diff --git a/src/main/java/TP2/LLVM.java b/src/main/java/TP2/LLVM.java
new file mode 100644
index 0000000..9375698
--- /dev/null
+++ b/src/main/java/TP2/LLVM.java
@@ -0,0 +1,132 @@
+package TP2;
+
+import java.util.List;
+
+
+public class LLVM {
+    sealed interface Prog{}
+    sealed interface Fonction{}
+    sealed interface Instr{}
+    sealed interface Bloc implements Instr{}
+    sealed interface Aff implements Instr{}
+    sealed interface Print implements Instr{}
+    sealed interface Read implements Instr{}
+    sealed interface IfThen implements Instr{}
+    sealed interface IfThenElse implements Instr{}
+    sealed interface While implements Instr{}
+    sealed interface Type{}
+    sealed interface INT implements Type{}
+    sealed interface ListDecl{}
+    sealed interface ListVar{}
+    sealed interface Expression{}
+
+
+
+    record ProgImpl(List<Fonction> fonctions) implements Prog{
+
+    }
+
+    record FonctionImpl(Type type, String nom, List<Instr> instrs) implements Fonction{
+
+    }
+
+    record Bloc(List<ListDecl> listDecls) implements Bloc{
+        public String toString(){
+            String str = "";
+            for(int i = 0; i<listDecls.size(); i++){
+                str += "\n" + listDecls.get(i).tostring();
+            }
+            return str;
+        }
+    }
+
+    record Aff(String var, Expression expression) implements Aff{
+        public String toString(){
+            return var + ":=" + expression.toString();
+        }
+    }
+
+    record Print(Item item) implements Print{
+        public String toString(){
+            return "PRINT" + item.tostring();
+        }
+    }
+
+    record Read(Item item) implements Read{
+        public String toString(){
+            return "READ " + item.toString();
+        }
+
+    }
+
+    record IfThen(Cond cond, List<Instr> instrs) implements IfThen{
+        public String toString(){
+            String str = "IF " + cond.toString() + "THEN";
+            for(int i = 0; i< instrs1.size(); i++){
+                str += "\n" + instrs1.get(i).toString();
+            }
+            return str;
+        }
+
+    }
+
+    record IfThenElse(Cond cond, List<Instr> instrs1, List<Instr> instrs1) implements IfThenElse{
+        public String toString(){
+            String str = "IF " + cond.toString() + "THEN";
+            for(int i = 0; i< instrs1.size(); i++){
+                str += "\n" + instrs1.get(i).toString();
+            }
+            str += "\nELSE";
+            for(int i = 0; i< instrs2.size(); i++){
+                str += "\n" + instrs2.get(i).toString();
+            }
+            return str;
+        }
+    }
+
+    record While(Cond cond, List<Instr> instrs) implements While{
+        public String toString(){
+            String str = "WHILE " + cond.toString() +"\nDO {";
+            for(int i = 0; i< instrs.size(); i++){
+                str += "\n" + instrs.get(i).toString();
+            }
+            str += "\n}";
+            return str;
+        }
+    }
+
+    record INT() implements INT{
+
+        public String toString(){
+            return "INT";
+        }
+    }
+
+    record ListDecl(Type type, List<String> vars) implements ListDecl{
+        public String toString(){
+            String str = type.toString + " ";
+            for(int i = 0, i<vars.size(), i++){
+                if(i<vars.size()-1){
+                    str += var+",";
+                }
+                else str += var;
+            }
+            return str
+
+        }
+    }
+
+
+    record Expression() implements Expression{
+
+    }
+
+
+    
+
+
+
+
+
+
+}
\ No newline at end of file