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openjava.syntax
Class SeparatedListRule  

java.lang.Object
  openjava.syntax.AbstractSyntaxRule
      openjava.syntax.SeparatedListRule

All Implemented Interfaces:

SyntaxRule, TokenID

Direct Known Subclasses:

DefaultListRule, ExpressionListRule

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public abstract class SeparatedListRule

extends AbstractSyntaxRule

The class SeparatedListRule represents the syntax rule of a list separated by an separator.

Suppose there's a syntax rule A and token t. This class can represents the syntax A ( t A )*.

Since:

$Id: SeparatedListRule.java,v 1.2 2003/02/19 02:54:32 tatsubori Exp $

Version:

1.0

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Field Summary
private  boolean	allowsEmpty
private  SyntaxRule	elementRule
private  int	separator

 

Fields inherited from class openjava.syntax.AbstractSyntaxRule

 

Fields inherited from interface openjava.syntax.TokenID

ABSTRACT, ANDASSIGN, ASSIGN, BANG, BIT_AND, BIT_OR, BOOLEAN, BREAK, BYTE, CASE, CATCH, CHAR, CHARACTER_LITERAL, CLASS, COLON, COMMA, CONDITIONAL_AND, CONDITIONAL_OR, CONTINUE, DECREMENT, DEFAULT, DO, DOT, DOUBLE, DOUBLE_LITERAL, ELSE, EOF, EQUAL, EXTENDS, FALSE, FINAL, FINALLY, FLOAT, FLOAT_LITERAL, FOR, GREATER, GREATER_EQUAL, HOOK, IDENTIFIER, IF, IMPLEMENTS, IMPORT, INCREMENT, INSTANCEOF, INSTANTIATES, INT, INTEGER_LITERAL, INTERFACE, LBRACE, LBRACKET, LESS, LESS_EQUAL, LONG, LONG_LITERAL, LPAREN, LSHIFT, LSHIFTASSIGN, METACLASS, MINUS, MINUSASSIGN, NATIVE, NEW, NOT_EQUAL, NULL, ORASSIGN, PACKAGE, PLUS, PLUSASSIGN, PRIVATE, PROTECTED, PUBLIC, RBRACE, RBRACKET, REM, REMASSIGN, RETURN, RPAREN, RSIGNEDSHIFT, RSIGNEDSHIFTASSIGN, RUNSIGNEDSHIFT, RUNSIGNEDSHIFTASSIGN, SEMICOLON, SHORT, SLASH, SLASHASSIGN, STAR, STARASSIGN, STATIC, STRING_LITERAL, SUPER, SWITCH, SYNCHRONIZED, THIS, THROW, THROWS, TILDE, TRANSIENT, TRUE, TRY, VOID, VOLATILE, WHILE, XOR, XORASSIGN

 

Constructor Summary

SeparatedListRule(SyntaxRule elementRule, int separator_token)           Allocates a new rule representing a list of a give rule separeted by a given separator.

SeparatedListRule(SyntaxRule elementRule, int separator_token, boolean allowsEmpty)           Allocates a new rule representing a list of a give rule separeted by a given separator.

 

Method Summary
protected abstract  void	addListElement(java.lang.Object elem)
openjava.ptree.ParseTree	consume(TokenSource token_src)           Consumes token source.
private  openjava.ptree.ParseTree	consumeSepAndElem(TokenSource token_src)
protected abstract  openjava.ptree.ParseTree	getList()
protected abstract  void	initList()

 

Methods inherited from class openjava.syntax.AbstractSyntaxRule

getSyntaxException, lookahead

 

Methods inherited from class java.lang.Object

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

 

Field Detail

elementRule

private SyntaxRule elementRule

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separator

private int separator

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allowsEmpty

private boolean allowsEmpty

Constructor Detail

SeparatedListRule

public SeparatedListRule(SyntaxRule elementRule,
                         int separator_token,
                         boolean allowsEmpty)

Allocates a new rule representing a list of a give rule separeted by a given separator.

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SeparatedListRule

public SeparatedListRule(SyntaxRule elementRule,
                         int separator_token)

Allocates a new rule representing a list of a give rule separeted by a given separator.

Method Detail

initList

protected abstract void initList()

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addListElement

protected abstract void addListElement(java.lang.Object elem)

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getList

protected abstract openjava.ptree.ParseTree getList()

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consume

public final openjava.ptree.ParseTree consume(TokenSource token_src)
                                       throws SyntaxException

Consumes token source.

Specified by:

consume in interface SyntaxRule

Specified by:

consume in class AbstractSyntaxRule

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consumeSepAndElem

private openjava.ptree.ParseTree consumeSepAndElem(TokenSource token_src)
                                            throws SyntaxException

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