mirror of
https://github.com/goplus/llgo.git
synced 2025-10-05 15:47:12 +08:00
403 lines
14 KiB
Python
403 lines
14 KiB
Python
# pylint: disable=missing-module-docstring,missing-class-docstring,missing-function-docstring
|
|
|
|
import os
|
|
import sys
|
|
import argparse
|
|
import signal
|
|
from dataclasses import dataclass, field
|
|
from typing import List, Optional, Set, Dict, Any
|
|
import lldb
|
|
import llgo_plugin
|
|
from llgo_plugin import log
|
|
|
|
|
|
class LLDBTestException(Exception):
|
|
pass
|
|
|
|
|
|
@dataclass
|
|
class Test:
|
|
source_file: str
|
|
line_number: int
|
|
variable: str
|
|
expected_value: str
|
|
|
|
|
|
@dataclass
|
|
class TestResult:
|
|
test: Test
|
|
status: str
|
|
actual: Optional[str] = None
|
|
message: Optional[str] = None
|
|
missing: Optional[Set[str]] = None
|
|
extra: Optional[Set[str]] = None
|
|
|
|
|
|
@dataclass
|
|
class TestCase:
|
|
source_file: str
|
|
start_line: int
|
|
end_line: int
|
|
tests: List[Test]
|
|
|
|
|
|
@dataclass
|
|
class CaseResult:
|
|
test_case: TestCase
|
|
function: str
|
|
results: List[TestResult]
|
|
|
|
|
|
@dataclass
|
|
class TestResults:
|
|
total: int = 0
|
|
passed: int = 0
|
|
failed: int = 0
|
|
case_results: List[CaseResult] = field(default_factory=list)
|
|
|
|
|
|
class LLDBDebugger:
|
|
def __init__(self, executable_path: str, plugin_path: Optional[str] = None) -> None:
|
|
self.executable_path: str = executable_path
|
|
self.plugin_path: Optional[str] = plugin_path
|
|
self.debugger: lldb.SBDebugger = lldb.SBDebugger.Create()
|
|
self.debugger.SetAsync(False)
|
|
self.target: Optional[lldb.SBTarget] = None
|
|
self.process: Optional[lldb.SBProcess] = None
|
|
self.type_mapping: Dict[str, str] = {
|
|
'long': 'int',
|
|
'unsigned long': 'uint',
|
|
}
|
|
|
|
def setup(self) -> None:
|
|
if self.plugin_path:
|
|
self.debugger.HandleCommand(
|
|
f'command script import "{self.plugin_path}"')
|
|
self.target = self.debugger.CreateTarget(self.executable_path)
|
|
if not self.target:
|
|
raise LLDBTestException(
|
|
f"Failed to create target for {self.executable_path}")
|
|
|
|
self.debugger.HandleCommand(
|
|
'command script add -f llgo_plugin.print_go_expression p')
|
|
self.debugger.HandleCommand(
|
|
'command script add -f llgo_plugin.print_all_variables v')
|
|
|
|
def set_breakpoint(self, file_spec: str, line_number: int) -> lldb.SBBreakpoint:
|
|
bp = self.target.BreakpointCreateByLocation(file_spec, line_number)
|
|
if not bp.IsValid():
|
|
raise LLDBTestException(
|
|
f"Failed to set breakpoint at {file_spec}: {line_number}")
|
|
return bp
|
|
|
|
def run_to_breakpoint(self) -> None:
|
|
if not self.process:
|
|
self.process = self.target.LaunchSimple(None, None, os.getcwd())
|
|
else:
|
|
self.process.Continue()
|
|
if self.process.GetState() != lldb.eStateStopped:
|
|
raise LLDBTestException("Process didn't stop at breakpoint")
|
|
|
|
def get_variable_value(self, var_expression: str) -> Optional[str]:
|
|
frame = self.process.GetSelectedThread().GetFrameAtIndex(0)
|
|
value = llgo_plugin.evaluate_expression(frame, var_expression)
|
|
if value and value.IsValid():
|
|
return llgo_plugin.format_value(value, self.debugger)
|
|
return None
|
|
|
|
def get_all_variable_names(self) -> Set[str]:
|
|
frame = self.process.GetSelectedThread().GetFrameAtIndex(0)
|
|
return set(var.GetName() for var in frame.GetVariables(True, True, True, True))
|
|
|
|
def get_current_function_name(self) -> str:
|
|
frame = self.process.GetSelectedThread().GetFrameAtIndex(0)
|
|
return frame.GetFunctionName()
|
|
|
|
def cleanup(self) -> None:
|
|
if self.process and self.process.IsValid():
|
|
self.process.Kill()
|
|
lldb.SBDebugger.Destroy(self.debugger)
|
|
|
|
def run_console(self) -> bool:
|
|
log("\nEntering LLDB interactive mode.")
|
|
log("Type 'quit' to exit and continue with the next test case.")
|
|
log("Use Ctrl+D to exit and continue, or Ctrl+C to abort all tests.")
|
|
|
|
old_stdin, old_stdout, old_stderr = sys.stdin, sys.stdout, sys.stderr
|
|
sys.stdin, sys.stdout, sys.stderr = sys.__stdin__, sys.__stdout__, sys.__stderr__
|
|
|
|
self.debugger.SetAsync(True)
|
|
self.debugger.HandleCommand("settings set auto-confirm true")
|
|
self.debugger.HandleCommand("command script import lldb")
|
|
|
|
interpreter = self.debugger.GetCommandInterpreter()
|
|
continue_tests = True
|
|
|
|
def keyboard_interrupt_handler(_sig: Any, _frame: Any) -> None:
|
|
nonlocal continue_tests
|
|
log("\nTest execution aborted by user.")
|
|
continue_tests = False
|
|
raise KeyboardInterrupt
|
|
|
|
original_handler = signal.signal(
|
|
signal.SIGINT, keyboard_interrupt_handler)
|
|
|
|
try:
|
|
while continue_tests:
|
|
log("\n(lldb) ", end="")
|
|
try:
|
|
command = input().strip()
|
|
except EOFError:
|
|
log("\nExiting LLDB interactive mode. Continuing with next test case.")
|
|
break
|
|
except KeyboardInterrupt:
|
|
break
|
|
|
|
if command.lower() == 'quit':
|
|
log("\nExiting LLDB interactive mode. Continuing with next test case.")
|
|
break
|
|
|
|
result = lldb.SBCommandReturnObject()
|
|
interpreter.HandleCommand(command, result)
|
|
log(result.GetOutput().rstrip() if result.Succeeded()
|
|
else result.GetError().rstrip())
|
|
|
|
finally:
|
|
signal.signal(signal.SIGINT, original_handler)
|
|
sys.stdin, sys.stdout, sys.stderr = old_stdin, old_stdout, old_stderr
|
|
|
|
return continue_tests
|
|
|
|
|
|
def parse_expected_values(source_files: List[str]) -> List[TestCase]:
|
|
test_cases: List[TestCase] = []
|
|
for source_file in source_files:
|
|
with open(source_file, 'r', encoding='utf-8') as f:
|
|
content = f.readlines()
|
|
i = 0
|
|
while i < len(content):
|
|
line = content[i].strip()
|
|
if line.startswith('// Expected:'):
|
|
start_line = i + 1
|
|
tests: List[Test] = []
|
|
i += 1
|
|
while i < len(content):
|
|
line = content[i].strip()
|
|
if not line.startswith('//'):
|
|
break
|
|
parts = line.lstrip('//').strip().split(':', 1)
|
|
if len(parts) == 2:
|
|
var, value = map(str.strip, parts)
|
|
tests.append(Test(source_file, i + 1, var, value))
|
|
i += 1
|
|
end_line = i
|
|
test_cases.append(
|
|
TestCase(source_file, start_line, end_line, tests))
|
|
else:
|
|
i += 1
|
|
return test_cases
|
|
|
|
|
|
def execute_tests(executable_path: str, test_cases: List[TestCase], verbose: bool, interactive: bool, plugin_path: Optional[str]) -> TestResults:
|
|
results = TestResults()
|
|
|
|
for test_case in test_cases:
|
|
debugger = LLDBDebugger(executable_path, plugin_path)
|
|
try:
|
|
if verbose:
|
|
log(
|
|
f"\nSetting breakpoint at {test_case.source_file}:{test_case.end_line}")
|
|
debugger.setup()
|
|
debugger.set_breakpoint(test_case.source_file, test_case.end_line)
|
|
debugger.run_to_breakpoint()
|
|
|
|
all_variable_names = debugger.get_all_variable_names()
|
|
|
|
case_result = execute_test_case(
|
|
debugger, test_case, all_variable_names)
|
|
|
|
results.total += len(case_result.results)
|
|
results.passed += sum(1 for r in case_result.results if r.status == 'pass')
|
|
results.failed += sum(1 for r in case_result.results if r.status != 'pass')
|
|
results.case_results.append(case_result)
|
|
|
|
case = case_result.test_case
|
|
loc = f"{case.source_file}:{case.start_line}-{case.end_line}"
|
|
if verbose or interactive or any(r.status != 'pass' for r in case_result.results):
|
|
log(f"\nTest case: {loc} in function '{case_result.function}'")
|
|
for result in case_result.results:
|
|
print_test_result(result, verbose=verbose)
|
|
|
|
if interactive and any(r.status != 'pass' for r in case_result.results):
|
|
log("\nTest case failed. Entering LLDB interactive mode.")
|
|
continue_tests = debugger.run_console()
|
|
if not continue_tests:
|
|
log("Aborting all tests.")
|
|
break
|
|
|
|
finally:
|
|
debugger.cleanup()
|
|
|
|
return results
|
|
|
|
|
|
def run_tests(executable_path: str, source_files: List[str], verbose: bool, interactive: bool, plugin_path: Optional[str]) -> int:
|
|
test_cases = parse_expected_values(source_files)
|
|
if verbose:
|
|
log(f"Running tests for {', '.join(source_files)} with {executable_path}")
|
|
log(f"Found {len(test_cases)} test cases")
|
|
|
|
results = execute_tests(executable_path, test_cases,
|
|
verbose, interactive, plugin_path)
|
|
print_test_results(results)
|
|
|
|
# Return 0 if all tests passed, 1 otherwise
|
|
return 0 if results.failed == 0 else 1
|
|
|
|
|
|
def execute_test_case(debugger: LLDBDebugger, test_case: TestCase, all_variable_names: Set[str]) -> CaseResult:
|
|
results: List[TestResult] = []
|
|
|
|
for test in test_case.tests:
|
|
if test.variable == "all variables":
|
|
result = execute_all_variables_test(test, all_variable_names)
|
|
else:
|
|
result = execute_single_variable_test(debugger, test)
|
|
results.append(result)
|
|
|
|
return CaseResult(test_case, debugger.get_current_function_name(), results)
|
|
|
|
|
|
def execute_all_variables_test(test: Test, all_variable_names: Set[str]) -> TestResult:
|
|
expected_vars = set(test.expected_value.split())
|
|
if expected_vars == all_variable_names:
|
|
return TestResult(
|
|
test=test,
|
|
status='pass',
|
|
actual=all_variable_names
|
|
)
|
|
else:
|
|
return TestResult(
|
|
test=test,
|
|
status='fail',
|
|
actual=all_variable_names,
|
|
missing=expected_vars - all_variable_names,
|
|
extra=all_variable_names - expected_vars
|
|
)
|
|
|
|
|
|
def execute_single_variable_test(debugger: LLDBDebugger, test: Test) -> TestResult:
|
|
actual_value = debugger.get_variable_value(test.variable)
|
|
if actual_value is None:
|
|
return TestResult(
|
|
test=test,
|
|
status='error',
|
|
message=f'Unable to fetch value for {test.variable}'
|
|
)
|
|
|
|
actual_value = actual_value.strip()
|
|
expected_value = test.expected_value.strip()
|
|
|
|
if actual_value == expected_value:
|
|
return TestResult(
|
|
test=test,
|
|
status='pass',
|
|
actual=actual_value
|
|
)
|
|
else:
|
|
return TestResult(
|
|
test=test,
|
|
status='fail',
|
|
actual=actual_value
|
|
)
|
|
|
|
|
|
def print_test_results(results: TestResults) -> None:
|
|
log("\nTest results:")
|
|
log(f" Total tests: {results.total}")
|
|
log(f" Passed tests: {results.passed}")
|
|
log(f" Failed tests: {results.failed}")
|
|
if results.total == results.passed:
|
|
log("All tests passed!")
|
|
else:
|
|
log("Some tests failed")
|
|
|
|
|
|
def print_test_result(result: TestResult, verbose: bool) -> None:
|
|
status_symbol = "✓" if result.status == 'pass' else "✗"
|
|
status_text = "Pass" if result.status == 'pass' else "Fail"
|
|
test = result.test
|
|
|
|
if result.status == 'pass':
|
|
if verbose:
|
|
log(f"{status_symbol} Line {test.line_number}, {test.variable}: {status_text}")
|
|
if test.variable == 'all variables':
|
|
log(f" Variables: {', '.join(sorted(result.actual))}")
|
|
else: # fail or error
|
|
log(f"{status_symbol} Line {test.line_number}, {test.variable}: {status_text}")
|
|
if test.variable == 'all variables':
|
|
if result.missing:
|
|
log(f" Missing variables: {', '.join(sorted(result.missing))}")
|
|
if result.extra:
|
|
log(f" Extra variables: {', '.join(sorted(result.extra))}")
|
|
log(f" Expected: {', '.join(sorted(test.expected_value.split()))}")
|
|
log(f" Actual: {', '.join(sorted(result.actual))}")
|
|
elif result.status == 'error':
|
|
log(f" Error: {result.message}")
|
|
else:
|
|
log(f" Expected: {test.expected_value}")
|
|
log(f" Actual: {result.actual}")
|
|
|
|
|
|
def run_tests_with_result(executable_path: str, source_files: List[str], verbose: bool, interactive: bool, plugin_path: Optional[str], result_path: str) -> int:
|
|
try:
|
|
exit_code = run_tests(executable_path, source_files,
|
|
verbose, interactive, plugin_path)
|
|
except Exception as e:
|
|
log(f"An error occurred during test execution: {str(e)}")
|
|
exit_code = 2 # Use a different exit code for unexpected errors
|
|
|
|
try:
|
|
with open(result_path, 'w', encoding='utf-8') as f:
|
|
f.write(str(exit_code))
|
|
except IOError as e:
|
|
log(f"Error writing result to file {result_path}: {str(e)}")
|
|
# If we can't write to the file, we should still return the exit code
|
|
|
|
return exit_code
|
|
|
|
|
|
def main() -> None:
|
|
log(sys.argv)
|
|
parser = argparse.ArgumentParser(
|
|
description="LLDB 18 Debug Script with DWARF 5 Support")
|
|
parser.add_argument("executable", help="Path to the executable")
|
|
parser.add_argument("sources", nargs='+', help="Paths to the source files")
|
|
parser.add_argument("-v", "--verbose", action="store_true",
|
|
help="Enable verbose output")
|
|
parser.add_argument("-i", "--interactive", action="store_true",
|
|
help="Enable interactive mode on test failure")
|
|
parser.add_argument("--plugin", help="Path to the LLDB plugin")
|
|
parser.add_argument("--result-path", help="Path to write the result")
|
|
args = parser.parse_args()
|
|
|
|
plugin_path = args.plugin or os.path.join(os.path.dirname(
|
|
os.path.realpath(__file__)), "go_lldb_plugin.py")
|
|
|
|
try:
|
|
if args.result_path:
|
|
exit_code = run_tests_with_result(args.executable, args.sources,
|
|
args.verbose, args.interactive, plugin_path, args.result_path)
|
|
else:
|
|
exit_code = run_tests(args.executable, args.sources,
|
|
args.verbose, args.interactive, plugin_path)
|
|
except Exception as e:
|
|
log(f"An unexpected error occurred: {str(e)}")
|
|
exit_code = 2 # Use a different exit code for unexpected errors
|
|
|
|
sys.exit(exit_code)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|