From bbcb29a202436fc0e222e187f1fadf0b1f305465 Mon Sep 17 00:00:00 2001
From: Timotej Lazar <timotej.lazar@fri.uni-lj.si>
Date: Sun, 22 May 2016 17:48:30 +0200
Subject: Prolog: update denotational_semantics problems

---
 prolog/problems/algol/algol_if_3/en.py | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 prolog/problems/algol/algol_if_3/en.py

(limited to 'prolog/problems/algol/algol_if_3/en.py')

diff --git a/prolog/problems/algol/algol_if_3/en.py b/prolog/problems/algol/algol_if_3/en.py
new file mode 100644
index 0000000..bd5b732
--- /dev/null
+++ b/prolog/problems/algol/algol_if_3/en.py
@@ -0,0 +1,19 @@
+name = 'algol_if/3'
+slug = 'interpreter for mini-algol with if-statement'
+
+description = '''\
+<p>Extend the given DCG for mini-algol to support the if-statement. You can assume that both branches are present in every if-statement. Example:</p>
+<pre>
+% if a < b then
+%   print(a)
+% else
+%   print(b)
+% end
+?- _Program = [begin,if,a,<,b,then,print(a),else,print(b),end,end],
+    algol_if(_F, _Program, []),
+    apply([a=3,b=5], Output, _F).
+  Output = [a=3,b=5,printout=[3]].
+</pre>
+'''
+
+hint = {}
-- 
cgit v1.2.1