Merge branch 'main' into johns-branch

This commit is contained in:
Bruder John 2024-05-08 14:21:14 +02:00
commit 7249054da5
9 changed files with 37 additions and 60 deletions

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@ -20,7 +20,7 @@ public class Main {
public static void main(String[] args) throws Exception {
CharStream codeCharStream = null;
try {
codeCharStream = CharStreams.fromPath(Paths.get("src/main/java/Example.java"));
codeCharStream = CharStreams.fromPath(Paths.get("./Example.java"));
parsefile(codeCharStream);
} catch (IOException e) {
System.err.println("Error reading the file: " + e.getMessage());

View File

@ -17,7 +17,7 @@ public class ClassNode extends ASTNode{
public void ensureConstructor(){
if(!hasConstructor) {
ConstructorNode constructor = new ConstructorNode("public", name);
ConstructorNode constructor = new ConstructorNode(new TypeNode("public"), name);
members.add(0,constructor);
}
}

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@ -1,7 +1,7 @@
package ast;
public class ConstructorNode extends MethodNode{
public ConstructorNode(String visibility, String name) {
public ConstructorNode(TypeNode visibility, String name) {
super(visibility, name);
}
}

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@ -1,8 +1,8 @@
package ast;
public class FieldNode extends MemberNode {
TypeNode type;
String name;
public TypeNode type;
public String name;
public FieldNode(TypeNode type, String name){
this.type = type;

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@ -9,9 +9,18 @@ public class MethodNode extends MemberNode{
public ParameterListNode parameters;
public MethodNode(TypeNode visibility, String name, ParameterListNode parameters){
public List<StatementNode> statements = new ArrayList<>();
public MethodNode(TypeNode visibility, String name, ParameterListNode parameters,
List<StatementNode> statements){
this.visibility = visibility;
this.name = name;
this.parameters = parameters;
this.statements = statements;
}
public MethodNode(TypeNode visibility, String name){
this.visibility = visibility;
this.name = name;
}
}

View File

@ -3,10 +3,10 @@ package ast;
import java.util.ArrayList;
import java.util.List;
public class ParameterListNode {
public class ParameterListNode extends ASTNode {
List<ParameterNode> parameters = new ArrayList<>();
public ParameterListNode(){
parameters
public ParameterListNode(List<ParameterNode> parameters){
this.parameters = parameters;
}
}

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@ -1,9 +1,12 @@
public class ParameterNode extends ASTNode {
public TypeNode type;
public String identifier;
package ast;
public ParameterNode(TypeNode type, String identifier) {
this.type = type;
this.identifier = identifier;
import java.util.ArrayList;
import java.util.List;
public class ProgramNode extends ASTNode {
public List<ClassNode> classes = new ArrayList<>();
public void addClass(ClassNode classNode) {
classes.add(classNode);
}
}

View File

@ -1,43 +1,14 @@
package bytecode;
import java.io.FileOutputStream;
import java.io.IOException;
import ast.ClassNode;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.Opcodes;
import ast.ProgramNode;
import ast.ClassNode;
public class ByteCodeGenerator {
public void generateByteCode(ProgramNode ast) {
for (ClassNode classDeclarationNode : ast.classes) {
ClassWriter classWriter = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
classWriter.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC, classDeclarationNode.name, null,
"java/lang/Object", null);
FieldCodeGen fieldCodeGen = new FieldCodeGen();
fieldCodeGen.generateFieldCode(classWriter);
MethodCodeGen methodCodeGen = new MethodCodeGen();
methodCodeGen.generateMethodCode(classWriter);
classWriter.visitEnd();
printIntoClassFile(classWriter.toByteArray(), classDeclarationNode.name);
classWriter.visitEnd();
}
}
private void printIntoClassFile(byte[] byteCode, String name) {
String filePath = "./classFileOutput/" + name + ".class";
try {
FileOutputStream fileOutputStream = new FileOutputStream(filePath);
fileOutputStream.write(byteCode);
fileOutputStream.close();
} catch (IOException e) {
e.printStackTrace();
ClassCodeGen classCodeGen = new ClassCodeGen();
classCodeGen.generateClassCode(classDeclarationNode);
}
}
}

View File

@ -39,23 +39,17 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
public ASTNode visitMethodDeclaration(SimpleJavaParser.MethodDeclarationContext ctx) {
TypeNode returnType = (TypeNode) visit(ctx.type());
String methodName = ctx.IDENTIFIER().getText();
ParameterListNode = (ParameterListNode) visit(ctx.parameterList());
List<ParameterNode> parameters = new ArrayList<>();
for (SimpleJavaParser.ParameterContext parameter : ctx.parameterList()) {
parameters.add(parameter);
}
MethodNode method = new MethodNode(returnType, methodName);
for (SimpleJavaParser.ParameterContext paramCtx : ctx.parameterList().parameter()) {
method.parameters.add((ParameterNode) visit(paramCtx));
}
ParameterListNode parameterListNode = (ParameterListNode) visit(ctx.parameterList());
List<StatementNode> statements = new ArrayList<>();
for (SimpleJavaParser.StatementContext stmtCtx : ctx.statement()) {
method.statements.add((StatementNode) visit(stmtCtx));
statements.add((StatementNode) visit(stmtCtx));
}
MethodNode method = new MethodNode(returnType, methodName, parameterListNode, statements);
return method;
}
@Override
public ASTNode visitType(SimpleJavaParser.TypeContext ctx) {
return new TypeNode(ctx.getText());
@ -78,7 +72,7 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
for (SimpleJavaParser.ParameterContext paramCtx : ctx.parameter()) {
parameters.add((ParameterNode) visitParameter(paramCtx));
}
return new ParameterListNode(parameters); // Assuming you want to keep a dedicated node for the list
return new ParameterListNode(parameters);
}
@Override