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No commits in common. "5344b01384bad66c7dd119b0a871b7ebe9f1ae2c" and "6e8079807a87f202387ebcf275c9bf787d8adcdb" have entirely different histories.

7 changed files with 18 additions and 60 deletions

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@ -1,5 +1,5 @@
public class Tester {
public static void main(String[] args) {
new Example();
new Test();
}
}

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@ -2,8 +2,8 @@ package bytecode;
import java.io.FileOutputStream;
import java.io.IOException;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import parser.ClassDeclarationNode;
import parser.ProgramNode;
@ -12,25 +12,24 @@ public class ByteCodeGenerator {
public void generateByteCode(ProgramNode ast) {
for (ClassDeclarationNode classDeclarationNode : ast.classes) {
ClassWriter classWriter = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
classWriter.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC, classDeclarationNode.identifier, null,
"java/lang/Object", null);
ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
cw.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC, classDeclarationNode.identifier, null,
"java/lang/Object", null);
FieldCodeGen fieldCodeGen = new FieldCodeGen();
fieldCodeGen.generateFieldCode(classWriter);
MethodVisitor constructor =
cw.visitMethod(Opcodes.ACC_PUBLIC,
"<init>",
"()V",
null,
null);
cw.visitEnd();
MethodCodeGen methodCodeGen = new MethodCodeGen();
methodCodeGen.generateMethodCode(classWriter);
classWriter.visitEnd();
printIntoClassFile(classWriter.toByteArray(), classDeclarationNode.identifier);
classWriter.visitEnd();
printIntoClassFile(cw.toByteArray(), classDeclarationNode.identifier);
}
}
private void printIntoClassFile(byte[] byteCode, String name) {
String filePath = "./classFileOutput/" + name + ".class";
String filePath = name + ".class";
try {
FileOutputStream fileOutputStream = new FileOutputStream(filePath);

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@ -1,10 +0,0 @@
package bytecode;
import org.objectweb.asm.ClassWriter;
public class FieldCodeGen {
public void generateFieldCode(ClassWriter classWriter) {
}
}

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@ -1,16 +0,0 @@
package bytecode;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
public class MethodCodeGen {
public void generateMethodCode(ClassWriter classWriter) {
MethodVisitor constructor =
classWriter.visitMethod(Opcodes.ACC_PUBLIC,
"<init>",
"()V",
null,
null);
}
}

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@ -8,23 +8,10 @@ import org.antlr.v4.runtime.tree.ParseTree;
import parser.generated.SimpleJavaLexer;
import parser.generated.SimpleJavaParser;
import java.io.IOException;
import java.nio.file.Paths;
public class Main {
public static void main(String[] args) throws Exception {
CharStream codeCharStream = null;
try {
codeCharStream = CharStreams.fromPath(Paths.get("path/to/your/file.txt"));
parsefile(codeCharStream);
} catch (IOException e) {
System.err.println("Error reading the file: " + e.getMessage());
}
}
static void parsefile(CharStream codeCharStream){
// CharStream codeCharStream = CharStreams.fromString("class Example { } class Example2 { }");
// Assuming args[0] contains the path to the input file
CharStream codeCharStream = CharStreams.fromString("class Example { }");
SimpleJavaLexer lexer = new SimpleJavaLexer(codeCharStream);
CommonTokenStream tokens = new CommonTokenStream(lexer);
SimpleJavaParser parser = new SimpleJavaParser(tokens);
@ -35,10 +22,8 @@ public class Main {
ProgramNode ast = (ProgramNode) builder.visit(tree); // build the AST
// Optionally print or process the AST
System.out.println("Parsed " + ast.classes.size() + " classes with identifiers/names:");
for (ClassDeclarationNode classNode : ast.classes) {
System.out.println(classNode.identifier);
}
System.out.println("Parsed " + ast.classes.size() + " classes.");
System.out.println(ast.classes.getFirst().identifier);
ByteCodeGenerator byteCodeGenerator = new ByteCodeGenerator();
byteCodeGenerator.generateByteCode(ast);