This commit is contained in:
Mann Patel
2025-10-11 17:25:48 -06:00
parent 619975691e
commit 7d7acbda5a
7 changed files with 27 additions and 42 deletions

View File

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

View File

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

View File

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