Package org.codehaus.groovy.ast.expr

Class Expression

java.lang.Object

org.codehaus.groovy.ast.ASTNode

org.codehaus.groovy.ast.AnnotatedNode

org.codehaus.groovy.ast.expr.Expression

All Implemented Interfaces:

GroovydocHolder<AnnotatedNode>, NodeMetaDataHandler

Direct Known Subclasses:

ArrayExpression, BinaryExpression, BitwiseNegationExpression, BooleanExpression, BytecodeExpression, CastExpression, ClassExpression, ClosureExpression, ConstantExpression, ConstructorCallExpression, EmptyExpression, FieldExpression, GStringExpression, ListExpression, ListOfExpressionsExpression, MapEntryExpression, MapExpression, MethodCallExpression, MethodPointerExpression, PostfixExpression, PrefixExpression, PropertyExpression, RangeExpression, SpreadExpression, SpreadMapExpression, StaticMethodCallExpression, TemporaryVariableExpression, TernaryExpression, TupleExpression, UnaryMinusExpression, UnaryPlusExpression, VariableExpression

public abstract class Expression
extends AnnotatedNode

Represents a base class for expressions which evaluate as an object

Field Summary

Fields

Modifier and Type	Field	Description
static Expression[]	EMPTY_ARRAY

Fields inherited from interface groovy.lang.groovydoc.GroovydocHolder

DOC_COMMENT

Constructor Summary

Constructors

Constructor	Description
Expression()

Method Summary

Modifier and Type	Method	Description
ClassNode	getType()
void	setType(ClassNode t)
abstract Expression	transformExpression(ExpressionTransformer transformer)	Return a copy of the expression calling the transformer on any nested expressions
protected List<Expression>	transformExpressions(List<? extends Expression> expressions, ExpressionTransformer transformer)	Transforms the list of expressions
protected <T extends Expression> List<T>	transformExpressions(List<? extends Expression> expressions, ExpressionTransformer transformer, Class<T> transformedType)	Transforms the list of expressions, and checks that all transformed expressions have the given type.

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

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, getText, setColumnNumber, setLastColumnNumber, setLastLineNumber, setLineNumber, setMetaDataMap, setSourcePosition, visit

Methods inherited from class java.lang.Object

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

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

copyNodeMetaData, getNodeMetaData, getNodeMetaData, getNodeMetaData, putNodeMetaData, removeNodeMetaData, setNodeMetaData

Field Details

EMPTY_ARRAY

public static final Expression[] EMPTY_ARRAY

Constructor Details

Expression

public Expression()

Method Details

transformExpression

public abstract Expression transformExpression(ExpressionTransformer transformer)

Return a copy of the expression calling the transformer on any nested expressions

Parameters:

transformer -

transformExpressions

protected List<Expression> transformExpressions(List<? extends Expression> expressions,
ExpressionTransformer transformer)

Transforms the list of expressions

Returns:

a new list of transformed expressions

transformExpressions

protected <T extends Expression> List<T> transformExpressions(List<? extends Expression> expressions,
ExpressionTransformer transformer,
Class<T> transformedType)

Transforms the list of expressions, and checks that all transformed expressions have the given type.

Returns:

a new list of transformed expressions

getType

public ClassNode getType()

setType

public void setType(ClassNode t)