def string_on_predicate1(compiler, cont, test):
'''return current char and step if @test succeed, where
@test: a python function with one argument, which tests on one char and return True or False
@test must be registered with register_function'''
test = test.interlang()
text = compiler.new_var(il.ConstLocalVar('text'))
pos = compiler.new_var(il.ConstLocalVar('pos'))
length = compiler.new_var(il.ConstLocalVar('length'))
p = compiler.new_var(il.LocalVar('p'))
if not isinstance(test, il.PyFunction):
raise DaoCompileTypeError(test)
return il.Begin((
il.AssignFromList(text, pos, il.parse_state),
il.Assign(length, il.Len(text)),
il.If(il.Ge(pos, length),
il.failcont(il.FALSE),
il.If(il.Call(test, il.GetItem(text, pos)),
il.begin(
il.Assign(p, il.add(pos, il.Integer(1))),
il.While(il.And(il.Lt(p, length), il.Call(test, il.GetItem(text, p))),
il.AddAssign(p, il.Integer(1))),
il.SetParseState(il.Tuple(text, p)),
il.append_failcont(compiler,
il.SetParseState(il.Tuple(text, pos))),
cont(il.GetItem(text, il.Slice2(pos, p)))),
il.failcont(il.FALSE)))))
def subsequence(compiler, cont, start, end):
text = compiler.new_var(il.ConstLocalVar('text'))
pos = compiler.new_var(il.ConstLocalVar('pos'))
start = il.Integer(start.item)
end = il.Integer(end.item)
return il.Begin((
il.AssignFromList(text, pos, il.parse_state),
cont(il.GetItem(text, il.Slice2(start, end)))))
def integer(compiler, cont, arg):
'''integer'''
text = compiler.new_var(il.ConstLocalVar('text'))
pos = compiler.new_var(il.ConstLocalVar('pos'))
p = compiler.new_var(il.LocalVar('p'))
length = compiler.new_var(il.ConstLocalVar('length'))
if isinstance(arg, Var):
arg = arg.interlang()
x = compiler.new_var(il.ConstLocalVar('x'))
return il.Begin((
il.AssignFromList(text, pos, il.parse_state),
il.Assign(length, il.Len(text)),
il.If(il.Ge(pos, length),
il.failcont(il.FALSE),
il.If(il.Not(il.Cle(il.String('0'), il.GetItem(text, pos), il.String('9'))),
il.failcont(il.FALSE),
il.Begin((
il.Assign(p, il.add(pos, il.Integer(1))),
il.while_(il.And(il.Lt(p, length),
il.Cle(il.String('0'),il.GetItem(text, p),il.String('9'))),
il.AddAssign(p, il.Integer(1))),
il.Assign(x, il.Deref(arg)),
il.If(il.IsLogicVar(x),
il.begin(il.SetParseState(il.Tuple(text, p)),
il.SetBinding(x, il.GetItem(text, il.Slice2(pos, p))),
il.append_failcont(compiler,
il.SetParseState(il.Tuple(text, pos)),
il.DelBinding(x)),
cont(il.GetItem(text, pos))),
il.If(il.Isinstance(x, il.String('str')),
il.If(il.Eq(x, il.GetItem(text, il.Slice2(pos, p))),
il.begin(il.append_failcont(compiler,
il.SetParseState(il.Tuple(text, pos))),
il.SetParseState(il.Tuple(text, p)),
cont(il.GetItem(text, pos))),
il.failcont(il.NONE)),
il.RaiseTypeError(x)))))))))
elif isinstance(arg, il.String):
return il.Begin((
il.AssignFromList(text, pos, il.parse_state),
il.Assign(length, il.Len(text)),
il.If(il.Ge(pos, length),
il.failcont(il.FALSE),
il.If(il.Not(il.Cle(il.String('0'), il.GetItem(text, pos), il.String('9'))),
il.failcont(il.FALSE),
il.Begin((
il.Assign(p, il.add(pos, il.Integer(1))),
il.while_(il.And(il.Lt(p, length),
il.Cle(il.String('0'),il.GetItem(text, p),il.String('9'))),
il.AddAssign(p, il.Integer(1))),
il.If(il.Eq(arg, il.GetItem(text, il.Slice2(pos, p))),
il.begin(il.append_failcont(compiler,
il.SetParseState(il.Tuple(text, pos))),
il.SetParseState(il.Tuple(text, p)),
cont(arg)),
il.failcont(il.NONE))))))))
else:
raise CompileTypeError
def test_assign2(self):
x = il.Var('x')
exp = il.begin(il.Assign(x, il.Integer(1)),
il.Assign(x, il.Integer(2)))
result = optimize(exp)
expect = exp
eq_(result, expect)
eq_(result.statements[0]._removed, True)
eq_(result.statements[0].removed(), True)
def test_function2(self):
x = il.Var('x')
f = il.Var('f')
result = optimize(
il.Begin((il.Assign(f, il.Lamda(
(x, ), f(il.Integer(1)))), il.Apply(f, (il.Integer(3), )))))
expect = il.Begin((il.Assign(f, il.Lamda(
(x, ), f(il.Integer(1)))), il.Apply(f, (il.Integer(3), ))))
eq_(result, expect)
def test_function(self):
x = il.Var('x')
f = il.Var('f')
result = optimize(
il.Apply(
il.Function(
f, (x, ),
il.If(il.Eq(x, il.Integer(1)), il.Integer(1),
f(il.sub(x, il.Integer(1))))), (il.Integer(3), )))
expect = f(il.Integer(2))
eq_(result, expect)
def test_if_assign1(self):
x = il.Var('x')
y = il.Var('y')
exp = il.begin(il.Assign(x, il.Integer(1)),
il.if_(y, il.Assign(x, il.Integer(2)), x))
result = optimize(exp)
expect = il.begin(il.Assign(x, il.Integer(1)),
il.if_(y, il.Assign(x, il.Integer(2)), 1))
eq_(result, expect)
eq_(result.statements[0]._removed, il.unknown)
eq_(result.statements[0].removed(), True)
def test_unify2(self):
x = LogicVar('x')
result = compile_optimize(unify(x, 2))
x1 = il.LogicVar('x')
x2 = il.ConstLocalVar('x')
expect = il.begin(
il.Assign(x2, il.Deref(LogicVar(x1))),
il.If(
il.IsLogicVar(x2),
il.begin(il.SetBinding(x2, il.Integer(2)), il.TRUE),
il.If(il.Eq(x2, il.Integer(2)), il.TRUE,
il.failcont(il.TRUE))))
eq_(result, expect)
def test_if_assign5(self):
x = il.Var('x')
y = il.Var('y')
exp = il.begin(
il.Assign(x, il.Integer(1)),
il.if_(y, il.Assign(x, il.Integer(2)), il.Assign(x,
il.Integer(3))),
il.Prin(x))
result = optimize(exp)
expect = exp
eq_(result, expect)
eq_(result.statements[0].removed(), True)
eq_(result.statements[1].then.removed(), False)
def set_sequence(compiler, cont, sequence):
old_parse_state = compiler.new_var(il.ConstLocalVar('old_parse_state'))
sequence = sequence.interlang()
return il.begin(il.Assign(old_parse_state, il.parse_state),
il.SetParseState(il.Tuple(sequence, il.Integer(0))),
il.append_failcont(compiler, il.SetParseState(old_parse_state)),
cont(TRUE))
def any2(compiler, cont, item, template, result):
template = template.interlang()
result = result.interlang()
any_cont = compiler.new_var(il.ConstLocalVar('any_cont'))
fc = compiler.new_var(il.ConstLocalVar('old_fail_cont'))
v = compiler.new_var(il.ConstLocalVar('v'))
v2 = compiler.new_var(il.ConstLocalVar('v'))
v3 = compiler.new_var(il.ConstLocalVar('v'))
return il.Begin(
(il.Assign(result, il.empty_list),
il.cfunction(
any_cont, v, il.Assign(fc, il.failcont),
il.SetFailCont(
il.clamda(
v,
il.SetFailCont(
il.clamda(
v3,
il.if2(result,
il.DelListItem(result, il.Integer(-1))),
fc(v3))), cont(v))),
item.cps(
compiler,
il.clamda(v2, il.ListAppend(result, il.GetValue(template)),
any_cont(v2))))(il.NONE)))
def between(compiler, cont, lower, upper, mid):
lower1 = compiler.new_var(il.ConstLocalVar('lower'))
upper1 = compiler.new_var(il.ConstLocalVar('upper'))
mid1 = compiler.new_var(il.ConstLocalVar('mid'))
fc = compiler.new_var(il.ConstLocalVar('fc'))
i = compiler.new_var(il.Var('i'))
v = compiler.new_var(il.ConstLocalVar('v'))
return lower.cps(compiler, il.clamda(lower1,
upper.cps(compiler, il.clamda(upper1,
mid.cps(compiler, il.clamda(mid1,
il.If(il.IsLogicVar(mid1),
il.begin(
il.Assign(i, lower1),
il.Assign(fc, il.failcont),
il.SetFailCont(il.clamda(v,
il.If(il.Eq(i, upper1),
il.Begin((
il.Assign(il.failcont, fc),
fc(il.FALSE))),
il.Begin((
il.AddAssign(i, il.Integer(1)),
il.SetBinding(mid1, i),
cont(il.TRUE)))))),
il.SetBinding(mid1, lower1),
cont(il.TRUE)),
il.If(il.Cle(lower1, mid1, upper1),
cont(il.TRUE),
il.failcont(il.FALSE)))))
))))
def literal(compiler, cont, arg):
'''any given instance string'''
text = compiler.new_var(il.ConstLocalVar('text'))
pos = compiler.new_var(il.ConstLocalVar('pos'))
p = compiler.new_var(il.LocalVar('p'))
i = compiler.new_var(il.LocalVar('i'))
x = compiler.new_var(il.ConstLocalVar('x'))
length = compiler.new_var(il.ConstLocalVar('length'))
length2 = compiler.new_var(il.ConstLocalVar('length2'))
if isinstance(arg, Var):
return il.Begin((
il.Assign(x, il.Deref(arg)),
il.AssignFromList(text, pos, il.parse_state),
il.Assign(length, il.Len(text)),
il.Assign(length, il.Len(x)),
il.Assign(i, il.Integer(0)),
il.Assign(p, pos),
il.while_(il.and_(il.Lt(i, length2), il.Lt(p, length), il.Eq(il.GetItem(text, p), il.GetItem(x, i))),
il.AddAssign(p, il.Integer(1))),
il.If(il.Lt(i, length2),
il.failcont(il.NONE),
il.begin(il.append_failcont(compiler,
il.SetParseState(il.Tuple(text, pos))),
il.SetParseState(il.Tuple(text, p)),
cont(arg)))))
elif isinstance(arg, String):
arg = arg.interlang()
return il.Begin((
il.AssignFromList(text, pos, il.parse_state),
il.Assign(length, il.Len(text)),
il.Assign(length2, il.Len(arg)),
il.Assign(i, il.Integer(0)),
il.Assign(p, pos),
il.while_(il.and_(il.Lt(i, length2), il.Lt(p, length), il.Eq(il.GetItem(text, p), il.GetItem(arg, i))),
il.AddAssign(p, il.Integer(1)),
il.AddAssign(i, il.Integer(1)),
),
il.If(il.Lt(i, length2),
il.failcont(il.NONE),
il.begin(il.append_failcont(compiler,
il.SetParseState(il.Tuple(text, pos))),
il.SetParseState(il.Tuple(text, p)),
cont(arg)))))
else:
raise CompileTypeError
def char(compiler, cont, argument):
text = compiler.new_var(il.ConstLocalVar('text'))
pos = compiler.new_var(il.ConstLocalVar('pos'))
if isinstance(argument, String):
argument = argument.interlang()
return il.Begin((
il.AssignFromList(text, pos, il.parse_state),
il.If(il.Ge(pos, il.Len(text)),
il.failcont(il.NONE),
il.If(il.Eq(argument, il.GetItem(text, pos)),
il.begin(il.append_failcont(compiler,
il.SetParseState(il.Tuple(text, pos))),
il.SetParseState(il.Tuple(text, il.add(pos, il.Integer(1)))),
cont(il.GetItem(text, pos))),
il.failcont(il.NONE)))))
elif isinstance(argument, Var):
v = compiler.new_var(il.ConstLocalVar('v'))
argument = argument.interlang()
argument1 = compiler.new_var(il.ConstLocalVar('argument'))
return il.Begin((
il.AssignFromList(text, pos, il.parse_state),
il.If(il.Ge(pos,il.Len(text)),
il.failcont(il.FALSE),
il.Begin((
il.Assign(argument1, il.Deref(argument)),
#il.Prin(text), il.Prin(pos), il.PrintLn(argument1),
il.If(il.Isinstance(argument1, il.Symbol('str')),
il.If(il.Eq(argument1, il.GetItem(text, pos)),
il.begin(il.append_failcont(compiler,
il.SetParseState(il.Tuple(text, pos))),
il.SetParseState(il.Tuple(text, il.add(pos, il.Integer(1)))),
cont(il.GetItem(text, pos))),
il.failcont(il.NONE)),
il.If(il.IsLogicVar(argument1),
il.begin(il.SetParseState(il.Tuple(text, il.add(pos, il.Integer(1)))),
il.SetBinding(argument1, il.GetItem(text, pos)),
il.append_failcont(compiler,
il.SetParseState(il.Tuple(text, pos)),
il.DelBinding(argument1)),
cont(il.GetItem(text, pos))),
il.RaiseTypeError(argument1))))))))
# elif isinstance(argument, il.LogicVar) #how about this? It should be include above.
else: raise CompileTypeError(argument)
def skip(compiler, cont, n=il.Integer(1)):
# return element after skip
text = compiler.new_var(il.ConstLocalVar('text'))
pos = compiler.new_var(il.ConstLocalVar('pos'))
return il.Begin((
il.AssignFromList(text, pos, il.parse_state),
il.append_failcont(compiler, il.SetParseState(il.Tuple(text, pos))),
il.SetParseState(il.Tuple(text, il.add(pos, n))),
cont(il.GetItem(text, il.add(pos, n)))))
def unify_parse_sequence(compiler, cont, sequence):
x = compiler.new_var(il.ConstLocalVar('x'))
try:
sequence.cps_convert_unify
except:
sequence = sequence.interlang()
return il.If(il.Eq(sequence, il.GetItem(il.parse_state, il.Integer(0))),
cont(TRUE),
il.failcont(il.TRUE))
return il.Begin((
il.Assign(x, il.Deref(sequence.interlang())),
il.If(il.IsLogicVar(x),
il.begin(il.SetBinding(x, il.GetItem(il.parse_state, il.Integer(0))),
il.append_failcont(compiler, il.DelBinding(x)),
cont(il.TRUE)),
il.If(il.Eq(x, il.GetItem(il.parse_state, il.Integer(0))),
cont(TRUE),
il.failcont(il.TRUE)))))
def times1(compiler, cont, item, expect_times):
expect_times = expect_times.interlang()
i = compiler.new_var(il.Var('i'))
times_cont = compiler.new_var(il.ConstLocalVar('times_cont'))
v = compiler.new_var(il.ConstLocalVar('v'))
return il.begin(
il.Assert(
il.And(il.Isinstance(expect_times, il.Int),
il.Gt(expect_times, il.Integer(0)))),
il.Assign(i, il.Integer(0)),
il.cfunction(
times_cont, v,
item.cps(
compiler,
il.clamda(
v, il.AddAssign(i, il.Integer(1)),
il.If(il.Eq(i, expect_times), cont(v),
times_cont(il.TRUE)))))(il.TRUE))
def goto(compiler, cont, position):
text = compiler.new_var(il.ConstLocalVar('text'))
pos = compiler.new_var(il.ConstLocalVar('pos'))
position = il.Integer(position.item)
return il.Begin((
il.AssignFromList(text, pos, il.parse_state),
il.append_failcont(compiler, il.SetParseState(il.Tuple(text, pos))),
il.SetParseState(il.Tuple(text, position)),
cont(il.GetItem(text, position))))
def parse_sequence(compiler, cont, predicate, sequence):
old_parse_state = compiler.new_var(il.ConstLocalVar('old_parse_state'))
v = compiler.new_var(il.ConstLocalVar('v'))
sequence = sequence.interlang()
return il.begin(il.Assign(old_parse_state, il.parse_state),
il.SetParseState(il.Tuple(sequence, il.Integer(0))),
il.append_failcont(compiler, il.SetParseState(old_parse_state)),
predicate.cps(compiler,
il.clamda(v,
il.SetParseState(old_parse_state),
cont(v))))
def times2(compiler, cont, item, expect_times, template, result):
expect_times = expect_times.interlang()
template = template.interlang()
result = result.interlang()
i = compiler.new_var(il.Var('i'))
times_cont = compiler.new_var(il.ConstLocalVar('times_cont'))
v = compiler.new_var(il.ConstLocalVar('v'))
return il.begin(
il.Assert(
il.And(il.Isinstance(expect_times, il.Int),
il.Gt(expect_times, il.Integer(0)))),
il.Assign(result, il.empty_list), il.Assign(i, il.Integer(0)),
il.cfunction(
times_cont, v,
item.cps(
compiler,
il.clamda(
v, il.AddAssign(i, il.Integer(1)),
il.ListAppend(result, il.GetValue(template)),
il.If(il.Eq(i, expect_times), cont(v),
times_cont(il.TRUE)))))(il.TRUE))
def test_lamda(self):
x, x1, y, y1, k = Var('x'), Var('x1'), Var('y'), Var('y1'), Var('k')
eq_(alpha(lamda((x, y), 1)), lamda((x, y), il.Integer(1)))
def interlang(self): return il.Integer(self.item)
def Boi(compiler, cont):
'''end of parse_state'''
return il.If(il.Le(il.GetItem(il.parse_state, il.Integer(1)),0),
cont(TRUE),
il.failcont(FALSE))
def test_assign(self):
x = Var('x')
result = compile_optimize(assign(x, 2))
expect = il.Integer(2)
eq_(result, expect)
def test_assign1(self):
x = il.Var('x')
result = optimize(il.Assign(x, il.Integer(1)))
expect = il.Assign(x, il.Integer(1))
eq_(result, expect)
def position(compiler, cont): return cont(il.GetItem(il.parse_state, il.Integer(1)))
def test_if_4(self):
eq_(optimize(il.if_(1, 2, 3)), il.Integer(2))
eq_(optimize(il.if_(0, 2, 3)), il.Integer(3))
def test_add(self):
result = compile_optimize(add(1, 2))
expect = il.Integer(3)
eq_(result, expect)
def test_if(self):
result = compile_optimize(if_(0, 1, 2))
expect = il.Integer(2)
eq_(result, expect)
def test_quote(self):
result = compile_optimize(quote(1))
expect = il.ExpressionWithCode(il.Integer(1),
il.Lamda((), il.Integer(1)))
eq_(result, expect)
