added files and update

.idea/.name

@@ -0,0 +1 @@
+Driver.java

.idea/misc.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_19" default="true" project-jdk-name="openjdk-18" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_18" default="true" project-jdk-name="openjdk-18" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>

src/edu/jt_kb/cs4308/compiler/Driver.java

@@ -3,6 +3,7 @@ package edu.jt_kb.cs4308.compiler;
 import edu.jt_kb.cs4308.compiler.FileManagement.FileReader;
 import edu.jt_kb.cs4308.compiler.models.JavaSyntaxAnalyzer;
 import edu.jt_kb.cs4308.compiler.models.Pair;
+import edu.jt_kb.cs4308.compiler.models.PythonSyntaxAnalyzer;
 import edu.jt_kb.cs4308.compiler.models.TokenType;
 
 import java.io.File;
@@ -109,7 +110,8 @@ public class Driver {
             JavaSyntaxAnalyzer analyzer = new JavaSyntaxAnalyzer();
             results = analyzer.start(this.java);
         } else {
-            // Python Analyzer Code
+            PythonSyntaxAnalyzer analyzer = new PythonSyntaxAnalyzer();
+            results = analyzer.start(this.python);
         }
         for (Pair lex : results) {
             System.out.println("The next token is: " + lex.type.value + " next lexeme is: " + lex.lexeme);
@@ -122,7 +124,8 @@ public class Driver {
             JavaSyntaxAnalyzer analyzer = new JavaSyntaxAnalyzer();
             results = analyzer.start(source);
         } else {
-            // Python Analyzer Code
+            PythonSyntaxAnalyzer analyzer = new PythonSyntaxAnalyzer();
+            results = analyzer.start(source);
         }
         for (Pair lex : results) {
             System.out.println("The next token is: " + lex.type.value + " next lexeme is: " + lex.lexeme);

src/edu/jt_kb/cs4308/compiler/models/PythonSyntaxAnalyzer.java

@@ -0,0 +1,138 @@
+package edu.jt_kb.cs4308.compiler.models;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class PythonSyntaxAnalyzer {
+    public List<Pair> start(List<String> source) {
+        List<Pair> values = new ArrayList<>();
+        for (String line : source) {
+            List<Pair> result = readline(line);
+            values.addAll(result);
+        }
+        return values;
+    }
+    private List<Pair> readline(String line) {
+        List<Pair> analyzedLine = new ArrayList<>();
+        String active = line.trim();
+        Pair result = null;
+        do {
+            active = active.trim();
+            result = lex(active);
+            if (result != null) {
+                analyzedLine.add(result);
+                if (result.lexeme.length() > 1) {
+                    active = active.replaceFirst(result.lexeme, "");
+                } else {
+                    active = active.substring(1);
+                }
+            }
+        } while (result != null && result.type != TokenType.EOF);
+        return analyzedLine;
+    }
+
+    private Pair lex(String line) {
+        if (line == null || line.isEmpty()) {
+            return null;
+        }
+        char[] letters = line.toCharArray();
+        if (Character.isDigit(letters[0])) {
+            String lexeme = "";
+            int index = 0;
+            while (index < letters.length && Character.isDigit(letters[index])) {
+                lexeme += letters[index];
+                index++;
+            }
+            return new Pair(lexeme, TokenType.INT_LIT);
+        }
+        if (Character.isLetter(letters[0])) {
+            String lexeme = "";
+            int index = 0;
+            while (index < letters.length
+                    && (Character.isLetter(letters[index])
+                    || Character.isDigit(letters[index]))) {
+                lexeme += letters[index];
+                index++;
+            }
+            Pair lookup_result = lookup(lexeme);
+            if (lookup_result.type != TokenType.UNKNOWN) {
+                return lookup_result;
+            }
+            return new Pair(lexeme, TokenType.IDENT);
+        }
+        if (letters[0] == '\'') {
+            String lexeme = "\'" ;
+            int index = 1;
+            while (index < letters.length) {
+                lexeme += letters[index];
+                if (letters[index] == '\'') {
+                    break;
+                }
+                index++;
+            }
+            return new Pair(lexeme, TokenType.STRING_LITERAL);
+        }
+        Pair temp = lookup(line.split(" ")[0]);
+        if (temp.type != TokenType.UNKNOWN) {
+            return temp;
+        }
+        return lookup(letters[0]);
+    }
+
+    public Pair lookup(char lexeme) {
+        TokenType token = null;
+        switch (lexeme) {
+            case '=':
+                token = TokenType.ASSIGN_OP;
+                break;
+            case '+':
+                token = TokenType.ADD_OP;
+                break;
+            case '-':
+                token = TokenType.SUB_OP;
+                break;
+            case '*':
+                token = TokenType.MULT_OP;
+                break;
+            case '/':
+                token = TokenType.DIV_OP;
+                break;
+            case ';':
+                token = TokenType.SEMI_COLON;
+                break;
+            case ',':
+                token = TokenType.COMMA;
+                break;
+            case '(':
+                token = TokenType.LEFT_PAREN;
+                break;
+            case ')':
+                token = TokenType.RIGHT_PAREN;
+                break;
+            case '[':
+                token = TokenType.LEFT_SQUARE;
+                break;
+            case ']':
+                token = TokenType.RIGHT_SQUARE;
+                break;
+            case '$':
+                token = TokenType.EOF;
+                break;
+            default:
+                token = TokenType.UNKNOWN;
+        }
+        return new Pair(String.valueOf(lexeme), token);
+    }
+
+    private Pair lookup(String lexeme) {
+        TokenType token = null;
+        List<String> keywords = new ArrayList<>(Arrays.asList("public","class","static","void","int"));
+        if (keywords.contains(lexeme.trim())) {
+            token = TokenType.RESERVED_WORD;
+        } else {
+            token = TokenType.UNKNOWN;
+        }
+        return new Pair(lexeme, token);
+    }
+}