1 files changed, 24 insertions, 13 deletions

diff --git a/main.cpp b/main.cpp
index c1ecd22..9328b1e 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,3 +1,7 @@
+/* PIA - Lenguajes Modernos de Programación
+ * FACULTAD DE CIENCIAS FÍSICO MATEMÁTICAS
+ * Luis Sebastián Martínez Vega - LCC */
+
 #include <iterator>
 #include <ostream>
 #include <string>
@@ -13,26 +17,33 @@ using std::string, std::cin, std::cout, std::getline, std::vector,
   std::begin, std::end, std::endl;
 
 int main(){
+  int counter = 1;
   string input;
   Parser parser;
-  Expression *tree;
-  Expression *simplified = NULL;
-  getline(cin, input);
+  Expression *tree, *simplified, *diff;
 
-  try {
-    tree = parser.parse(input);
-    cout << tree->getRepr() << '\n';
-  } catch(const ParserException &e) {
-    cout << e.showMsg() << endl;
-    tree = NULL;
-  }
+  cout << ">> ";
+  while(getline(cin, input)) {
+    try {
+      tree = parser.parse(input);
+    } catch(const ParserException &e) {
+      cout << e.showMsg();
+      cout << ">> ";
+      continue;
+    }
+
+    diff = deriv(tree);
+    simplified = simplify(diff);
+    cout << "OUT " << counter << ": " << simplified->getRepr() << "\n";
+    cout << ">> ";
 
-  if(tree != NULL) {
-    simplified = simplify(tree);
-    cout << simplified->getRepr() << endl;
     delete tree;
     delete simplified;
+    delete diff;
+    ++counter;
   }
+
+  cout << "Adiós!\n" << endl;
   
   return 0;
 }