Package org.mozilla.javascript.ast
Class VariableDeclaration
- 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.VariableDeclaration
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public class VariableDeclaration extends AstNode
A list of one or more var, const or let declarations. Node type isToken.VAR,Token.CONSTorToken.LET.If the node is for
varorconst, the node position is the beginning of thevarorconstkeyword. Forletdeclarations, the node position coincides with the firstVariableInitializerchild.A standalone variable declaration in a statement context returns
truefrom itsisStatement()method.
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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 VariableDeclaration()VariableDeclaration(int pos)VariableDeclaration(int pos, int len)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidaddVariable(VariableInitializer v)Adds a variable initializer node to the child list.java.util.List<VariableInitializer>getVariables()Returns variable list.booleanisConst()Returns true if this is aToken.CONSTdeclaration.booleanisLet()Returns true if this is aToken.LETdeclaration.booleanisStatement()Returns true if this node represents a statement.booleanisVar()Returns true if this is avar(notconstorlet) declaration.voidsetIsStatement(boolean isStatement)Set or unset the statement flag.NodesetType(int type)Sets the node type and returns this node.voidsetVariables(java.util.List<VariableInitializer> variables)Sets variable listjava.lang.StringtoSource(int depth)Emits source code for this node.voidvisit(NodeVisitor v)Visits this node, then eachVariableInitializerchild.-
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, toString, toStringTree
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Method Detail
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getVariables
public java.util.List<VariableInitializer> getVariables()
Returns variable list. Nevernull.
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setVariables
public void setVariables(java.util.List<VariableInitializer> variables)
Sets variable list- Throws:
java.lang.IllegalArgumentException- if variables list isnull
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addVariable
public void addVariable(VariableInitializer v)
Adds a variable initializer node to the child list. Sets initializer node's parent to this node.- Throws:
java.lang.IllegalArgumentException- if v isnull
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setType
public Node setType(int type)
Sets the node type and returns this node.
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isVar
public boolean isVar()
Returns true if this is avar(notconstorlet) declaration.- Returns:
- true if
declTypeisToken.VAR
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isConst
public boolean isConst()
Returns true if this is aToken.CONSTdeclaration.
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isLet
public boolean isLet()
Returns true if this is aToken.LETdeclaration.
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isStatement
public boolean isStatement()
Returns true if this node represents a statement.
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setIsStatement
public void setIsStatement(boolean isStatement)
Set or unset the statement flag.
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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 eachVariableInitializerchild.
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