remove unwanted lib's

.antlr/ExprLexer.java

@@ -1,795 +0,0 @@
-// Generated from /Users/mannpatel/Desktop/CPSC-499/ExprLexer.g4 by ANTLR 4.13.1
-import org.antlr.v4.runtime.Lexer;
-import org.antlr.v4.runtime.CharStream;
-import org.antlr.v4.runtime.Token;
-import org.antlr.v4.runtime.TokenStream;
-import org.antlr.v4.runtime.*;
-import org.antlr.v4.runtime.atn.*;
-import org.antlr.v4.runtime.dfa.DFA;
-import org.antlr.v4.runtime.misc.*;
-
-@SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast", "CheckReturnValue", "this-escape"})
-public class ExprLexer extends Lexer {
-	static { RuntimeMetaData.checkVersion("4.13.1", RuntimeMetaData.VERSION); }
-
-	protected static final DFA[] _decisionToDFA;
-	protected static final PredictionContextCache _sharedContextCache =
-		new PredictionContextCache();
-	public static final int
-		WhiteSpace=1, Comment=2, Abstract=3, Assert=4, Boolean=5, Break=6, Byte=7, 
-		Case=8, Catch=9, Char=10, Class=11, Const=12, Continue=13, Default=14, 
-		Do=15, Double=16, Else=17, Extends=18, Final=19, Finally=20, Float=21, 
-		For=22, Goto=23, If=24, Implements=25, Import=26, InstanceOf=27, Int=28, 
-		Interface=29, Long=30, Native=31, New=32, Package=33, Private=34, Protected=35, 
-		Public=36, Return=37, Short=38, Static=39, Strictfp=40, Super=41, Switch=42, 
-		Synchronized=43, This=44, Throw=45, Throws=46, Transient=47, Try=48, Void=49, 
-		Volatile=50, While=51, Dot=52, IntegerLiteral=53, FloatingPointLiteral=54, 
-		CharacterLiteral=55, StringLiteral=56, BooleanLiteral=57, NullLiteral=58, 
-		ParenthesesLeft=59, ParenthesesRight=60, CurlyBracketLeft=61, CurlyBracketRight=62, 
-		SquareBracketLeft=63, SquareBracketRight=64, Semicolon=65, Comma=66, UnsignedRightShiftAssign=67, 
-		EqualTo=68, NotEqualTo=69, LessThanEqualTo=70, GreaterThanEqualTo=71, 
-		ConditionalAND=72, ConditionalOR=73, Increment=74, Decrement=75, LeftShift=76, 
-		SignedRightShift=77, UnsignedRightShift=78, AddAssign=79, SubtractAssign=80, 
-		MultiplyAssign=81, DivideAssign=82, BitwiseANDAssign=83, BitwiseORAssign=84, 
-		BitwiseXORAssign=85, RemainderAssign=86, LeftShiftAssign=87, SignedRightShiftAssign=88, 
-		Assignment=89, BitwiseComplement=90, LessThan=91, GreaterThan=92, LogicalComplement=93, 
-		Question=94, Colon=95, Addition=96, Subtraction=97, Multiplication=98, 
-		Division=99, BitwiseAND=100, BitwiseOR=101, BitwiseXOR=102, Remainder=103, 
-		IDENTIFIER=104;
-	public static String[] channelNames = {
-		"DEFAULT_TOKEN_CHANNEL", "HIDDEN"
-	};
-
-	public static String[] modeNames = {
-		"DEFAULT_MODE"
-	};
-
-	private static String[] makeRuleNames() {
-		return new String[] {
-			"LineTerminator", "WhiteSpace", "EndOfLineComment", "Comment", "TraditionalComment", 
-			"CommentTail", "CommentTailStar", "NotStar", "NotStarNotSlash", "Abstract", 
-			"Assert", "Boolean", "Break", "Byte", "Case", "Catch", "Char", "Class", 
-			"Const", "Continue", "Default", "Do", "Double", "Else", "Extends", "Final", 
-			"Finally", "Float", "For", "Goto", "If", "Implements", "Import", "InstanceOf", 
-			"Int", "Interface", "Long", "Native", "New", "Package", "Private", "Protected", 
-			"Public", "Return", "Short", "Static", "Strictfp", "Super", "Switch", 
-			"Synchronized", "This", "Throw", "Throws", "Transient", "Try", "Void", 
-			"Volatile", "While", "Dot", "IntegerLiteral", "DecimalIntegerLiteral", 
-			"HexIntegerLiteral", "OctalIntegerLiteral", "IntegerTypeSuffix", "DecimalNumeral", 
-			"HexNumeral", "HexDigits", "HexDigit", "FloatingPointLiteral", "ExponentPart", 
-			"ExponentIndicator", "SignedInteger", "Digits", "Digit", "NonZeroDigit", 
-			"Sign", "FloatTypeSuffix", "CharacterLiteral", "SingleCharacter", "StringLiteral", 
-			"StringCharacters", "StringCharacter", "EscapeSequence", "OctalEscape", 
-			"OctalNumeral", "OctalDigits", "OctalDigit", "ZeroToThree", "BooleanLiteral", 
-			"NullLiteral", "ParenthesesLeft", "ParenthesesRight", "CurlyBracketLeft", 
-			"CurlyBracketRight", "SquareBracketLeft", "SquareBracketRight", "Semicolon", 
-			"Comma", "UnsignedRightShiftAssign", "EqualTo", "NotEqualTo", "LessThanEqualTo", 
-			"GreaterThanEqualTo", "ConditionalAND", "ConditionalOR", "Increment", 
-			"Decrement", "LeftShift", "SignedRightShift", "UnsignedRightShift", "AddAssign", 
-			"SubtractAssign", "MultiplyAssign", "DivideAssign", "BitwiseANDAssign", 
-			"BitwiseORAssign", "BitwiseXORAssign", "RemainderAssign", "LeftShiftAssign", 
-			"SignedRightShiftAssign", "Assignment", "BitwiseComplement", "LessThan", 
-			"GreaterThan", "LogicalComplement", "Question", "Colon", "Addition", 
-			"Subtraction", "Multiplication", "Division", "BitwiseAND", "BitwiseOR", 
-			"BitwiseXOR", "Remainder", "IDENTIFIER", "JavaLetter", "JavaLetterOrDigit"
-		};
-	}
-	public static final String[] ruleNames = makeRuleNames();
-
-	private static String[] makeLiteralNames() {
-		return new String[] {
-			null, null, null, "'abstract'", "'assert'", "'boolean'", "'break'", "'byte'", 
-			"'case'", "'catch'", "'char'", "'class'", "'const'", "'continue'", "'default'", 
-			"'do'", "'double'", "'else'", "'extends'", "'final'", "'finally'", "'float'", 
-			"'for'", "'goto'", "'if'", "'implements'", "'import'", "'instanceof'", 
-			"'int'", "'interface'", "'long'", "'native'", "'new'", "'package'", "'private'", 
-			"'protected'", "'public'", "'return'", "'short'", "'static'", "'strictfp'", 
-			"'super'", "'switch'", "'synchronized'", "'this'", "'throw'", "'throws'", 
-			"'transient'", "'try'", "'void'", "'volatile'", "'while'", "'.'", null, 
-			null, null, null, null, "'null'", "'('", "')'", "'{'", "'}'", "'['", 
-			"']'", "';'", "','", "'>>>='", "'=='", "'!='", "'<='", "'>='", "'&&'", 
-			"'||'", "'++'", "'--'", "'<<'", "'>>'", "'>>>'", "'+='", "'-='", "'*='", 
-			"'/='", "'&='", "'|='", "'^='", "'%='", "'<<='", "'>>='", "'='", "'~'", 
-			"'<'", "'>'", "'!'", "'?'", "':'", "'+'", "'-'", "'*'", "'/'", "'&'", 
-			"'|'", "'^'", "'%'"
-		};
-	}
-	private static final String[] _LITERAL_NAMES = makeLiteralNames();
-	private static String[] makeSymbolicNames() {
-		return new String[] {
-			null, "WhiteSpace", "Comment", "Abstract", "Assert", "Boolean", "Break", 
-			"Byte", "Case", "Catch", "Char", "Class", "Const", "Continue", "Default", 
-			"Do", "Double", "Else", "Extends", "Final", "Finally", "Float", "For", 
-			"Goto", "If", "Implements", "Import", "InstanceOf", "Int", "Interface", 
-			"Long", "Native", "New", "Package", "Private", "Protected", "Public", 
-			"Return", "Short", "Static", "Strictfp", "Super", "Switch", "Synchronized", 
-			"This", "Throw", "Throws", "Transient", "Try", "Void", "Volatile", "While", 
-			"Dot", "IntegerLiteral", "FloatingPointLiteral", "CharacterLiteral", 
-			"StringLiteral", "BooleanLiteral", "NullLiteral", "ParenthesesLeft", 
-			"ParenthesesRight", "CurlyBracketLeft", "CurlyBracketRight", "SquareBracketLeft", 
-			"SquareBracketRight", "Semicolon", "Comma", "UnsignedRightShiftAssign", 
-			"EqualTo", "NotEqualTo", "LessThanEqualTo", "GreaterThanEqualTo", "ConditionalAND", 
-			"ConditionalOR", "Increment", "Decrement", "LeftShift", "SignedRightShift", 
-			"UnsignedRightShift", "AddAssign", "SubtractAssign", "MultiplyAssign", 
-			"DivideAssign", "BitwiseANDAssign", "BitwiseORAssign", "BitwiseXORAssign", 
-			"RemainderAssign", "LeftShiftAssign", "SignedRightShiftAssign", "Assignment", 
-			"BitwiseComplement", "LessThan", "GreaterThan", "LogicalComplement", 
-			"Question", "Colon", "Addition", "Subtraction", "Multiplication", "Division", 
-			"BitwiseAND", "BitwiseOR", "BitwiseXOR", "Remainder", "IDENTIFIER"
-		};
-	}
-	private static final String[] _SYMBOLIC_NAMES = makeSymbolicNames();
-	public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);
-
-	/**
-	 * @deprecated Use {@link #VOCABULARY} instead.
-	 */
-	@Deprecated
-	public static final String[] tokenNames;
-	static {
-		tokenNames = new String[_SYMBOLIC_NAMES.length];
-		for (int i = 0; i < tokenNames.length; i++) {
-			tokenNames[i] = VOCABULARY.getLiteralName(i);
-			if (tokenNames[i] == null) {
-				tokenNames[i] = VOCABULARY.getSymbolicName(i);
-			}
-
-			if (tokenNames[i] == null) {
-				tokenNames[i] = "<INVALID>";
-			}
-		}
-	}
-
-	@Override
-	@Deprecated
-	public String[] getTokenNames() {
-		return tokenNames;
-	}
-
-	@Override
-
-	public Vocabulary getVocabulary() {
-		return VOCABULARY;
-	}
-
-
-	public ExprLexer(CharStream input) {
-		super(input);
-		_interp = new LexerATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
-	}
-
-	@Override
-	public String getGrammarFileName() { return "ExprLexer.g4"; }
-
-	@Override
-	public String[] getRuleNames() { return ruleNames; }
-
-	@Override
-	public String getSerializedATN() { return _serializedATN; }
-
-	@Override
-	public String[] getChannelNames() { return channelNames; }
-
-	@Override
-	public String[] getModeNames() { return modeNames; }
-
-	@Override
-	public ATN getATN() { return _ATN; }
-
-	public static final String _serializedATN =
-		"\u0004\u0000h\u03ef\u0006\uffff\uffff\u0002\u0000\u0007\u0000\u0002\u0001"+
-		"\u0007\u0001\u0002\u0002\u0007\u0002\u0002\u0003\u0007\u0003\u0002\u0004"+
-		"\u0007\u0004\u0002\u0005\u0007\u0005\u0002\u0006\u0007\u0006\u0002\u0007"+
-		"\u0007\u0007\u0002\b\u0007\b\u0002\t\u0007\t\u0002\n\u0007\n\u0002\u000b"+
-		"\u0007\u000b\u0002\f\u0007\f\u0002\r\u0007\r\u0002\u000e\u0007\u000e\u0002"+
-		"\u000f\u0007\u000f\u0002\u0010\u0007\u0010\u0002\u0011\u0007\u0011\u0002"+
-		"\u0012\u0007\u0012\u0002\u0013\u0007\u0013\u0002\u0014\u0007\u0014\u0002"+
-		"\u0015\u0007\u0015\u0002\u0016\u0007\u0016\u0002\u0017\u0007\u0017\u0002"+
-		"\u0018\u0007\u0018\u0002\u0019\u0007\u0019\u0002\u001a\u0007\u001a\u0002"+
-		"\u001b\u0007\u001b\u0002\u001c\u0007\u001c\u0002\u001d\u0007\u001d\u0002"+
-		"\u001e\u0007\u001e\u0002\u001f\u0007\u001f\u0002 \u0007 \u0002!\u0007"+
-		"!\u0002\"\u0007\"\u0002#\u0007#\u0002$\u0007$\u0002%\u0007%\u0002&\u0007"+
-		"&\u0002\'\u0007\'\u0002(\u0007(\u0002)\u0007)\u0002*\u0007*\u0002+\u0007"+
-		"+\u0002,\u0007,\u0002-\u0007-\u0002.\u0007.\u0002/\u0007/\u00020\u0007"+
-		"0\u00021\u00071\u00022\u00072\u00023\u00073\u00024\u00074\u00025\u0007"+
-		"5\u00026\u00076\u00027\u00077\u00028\u00078\u00029\u00079\u0002:\u0007"+
-		":\u0002;\u0007;\u0002<\u0007<\u0002=\u0007=\u0002>\u0007>\u0002?\u0007"+
-		"?\u0002@\u0007@\u0002A\u0007A\u0002B\u0007B\u0002C\u0007C\u0002D\u0007"+
-		"D\u0002E\u0007E\u0002F\u0007F\u0002G\u0007G\u0002H\u0007H\u0002I\u0007"+
-		"I\u0002J\u0007J\u0002K\u0007K\u0002L\u0007L\u0002M\u0007M\u0002N\u0007"+
-		"N\u0002O\u0007O\u0002P\u0007P\u0002Q\u0007Q\u0002R\u0007R\u0002S\u0007"+
-		"S\u0002T\u0007T\u0002U\u0007U\u0002V\u0007V\u0002W\u0007W\u0002X\u0007"+
-		"X\u0002Y\u0007Y\u0002Z\u0007Z\u0002[\u0007[\u0002\\\u0007\\\u0002]\u0007"+
-		"]\u0002^\u0007^\u0002_\u0007_\u0002`\u0007`\u0002a\u0007a\u0002b\u0007"+
-		"b\u0002c\u0007c\u0002d\u0007d\u0002e\u0007e\u0002f\u0007f\u0002g\u0007"+
-		"g\u0002h\u0007h\u0002i\u0007i\u0002j\u0007j\u0002k\u0007k\u0002l\u0007"+
-		"l\u0002m\u0007m\u0002n\u0007n\u0002o\u0007o\u0002p\u0007p\u0002q\u0007"+
-		"q\u0002r\u0007r\u0002s\u0007s\u0002t\u0007t\u0002u\u0007u\u0002v\u0007"+
-		"v\u0002w\u0007w\u0002x\u0007x\u0002y\u0007y\u0002z\u0007z\u0002{\u0007"+
-		"{\u0002|\u0007|\u0002}\u0007}\u0002~\u0007~\u0002\u007f\u0007\u007f\u0002"+
-		"\u0080\u0007\u0080\u0002\u0081\u0007\u0081\u0002\u0082\u0007\u0082\u0002"+
-		"\u0083\u0007\u0083\u0002\u0084\u0007\u0084\u0002\u0085\u0007\u0085\u0002"+
-		"\u0086\u0007\u0086\u0002\u0087\u0007\u0087\u0002\u0088\u0007\u0088\u0002"+
-		"\u0089\u0007\u0089\u0001\u0000\u0001\u0000\u0003\u0000\u0118\b\u0000\u0001"+
-		"\u0000\u0003\u0000\u011b\b\u0000\u0001\u0001\u0001\u0001\u0003\u0001\u011f"+
-		"\b\u0001\u0001\u0001\u0001\u0001\u0001\u0002\u0001\u0002\u0001\u0002\u0001"+
-		"\u0002\u0005\u0002\u0127\b\u0002\n\u0002\f\u0002\u012a\t\u0002\u0001\u0002"+
-		"\u0003\u0002\u012d\b\u0002\u0001\u0003\u0001\u0003\u0003\u0003\u0131\b"+
-		"\u0003\u0001\u0003\u0001\u0003\u0001\u0004\u0001\u0004\u0001\u0004\u0001"+
-		"\u0004\u0001\u0004\u0001\u0004\u0001\u0005\u0001\u0005\u0001\u0005\u0003"+
-		"\u0005\u013e\b\u0005\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001"+
-		"\u0006\u0001\u0006\u0003\u0006\u0146\b\u0006\u0001\u0007\u0001\u0007\u0003"+
-		"\u0007\u014a\b\u0007\u0001\b\u0001\b\u0003\b\u014e\b\b\u0001\t\u0001\t"+
-		"\u0001\t\u0001\t\u0001\t\u0001\t\u0001\t\u0001\t\u0001\t\u0001\n\u0001"+
-		"\n\u0001\n\u0001\n\u0001\n\u0001\n\u0001\n\u0001\u000b\u0001\u000b\u0001"+
-		"\u000b\u0001\u000b\u0001\u000b\u0001\u000b\u0001\u000b\u0001\u000b\u0001"+
-		"\f\u0001\f\u0001\f\u0001\f\u0001\f\u0001\f\u0001\r\u0001\r\u0001\r\u0001"+
-		"\r\u0001\r\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e"+
-		"\u0001\u000f\u0001\u000f\u0001\u000f\u0001\u000f\u0001\u000f\u0001\u000f"+
-		"\u0001\u0010\u0001\u0010\u0001\u0010\u0001\u0010\u0001\u0010\u0001\u0011"+
-		"\u0001\u0011\u0001\u0011\u0001\u0011\u0001\u0011\u0001\u0011\u0001\u0012"+
-		"\u0001\u0012\u0001\u0012\u0001\u0012\u0001\u0012\u0001\u0012\u0001\u0013"+
-		"\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013"+
-		"\u0001\u0013\u0001\u0013\u0001\u0014\u0001\u0014\u0001\u0014\u0001\u0014"+
-		"\u0001\u0014\u0001\u0014\u0001\u0014\u0001\u0014\u0001\u0015\u0001\u0015"+
-		"\u0001\u0015\u0001\u0016\u0001\u0016\u0001\u0016\u0001\u0016\u0001\u0016"+
-		"\u0001\u0016\u0001\u0016\u0001\u0017\u0001\u0017\u0001\u0017\u0001\u0017"+
-		"\u0001\u0017\u0001\u0018\u0001\u0018\u0001\u0018\u0001\u0018\u0001\u0018"+
-		"\u0001\u0018\u0001\u0018\u0001\u0018\u0001\u0019\u0001\u0019\u0001\u0019"+
-		"\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u001a\u0001\u001a\u0001\u001a"+
-		"\u0001\u001a\u0001\u001a\u0001\u001a\u0001\u001a\u0001\u001a\u0001\u001b"+
-		"\u0001\u001b\u0001\u001b\u0001\u001b\u0001\u001b\u0001\u001b\u0001\u001c"+
-		"\u0001\u001c\u0001\u001c\u0001\u001c\u0001\u001d\u0001\u001d\u0001\u001d"+
-		"\u0001\u001d\u0001\u001d\u0001\u001e\u0001\u001e\u0001\u001e\u0001\u001f"+
-		"\u0001\u001f\u0001\u001f\u0001\u001f\u0001\u001f\u0001\u001f\u0001\u001f"+
-		"\u0001\u001f\u0001\u001f\u0001\u001f\u0001\u001f\u0001 \u0001 \u0001 "+
-		"\u0001 \u0001 \u0001 \u0001 \u0001!\u0001!\u0001!\u0001!\u0001!\u0001"+
-		"!\u0001!\u0001!\u0001!\u0001!\u0001!\u0001\"\u0001\"\u0001\"\u0001\"\u0001"+
-		"#\u0001#\u0001#\u0001#\u0001#\u0001#\u0001#\u0001#\u0001#\u0001#\u0001"+
-		"$\u0001$\u0001$\u0001$\u0001$\u0001%\u0001%\u0001%\u0001%\u0001%\u0001"+
-		"%\u0001%\u0001&\u0001&\u0001&\u0001&\u0001\'\u0001\'\u0001\'\u0001\'\u0001"+
-		"\'\u0001\'\u0001\'\u0001\'\u0001(\u0001(\u0001(\u0001(\u0001(\u0001(\u0001"+
-		"(\u0001(\u0001)\u0001)\u0001)\u0001)\u0001)\u0001)\u0001)\u0001)\u0001"+
-		")\u0001)\u0001*\u0001*\u0001*\u0001*\u0001*\u0001*\u0001*\u0001+\u0001"+
-		"+\u0001+\u0001+\u0001+\u0001+\u0001+\u0001,\u0001,\u0001,\u0001,\u0001"+
-		",\u0001,\u0001-\u0001-\u0001-\u0001-\u0001-\u0001-\u0001-\u0001.\u0001"+
-		".\u0001.\u0001.\u0001.\u0001.\u0001.\u0001.\u0001.\u0001/\u0001/\u0001"+
-		"/\u0001/\u0001/\u0001/\u00010\u00010\u00010\u00010\u00010\u00010\u0001"+
-		"0\u00011\u00011\u00011\u00011\u00011\u00011\u00011\u00011\u00011\u0001"+
-		"1\u00011\u00011\u00011\u00012\u00012\u00012\u00012\u00012\u00013\u0001"+
-		"3\u00013\u00013\u00013\u00013\u00014\u00014\u00014\u00014\u00014\u0001"+
-		"4\u00014\u00015\u00015\u00015\u00015\u00015\u00015\u00015\u00015\u0001"+
-		"5\u00015\u00016\u00016\u00016\u00016\u00017\u00017\u00017\u00017\u0001"+
-		"7\u00018\u00018\u00018\u00018\u00018\u00018\u00018\u00018\u00018\u0001"+
-		"9\u00019\u00019\u00019\u00019\u00019\u0001:\u0001:\u0001;\u0001;\u0001"+
-		";\u0003;\u02a3\b;\u0001<\u0001<\u0003<\u02a7\b<\u0001=\u0001=\u0003=\u02ab"+
-		"\b=\u0001>\u0001>\u0003>\u02af\b>\u0001?\u0001?\u0001@\u0001@\u0001@\u0003"+
-		"@\u02b6\b@\u0003@\u02b8\b@\u0001A\u0001A\u0001A\u0001A\u0001A\u0001A\u0003"+
-		"A\u02c0\bA\u0001B\u0001B\u0001B\u0001B\u0003B\u02c6\bB\u0001C\u0001C\u0001"+
-		"D\u0001D\u0001D\u0003D\u02cd\bD\u0001D\u0003D\u02d0\bD\u0001D\u0003D\u02d3"+
-		"\bD\u0001D\u0001D\u0001D\u0003D\u02d8\bD\u0001D\u0003D\u02db\bD\u0001"+
-		"D\u0001D\u0001D\u0003D\u02e0\bD\u0001D\u0001D\u0003D\u02e4\bD\u0001D\u0001"+
-		"D\u0003D\u02e8\bD\u0001E\u0001E\u0001E\u0001F\u0001F\u0001G\u0003G\u02f0"+
-		"\bG\u0001G\u0001G\u0001H\u0004H\u02f5\bH\u000bH\fH\u02f6\u0001I\u0001"+
-		"I\u0003I\u02fb\bI\u0001J\u0001J\u0001K\u0001K\u0001L\u0001L\u0001M\u0001"+
-		"M\u0001M\u0001M\u0001M\u0001M\u0001M\u0001M\u0003M\u030b\bM\u0001N\u0001"+
-		"N\u0001O\u0001O\u0003O\u0311\bO\u0001O\u0001O\u0001P\u0004P\u0316\bP\u000b"+
-		"P\fP\u0317\u0001Q\u0001Q\u0003Q\u031c\bQ\u0001R\u0001R\u0001R\u0001R\u0001"+
-		"R\u0001R\u0001R\u0001R\u0001R\u0001R\u0001R\u0001R\u0001R\u0001R\u0001"+
-		"R\u0001R\u0001R\u0001R\u0001R\u0001R\u0001R\u0001R\u0001R\u0001R\u0001"+
-		"R\u0001R\u0001R\u0001R\u0001R\u0001R\u0001R\u0001R\u0001R\u0001R\u0001"+
-		"R\u0001R\u0001R\u0001R\u0001R\u0001R\u0001R\u0001R\u0003R\u0348\bR\u0001"+
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-		"\u0000\u0000\u02b0\u02b1\u0007\u0004\u0000\u0000\u02b1\u0080\u0001\u0000"+
-		"\u0000\u0000\u02b2\u02b8\u00050\u0000\u0000\u02b3\u02b5\u0003\u0095J\u0000"+
-		"\u02b4\u02b6\u0003\u0091H\u0000\u02b5\u02b4\u0001\u0000\u0000\u0000\u02b5"+
-		"\u02b6\u0001\u0000\u0000\u0000\u02b6\u02b8\u0001\u0000\u0000\u0000\u02b7"+
-		"\u02b2\u0001\u0000\u0000\u0000\u02b7\u02b3\u0001\u0000\u0000\u0000\u02b8"+
-		"\u0082\u0001\u0000\u0000\u0000\u02b9\u02ba\u00050\u0000\u0000\u02ba\u02bb"+
-		"\u0005x\u0000\u0000\u02bb\u02c0\u0003\u0085B\u0000\u02bc\u02bd\u00050"+
-		"\u0000\u0000\u02bd\u02be\u0005X\u0000\u0000\u02be\u02c0\u0003\u0085B\u0000"+
-		"\u02bf\u02b9\u0001\u0000\u0000\u0000\u02bf\u02bc\u0001\u0000\u0000\u0000"+
-		"\u02c0\u0084\u0001\u0000\u0000\u0000\u02c1\u02c6\u0003\u0087C\u0000\u02c2"+
-		"\u02c3\u0003\u0087C\u0000\u02c3\u02c4\u0003\u0085B\u0000\u02c4\u02c6\u0001"+
-		"\u0000\u0000\u0000\u02c5\u02c1\u0001\u0000\u0000\u0000\u02c5\u02c2\u0001"+
-		"\u0000\u0000\u0000\u02c6\u0086\u0001\u0000\u0000\u0000\u02c7\u02c8\u0007"+
-		"\u0005\u0000\u0000\u02c8\u0088\u0001\u0000\u0000\u0000\u02c9\u02ca\u0003"+
-		"\u0091H\u0000\u02ca\u02cc\u0005.\u0000\u0000\u02cb\u02cd\u0003\u0091H"+
-		"\u0000\u02cc\u02cb\u0001\u0000\u0000\u0000\u02cc\u02cd\u0001\u0000\u0000"+
-		"\u0000\u02cd\u02cf\u0001\u0000\u0000\u0000\u02ce\u02d0\u0003\u008bE\u0000"+
-		"\u02cf\u02ce\u0001\u0000\u0000\u0000\u02cf\u02d0\u0001\u0000\u0000\u0000"+
-		"\u02d0\u02d2\u0001\u0000\u0000\u0000\u02d1\u02d3\u0003\u0099L\u0000\u02d2"+
-		"\u02d1\u0001\u0000\u0000\u0000\u02d2\u02d3\u0001\u0000\u0000\u0000\u02d3"+
-		"\u02e8\u0001\u0000\u0000\u0000\u02d4\u02d5\u0005.\u0000\u0000\u02d5\u02d7"+
-		"\u0003\u0091H\u0000\u02d6\u02d8\u0003\u008bE\u0000\u02d7\u02d6\u0001\u0000"+
-		"\u0000\u0000\u02d7\u02d8\u0001\u0000\u0000\u0000\u02d8\u02da\u0001\u0000"+
-		"\u0000\u0000\u02d9\u02db\u0003\u0099L\u0000\u02da\u02d9\u0001\u0000\u0000"+
-		"\u0000\u02da\u02db\u0001\u0000\u0000\u0000\u02db\u02e8\u0001\u0000\u0000"+
-		"\u0000\u02dc\u02dd\u0003\u0091H\u0000\u02dd\u02df\u0003\u008bE\u0000\u02de"+
-		"\u02e0\u0003\u0099L\u0000\u02df\u02de\u0001\u0000\u0000\u0000\u02df\u02e0"+
-		"\u0001\u0000\u0000\u0000\u02e0\u02e8\u0001\u0000\u0000\u0000\u02e1\u02e3"+
-		"\u0003\u0091H\u0000\u02e2\u02e4\u0003\u008bE\u0000\u02e3\u02e2\u0001\u0000"+
-		"\u0000\u0000\u02e3\u02e4\u0001\u0000\u0000\u0000\u02e4\u02e5\u0001\u0000"+
-		"\u0000\u0000\u02e5\u02e6\u0003\u0099L\u0000\u02e6\u02e8\u0001\u0000\u0000"+
-		"\u0000\u02e7\u02c9\u0001\u0000\u0000\u0000\u02e7\u02d4\u0001\u0000\u0000"+
-		"\u0000\u02e7\u02dc\u0001\u0000\u0000\u0000\u02e7\u02e1\u0001\u0000\u0000"+
-		"\u0000\u02e8\u008a\u0001\u0000\u0000\u0000\u02e9\u02ea\u0003\u008dF\u0000"+
-		"\u02ea\u02eb\u0003\u008fG\u0000\u02eb\u008c\u0001\u0000\u0000\u0000\u02ec"+
-		"\u02ed\u0007\u0006\u0000\u0000\u02ed\u008e\u0001\u0000\u0000\u0000\u02ee"+
-		"\u02f0\u0003\u0097K\u0000\u02ef\u02ee\u0001\u0000\u0000\u0000\u02ef\u02f0"+
-		"\u0001\u0000\u0000\u0000\u02f0\u02f1\u0001\u0000\u0000\u0000\u02f1\u02f2"+
-		"\u0003\u0091H\u0000\u02f2\u0090\u0001\u0000\u0000\u0000\u02f3\u02f5\u0003"+
-		"\u0093I\u0000\u02f4\u02f3\u0001\u0000\u0000\u0000\u02f5\u02f6\u0001\u0000"+
-		"\u0000\u0000\u02f6\u02f4\u0001\u0000\u0000\u0000\u02f6\u02f7\u0001\u0000"+
-		"\u0000\u0000\u02f7\u0092\u0001\u0000\u0000\u0000\u02f8\u02fb\u00050\u0000"+
-		"\u0000\u02f9\u02fb\u0003\u0095J\u0000\u02fa\u02f8\u0001\u0000\u0000\u0000"+
-		"\u02fa\u02f9\u0001\u0000\u0000\u0000\u02fb\u0094\u0001\u0000\u0000\u0000"+
-		"\u02fc\u02fd\u0007\u0007\u0000\u0000\u02fd\u0096\u0001\u0000\u0000\u0000"+
-		"\u02fe\u02ff\u0007\b\u0000\u0000\u02ff\u0098\u0001\u0000\u0000\u0000\u0300"+
-		"\u0301\u0007\t\u0000\u0000\u0301\u009a\u0001\u0000\u0000\u0000\u0302\u0303"+
-		"\u0005\'\u0000\u0000\u0303\u0304\u0003\u009dN\u0000\u0304\u0305\u0005"+
-		"\'\u0000\u0000\u0305\u030b\u0001\u0000\u0000\u0000\u0306\u0307\u0005\'"+
-		"\u0000\u0000\u0307\u0308\u0003\u00a5R\u0000\u0308\u0309\u0005\'\u0000"+
-		"\u0000\u0309\u030b\u0001\u0000\u0000\u0000\u030a\u0302\u0001\u0000\u0000"+
-		"\u0000\u030a\u0306\u0001\u0000\u0000\u0000\u030b\u009c\u0001\u0000\u0000"+
-		"\u0000\u030c\u030d\u0007\n\u0000\u0000\u030d\u009e\u0001\u0000\u0000\u0000"+
-		"\u030e\u0310\u0005\"\u0000\u0000\u030f\u0311\u0003\u00a1P\u0000\u0310"+
-		"\u030f\u0001\u0000\u0000\u0000\u0310\u0311\u0001\u0000\u0000\u0000\u0311"+
-		"\u0312\u0001\u0000\u0000\u0000\u0312\u0313\u0005\"\u0000\u0000\u0313\u00a0"+
-		"\u0001\u0000\u0000\u0000\u0314\u0316\u0003\u00a3Q\u0000\u0315\u0314\u0001"+
-		"\u0000\u0000\u0000\u0316\u0317\u0001\u0000\u0000\u0000\u0317\u0315\u0001"+
-		"\u0000\u0000\u0000\u0317\u0318\u0001\u0000\u0000\u0000\u0318\u00a2\u0001"+
-		"\u0000\u0000\u0000\u0319\u031c\u0003\u009dN\u0000\u031a\u031c\u0003\u00a5"+
-		"R\u0000\u031b\u0319\u0001\u0000\u0000\u0000\u031b\u031a\u0001\u0000\u0000"+
-		"\u0000\u031c\u00a4\u0001\u0000\u0000\u0000\u031d\u0347\u0005\\\u0000\u0000"+
-		"\u031e\u031f\u0005u\u0000\u0000\u031f\u0320\u00050\u0000\u0000\u0320\u0321"+
-		"\u00050\u0000\u0000\u0321\u0322\u00050\u0000\u0000\u0322\u0348\u00058"+
-		"\u0000\u0000\u0323\u0324\u0005u\u0000\u0000\u0324\u0325\u00050\u0000\u0000"+
-		"\u0325\u0326\u00050\u0000\u0000\u0326\u0327\u00050\u0000\u0000\u0327\u0348"+
-		"\u00059\u0000\u0000\u0328\u0329\u0005u\u0000\u0000\u0329\u032a\u00050"+
-		"\u0000\u0000\u032a\u032b\u00050\u0000\u0000\u032b\u032c\u00050\u0000\u0000"+
-		"\u032c\u0348\u0005a\u0000\u0000\u032d\u032e\u0005u\u0000\u0000\u032e\u032f"+
-		"\u00050\u0000\u0000\u032f\u0330\u00050\u0000\u0000\u0330\u0331\u00050"+
-		"\u0000\u0000\u0331\u0348\u0005c\u0000\u0000\u0332\u0333\u0005u\u0000\u0000"+
-		"\u0333\u0334\u00050\u0000\u0000\u0334\u0335\u00050\u0000\u0000\u0335\u0336"+
-		"\u00050\u0000\u0000\u0336\u0348\u0005d\u0000\u0000\u0337\u0338\u0005u"+
-		"\u0000\u0000\u0338\u0339\u00050\u0000\u0000\u0339\u033a\u00050\u0000\u0000"+
-		"\u033a\u033b\u00052\u0000\u0000\u033b\u0348\u00052\u0000\u0000\u033c\u033d"+
-		"\u0005u\u0000\u0000\u033d\u033e\u00050\u0000\u0000\u033e\u033f\u00050"+
-		"\u0000\u0000\u033f\u0340\u00052\u0000\u0000\u0340\u0348\u00057\u0000\u0000"+
-		"\u0341\u0342\u0005u\u0000\u0000\u0342\u0343\u00050\u0000\u0000\u0343\u0344"+
-		"\u00050\u0000\u0000\u0344\u0345\u00055\u0000\u0000\u0345\u0348\u0005c"+
-		"\u0000\u0000\u0346\u0348\u0003\u00a7S\u0000\u0347\u031e\u0001\u0000\u0000"+
-		"\u0000\u0347\u0323\u0001\u0000\u0000\u0000\u0347\u0328\u0001\u0000\u0000"+
-		"\u0000\u0347\u032d\u0001\u0000\u0000\u0000\u0347\u0332\u0001\u0000\u0000"+
-		"\u0000\u0347\u0337\u0001\u0000\u0000\u0000\u0347\u033c\u0001\u0000\u0000"+
-		"\u0000\u0347\u0341\u0001\u0000\u0000\u0000\u0347\u0346\u0001\u0000\u0000"+
-		"\u0000\u0348\u00a6\u0001\u0000\u0000\u0000\u0349\u034a\u0005\\\u0000\u0000"+
-		"\u034a\u0355\u0003\u00adV\u0000\u034b\u034c\u0005\\\u0000\u0000\u034c"+
-		"\u034d\u0003\u00adV\u0000\u034d\u034e\u0003\u00adV\u0000\u034e\u0355\u0001"+
-		"\u0000\u0000\u0000\u034f\u0350\u0005\\\u0000\u0000\u0350\u0351\u0003\u00af"+
-		"W\u0000\u0351\u0352\u0003\u00adV\u0000\u0352\u0353\u0003\u00adV\u0000"+
-		"\u0353\u0355\u0001\u0000\u0000\u0000\u0354\u0349\u0001\u0000\u0000\u0000"+
-		"\u0354\u034b\u0001\u0000\u0000\u0000\u0354\u034f\u0001\u0000\u0000\u0000"+
-		"\u0355\u00a8\u0001\u0000\u0000\u0000\u0356\u0357\u00050\u0000\u0000\u0357"+
-		"\u0358\u0003\u00abU\u0000\u0358\u00aa\u0001\u0000\u0000\u0000\u0359\u035a"+
-		"\u0003\u00adV\u0000\u035a\u00ac\u0001\u0000\u0000\u0000\u035b\u035c\u0007"+
-		"\u000b\u0000\u0000\u035c\u00ae\u0001\u0000\u0000\u0000\u035d\u035e\u0007"+
-		"\f\u0000\u0000\u035e\u00b0\u0001\u0000\u0000\u0000\u035f\u0360\u0005t"+
-		"\u0000\u0000\u0360\u0361\u0005r\u0000\u0000\u0361\u0362\u0005u\u0000\u0000"+
-		"\u0362\u0369\u0005e\u0000\u0000\u0363\u0364\u0005f\u0000\u0000\u0364\u0365"+
-		"\u0005a\u0000\u0000\u0365\u0366\u0005l\u0000\u0000\u0366\u0367\u0005s"+
-		"\u0000\u0000\u0367\u0369\u0005e\u0000\u0000\u0368\u035f\u0001\u0000\u0000"+
-		"\u0000\u0368\u0363\u0001\u0000\u0000\u0000\u0369\u00b2\u0001\u0000\u0000"+
-		"\u0000\u036a\u036b\u0005n\u0000\u0000\u036b\u036c\u0005u\u0000\u0000\u036c"+
-		"\u036d\u0005l\u0000\u0000\u036d\u036e\u0005l\u0000\u0000\u036e\u00b4\u0001"+
-		"\u0000\u0000\u0000\u036f\u0370\u0005(\u0000\u0000\u0370\u00b6\u0001\u0000"+
-		"\u0000\u0000\u0371\u0372\u0005)\u0000\u0000\u0372\u00b8\u0001\u0000\u0000"+
-		"\u0000\u0373\u0374\u0005{\u0000\u0000\u0374\u00ba\u0001\u0000\u0000\u0000"+
-		"\u0375\u0376\u0005}\u0000\u0000\u0376\u00bc\u0001\u0000\u0000\u0000\u0377"+
-		"\u0378\u0005[\u0000\u0000\u0378\u00be\u0001\u0000\u0000\u0000\u0379\u037a"+
-		"\u0005]\u0000\u0000\u037a\u00c0\u0001\u0000\u0000\u0000\u037b\u037c\u0005"+
-		";\u0000\u0000\u037c\u00c2\u0001\u0000\u0000\u0000\u037d\u037e\u0005,\u0000"+
-		"\u0000\u037e\u00c4\u0001\u0000\u0000\u0000\u037f\u0380\u0005>\u0000\u0000"+
-		"\u0380\u0381\u0005>\u0000\u0000\u0381\u0382\u0005>\u0000\u0000\u0382\u0383"+
-		"\u0005=\u0000\u0000\u0383\u00c6\u0001\u0000\u0000\u0000\u0384\u0385\u0005"+
-		"=\u0000\u0000\u0385\u0386\u0005=\u0000\u0000\u0386\u00c8\u0001\u0000\u0000"+
-		"\u0000\u0387\u0388\u0005!\u0000\u0000\u0388\u0389\u0005=\u0000\u0000\u0389"+
-		"\u00ca\u0001\u0000\u0000\u0000\u038a\u038b\u0005<\u0000\u0000\u038b\u038c"+
-		"\u0005=\u0000\u0000\u038c\u00cc\u0001\u0000\u0000\u0000\u038d\u038e\u0005"+
-		">\u0000\u0000\u038e\u038f\u0005=\u0000\u0000\u038f\u00ce\u0001\u0000\u0000"+
-		"\u0000\u0390\u0391\u0005&\u0000\u0000\u0391\u0392\u0005&\u0000\u0000\u0392"+
-		"\u00d0\u0001\u0000\u0000\u0000\u0393\u0394\u0005|\u0000\u0000\u0394\u0395"+
-		"\u0005|\u0000\u0000\u0395\u00d2\u0001\u0000\u0000\u0000\u0396\u0397\u0005"+
-		"+\u0000\u0000\u0397\u0398\u0005+\u0000\u0000\u0398\u00d4\u0001\u0000\u0000"+
-		"\u0000\u0399\u039a\u0005-\u0000\u0000\u039a\u039b\u0005-\u0000\u0000\u039b"+
-		"\u00d6\u0001\u0000\u0000\u0000\u039c\u039d\u0005<\u0000\u0000\u039d\u039e"+
-		"\u0005<\u0000\u0000\u039e\u00d8\u0001\u0000\u0000\u0000\u039f\u03a0\u0005"+
-		">\u0000\u0000\u03a0\u03a1\u0005>\u0000\u0000\u03a1\u00da\u0001\u0000\u0000"+
-		"\u0000\u03a2\u03a3\u0005>\u0000\u0000\u03a3\u03a4\u0005>\u0000\u0000\u03a4"+
-		"\u03a5\u0005>\u0000\u0000\u03a5\u00dc\u0001\u0000\u0000\u0000\u03a6\u03a7"+
-		"\u0005+\u0000\u0000\u03a7\u03a8\u0005=\u0000\u0000\u03a8\u00de\u0001\u0000"+
-		"\u0000\u0000\u03a9\u03aa\u0005-\u0000\u0000\u03aa\u03ab\u0005=\u0000\u0000"+
-		"\u03ab\u00e0\u0001\u0000\u0000\u0000\u03ac\u03ad\u0005*\u0000\u0000\u03ad"+
-		"\u03ae\u0005=\u0000\u0000\u03ae\u00e2\u0001\u0000\u0000\u0000\u03af\u03b0"+
-		"\u0005/\u0000\u0000\u03b0\u03b1\u0005=\u0000\u0000\u03b1\u00e4\u0001\u0000"+
-		"\u0000\u0000\u03b2\u03b3\u0005&\u0000\u0000\u03b3\u03b4\u0005=\u0000\u0000"+
-		"\u03b4\u00e6\u0001\u0000\u0000\u0000\u03b5\u03b6\u0005|\u0000\u0000\u03b6"+
-		"\u03b7\u0005=\u0000\u0000\u03b7\u00e8\u0001\u0000\u0000\u0000\u03b8\u03b9"+
-		"\u0005^\u0000\u0000\u03b9\u03ba\u0005=\u0000\u0000\u03ba\u00ea\u0001\u0000"+
-		"\u0000\u0000\u03bb\u03bc\u0005%\u0000\u0000\u03bc\u03bd\u0005=\u0000\u0000"+
-		"\u03bd\u00ec\u0001\u0000\u0000\u0000\u03be\u03bf\u0005<\u0000\u0000\u03bf"+
-		"\u03c0\u0005<\u0000\u0000\u03c0\u03c1\u0005=\u0000\u0000\u03c1\u00ee\u0001"+
-		"\u0000\u0000\u0000\u03c2\u03c3\u0005>\u0000\u0000\u03c3\u03c4\u0005>\u0000"+
-		"\u0000\u03c4\u03c5\u0005=\u0000\u0000\u03c5\u00f0\u0001\u0000\u0000\u0000"+
-		"\u03c6\u03c7\u0005=\u0000\u0000\u03c7\u00f2\u0001\u0000\u0000\u0000\u03c8"+
-		"\u03c9\u0005~\u0000\u0000\u03c9\u00f4\u0001\u0000\u0000\u0000\u03ca\u03cb"+
-		"\u0005<\u0000\u0000\u03cb\u00f6\u0001\u0000\u0000\u0000\u03cc\u03cd\u0005"+
-		">\u0000\u0000\u03cd\u00f8\u0001\u0000\u0000\u0000\u03ce\u03cf\u0005!\u0000"+
-		"\u0000\u03cf\u00fa\u0001\u0000\u0000\u0000\u03d0\u03d1\u0005?\u0000\u0000"+
-		"\u03d1\u00fc\u0001\u0000\u0000\u0000\u03d2\u03d3\u0005:\u0000\u0000\u03d3"+
-		"\u00fe\u0001\u0000\u0000\u0000\u03d4\u03d5\u0005+\u0000\u0000\u03d5\u0100"+
-		"\u0001\u0000\u0000\u0000\u03d6\u03d7\u0005-\u0000\u0000\u03d7\u0102\u0001"+
-		"\u0000\u0000\u0000\u03d8\u03d9\u0005*\u0000\u0000\u03d9\u0104\u0001\u0000"+
-		"\u0000\u0000\u03da\u03db\u0005/\u0000\u0000\u03db\u0106\u0001\u0000\u0000"+
-		"\u0000\u03dc\u03dd\u0005&\u0000\u0000\u03dd\u0108\u0001\u0000\u0000\u0000"+
-		"\u03de\u03df\u0005|\u0000\u0000\u03df\u010a\u0001\u0000\u0000\u0000\u03e0"+
-		"\u03e1\u0005^\u0000\u0000\u03e1\u010c\u0001\u0000\u0000\u0000\u03e2\u03e3"+
-		"\u0005%\u0000\u0000\u03e3\u010e\u0001\u0000\u0000\u0000\u03e4\u03e8\u0003"+
-		"\u0111\u0088\u0000\u03e5\u03e7\u0003\u0113\u0089\u0000\u03e6\u03e5\u0001"+
-		"\u0000\u0000\u0000\u03e7\u03ea\u0001\u0000\u0000\u0000\u03e8\u03e6\u0001"+
-		"\u0000\u0000\u0000\u03e8\u03e9\u0001\u0000\u0000\u0000\u03e9\u0110\u0001"+
-		"\u0000\u0000\u0000\u03ea\u03e8\u0001\u0000\u0000\u0000\u03eb\u03ec\u0007"+
-		"\r\u0000\u0000\u03ec\u0112\u0001\u0000\u0000\u0000\u03ed\u03ee\u0007\u000e"+
-		"\u0000\u0000\u03ee\u0114\u0001\u0000\u0000\u0000&\u0000\u0117\u011a\u011e"+
-		"\u0128\u012c\u0130\u013d\u0145\u0149\u014d\u02a2\u02a6\u02aa\u02ae\u02b5"+
-		"\u02b7\u02bf\u02c5\u02cc\u02cf\u02d2\u02d7\u02da\u02df\u02e3\u02e7\u02ef"+
-		"\u02f6\u02fa\u030a\u0310\u0317\u031b\u0347\u0354\u0368\u03e8\u0001\u0006"+
-		"\u0000\u0000";
-	public static final ATN _ATN =
-		new ATNDeserializer().deserialize(_serializedATN.toCharArray());
-	static {
-		_decisionToDFA = new DFA[_ATN.getNumberOfDecisions()];
-		for (int i = 0; i < _ATN.getNumberOfDecisions(); i++) {
-			_decisionToDFA[i] = new DFA(_ATN.getDecisionState(i), i);
-		}
-	}
-}

.antlr/ExprLexer.tokens

@@ -1,200 +0,0 @@
-WhiteSpace=1
-Comment=2
-Abstract=3
-Assert=4
-Boolean=5
-Break=6
-Byte=7
-Case=8
-Catch=9
-Char=10
-Class=11
-Const=12
-Continue=13
-Default=14
-Do=15
-Double=16
-Else=17
-Extends=18
-Final=19
-Finally=20
-Float=21
-For=22
-Goto=23
-If=24
-Implements=25
-Import=26
-InstanceOf=27
-Int=28
-Interface=29
-Long=30
-Native=31
-New=32
-Package=33
-Private=34
-Protected=35
-Public=36
-Return=37
-Short=38
-Static=39
-Strictfp=40
-Super=41
-Switch=42
-Synchronized=43
-This=44
-Throw=45
-Throws=46
-Transient=47
-Try=48
-Void=49
-Volatile=50
-While=51
-Dot=52
-IntegerLiteral=53
-FloatingPointLiteral=54
-CharacterLiteral=55
-StringLiteral=56
-BooleanLiteral=57
-NullLiteral=58
-ParenthesesLeft=59
-ParenthesesRight=60
-CurlyBracketLeft=61
-CurlyBracketRight=62
-SquareBracketLeft=63
-SquareBracketRight=64
-Semicolon=65
-Comma=66
-UnsignedRightShiftAssign=67
-EqualTo=68
-NotEqualTo=69
-LessThanEqualTo=70
-GreaterThanEqualTo=71
-ConditionalAND=72
-ConditionalOR=73
-Increment=74
-Decrement=75
-LeftShift=76
-SignedRightShift=77
-UnsignedRightShift=78
-AddAssign=79
-SubtractAssign=80
-MultiplyAssign=81
-DivideAssign=82
-BitwiseANDAssign=83
-BitwiseORAssign=84
-BitwiseXORAssign=85
-RemainderAssign=86
-LeftShiftAssign=87
-SignedRightShiftAssign=88
-Assignment=89
-BitwiseComplement=90
-LessThan=91
-GreaterThan=92
-LogicalComplement=93
-Question=94
-Colon=95
-Addition=96
-Subtraction=97
-Multiplication=98
-Division=99
-BitwiseAND=100
-BitwiseOR=101
-BitwiseXOR=102
-Remainder=103
-IDENTIFIER=104
-'abstract'=3
-'assert'=4
-'boolean'=5
-'break'=6
-'byte'=7
-'case'=8
-'catch'=9
-'char'=10
-'class'=11
-'const'=12
-'continue'=13
-'default'=14
-'do'=15
-'double'=16
-'else'=17
-'extends'=18
-'final'=19
-'finally'=20
-'float'=21
-'for'=22
-'goto'=23
-'if'=24
-'implements'=25
-'import'=26
-'instanceof'=27
-'int'=28
-'interface'=29
-'long'=30
-'native'=31
-'new'=32
-'package'=33
-'private'=34
-'protected'=35
-'public'=36
-'return'=37
-'short'=38
-'static'=39
-'strictfp'=40
-'super'=41
-'switch'=42
-'synchronized'=43
-'this'=44
-'throw'=45
-'throws'=46
-'transient'=47
-'try'=48
-'void'=49
-'volatile'=50
-'while'=51
-'.'=52
-'null'=58
-'('=59
-')'=60
-'{'=61
-'}'=62
-'['=63
-']'=64
-';'=65
-','=66
-'>>>='=67
-'=='=68
-'!='=69
-'<='=70
-'>='=71
-'&&'=72
-'||'=73
-'++'=74
-'--'=75
-'<<'=76
-'>>'=77
-'>>>'=78
-'+='=79
-'-='=80
-'*='=81
-'/='=82
-'&='=83
-'|='=84
-'^='=85
-'%='=86
-'<<='=87
-'>>='=88
-'='=89
-'~'=90
-'<'=91
-'>'=92
-'!'=93
-'?'=94
-':'=95
-'+'=96
-'-'=97
-'*'=98
-'/'=99
-'&'=100
-'|'=101
-'^'=102
-'%'=103

.antlr/ExprParser.tokens

@@ -1,200 +0,0 @@
-WhiteSpace=1
-Comment=2
-Abstract=3
-Assert=4
-Boolean=5
-Break=6
-Byte=7
-Case=8
-Catch=9
-Char=10
-Class=11
-Const=12
-Continue=13
-Default=14
-Do=15
-Double=16
-Else=17
-Extends=18
-Final=19
-Finally=20
-Float=21
-For=22
-Goto=23
-If=24
-Implements=25
-Import=26
-InstanceOf=27
-Int=28
-Interface=29
-Long=30
-Native=31
-New=32
-Package=33
-Private=34
-Protected=35
-Public=36
-Return=37
-Short=38
-Static=39
-Strictfp=40
-Super=41
-Switch=42
-Synchronized=43
-This=44
-Throw=45
-Throws=46
-Transient=47
-Try=48
-Void=49
-Volatile=50
-While=51
-Dot=52
-IntegerLiteral=53
-FloatingPointLiteral=54
-CharacterLiteral=55
-StringLiteral=56
-BooleanLiteral=57
-NullLiteral=58
-ParenthesesLeft=59
-ParenthesesRight=60
-CurlyBracketLeft=61
-CurlyBracketRight=62
-SquareBracketLeft=63
-SquareBracketRight=64
-Semicolon=65
-Comma=66
-UnsignedRightShiftAssign=67
-EqualTo=68
-NotEqualTo=69
-LessThanEqualTo=70
-GreaterThanEqualTo=71
-ConditionalAND=72
-ConditionalOR=73
-Increment=74
-Decrement=75
-LeftShift=76
-SignedRightShift=77
-UnsignedRightShift=78
-AddAssign=79
-SubtractAssign=80
-MultiplyAssign=81
-DivideAssign=82
-BitwiseANDAssign=83
-BitwiseORAssign=84
-BitwiseXORAssign=85
-RemainderAssign=86
-LeftShiftAssign=87
-SignedRightShiftAssign=88
-Assignment=89
-BitwiseComplement=90
-LessThan=91
-GreaterThan=92
-LogicalComplement=93
-Question=94
-Colon=95
-Addition=96
-Subtraction=97
-Multiplication=98
-Division=99
-BitwiseAND=100
-BitwiseOR=101
-BitwiseXOR=102
-Remainder=103
-IDENTIFIER=104
-'abstract'=3
-'assert'=4
-'boolean'=5
-'break'=6
-'byte'=7
-'case'=8
-'catch'=9
-'char'=10
-'class'=11
-'const'=12
-'continue'=13
-'default'=14
-'do'=15
-'double'=16
-'else'=17
-'extends'=18
-'final'=19
-'finally'=20
-'float'=21
-'for'=22
-'goto'=23
-'if'=24
-'implements'=25
-'import'=26
-'instanceof'=27
-'int'=28
-'interface'=29
-'long'=30
-'native'=31
-'new'=32
-'package'=33
-'private'=34
-'protected'=35
-'public'=36
-'return'=37
-'short'=38
-'static'=39
-'strictfp'=40
-'super'=41
-'switch'=42
-'synchronized'=43
-'this'=44
-'throw'=45
-'throws'=46
-'transient'=47
-'try'=48
-'void'=49
-'volatile'=50
-'while'=51
-'.'=52
-'null'=58
-'('=59
-')'=60
-'{'=61
-'}'=62
-'['=63
-']'=64
-';'=65
-','=66
-'>>>='=67
-'=='=68
-'!='=69
-'<='=70
-'>='=71
-'&&'=72
-'||'=73
-'++'=74
-'--'=75
-'<<'=76
-'>>'=77
-'>>>'=78
-'+='=79
-'-='=80
-'*='=81
-'/='=82
-'&='=83
-'|='=84
-'^='=85
-'%='=86
-'<<='=87
-'>>='=88
-'='=89
-'~'=90
-'<'=91
-'>'=92
-'!'=93
-'?'=94
-':'=95
-'+'=96
-'-'=97
-'*'=98
-'/'=99
-'&'=100
-'|'=101
-'^'=102
-'%'=103

.antlr/ExprSyntactic.tokens

@@ -1,200 +0,0 @@
-WhiteSpace=1
-Comment=2
-Abstract=3
-Assert=4
-Boolean=5
-Break=6
-Byte=7
-Case=8
-Catch=9
-Char=10
-Class=11
-Const=12
-Continue=13
-Default=14
-Do=15
-Double=16
-Else=17
-Extends=18
-Final=19
-Finally=20
-Float=21
-For=22
-Goto=23
-If=24
-Implements=25
-Import=26
-InstanceOf=27
-Int=28
-Interface=29
-Long=30
-Native=31
-New=32
-Package=33
-Private=34
-Protected=35
-Public=36
-Return=37
-Short=38
-Static=39
-Strictfp=40
-Super=41
-Switch=42
-Synchronized=43
-This=44
-Throw=45
-Throws=46
-Transient=47
-Try=48
-Void=49
-Volatile=50
-While=51
-Dot=52
-IntegerLiteral=53
-FloatingPointLiteral=54
-CharacterLiteral=55
-StringLiteral=56
-BooleanLiteral=57
-NullLiteral=58
-ParenthesesLeft=59
-ParenthesesRight=60
-CurlyBracketLeft=61
-CurlyBracketRight=62
-SquareBracketLeft=63
-SquareBracketRight=64
-Semicolon=65
-Comma=66
-UnsignedRightShiftAssign=67
-EqualTo=68
-NotEqualTo=69
-LessThanEqualTo=70
-GreaterThanEqualTo=71
-ConditionalAND=72
-ConditionalOR=73
-Increment=74
-Decrement=75
-LeftShift=76
-SignedRightShift=77
-UnsignedRightShift=78
-AddAssign=79
-SubtractAssign=80
-MultiplyAssign=81
-DivideAssign=82
-BitwiseANDAssign=83
-BitwiseORAssign=84
-BitwiseXORAssign=85
-RemainderAssign=86
-LeftShiftAssign=87
-SignedRightShiftAssign=88
-Assignment=89
-BitwiseComplement=90
-LessThan=91
-GreaterThan=92
-LogicalComplement=93
-Question=94
-Colon=95
-Addition=96
-Subtraction=97
-Multiplication=98
-Division=99
-BitwiseAND=100
-BitwiseOR=101
-BitwiseXOR=102
-Remainder=103
-IDENTIFIER=104
-'abstract'=3
-'assert'=4
-'boolean'=5
-'break'=6
-'byte'=7
-'case'=8
-'catch'=9
-'char'=10
-'class'=11
-'const'=12
-'continue'=13
-'default'=14
-'do'=15
-'double'=16
-'else'=17
-'extends'=18
-'final'=19
-'finally'=20
-'float'=21
-'for'=22
-'goto'=23
-'if'=24
-'implements'=25
-'import'=26
-'instanceof'=27
-'int'=28
-'interface'=29
-'long'=30
-'native'=31
-'new'=32
-'package'=33
-'private'=34
-'protected'=35
-'public'=36
-'return'=37
-'short'=38
-'static'=39
-'strictfp'=40
-'super'=41
-'switch'=42
-'synchronized'=43
-'this'=44
-'throw'=45
-'throws'=46
-'transient'=47
-'try'=48
-'void'=49
-'volatile'=50
-'while'=51
-'.'=52
-'null'=58
-'('=59
-')'=60
-'{'=61
-'}'=62
-'['=63
-']'=64
-';'=65
-','=66
-'>>>='=67
-'=='=68
-'!='=69
-'<='=70
-'>='=71
-'&&'=72
-'||'=73
-'++'=74
-'--'=75
-'<<'=76
-'>>'=77
-'>>>'=78
-'+='=79
-'-='=80
-'*='=81
-'/='=82
-'&='=83
-'|='=84
-'^='=85
-'%='=86
-'<<='=87
-'>>='=88
-'='=89
-'~'=90
-'<'=91
-'>'=92
-'!'=93
-'?'=94
-':'=95
-'+'=96
-'-'=97
-'*'=98
-'/'=99
-'&'=100
-'|'=101
-'^'=102
-'%'=103

.gitignore

@@ -0,0 +1,2 @@
+/bin
+.vscode/

.idea/.gitignore

@@ -1,3 +0,0 @@
-# Default ignored files
-/shelf/
-/workspace.xml

.idea/CPSC-499.iml

@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" inherit-compiler-output="true">
-    <exclude-output />
-    <content url="file://$MODULE_DIR$" />
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>

.idea/misc.xml

@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectRootManager" version="2" project-jdk-name="corretto-1.8" project-jdk-type="JavaSDK" />
-</project>

.idea/modules.xml

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/CPSC-499.iml" filepath="$PROJECT_DIR$/.idea/CPSC-499.iml" />
-    </modules>
-  </component>
-</project>

.idea/vcs.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="" vcs="Git" />
-  </component>
-</project>

ExprLexer.g4

@@ -1,230 +0,0 @@
-lexer grammar ExprLexer;
-
-// LINE TERMINATORS  -----------------------------------------------------------------------------------------------------------------------
-fragment LineTerminator: '\r' '\n'? |  '\n';
-
-//WHITE SPACE  ----------------------------------------------------------------------------------------------------------------------------------------
-WhiteSpace: (' ' | '\t' | '\f' | LineTerminator) -> skip;
-
-//COMMENTS  --------------------------------------------------------------------------------------------------------------------------------------------------
-fragment EndOfLineComment:  '//' ~('\r' | '\n')* LineTerminator?;
-
-
-Comment: (TraditionalComment | EndOfLineComment) -> skip;
-
-fragment TraditionalComment:
-   '/*' NotStar CommentTail;
-
-fragment CommentTail: '*' CommentTailStar | NotStar ;
-
-fragment CommentTailStar:
-    '/' | '*' CommentTailStar | NotStarNotSlash CommentTail;
-
-fragment NotStar:
-    [^*] | LineTerminator;
-
-fragment NotStarNotSlash:
-    [^*/] | LineTerminator;
-
-// KEYWORDS  --------------------------------------------------------------------------------------------------------
-Abstract: 'abstract';
-Assert: 'assert';
-Boolean: 'boolean';
-Break: 'break';
-Byte: 'byte';
-Case: 'case';
-Catch: 'catch';
-Char: 'char';
-Class: 'class';
-Const: 'const';
-Continue: 'continue';
-Default: 'default';
-Do: 'do';
-Double: 'double';
-Else: 'else';
-Extends: 'extends';
-Final: 'final';
-Finally: 'finally';
-Float: 'float';
-For: 'for';
-Goto: 'goto';
-If: 'if';
-Implements: 'implements';
-Import: 'import';
-InstanceOf: 'instanceof';
-Int: 'int';
-Interface: 'interface';
-Long: 'long';
-Native: 'native';
-New: 'new';
-Package: 'package';
-Private: 'private';
-Protected: 'protected';
-Public: 'public';
-Return: 'return';
-Short: 'short';
-Static: 'static';
-Strictfp: 'strictfp';
-Super: 'super';
-Switch: 'switch';
-Synchronized: 'synchronized';
-This: 'this';
-Throw: 'throw';
-Throws: 'throws';
-Transient: 'transient';
-Try: 'try';
-Void: 'void';
-Volatile: 'volatile';
-While: 'while';
-
-Dot: '.';
-// LITERALS  -------------------------------------------------------------------------------------------------------------------
-IntegerLiteral: DecimalIntegerLiteral | HexIntegerLiteral | OctalIntegerLiteral;
-
-fragment DecimalIntegerLiteral:
-    DecimalNumeral IntegerTypeSuffix?;
-
-fragment HexIntegerLiteral:
-    HexNumeral IntegerTypeSuffix?;
-
-fragment OctalIntegerLiteral:
-    OctalNumeral IntegerTypeSuffix?;
-
-fragment IntegerTypeSuffix:
-    [lL];
-
-fragment DecimalNumeral:
-    '0' | NonZeroDigit Digits?;
-
-fragment HexNumeral:
-    '0' 'x' HexDigits | '0' 'X' HexDigits;
-
-fragment HexDigits:
-    HexDigit | HexDigit HexDigits;
-
-fragment HexDigit:
-    [0-9a-fA-F];
-
-FloatingPointLiteral: Digits '.' Digits? ExponentPart? FloatTypeSuffix?
-                     | '.' Digits ExponentPart? FloatTypeSuffix?
-                     | Digits ExponentPart FloatTypeSuffix?
-                     | Digits ExponentPart? FloatTypeSuffix;
-
-fragment ExponentPart:
-    ExponentIndicator SignedInteger;
-
-fragment ExponentIndicator:
-    [eE];
-
-fragment SignedInteger:
-    Sign? Digits;
-
-fragment Digits:
-    Digit+;
-
-fragment Digit:
-    '0' | NonZeroDigit;
-
-fragment NonZeroDigit:
-    [1-9];
-
-fragment Sign:
-    [+-];
-
-fragment FloatTypeSuffix:
-    [fFdD];
-
-CharacterLiteral: '\'' SingleCharacter '\'' | '\'' EscapeSequence '\'';
-
-fragment SingleCharacter:
-    [^'\\];
-
-StringLiteral: '"' StringCharacters? '"';
-
-fragment StringCharacters:
-    StringCharacter+;
-
-fragment StringCharacter:
-    SingleCharacter | EscapeSequence;
-
-fragment EscapeSequence:
-    '\\' ('u0008' | 'u0009' | 'u000a' | 'u000c' | 'u000d' | 'u0022' | 'u0027' | 'u005c' | OctalEscape);
-
-fragment OctalEscape:
-    '\\' OctalDigit | '\\' OctalDigit OctalDigit | '\\' ZeroToThree OctalDigit OctalDigit;
-
-fragment OctalNumeral:
-    '0' OctalDigits;
-
-fragment OctalDigits:
-    OctalDigit;
-
-fragment OctalDigit:
-    [0-7];
-
-fragment ZeroToThree:
-    [0-3];
-
-BooleanLiteral: 'true' | 'false' ;
-
-NullLiteral: 'null';
-
-//SEPRATORS  -------------------------------------------------------------------------------------------------------------------------
-ParenthesesLeft: '(';
-ParenthesesRight: ')';
-CurlyBracketLeft: '{';
-CurlyBracketRight: '}';
-SquareBracketLeft: '[';
-SquareBracketRight: ']';
-Semicolon: ';';
-Comma: ',';
-
-
-//OPERATORS  ---------------------------------------------------------------------------------------------------------------------------------------
-UnsignedRightShiftAssign: '>>>=';
-EqualTo: '==';
-NotEqualTo: '!=';
-LessThanEqualTo: '<=';
-GreaterThanEqualTo: '>=';
-ConditionalAND: '&&';
-ConditionalOR: '||';
-Increment: '++';
-Decrement: '--';
-LeftShift: '<<';
-SignedRightShift: '>>';
-UnsignedRightShift: '>>>';
-AddAssign: '+=';
-SubtractAssign: '-=';
-MultiplyAssign: '*=';
-DivideAssign: '/=';
-BitwiseANDAssign: '&=';
-BitwiseORAssign: '|=';
-BitwiseXORAssign: '^=';
-RemainderAssign: '%=';
-LeftShiftAssign: '<<=';
-SignedRightShiftAssign: '>>=';
-Assignment: '=';
-BitwiseComplement: '~';
-LessThan: '<';
-GreaterThan: '>';
-LogicalComplement: '!';
-Question: '?';
-Colon: ':';
-Addition: '+';
-Subtraction: '-';
-Multiplication: '*';
-Division: '/';
-BitwiseAND: '&';
-BitwiseOR: '|';
-BitwiseXOR: '^';
-Remainder: '%';
-
-
-//IDENTIFIERS  -------------------------------------------------------------------------------------------------------------------------------------------
-
-IDENTIFIER: JavaLetter JavaLetterOrDigit*;
-fragment JavaLetter:
-    [a-zA-Z$_];
-
-fragment JavaLetterOrDigit:
-    [A-Za-z0-9$_];

ExprParser.g4

@@ -1,248 +0,0 @@
-parser grammar ExprParser;
-
-options {
-    tokenVocab=ExprLexer;
-}
-prog: compilationUnit EOF;
-identifier: IDENTIFIER;
-
-qualifiedIdentifier: identifier (Dot identifier)*;
-
-literal:  IntegerLiteral
-         | FloatingPointLiteral
-         | CharacterLiteral
-         | StringLiteral
-         | BooleanLiteral
-         | NullLiteral;
-//Section 15.26: Assignment Operators
-expression: unaryExpr assignmentOperator expression | conditionalExpr ;
-
-//Highest Prescedence _Expr = expression
-//CI cha 6
-conditionalExpr: logicalOrExpr Question conditionalExpr Colon conditionalExpr | logicalOrExpr;
-
-logicalOrExpr: logicalAndExpr (ConditionalOR logicalAndExpr)*;
-
-logicalAndExpr: equalityExpr (ConditionalAND equalityExpr)*;
-
-equalityExpr: relationalExpr ((EqualTo | NotEqualTo) relationalExpr)*;
-
-relationalExpr: additiveExpr((LessThan | GreaterThan | LessThanEqualTo | GreaterThanEqualTo) additiveExpr | InstanceOf type)*;
-
-additiveExpr: multiplicativeExpr((Addition | Subtraction) multiplicativeExpr)*;
-multiplicativeExpr: unaryExpr((Multiplication | Division | Remainder) unaryExpr)*;
-
-unaryExpr:postfixExpr |(Addition | Subtraction | LogicalComplement | BitwiseComplement | Increment | Decrement) unaryExpr | parExpression type unaryExpr;
-
-postfixExpr: primaryExpr (Increment| Decrement| Dot IDENTIFIER | SquareBracketLeft expression SquareBracketRight | arguments)*;
-
-primaryExpr: parExpression
-            | IntegerLiteral
-            | FloatingPointLiteral
-            | StringLiteral
-            | CharacterLiteral
-            | BooleanLiteral
-            | NullLiteral
-            | IDENTIFIER
-            | This
-            | Super (Dot IDENTIFIER)?
-            | New type  arguments
-            | primitiveType (SquareBracketLeft SquareBracketRight)* Dot Class
-            | type Dot Class;
-
-
-assignmentOperator: Assignment
-                  | AddAssign
-                  | SubtractAssign
-                  | MultiplyAssign
-                  | DivideAssign
-                  | BitwiseANDAssign
-                  | BitwiseORAssign
-                  | BitwiseXORAssign
-                  | RemainderAssign
-                  | LeftShiftAssign
-                  | SignedRightShiftAssign
-                  | UnsignedRightShiftAssign;
-
-type: identifier (Dot identifier)* bracketsOpt | primitiveType;
-
-statementExpression: expression;
-
-constantExpression: expression;
-
-identifierSuffix:  SquareBracketLeft SquareBracketRight bracketsOpt Dot Class
-                |SquareBracketLeft expression SquareBracketRight
-                |arguments
-                |Dot (Class | This | Super arguments New innerCreator);
-
-postfixOp:  Increment | Decrement;
-
-primitiveType:  Byte | Short| Char | Int| Long| Float| Double| Boolean;
-//Method arguments
-argumentsOpt: (arguments)?;
-
-arguments: ParenthesesLeft (expression (Comma expression)*)? ParenthesesRight;
-
-bracketsOpt: (SquareBracketLeft SquareBracketRight)*;
-
-creator: qualifiedIdentifier ( arrayCreatorRest | classCreatorRest);
-
-innerCreator: identifier classCreatorRest;
-
-arrayCreatorRest: SquareBracketLeft SquareBracketRight bracketsOpt arrayInitializer
-| SquareBracketLeft expression SquareBracketRight (SquareBracketLeft expression SquareBracketRight)*;
-classCreatorRest: arguments (classBody)?;
-
-arrayInitializer: CurlyBracketLeft (variableInitializer(Comma variableInitializer)*(Comma)?)? CurlyBracketRight;
-
-variableInitializer: arrayInitializer
-|expression;
-
-parExpression: ParenthesesLeft expression ParenthesesRight;
-
-block: CurlyBracketLeft blockStatements CurlyBracketRight;
-
-blockStatements: (blockStatement)*;
-
-blockStatement: localVariableDeclarationStatement
-                |classOrInterfaceDeclaration
-                |(identifier Colon)? statement;
-
-localVariableDeclarationStatement: (Final)? type variableDeclarators;
-
-statement:completeIf | If parExpression statementIncompleteIf;
-
-statementIncompleteIf: block
-                    | If parExpression completeIf Else statementIncompleteIf
-                    | For ParenthesesLeft forInit? Semicolon (expression)? Semicolon forUpdate? ParenthesesRight statement
-                    | While parExpression statement
-                    | Do statement While parExpression Semicolon
-                    | Try block catches
-                    | Try block Finally block
-                    | Try block catches Finally block
-                    | switchStatement
-                    | Synchronized parExpression block
-                    | Return (expression)? Semicolon
-                    | Throw expression Semicolon
-                    | Break (identifier)? Semicolon
-                    | Continue (identifier)? Semicolon
-                    | statementExpression Semicolon
-                    | Semicolon;
-//solve ambiguity over If()else. aka (Dangling else).
-//this will do the longest check by looking for an else section, fincding the closest else!
-completeIf: If parExpression completeIf Else completeIf | statementIncompleteIf;
-
-catches: catchClause (catchClause)*;
-
-catchClause: Catch ParenthesesLeft formalParameter ParenthesesRight block;
-
-switchStatement: Switch parExpression CurlyBracketLeft CurlyBracketRight
-               | Switch parExpression CurlyBracketLeft switchBlockStatementGroups? CurlyBracketRight;
-
-switchBlockStatementGroups: (switchBlockStatementGroup)*;
-
-switchBlockStatementGroup: switchLabel blockStatements;
-
-switchLabel: Case constantExpression Colon
-           | Default Colon;
-moreStatementExpressions: (Comma statementExpression)*;
-
-forInit: statementExpression moreStatementExpressions
-       | (Final)? type variableDeclarators;
-
-forUpdate: statementExpression moreStatementExpressions;
-
-modifiersOpt: (modifier)*;
-
-modifier: Public
-        | Protected
-        | Private
-        | Static
-        | Abstract
-        | Final
-        | Native
-        | Synchronized
-        | Transient
-        | Volatile
-        | Strictfp;
-
-variableDeclarators: variableDeclarator (Comma variableDeclarator)*;
-
-variableDeclaratorsRest: variableDeclaratorRest (Comma variableDeclarator)*;
-
-constantDeclaratorsRest: constantDeclaratorRest (Comma constantDeclarator)*;
-
-variableDeclarator: identifier variableDeclaratorsRest;
-
-constantDeclarator: identifier constantDeclaratorRest;
-
-variableDeclaratorRest: bracketsOpt (Assignment variableInitializer)?;
-
-constantDeclaratorRest: bracketsOpt Assignment variableInitializer;
-
-variableDeclaratorId: identifier bracketsOpt;
-
-compilationUnit: (Package qualifiedIdentifier Semicolon)? (importDeclaration)*(typeDeclaration)*;
-
-importDeclaration: Import identifier (Dot identifier)* (Dot Multiplication)? Semicolon;
-
-typeDeclaration: classOrInterfaceDeclaration | Semicolon;
-
-classOrInterfaceDeclaration: modifiersOpt (classDeclaration | interfaceDeclaration);
-
-classDeclaration: Class identifier (Extends type)? (Implements typeList)? classBody;
-
-interfaceDeclaration: Interface identifier (Extends typeList)? interfaceBody;
-
-typeList: type (Comma type)*;
-
-classBody: CurlyBracketLeft (classBodyDeclaration)* CurlyBracketRight;
-
-interfaceBody: CurlyBracketLeft (interfaceBodyDeclaration)* CurlyBracketRight;
-
-classBodyDeclaration: Semicolon
-                    | (Static)? block
-                    | modifiersOpt memberDecl;
-memberDecl: methodOrFieldDecl
-           | Void identifier methodDeclaratorRest
-           | identifier constructorDeclaratorRest
-           | classOrInterfaceDeclaration;
-
-methodOrFieldDecl: type identifier methodOrFieldRest;
-
-methodOrFieldRest: variableDeclaratorRest
-                  |methodDeclaratorRest;
-
-interfaceBodyDeclaration: Semicolon
-                        | modifiersOpt interfaceMemberDecl;
-
-interfaceMemberDecl: interfaceMethodOrFieldDecl
-                   | Void identifier voidInterfaceMethodDeclaratorRest
-                   | classOrInterfaceDeclaration;
-
-interfaceMethodOrFieldDecl: type identifier interfaceMethodOrFieldRest;
-
-interfaceMethodOrFieldRest: constantDeclaratorRest Semicolon
-                           | interfaceMethodDeclaratorRest;
-
-methodDeclaratorRest: formalParameters bracketsOpt (Throws qualifiedIdentifierList)?(methodBody | Semicolon);
-
-voidMethodDeclaratorRest: formalParameters (Throws qualifiedIdentifierList)? (methodBody | Semicolon);
-
-interfaceMethodDeclaratorRest: formalParameters bracketsOpt (Throws qualifiedIdentifierList)? Semicolon;
-
-voidInterfaceMethodDeclaratorRest: formalParameters (Throws qualifiedIdentifierList)?;
-
-constructorDeclaratorRest: formalParameters (Throws qualifiedIdentifierList)? methodBody;
-
-qualifiedIdentifierList: qualifiedIdentifier (Comma qualifiedIdentifier)*;
-
-formalParameters: ParenthesesLeft (formalParameter (Comma formalParameter)*)? ParenthesesRight;
-
-formalParameter: (Final)? type variableDeclaratorId;
-
-methodBody: block;
-
-
-
-

ExprSyntactic.g4

@@ -1,248 +0,0 @@
-parser grammar ExprSyntactic;
-
-options {
-    tokenVocab=ExprLexer;
-}
-prog: compilationUnit EOF;
-identifier: IDENTIFIER;
-
-qualifiedIdentifier: identifier (Dot identifier)*;
-
-literal:  IntegerLiteral
-         | FloatingPointLiteral
-         | CharacterLiteral
-         | StringLiteral
-         | BooleanLiteral
-         | NullLiteral;
-//Section 15.26: Assignment Operators
-expression: unaryExpr assignmentOperator expression | conditionalExpr ;
-
-//Highest Prescedence _Expr = expression
-//CI cha 6
-conditionalExpr: logicalOrExpr Question conditionalExpr Colon conditionalExpr | logicalOrExpr;
-
-logicalOrExpr: logicalAndExpr (ConditionalOR logicalAndExpr)*;
-
-logicalAndExpr: equalityExpr (ConditionalAND equalityExpr)*;
-
-equalityExpr: relationalExpr ((EqualTo | NotEqualTo) relationalExpr)*;
-
-relationalExpr: additiveExpr((LessThan | GreaterThan | LessThanEqualTo | GreaterThanEqualTo) additiveExpr | InstanceOf type)*;
-
-additiveExpr: multiplicativeExpr((Addition | Subtraction) multiplicativeExpr)*;
-multiplicativeExpr: unaryExpr((Multiplication | Division | Remainder) unaryExpr)*;
-
-unaryExpr:postfixExpr |(Addition | Subtraction | LogicalComplement | BitwiseComplement | Increment | Decrement) unaryExpr | parExpression type unaryExpr;
-
-postfixExpr: primaryExpr (Increment| Decrement| Dot IDENTIFIER | SquareBracketLeft expression SquareBracketRight | arguments)*;
-
-primaryExpr: parExpression
-            | IntegerLiteral
-            | FloatingPointLiteral
-            | StringLiteral
-            | CharacterLiteral
-            | BooleanLiteral
-            | NullLiteral
-            | IDENTIFIER
-            | This
-            | Super (Dot IDENTIFIER)?
-            | New type  arguments
-            | primitiveType (SquareBracketLeft SquareBracketRight)* Dot Class
-            | type Dot Class;
-
-
-assignmentOperator: Assignment
-                  | AddAssign
-                  | SubtractAssign
-                  | MultiplyAssign
-                  | DivideAssign
-                  | BitwiseANDAssign
-                  | BitwiseORAssign
-                  | BitwiseXORAssign
-                  | RemainderAssign
-                  | LeftShiftAssign
-                  | SignedRightShiftAssign
-                  | UnsignedRightShiftAssign;
-
-type: identifier (Dot identifier)* bracketsOpt | primitiveType;
-
-statementExpression: expression;
-
-constantExpression: expression;
-
-identifierSuffix:  SquareBracketLeft SquareBracketRight bracketsOpt Dot Class
-                |SquareBracketLeft expression SquareBracketRight
-                |arguments
-                |Dot (Class | This | Super arguments New innerCreator);
-
-postfixOp:  Increment | Decrement;
-
-primitiveType:  Byte | Short| Char | Int| Long| Float| Double| Boolean;
-//Method arguments
-argumentsOpt: (arguments)?;
-
-arguments: ParenthesesLeft (expression (Comma expression)*)? ParenthesesRight;
-
-bracketsOpt: (SquareBracketLeft SquareBracketRight)*;
-
-creator: qualifiedIdentifier ( arrayCreatorRest | classCreatorRest);
-
-innerCreator: identifier classCreatorRest;
-
-arrayCreatorRest: SquareBracketLeft SquareBracketRight bracketsOpt arrayInitializer
-| SquareBracketLeft expression SquareBracketRight (SquareBracketLeft expression SquareBracketRight)*;
-classCreatorRest: arguments (classBody)?;
-
-arrayInitializer: CurlyBracketLeft (variableInitializer(Comma variableInitializer)*(Comma)?)? CurlyBracketRight;
-
-variableInitializer: arrayInitializer
-|expression;
-
-parExpression: ParenthesesLeft expression ParenthesesRight;
-
-block: CurlyBracketLeft blockStatements CurlyBracketRight;
-
-blockStatements: (blockStatement)*;
-
-blockStatement: localVariableDeclarationStatement
-                |classOrInterfaceDeclaration
-                |(identifier Colon)? statement;
-
-localVariableDeclarationStatement: (Final)? type variableDeclarators;
-
-statement:completeIf | If parExpression statementIncompleteIf;
-
-statementIncompleteIf: block
-                    | If parExpression completeIf Else statementIncompleteIf
-                    | For ParenthesesLeft forInit? Semicolon (expression)? Semicolon forUpdate? ParenthesesRight statement
-                    | While parExpression statement
-                    | Do statement While parExpression Semicolon
-                    | Try block catches
-                    | Try block Finally block
-                    | Try block catches Finally block
-                    | switchStatement
-                    | Synchronized parExpression block
-                    | Return (expression)? Semicolon
-                    | Throw expression Semicolon
-                    | Break (identifier)? Semicolon
-                    | Continue (identifier)? Semicolon
-                    | statementExpression Semicolon
-                    | Semicolon;
-//solve ambiguity over If()else. aka (Dangling else).
-//this will do the longest check by looking for an else section, fincding the closest else!
-completeIf: If parExpression completeIf Else completeIf | statementIncompleteIf;
-
-catches: catchClause (catchClause)*;
-
-catchClause: Catch ParenthesesLeft formalParameter ParenthesesRight block;
-
-switchStatement: Switch parExpression CurlyBracketLeft CurlyBracketRight
-               | Switch parExpression CurlyBracketLeft switchBlockStatementGroups? CurlyBracketRight;
-
-switchBlockStatementGroups: (switchBlockStatementGroup)*;
-
-switchBlockStatementGroup: switchLabel blockStatements;
-
-switchLabel: Case constantExpression Colon
-           | Default Colon;
-moreStatementExpressions: (Comma statementExpression)*;
-
-forInit: statementExpression moreStatementExpressions
-       | (Final)? type variableDeclarators;
-
-forUpdate: statementExpression moreStatementExpressions;
-
-modifiersOpt: (modifier)*;
-
-modifier: Public
-        | Protected
-        | Private
-        | Static
-        | Abstract
-        | Final
-        | Native
-        | Synchronized
-        | Transient
-        | Volatile
-        | Strictfp;
-
-variableDeclarators: variableDeclarator (Comma variableDeclarator)*;
-
-variableDeclaratorsRest: variableDeclaratorRest (Comma variableDeclarator)*;
-
-constantDeclaratorsRest: constantDeclaratorRest (Comma constantDeclarator)*;
-
-variableDeclarator: identifier variableDeclaratorsRest;
-
-constantDeclarator: identifier constantDeclaratorRest;
-
-variableDeclaratorRest: bracketsOpt (Assignment variableInitializer)?;
-
-constantDeclaratorRest: bracketsOpt Assignment variableInitializer;
-
-variableDeclaratorId: identifier bracketsOpt;
-
-compilationUnit: (Package qualifiedIdentifier Semicolon)? (importDeclaration)*(typeDeclaration)*;
-
-importDeclaration: Import identifier (Dot identifier)* (Dot Multiplication)? Semicolon;
-
-typeDeclaration: classOrInterfaceDeclaration | Semicolon;
-
-classOrInterfaceDeclaration: modifiersOpt (classDeclaration | interfaceDeclaration);
-
-classDeclaration: Class identifier (Extends type)? (Implements typeList)? classBody;
-
-interfaceDeclaration: Interface identifier (Extends typeList)? interfaceBody;
-
-typeList: type (Comma type)*;
-
-classBody: CurlyBracketLeft (classBodyDeclaration)* CurlyBracketRight;
-
-interfaceBody: CurlyBracketLeft (interfaceBodyDeclaration)* CurlyBracketRight;
-
-classBodyDeclaration: Semicolon
-                    | (Static)? block
-                    | modifiersOpt memberDecl;
-memberDecl: methodOrFieldDecl
-           | Void identifier methodDeclaratorRest
-           | identifier constructorDeclaratorRest
-           | classOrInterfaceDeclaration;
-
-methodOrFieldDecl: type identifier methodOrFieldRest;
-
-methodOrFieldRest: variableDeclaratorRest
-                  |methodDeclaratorRest;
-
-interfaceBodyDeclaration: Semicolon
-                        | modifiersOpt interfaceMemberDecl;
-
-interfaceMemberDecl: interfaceMethodOrFieldDecl
-                   | Void identifier voidInterfaceMethodDeclaratorRest
-                   | classOrInterfaceDeclaration;
-
-interfaceMethodOrFieldDecl: type identifier interfaceMethodOrFieldRest;
-
-interfaceMethodOrFieldRest: constantDeclaratorRest Semicolon
-                           | interfaceMethodDeclaratorRest;
-
-methodDeclaratorRest: formalParameters bracketsOpt (Throws qualifiedIdentifierList)?(methodBody | Semicolon);
-
-voidMethodDeclaratorRest: formalParameters (Throws qualifiedIdentifierList)? (methodBody | Semicolon);
-
-interfaceMethodDeclaratorRest: formalParameters bracketsOpt (Throws qualifiedIdentifierList)? Semicolon;
-
-voidInterfaceMethodDeclaratorRest: formalParameters (Throws qualifiedIdentifierList)?;
-
-constructorDeclaratorRest: formalParameters (Throws qualifiedIdentifierList)? methodBody;
-
-qualifiedIdentifierList: qualifiedIdentifier (Comma qualifiedIdentifier)*;
-
-formalParameters: ParenthesesLeft (formalParameter (Comma formalParameter)*)? ParenthesesRight;
-
-formalParameter: (Final)? type variableDeclaratorId;
-
-methodBody: block;
-
-
-
-

ExprTool.java

@@ -1,105 +0,0 @@
-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Paths;
-import java.util.Scanner;
-
-import org.antlr.v4.runtime.*;
-import org.antlr.v4.runtime.tree.*;
-import org.antlr.v4.runtime.misc.ParseCancellationException;
-
-public class ExprTool {
-    public static void main(String[] args) throws Exception {
-        if (args.length == 0) {
-            // If no files given then read from stdin
-            Scanner scanner = new Scanner(System.in);
-            StringBuilder inputBuilder = new StringBuilder();
-            while (scanner.hasNextLine()) {
-                inputBuilder.append(scanner.nextLine()).append("\n");
-            }
-            scanner.close();
-
-            parseAndWalk(inputBuilder.toString(), "<stdin>");
-        } else {
-            // for Loop through all given file paths 
-            for (String filePath : args) {
-                try {
-                    String inputText = new String(Files.readAllBytes(Paths.get(filePath)));
-                    parseAndWalk(inputText, filePath);
-                } catch (IOException e) {
-                    System.err.println("Error reading file: " + filePath);
-                }
-            }
-        }
-    }
-
-    // Reusable parsing + walking
-    private static void parseAndWalk(String inputText, String sourceName) {
-        try {
-            // Create char stream
-            CharStream input = CharStreams.fromString(inputText, sourceName);
-
-            // Lexer
-            ExprLexer lexer = new ExprLexer(input);
-            lexer.removeErrorListeners();
-            lexer.addErrorListener(new ThrowingErrorListener());
-
-            // Tokens
-            CommonTokenStream tokens = new CommonTokenStream(lexer);
-
-            // Parser
-            ExprParser parser = new ExprParser(tokens);
-            parser.removeErrorListeners();
-            parser.addErrorListener(new ThrowingErrorListener());
-
-            // Parse compilation unit
-            ParseTree tree = parser.compilationUnit();
-
-            // Walk
-            ParseTreeWalker walker = new ParseTreeWalker();
-            walker.walk(new ClassPrinter(sourceName), tree);
-
-        } catch (RuntimeException e) {
-            System.err.println("Parsing failed: " + e.getMessage());
-        }
-    }
-
-    // Listener to print class declarations with line/column
-    public static class ClassPrinter extends ExprParserBaseListener {
-        private final String sourceName;
-
-        public ClassPrinter(String sourceName) {
-            this.sourceName = sourceName;
-        }
-
-        @Override
-        public void enterClassDeclaration(ExprParser.ClassDeclarationContext ctx) {
-            int line = ctx.getStart().getLine();
-            int col = ctx.getStart().getCharPositionInLine();
-            String className = ctx.identifier().getText();
-            System.out.printf("Class %s, file %s, line %d, column %d%n",
-                              className, sourceName, line, col);
-        }
-    }
-
-    // Custom error listener
-    public static class ThrowingErrorListener extends BaseErrorListener {
-        @Override
-        public void syntaxError(Recognizer<?, ?> recognizer,
-                                Object offendingSymbol,
-                                int line, int charPositionInLine,
-                                String msg,
-                                RecognitionException e) {
-            String sourceName = recognizer.getInputStream().getSourceName();
-            if (sourceName == null || sourceName.isEmpty()) {
-                sourceName = "<unknown>";
-            }
-
-            String formatted = String.format(
-                " file %s, line %d, column %d%n%s",
-                sourceName, line, charPositionInLine, msg
-            );
-
-            throw new ParseCancellationException(formatted);
-        }
-    }
-}

README.md

@@ -1 +1,467 @@
-# CPSC-499
+## Termanology
+1. Forward Slice => All statements that could be affected if you change a given statement.
+2. AIS = Actualy Impacted Set (Manully calcualte the expected outcome)
+3. EIS = Estimated Impacted Set (The set extracted from the outcome of the program)
+
+
+### Run
+```bash
+chmod +x run.sh
+# Show all dependencies for a file
+./run.sh examples/Example1.java
+# Analyze impact of line 3
+./run.sh examples/Example1.java 3
+```
+
+# Testing
+## Test1 simple data flow
+### Line 3 (int x = 5;)
+AIS = {3, 4, 5, 6}
+
+```bash
+=== Impact Analysis for Line 3 ===
+
+Statement(s) at line 3:
+  1: int x = 5 ;
+
+=== IMPACTED LINES ===
+  Line 3
+  Line 4
+  Line 5
+  Line 6
+
+Total: 4 lines impacted
+```
+1. TP: {3, 4, 5, 6} |TP| = 4
+2. FP: {} |FP| = 0
+3. FN: {} |FN| = 0
+4. TN: {} |TN| = 0
+
+
+### Line 4 (int y = x + 2;)
+AIS = {4,5,6}
+
+```bash
+=== Impact Analysis for Line 4 ===
+
+Statement(s) at line 4:
+  2: int y = x + 2 ;
+
+=== IMPACTED LINES ===
+  Line 4
+  Line 5
+  Line 6
+
+Total: 3 lines impacted
+```
+1. TP: {4, 5, 6} |TP| = 3
+2. FP: {} |FP| = 0
+3. FN: {} |FN| = 0
+4. TN: {} |TN| = 0
+
+***
+
+## Test2 Control Dependency
+### Change at Line 5 (if (x > 5))
+AIS = {5, 6, 8, 9}
+
+```bash
+=== Impact Analysis for Line 5 ===
+
+Statement(s) at line 5:
+  3: if ( x > 5 )
+
+=== IMPACTED LINES ===
+  Line 5
+  Line 8
+  Line 9
+
+Total: 3 lines impacted
+```
+1. TP: {5, 8, 9} |TP| = 3
+2. FP: {} |FP| = 0
+3. FN: {6} |FN| = 1
+4. TN: {} |TN| = 0
+
+### Change at Line 3 (int x = 10;)
+AIS = {3, 5, 6, 8, 9}
+```bash
+=== Impact Analysis for Line 3 ===
+
+Statement(s) at line 3:
+  1: int x = 10 ;
+
+=== IMPACTED LINES ===
+  Line 3
+  Line 5
+  Line 6
+  Line 8
+  Line 9
+
+Total: 5 lines impacted
+```
+1. TP: {3, 5, 6, 8, 9} |TP| = 5
+2. FP: {} |FP| = 0
+3. FN: {} |FN| = 0
+4. TN: {} |TN| = 0
+
+
+***
+
+## Test3 Simple Loop
+### Change at Line 3 (int sum = 0;)
+AIS = {3, 6, 8}
+```Bash
+=== Impact Analysis for Line 3 ===
+
+Statement(s) at line 3:
+  1: int sum = 0 ;
+
+=== IMPACTED LINES ===
+  Line 3
+  Line 6
+  Line 8
+
+Total: 3 lines impacted
+```
+1. TP: {3, 6, 8} |TP| = 3
+2. FP: {} |FP| = 0
+3. FN: {} |FN| = 0
+4. TN: {} |TN| = 0
+
+### Change at Line 5 (for loop heading)
+AIS = {5, 6, 8}
+```Bash
+=== Impact Analysis for Line 5 ===
+
+Statement(s) at line 5:
+  3: for ( i = 0 ; i < 5 ; i ++ )
+  4: block
+
+=== IMPACTED LINES ===
+  Line 5
+  Line 6
+  Line 8
+
+Total: 3 lines impacted
+```
+1. TP: {5, 6, 8} |TP| = 3
+2. FP: {} |FP| = 0
+3. FN: {} |FN| = 0
+4. TN: {} |TN| = 0
+
+***
+
+## Test4 If-Else Branch
+### Change at Line 5 (if (x > 5))
+AIS = {5, 6, 8, 10, 11}
+```Bash
+=== Impact Analysis for Line 5 ===
+
+Statement(s) at line 5:
+  4: block
+  3: if ( x > 5 )
+
+=== IMPACTED LINES ===
+  Line 5
+  Line 6
+  Line 7
+  Line 8
+  Line 10
+  Line 11
+
+Total: 6 lines impacted
+```
+1. TP: {5, 6, 7, 8, 10, 11} |TP| = 6
+2. FP: {} |FP| = 0
+3. FN: {7} |FN| = 1
+4. TN: {} |TN| = 0
+
+### Change at Line 6 (y = x + 10;)
+AIS = {6, 10, 11}
+```bash
+=== Impact Analysis for Line 6 ===
+
+Statement(s) at line 6:
+  5: y = x + 10 ;
+
+=== IMPACTED LINES ===
+  Line 6
+
+Total: 1 lines impacted
+```
+1. TP: {6} |TP| = 1
+2. FP: {} |FP| = 0
+3. FN: {10, 11} |FN| = 2
+4. TN: {} |TN| = 0
+
+***
+
+## Test5 Multiple Uses va
+### Change at Line 3 (int a = 5;)
+AIS = {3, 4, 5, 6, 7}
+```Bash
+=== Impact Analysis for Line 3 ===
+
+Statement(s) at line 3:
+  1: int a = 5 ;
+
+=== IMPACTED LINES ===
+  Line 3
+  Line 4
+  Line 5
+  Line 6
+  Line 7
+
+Total: 5 lines impacted
+```
+1. TP: {3, 4, 5, 6, 7} |TP| = 5
+2. FP: {} |FP| = 0
+3. FN: {} |FN| = 0
+4. TN: {} |TN| = 0
+
+### Change at Line 4 (int b = a + 2;)
+AIS = {4, 6, 7}
+```Bash
+=== Impact Analysis for Line 4 ===
+
+Statement(s) at line 4:
+  2: int b = a + 2 ;
+
+=== IMPACTED LINES ===
+  Line 4
+  Line 6
+  Line 7
+
+Total: 3 lines impacted
+```
+1. TP: {4, 6, 7} |TP| = 3
+2. FP: {} |FP| = 0
+3. FN: {} |FN| = 0
+4. TN: {} |TN| = 0
+
+***
+
+## Test6 Nested Control
+### Change at Line 5 (if (x > 5))
+AIS = {5, 6, 7, 10, 11}
+```bash
+=== Impact Analysis for Line 5 ===
+
+Statement(s) at line 5:
+  4: block
+  3: if ( x > 5 )
+
+=== IMPACTED LINES ===
+  Line 5
+  Line 6
+  Line 7
+  Line 10
+  Line 11
+
+Total: 5 lines impacted
+```
+1. TP: {5, 6, 7, 10, 11} |TP| = 5
+2. FP: {} |FP| = 0
+3. FN: {} |FN| = 0
+4. TN: {} |TN| = 0
+
+### Change at Line 6 (if (x > 8))
+AIS = {6, 7, 10, 11}
+```bash
+=== Impact Analysis for Line 6 ===
+
+Statement(s) at line 6:
+  5: if ( x > 8 )
+  6: block
+
+=== IMPACTED LINES ===
+  Line 6
+  Line 7
+  Line 10
+  Line 11
+
+Total: 4 lines impacted
+```
+1. TP: {6, 7, 10, 11} |TP| = 4
+2. FP: {} |FP| = 0
+3. FN: {} |FN| = 0
+4. TN: {} |TN| = 0
+
+***
+
+## Test7 While Loop
+### Change at Line 5 (while (count < 5))
+AIS = {5, 6, 7, 9}
+```bash
+=== Impact Analysis for Line 5 ===
+
+Statement(s) at line 5:
+  3: while ( count < 5 )
+  4: block
+
+=== IMPACTED LINES ===
+  Line 5
+  Line 6
+  Line 7
+  Line 9
+
+Total: 4 lines impacted
+```
+1. TP: {5, 6, 7, 9} |TP| = 4
+2. FP: {} |FP| = 0
+3. FN: {} |FN| = 0
+4. TN: {} |TN| = 0
+
+### Change at Line 3 (int count = 0;)
+AIS = {3, 5, 6, 7, 9}
+```bash
+=== Impact Analysis for Line 3 ===
+
+Statement(s) at line 3:
+  1: int count = 0 ;
+
+=== IMPACTED LINES ===
+  Line 3
+  Line 5
+  Line 6
+  Line 7
+  Line 9
+
+Total: 5 lines impacted
+```
+1. TP: {3, 5, 6, 7, 9} |TP| = 5
+2. FP: {} |FP| = 0
+3. FN: {} |FN| = 0
+4. TN: {} |TN| = 0
+***
+
+## Test8 Reassignment
+### Change at Line 3 (int x = 5;)
+AIS = {3, 4, 7}
+```bash
+=== Impact Analysis for Line 3 ===
+
+Statement(s) at line 3:
+  1: int x = 5 ;
+
+=== IMPACTED LINES ===
+  Line 3
+  Line 4
+  Line 7
+
+Total: 3 lines impacted
+```
+1. TP: {3, 4, 7} |TP| = 3
+2. FP: {} |FP| = 0
+3. FN: {} |FN| = 0
+4. TN: {} |TN| = 0
+
+### Change at Line 5 (x = 10;)
+AIS = {5, 6, 8}
+```bash
+=== Impact Analysis for Line 5 ===
+
+Statement(s) at line 5:
+  3: x = 10 ;
+
+=== IMPACTED LINES ===
+  Line 5
+  Line 6
+  Line 8
+
+Total: 3 lines impacted
+```
+1. TP: {5, 6, 8} |TP| = 3
+2. FP: {} |FP| = 0
+3. FN: {} |FN| = 0
+4. TN: {} |TN| = 0
+
+***
+
+## Test9 No Impact
+### Change at Line 4 (int y = 10;)
+AIS = {4, 6, 8}
+```bash
+=== Impact Analysis for Line 4 ===
+
+Statement(s) at line 4:
+  2: int y = 10 ;
+
+=== IMPACTED LINES ===
+  Line 4
+  Line 6
+  Line 8
+
+Total: 3 lines impacted
+```
+1. TP: {4, 6, 8} |TP| = 3
+2. FP: {} |FP| = 0
+3. FN: {} |FN| = 0
+4. TN: {} |TN| = 0
+
+### Change at Line 3 (int x = 5;)
+AIS = {3, 5, 7}
+```bash
+=== Impact Analysis for Line 3 ===
+
+Statement(s) at line 3:
+  1: int x = 5 ;
+
+=== IMPACTED LINES ===
+  Line 3
+  Line 5
+  Line 7
+
+Total: 3 lines impacted
+```
+1. TP: {3, 5, 7} |TP| = 3
+2. FP: {} |FP| = 0
+3. FN: {} |FN| = 0
+4. TN: {} |TN| = 0
+
+***
+
+## Test10 Complex Expression
+### Change at Line 3 (int a = 2;)
+AIS = {3, 6, 7, 8, 9}
+```bash
+=== Impact Analysis for Line 3 ===
+
+Statement(s) at line 3:
+  1: int a = 2 ;
+
+=== IMPACTED LINES ===
+  Line 3
+  Line 6
+  Line 7
+  Line 8
+  Line 9
+
+Total: 5 lines impacted
+```
+1. TP: {3, 6, 7, 8, 9} |TP| = 5
+2. FP: {} |FP| = 0
+3. FN: {} |FN| = 0
+4. TN: {} |TN| = 0
+
+### Change at Line 8 (if (x > 5))
+AIS = {8, 9}
+
+```bash
+=== Impact Analysis for Line 8 ===
+
+Statement(s) at line 8:
+  6: if ( x > 5 )
+  7: block
+
+=== IMPACTED LINES ===
+  Line 8
+  Line 9
+
+Total: 2 lines impacted
+```
+1. TP: {8, 9} |TP| = 2
+2. FP: {} |FP| = 0
+3. FN: {} |FN| = 0
+4. TN: {} |TN| = 0

Test/BadTaxApp.java

@@ -1,45 +0,0 @@
-package Test
-
-abstract class TaxCalculator {
-    protected double income
-
-    public TaxCalculator(double income {
-        this.income = income
-    }
-    public abstract double calculateTax()
-
-    public double afterTaxIncome() {
-        return income - calculateTax()
-    
-}
-class FlatTaxCalculator extends TaxCalculator {
-    private static final double RATE = 0.15
-    public FlatTaxCalculator(double income) super(income)
-    public double calculateTax() {
-        return income * RATE
-    }
-
-public class TaxApp {
-    static class BracketTaxCalculator extends TaxCalculator {
-        public BracketTaxCalculator(double income) 
-            super(income)
-
-        public double calculateTax() {
-            if (income <= 10000) return income * 0.10
-            else if (income <= 50000) return (10000 * 0.10) + ((income - 10000) * 0.20)
-            else return (10000 * 0.10) + (40000 * 0.20) + ((income - 50000) * 0.30)
-        }
-    }
-
-    public static void main(String[] args) {
-        double income = 60000
-
-        TaxCalculator flat = new FlatTaxCalculator(income)
-        double flatTax = flat.calculateTax()
-        double flatAfterTax = flat.afterTaxIncome()
-
-        TaxCalculator bracket = new BracketTaxCalculator(income)
-        double bracketTax = bracket.calculateTax()
-        double bracketAfterTax = bracket.afterTaxIncome()
-    }
-}

Test/TaxApp.java

@@ -1,44 +0,0 @@
-package Test;
-abstract class TaxCalculator {
-    protected double income;
-
-    public TaxCalculator(double income) {
-        this.income = income;
-    }
-    public abstract double calculateTax();
-    public double afterTaxIncome() {
-        return income - calculateTax();
-    }
-}
-class FlatTaxCalculator extends TaxCalculator {
-    private static final double RATE = 0.15;
-    public FlatTaxCalculator(double income) {super(income);}
-    public double calculateTax() {
-        return income * RATE;
-    }
-}
-
-public class TaxApp {
-    static class BracketTaxCalculator extends TaxCalculator {
-        public BracketTaxCalculator(double income) {
-            super(income);
-        }
-        public double calculateTax() {
-            if (income <= 10000) {return income * 0.10;} 
-            else if (income <= 50000) { return (10000 * 0.10) + ((income - 10000) * 0.20);}
-            else { return (10000 * 0.10) + (40000 * 0.20) + ((income - 50000) * 0.30);}
-        }
-    }
-
-    public static void main(String[] args) {
-        double income = 60000;
-
-        TaxCalculator flat = new FlatTaxCalculator(income);
-        double flatTax = flat.calculateTax();
-        double flatAfterTax = flat.afterTaxIncome();
-
-        TaxCalculator bracket = new BracketTaxCalculator(income);
-        double bracketTax = bracket.calculateTax();
-        double bracketAfterTax = bracket.afterTaxIncome();
-    }
-}

run.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+
+if [ "$1" = "clean" ]; then
+    rm -rf bin
+    shift
+fi
+
+
+if [ "$#" -lt 1 ]; then
+    echo "Usage: ./run.sh <file> [line]"
+    echo "Example: ./run.sh examples/Example1.java 3"
+    exit 1
+fi
+
+# Check for antlr jar
+if [ ! -f "lib/antlr-4.13.2-complete.jar" ]; then
+    echo "ERROR: Put antlr-4.13.2-complete.jar in lib/"
+    exit 1
+fi
+
+# Build if needed be
+if [ ! -d "bin/pdg" ]; then
+    echo "Building..."
+    mkdir -p bin
+    CP="lib/antlr-4.13.2-complete.jar"
+    javac -d bin -cp "$CP" src/org/lsmr/cfg/*.java || exit 1
+    javac -d bin -cp "$CP:bin" src/pdg/PDG.java || exit 1
+    javac -d bin -cp "$CP:bin" src/CFGBuilder.java src/CIA.java || exit 1
+    echo "Build complete!"
+fi
+
+# Run
+java -cp "bin:lib/antlr-4.13.2-complete.jar" CIA "$@"

src/CFGBuilder.java

@@ -0,0 +1,81 @@
+import org.lsmr.cfg.*;
+import org.antlr.v4.runtime.*;
+import org.antlr.v4.runtime.tree.*;
+import java.io.*;
+import java.util.*;
+
+public class CFGBuilder {
+
+    /**
+     * Build CFG from a Java file
+     */
+    public ControlFlowGraph buildFromFile(String filename) throws IOException {
+        System.out.println("\n\tBuilding CFG from " + filename);
+
+        // Parse the file
+        CharStream input = CharStreams.fromFileName(filename);
+        Java1_4Lexer lexer = new Java1_4Lexer(input);
+        CommonTokenStream tokens = new CommonTokenStream(lexer);
+        Java1_4Parser parser = new Java1_4Parser(tokens);
+
+        parser.removeErrorListeners();
+
+        ParseTree tree = parser.compilationUnit();
+
+        // build CFG using professor's NodeBuilder
+        NodeBuilder builder = new NodeBuilder();
+        builder.visit(tree);
+
+        List<ControlFlowGraph> cfgs = builder.getCFGs();
+
+        if (cfgs.isEmpty()) {
+            throw new RuntimeException("No methods found in file");
+        }
+
+        if (cfgs.size() > 1) {
+            System.out.println("Note: File has " + cfgs.size() + " methods, using first method");
+        }
+
+        ControlFlowGraph cfg = cfgs.get(0);
+
+        System.out.println("CFG built: " + cfg.nodes().size() + " nodes, " + cfg.edges().size() + " edges");
+
+        return cfg;
+    }
+
+    public int getLineNumber(Node node) {
+        return node.getLineNumber();
+    }
+
+    public List<Node> findNodesAtLine(ControlFlowGraph cfg, int lineNumber) {
+        List<Node> result = new ArrayList<>();
+        for (Node node : cfg.nodes()) {
+            if (getLineNumber(node) == lineNumber) {
+                result.add(node);
+            }
+        }
+        return result;
+    }
+
+    public void printLineMapping(ControlFlowGraph cfg) {
+        System.out.println("\n Line Number Mapping");
+        Map<Integer, List<String>> lineToNodes = new TreeMap<>();
+
+        for (Node node : cfg.nodes()) {
+            int line = getLineNumber(node);
+            if (line > 0) {
+                lineToNodes.putIfAbsent(line, new ArrayList<>());
+                lineToNodes.get(line).add(node.label());
+            }
+        }
+
+        for (Map.Entry<Integer, List<String>> entry : lineToNodes.entrySet()) {
+            System.out.println("Line " + entry.getKey() + ":");
+            for (String label : entry.getValue()) {
+                System.out.println("  " + label);
+            }
+        }
+        System.out.println();
+    }
+
+}

src/CIA.java

@@ -0,0 +1,148 @@
+import org.lsmr.cfg.*;
+import pdg.PDG;
+import java.io.*;
+import java.util.*;
+
+/**
+ * Change Impact Analysis (CIA) Tool
+ *
+ * This tool performs program dependence graph (PDG) analysis on Java source files
+ * to identify which lines of code are impacted by changes to a specific line.
+ *
+ * The analysis works by:
+ * 1. Building a Control Flow Graph (CFG) from the source code
+ * 2. Constructing a Program Dependence Graph (PDG) with control and data dependencies
+ * 3. Computing forward slices to determine impact
+ *
+ * Usage: java CIA <java-file> [line-number]
+ */
+public class CIA {
+  /**
+   * Main entry point for the Change Impact Analysis tool.
+   * Validates arguments and initiates the PDG analysis.
+   *
+   * @param args Command line arguments: [0] = filename, [1] = optional line number
+   */
+    public static void main(String[] args) {
+        if (args.length < 1) {
+            System.err.println("Usage: java PDGTool <java-file> [line-number]");
+            System.exit(1);
+        }
+
+        String filename = args[0];
+        Integer targetLine = args.length > 1 ? Integer.parseInt(args[1]) : null;
+
+        try {
+            analyzePDG(filename, targetLine);
+        } catch (Exception e) {
+            System.err.println("Error: " + e.getMessage());
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+  /**
+   * Performs PDG analysis on the specified Java file.
+   *
+   * This method orchestrates the complete analysis workflow:
+   * 1. Builds the Control Flow Graph (CFG)
+   * 2. Constructs the Program Dependence Graph (PDG)
+   * 3. Either displays all dependencies or computes impact for a specific line
+   *
+   * @param filename Path to the Java source file to analyze
+   * @param targetLine Optional line number to analyze for change impact (null for all dependencies)
+   * @throws IOException If file cannot be read or parsed
+   */
+    private static void analyzePDG(String filename, Integer targetLine) throws IOException {
+        System.out.println("PDG Analysis Tool");
+        System.out.println("File: " + filename);
+        if (targetLine != null) {
+            System.out.println("Target line: " + targetLine);
+        }
+
+        // Step 1: Build CFG
+        CFGBuilder cfgBuilder = new CFGBuilder();
+        ControlFlowGraph cfg = cfgBuilder.buildFromFile(filename);
+
+        // Step 2: Build PDG
+        PDG pdg = new PDG(cfg);
+
+        // Step 3: Show results
+        System.out.println("\n=== Available Lines ===");
+
+        List<Integer> lines = cfg.getAllLineNumbers();
+        System.out.println("Lines with statements: " + lines);
+
+        // If specific line requested, compute impact
+        if (targetLine != null) {
+            computeImpact(cfg, pdg, cfgBuilder, targetLine);
+        } else {
+            // Show all dependencies
+            System.out.println("\n=== All Dependencies ===");
+            pdg.printPDG();
+            cfgBuilder.printLineMapping(cfg);
+        }
+
+    }
+
+    /**
+    * Computes and displays the change impact for a specific line of code.
+    *
+    * Change impact is determined by computing a forward slice from the target line,
+    * which identifies all statements that could be affected by modifying the target.
+    * This includes both direct dependencies (data flow) and indirect dependencies
+    * (control flow).
+    *
+    * @param cfg The Control Flow Graph of the program
+    * @param pdg The Program Dependence Graph containing dependency information
+    * @param cfgBuilder The CFG builder for line number mapping
+    * @param targetLine The line number to analyze for change impact
+    */
+    private static void computeImpact(ControlFlowGraph cfg, PDG pdg,
+            CFGBuilder cfgBuilder, int targetLine) {
+        System.out.println("\n=== Impact Analysis for Line " + targetLine + " ===");
+
+        // Find nodes at target line
+        List<Node> nodesAtLine = cfgBuilder.findNodesAtLine(cfg, targetLine);
+
+        if (nodesAtLine.isEmpty()) {
+            System.out.println("WARNING: No executable statement at line " + targetLine);
+            return;
+        }
+
+        System.out.println("\nStatement(s) at line " + targetLine + ":");
+        for (Node node : nodesAtLine) {
+            System.out.println("  " + node.label());
+        }
+
+        // Compute forward slice: all nodes reachable via dependencies
+        // The forward slice represents all statements that could be affected
+        // by changes to the target line
+        Set<String> allImpacted = new HashSet<>();
+        for (Node node : nodesAtLine) {
+            Set<String> impacted = pdg.computeForwardSlice(node.label());
+            allImpacted.addAll(impacted);
+        }
+
+        // Convert to line numbers
+        Set<Integer> impactedLines = new TreeSet<>();
+        for (Node node : cfg.nodes()) {
+            if (allImpacted.contains(node.label())) {
+                int line = cfgBuilder.getLineNumber(node);
+                if (line > 0) {
+                    impactedLines.add(line);
+                }
+            }
+        }
+
+        System.out.println("\n=== IMPACTED LINES ===");
+        if (impactedLines.isEmpty()) {
+            System.out.println("  (none)");
+        } else {
+            for (int line : impactedLines) {
+                System.out.println("  Line " + line);
+            }
+            System.out.println("\nTotal: " + impactedLines.size() + " lines impacted");
+        }
+    }
+}

src/org/lsmr/cfg/ControlFlowGraph.java

@@ -0,0 +1,312 @@
+package org.lsmr.cfg;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.antlr.v4.runtime.tree.ParseTree;
+import org.lsmr.cfg.Edge.EdgeLabel;
+import org.lsmr.cfg.Java1_4Parser.StatementContext;
+
+/**
+ * Represents mathematical graphs. Each graph contains a set of nodes, each of
+ * which will refer to this graph as its container, and a set of edges, each of
+ * which will refer to this graph as its container and to two nodes that must be
+ * in this graph. To guarantee that these constraints be met, nodes and edges
+ * are read-only and have to be created indirectly from the graph in which they
+ * exist.
+ */
+public class ControlFlowGraph {
+	/**
+	 * Represents the entry point of this CFG. This will have no in-edges, but at
+	 * least one out-edge.
+	 */
+	public Node entry;
+
+	/**
+	 * Represents the exit point of this CFG for normal returns. This will have no
+	 * out-edges, but at least one in-edge.
+	 */
+	public Node normalExit;
+
+	/**
+	 * Represents the exit point of this CFG for exception throws. This will have no
+	 * out-edges, but at least one in-edge.
+	 */
+	public Node abruptExit;
+
+	private Map<String, List<Node>> nodes = new HashMap<>();
+	private List<Edge> edges = new ArrayList<>();
+	private String name;
+
+	/**
+	 * Determines if this CFG contains the indicated node, using the
+	 * {@link Node#equals(Object)} method.
+	 * 
+	 * @param n
+	 *          The node to look for.
+	 * @return true if this CFG contains the indicated node; otherwise, false.
+	 */
+	public boolean containsNode(Node n) {
+		String label = n.label();
+		List<Node> list = nodes.get(label);
+
+		return list.contains(n);
+	}
+
+	/**
+	 * Constructor
+	 * 
+	 * @param name
+	 *             The name of the graph. Cannot be null or empty.
+	 * @throws IllegalArgumentException
+	 *                                  If the name is null or empty.
+	 */
+	public ControlFlowGraph(String name) {
+		if (name == null || name.length() < 1)
+			throw new IllegalArgumentException();
+
+		this.name = name;
+
+		String entryLabel = "*ENTRY*";
+		entry = new Node(entryLabel);
+		entry.setGraph(this);
+		nodes.put(entryLabel, new ArrayList<>(Arrays.asList(entry)));
+
+		String exitLabel = "*EXIT*";
+		normalExit = new Node(exitLabel);
+		normalExit.setGraph(this);
+		nodes.put(exitLabel, new ArrayList<>(Arrays.asList(normalExit)));
+
+		String abruptExitLabel = "*THROWN*";
+		abruptExit = new Node(abruptExitLabel);
+		abruptExit.setGraph(this);
+		nodes.put(abruptExitLabel, new ArrayList<>(Arrays.asList(abruptExit)));
+	}
+
+	/**
+	 * Accesses the set of nodes defined on this graph.
+	 * 
+	 * @return An immutable set of all nodes defined on this graph.
+	 */
+	public List<Node> nodes() {
+		ArrayList<Node> result = new ArrayList<>();
+
+		for (List<Node> list : nodes.values())
+			result.addAll(list);
+
+		return Collections.unmodifiableList(result);
+	}
+
+	public List<Integer> getAllLineNumbers() {
+		List<Integer> lineNumbers = new ArrayList<>();
+
+		for (List<Node> listNodes : this.nodes.values()) {
+			for (Node n : listNodes) {
+				lineNumbers.add(n.getLineNumber());
+			}
+		}
+		return lineNumbers;
+	}
+
+	/**
+	 * Accesses the set of edges defined on this graph.
+	 * 
+	 * @return An immutable set of all edges defined on this graph.
+	 */
+	public List<Edge> edges() {
+		return Collections.unmodifiableList(edges);
+	}
+
+	/**
+	 * Accesses the first node with label as its label.
+	 * 
+	 * @param label
+	 *              The label to locate. Must not be null.
+	 * @return The first node with the indicated label, or null if nonesuch exists.
+	 */
+	public Node findNode(String label) {
+		List<Node> list = nodes.get(label);
+
+		if (list != null && list.size() > 0)
+			return list.get(0);
+
+		return null;
+	}
+
+	/**
+	 * Accesses the first node with label as its label.
+	 * 
+	 * @param label
+	 *              The label to locate. Must not be null.
+	 * @return The first node with the indicated label, or null if nonesuch exists.
+	 */
+	public List<Node> findNodes(String label) {
+		List<Node> list = nodes.get(label);
+
+		if (list != null)
+			return Collections.unmodifiableList(list);
+
+		return null;
+	}
+
+	/**
+	 * Builds a node on this graph with the indicated label.
+	 * 
+	 * @param label
+	 *              A label for the new node that may be used in identifying it.
+	 *              Cannot be null or empty.
+	 * @return The newly created node.
+	 * @throws IllegalArgumentException
+	 *                                  If the label is null or empty.
+	 */
+	public Node buildNode(String label) {
+		if (label == null || label.length() < 1)
+			throw new IllegalArgumentException();
+
+		Node node = new Node(label);
+		List<Node> list;
+
+		if (nodes.containsKey(label))
+			list = nodes.get(label);
+		else {
+			list = new ArrayList<>();
+			nodes.put(label, list);
+		}
+
+		list.add(node);
+		node.setGraph(this);
+
+		return node;
+	}
+
+	/**
+	 * Builds an edge on this graph with the indicated label.
+	 * 
+	 * @param source
+	 *               The source node. Cannot be null.
+	 * @param target
+	 *               The target node. Cannot be null.
+	 * @param label
+	 *               A label for the new edge that may be used in identifying it.
+	 *               Cannot be null or empty.
+	 * @return The newly created edge.
+	 * @throws IllegalArgumentException
+	 *                                  If the label is null or empty or either of
+	 *                                  the indicated nodes is
+	 *                                  null.
+	 */
+	public Edge buildEdge(Node source, Node target, EdgeLabel label) {
+		if (source == null || label == null)
+			throw new IllegalArgumentException();
+
+		Edge edge = new Edge(source, target, label);
+
+		edges.add(edge);
+		edge.setGraph(this);
+		source.addOutEdge(edge);
+
+		if (target != null)
+			target.addInEdge(edge);
+
+		return edge;
+	}
+
+	/**
+	 * Builds an edge on this graph with the indicated label.
+	 * 
+	 * @param source
+	 *                      The source node. Cannot be null.
+	 * @param target
+	 *                      The target node. Cannot be null.
+	 * @param label
+	 *                      A label for the new edge that may be used in identifying
+	 *                      it.
+	 *                      Cannot be null or empty.
+	 * @param extendedLabel
+	 *                      An extension to the label for the new edge that may be
+	 *                      used in
+	 *                      identifying it.
+	 * @return The newly created edge.
+	 * @throws IllegalArgumentException
+	 *                                  If the label is null or empty or either of
+	 *                                  the indicated nodes is
+	 *                                  null.
+	 */
+	public Edge buildEdge(Node source, Node target, EdgeLabel label, String extendedLabel) {
+		if (source == null || label == null)
+			throw new IllegalArgumentException();
+
+		Edge edge = new Edge(source, target, label, extendedLabel);
+
+		edges.add(edge);
+		edge.setGraph(this);
+		source.addOutEdge(edge);
+
+		if (target != null)
+			target.addInEdge(edge);
+
+		return edge;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (!(obj instanceof ControlFlowGraph))
+			return false;
+
+		ControlFlowGraph other = (ControlFlowGraph) obj;
+
+		return areEqual(nodes, other.nodes) && areEqual(edges, other.edges);
+	}
+
+	private static boolean areEqual(Map<String, List<Node>> nodes1, Map<String, List<Node>> nodes2) {
+		List<Node> list1 = new ArrayList<>();
+		List<Node> list2 = new ArrayList<>();
+
+		for (List<Node> nodeList : nodes1.values())
+			list1.addAll(nodeList);
+
+		for (List<Node> nodeList : nodes2.values())
+			list2.addAll(nodeList);
+
+		if (list1.size() != list2.size())
+			return false;
+
+		for (Node n : list1)
+			if (!list2.contains(n))
+				return false;
+
+		return true;
+	}
+
+	private static boolean areEqual(List<Edge> edges1, List<Edge> edges2) {
+		if (edges1.size() != edges2.size())
+			return false;
+
+		for (Edge edge : edges1) {
+			if (!edges2.contains(edge))
+				return false;
+		}
+
+		return true;
+	}
+
+	public String toString() {
+		StringBuilder sb = new StringBuilder();
+
+		sb.append("graph ");
+		sb.append(name);
+		sb.append(": nodes [");
+		sb.append(nodes.toString());
+		sb.append("], edges [");
+		sb.append(edges.toString());
+		sb.append("]");
+
+		return sb.toString();
+	}
+}

src/org/lsmr/cfg/Edge.java

@@ -0,0 +1,207 @@
+package org.lsmr.cfg;
+
+import java.util.Set;
+
+/**
+ * Represents an edge in a graph. During construction of a graph, it can be that
+ * edges are not fully initialized on a first pass.
+ */
+public class Edge {
+
+	/**
+	 * The legal labels to use on edges.
+	 */
+	public static enum EdgeLabel {
+		/**
+		 * Represents a default edge without no label to test for branching.
+		 */
+		BLANK,
+		/**
+		 * Represents a true branch.
+		 */
+		TRUE,
+		/**
+		 * Represents a false branch.
+		 */
+		FALSE,
+		/**
+		 * Represents a branch taken when an exception is thrown.
+		 */
+		THROWN,
+		/**
+		 * Represents a branch taken when an exception is thrown but delayed for completion in a finally block.
+		 */
+		THROWN_DELAYED,
+		/**
+		 * Represents a branch taken when an exception is definitively caught.
+		 */
+		CAUGHT,
+		/**
+		 * Represents a branch taken when the corresponding extended label is matched.
+		 */
+		CASE;
+
+		public String toString() {
+			switch(this) {
+			case BLANK:
+				return "";
+
+			default:
+				return super.toString();
+			}
+		}
+	}
+
+	private Node source;
+	Node target;
+	private EdgeLabel label;
+	private String extendedLabel;
+	private ControlFlowGraph graph;
+
+	Edge(Node source, Node target, EdgeLabel label) {
+		this(source, target, label, "");
+	}
+
+	Edge(Node source, Node target, EdgeLabel label, String extendedLabel) {
+		if(source == null || label == null)
+			throw new IllegalArgumentException();
+
+		this.source = source;
+		this.target = target;
+		this.label = label;
+		this.extendedLabel = extendedLabel;
+	}
+
+	/**
+	 * Represents the source node for this edge.
+	 * 
+	 * @return The source node. Should not be null.
+	 */
+	public Node source() {
+		return source;
+	}
+
+	/**
+	 * Represents the target node for this edge.
+	 * 
+	 * @return The target node. May be null if it has not been fully initialized.
+	 */
+	public Node target() {
+		return target;
+	}
+
+	/**
+	 * Represents the kind of edge represented: BLANK if default.
+	 * 
+	 * @return The label of this edge. Should not be null.
+	 */
+	public EdgeLabel label() {
+		return label;
+	}
+
+	/**
+	 * Represents the extended label for edges whose labels cannot be purely
+	 * represented via an enum constant.
+	 * 
+	 * @return The extended label of this edge. Should not be null; may be empty.
+	 */
+	public String extendedLabel() {
+		return extendedLabel;
+	}
+
+	/**
+	 * Represents the graph in which this edge occurs.
+	 * 
+	 * @return The graph in which this edge occurs. Should not be null unless the
+	 *             edge is not fully initialized.
+	 */
+	public ControlFlowGraph graph() {
+		return graph;
+	}
+
+	void setTarget(Node target) {
+		if(target == null || target.graph() != graph)
+			throw new IllegalArgumentException();
+
+		this.target = target;
+
+		if(target != null)
+			target.addInEdge(this);
+	}
+
+	void setGraph(ControlFlowGraph graph) {
+		if(this.graph != null) {
+			if(graph == null)
+				this.graph = null;
+			else
+				throw new IllegalStateException("Non-null graph cannot be swapped to another.  Erase it first");
+		}
+		else if(graph == null)
+			throw new IllegalStateException("Null graph should not be set to null again");
+		else
+			this.graph = graph;
+
+		if(!graph.containsNode(source))
+			throw new IllegalStateException("Edge source not member of graph");
+
+		if(target != null && !graph.containsNode(target))
+			throw new IllegalStateException("Edge target not member of graph");
+	}
+
+	@Override
+	public int hashCode() {
+		int result = 17;
+
+		result = 31 * result + source.hashCode();
+		result = 31 * result + (target != null ? target.hashCode() : 0);
+
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if(obj instanceof Edge) {
+			Edge other = (Edge)obj;
+
+			if(label != null)
+				return label.equals(other.label);
+
+			if(source.equals(other.source)) {
+				if(target == null) {
+					if(other.target == null)
+						return true;
+				}
+				else
+					return target.equals(other.target);
+			}
+		}
+
+		return false;
+	}
+
+	public String toString() {
+		StringBuilder sb = new StringBuilder();
+
+		sb.append("edge");
+
+		String ls = label.toString();
+
+		if(ls != "") {
+			sb.append(" ");
+			sb.append(ls);
+
+			if(extendedLabel != null) {
+				sb.append(" ");
+				sb.append(extendedLabel);
+			}
+		}
+
+		sb.append(": (");
+		sb.append(source.label());
+		sb.append(", ");
+		sb.append(target == null ? "null" : target.label());
+		sb.append(")");
+
+		return sb.toString();
+	}
+}

src/org/lsmr/cfg/Java1_4Lexer.java

@@ -0,0 +1,891 @@
+// Generated from Java1_4Lexer.g4 by ANTLR 4.13.2
+
+	package org.lsmr.cfg;
+
+import org.antlr.v4.runtime.Lexer;
+import org.antlr.v4.runtime.CharStream;
+import org.antlr.v4.runtime.Token;
+import org.antlr.v4.runtime.TokenStream;
+import org.antlr.v4.runtime.*;
+import org.antlr.v4.runtime.atn.*;
+import org.antlr.v4.runtime.dfa.DFA;
+import org.antlr.v4.runtime.misc.*;
+
+@SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast", "CheckReturnValue", "this-escape"})
+public class Java1_4Lexer extends Lexer {
+	static { RuntimeMetaData.checkVersion("4.13.2", RuntimeMetaData.VERSION); }
+
+	protected static final DFA[] _decisionToDFA;
+	protected static final PredictionContextCache _sharedContextCache =
+		new PredictionContextCache();
+	public static final int
+		ABSTRACT=1, ASSERT=2, BOOLEAN=3, BREAK=4, BYTE=5, CASE=6, CATCH=7, CHAR=8, 
+		CLASS=9, CONTINUE=10, DEFAULT=11, DO=12, DOUBLE=13, ELSE=14, EXTENDS=15, 
+		FINAL=16, FINALLY=17, FLOAT=18, FOR=19, IF=20, IMPLEMENTS=21, IMPORT=22, 
+		INSTANCEOF=23, INT=24, INTERFACE=25, LONG=26, NATIVE=27, NEW=28, PACKAGE=29, 
+		PRIVATE=30, PROTECTED=31, PUBLIC=32, RETURN=33, SHORT=34, STATIC=35, STRICTFP=36, 
+		SUPER=37, SWITCH=38, SYNCHRONIZED=39, THIS=40, THROW=41, THROWS=42, TRANSIENT=43, 
+		TRY=44, VOID=45, VOLATILE=46, WHILE=47, SEMICOLON=48, COMMA=49, PERIOD=50, 
+		OPEN_PARENTHESIS=51, CLOSE_PARENTHESIS=52, OPEN_BRACE=53, CLOSE_BRACE=54, 
+		OPEN_BRACKET=55, CLOSE_BRACKET=56, COLON=57, QUESTION=58, EQUALS=59, PLUS=60, 
+		MINUS=61, ASTERISK=62, SLASH=63, PERCENT=64, DOUBLE_PLUS=65, DOUBLE_MINUS=66, 
+		EXCLAMATION=67, TILDE=68, DOUBLE_EQUALS=69, EXCLAMATION_EQUALS=70, LESS_THAN=71, 
+		GREATER_THAN=72, LESS_THAN_OR_EQUALS=73, GREATER_THAN_OR_EQUALS=74, DOUBLE_AMPERSAND=75, 
+		DOUBLE_PIPE=76, AMPERSAND=77, PIPE=78, CARET=79, DOUBLE_LESS_THAN=80, 
+		DOUBLE_GREATER_THAN=81, TRIPLE_GREATER_THAN=82, PLUS_EQUALS=83, MINUS_EQUALS=84, 
+		ASTERISK_EQUALS=85, SLASH_EQUALS=86, AMPERSAND_EQUALS=87, PIPE_EQUALS=88, 
+		CARET_EQUALS=89, PERCENT_EQUALS=90, DOUBLE_LESS_THAN_EQUALS=91, DOUBLE_GREATER_THAN_EQUALS=92, 
+		TRIPLE_GREATER_THAN_EQUALS=93, Identifier=94, IntegerLiteral=95, FloatingPointLiteral=96, 
+		CharacterLiteral=97, StringLiteral=98, BooleanLiteral=99, NullLiteral=100, 
+		WHITESPACE=101, LINE_COMMENT=102, COMMENT=103;
+	public static String[] channelNames = {
+		"DEFAULT_TOKEN_CHANNEL", "HIDDEN"
+	};
+
+	public static String[] modeNames = {
+		"DEFAULT_MODE"
+	};
+
+	private static String[] makeRuleNames() {
+		return new String[] {
+			"ABSTRACT", "ASSERT", "BOOLEAN", "BREAK", "BYTE", "CASE", "CATCH", "CHAR", 
+			"CLASS", "CONTINUE", "DEFAULT", "DO", "DOUBLE", "ELSE", "EXTENDS", "FINAL", 
+			"FINALLY", "FLOAT", "FOR", "IF", "IMPLEMENTS", "IMPORT", "INSTANCEOF", 
+			"INT", "INTERFACE", "LONG", "NATIVE", "NEW", "PACKAGE", "PRIVATE", "PROTECTED", 
+			"PUBLIC", "RETURN", "SHORT", "STATIC", "STRICTFP", "SUPER", "SWITCH", 
+			"SYNCHRONIZED", "THIS", "THROW", "THROWS", "TRANSIENT", "TRY", "VOID", 
+			"VOLATILE", "WHILE", "SEMICOLON", "COMMA", "PERIOD", "OPEN_PARENTHESIS", 
+			"CLOSE_PARENTHESIS", "OPEN_BRACE", "CLOSE_BRACE", "OPEN_BRACKET", "CLOSE_BRACKET", 
+			"COLON", "QUESTION", "EQUALS", "PLUS", "MINUS", "ASTERISK", "SLASH", 
+			"PERCENT", "DOUBLE_PLUS", "DOUBLE_MINUS", "EXCLAMATION", "TILDE", "DOUBLE_EQUALS", 
+			"EXCLAMATION_EQUALS", "LESS_THAN", "GREATER_THAN", "LESS_THAN_OR_EQUALS", 
+			"GREATER_THAN_OR_EQUALS", "DOUBLE_AMPERSAND", "DOUBLE_PIPE", "AMPERSAND", 
+			"PIPE", "CARET", "DOUBLE_LESS_THAN", "DOUBLE_GREATER_THAN", "TRIPLE_GREATER_THAN", 
+			"PLUS_EQUALS", "MINUS_EQUALS", "ASTERISK_EQUALS", "SLASH_EQUALS", "AMPERSAND_EQUALS", 
+			"PIPE_EQUALS", "CARET_EQUALS", "PERCENT_EQUALS", "DOUBLE_LESS_THAN_EQUALS", 
+			"DOUBLE_GREATER_THAN_EQUALS", "TRIPLE_GREATER_THAN_EQUALS", "Identifier", 
+			"JavaLetter", "JavaLetterOrDigit", "IntegerLiteral", "FloatingPointLiteral", 
+			"CharacterLiteral", "StringLiteral", "BooleanLiteral", "NullLiteral", 
+			"WHITESPACE", "LINE_COMMENT", "COMMENT"
+		};
+	}
+	public static final String[] ruleNames = makeRuleNames();
+
+	private static String[] makeLiteralNames() {
+		return new String[] {
+			null, "'abstract'", "'assert'", "'boolean'", "'break'", "'byte'", "'case'", 
+			"'catch'", "'char'", "'class'", "'continue'", "'default'", "'do'", "'double'", 
+			"'else'", "'extends'", "'final'", "'finally'", "'float'", "'for'", "'if'", 
+			"'implements'", "'import'", "'instanceof'", "'int'", "'interface'", "'long'", 
+			"'native'", "'new'", "'package'", "'private'", "'protected'", "'public'", 
+			"'return'", "'short'", "'static'", "'strictfp'", "'super'", "'switch'", 
+			"'synchronized'", "'this'", "'throw'", "'throws'", "'transient'", "'try'", 
+			"'void'", "'volatile'", "'while'", "';'", "','", "'.'", "'('", "')'", 
+			"'{'", "'}'", "'['", "']'", "':'", "'?'", "'='", "'+'", "'-'", "'*'", 
+			"'/'", "'%'", "'++'", "'--'", "'!'", "'~'", "'=='", "'!='", "'<'", "'>'", 
+			"'<='", "'>='", "'&&'", "'||'", "'&'", "'|'", "'^'", "'<<'", "'>>'", 
+			"'>>>'", "'+='", "'-='", "'*='", "'/='", "'&='", "'|='", "'^='", "'%='", 
+			"'<<='", "'>>='", "'>>>='", null, null, null, null, null, null, "'null'"
+		};
+	}
+	private static final String[] _LITERAL_NAMES = makeLiteralNames();
+	private static String[] makeSymbolicNames() {
+		return new String[] {
+			null, "ABSTRACT", "ASSERT", "BOOLEAN", "BREAK", "BYTE", "CASE", "CATCH", 
+			"CHAR", "CLASS", "CONTINUE", "DEFAULT", "DO", "DOUBLE", "ELSE", "EXTENDS", 
+			"FINAL", "FINALLY", "FLOAT", "FOR", "IF", "IMPLEMENTS", "IMPORT", "INSTANCEOF", 
+			"INT", "INTERFACE", "LONG", "NATIVE", "NEW", "PACKAGE", "PRIVATE", "PROTECTED", 
+			"PUBLIC", "RETURN", "SHORT", "STATIC", "STRICTFP", "SUPER", "SWITCH", 
+			"SYNCHRONIZED", "THIS", "THROW", "THROWS", "TRANSIENT", "TRY", "VOID", 
+			"VOLATILE", "WHILE", "SEMICOLON", "COMMA", "PERIOD", "OPEN_PARENTHESIS", 
+			"CLOSE_PARENTHESIS", "OPEN_BRACE", "CLOSE_BRACE", "OPEN_BRACKET", "CLOSE_BRACKET", 
+			"COLON", "QUESTION", "EQUALS", "PLUS", "MINUS", "ASTERISK", "SLASH", 
+			"PERCENT", "DOUBLE_PLUS", "DOUBLE_MINUS", "EXCLAMATION", "TILDE", "DOUBLE_EQUALS", 
+			"EXCLAMATION_EQUALS", "LESS_THAN", "GREATER_THAN", "LESS_THAN_OR_EQUALS", 
+			"GREATER_THAN_OR_EQUALS", "DOUBLE_AMPERSAND", "DOUBLE_PIPE", "AMPERSAND", 
+			"PIPE", "CARET", "DOUBLE_LESS_THAN", "DOUBLE_GREATER_THAN", "TRIPLE_GREATER_THAN", 
+			"PLUS_EQUALS", "MINUS_EQUALS", "ASTERISK_EQUALS", "SLASH_EQUALS", "AMPERSAND_EQUALS", 
+			"PIPE_EQUALS", "CARET_EQUALS", "PERCENT_EQUALS", "DOUBLE_LESS_THAN_EQUALS", 
+			"DOUBLE_GREATER_THAN_EQUALS", "TRIPLE_GREATER_THAN_EQUALS", "Identifier", 
+			"IntegerLiteral", "FloatingPointLiteral", "CharacterLiteral", "StringLiteral", 
+			"BooleanLiteral", "NullLiteral", "WHITESPACE", "LINE_COMMENT", "COMMENT"
+		};
+	}
+	private static final String[] _SYMBOLIC_NAMES = makeSymbolicNames();
+	public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);
+
+	/**
+	 * @deprecated Use {@link #VOCABULARY} instead.
+	 */
+	@Deprecated
+	public static final String[] tokenNames;
+	static {
+		tokenNames = new String[_SYMBOLIC_NAMES.length];
+		for (int i = 0; i < tokenNames.length; i++) {
+			tokenNames[i] = VOCABULARY.getLiteralName(i);
+			if (tokenNames[i] == null) {
+				tokenNames[i] = VOCABULARY.getSymbolicName(i);
+			}
+
+			if (tokenNames[i] == null) {
+				tokenNames[i] = "<INVALID>";
+			}
+		}
+	}
+
+	@Override
+	@Deprecated
+	public String[] getTokenNames() {
+		return tokenNames;
+	}
+
+	@Override
+
+	public Vocabulary getVocabulary() {
+		return VOCABULARY;
+	}
+
+
+	public Java1_4Lexer(CharStream input) {
+		super(input);
+		_interp = new LexerATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
+	}
+
+	@Override
+	public String getGrammarFileName() { return "Java1_4Lexer.g4"; }
+
+	@Override
+	public String[] getRuleNames() { return ruleNames; }
+
+	@Override
+	public String getSerializedATN() { return _serializedATN; }
+
+	@Override
+	public String[] getChannelNames() { return channelNames; }
+
+	@Override
+	public String[] getModeNames() { return modeNames; }
+
+	@Override
+	public ATN getATN() { return _ATN; }
+
+	public static final String _serializedATN =
+		"\u0004\u0000g\u02ef\u0006\uffff\uffff\u0002\u0000\u0007\u0000\u0002\u0001"+
+		"\u0007\u0001\u0002\u0002\u0007\u0002\u0002\u0003\u0007\u0003\u0002\u0004"+
+		"\u0007\u0004\u0002\u0005\u0007\u0005\u0002\u0006\u0007\u0006\u0002\u0007"+
+		"\u0007\u0007\u0002\b\u0007\b\u0002\t\u0007\t\u0002\n\u0007\n\u0002\u000b"+
+		"\u0007\u000b\u0002\f\u0007\f\u0002\r\u0007\r\u0002\u000e\u0007\u000e\u0002"+
+		"\u000f\u0007\u000f\u0002\u0010\u0007\u0010\u0002\u0011\u0007\u0011\u0002"+
+		"\u0012\u0007\u0012\u0002\u0013\u0007\u0013\u0002\u0014\u0007\u0014\u0002"+
+		"\u0015\u0007\u0015\u0002\u0016\u0007\u0016\u0002\u0017\u0007\u0017\u0002"+
+		"\u0018\u0007\u0018\u0002\u0019\u0007\u0019\u0002\u001a\u0007\u001a\u0002"+
+		"\u001b\u0007\u001b\u0002\u001c\u0007\u001c\u0002\u001d\u0007\u001d\u0002"+
+		"\u001e\u0007\u001e\u0002\u001f\u0007\u001f\u0002 \u0007 \u0002!\u0007"+
+		"!\u0002\"\u0007\"\u0002#\u0007#\u0002$\u0007$\u0002%\u0007%\u0002&\u0007"+
+		"&\u0002\'\u0007\'\u0002(\u0007(\u0002)\u0007)\u0002*\u0007*\u0002+\u0007"+
+		"+\u0002,\u0007,\u0002-\u0007-\u0002.\u0007.\u0002/\u0007/\u00020\u0007"+
+		"0\u00021\u00071\u00022\u00072\u00023\u00073\u00024\u00074\u00025\u0007"+
+		"5\u00026\u00076\u00027\u00077\u00028\u00078\u00029\u00079\u0002:\u0007"+
+		":\u0002;\u0007;\u0002<\u0007<\u0002=\u0007=\u0002>\u0007>\u0002?\u0007"+
+		"?\u0002@\u0007@\u0002A\u0007A\u0002B\u0007B\u0002C\u0007C\u0002D\u0007"+
+		"D\u0002E\u0007E\u0002F\u0007F\u0002G\u0007G\u0002H\u0007H\u0002I\u0007"+
+		"I\u0002J\u0007J\u0002K\u0007K\u0002L\u0007L\u0002M\u0007M\u0002N\u0007"+
+		"N\u0002O\u0007O\u0002P\u0007P\u0002Q\u0007Q\u0002R\u0007R\u0002S\u0007"+
+		"S\u0002T\u0007T\u0002U\u0007U\u0002V\u0007V\u0002W\u0007W\u0002X\u0007"+
+		"X\u0002Y\u0007Y\u0002Z\u0007Z\u0002[\u0007[\u0002\\\u0007\\\u0002]\u0007"+
+		"]\u0002^\u0007^\u0002_\u0007_\u0002`\u0007`\u0002a\u0007a\u0002b\u0007"+
+		"b\u0002c\u0007c\u0002d\u0007d\u0002e\u0007e\u0002f\u0007f\u0002g\u0007"+
+		"g\u0002h\u0007h\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0000\u0001"+
+		"\u0000\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0001\u0001"+
+		"\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001"+
+		"\u0002\u0001\u0002\u0001\u0002\u0001\u0002\u0001\u0002\u0001\u0002\u0001"+
+		"\u0002\u0001\u0002\u0001\u0003\u0001\u0003\u0001\u0003\u0001\u0003\u0001"+
+		"\u0003\u0001\u0003\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0004\u0001"+
+		"\u0004\u0001\u0005\u0001\u0005\u0001\u0005\u0001\u0005\u0001\u0005\u0001"+
+		"\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001"+
+		"\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\b\u0001\b"+
+		"\u0001\b\u0001\b\u0001\b\u0001\b\u0001\t\u0001\t\u0001\t\u0001\t\u0001"+
+		"\t\u0001\t\u0001\t\u0001\t\u0001\t\u0001\n\u0001\n\u0001\n\u0001\n\u0001"+
+		"\n\u0001\n\u0001\n\u0001\n\u0001\u000b\u0001\u000b\u0001\u000b\u0001\f"+
+		"\u0001\f\u0001\f\u0001\f\u0001\f\u0001\f\u0001\f\u0001\r\u0001\r\u0001"+
+		"\r\u0001\r\u0001\r\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001"+
+		"\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000f\u0001\u000f\u0001"+
+		"\u000f\u0001\u000f\u0001\u000f\u0001\u000f\u0001\u0010\u0001\u0010\u0001"+
+		"\u0010\u0001\u0010\u0001\u0010\u0001\u0010\u0001\u0010\u0001\u0010\u0001"+
+		"\u0011\u0001\u0011\u0001\u0011\u0001\u0011\u0001\u0011\u0001\u0011\u0001"+
+		"\u0012\u0001\u0012\u0001\u0012\u0001\u0012\u0001\u0013\u0001\u0013\u0001"+
+		"\u0013\u0001\u0014\u0001\u0014\u0001\u0014\u0001\u0014\u0001\u0014\u0001"+
+		"\u0014\u0001\u0014\u0001\u0014\u0001\u0014\u0001\u0014\u0001\u0014\u0001"+
+		"\u0015\u0001\u0015\u0001\u0015\u0001\u0015\u0001\u0015\u0001\u0015\u0001"+
+		"\u0015\u0001\u0016\u0001\u0016\u0001\u0016\u0001\u0016\u0001\u0016\u0001"+
+		"\u0016\u0001\u0016\u0001\u0016\u0001\u0016\u0001\u0016\u0001\u0016\u0001"+
+		"\u0017\u0001\u0017\u0001\u0017\u0001\u0017\u0001\u0018\u0001\u0018\u0001"+
+		"\u0018\u0001\u0018\u0001\u0018\u0001\u0018\u0001\u0018\u0001\u0018\u0001"+
+		"\u0018\u0001\u0018\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001"+
+		"\u0019\u0001\u001a\u0001\u001a\u0001\u001a\u0001\u001a\u0001\u001a\u0001"+
+		"\u001a\u0001\u001a\u0001\u001b\u0001\u001b\u0001\u001b\u0001\u001b\u0001"+
+		"\u001c\u0001\u001c\u0001\u001c\u0001\u001c\u0001\u001c\u0001\u001c\u0001"+
+		"\u001c\u0001\u001c\u0001\u001d\u0001\u001d\u0001\u001d\u0001\u001d\u0001"+
+		"\u001d\u0001\u001d\u0001\u001d\u0001\u001d\u0001\u001e\u0001\u001e\u0001"+
+		"\u001e\u0001\u001e\u0001\u001e\u0001\u001e\u0001\u001e\u0001\u001e\u0001"+
+		"\u001e\u0001\u001e\u0001\u001f\u0001\u001f\u0001\u001f\u0001\u001f\u0001"+
+		"\u001f\u0001\u001f\u0001\u001f\u0001 \u0001 \u0001 \u0001 \u0001 \u0001"+
+		" \u0001 \u0001!\u0001!\u0001!\u0001!\u0001!\u0001!\u0001\"\u0001\"\u0001"+
+		"\"\u0001\"\u0001\"\u0001\"\u0001\"\u0001#\u0001#\u0001#\u0001#\u0001#"+
+		"\u0001#\u0001#\u0001#\u0001#\u0001$\u0001$\u0001$\u0001$\u0001$\u0001"+
+		"$\u0001%\u0001%\u0001%\u0001%\u0001%\u0001%\u0001%\u0001&\u0001&\u0001"+
+		"&\u0001&\u0001&\u0001&\u0001&\u0001&\u0001&\u0001&\u0001&\u0001&\u0001"+
+		"&\u0001\'\u0001\'\u0001\'\u0001\'\u0001\'\u0001(\u0001(\u0001(\u0001("+
+		"\u0001(\u0001(\u0001)\u0001)\u0001)\u0001)\u0001)\u0001)\u0001)\u0001"+
+		"*\u0001*\u0001*\u0001*\u0001*\u0001*\u0001*\u0001*\u0001*\u0001*\u0001"+
+		"+\u0001+\u0001+\u0001+\u0001,\u0001,\u0001,\u0001,\u0001,\u0001-\u0001"+
+		"-\u0001-\u0001-\u0001-\u0001-\u0001-\u0001-\u0001-\u0001.\u0001.\u0001"+
+		".\u0001.\u0001.\u0001.\u0001/\u0001/\u00010\u00010\u00011\u00011\u0001"+
+		"2\u00012\u00013\u00013\u00014\u00014\u00015\u00015\u00016\u00016\u0001"+
+		"7\u00017\u00018\u00018\u00019\u00019\u0001:\u0001:\u0001;\u0001;\u0001"+
+		"<\u0001<\u0001=\u0001=\u0001>\u0001>\u0001?\u0001?\u0001@\u0001@\u0001"+
+		"@\u0001A\u0001A\u0001A\u0001B\u0001B\u0001C\u0001C\u0001D\u0001D\u0001"+
+		"D\u0001E\u0001E\u0001E\u0001F\u0001F\u0001G\u0001G\u0001H\u0001H\u0001"+
+		"H\u0001I\u0001I\u0001I\u0001J\u0001J\u0001J\u0001K\u0001K\u0001K\u0001"+
+		"L\u0001L\u0001M\u0001M\u0001N\u0001N\u0001O\u0001O\u0001O\u0001P\u0001"+
+		"P\u0001P\u0001Q\u0001Q\u0001Q\u0001Q\u0001R\u0001R\u0001R\u0001S\u0001"+
+		"S\u0001S\u0001T\u0001T\u0001T\u0001U\u0001U\u0001U\u0001V\u0001V\u0001"+
+		"V\u0001W\u0001W\u0001W\u0001X\u0001X\u0001X\u0001Y\u0001Y\u0001Y\u0001"+
+		"Z\u0001Z\u0001Z\u0001Z\u0001[\u0001[\u0001[\u0001[\u0001\\\u0001\\\u0001"+
+		"\\\u0001\\\u0001\\\u0001]\u0001]\u0005]\u0290\b]\n]\f]\u0293\t]\u0001"+
+		"^\u0003^\u0296\b^\u0001_\u0001_\u0003_\u029a\b_\u0001`\u0004`\u029d\b"+
+		"`\u000b`\f`\u029e\u0001a\u0004a\u02a2\ba\u000ba\fa\u02a3\u0001a\u0001"+
+		"a\u0005a\u02a8\ba\na\fa\u02ab\ta\u0001b\u0001b\u0001b\u0001b\u0003b\u02b1"+
+		"\bb\u0001b\u0001b\u0001c\u0001c\u0001c\u0001c\u0005c\u02b9\bc\nc\fc\u02bc"+
+		"\tc\u0001c\u0001c\u0001d\u0001d\u0001d\u0001d\u0001d\u0001d\u0001d\u0001"+
+		"d\u0001d\u0003d\u02c9\bd\u0001e\u0001e\u0001e\u0001e\u0001e\u0001f\u0004"+
+		"f\u02d1\bf\u000bf\ff\u02d2\u0001f\u0001f\u0001g\u0001g\u0001g\u0001g\u0005"+
+		"g\u02db\bg\ng\fg\u02de\tg\u0001g\u0001g\u0001h\u0001h\u0001h\u0001h\u0005"+
+		"h\u02e6\bh\nh\fh\u02e9\th\u0001h\u0001h\u0001h\u0001h\u0001h\u0001\u02e7"+
+		"\u0000i\u0001\u0001\u0003\u0002\u0005\u0003\u0007\u0004\t\u0005\u000b"+
+		"\u0006\r\u0007\u000f\b\u0011\t\u0013\n\u0015\u000b\u0017\f\u0019\r\u001b"+
+		"\u000e\u001d\u000f\u001f\u0010!\u0011#\u0012%\u0013\'\u0014)\u0015+\u0016"+
+		"-\u0017/\u00181\u00193\u001a5\u001b7\u001c9\u001d;\u001e=\u001f? A!C\""+
+		"E#G$I%K&M\'O(Q)S*U+W,Y-[.]/_0a1c2e3g4i5k6m7o8q9s:u;w<y={>}?\u007f@\u0081"+
+		"A\u0083B\u0085C\u0087D\u0089E\u008bF\u008dG\u008fH\u0091I\u0093J\u0095"+
+		"K\u0097L\u0099M\u009bN\u009dO\u009fP\u00a1Q\u00a3R\u00a5S\u00a7T\u00a9"+
+		"U\u00abV\u00adW\u00afX\u00b1Y\u00b3Z\u00b5[\u00b7\\\u00b9]\u00bb^\u00bd"+
+		"\u0000\u00bf\u0000\u00c1_\u00c3`\u00c5a\u00c7b\u00c9c\u00cbd\u00cde\u00cf"+
+		"f\u00d1g\u0001\u0000\u0007\u0294\u0000$$AZ__az\u00a2\u00a5\u00aa\u00aa"+
+		"\u00b5\u00b5\u00ba\u00ba\u00c0\u00d6\u00d8\u00f6\u00f8\u02af\u0370\u0373"+
+		"\u0376\u0377\u037b\u037d\u037f\u037f\u0386\u0386\u0388\u038a\u038c\u038c"+
+		"\u038e\u03a1\u03a3\u03f5\u03f7\u0481\u048a\u052f\u0531\u0556\u0560\u0588"+
+		"\u058f\u058f\u05d0\u05ea\u05ef\u05f2\u060b\u060b\u0620\u063f\u0641\u064a"+
+		"\u066e\u066f\u0671\u06d3\u06d5\u06d5\u06ee\u06ef\u06fa\u06fc\u06ff\u06ff"+
+		"\u0710\u0710\u0712\u072f\u074d\u07a5\u07b1\u07b1\u07ca\u07ea\u07fe\u0815"+
+		"\u0840\u0858\u0860\u086a\u0870\u0887\u0889\u088e\u08a0\u08c8\u0904\u0939"+
+		"\u093d\u093d\u0950\u0950\u0958\u0961\u0972\u0980\u0985\u098c\u098f\u0990"+
+		"\u0993\u09a8\u09aa\u09b0\u09b2\u09b2\u09b6\u09b9\u09bd\u09bd\u09ce\u09ce"+
+		"\u09dc\u09dd\u09df\u09e1\u09f0\u09f3\u09fb\u09fc\u0a05\u0a0a\u0a0f\u0a10"+
+		"\u0a13\u0a28\u0a2a\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59\u0a5c"+
+		"\u0a5e\u0a5e\u0a72\u0a74\u0a85\u0a8d\u0a8f\u0a91\u0a93\u0aa8\u0aaa\u0ab0"+
+		"\u0ab2\u0ab3\u0ab5\u0ab9\u0abd\u0abd\u0ad0\u0ad0\u0ae0\u0ae1\u0af1\u0af1"+
+		"\u0af9\u0af9\u0b05\u0b0c\u0b0f\u0b10\u0b13\u0b28\u0b2a\u0b30\u0b32\u0b33"+
+		"\u0b35\u0b39\u0b3d\u0b3d\u0b5c\u0b5d\u0b5f\u0b61\u0b71\u0b71\u0b83\u0b83"+
+		"\u0b85\u0b8a\u0b8e\u0b90\u0b92\u0b95\u0b99\u0b9a\u0b9c\u0b9c\u0b9e\u0b9f"+
+		"\u0ba3\u0ba4\u0ba8\u0baa\u0bae\u0bb9\u0bd0\u0bd0\u0bf9\u0bf9\u0c05\u0c0c"+
+		"\u0c0e\u0c10\u0c12\u0c28\u0c2a\u0c39\u0c3d\u0c3d\u0c58\u0c5a\u0c5d\u0c5d"+
+		"\u0c60\u0c61\u0c80\u0c80\u0c85\u0c8c\u0c8e\u0c90\u0c92\u0ca8\u0caa\u0cb3"+
+		"\u0cb5\u0cb9\u0cbd\u0cbd\u0cdd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d04\u0d0c"+
+		"\u0d0e\u0d10\u0d12\u0d3a\u0d3d\u0d3d\u0d4e\u0d4e\u0d54\u0d56\u0d5f\u0d61"+
+		"\u0d7a\u0d7f\u0d85\u0d96\u0d9a\u0db1\u0db3\u0dbb\u0dbd\u0dbd\u0dc0\u0dc6"+
+		"\u0e01\u0e30\u0e32\u0e33\u0e3f\u0e45\u0e81\u0e82\u0e84\u0e84\u0e86\u0e8a"+
+		"\u0e8c\u0ea3\u0ea5\u0ea5\u0ea7\u0eb0\u0eb2\u0eb3\u0ebd\u0ebd\u0ec0\u0ec4"+
+		"\u0edc\u0edf\u0f00\u0f00\u0f40\u0f47\u0f49\u0f6c\u0f88\u0f8c\u1000\u102a"+
+		"\u103f\u103f\u1050\u1055\u105a\u105d\u1061\u1061\u1065\u1066\u106e\u1070"+
+		"\u1075\u1081\u108e\u108e\u10a0\u10c5\u10c7\u10c7\u10cd\u10cd\u10d0\u10fa"+
+		"\u10fd\u1248\u124a\u124d\u1250\u1256\u1258\u1258\u125a\u125d\u1260\u1288"+
+		"\u128a\u128d\u1290\u12b0\u12b2\u12b5\u12b8\u12be\u12c0\u12c0\u12c2\u12c5"+
+		"\u12c8\u12d6\u12d8\u1310\u1312\u1315\u1318\u135a\u1380\u138f\u13a0\u13f5"+
+		"\u13f8\u13fd\u1401\u166c\u166f\u167f\u1681\u169a\u16a0\u16ea\u16ee\u16f8"+
+		"\u1700\u1711\u171f\u1731\u1740\u1751\u1760\u176c\u176e\u1770\u1780\u17b3"+
+		"\u17db\u17dc\u1820\u1842\u1844\u1878\u1880\u1884\u1887\u18a8\u18aa\u18aa"+
+		"\u18b0\u18f5\u1900\u191e\u1950\u196d\u1970\u1974\u1980\u19ab\u19b0\u19c9"+
+		"\u1a00\u1a16\u1a20\u1a54\u1b05\u1b33\u1b45\u1b4c\u1b83\u1ba0\u1bae\u1baf"+
+		"\u1bba\u1be5\u1c00\u1c23\u1c4d\u1c4f\u1c5a\u1c77\u1c80\u1c88\u1c90\u1cba"+
+		"\u1cbd\u1cbf\u1ce9\u1cec\u1cee\u1cf3\u1cf5\u1cf6\u1cfa\u1cfa\u1d00\u1d2b"+
+		"\u1d6b\u1d77\u1d79\u1d9a\u1e00\u1f15\u1f18\u1f1d\u1f20\u1f45\u1f48\u1f4d"+
+		"\u1f50\u1f57\u1f59\u1f59\u1f5b\u1f5b\u1f5d\u1f5d\u1f5f\u1f7d\u1f80\u1fb4"+
+		"\u1fb6\u1fbc\u1fbe\u1fbe\u1fc2\u1fc4\u1fc6\u1fcc\u1fd0\u1fd3\u1fd6\u1fdb"+
+		"\u1fe0\u1fec\u1ff2\u1ff4\u1ff6\u1ffc\u203f\u2040\u2054\u2054\u20a0\u20c0"+
+		"\u2102\u2102\u2107\u2107\u210a\u2113\u2115\u2115\u2119\u211d\u2124\u2124"+
+		"\u2126\u2126\u2128\u2128\u212a\u212d\u212f\u2139\u213c\u213f\u2145\u2149"+
+		"\u214e\u214e\u2160\u2188\u2c00\u2c7b\u2c7e\u2ce4\u2ceb\u2cee\u2cf2\u2cf3"+
+		"\u2d00\u2d25\u2d27\u2d27\u2d2d\u2d2d\u2d30\u2d67\u2d80\u2d96\u2da0\u2da6"+
+		"\u2da8\u2dae\u2db0\u2db6\u2db8\u2dbe\u2dc0\u2dc6\u2dc8\u2dce\u2dd0\u2dd6"+
+		"\u2dd8\u2dde\u3006\u3007\u3021\u3029\u3038\u303a\u303c\u303c\u3041\u3096"+
+		"\u309f\u309f\u30a1\u30fa\u30ff\u30ff\u3105\u312f\u3131\u318e\u31a0\u31bf"+
+		"\u31f0\u31ff\u3400\u4dbf\u4e00\u8000\ua014\u8000\ua016\u8000\ua48c\u8000"+
+		"\ua4d0\u8000\ua4f7\u8000\ua500\u8000\ua60b\u8000\ua610\u8000\ua61f\u8000"+
+		"\ua62a\u8000\ua62b\u8000\ua640\u8000\ua66e\u8000\ua680\u8000\ua69b\u8000"+
+		"\ua6a0\u8000\ua6ef\u8000\ua722\u8000\ua76f\u8000\ua771\u8000\ua787\u8000"+
+		"\ua78b\u8000\ua7ca\u8000\ua7d0\u8000\ua7d1\u8000\ua7d3\u8000\ua7d3\u8000"+
+		"\ua7d5\u8000\ua7d9\u8000\ua7f5\u8000\ua7f7\u8000\ua7fa\u8000\ua801\u8000"+
+		"\ua803\u8000\ua805\u8000\ua807\u8000\ua80a\u8000\ua80c\u8000\ua822\u8000"+
+		"\ua838\u8000\ua838\u8000\ua840\u8000\ua873\u8000\ua882\u8000\ua8b3\u8000"+
+		"\ua8f2\u8000\ua8f7\u8000\ua8fb\u8000\ua8fb\u8000\ua8fd\u8000\ua8fe\u8000"+
+		"\ua90a\u8000\ua925\u8000\ua930\u8000\ua946\u8000\ua960\u8000\ua97c\u8000"+
+		"\ua984\u8000\ua9b2\u8000\ua9e0\u8000\ua9e4\u8000\ua9e7\u8000\ua9ef\u8000"+
+		"\ua9fa\u8000\ua9fe\u8000\uaa00\u8000\uaa28\u8000\uaa40\u8000\uaa42\u8000"+
+		"\uaa44\u8000\uaa4b\u8000\uaa60\u8000\uaa6f\u8000\uaa71\u8000\uaa76\u8000"+
+		"\uaa7a\u8000\uaa7a\u8000\uaa7e\u8000\uaaaf\u8000\uaab1\u8000\uaab1\u8000"+
+		"\uaab5\u8000\uaab6\u8000\uaab9\u8000\uaabd\u8000\uaac0\u8000\uaac0\u8000"+
+		"\uaac2\u8000\uaac2\u8000\uaadb\u8000\uaadc\u8000\uaae0\u8000\uaaea\u8000"+
+		"\uaaf2\u8000\uaaf2\u8000\uab01\u8000\uab06\u8000\uab09\u8000\uab0e\u8000"+
+		"\uab11\u8000\uab16\u8000\uab20\u8000\uab26\u8000\uab28\u8000\uab2e\u8000"+
+		"\uab30\u8000\uab5a\u8000\uab60\u8000\uab68\u8000\uab70\u8000\uabe2\u8000"+
+		"\uac00\u8000\ud7a3\u8000\ud7b0\u8000\ud7c6\u8000\ud7cb\u8000\ud7fb\u8000"+
+		"\uf900\u8000\ufa6d\u8000\ufa70\u8000\ufad9\u8000\ufb00\u8000\ufb06\u8000"+
+		"\ufb13\u8000\ufb17\u8000\ufb1d\u8000\ufb1d\u8000\ufb1f\u8000\ufb28\u8000"+
+		"\ufb2a\u8000\ufb36\u8000\ufb38\u8000\ufb3c\u8000\ufb3e\u8000\ufb3e\u8000"+
+		"\ufb40\u8000\ufb41\u8000\ufb43\u8000\ufb44\u8000\ufb46\u8000\ufbb1\u8000"+
+		"\ufbd3\u8000\ufd3d\u8000\ufd50\u8000\ufd8f\u8000\ufd92\u8000\ufdc7\u8000"+
+		"\ufdf0\u8000\ufdfc\u8000\ufe33\u8000\ufe34\u8000\ufe4d\u8000\ufe4f\u8000"+
+		"\ufe69\u8000\ufe69\u8000\ufe70\u8000\ufe74\u8000\ufe76\u8000\ufefc\u8000"+
+		"\uff04\u8000\uff04\u8000\uff21\u8000\uff3a\u8000\uff3f\u8000\uff3f\u8000"+
+		"\uff41\u8000\uff5a\u8000\uff66\u8000\uff6f\u8000\uff71\u8000\uff9d\u8000"+
+		"\uffa0\u8000\uffbe\u8000\uffc2\u8000\uffc7\u8000\uffca\u8000\uffcf\u8000"+
+		"\uffd2\u8000\uffd7\u8000\uffda\u8000\uffdc\u8000\uffe0\u8000\uffe1\u8000"+
+		"\uffe5\u8000\uffe6\u8001\u0000\u8001\u000b\u8001\r\u8001&\u8001(\u8001"+
+		":\u8001<\u8001=\u8001?\u8001M\u8001P\u8001]\u8001\u0080\u8001\u00fa\u8001"+
+		"\u0140\u8001\u0174\u8001\u0280\u8001\u029c\u8001\u02a0\u8001\u02d0\u8001"+
+		"\u0300\u8001\u031f\u8001\u032d\u8001\u034a\u8001\u0350\u8001\u0375\u8001"+
+		"\u0380\u8001\u039d\u8001\u03a0\u8001\u03c3\u8001\u03c8\u8001\u03cf\u8001"+
+		"\u03d1\u8001\u03d5\u8001\u0400\u8001\u049d\u8001\u04b0\u8001\u04d3\u8001"+
+		"\u04d8\u8001\u04fb\u8001\u0500\u8001\u0527\u8001\u0530\u8001\u0563\u8001"+
+		"\u0570\u8001\u057a\u8001\u057c\u8001\u058a\u8001\u058c\u8001\u0592\u8001"+
+		"\u0594\u8001\u0595\u8001\u0597\u8001\u05a1\u8001\u05a3\u8001\u05b1\u8001"+
+		"\u05b3\u8001\u05b9\u8001\u05bb\u8001\u05bc\u8001\u0600\u8001\u0736\u8001"+
+		"\u0740\u8001\u0755\u8001\u0760\u8001\u0767\u8001\u0800\u8001\u0805\u8001"+
+		"\u0808\u8001\u0808\u8001\u080a\u8001\u0835\u8001\u0837\u8001\u0838\u8001"+
+		"\u083c\u8001\u083c\u8001\u083f\u8001\u0855\u8001\u0860\u8001\u0876\u8001"+
+		"\u0880\u8001\u089e\u8001\u08e0\u8001\u08f2\u8001\u08f4\u8001\u08f5\u8001"+
+		"\u0900\u8001\u0915\u8001\u0920\u8001\u0939\u8001\u0980\u8001\u09b7\u8001"+
+		"\u09be\u8001\u09bf\u8001\u0a00\u8001\u0a00\u8001\u0a10\u8001\u0a13\u8001"+
+		"\u0a15\u8001\u0a17\u8001\u0a19\u8001\u0a35\u8001\u0a60\u8001\u0a7c\u8001"+
+		"\u0a80\u8001\u0a9c\u8001\u0ac0\u8001\u0ac7\u8001\u0ac9\u8001\u0ae4\u8001"+
+		"\u0b00\u8001\u0b35\u8001\u0b40\u8001\u0b55\u8001\u0b60\u8001\u0b72\u8001"+
+		"\u0b80\u8001\u0b91\u8001\u0c00\u8001\u0c48\u8001\u0c80\u8001\u0cb2\u8001"+
+		"\u0cc0\u8001\u0cf2\u8001\u0d00\u8001\u0d23\u8001\u0e80\u8001\u0ea9\u8001"+
+		"\u0eb0\u8001\u0eb1\u8001\u0f00\u8001\u0f1c\u8001\u0f27\u8001\u0f27\u8001"+
+		"\u0f30\u8001\u0f45\u8001\u0f70\u8001\u0f81\u8001\u0fb0\u8001\u0fc4\u8001"+
+		"\u0fe0\u8001\u0ff6\u8001\u1003\u8001\u1037\u8001\u1071\u8001\u1072\u8001"+
+		"\u1075\u8001\u1075\u8001\u1083\u8001\u10af\u8001\u10d0\u8001\u10e8\u8001"+
+		"\u1103\u8001\u1126\u8001\u1144\u8001\u1144\u8001\u1147\u8001\u1147\u8001"+
+		"\u1150\u8001\u1172\u8001\u1176\u8001\u1176\u8001\u1183\u8001\u11b2\u8001"+
+		"\u11c1\u8001\u11c4\u8001\u11da\u8001\u11da\u8001\u11dc\u8001\u11dc\u8001"+
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+		"e\u0000\u0000\u0156\u0157\u0005n\u0000\u0000\u0157\u0158\u0005t\u0000"+
+		"\u0000\u0158\u0159\u0005s\u0000\u0000\u0159*\u0001\u0000\u0000\u0000\u015a"+
+		"\u015b\u0005i\u0000\u0000\u015b\u015c\u0005m\u0000\u0000\u015c\u015d\u0005"+
+		"p\u0000\u0000\u015d\u015e\u0005o\u0000\u0000\u015e\u015f\u0005r\u0000"+
+		"\u0000\u015f\u0160\u0005t\u0000\u0000\u0160,\u0001\u0000\u0000\u0000\u0161"+
+		"\u0162\u0005i\u0000\u0000\u0162\u0163\u0005n\u0000\u0000\u0163\u0164\u0005"+
+		"s\u0000\u0000\u0164\u0165\u0005t\u0000\u0000\u0165\u0166\u0005a\u0000"+
+		"\u0000\u0166\u0167\u0005n\u0000\u0000\u0167\u0168\u0005c\u0000\u0000\u0168"+
+		"\u0169\u0005e\u0000\u0000\u0169\u016a\u0005o\u0000\u0000\u016a\u016b\u0005"+
+		"f\u0000\u0000\u016b.\u0001\u0000\u0000\u0000\u016c\u016d\u0005i\u0000"+
+		"\u0000\u016d\u016e\u0005n\u0000\u0000\u016e\u016f\u0005t\u0000\u0000\u016f"+
+		"0\u0001\u0000\u0000\u0000\u0170\u0171\u0005i\u0000\u0000\u0171\u0172\u0005"+
+		"n\u0000\u0000\u0172\u0173\u0005t\u0000\u0000\u0173\u0174\u0005e\u0000"+
+		"\u0000\u0174\u0175\u0005r\u0000\u0000\u0175\u0176\u0005f\u0000\u0000\u0176"+
+		"\u0177\u0005a\u0000\u0000\u0177\u0178\u0005c\u0000\u0000\u0178\u0179\u0005"+
+		"e\u0000\u0000\u01792\u0001\u0000\u0000\u0000\u017a\u017b\u0005l\u0000"+
+		"\u0000\u017b\u017c\u0005o\u0000\u0000\u017c\u017d\u0005n\u0000\u0000\u017d"+
+		"\u017e\u0005g\u0000\u0000\u017e4\u0001\u0000\u0000\u0000\u017f\u0180\u0005"+
+		"n\u0000\u0000\u0180\u0181\u0005a\u0000\u0000\u0181\u0182\u0005t\u0000"+
+		"\u0000\u0182\u0183\u0005i\u0000\u0000\u0183\u0184\u0005v\u0000\u0000\u0184"+
+		"\u0185\u0005e\u0000\u0000\u01856\u0001\u0000\u0000\u0000\u0186\u0187\u0005"+
+		"n\u0000\u0000\u0187\u0188\u0005e\u0000\u0000\u0188\u0189\u0005w\u0000"+
+		"\u0000\u01898\u0001\u0000\u0000\u0000\u018a\u018b\u0005p\u0000\u0000\u018b"+
+		"\u018c\u0005a\u0000\u0000\u018c\u018d\u0005c\u0000\u0000\u018d\u018e\u0005"+
+		"k\u0000\u0000\u018e\u018f\u0005a\u0000\u0000\u018f\u0190\u0005g\u0000"+
+		"\u0000\u0190\u0191\u0005e\u0000\u0000\u0191:\u0001\u0000\u0000\u0000\u0192"+
+		"\u0193\u0005p\u0000\u0000\u0193\u0194\u0005r\u0000\u0000\u0194\u0195\u0005"+
+		"i\u0000\u0000\u0195\u0196\u0005v\u0000\u0000\u0196\u0197\u0005a\u0000"+
+		"\u0000\u0197\u0198\u0005t\u0000\u0000\u0198\u0199\u0005e\u0000\u0000\u0199"+
+		"<\u0001\u0000\u0000\u0000\u019a\u019b\u0005p\u0000\u0000\u019b\u019c\u0005"+
+		"r\u0000\u0000\u019c\u019d\u0005o\u0000\u0000\u019d\u019e\u0005t\u0000"+
+		"\u0000\u019e\u019f\u0005e\u0000\u0000\u019f\u01a0\u0005c\u0000\u0000\u01a0"+
+		"\u01a1\u0005t\u0000\u0000\u01a1\u01a2\u0005e\u0000\u0000\u01a2\u01a3\u0005"+
+		"d\u0000\u0000\u01a3>\u0001\u0000\u0000\u0000\u01a4\u01a5\u0005p\u0000"+
+		"\u0000\u01a5\u01a6\u0005u\u0000\u0000\u01a6\u01a7\u0005b\u0000\u0000\u01a7"+
+		"\u01a8\u0005l\u0000\u0000\u01a8\u01a9\u0005i\u0000\u0000\u01a9\u01aa\u0005"+
+		"c\u0000\u0000\u01aa@\u0001\u0000\u0000\u0000\u01ab\u01ac\u0005r\u0000"+
+		"\u0000\u01ac\u01ad\u0005e\u0000\u0000\u01ad\u01ae\u0005t\u0000\u0000\u01ae"+
+		"\u01af\u0005u\u0000\u0000\u01af\u01b0\u0005r\u0000\u0000\u01b0\u01b1\u0005"+
+		"n\u0000\u0000\u01b1B\u0001\u0000\u0000\u0000\u01b2\u01b3\u0005s\u0000"+
+		"\u0000\u01b3\u01b4\u0005h\u0000\u0000\u01b4\u01b5\u0005o\u0000\u0000\u01b5"+
+		"\u01b6\u0005r\u0000\u0000\u01b6\u01b7\u0005t\u0000\u0000\u01b7D\u0001"+
+		"\u0000\u0000\u0000\u01b8\u01b9\u0005s\u0000\u0000\u01b9\u01ba\u0005t\u0000"+
+		"\u0000\u01ba\u01bb\u0005a\u0000\u0000\u01bb\u01bc\u0005t\u0000\u0000\u01bc"+
+		"\u01bd\u0005i\u0000\u0000\u01bd\u01be\u0005c\u0000\u0000\u01beF\u0001"+
+		"\u0000\u0000\u0000\u01bf\u01c0\u0005s\u0000\u0000\u01c0\u01c1\u0005t\u0000"+
+		"\u0000\u01c1\u01c2\u0005r\u0000\u0000\u01c2\u01c3\u0005i\u0000\u0000\u01c3"+
+		"\u01c4\u0005c\u0000\u0000\u01c4\u01c5\u0005t\u0000\u0000\u01c5\u01c6\u0005"+
+		"f\u0000\u0000\u01c6\u01c7\u0005p\u0000\u0000\u01c7H\u0001\u0000\u0000"+
+		"\u0000\u01c8\u01c9\u0005s\u0000\u0000\u01c9\u01ca\u0005u\u0000\u0000\u01ca"+
+		"\u01cb\u0005p\u0000\u0000\u01cb\u01cc\u0005e\u0000\u0000\u01cc\u01cd\u0005"+
+		"r\u0000\u0000\u01cdJ\u0001\u0000\u0000\u0000\u01ce\u01cf\u0005s\u0000"+
+		"\u0000\u01cf\u01d0\u0005w\u0000\u0000\u01d0\u01d1\u0005i\u0000\u0000\u01d1"+
+		"\u01d2\u0005t\u0000\u0000\u01d2\u01d3\u0005c\u0000\u0000\u01d3\u01d4\u0005"+
+		"h\u0000\u0000\u01d4L\u0001\u0000\u0000\u0000\u01d5\u01d6\u0005s\u0000"+
+		"\u0000\u01d6\u01d7\u0005y\u0000\u0000\u01d7\u01d8\u0005n\u0000\u0000\u01d8"+
+		"\u01d9\u0005c\u0000\u0000\u01d9\u01da\u0005h\u0000\u0000\u01da\u01db\u0005"+
+		"r\u0000\u0000\u01db\u01dc\u0005o\u0000\u0000\u01dc\u01dd\u0005n\u0000"+
+		"\u0000\u01dd\u01de\u0005i\u0000\u0000\u01de\u01df\u0005z\u0000\u0000\u01df"+
+		"\u01e0\u0005e\u0000\u0000\u01e0\u01e1\u0005d\u0000\u0000\u01e1N\u0001"+
+		"\u0000\u0000\u0000\u01e2\u01e3\u0005t\u0000\u0000\u01e3\u01e4\u0005h\u0000"+
+		"\u0000\u01e4\u01e5\u0005i\u0000\u0000\u01e5\u01e6\u0005s\u0000\u0000\u01e6"+
+		"P\u0001\u0000\u0000\u0000\u01e7\u01e8\u0005t\u0000\u0000\u01e8\u01e9\u0005"+
+		"h\u0000\u0000\u01e9\u01ea\u0005r\u0000\u0000\u01ea\u01eb\u0005o\u0000"+
+		"\u0000\u01eb\u01ec\u0005w\u0000\u0000\u01ecR\u0001\u0000\u0000\u0000\u01ed"+
+		"\u01ee\u0005t\u0000\u0000\u01ee\u01ef\u0005h\u0000\u0000\u01ef\u01f0\u0005"+
+		"r\u0000\u0000\u01f0\u01f1\u0005o\u0000\u0000\u01f1\u01f2\u0005w\u0000"+
+		"\u0000\u01f2\u01f3\u0005s\u0000\u0000\u01f3T\u0001\u0000\u0000\u0000\u01f4"+
+		"\u01f5\u0005t\u0000\u0000\u01f5\u01f6\u0005r\u0000\u0000\u01f6\u01f7\u0005"+
+		"a\u0000\u0000\u01f7\u01f8\u0005n\u0000\u0000\u01f8\u01f9\u0005s\u0000"+
+		"\u0000\u01f9\u01fa\u0005i\u0000\u0000\u01fa\u01fb\u0005e\u0000\u0000\u01fb"+
+		"\u01fc\u0005n\u0000\u0000\u01fc\u01fd\u0005t\u0000\u0000\u01fdV\u0001"+
+		"\u0000\u0000\u0000\u01fe\u01ff\u0005t\u0000\u0000\u01ff\u0200\u0005r\u0000"+
+		"\u0000\u0200\u0201\u0005y\u0000\u0000\u0201X\u0001\u0000\u0000\u0000\u0202"+
+		"\u0203\u0005v\u0000\u0000\u0203\u0204\u0005o\u0000\u0000\u0204\u0205\u0005"+
+		"i\u0000\u0000\u0205\u0206\u0005d\u0000\u0000\u0206Z\u0001\u0000\u0000"+
+		"\u0000\u0207\u0208\u0005v\u0000\u0000\u0208\u0209\u0005o\u0000\u0000\u0209"+
+		"\u020a\u0005l\u0000\u0000\u020a\u020b\u0005a\u0000\u0000\u020b\u020c\u0005"+
+		"t\u0000\u0000\u020c\u020d\u0005i\u0000\u0000\u020d\u020e\u0005l\u0000"+
+		"\u0000\u020e\u020f\u0005e\u0000\u0000\u020f\\\u0001\u0000\u0000\u0000"+
+		"\u0210\u0211\u0005w\u0000\u0000\u0211\u0212\u0005h\u0000\u0000\u0212\u0213"+
+		"\u0005i\u0000\u0000\u0213\u0214\u0005l\u0000\u0000\u0214\u0215\u0005e"+
+		"\u0000\u0000\u0215^\u0001\u0000\u0000\u0000\u0216\u0217\u0005;\u0000\u0000"+
+		"\u0217`\u0001\u0000\u0000\u0000\u0218\u0219\u0005,\u0000\u0000\u0219b"+
+		"\u0001\u0000\u0000\u0000\u021a\u021b\u0005.\u0000\u0000\u021bd\u0001\u0000"+
+		"\u0000\u0000\u021c\u021d\u0005(\u0000\u0000\u021df\u0001\u0000\u0000\u0000"+
+		"\u021e\u021f\u0005)\u0000\u0000\u021fh\u0001\u0000\u0000\u0000\u0220\u0221"+
+		"\u0005{\u0000\u0000\u0221j\u0001\u0000\u0000\u0000\u0222\u0223\u0005}"+
+		"\u0000\u0000\u0223l\u0001\u0000\u0000\u0000\u0224\u0225\u0005[\u0000\u0000"+
+		"\u0225n\u0001\u0000\u0000\u0000\u0226\u0227\u0005]\u0000\u0000\u0227p"+
+		"\u0001\u0000\u0000\u0000\u0228\u0229\u0005:\u0000\u0000\u0229r\u0001\u0000"+
+		"\u0000\u0000\u022a\u022b\u0005?\u0000\u0000\u022bt\u0001\u0000\u0000\u0000"+
+		"\u022c\u022d\u0005=\u0000\u0000\u022dv\u0001\u0000\u0000\u0000\u022e\u022f"+
+		"\u0005+\u0000\u0000\u022fx\u0001\u0000\u0000\u0000\u0230\u0231\u0005-"+
+		"\u0000\u0000\u0231z\u0001\u0000\u0000\u0000\u0232\u0233\u0005*\u0000\u0000"+
+		"\u0233|\u0001\u0000\u0000\u0000\u0234\u0235\u0005/\u0000\u0000\u0235~"+
+		"\u0001\u0000\u0000\u0000\u0236\u0237\u0005%\u0000\u0000\u0237\u0080\u0001"+
+		"\u0000\u0000\u0000\u0238\u0239\u0005+\u0000\u0000\u0239\u023a\u0005+\u0000"+
+		"\u0000\u023a\u0082\u0001\u0000\u0000\u0000\u023b\u023c\u0005-\u0000\u0000"+
+		"\u023c\u023d\u0005-\u0000\u0000\u023d\u0084\u0001\u0000\u0000\u0000\u023e"+
+		"\u023f\u0005!\u0000\u0000\u023f\u0086\u0001\u0000\u0000\u0000\u0240\u0241"+
+		"\u0005~\u0000\u0000\u0241\u0088\u0001\u0000\u0000\u0000\u0242\u0243\u0005"+
+		"=\u0000\u0000\u0243\u0244\u0005=\u0000\u0000\u0244\u008a\u0001\u0000\u0000"+
+		"\u0000\u0245\u0246\u0005!\u0000\u0000\u0246\u0247\u0005=\u0000\u0000\u0247"+
+		"\u008c\u0001\u0000\u0000\u0000\u0248\u0249\u0005<\u0000\u0000\u0249\u008e"+
+		"\u0001\u0000\u0000\u0000\u024a\u024b\u0005>\u0000\u0000\u024b\u0090\u0001"+
+		"\u0000\u0000\u0000\u024c\u024d\u0005<\u0000\u0000\u024d\u024e\u0005=\u0000"+
+		"\u0000\u024e\u0092\u0001\u0000\u0000\u0000\u024f\u0250\u0005>\u0000\u0000"+
+		"\u0250\u0251\u0005=\u0000\u0000\u0251\u0094\u0001\u0000\u0000\u0000\u0252"+
+		"\u0253\u0005&\u0000\u0000\u0253\u0254\u0005&\u0000\u0000\u0254\u0096\u0001"+
+		"\u0000\u0000\u0000\u0255\u0256\u0005|\u0000\u0000\u0256\u0257\u0005|\u0000"+
+		"\u0000\u0257\u0098\u0001\u0000\u0000\u0000\u0258\u0259\u0005&\u0000\u0000"+
+		"\u0259\u009a\u0001\u0000\u0000\u0000\u025a\u025b\u0005|\u0000\u0000\u025b"+
+		"\u009c\u0001\u0000\u0000\u0000\u025c\u025d\u0005^\u0000\u0000\u025d\u009e"+
+		"\u0001\u0000\u0000\u0000\u025e\u025f\u0005<\u0000\u0000\u025f\u0260\u0005"+
+		"<\u0000\u0000\u0260\u00a0\u0001\u0000\u0000\u0000\u0261\u0262\u0005>\u0000"+
+		"\u0000\u0262\u0263\u0005>\u0000\u0000\u0263\u00a2\u0001\u0000\u0000\u0000"+
+		"\u0264\u0265\u0005>\u0000\u0000\u0265\u0266\u0005>\u0000\u0000\u0266\u0267"+
+		"\u0005>\u0000\u0000\u0267\u00a4\u0001\u0000\u0000\u0000\u0268\u0269\u0005"+
+		"+\u0000\u0000\u0269\u026a\u0005=\u0000\u0000\u026a\u00a6\u0001\u0000\u0000"+
+		"\u0000\u026b\u026c\u0005-\u0000\u0000\u026c\u026d\u0005=\u0000\u0000\u026d"+
+		"\u00a8\u0001\u0000\u0000\u0000\u026e\u026f\u0005*\u0000\u0000\u026f\u0270"+
+		"\u0005=\u0000\u0000\u0270\u00aa\u0001\u0000\u0000\u0000\u0271\u0272\u0005"+
+		"/\u0000\u0000\u0272\u0273\u0005=\u0000\u0000\u0273\u00ac\u0001\u0000\u0000"+
+		"\u0000\u0274\u0275\u0005&\u0000\u0000\u0275\u0276\u0005=\u0000\u0000\u0276"+
+		"\u00ae\u0001\u0000\u0000\u0000\u0277\u0278\u0005|\u0000\u0000\u0278\u0279"+
+		"\u0005=\u0000\u0000\u0279\u00b0\u0001\u0000\u0000\u0000\u027a\u027b\u0005"+
+		"^\u0000\u0000\u027b\u027c\u0005=\u0000\u0000\u027c\u00b2\u0001\u0000\u0000"+
+		"\u0000\u027d\u027e\u0005%\u0000\u0000\u027e\u027f\u0005=\u0000\u0000\u027f"+
+		"\u00b4\u0001\u0000\u0000\u0000\u0280\u0281\u0005<\u0000\u0000\u0281\u0282"+
+		"\u0005<\u0000\u0000\u0282\u0283\u0005=\u0000\u0000\u0283\u00b6\u0001\u0000"+
+		"\u0000\u0000\u0284\u0285\u0005>\u0000\u0000\u0285\u0286\u0005>\u0000\u0000"+
+		"\u0286\u0287\u0005=\u0000\u0000\u0287\u00b8\u0001\u0000\u0000\u0000\u0288"+
+		"\u0289\u0005>\u0000\u0000\u0289\u028a\u0005>\u0000\u0000\u028a\u028b\u0005"+
+		">\u0000\u0000\u028b\u028c\u0005=\u0000\u0000\u028c\u00ba\u0001\u0000\u0000"+
+		"\u0000\u028d\u0291\u0003\u00bd^\u0000\u028e\u0290\u0003\u00bf_\u0000\u028f"+
+		"\u028e\u0001\u0000\u0000\u0000\u0290\u0293\u0001\u0000\u0000\u0000\u0291"+
+		"\u028f\u0001\u0000\u0000\u0000\u0291\u0292\u0001\u0000\u0000\u0000\u0292"+
+		"\u00bc\u0001\u0000\u0000\u0000\u0293\u0291\u0001\u0000\u0000\u0000\u0294"+
+		"\u0296\u0007\u0000\u0000\u0000\u0295\u0294\u0001\u0000\u0000\u0000\u0296"+
+		"\u00be\u0001\u0000\u0000\u0000\u0297\u029a\u0003\u00bd^\u0000\u0298\u029a"+
+		"\u0007\u0001\u0000\u0000\u0299\u0297\u0001\u0000\u0000\u0000\u0299\u0298"+
+		"\u0001\u0000\u0000\u0000\u029a\u00c0\u0001\u0000\u0000\u0000\u029b\u029d"+
+		"\u0007\u0002\u0000\u0000\u029c\u029b\u0001\u0000\u0000\u0000\u029d\u029e"+
+		"\u0001\u0000\u0000\u0000\u029e\u029c\u0001\u0000\u0000\u0000\u029e\u029f"+
+		"\u0001\u0000\u0000\u0000\u029f\u00c2\u0001\u0000\u0000\u0000\u02a0\u02a2"+
+		"\u0007\u0002\u0000\u0000\u02a1\u02a0\u0001\u0000\u0000\u0000\u02a2\u02a3"+
+		"\u0001\u0000\u0000\u0000\u02a3\u02a1\u0001\u0000\u0000\u0000\u02a3\u02a4"+
+		"\u0001\u0000\u0000\u0000\u02a4\u02a5\u0001\u0000\u0000\u0000\u02a5\u02a9"+
+		"\u0005.\u0000\u0000\u02a6\u02a8\u0007\u0002\u0000\u0000\u02a7\u02a6\u0001"+
+		"\u0000\u0000\u0000\u02a8\u02ab\u0001\u0000\u0000\u0000\u02a9\u02a7\u0001"+
+		"\u0000\u0000\u0000\u02a9\u02aa\u0001\u0000\u0000\u0000\u02aa\u00c4\u0001"+
+		"\u0000\u0000\u0000\u02ab\u02a9\u0001\u0000\u0000\u0000\u02ac\u02b0\u0005"+
+		"\'\u0000\u0000\u02ad\u02b1\b\u0003\u0000\u0000\u02ae\u02af\u0005\\\u0000"+
+		"\u0000\u02af\u02b1\t\u0000\u0000\u0000\u02b0\u02ad\u0001\u0000\u0000\u0000"+
+		"\u02b0\u02ae\u0001\u0000\u0000\u0000\u02b1\u02b2\u0001\u0000\u0000\u0000"+
+		"\u02b2\u02b3\u0005\'\u0000\u0000\u02b3\u00c6\u0001\u0000\u0000\u0000\u02b4"+
+		"\u02ba\u0005\"\u0000\u0000\u02b5\u02b9\b\u0004\u0000\u0000\u02b6\u02b7"+
+		"\u0005\\\u0000\u0000\u02b7\u02b9\t\u0000\u0000\u0000\u02b8\u02b5\u0001"+
+		"\u0000\u0000\u0000\u02b8\u02b6\u0001\u0000\u0000\u0000\u02b9\u02bc\u0001"+
+		"\u0000\u0000\u0000\u02ba\u02b8\u0001\u0000\u0000\u0000\u02ba\u02bb\u0001"+
+		"\u0000\u0000\u0000\u02bb\u02bd\u0001\u0000\u0000\u0000\u02bc\u02ba\u0001"+
+		"\u0000\u0000\u0000\u02bd\u02be\u0005\"\u0000\u0000\u02be\u00c8\u0001\u0000"+
+		"\u0000\u0000\u02bf\u02c0\u0005t\u0000\u0000\u02c0\u02c1\u0005r\u0000\u0000"+
+		"\u02c1\u02c2\u0005u\u0000\u0000\u02c2\u02c9\u0005e\u0000\u0000\u02c3\u02c4"+
+		"\u0005f\u0000\u0000\u02c4\u02c5\u0005a\u0000\u0000\u02c5\u02c6\u0005l"+
+		"\u0000\u0000\u02c6\u02c7\u0005s\u0000\u0000\u02c7\u02c9\u0005e\u0000\u0000"+
+		"\u02c8\u02bf\u0001\u0000\u0000\u0000\u02c8\u02c3\u0001\u0000\u0000\u0000"+
+		"\u02c9\u00ca\u0001\u0000\u0000\u0000\u02ca\u02cb\u0005n\u0000\u0000\u02cb"+
+		"\u02cc\u0005u\u0000\u0000\u02cc\u02cd\u0005l\u0000\u0000\u02cd\u02ce\u0005"+
+		"l\u0000\u0000\u02ce\u00cc\u0001\u0000\u0000\u0000\u02cf\u02d1\u0007\u0005"+
+		"\u0000\u0000\u02d0\u02cf\u0001\u0000\u0000\u0000\u02d1\u02d2\u0001\u0000"+
+		"\u0000\u0000\u02d2\u02d0\u0001\u0000\u0000\u0000\u02d2\u02d3\u0001\u0000"+
+		"\u0000\u0000\u02d3\u02d4\u0001\u0000\u0000\u0000\u02d4\u02d5\u0006f\u0000"+
+		"\u0000\u02d5\u00ce\u0001\u0000\u0000\u0000\u02d6\u02d7\u0005/\u0000\u0000"+
+		"\u02d7\u02d8\u0005/\u0000\u0000\u02d8\u02dc\u0001\u0000\u0000\u0000\u02d9"+
+		"\u02db\b\u0006\u0000\u0000\u02da\u02d9\u0001\u0000\u0000\u0000\u02db\u02de"+
+		"\u0001\u0000\u0000\u0000\u02dc\u02da\u0001\u0000\u0000\u0000\u02dc\u02dd"+
+		"\u0001\u0000\u0000\u0000\u02dd\u02df\u0001\u0000\u0000\u0000\u02de\u02dc"+
+		"\u0001\u0000\u0000\u0000\u02df\u02e0\u0006g\u0000\u0000\u02e0\u00d0\u0001"+
+		"\u0000\u0000\u0000\u02e1\u02e2\u0005/\u0000\u0000\u02e2\u02e3\u0005*\u0000"+
+		"\u0000\u02e3\u02e7\u0001\u0000\u0000\u0000\u02e4\u02e6\t\u0000\u0000\u0000"+
+		"\u02e5\u02e4\u0001\u0000\u0000\u0000\u02e6\u02e9\u0001\u0000\u0000\u0000"+
+		"\u02e7\u02e8\u0001\u0000\u0000\u0000\u02e7\u02e5\u0001\u0000\u0000\u0000"+
+		"\u02e8\u02ea\u0001\u0000\u0000\u0000\u02e9\u02e7\u0001\u0000\u0000\u0000"+
+		"\u02ea\u02eb\u0005*\u0000\u0000\u02eb\u02ec\u0005/\u0000\u0000\u02ec\u02ed"+
+		"\u0001\u0000\u0000\u0000\u02ed\u02ee\u0006h\u0000\u0000\u02ee\u00d2\u0001"+
+		"\u0000\u0000\u0000\u000e\u0000\u0291\u0295\u0299\u029e\u02a3\u02a9\u02b0"+
+		"\u02b8\u02ba\u02c8\u02d2\u02dc\u02e7\u0001\u0006\u0000\u0000";
+	public static final ATN _ATN =
+		new ATNDeserializer().deserialize(_serializedATN.toCharArray());
+	static {
+		_decisionToDFA = new DFA[_ATN.getNumberOfDecisions()];
+		for (int i = 0; i < _ATN.getNumberOfDecisions(); i++) {
+			_decisionToDFA[i] = new DFA(_ATN.getDecisionState(i), i);
+		}
+	}
+}

src/org/lsmr/cfg/Java1_4ParserBaseVisitor.java

@@ -0,0 +1,668 @@
+// Generated from Java1_4Parser.g4 by ANTLR 4.13.2
+
+	package org.lsmr.cfg;
+
+import org.antlr.v4.runtime.tree.AbstractParseTreeVisitor;
+
+/**
+ * This class provides an empty implementation of {@link Java1_4ParserVisitor},
+ * which can be extended to create a visitor which only needs to handle a subset
+ * of the available methods.
+ *
+ * @param <T> The return type of the visit operation. Use {@link Void} for
+ * operations with no return type.
+ */
+@SuppressWarnings("CheckReturnValue")
+public class Java1_4ParserBaseVisitor<T> extends AbstractParseTreeVisitor<T> implements Java1_4ParserVisitor<T> {
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitIdentifier(Java1_4Parser.IdentifierContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitQualifiedIdentifier(Java1_4Parser.QualifiedIdentifierContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitLiteral(Java1_4Parser.LiteralContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitType(Java1_4Parser.TypeContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitBasicType(Java1_4Parser.BasicTypeContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitDims(Java1_4Parser.DimsContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitExpression(Java1_4Parser.ExpressionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitAssignmentOperator(Java1_4Parser.AssignmentOperatorContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitExpression1(Java1_4Parser.Expression1Context ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitExpression1Rest(Java1_4Parser.Expression1RestContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitExpression2(Java1_4Parser.Expression2Context ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitExpression2Rest(Java1_4Parser.Expression2RestContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitInfixOp(Java1_4Parser.InfixOpContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitExpression3(Java1_4Parser.Expression3Context ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitPrefixOp(Java1_4Parser.PrefixOpContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitPostfixOp(Java1_4Parser.PostfixOpContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitPrimary(Java1_4Parser.PrimaryContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitIdentifierSuffix(Java1_4Parser.IdentifierSuffixContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitSelector(Java1_4Parser.SelectorContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitSuperSuffix(Java1_4Parser.SuperSuffixContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitArguments(Java1_4Parser.ArgumentsContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitCreator(Java1_4Parser.CreatorContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitInnerCreator(Java1_4Parser.InnerCreatorContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitArrayCreatorRest(Java1_4Parser.ArrayCreatorRestContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitClassCreatorRest(Java1_4Parser.ClassCreatorRestContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitArrayInitializer(Java1_4Parser.ArrayInitializerContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitVariableInitializer(Java1_4Parser.VariableInitializerContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitParenthesizedExpression(Java1_4Parser.ParenthesizedExpressionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitBlock(Java1_4Parser.BlockContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitBlockStatement(Java1_4Parser.BlockStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitLocalVariableDeclarationStatement(Java1_4Parser.LocalVariableDeclarationStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitStatement(Java1_4Parser.StatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitIfStatement(Java1_4Parser.IfStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitElseClause(Java1_4Parser.ElseClauseContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitForStatement(Java1_4Parser.ForStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitWhileStatement(Java1_4Parser.WhileStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitDoStatement(Java1_4Parser.DoStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitTryStatement(Java1_4Parser.TryStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitSwitchStatement(Java1_4Parser.SwitchStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitSynchronizedStatement(Java1_4Parser.SynchronizedStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitReturnStatement(Java1_4Parser.ReturnStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitThrowStatement(Java1_4Parser.ThrowStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitBreakStatement(Java1_4Parser.BreakStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitContinueStatement(Java1_4Parser.ContinueStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitEmptyStatement(Java1_4Parser.EmptyStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitExpressionStatement(Java1_4Parser.ExpressionStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitAssertStatement(Java1_4Parser.AssertStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitLabeledStatement(Java1_4Parser.LabeledStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitStatementExpression(Java1_4Parser.StatementExpressionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitConstantExpression(Java1_4Parser.ConstantExpressionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitCatches(Java1_4Parser.CatchesContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitCatchClause(Java1_4Parser.CatchClauseContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitFinallyClause(Java1_4Parser.FinallyClauseContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitSwitchBlockStatementGroup(Java1_4Parser.SwitchBlockStatementGroupContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitSwitchLabel(Java1_4Parser.SwitchLabelContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitForInit(Java1_4Parser.ForInitContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitForUpdate(Java1_4Parser.ForUpdateContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitModifier(Java1_4Parser.ModifierContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitVariableDeclarators(Java1_4Parser.VariableDeclaratorsContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitVariableDeclarator(Java1_4Parser.VariableDeclaratorContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitVariableDeclaratorId(Java1_4Parser.VariableDeclaratorIdContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitConstantDeclarator(Java1_4Parser.ConstantDeclaratorContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitCompilationUnit(Java1_4Parser.CompilationUnitContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitImportDeclaration(Java1_4Parser.ImportDeclarationContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitTypeDeclaration(Java1_4Parser.TypeDeclarationContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitClassOrInterfaceDeclaration(Java1_4Parser.ClassOrInterfaceDeclarationContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitClassDeclaration(Java1_4Parser.ClassDeclarationContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitSuperclass(Java1_4Parser.SuperclassContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitSuperinterfaces(Java1_4Parser.SuperinterfacesContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitInterfaceDeclaration(Java1_4Parser.InterfaceDeclarationContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitExtendsInterfaces(Java1_4Parser.ExtendsInterfacesContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitTypeList(Java1_4Parser.TypeListContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitClassBody(Java1_4Parser.ClassBodyContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitInterfaceBody(Java1_4Parser.InterfaceBodyContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitClassBodyDeclaration(Java1_4Parser.ClassBodyDeclarationContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitEmptyDeclaration(Java1_4Parser.EmptyDeclarationContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitInitializer(Java1_4Parser.InitializerContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitStaticInitializer(Java1_4Parser.StaticInitializerContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitMemberDeclaration(Java1_4Parser.MemberDeclarationContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitMethodDeclaration(Java1_4Parser.MethodDeclarationContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitResult(Java1_4Parser.ResultContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitThrows_(Java1_4Parser.Throws_Context ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitFieldDeclaration(Java1_4Parser.FieldDeclarationContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitConstructorDeclaration(Java1_4Parser.ConstructorDeclarationContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitConstructorBody(Java1_4Parser.ConstructorBodyContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitExplicitConstructorInvocation(Java1_4Parser.ExplicitConstructorInvocationContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitInterfaceBodyDeclaration(Java1_4Parser.InterfaceBodyDeclarationContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitInterfaceMemberDeclaration(Java1_4Parser.InterfaceMemberDeclarationContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitInterfaceMethodDeclaration(Java1_4Parser.InterfaceMethodDeclarationContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitConstantDeclaration(Java1_4Parser.ConstantDeclarationContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitQualifiedIdentifiers(Java1_4Parser.QualifiedIdentifiersContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitFormalParameters(Java1_4Parser.FormalParametersContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitFormalParameter(Java1_4Parser.FormalParameterContext ctx) { return visitChildren(ctx); }
+}

src/org/lsmr/cfg/Java1_4ParserVisitor.java

@@ -0,0 +1,573 @@
+// Generated from Java1_4Parser.g4 by ANTLR 4.13.2
+
+	package org.lsmr.cfg;
+
+import org.antlr.v4.runtime.tree.ParseTreeVisitor;
+
+/**
+ * This interface defines a complete generic visitor for a parse tree produced
+ * by {@link Java1_4Parser}.
+ *
+ * @param <T> The return type of the visit operation. Use {@link Void} for
+ * operations with no return type.
+ */
+public interface Java1_4ParserVisitor<T> extends ParseTreeVisitor<T> {
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#identifier}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitIdentifier(Java1_4Parser.IdentifierContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#qualifiedIdentifier}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitQualifiedIdentifier(Java1_4Parser.QualifiedIdentifierContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#literal}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitLiteral(Java1_4Parser.LiteralContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#type}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitType(Java1_4Parser.TypeContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#basicType}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitBasicType(Java1_4Parser.BasicTypeContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#dims}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitDims(Java1_4Parser.DimsContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#expression}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitExpression(Java1_4Parser.ExpressionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#assignmentOperator}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitAssignmentOperator(Java1_4Parser.AssignmentOperatorContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#expression1}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitExpression1(Java1_4Parser.Expression1Context ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#expression1Rest}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitExpression1Rest(Java1_4Parser.Expression1RestContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#expression2}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitExpression2(Java1_4Parser.Expression2Context ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#expression2Rest}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitExpression2Rest(Java1_4Parser.Expression2RestContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#infixOp}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitInfixOp(Java1_4Parser.InfixOpContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#expression3}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitExpression3(Java1_4Parser.Expression3Context ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#prefixOp}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitPrefixOp(Java1_4Parser.PrefixOpContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#postfixOp}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitPostfixOp(Java1_4Parser.PostfixOpContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#primary}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitPrimary(Java1_4Parser.PrimaryContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#identifierSuffix}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitIdentifierSuffix(Java1_4Parser.IdentifierSuffixContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#selector}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitSelector(Java1_4Parser.SelectorContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#superSuffix}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitSuperSuffix(Java1_4Parser.SuperSuffixContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#arguments}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitArguments(Java1_4Parser.ArgumentsContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#creator}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitCreator(Java1_4Parser.CreatorContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#innerCreator}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitInnerCreator(Java1_4Parser.InnerCreatorContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#arrayCreatorRest}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitArrayCreatorRest(Java1_4Parser.ArrayCreatorRestContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#classCreatorRest}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitClassCreatorRest(Java1_4Parser.ClassCreatorRestContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#arrayInitializer}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitArrayInitializer(Java1_4Parser.ArrayInitializerContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#variableInitializer}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitVariableInitializer(Java1_4Parser.VariableInitializerContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#parenthesizedExpression}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitParenthesizedExpression(Java1_4Parser.ParenthesizedExpressionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#block}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitBlock(Java1_4Parser.BlockContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#blockStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitBlockStatement(Java1_4Parser.BlockStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#localVariableDeclarationStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitLocalVariableDeclarationStatement(Java1_4Parser.LocalVariableDeclarationStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#statement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitStatement(Java1_4Parser.StatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#ifStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitIfStatement(Java1_4Parser.IfStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#elseClause}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitElseClause(Java1_4Parser.ElseClauseContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#forStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitForStatement(Java1_4Parser.ForStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#whileStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitWhileStatement(Java1_4Parser.WhileStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#doStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitDoStatement(Java1_4Parser.DoStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#tryStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitTryStatement(Java1_4Parser.TryStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#switchStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitSwitchStatement(Java1_4Parser.SwitchStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#synchronizedStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitSynchronizedStatement(Java1_4Parser.SynchronizedStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#returnStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitReturnStatement(Java1_4Parser.ReturnStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#throwStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitThrowStatement(Java1_4Parser.ThrowStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#breakStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitBreakStatement(Java1_4Parser.BreakStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#continueStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitContinueStatement(Java1_4Parser.ContinueStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#emptyStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitEmptyStatement(Java1_4Parser.EmptyStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#expressionStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitExpressionStatement(Java1_4Parser.ExpressionStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#assertStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitAssertStatement(Java1_4Parser.AssertStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#labeledStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitLabeledStatement(Java1_4Parser.LabeledStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#statementExpression}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitStatementExpression(Java1_4Parser.StatementExpressionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#constantExpression}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitConstantExpression(Java1_4Parser.ConstantExpressionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#catches}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitCatches(Java1_4Parser.CatchesContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#catchClause}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitCatchClause(Java1_4Parser.CatchClauseContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#finallyClause}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitFinallyClause(Java1_4Parser.FinallyClauseContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#switchBlockStatementGroup}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitSwitchBlockStatementGroup(Java1_4Parser.SwitchBlockStatementGroupContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#switchLabel}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitSwitchLabel(Java1_4Parser.SwitchLabelContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#forInit}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitForInit(Java1_4Parser.ForInitContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#forUpdate}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitForUpdate(Java1_4Parser.ForUpdateContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#modifier}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitModifier(Java1_4Parser.ModifierContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#variableDeclarators}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitVariableDeclarators(Java1_4Parser.VariableDeclaratorsContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#variableDeclarator}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitVariableDeclarator(Java1_4Parser.VariableDeclaratorContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#variableDeclaratorId}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitVariableDeclaratorId(Java1_4Parser.VariableDeclaratorIdContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#constantDeclarator}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitConstantDeclarator(Java1_4Parser.ConstantDeclaratorContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#compilationUnit}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitCompilationUnit(Java1_4Parser.CompilationUnitContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#importDeclaration}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitImportDeclaration(Java1_4Parser.ImportDeclarationContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#typeDeclaration}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitTypeDeclaration(Java1_4Parser.TypeDeclarationContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#classOrInterfaceDeclaration}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitClassOrInterfaceDeclaration(Java1_4Parser.ClassOrInterfaceDeclarationContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#classDeclaration}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitClassDeclaration(Java1_4Parser.ClassDeclarationContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#superclass}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitSuperclass(Java1_4Parser.SuperclassContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#superinterfaces}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitSuperinterfaces(Java1_4Parser.SuperinterfacesContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#interfaceDeclaration}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitInterfaceDeclaration(Java1_4Parser.InterfaceDeclarationContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#extendsInterfaces}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitExtendsInterfaces(Java1_4Parser.ExtendsInterfacesContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#typeList}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitTypeList(Java1_4Parser.TypeListContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#classBody}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitClassBody(Java1_4Parser.ClassBodyContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#interfaceBody}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitInterfaceBody(Java1_4Parser.InterfaceBodyContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#classBodyDeclaration}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitClassBodyDeclaration(Java1_4Parser.ClassBodyDeclarationContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#emptyDeclaration}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitEmptyDeclaration(Java1_4Parser.EmptyDeclarationContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#initializer}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitInitializer(Java1_4Parser.InitializerContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#staticInitializer}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitStaticInitializer(Java1_4Parser.StaticInitializerContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#memberDeclaration}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitMemberDeclaration(Java1_4Parser.MemberDeclarationContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#methodDeclaration}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitMethodDeclaration(Java1_4Parser.MethodDeclarationContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#result}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitResult(Java1_4Parser.ResultContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#throws_}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitThrows_(Java1_4Parser.Throws_Context ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#fieldDeclaration}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitFieldDeclaration(Java1_4Parser.FieldDeclarationContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#constructorDeclaration}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitConstructorDeclaration(Java1_4Parser.ConstructorDeclarationContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#constructorBody}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitConstructorBody(Java1_4Parser.ConstructorBodyContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#explicitConstructorInvocation}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitExplicitConstructorInvocation(Java1_4Parser.ExplicitConstructorInvocationContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#interfaceBodyDeclaration}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitInterfaceBodyDeclaration(Java1_4Parser.InterfaceBodyDeclarationContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#interfaceMemberDeclaration}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitInterfaceMemberDeclaration(Java1_4Parser.InterfaceMemberDeclarationContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#interfaceMethodDeclaration}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitInterfaceMethodDeclaration(Java1_4Parser.InterfaceMethodDeclarationContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#constantDeclaration}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitConstantDeclaration(Java1_4Parser.ConstantDeclarationContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#qualifiedIdentifiers}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitQualifiedIdentifiers(Java1_4Parser.QualifiedIdentifiersContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#formalParameters}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitFormalParameters(Java1_4Parser.FormalParametersContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link Java1_4Parser#formalParameter}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitFormalParameter(Java1_4Parser.FormalParameterContext ctx);
+}

src/org/lsmr/cfg/Node.java

@@ -0,0 +1,182 @@
+package org.lsmr.cfg;
+
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * Represents nodes in a CFG. Each node is expected to have a non-null,
+ * non-empty label. A node is tightly connected to a specific graph, so the
+ * creation of nodes is permitted only via
+ * {@link ControlFlowGraph#buildNode(String)}.
+ */
+public class Node {
+	private ControlFlowGraph graph;
+	private Set<Edge> inEdges = new HashSet<>();
+	private Set<Edge> outEdges = new HashSet<>();
+	private String label;
+
+	private int lineNumber;
+
+	Node(String label) {
+		if (label == null || label.length() < 1)
+			throw new IllegalArgumentException();
+
+		this.label = label;
+	}
+
+	public void setLineNumber(int lineNumber) {
+		this.lineNumber = lineNumber;
+	}
+
+	public int getLineNumber() {
+		return this.lineNumber;
+	}
+
+	/**
+	 * Accesses the label for this node.
+	 * 
+	 * @return The label for this node. Should not be null; should not be empty.
+	 */
+	public String label() {
+		return label;
+	}
+
+	/**
+	 * Accesses the parent graph for this node.
+	 * 
+	 * @return The parent graph for this node. Should not be null.
+	 */
+	public ControlFlowGraph graph() {
+		return graph;
+	}
+
+	/**
+	 * Accesses the out-edges of this node as an unmodifiable set.
+	 * 
+	 * @return An unmodifiable set of the out-edges of this node.
+	 */
+	public Set<Edge> outEdges() {
+		return Collections.unmodifiableSet(outEdges);
+	}
+
+	/**
+	 * Accesses the in-edges of this node as an unmodifiable set.
+	 * 
+	 * @return An unmodifiable set of the in-edges of this node.
+	 */
+	public Set<Edge> inEdges() {
+		return Collections.unmodifiableSet(inEdges);
+	}
+
+	/**
+	 * Adds the indicated edge to this node as an in-edge.
+	 * 
+	 * @param edge
+	 *             The edge to be added as an in-edge
+	 * @throws IllegalArgumentException
+	 *                                  If the edge is null.
+	 * @throws IllegalStateException
+	 *                                  If the target node of the edge is not
+	 *                                  identical to this node.
+	 */
+	public void addInEdge(Edge edge) {
+		if (edge == null)
+			throw new IllegalArgumentException();
+
+		if (edge.target() != this)
+			throw new IllegalStateException();
+
+		if (edge.source().graph() == null || edge.target().graph() == null)
+			throw new IllegalStateException();
+
+		inEdges.add(edge);
+	}
+
+	/**
+	 * Adds the indicated edge to this node as an out-edge.
+	 * 
+	 * @param edge
+	 *             The edge to be added as an out-edge
+	 * @throws IllegalArgumentException
+	 *                                  If the edge is null.
+	 * @throws IllegalStateException
+	 *                                  If the source node of the edge is not
+	 *                                  identical to this node.
+	 */
+	public void addOutEdge(Edge edge) {
+		if (edge == null)
+			throw new IllegalArgumentException();
+
+		if (edge.source() != this)
+			throw new IllegalStateException();
+
+		if (edge.source().graph() == null || (edge.target() != null && edge.target().graph() == null))
+			throw new IllegalStateException();
+
+		outEdges.add(edge);
+	}
+
+	void setGraph(ControlFlowGraph graph) {
+		if (this.graph != null) {
+			if (graph == null)
+				this.graph = null;
+		} else if (graph == null)
+			throw new IllegalArgumentException();
+		else
+			this.graph = graph;
+	}
+
+	@Override
+	public int hashCode() {
+		return label.hashCode();
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (obj instanceof Node) {
+			Node other = (Node) obj;
+
+			return label.equals(other.label);
+		}
+
+		return false;
+	}
+
+	@Override
+	public String toString() {
+		StringBuilder sb = new StringBuilder();
+
+		sb.append("node ");
+		sb.append(label);
+		sb.append(": in-edges [");
+
+		boolean start = true;
+
+		for (Edge edge : inEdges) {
+			if (start)
+				start = false;
+			else
+				sb.append(", ");
+
+			sb.append(edge.toString());
+		}
+
+		sb.append("]; out-edges [");
+
+		start = true;
+
+		for (Edge edge : outEdges) {
+			if (start)
+				start = false;
+			else
+				sb.append(", ");
+
+			sb.append(edge.toString());
+		}
+
+		sb.append("]");
+
+		return sb.toString();
+	}
+}

src/org/lsmr/cfg/TreePrinter.java

@@ -0,0 +1,607 @@
+package org.lsmr.cfg;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Stack;
+
+import org.antlr.v4.runtime.tree.ErrorNode;
+import org.antlr.v4.runtime.tree.ParseTree;
+import org.antlr.v4.runtime.tree.RuleNode;
+import org.antlr.v4.runtime.tree.TerminalNode;
+import org.lsmr.cfg.Edge.EdgeLabel;
+import org.lsmr.cfg.Java1_4Parser.ArgumentsContext;
+import org.lsmr.cfg.Java1_4Parser.ArrayCreatorRestContext;
+import org.lsmr.cfg.Java1_4Parser.ArrayInitializerContext;
+import org.lsmr.cfg.Java1_4Parser.AssertStatementContext;
+import org.lsmr.cfg.Java1_4Parser.AssignmentOperatorContext;
+import org.lsmr.cfg.Java1_4Parser.BasicTypeContext;
+import org.lsmr.cfg.Java1_4Parser.BlockContext;
+import org.lsmr.cfg.Java1_4Parser.BlockStatementContext;
+import org.lsmr.cfg.Java1_4Parser.BreakStatementContext;
+import org.lsmr.cfg.Java1_4Parser.CatchClauseContext;
+import org.lsmr.cfg.Java1_4Parser.CatchesContext;
+import org.lsmr.cfg.Java1_4Parser.ClassBodyContext;
+import org.lsmr.cfg.Java1_4Parser.ClassBodyDeclarationContext;
+import org.lsmr.cfg.Java1_4Parser.ClassCreatorRestContext;
+import org.lsmr.cfg.Java1_4Parser.ClassDeclarationContext;
+import org.lsmr.cfg.Java1_4Parser.ClassOrInterfaceDeclarationContext;
+import org.lsmr.cfg.Java1_4Parser.CompilationUnitContext;
+import org.lsmr.cfg.Java1_4Parser.ConstantDeclarationContext;
+import org.lsmr.cfg.Java1_4Parser.ConstantDeclaratorContext;
+import org.lsmr.cfg.Java1_4Parser.ConstantExpressionContext;
+import org.lsmr.cfg.Java1_4Parser.ConstructorBodyContext;
+import org.lsmr.cfg.Java1_4Parser.ConstructorDeclarationContext;
+import org.lsmr.cfg.Java1_4Parser.ContinueStatementContext;
+import org.lsmr.cfg.Java1_4Parser.CreatorContext;
+import org.lsmr.cfg.Java1_4Parser.DimsContext;
+import org.lsmr.cfg.Java1_4Parser.DoStatementContext;
+import org.lsmr.cfg.Java1_4Parser.ElseClauseContext;
+import org.lsmr.cfg.Java1_4Parser.EmptyDeclarationContext;
+import org.lsmr.cfg.Java1_4Parser.EmptyStatementContext;
+import org.lsmr.cfg.Java1_4Parser.ExplicitConstructorInvocationContext;
+import org.lsmr.cfg.Java1_4Parser.Expression1Context;
+import org.lsmr.cfg.Java1_4Parser.Expression1RestContext;
+import org.lsmr.cfg.Java1_4Parser.Expression2Context;
+import org.lsmr.cfg.Java1_4Parser.Expression2RestContext;
+import org.lsmr.cfg.Java1_4Parser.Expression3Context;
+import org.lsmr.cfg.Java1_4Parser.ExpressionContext;
+import org.lsmr.cfg.Java1_4Parser.ExpressionStatementContext;
+import org.lsmr.cfg.Java1_4Parser.ExtendsInterfacesContext;
+import org.lsmr.cfg.Java1_4Parser.FieldDeclarationContext;
+import org.lsmr.cfg.Java1_4Parser.FinallyClauseContext;
+import org.lsmr.cfg.Java1_4Parser.ForInitContext;
+import org.lsmr.cfg.Java1_4Parser.ForStatementContext;
+import org.lsmr.cfg.Java1_4Parser.ForUpdateContext;
+import org.lsmr.cfg.Java1_4Parser.FormalParameterContext;
+import org.lsmr.cfg.Java1_4Parser.FormalParametersContext;
+import org.lsmr.cfg.Java1_4Parser.IdentifierContext;
+import org.lsmr.cfg.Java1_4Parser.IdentifierSuffixContext;
+import org.lsmr.cfg.Java1_4Parser.IfStatementContext;
+import org.lsmr.cfg.Java1_4Parser.ImportDeclarationContext;
+import org.lsmr.cfg.Java1_4Parser.InfixOpContext;
+import org.lsmr.cfg.Java1_4Parser.InitializerContext;
+import org.lsmr.cfg.Java1_4Parser.InnerCreatorContext;
+import org.lsmr.cfg.Java1_4Parser.InterfaceBodyContext;
+import org.lsmr.cfg.Java1_4Parser.InterfaceBodyDeclarationContext;
+import org.lsmr.cfg.Java1_4Parser.InterfaceDeclarationContext;
+import org.lsmr.cfg.Java1_4Parser.InterfaceMemberDeclarationContext;
+import org.lsmr.cfg.Java1_4Parser.InterfaceMethodDeclarationContext;
+import org.lsmr.cfg.Java1_4Parser.LabeledStatementContext;
+import org.lsmr.cfg.Java1_4Parser.LiteralContext;
+import org.lsmr.cfg.Java1_4Parser.LocalVariableDeclarationStatementContext;
+import org.lsmr.cfg.Java1_4Parser.MemberDeclarationContext;
+import org.lsmr.cfg.Java1_4Parser.MethodDeclarationContext;
+import org.lsmr.cfg.Java1_4Parser.ModifierContext;
+import org.lsmr.cfg.Java1_4Parser.ParenthesizedExpressionContext;
+import org.lsmr.cfg.Java1_4Parser.PostfixOpContext;
+import org.lsmr.cfg.Java1_4Parser.PrefixOpContext;
+import org.lsmr.cfg.Java1_4Parser.PrimaryContext;
+import org.lsmr.cfg.Java1_4Parser.QualifiedIdentifierContext;
+import org.lsmr.cfg.Java1_4Parser.QualifiedIdentifiersContext;
+import org.lsmr.cfg.Java1_4Parser.ResultContext;
+import org.lsmr.cfg.Java1_4Parser.ReturnStatementContext;
+import org.lsmr.cfg.Java1_4Parser.SelectorContext;
+import org.lsmr.cfg.Java1_4Parser.StatementContext;
+import org.lsmr.cfg.Java1_4Parser.StatementExpressionContext;
+import org.lsmr.cfg.Java1_4Parser.StaticInitializerContext;
+import org.lsmr.cfg.Java1_4Parser.SuperSuffixContext;
+import org.lsmr.cfg.Java1_4Parser.SuperclassContext;
+import org.lsmr.cfg.Java1_4Parser.SuperinterfacesContext;
+import org.lsmr.cfg.Java1_4Parser.SwitchBlockStatementGroupContext;
+import org.lsmr.cfg.Java1_4Parser.SwitchLabelContext;
+import org.lsmr.cfg.Java1_4Parser.SwitchStatementContext;
+import org.lsmr.cfg.Java1_4Parser.SynchronizedStatementContext;
+import org.lsmr.cfg.Java1_4Parser.ThrowStatementContext;
+import org.lsmr.cfg.Java1_4Parser.Throws_Context;
+import org.lsmr.cfg.Java1_4Parser.TryStatementContext;
+import org.lsmr.cfg.Java1_4Parser.TypeContext;
+import org.lsmr.cfg.Java1_4Parser.TypeDeclarationContext;
+import org.lsmr.cfg.Java1_4Parser.TypeListContext;
+import org.lsmr.cfg.Java1_4Parser.VariableDeclaratorContext;
+import org.lsmr.cfg.Java1_4Parser.VariableDeclaratorIdContext;
+import org.lsmr.cfg.Java1_4Parser.VariableDeclaratorsContext;
+import org.lsmr.cfg.Java1_4Parser.VariableInitializerContext;
+import org.lsmr.cfg.Java1_4Parser.WhileStatementContext;
+
+/**
+ * This class will visit the nodes in a parse tree to print the resulting code.
+ */
+public class TreePrinter implements Java1_4ParserVisitor<String> {
+	@Override
+	public String visit(ParseTree arg0) {
+		return arg0.accept(this);
+	}
+
+	@Override
+	public String visitChildren(RuleNode arg0) {
+		StringBuilder sb = new StringBuilder();
+		int childCount = arg0.getChildCount();
+
+		for(int i = 0; i < childCount; i++) {
+			sb.append(visit(arg0.getChild(i)));
+			
+			if(sb.charAt(sb.length() - 1) != ' ')
+				sb.append(" ");
+		}
+
+		return sb.toString();
+	}
+
+	@Override
+	public String visitErrorNode(ErrorNode arg0) {
+		return null;
+	}
+
+	@Override
+	public String visitTerminal(TerminalNode arg0) {
+		return arg0.getText();
+	}
+
+	@Override
+	public String visitIdentifier(IdentifierContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitQualifiedIdentifier(QualifiedIdentifierContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitLiteral(LiteralContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitType(TypeContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitBasicType(BasicTypeContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitExpression(ExpressionContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitAssignmentOperator(AssignmentOperatorContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitExpression1(Expression1Context ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitExpression1Rest(Expression1RestContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitExpression2(Expression2Context ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitExpression2Rest(Expression2RestContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitInfixOp(InfixOpContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitExpression3(Expression3Context ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitPrefixOp(PrefixOpContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitPostfixOp(PostfixOpContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitPrimary(PrimaryContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitIdentifierSuffix(IdentifierSuffixContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitSelector(SelectorContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitSuperSuffix(SuperSuffixContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitArguments(ArgumentsContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitCreator(CreatorContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitInnerCreator(InnerCreatorContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitArrayCreatorRest(ArrayCreatorRestContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitClassCreatorRest(ClassCreatorRestContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitArrayInitializer(ArrayInitializerContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitVariableInitializer(VariableInitializerContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitBlock(BlockContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitBlockStatement(BlockStatementContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitLocalVariableDeclarationStatement(LocalVariableDeclarationStatementContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitAssertStatement(AssertStatementContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitBreakStatement(BreakStatementContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitContinueStatement(ContinueStatementContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitDoStatement(DoStatementContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitIfStatement(IfStatementContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitTryStatement(TryStatementContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitForStatement(ForStatementContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitWhileStatement(WhileStatementContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitSwitchStatement(SwitchStatementContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitSynchronizedStatement(SynchronizedStatementContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitReturnStatement(ReturnStatementContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitThrowStatement(ThrowStatementContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitEmptyStatement(EmptyStatementContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitExpressionStatement(ExpressionStatementContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitStatementExpression(StatementExpressionContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitConstantExpression(ConstantExpressionContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitCatches(CatchesContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitCatchClause(CatchClauseContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitSwitchBlockStatementGroup(SwitchBlockStatementGroupContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitSwitchLabel(SwitchLabelContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitForInit(ForInitContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitForUpdate(ForUpdateContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitModifier(ModifierContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitVariableDeclarators(VariableDeclaratorsContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitVariableDeclarator(VariableDeclaratorContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitVariableDeclaratorId(VariableDeclaratorIdContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitConstantDeclarator(ConstantDeclaratorContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitCompilationUnit(CompilationUnitContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitImportDeclaration(ImportDeclarationContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitTypeDeclaration(TypeDeclarationContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitClassOrInterfaceDeclaration(ClassOrInterfaceDeclarationContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitClassDeclaration(ClassDeclarationContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitInterfaceDeclaration(InterfaceDeclarationContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitTypeList(TypeListContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitClassBody(ClassBodyContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitInterfaceBody(InterfaceBodyContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitClassBodyDeclaration(ClassBodyDeclarationContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitMemberDeclaration(MemberDeclarationContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitMethodDeclaration(MethodDeclarationContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitInterfaceBodyDeclaration(InterfaceBodyDeclarationContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitFormalParameters(FormalParametersContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitFormalParameter(FormalParameterContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitDims(DimsContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitParenthesizedExpression(ParenthesizedExpressionContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitStatement(StatementContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitSuperclass(SuperclassContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitSuperinterfaces(SuperinterfacesContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitExtendsInterfaces(ExtendsInterfacesContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitEmptyDeclaration(EmptyDeclarationContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitInitializer(InitializerContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitStaticInitializer(StaticInitializerContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitResult(ResultContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitThrows_(Throws_Context ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitFieldDeclaration(FieldDeclarationContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitConstructorDeclaration(ConstructorDeclarationContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitConstructorBody(ConstructorBodyContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitExplicitConstructorInvocation(ExplicitConstructorInvocationContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitInterfaceMemberDeclaration(InterfaceMemberDeclarationContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitInterfaceMethodDeclaration(InterfaceMethodDeclarationContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitConstantDeclaration(ConstantDeclarationContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitQualifiedIdentifiers(QualifiedIdentifiersContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitElseClause(ElseClauseContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitFinallyClause(FinallyClauseContext ctx) {
+		return visitChildren(ctx);
+	}
+
+	@Override
+	public String visitLabeledStatement(LabeledStatementContext ctx) {
+		return visitChildren(ctx);
+	}
+}

src/pdg/PDG.java

@@ -0,0 +1,403 @@
+package pdg;
+
+import org.lsmr.cfg.*;
+import java.util.*;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+* Implementation notes:
+* - Control dependencies computed via iterative reachability analysis
+* - Data dependencies computed via reaching definitions analysis
+* - Support Java 1.4 syntax with simple pattern matching
+*
+*/
+public class PDG {
+
+    private ControlFlowGraph cfg;
+    private Map<String, Set<String>> controlDeps;
+    private Map<String, Set<String>> dataDeps;
+
+    public PDG(ControlFlowGraph cfg) {
+        this.cfg = cfg;
+        this.controlDeps = new HashMap<>();
+        this.dataDeps = new HashMap<>();
+
+        System.out.println("Building PDG...");
+        computeControlDependencies();
+        computeDataDependencies();
+        System.out.println("PDG complete!");
+    }
+
+    /**
+     * Compute control dependencies using simple reachability
+     */
+    private void computeControlDependencies() {
+        System.out.println("\tComputing control dependencies...");
+
+        boolean changed = true;
+
+        while (changed) {
+            changed = false;
+
+            for (Node node : cfg.nodes()) {
+                Set<String> deps = new HashSet<>();
+
+                for (Edge inEdge : node.inEdges()) {
+                    Node pred = inEdge.source();
+
+                    // get all deps from
+                    if (controlDeps.containsKey(pred.label())) {
+                        deps.addAll(controlDeps.get(pred.label()));
+                    }
+
+                    // update deps if pred is a branching node liek if and while
+                    if (pred.outEdges().size() > 1) {
+                        deps.add(pred.label());
+                    }
+                }
+                // compare prev iteration to current if we found changes in depns update control
+                // deps. else exit loop
+                Set<String> oldDeps = controlDeps.get(node.label());
+                if (oldDeps == null || !oldDeps.equals(deps)) {
+                    controlDeps.put(node.label(), deps);
+                    changed = true;
+                }
+            }
+        }
+
+        System.out.println("\t\tFound " + countDependencies(controlDeps) + " control dependencies");
+    }
+
+    /**
+     * Compute data dependencies using reaching definitions
+     */
+    private void computeDataDependencies() {
+        System.out.println("  Computing data dependencies...");
+
+        // 1. Find definitions and uses for each node
+        Map<String, Set<String>> defs = new HashMap<>();
+        Map<String, Set<String>> uses = new HashMap<>();
+
+        for (Node node : cfg.nodes()) {
+            String label = node.label();
+            defs.put(label, extractDefs(label));
+            uses.put(label, extractUses(label));
+        }
+        System.out.println(defs.toString());
+        System.out.println(uses.toString());
+
+        // 2. Compute reaching definitions
+        Map<String, Map<String, Set<String>>> reaching = computeReachingDefinitions(defs);
+
+        // 3. Build data dependencies
+        for (Node node : cfg.nodes()) {
+            String label = node.label();
+            Set<String> deps = new HashSet<>();
+
+            for (String var : uses.get(label)) {
+                if (reaching.containsKey(label) && reaching.get(label).containsKey(var)) {
+                    deps.addAll(reaching.get(label).get(var));
+                }
+            }
+
+            dataDeps.put(label, deps);
+        }
+
+        System.out.println("    Found " + countDependencies(dataDeps) + " data dependencies");
+    }
+
+    /**
+     * Extract variable definitions from a statement simple pattern matching for
+     * Java 1.4
+     */
+    private Set<String> extractDefs(String statement) {
+        Set<String> vars = new HashSet<>();
+        // exclude comments
+        if (statement.startsWith("*") || statement.startsWith("/"))
+            return vars;
+
+        // used for normal assignments exclude anything else
+        boolean isDef = statement.contains("=") &&
+                !statement.contains("==") &&
+                !statement.contains("<=") &&
+                !statement.contains(">=") &&
+                !statement.contains("!=");
+
+        if (isDef) {
+            String lhs = statement.substring(0, statement.indexOf('=')).trim();
+
+            // remove left over operators after getting teh substring
+            if (lhs.endsWith("+") || lhs.endsWith("-") || lhs.endsWith("*") || lhs.endsWith("/") || lhs.endsWith("%")
+                    || lhs.endsWith("&") || lhs.endsWith("|") || lhs.endsWith("^")) {
+                lhs = lhs.substring(0, lhs.length() - 1).trim();
+            }
+
+            // for possible arrays
+            if (lhs.contains("[")) {
+                lhs = lhs.substring(0, lhs.indexOf('[')).trim();
+            }
+
+            // get last "word" splits by whitespace
+            String[] tokens = lhs.split("\\s+");
+            if (tokens.length > 0) {
+                String var = tokens[tokens.length - 1];
+                if (!var.isEmpty() && Character.isJavaIdentifierStart(var.charAt(0))) {
+                    vars.add(var);
+                }
+            }
+        }
+
+        // Handle For Loops
+        if (statement.contains("for") && statement.contains("(")) {
+            String inside = statement.substring(statement.indexOf("(") + 1);
+            if (inside.contains(";")) {
+                String[] parts = inside.split(";");
+
+                // Init def: "int i = 0"
+                if (parts.length > 0 && parts[0].contains("=")) {
+                    String part = parts[0].substring(0, parts[0].indexOf('=')).trim();
+                    String[] tokens = part.split("\\s+");
+                    if (tokens.length > 0) {
+                        // retrieve last element
+                        String var = tokens[tokens.length - 1];
+                        vars.add(var);
+                    }
+                }
+
+                // Update def for: "i++", "i--", "++i"
+                if (parts.length >= 3) {
+                    String update = parts[parts.length - 1];
+                    update = update.replaceAll("\\)", ""); // remove closing paren if present
+                    if (update.contains("++") || update.contains("--")) {
+                        String var = update;
+                        if (!var.isEmpty())
+                            vars.add(var);
+                    }
+                }
+            }
+        }
+
+        return vars;
+    }
+
+    /**
+     * Extract variable uses from a statement
+     */
+    private Set<String> extractUses(String statement) {
+        Set<String> vars = new HashSet<>();
+
+        // check for normal definition
+        boolean isDef = statement.contains("=") &&
+                !statement.contains("==") &&
+                !statement.contains("<=") &&
+                !statement.contains(">=") &&
+                !statement.contains("!=");
+
+        String searchArea = statement;
+
+        // Two cases: 1. normal def only RHS matters 2. compound def both LHS and RHS
+        // matter
+        if (isDef) {
+            int eqIndex = statement.indexOf('=');
+            // check for += -= etc. if it exists we found a compound def
+            boolean isCompound = eqIndex > 0 && "+-*/%&|^".indexOf(statement.charAt(eqIndex - 1)) != -1;
+
+            if (isCompound) {
+                // both RHS & LHS
+                searchArea = statement;
+            } else {
+                // only RHS
+                searchArea = statement.substring(eqIndex + 1); // skip anything before =
+            }
+        }
+
+        // Tokenize and filter
+        // fancy split on non-identifier characters to extract all variables used
+        String[] tokens = searchArea.split("[^a-zA-Z0-9_]+");
+
+        for (int i = 0; i < tokens.length; i++) {
+            String token = tokens[i];
+            if (token.isEmpty())
+                continue;
+
+            // Basic validity checks
+            if (Character.isJavaIdentifierStart(token.charAt(0))
+                    && !isKeyword(token)
+                    && !token.matches("\\d+")) {
+                // skip if its a method
+                boolean isMethodCall = statement.matches(".*\\b" + token + "\\s*\\(.*");
+
+                if (!isMethodCall) {
+                    vars.add(token);
+                }
+            }
+        }
+        return vars;
+    }
+
+    /**
+     * Check if a word is a Java keyword
+     */
+    private boolean isKeyword(String word) {
+        Set<String> keywords = new HashSet<>(Arrays.asList(
+                "if", "else", "while", "for", "do", "return", "break", "continue",
+                "int", "double", "float", "char", "boolean", "void", "String",
+                "new", "null", "true", "false", "class", "public", "private",
+                "static", "final", "this", "super", "try", "catch", "throw", "throws", "EXIT", "block", "ENTRY",
+                "THROWN"));
+        return keywords.contains(word);
+    }
+
+    /**
+     * Compute reaching definitions using iterative data flow analysis
+     */
+    private Map<String, Map<String, Set<String>>> computeReachingDefinitions(
+            Map<String, Set<String>> defs) {
+
+        Map<String, Map<String, Set<String>>> reaching = new HashMap<>();
+        for (Node node : cfg.nodes()) {
+            reaching.put(node.label(), new HashMap<>());
+        }
+        boolean changed = true;
+        while (changed) {
+            changed = false;
+
+            for (Node node : cfg.nodes()) {
+                String label = node.label();
+                Map<String, Set<String>> oldReaching = new HashMap<>(reaching.get(label));
+                Map<String, Set<String>> newReaching = new HashMap<>();
+                for (Edge inEdge : node.inEdges()) {
+                    Node pred = inEdge.source();
+                    String predLabel = pred.label();
+
+                    Map<String, Set<String>> predOut = new HashMap<>();
+
+                    // In predecesor def
+                    if (reaching.containsKey(predLabel)) {
+                        for (Map.Entry<String, Set<String>> entry : reaching.get(predLabel).entrySet()) {
+                            // create a copy of the set
+                            predOut.put(entry.getKey(), new HashSet<>(entry.getValue()));
+                        }
+                    }
+
+                    // kill & gen
+                    if (defs.containsKey(predLabel)) {
+                        for (String var : defs.get(predLabel)) {
+                            // since new def, we update definition of x to new definition
+                            Set<String> newDef = new HashSet<>();
+                            newDef.add(predLabel);
+                            predOut.put(var, newDef);
+                        }
+                    }
+
+                    // merge
+                    for (Map.Entry<String, Set<String>> entry : predOut.entrySet()) {
+                        String var = entry.getKey();
+                        newReaching.putIfAbsent(var, new HashSet<>());
+                        newReaching.get(var).addAll(entry.getValue());
+                    }
+                }
+
+                reaching.put(label, newReaching);
+                // nothing changed then exit
+                if (!mapsEqual(oldReaching, newReaching)) {
+                    changed = true;
+                }
+            }
+        }
+
+        return reaching;
+    }
+
+    private boolean mapsEqual(Map<String, Set<String>> m1, Map<String, Set<String>> m2) {
+        if (m1.size() != m2.size())
+            return false;
+        for (String key : m1.keySet()) {
+            if (!m2.containsKey(key))
+                return false;
+            if (!m1.get(key).equals(m2.get(key)))
+                return false;
+        }
+        return true;
+    }
+
+    private int countDependencies(Map<String, Set<String>> deps) {
+        int count = 0;
+        for (Set<String> set : deps.values()) {
+            count += set.size();
+        }
+        return count;
+    }
+
+    public Set<String> getDependencies(String nodeLabel) {
+        Set<String> all = new HashSet<>();
+        if (controlDeps.containsKey(nodeLabel)) {
+            all.addAll(controlDeps.get(nodeLabel));
+        }
+        if (dataDeps.containsKey(nodeLabel)) {
+            all.addAll(dataDeps.get(nodeLabel));
+        }
+        return all;
+    }
+
+    public Set<String> computeForwardSlice(String nodeLabel) {
+        Set<String> slice = new HashSet<>();
+        Queue<String> worklist = new LinkedList<>();
+
+        slice.add(nodeLabel);
+        worklist.add(nodeLabel);
+        while (!worklist.isEmpty()) {
+            String current = worklist.poll();
+            for (String node : getAllNodes()) {
+                if (!slice.contains(node)) {
+                    Set<String> deps = getDependencies(node);
+                    if (deps.contains(current)) {
+                        slice.add(node);
+                        worklist.add(node);
+                    }
+                }
+            }
+        }
+
+        return slice;
+    }
+
+    private Set<String> getAllNodes() {
+        Set<String> nodes = new HashSet<>();
+        for (Node node : cfg.nodes()) {
+            nodes.add(node.label());
+        }
+        return nodes;
+    }
+
+    public void printPDG() {
+        System.out.println("CONTROL DEPENDENCIES:");
+        for (Map.Entry<String, Set<String>> entry : controlDeps.entrySet()) {
+            if (!entry.getValue().isEmpty()) {
+                System.out.println("  " + entry.getKey());
+                for (String dep : entry.getValue()) {
+                    System.out.println("    <- " + dep);
+                }
+            }
+        }
+
+        System.out.println("\nDATA DEPENDENCIES:");
+        for (Map.Entry<String, Set<String>> entry : dataDeps.entrySet()) {
+            if (!entry.getValue().isEmpty()) {
+                System.out.println("  " + entry.getKey());
+                for (String dep : entry.getValue()) {
+                    System.out.println("    <- " + dep);
+                }
+            }
+        }
+    }
+
+    public Map<String, Set<String>> getControlDependencies() {
+        return new HashMap<>(controlDeps);
+    }
+
+    public Map<String, Set<String>> getDataDependencies() {
+        return new HashMap<>(dataDeps);
+    }
+}

tests/Example1.java

@@ -0,0 +1,30 @@
+public class Example1 {
+    // public void test() {
+    // int x = 5;
+    // int y = x + 10;
+    // int z = y * 2;
+    // int result = z + x;
+    // }
+    // public void test1(int a) {
+    // int x = 5;
+    // int y = 0;
+
+    // if (a > 10) {
+    // y = x + a;
+    // } else {
+    // y = x - a;
+    // }
+
+    // int result = y * 2;
+    // }
+    public void test2() {
+        int sum = 0;
+        int i = 0;
+
+        while (i < 10) {
+            i = 2;
+            sum = sum + i;
+            i = i + 1;
+        }
+    }
+}

tests/test1.java

@@ -0,0 +1,8 @@
+public class test1 {
+    public static void main(String[] args) {
+        int x = 5;           // Line 3
+        int y = x + 2;       // Line 4
+        int z = y * 3;       // Line 5
+        System.out.println(z); // Line 6
+    }
+}

tests/test10.java

@@ -0,0 +1,12 @@
+public class test10{
+    public static void main(String[] args) {
+        int a = 2;           // Line 3
+        int b = 3;           // Line 4
+        int c = 4;           // Line 5
+        int result = (a + b) * c; // Line 6
+        int x = result / 2;  // Line 7
+        if (x > 5) {         // Line 8
+            System.out.println(x); // Line 9
+        }
+    }
+}

tests/test2.java

@@ -0,0 +1,11 @@
+public class test2{
+    public static void main(String[] args) {
+        int x = 10;          // Line 3
+        int y = 0;           // Line 4
+        if (x > 5) {         // Line 5
+            y = x * 2;       // Line 6
+        }
+        int z = y + 1;       // Line 8
+        System.out.println(z); // Line 9
+    }
+}

tests/test3.java

@@ -0,0 +1,10 @@
+public class test3 {
+    public static void main(String[] args) {
+        int sum = 0;         // Line 3
+        int i;               // Line 4
+        for (i = 0; i < 5; i++) {  // Line 5
+            sum = sum + i;   // Line 6
+        }
+        System.out.println(sum); // Line 8
+    }
+}

tests/test4.java

@@ -0,0 +1,13 @@
+public class test4{
+    public static void main(String[] args) {
+        int x = 10;          // Line 3
+        int y = 0;           // Line 4
+        if (x > 5) {         // Line 5
+            y = x + 10;      // Line 6
+        } else {
+            y = x - 10;      // Line 8
+        }
+        int z = y * 2;       // Line 10
+        System.out.println(z); // Line 11
+    }
+}

tests/test5.java

@@ -0,0 +1,9 @@
+public class test5 {
+    public static void main(String[] args) {
+        int a = 5;           // Line 3
+        int b = a + 2;       // Line 4
+        int c = a * 3;       // Line 5
+        int d = b + c;       // Line 6
+        System.out.println(d); // Line 7
+    }
+}

tests/test6.java

@@ -0,0 +1,13 @@
+public class test6{
+    public static void main(String[] args) {
+        int x = 10;          // Line 3
+        int y = 0;           // Line 4
+        if (x > 5) {         // Line 5
+            if (x > 8) {     // Line 6
+                y = x * 2;   // Line 7
+            }
+        }
+        int z = y + 1;       // Line 10
+        System.out.println(z); // Line 11
+    }
+}

tests/test7.java

@@ -0,0 +1,11 @@
+public class test7 {
+    public static void main(String[] args) {
+        int count = 0;       // Line 3
+        int sum = 0;         // Line 4
+        while (count < 5) {  // Line 5
+            sum = sum + count; // Line 6
+            count = count + 1; // Line 7
+        }
+        System.out.println(sum); // Line 9
+    }
+}

tests/test8.java

@@ -0,0 +1,10 @@
+public class test8 {
+    public static void main(String[] args) {
+        int x = 5;           // Line 3
+        int y = x + 1;       // Line 4
+        x = 10;              // Line 5
+        int z = x * 2;       // Line 6
+        System.out.println(y); // Line 7
+        System.out.println(z); // Line 8
+    }
+}

tests/test9.java

@@ -0,0 +1,10 @@
+public class test9{
+    public static void main(String[] args) {
+        int x = 5;           // Line 3
+        int y = 10;          // Line 4
+        int z = x + 1;       // Line 5
+        int w = y + 2;       // Line 6
+        System.out.println(z); // Line 7
+        System.out.println(w); // Line 8
+    }
+}