Initial commit

csjavacc/struct/Action.java

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+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+
+
+/**
+ * Describes actions that may occur on the right hand side
+ * of productions.
+ */
+
+public class Action extends Expansion {
+
+  /**
+   * Contains the list of tokens that make up the action.  This
+   * list does not include the surrounding braces.
+   */
+  public java.util.Vector action_tokens = new java.util.Vector();
+
+}

csjavacc/struct/BNFProduction.java

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+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+import csjavacc.parser.NormalProduction;
+
+/**
+ * Describes BNF productions.
+ */
+
+public class BNFProduction extends NormalProduction {
+
+  /**
+   * The declarations of this production.
+   */
+  public java.util.Vector declaration_tokens = new java.util.Vector();
+
+  /**
+   * This flag keeps track of whether or not return and throw
+   * statements have been patched within this production's actions to
+   * include a preceding "if (true)".
+   */
+  public boolean jumpPatched;
+
+}

csjavacc/struct/CSCodeProduction.java

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+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+import csjavacc.parser.NormalProduction;
+
+/**
+ * Describes JAVACODE productions.
+ */
+
+public class CSCodeProduction extends NormalProduction {
+
+  /**
+   * The tokens that implement this JAVACODE production.
+   */
+  public java.util.Vector code_tokens = new java.util.Vector();
+
+}

csjavacc/struct/CharacterRange.java

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+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+import csjavacc.parser.CSJavaCCErrors;
+
+/**
+ * Describes character range descriptors in a character list.
+ */
+
+public class CharacterRange {
+
+  /**
+   * The line and column number of the construct that corresponds
+   * most closely to this node.
+   */
+  public int line, column;
+
+  /**
+   * The leftmost and the rightmost characters in this character range.
+   */
+  public char left, right;
+
+  public CharacterRange() { }
+
+  public CharacterRange(char l, char r)
+  {
+     if (l > r)
+        CSJavaCCErrors.semantic_error(this, "Invalid range : \"" + (int)l + "\" - \"" 
+              + (int)r + "\". First character shoud be less than or equal to the second one in a range.");
+
+     left = l;
+     right = r;
+  }
+}

csjavacc/struct/Choice.java

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+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+
+/**
+ * Describes expansions where one of many choices
+ * is taken (c1|c2|...).
+ */
+
+public class Choice extends Expansion {
+
+  /**
+   * The list of choices of this expansion unit.  Each
+   * Vector component will narrow to ExpansionUnit.
+   */
+  public java.util.Vector choices = new java.util.Vector();
+
+}

csjavacc/struct/Container.java

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+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+/**
+ * An object container.  Used to pass references to objects as parameter.
+ */
+
+public class Container {
+
+  public Object member;
+
+}

csjavacc/struct/Expansion.java

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+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+/**
+ * Describes expansions - entities that may occur on the
+ * right hand sides of productions.  This is the base class of
+ * a bunch of other more specific classes.
+ */
+
+public class Expansion {
+
+  /**
+   * The line and column number of the construct that corresponds
+   * most closely to this node.
+   */
+  public int line, column;
+
+  /**
+   * A reimplementing of Object.hashCode() to be deterministic.  This uses
+   * the line and column fields to generate an arbitrary number - we assume
+   * that this method is called only after line and column are set to
+   * their actual values.
+   */
+  public int hashCode() {
+    return line + column;
+  }
+
+  /**
+   * An internal name for this expansion.  This is used to generate parser
+   * routines.
+   */
+  public String internal_name = "";
+
+  /**
+   * The parser routines are generated in three phases.  The generation
+   * of the second and third phase are on demand only, and the third phase
+   * can be recursive.  This variable is used to keep track of the
+   * expansions for which phase 3 generations have been already added to
+   * a list so that the recursion can be terminated.
+   */
+  public boolean phase3done = false;
+
+  /**
+   * The parent of this expansion node.  In case this is the top level
+   * expansion of the production it is a reference to the production node
+   * otherwise it is a reference to another Expansion node.  In case this
+   * is the top level of a lookahead expansion,then the parent is null.
+   */
+  public Object parent;
+
+  /**
+   * The ordinal of this node with respect to its parent.
+   */
+  public int ordinal;
+
+  /**
+   * To avoid right-recursive loops when calculating follow sets, we use
+   * a generation number which indicates if this expansion was visited
+   * by LookaheadWalk.genFollowSet in the same generation.  New generations
+   * are obtained by incrementing the static counter below, and the current
+   * generation is stored in the non-static variable below.
+   */
+  public static long nextGenerationIndex = 1;
+  public long myGeneration = 0;
+
+  /**
+   * This flag is used for bookkeeping by the minimumSize method in class
+   * ParseEngine.
+   */
+  public boolean inMinimumSize = false;
+
+   public static void reInit()
+   {
+      nextGenerationIndex = 1;
+   }
+
+}

csjavacc/struct/Lookahead.java

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+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+
+/**
+ * Describes lookahead rule for a particular expansion or expansion
+ * sequence (See Sequence.java).  In case this describes the lookahead
+ * rule for a single expansion unit, then a sequence is created with
+ * this node as the first element, and the expansion unit as the second
+ * and last element.
+ */
+
+public class Lookahead extends Expansion {
+
+  /**
+   * Contains the list of tokens that make up the semantic lookahead
+   * if any.  If this node represents a different kind of lookahead (other
+   * than semantic lookahead), then this vector contains nothing.  If
+   * this vector contains something, then it is the boolean expression
+   * that forms the semantic lookahead.  In this case, the following
+   * fields "amount" and "la_expansion" are ignored.
+   */
+  public java.util.Vector action_tokens = new java.util.Vector();
+
+  /**
+   * The lookahead amount.  Its default value essentially gives us
+   * infinite lookahead.
+   */
+  public int amount = Integer.MAX_VALUE;
+
+  /**
+   * The expansion used to determine whether or not to choose the
+   * corresponding parse option.  This expansion is parsed upto
+   * "amount" tokens of lookahead or until a complete match for it
+   * is found.  Usually, this is the same as the expansion to be
+   * parsed.
+   */
+  public Expansion la_expansion;
+
+  /**
+   * Is set to true if this is an explicit lookahead specification.
+   */
+  public boolean isExplicit;
+
+}

csjavacc/struct/MatchInfo.java

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+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+public class MatchInfo {
+  public static int laLimit;
+  public int[] match = new int[laLimit];
+  public int firstFreeLoc;
+
+   public static void reInit()
+   {
+      laLimit = 0;
+   }
+}

csjavacc/struct/Nfa.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+import csjavacc.parser.NfaState;
+
+public class Nfa
+{
+   public NfaState start;
+   public NfaState end;
+
+   public Nfa()
+   {
+      start = new NfaState();
+      end = new NfaState();
+   }
+
+   public Nfa(NfaState startGiven, NfaState finalGiven)
+   {
+      start = startGiven;
+      end = finalGiven;
+   }
+}

csjavacc/struct/NonTerminal.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+import csjavacc.parser.NormalProduction;
+
+/**
+ * Describes non terminals.
+ */
+
+public class NonTerminal extends Expansion {
+
+  /**
+   * The LHS to which the return value of the non-terminal
+   * is assigned.  In case there is no LHS, then the vector
+   * remains empty.
+   */
+  public java.util.Vector lhsTokens = new java.util.Vector();
+
+  /**
+   * The name of the non-terminal.
+   */
+  public String name;
+
+  /**
+   * The list of all tokens in the argument list.
+   */
+  public java.util.Vector argument_tokens = new java.util.Vector();
+
+  /**
+   * The production this non-terminal corresponds to.
+   */
+  public NormalProduction prod;
+
+}

csjavacc/struct/REndOfFile.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+
+/**
+ * Describes the EOF regular expression
+ */
+
+public class REndOfFile extends RegularExpression {
+
+  public Nfa GenerateNfa(boolean ignoreCase)
+  {
+     return null;
+  }
+}

csjavacc/struct/RJustName.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+
+/**
+ * Describes regular expressions which are referred to just by
+ * their name.  This means that a regular expression with this
+ * name has been declared earlier.
+ */
+
+public class RJustName extends RegularExpression {
+
+  /**
+   * "regexpr" points to the regular expression denoted by the name.
+   */
+  public RegularExpression regexpr;
+
+  public Nfa GenerateNfa(boolean ignoreCase)
+  {
+     return regexpr.GenerateNfa(ignoreCase);
+  }
+
+}

csjavacc/struct/ROneOrMore.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+import csjavacc.parser.NfaState;
+
+/**
+ * Describes one-or-more regular expressions (<foo+>).
+ */
+
+public class ROneOrMore extends RegularExpression {
+
+  /**
+   * The regular expression which is repeated one or more times.
+   */
+  public RegularExpression regexpr;
+
+  public Nfa GenerateNfa(boolean ignoreCase)
+  {
+     Nfa retVal = new Nfa();
+     NfaState startState = retVal.start;
+     NfaState finalState = retVal.end;
+
+     Nfa temp = regexpr.GenerateNfa(ignoreCase);
+
+     startState.AddMove(temp.start);
+     temp.end.AddMove(temp.start);
+     temp.end.AddMove(finalState);
+
+     return retVal;
+  }
+}

csjavacc/struct/RRepetitionRange.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+import java.util.Vector;
+
+
+/**
+ * Describes one-or-more regular expressions (<foo+>).
+ */
+
+public class RRepetitionRange extends RegularExpression {
+
+  /**
+   * The regular expression which is repeated one or more times.
+   */
+  public RegularExpression regexpr;
+  public int min = 0;
+  public int max = -1;
+  public boolean hasMax;
+
+  public Nfa GenerateNfa(boolean ignoreCase)
+  {
+     Vector units = new Vector();
+     RSequence seq;
+     int i;
+
+     for (i = 0; i < min; i++)
+     {
+        units.addElement(regexpr);
+     }
+
+     if (hasMax && max == -1) // Unlimited
+     {
+        RZeroOrMore zoo = new RZeroOrMore();
+        zoo.regexpr = regexpr;
+        units.addElement(zoo);
+     }
+
+     while (i++ < max)
+     {
+        RZeroOrOne zoo = new RZeroOrOne();
+        zoo.regexpr = regexpr;
+        units.addElement(zoo);
+     }
+     seq = new RSequence(units);
+     return seq.GenerateNfa(ignoreCase);
+  }
+}

csjavacc/struct/RSequence.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+import java.util.*;
+
+import csjavacc.parser.NfaState;
+
+/**
+ * Describes regular expressions which are sequences of
+ * other regular expressions.
+ */
+
+public class RSequence extends RegularExpression {
+
+  /**
+   * The list of units in this regular expression sequence.  Each
+   * Vector component will narrow to RegularExpression.
+   */
+  public java.util.Vector units = new java.util.Vector();
+
+  public Nfa GenerateNfa(boolean ignoreCase)
+  {
+     if (units.size() == 1)
+        return ((RegularExpression)units.elementAt(0)).GenerateNfa(ignoreCase);
+
+     Nfa retVal = new Nfa();
+     NfaState startState = retVal.start;
+     NfaState finalState = retVal.end;
+     Nfa temp1;
+     Nfa temp2 = null;
+
+     RegularExpression curRE;
+
+     curRE = (RegularExpression)units.elementAt(0);
+     temp1 = curRE.GenerateNfa(ignoreCase);
+     startState.AddMove(temp1.start);
+
+     for (int i = 1; i < units.size(); i++)
+     {
+        curRE = (RegularExpression)units.elementAt(i);
+
+        temp2 = curRE.GenerateNfa(ignoreCase);
+        temp1.end.AddMove(temp2.start);
+        temp1 = temp2;
+     }
+
+     temp2.end.AddMove(finalState);
+
+     return retVal;
+  }
+
+  public RSequence()
+  {
+  }
+
+  public RSequence(Vector seq)
+  {
+     ordinal = Integer.MAX_VALUE;
+     units = seq;
+  }
+}

csjavacc/struct/RZeroOrMore.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+import csjavacc.parser.NfaState;
+
+/**
+ * Describes zero-or-more regular expressions (<foo*>).
+ */
+
+public class RZeroOrMore extends RegularExpression {
+
+  /**
+   * The regular expression which is repeated zero or more times.
+   */
+  public RegularExpression regexpr;
+
+  public Nfa GenerateNfa(boolean ignoreCase)
+  {
+     Nfa retVal = new Nfa();
+     NfaState startState = retVal.start;
+     NfaState finalState = retVal.end;
+
+     Nfa temp = regexpr.GenerateNfa(ignoreCase);
+
+     startState.AddMove(temp.start);
+     startState.AddMove(finalState);
+     temp.end.AddMove(finalState);
+     temp.end.AddMove(temp.start);
+
+     return retVal;
+  }
+
+}

csjavacc/struct/RZeroOrOne.java

@@ -0,0 +1,53 @@
+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+import csjavacc.parser.NfaState;
+
+/**
+ * Describes zero-or-one regular expressions (<foo?>).
+ */
+
+public class RZeroOrOne extends RegularExpression {
+
+  /**
+   * The regular expression which is repeated zero or one times.
+   */
+  public RegularExpression regexpr;
+
+  public Nfa GenerateNfa(boolean ignoreCase)
+  {
+     Nfa retVal = new Nfa();
+     NfaState startState = retVal.start;
+     NfaState finalState = retVal.end;
+
+     Nfa temp = regexpr.GenerateNfa(ignoreCase);
+
+     startState.AddMove(temp.start);
+     startState.AddMove(finalState);
+     temp.end.AddMove(finalState);
+
+     return retVal;
+  }
+
+}

csjavacc/struct/RegularExpression.java

@@ -0,0 +1,89 @@
+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+import csjavacc.parser.Token;
+
+/**
+ * Describes regular expressions.
+ */
+
+abstract public class RegularExpression extends Expansion {
+
+  /**
+   * The label of the regular expression (if any).  If no label is
+   * present, this is set to "".
+   */
+  public String label = "";
+
+  /**
+   * The ordinal value assigned to the regular expression.  It is
+   * used for internal processing and passing information between
+   * the parser and the lexical analyzer.
+   */
+  public int ordinal;
+
+  /**
+   * The LHS to which the token value of the regular expression
+   * is assigned.  In case there is no LHS, then the vector
+   * remains empty.
+   */
+  public java.util.Vector lhsTokens = new java.util.Vector();
+
+  /**
+	* We now allow qualified access to token members. Store it here.
+   */
+  public Token rhsToken;
+
+  /**
+   * This flag is set if the regular expression has a label prefixed
+   * with the # symbol - this indicates that the purpose of the regular
+   * expression is solely for defining other regular expressions.
+   */
+  public boolean private_rexp = false;
+
+  /**
+   * If this is a top-level regular expression (nested directly
+   * within a TokenProduction), then this field point to that
+   * TokenProduction object.
+   */
+  public TokenProduction tpContext = null;
+
+  abstract public Nfa GenerateNfa(boolean ignoreCase);
+
+  public boolean CanMatchAnyChar()
+  {
+     return false;
+  }
+
+  /**
+   * The following variable is used to maintain state information for the
+   * loop determination algorithm:  It is initialized to 0, and
+   * set to -1 if this node has been visited in a pre-order walk, and then
+   * it is set to 1 if the pre-order walk of the whole graph from this
+   * node has been traversed.  i.e., -1 indicates partially processed,
+   * and 1 indicates fully processed.
+   */
+  public int walkStatus = 0;
+
+}

csjavacc/struct/TokenProduction.java

@@ -0,0 +1,94 @@
+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+import csjavacc.parser.Token;
+
+/**
+ * Describes the various regular expression productions.
+ */
+
+public class TokenProduction {
+
+  /**
+   * Definitions of constants that identify the kind of regular
+   * expression production this is.
+   */
+  public static final int TOKEN  = 0,
+                          SKIP   = 1,
+                          MORE   = 2,
+                          SPECIAL = 3;
+
+  /**
+   * The image of the above constants.
+   */
+  public static final String[] kindImage = {
+    "TOKEN", "SKIP", "MORE", "SPECIAL"
+  };
+
+  /**
+   * The starting line and column of this token production.
+   */
+  public int line, column;
+
+  /**
+   * The states in which this regular expression production exists.  If
+   * this array is null, then "<*>" has been specified and this regular
+   * expression exists in all states.  However, this null value is
+   * replaced by a String array that includes all lexical state names
+   * during the semanticization phase.
+   */
+  public String[] lexStates;
+
+  /**
+   * The kind of this token production - TOKEN, SKIP, MORE, or SPECIAL.
+   */
+  public int kind;
+
+  /**
+   * The list of regular expression specifications that comprise this
+   * production.  Each entry is a "RegExprSpec".
+   */
+  public java.util.Vector respecs = new java.util.Vector();
+
+  /**
+   * This is true if this corresponds to a production that actually
+   * appears in the input grammar.  Otherwise (if this is created to
+   * describe a regular expression that is part of the BNF) this is set
+   * to false.
+   */
+  public boolean isExplicit = true;
+
+  /**
+   * This is true if case is to be ignored within the regular expressions
+   * of this token production.
+   */
+  public boolean ignoreCase = false;
+
+  /**
+   * The first and last tokens from the input stream that represent this
+   * production.
+   */
+  public Token firstToken, lastToken;
+
+}

csjavacc/struct/TreeWalkerOp.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+
+/**
+ * Objects of this type are passed to the tree walker
+ * routines in ExpansionTreeWalker.
+ */
+public interface TreeWalkerOp {
+
+  /**
+   * When called at a particular node, this specifies to the
+   * tree walker if it should visit more nodes under this node.
+   */
+  boolean goDeeper(Expansion e);
+
+  /**
+   * When a node is visited, this method is invoked with the
+   * node as parameter.
+   */
+  void action(Expansion e);
+
+}

csjavacc/struct/TryBlock.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+
+/**
+ * Describes expansions of the form "try {...} ..."
+ */
+
+public class TryBlock extends Expansion {
+
+  /**
+   * The expansion contained within the try block.
+   */
+  public Expansion exp;
+
+  /**
+   * The types of each catch block.  Each vector entry is itself a
+   * vector which in turn contains tokens as entries.
+   */
+  public java.util.Vector types;
+
+  /**
+   * The exception identifiers of each catch block.  Each vector entry
+   * is a token.
+   */
+  public java.util.Vector ids;
+
+  /**
+   * The block part of each catch block.  Each vector entry is itself a
+   * vector which in turn contains tokens as entries.
+   */
+  public java.util.Vector catchblks;
+
+  /**
+   * The block part of the finally block.  Each vector entry is a token.
+   * If there is no finally block, this is null.
+   */
+  public java.util.Vector finallyblk;
+
+}

csjavacc/struct/ZeroOrMore.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+
+/**
+ * Describes zero-or-more expansions (e.g., foo*).
+ */
+
+public class ZeroOrMore extends Expansion {
+
+  /**
+   * The expansion which is repeated zero or more times.
+   */
+  public Expansion expansion;
+
+}

csjavacc/struct/ZeroOrOne.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
+ * intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation,
+ * these intellectual property rights may include one or more of the U.S.
+ * patents listed at http://www.sun.com/patents and one or more additional
+ * patents or pending patent applications in the U.S. and in other countries.
+ * U.S. Government Rights - Commercial software. Government users are subject
+ * to the Sun Microsystems, Inc. standard license agreement and applicable
+ * provisions of the FAR and its supplements.  Use is subject to license terms.
+ * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
+ * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
+ * product is covered and controlled by U.S. Export Control laws and may be
+ * subject to the export or import laws in other countries.  Nuclear, missile,
+ * chemical biological weapons or nuclear maritime end uses or end users,
+ * whether direct or indirect, are strictly prohibited.  Export or reexport
+ * to countries subject to U.S. embargo or to entities identified on U.S.
+ * export exclusion lists, including, but not limited to, the denied persons
+ * and specially designated nationals lists is strictly prohibited.
+ */
+
+package csjavacc.struct;
+
+
+/**
+ * Describes zero-or-one expansions (e.g., [foo], foo?).
+ */
+
+public class ZeroOrOne extends Expansion {
+
+  /**
+   * The expansion which is repeated zero or one times.
+   */
+  public Expansion expansion;
+
+}