def test_encode_tree(self):
funcdef = ExpandTreeRule(
NodeType("def", NodeConstraint.Node, False),
[("name", NodeType("value", NodeConstraint.Token, True)),
("body", NodeType("expr", NodeConstraint.Node, True))])
expr = ExpandTreeRule(
NodeType("expr", NodeConstraint.Node, False),
[("op", NodeType("value", NodeConstraint.Token, True)),
("arg0", NodeType("value", NodeConstraint.Token, True)),
("arg1", NodeType("value", NodeConstraint.Token, True))])
encoder = ActionSequenceEncoder(
Samples([funcdef, expr], [
NodeType("def", NodeConstraint.Node, False),
NodeType("value", NodeConstraint.Token, True),
NodeType("expr", NodeConstraint.Node, False)
], [("", "f"), ("", "2")]), 0)
action_sequence = ActionSequence()
action_sequence.eval(ApplyRule(funcdef))
action_sequence.eval(GenerateToken("", "f"))
action_sequence.eval(GenerateToken("", "1"))
d, m = encoder.encode_tree(action_sequence)
assert np.array_equal([0, 1, 1], d.numpy())
assert np.array_equal([[0, 1, 1], [0, 0, 0], [0, 0, 0]], m.numpy())
def test_decode(self):
funcdef = ExpandTreeRule(
NodeType("def", NodeConstraint.Node, False),
[("name", NodeType("value", NodeConstraint.Token, True)),
("body", NodeType("expr", NodeConstraint.Node, True))])
expr = ExpandTreeRule(
NodeType("expr", NodeConstraint.Node, False),
[("op", NodeType("value", NodeConstraint.Token, True)),
("arg0", NodeType("value", NodeConstraint.Token, True)),
("arg1", NodeType("value", NodeConstraint.Token, True))])
encoder = ActionSequenceEncoder(
Samples([funcdef, expr], [
NodeType("def", NodeConstraint.Node, False),
NodeType("value", NodeConstraint.Token, True),
NodeType("expr", NodeConstraint.Node, False)
], [("", "f")]), 0)
action_sequence = ActionSequence()
action_sequence.eval(ApplyRule(funcdef))
action_sequence.eval(GenerateToken("", "f"))
action_sequence.eval(GenerateToken("", "1"))
action_sequence.eval(ApplyRule(CloseVariadicFieldRule()))
expected_action_sequence = ActionSequence()
expected_action_sequence.eval(ApplyRule(funcdef))
expected_action_sequence.eval(GenerateToken("", "f"))
expected_action_sequence.eval(GenerateToken("", "1"))
expected_action_sequence.eval(ApplyRule(CloseVariadicFieldRule()))
result = encoder.decode(
encoder.encode_action(action_sequence,
[Token(None, "1", "1")])[:-1, 1:],
[Token(None, "1", "1")])
assert \
expected_action_sequence.action_sequence == result.action_sequence
def test_encode_invalid_sequence(self):
funcdef = ExpandTreeRule(
NodeType("def", NodeConstraint.Node, False),
[("name", NodeType("value", NodeConstraint.Token, True)),
("body", NodeType("expr", NodeConstraint.Node, True))])
expr = ExpandTreeRule(
NodeType("expr", NodeConstraint.Node, False),
[("op", NodeType("value", NodeConstraint.Token, False)),
("arg0", NodeType("value", NodeConstraint.Token, True)),
("arg1", NodeType("value", NodeConstraint.Token, True))])
encoder = ActionSequenceEncoder(
Samples([funcdef, expr], [
NodeType("def", NodeConstraint.Node, False),
NodeType("value", NodeConstraint.Token, True),
NodeType("expr", NodeConstraint.Node, True)
], [("", "f")]), 0)
action_sequence = ActionSequence()
action_sequence.eval(ApplyRule(funcdef))
action_sequence.eval(GenerateToken("", "f"))
action_sequence.eval(GenerateToken("", "1"))
action_sequence.eval(ApplyRule(CloseVariadicFieldRule()))
assert encoder.encode_action(action_sequence,
[Token("", "2", "2")]) is None
def test_encode_parent(self):
funcdef = ExpandTreeRule(
NodeType("def", NodeConstraint.Node, False),
[("name", NodeType("value", NodeConstraint.Token, True)),
("body", NodeType("expr", NodeConstraint.Node, True))])
expr = ExpandTreeRule(
NodeType("expr", NodeConstraint.Node, False),
[("op", NodeType("value", NodeConstraint.Token, True)),
("arg0", NodeType("value", NodeConstraint.Token, True)),
("arg1", NodeType("value", NodeConstraint.Token, True))])
encoder = ActionSequenceEncoder(
Samples([funcdef, expr], [
NodeType("def", NodeConstraint.Node, False),
NodeType("value", NodeConstraint.Token, True),
NodeType("expr", NodeConstraint.Node, False)
], [("", "f"), ("", "2")]), 0)
action_sequence = ActionSequence()
action_sequence.eval(ApplyRule(funcdef))
action_sequence.eval(GenerateToken("", "f"))
action_sequence.eval(GenerateToken("", "1"))
action_sequence.eval(GenerateToken("", "2"))
action_sequence.eval(ApplyRule(CloseVariadicFieldRule()))
parent = encoder.encode_parent(action_sequence)
assert np.array_equal([[-1, -1, -1, -1], [1, 2, 0, 0], [1, 2, 0, 0],
[1, 2, 0, 0], [1, 2, 0, 0], [1, 2, 0, 1]],
parent.numpy())
def test_encode_empty_sequence(self):
funcdef = ExpandTreeRule(
NodeType("def", NodeConstraint.Node, False),
[("name", NodeType("value", NodeConstraint.Token, False)),
("body", NodeType("expr", NodeConstraint.Node, True))])
expr = ExpandTreeRule(
NodeType("expr", NodeConstraint.Node, False),
[("op", NodeType("value", NodeConstraint.Token, False)),
("arg0", NodeType("value", NodeConstraint.Token, False)),
("arg1", NodeType("value", NodeConstraint.Token, False))])
encoder = ActionSequenceEncoder(
Samples([funcdef, expr], [
NodeType("def", NodeConstraint.Node, False),
NodeType("value", NodeConstraint.Token, False),
NodeType("expr", NodeConstraint.Node, False)
], [("", "f")]), 0)
action_sequence = ActionSequence()
action = encoder.encode_action(action_sequence, [Token("", "1", "1")])
parent = encoder.encode_parent(action_sequence)
d, m = encoder.encode_tree(action_sequence)
assert np.array_equal([[-1, -1, -1, -1]], action.numpy())
assert np.array_equal([[-1, -1, -1, -1]], parent.numpy())
assert np.array_equal(np.zeros((0, )), d.numpy())
assert np.array_equal(np.zeros((0, 0)), m.numpy())
def test_str(self):
t0 = NodeType("t0", NodeConstraint.Node, False)
t1 = NodeType("t1", NodeConstraint.Node, False)
t2 = NodeType("t2", NodeConstraint.Node, True)
assert "t0 -> [elem0: t1, elem1: t2*]" == \
str(ExpandTreeRule(t0, [("elem0", t1),
("elem1", t2)]))
assert "<close variadic field>" == \
str(CloseVariadicFieldRule())
def test_invalid_close_variadic_field_rule(self):
rule = ExpandTreeRule(
NodeType("expr", NodeConstraint.Node, False),
[("elems", NodeType("value", NodeConstraint.Node, False))])
action_sequence = ActionSequence()
action_sequence.eval(ApplyRule(rule))
with pytest.raises(InvalidActionException):
action_sequence.eval(ApplyRule(CloseVariadicFieldRule()))
def test_str(self):
t0 = NodeType("t0", NodeConstraint.Node, False)
t1 = NodeType("t1", NodeConstraint.Node, False)
t2 = NodeType("t2", NodeConstraint.Node, True)
assert "Apply (t0 -> [elem0: t1, elem1: t2*])" == \
str(ApplyRule(
ExpandTreeRule(t0,
[("elem0", t1),
("elem1", t2)])))
assert "Generate bar:kind" == str(GenerateToken("kind", "bar"))
def test_generate_ignore_root_type(self):
action_sequence = ActionSequence()
action_sequence.eval(
ApplyRule(
ExpandTreeRule(
NodeType(Root(), NodeConstraint.Node, False),
[("root", NodeType(Root(), NodeConstraint.Node, False))])))
action_sequence.eval(
ApplyRule(
ExpandTreeRule(NodeType("op", NodeConstraint.Node, False),
[])))
assert Node("op", []) == action_sequence.generate()
def test_create_node(self):
a = Node("def", [Field("name", "literal", Leaf("str", "foo"))])
seq = ActionSequence.create(a)
assert [
ApplyRule(
ExpandTreeRule(
NodeType(None, NodeConstraint.Node, False),
[("root", NodeType(Root(), NodeConstraint.Node, False))])),
ApplyRule(
ExpandTreeRule(NodeType("def", NodeConstraint.Node, False), [
("name", NodeType("literal", NodeConstraint.Token, False))
])),
GenerateToken("str", "foo")
] == seq.action_sequence
def test_encode_completed_sequence(self):
none = ExpandTreeRule(NodeType("value", NodeConstraint.Node, False),
[])
encoder = ActionSequenceEncoder(
Samples([none], [NodeType("value", NodeConstraint.Node, False)],
[("", "f")]), 0)
action_sequence = ActionSequence()
action_sequence.eval(ApplyRule(none))
action = encoder.encode_action(action_sequence, [Token("", "1", "1")])
parent = encoder.encode_parent(action_sequence)
assert np.array_equal([[-1, 2, -1, -1], [-1, -1, -1, -1]],
action.numpy())
assert np.array_equal([[-1, -1, -1, -1], [-1, -1, -1, -1]],
parent.numpy())
def test_encode_path(self):
funcdef = ExpandTreeRule(
NodeType("def", NodeConstraint.Node, False),
[("name", NodeType("value", NodeConstraint.Token, True)),
("body", NodeType("expr", NodeConstraint.Node, True))])
expr = ExpandTreeRule(
NodeType("expr", NodeConstraint.Node, False),
[("constant", NodeType("value", NodeConstraint.Token, True))])
encoder = ActionSequenceEncoder(
Samples([funcdef, expr], [
NodeType("def", NodeConstraint.Node, False),
NodeType("value", NodeConstraint.Token, True),
NodeType("expr", NodeConstraint.Node, True)
], [("", "f"), ("", "2")]), 0)
action_sequence = ActionSequence()
action_sequence.eval(ApplyRule(funcdef))
action_sequence.eval(GenerateToken("", "f"))
action_sequence.eval(GenerateToken("", "1"))
action_sequence.eval(GenerateToken("", "2"))
action_sequence.eval(ApplyRule(CloseVariadicFieldRule()))
action_sequence.eval(ApplyRule(expr))
action_sequence.eval(GenerateToken("", "f"))
action_sequence.eval(ApplyRule(CloseVariadicFieldRule()))
action_sequence.eval(ApplyRule(CloseVariadicFieldRule()))
path = encoder.encode_path(action_sequence, 2)
assert np.array_equal(
np.array(
[
[-1, -1], # funcdef
[2, -1], # f
[2, -1], # 1
[2, -1], # 2
[2, -1], # CloseVariadicField
[2, -1], # expr
[3, 2], # f
[3, 2], # CloseVariadicField
[2, -1], # CloseVariadicField
],
dtype=np.long),
path.numpy())
path = encoder.encode_path(action_sequence, 1)
assert np.array_equal(
np.array(
[
[-1], # funcdef
[2], # f
[2], # 1
[2], # 2
[2], # CloseVariadicField
[2], # expr
[3], # f
[3], # CloseVariadicField
[2], # CloseVariadicField
],
dtype=np.long),
path.numpy())
def test_decode_invalid_tensor(self):
funcdef = ExpandTreeRule(
NodeType("def", NodeConstraint.Node, False),
[("name", NodeType("value", NodeConstraint.Token, False)),
("body", NodeType("expr", NodeConstraint.Node, True))])
expr = ExpandTreeRule(
NodeType("expr", NodeConstraint.Node, False),
[("op", NodeType("value", NodeConstraint.Token, False)),
("arg0", NodeType("value", NodeConstraint.Token, False)),
("arg1", NodeType("value", NodeConstraint.Token, False))])
encoder = ActionSequenceEncoder(
Samples([funcdef, expr], [
NodeType("def", NodeConstraint.Node, False),
NodeType("value", NodeConstraint.Token, False),
NodeType("expr", NodeConstraint.Node, False)
], [("", "f")]), 0)
assert encoder.decode(torch.LongTensor([[-1, -1, -1]]), []) is None
assert encoder.decode(torch.LongTensor([[-1, -1, 1]]), []) is None
def initialize(self, input: Input) -> Environment:
self.module.encoder.eval()
state_list = self.transform_input(input)
state_tensor = self.collate.collate([state_list])
state_tensor = self._to(state_tensor)
with torch.no_grad(), logger.block("encode_state"):
state_tensor = self.module.encoder(state_tensor)
state = self.collate.split(state_tensor)[0]
# Add initial rule
action_sequence = ActionSequence()
action_sequence.eval(
ApplyRule(
ExpandTreeRule(
NodeType(None, NodeConstraint.Node, False),
[("root", NodeType(Root(), NodeConstraint.Node, False))])))
state["action_sequence"] = action_sequence
return state
def test_eval_root(self):
action_sequence = ActionSequence()
assert action_sequence.head is None
with pytest.raises(InvalidActionException):
action_sequence = ActionSequence()
action_sequence.eval(GenerateToken("kind", ""))
with pytest.raises(InvalidActionException):
action_sequence = ActionSequence()
action_sequence.eval(ApplyRule(CloseVariadicFieldRule()))
action_sequence = ActionSequence()
rule = ExpandTreeRule(
NodeType("def", NodeConstraint.Node, False),
[("name", NodeType("value", NodeConstraint.Node, False)),
("value", NodeType("args", NodeConstraint.Node, True))])
action_sequence.eval(ApplyRule(rule))
assert 0 == action_sequence.head.action
assert 0 == action_sequence.head.field
assert [ApplyRule(rule)] == action_sequence.action_sequence
assert action_sequence.parent(0) is None
assert [[], []] == action_sequence._tree.children[0]
def test_create_leaf(self):
seq = ActionSequence.create(Leaf("str", "t0 t1"))
assert [
ApplyRule(
ExpandTreeRule(NodeType(None, NodeConstraint.Node, False), [
("root", NodeType(Root(), NodeConstraint.Token, False))
])),
GenerateToken("str", "t0 t1")
] == seq.action_sequence
seq = ActionSequence.create(
Node(
"value",
[Field("name", "str", [Leaf("str", "t0"),
Leaf("str", "t1")])]))
assert [
ApplyRule(
ExpandTreeRule(
NodeType(None, NodeConstraint.Node, False),
[("root", NodeType(Root(), NodeConstraint.Node, False))])),
ApplyRule(
ExpandTreeRule(
NodeType("value", NodeConstraint.Node, False),
[("name", NodeType("str", NodeConstraint.Token, True))])),
GenerateToken("str", "t0"),
GenerateToken("str", "t1"),
ApplyRule(CloseVariadicFieldRule())
] == seq.action_sequence
def test_generate_variadic_token(self):
action_sequence = ActionSequence()
rule = ExpandTreeRule(
NodeType("def", NodeConstraint.Node, False),
[("name", NodeType("value", NodeConstraint.Token, True)),
("value", NodeType("args", NodeConstraint.Node, True))])
action_sequence.eval(ApplyRule(rule))
action_sequence.eval(GenerateToken("", "foo"))
assert 0 == action_sequence.head.action
assert 0 == action_sequence.head.field
assert [1] == action_sequence._tree.children[0][0]
assert [ApplyRule(rule),
GenerateToken("", "foo")] == action_sequence.action_sequence
assert Parent(0, 0) == action_sequence.parent(1)
assert [] == action_sequence._tree.children[1]
action_sequence.eval(GenerateToken("", "bar"))
assert 0 == action_sequence.head.action
assert 0 == action_sequence.head.field
assert [1, 2] == action_sequence._tree.children[0][0]
assert [
ApplyRule(rule),
GenerateToken("", "foo"),
GenerateToken("", "bar")
] == action_sequence.action_sequence
action_sequence.eval(ApplyRule(CloseVariadicFieldRule()))
assert 0 == action_sequence.head.action
assert 1 == action_sequence.head.field
assert [1, 2, 3] == action_sequence._tree.children[0][0]
assert [
ApplyRule(rule),
GenerateToken("", "foo"),
GenerateToken("", "bar"),
ApplyRule(CloseVariadicFieldRule())
] == action_sequence.action_sequence
with pytest.raises(InvalidActionException):
action_sequence.eval(GenerateToken("", "foo"))
def test_clone(self):
action_sequence = ActionSequence()
rule = ExpandTreeRule(
NodeType("expr", NodeConstraint.Node, False),
[("elems", NodeType("expr", NodeConstraint.Node, True))])
action_sequence.eval(ApplyRule(rule))
action_sequence2 = action_sequence.clone()
assert action_sequence.generate() == action_sequence2.generate()
action_sequence2.eval(ApplyRule(rule))
assert \
action_sequence._tree.children != action_sequence2._tree.children
assert \
action_sequence._tree.parent != action_sequence2._tree.parent
assert \
action_sequence.action_sequence != action_sequence2.action_sequence
assert action_sequence._head_action_index != \
action_sequence2._head_action_index
assert action_sequence._head_children_index != \
action_sequence2._head_children_index
assert action_sequence.generate() != action_sequence2.generate()
def test_variadic_field(self):
action_sequence = ActionSequence()
rule = ExpandTreeRule(
NodeType("expr", NodeConstraint.Node, False),
[("elems", NodeType("value", NodeConstraint.Node, True))])
rule0 = ExpandTreeRule(NodeType("value", NodeConstraint.Node, False),
[])
action_sequence.eval(ApplyRule(rule))
action_sequence.eval(ApplyRule(rule0))
assert 0 == action_sequence.head.action
assert 0 == action_sequence.head.field
assert [1] == action_sequence._tree.children[0][0]
assert [ApplyRule(rule),
ApplyRule(rule0)] == action_sequence.action_sequence
assert Parent(0, 0) == action_sequence.parent(1)
assert [] == action_sequence._tree.children[1]
action_sequence.eval(ApplyRule(rule0))
assert 0 == action_sequence.head.action
assert 0 == action_sequence.head.field
assert [1, 2] == action_sequence._tree.children[0][0]
assert [ApplyRule(rule),
ApplyRule(rule0),
ApplyRule(rule0)] == action_sequence.action_sequence
action_sequence.eval(ApplyRule(CloseVariadicFieldRule()))
assert action_sequence.head is None
action_sequence = ActionSequence()
rule1 = ExpandTreeRule(
NodeType("expr", NodeConstraint.Node, False),
[("elems", NodeType("value", NodeConstraint.Node, True)),
("name", NodeType("value", NodeConstraint.Node, False))])
rule0 = ExpandTreeRule(NodeType("value", NodeConstraint.Node, False),
[])
action_sequence.eval(ApplyRule(rule1))
action_sequence.eval(ApplyRule(rule0))
action_sequence.eval(ApplyRule(CloseVariadicFieldRule))
assert 0 == action_sequence.head.action
assert 1 == action_sequence.head.field
def test_generate(self):
funcdef = ExpandTreeRule(
NodeType("def", NodeConstraint.Node, False),
[("name", NodeType("value", NodeConstraint.Token, True)),
("body", NodeType("expr", NodeConstraint.Node, True))])
expr = ExpandTreeRule(
NodeType("expr", NodeConstraint.Node, False),
[("op", NodeType("value", NodeConstraint.Token, False)),
("arg0", NodeType("value", NodeConstraint.Token, False)),
("arg1", NodeType("value", NodeConstraint.Token, False))])
action_sequence = ActionSequence()
action_sequence.eval(ApplyRule(funcdef))
action_sequence.eval(GenerateToken("name", "f"))
action_sequence.eval(GenerateToken("name", "_"))
action_sequence.eval(GenerateToken("name", "0"))
action_sequence.eval(ApplyRule(CloseVariadicFieldRule()))
action_sequence.eval(ApplyRule(expr))
action_sequence.eval(GenerateToken("value", "+"))
action_sequence.eval(GenerateToken("value", "1"))
action_sequence.eval(GenerateToken("value", "2"))
action_sequence.eval(ApplyRule(CloseVariadicFieldRule()))
assert action_sequence.head is None
assert Node("def", [
Field("name", "value",
[Leaf("name", "f"),
Leaf("name", "_"),
Leaf("name", "0")]),
Field("body", "expr", [
Node("expr", [
Field("op", "value", Leaf("value", "+")),
Field("arg0", "value", Leaf("value", "1")),
Field("arg1", "value", Leaf("value", "2"))
])
])
]) == action_sequence.generate()
def test_create_node_with_variadic_fields(self):
a = Node(
"list",
[Field("elems", "literal",
[Node("str", []), Node("str", [])])])
seq = ActionSequence.create(a)
assert [
ApplyRule(
ExpandTreeRule(
NodeType(None, NodeConstraint.Node, False),
[("root", NodeType(Root(), NodeConstraint.Node, False))])),
ApplyRule(
ExpandTreeRule(NodeType("list", NodeConstraint.Node, False), [
("elems", NodeType("literal", NodeConstraint.Node, True))
])),
ApplyRule(
ExpandTreeRule(NodeType("str", NodeConstraint.Node, False),
[])),
ApplyRule(
ExpandTreeRule(NodeType("str", NodeConstraint.Node, False),
[])),
ApplyRule(CloseVariadicFieldRule())
] == seq.action_sequence
def test_str(self):
assert "type" == str(NodeType("type", NodeConstraint.Node, False))
assert "type*" == str(NodeType("type", NodeConstraint.Node, True))
assert \
"type(token)" == str(NodeType("type", NodeConstraint.Token, False))
def test_eq(self):
assert ExpandTreeRule(NodeType("foo", NodeConstraint.Node, False), [
("f0", NodeType("bar", NodeConstraint.Node, False))]) == \
ExpandTreeRule(
NodeType("foo", NodeConstraint.Node, False),
[("f0", NodeType("bar", NodeConstraint.Node, False))])
assert GenerateToken("", "foo") == GenerateToken("", "foo")
assert ExpandTreeRule(NodeType("foo", NodeConstraint.Node, False), [
("f0", NodeType("bar", NodeConstraint.Node, False))]) != \
ExpandTreeRule(NodeType("foo", NodeConstraint.Node, False), [])
assert GenerateToken("", "foo") != GenerateToken("", "bar")
assert ExpandTreeRule(NodeType("foo", NodeConstraint.Node, False), [
("f0", NodeType("bar", NodeConstraint.Node, False))
]) != GenerateToken("", "foo")
assert 0 != ExpandTreeRule(
NodeType("foo", NodeConstraint.Node, False),
[("f0", NodeType("bar", NodeConstraint.Node, False))])
def test_eq(self):
assert NodeType("foo", NodeConstraint.Node, False) == \
NodeType("foo", NodeConstraint.Node, False)
assert NodeType("foo", NodeConstraint.Node, False) != \
NodeType("foo", NodeConstraint.Node, True)
assert 0 != NodeType("foo", NodeConstraint.Node, False)
from math import log
from typing import List
import numpy as np
import torch
import torch.nn as nn
from mlprogram.actions import ExpandTreeRule, NodeConstraint, NodeType
from mlprogram.builtins import Environment
from mlprogram.encoders import ActionSequenceEncoder, Samples
from mlprogram.languages import Root, Token
from mlprogram.samplers import ActionSequenceSampler, SamplerState
from mlprogram.utils.data import Collate, CollateOptions
R = NodeType(Root(), NodeConstraint.Node, False)
X = NodeType("X", NodeConstraint.Node, False)
Y = NodeType("Y", NodeConstraint.Node, False)
Y_list = NodeType("Y", NodeConstraint.Node, True)
Ysub = NodeType("Ysub", NodeConstraint.Node, False)
Str = NodeType("Str", NodeConstraint.Token, True)
Root2X = ExpandTreeRule(R, [("x", X)])
Root2Y = ExpandTreeRule(R, [("y", Y)])
X2Y_list = ExpandTreeRule(X, [("y", Y_list)])
Ysub2Str = ExpandTreeRule(Ysub, [("str", Str)])
def is_subtype(arg0, arg1):
if arg0 == arg1:
return True
if arg0 == "Ysub" and arg1 == "Y":
