Package org.mozilla.javascript.ast
Class ObjectLiteral
- java.lang.Object
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- org.mozilla.javascript.Node
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- org.mozilla.javascript.ast.AstNode
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- org.mozilla.javascript.ast.ObjectLiteral
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- All Implemented Interfaces:
java.lang.Comparable<AstNode>,java.lang.Iterable<Node>,DestructuringForm
public class ObjectLiteral extends AstNode implements DestructuringForm
AST node for an Object literal (also called an Object initialiser in Ecma-262). The elements list will always be non-null, although the list will have no elements if the Object literal is empty.Node type is
Token.OBJECTLIT.ObjectLiteral : {} { PropertyNameAndValueList } PropertyNameAndValueList : PropertyName : AssignmentExpression PropertyNameAndValueList , PropertyName : AssignmentExpression PropertyName : Identifier StringLiteral NumericLiteral
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Nested Class Summary
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Nested classes/interfaces inherited from class org.mozilla.javascript.ast.AstNode
AstNode.DebugPrintVisitor, AstNode.PositionComparator
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Nested classes/interfaces inherited from class org.mozilla.javascript.Node
Node.NodeIterator
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Field Summary
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Fields inherited from class org.mozilla.javascript.ast.AstNode
inlineComment, length, parent, position
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Fields inherited from class org.mozilla.javascript.Node
ARROW_FUNCTION_PROP, ATTRIBUTE_FLAG, BOTH, CASEARRAY_PROP, CATCH_SCOPE_PROP, CONTROL_BLOCK_PROP, DECR_FLAG, DESCENDANTS_FLAG, DESTRUCTURING_ARRAY_LENGTH, DESTRUCTURING_NAMES, DESTRUCTURING_PARAMS, DIRECTCALL_PROP, END_DROPS_OFF, END_RETURNS, END_RETURNS_VALUE, END_UNREACHED, END_YIELDS, EXPRESSION_CLOSURE_PROP, first, FUNCTION_PROP, GENERATOR_END_PROP, INCRDECR_PROP, ISNUMBER_PROP, JSDOC_PROP, LABEL_ID_PROP, last, LAST_PROP, LEFT, lineno, LOCAL_BLOCK_PROP, LOCAL_PROP, MEMBER_TYPE_PROP, NAME_PROP, next, NON_SPECIALCALL, OBJECT_IDS_PROP, PARENTHESIZED_PROP, POST_FLAG, PROPERTY_FLAG, propListHead, REGEXP_PROP, RIGHT, SHORTHAND_PROPERTY_NAME, SKIP_INDEXES_PROP, SPECIALCALL_EVAL, SPECIALCALL_PROP, SPECIALCALL_WITH, TARGETBLOCK_PROP, TEMPLATE_LITERAL_PROP, TRAILING_COMMA, type, VARIABLE_PROP
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Constructor Summary
Constructors Constructor Description ObjectLiteral()ObjectLiteral(int pos)ObjectLiteral(int pos, int len)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidaddElement(ObjectProperty element)Adds an element to the list, and sets its parent to this node.java.util.List<ObjectProperty>getElements()Returns the element list.booleanisDestructuring()Returns true if this node is in a destructuring position: a function parameter, the target of a variable initializer, the iterator of a for..in loop, etc.voidsetElements(java.util.List<ObjectProperty> elements)Sets the element list, and updates the parent of each element.voidsetIsDestructuring(boolean destructuring)Marks this node as being a destructuring form - that is, appearing in a context such asfor ([a, b] in ...)where it's the target of a destructuring assignment.java.lang.StringtoSource(int depth)Emits source code for this node.voidvisit(NodeVisitor v)Visits this node, then visits each child property node, in lexical (source) order.-
Methods inherited from class org.mozilla.javascript.ast.AstNode
addChild, assertNotNull, codeBug, compareTo, debugPrint, depth, getAbsolutePosition, getAstRoot, getEnclosingFunction, getEnclosingScope, getInlineComment, getLength, getLineno, getParent, getPosition, hasSideEffects, makeIndent, operatorToString, printList, setBounds, setInlineComment, setLength, setParent, setPosition, setRelative, shortName, toSource
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Methods inherited from class org.mozilla.javascript.Node
addChildAfter, addChildBefore, addChildrenToBack, addChildrenToFront, addChildToBack, addChildToFront, getBigInt, getChildBefore, getDouble, getExistingIntProp, getFirstChild, getIntProp, getJsDoc, getJsDocNode, getLastChild, getLastSibling, getNext, getProp, getScope, getString, getType, hasChildren, hasConsistentReturnUsage, iterator, labelId, labelId, newNumber, newString, newString, newTarget, putIntProp, putProp, removeChild, removeChildren, removeProp, replaceChild, replaceChildAfter, resetTargets, setBigInt, setDouble, setJsDocNode, setLineno, setScope, setString, setType, toString, toStringTree
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Method Detail
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getElements
public java.util.List<ObjectProperty> getElements()
Returns the element list. Returns an immutable empty list if there are no elements.
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setElements
public void setElements(java.util.List<ObjectProperty> elements)
Sets the element list, and updates the parent of each element. Replaces any existing elements.- Parameters:
elements- the element list. Can benull.
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addElement
public void addElement(ObjectProperty element)
Adds an element to the list, and sets its parent to this node.- Parameters:
element- the property node to append to the end of the list- Throws:
java.lang.IllegalArgumentException- } if element isnull
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setIsDestructuring
public void setIsDestructuring(boolean destructuring)
Marks this node as being a destructuring form - that is, appearing in a context such asfor ([a, b] in ...)where it's the target of a destructuring assignment.- Specified by:
setIsDestructuringin interfaceDestructuringForm
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isDestructuring
public boolean isDestructuring()
Returns true if this node is in a destructuring position: a function parameter, the target of a variable initializer, the iterator of a for..in loop, etc.- Specified by:
isDestructuringin interfaceDestructuringForm
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toSource
public java.lang.String toSource(int depth)
Description copied from class:AstNodeEmits source code for this node. Callee is responsible for calling this function recursively on children, incrementing indent as appropriate.Note: if the parser was in error-recovery mode, some AST nodes may have
nullchildren that are expected to be non-nullwhen no errors are present. In this situation, the behavior of thetoSourcemethod is undefined:toSourceimplementations may assume that the AST node is error-free, since it is intended to be invoked only at runtime after a successful parse.
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visit
public void visit(NodeVisitor v)
Visits this node, then visits each child property node, in lexical (source) order.
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