Package org.mozilla.javascript.ast

Class VariableInitializer

java.lang.Object
org.mozilla.javascript.Node
org.mozilla.javascript.ast.AstNode
org.mozilla.javascript.ast.VariableInitializer
All Implemented Interfaces:
Comparable<AstNode>, Iterable<Node>
public class VariableInitializer extends AstNode
A variable declaration or initializer, part of a VariableDeclaration expression. The variable "target" can be a simple name or a destructuring form. The initializer, if present, can be any expression.
Node type is one of Token.VAR, Token.CONST, or Token.LET.

  • Constructor Details

    • VariableInitializer

      public VariableInitializer()

    • VariableInitializer

      public VariableInitializer(int pos)

    • VariableInitializer

      public VariableInitializer(int pos, int len)

  • Method Details

    • setNodeType

      public void setNodeType(int nodeType)
      Sets the node type.
      Throws:
      IllegalArgumentException - if nodeType is not one of Token.VAR, Token.CONST, or Token.LET

    • isDestructuring

      public boolean isDestructuring()
      Returns true if this is a destructuring assignment. If so, the initializer must be non- null.
      Returns:
      true if the target field is a destructuring form (an ArrayLiteral or ObjectLiteral node)

    • getTarget

      public AstNode getTarget()
      Returns the variable name or destructuring form

    • setTarget

      public void setTarget(AstNode target)
      Sets the variable name or destructuring form, and sets its parent to this node.
      Throws:
      IllegalArgumentException - if target is null

    • getInitializer

      public AstNode getInitializer()
      Returns the initial value, or null if not provided

    • setInitializer

      public void setInitializer(AstNode initializer)
      Sets the initial value expression, and sets its parent to this node.
      Parameters:
      initializer - the initial value. May be null.

    • toSource

      public String toSource(int depth)
      Description copied from class: AstNode
      Emits 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 null children that are expected to be non-null when no errors are present. In this situation, the behavior of the toSource method is undefined: toSource implementations may assume that the AST node is error-free, since it is intended to be invoked only at runtime after a successful parse.

      Specified by:
      toSource in class AstNode
      Parameters:
      depth - the current recursion depth, typically beginning at 0 when called on the root node.

    • visit

      public void visit(NodeVisitor v)
      Visits this node, then the target expression, then the initializer expression if present.
      Specified by:
      visit in class AstNode
      Parameters:
      v - the object to call with this node and its children