Final push for Project 1

.idea/misc.xml

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

@@ -43,6 +43,7 @@ public class Driver {
 
 
     private void printMainMenu() {
+        System.out.println();
         System.out.println("--  Main Menu  --");
         System.out.println("1. Analyze Java Code");
         System.out.println("2. Analyze Python Code");
@@ -50,6 +51,7 @@ public class Driver {
     }
 
     private void printFileSelection(String type) {
+        System.out.println();
         System.out.println("--  Select File Type  --");
         System.out.println("1. Provided File: " + type + ".txt ");
         System.out.println("2. Custom Input");

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

@@ -86,8 +86,7 @@ public class JavaSyntaxAnalyzer {
         TokenType token = null;
         switch (lexeme) {
             case '.':
-                // token = TokenType.PERIOD;
-                token = TokenType.UNKNOWN;
+                token = TokenType.REFERENCE;
                 break;
             case '=':
                 token = TokenType.ASSIGN_OP;

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

@@ -5,6 +5,9 @@ import java.util.Arrays;
 import java.util.List;
 
 public class PythonSyntaxAnalyzer {
+
+    private String active = null;
+
     public List<Pair> start(List<String> source) {
         List<Pair> values = new ArrayList<>();
         for (String line : source) {
@@ -15,23 +18,50 @@ public class PythonSyntaxAnalyzer {
     }
     private List<Pair> readline(String line) {
         List<Pair> analyzedLine = new ArrayList<>();
-        String active = line.trim();
+        active = line;
         Pair result = null;
         do {
-            active = active.trim();
-            result = lex(active);
-            if (result != null) {
+            if (this.checkIndent()) {
+                result = new Pair("\t", TokenType.TAB);
                 analyzedLine.add(result);
-                if (result.lexeme.length() > 1) {
-                    active = active.replaceFirst(result.lexeme, "");
-                } else {
-                    active = active.substring(1);
+                this.removeIndent();
+            } else {
+                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 void removeIndent() {
+        char[] temp = active.toCharArray();
+        String value = "";
+        for (int i = 0; i < temp.length; i++) {
+            if (temp[i] != ' ' || i > 3) {
+                value += temp[i];
+            }
+        }
+        this.active = value;
+    }
+
+    private boolean checkIndent() {
+        char[] temp = active.toCharArray();
+        for (int i = 0; i < 4; i++) {
+            if (temp[i] != ' ') {
+                return false;
+            }
+        }
+        return true;
+    }
+
     private Pair lex(String line) {
         if (line == null || line.isEmpty()) {
             return null;
@@ -119,6 +149,9 @@ public class PythonSyntaxAnalyzer {
             case '$':
                 token = TokenType.EOF;
                 break;
+            case '_':
+                token = TokenType.UNDERSCORE;
+                break;
             default:
                 token = TokenType.UNKNOWN;
         }

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

@@ -1,10 +1,10 @@
 package edu.jt_kb.cs4308.compiler.models;
 
 public enum TokenType {
-    INT_LIT(10),IDENT(11),ASSIGN_OP(20),ADD_OP(21),SUB_OP(22),MULT_OP(23),
+    INT_LIT(10),IDENT(11),REFERENCE(12),ASSIGN_OP(20),ADD_OP(21),SUB_OP(22),MULT_OP(23),
     DIV_OP(24),LEFT_PAREN(26),RIGHT_PAREN(27),SEMI_COLON(28), STRING_LITERAL(29),
     COMMA(30), LEFT_CURLY(31), RIGHT_CURLY(32), LEFT_SQUARE(33), RIGHT_SQUARE(34),
-    RESERVED_WORD(35),EOF(-1),UNKNOWN(-2);
+    RESERVED_WORD(35),TAB(36),UNDERSCORE(37),EOF(-1),UNKNOWN(-2);
 
 
     public final int value; /* represents which Token you are referencing. */