ast
Class ForStmt

java.lang.Object
  ast.ASTNode
      ast.Stmt
          ast.ForStmt

public class ForStmt
extends Stmt

The ForStmt class represents a for (loop) statement appearing in a method declaration. It contains an initialization expression (initExpr), a predicate expression (predExpr), an update expression (updateExpr), and body statement (bodyStmt).

See Also:

ASTNode, Stmt

Field Summary

protected Stmt	bodyStmt The body statement
protected Expr	initExpr The initialization expression (null for no init expression)
protected Expr	predExpr The predicate expression (null for no predicate -- must be boolean expression)
protected Expr	updateExpr The update expression (null for no update expression)

Fields inherited from class ast.ASTNode

charNum, lineNum, lineStr

Constructor Summary

ForStmt(int lineNum, Expr initExpr, Expr predExpr, Expr updateExpr, Stmt bodyStmt)
ForStmt constructor

Method Summary

java.lang.Object	accept(Visitor v) Visitor method
Stmt	getBodyStmt() Get the body statement
Expr	getInitExpr() Get the initialization expression If null, then no initialization expression
Expr	getPredExpr() Get the predicate expression If null, then no predicate expression
Expr	getUpdateExpr() Get the update expression If null, then no update 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

initExpr

protected Expr initExpr

The initialization expression (null for no init expression)

predExpr

protected Expr predExpr

The predicate expression (null for no predicate -- must be boolean expression)

updateExpr

protected Expr updateExpr

The update expression (null for no update expression)

bodyStmt

protected Stmt bodyStmt

The body statement

Constructor Detail

ForStmt

public ForStmt(int lineNum,
               Expr initExpr,
               Expr predExpr,
               Expr updateExpr,
               Stmt bodyStmt)

ForStmt constructor

Parameters:

lineNum - source line number corresponding to this AST node

initExpr - the initialization expression (null for no init expression)

predExpr - the predicate expression (null for no predicate -- must be boolean expression)

updateExpr - the update expression (null for no update expression)

bodyStmt - the then statement

Method Detail

getInitExpr

public Expr getInitExpr()

Get the initialization expression If null, then no initialization expression

Returns:

initialization expression

getPredExpr

public Expr getPredExpr()

Get the predicate expression If null, then no predicate expression

Returns:

predicate expression

getUpdateExpr

public Expr getUpdateExpr()

Get the update expression If null, then no update expression

Returns:

update expression

getBodyStmt

public Stmt getBodyStmt()

Get the body statement

Returns:

body statement

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