openjava.ptree
Class List

java.lang.Object
  |
  +--openjava.ptree.ParseTreeObject
        |
        +--openjava.ptree.List

All Implemented Interfaces:

Cloneable, ParseTree

Direct Known Subclasses:

ArrayInitializer, CaseGroupList, CaseLabelList, CatchList, ClassDeclarationList, ExpressionList, MemberDeclarationList, ModifierList, ObjectList, ParameterList, StatementList

public abstract class List

extends ParseTreeObject

implements ParseTree

The List class presents for the list of parse trees.

Field Summary

private Vector	contents The ptreelist the list of parse-tree nodes
private String	delimiter

Fields inherited from class openjava.ptree.ParseTreeObject

debugFlag, debugLevel, LN, out, writerStack

Constructor Summary

protected	List() Allocates this List
protected	List(Object p) Allocates this List
protected	List(String delimiter) Allocates this List
protected	List(String delimiter, Object p) Allocates this List

Method Summary

void	childrenAccept(ParseTreeVisitor visitor) Accepts a ParseTreeVisitor object as the role of a Visitor in the Visitor pattern, as the role of an Element in the Visitor pattern.
boolean	contains(String str) Tests if any element representing the specified string is exist or not.
protected void	contents_addElement(Object obj)
protected Object	contents_elementAt(int index)
protected void	contents_insertElementAt(Object obj, int index)
protected void	contents_removeElementAt(int index)
protected void	contents_setElementAt(Object obj, int index)
protected int	contents_size()
Enumeration	elements() Get contents
boolean	equals(ParseTree p) Tests if this list-node's value equals to the specified ptree-node's.
boolean	isEmpty() Tests if this list is empty.
ParseTree	makeRecursiveCopy() Makes a new copy (another object) of this list-node.
void	removeAll() Removes an element at the specified point from this list
protected void	replaceChildWith(ParseTree dist, ParseTree replacement)
int	size() Returns the length of this list.
void	writeCode() Writes the code this parse-tree presents for.

Methods inherited from class openjava.ptree.ParseTreeObject

accept, clone, eq, eq, equal, flushPrintWriter, getDebugFlag, getNest, getObjectID, getParent, getPrintWriter, getTab, hashCode, lastObjectID, makeCopy, popNest, popPrintWriter, pushNest, pushPrintWriter, replace, setDebugFlag, setDebugLevel, setNest, setParent, setPrintStream, setTab, toFlattenString, toString, writeDebug, writeDebugL, writeDebugLln, writeDebugln, writeDebugLR, writeDebugR, writeDebugRln, writeTab

Methods inherited from class java.lang.Object

equals, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface openjava.ptree.ParseTree

accept, eq, getObjectID, makeCopy, replace, toFlattenString, toString

Field Detail

contents

private Vector contents

The ptreelist the list of parse-tree nodes

delimiter

private String delimiter

Constructor Detail

List

protected List()

Allocates this List

List

protected List(Object p)

Allocates this List

List

protected List(String delimiter)

Allocates this List

List

protected List(String delimiter,
               Object p)

Allocates this List

Method Detail

replaceChildWith

protected final void replaceChildWith(ParseTree dist,
                                      ParseTree replacement)
                               throws ParseTreeException

Specified by:

replaceChildWith in class ParseTreeObject

ParseTreeException

contents_addElement

protected void contents_addElement(Object obj)

contents_insertElementAt

protected void contents_insertElementAt(Object obj,
                                        int index)

contents_setElementAt

protected void contents_setElementAt(Object obj,
                                     int index)

contents_elementAt

protected Object contents_elementAt(int index)

contents_removeElementAt

protected void contents_removeElementAt(int index)

contents_size

protected int contents_size()

elements

public Enumeration elements()

Get contents

size

public int size()

Returns the length of this list.

Returns:

the length of this list

isEmpty

public boolean isEmpty()

Tests if this list is empty.

Returns:

true if this list is empty

removeAll

public void removeAll()

Removes an element at the specified point from this list

contains

public boolean contains(String str)

Tests if any element representing the specified string is exist or not.

Parameters:

str - a string to test.

Returns:

true if any element representing the specified string is exist.

equals

public boolean equals(ParseTree p)

Tests if this list-node's value equals to the specified ptree-node's.

Specified by:

equals in interface ParseTree

Specified by:

equals in class ParseTreeObject

Returns:

true if two values are same.

makeRecursiveCopy

public ParseTree makeRecursiveCopy()

Makes a new copy (another object) of this list-node. The objects contained by this object will also be copied

Specified by:

makeRecursiveCopy in interface ParseTree

Specified by:

makeRecursiveCopy in class ParseTreeObject

Returns:

the copy of this nonleaf-node as a ptree-node.

writeCode

public void writeCode()

Writes the code this parse-tree presents for.

Specified by:

writeCode in interface ParseTree

Specified by:

writeCode in class ParseTreeObject

childrenAccept

public void childrenAccept(ParseTreeVisitor visitor)
                    throws ParseTreeException

Accepts a ParseTreeVisitor object as the role of a Visitor in the Visitor pattern, as the role of an Element in the Visitor pattern.

This invoke an appropriate visit() method on each child ParseTree object with this visitor.

Specified by:

childrenAccept in interface ParseTree

Specified by:

childrenAccept in class ParseTreeObject

Parameters:

visitor - a visitor

ParseTreeException