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edu.stanford.nlp.trees.tregex.tsurgeon.TsurgeonParser Maven / Gradle / Ivy

/* TsurgeonParser.java */
/* Generated By:JJTree&JavaCC: Do not edit this line. TsurgeonParser.java */
package edu.stanford.nlp.trees.tregex.tsurgeon;

import edu.stanford.nlp.trees.*;
import edu.stanford.nlp.util.Generics;

import java.util.*;


class TsurgeonParser/*@bgen(jjtree)*/implements TsurgeonParserTreeConstants, TsurgeonParserConstants {/*@bgen(jjtree)*/
  protected JJTTsurgeonParserState jjtree = new JJTTsurgeonParserState();
  private TreeFactory treeFactory = new LabeledScoredTreeFactory();

  public static void main(String[] args) {
    System.out.println("Reading from standard input...");
    TsurgeonParser t = new TsurgeonParser(System.in);
    try {
      TsurgeonPattern n = t.Root();
      System.out.println(n.toString());
      System.out.println("Thank you.");
    } catch (Exception e) {
      System.out.println("Oops.");
      System.out.println(e.getMessage());
      e.printStackTrace();
    }
  }

// TODO: this is wasteful in terms of creating TsurgeonPatternRoot.
// Should separate that out into another production
  final public TsurgeonPatternRoot Root() throws ParseException {/*@bgen(jjtree) Root */
  SimpleNode jjtn000 = new SimpleNode(JJTROOT);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);Token name;
  TsurgeonPattern result;
  List results = null;
    try {
      switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
      case DELETE:
      case PRUNE:
      case RELABEL:
      case EXCISE:
      case INSERT:
      case MOVE:
      case REPLACE:
      case CREATE_SUBTREE:
      case ADJOIN:
      case ADJOIN_TO_HEAD:
      case ADJOIN_TO_FOOT:
      case COINDEX:{
        result = Operation();
jjtree.closeNodeScope(jjtn000, true);
    jjtc000 = false;
{if ("" != null) return new TsurgeonPatternRoot(result);}
        break;
        }
      default:
        jj_la1[1] = jj_gen;
        if (jj_2_1(2)) {
          jj_consume_token(IF);
          jj_consume_token(EXISTS);
          name = jj_consume_token(NAME);
          result = Root();
jjtree.closeNodeScope(jjtn000, true);
    jjtc000 = false;
{if ("" != null) return new TsurgeonPatternRoot(new IfExistsNode(name.image, false, result.children));}
        } else if (jj_2_2(2)) {
          jj_consume_token(IF);
          jj_consume_token(NOT);
          jj_consume_token(EXISTS);
          name = jj_consume_token(NAME);
          result = Root();
jjtree.closeNodeScope(jjtn000, true);
    jjtc000 = false;
{if ("" != null) return new TsurgeonPatternRoot(new IfExistsNode(name.image, true, result.children));}
        } else {
          switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
          case OPEN_BRACKET:{
            label_1:
            while (true) {
              jj_consume_token(OPEN_BRACKET);
              result = Root();
              jj_consume_token(CLOSE_BRACKET);
if (results == null) {
        results = Generics.newArrayList();
      }
      for (TsurgeonPattern child : result.children) {
        results.add(child);
      }
              switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
              case OPEN_BRACKET:{
                ;
                break;
                }
              default:
                jj_la1[0] = jj_gen;
                break label_1;
              }
            }
jjtree.closeNodeScope(jjtn000, true);
    jjtc000 = false;
TsurgeonPattern[] array = new TsurgeonPattern[results.size()];
    {if ("" != null) return new TsurgeonPatternRoot(results.toArray(array));}
            break;
            }
          default:
            jj_la1[2] = jj_gen;
            jj_consume_token(-1);
            throw new ParseException();
          }
        }
      }
    } catch (Throwable jjte000) {
if (jjtc000) {
      jjtree.clearNodeScope(jjtn000);
      jjtc000 = false;
    } else {
      jjtree.popNode();
    }
    if (jjte000 instanceof RuntimeException) {
      {if (true) throw (RuntimeException)jjte000;}
    }
    if (jjte000 instanceof ParseException) {
      {if (true) throw (ParseException)jjte000;}
    }
    {if (true) throw (Error)jjte000;}
    } finally {
if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
    }
    }
    throw new Error("Missing return statement in function");
  }

  final public TsurgeonPattern Operation() throws ParseException {/*@bgen(jjtree) Operation */
  SimpleNode jjtn000 = new SimpleNode(JJTOPERATION);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);TsurgeonPattern child1;
  TsurgeonPattern child2 = null;
  Token newLabel = null;
  TreeLocation loc = null;
  Token operator;
  AuxiliaryTree tree = null;
  List treeList = null;
  List nodeSelections = null;
  Token regex;
  Token hash_int;
    try {
      switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
      case DELETE:{
        operator = jj_consume_token(DELETE);
        nodeSelections = NodeSelectionList(new ArrayList());
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
{if ("" != null) return new DeleteNode(nodeSelections);}
        break;
        }
      case PRUNE:{
        operator = jj_consume_token(PRUNE);
        nodeSelections = NodeSelectionList(new ArrayList());
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
{if ("" != null) return new PruneNode(nodeSelections);}
        break;
        }
      case EXCISE:{
        operator = jj_consume_token(EXCISE);
        child1 = NodeSelection();
        child2 = NodeSelection();
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
{if ("" != null) return new ExciseNode(child1,child2);}
        break;
        }
      default:
        jj_la1[3] = jj_gen;
        if (jj_2_3(3)) {
          operator = jj_consume_token(RELABEL);
          child1 = NodeSelection();
          newLabel = jj_consume_token(IDENTIFIER);
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
{if ("" != null) return new RelabelNode(child1,newLabel.image);}
        } else if (jj_2_4(3)) {
          operator = jj_consume_token(RELABEL);
          child1 = NodeSelection();
          newLabel = jj_consume_token(QUOTEX);
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
{if ("" != null) return new RelabelNode(child1, newLabel.image);}
        } else if (jj_2_5(3)) {
          operator = jj_consume_token(RELABEL);
          child1 = NodeSelection();
          regex = jj_consume_token(REGEX);
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
{if ("" != null) return new RelabelNode(child1, regex.image);}
        } else if (jj_2_6(3)) {
          operator = jj_consume_token(RELABEL);
          child1 = NodeSelection();
          newLabel = jj_consume_token(GENERAL_RELABEL);
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
{if ("" != null) return new RelabelNode(child1, newLabel.image);}
        } else if (jj_2_7(3)) {
          operator = jj_consume_token(REPLACE);
          child1 = NodeSelection();
          child2 = NodeSelection();
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
{if ("" != null) return new ReplaceNode(child1,child2);}
        } else if (jj_2_8(3)) {
          operator = jj_consume_token(REPLACE);
          child1 = NodeSelection();
          treeList = TreeList(false);
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
{if ("" != null) return new ReplaceNode(child1,treeList);}
        } else {
          switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
          case MOVE:{
            operator = jj_consume_token(MOVE);
            child1 = NodeSelection();
            loc = Location();
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
{if ("" != null) return new MoveNode(child1, loc);}
            break;
            }
          default:
            jj_la1[4] = jj_gen;
            if (jj_2_9(3)) {
              operator = jj_consume_token(INSERT);
              child1 = NodeSelection();
              loc = Location();
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
{if ("" != null) return new InsertNode(child1, loc);}
            } else if (jj_2_10(3)) {
              operator = jj_consume_token(INSERT);
              tree = TreeRoot(false);
              loc = Location();
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
{if ("" != null) return new InsertNode(tree, loc);}
            } else {
              switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
              case CREATE_SUBTREE:{
                operator = jj_consume_token(CREATE_SUBTREE);
                tree = TreeRoot(false);
                nodeSelections = NodeSelectionList(new ArrayList());
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
if (nodeSelections.size() == 1) {
        {if ("" != null) return new CreateSubtreeNode(nodeSelections.get(0), tree);}
      } else if (nodeSelections.size() == 2) {
        {if ("" != null) return new CreateSubtreeNode(nodeSelections.get(0), nodeSelections.get(1), tree);}
      } else {
        {if (true) throw new ParseException("Illegal number of nodes given to createSubtree (" + nodeSelections.size() + ")");}
      }
                break;
                }
              case ADJOIN:{
                operator = jj_consume_token(ADJOIN);
                tree = TreeRoot(true);
                child1 = NodeSelection();
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
{if ("" != null) return new AdjoinNode(tree, child1);}
                break;
                }
              case ADJOIN_TO_HEAD:{
                operator = jj_consume_token(ADJOIN_TO_HEAD);
                tree = TreeRoot(true);
                child1 = NodeSelection();
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
{if ("" != null) return new AdjoinToHeadNode(tree, child1);}
                break;
                }
              case ADJOIN_TO_FOOT:{
                operator = jj_consume_token(ADJOIN_TO_FOOT);
                tree = TreeRoot(true);
                child1 = NodeSelection();
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
{if ("" != null) return new AdjoinToFootNode(tree, child1);}
                break;
                }
              case COINDEX:{
                operator = jj_consume_token(COINDEX);
                nodeSelections = NodeSelectionList(new ArrayList());
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
{if ("" != null) return new CoindexNodes(nodeSelections.toArray(new TsurgeonPattern[] {}));}
                break;
                }
              default:
                jj_la1[5] = jj_gen;
                jj_consume_token(-1);
                throw new ParseException();
              }
            }
          }
        }
      }
    } catch (Throwable jjte000) {
if (jjtc000) {
      jjtree.clearNodeScope(jjtn000);
      jjtc000 = false;
    } else {
      jjtree.popNode();
    }
    if (jjte000 instanceof RuntimeException) {
      {if (true) throw (RuntimeException)jjte000;}
    }
    if (jjte000 instanceof ParseException) {
      {if (true) throw (ParseException)jjte000;}
    }
    {if (true) throw (Error)jjte000;}
    } finally {
if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
    }
    }
    throw new Error("Missing return statement in function");
  }

  final public TreeLocation Location() throws ParseException {/*@bgen(jjtree) Location */
  SimpleNode jjtn000 = new SimpleNode(JJTLOCATION);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);Token rel;
  TsurgeonPattern child;
    try {
      rel = jj_consume_token(LOCATION_RELATION);
      child = NodeSelection();
jjtree.closeNodeScope(jjtn000, true);
     jjtc000 = false;
{if ("" != null) return new TreeLocation(rel.image, child);}
    } catch (Throwable jjte000) {
if (jjtc000) {
     jjtree.clearNodeScope(jjtn000);
     jjtc000 = false;
   } else {
     jjtree.popNode();
   }
   if (jjte000 instanceof RuntimeException) {
     {if (true) throw (RuntimeException)jjte000;}
   }
   if (jjte000 instanceof ParseException) {
     {if (true) throw (ParseException)jjte000;}
   }
   {if (true) throw (Error)jjte000;}
    } finally {
if (jjtc000) {
     jjtree.closeNodeScope(jjtn000, true);
   }
    }
    throw new Error("Missing return statement in function");
  }

  final public List NodeSelectionList(List l) throws ParseException {/*@bgen(jjtree) NodeSelectionList */
  SimpleNode jjtn000 = new SimpleNode(JJTNODESELECTIONLIST);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);TsurgeonPattern result;
    try {
      result = NodeSelection();
l.add(result);
      label_2:
      while (true) {
        switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
        case IDENTIFIER:{
          ;
          break;
          }
        default:
          jj_la1[6] = jj_gen;
          break label_2;
        }
        result = NodeSelection();
l.add(result);
      }
jjtree.closeNodeScope(jjtn000, true);
     jjtc000 = false;
{if ("" != null) return l;}
    } catch (Throwable jjte000) {
if (jjtc000) {
     jjtree.clearNodeScope(jjtn000);
     jjtc000 = false;
   } else {
     jjtree.popNode();
   }
   if (jjte000 instanceof RuntimeException) {
     {if (true) throw (RuntimeException)jjte000;}
   }
   if (jjte000 instanceof ParseException) {
     {if (true) throw (ParseException)jjte000;}
   }
   {if (true) throw (Error)jjte000;}
    } finally {
if (jjtc000) {
     jjtree.closeNodeScope(jjtn000, true);
   }
    }
    throw new Error("Missing return statement in function");
  }

// TODO: what does this next comment mean?
// we'll also put in a way to use a SELECTION with a list of nodes.
  final public TsurgeonPattern NodeSelection() throws ParseException {/*@bgen(jjtree) NodeSelection */
  SimpleNode jjtn000 = new SimpleNode(JJTNODESELECTION);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);TsurgeonPattern result;
    try {
      result = NodeName();
jjtree.closeNodeScope(jjtn000, true);
    jjtc000 = false;
{if ("" != null) return result;}
    } catch (Throwable jjte000) {
if (jjtc000) {
      jjtree.clearNodeScope(jjtn000);
      jjtc000 = false;
    } else {
      jjtree.popNode();
    }
    if (jjte000 instanceof RuntimeException) {
      {if (true) throw (RuntimeException)jjte000;}
    }
    if (jjte000 instanceof ParseException) {
      {if (true) throw (ParseException)jjte000;}
    }
    {if (true) throw (Error)jjte000;}
    } finally {
if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
    }
    }
    throw new Error("Missing return statement in function");
  }

  final public TsurgeonPattern NodeName() throws ParseException {/*@bgen(jjtree) NodeName */
  SimpleNode jjtn000 = new SimpleNode(JJTNODENAME);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);Token t;
    try {
      t = jj_consume_token(IDENTIFIER);
jjtree.closeNodeScope(jjtn000, true);
    jjtc000 = false;
{if ("" != null) return new FetchNode(t.image);}
    } finally {
if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
    }
    }
    throw new Error("Missing return statement in function");
  }

  final public List TreeList(boolean requiresFoot) throws ParseException {/*@bgen(jjtree) TreeList */
  SimpleNode jjtn000 = new SimpleNode(JJTTREELIST);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);List trees = Generics.newArrayList();
  AuxiliaryTree tree;
    try {
      tree = TreeRoot(requiresFoot);
trees.add(tree);
      label_3:
      while (true) {
        switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
        case IDENTIFIER:
        case TREE_NODE_TERMINAL_LABEL:
        case TREE_NODE_NONTERMINAL_LABEL:{
          ;
          break;
          }
        default:
          jj_la1[7] = jj_gen;
          break label_3;
        }
        tree = TreeRoot(requiresFoot);
trees.add(tree);
      }
jjtree.closeNodeScope(jjtn000, true);
     jjtc000 = false;
{if ("" != null) return trees;}
    } catch (Throwable jjte000) {
if (jjtc000) {
     jjtree.clearNodeScope(jjtn000);
     jjtc000 = false;
   } else {
     jjtree.popNode();
   }
   if (jjte000 instanceof RuntimeException) {
     {if (true) throw (RuntimeException)jjte000;}
   }
   if (jjte000 instanceof ParseException) {
     {if (true) throw (ParseException)jjte000;}
   }
   {if (true) throw (Error)jjte000;}
    } finally {
if (jjtc000) {
     jjtree.closeNodeScope(jjtn000, true);
   }
    }
    throw new Error("Missing return statement in function");
  }

// the argument says whether there must be a foot node on the aux tree.
  final public AuxiliaryTree TreeRoot(boolean requiresFoot) throws ParseException {/*@bgen(jjtree) TreeRoot */
  SimpleNode jjtn000 = new SimpleNode(JJTTREEROOT);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);Tree t;
    try {
      t = TreeNode();
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
{if ("" != null) return new AuxiliaryTree(t,requiresFoot);}
    } catch (Throwable jjte000) {
if (jjtc000) {
      jjtree.clearNodeScope(jjtn000);
      jjtc000 = false;
    } else {
      jjtree.popNode();
    }
    if (jjte000 instanceof RuntimeException) {
      {if (true) throw (RuntimeException)jjte000;}
    }
    if (jjte000 instanceof ParseException) {
      {if (true) throw (ParseException)jjte000;}
    }
    {if (true) throw (Error)jjte000;}
    } finally {
if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
    }
    }
    throw new Error("Missing return statement in function");
  }

  final public Tree TreeNode() throws ParseException {/*@bgen(jjtree) TreeNode */
 SimpleNode jjtn000 = new SimpleNode(JJTTREENODE);
 boolean jjtc000 = true;
 jjtree.openNodeScope(jjtn000);Token label;
 List dtrs = null;
    try {
      switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
      case TREE_NODE_NONTERMINAL_LABEL:{
        label = jj_consume_token(TREE_NODE_NONTERMINAL_LABEL);
        dtrs = TreeDtrs(new ArrayList());
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
{if ("" != null) return treeFactory.newTreeNode(label.image.substring(1),dtrs);}
        break;
        }
      case TREE_NODE_TERMINAL_LABEL:{
        label = jj_consume_token(TREE_NODE_TERMINAL_LABEL);
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
{if ("" != null) return treeFactory.newTreeNode(label.image,new ArrayList());}
        break;
        }
      case IDENTIFIER:{
        label = jj_consume_token(IDENTIFIER);
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
{if ("" != null) return treeFactory.newTreeNode(label.image,new ArrayList());}
        break;
        }
      default:
        jj_la1[8] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
    } catch (Throwable jjte000) {
if (jjtc000) {
     jjtree.clearNodeScope(jjtn000);
     jjtc000 = false;
   } else {
     jjtree.popNode();
   }
   if (jjte000 instanceof RuntimeException) {
     {if (true) throw (RuntimeException)jjte000;}
   }
   if (jjte000 instanceof ParseException) {
     {if (true) throw (ParseException)jjte000;}
   }
   {if (true) throw (Error)jjte000;}
    } finally {
if (jjtc000) {
     jjtree.closeNodeScope(jjtn000, true);
   }
    }
    throw new Error("Missing return statement in function");
  }

  final public List TreeDtrs(List dtrs) throws ParseException {/*@bgen(jjtree) TreeDtrs */
  SimpleNode jjtn000 = new SimpleNode(JJTTREEDTRS);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);Tree tree;
    try {
      switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
      case IDENTIFIER:
      case TREE_NODE_TERMINAL_LABEL:
      case TREE_NODE_NONTERMINAL_LABEL:{
        tree = TreeNode();
        TreeDtrs(dtrs);
jjtree.closeNodeScope(jjtn000, true);
      jjtc000 = false;
dtrs.add(0,tree); {if ("" != null) return dtrs;}
        break;
        }
      case CLOSE_PAREN:{
        jj_consume_token(CLOSE_PAREN);
jjtree.closeNodeScope(jjtn000, true);
    jjtc000 = false;
{if ("" != null) return dtrs;}
        break;
        }
      default:
        jj_la1[9] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
    } catch (Throwable jjte000) {
if (jjtc000) {
      jjtree.clearNodeScope(jjtn000);
      jjtc000 = false;
    } else {
      jjtree.popNode();
    }
    if (jjte000 instanceof RuntimeException) {
      {if (true) throw (RuntimeException)jjte000;}
    }
    if (jjte000 instanceof ParseException) {
      {if (true) throw (ParseException)jjte000;}
    }
    {if (true) throw (Error)jjte000;}
    } finally {
if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
    }
    }
    throw new Error("Missing return statement in function");
  }

  private boolean jj_2_1(int xla)
 {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_1(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(0, xla); }
  }

  private boolean jj_2_2(int xla)
 {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_2(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(1, xla); }
  }

  private boolean jj_2_3(int xla)
 {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_3(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(2, xla); }
  }

  private boolean jj_2_4(int xla)
 {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_4(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(3, xla); }
  }

  private boolean jj_2_5(int xla)
 {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_5(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(4, xla); }
  }

  private boolean jj_2_6(int xla)
 {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_6(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(5, xla); }
  }

  private boolean jj_2_7(int xla)
 {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_7(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(6, xla); }
  }

  private boolean jj_2_8(int xla)
 {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_8(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(7, xla); }
  }

  private boolean jj_2_9(int xla)
 {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_9(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(8, xla); }
  }

  private boolean jj_2_10(int xla)
 {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_10(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(9, xla); }
  }

  private boolean jj_3R_15()
 {
    if (jj_scan_token(CLOSE_PAREN)) return true;
    return false;
  }

  private boolean jj_3R_8()
 {
    if (jj_scan_token(IDENTIFIER)) return true;
    return false;
  }

  private boolean jj_3R_14()
 {
    if (jj_3R_9()) return true;
    return false;
  }

  private boolean jj_3R_13()
 {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_14()) {
    jj_scanpos = xsp;
    if (jj_3R_15()) return true;
    }
    return false;
  }

  private boolean jj_3R_4()
 {
    if (jj_3R_8()) return true;
    return false;
  }

  private boolean jj_3R_12()
 {
    if (jj_scan_token(IDENTIFIER)) return true;
    return false;
  }

  private boolean jj_3_10()
 {
    if (jj_scan_token(INSERT)) return true;
    if (jj_3R_7()) return true;
    if (jj_3R_6()) return true;
    return false;
  }

  private boolean jj_3R_11()
 {
    if (jj_scan_token(TREE_NODE_TERMINAL_LABEL)) return true;
    return false;
  }

  private boolean jj_3_9()
 {
    if (jj_scan_token(INSERT)) return true;
    if (jj_3R_4()) return true;
    if (jj_3R_6()) return true;
    return false;
  }

  private boolean jj_3R_9()
 {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_10()) {
    jj_scanpos = xsp;
    if (jj_3R_11()) {
    jj_scanpos = xsp;
    if (jj_3R_12()) return true;
    }
    }
    return false;
  }

  private boolean jj_3R_10()
 {
    if (jj_scan_token(TREE_NODE_NONTERMINAL_LABEL)) return true;
    if (jj_3R_13()) return true;
    return false;
  }

  private boolean jj_3_8()
 {
    if (jj_scan_token(REPLACE)) return true;
    if (jj_3R_4()) return true;
    if (jj_3R_5()) return true;
    return false;
  }

  private boolean jj_3_7()
 {
    if (jj_scan_token(REPLACE)) return true;
    if (jj_3R_4()) return true;
    if (jj_3R_4()) return true;
    return false;
  }

  private boolean jj_3R_7()
 {
    if (jj_3R_9()) return true;
    return false;
  }

  private boolean jj_3_2()
 {
    if (jj_scan_token(IF)) return true;
    if (jj_scan_token(NOT)) return true;
    return false;
  }

  private boolean jj_3_6()
 {
    if (jj_scan_token(RELABEL)) return true;
    if (jj_3R_4()) return true;
    if (jj_scan_token(GENERAL_RELABEL)) return true;
    return false;
  }

  private boolean jj_3_1()
 {
    if (jj_scan_token(IF)) return true;
    if (jj_scan_token(EXISTS)) return true;
    return false;
  }

  private boolean jj_3_5()
 {
    if (jj_scan_token(RELABEL)) return true;
    if (jj_3R_4()) return true;
    if (jj_scan_token(REGEX)) return true;
    return false;
  }

  private boolean jj_3_4()
 {
    if (jj_scan_token(RELABEL)) return true;
    if (jj_3R_4()) return true;
    if (jj_scan_token(QUOTEX)) return true;
    return false;
  }

  private boolean jj_3R_6()
 {
    if (jj_scan_token(LOCATION_RELATION)) return true;
    return false;
  }

  private boolean jj_3_3()
 {
    if (jj_scan_token(RELABEL)) return true;
    if (jj_3R_4()) return true;
    if (jj_scan_token(IDENTIFIER)) return true;
    return false;
  }

  private boolean jj_3R_5()
 {
    if (jj_3R_7()) return true;
    return false;
  }

  /** Generated Token Manager. */
  public TsurgeonParserTokenManager token_source;
  SimpleCharStream jj_input_stream;
  /** Current token. */
  public Token token;
  /** Next token. */
  public Token jj_nt;
  private int jj_ntk;
  private Token jj_scanpos, jj_lastpos;
  private int jj_la;
  private int jj_gen;
  final private int[] jj_la1 = new int[10];
  static private int[] jj_la1_0;
  static private int[] jj_la1_1;
  static {
      jj_la1_init_0();
      jj_la1_init_1();
   }
   private static void jj_la1_init_0() {
      jj_la1_0 = new int[] {0x20,0x1ffe00,0x20,0x1600,0x4000,0x1f0000,0x2000000,0xc2000000,0xc2000000,0xc2000000,};
   }
   private static void jj_la1_init_1() {
      jj_la1_1 = new int[] {0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1,};
   }
  final private JJCalls[] jj_2_rtns = new JJCalls[10];
  private boolean jj_rescan = false;
  private int jj_gc = 0;

  /** Constructor with InputStream. */
  public TsurgeonParser(java.io.InputStream stream) {
     this(stream, null);
  }
  /** Constructor with InputStream and supplied encoding */
  public TsurgeonParser(java.io.InputStream stream, String encoding) {
    try { jj_input_stream = new SimpleCharStream(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
    token_source = new TsurgeonParserTokenManager(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 10; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  /** Reinitialise. */
  public void ReInit(java.io.InputStream stream) {
     ReInit(stream, null);
  }
  /** Reinitialise. */
  public void ReInit(java.io.InputStream stream, String encoding) {
    try { jj_input_stream.ReInit(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
    token_source.ReInit(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jjtree.reset();
    jj_gen = 0;
    for (int i = 0; i < 10; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  /** Constructor. */
  public TsurgeonParser(java.io.Reader stream) {
    jj_input_stream = new SimpleCharStream(stream, 1, 1);
    token_source = new TsurgeonParserTokenManager(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 10; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  /** Reinitialise. */
  public void ReInit(java.io.Reader stream) {
    jj_input_stream.ReInit(stream, 1, 1);
    token_source.ReInit(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jjtree.reset();
    jj_gen = 0;
    for (int i = 0; i < 10; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  /** Constructor with generated Token Manager. */
  public TsurgeonParser(TsurgeonParserTokenManager tm) {
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 10; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  /** Reinitialise. */
  public void ReInit(TsurgeonParserTokenManager tm) {
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jjtree.reset();
    jj_gen = 0;
    for (int i = 0; i < 10; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  private Token jj_consume_token(int kind) throws ParseException {
    Token oldToken;
    if ((oldToken = token).next != null) token = token.next;
    else token = token.next = token_source.getNextToken();
    jj_ntk = -1;
    if (token.kind == kind) {
      jj_gen++;
      if (++jj_gc > 100) {
        jj_gc = 0;
        for (int i = 0; i < jj_2_rtns.length; i++) {
          JJCalls c = jj_2_rtns[i];
          while (c != null) {
            if (c.gen < jj_gen) c.first = null;
            c = c.next;
          }
        }
      }
      return token;
    }
    token = oldToken;
    jj_kind = kind;
    throw generateParseException();
  }

  @SuppressWarnings("serial")
  static private final class LookaheadSuccess extends java.lang.Error { }
  final private LookaheadSuccess jj_ls = new LookaheadSuccess();
  private boolean jj_scan_token(int kind) {
    if (jj_scanpos == jj_lastpos) {
      jj_la--;
      if (jj_scanpos.next == null) {
        jj_lastpos = jj_scanpos = jj_scanpos.next = token_source.getNextToken();
      } else {
        jj_lastpos = jj_scanpos = jj_scanpos.next;
      }
    } else {
      jj_scanpos = jj_scanpos.next;
    }
    if (jj_rescan) {
      int i = 0; Token tok = token;
      while (tok != null && tok != jj_scanpos) { i++; tok = tok.next; }
      if (tok != null) jj_add_error_token(kind, i);
    }
    if (jj_scanpos.kind != kind) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) throw jj_ls;
    return false;
  }


/** Get the next Token. */
  final public Token getNextToken() {
    if (token.next != null) token = token.next;
    else token = token.next = token_source.getNextToken();
    jj_ntk = -1;
    jj_gen++;
    return token;
  }

/** Get the specific Token. */
  final public Token getToken(int index) {
    Token t = token;
    for (int i = 0; i < index; i++) {
      if (t.next != null) t = t.next;
      else t = t.next = token_source.getNextToken();
    }
    return t;
  }

  private int jj_ntk_f() {
    if ((jj_nt=token.next) == null)
      return (jj_ntk = (token.next=token_source.getNextToken()).kind);
    else
      return (jj_ntk = jj_nt.kind);
  }

  private java.util.List jj_expentries = new java.util.ArrayList();
  private int[] jj_expentry;
  private int jj_kind = -1;
  private int[] jj_lasttokens = new int[100];
  private int jj_endpos;

  private void jj_add_error_token(int kind, int pos) {
    if (pos >= 100) return;
    if (pos == jj_endpos + 1) {
      jj_lasttokens[jj_endpos++] = kind;
    } else if (jj_endpos != 0) {
      jj_expentry = new int[jj_endpos];
      for (int i = 0; i < jj_endpos; i++) {
        jj_expentry[i] = jj_lasttokens[i];
      }
      jj_entries_loop: for (java.util.Iterator it = jj_expentries.iterator(); it.hasNext();) {
        int[] oldentry = (int[])(it.next());
        if (oldentry.length == jj_expentry.length) {
          for (int i = 0; i < jj_expentry.length; i++) {
            if (oldentry[i] != jj_expentry[i]) {
              continue jj_entries_loop;
            }
          }
          jj_expentries.add(jj_expentry);
          break jj_entries_loop;
        }
      }
      if (pos != 0) jj_lasttokens[(jj_endpos = pos) - 1] = kind;
    }
  }

  /** Generate ParseException. */
  public ParseException generateParseException() {
    jj_expentries.clear();
    boolean[] la1tokens = new boolean[33];
    if (jj_kind >= 0) {
      la1tokens[jj_kind] = true;
      jj_kind = -1;
    }
    for (int i = 0; i < 10; i++) {
      if (jj_la1[i] == jj_gen) {
        for (int j = 0; j < 32; j++) {
          if ((jj_la1_0[i] & (1< jj_gen) {
          jj_la = p.arg; jj_lastpos = jj_scanpos = p.first;
          switch (i) {
            case 0: jj_3_1(); break;
            case 1: jj_3_2(); break;
            case 2: jj_3_3(); break;
            case 3: jj_3_4(); break;
            case 4: jj_3_5(); break;
            case 5: jj_3_6(); break;
            case 6: jj_3_7(); break;
            case 7: jj_3_8(); break;
            case 8: jj_3_9(); break;
            case 9: jj_3_10(); break;
          }
        }
        p = p.next;
      } while (p != null);
      } catch(LookaheadSuccess ls) { }
    }
    jj_rescan = false;
  }

  private void jj_save(int index, int xla) {
    JJCalls p = jj_2_rtns[index];
    while (p.gen > jj_gen) {
      if (p.next == null) { p = p.next = new JJCalls(); break; }
      p = p.next;
    }
    p.gen = jj_gen + xla - jj_la; p.first = token; p.arg = xla;
  }

  static final class JJCalls {
    int gen;
    Token first;
    int arg;
    JJCalls next;
  }

}




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