mirror of
https://github.com/python/cpython.git
synced 2025-10-26 11:14:33 +00:00
b87263be9b
Also avoid the need for the awkward .clone() call in the argument to mgr.adjust_inverse() and mgr.adjust().
567 lines
15 KiB
Python
567 lines
15 KiB
Python
import tempfile
|
|
import unittest
|
|
import os
|
|
|
|
from test import test_tools
|
|
|
|
test_tools.skip_if_missing('cases_generator')
|
|
with test_tools.imports_under_tool('cases_generator'):
|
|
import generate_cases
|
|
import analysis
|
|
import formatting
|
|
from parsing import StackEffect
|
|
|
|
|
|
class TestEffects(unittest.TestCase):
|
|
def test_effect_sizes(self):
|
|
input_effects = [
|
|
x := StackEffect("x", "", "", ""),
|
|
y := StackEffect("y", "", "", "oparg"),
|
|
z := StackEffect("z", "", "", "oparg*2"),
|
|
]
|
|
output_effects = [
|
|
StackEffect("a", "", "", ""),
|
|
StackEffect("b", "", "", "oparg*4"),
|
|
StackEffect("c", "", "", ""),
|
|
]
|
|
other_effects = [
|
|
StackEffect("p", "", "", "oparg<<1"),
|
|
StackEffect("q", "", "", ""),
|
|
StackEffect("r", "", "", ""),
|
|
]
|
|
self.assertEqual(formatting.effect_size(x), (1, ""))
|
|
self.assertEqual(formatting.effect_size(y), (0, "oparg"))
|
|
self.assertEqual(formatting.effect_size(z), (0, "oparg*2"))
|
|
|
|
self.assertEqual(
|
|
formatting.list_effect_size(input_effects),
|
|
(1, "oparg + oparg*2"),
|
|
)
|
|
self.assertEqual(
|
|
formatting.list_effect_size(output_effects),
|
|
(2, "oparg*4"),
|
|
)
|
|
self.assertEqual(
|
|
formatting.list_effect_size(other_effects),
|
|
(2, "(oparg<<1)"),
|
|
)
|
|
|
|
|
|
class TestGeneratedCases(unittest.TestCase):
|
|
def setUp(self) -> None:
|
|
super().setUp()
|
|
self.maxDiff = None
|
|
|
|
self.temp_dir = tempfile.gettempdir()
|
|
self.temp_input_filename = os.path.join(self.temp_dir, "input.txt")
|
|
self.temp_output_filename = os.path.join(self.temp_dir, "output.txt")
|
|
self.temp_metadata_filename = os.path.join(self.temp_dir, "metadata.txt")
|
|
self.temp_pymetadata_filename = os.path.join(self.temp_dir, "pymetadata.txt")
|
|
self.temp_executor_filename = os.path.join(self.temp_dir, "executor.txt")
|
|
|
|
def tearDown(self) -> None:
|
|
for filename in [
|
|
self.temp_input_filename,
|
|
self.temp_output_filename,
|
|
self.temp_metadata_filename,
|
|
self.temp_pymetadata_filename,
|
|
self.temp_executor_filename,
|
|
]:
|
|
try:
|
|
os.remove(filename)
|
|
except:
|
|
pass
|
|
super().tearDown()
|
|
|
|
def run_cases_test(self, input: str, expected: str):
|
|
with open(self.temp_input_filename, "w+") as temp_input:
|
|
temp_input.write(analysis.BEGIN_MARKER)
|
|
temp_input.write(input)
|
|
temp_input.write(analysis.END_MARKER)
|
|
temp_input.flush()
|
|
|
|
a = generate_cases.Generator([self.temp_input_filename])
|
|
a.parse()
|
|
a.analyze()
|
|
if a.errors:
|
|
raise RuntimeError(f"Found {a.errors} errors")
|
|
a.write_instructions(self.temp_output_filename, False)
|
|
|
|
with open(self.temp_output_filename) as temp_output:
|
|
lines = temp_output.readlines()
|
|
while lines and lines[0].startswith("// "):
|
|
lines.pop(0)
|
|
actual = "".join(lines)
|
|
# if actual.rstrip() != expected.rstrip():
|
|
# print("Actual:")
|
|
# print(actual)
|
|
# print("Expected:")
|
|
# print(expected)
|
|
# print("End")
|
|
|
|
self.assertEqual(actual.rstrip(), expected.rstrip())
|
|
|
|
def test_inst_no_args(self):
|
|
input = """
|
|
inst(OP, (--)) {
|
|
spam();
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
spam();
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_inst_one_pop(self):
|
|
input = """
|
|
inst(OP, (value --)) {
|
|
spam();
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
PyObject *value;
|
|
value = stack_pointer[-1];
|
|
spam();
|
|
STACK_SHRINK(1);
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_inst_one_push(self):
|
|
input = """
|
|
inst(OP, (-- res)) {
|
|
spam();
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
PyObject *res;
|
|
spam();
|
|
STACK_GROW(1);
|
|
stack_pointer[-1] = res;
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_inst_one_push_one_pop(self):
|
|
input = """
|
|
inst(OP, (value -- res)) {
|
|
spam();
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
PyObject *value;
|
|
PyObject *res;
|
|
value = stack_pointer[-1];
|
|
spam();
|
|
stack_pointer[-1] = res;
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_binary_op(self):
|
|
input = """
|
|
inst(OP, (left, right -- res)) {
|
|
spam();
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
PyObject *right;
|
|
PyObject *left;
|
|
PyObject *res;
|
|
right = stack_pointer[-1];
|
|
left = stack_pointer[-2];
|
|
spam();
|
|
STACK_SHRINK(1);
|
|
stack_pointer[-1] = res;
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_overlap(self):
|
|
input = """
|
|
inst(OP, (left, right -- left, result)) {
|
|
spam();
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
PyObject *right;
|
|
PyObject *left;
|
|
PyObject *result;
|
|
right = stack_pointer[-1];
|
|
left = stack_pointer[-2];
|
|
spam();
|
|
stack_pointer[-1] = result;
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_predictions_and_eval_breaker(self):
|
|
input = """
|
|
inst(OP1, (--)) {
|
|
}
|
|
inst(OP3, (arg -- res)) {
|
|
DEOPT_IF(xxx, OP1);
|
|
CHECK_EVAL_BREAKER();
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP1) {
|
|
PREDICTED(OP1);
|
|
DISPATCH();
|
|
}
|
|
|
|
TARGET(OP3) {
|
|
PyObject *arg;
|
|
PyObject *res;
|
|
arg = stack_pointer[-1];
|
|
DEOPT_IF(xxx, OP1);
|
|
stack_pointer[-1] = res;
|
|
CHECK_EVAL_BREAKER();
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_error_if_plain(self):
|
|
input = """
|
|
inst(OP, (--)) {
|
|
ERROR_IF(cond, label);
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
if (cond) goto label;
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_error_if_plain_with_comment(self):
|
|
input = """
|
|
inst(OP, (--)) {
|
|
ERROR_IF(cond, label); // Comment is ok
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
if (cond) goto label;
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_error_if_pop(self):
|
|
input = """
|
|
inst(OP, (left, right -- res)) {
|
|
ERROR_IF(cond, label);
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
PyObject *right;
|
|
PyObject *left;
|
|
PyObject *res;
|
|
right = stack_pointer[-1];
|
|
left = stack_pointer[-2];
|
|
if (cond) goto pop_2_label;
|
|
STACK_SHRINK(1);
|
|
stack_pointer[-1] = res;
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_cache_effect(self):
|
|
input = """
|
|
inst(OP, (counter/1, extra/2, value --)) {
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
PyObject *value;
|
|
value = stack_pointer[-1];
|
|
uint16_t counter = read_u16(&next_instr[0].cache);
|
|
uint32_t extra = read_u32(&next_instr[1].cache);
|
|
STACK_SHRINK(1);
|
|
next_instr += 3;
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_suppress_dispatch(self):
|
|
input = """
|
|
inst(OP, (--)) {
|
|
goto somewhere;
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
goto somewhere;
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_macro_instruction(self):
|
|
input = """
|
|
inst(OP1, (counter/1, left, right -- left, right)) {
|
|
op1(left, right);
|
|
}
|
|
op(OP2, (extra/2, arg2, left, right -- res)) {
|
|
res = op2(arg2, left, right);
|
|
}
|
|
macro(OP) = OP1 + cache/2 + OP2;
|
|
inst(OP3, (unused/5, arg2, left, right -- res)) {
|
|
res = op3(arg2, left, right);
|
|
}
|
|
family(OP, INLINE_CACHE_ENTRIES_OP) = { OP3 };
|
|
"""
|
|
output = """
|
|
TARGET(OP1) {
|
|
PyObject *right;
|
|
PyObject *left;
|
|
right = stack_pointer[-1];
|
|
left = stack_pointer[-2];
|
|
uint16_t counter = read_u16(&next_instr[0].cache);
|
|
op1(left, right);
|
|
next_instr += 1;
|
|
DISPATCH();
|
|
}
|
|
|
|
TARGET(OP) {
|
|
static_assert(INLINE_CACHE_ENTRIES_OP == 5, "incorrect cache size");
|
|
PyObject *right;
|
|
PyObject *left;
|
|
PyObject *arg2;
|
|
PyObject *res;
|
|
// OP1
|
|
right = stack_pointer[-1];
|
|
left = stack_pointer[-2];
|
|
{
|
|
uint16_t counter = read_u16(&next_instr[0].cache);
|
|
op1(left, right);
|
|
}
|
|
// OP2
|
|
arg2 = stack_pointer[-3];
|
|
{
|
|
uint32_t extra = read_u32(&next_instr[3].cache);
|
|
res = op2(arg2, left, right);
|
|
}
|
|
STACK_SHRINK(2);
|
|
stack_pointer[-1] = res;
|
|
next_instr += 5;
|
|
DISPATCH();
|
|
}
|
|
|
|
TARGET(OP3) {
|
|
PyObject *right;
|
|
PyObject *left;
|
|
PyObject *arg2;
|
|
PyObject *res;
|
|
right = stack_pointer[-1];
|
|
left = stack_pointer[-2];
|
|
arg2 = stack_pointer[-3];
|
|
res = op3(arg2, left, right);
|
|
STACK_SHRINK(2);
|
|
stack_pointer[-1] = res;
|
|
next_instr += 5;
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_array_input(self):
|
|
input = """
|
|
inst(OP, (below, values[oparg*2], above --)) {
|
|
spam();
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
PyObject *above;
|
|
PyObject **values;
|
|
PyObject *below;
|
|
above = stack_pointer[-1];
|
|
values = stack_pointer - 1 - oparg*2;
|
|
below = stack_pointer[-2 - oparg*2];
|
|
spam();
|
|
STACK_SHRINK(oparg*2);
|
|
STACK_SHRINK(2);
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_array_output(self):
|
|
input = """
|
|
inst(OP, (unused, unused -- below, values[oparg*3], above)) {
|
|
spam(values, oparg);
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
PyObject *below;
|
|
PyObject **values;
|
|
PyObject *above;
|
|
values = stack_pointer - 1;
|
|
spam(values, oparg);
|
|
STACK_GROW(oparg*3);
|
|
stack_pointer[-2 - oparg*3] = below;
|
|
stack_pointer[-1] = above;
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_array_input_output(self):
|
|
input = """
|
|
inst(OP, (values[oparg] -- values[oparg], above)) {
|
|
spam(values, oparg);
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
PyObject **values;
|
|
PyObject *above;
|
|
values = stack_pointer - oparg;
|
|
spam(values, oparg);
|
|
STACK_GROW(1);
|
|
stack_pointer[-1] = above;
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_array_error_if(self):
|
|
input = """
|
|
inst(OP, (extra, values[oparg] --)) {
|
|
ERROR_IF(oparg == 0, somewhere);
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
PyObject **values;
|
|
PyObject *extra;
|
|
values = stack_pointer - oparg;
|
|
extra = stack_pointer[-1 - oparg];
|
|
if (oparg == 0) { STACK_SHRINK(oparg); goto pop_1_somewhere; }
|
|
STACK_SHRINK(oparg);
|
|
STACK_SHRINK(1);
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_cond_effect(self):
|
|
input = """
|
|
inst(OP, (aa, input if ((oparg & 1) == 1), cc -- xx, output if (oparg & 2), zz)) {
|
|
output = spam(oparg, input);
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
PyObject *cc;
|
|
PyObject *input = NULL;
|
|
PyObject *aa;
|
|
PyObject *xx;
|
|
PyObject *output = NULL;
|
|
PyObject *zz;
|
|
cc = stack_pointer[-1];
|
|
if ((oparg & 1) == 1) { input = stack_pointer[-1 - ((oparg & 1) == 1 ? 1 : 0)]; }
|
|
aa = stack_pointer[-2 - ((oparg & 1) == 1 ? 1 : 0)];
|
|
output = spam(oparg, input);
|
|
STACK_SHRINK((((oparg & 1) == 1) ? 1 : 0));
|
|
STACK_GROW(((oparg & 2) ? 1 : 0));
|
|
stack_pointer[-2 - (oparg & 2 ? 1 : 0)] = xx;
|
|
if (oparg & 2) { stack_pointer[-1 - (oparg & 2 ? 1 : 0)] = output; }
|
|
stack_pointer[-1] = zz;
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_macro_cond_effect(self):
|
|
input = """
|
|
op(A, (left, middle, right --)) {
|
|
# Body of A
|
|
}
|
|
op(B, (-- deep, extra if (oparg), res)) {
|
|
# Body of B
|
|
}
|
|
macro(M) = A + B;
|
|
"""
|
|
output = """
|
|
TARGET(M) {
|
|
PyObject *right;
|
|
PyObject *middle;
|
|
PyObject *left;
|
|
PyObject *deep;
|
|
PyObject *extra = NULL;
|
|
PyObject *res;
|
|
// A
|
|
right = stack_pointer[-1];
|
|
middle = stack_pointer[-2];
|
|
left = stack_pointer[-3];
|
|
{
|
|
# Body of A
|
|
}
|
|
// B
|
|
{
|
|
# Body of B
|
|
}
|
|
STACK_SHRINK(1);
|
|
STACK_GROW((oparg ? 1 : 0));
|
|
stack_pointer[-2 - (oparg ? 1 : 0)] = deep;
|
|
if (oparg) { stack_pointer[-1 - (oparg ? 1 : 0)] = extra; }
|
|
stack_pointer[-1] = res;
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_macro_push_push(self):
|
|
input = """
|
|
op(A, (-- val1)) {
|
|
val1 = spam();
|
|
}
|
|
op(B, (-- val2)) {
|
|
val2 = spam();
|
|
}
|
|
macro(M) = A + B;
|
|
"""
|
|
output = """
|
|
TARGET(M) {
|
|
PyObject *val1;
|
|
PyObject *val2;
|
|
// A
|
|
{
|
|
val1 = spam();
|
|
}
|
|
// B
|
|
{
|
|
val2 = spam();
|
|
}
|
|
STACK_GROW(2);
|
|
stack_pointer[-2] = val1;
|
|
stack_pointer[-1] = val2;
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|