Package org.codehaus.groovy.ast.expr

# Class MapExpression

java.lang.Object
org.codehaus.groovy.ast.ASTNode
org.codehaus.groovy.ast.AnnotatedNode
org.codehaus.groovy.ast.expr.Expression
org.codehaus.groovy.ast.expr.MapExpression

All Implemented Interfaces:
  `GroovydocHolder<AnnotatedNode>`, `NodeMetaDataHandler`

Direct Known Subclasses:
  `NamedArgumentListExpression`

public class MapExpression extends Expression
Represents a map expression [1 : 2, "a" : "b", x : y] which creates a mutable Map

- ## Field Summary

  ### Fields inherited from class org.codehaus.groovy.ast.expr.Expression

  `EMPTY_ARRAY`

  ### Fields inherited from interface groovy.lang.groovydoc.GroovydocHolder

  `DOC_COMMENT`

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `MapExpression()`
  `MapExpression(List<MapEntryExpression> mapEntryExpressions)`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `addMapEntryExpression(Expression keyExpression, Expression valueExpression)`
  `void`
  `addMapEntryExpression(MapEntryExpression expression)`
  `List<MapEntryExpression>`
  `getMapEntryExpressions()`
  `String`
  `getText()`
  Returns a human-readable text representation of this AST node.
  `boolean`
  `isDynamic()`
  `String`
  `toString()`
  `Expression`
  `transformExpression(ExpressionTransformer transformer)`
  Transforms this expression and any nested expressions according to the provided transformer.
  `void`
  `visit(GroovyCodeVisitor visitor)`
  Accepts a code visitor for AST traversal and transformation.

  ### Methods inherited from class org.codehaus.groovy.ast.expr.Expression

  `getType, setType, transformExpressions, transformExpressions`

  ### Methods inherited from class org.codehaus.groovy.ast.AnnotatedNode

  `addAnnotation, addAnnotation, addAnnotations, getAnnotations, getAnnotations, getDeclaringClass, getGroovydoc, getInstance, hasNoRealSourcePosition, isSynthetic, setDeclaringClass, setHasNoRealSourcePosition, setSynthetic`

  ### Methods inherited from class org.codehaus.groovy.ast.ASTNode

  `copyNodeMetaData, getColumnNumber, getLastColumnNumber, getLastLineNumber, getLineNumber, getMetaDataMap, setColumnNumber, setLastColumnNumber, setLastLineNumber, setLineNumber, setMetaDataMap, setSourcePosition`

  ### Methods inherited from class java.lang.Object

  `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

  ### Methods inherited from interface org.codehaus.groovy.ast.NodeMetaDataHandler

  `copyNodeMetaData, getNodeMetaData, getNodeMetaData, getNodeMetaData, newMetaDataMap, putNodeMetaData, removeNodeMetaData, setNodeMetaData`

- ## Constructor Details

  - ### MapExpression

    public MapExpression()

  - ### MapExpression

    public MapExpression(List<MapEntryExpression> mapEntryExpressions)

- ## Method Details

  - ### addMapEntryExpression

    public void addMapEntryExpression(MapEntryExpression expression)

  - ### getMapEntryExpressions

    public List<MapEntryExpression> getMapEntryExpressions()

  - ### visit

    public void visit(GroovyCodeVisitor visitor)
    Description copied from class: `ASTNode`
    Accepts a code visitor for AST traversal and transformation. Subclasses must implement this method to support visitor pattern-based processing. The visitor pattern enables decoupling of AST structure from processing logic.
    Overrides:
      `visit` in class `ASTNode`
    Parameters:
      `visitor` - the `GroovyCodeVisitor` to process this node

  - ### isDynamic

    public boolean isDynamic()

  - ### transformExpression

    public Expression transformExpression(ExpressionTransformer transformer)
    Description copied from class: `Expression`
    Transforms this expression and any nested expressions according to the provided transformer. This method is called during AST transformation phases and must recursively transform any nested expressions to support full AST tree transformation.
    Specified by:
      `transformExpression` in class `Expression`
    Parameters:
      `transformer` - the `ExpressionTransformer` to apply
    Returns:
      a transformed copy of this expression (or this expression itself if no changes are needed)

  - ### toString

    public String toString()
    Overrides:
      `toString` in class `Object`

  - ### getText

    public String getText()
    Description copied from class: `ASTNode`
    Returns a human-readable text representation of this AST node. Used for debugging and error messages. Default implementation returns a message indicating the representation is not yet implemented for this node type.
    Overrides:
      `getText` in class `ASTNode`
    Returns:
      text representation of this node, or placeholder for unimplemented types

  - ### addMapEntryExpression

    public void addMapEntryExpression(Expression keyExpression, Expression valueExpression)