ugly fix to run Alhazen

Author: Laura

docs/code/Alhazen.py

@@ -1647,11 +1647,11 @@ def get_all_input_specifications(dec_tree,
 import random
 from itertools import chain
 
-def best_trees(forest, spec):
+def best_trees(forest, spec, grammar):
     samples = [tree_to_string(tree) for tree in forest]
     fulfilled_fractions= []
     for sample in samples:
-        gen_features = collect_features([sample], CALC_GRAMMAR)
+        gen_features = collect_features([sample], grammar)
 
         # calculate percentage of fulfilled requirements (used to rank the sample)
         fulfilled_count = 0
@@ -1718,7 +1718,7 @@ def generate_samples_advanced(grammar: Grammar,
         done = False
         starttime = time.time()
         best_chosen = [fuzzer.fuzz_tree() for _ in range(100)]
-        done, best_chosen = best_trees(best_chosen, spec)
+        done, best_chosen = best_trees(best_chosen, spec, grammar)
         if done:
             final_samples.append(tree_to_string(best_chosen))
 
@@ -1758,7 +1758,7 @@ def generate_samples_advanced(grammar: Grammar,
                                 curr = s[0]
                             except SyntaxError:
                                 pass
-            done, best_chosen = best_trees(best_chosen, spec)
+            done, best_chosen = best_trees(best_chosen, spec, grammar)
             if done:
                 final_samples.append(tree_to_string(best_chosen))
         if not done:
@@ -1775,6 +1775,8 @@ def generate_samples_random(grammar, new_input_specifications, num):
 
     return data
 
+generate_samples = generate_samples_advanced
+
 if __name__ == '__main__':
     generate_samples = generate_samples_advanced