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package com.oracle.js.parser.ir;

import com.oracle.js.parser.TokenType;
import com.oracle.js.parser.ir.visitor.NodeVisitor;
import com.oracle.js.parser.ir.visitor.TranslatorNodeVisitor;

IR representation of an object literal property.
/** * IR representation of an object literal property. */
public final class PropertyNode extends Node {
Property key.
/** Property key. */
private final Expression key;
Property value.
/** Property value. */
private final Expression value;
Property getter.
/** Property getter. */
private final FunctionNode getter;
Property setter.
/** Property setter. */
private final FunctionNode setter; private final boolean isStatic; private final boolean computed; private final boolean coverInitializedName; private final boolean proto; private final boolean classField; private final boolean isAnonymousFunctionDefinition; public PropertyNode(long token, int finish, Expression key, Expression value, FunctionNode getter, FunctionNode setter, boolean isStatic, boolean computed, boolean coverInitializedName, boolean proto) { this(token, finish, key, value, getter, setter, isStatic, computed, coverInitializedName, proto, false, false); }
Constructor
Params:
  • token – token
  • finish – finish
  • key – the key of this property
  • value – the value of this property
  • getter – getter function body
  • setter – setter function body
/** * Constructor * * @param token token * @param finish finish * @param key the key of this property * @param value the value of this property * @param getter getter function body * @param setter setter function body */
public PropertyNode(long token, int finish, Expression key, Expression value, FunctionNode getter, FunctionNode setter, boolean isStatic, boolean computed, boolean coverInitializedName, boolean proto, boolean classField, boolean isAnonymousFunctionDefinition) { super(token, finish); this.key = key; this.value = value; this.getter = getter; this.setter = setter; this.isStatic = isStatic; this.computed = computed; this.coverInitializedName = coverInitializedName; this.proto = proto; this.classField = classField; this.isAnonymousFunctionDefinition = isAnonymousFunctionDefinition; } private PropertyNode(PropertyNode propertyNode, Expression key, Expression value, FunctionNode getter, FunctionNode setter, boolean isStatic, boolean computed, boolean coverInitializedName, boolean proto) { super(propertyNode); this.key = key; this.value = value; this.getter = getter; this.setter = setter; this.isStatic = isStatic; this.computed = computed; this.coverInitializedName = coverInitializedName; this.proto = proto; this.classField = propertyNode.classField; this.isAnonymousFunctionDefinition = propertyNode.isAnonymousFunctionDefinition; }
Get the name of the property key
Returns:key name
/** * Get the name of the property key * * @return key name */
public String getKeyName() { return key instanceof PropertyKey ? ((PropertyKey) key).getPropertyName() : null; } @Override public Node accept(final NodeVisitor<? extends LexicalContext> visitor) { if (visitor.enterPropertyNode(this)) { //@formatter:off return visitor.leavePropertyNode( setKey((Expression) key.accept(visitor)). setValue(value == null ? null : (Expression) value.accept(visitor)). setGetter(getter == null ? null : (FunctionNode) getter.accept(visitor)). setSetter(setter == null ? null : (FunctionNode) setter.accept(visitor))); //@formatter:on } return this; } @Override public <R> R accept(TranslatorNodeVisitor<? extends LexicalContext, R> visitor) { return visitor.enterPropertyNode(this); } @Override public void toString(final StringBuilder sb, final boolean printType) { if (value != null) { if (isStatic) { sb.append("static "); } if (value instanceof FunctionNode && ((FunctionNode) value).isMethod()) { toStringKey(sb, printType); ((FunctionNode) value).toStringTail(sb, printType); } else { toStringKey(sb, printType); sb.append(": "); value.toString(sb, printType); } } if (getter != null) { if (isStatic) { sb.append("static "); } sb.append("get "); toStringKey(sb, printType); getter.toStringTail(sb, printType); } if (setter != null) { if (isStatic) { sb.append("static "); } sb.append("set "); toStringKey(sb, printType); setter.toStringTail(sb, printType); } } private void toStringKey(final StringBuilder sb, final boolean printType) { if (computed) { sb.append('['); } key.toString(sb, printType); if (computed) { sb.append(']'); } }
Get the getter for this property
Returns:getter or null if none exists
/** * Get the getter for this property * * @return getter or null if none exists */
public FunctionNode getGetter() { return getter; }
Set the getter of this property, null if none
Params:
  • getter – getter
Returns:same node or new node if state changed
/** * Set the getter of this property, null if none * * @param getter getter * @return same node or new node if state changed */
public PropertyNode setGetter(final FunctionNode getter) { if (this.getter == getter) { return this; } return new PropertyNode(this, key, value, getter, setter, isStatic, computed, coverInitializedName, proto); }
Return the key for this property node
Returns:the key
/** * Return the key for this property node * * @return the key */
public Expression getKey() { return key; } private PropertyNode setKey(final Expression key) { if (this.key == key) { return this; } return new PropertyNode(this, key, value, getter, setter, isStatic, computed, coverInitializedName, proto); }
Get the setter for this property
Returns:setter or null if none exists
/** * Get the setter for this property * * @return setter or null if none exists */
public FunctionNode getSetter() { return setter; }
Set the setter for this property, null if none
Params:
  • setter – setter
Returns:same node or new node if state changed
/** * Set the setter for this property, null if none * * @param setter setter * @return same node or new node if state changed */
public PropertyNode setSetter(final FunctionNode setter) { if (this.setter == setter) { return this; } return new PropertyNode(this, key, value, getter, setter, isStatic, computed, coverInitializedName, proto); }
Get the value of this property
Returns:property value
/** * Get the value of this property * * @return property value */
public Expression getValue() { return value; }
Set the value of this property
Params:
  • value – new value
Returns:same node or new node if state changed
/** * Set the value of this property * * @param value new value * @return same node or new node if state changed */
public PropertyNode setValue(final Expression value) { if (this.value == value) { return this; } return new PropertyNode(this, key, value, getter, setter, isStatic, computed, coverInitializedName, proto); } public boolean isStatic() { return isStatic; } public boolean isComputed() { return computed; } public boolean isCoverInitializedName() { return coverInitializedName; } public boolean isProto() { return proto; } public boolean isRest() { return key != null && key.isTokenType(TokenType.SPREAD_OBJECT); } public boolean isClassField() { return classField; } public boolean isAnonymousFunctionDefinition() { return isAnonymousFunctionDefinition; } public boolean isPrivate() { return key instanceof IdentNode && ((IdentNode) key).isPrivate(); } public String getPrivateName() { assert isPrivate(); return ((IdentNode) key).getName(); } public boolean isAccessor() { return getter != null || setter != null; } }