = new BitSet((int)namedArgs.length());
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deleted = new BitSet(numMapped);
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}
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deleted.set(index, true);
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setUnmappedArg(index, unmappedValue);
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}
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private boolean deleteMapped(final int index, final boolean strict) {
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final Object value = getArray().getObject(index);
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final boolean success = super.delete(index, strict);
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if (success) {
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setDeleted(index, value);
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}
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return success;
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}
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private Object getUnmappedArg(final int key) {
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assert key >= 0 && key < numParams;
|
||||
return unmappedArgs == null ? UNDEFINED : unmappedArgs.getObject(key);
|
||||
}
|
||||
|
||||
private void setUnmappedArg(final int key, final Object value) {
|
||||
assert key >= 0 && key < numParams;
|
||||
if (unmappedArgs == null) {
|
||||
/*
|
||||
* Declared number of parameters may be more or less than the actual passed
|
||||
* runtime arguments count. We need to truncate or extend with undefined values.
|
||||
*
|
||||
* Example:
|
||||
*
|
||||
* // less declared params
|
||||
* (function (x) { print(arguments); })(20, 44);
|
||||
*
|
||||
* // more declared params
|
||||
* (function (x, y) { print(arguments); })(3);
|
||||
*/
|
||||
final Object[] newValues = new Object[numParams];
|
||||
System.arraycopy(getArray().asObjectArray(), 0, newValues, 0, numMapped);
|
||||
if (numMapped < numParams) {
|
||||
Arrays.fill(newValues, numMapped, numParams, UNDEFINED);
|
||||
}
|
||||
this.unmappedArgs = ArrayData.allocate(newValues);
|
||||
}
|
||||
// Set value of argument
|
||||
unmappedArgs = unmappedArgs.set(key, value, false);
|
||||
}
|
||||
|
||||
/**
|
||||
* Are arguments[index] and corresponding named parameter linked?
|
||||
*
|
||||
* In non-strict mode, arguments[index] and corresponding named param
|
||||
* are "linked" or "mapped". Modifications are tacked b/w each other - till
|
||||
* (delete arguments[index]) is used. Once deleted, the corresponding arg
|
||||
* is no longer 'mapped'. Please note that delete can happen only through
|
||||
* the arguments array - named param can not be deleted. (delete is one-way).
|
||||
* In non-strict mode, arguments[index] and corresponding named param are "linked" or "mapped"
|
||||
* if the argument is provided by the caller. Modifications are tacked b/w each other - until
|
||||
* (delete arguments[index]) is used. Once deleted, the corresponding arg is no longer 'mapped'.
|
||||
* Please note that delete can happen only through the arguments array - named param can not
|
||||
* be deleted. (delete is one-way).
|
||||
*/
|
||||
private boolean isMapped(final int index) {
|
||||
// in named args and not marked as "deleted"
|
||||
return namedArgs.has(index) && !isDeleted(index);
|
||||
// in mapped named args and not marked as "deleted"
|
||||
return index >= 0 && index < numMapped && !isDeleted(index);
|
||||
}
|
||||
|
||||
/**
|
||||
/**
|
||||
* Factory to create correct Arguments object based on strict mode.
|
||||
*
|
||||
* @param arguments the actual arguments array passed
|
||||
|
||||
93
nashorn/test/script/basic/JDK-8022731.js
Normal file
93
nashorn/test/script/basic/JDK-8022731.js
Normal file
@ -0,0 +1,93 @@
|
||||
/*
|
||||
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
|
||||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||||
*
|
||||
* This code is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License version 2 only, as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* This code is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
* version 2 for more details (a copy is included in the LICENSE file that
|
||||
* accompanied this code).
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License version
|
||||
* 2 along with this work; if not, write to the Free Software Foundation,
|
||||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*
|
||||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
||||
* or visit www.oracle.com if you need additional information or have any
|
||||
* questions.
|
||||
*/
|
||||
|
||||
/**
|
||||
* JDK-8022731: NativeArguments has wrong implementation of isMapped()
|
||||
*
|
||||
* @test
|
||||
* @run
|
||||
*/
|
||||
|
||||
Object.defineProperty(Object.prototype, "0", {value: "proto"});
|
||||
|
||||
function test0(a, b) {
|
||||
Object.defineProperty(arguments, "1", {get: function() { return "get" }});
|
||||
return arguments[0];
|
||||
}
|
||||
|
||||
function test1(a, b) {
|
||||
Object.defineProperty(arguments, "0", {get: function() { return "get" }});
|
||||
return a;
|
||||
}
|
||||
|
||||
function test2(a, b) {
|
||||
Object.defineProperty(arguments, "0", {value: "value"});
|
||||
delete arguments[0];
|
||||
return a;
|
||||
}
|
||||
|
||||
function test3(a, b) {
|
||||
arguments[1] = "arg1";
|
||||
return b;
|
||||
}
|
||||
|
||||
function test4(a, b) {
|
||||
b = "b";
|
||||
return arguments[1];
|
||||
}
|
||||
|
||||
function test5(a, b) {
|
||||
Object.defineProperty(arguments, "0", {value: "value"});
|
||||
arguments[0] = "new";
|
||||
return a;
|
||||
}
|
||||
|
||||
function test6(a, b) {
|
||||
Object.defineProperty(arguments, "0", {value: "value"});
|
||||
arguments[0] = "new";
|
||||
delete arguments[0];
|
||||
return a;
|
||||
}
|
||||
|
||||
function test7(a, b) {
|
||||
Object.defineProperty(arguments, "0", {value: "value", writable: false});
|
||||
arguments[0] = "new";
|
||||
return a;
|
||||
}
|
||||
|
||||
print(test0());
|
||||
print(test0("p1", "p2"));
|
||||
print(test1());
|
||||
print(test1("p1"));
|
||||
print(test2());
|
||||
print(test2("p1"));
|
||||
print(test3());
|
||||
print(test3(1, 2));
|
||||
print(test4());
|
||||
print(test4("p1", "p2"));
|
||||
print(test5());
|
||||
print(test5("p1"));
|
||||
print(test6());
|
||||
print(test6("p1"));
|
||||
print(test7());
|
||||
print(test7("p1"));
|
||||
16
nashorn/test/script/basic/JDK-8022731.js.EXPECTED
Normal file
16
nashorn/test/script/basic/JDK-8022731.js.EXPECTED
Normal file
@ -0,0 +1,16 @@
|
||||
proto
|
||||
p1
|
||||
undefined
|
||||
p1
|
||||
undefined
|
||||
value
|
||||
undefined
|
||||
arg1
|
||||
undefined
|
||||
b
|
||||
undefined
|
||||
new
|
||||
undefined
|
||||
new
|
||||
undefined
|
||||
value
|
||||
Loading…
x
Reference in New Issue
Block a user