Update.

[picoclvr.git] / rpl.py

diff --git a/rpl.py b/rpl.py
index 42db38c..7f7dcfc 100755 (executable)
--- a/rpl.py
+++ b/rpl.py
@@ -11,6 +11,7 @@ from torch.nn import functional as F
 
 
 def rpl_exec(program, stack):
+    stack = stack.copy()
     for op in program:
         if op == "add":
             if len(stack) > 1:
@@ -44,22 +45,23 @@ def rpl_exec(program, stack):
         else:
             raise ValueError(f"Unknown instruction {op}")
 
+    return stack
+
 
 rpl_ops = ["add", "min", "max", "swp", "rep", "dup", "del"]
 
 ######################################################################
 
 
-def generate(nb_values=3, max_input=9, prog_len=6, nb_runs=5):
-    prog_len = 1 + torch.randint(prog_len - 1, (1,)).item()
+def generate(nb_starting_values=3, max_input=9, prog_len=6, nb_runs=5):
+    prog_len = (1 + torch.randint(2 * prog_len, (1,))).clamp(max=prog_len).item()
     prog = [rpl_ops[k] for k in torch.randint(len(rpl_ops), (prog_len,))]
 
     result = []
     for _ in range(nb_runs):
-        stack = [x.item() for x in torch.randint(max_input + 1, (nb_values,))]
-        result = result + ["<input>"] + stack
-        rpl_exec(prog, stack)
-        result = result + ["<output>"] + stack
+        stack = [x.item() for x in torch.randint(max_input + 1, (nb_starting_values,))]
+        result_stack = rpl_exec(prog, stack)
+        result = result + ["<input>"] + stack + ["<output>"] + result_stack
 
     result = result + ["<prog>"] + prog
     result = result + ["<end>"]
@@ -78,7 +80,7 @@ def next_marker(seq, tokens, start=0):
     return pos
 
 
-def check(seq):
+def decompose(seq):
     io = []
     k = 0
     while seq[k] == "<input>":
@@ -86,7 +88,13 @@ def check(seq):
         e = next_marker(seq, ["<input>", "<prog>"], start=o)
         if o is None or e is None:
             raise ValueError("Invalid input/output")
-        io.append((seq[k + 1 : o], seq[o + 1 : e]))
+        try:
+            io.append(
+                ([int(x) for x in seq[k + 1 : o]], [int(x) for x in seq[o + 1 : e]])
+            )
+        except ValueError:
+            raise ValueError("Invalid input/output")
+
         k = e
 
     if seq[k] == "<prog>":
@@ -95,24 +103,35 @@ def check(seq):
             prog = []
         else:
             prog = seq[k + 1 : e]
+    return prog, io
+
+
+def compute_nb_errors(seq):
+    prog, io = decompose(seq)
 
     nb_total, nb_errors = 0, 0
 
+    stacks = []
+
     if len(set(prog) - set(rpl_ops)) > 0:
-        for stack, target_stack in io:
+        # Program is not valid, we count 100% error
+        for start_stack, target_stack in io:
+            stacks.append((start_stack, target_stack, "N/A", False))
             nb_total += len(target_stack)
             nb_errors += len(target_stack)
 
     else:
-        for stack, target_stack in io:
-            # print(f"INIT {stack} PROG {prog}")
-            rpl_exec(prog, stack)
-            # print(f"CHECK {stack} REF {target_stack} NB_ERROR {abs(len(stack) - len(target_stack))+sum([0 if x == y else 1 for x, y in zip(stack, target_stack)])}")
+        # Program is valid
+        for start_stack, target_stack in io:
+            result_stack = rpl_exec(prog, start_stack)
             nb_total += len(target_stack)
-            nb_errors += abs(len(stack) - len(target_stack))
-            nb_errors += sum([0 if x == y else 1 for x, y in zip(stack, target_stack)])
+            e = abs(len(result_stack) - len(target_stack)) + sum(
+                [0 if x == y else 1 for x, y in zip(result_stack, target_stack)]
+            )
+            nb_errors += e
+            stacks.append((start_stack, target_stack, result_stack, e == 0))
 
-    return nb_total, nb_errors
+    return nb_total, nb_errors, prog, stacks
 
 
 ######################################################################
@@ -122,4 +141,4 @@ if __name__ == "__main__":
     print(seq)
     seq[3] = 7
     print(seq)
-    print(check(seq))
+    print(compute_nb_errors(seq))