ast
Class AssignExpr

java.lang.Object
  ast.ASTNode
      ast.Expr
          ast.AssignExpr

public class AssignExpr
extends Expr

The AssignExpr class represents assignment expressions. It contains an optional reference name (potentially needed if the variable is a field), a variable name (variable being assigned to) and an expression (for assigning to the variable).

See Also:

ASTNode, Expr

Field Summary

protected Expr	expr The righthand expression for assigning to the lefthand variable
protected java.lang.String	name The name of the lefthand variable
protected java.lang.String	refName The optional reference object used to access the lefthand variable (only applicable if the variable is a field)

Fields inherited from class ast.ASTNode

charNum, lineNum, lineStr

Constructor Summary

AssignExpr(int lineNum, java.lang.String refName, java.lang.String name, Expr expr)
AssignExpr constructor

Method Summary

java.lang.Object	accept(Visitor v) Visitor method
Expr	getExpr() Get the righthand expression of the assignment
java.lang.String	getName() Get the lefthand variable name
java.lang.String	getRefName() Get the optional reference name

Methods inherited from class ast.Expr

getExprType, setExprType

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

refName

protected java.lang.String refName

The optional reference object used to access the lefthand variable (only applicable if the variable is a field)

name

protected java.lang.String name

The name of the lefthand variable

expr

protected Expr expr

The righthand expression for assigning to the lefthand variable

Constructor Detail

AssignExpr

public AssignExpr(int lineNum,
                  java.lang.String refName,
                  java.lang.String name,
                  Expr expr)

AssignExpr constructor

Parameters:

lineNum - source line number corresponding to this AST node

refName - the optional reference object used to access the lefthand variable

name - the name of the lefthand variable

expr - righthand expression for assigning to the lefthand variable

Method Detail

getRefName

public java.lang.String getRefName()

Get the optional reference name

Returns:

reference name

getName

public java.lang.String getName()

Get the lefthand variable name

Returns:

lefthand variable name

getExpr

public Expr getExpr()

Get the righthand expression of the assignment

Returns:

righthand expression

accept

public java.lang.Object accept(Visitor v)

Visitor method

Specified by:

accept in class Expr

Parameters:

v - visitor object

Returns:

result of visiting this node

See Also:

Visitor