com.google.gwt.dev.jjs.ast.js

Class JMultiExpression

java.lang.Object

com.google.gwt.dev.jjs.ast.JNode

com.google.gwt.dev.jjs.ast.JExpression

com.google.gwt.dev.jjs.ast.js.JMultiExpression

All Implemented Interfaces:

HasType, JVisitable, HasSourceInfo, Serializable

public class JMultiExpression
extends JExpression

Represents multiple ordered expressions as a single compound expression.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
JMultiExpression(SourceInfo info) Construct an empty multi expression.
JMultiExpression(SourceInfo info, List<JExpression> expressions) Construct a multi expression containing expressions.

Method Summary

Modifier and Type	Method and Description
void	addExpressions(int index, List<JExpression> expressions) Adds a list of expressions to the multi expression at position index.
void	addExpressions(JExpression... expressions) Adds expressions to the multi expression at the end.
void	addExpressions(List<JExpression> expressions) Adds a list of expressions to the multi expression at the end.
JExpression	getExpression(int index) Returns the expression at index.
List<JExpression>	getExpressions() Returns the list of expressions.
int	getNumberOfExpressions() Returns the number of expressions directly included in the multi expression.
JType	getType() Returns the multi expression type, i.e.
boolean	hasSideEffects()
boolean	isEmpty() Returns true if the multi expression is empty.
JExpression	removeExpression(int index) Removes the expression at index from this multi expression.
void	setExpression(int index, JExpression expression) Replaces the expression at index by expression.
void	traverse(JVisitor visitor, Context ctx) Causes this object to have the visitor visit itself and its children.

Methods inherited from class com.google.gwt.dev.jjs.ast.JExpression

makeStatement

Methods inherited from class com.google.gwt.dev.jjs.ast.JNode

getSourceInfo, setSourceInfo, toSource, toString

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode

Constructor Detail

JMultiExpression

public JMultiExpression(SourceInfo info)

Construct an empty multi expression.

JMultiExpression

public JMultiExpression(SourceInfo info,
                        List<JExpression> expressions)

Construct a multi expression containing expressions.

Method Detail

addExpressions

public void addExpressions(JExpression... expressions)

Adds expressions to the multi expression at the end.

addExpressions

public void addExpressions(List<JExpression> expressions)

Adds a list of expressions to the multi expression at the end.

addExpressions

public void addExpressions(int index,
                           List<JExpression> expressions)

Adds a list of expressions to the multi expression at position index.

getExpression

public JExpression getExpression(int index)

Returns the expression at index.

getExpressions

public List<JExpression> getExpressions()

Returns the list of expressions.

getNumberOfExpressions

public int getNumberOfExpressions()

Returns the number of expressions directly included in the multi expression.

getType

public JType getType()

Returns the multi expression type, i.e. the type of the last expression in the list or void if empty.

hasSideEffects

public boolean hasSideEffects()

Specified by:

hasSideEffects in class JExpression

isEmpty

public boolean isEmpty()

Returns true if the multi expression is empty.

removeExpression

public JExpression removeExpression(int index)

Removes the expression at index from this multi expression.

setExpression

public void setExpression(int index,
                          JExpression expression)

Replaces the expression at index by expression.

traverse

public void traverse(JVisitor visitor,
                     Context ctx)

Description copied from interface: JVisitable

Causes this object to have the visitor visit itself and its children.

Parameters:

visitor - the visitor that should traverse this node

ctx - the context of an existing traversal