save before apply thing from l3

src/main/antlr/TurtleParser.g

@@ -22,6 +22,7 @@ options {
 
 }
 prog : bloc EOF
+   {$t = new TurtleAST()}
    ;
 bloc : sujet listvc P manyb // <entity> list.
    ;

src/main/java/TP1/TurtleAST.java

@@ -1,8 +1,63 @@
 package TP1;
 
-public class TurtleAST {
-    public TurtleAST(){
+import java.util.ArrayList;
+import java.util.List;
 
+public class TurtleAST {
+
+    sealed interface Ntriple{}
+    sealed interface Phrase{}
+    sealed interface Entity{}
+
+
+    record NtripleImp(List<PhraseImp> phrases) implements Ntriple{
+        public String toString(){
+            String str = "";
+            for (PhraseImp phrase : this.phrases) {
+                str += phrase.toString() + ".\n" ;
+            }
+            return str;
+        }
+    }
+    record PhraseImp(EntityImp s, EntityImp v, EntityImp c) implements Phrase{
+        public String toString(){
+            return s.toString() + " " + v.toString() + " " + c.toString();
+        }
+    }
+    record EntityImp(String val, Boolean isText) implements Entity{
+        public String toString(){
+            String str="";
+            if(isText) str = "\"" + val + "\"";
+            else str = "<" + val + ">";
+            return str;
+        }
     }
 
+    String currentSujet;
+    String currentVerbe;
+    List<PhraseImp> listPhrases;
+    Ntriple ntriple;
+    public TurtleAST(){
+        this.listPhrases = new ArrayList<>();
+    }
+
+    public void addSujet(String sujet){
+        this.currentSujet=sujet;
+    }
+
+    public void addVerbe(String verbe){
+        this.currentVerbe=verbe;
+    }
+
+    public void addComplement(String complement, Boolean isText){
+        EntityImp s = new EntityImp(currentSujet, false);
+        EntityImp v = new EntityImp(currentVerbe, false);
+        EntityImp c = new EntityImp(complement, isText);
+        PhraseImp phrase = new PhraseImp(s,v,c);
+        this.listPhrases.add(phrase);
+    }
+
+    public void finishNtriple(){
+        this.ntriple = new NtripleImp(listPhrases);
+    }
 }