95 lines
3.3 KiB
Java
95 lines
3.3 KiB
Java
/*
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* Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* California 95054, U.S.A. All rights reserved. Sun Microsystems, Inc. has
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* intellectual property rights relating to technology embodied in the product
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* that is described in this document. In particular, and without limitation,
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* these intellectual property rights may include one or more of the U.S.
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* patents listed at http://www.sun.com/patents and one or more additional
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* patents or pending patent applications in the U.S. and in other countries.
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* U.S. Government Rights - Commercial software. Government users are subject
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* to the Sun Microsystems, Inc. standard license agreement and applicable
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* provisions of the FAR and its supplements. Use is subject to license terms.
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* Sun, Sun Microsystems, the Sun logo and Java are trademarks or registered
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* trademarks of Sun Microsystems, Inc. in the U.S. and other countries. This
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* product is covered and controlled by U.S. Export Control laws and may be
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* subject to the export or import laws in other countries. Nuclear, missile,
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* chemical biological weapons or nuclear maritime end uses or end users,
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* whether direct or indirect, are strictly prohibited. Export or reexport
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* to countries subject to U.S. embargo or to entities identified on U.S.
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* export exclusion lists, including, but not limited to, the denied persons
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* and specially designated nationals lists is strictly prohibited.
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*/
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package csjavacc.struct;
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import csjavacc.parser.Token;
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/**
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* Describes the various regular expression productions.
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*/
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public class TokenProduction {
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/**
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* Definitions of constants that identify the kind of regular
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* expression production this is.
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*/
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public static final int TOKEN = 0,
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SKIP = 1,
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MORE = 2,
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SPECIAL = 3;
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/**
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* The image of the above constants.
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*/
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public static final String[] kindImage = {
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"TOKEN", "SKIP", "MORE", "SPECIAL"
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};
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/**
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* The starting line and column of this token production.
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*/
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public int line, column;
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/**
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* The states in which this regular expression production exists. If
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* this array is null, then "<*>" has been specified and this regular
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* expression exists in all states. However, this null value is
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* replaced by a String array that includes all lexical state names
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* during the semanticization phase.
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*/
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public String[] lexStates;
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/**
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* The kind of this token production - TOKEN, SKIP, MORE, or SPECIAL.
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*/
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public int kind;
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/**
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* The list of regular expression specifications that comprise this
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* production. Each entry is a "RegExprSpec".
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*/
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public java.util.Vector respecs = new java.util.Vector();
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/**
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* This is true if this corresponds to a production that actually
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* appears in the input grammar. Otherwise (if this is created to
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* describe a regular expression that is part of the BNF) this is set
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* to false.
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*/
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public boolean isExplicit = true;
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/**
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* This is true if case is to be ignored within the regular expressions
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* of this token production.
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*/
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public boolean ignoreCase = false;
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/**
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* The first and last tokens from the input stream that represent this
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* production.
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*/
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public Token firstToken, lastToken;
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}
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