package com.oracle.truffle.js.nodes.access;
import com.oracle.truffle.api.dsl.Bind;
import com.oracle.truffle.api.dsl.Cached;
import com.oracle.truffle.api.dsl.ImportStatic;
import com.oracle.truffle.api.dsl.ReportPolymorphism;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.object.DynamicObject;
import com.oracle.truffle.api.profiles.ConditionProfile;
import com.oracle.truffle.js.nodes.JavaScriptBaseNode;
import com.oracle.truffle.js.nodes.cast.ToArrayIndexNode;
import com.oracle.truffle.js.runtime.Boundaries;
import com.oracle.truffle.js.runtime.JSContext;
import com.oracle.truffle.js.runtime.JSRuntime;
import com.oracle.truffle.js.runtime.builtins.JSClass;
import com.oracle.truffle.js.runtime.objects.JSAttributes;
import com.oracle.truffle.js.runtime.objects.JSObject;
import com.oracle.truffle.js.runtime.objects.PropertyDescriptor;
import com.oracle.truffle.js.runtime.util.JSClassProfile;
@ImportStatic({JSRuntime.class, CachedGetPropertyNode.class})
abstract class CachedSetPropertyNode extends JavaScriptBaseNode {
static final int MAX_DEPTH = 1;
protected final JSContext context;
protected final boolean strict;
protected final boolean setOwn;
protected final boolean superProperty;
CachedSetPropertyNode(JSContext context, boolean strict, boolean setOwn, boolean superProperty) {
this.context = context;
this.strict = strict;
this.setOwn = setOwn;
this.superProperty = superProperty;
}
public abstract void execute(DynamicObject target, Object propertyKey, Object value, Object receiver);
static CachedSetPropertyNode create(JSContext context, boolean strict, boolean setOwn, boolean superProperty) {
return CachedSetPropertyNodeGen.create(context, strict, setOwn, superProperty);
}
@SuppressWarnings("unused")
@Specialization(guards = {"cachedKey != null", "!isArrayIndex(cachedKey)", "propertyKeyEquals(cachedKey, key)"}, limit = "MAX_DEPTH")
void doCachedKey(DynamicObject target, Object key, Object value, Object receiver,
@Cached("cachedPropertyKey(key)") Object cachedKey,
@Cached("createSet(cachedKey)") PropertySetNode propertyNode) {
propertyNode.setValue(target, value, receiver);
}
@Specialization(guards = {"isArrayIndex(index)", "!isJSProxy(target)"})
void doIntIndex(DynamicObject target, int index, Object value, Object receiver,
@Cached("create()") JSClassProfile jsclassProfile) {
doArrayIndexLong(target, index, value, receiver, jsclassProfile.getJSClass(target));
}
@Specialization(guards = {"!isJSProxy(target)", "toArrayIndexNode.isResultArrayIndex(maybeIndex)"}, replaces = {"doIntIndex"})
void doArrayIndex(DynamicObject target, @SuppressWarnings("unused") Object key, Object value, Object receiver,
@Cached("createNoToPropertyKey()") @SuppressWarnings("unused") ToArrayIndexNode toArrayIndexNode,
@Bind("toArrayIndexNode.execute(key)") Object maybeIndex,
@Cached("create()") JSClassProfile jsclassProfile) {
long index = (long) maybeIndex;
doArrayIndexLong(target, index, value, receiver, jsclassProfile.getJSClass(target));
}
private void doArrayIndexLong(DynamicObject target, long index, Object value, Object receiver, JSClass jsclass) {
if (setOwn) {
createDataPropertyOrThrow(target, Boundaries.stringValueOf(index), value);
} else {
jsclass.set(target, index, value, receiver, strict, this);
}
}
@Specialization(guards = {"isJSProxy(target)"})
void doProxy(DynamicObject target, Object index, Object value, Object receiver,
@Cached("create(context, strict)") JSProxyPropertySetNode proxySet) {
if (setOwn) {
createDataPropertyOrThrow(target, proxySet.toPropertyKey(index), value);
} else {
proxySet.executeWithReceiverAndValue(target, receiver, value, index);
}
}
@ReportPolymorphism.Megamorphic
@Specialization(replaces = {"doCachedKey", "doArrayIndex", "doProxy"})
void doGeneric(DynamicObject target, Object key, Object value, Object receiver,
@Cached("create()") ToArrayIndexNode toArrayIndexNode,
@Cached("createBinaryProfile()") ConditionProfile getType,
@Cached("create()") JSClassProfile jsclassProfile) {
Object arrayIndex = toArrayIndexNode.execute(key);
if (getType.profile(arrayIndex instanceof Long)) {
long index = (long) arrayIndex;
doArrayIndexLong(target, index, value, receiver, jsclassProfile.getJSClass(target));
} else {
assert JSRuntime.isPropertyKey(arrayIndex);
if (setOwn) {
createDataPropertyOrThrow(target, arrayIndex, value);
} else {
JSObject.setWithReceiver(target, arrayIndex, value, receiver, strict, jsclassProfile, this);
}
}
}
private static void createDataPropertyOrThrow(DynamicObject target, Object propertyKey, Object value) {
JSObject.defineOwnProperty(target, propertyKey, PropertyDescriptor.createDataDefault(value), true);
}
PropertySetNode createSet(Object key) {
return PropertySetNode.createImpl(key, false, context, strict, setOwn, JSAttributes.getDefault(), false, superProperty);
}
}