From de7b441fe4ebd88fc19abbd6542cb8129f735ced Mon Sep 17 00:00:00 2001 From: Aleksander Sadikov Date: Sun, 22 May 2016 20:37:28 +0200 Subject: Denotational semantics, part #1: tests and translations added. --- .../prog_8puzzle_2/common.py | 39 ++++++++++++++++++++++ .../denotational_semantics/prog_8puzzle_2/sl.py | 16 +++++++++ .../prog_8puzzle_3/common.py | 39 ++++++++++++++++++++++ .../denotational_semantics/prog_8puzzle_3/sl.py | 35 +++++++++++++++++++ .../prog_listswap_2/common.py | 38 +++++++++++++++++++++ .../denotational_semantics/prog_listswap_2/en.py | 6 ++-- .../denotational_semantics/prog_listswap_2/sl.py | 18 ++++++++++ .../prog_listswap_3/common.py | 36 ++++++++++++++++++++ .../denotational_semantics/prog_listswap_3/en.py | 2 ++ .../denotational_semantics/prog_listswap_3/sl.py | 37 ++++++++++++++++++++ 10 files changed, 264 insertions(+), 2 deletions(-) create mode 100644 prolog/problems/denotational_semantics/prog_8puzzle_2/sl.py create mode 100644 prolog/problems/denotational_semantics/prog_8puzzle_3/sl.py create mode 100644 prolog/problems/denotational_semantics/prog_listswap_2/sl.py create mode 100644 prolog/problems/denotational_semantics/prog_listswap_3/sl.py diff --git a/prolog/problems/denotational_semantics/prog_8puzzle_2/common.py b/prolog/problems/denotational_semantics/prog_8puzzle_2/common.py index 22429cc..7f78fec 100644 --- a/prolog/problems/denotational_semantics/prog_8puzzle_2/common.py +++ b/prolog/problems/denotational_semantics/prog_8puzzle_2/common.py @@ -1,3 +1,10 @@ +from operator import itemgetter +import socket + +import prolog.engine +import prolog.util +from server.hints import Hint, HintPopup + id = 172 number = 30 visible = True @@ -14,3 +21,35 @@ instr172 --> [right]. instr172 --> [up]. instr172 --> [down]. ''' + +test_cases = [ + ('findall(W, (W = [_], prog_8puzzle(W, [])), Words), Words == []', + [{}]), + ('setof(W, [A,B,C]^(W = [A,B,C], prog_8puzzle(W, [])), Words), \ + Words == [[begin,down,end],[begin,left,end],[begin,right,end],[begin,up,end]]', + [{}]), + ('setof(W, [A,B,C,D]^(W = [A,B,C,D], prog_8puzzle(W, [])), Words), length(Words, 16)', + [{}]), + ('prog_8puzzle([begin,down,down,up,up,left,left,right,end], [])', + [{}]), +] + +def test(code, aux_code): + n_correct = 0 + engine_id = None + try: + engine_id, output = prolog.engine.create(code=code+aux_code, timeout=1.0) + if engine_id is not None and 'error' not in map(itemgetter(0), output): + # Engine successfully created, and no syntax error in program. + for query, answers in test_cases: + if prolog.engine.check_answers(engine_id, query=query, answers=answers, timeout=1.0): + n_correct += 1 + except socket.timeout: + pass + finally: + if engine_id: + prolog.engine.destroy(engine_id) + + hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_cases)}}] + return n_correct, len(test_cases), hints + diff --git a/prolog/problems/denotational_semantics/prog_8puzzle_2/sl.py b/prolog/problems/denotational_semantics/prog_8puzzle_2/sl.py new file mode 100644 index 0000000..0e5ad88 --- /dev/null +++ b/prolog/problems/denotational_semantics/prog_8puzzle_2/sl.py @@ -0,0 +1,16 @@ +name = 'prog_8puzzle/2' +slug = 'jezik za reševanje igre Osem' + +description = '''\ +

+Napiši DCG za jezik igre Osem (angl. 8-puzzle). Prvi simbol vsake besede je simbol [begin], temu pa +sledi poljubno zaporedje "ukazov" iz nabora {left, right, up down}, +na koncu pa je simbol [end]. Začetni nekončni simbol naj se imenuje prog_8puzzle. +

+ +

+Primeri veljavnih besed: [begin,left,down,right,end], [begin,down,end]. +

+''' + +hint = {} diff --git a/prolog/problems/denotational_semantics/prog_8puzzle_3/common.py b/prolog/problems/denotational_semantics/prog_8puzzle_3/common.py index 0e0d048..b88e544 100644 --- a/prolog/problems/denotational_semantics/prog_8puzzle_3/common.py +++ b/prolog/problems/denotational_semantics/prog_8puzzle_3/common.py @@ -1,3 +1,10 @@ +from operator import itemgetter +import socket + +import prolog.engine +import prolog.util +from server.hints import Hint, HintPopup + id = 173 number = 40 visible = True @@ -34,3 +41,35 @@ instr173((R0,C0) --> (R,C)) --> ; C0>6, C=C0, R=R0)}. ''' + +test_cases = [ + ('findall(W, (W = [_], prog_8puzzle(_, W, [])), Words), Words == []', + [{}]), + ('prog_8puzzle([1,2,3,4,5,6,7,8,0]-->Out, [begin,down,right,left,end], []), Out == [1,2,3,4,5,6,7,0,8]', + [{}]), + ('prog_8puzzle([1,2,3,4,5,6,7,8,0]-->Out, [begin,up,up,left,left,end], []), Out == [0,1,2,4,5,3,7,8,6]', + [{}]), + ('prog_8puzzle([1,2,3,4,5,6,7,8,0]-->Out, [begin,left,up,right,up,left,down,down,right,end], []), \ + Out == [1,6,2,4,5,3,7,8,0]', + [{}]), +] + +def test(code, aux_code): + n_correct = 0 + engine_id = None + try: + engine_id, output = prolog.engine.create(code=code+aux_code, timeout=1.0) + if engine_id is not None and 'error' not in map(itemgetter(0), output): + # Engine successfully created, and no syntax error in program. + for query, answers in test_cases: + if prolog.engine.check_answers(engine_id, query=query, answers=answers, timeout=1.0): + n_correct += 1 + except socket.timeout: + pass + finally: + if engine_id: + prolog.engine.destroy(engine_id) + + hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_cases)}}] + return n_correct, len(test_cases), hints + diff --git a/prolog/problems/denotational_semantics/prog_8puzzle_3/sl.py b/prolog/problems/denotational_semantics/prog_8puzzle_3/sl.py new file mode 100644 index 0000000..63744f9 --- /dev/null +++ b/prolog/problems/denotational_semantics/prog_8puzzle_3/sl.py @@ -0,0 +1,35 @@ +name = 'prog_8puzzle/3' +slug = 'jezik za reševanje igre Osem s pomenom' + +description = '''\ +

+Napiši DCG za jezik igre Osem (angl. 8-puzzle). Sintaksa tega jezika naj bo enaka kot v prejšnji nalogi. +Prvi simbol vsake besede je simbol [begin], temu pa sledi poljubno zaporedje "ukazov" iz nabora +{left, right, up down}, na koncu pa je simbol +[end]. Začetni nekončni simbol naj se imenuje prog_8puzzle. +

+ +

+Pomen besede (programa) v tem jeziku ima obliko In-->Out in pomeni preslikavo +med vhodnim seznamom In in izhodnim seznamom Out. Stanje je seznam (permutiran) +števil od 0 do 8, kjer 0 pomeni prazno polje, ostala števila pa pomenijo oznako ustrezne ploščice. Prva +tri števila v seznamu predstavljajo prvo vrstico stanja igre Osem, naslednja tri srednjo vrstico in zadnja +tri spodnjo vrstico. Pomen ukazov left, right, up in down +je "premik" praznega polja v ustrezni smeri. +

+ +
+?- prog_8puzzle([0,1,2,3,4,5,6,7,8]-->Out, [begin,down,right,end], []).
+  Out = [3,1,2,4,0,5,6,7,8].
+
+ +

+Pomožni predikati (že definirani): +

+ +''' + +hint = {} diff --git a/prolog/problems/denotational_semantics/prog_listswap_2/common.py b/prolog/problems/denotational_semantics/prog_listswap_2/common.py index b3da01f..e4dd975 100644 --- a/prolog/problems/denotational_semantics/prog_listswap_2/common.py +++ b/prolog/problems/denotational_semantics/prog_listswap_2/common.py @@ -1,3 +1,10 @@ +from operator import itemgetter +import socket + +import prolog.engine +import prolog.util +from server.hints import Hint, HintPopup + id = 175 number = 10 visible = True @@ -25,3 +32,34 @@ instr --> [left]. instr --> [right]. instr --> [swap]. ''' + +test_cases = [ + ('findall(W, (W = [_], prog_listswap(W, [])), Words), Words == []', + [{}]), + ('setof(W, [A,B,C,D]^(W = [A,B,C,D], prog_listswap(W, [])), Words), length(Words, 9)', + [{}]), + ('prog_listswap([begin,right,right,swap,end], [])', + [{}]), + ('prog_listswap([begin,right,right,swap,left,swap,end], [])', + [{}]), +] + +def test(code, aux_code): + n_correct = 0 + engine_id = None + try: + engine_id, output = prolog.engine.create(code=code+aux_code, timeout=1.0) + if engine_id is not None and 'error' not in map(itemgetter(0), output): + # Engine successfully created, and no syntax error in program. + for query, answers in test_cases: + if prolog.engine.check_answers(engine_id, query=query, answers=answers, timeout=1.0): + n_correct += 1 + except socket.timeout: + pass + finally: + if engine_id: + prolog.engine.destroy(engine_id) + + hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_cases)}}] + return n_correct, len(test_cases), hints + diff --git a/prolog/problems/denotational_semantics/prog_listswap_2/en.py b/prolog/problems/denotational_semantics/prog_listswap_2/en.py index 89907bd..7db473b 100644 --- a/prolog/problems/denotational_semantics/prog_listswap_2/en.py +++ b/prolog/problems/denotational_semantics/prog_listswap_2/en.py @@ -6,12 +6,14 @@ description = '''\ Write a DCG for manipulating list elements. The first symbol in every word is [begin], followed by any sequence of "instruction" symbols from the set {left, right, swap}, and finally -[end]. The starting symbol should be named +the symbol [end]. The starting symbol should be named prog_listswap.

+

This exercise has already been solved for you. Check how it works in the console.

+

-Example words: [begin,right,swap,end], [begin,right,left,end]. +Example words: [begin,right,swap,end], [begin,right,right,swap,left,swap,end].

''' diff --git a/prolog/problems/denotational_semantics/prog_listswap_2/sl.py b/prolog/problems/denotational_semantics/prog_listswap_2/sl.py new file mode 100644 index 0000000..0ed8e4d --- /dev/null +++ b/prolog/problems/denotational_semantics/prog_listswap_2/sl.py @@ -0,0 +1,18 @@ +name = 'prog_listswap/2' +slug = 'jezik za rokovanje s seznami' + +description = '''\ +

+Napiši DCG za rokovanje s seznami. Prvi simbol vsake besede je [begin], temu pa sledi +poljubno zaporedje "ukazov" iz nabora {left, right, swap}, +na koncu pa je simbol [end]. Začetni nekončni simbol naj se imenuje prog_listswap. +

+ +

Ta naloga je že rešena. Preveri kako deluje v konzoli.

+ +

+Primeri veljavnih besed: [begin,right,swap,end], [begin,right,right,swap,left,swap,end]. +

+''' + +hint = {} diff --git a/prolog/problems/denotational_semantics/prog_listswap_3/common.py b/prolog/problems/denotational_semantics/prog_listswap_3/common.py index 800717e..f8238c6 100644 --- a/prolog/problems/denotational_semantics/prog_listswap_3/common.py +++ b/prolog/problems/denotational_semantics/prog_listswap_3/common.py @@ -1,3 +1,10 @@ +from operator import itemgetter +import socket + +import prolog.engine +import prolog.util +from server.hints import Hint, HintPopup + id = 174 number = 20 visible = True @@ -48,3 +55,32 @@ instr((R0,C0)-->(R,C0)) --> [swap], { swap(R0, C0, R) }. ''' + +test_cases = [ + ('findall(W, (W = [_], prog_listswap(_, W, [])), Words), Words == []', + [{}]), + ('prog_listswap([1,2,3,4]-->Out, [begin,right,right,swap,end], []), Out == [1,3,2,4]', + [{}]), + ('prog_listswap([a,b,c,d,e]-->Out, [begin,right,right,swap,left,swap,end], []), Out == [c,a,b,d,e]', + [{}]), +] + +def test(code, aux_code): + n_correct = 0 + engine_id = None + try: + engine_id, output = prolog.engine.create(code=code+aux_code, timeout=1.0) + if engine_id is not None and 'error' not in map(itemgetter(0), output): + # Engine successfully created, and no syntax error in program. + for query, answers in test_cases: + if prolog.engine.check_answers(engine_id, query=query, answers=answers, timeout=1.0): + n_correct += 1 + except socket.timeout: + pass + finally: + if engine_id: + prolog.engine.destroy(engine_id) + + hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_cases)}}] + return n_correct, len(test_cases), hints + diff --git a/prolog/problems/denotational_semantics/prog_listswap_3/en.py b/prolog/problems/denotational_semantics/prog_listswap_3/en.py index e275335..d357e3e 100644 --- a/prolog/problems/denotational_semantics/prog_listswap_3/en.py +++ b/prolog/problems/denotational_semantics/prog_listswap_3/en.py @@ -33,6 +33,8 @@ Helper predicates (already defined): swapping the Ith element with its left neighbor in List + +

This exercise has already been solved for you. Check how it works in the console.

''' hint = {} diff --git a/prolog/problems/denotational_semantics/prog_listswap_3/sl.py b/prolog/problems/denotational_semantics/prog_listswap_3/sl.py new file mode 100644 index 0000000..4d009a7 --- /dev/null +++ b/prolog/problems/denotational_semantics/prog_listswap_3/sl.py @@ -0,0 +1,37 @@ +name = 'prog_listswap/3' +slug = 'jezik za rokovanje s seznami s pomenom' + +description = '''\ +

+Napiši DCG za rokovanje s seznami. Prvi simbol vsake besede je [begin], temu pa sledi +poljubno zaporedje "ukazov" iz nabora {left, right, swap}, +na koncu pa je simbol [end]. Začetni nekončni simbol naj se imenuje prog_listswap. +

+ +

+Pomen besede (programa) v tem jeziku ima obliko In-->Out in pomeni preslikavo +med vhodnim seznamom In in izhodnim seznamom Out. Notranje stanje +gramatike, hranjeno v argumentih nekončnih simbolov, poleg trenutnega stanja seznama vodi tudi +pozicijo kurzorja s katerim rokujemo s seznamom. Ukaza left in right +kurzor premakneta za eno mesto v ustrezno smer, ukaz swap pa zamenja mesti elementov +med katerima stoji kurzor. Če je kurzor na začetku seznama, ukaz swap ne uspe. +

+ +
+?- prog_listswap([1,2,3,4]-->Out, [begin,right,swap,end], []).
+  Out = [2,1,3,4].
+
+ +

+Pomožni predikat (že definiran): +

+ + +

Ta naloga je že rešena. Preveri kako deluje v konzoli.

+''' + +hint = {} -- cgit v1.2.1