def test_list_elem_assign_with_wrong_index_should_give_error(self):
types = [
Type.decimal(),
Type.string(),
Type.boolean(),
Type.vector(),
Type.drone(),
Type.list_of(Type.int()),
Type.list_of(Type.decimal()),
Type.list_of(Type.list_of(Type.int()))
]
for type in types:
with self.assertRaises(CompileError) as context:
generate_commands("""
main () {{
{} a;
list[int] b;
b[a] <- 1;
}}
""".format(type))
self.assertTrue(
"Expression {} should have type int, but is {}".format(
Expression(type, type.default_value, ident="a"),
type.type_name) in str(context.exception))
def test_list_insert_with_wrong_type_value_should_give_error(self):
types = [
Type.int(),
Type.decimal(),
Type.string(),
Type.boolean(),
Type.vector(),
Type.drone(),
Type.list_of(Type.int()),
Type.list_of(Type.decimal()),
Type.list_of(Type.list_of(Type.int()))
]
for t1 in types:
for t2 in types:
if t1 == t2:
continue
with self.assertRaises(CompileError) as context:
generate_commands("""
main () {{
{} a;
list[{}] b;
b.insert(a);
}}
""".format(t1, t2))
self.assertTrue(
"List {} has been declared as {}, but inserted with element type {}"
.format(Expression(Type.list_of(t2), [], ident="b"),
Type.list_of(t2), t1) in str(context.exception))
def test_to_expression_should_equal_self(self):
expressions = [
Expression(Type.int(), 1),
Expression(Type.decimal(), 1.1),
Expression(Type.boolean(), False),
Expression(Type.vector(), [1.1, 2.2, -1.1]),
Expression(Type.list_of(Type.int()), [1, 2, 3, 4]),
Expression(Type.list_of(Type.int()), []),
Expression(Type.list_of(Type.decimal()), [1.0, 2.0, 3.0, 4.0]),
Expression(Type.list_of(Type.list_of(Type.vector())),
[[[1.1, 2.2, -1.1], [1, 2, -1]]]),
Expression(Type.int(), 1, "a"),
Expression(Type.decimal(), 1.1, "a"),
Expression(Type.boolean(), False, "a"),
Expression(Type.vector(), [1.1, 2.2, -1.1], "a"),
Expression(Type.drone(), Drone("DRONE", DefaultDroneConfig()),
"a"),
Expression(Type.list_of(Type.int()), [1, 2, 3, 4], "a"),
Expression(Type.list_of(Type.int()), [], "a"),
Expression(Type.list_of(Type.decimal()), [1.0, 2.0, 3.0, 4.0],
"a"),
Expression(Type.list_of(Type.list_of(Type.vector())),
[[[1.1, 2.2, -1.1], [1, 2, -1]]], "a")
]
for expression in expressions:
self.assertEqual(expression, expression.to_expression())
def test_to_expression_should_return_correct_value(self):
expression = Expression(Type.vector(), [1.0, 2.0, 3.0], "a")
expected = Expression(Type.decimal(), 1.0)
self.assertEqual(expected,
VectorElem("a", expression, 0).to_expression())
expression = Expression(Type.vector(), [1.0, 2.0, 3.0], "b[1]")
expected = Expression(Type.decimal(), 3.0)
self.assertEqual(expected,
VectorElem("b[1]", expression, 2).to_expression())
def test_return_in_main_should_give_error(self):
types = [Type.int(), Type.decimal(), Type.string(), Type.boolean(), Type.vector(), Type.drone(),
Type.list_of(Type.int()), Type.list_of(Type.decimal()), Type.list_of(Type.list_of(Type.int()))]
for type in types:
with self.assertRaises(CompileError) as context:
generate_commands("""
main () {{
{} a;
return a;
}}
""".format(type))
self.assertTrue("Cannot return in the Main function" in str(context.exception))
def test_str(self):
self.assertEqual("Expression: { type: int, value: 1, ident: None }",
str(Expression(Type.int(), 1)))
self.assertEqual(
"Expression: { type: decimal, value: 1.1, ident: None }",
str(Expression(Type.decimal(), 1.1)))
self.assertEqual(
"Expression: { type: boolean, value: False, ident: None }",
str(Expression(Type.boolean(), False)))
self.assertEqual(
"Expression: { type: vector, value: [1.1, 2.2, -1.1], ident: None }",
str(Expression(Type.vector(), [1.1, 2.2, -1.1])))
self.assertEqual(
"Expression: { type: list[int], value: [1, 2, 3, 4], ident: None }",
str(Expression(Type.list_of(Type.int()), [1, 2, 3, 4])))
self.assertEqual(
"Expression: { type: list[int], value: [], ident: None }",
str(Expression(Type.list_of(Type.int()), [])))
self.assertEqual(
"Expression: { type: list[list[vector]], value: [[[1.1, 2.2, -1.1], [1, 2, -1]]], ident: None }",
str(
Expression(Type.list_of(Type.list_of(Type.vector())),
[[[1.1, 2.2, -1.1], [1, 2, -1]]])))
self.assertEqual("Expression: { type: int, value: 1, ident: a }",
str(Expression(Type.int(), 1, "a")))
self.assertEqual("Expression: { type: decimal, value: 1.1, ident: a }",
str(Expression(Type.decimal(), 1.1, "a")))
self.assertEqual(
"Expression: { type: boolean, value: False, ident: a }",
str(Expression(Type.boolean(), False, "a")))
self.assertEqual(
"Expression: { type: vector, value: [1.1, 2.2, -1.1], ident: a }",
str(Expression(Type.vector(), [1.1, 2.2, -1.1], "a")))
self.assertEqual(
"Expression: { type: drone, value: Drone: { name: DRONE, config: DroneConfig: "
"{ init_position: (0, 0, 0), speed_mps: 1, rotate_speed_dps: 90, takeoff_height_meters: 1 } "
"}, ident: a }",
str(
Expression(Type.drone(), Drone("DRONE", DefaultDroneConfig()),
"a")))
self.assertEqual(
"Expression: { type: list[int], value: [1, 2, 3, 4], ident: a }",
str(Expression(Type.list_of(Type.int()), [1, 2, 3, 4], "a")))
self.assertEqual(
"Expression: { type: list[int], value: [], ident: a }",
str(Expression(Type.list_of(Type.int()), [], "a")))
self.assertEqual(
"Expression: { type: list[list[vector]], value: [[[1.1, 2.2, -1.1], [1, 2, -1]]], ident: a }",
str(
Expression(Type.list_of(Type.list_of(Type.vector())),
[[[1.1, 2.2, -1.1], [1, 2, -1]]], "a")))
def test_define_functions_should_change_function_table(self):
types = [Type.int(), Type.decimal(), Type.string(), Type.boolean(), Type.vector(), Type.drone(),
Type.list_of(Type.int()), Type.list_of(Type.decimal()), Type.list_of(Type.list_of(Type.int()))]
for type in types:
actual = FunctionTable()
generate_commands("""
function func() return {} {{}}
procedure proc() {{}}
main () {{}}
""".format(type), function_table=actual)
expected = FunctionTable()
expected.store("func", Function("func", [], type, []))
expected.store("proc", Function("proc", [], None, []))
self.assertEqual(expected, actual)
def test_define_functions_with_parameter_should_change_function_table(self):
types = [Type.int(), Type.decimal(), Type.string(), Type.boolean(), Type.vector(), Type.drone(),
Type.list_of(Type.int()), Type.list_of(Type.decimal()), Type.list_of(Type.list_of(Type.int()))]
for type1 in types:
for type2 in types:
actual = FunctionTable()
generate_commands("""
function func({} a, {} b) return int {{}}
procedure proc({} a, {} b) {{}}
main () {{}}
""".format(type1, type2, type1, type2), function_table=actual)
expected = FunctionTable()
expected.store("func", Function("func", [Parameter("a", type1), Parameter("b", type2)], Type.int(), []))
expected.store("proc", Function("proc", [Parameter("a", type1), Parameter("b", type2)], None, []))
self.assertEqual(expected, actual)
def visitAssignVectorElem(
self, ctx: xDroneParser.AssignVectorElemContext) -> None:
vector_elem, expr = self.visit(ctx.vectorElem()), self.visit(
ctx.expr())
ident = vector_elem.ident
vector = vector_elem.container
index = vector_elem.index
if expr.type != Type.int() and expr.type != Type.decimal():
raise CompileError(
"Assigned value {} should have type int or decimal, but is {}".
format(expr, expr.type))
decimal_expr = Expression(Type.decimal(),
float(expr.value),
ident=expr.ident)
self._update_nested_ident(ident, decimal_expr, index)
def test_return_not_exist_in_function_should_give_error(self):
types = [Type.int(), Type.decimal(), Type.string(), Type.boolean(), Type.vector(), Type.drone(),
Type.list_of(Type.int()), Type.list_of(Type.decimal()), Type.list_of(Type.list_of(Type.int()))]
for type in types:
with self.assertRaises(CompileError) as context:
generate_commands("""
function func() return {} {{
}}
main () {{
{} a <- func();
}}
""".format(type, type))
self.assertTrue("Function func has returned type {}, but nothing is returned"
.format(type)
in str(context.exception))
def test_container_not_vector_should_give_error(self):
none_vector_exprs = [
Expression(Type.int(), 1, "a"),
Expression(Type.decimal(), 1.0, "a"),
Expression(Type.boolean(), True, "a"),
Expression(Type.string(), "abc", "a"),
Expression(Type.drone(), Drone("DRONE", DefaultDroneConfig()),
"a"),
Expression(Type.list_of(Type.decimal()), [1.0, 1.0, 1.0], "a"),
Expression(Type.list_of(Type.list_of(Type.decimal())),
[[1.0, 1.0, 1.0]], "a")
]
for none_vector_expr in none_vector_exprs:
with self.assertRaises(AssertionError) as context:
VectorElem("a", none_vector_expr, 0)
def test_declare_and_assign_with_different_type_should_give_error(self):
types = [
Type.int(),
Type.decimal(),
Type.string(),
Type.boolean(),
Type.vector(),
Type.drone(),
Type.list_of(Type.int()),
Type.list_of(Type.list_of(Type.int()))
]
for t1 in types:
for t2 in types:
if t1 == t2:
continue
with self.assertRaises(CompileError) as context:
generate_commands("""
main () {{
{} a;
{} b <- a;
}}
""".format(t1, t2))
self.assertTrue(
"Identifier b has been declared as {}, but assigned as {}".
format(t2.type_name, t1.type_name) in str(
context.exception))
def test_assign_list_elem_with_different_type_should_give_error(self):
types = [
Type.int(),
Type.decimal(),
Type.string(),
Type.boolean(),
Type.vector(),
Type.drone(),
Type.list_of(Type.int()),
Type.list_of(Type.list_of(Type.int()))
]
for t1 in types:
for t2 in types:
if t1 == t2:
continue
with self.assertRaises(CompileError) as context:
generate_commands("""
main () {{
{} a;
{} b;
list[{}] c <- [a];
c[0] <- b;
}}
""".format(t1, t2, t1))
self.assertTrue(
"Assigned value {} should have type {}, but is {}".format(
Expression(t2, t2.default_value, ident="b"),
t1.type_name, t2.type_name) in str(context.exception))
def test_for_with_wrong_type_ident_should_give_error(self):
types = [Type.decimal(), Type.string(), Type.boolean(), Type.vector(), Type.drone(),
Type.list_of(Type.int()), Type.list_of(Type.decimal()), Type.list_of(Type.list_of(Type.int()))]
for type in types:
with self.assertRaises(CompileError) as context:
generate_commands("""
main () {{
{} i;
for i from 0 to 9 step 2 {{
}}
}}
""".format(type))
self.assertTrue("Identifier i has been declared as {}, but assigned as int"
.format(type)
in str(context.exception))
def test_repeated_declare_and_assign_drone_constant_should_give_error(
self):
types = [
Type.int(),
Type.decimal(),
Type.string(),
Type.boolean(),
Type.vector(),
Type.drone(),
Type.list_of(Type.int()),
Type.list_of(Type.list_of(Type.int()))
]
for type in types:
with self.assertRaises(CompileError) as context:
generate_commands(
"""
main () {{
{} a;
{} DRONE <- a;
}}
""".format(type.type_name, type.type_name),
drone_config_map={"DRONE": DefaultDroneConfig()})
self.assertTrue(
"Identifier DRONE already declared" in str(context.exception))
def test_return_correct_type_in_function_should_return_correct_value(self):
types = [Type.int(), Type.decimal(), Type.string(), Type.boolean(), Type.vector(), Type.drone(),
Type.list_of(Type.int()), Type.list_of(Type.decimal()), Type.list_of(Type.list_of(Type.int()))]
for type in types:
actual = SymbolTable()
generate_commands("""
function func() return {} {{
{} a;
return a;
}}
main () {{
{} a <- func();
}}
""".format(type, type, type), symbol_table=actual)
expected = SymbolTable()
expected.store("a", Expression(type, type.default_value, ident="a"))
self.assertEqual(expected, actual)
def test_for_with_wrong_type_step_expr_should_give_error(self):
types = [Type.decimal(), Type.string(), Type.boolean(), Type.vector(), Type.drone(),
Type.list_of(Type.int()), Type.list_of(Type.decimal()), Type.list_of(Type.list_of(Type.int()))]
for type in types:
with self.assertRaises(CompileError) as context:
generate_commands("""
main () {{
int i;
{} a;
for i from 0 to 9 step a {{
}}
}}
""".format(type))
self.assertTrue("Expression {} should have type int, but is {}"
.format(Expression(type, type.default_value, ident="a"), type.type_name)
in str(context.exception))
def test_return_value_in_procedure_should_give_error(self):
types = [Type.int(), Type.decimal(), Type.string(), Type.boolean(), Type.vector(), Type.drone(),
Type.list_of(Type.int()), Type.list_of(Type.decimal()), Type.list_of(Type.list_of(Type.int()))]
for type in types:
with self.assertRaises(CompileError) as context:
generate_commands("""
procedure proc() {{
{} a;
return a;
}}
main () {{
proc();
}}
""".format(type))
self.assertTrue("Procedure proc should not return anything, but {} is returned"
.format(Expression(type, type.default_value, ident=None))
in str(context.exception))
def test_eq(self):
expressions1 = [
None,
Expression(Type.int(), 1),
Expression(Type.decimal(), 1.1),
Expression(Type.boolean(), False),
Expression(Type.vector(), [1.1, 2.2, -1.1]),
Expression(Type.list_of(Type.int()), [1, 2, 3, 4]),
Expression(Type.list_of(Type.int()), []),
Expression(Type.list_of(Type.decimal()), [1.0, 2.0, 3.0, 4.0]),
Expression(Type.list_of(Type.list_of(Type.vector())),
[[[1.1, 2.2, -1.1], [1, 2, -1]]]),
Expression(Type.int(), 1, "a"),
Expression(Type.decimal(), 1.1, "a"),
Expression(Type.boolean(), False, "a"),
Expression(Type.vector(), [1.1, 2.2, -1.1], "a"),
Expression(Type.drone(), Drone("DRONE", DefaultDroneConfig()),
"a"),
Expression(Type.list_of(Type.int()), [1, 2, 3, 4], "a"),
Expression(Type.list_of(Type.int()), [], "a"),
Expression(Type.list_of(Type.decimal()), [1.0, 2.0, 3.0, 4.0],
"a"),
Expression(Type.list_of(Type.list_of(Type.vector())),
[[[1.1, 2.2, -1.1], [1, 2, -1]]], "a")
]
expressions2 = [
None,
Expression(Type.int(), 1),
Expression(Type.decimal(), 1.1),
Expression(Type.boolean(), False),
Expression(Type.vector(), [1.1, 2.2, -1.1]),
Expression(Type.list_of(Type.int()), [1, 2, 3, 4]),
Expression(Type.list_of(Type.int()), []),
Expression(Type.list_of(Type.decimal()), [1.0, 2.0, 3.0, 4.0]),
Expression(Type.list_of(Type.list_of(Type.vector())),
[[[1.1, 2.2, -1.1], [1, 2, -1]]]),
Expression(Type.int(), 1, "a"),
Expression(Type.decimal(), 1.1, "a"),
Expression(Type.boolean(), False, "a"),
Expression(Type.vector(), [1.1, 2.2, -1.1], "a"),
Expression(Type.drone(), Drone("DRONE", DefaultDroneConfig()),
"a"),
Expression(Type.list_of(Type.int()), [1, 2, 3, 4], "a"),
Expression(Type.list_of(Type.int()), [], "a"),
Expression(Type.list_of(Type.decimal()), [1.0, 2.0, 3.0, 4.0],
"a"),
Expression(Type.list_of(Type.list_of(Type.vector())),
[[[1.1, 2.2, -1.1], [1, 2, -1]]], "a")
]
for i in range(len(expressions1)):
for j in range(len(expressions2)):
if i == j:
self.assertEqual(expressions1[i], expressions2[j])
else:
self.assertNotEqual(expressions1[i], expressions2[j])
def test_define_functions_with_duplicated_parameter_should_give_error(self):
types = [Type.int(), Type.decimal(), Type.string(), Type.boolean(), Type.vector(), Type.drone(),
Type.list_of(Type.int()), Type.list_of(Type.decimal()), Type.list_of(Type.list_of(Type.int()))]
for type1 in types:
for type2 in types:
with self.assertRaises(CompileError) as context:
generate_commands("""
function func({} a, {} a) return int {{}}
main () {{}}
""".format(type1, type2, type1, type2))
self.assertTrue("Parameter names are duplicated in ['a', 'a']" in str(context.exception))
with self.assertRaises(CompileError) as context:
generate_commands("""
procedure proc({} a, {} a) {{}}
main () {{}}
""".format(type1, type2, type1, type2))
self.assertTrue("Parameter names are duplicated in ['a', 'a']" in str(context.exception))
def test_vector_elem_expr_should_return_correct_value(self):
actual = SymbolTable()
generate_commands("""
main () {
vector a <- (1, -2, -3.0);
decimal b <- a.x;
decimal c <- a.y;
decimal d <- a.z;
}
""",
symbol_table=actual)
expected = SymbolTable()
expected.store("a",
Expression(Type.vector(), [1.0, -2.0, -3.0], ident="a"))
expected.store("b", Expression(Type.decimal(), 1.0, ident="b"))
expected.store("c", Expression(Type.decimal(), -2.0, ident="c"))
expected.store("d", Expression(Type.decimal(), -3.0, ident="d"))
self.assertEqual(expected, actual)
def test_declare_and_assign_decimal_should_change_symbol_table(self):
actual = SymbolTable()
generate_commands("""
main () { decimal a <- 1.0; }
""",
symbol_table=actual)
expected = SymbolTable()
expected.store("a", Expression(Type.decimal(), 1.0, ident="a"))
self.assertEqual(expected, actual)
def test_to_expression_should_return_correct_value(self):
expressions = [
None,
Expression(Type.int(), 1, "a"),
Expression(Type.decimal(), 1.1, "a"),
Expression(Type.boolean(), False, "a"),
Expression(Type.vector(), [1.1, 2.2, -1.1], "a"),
Expression(Type.drone(), Drone("DRONE", DefaultDroneConfig()),
"a"),
Expression(Type.list_of(Type.int()), [1, 2, 3, 4], "a"),
Expression(Type.list_of(Type.int()), [], "a"),
Expression(Type.list_of(Type.decimal()), [1.0, 2.0, 3.0, 4.0],
"a"),
Expression(Type.list_of(Type.list_of(Type.vector())),
[[[1.1, 2.2, -1.1], [1, 2, -1]]], "a")
]
for expression in expressions:
self.assertEqual(expression,
Identifier("a", expression).to_expression())
def test_to_expression_should_return_correct_value(self):
expression = Expression(Type.list_of(Type.decimal()),
[1.0, 2.0, 3.0, 4.0], "a")
expected = Expression(Type.decimal(), 1.0, "a[0]")
self.assertEqual(expected,
ListElem("a", expression, 0).to_expression())
expression = Expression(Type.list_of(Type.list_of(Type.vector())),
[[[1.1, 2.2, -1.1], [1, 2, -1]]], "a")
expected = Expression(Type.list_of(Type.vector()),
[[1.1, 2.2, -1.1], [1, 2, -1]], "a[0]")
self.assertEqual(expected,
ListElem("a", expression, 0).to_expression())
expression = Expression(Type.list_of(Type.boolean()), [True, False],
"b[1]")
expected = Expression(Type.boolean(), False, "b[1][1]")
self.assertEqual(expected,
ListElem("b[1]", expression, 1).to_expression())
def visitCompare(self, ctx: xDroneParser.CompareContext) -> Expression:
expr1, expr2 = self.visit(ctx.expr(0)), self.visit(ctx.expr(1))
if expr1.type != Type.int() and expr1.type != Type.decimal():
raise CompileError(
"Expression {} should have type int or decimal, but is {}".
format(expr1, expr1.type))
if expr2.type != Type.int() and expr2.type != Type.decimal():
raise CompileError(
"Expression {} should have type int or decimal, but is {}".
format(expr2, expr2.type))
if ctx.GREATER():
result_value = expr1.value > expr2.value
elif ctx.GREATER_EQ():
result_value = expr1.value >= expr2.value
elif ctx.LESS():
result_value = expr1.value < expr2.value
else: # LESS_EQ
result_value = expr1.value <= expr2.value
return Expression(Type.boolean(), result_value)
def test_call_function_with_wrong_type_argument_should_give_error(self):
types = [Type.int(), Type.decimal(), Type.string(), Type.boolean(), Type.vector(), Type.drone(),
Type.list_of(Type.int()), Type.list_of(Type.decimal()), Type.list_of(Type.list_of(Type.int()))]
for t1 in types:
for t2 in types:
if t1 == t2:
continue
with self.assertRaises(CompileError) as context:
generate_commands("""
function func({} i) return {} {{
return(i);
}}
main () {{
{} a;
{} b <- func(a);
}}
""".format(t1, t1, t2, t1))
self.assertTrue("Arguments when calling function or procedure func should have types ['{}'], "
"but is ['{}']".format(t1, t2)
in str(context.exception))
def test_return_wrong_type_in_function_should_give_error(self):
types = [Type.int(), Type.decimal(), Type.string(), Type.boolean(), Type.vector(), Type.drone(),
Type.list_of(Type.int()), Type.list_of(Type.decimal()), Type.list_of(Type.list_of(Type.int()))]
for t1 in types:
for t2 in types:
if t1 == t2:
continue
with self.assertRaises(CompileError) as context:
generate_commands("""
function func() return {} {{
{} a;
return a;
}}
main () {{
{} a <- func();
}}
""".format(t1, t2, t1))
self.assertTrue("Function func has returned type {}, but {} is returned"
.format(t1, t2)
in str(context.exception))
def test_movement_with_other_type_should_give_error(self):
types = [
Type.int(),
Type.decimal(),
Type.string(),
Type.boolean(),
Type.vector(),
Type.list_of(Type.int()),
Type.list_of(Type.decimal()),
Type.list_of(Type.list_of(Type.int()))
]
for type in types:
with self.assertRaises(CompileError) as context:
generate_commands("""
main() {{ {} a; a.takeoff(); a.land(); }}
""".format(type))
self.assertTrue(
"Expression {} should have type drone, but is {}".format(
Expression(type, type.default_value, ident="a"),
type.type_name) in str(context.exception))
def test_assign_ident_decimal_should_update_symbol_table(self):
actual = SymbolTable()
generate_commands("""
main () {
decimal a;
a <- -1.5e10;
}
""",
symbol_table=actual)
expected = SymbolTable()
expected.store("a", Expression(Type.decimal(), -1.5e10, ident="a"))
self.assertEqual(expected, actual)
def test_list_with_inconsistent_type_should_give_error(self):
with self.assertRaises(CompileError) as context:
generate_commands("""
main () {
list[int] a <- [1, 1.0];
}
""")
self.assertTrue(
"Elements in list {} should have the same type".format([
str(Expression(Type.int(), 1, None)),
str(Expression(Type.decimal(), 1.0, None))
]) in str(context.exception))
