From 8dbdce2e910499f0bbab37eac1f75be003209f80 Mon Sep 17 00:00:00 2001
From: Dave Parker <dave.x.parker@gmail.com>
Date: Fri, 21 Aug 2015 00:28:44 +0000
Subject: [PATCH] Test code for LTL formulas in PrismParser.

git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@10554 bbc10eb1-c90d-0410-af57-cb519fbb1720
---
 prism/src/parser/PrismParser.java             | 1867 +++++++++--------
 prism/src/parser/PrismParser.jj               |   50 +
 prism/src/parser/PrismParserTokenManager.java |    2 +
 3 files changed, 1010 insertions(+), 909 deletions(-)

diff --git a/prism/src/parser/PrismParser.java b/prism/src/parser/PrismParser.java
index febefe5c..3fb86b5c 100644
--- a/prism/src/parser/PrismParser.java
+++ b/prism/src/parser/PrismParser.java
@@ -5,8 +5,10 @@ import java.io.*;
 import java.util.List;
 import java.util.ArrayList;
 
+import parser.BooleanUtils;
 import parser.ast.*;
 import parser.type.*;
+import parser.visitor.*;
 import prism.ModelType;
 import prism.PrismLangException;
 
@@ -40,6 +42,7 @@ public class PrismParser implements PrismParserConstants {
                                 System.out.println("Where: <switch> = -modulesfile or -mf");
                                 System.out.println("                  -propertiesfile or -pf");
                                 System.out.println("                  -expression or -e");
+                                System.out.println("                  -ltl or -l");
                                 System.exit(1);
                         }
 
@@ -70,6 +73,25 @@ public class PrismParser implements PrismParserConstants {
                                 expr.semanticCheck();
                                 System.out.println("Type: " + expr.getType().getTypeString());
                                 System.out.println("Eval: " + expr.evaluate());
+                        }
+                        else if (args[0].equals("-ltl") || args[0].equals("-l")) {
+                                Expression expr = p.parseSingleLTLFormula(str);
+                                expr = (Expression) expr.accept(new ASTTraverseModify() {
+                                        public Object visit(ExpressionIdent e) throws PrismLangException
+                                        {
+                                                return new parser.ast.ExpressionVar(e.getName(), TypeBool.getInstance());
+                                        }
+                                });
+                                System.out.println("LTL formula: " + expr.toString());
+                                System.out.print("Tree:\u005cn=====\u005cn" + expr.toTreeString());
+                                expr.typeCheck();
+                                expr.semanticCheck();
+                                System.out.println("Type: " + expr.getType().getTypeString());
+                                boolean pnf = Expression.isPositiveNormalFormLTL(expr);
+                                System.out.println("Positive normal form: " + pnf);
+                                if (!pnf) {
+                                        System.out.println("Positive normal form conversion: " + BooleanUtils.convertLTLToPositiveNormalForm(expr.deepCopy()));
+                                }
                         } else {
                                 System.out.println("Unknown switch"); System.exit(1);
                         }
@@ -160,6 +182,24 @@ public class PrismParser implements PrismParserConstants {
                 return expr;
         }
 
+        // Parse a single LTL formula
+
+        public Expression parseSingleLTLFormula(InputStream str) throws PrismLangException
+        {
+                Expression expr = null;
+
+                // (Re)start parser
+                ReInit(str);
+                // Parse
+                try {
+                        expr = SingleLTLFormula();
+                }
+                catch (ParseException e) {
+                        throw generateSyntaxError(e);
+                }
+                return expr;
+        }
+
         // Parse a for loop
 
         public ForLoop parseForLoop(InputStream str) throws PrismLangException
@@ -668,6 +708,15 @@ public class PrismParser implements PrismParserConstants {
     throw new Error("Missing return statement in function");
   }
 
+// A single LTL formula
+  static final public Expression SingleLTLFormula() throws ParseException {
+        Expression ret;
+    ret = Expression(true, true);
+    jj_consume_token(0);
+                                                 {if (true) return ret;}
+    throw new Error("Missing return statement in function");
+  }
+
 //-----------------------------------------------------------------------------------
 // Modules file stuff (a few bits of which are reused for property files)
 //-----------------------------------------------------------------------------------
@@ -3428,1629 +3477,1629 @@ public class PrismParser implements PrismParserConstants {
     finally { jj_save(17, xla); }
   }
 
-  static private boolean jj_3R_168() {
-    if (jj_3R_47()) return true;
+  static private boolean jj_3R_165() {
+    if (jj_scan_token(P)) return true;
+    Token xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_190()) jj_scanpos = xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_191()) {
+    jj_scanpos = xsp;
+    if (jj_3R_192()) {
+    jj_scanpos = xsp;
+    if (jj_3R_193()) {
+    jj_scanpos = xsp;
+    if (jj_3R_194()) return true;
+    }
+    }
+    }
     return false;
   }
 
-  static private boolean jj_3R_67() {
-    if (jj_scan_token(MAX)) return true;
+  static private boolean jj_3R_62() {
+    if (jj_scan_token(U)) return true;
     return false;
   }
 
-  static private boolean jj_3R_66() {
-    if (jj_scan_token(MIN)) return true;
+  static private boolean jj_3R_147() {
+    Token xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_165()) {
+    jj_scanpos = xsp;
+    if (jj_3R_166()) {
+    jj_scanpos = xsp;
+    if (jj_3R_167()) return true;
+    }
+    }
+    if (jj_scan_token(LBRACKET)) return true;
+    if (jj_3R_38()) return true;
+    xsp = jj_scanpos;
+    if (jj_3R_168()) jj_scanpos = xsp;
+    if (jj_scan_token(RBRACKET)) return true;
     return false;
   }
 
-  static private boolean jj_3R_75() {
-    if (jj_3R_82()) return true;
+  static private boolean jj_3R_56() {
     Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_83()) jj_scanpos = xsp;
+    if (jj_3R_62()) {
+    jj_scanpos = xsp;
+    if (jj_3R_63()) {
+    jj_scanpos = xsp;
+    if (jj_3R_64()) return true;
+    }
+    }
+    xsp = jj_scanpos;
+    if (jj_3R_65()) jj_scanpos = xsp;
+    if (jj_3R_55()) return true;
     return false;
   }
 
-  static private boolean jj_3R_100() {
-    if (jj_3R_32()) return true;
+  static private boolean jj_3R_189() {
+    if (jj_scan_token(COMMA)) return true;
+    if (jj_3R_38()) return true;
     return false;
   }
 
-  static private boolean jj_3R_98() {
-    if (jj_3R_32()) return true;
+  static private boolean jj_3R_164() {
+    if (jj_3R_29()) return true;
     return false;
   }
 
-  static private boolean jj_3R_96() {
-    if (jj_3R_32()) return true;
+  static private boolean jj_3R_46() {
+    if (jj_3R_55()) return true;
+    Token xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_56()) jj_scanpos = xsp;
     return false;
   }
 
-  static private boolean jj_3R_94() {
-    if (jj_3R_32()) return true;
+  static private boolean jj_3R_48() {
+    if (jj_scan_token(REG_IDENTPRIME)) return true;
     return false;
   }
 
-  static private boolean jj_3R_57() {
-    if (jj_scan_token(LBRACE)) return true;
-    Token xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_66()) {
-    jj_scanpos = xsp;
-    if (jj_3R_67()) return true;
-    }
-    if (jj_scan_token(RBRACE)) return true;
+  static private boolean jj_3R_186() {
+    if (jj_scan_token(OR)) return true;
     return false;
   }
 
-  static private boolean jj_3R_89() {
-    if (jj_scan_token(EQ)) return true;
-    if (jj_3R_38()) return true;
+  static private boolean jj_3R_90() {
+    if (jj_scan_token(COMMA)) return true;
+    if (jj_3R_29()) return true;
     return false;
   }
 
-  static private boolean jj_3R_88() {
-    if (jj_scan_token(LBRACKET)) return true;
-    if (jj_3R_38()) return true;
-    if (jj_scan_token(COMMA)) return true;
+  static private boolean jj_3R_146() {
+    if (jj_scan_token(LPARENTH)) return true;
     if (jj_3R_38()) return true;
-    if (jj_scan_token(RBRACKET)) return true;
+    if (jj_scan_token(RPARENTH)) return true;
     return false;
   }
 
-  static private boolean jj_3R_47() {
-    if (jj_scan_token(LBRACE)) return true;
-    if (jj_3R_38()) return true;
-    if (jj_scan_token(RBRACE)) return true;
-    Token xsp;
-    while (true) {
-      xsp = jj_scanpos;
-      if (jj_3R_57()) { jj_scanpos = xsp; break; }
-    }
+  static private boolean jj_3R_163() {
+    if (jj_scan_token(MAX)) return true;
     return false;
   }
 
-  static private boolean jj_3R_87() {
-    if (jj_scan_token(GT)) return true;
-    Token xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_100()) {
-    jj_scanpos = xsp;
-    if (jj_3R_101()) return true;
-    }
+  static private boolean jj_3R_32() {
+    if (jj_3R_29()) return true;
     return false;
   }
 
-  static private boolean jj_3R_86() {
-    if (jj_scan_token(GE)) return true;
-    Token xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_98()) {
-    jj_scanpos = xsp;
-    if (jj_3R_99()) return true;
-    }
+  static private boolean jj_3R_157() {
+    if (jj_scan_token(FALSE)) return true;
     return false;
   }
 
-  static private boolean jj_3R_85() {
-    if (jj_scan_token(LT)) return true;
-    Token xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_96()) {
-    jj_scanpos = xsp;
-    if (jj_3R_97()) return true;
-    }
+  static private boolean jj_3R_156() {
+    if (jj_scan_token(TRUE)) return true;
     return false;
   }
 
-  static private boolean jj_3R_84() {
-    if (jj_scan_token(LE)) return true;
-    Token xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_94()) {
-    jj_scanpos = xsp;
-    if (jj_3R_95()) return true;
-    }
+  static private boolean jj_3R_185() {
+    if (jj_scan_token(AND)) return true;
     return false;
   }
 
-  static private boolean jj_3R_76() {
-    Token xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_84()) {
-    jj_scanpos = xsp;
-    if (jj_3R_85()) {
-    jj_scanpos = xsp;
-    if (jj_3R_86()) {
-    jj_scanpos = xsp;
-    if (jj_3R_87()) {
-    jj_scanpos = xsp;
-    if (jj_3R_88()) {
-    jj_scanpos = xsp;
-    if (jj_3R_89()) return true;
-    }
-    }
-    }
-    }
-    }
+  static private boolean jj_3R_183() {
+    if (jj_scan_token(MAX)) return true;
     return false;
   }
 
-  static private boolean jj_3R_61() {
-    if (jj_3R_75()) return true;
+  static private boolean jj_3R_38() {
+    if (jj_3R_46()) return true;
     return false;
   }
 
-  static private boolean jj_3R_74() {
-    if (jj_3R_76()) return true;
+  static private boolean jj_3_4() {
+    if (jj_scan_token(LABEL)) return true;
     return false;
   }
 
-  static private boolean jj_3R_73() {
-    if (jj_scan_token(G)) return true;
+  static private boolean jj_3R_29() {
+    if (jj_scan_token(REG_IDENT)) return true;
     return false;
   }
 
-  static private boolean jj_3R_72() {
-    if (jj_scan_token(F)) return true;
+  static private boolean jj_3R_155() {
+    if (jj_scan_token(REG_DOUBLE)) return true;
     return false;
   }
 
-  static private boolean jj_3R_71() {
-    if (jj_scan_token(X)) return true;
+  static private boolean jj_3_3() {
+    if (jj_scan_token(LABEL)) return true;
+    if (jj_scan_token(DQUOTE)) return true;
     return false;
   }
 
-  static private boolean jj_3R_60() {
-    Token xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_71()) {
-    jj_scanpos = xsp;
-    if (jj_3R_72()) {
-    jj_scanpos = xsp;
-    if (jj_3R_73()) return true;
-    }
-    }
-    xsp = jj_scanpos;
-    if (jj_3R_74()) jj_scanpos = xsp;
-    if (jj_3R_55()) return true;
+  static private boolean jj_3R_181() {
+    if (jj_scan_token(INIT)) return true;
     return false;
   }
 
-  static private boolean jj_3R_191() {
-    if (jj_3R_45()) return true;
+  static private boolean jj_3R_162() {
+    if (jj_scan_token(MIN)) return true;
+    return false;
+  }
+
+  static private boolean jj_3R_188() {
+    if (jj_scan_token(COMMA)) return true;
     if (jj_3R_38()) return true;
     return false;
   }
 
-  static private boolean jj_3R_190() {
+  static private boolean jj_3R_79() {
     if (jj_scan_token(LPARENTH)) return true;
-    if (jj_3R_32()) return true;
+    if (jj_3R_31()) return true;
     if (jj_scan_token(RPARENTH)) return true;
     return false;
   }
 
-  static private boolean jj_3R_54() {
-    if (jj_scan_token(LE)) return true;
+  static private boolean jj_3R_154() {
+    if (jj_scan_token(REG_INT)) return true;
     return false;
   }
 
-  static private boolean jj_3R_53() {
-    if (jj_scan_token(GE)) return true;
+  static private boolean jj_3R_78() {
+    if (jj_scan_token(DQUOTE)) return true;
+    if (jj_3R_29()) return true;
+    if (jj_scan_token(DQUOTE)) return true;
     return false;
   }
 
-  static private boolean jj_3R_52() {
-    if (jj_scan_token(LT)) return true;
-    return false;
-  }
-
-  static private boolean jj_3R_51() {
-    if (jj_scan_token(GT)) return true;
+  static private boolean jj_3R_187() {
+    if (jj_3R_29()) return true;
     return false;
   }
 
-  static private boolean jj_3R_45() {
+  static private boolean jj_3R_142() {
     Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_51()) {
+    if (jj_3R_154()) {
     jj_scanpos = xsp;
-    if (jj_3R_52()) {
+    if (jj_3R_155()) {
     jj_scanpos = xsp;
-    if (jj_3R_53()) {
+    if (jj_3R_156()) {
     jj_scanpos = xsp;
-    if (jj_3R_54()) return true;
+    if (jj_3R_157()) return true;
     }
     }
     }
     return false;
   }
 
-  static private boolean jj_3R_194() {
-    if (jj_scan_token(MAX)) return true;
-    if (jj_scan_token(EQ)) return true;
-    if (jj_scan_token(QMARK)) return true;
+  static private boolean jj_3R_184() {
+    if (jj_scan_token(PLUS)) return true;
     return false;
   }
 
-  static private boolean jj_3R_193() {
+  static private boolean jj_3R_182() {
     if (jj_scan_token(MIN)) return true;
-    if (jj_scan_token(EQ)) return true;
-    if (jj_scan_token(QMARK)) return true;
     return false;
   }
 
-  static private boolean jj_3R_192() {
-    if (jj_scan_token(EQ)) return true;
-    if (jj_scan_token(QMARK)) return true;
+  static private boolean jj_3R_77() {
+    if (jj_3R_29()) return true;
     return false;
   }
 
-  static private boolean jj_3R_167() {
-    if (jj_scan_token(PMAX)) return true;
-    if (jj_scan_token(EQ)) return true;
-    if (jj_scan_token(QMARK)) return true;
+  static private boolean jj_3R_70() {
+    if (jj_scan_token(COMMA)) return true;
+    if (jj_3R_29()) return true;
     return false;
   }
 
-  static private boolean jj_3R_55() {
+  static private boolean jj_3R_160() {
+    if (jj_scan_token(MAX)) return true;
+    return false;
+  }
+
+  static private boolean jj_3R_180() {
+    if (jj_3R_29()) return true;
+    return false;
+  }
+
+  static private boolean jj_3R_68() {
     Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_60()) {
+    if (jj_3R_77()) {
     jj_scanpos = xsp;
-    if (jj_3R_61()) return true;
+    if (jj_3R_78()) {
+    jj_scanpos = xsp;
+    if (jj_3R_79()) return true;
+    }
     }
     return false;
   }
 
-  static private boolean jj_3R_166() {
-    if (jj_scan_token(PMIN)) return true;
-    if (jj_scan_token(EQ)) return true;
-    if (jj_scan_token(QMARK)) return true;
+  static private boolean jj_3R_153() {
+    if (jj_scan_token(FILTER)) return true;
+    if (jj_scan_token(LPARENTH)) return true;
+    Token xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_182()) {
+    jj_scanpos = xsp;
+    if (jj_3R_183()) {
+    jj_scanpos = xsp;
+    if (jj_3R_184()) {
+    jj_scanpos = xsp;
+    if (jj_3R_185()) {
+    jj_scanpos = xsp;
+    if (jj_3R_186()) {
+    jj_scanpos = xsp;
+    if (jj_3R_187()) return true;
+    }
+    }
+    }
+    }
+    }
+    if (jj_scan_token(COMMA)) return true;
+    if (jj_3R_38()) return true;
+    xsp = jj_scanpos;
+    if (jj_3R_188()) jj_scanpos = xsp;
+    if (jj_scan_token(RPARENTH)) return true;
     return false;
   }
 
-  static private boolean jj_3R_65() {
-    if (jj_3R_76()) return true;
+  static private boolean jj_3R_161() {
+    if (jj_3R_38()) return true;
+    Token xsp;
+    while (true) {
+      xsp = jj_scanpos;
+      if (jj_3R_189()) { jj_scanpos = xsp; break; }
+    }
     return false;
   }
 
-  static private boolean jj_3R_119() {
-    if (jj_scan_token(NE)) return true;
+  static private boolean jj_3R_91() {
+    if (jj_scan_token(COMMA)) return true;
+    if (jj_3R_29()) return true;
+    if (jj_scan_token(RENAME)) return true;
+    if (jj_3R_29()) return true;
     return false;
   }
 
-  static private boolean jj_3R_64() {
-    if (jj_scan_token(R)) return true;
+  static private boolean jj_3_9() {
+    if (jj_scan_token(OR)) return true;
+    if (jj_scan_token(OR)) return true;
+    if (jj_scan_token(OR)) return true;
     return false;
   }
 
-  static private boolean jj_3R_115() {
+  static private boolean jj_3R_81() {
+    if (jj_scan_token(LBRACE)) return true;
+    if (jj_3R_29()) return true;
+    if (jj_scan_token(RENAME)) return true;
+    if (jj_3R_29()) return true;
     Token xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_118()) {
-    jj_scanpos = xsp;
-    if (jj_3R_119()) return true;
+    while (true) {
+      xsp = jj_scanpos;
+      if (jj_3R_91()) { jj_scanpos = xsp; break; }
     }
+    if (jj_scan_token(RBRACE)) return true;
     return false;
   }
 
-  static private boolean jj_3R_118() {
-    if (jj_scan_token(EQ)) return true;
-    return false;
-  }
-
-  static private boolean jj_3R_63() {
-    if (jj_scan_token(W)) return true;
+  static private boolean jj_3R_50() {
+    if (jj_scan_token(OR)) return true;
+    if (jj_scan_token(OR)) return true;
+    if (jj_scan_token(OR)) return true;
+    if (jj_3R_35()) return true;
     return false;
   }
 
-  static private boolean jj_3R_165() {
-    if (jj_scan_token(P)) return true;
+  static private boolean jj_3R_145() {
+    if (jj_scan_token(FUNC)) return true;
+    if (jj_scan_token(LPARENTH)) return true;
     Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_190()) jj_scanpos = xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_191()) {
-    jj_scanpos = xsp;
-    if (jj_3R_192()) {
+    if (jj_3R_162()) {
     jj_scanpos = xsp;
-    if (jj_3R_193()) {
+    if (jj_3R_163()) {
     jj_scanpos = xsp;
-    if (jj_3R_194()) return true;
-    }
+    if (jj_3R_164()) return true;
     }
     }
+    if (jj_scan_token(COMMA)) return true;
+    if (jj_3R_161()) return true;
+    if (jj_scan_token(RPARENTH)) return true;
     return false;
   }
 
-  static private boolean jj_3R_62() {
-    if (jj_scan_token(U)) return true;
+  static private boolean jj_3R_179() {
+    if (jj_3R_143()) return true;
     return false;
   }
 
-  static private boolean jj_3R_147() {
+  static private boolean jj_3R_152() {
+    if (jj_scan_token(DQUOTE)) return true;
     Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_165()) {
-    jj_scanpos = xsp;
-    if (jj_3R_166()) {
+    if (jj_3R_180()) {
     jj_scanpos = xsp;
-    if (jj_3R_167()) return true;
+    if (jj_3R_181()) return true;
     }
+    if (jj_scan_token(DQUOTE)) return true;
+    return false;
+  }
+
+  static private boolean jj_3R_80() {
+    if (jj_scan_token(DIVIDE)) return true;
+    if (jj_scan_token(LBRACE)) return true;
+    if (jj_3R_29()) return true;
+    Token xsp;
+    while (true) {
+      xsp = jj_scanpos;
+      if (jj_3R_90()) { jj_scanpos = xsp; break; }
     }
-    if (jj_scan_token(LBRACKET)) return true;
-    if (jj_3R_38()) return true;
-    xsp = jj_scanpos;
-    if (jj_3R_168()) jj_scanpos = xsp;
-    if (jj_scan_token(RBRACKET)) return true;
+    if (jj_scan_token(RBRACE)) return true;
     return false;
   }
 
-  static private boolean jj_3R_56() {
+  static private boolean jj_3R_69() {
     Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_62()) {
-    jj_scanpos = xsp;
-    if (jj_3R_63()) {
+    if (jj_3R_80()) {
     jj_scanpos = xsp;
-    if (jj_3R_64()) return true;
+    if (jj_3R_81()) return true;
     }
+    return false;
+  }
+
+  static private boolean jj_3R_177() {
+    if (jj_3R_148()) return true;
+    return false;
+  }
+
+  static private boolean jj_3R_58() {
+    if (jj_3R_68()) return true;
+    Token xsp;
+    while (true) {
+      xsp = jj_scanpos;
+      if (jj_3R_69()) { jj_scanpos = xsp; break; }
     }
-    xsp = jj_scanpos;
-    if (jj_3R_65()) jj_scanpos = xsp;
-    if (jj_3R_55()) return true;
     return false;
   }
 
-  static private boolean jj_3R_189() {
-    if (jj_scan_token(COMMA)) return true;
-    if (jj_3R_38()) return true;
+  static private boolean jj_3R_159() {
+    if (jj_scan_token(MIN)) return true;
     return false;
   }
 
-  static private boolean jj_3R_164() {
-    if (jj_3R_29()) return true;
+  static private boolean jj_3_8() {
+    if (jj_scan_token(OR)) return true;
+    if (jj_scan_token(OR)) return true;
     return false;
   }
 
-  static private boolean jj_3R_46() {
-    if (jj_3R_55()) return true;
+  static private boolean jj_3R_144() {
     Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_56()) jj_scanpos = xsp;
+    if (jj_3R_159()) {
+    jj_scanpos = xsp;
+    if (jj_3R_160()) return true;
+    }
+    if (jj_scan_token(LPARENTH)) return true;
+    if (jj_3R_161()) return true;
+    if (jj_scan_token(RPARENTH)) return true;
     return false;
   }
 
-  static private boolean jj_3R_48() {
-    if (jj_scan_token(REG_IDENTPRIME)) return true;
+  static private boolean jj_3R_217() {
+    Token xsp;
+    xsp = jj_scanpos;
+    if (jj_scan_token(86)) {
+    jj_scanpos = xsp;
+    if (jj_scan_token(89)) return true;
+    }
     return false;
   }
 
-  static private boolean jj_3R_186() {
+  static private boolean jj_3R_43() {
     if (jj_scan_token(OR)) return true;
+    if (jj_scan_token(OR)) return true;
+    if (jj_3R_49()) return true;
     return false;
   }
 
-  static private boolean jj_3R_90() {
-    if (jj_scan_token(COMMA)) return true;
-    if (jj_3R_29()) return true;
-    return false;
-  }
-
-  static private boolean jj_3R_146() {
+  static private boolean jj_3R_158() {
     if (jj_scan_token(LPARENTH)) return true;
-    if (jj_3R_38()) return true;
+    if (jj_3R_161()) return true;
     if (jj_scan_token(RPARENTH)) return true;
     return false;
   }
 
-  static private boolean jj_3R_163() {
-    if (jj_scan_token(MAX)) return true;
-    return false;
-  }
-
-  static private boolean jj_3R_32() {
-    if (jj_3R_29()) return true;
+  static private boolean jj_3_10() {
+    if (jj_scan_token(OR)) return true;
+    if (jj_scan_token(LBRACKET)) return true;
     return false;
   }
 
-  static private boolean jj_3R_157() {
-    if (jj_scan_token(FALSE)) return true;
+  static private boolean jj_3R_218() {
+    if (jj_scan_token(COMMA)) return true;
+    if (jj_3R_217()) return true;
     return false;
   }
 
-  static private boolean jj_3R_156() {
-    if (jj_scan_token(TRUE)) return true;
+  static private boolean jj_3R_214() {
+    if (jj_3R_217()) return true;
+    Token xsp;
+    while (true) {
+      xsp = jj_scanpos;
+      if (jj_3R_218()) { jj_scanpos = xsp; break; }
+    }
     return false;
   }
 
-  static private boolean jj_3R_185() {
-    if (jj_scan_token(AND)) return true;
+  static private boolean jj_3_2() {
+    if (jj_scan_token(DQUOTE)) return true;
+    if (jj_3R_29()) return true;
+    if (jj_scan_token(DQUOTE)) return true;
+    if (jj_scan_token(COLON)) return true;
     return false;
   }
 
-  static private boolean jj_3R_183() {
-    if (jj_scan_token(MAX)) return true;
+  static private boolean jj_3R_143() {
+    if (jj_3R_29()) return true;
+    Token xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_158()) jj_scanpos = xsp;
     return false;
   }
 
-  static private boolean jj_3R_38() {
-    if (jj_3R_46()) return true;
+  static private boolean jj_3R_210() {
+    Token xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_214()) jj_scanpos = xsp;
     return false;
   }
 
-  static private boolean jj_3_4() {
-    if (jj_scan_token(LABEL)) return true;
+  static private boolean jj_3R_209() {
+    if (jj_scan_token(TIMES)) return true;
     return false;
   }
 
-  static private boolean jj_3R_29() {
-    if (jj_scan_token(REG_IDENT)) return true;
+  static private boolean jj_3R_207() {
+    Token xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_209()) {
+    jj_scanpos = xsp;
+    if (jj_3R_210()) return true;
+    }
     return false;
   }
 
-  static private boolean jj_3R_155() {
-    if (jj_scan_token(REG_DOUBLE)) return true;
+  static private boolean jj_3R_59() {
+    if (jj_scan_token(OR)) return true;
+    if (jj_scan_token(LBRACKET)) return true;
+    if (jj_3R_29()) return true;
+    Token xsp;
+    while (true) {
+      xsp = jj_scanpos;
+      if (jj_3R_70()) { jj_scanpos = xsp; break; }
+    }
+    if (jj_scan_token(RBRACKET)) return true;
+    if (jj_scan_token(OR)) return true;
+    if (jj_3R_58()) return true;
     return false;
   }
 
-  static private boolean jj_3_3() {
-    if (jj_scan_token(LABEL)) return true;
-    if (jj_scan_token(DQUOTE)) return true;
+  static private boolean jj_3R_49() {
+    if (jj_3R_58()) return true;
+    Token xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_59()) jj_scanpos = xsp;
     return false;
   }
 
-  static private boolean jj_3R_181() {
-    if (jj_scan_token(INIT)) return true;
+  static private boolean jj_3R_141() {
+    if (jj_3R_153()) return true;
     return false;
   }
 
-  static private boolean jj_3R_162() {
-    if (jj_scan_token(MIN)) return true;
+  static private boolean jj_3R_140() {
+    if (jj_3R_152()) return true;
     return false;
   }
 
-  static private boolean jj_3R_188() {
-    if (jj_scan_token(COMMA)) return true;
-    if (jj_3R_38()) return true;
+  static private boolean jj_3R_139() {
+    if (jj_3R_151()) return true;
     return false;
   }
 
-  static private boolean jj_3R_79() {
-    if (jj_scan_token(LPARENTH)) return true;
-    if (jj_3R_31()) return true;
-    if (jj_scan_token(RPARENTH)) return true;
+  static private boolean jj_3R_178() {
+    if (jj_3R_146()) return true;
     return false;
   }
 
-  static private boolean jj_3R_154() {
-    if (jj_scan_token(REG_INT)) return true;
+  static private boolean jj_3R_176() {
+    if (jj_3R_147()) return true;
     return false;
   }
 
-  static private boolean jj_3R_78() {
-    if (jj_scan_token(DQUOTE)) return true;
-    if (jj_3R_29()) return true;
-    if (jj_scan_token(DQUOTE)) return true;
+  static private boolean jj_3R_138() {
+    if (jj_3R_150()) return true;
     return false;
   }
 
-  static private boolean jj_3R_187() {
-    if (jj_3R_29()) return true;
+  static private boolean jj_3R_175() {
+    if (jj_scan_token(DLBRACKET)) return true;
+    if (jj_3R_207()) return true;
+    if (jj_scan_token(DRBRACKET)) return true;
     return false;
   }
 
-  static private boolean jj_3R_142() {
-    Token xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_154()) {
-    jj_scanpos = xsp;
-    if (jj_3R_155()) {
-    jj_scanpos = xsp;
-    if (jj_3R_156()) {
-    jj_scanpos = xsp;
-    if (jj_3R_157()) return true;
-    }
-    }
-    }
+  static private boolean jj_3R_137() {
+    if (jj_3R_149()) return true;
     return false;
   }
 
-  static private boolean jj_3R_184() {
-    if (jj_scan_token(PLUS)) return true;
+  static private boolean jj_3R_127() {
+    if (jj_scan_token(DIVIDE)) return true;
     return false;
   }
 
-  static private boolean jj_3R_182() {
-    if (jj_scan_token(MIN)) return true;
+  static private boolean jj_3R_216() {
+    if (jj_3R_38()) return true;
     return false;
   }
 
-  static private boolean jj_3R_77() {
-    if (jj_3R_29()) return true;
+  static private boolean jj_3R_174() {
+    if (jj_scan_token(DLT)) return true;
+    if (jj_3R_207()) return true;
+    if (jj_scan_token(DGT)) return true;
     return false;
   }
 
-  static private boolean jj_3R_70() {
-    if (jj_scan_token(COMMA)) return true;
-    if (jj_3R_29()) return true;
+  static private boolean jj_3R_136() {
+    if (jj_3R_148()) return true;
     return false;
   }
 
-  static private boolean jj_3R_160() {
-    if (jj_scan_token(MAX)) return true;
+  static private boolean jj_3R_135() {
+    if (jj_3R_33()) return true;
     return false;
   }
 
-  static private boolean jj_3R_180() {
-    if (jj_3R_29()) return true;
+  static private boolean jj_3R_134() {
+    if (jj_3R_147()) return true;
     return false;
   }
 
-  static private boolean jj_3R_68() {
+  static private boolean jj_3R_151() {
     Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_77()) {
-    jj_scanpos = xsp;
-    if (jj_3R_78()) {
+    if (jj_3R_174()) {
     jj_scanpos = xsp;
-    if (jj_3R_79()) return true;
-    }
+    if (jj_3R_175()) return true;
     }
-    return false;
-  }
-
-  static private boolean jj_3R_153() {
-    if (jj_scan_token(FILTER)) return true;
-    if (jj_scan_token(LPARENTH)) return true;
-    Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_182()) {
-    jj_scanpos = xsp;
-    if (jj_3R_183()) {
-    jj_scanpos = xsp;
-    if (jj_3R_184()) {
+    if (jj_3R_176()) {
     jj_scanpos = xsp;
-    if (jj_3R_185()) {
+    if (jj_3R_177()) {
     jj_scanpos = xsp;
-    if (jj_3R_186()) {
+    if (jj_3R_178()) {
     jj_scanpos = xsp;
-    if (jj_3R_187()) return true;
-    }
-    }
-    }
+    if (jj_3R_179()) return true;
     }
     }
-    if (jj_scan_token(COMMA)) return true;
-    if (jj_3R_38()) return true;
-    xsp = jj_scanpos;
-    if (jj_3R_188()) jj_scanpos = xsp;
-    if (jj_scan_token(RPARENTH)) return true;
-    return false;
-  }
-
-  static private boolean jj_3R_161() {
-    if (jj_3R_38()) return true;
-    Token xsp;
-    while (true) {
-      xsp = jj_scanpos;
-      if (jj_3R_189()) { jj_scanpos = xsp; break; }
     }
     return false;
   }
 
-  static private boolean jj_3R_91() {
-    if (jj_scan_token(COMMA)) return true;
-    if (jj_3R_29()) return true;
-    if (jj_scan_token(RENAME)) return true;
-    if (jj_3R_29()) return true;
+  static private boolean jj_3R_133() {
+    if (jj_3R_146()) return true;
     return false;
   }
 
-  static private boolean jj_3_9() {
-    if (jj_scan_token(OR)) return true;
-    if (jj_scan_token(OR)) return true;
-    if (jj_scan_token(OR)) return true;
+  static private boolean jj_3R_132() {
+    if (jj_3R_145()) return true;
     return false;
   }
 
-  static private boolean jj_3R_81() {
-    if (jj_scan_token(LBRACE)) return true;
-    if (jj_3R_29()) return true;
-    if (jj_scan_token(RENAME)) return true;
-    if (jj_3R_29()) return true;
+  static private boolean jj_3R_42() {
+    if (jj_3R_49()) return true;
     Token xsp;
     while (true) {
       xsp = jj_scanpos;
-      if (jj_3R_91()) { jj_scanpos = xsp; break; }
+      if (jj_3R_50()) { jj_scanpos = xsp; break; }
     }
-    if (jj_scan_token(RBRACE)) return true;
     return false;
   }
 
-  static private boolean jj_3R_50() {
-    if (jj_scan_token(OR)) return true;
-    if (jj_scan_token(OR)) return true;
-    if (jj_scan_token(OR)) return true;
-    if (jj_3R_35()) return true;
+  static private boolean jj_3R_131() {
+    if (jj_3R_144()) return true;
     return false;
   }
 
-  static private boolean jj_3R_145() {
-    if (jj_scan_token(FUNC)) return true;
-    if (jj_scan_token(LPARENTH)) return true;
-    Token xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_162()) {
-    jj_scanpos = xsp;
-    if (jj_3R_163()) {
-    jj_scanpos = xsp;
-    if (jj_3R_164()) return true;
-    }
-    }
-    if (jj_scan_token(COMMA)) return true;
-    if (jj_3R_161()) return true;
-    if (jj_scan_token(RPARENTH)) return true;
+  static private boolean jj_3R_130() {
+    if (jj_3R_143()) return true;
     return false;
   }
 
-  static private boolean jj_3R_179() {
-    if (jj_3R_143()) return true;
+  static private boolean jj_3R_129() {
+    if (jj_3R_142()) return true;
     return false;
   }
 
-  static private boolean jj_3R_152() {
-    if (jj_scan_token(DQUOTE)) return true;
-    Token xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_180()) {
-    jj_scanpos = xsp;
-    if (jj_3R_181()) return true;
-    }
-    if (jj_scan_token(DQUOTE)) return true;
-    return false;
-  }
-
-  static private boolean jj_3R_80() {
-    if (jj_scan_token(DIVIDE)) return true;
-    if (jj_scan_token(LBRACE)) return true;
-    if (jj_3R_29()) return true;
-    Token xsp;
-    while (true) {
-      xsp = jj_scanpos;
-      if (jj_3R_90()) { jj_scanpos = xsp; break; }
-    }
-    if (jj_scan_token(RBRACE)) return true;
+  static private boolean jj_3R_212() {
+    if (jj_3R_38()) return true;
     return false;
   }
 
-  static private boolean jj_3R_69() {
-    Token xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_80()) {
-    jj_scanpos = xsp;
-    if (jj_3R_81()) return true;
-    }
+  static private boolean jj_3R_123() {
+    if (jj_scan_token(MINUS)) return true;
     return false;
   }
 
-  static private boolean jj_3R_177() {
-    if (jj_3R_148()) return true;
+  static private boolean jj_3R_150() {
+    if (jj_scan_token(A)) return true;
+    if (jj_scan_token(LBRACKET)) return true;
+    if (jj_3R_38()) return true;
+    if (jj_scan_token(RBRACKET)) return true;
     return false;
   }
 
-  static private boolean jj_3R_58() {
-    if (jj_3R_68()) return true;
+  static private boolean jj_3R_128() {
     Token xsp;
-    while (true) {
-      xsp = jj_scanpos;
-      if (jj_3R_69()) { jj_scanpos = xsp; break; }
+    xsp = jj_scanpos;
+    if (jj_3R_129()) {
+    jj_scanpos = xsp;
+    if (jj_3R_130()) {
+    jj_scanpos = xsp;
+    if (jj_3R_131()) {
+    jj_scanpos = xsp;
+    if (jj_3R_132()) {
+    jj_scanpos = xsp;
+    if (jj_3R_133()) {
+    jj_scanpos = xsp;
+    if (jj_3R_134()) {
+    jj_scanpos = xsp;
+    if (jj_3R_135()) {
+    jj_scanpos = xsp;
+    if (jj_3R_136()) {
+    jj_scanpos = xsp;
+    if (jj_3R_137()) {
+    jj_scanpos = xsp;
+    if (jj_3R_138()) {
+    jj_scanpos = xsp;
+    if (jj_3R_139()) {
+    jj_scanpos = xsp;
+    if (jj_3R_140()) {
+    jj_scanpos = xsp;
+    if (jj_3R_141()) return true;
+    }
+    }
+    }
+    }
+    }
+    }
+    }
+    }
+    }
+    }
+    }
     }
     return false;
   }
 
-  static private boolean jj_3R_159() {
-    if (jj_scan_token(MIN)) return true;
+  static private boolean jj_3R_125() {
+    if (jj_3R_128()) return true;
     return false;
   }
 
-  static private boolean jj_3_8() {
-    if (jj_scan_token(OR)) return true;
-    if (jj_scan_token(OR)) return true;
+  static private boolean jj_3R_124() {
+    if (jj_scan_token(MINUS)) return true;
+    if (jj_3R_120()) return true;
     return false;
   }
 
-  static private boolean jj_3R_144() {
+  static private boolean jj_3R_35() {
+    if (jj_3R_42()) return true;
     Token xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_159()) {
-    jj_scanpos = xsp;
-    if (jj_3R_160()) return true;
+    while (true) {
+      xsp = jj_scanpos;
+      if (jj_3R_43()) { jj_scanpos = xsp; break; }
     }
-    if (jj_scan_token(LPARENTH)) return true;
-    if (jj_3R_161()) return true;
-    if (jj_scan_token(RPARENTH)) return true;
     return false;
   }
 
-  static private boolean jj_3R_217() {
+  static private boolean jj_3R_120() {
     Token xsp;
     xsp = jj_scanpos;
-    if (jj_scan_token(86)) {
+    if (jj_3R_124()) {
     jj_scanpos = xsp;
-    if (jj_scan_token(89)) return true;
+    if (jj_3R_125()) return true;
     }
     return false;
   }
 
-  static private boolean jj_3_2() {
-    if (jj_scan_token(DQUOTE)) return true;
-    if (jj_3R_29()) return true;
-    if (jj_scan_token(DQUOTE)) return true;
-    if (jj_scan_token(COLON)) return true;
-    return false;
-  }
-
-  static private boolean jj_3R_43() {
-    if (jj_scan_token(OR)) return true;
-    if (jj_scan_token(OR)) return true;
-    if (jj_3R_49()) return true;
-    return false;
-  }
-
-  static private boolean jj_3R_158() {
-    if (jj_scan_token(LPARENTH)) return true;
-    if (jj_3R_161()) return true;
-    if (jj_scan_token(RPARENTH)) return true;
-    return false;
-  }
-
-  static private boolean jj_3_10() {
-    if (jj_scan_token(OR)) return true;
+  static private boolean jj_3R_149() {
+    if (jj_scan_token(E)) return true;
     if (jj_scan_token(LBRACKET)) return true;
+    if (jj_3R_38()) return true;
+    if (jj_scan_token(RBRACKET)) return true;
     return false;
   }
 
-  static private boolean jj_3R_218() {
-    if (jj_scan_token(COMMA)) return true;
-    if (jj_3R_217()) return true;
+  static private boolean jj_3R_126() {
+    if (jj_scan_token(TIMES)) return true;
     return false;
   }
 
-  static private boolean jj_3R_214() {
-    if (jj_3R_217()) return true;
-    Token xsp;
-    while (true) {
-      xsp = jj_scanpos;
-      if (jj_3R_218()) { jj_scanpos = xsp; break; }
-    }
+  static private boolean jj_3R_31() {
+    if (jj_3R_35()) return true;
     return false;
   }
 
-  static private boolean jj_3R_143() {
-    if (jj_3R_29()) return true;
+  static private boolean jj_3R_121() {
     Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_158()) jj_scanpos = xsp;
+    if (jj_3R_126()) {
+    jj_scanpos = xsp;
+    if (jj_3R_127()) return true;
+    }
+    if (jj_3R_120()) return true;
     return false;
   }
 
-  static private boolean jj_3R_210() {
-    Token xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_214()) jj_scanpos = xsp;
+  static private boolean jj_3_7() {
+    if (jj_scan_token(DQUOTE)) return true;
+    if (jj_3R_29()) return true;
+    if (jj_scan_token(DQUOTE)) return true;
+    if (jj_3R_31()) return true;
     return false;
   }
 
-  static private boolean jj_3R_209() {
-    if (jj_scan_token(TIMES)) return true;
+  static private boolean jj_3_18() {
+    if (jj_scan_token(C)) return true;
+    if (jj_scan_token(LE)) return true;
     return false;
   }
 
-  static private boolean jj_3R_207() {
-    Token xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_209()) {
-    jj_scanpos = xsp;
-    if (jj_3R_210()) return true;
-    }
+  static private boolean jj_3R_206() {
+    if (jj_3R_38()) return true;
     return false;
   }
 
-  static private boolean jj_3R_59() {
-    if (jj_scan_token(OR)) return true;
-    if (jj_scan_token(LBRACKET)) return true;
-    if (jj_3R_29()) return true;
+  static private boolean jj_3R_116() {
+    if (jj_3R_120()) return true;
     Token xsp;
     while (true) {
       xsp = jj_scanpos;
-      if (jj_3R_70()) { jj_scanpos = xsp; break; }
+      if (jj_3R_121()) { jj_scanpos = xsp; break; }
     }
-    if (jj_scan_token(RBRACKET)) return true;
-    if (jj_scan_token(OR)) return true;
-    if (jj_3R_58()) return true;
     return false;
   }
 
-  static private boolean jj_3R_49() {
-    if (jj_3R_58()) return true;
-    Token xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_59()) jj_scanpos = xsp;
+  static private boolean jj_3_17() {
+    if (jj_3R_33()) return true;
     return false;
   }
 
-  static private boolean jj_3R_141() {
-    if (jj_3R_153()) return true;
+  static private boolean jj_3R_205() {
+    if (jj_scan_token(I)) return true;
+    if (jj_scan_token(EQ)) return true;
+    if (jj_3R_38()) return true;
     return false;
   }
 
-  static private boolean jj_3R_140() {
-    if (jj_3R_152()) return true;
+  static private boolean jj_3_16() {
+    if (jj_scan_token(DQUOTE)) return true;
     return false;
   }
 
-  static private boolean jj_3R_139() {
-    if (jj_3R_151()) return true;
+  static private boolean jj_3R_204() {
+    if (jj_scan_token(C)) return true;
     return false;
   }
 
-  static private boolean jj_3R_178() {
-    if (jj_3R_146()) return true;
+  static private boolean jj_3R_203() {
+    if (jj_scan_token(C)) return true;
+    if (jj_scan_token(LE)) return true;
+    if (jj_3R_38()) return true;
     return false;
   }
 
-  static private boolean jj_3R_176() {
-    if (jj_3R_147()) return true;
+  static private boolean jj_3R_122() {
+    if (jj_scan_token(PLUS)) return true;
     return false;
   }
 
-  static private boolean jj_3R_138() {
-    if (jj_3R_150()) return true;
+  static private boolean jj_3R_202() {
+    if (jj_scan_token(S)) return true;
     return false;
   }
 
-  static private boolean jj_3R_175() {
-    if (jj_scan_token(DLBRACKET)) return true;
-    if (jj_3R_207()) return true;
-    if (jj_scan_token(DRBRACKET)) return true;
+  static private boolean jj_3R_173() {
+    if (jj_3R_47()) return true;
     return false;
   }
 
-  static private boolean jj_3R_137() {
-    if (jj_3R_149()) return true;
+  static private boolean jj_3_1() {
+    if (jj_scan_token(MODULE)) return true;
+    if (jj_3R_29()) return true;
+    if (jj_scan_token(EQ)) return true;
     return false;
   }
 
-  static private boolean jj_3R_127() {
-    if (jj_scan_token(DIVIDE)) return true;
+  static private boolean jj_3R_117() {
+    Token xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_122()) {
+    jj_scanpos = xsp;
+    if (jj_3R_123()) return true;
+    }
+    if (jj_3R_116()) return true;
     return false;
   }
 
-  static private boolean jj_3R_216() {
-    if (jj_3R_38()) return true;
+  static private boolean jj_3R_201() {
+    if (jj_3R_33()) return true;
     return false;
   }
 
-  static private boolean jj_3R_174() {
-    if (jj_scan_token(DLT)) return true;
-    if (jj_3R_207()) return true;
-    if (jj_scan_token(DGT)) return true;
+  static private boolean jj_3R_215() {
+    if (jj_scan_token(DQUOTE)) return true;
+    if (jj_3R_29()) return true;
+    if (jj_scan_token(DQUOTE)) return true;
     return false;
   }
 
-  static private boolean jj_3R_136() {
-    if (jj_3R_148()) return true;
+  static private boolean jj_3R_172() {
+    Token xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_201()) {
+    jj_scanpos = xsp;
+    if (jj_3R_202()) {
+    jj_scanpos = xsp;
+    if (jj_3R_203()) {
+    jj_scanpos = xsp;
+    if (jj_3R_204()) {
+    jj_scanpos = xsp;
+    if (jj_3R_205()) {
+    jj_scanpos = xsp;
+    if (jj_3R_206()) return true;
+    }
+    }
+    }
+    }
+    }
     return false;
   }
 
-  static private boolean jj_3R_135() {
-    if (jj_3R_33()) return true;
+  static private boolean jj_3_15() {
+    if (jj_scan_token(DQUOTE)) return true;
     return false;
   }
 
-  static private boolean jj_3R_134() {
-    if (jj_3R_147()) return true;
+  static private boolean jj_3R_113() {
+    if (jj_3R_116()) return true;
+    Token xsp;
+    while (true) {
+      xsp = jj_scanpos;
+      if (jj_3R_117()) { jj_scanpos = xsp; break; }
+    }
     return false;
   }
 
-  static private boolean jj_3R_151() {
+  static private boolean jj_3_6() {
+    if (jj_scan_token(DQUOTE)) return true;
+    return false;
+  }
+
+  static private boolean jj_3R_211() {
+    if (jj_scan_token(DQUOTE)) return true;
+    if (jj_3R_29()) return true;
+    if (jj_scan_token(DQUOTE)) return true;
+    return false;
+  }
+
+  static private boolean jj_3R_213() {
+    if (jj_scan_token(DIVIDE)) return true;
+    if (jj_scan_token(LBRACE)) return true;
     Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_174()) {
+    if (jj_3R_215()) {
     jj_scanpos = xsp;
-    if (jj_3R_175()) return true;
+    if (jj_3R_216()) return true;
     }
+    if (jj_scan_token(RBRACE)) return true;
+    return false;
+  }
+
+  static private boolean jj_3R_114() {
+    if (jj_3R_45()) return true;
+    if (jj_3R_113()) return true;
+    return false;
+  }
+
+  static private boolean jj_3R_208() {
+    if (jj_scan_token(LBRACE)) return true;
+    Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_176()) {
-    jj_scanpos = xsp;
-    if (jj_3R_177()) {
-    jj_scanpos = xsp;
-    if (jj_3R_178()) {
+    if (jj_3R_211()) {
     jj_scanpos = xsp;
-    if (jj_3R_179()) return true;
-    }
-    }
+    if (jj_3R_212()) return true;
     }
+    if (jj_scan_token(RBRACE)) return true;
+    xsp = jj_scanpos;
+    if (jj_3R_213()) jj_scanpos = xsp;
     return false;
   }
 
-  static private boolean jj_3R_133() {
-    if (jj_3R_146()) return true;
+  static private boolean jj_3R_111() {
+    if (jj_3R_113()) return true;
+    Token xsp;
+    while (true) {
+      xsp = jj_scanpos;
+      if (jj_3R_114()) { jj_scanpos = xsp; break; }
+    }
     return false;
   }
 
-  static private boolean jj_3R_132() {
-    if (jj_3R_145()) return true;
+  static private boolean jj_3R_112() {
+    if (jj_3R_115()) return true;
+    if (jj_3R_111()) return true;
     return false;
   }
 
-  static private boolean jj_3R_42() {
-    if (jj_3R_49()) return true;
+  static private boolean jj_3R_110() {
+    if (jj_3R_111()) return true;
     Token xsp;
     while (true) {
       xsp = jj_scanpos;
-      if (jj_3R_50()) { jj_scanpos = xsp; break; }
+      if (jj_3R_112()) { jj_scanpos = xsp; break; }
     }
     return false;
   }
 
-  static private boolean jj_3R_131() {
-    if (jj_3R_144()) return true;
+  static private boolean jj_3R_109() {
+    if (jj_3R_110()) return true;
     return false;
   }
 
-  static private boolean jj_3R_130() {
-    if (jj_3R_143()) return true;
+  static private boolean jj_3R_108() {
+    if (jj_scan_token(NOT)) return true;
+    if (jj_3R_106()) return true;
     return false;
   }
 
-  static private boolean jj_3R_129() {
-    if (jj_3R_142()) return true;
+  static private boolean jj_3R_101() {
+    if (jj_3R_38()) return true;
     return false;
   }
 
-  static private boolean jj_3R_212() {
+  static private boolean jj_3R_99() {
     if (jj_3R_38()) return true;
     return false;
   }
 
-  static private boolean jj_3R_123() {
-    if (jj_scan_token(MINUS)) return true;
+  static private boolean jj_3R_97() {
+    if (jj_3R_38()) return true;
     return false;
   }
 
-  static private boolean jj_3R_150() {
-    if (jj_scan_token(A)) return true;
-    if (jj_scan_token(LBRACKET)) return true;
+  static private boolean jj_3R_95() {
     if (jj_3R_38()) return true;
-    if (jj_scan_token(RBRACKET)) return true;
     return false;
   }
 
-  static private boolean jj_3R_128() {
-    Token xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_129()) {
-    jj_scanpos = xsp;
-    if (jj_3R_130()) {
-    jj_scanpos = xsp;
-    if (jj_3R_131()) {
-    jj_scanpos = xsp;
-    if (jj_3R_132()) {
-    jj_scanpos = xsp;
-    if (jj_3R_133()) {
-    jj_scanpos = xsp;
-    if (jj_3R_134()) {
-    jj_scanpos = xsp;
-    if (jj_3R_135()) {
-    jj_scanpos = xsp;
-    if (jj_3R_136()) {
-    jj_scanpos = xsp;
-    if (jj_3R_137()) {
-    jj_scanpos = xsp;
-    if (jj_3R_138()) {
-    jj_scanpos = xsp;
-    if (jj_3R_139()) {
-    jj_scanpos = xsp;
-    if (jj_3R_140()) {
-    jj_scanpos = xsp;
-    if (jj_3R_141()) return true;
-    }
-    }
-    }
-    }
-    }
-    }
-    }
-    }
-    }
-    }
-    }
-    }
+  static private boolean jj_3R_197() {
+    if (jj_3R_45()) return true;
+    if (jj_3R_38()) return true;
     return false;
   }
 
-  static private boolean jj_3R_125() {
-    if (jj_3R_128()) return true;
+  static private boolean jj_3R_196() {
+    if (jj_3R_208()) return true;
     return false;
   }
 
-  static private boolean jj_3R_124() {
-    if (jj_scan_token(MINUS)) return true;
-    if (jj_3R_120()) return true;
+  static private boolean jj_3R_195() {
+    if (jj_scan_token(LPARENTH)) return true;
+    if (jj_3R_32()) return true;
+    if (jj_scan_token(RPARENTH)) return true;
     return false;
   }
 
-  static private boolean jj_3R_35() {
-    if (jj_3R_42()) return true;
-    Token xsp;
-    while (true) {
-      xsp = jj_scanpos;
-      if (jj_3R_43()) { jj_scanpos = xsp; break; }
-    }
+  static private boolean jj_3R_41() {
+    if (jj_scan_token(AND)) return true;
+    if (jj_3R_40()) return true;
     return false;
   }
 
-  static private boolean jj_3R_120() {
-    Token xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_124()) {
-    jj_scanpos = xsp;
-    if (jj_3R_125()) return true;
-    }
+  static private boolean jj_3R_200() {
+    if (jj_scan_token(MAX)) return true;
+    if (jj_scan_token(EQ)) return true;
+    if (jj_scan_token(QMARK)) return true;
     return false;
   }
 
-  static private boolean jj_3R_149() {
-    if (jj_scan_token(E)) return true;
-    if (jj_scan_token(LBRACKET)) return true;
-    if (jj_3R_38()) return true;
-    if (jj_scan_token(RBRACKET)) return true;
+  static private boolean jj_3R_171() {
+    if (jj_scan_token(RMAX)) return true;
+    if (jj_scan_token(EQ)) return true;
+    if (jj_scan_token(QMARK)) return true;
     return false;
   }
 
-  static private boolean jj_3R_126() {
-    if (jj_scan_token(TIMES)) return true;
+  static private boolean jj_3R_199() {
+    if (jj_scan_token(MIN)) return true;
+    if (jj_scan_token(EQ)) return true;
+    if (jj_scan_token(QMARK)) return true;
     return false;
   }
 
-  static private boolean jj_3R_31() {
-    if (jj_3R_35()) return true;
+  static private boolean jj_3R_170() {
+    if (jj_scan_token(RMIN)) return true;
+    if (jj_scan_token(EQ)) return true;
+    if (jj_scan_token(QMARK)) return true;
     return false;
   }
 
-  static private boolean jj_3R_121() {
+  static private boolean jj_3R_106() {
     Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_126()) {
+    if (jj_3R_108()) {
     jj_scanpos = xsp;
-    if (jj_3R_127()) return true;
+    if (jj_3R_109()) return true;
     }
-    if (jj_3R_120()) return true;
-    return false;
-  }
-
-  static private boolean jj_3_7() {
-    if (jj_scan_token(DQUOTE)) return true;
-    if (jj_3R_29()) return true;
-    if (jj_scan_token(DQUOTE)) return true;
-    if (jj_3R_31()) return true;
     return false;
   }
 
-  static private boolean jj_3_18() {
-    if (jj_scan_token(C)) return true;
-    if (jj_scan_token(LE)) return true;
-    return false;
-  }
-
-  static private boolean jj_3_1() {
-    if (jj_scan_token(MODULE)) return true;
-    if (jj_3R_29()) return true;
+  static private boolean jj_3R_198() {
     if (jj_scan_token(EQ)) return true;
+    if (jj_scan_token(QMARK)) return true;
     return false;
   }
 
-  static private boolean jj_3R_206() {
-    if (jj_3R_38()) return true;
+  static private boolean jj_3R_39() {
+    if (jj_3R_47()) return true;
     return false;
   }
 
-  static private boolean jj_3R_116() {
-    if (jj_3R_120()) return true;
+  static private boolean jj_3R_169() {
+    if (jj_scan_token(R)) return true;
     Token xsp;
-    while (true) {
-      xsp = jj_scanpos;
-      if (jj_3R_121()) { jj_scanpos = xsp; break; }
+    xsp = jj_scanpos;
+    if (jj_3R_195()) jj_scanpos = xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_196()) jj_scanpos = xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_197()) {
+    jj_scanpos = xsp;
+    if (jj_3R_198()) {
+    jj_scanpos = xsp;
+    if (jj_3R_199()) {
+    jj_scanpos = xsp;
+    if (jj_3R_200()) return true;
+    }
+    }
     }
     return false;
   }
 
-  static private boolean jj_3_17() {
-    if (jj_3R_33()) return true;
-    return false;
-  }
-
-  static private boolean jj_3R_205() {
-    if (jj_scan_token(I)) return true;
-    if (jj_scan_token(EQ)) return true;
-    if (jj_3R_38()) return true;
-    return false;
-  }
-
-  static private boolean jj_3_16() {
-    if (jj_scan_token(DQUOTE)) return true;
+  static private boolean jj_3R_107() {
+    if (jj_scan_token(AND)) return true;
+    if (jj_3R_106()) return true;
     return false;
   }
 
-  static private boolean jj_3R_204() {
-    if (jj_scan_token(C)) return true;
+  static private boolean jj_3R_148() {
+    Token xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_169()) {
+    jj_scanpos = xsp;
+    if (jj_3R_170()) {
+    jj_scanpos = xsp;
+    if (jj_3R_171()) return true;
+    }
+    }
+    if (jj_scan_token(LBRACKET)) return true;
+    if (jj_3R_172()) return true;
+    xsp = jj_scanpos;
+    if (jj_3R_173()) jj_scanpos = xsp;
+    if (jj_scan_token(RBRACKET)) return true;
     return false;
   }
 
-  static private boolean jj_3R_203() {
-    if (jj_scan_token(C)) return true;
-    if (jj_scan_token(LE)) return true;
+  static private boolean jj_3R_40() {
+    if (jj_scan_token(LPARENTH)) return true;
+    if (jj_3R_48()) return true;
+    if (jj_scan_token(EQ)) return true;
     if (jj_3R_38()) return true;
+    if (jj_scan_token(RPARENTH)) return true;
     return false;
   }
 
-  static private boolean jj_3R_122() {
-    if (jj_scan_token(PLUS)) return true;
-    return false;
-  }
-
-  static private boolean jj_3R_202() {
-    if (jj_scan_token(S)) return true;
+  static private boolean jj_3R_104() {
+    if (jj_3R_106()) return true;
+    Token xsp;
+    while (true) {
+      xsp = jj_scanpos;
+      if (jj_3R_107()) { jj_scanpos = xsp; break; }
+    }
     return false;
   }
 
-  static private boolean jj_3R_173() {
-    if (jj_3R_47()) return true;
+  static private boolean jj_3R_105() {
+    if (jj_scan_token(OR)) return true;
+    if (jj_3R_104()) return true;
     return false;
   }
 
-  static private boolean jj_3R_117() {
+  static private boolean jj_3R_34() {
+    if (jj_3R_40()) return true;
     Token xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_122()) {
-    jj_scanpos = xsp;
-    if (jj_3R_123()) return true;
+    while (true) {
+      xsp = jj_scanpos;
+      if (jj_3R_41()) { jj_scanpos = xsp; break; }
     }
-    if (jj_3R_116()) return true;
     return false;
   }
 
-  static private boolean jj_3R_201() {
-    if (jj_3R_33()) return true;
+  static private boolean jj_3_5() {
+    if (jj_3R_30()) return true;
     return false;
   }
 
-  static private boolean jj_3R_215() {
-    if (jj_scan_token(DQUOTE)) return true;
-    if (jj_3R_29()) return true;
-    if (jj_scan_token(DQUOTE)) return true;
+  static private boolean jj_3R_102() {
+    if (jj_3R_104()) return true;
+    Token xsp;
+    while (true) {
+      xsp = jj_scanpos;
+      if (jj_3R_105()) { jj_scanpos = xsp; break; }
+    }
     return false;
   }
 
-  static private boolean jj_3R_172() {
+  static private boolean jj_3R_30() {
     Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_201()) {
-    jj_scanpos = xsp;
-    if (jj_3R_202()) {
-    jj_scanpos = xsp;
-    if (jj_3R_203()) {
-    jj_scanpos = xsp;
-    if (jj_3R_204()) {
-    jj_scanpos = xsp;
-    if (jj_3R_205()) {
+    if (jj_3R_34()) {
     jj_scanpos = xsp;
-    if (jj_3R_206()) return true;
-    }
-    }
-    }
-    }
+    if (jj_scan_token(49)) return true;
     }
     return false;
   }
 
-  static private boolean jj_3_15() {
-    if (jj_scan_token(DQUOTE)) return true;
+  static private boolean jj_3R_103() {
+    if (jj_scan_token(IFF)) return true;
+    if (jj_3R_102()) return true;
     return false;
   }
 
-  static private boolean jj_3R_113() {
-    if (jj_3R_116()) return true;
+  static private boolean jj_3R_92() {
+    if (jj_3R_102()) return true;
     Token xsp;
     while (true) {
       xsp = jj_scanpos;
-      if (jj_3R_117()) { jj_scanpos = xsp; break; }
+      if (jj_3R_103()) { jj_scanpos = xsp; break; }
     }
     return false;
   }
 
-  static private boolean jj_3_6() {
-    if (jj_scan_token(DQUOTE)) return true;
+  static private boolean jj_3R_37() {
+    if (jj_scan_token(EQ)) return true;
+    if (jj_scan_token(QMARK)) return true;
     return false;
   }
 
-  static private boolean jj_3R_211() {
-    if (jj_scan_token(DQUOTE)) return true;
-    if (jj_3R_29()) return true;
-    if (jj_scan_token(DQUOTE)) return true;
+  static private boolean jj_3R_44() {
+    if (jj_scan_token(LPARENTH)) return true;
+    if (jj_3R_32()) return true;
+    if (jj_scan_token(RPARENTH)) return true;
     return false;
   }
 
-  static private boolean jj_3R_213() {
-    if (jj_scan_token(DIVIDE)) return true;
-    if (jj_scan_token(LBRACE)) return true;
+  static private boolean jj_3R_36() {
     Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_215()) {
-    jj_scanpos = xsp;
-    if (jj_3R_216()) return true;
-    }
-    if (jj_scan_token(RBRACE)) return true;
+    if (jj_3R_44()) jj_scanpos = xsp;
+    if (jj_3R_45()) return true;
+    if (jj_3R_38()) return true;
     return false;
   }
 
-  static private boolean jj_3R_114() {
-    if (jj_3R_45()) return true;
-    if (jj_3R_113()) return true;
+  static private boolean jj_3R_93() {
+    if (jj_scan_token(IMPLIES)) return true;
+    if (jj_3R_92()) return true;
     return false;
   }
 
-  static private boolean jj_3R_208() {
-    if (jj_scan_token(LBRACE)) return true;
+  static private boolean jj_3R_82() {
+    if (jj_3R_92()) return true;
+    Token xsp;
+    while (true) {
+      xsp = jj_scanpos;
+      if (jj_3R_93()) { jj_scanpos = xsp; break; }
+    }
+    return false;
+  }
+
+  static private boolean jj_3R_33() {
+    if (jj_scan_token(S)) return true;
     Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_211()) {
+    if (jj_3R_36()) {
     jj_scanpos = xsp;
-    if (jj_3R_212()) return true;
+    if (jj_3R_37()) return true;
     }
-    if (jj_scan_token(RBRACE)) return true;
+    if (jj_scan_token(LBRACKET)) return true;
+    if (jj_3R_38()) return true;
     xsp = jj_scanpos;
-    if (jj_3R_213()) jj_scanpos = xsp;
+    if (jj_3R_39()) jj_scanpos = xsp;
+    if (jj_scan_token(RBRACKET)) return true;
     return false;
   }
 
-  static private boolean jj_3R_111() {
-    if (jj_3R_113()) return true;
-    Token xsp;
-    while (true) {
-      xsp = jj_scanpos;
-      if (jj_3R_114()) { jj_scanpos = xsp; break; }
-    }
+  static private boolean jj_3R_83() {
+    if (jj_scan_token(QMARK)) return true;
+    if (jj_3R_82()) return true;
+    if (jj_scan_token(COLON)) return true;
+    if (jj_3R_75()) return true;
     return false;
   }
 
-  static private boolean jj_3R_112() {
-    if (jj_3R_115()) return true;
-    if (jj_3R_111()) return true;
+  static private boolean jj_3_14() {
+    if (jj_3R_32()) return true;
+    if (jj_scan_token(LPARENTH)) return true;
     return false;
   }
 
-  static private boolean jj_3R_110() {
-    if (jj_3R_111()) return true;
-    Token xsp;
-    while (true) {
-      xsp = jj_scanpos;
-      if (jj_3R_112()) { jj_scanpos = xsp; break; }
-    }
+  static private boolean jj_3_13() {
+    if (jj_3R_32()) return true;
+    if (jj_scan_token(LPARENTH)) return true;
     return false;
   }
 
-  static private boolean jj_3R_109() {
-    if (jj_3R_110()) return true;
+  static private boolean jj_3_12() {
+    if (jj_3R_32()) return true;
+    if (jj_scan_token(LPARENTH)) return true;
     return false;
   }
 
-  static private boolean jj_3R_108() {
-    if (jj_scan_token(NOT)) return true;
-    if (jj_3R_106()) return true;
+  static private boolean jj_3_11() {
+    if (jj_3R_32()) return true;
+    if (jj_scan_token(LPARENTH)) return true;
     return false;
   }
 
-  static private boolean jj_3R_101() {
-    if (jj_3R_38()) return true;
+  static private boolean jj_3R_168() {
+    if (jj_3R_47()) return true;
     return false;
   }
 
-  static private boolean jj_3R_99() {
-    if (jj_3R_38()) return true;
+  static private boolean jj_3R_67() {
+    if (jj_scan_token(MAX)) return true;
     return false;
   }
 
-  static private boolean jj_3R_97() {
-    if (jj_3R_38()) return true;
+  static private boolean jj_3R_66() {
+    if (jj_scan_token(MIN)) return true;
     return false;
   }
 
-  static private boolean jj_3R_95() {
-    if (jj_3R_38()) return true;
+  static private boolean jj_3R_75() {
+    if (jj_3R_82()) return true;
+    Token xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_83()) jj_scanpos = xsp;
     return false;
   }
 
-  static private boolean jj_3R_197() {
-    if (jj_3R_45()) return true;
-    if (jj_3R_38()) return true;
+  static private boolean jj_3R_100() {
+    if (jj_3R_32()) return true;
     return false;
   }
 
-  static private boolean jj_3R_196() {
-    if (jj_3R_208()) return true;
+  static private boolean jj_3R_98() {
+    if (jj_3R_32()) return true;
     return false;
   }
 
-  static private boolean jj_3R_195() {
-    if (jj_scan_token(LPARENTH)) return true;
+  static private boolean jj_3R_96() {
     if (jj_3R_32()) return true;
-    if (jj_scan_token(RPARENTH)) return true;
     return false;
   }
 
-  static private boolean jj_3R_41() {
-    if (jj_scan_token(AND)) return true;
-    if (jj_3R_40()) return true;
+  static private boolean jj_3R_94() {
+    if (jj_3R_32()) return true;
     return false;
   }
 
-  static private boolean jj_3R_200() {
-    if (jj_scan_token(MAX)) return true;
-    if (jj_scan_token(EQ)) return true;
-    if (jj_scan_token(QMARK)) return true;
+  static private boolean jj_3R_57() {
+    if (jj_scan_token(LBRACE)) return true;
+    Token xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_66()) {
+    jj_scanpos = xsp;
+    if (jj_3R_67()) return true;
+    }
+    if (jj_scan_token(RBRACE)) return true;
     return false;
   }
 
-  static private boolean jj_3R_171() {
-    if (jj_scan_token(RMAX)) return true;
+  static private boolean jj_3R_89() {
     if (jj_scan_token(EQ)) return true;
-    if (jj_scan_token(QMARK)) return true;
+    if (jj_3R_38()) return true;
     return false;
   }
 
-  static private boolean jj_3R_199() {
-    if (jj_scan_token(MIN)) return true;
-    if (jj_scan_token(EQ)) return true;
-    if (jj_scan_token(QMARK)) return true;
+  static private boolean jj_3R_88() {
+    if (jj_scan_token(LBRACKET)) return true;
+    if (jj_3R_38()) return true;
+    if (jj_scan_token(COMMA)) return true;
+    if (jj_3R_38()) return true;
+    if (jj_scan_token(RBRACKET)) return true;
     return false;
   }
 
-  static private boolean jj_3R_170() {
-    if (jj_scan_token(RMIN)) return true;
-    if (jj_scan_token(EQ)) return true;
-    if (jj_scan_token(QMARK)) return true;
+  static private boolean jj_3R_47() {
+    if (jj_scan_token(LBRACE)) return true;
+    if (jj_3R_38()) return true;
+    if (jj_scan_token(RBRACE)) return true;
+    Token xsp;
+    while (true) {
+      xsp = jj_scanpos;
+      if (jj_3R_57()) { jj_scanpos = xsp; break; }
+    }
     return false;
   }
 
-  static private boolean jj_3R_106() {
+  static private boolean jj_3R_87() {
+    if (jj_scan_token(GT)) return true;
     Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_108()) {
+    if (jj_3R_100()) {
     jj_scanpos = xsp;
-    if (jj_3R_109()) return true;
+    if (jj_3R_101()) return true;
     }
     return false;
   }
 
-  static private boolean jj_3R_198() {
-    if (jj_scan_token(EQ)) return true;
-    if (jj_scan_token(QMARK)) return true;
+  static private boolean jj_3R_86() {
+    if (jj_scan_token(GE)) return true;
+    Token xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_98()) {
+    jj_scanpos = xsp;
+    if (jj_3R_99()) return true;
+    }
     return false;
   }
 
-  static private boolean jj_3R_39() {
-    if (jj_3R_47()) return true;
+  static private boolean jj_3R_85() {
+    if (jj_scan_token(LT)) return true;
+    Token xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_96()) {
+    jj_scanpos = xsp;
+    if (jj_3R_97()) return true;
+    }
     return false;
   }
 
-  static private boolean jj_3R_169() {
-    if (jj_scan_token(R)) return true;
+  static private boolean jj_3R_84() {
+    if (jj_scan_token(LE)) return true;
     Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_195()) jj_scanpos = xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_196()) jj_scanpos = xsp;
+    if (jj_3R_94()) {
+    jj_scanpos = xsp;
+    if (jj_3R_95()) return true;
+    }
+    return false;
+  }
+
+  static private boolean jj_3R_76() {
+    Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_197()) {
+    if (jj_3R_84()) {
     jj_scanpos = xsp;
-    if (jj_3R_198()) {
+    if (jj_3R_85()) {
     jj_scanpos = xsp;
-    if (jj_3R_199()) {
+    if (jj_3R_86()) {
     jj_scanpos = xsp;
-    if (jj_3R_200()) return true;
+    if (jj_3R_87()) {
+    jj_scanpos = xsp;
+    if (jj_3R_88()) {
+    jj_scanpos = xsp;
+    if (jj_3R_89()) return true;
+    }
+    }
     }
     }
     }
     return false;
   }
 
-  static private boolean jj_3R_107() {
-    if (jj_scan_token(AND)) return true;
-    if (jj_3R_106()) return true;
+  static private boolean jj_3R_61() {
+    if (jj_3R_75()) return true;
     return false;
   }
 
-  static private boolean jj_3R_148() {
+  static private boolean jj_3R_74() {
+    if (jj_3R_76()) return true;
+    return false;
+  }
+
+  static private boolean jj_3R_73() {
+    if (jj_scan_token(G)) return true;
+    return false;
+  }
+
+  static private boolean jj_3R_72() {
+    if (jj_scan_token(F)) return true;
+    return false;
+  }
+
+  static private boolean jj_3R_71() {
+    if (jj_scan_token(X)) return true;
+    return false;
+  }
+
+  static private boolean jj_3R_60() {
     Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_169()) {
+    if (jj_3R_71()) {
     jj_scanpos = xsp;
-    if (jj_3R_170()) {
+    if (jj_3R_72()) {
     jj_scanpos = xsp;
-    if (jj_3R_171()) return true;
+    if (jj_3R_73()) return true;
     }
     }
-    if (jj_scan_token(LBRACKET)) return true;
-    if (jj_3R_172()) return true;
     xsp = jj_scanpos;
-    if (jj_3R_173()) jj_scanpos = xsp;
-    if (jj_scan_token(RBRACKET)) return true;
+    if (jj_3R_74()) jj_scanpos = xsp;
+    if (jj_3R_55()) return true;
     return false;
   }
 
-  static private boolean jj_3R_40() {
-    if (jj_scan_token(LPARENTH)) return true;
-    if (jj_3R_48()) return true;
-    if (jj_scan_token(EQ)) return true;
+  static private boolean jj_3R_191() {
+    if (jj_3R_45()) return true;
     if (jj_3R_38()) return true;
-    if (jj_scan_token(RPARENTH)) return true;
     return false;
   }
 
-  static private boolean jj_3R_104() {
-    if (jj_3R_106()) return true;
-    Token xsp;
-    while (true) {
-      xsp = jj_scanpos;
-      if (jj_3R_107()) { jj_scanpos = xsp; break; }
-    }
+  static private boolean jj_3R_190() {
+    if (jj_scan_token(LPARENTH)) return true;
+    if (jj_3R_32()) return true;
+    if (jj_scan_token(RPARENTH)) return true;
     return false;
   }
 
-  static private boolean jj_3R_105() {
-    if (jj_scan_token(OR)) return true;
-    if (jj_3R_104()) return true;
+  static private boolean jj_3R_54() {
+    if (jj_scan_token(LE)) return true;
     return false;
   }
 
-  static private boolean jj_3R_34() {
-    if (jj_3R_40()) return true;
-    Token xsp;
-    while (true) {
-      xsp = jj_scanpos;
-      if (jj_3R_41()) { jj_scanpos = xsp; break; }
-    }
+  static private boolean jj_3R_53() {
+    if (jj_scan_token(GE)) return true;
     return false;
   }
 
-  static private boolean jj_3_5() {
-    if (jj_3R_30()) return true;
+  static private boolean jj_3R_52() {
+    if (jj_scan_token(LT)) return true;
     return false;
   }
 
-  static private boolean jj_3R_102() {
-    if (jj_3R_104()) return true;
-    Token xsp;
-    while (true) {
-      xsp = jj_scanpos;
-      if (jj_3R_105()) { jj_scanpos = xsp; break; }
-    }
+  static private boolean jj_3R_51() {
+    if (jj_scan_token(GT)) return true;
     return false;
   }
 
-  static private boolean jj_3R_30() {
+  static private boolean jj_3R_45() {
     Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_34()) {
+    if (jj_3R_51()) {
     jj_scanpos = xsp;
-    if (jj_scan_token(49)) return true;
+    if (jj_3R_52()) {
+    jj_scanpos = xsp;
+    if (jj_3R_53()) {
+    jj_scanpos = xsp;
+    if (jj_3R_54()) return true;
+    }
+    }
     }
     return false;
   }
 
-  static private boolean jj_3R_103() {
-    if (jj_scan_token(IFF)) return true;
-    if (jj_3R_102()) return true;
+  static private boolean jj_3R_194() {
+    if (jj_scan_token(MAX)) return true;
+    if (jj_scan_token(EQ)) return true;
+    if (jj_scan_token(QMARK)) return true;
     return false;
   }
 
-  static private boolean jj_3R_92() {
-    if (jj_3R_102()) return true;
-    Token xsp;
-    while (true) {
-      xsp = jj_scanpos;
-      if (jj_3R_103()) { jj_scanpos = xsp; break; }
-    }
+  static private boolean jj_3R_193() {
+    if (jj_scan_token(MIN)) return true;
+    if (jj_scan_token(EQ)) return true;
+    if (jj_scan_token(QMARK)) return true;
     return false;
   }
 
-  static private boolean jj_3R_37() {
+  static private boolean jj_3R_192() {
     if (jj_scan_token(EQ)) return true;
     if (jj_scan_token(QMARK)) return true;
     return false;
   }
 
-  static private boolean jj_3R_44() {
-    if (jj_scan_token(LPARENTH)) return true;
-    if (jj_3R_32()) return true;
-    if (jj_scan_token(RPARENTH)) return true;
+  static private boolean jj_3R_167() {
+    if (jj_scan_token(PMAX)) return true;
+    if (jj_scan_token(EQ)) return true;
+    if (jj_scan_token(QMARK)) return true;
     return false;
   }
 
-  static private boolean jj_3R_36() {
+  static private boolean jj_3R_55() {
     Token xsp;
     xsp = jj_scanpos;
-    if (jj_3R_44()) jj_scanpos = xsp;
-    if (jj_3R_45()) return true;
-    if (jj_3R_38()) return true;
-    return false;
-  }
-
-  static private boolean jj_3R_93() {
-    if (jj_scan_token(IMPLIES)) return true;
-    if (jj_3R_92()) return true;
+    if (jj_3R_60()) {
+    jj_scanpos = xsp;
+    if (jj_3R_61()) return true;
+    }
     return false;
   }
 
-  static private boolean jj_3R_82() {
-    if (jj_3R_92()) return true;
-    Token xsp;
-    while (true) {
-      xsp = jj_scanpos;
-      if (jj_3R_93()) { jj_scanpos = xsp; break; }
-    }
+  static private boolean jj_3R_166() {
+    if (jj_scan_token(PMIN)) return true;
+    if (jj_scan_token(EQ)) return true;
+    if (jj_scan_token(QMARK)) return true;
     return false;
   }
 
-  static private boolean jj_3R_33() {
-    if (jj_scan_token(S)) return true;
-    Token xsp;
-    xsp = jj_scanpos;
-    if (jj_3R_36()) {
-    jj_scanpos = xsp;
-    if (jj_3R_37()) return true;
-    }
-    if (jj_scan_token(LBRACKET)) return true;
-    if (jj_3R_38()) return true;
-    xsp = jj_scanpos;
-    if (jj_3R_39()) jj_scanpos = xsp;
-    if (jj_scan_token(RBRACKET)) return true;
+  static private boolean jj_3R_65() {
+    if (jj_3R_76()) return true;
     return false;
   }
 
-  static private boolean jj_3R_83() {
-    if (jj_scan_token(QMARK)) return true;
-    if (jj_3R_82()) return true;
-    if (jj_scan_token(COLON)) return true;
-    if (jj_3R_75()) return true;
+  static private boolean jj_3R_119() {
+    if (jj_scan_token(NE)) return true;
     return false;
   }
 
-  static private boolean jj_3_14() {
-    if (jj_3R_32()) return true;
-    if (jj_scan_token(LPARENTH)) return true;
+  static private boolean jj_3R_64() {
+    if (jj_scan_token(R)) return true;
     return false;
   }
 
-  static private boolean jj_3_13() {
-    if (jj_3R_32()) return true;
-    if (jj_scan_token(LPARENTH)) return true;
+  static private boolean jj_3R_115() {
+    Token xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_118()) {
+    jj_scanpos = xsp;
+    if (jj_3R_119()) return true;
+    }
     return false;
   }
 
-  static private boolean jj_3_12() {
-    if (jj_3R_32()) return true;
-    if (jj_scan_token(LPARENTH)) return true;
+  static private boolean jj_3R_118() {
+    if (jj_scan_token(EQ)) return true;
     return false;
   }
 
-  static private boolean jj_3_11() {
-    if (jj_3R_32()) return true;
-    if (jj_scan_token(LPARENTH)) return true;
+  static private boolean jj_3R_63() {
+    if (jj_scan_token(W)) return true;
     return false;
   }
 
diff --git a/prism/src/parser/PrismParser.jj b/prism/src/parser/PrismParser.jj
index 1ce1b92e..ee8bccdf 100644
--- a/prism/src/parser/PrismParser.jj
+++ b/prism/src/parser/PrismParser.jj
@@ -37,8 +37,10 @@ import java.io.*;
 import java.util.List;
 import java.util.ArrayList;
 
+import parser.BooleanUtils;
 import parser.ast.*;
 import parser.type.*;
+import parser.visitor.*;
 import prism.ModelType;
 import prism.PrismLangException;
 
@@ -73,6 +75,7 @@ public class PrismParser
 				System.out.println("Where: <switch> = -modulesfile or -mf");
 				System.out.println("                  -propertiesfile or -pf");
 				System.out.println("                  -expression or -e");
+				System.out.println("                  -ltl or -l");
 				System.exit(1);
 			}
 			
@@ -103,6 +106,25 @@ public class PrismParser
 				expr.semanticCheck();
 				System.out.println("Type: " + expr.getType().getTypeString());
 				System.out.println("Eval: " + expr.evaluate());
+			}
+			else if (args[0].equals("-ltl") || args[0].equals("-l")) {
+				Expression expr = p.parseSingleLTLFormula(str);
+				expr = (Expression) expr.accept(new ASTTraverseModify() {
+					public Object visit(ExpressionIdent e) throws PrismLangException
+					{
+						return new parser.ast.ExpressionVar(e.getName(), TypeBool.getInstance());
+					}
+				});
+				System.out.println("LTL formula: " + expr.toString());
+				System.out.print("Tree:\n=====\n" + expr.toTreeString());
+				expr.typeCheck();
+				expr.semanticCheck();
+				System.out.println("Type: " + expr.getType().getTypeString());
+				boolean pnf = Expression.isPositiveNormalFormLTL(expr);
+				System.out.println("Positive normal form: " + pnf);
+				if (!pnf) {
+					System.out.println("Positive normal form conversion: " + BooleanUtils.convertLTLToPositiveNormalForm(expr.deepCopy()));
+				}
 			} else {
 				System.out.println("Unknown switch"); System.exit(1);
 			}
@@ -193,6 +215,24 @@ public class PrismParser
 		return expr;
 	}
 	
+	// Parse a single LTL formula
+	
+	public Expression parseSingleLTLFormula(InputStream str) throws PrismLangException
+	{
+		Expression expr = null;
+		
+		// (Re)start parser
+		ReInit(str);
+		// Parse
+		try {
+			expr = SingleLTLFormula();
+		}
+		catch (ParseException e) {
+			throw generateSyntaxError(e);
+		}
+		return expr;
+	}
+	
 	// Parse a for loop
 	
 	public ForLoop parseForLoop(InputStream str) throws PrismLangException
@@ -600,6 +640,16 @@ Expression SingleExpression() :
 	( ret = Expression(false, false) <EOF> ) { return ret; }
 }
 
+// A single LTL formula
+
+Expression SingleLTLFormula() :
+{
+	Expression ret;
+}
+{
+	( ret = Expression(true, true) <EOF> ) { return ret; }
+}
+
 //-----------------------------------------------------------------------------------
 // Modules file stuff (a few bits of which are reused for property files)
 //-----------------------------------------------------------------------------------
diff --git a/prism/src/parser/PrismParserTokenManager.java b/prism/src/parser/PrismParserTokenManager.java
index 72a27f88..dc522b57 100644
--- a/prism/src/parser/PrismParserTokenManager.java
+++ b/prism/src/parser/PrismParserTokenManager.java
@@ -3,8 +3,10 @@ package parser;
 import java.io.*;
 import java.util.List;
 import java.util.ArrayList;
+import parser.BooleanUtils;
 import parser.ast.*;
 import parser.type.*;
+import parser.visitor.*;
 import prism.ModelType;
 import prism.PrismLangException;