jdk.nashorn.internal.runtime.FindProperty Java Examples
The following examples show how to use
jdk.nashorn.internal.runtime.FindProperty.
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Example #1
| Source File: PrimitiveLookup.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
|
@SuppressWarnings("unused")
private static void primitiveSetter(final ScriptObject wrappedSelf, final Object self, final Object key,
final boolean strict, final Object value) {
// See ES5.1 8.7.2 PutValue (V, W)
final String name = JSType.toString(key);
final FindProperty find = wrappedSelf.findProperty(name, true);
if (find == null || !find.getProperty().isAccessorProperty() || !find.getProperty().hasNativeSetter()) {
if (strict) {
if (find == null || !find.getProperty().isAccessorProperty()) {
throw typeError("property.not.writable", name, ScriptRuntime.safeToString(self));
} else {
throw typeError("property.has.no.setter", name, ScriptRuntime.safeToString(self));
}
}
return;
}
// property found and is a UserAccessorProperty
find.setValue(value, strict);
}
Example #2
| Source File: TypeEvaluator.java From hottub with GNU General Public License v2.0 | 5 votes |
|
private static Object evaluatePropertySafely(final ScriptObject sobj, final String name) {
final FindProperty find = sobj.findProperty(name, true);
if (find == null) {
return null;
}
final Property property = find.getProperty();
final ScriptObject owner = find.getOwner();
if (property.hasGetterFunction(owner)) {
// Possible side effects; can't evaluate safely
return null;
}
return property.getObjectValue(owner, owner);
}
Example #3
| Source File: NativeJSAdapter.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
@Override
protected GuardedInvocation findGetMethod(final CallSiteDescriptor desc, final LinkRequest request) {
final String name = NashornCallSiteDescriptor.getOperand(desc);
if (overrides && super.hasOwnProperty(name)) {
try {
final GuardedInvocation inv = super.findGetMethod(desc, request);
if (inv != null) {
return inv;
}
} catch (final Exception e) {
//ignored
}
}
if (!NashornCallSiteDescriptor.isMethodFirstOperation(desc)) {
return findHook(desc, __get__);
} else {
final FindProperty find = adaptee.findProperty(__call__, true);
if (find != null) {
final Object value = find.getObjectValue();
if (value instanceof ScriptFunction) {
final ScriptFunction func = (ScriptFunction)value;
// TODO: It's a shame we need to produce a function bound to this and name, when we'd only need it bound
// to name. Probably not a big deal, but if we can ever make it leaner, it'd be nice.
return new GuardedInvocation(MH.dropArguments(MH.constant(Object.class,
func.createBound(this, new Object[] { name })), 0, Object.class),
testJSAdapter(adaptee, null, null, null),
adaptee.getProtoSwitchPoints(__call__, find.getOwner()), null);
}
}
throw typeError("no.such.function", name, ScriptRuntime.safeToString(this));
}
}
Example #4
| Source File: Global.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
@Override
protected FindProperty findProperty(final Object key, final boolean deep, final boolean isScope, final ScriptObject start) {
if (lexicalScope != null && isScope) {
final FindProperty find = lexicalScope.findProperty(key, false);
if (find != null) {
return find;
}
}
return super.findProperty(key, deep, isScope, start);
}
Example #5
| Source File: TypeEvaluator.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
private static Type getPropertyType(final ScriptObject sobj, final String name) {
final FindProperty find = sobj.findProperty(name, true);
if (find == null) {
return null;
}
final Property property = find.getProperty();
final Class<?> propertyClass = property.getType();
if (propertyClass == null) {
// propertyClass == null means its value is Undefined. It is probably not initialized yet, so we won't make
// a type assumption yet.
return null;
} else if (propertyClass.isPrimitive()) {
return Type.typeFor(propertyClass);
}
final ScriptObject owner = find.getOwner();
if (property.hasGetterFunction(owner)) {
// Can have side effects, so we can't safely evaluate it; since !propertyClass.isPrimitive(), it's Object.
return Type.OBJECT;
}
// Safely evaluate the property, and return the narrowest type for the actual value (e.g. Type.INT for a boxed
// integer).
final Object value = property.needsDeclaration() ? ScriptRuntime.UNDEFINED : property.getObjectValue(owner, owner);
if (value == ScriptRuntime.UNDEFINED) {
return null;
}
return Type.typeFor(JSType.unboxedFieldType(value));
}
Example #6
| Source File: TypeEvaluator.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
private static Object evaluatePropertySafely(final ScriptObject sobj, final String name) {
final FindProperty find = sobj.findProperty(name, true);
if (find == null) {
return null;
}
final Property property = find.getProperty();
final ScriptObject owner = find.getOwner();
if (property.hasGetterFunction(owner)) {
// Possible side effects; can't evaluate safely
return null;
}
return property.getObjectValue(owner, owner);
}
Example #7
| Source File: NativeJSAdapter.java From hottub with GNU General Public License v2.0 | 5 votes |
|
@Override
protected GuardedInvocation findGetMethod(final CallSiteDescriptor desc, final LinkRequest request, final String operation) {
final String name = desc.getNameToken(CallSiteDescriptor.NAME_OPERAND);
if (overrides && super.hasOwnProperty(name)) {
try {
final GuardedInvocation inv = super.findGetMethod(desc, request, operation);
if (inv != null) {
return inv;
}
} catch (final Exception e) {
//ignored
}
}
switch(operation) {
case "getProp":
case "getElem":
return findHook(desc, __get__);
case "getMethod":
final FindProperty find = adaptee.findProperty(__call__, true);
if (find != null) {
final Object value = find.getObjectValue();
if (value instanceof ScriptFunction) {
final ScriptFunction func = (ScriptFunction)value;
// TODO: It's a shame we need to produce a function bound to this and name, when we'd only need it bound
// to name. Probably not a big deal, but if we can ever make it leaner, it'd be nice.
return new GuardedInvocation(MH.dropArguments(MH.constant(Object.class,
func.createBound(this, new Object[] { name })), 0, Object.class),
testJSAdaptor(adaptee, null, null, null),
adaptee.getProtoSwitchPoints(__call__, find.getOwner()), null);
}
}
throw typeError("no.such.function", desc.getNameToken(2), ScriptRuntime.safeToString(this));
default:
break;
}
throw new AssertionError("should not reach here");
}
Example #8
| Source File: Global.java From hottub with GNU General Public License v2.0 | 5 votes |
|
@Override
protected FindProperty findProperty(final String key, final boolean deep, final ScriptObject start) {
if (lexicalScope != null && start != this && start.isScope()) {
final FindProperty find = lexicalScope.findProperty(key, false);
if (find != null) {
return find;
}
}
return super.findProperty(key, deep, start);
}
Example #9
| Source File: PrimitiveLookup.java From hottub with GNU General Public License v2.0 | 5 votes |
|
@SuppressWarnings("unused")
private static void primitiveSetter(final ScriptObject wrappedSelf, final Object self, final Object key,
final boolean strict, final Object value) {
// See ES5.1 8.7.2 PutValue (V, W)
final String name = JSType.toString(key);
final FindProperty find = wrappedSelf.findProperty(name, true);
if (find == null || !(find.getProperty() instanceof UserAccessorProperty) || !find.getProperty().isWritable()) {
if (strict) {
throw typeError("property.not.writable", name, ScriptRuntime.safeToString(self));
}
return;
}
// property found and is a UserAccessorProperty
find.setValue(value, strict);
}
Example #10
| Source File: TypeEvaluator.java From hottub with GNU General Public License v2.0 | 5 votes |
|
private static Type getPropertyType(final ScriptObject sobj, final String name) {
final FindProperty find = sobj.findProperty(name, true);
if (find == null) {
return null;
}
final Property property = find.getProperty();
final Class<?> propertyClass = property.getType();
if (propertyClass == null) {
// propertyClass == null means its value is Undefined. It is probably not initialized yet, so we won't make
// a type assumption yet.
return null;
} else if (propertyClass.isPrimitive()) {
return Type.typeFor(propertyClass);
}
final ScriptObject owner = find.getOwner();
if (property.hasGetterFunction(owner)) {
// Can have side effects, so we can't safely evaluate it; since !propertyClass.isPrimitive(), it's Object.
return Type.OBJECT;
}
// Safely evaluate the property, and return the narrowest type for the actual value (e.g. Type.INT for a boxed
// integer).
final Object value = property.needsDeclaration() ? ScriptRuntime.UNDEFINED : property.getObjectValue(owner, owner);
if (value == ScriptRuntime.UNDEFINED) {
return null;
}
return Type.typeFor(JSType.unboxedFieldType(value));
}
Example #11
| Source File: TypeEvaluator.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
|
private static Object evaluatePropertySafely(final ScriptObject sobj, final String name) {
final FindProperty find = sobj.findProperty(name, true);
if (find == null) {
return null;
}
final Property property = find.getProperty();
final ScriptObject owner = find.getOwner();
if (property.hasGetterFunction(owner)) {
// Possible side effects; can't evaluate safely
return null;
}
return property.getObjectValue(owner, owner);
}
Example #12
| Source File: NativeJSAdapter.java From openjdk-8-source with GNU General Public License v2.0 | 5 votes |
|
@Override
protected GuardedInvocation findGetMethod(final CallSiteDescriptor desc, final LinkRequest request, final String operation) {
final String name = desc.getNameToken(CallSiteDescriptor.NAME_OPERAND);
if (overrides && super.hasOwnProperty(name)) {
try {
final GuardedInvocation inv = super.findGetMethod(desc, request, operation);
if (inv != null) {
return inv;
}
} catch (final Exception e) {
//ignored
}
}
switch(operation) {
case "getProp":
case "getElem":
return findHook(desc, __get__);
case "getMethod":
final FindProperty find = adaptee.findProperty(__call__, true);
if (find != null) {
final Object value = getObjectValue(find);
if (value instanceof ScriptFunction) {
final ScriptFunctionImpl func = (ScriptFunctionImpl)value;
// TODO: It's a shame we need to produce a function bound to this and name, when we'd only need it bound
// to name. Probably not a big deal, but if we can ever make it leaner, it'd be nice.
return new GuardedInvocation(MH.dropArguments(MH.constant(Object.class,
func.makeBoundFunction(this, new Object[] { name })), 0, Object.class),
adaptee.getMap().getProtoGetSwitchPoint(adaptee.getProto(), __call__),
testJSAdaptor(adaptee, null, null, null));
}
}
throw typeError("no.such.function", desc.getNameToken(2), ScriptRuntime.safeToString(this));
default:
break;
}
throw new AssertionError("should not reach here");
}
Example #13
| Source File: NativeJSAdapter.java From openjdk-8 with GNU General Public License v2.0 | 5 votes |
|
@Override
protected GuardedInvocation findGetMethod(final CallSiteDescriptor desc, final LinkRequest request, final String operation) {
final String name = desc.getNameToken(CallSiteDescriptor.NAME_OPERAND);
if (overrides && super.hasOwnProperty(name)) {
try {
final GuardedInvocation inv = super.findGetMethod(desc, request, operation);
if (inv != null) {
return inv;
}
} catch (final Exception e) {
//ignored
}
}
switch(operation) {
case "getProp":
case "getElem":
return findHook(desc, __get__);
case "getMethod":
final FindProperty find = adaptee.findProperty(__call__, true);
if (find != null) {
final Object value = getObjectValue(find);
if (value instanceof ScriptFunction) {
final ScriptFunctionImpl func = (ScriptFunctionImpl)value;
// TODO: It's a shame we need to produce a function bound to this and name, when we'd only need it bound
// to name. Probably not a big deal, but if we can ever make it leaner, it'd be nice.
return new GuardedInvocation(MH.dropArguments(MH.constant(Object.class,
func.makeBoundFunction(this, new Object[] { name })), 0, Object.class),
adaptee.getMap().getProtoGetSwitchPoint(adaptee.getProto(), __call__),
testJSAdaptor(adaptee, null, null, null));
}
}
throw typeError("no.such.function", desc.getNameToken(2), ScriptRuntime.safeToString(this));
default:
break;
}
throw new AssertionError("should not reach here");
}
Example #14
| Source File: NativeJSAdapter.java From jdk8u_nashorn with GNU General Public License v2.0 | 5 votes |
|
@Override
protected GuardedInvocation findGetMethod(final CallSiteDescriptor desc, final LinkRequest request, final String operation) {
final String name = desc.getNameToken(CallSiteDescriptor.NAME_OPERAND);
if (overrides && super.hasOwnProperty(name)) {
try {
final GuardedInvocation inv = super.findGetMethod(desc, request, operation);
if (inv != null) {
return inv;
}
} catch (final Exception e) {
//ignored
}
}
switch(operation) {
case "getProp":
case "getElem":
return findHook(desc, __get__);
case "getMethod":
final FindProperty find = adaptee.findProperty(__call__, true);
if (find != null) {
final Object value = find.getObjectValue();
if (value instanceof ScriptFunction) {
final ScriptFunction func = (ScriptFunction)value;
// TODO: It's a shame we need to produce a function bound to this and name, when we'd only need it bound
// to name. Probably not a big deal, but if we can ever make it leaner, it'd be nice.
return new GuardedInvocation(MH.dropArguments(MH.constant(Object.class,
func.createBound(this, new Object[] { name })), 0, Object.class),
testJSAdaptor(adaptee, null, null, null),
adaptee.getProtoSwitchPoints(__call__, find.getOwner()), null);
}
}
throw typeError("no.such.function", desc.getNameToken(2), ScriptRuntime.safeToString(this));
default:
break;
}
throw new AssertionError("should not reach here");
}
Example #15
| Source File: Global.java From jdk8u_nashorn with GNU General Public License v2.0 | 5 votes |
|
@Override
protected FindProperty findProperty(final String key, final boolean deep, final ScriptObject start) {
if (lexicalScope != null && start != this && start.isScope()) {
final FindProperty find = lexicalScope.findProperty(key, false);
if (find != null) {
return find;
}
}
return super.findProperty(key, deep, start);
}
Example #16
| Source File: PrimitiveLookup.java From jdk8u_nashorn with GNU General Public License v2.0 | 5 votes |
|
@SuppressWarnings("unused")
private static void primitiveSetter(final ScriptObject wrappedSelf, final Object self, final Object key,
final boolean strict, final Object value) {
// See ES5.1 8.7.2 PutValue (V, W)
final String name = JSType.toString(key);
final FindProperty find = wrappedSelf.findProperty(name, true);
if (find == null || !(find.getProperty() instanceof UserAccessorProperty) || !find.getProperty().isWritable()) {
if (strict) {
throw typeError("property.not.writable", name, ScriptRuntime.safeToString(self));
}
return;
}
// property found and is a UserAccessorProperty
find.setValue(value, strict);
}
Example #17
| Source File: TypeEvaluator.java From jdk8u_nashorn with GNU General Public License v2.0 | 5 votes |
|
private static Type getPropertyType(final ScriptObject sobj, final String name) {
final FindProperty find = sobj.findProperty(name, true);
if (find == null) {
return null;
}
final Property property = find.getProperty();
final Class<?> propertyClass = property.getType();
if (propertyClass == null) {
// propertyClass == null means its value is Undefined. It is probably not initialized yet, so we won't make
// a type assumption yet.
return null;
} else if (propertyClass.isPrimitive()) {
return Type.typeFor(propertyClass);
}
final ScriptObject owner = find.getOwner();
if (property.hasGetterFunction(owner)) {
// Can have side effects, so we can't safely evaluate it; since !propertyClass.isPrimitive(), it's Object.
return Type.OBJECT;
}
// Safely evaluate the property, and return the narrowest type for the actual value (e.g. Type.INT for a boxed
// integer).
final Object value = property.needsDeclaration() ? ScriptRuntime.UNDEFINED : property.getObjectValue(owner, owner);
if (value == ScriptRuntime.UNDEFINED) {
return null;
}
return Type.typeFor(JSType.unboxedFieldType(value));
}
Example #18
| Source File: TypeEvaluator.java From jdk8u_nashorn with GNU General Public License v2.0 | 5 votes |
|
private static Object evaluatePropertySafely(final ScriptObject sobj, final String name) {
final FindProperty find = sobj.findProperty(name, true);
if (find == null) {
return null;
}
final Property property = find.getProperty();
final ScriptObject owner = find.getOwner();
if (property.hasGetterFunction(owner)) {
// Possible side effects; can't evaluate safely
return null;
}
return property.getObjectValue(owner, owner);
}
Example #19
| Source File: NativeJSAdapter.java From nashorn with GNU General Public License v2.0 | 5 votes |
|
@Override
protected GuardedInvocation findGetMethod(final CallSiteDescriptor desc, final LinkRequest request, final String operation) {
final String name = desc.getNameToken(CallSiteDescriptor.NAME_OPERAND);
if (overrides && super.hasOwnProperty(name)) {
try {
final GuardedInvocation inv = super.findGetMethod(desc, request, operation);
if (inv != null) {
return inv;
}
} catch (final Exception e) {
//ignored
}
}
switch(operation) {
case "getProp":
case "getElem":
return findHook(desc, __get__);
case "getMethod":
final FindProperty find = adaptee.findProperty(__call__, true);
if (find != null) {
final Object value = getObjectValue(find);
if (value instanceof ScriptFunction) {
final ScriptFunctionImpl func = (ScriptFunctionImpl)value;
// TODO: It's a shame we need to produce a function bound to this and name, when we'd only need it bound
// to name. Probably not a big deal, but if we can ever make it leaner, it'd be nice.
return new GuardedInvocation(MH.dropArguments(MH.constant(Object.class,
func.makeBoundFunction(this, new Object[] { name })), 0, Object.class),
adaptee.getMap().getProtoGetSwitchPoint(adaptee.getProto(), __call__), testJSAdaptor(adaptee, null, null, null));
}
}
throw typeError("no.such.function", desc.getNameToken(2), ScriptRuntime.safeToString(this));
default:
break;
}
throw new AssertionError("should not reach here");
}
Example #20
| Source File: NativeJSAdapter.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
|
@Override
protected GuardedInvocation findGetMethod(final CallSiteDescriptor desc, final LinkRequest request, final String operation) {
final String name = desc.getNameToken(CallSiteDescriptor.NAME_OPERAND);
if (overrides && super.hasOwnProperty(name)) {
try {
final GuardedInvocation inv = super.findGetMethod(desc, request, operation);
if (inv != null) {
return inv;
}
} catch (final Exception e) {
//ignored
}
}
switch(operation) {
case "getProp":
case "getElem":
return findHook(desc, __get__);
case "getMethod":
final FindProperty find = adaptee.findProperty(__call__, true);
if (find != null) {
final Object value = find.getObjectValue();
if (value instanceof ScriptFunction) {
final ScriptFunction func = (ScriptFunction)value;
// TODO: It's a shame we need to produce a function bound to this and name, when we'd only need it bound
// to name. Probably not a big deal, but if we can ever make it leaner, it'd be nice.
return new GuardedInvocation(MH.dropArguments(MH.constant(Object.class,
func.createBound(this, new Object[] { name })), 0, Object.class),
testJSAdaptor(adaptee, null, null, null),
adaptee.getProtoSwitchPoints(__call__, find.getOwner()), null);
}
}
throw typeError("no.such.function", desc.getNameToken(2), ScriptRuntime.safeToString(this));
default:
break;
}
throw new AssertionError("should not reach here");
}
Example #21
| Source File: Global.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
@Override
protected FindProperty findProperty(final String key, final boolean deep, final ScriptObject start) {
if (lexicalScope != null && start != this && start.isScope()) {
final FindProperty find = lexicalScope.findProperty(key, false);
if (find != null) {
return find;
}
}
return super.findProperty(key, deep, start);
}
Example #22
| Source File: PrimitiveLookup.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
@SuppressWarnings("unused")
private static void primitiveSetter(final ScriptObject wrappedSelf, final Object self, final Object key,
final boolean strict, final Object value) {
// See ES5.1 8.7.2 PutValue (V, W)
final String name = JSType.toString(key);
final FindProperty find = wrappedSelf.findProperty(name, true);
if (find == null || !(find.getProperty() instanceof UserAccessorProperty) || !find.getProperty().isWritable()) {
if (strict) {
throw typeError("property.not.writable", name, ScriptRuntime.safeToString(self));
}
return;
}
// property found and is a UserAccessorProperty
find.setValue(value, strict);
}
Example #23
| Source File: TypeEvaluator.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
private static Type getPropertyType(final ScriptObject sobj, final String name) {
final FindProperty find = sobj.findProperty(name, true);
if (find == null) {
return null;
}
final Property property = find.getProperty();
final Class<?> propertyClass = property.getType();
if (propertyClass == null) {
// propertyClass == null means its value is Undefined. It is probably not initialized yet, so we won't make
// a type assumption yet.
return null;
} else if (propertyClass.isPrimitive()) {
return Type.typeFor(propertyClass);
}
final ScriptObject owner = find.getOwner();
if (property.hasGetterFunction(owner)) {
// Can have side effects, so we can't safely evaluate it; since !propertyClass.isPrimitive(), it's Object.
return Type.OBJECT;
}
// Safely evaluate the property, and return the narrowest type for the actual value (e.g. Type.INT for a boxed
// integer).
final Object value = property.needsDeclaration() ? ScriptRuntime.UNDEFINED : property.getObjectValue(owner, owner);
if (value == ScriptRuntime.UNDEFINED) {
return null;
}
return Type.typeFor(JSType.unboxedFieldType(value));
}
Example #24
| Source File: TypeEvaluator.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
private static Object evaluatePropertySafely(final ScriptObject sobj, final String name) {
final FindProperty find = sobj.findProperty(name, true);
if (find == null) {
return null;
}
final Property property = find.getProperty();
final ScriptObject owner = find.getOwner();
if (property.hasGetterFunction(owner)) {
// Possible side effects; can't evaluate safely
return null;
}
return property.getObjectValue(owner, owner);
}
Example #25
| Source File: NativeJSAdapter.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
|
@Override
protected GuardedInvocation findGetMethod(final CallSiteDescriptor desc, final LinkRequest request, final String operation) {
final String name = desc.getNameToken(CallSiteDescriptor.NAME_OPERAND);
if (overrides && super.hasOwnProperty(name)) {
try {
final GuardedInvocation inv = super.findGetMethod(desc, request, operation);
if (inv != null) {
return inv;
}
} catch (final Exception e) {
//ignored
}
}
switch(operation) {
case "getProp":
case "getElem":
return findHook(desc, __get__);
case "getMethod":
final FindProperty find = adaptee.findProperty(__call__, true);
if (find != null) {
final Object value = find.getObjectValue();
if (value instanceof ScriptFunction) {
final ScriptFunctionImpl func = (ScriptFunctionImpl)value;
// TODO: It's a shame we need to produce a function bound to this and name, when we'd only need it bound
// to name. Probably not a big deal, but if we can ever make it leaner, it'd be nice.
return new GuardedInvocation(MH.dropArguments(MH.constant(Object.class,
func.makeBoundFunction(this, new Object[] { name })), 0, Object.class),
testJSAdaptor(adaptee, null, null, null),
adaptee.getProtoSwitchPoint(__call__, find.getOwner()));
}
}
throw typeError("no.such.function", desc.getNameToken(2), ScriptRuntime.safeToString(this));
default:
break;
}
throw new AssertionError("should not reach here");
}
Example #26
| Source File: Global.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
|
@Override
protected FindProperty findProperty(final String key, final boolean deep, final ScriptObject start) {
if (lexicalScope != null && start != this && start.isScope()) {
final FindProperty find = lexicalScope.findProperty(key, false);
if (find != null) {
return find;
}
}
return super.findProperty(key, deep, start);
}
Example #27
| Source File: PrimitiveLookup.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
|
@SuppressWarnings("unused")
private static void primitiveSetter(final ScriptObject wrappedSelf, final Object self, final Object key,
final boolean strict, final Object value) {
// See ES5.1 8.7.2 PutValue (V, W)
final String name = JSType.toString(key);
final FindProperty find = wrappedSelf.findProperty(name, true);
if (find == null || !(find.getProperty() instanceof UserAccessorProperty) || !find.getProperty().isWritable()) {
if (strict) {
throw typeError("property.not.writable", name, ScriptRuntime.safeToString(self));
}
return;
}
// property found and is a UserAccessorProperty
find.setValue(value, strict);
}
Example #28
| Source File: TypeEvaluator.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
|
private static Type getPropertyType(final ScriptObject sobj, final String name) {
final FindProperty find = sobj.findProperty(name, true);
if (find == null) {
return null;
}
final Property property = find.getProperty();
final Class<?> propertyClass = property.getType();
if (propertyClass == null) {
// propertyClass == null means its value is Undefined. It is probably not initialized yet, so we won't make
// a type assumption yet.
return null;
} else if (propertyClass.isPrimitive()) {
return Type.typeFor(propertyClass);
}
final ScriptObject owner = find.getOwner();
if (property.hasGetterFunction(owner)) {
// Can have side effects, so we can't safely evaluate it; since !propertyClass.isPrimitive(), it's Object.
return Type.OBJECT;
}
// Safely evaluate the property, and return the narrowest type for the actual value (e.g. Type.INT for a boxed
// integer).
final Object value = property.needsDeclaration() ? ScriptRuntime.UNDEFINED : property.getObjectValue(owner, owner);
if (value == ScriptRuntime.UNDEFINED) {
return null;
}
return Type.typeFor(JSType.unboxedFieldType(value));
}
Example #29
| Source File: TypeEvaluator.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
|
private static Object evaluatePropertySafely(final ScriptObject sobj, final String name) {
final FindProperty find = sobj.findProperty(name, true);
if (find == null) {
return null;
}
final Property property = find.getProperty();
final ScriptObject owner = find.getOwner();
if (property.hasGetterFunction(owner)) {
// Possible side effects; can't evaluate safely
return null;
}
return property.getObjectValue(owner, owner);
}
Example #30
| Source File: NativeJSAdapter.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
@Override
protected GuardedInvocation findGetMethod(final CallSiteDescriptor desc, final LinkRequest request, final String operation) {
final String name = desc.getNameToken(CallSiteDescriptor.NAME_OPERAND);
if (overrides && super.hasOwnProperty(name)) {
try {
final GuardedInvocation inv = super.findGetMethod(desc, request, operation);
if (inv != null) {
return inv;
}
} catch (final Exception e) {
//ignored
}
}
switch(operation) {
case "getProp":
case "getElem":
return findHook(desc, __get__);
case "getMethod":
final FindProperty find = adaptee.findProperty(__call__, true);
if (find != null) {
final Object value = find.getObjectValue();
if (value instanceof ScriptFunction) {
final ScriptFunction func = (ScriptFunction)value;
// TODO: It's a shame we need to produce a function bound to this and name, when we'd only need it bound
// to name. Probably not a big deal, but if we can ever make it leaner, it'd be nice.
return new GuardedInvocation(MH.dropArguments(MH.constant(Object.class,
func.createBound(this, new Object[] { name })), 0, Object.class),
testJSAdaptor(adaptee, null, null, null),
adaptee.getProtoSwitchPoints(__call__, find.getOwner()), null);
}
}
throw typeError("no.such.function", desc.getNameToken(2), ScriptRuntime.safeToString(this));
default:
break;
}
throw new AssertionError("should not reach here");
}
