while working

main.py

@@ -125,7 +125,6 @@ def Evaluate(self, st):
 
 
 class IfOp(Node):
-
     def Evaluate(self, st):
         if (self.children[0].Evaluate(st)):
             self.children[1].Evaluate(st) 
@@ -229,6 +228,8 @@ def selectNext(self):
                 self.actual.type = "READ"
             elif(self.actual.value == "if"):
                 self.actual.type = "IF"
+            elif(self.actual.value == "else"):
+                self.actual.type = "ELSE"                
             elif(self.actual.value == "while"):
                 self.actual.type = "WHILE"
         return self.actual
@@ -424,19 +425,37 @@ def parseCommand():
             Parser.tokens.selectNext()
 
             if Parser.tokens.actual.type == 'OPN':
-                Parser.tokens.selectNext()
                 while_node.children.append(Parser.parseOrexPR())
                 if Parser.tokens.actual.type == 'CLS':
                     Parser.tokens.selectNext()
-                    while_node.children.append(Parser.parseCommand())
+                    if Parser.tokens.actual.type == 'ENDCOM':
+                        while_node = NoOp()
+                    else:
+                        while_node.children.append(Parser.parseCommand())
                 else:
                     raise Exception("WHILE ERROR")
             else:
                 raise Exception("WHILE ERROR")
             return while_node
 
         elif Parser.tokens.actual.type == "IF":
-            pass
+            if_node = IfOp("if",[])
+            Parser.tokens.selectNext()
+            if Parser.tokens.actual.type == 'OPN':
+                if_node.children.append(Parser.parseOrexPR())
+                if Parser.tokens.actual.type == 'CLS':
+                    Parser.tokens.selectNext()
+                    if Parser.tokens.actual.type == 'ENDCOM':
+                        if_node.children.append(NoOp())
+                    else:
+                        if_node.children.append(Parser.parseCommand())
+                    if Parser.tokens.actual.type == "ELSE":
+                        print("salve")    
+                else:
+                    raise Exception("IF ERROR")
+            else:
+                raise Exception("IF ERROR")
+
         else:
             pass
 

teste.c

@@ -1,10 +1,4 @@
 {x1 = 3; /* bla bla $x1 = 9999998 */
-y2 = 4;
-x = 1 + 2;
-z_final = x1 + y2 *33;
-x = 2;
-while (x && 4){
-println(x);
-x = x+1;}
-
-println(2);}
+while(x1 < 6)
+x1 = x1 + 2;
+println(x1);}