Changeset 1928 for lang/unlambda/impl/in_python/unlambda_oneliner.py

Timestamp:

11/23/07 14:11:19 (14 months ago)

Author:

nishio

Message:

lang/unlambda/impl/in_python: to be crazy

Files:

• lang/unlambda/impl/in_python/unlambda_oneliner.py (copied) (copied from lang/unlambda/impl/in_python/unlambda_lambda.py) (5 diffs)

lang/unlambda/impl/in_python/unlambda_oneliner.py

@@ -25 +25 @@
 
 # Node
-I = lambda:lambda c:c(lambda X,c:c(X))
+
 Dot = lambda char:lambda c:c(
     lambda X,c:sys.stdout.write(char)or c(X))
@@ -34 +34 @@
                 c(lambda Y,c:nY(lambda X:c(lambda X,c:X(Y,c))))
             )or(
-                nY(lambda Y: lambda :X(Y, c))))
-D = lambda:D_
+                nY(lambda Y:lambda:X(Y, c))))
+
 D_ = lambda c:c(D_)
-V0 = lambda X,c:c(V0)
-V = lambda:lambda c:c(V0)
-K = lambda:lambda c:c(lambda X,c:c(lambda Y,c:c(X)))
-C = lambda:lambda c:c(lambda Y,c:lambda:Y(lambda F,c_:c(F),c))
-S = lambda:lambda c:c(
+lambda V=lambda X,c:c(V):V
+
+def _parse(iter):
+    return {
+        "i": lambda:lambda c:c(lambda X,c:c(X)),
+        "d": lambda:D_,
+        "c": lambda:lambda c:c(lambda Y,c:lambda:Y(lambda F,c_:c(F),c)),
+        "v": lambda:lambda c:c(V),
+        "s": lambda:lambda c:c(
         lambda X,c:c(
             lambda Y,c:c(
@@ -51 +55 @@
                         Apply(
                             lambda c:c(Y),
-                            lambda c:c(Z))))(c))))
-
-def _parse(iter):
-    return {
-        "i": lambda: I(),
-        "d": lambda: D(),
-        "c": lambda: C(),
-        "v": lambda: V(),
-        "s": lambda: S(),
-        "k": lambda: K(),
+                            lambda c:c(Z))))(c)))),
+        "k": lambda:lambda c:c(lambda X,c:c(lambda Y,c:c(X))),
         "r": lambda: Dot("\n"),
         ".": lambda: Dot(iter.next()),
@@ -66 +62 @@
     }.get(iter.next(), lambda: _parse(iter))()
 
-def parse(s):
-    return _parse(list(s).__iter__())
+parse = lambda s: _parse(list(s).__iter__())
 
 # Main loop
+
+unlambda = lambda:None
+unlambda.next = lambda :unlambda.__setattr__(
+    "task",
+    unlambda.task()) or unlambda.task
+
+from itertools import count, ifilter
 def run(s):
-    task = lambda:parse(s)(lambda f:lambda:None)
-    while task:
-        task = task()
+    unlambda.__setattr__("task", lambda:parse(s)(lambda f:lambda:None))
+    ifilter(lambda x:not(unlambda.next()), count()).next()
 
 # Test
@@ -90 +91 @@
       """)
 
+_test()
+print "ok."