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lldb: support expression includes dereference, parentheses

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This commit is contained in:
Li Jie
2024-09-22 14:47:16 +08:00
parent 5dadf9a087
commit 379abeb262
2 changed files with 93 additions and 92 deletions
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42
_lldb/test.py
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@@ -7,17 +7,14 @@ import signal
from dataclasses import dataclass, field
from typing import List, Optional, Set, Dict, Any
import lldb
import llgo_plugin # Add this import
import llgo_plugin
from llgo_plugin import log
class LLDBTestException(Exception):
pass
def log(*args: Any, **kwargs: Any) -> None:
print(*args, **kwargs, flush=True)
@dataclass
class Test:
source_file: str
@@ -60,7 +57,7 @@ class TestResults:
class LLDBDebugger:
def __init__(self, executable_path: str, plugin_path: Optional[str] = None):
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()
@@ -70,7 +67,6 @@ class LLDBDebugger:
self.type_mapping: Dict[str, str] = {
'long': 'int',
'unsigned long': 'uint',
# Add more mappings as needed
}
def setup(self) -> None:
@@ -104,25 +100,10 @@ class LLDBDebugger:
def get_variable_value(self, var_expression: str) -> Optional[str]:
frame = self.process.GetSelectedThread().GetFrameAtIndex(0)
parts = var_expression.split('.')
var = frame.FindVariable(parts[0])
for part in parts[1:]:
if not var.IsValid():
return None
if '[' in part and ']' in part:
array_name, index = part.split('[')
index = int(index.rstrip(']'))
var = var.GetChildAtIndex(index)
elif var.GetType().IsPointerType():
var = var.Dereference()
var = var.GetChildMemberWithName(part)
else:
var = var.GetChildMemberWithName(part)
return llgo_plugin.format_value(var, self.debugger) if var.IsValid() else None
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)
@@ -189,7 +170,7 @@ class LLDBDebugger:
def parse_expected_values(source_files: List[str]) -> List[TestCase]:
test_cases = []
test_cases: List[TestCase] = []
for source_file in source_files:
with open(source_file, 'r', encoding='utf-8') as f:
content = f.readlines()
@@ -198,7 +179,7 @@ def parse_expected_values(source_files: List[str]) -> List[TestCase]:
line = content[i].strip()
if line.startswith('// Expected:'):
start_line = i + 1
tests = []
tests: List[Test] = []
i += 1
while i < len(content):
line = content[i].strip()
@@ -224,7 +205,8 @@ def execute_tests(executable_path: str, test_cases: List[TestCase], verbose: boo
debugger = LLDBDebugger(executable_path, plugin_path)
try:
if verbose:
log(f"Setting breakpoint at {test_case.source_file}: {test_case.end_line}")
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()
@@ -274,7 +256,7 @@ def run_tests(executable_path: str, source_files: List[str], verbose: bool, inte
def execute_test_case(debugger: LLDBDebugger, test_case: TestCase, all_variable_names: Set[str]) -> CaseResult:
results = []
results: List[TestResult] = []
for test in test_case.tests:
if test.variable == "all variables":