From ae199b3d0e980f612c7d7260602ac4e66f49a31d Mon Sep 17 00:00:00 2001
From: leo <leo.quintrand@gmail.com>
Date: Thu, 17 Jun 2021 11:52:52 +0200
Subject: [PATCH] PLUS et STAR

---
 lexer.c | 55 ++++++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 44 insertions(+), 11 deletions(-)

diff --git a/lexer.c b/lexer.c
index c6057b7..6a45097 100644
--- a/lexer.c
+++ b/lexer.c
@@ -9,7 +9,8 @@ typedef struct Exploration Exploration;
 enum opcode {
     STRING,
     AND,
-    STAR
+    STAR,
+    PLUS
 };
 struct Exploration
 {
@@ -19,7 +20,7 @@ struct Exploration
 
 Exploration *mkExploration(char *text)
 {
-    Exploration *exploration = calloc(1,sizeof(Exploration));
+    Exploration *exploration = calloc(1,sizeof(Exploration*)); //sizeof du type pointeur
     exploration->position= 0;
     exploration->text= text;
     return exploration;
@@ -57,6 +58,7 @@ struct Node
 };
 
 
+
 Node *mkNode(enum opcode type)
 {
     Node *node= calloc(1, sizeof(Node));
@@ -79,6 +81,7 @@ Node *mkAnd(Node *node1, Node *node2)
     return node;
 }
 
+
 Node *mkStar(Node *child)
 {
     Node *node= mkNode(STAR);
@@ -86,6 +89,13 @@ Node *mkStar(Node *child)
     return node;
 }
 
+Node *mkPlus(Node *child)
+{
+    Node *node= mkNode(PLUS);
+    node->children[0]= child;
+    return node;
+}
+
 
 int execute(Node *node, Exploration *in)
 {
@@ -116,8 +126,25 @@ int execute(Node *node, Exploration *in)
       }
       }
       case STAR: {
-      //TODO
-      return 0;
+          if(execute(node->children[0], in) == 1){
+              execute(node->children[0], in);
+          }
+          else return 1;
+      }
+      case PLUS: {
+          if(execute(node->children[0],in)==0){
+              return 0;
+          }
+          else{
+            while(execute(node->children[0], in) == 1){
+                       
+                            execute(node->children[0], in);
+                        
+                    }
+                return 1;
+          
+          }
+         
       }
     }
     printf("this cannot happen\n");
@@ -136,15 +163,21 @@ int main(int argc, char **argv)
 	mkAnd(mkString("aab"),
 	      mkString("bcc"));*/
 
-    Node *program=
+    /*Node *program=
 	mkAnd(mkString("aa"),
 	      mkAnd(mkString("bb"),
-		    mkString("cc")));
-
-    /*Node *program=
-	      mkAnd(mkStar(mkString("a")),       // "a"*"b"*"c"*
-		    mkAnd(mkStar(mkString("b")),
-			  mkStar(mkString("c")));*/
+		    mkString("cc")));*/
+
+  /*  Node *program=
+        mkAnd( mkString("aabbcc"),   
+            mkAnd(mkStar(mkString("c")),       // "a"*"b"*"c"*
+                mkAnd(mkStar(mkString("b")),
+                mkStar(mkString("c")))));
+*/
+    Node *program= 
+            mkAnd(mkPlus(mkString("a")),       // "a"*"b"*"c"*
+                mkAnd(mkPlus(mkString("b")),
+                mkPlus(mkString("c"))));
 
     if (execute(program, in)<=0)
     {