ast
Class IfStmt

java.lang.Object
  ast.ASTNode
      ast.Stmt
          ast.IfStmt

public class IfStmt
extends Stmt

The IfStmt class represents a if-then-else statement appearing in a method declaration. It contains a predicate expression (predExpr), a then statement (thenStmt), and an else statement (elseStmt).

See Also:

ASTNode, Stmt

Field Summary

protected Stmt	elseStmt The else statement
protected Expr	predExpr The predicate expression
protected Stmt	thenStmt The then statement

Fields inherited from class ast.ASTNode

charNum, lineNum, lineStr

Constructor Summary

IfStmt(int lineNum, Expr predExpr, Stmt thenStmt, Stmt elseStmt)
IfStmt constructor

Method Summary

java.lang.Object	accept(Visitor v) Visitor method
Stmt	getElseStmt() Get the else statement
Expr	getPredExpr() Get the predicate expression
Stmt	getThenStmt() Get the then statement

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

predExpr

protected Expr predExpr

The predicate expression

thenStmt

protected Stmt thenStmt

The then statement

elseStmt

protected Stmt elseStmt

The else statement

Constructor Detail

IfStmt

public IfStmt(int lineNum,
              Expr predExpr,
              Stmt thenStmt,
              Stmt elseStmt)

IfStmt constructor

Parameters:

lineNum - source line number corresponding to this AST node

predExpr - the predicate expression

thenStmt - the then statement

elseStmt - the else statement

Method Detail

getPredExpr

public Expr getPredExpr()

Get the predicate expression

Returns:

prediate expression

getThenStmt

public Stmt getThenStmt()

Get the then statement

Returns:

then statement

getElseStmt

public Stmt getElseStmt()

Get the else statement

Returns:

else 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