InitHEADmain

12 files changed, 791 insertions, 0 deletions

diff --git a/Homework/cs5300/project-three/lexer/ExprLexer.interp b/Homework/cs5300/project-three/lexer/ExprLexer.interp
new file mode 100644
index 0000000..c9ec8c0
--- /dev/null
+++ b/Homework/cs5300/project-three/lexer/ExprLexer.interp
@@ -0,0 +1,52 @@
+token literal names:
+null
+'+'
+'-'
+'*'
+'/'
+'('
+')'
+null
+null
+null
+null
+null
+
+token symbolic names:
+null
+PLUS
+MINUS
+MULTIPLY
+DIVIDE
+OPAREN
+CPAREN
+FLOAT
+INT
+IDENTIFIER
+COMMENT
+WS
+
+rule names:
+PLUS
+MINUS
+MULTIPLY
+DIVIDE
+OPAREN
+CPAREN
+FLOAT
+INT
+IDENTIFIER
+COMMENT
+WS
+LETTER
+DIGIT
+
+channel names:
+DEFAULT_TOKEN_CHANNEL
+HIDDEN
+
+mode names:
+DEFAULT_MODE
+
+atn:
+[3, 24715, 42794, 33075, 47597, 16764, 15335, 30598, 22884, 2, 13, 104, 8, 1, 4, 2, 9, 2, 4, 3, 9, 3, 4, 4, 9, 4, 4, 5, 9, 5, 4, 6, 9, 6, 4, 7, 9, 7, 4, 8, 9, 8, 4, 9, 9, 9, 4, 10, 9, 10, 4, 11, 9, 11, 4, 12, 9, 12, 4, 13, 9, 13, 4, 14, 9, 14, 3, 2, 3, 2, 3, 3, 3, 3, 3, 4, 3, 4, 3, 5, 3, 5, 3, 6, 3, 6, 3, 7, 3, 7, 3, 8, 6, 8, 43, 10, 8, 13, 8, 14, 8, 44, 3, 8, 3, 8, 6, 8, 49, 10, 8, 13, 8, 14, 8, 50, 3, 9, 6, 9, 54, 10, 9, 13, 9, 14, 9, 55, 3, 10, 3, 10, 3, 10, 7, 10, 61, 10, 10, 12, 10, 14, 10, 64, 11, 10, 3, 11, 3, 11, 3, 11, 3, 11, 7, 11, 70, 10, 11, 12, 11, 14, 11, 73, 11, 11, 3, 11, 5, 11, 76, 10, 11, 3, 11, 3, 11, 3, 11, 3, 11, 3, 11, 7, 11, 83, 10, 11, 12, 11, 14, 11, 86, 11, 11, 3, 11, 3, 11, 5, 11, 90, 10, 11, 3, 11, 3, 11, 3, 12, 6, 12, 95, 10, 12, 13, 12, 14, 12, 96, 3, 12, 3, 12, 3, 13, 3, 13, 3, 14, 3, 14, 3, 84, 2, 15, 3, 3, 5, 4, 7, 5, 9, 6, 11, 7, 13, 8, 15, 9, 17, 10, 19, 11, 21, 12, 23, 13, 25, 2, 27, 2, 3, 2, 5, 4, 2, 12, 12, 15, 15, 5, 2, 11, 12, 14, 15, 34, 34, 4, 2, 67, 92, 99, 124, 2, 111, 2, 3, 3, 2, 2, 2, 2, 5, 3, 2, 2, 2, 2, 7, 3, 2, 2, 2, 2, 9, 3, 2, 2, 2, 2, 11, 3, 2, 2, 2, 2, 13, 3, 2, 2, 2, 2, 15, 3, 2, 2, 2, 2, 17, 3, 2, 2, 2, 2, 19, 3, 2, 2, 2, 2, 21, 3, 2, 2, 2, 2, 23, 3, 2, 2, 2, 3, 29, 3, 2, 2, 2, 5, 31, 3, 2, 2, 2, 7, 33, 3, 2, 2, 2, 9, 35, 3, 2, 2, 2, 11, 37, 3, 2, 2, 2, 13, 39, 3, 2, 2, 2, 15, 42, 3, 2, 2, 2, 17, 53, 3, 2, 2, 2, 19, 57, 3, 2, 2, 2, 21, 89, 3, 2, 2, 2, 23, 94, 3, 2, 2, 2, 25, 100, 3, 2, 2, 2, 27, 102, 3, 2, 2, 2, 29, 30, 7, 45, 2, 2, 30, 4, 3, 2, 2, 2, 31, 32, 7, 47, 2, 2, 32, 6, 3, 2, 2, 2, 33, 34, 7, 44, 2, 2, 34, 8, 3, 2, 2, 2, 35, 36, 7, 49, 2, 2, 36, 10, 3, 2, 2, 2, 37, 38, 7, 42, 2, 2, 38, 12, 3, 2, 2, 2, 39, 40, 7, 43, 2, 2, 40, 14, 3, 2, 2, 2, 41, 43, 5, 27, 14, 2, 42, 41, 3, 2, 2, 2, 43, 44, 3, 2, 2, 2, 44, 42, 3, 2, 2, 2, 44, 45, 3, 2, 2, 2, 45, 46, 3, 2, 2, 2, 46, 48, 7, 48, 2, 2, 47, 49, 5, 27, 14, 2, 48, 47, 3, 2, 2, 2, 49, 50, 3, 2, 2, 2, 50, 48, 3, 2, 2, 2, 50, 51, 3, 2, 2, 2, 51, 16, 3, 2, 2, 2, 52, 54, 5, 27, 14, 2, 53, 52, 3, 2, 2, 2, 54, 55, 3, 2, 2, 2, 55, 53, 3, 2, 2, 2, 55, 56, 3, 2, 2, 2, 56, 18, 3, 2, 2, 2, 57, 62, 5, 25, 13, 2, 58, 61, 5, 25, 13, 2, 59, 61, 5, 27, 14, 2, 60, 58, 3, 2, 2, 2, 60, 59, 3, 2, 2, 2, 61, 64, 3, 2, 2, 2, 62, 60, 3, 2, 2, 2, 62, 63, 3, 2, 2, 2, 63, 20, 3, 2, 2, 2, 64, 62, 3, 2, 2, 2, 65, 66, 7, 49, 2, 2, 66, 67, 7, 49, 2, 2, 67, 71, 3, 2, 2, 2, 68, 70, 10, 2, 2, 2, 69, 68, 3, 2, 2, 2, 70, 73, 3, 2, 2, 2, 71, 69, 3, 2, 2, 2, 71, 72, 3, 2, 2, 2, 72, 75, 3, 2, 2, 2, 73, 71, 3, 2, 2, 2, 74, 76, 7, 15, 2, 2, 75, 74, 3, 2, 2, 2, 75, 76, 3, 2, 2, 2, 76, 77, 3, 2, 2, 2, 77, 90, 7, 12, 2, 2, 78, 79, 7, 49, 2, 2, 79, 80, 7, 44, 2, 2, 80, 84, 3, 2, 2, 2, 81, 83, 11, 2, 2, 2, 82, 81, 3, 2, 2, 2, 83, 86, 3, 2, 2, 2, 84, 85, 3, 2, 2, 2, 84, 82, 3, 2, 2, 2, 85, 87, 3, 2, 2, 2, 86, 84, 3, 2, 2, 2, 87, 88, 7, 44, 2, 2, 88, 90, 7, 49, 2, 2, 89, 65, 3, 2, 2, 2, 89, 78, 3, 2, 2, 2, 90, 91, 3, 2, 2, 2, 91, 92, 8, 11, 2, 2, 92, 22, 3, 2, 2, 2, 93, 95, 9, 3, 2, 2, 94, 93, 3, 2, 2, 2, 95, 96, 3, 2, 2, 2, 96, 94, 3, 2, 2, 2, 96, 97, 3, 2, 2, 2, 97, 98, 3, 2, 2, 2, 98, 99, 8, 12, 2, 2, 99, 24, 3, 2, 2, 2, 100, 101, 9, 4, 2, 2, 101, 26, 3, 2, 2, 2, 102, 103, 4, 50, 59, 2, 103, 28, 3, 2, 2, 2, 13, 2, 44, 50, 55, 60, 62, 71, 75, 84, 89, 96, 3, 8, 2, 2]
\ No newline at end of file
diff --git a/Homework/cs5300/project-three/lexer/ExprLexer.java b/Homework/cs5300/project-three/lexer/ExprLexer.java
new file mode 100644
index 0000000..b9d760b
--- /dev/null
+++ b/Homework/cs5300/project-three/lexer/ExprLexer.java
@@ -0,0 +1,145 @@
+// Generated from ExprLexer.tokens by ANTLR 4.9.1
+package lexer;
+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"})
+public class ExprLexer extends Lexer {
+	static { RuntimeMetaData.checkVersion("4.9.1", RuntimeMetaData.VERSION); }
+
+	protected static final DFA[] _decisionToDFA;
+	protected static final PredictionContextCache _sharedContextCache =
+		new PredictionContextCache();
+	public static final int
+		PLUS=1, MINUS=2, MULTIPLY=3, DIVIDE=4, OPAREN=5, CPAREN=6, FLOAT=7, INT=8, 
+		IDENTIFIER=9, COMMENT=10, WS=11;
+	public static String[] channelNames = {
+		"DEFAULT_TOKEN_CHANNEL", "HIDDEN"
+	};
+
+	public static String[] modeNames = {
+		"DEFAULT_MODE"
+	};
+
+	private static String[] makeRuleNames() {
+		return new String[] {
+			"PLUS", "MINUS", "MULTIPLY", "DIVIDE", "OPAREN", "CPAREN", "FLOAT", "INT", 
+			"IDENTIFIER", "COMMENT", "WS", "LETTER", "DIGIT"
+		};
+	}
+	public static final String[] ruleNames = makeRuleNames();
+
+	private static String[] makeLiteralNames() {
+		return new String[] {
+			null, "'+'", "'-'", "'*'", "'/'", "'('", "')'"
+		};
+	}
+	private static final String[] _LITERAL_NAMES = makeLiteralNames();
+	private static String[] makeSymbolicNames() {
+		return new String[] {
+			null, "PLUS", "MINUS", "MULTIPLY", "DIVIDE", "OPAREN", "CPAREN", "FLOAT", 
+			"INT", "IDENTIFIER", "COMMENT", "WS"
+		};
+	}
+	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.tokens"; }
+
+	@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 =
+		"\3\u608b\ua72a\u8133\ub9ed\u417c\u3be7\u7786\u5964\2\rh\b\1\4\2\t\2\4"+
+		"\3\t\3\4\4\t\4\4\5\t\5\4\6\t\6\4\7\t\7\4\b\t\b\4\t\t\t\4\n\t\n\4\13\t"+
+		"\13\4\f\t\f\4\r\t\r\4\16\t\16\3\2\3\2\3\3\3\3\3\4\3\4\3\5\3\5\3\6\3\6"+
+		"\3\7\3\7\3\b\6\b+\n\b\r\b\16\b,\3\b\3\b\6\b\61\n\b\r\b\16\b\62\3\t\6\t"+
+		"\66\n\t\r\t\16\t\67\3\n\3\n\3\n\7\n=\n\n\f\n\16\n@\13\n\3\13\3\13\3\13"+
+		"\3\13\7\13F\n\13\f\13\16\13I\13\13\3\13\5\13L\n\13\3\13\3\13\3\13\3\13"+
+		"\3\13\7\13S\n\13\f\13\16\13V\13\13\3\13\3\13\5\13Z\n\13\3\13\3\13\3\f"+
+		"\6\f_\n\f\r\f\16\f`\3\f\3\f\3\r\3\r\3\16\3\16\3T\2\17\3\3\5\4\7\5\t\6"+
+		"\13\7\r\b\17\t\21\n\23\13\25\f\27\r\31\2\33\2\3\2\5\4\2\f\f\17\17\5\2"+
+		"\13\f\16\17\"\"\4\2C\\c|\2o\2\3\3\2\2\2\2\5\3\2\2\2\2\7\3\2\2\2\2\t\3"+
+		"\2\2\2\2\13\3\2\2\2\2\r\3\2\2\2\2\17\3\2\2\2\2\21\3\2\2\2\2\23\3\2\2\2"+
+		"\2\25\3\2\2\2\2\27\3\2\2\2\3\35\3\2\2\2\5\37\3\2\2\2\7!\3\2\2\2\t#\3\2"+
+		"\2\2\13%\3\2\2\2\r\'\3\2\2\2\17*\3\2\2\2\21\65\3\2\2\2\239\3\2\2\2\25"+
+		"Y\3\2\2\2\27^\3\2\2\2\31d\3\2\2\2\33f\3\2\2\2\35\36\7-\2\2\36\4\3\2\2"+
+		"\2\37 \7/\2\2 \6\3\2\2\2!\"\7,\2\2\"\b\3\2\2\2#$\7\61\2\2$\n\3\2\2\2%"+
+		"&\7*\2\2&\f\3\2\2\2\'(\7+\2\2(\16\3\2\2\2)+\5\33\16\2*)\3\2\2\2+,\3\2"+
+		"\2\2,*\3\2\2\2,-\3\2\2\2-.\3\2\2\2.\60\7\60\2\2/\61\5\33\16\2\60/\3\2"+
+		"\2\2\61\62\3\2\2\2\62\60\3\2\2\2\62\63\3\2\2\2\63\20\3\2\2\2\64\66\5\33"+
+		"\16\2\65\64\3\2\2\2\66\67\3\2\2\2\67\65\3\2\2\2\678\3\2\2\28\22\3\2\2"+
+		"\29>\5\31\r\2:=\5\31\r\2;=\5\33\16\2<:\3\2\2\2<;\3\2\2\2=@\3\2\2\2><\3"+
+		"\2\2\2>?\3\2\2\2?\24\3\2\2\2@>\3\2\2\2AB\7\61\2\2BC\7\61\2\2CG\3\2\2\2"+
+		"DF\n\2\2\2ED\3\2\2\2FI\3\2\2\2GE\3\2\2\2GH\3\2\2\2HK\3\2\2\2IG\3\2\2\2"+
+		"JL\7\17\2\2KJ\3\2\2\2KL\3\2\2\2LM\3\2\2\2MZ\7\f\2\2NO\7\61\2\2OP\7,\2"+
+		"\2PT\3\2\2\2QS\13\2\2\2RQ\3\2\2\2SV\3\2\2\2TU\3\2\2\2TR\3\2\2\2UW\3\2"+
+		"\2\2VT\3\2\2\2WX\7,\2\2XZ\7\61\2\2YA\3\2\2\2YN\3\2\2\2Z[\3\2\2\2[\\\b"+
+		"\13\2\2\\\26\3\2\2\2]_\t\3\2\2^]\3\2\2\2_`\3\2\2\2`^\3\2\2\2`a\3\2\2\2"+
+		"ab\3\2\2\2bc\b\f\2\2c\30\3\2\2\2de\t\4\2\2e\32\3\2\2\2fg\4\62;\2g\34\3"+
+		"\2\2\2\r\2,\62\67<>GKTY`\3\b\2\2";
+	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);
+		}
+	}
+}
\ No newline at end of file
diff --git a/Homework/cs5300/project-three/lexer/ExprLexer.tokens b/Homework/cs5300/project-three/lexer/ExprLexer.tokens
new file mode 100644
index 0000000..295e180
--- /dev/null
+++ b/Homework/cs5300/project-three/lexer/ExprLexer.tokens
@@ -0,0 +1,17 @@
+PLUS=1
+MINUS=2
+MULTIPLY=3
+DIVIDE=4
+OPAREN=5
+CPAREN=6
+FLOAT=7
+INT=8
+IDENTIFIER=9
+COMMENT=10
+WS=11
+'+'=1
+'-'=2
+'*'=3
+'/'=4
+'('=5
+')'=6
diff --git a/Homework/cs5300/project-three/lexer/ParenLexer.interp b/Homework/cs5300/project-three/lexer/ParenLexer.interp
new file mode 100644
index 0000000..d973cba
--- /dev/null
+++ b/Homework/cs5300/project-three/lexer/ParenLexer.interp
@@ -0,0 +1,26 @@
+token literal names:
+null
+'('
+')'
+null
+
+token symbolic names:
+null
+OPAREN
+CPAREN
+WS
+
+rule names:
+OPAREN
+CPAREN
+WS
+
+channel names:
+DEFAULT_TOKEN_CHANNEL
+HIDDEN
+
+mode names:
+DEFAULT_MODE
+
+atn:
+[3, 24715, 42794, 33075, 47597, 16764, 15335, 30598, 22884, 2, 5, 20, 8, 1, 4, 2, 9, 2, 4, 3, 9, 3, 4, 4, 9, 4, 3, 2, 3, 2, 3, 3, 3, 3, 3, 4, 6, 4, 15, 10, 4, 13, 4, 14, 4, 16, 3, 4, 3, 4, 2, 2, 5, 3, 3, 5, 4, 7, 5, 3, 2, 3, 5, 2, 11, 12, 14, 15, 34, 34, 2, 20, 2, 3, 3, 2, 2, 2, 2, 5, 3, 2, 2, 2, 2, 7, 3, 2, 2, 2, 3, 9, 3, 2, 2, 2, 5, 11, 3, 2, 2, 2, 7, 14, 3, 2, 2, 2, 9, 10, 7, 42, 2, 2, 10, 4, 3, 2, 2, 2, 11, 12, 7, 43, 2, 2, 12, 6, 3, 2, 2, 2, 13, 15, 9, 2, 2, 2, 14, 13, 3, 2, 2, 2, 15, 16, 3, 2, 2, 2, 16, 14, 3, 2, 2, 2, 16, 17, 3, 2, 2, 2, 17, 18, 3, 2, 2, 2, 18, 19, 8, 4, 2, 2, 19, 8, 3, 2, 2, 2, 4, 2, 16, 3, 8, 2, 2]
\ No newline at end of file
diff --git a/Homework/cs5300/project-three/lexer/ParenLexer.java b/Homework/cs5300/project-three/lexer/ParenLexer.java
new file mode 100644
index 0000000..3ac9511
--- /dev/null
+++ b/Homework/cs5300/project-three/lexer/ParenLexer.java
@@ -0,0 +1,121 @@
+// Generated from ParenLexer.tokens by ANTLR 4.9.1
+package lexer;
+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"})
+public class ParenLexer extends Lexer {
+	static { RuntimeMetaData.checkVersion("4.9.1", RuntimeMetaData.VERSION); }
+
+	protected static final DFA[] _decisionToDFA;
+	protected static final PredictionContextCache _sharedContextCache =
+		new PredictionContextCache();
+	public static final int
+		OPAREN=1, CPAREN=2, WS=3;
+	public static String[] channelNames = {
+		"DEFAULT_TOKEN_CHANNEL", "HIDDEN"
+	};
+
+	public static String[] modeNames = {
+		"DEFAULT_MODE"
+	};
+
+	private static String[] makeRuleNames() {
+		return new String[] {
+			"OPAREN", "CPAREN", "WS"
+		};
+	}
+	public static final String[] ruleNames = makeRuleNames();
+
+	private static String[] makeLiteralNames() {
+		return new String[] {
+			null, "'('", "')'"
+		};
+	}
+	private static final String[] _LITERAL_NAMES = makeLiteralNames();
+	private static String[] makeSymbolicNames() {
+		return new String[] {
+			null, "OPAREN", "CPAREN", "WS"
+		};
+	}
+	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 ParenLexer(CharStream input) {
+		super(input);
+		_interp = new LexerATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
+	}
+
+	@Override
+	public String getGrammarFileName() { return "ParenLexer.tokens"; }
+
+	@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 =
+		"\3\u608b\ua72a\u8133\ub9ed\u417c\u3be7\u7786\u5964\2\5\24\b\1\4\2\t\2"+
+		"\4\3\t\3\4\4\t\4\3\2\3\2\3\3\3\3\3\4\6\4\17\n\4\r\4\16\4\20\3\4\3\4\2"+
+		"\2\5\3\3\5\4\7\5\3\2\3\5\2\13\f\16\17\"\"\2\24\2\3\3\2\2\2\2\5\3\2\2\2"+
+		"\2\7\3\2\2\2\3\t\3\2\2\2\5\13\3\2\2\2\7\16\3\2\2\2\t\n\7*\2\2\n\4\3\2"+
+		"\2\2\13\f\7+\2\2\f\6\3\2\2\2\r\17\t\2\2\2\16\r\3\2\2\2\17\20\3\2\2\2\20"+
+		"\16\3\2\2\2\20\21\3\2\2\2\21\22\3\2\2\2\22\23\b\4\2\2\23\b\3\2\2\2\4\2"+
+		"\20\3\b\2\2";
+	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);
+		}
+	}
+}
\ No newline at end of file
diff --git a/Homework/cs5300/project-three/lexer/ParenLexer.tokens b/Homework/cs5300/project-three/lexer/ParenLexer.tokens
new file mode 100644
index 0000000..a29ddff
--- /dev/null
+++ b/Homework/cs5300/project-three/lexer/ParenLexer.tokens
@@ -0,0 +1,5 @@
+OPAREN=1
+CPAREN=2
+WS=3
+'('=1
+')'=2
diff --git a/Homework/cs5300/project-three/lexer/SimpleLexer.interp b/Homework/cs5300/project-three/lexer/SimpleLexer.interp
new file mode 100644
index 0000000..8d4c41c
--- /dev/null
+++ b/Homework/cs5300/project-three/lexer/SimpleLexer.interp
@@ -0,0 +1,23 @@
+token literal names:
+null
+'x'
+null
+
+token symbolic names:
+null
+X
+WS
+
+rule names:
+X
+WS
+
+channel names:
+DEFAULT_TOKEN_CHANNEL
+HIDDEN
+
+mode names:
+DEFAULT_MODE
+
+atn:
+[3, 24715, 42794, 33075, 47597, 16764, 15335, 30598, 22884, 2, 4, 16, 8, 1, 4, 2, 9, 2, 4, 3, 9, 3, 3, 2, 3, 2, 3, 3, 6, 3, 11, 10, 3, 13, 3, 14, 3, 12, 3, 3, 3, 3, 2, 2, 4, 3, 3, 5, 4, 3, 2, 3, 5, 2, 11, 12, 14, 15, 34, 34, 2, 16, 2, 3, 3, 2, 2, 2, 2, 5, 3, 2, 2, 2, 3, 7, 3, 2, 2, 2, 5, 10, 3, 2, 2, 2, 7, 8, 7, 122, 2, 2, 8, 4, 3, 2, 2, 2, 9, 11, 9, 2, 2, 2, 10, 9, 3, 2, 2, 2, 11, 12, 3, 2, 2, 2, 12, 10, 3, 2, 2, 2, 12, 13, 3, 2, 2, 2, 13, 14, 3, 2, 2, 2, 14, 15, 8, 3, 2, 2, 15, 6, 3, 2, 2, 2, 4, 2, 12, 3, 8, 2, 2]
\ No newline at end of file
diff --git a/Homework/cs5300/project-three/lexer/SimpleLexer.java b/Homework/cs5300/project-three/lexer/SimpleLexer.java
new file mode 100644
index 0000000..f6ce847
--- /dev/null
+++ b/Homework/cs5300/project-three/lexer/SimpleLexer.java
@@ -0,0 +1,120 @@
+// Generated from SimpleLexer.tokens by ANTLR 4.9.1
+package lexer;
+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"})
+public class SimpleLexer extends Lexer {
+	static { RuntimeMetaData.checkVersion("4.9.1", RuntimeMetaData.VERSION); }
+
+	protected static final DFA[] _decisionToDFA;
+	protected static final PredictionContextCache _sharedContextCache =
+		new PredictionContextCache();
+	public static final int
+		X=1, WS=2;
+	public static String[] channelNames = {
+		"DEFAULT_TOKEN_CHANNEL", "HIDDEN"
+	};
+
+	public static String[] modeNames = {
+		"DEFAULT_MODE"
+	};
+
+	private static String[] makeRuleNames() {
+		return new String[] {
+			"X", "WS"
+		};
+	}
+	public static final String[] ruleNames = makeRuleNames();
+
+	private static String[] makeLiteralNames() {
+		return new String[] {
+			null, "'x'"
+		};
+	}
+	private static final String[] _LITERAL_NAMES = makeLiteralNames();
+	private static String[] makeSymbolicNames() {
+		return new String[] {
+			null, "X", "WS"
+		};
+	}
+	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 SimpleLexer(CharStream input) {
+		super(input);
+		_interp = new LexerATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
+	}
+
+	@Override
+	public String getGrammarFileName() { return "SimpleLexer.tokens"; }
+
+	@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 =
+		"\3\u608b\ua72a\u8133\ub9ed\u417c\u3be7\u7786\u5964\2\4\20\b\1\4\2\t\2"+
+		"\4\3\t\3\3\2\3\2\3\3\6\3\13\n\3\r\3\16\3\f\3\3\3\3\2\2\4\3\3\5\4\3\2\3"+
+		"\5\2\13\f\16\17\"\"\2\20\2\3\3\2\2\2\2\5\3\2\2\2\3\7\3\2\2\2\5\n\3\2\2"+
+		"\2\7\b\7z\2\2\b\4\3\2\2\2\t\13\t\2\2\2\n\t\3\2\2\2\13\f\3\2\2\2\f\n\3"+
+		"\2\2\2\f\r\3\2\2\2\r\16\3\2\2\2\16\17\b\3\2\2\17\6\3\2\2\2\4\2\f\3\b\2"+
+		"\2";
+	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);
+		}
+	}
+}
\ No newline at end of file
diff --git a/Homework/cs5300/project-three/lexer/SimpleLexer.tokens b/Homework/cs5300/project-three/lexer/SimpleLexer.tokens
new file mode 100644
index 0000000..dc07319
--- /dev/null
+++ b/Homework/cs5300/project-three/lexer/SimpleLexer.tokens
@@ -0,0 +1,3 @@
+X=1
+WS=2
+'x'=1
diff --git a/Homework/cs5300/project-three/lexer/TinyLexer.interp b/Homework/cs5300/project-three/lexer/TinyLexer.interp
new file mode 100644
index 0000000..a2db21e
--- /dev/null
+++ b/Homework/cs5300/project-three/lexer/TinyLexer.interp
@@ -0,0 +1,79 @@
+token literal names:
+null
+'if'
+'then'
+'else'
+'end'
+'repeat'
+'until'
+'read'
+'write'
+'('
+')'
+'+'
+'-'
+'*'
+'/'
+'<'
+'='
+null
+null
+null
+null
+
+token symbolic names:
+null
+IF
+THEN
+ELSE
+END
+REPEAT
+UNTIL
+READ
+WRITE
+OPAREN
+CPAREN
+PLUS
+MINUS
+MULTIPLY
+DIVIDE
+LT
+EQUAL
+NUM
+ID
+COMMENT
+WS
+
+rule names:
+IF
+THEN
+ELSE
+END
+REPEAT
+UNTIL
+READ
+WRITE
+OPAREN
+CPAREN
+PLUS
+MINUS
+MULTIPLY
+DIVIDE
+LT
+EQUAL
+NUM
+ID
+COMMENT
+WS
+LETTER
+DIGIT
+
+channel names:
+DEFAULT_TOKEN_CHANNEL
+HIDDEN
+
+mode names:
+DEFAULT_MODE
+
+atn:
+[3, 24715, 42794, 33075, 47597, 16764, 15335, 30598, 22884, 2, 22, 153, 8, 1, 4, 2, 9, 2, 4, 3, 9, 3, 4, 4, 9, 4, 4, 5, 9, 5, 4, 6, 9, 6, 4, 7, 9, 7, 4, 8, 9, 8, 4, 9, 9, 9, 4, 10, 9, 10, 4, 11, 9, 11, 4, 12, 9, 12, 4, 13, 9, 13, 4, 14, 9, 14, 4, 15, 9, 15, 4, 16, 9, 16, 4, 17, 9, 17, 4, 18, 9, 18, 4, 19, 9, 19, 4, 20, 9, 20, 4, 21, 9, 21, 4, 22, 9, 22, 4, 23, 9, 23, 3, 2, 3, 2, 3, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 5, 3, 5, 3, 5, 3, 5, 3, 6, 3, 6, 3, 6, 3, 6, 3, 6, 3, 6, 3, 6, 3, 7, 3, 7, 3, 7, 3, 7, 3, 7, 3, 7, 3, 8, 3, 8, 3, 8, 3, 8, 3, 8, 3, 9, 3, 9, 3, 9, 3, 9, 3, 9, 3, 9, 3, 10, 3, 10, 3, 11, 3, 11, 3, 12, 3, 12, 3, 13, 3, 13, 3, 14, 3, 14, 3, 15, 3, 15, 3, 16, 3, 16, 3, 17, 3, 17, 3, 18, 6, 18, 106, 10, 18, 13, 18, 14, 18, 107, 3, 19, 6, 19, 111, 10, 19, 13, 19, 14, 19, 112, 3, 20, 3, 20, 3, 20, 3, 20, 7, 20, 119, 10, 20, 12, 20, 14, 20, 122, 11, 20, 3, 20, 5, 20, 125, 10, 20, 3, 20, 3, 20, 3, 20, 3, 20, 3, 20, 7, 20, 132, 10, 20, 12, 20, 14, 20, 135, 11, 20, 3, 20, 3, 20, 5, 20, 139, 10, 20, 3, 20, 3, 20, 3, 21, 6, 21, 144, 10, 21, 13, 21, 14, 21, 145, 3, 21, 3, 21, 3, 22, 3, 22, 3, 23, 3, 23, 3, 133, 2, 24, 3, 3, 5, 4, 7, 5, 9, 6, 11, 7, 13, 8, 15, 9, 17, 10, 19, 11, 21, 12, 23, 13, 25, 14, 27, 15, 29, 16, 31, 17, 33, 18, 35, 19, 37, 20, 39, 21, 41, 22, 43, 2, 45, 2, 3, 2, 5, 4, 2, 12, 12, 15, 15, 5, 2, 11, 12, 14, 15, 34, 34, 4, 2, 67, 92, 99, 124, 2, 157, 2, 3, 3, 2, 2, 2, 2, 5, 3, 2, 2, 2, 2, 7, 3, 2, 2, 2, 2, 9, 3, 2, 2, 2, 2, 11, 3, 2, 2, 2, 2, 13, 3, 2, 2, 2, 2, 15, 3, 2, 2, 2, 2, 17, 3, 2, 2, 2, 2, 19, 3, 2, 2, 2, 2, 21, 3, 2, 2, 2, 2, 23, 3, 2, 2, 2, 2, 25, 3, 2, 2, 2, 2, 27, 3, 2, 2, 2, 2, 29, 3, 2, 2, 2, 2, 31, 3, 2, 2, 2, 2, 33, 3, 2, 2, 2, 2, 35, 3, 2, 2, 2, 2, 37, 3, 2, 2, 2, 2, 39, 3, 2, 2, 2, 2, 41, 3, 2, 2, 2, 3, 47, 3, 2, 2, 2, 5, 50, 3, 2, 2, 2, 7, 55, 3, 2, 2, 2, 9, 60, 3, 2, 2, 2, 11, 64, 3, 2, 2, 2, 13, 71, 3, 2, 2, 2, 15, 77, 3, 2, 2, 2, 17, 82, 3, 2, 2, 2, 19, 88, 3, 2, 2, 2, 21, 90, 3, 2, 2, 2, 23, 92, 3, 2, 2, 2, 25, 94, 3, 2, 2, 2, 27, 96, 3, 2, 2, 2, 29, 98, 3, 2, 2, 2, 31, 100, 3, 2, 2, 2, 33, 102, 3, 2, 2, 2, 35, 105, 3, 2, 2, 2, 37, 110, 3, 2, 2, 2, 39, 138, 3, 2, 2, 2, 41, 143, 3, 2, 2, 2, 43, 149, 3, 2, 2, 2, 45, 151, 3, 2, 2, 2, 47, 48, 7, 107, 2, 2, 48, 49, 7, 104, 2, 2, 49, 4, 3, 2, 2, 2, 50, 51, 7, 118, 2, 2, 51, 52, 7, 106, 2, 2, 52, 53, 7, 103, 2, 2, 53, 54, 7, 112, 2, 2, 54, 6, 3, 2, 2, 2, 55, 56, 7, 103, 2, 2, 56, 57, 7, 110, 2, 2, 57, 58, 7, 117, 2, 2, 58, 59, 7, 103, 2, 2, 59, 8, 3, 2, 2, 2, 60, 61, 7, 103, 2, 2, 61, 62, 7, 112, 2, 2, 62, 63, 7, 102, 2, 2, 63, 10, 3, 2, 2, 2, 64, 65, 7, 116, 2, 2, 65, 66, 7, 103, 2, 2, 66, 67, 7, 114, 2, 2, 67, 68, 7, 103, 2, 2, 68, 69, 7, 99, 2, 2, 69, 70, 7, 118, 2, 2, 70, 12, 3, 2, 2, 2, 71, 72, 7, 119, 2, 2, 72, 73, 7, 112, 2, 2, 73, 74, 7, 118, 2, 2, 74, 75, 7, 107, 2, 2, 75, 76, 7, 110, 2, 2, 76, 14, 3, 2, 2, 2, 77, 78, 7, 116, 2, 2, 78, 79, 7, 103, 2, 2, 79, 80, 7, 99, 2, 2, 80, 81, 7, 102, 2, 2, 81, 16, 3, 2, 2, 2, 82, 83, 7, 121, 2, 2, 83, 84, 7, 116, 2, 2, 84, 85, 7, 107, 2, 2, 85, 86, 7, 118, 2, 2, 86, 87, 7, 103, 2, 2, 87, 18, 3, 2, 2, 2, 88, 89, 7, 42, 2, 2, 89, 20, 3, 2, 2, 2, 90, 91, 7, 43, 2, 2, 91, 22, 3, 2, 2, 2, 92, 93, 7, 45, 2, 2, 93, 24, 3, 2, 2, 2, 94, 95, 7, 47, 2, 2, 95, 26, 3, 2, 2, 2, 96, 97, 7, 44, 2, 2, 97, 28, 3, 2, 2, 2, 98, 99, 7, 49, 2, 2, 99, 30, 3, 2, 2, 2, 100, 101, 7, 62, 2, 2, 101, 32, 3, 2, 2, 2, 102, 103, 7, 63, 2, 2, 103, 34, 3, 2, 2, 2, 104, 106, 5, 45, 23, 2, 105, 104, 3, 2, 2, 2, 106, 107, 3, 2, 2, 2, 107, 105, 3, 2, 2, 2, 107, 108, 3, 2, 2, 2, 108, 36, 3, 2, 2, 2, 109, 111, 5, 43, 22, 2, 110, 109, 3, 2, 2, 2, 111, 112, 3, 2, 2, 2, 112, 110, 3, 2, 2, 2, 112, 113, 3, 2, 2, 2, 113, 38, 3, 2, 2, 2, 114, 115, 7, 49, 2, 2, 115, 116, 7, 49, 2, 2, 116, 120, 3, 2, 2, 2, 117, 119, 10, 2, 2, 2, 118, 117, 3, 2, 2, 2, 119, 122, 3, 2, 2, 2, 120, 118, 3, 2, 2, 2, 120, 121, 3, 2, 2, 2, 121, 124, 3, 2, 2, 2, 122, 120, 3, 2, 2, 2, 123, 125, 7, 15, 2, 2, 124, 123, 3, 2, 2, 2, 124, 125, 3, 2, 2, 2, 125, 126, 3, 2, 2, 2, 126, 139, 7, 12, 2, 2, 127, 128, 7, 49, 2, 2, 128, 129, 7, 44, 2, 2, 129, 133, 3, 2, 2, 2, 130, 132, 11, 2, 2, 2, 131, 130, 3, 2, 2, 2, 132, 135, 3, 2, 2, 2, 133, 134, 3, 2, 2, 2, 133, 131, 3, 2, 2, 2, 134, 136, 3, 2, 2, 2, 135, 133, 3, 2, 2, 2, 136, 137, 7, 44, 2, 2, 137, 139, 7, 49, 2, 2, 138, 114, 3, 2, 2, 2, 138, 127, 3, 2, 2, 2, 139, 140, 3, 2, 2, 2, 140, 141, 8, 20, 2, 2, 141, 40, 3, 2, 2, 2, 142, 144, 9, 3, 2, 2, 143, 142, 3, 2, 2, 2, 144, 145, 3, 2, 2, 2, 145, 143, 3, 2, 2, 2, 145, 146, 3, 2, 2, 2, 146, 147, 3, 2, 2, 2, 147, 148, 8, 21, 2, 2, 148, 42, 3, 2, 2, 2, 149, 150, 9, 4, 2, 2, 150, 44, 3, 2, 2, 2, 151, 152, 4, 50, 59, 2, 152, 46, 3, 2, 2, 2, 10, 2, 107, 112, 120, 124, 133, 138, 145, 3, 8, 2, 2]
\ No newline at end of file
diff --git a/Homework/cs5300/project-three/lexer/TinyLexer.java b/Homework/cs5300/project-three/lexer/TinyLexer.java
new file mode 100644
index 0000000..f1213fb
--- /dev/null
+++ b/Homework/cs5300/project-three/lexer/TinyLexer.java
@@ -0,0 +1,164 @@
+// Generated from TinyLexer.tokens by ANTLR 4.9.1
+package lexer;
+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"})
+public class TinyLexer extends Lexer {
+	static { RuntimeMetaData.checkVersion("4.9.1", RuntimeMetaData.VERSION); }
+
+	protected static final DFA[] _decisionToDFA;
+	protected static final PredictionContextCache _sharedContextCache =
+		new PredictionContextCache();
+	public static final int
+		IF=1, THEN=2, ELSE=3, END=4, REPEAT=5, UNTIL=6, READ=7, WRITE=8, OPAREN=9, 
+		CPAREN=10, PLUS=11, MINUS=12, MULTIPLY=13, DIVIDE=14, LT=15, EQUAL=16, 
+		NUM=17, ID=18, COMMENT=19, WS=20;
+	public static String[] channelNames = {
+		"DEFAULT_TOKEN_CHANNEL", "HIDDEN"
+	};
+
+	public static String[] modeNames = {
+		"DEFAULT_MODE"
+	};
+
+	private static String[] makeRuleNames() {
+		return new String[] {
+			"IF", "THEN", "ELSE", "END", "REPEAT", "UNTIL", "READ", "WRITE", "OPAREN", 
+			"CPAREN", "PLUS", "MINUS", "MULTIPLY", "DIVIDE", "LT", "EQUAL", "NUM", 
+			"ID", "COMMENT", "WS", "LETTER", "DIGIT"
+		};
+	}
+	public static final String[] ruleNames = makeRuleNames();
+
+	private static String[] makeLiteralNames() {
+		return new String[] {
+			null, "'if'", "'then'", "'else'", "'end'", "'repeat'", "'until'", "'read'", 
+			"'write'", "'('", "')'", "'+'", "'-'", "'*'", "'/'", "'<'", "'='"
+		};
+	}
+	private static final String[] _LITERAL_NAMES = makeLiteralNames();
+	private static String[] makeSymbolicNames() {
+		return new String[] {
+			null, "IF", "THEN", "ELSE", "END", "REPEAT", "UNTIL", "READ", "WRITE", 
+			"OPAREN", "CPAREN", "PLUS", "MINUS", "MULTIPLY", "DIVIDE", "LT", "EQUAL", 
+			"NUM", "ID", "COMMENT", "WS"
+		};
+	}
+	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 TinyLexer(CharStream input) {
+		super(input);
+		_interp = new LexerATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
+	}
+
+	@Override
+	public String getGrammarFileName() { return "TinyLexer.tokens"; }
+
+	@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 =
+		"\3\u608b\ua72a\u8133\ub9ed\u417c\u3be7\u7786\u5964\2\26\u0099\b\1\4\2"+
+		"\t\2\4\3\t\3\4\4\t\4\4\5\t\5\4\6\t\6\4\7\t\7\4\b\t\b\4\t\t\t\4\n\t\n\4"+
+		"\13\t\13\4\f\t\f\4\r\t\r\4\16\t\16\4\17\t\17\4\20\t\20\4\21\t\21\4\22"+
+		"\t\22\4\23\t\23\4\24\t\24\4\25\t\25\4\26\t\26\4\27\t\27\3\2\3\2\3\2\3"+
+		"\3\3\3\3\3\3\3\3\3\3\4\3\4\3\4\3\4\3\4\3\5\3\5\3\5\3\5\3\6\3\6\3\6\3\6"+
+		"\3\6\3\6\3\6\3\7\3\7\3\7\3\7\3\7\3\7\3\b\3\b\3\b\3\b\3\b\3\t\3\t\3\t\3"+
+		"\t\3\t\3\t\3\n\3\n\3\13\3\13\3\f\3\f\3\r\3\r\3\16\3\16\3\17\3\17\3\20"+
+		"\3\20\3\21\3\21\3\22\6\22j\n\22\r\22\16\22k\3\23\6\23o\n\23\r\23\16\23"+
+		"p\3\24\3\24\3\24\3\24\7\24w\n\24\f\24\16\24z\13\24\3\24\5\24}\n\24\3\24"+
+		"\3\24\3\24\3\24\3\24\7\24\u0084\n\24\f\24\16\24\u0087\13\24\3\24\3\24"+
+		"\5\24\u008b\n\24\3\24\3\24\3\25\6\25\u0090\n\25\r\25\16\25\u0091\3\25"+
+		"\3\25\3\26\3\26\3\27\3\27\3\u0085\2\30\3\3\5\4\7\5\t\6\13\7\r\b\17\t\21"+
+		"\n\23\13\25\f\27\r\31\16\33\17\35\20\37\21!\22#\23%\24\'\25)\26+\2-\2"+
+		"\3\2\5\4\2\f\f\17\17\5\2\13\f\16\17\"\"\4\2C\\c|\2\u009d\2\3\3\2\2\2\2"+
+		"\5\3\2\2\2\2\7\3\2\2\2\2\t\3\2\2\2\2\13\3\2\2\2\2\r\3\2\2\2\2\17\3\2\2"+
+		"\2\2\21\3\2\2\2\2\23\3\2\2\2\2\25\3\2\2\2\2\27\3\2\2\2\2\31\3\2\2\2\2"+
+		"\33\3\2\2\2\2\35\3\2\2\2\2\37\3\2\2\2\2!\3\2\2\2\2#\3\2\2\2\2%\3\2\2\2"+
+		"\2\'\3\2\2\2\2)\3\2\2\2\3/\3\2\2\2\5\62\3\2\2\2\7\67\3\2\2\2\t<\3\2\2"+
+		"\2\13@\3\2\2\2\rG\3\2\2\2\17M\3\2\2\2\21R\3\2\2\2\23X\3\2\2\2\25Z\3\2"+
+		"\2\2\27\\\3\2\2\2\31^\3\2\2\2\33`\3\2\2\2\35b\3\2\2\2\37d\3\2\2\2!f\3"+
+		"\2\2\2#i\3\2\2\2%n\3\2\2\2\'\u008a\3\2\2\2)\u008f\3\2\2\2+\u0095\3\2\2"+
+		"\2-\u0097\3\2\2\2/\60\7k\2\2\60\61\7h\2\2\61\4\3\2\2\2\62\63\7v\2\2\63"+
+		"\64\7j\2\2\64\65\7g\2\2\65\66\7p\2\2\66\6\3\2\2\2\678\7g\2\289\7n\2\2"+
+		"9:\7u\2\2:;\7g\2\2;\b\3\2\2\2<=\7g\2\2=>\7p\2\2>?\7f\2\2?\n\3\2\2\2@A"+
+		"\7t\2\2AB\7g\2\2BC\7r\2\2CD\7g\2\2DE\7c\2\2EF\7v\2\2F\f\3\2\2\2GH\7w\2"+
+		"\2HI\7p\2\2IJ\7v\2\2JK\7k\2\2KL\7n\2\2L\16\3\2\2\2MN\7t\2\2NO\7g\2\2O"+
+		"P\7c\2\2PQ\7f\2\2Q\20\3\2\2\2RS\7y\2\2ST\7t\2\2TU\7k\2\2UV\7v\2\2VW\7"+
+		"g\2\2W\22\3\2\2\2XY\7*\2\2Y\24\3\2\2\2Z[\7+\2\2[\26\3\2\2\2\\]\7-\2\2"+
+		"]\30\3\2\2\2^_\7/\2\2_\32\3\2\2\2`a\7,\2\2a\34\3\2\2\2bc\7\61\2\2c\36"+
+		"\3\2\2\2de\7>\2\2e \3\2\2\2fg\7?\2\2g\"\3\2\2\2hj\5-\27\2ih\3\2\2\2jk"+
+		"\3\2\2\2ki\3\2\2\2kl\3\2\2\2l$\3\2\2\2mo\5+\26\2nm\3\2\2\2op\3\2\2\2p"+
+		"n\3\2\2\2pq\3\2\2\2q&\3\2\2\2rs\7\61\2\2st\7\61\2\2tx\3\2\2\2uw\n\2\2"+
+		"\2vu\3\2\2\2wz\3\2\2\2xv\3\2\2\2xy\3\2\2\2y|\3\2\2\2zx\3\2\2\2{}\7\17"+
+		"\2\2|{\3\2\2\2|}\3\2\2\2}~\3\2\2\2~\u008b\7\f\2\2\177\u0080\7\61\2\2\u0080"+
+		"\u0081\7,\2\2\u0081\u0085\3\2\2\2\u0082\u0084\13\2\2\2\u0083\u0082\3\2"+
+		"\2\2\u0084\u0087\3\2\2\2\u0085\u0086\3\2\2\2\u0085\u0083\3\2\2\2\u0086"+
+		"\u0088\3\2\2\2\u0087\u0085\3\2\2\2\u0088\u0089\7,\2\2\u0089\u008b\7\61"+
+		"\2\2\u008ar\3\2\2\2\u008a\177\3\2\2\2\u008b\u008c\3\2\2\2\u008c\u008d"+
+		"\b\24\2\2\u008d(\3\2\2\2\u008e\u0090\t\3\2\2\u008f\u008e\3\2\2\2\u0090"+
+		"\u0091\3\2\2\2\u0091\u008f\3\2\2\2\u0091\u0092\3\2\2\2\u0092\u0093\3\2"+
+		"\2\2\u0093\u0094\b\25\2\2\u0094*\3\2\2\2\u0095\u0096\t\4\2\2\u0096,\3"+
+		"\2\2\2\u0097\u0098\4\62;\2\u0098.\3\2\2\2\n\2kpx|\u0085\u008a\u0091\3"+
+		"\b\2\2";
+	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);
+		}
+	}
+}
\ No newline at end of file
diff --git a/Homework/cs5300/project-three/lexer/TinyLexer.tokens b/Homework/cs5300/project-three/lexer/TinyLexer.tokens
new file mode 100644
index 0000000..2d6fdc7
--- /dev/null
+++ b/Homework/cs5300/project-three/lexer/TinyLexer.tokens
@@ -0,0 +1,36 @@
+IF=1
+THEN=2
+ELSE=3
+END=4
+REPEAT=5
+UNTIL=6
+READ=7
+WRITE=8
+OPAREN=9
+CPAREN=10
+PLUS=11
+MINUS=12
+MULTIPLY=13
+DIVIDE=14
+LT=15
+EQUAL=16
+NUM=17
+ID=18
+COMMENT=19
+WS=20
+'if'=1
+'then'=2
+'else'=3
+'end'=4
+'repeat'=5
+'until'=6
+'read'=7
+'write'=8
+'('=9
+')'=10
+'+'=11
+'-'=12
+'*'=13
+'/'=14
+'<'=15
+'='=16