new

Assignment-2/Java-8/ExprTool.java

@@ -69,7 +69,7 @@ public class ExprTool {
             if(ctx.normalClassDeclaration() != null){
                 class_name = ctx.normalClassDeclaration().Identifier().getText();
             }else if(ctx.enumDeclaration() != null){
-                class_name = ctx.normalClassDeclaration().Identifier().getText();
+                class_name = ctx.enumDeclaration().Identifier().getText();
             }
 
             //String className = ctx.identifier().getText();

Assignment-2/README.md

@@ -11,7 +11,10 @@
 ## JavaParser1.0.0
 ```bash
 	javac -cp .:javaparser-1.0.0.jar LCA_JP1_0_0.java
-	java -cp .:javaparser-1.0.0.jar test.java
+	java -cp .:javaparser-1.0.0.jar LCA_JP1_0_0 test.java
 ```
 
 ## JavaParser3.27.0
+```bash
+	javax 
+```

Assignment-2/javaparser-1.0.0/LCA_JP1_0_0.java

@@ -4,56 +4,38 @@ import japa.parser.ast.body.*;
 import japa.parser.ast.visitor.VoidVisitorAdapter;
 
 import java.io.FileInputStream;
-import java.io.IOException;
 import java.io.File;
 
 public class LCA_JP1_0_0 {
 
     public static void main(String[] args) throws Exception {
-        // Checks if file is provided as command line argument
         if (args.length == 0) {
             System.out.println("Usage: java LCA_JP1_0_0 <JavaSourceFile>");
             return;
         }
 
-        // Makes sure file exits and can be read
-        File sourFile = new File(args[0]);
-        if (!sourFile.exists() || !sourFile.isFile() || !sourFile.canRead()) {
-            System.err.println("Error: File can't be read or it doesn't exist: " + args[0]);
-            return;
+        FileInputStream in = new FileInputStream(new File(args[0]));
+        CompilationUnit cu = JavaParser.parse(in);
+        in.close();
+
+        LocalClassVisitor visitor = new LocalClassVisitor();
+        visitor.visit(cu, null);
+    }
+    
+    static class LocalClassVisitor extends VoidVisitorAdapter<Void> {
+        private boolean insideMethod = false;
+        
+        @Override
+        public void visit(MethodDeclaration n, Void arg) {
+            insideMethod = true;
+            super.visit(n, arg);
+            insideMethod = false;
         }
-
-        try (FileInputStream in = new FileInputStream(sourFile))
-        // Parse the given Java file
-        {
-            CompilationUnit cu;
-            try {
-                cu = JavaParser.parse(in);
-            } catch (Exception e) {
-                System.err.println("Error: Failed to parse file");
-                e.printStackTrace();
-                return;
-            }
-            // Traverse the AST and print local classes
-            new VoidVisitorAdapter<Void>() {
-
-                @Override
-                public void visit(MethodDeclaration n, Void arg) {
-                    super.visit(n, arg);
-                }
-
-                @Override
-                public void visit(ClassOrInterfaceDeclaration n, Void arg) {
-                    System.out.println("Found class: " + n.getName());
-                    super.visit(n, arg);
-                }
-            }.visit(cu, null);
-        } catch (IOException e) {
-            System.err.println("Error: Unable to read the file.");
-            e.printStackTrace();
-        } catch (Exception e) {
-            System.err.println("Uneaxpected error occured.");
-            e.printStackTrace();
+        
+        @Override
+        public void visit(ClassOrInterfaceDeclaration n, Void arg) {
+            System.out.println("Local class: " + n.getName());
+            super.visit(n, arg);
         }
     }
-}
+}