ast
Class ReturnStmt

java.lang.Object
  ast.ASTNode
      ast.Stmt
          ast.ReturnStmt

public class ReturnStmt
extends Stmt

The ReturnStmt class represents a return statement within the body of a method. It contains an expression to be returned (expr).

See Also:

ASTNode, Stmt

Field Summary

protected Expr

expr An expression to be returned (null for no return expression)

Fields inherited from class ast.ASTNode

charNum, lineNum, lineStr

Constructor Summary

ReturnStmt(int lineNum, Expr expr)
ReturnStmt constructor

Method Summary

java.lang.Object	accept(Visitor v) Visitor method
Expr	getExpr() Get the return expression

Methods inherited from class ast.ASTNode

getLineNum

Methods inherited from class java.lang.Object

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

Field Detail

expr

protected Expr expr

An expression to be returned (null for no return expression)

Constructor Detail

ReturnStmt

public ReturnStmt(int lineNum,
                  Expr expr)

ReturnStmt constructor

Parameters:

lineNum - source line number corresponding to this AST node

expr - expression to be returned (null for no return expression)

Method Detail

getExpr

public Expr getExpr()

Get the return expression

Returns:

expression

accept

public java.lang.Object accept(Visitor v)

Visitor method

Specified by:

accept in class Stmt

Parameters:

v - visitor object

Returns:

result of visiting this node

See Also:

Visitor