From c4061125c45aa6e339f9387bb35fcaade71bb865 Mon Sep 17 00:00:00 2001
From: i22007 <i22007@hb.dhbw-stuttgart.de>
Date: Tue, 14 May 2024 11:39:14 +0200
Subject: [PATCH] Add method parameters to bytecode

---
 src/main/java/ast/parameter/ParameterListNode.java |  2 +-
 src/main/java/bytecode/Mapper.java                 | 10 ++++++++--
 src/main/java/bytecode/MethodCodeGen.java          |  8 +++++---
 3 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/src/main/java/ast/parameter/ParameterListNode.java b/src/main/java/ast/parameter/ParameterListNode.java
index 34c615a..f409a65 100644
--- a/src/main/java/ast/parameter/ParameterListNode.java
+++ b/src/main/java/ast/parameter/ParameterListNode.java
@@ -6,7 +6,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 public class ParameterListNode extends ASTNode {
-    List<ParameterNode> parameters = new ArrayList<>();
+    public List<ParameterNode> parameters = new ArrayList<>();
 
     public ParameterListNode(List<ParameterNode> parameters){
         this.parameters = parameters;
diff --git a/src/main/java/bytecode/Mapper.java b/src/main/java/bytecode/Mapper.java
index 7f1b219..dbc452e 100644
--- a/src/main/java/bytecode/Mapper.java
+++ b/src/main/java/bytecode/Mapper.java
@@ -1,5 +1,7 @@
 package bytecode;
 
+import ast.parameter.ParameterListNode;
+import ast.parameter.ParameterNode;
 import ast.type.AccessTypeNode;
 import ast.type.EnumAccessTypeNode;
 import ast.type.EnumTypeNode;
@@ -17,8 +19,12 @@ public class Mapper {
         return 0;
     }
 
-    public String generateMethodDescriptor(TypeNode typeNode) {
-        String descriptor = "()";
+    public String generateMethodDescriptor(TypeNode typeNode, ParameterListNode parameterListNode) {
+        String descriptor = "(";
+        for(ParameterNode parameterNode : parameterListNode.parameters) {
+            descriptor += getTypeChar(parameterNode.type.enumTypeNode);
+        }
+        descriptor += ")";
         descriptor += getTypeChar(typeNode.enumTypeNode);
         return descriptor;
     }
diff --git a/src/main/java/bytecode/MethodCodeGen.java b/src/main/java/bytecode/MethodCodeGen.java
index fd8a29a..2e352be 100644
--- a/src/main/java/bytecode/MethodCodeGen.java
+++ b/src/main/java/bytecode/MethodCodeGen.java
@@ -9,6 +9,7 @@ public class MethodCodeGen implements bytecode.visitor.MethodVisitor {
 
     private ClassWriter classWriter;
     Mapper mapper = new Mapper();
+    private MethodVisitor methodVisitor;
 
     public MethodCodeGen(ClassWriter classWriter) {
         this.classWriter = classWriter;
@@ -27,12 +28,13 @@ public class MethodCodeGen implements bytecode.visitor.MethodVisitor {
 
     @Override
     public void visit(MethodNode methodNode) {
-        MethodVisitor method = classWriter.visitMethod(mapper.mapAccesTypeToOpcode(methodNode.visibility),
+        methodVisitor = classWriter.visitMethod(mapper.mapAccesTypeToOpcode(methodNode.visibility),
                 methodNode.identifier,
-                mapper.generateMethodDescriptor(methodNode.type),
+                mapper.generateMethodDescriptor(methodNode.type, methodNode.parameters),
                 null,
                 null);
 
-        method.visitEnd();
+        // methodNode.parameters.accept(this);
+        methodVisitor.visitEnd();
     }
 }