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#!/usr/bin/env python3
# Copyright 2025 Yingwei Zheng
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import llvm_helper
import os
import json
from unidiff import PatchSet
bug_type = {
"miscompilation": 0,
"crash": 0,
"hang": 0,
}
components = {}
labels = {}
count = 0
changed_files_count = []
ins_lines_count = []
del_lines_count = []
test_count = []
single_file_fix_count = 0
single_function_fix_count = 0
single_hunk_fix_count = 0
verified_count = 0
for name in os.listdir(llvm_helper.dataset_dir):
if name.endswith(".json"):
file = os.path.join(llvm_helper.dataset_dir, name)
with open(file) as f:
data = json.load(f)
count += 1
bug_type[data["bug_type"]] += 1
hints = data["hints"]
for component in hints["components"]:
if component not in components:
components[component] = 1
else:
components[component] += 1
changed_files = len(hints["bug_location_lineno"])
changed_files_count.append(changed_files)
if changed_files == 1:
single_file_fix_count += 1
issue = data["issue"]
for label in issue["labels"]:
if label not in labels:
labels[label] = 1
else:
labels[label] += 1
ins_lines = 0
del_lines = 0
patchset = PatchSet(data["patch"])
hunk_count = 0
for patch in patchset:
for hunk in patch:
hunk_count += 1
ins_lines += hunk.added
del_lines += hunk.removed
if hunk_count == 1:
single_hunk_fix_count += 1
ins_lines_count.append(ins_lines)
del_lines_count.append(del_lines)
test_num = 0
for test in data["tests"]:
test_num += len(test["tests"])
test_count.append(test_num)
bug_func = data["hints"]["bug_location_funcname"]
bug_func_count = 0
for k, v in bug_func.items():
bug_func_count += len(v)
if bug_func_count == 1 or hunk_count == 1:
single_function_fix_count += 1
if data.get("verified", False):
verified_count += 1
print(f"Total issues: {count}")
print(f"Verified issues: {verified_count} ({verified_count/count*100.0:.2f}%)")
print("\nBug type summary:")
for k, v in bug_type.items():
print(f" {k}: {v}")
print(f"\nBug component summary (Total = {len(components)}):")
for k, v in sorted(components.items(), key=lambda x: x[1], reverse=True):
print(f" {k}: {v}")
print("\nLabel summary:")
for k, v in sorted(labels.items(), key=lambda x: x[1], reverse=True):
print(f" {k}: {v}")
print("\nChanged files count summary:")
print(f" Average: {sum(changed_files_count) / count:.2f}")
print(f" Max: {max(changed_files_count)}")
print(f" Min: {min(changed_files_count)}")
print(f" Median: {sorted(changed_files_count)[count // 2]}")
print("\nInserted lines summary:")
print(f" Average: {sum(ins_lines_count) / count:.2f}")
print(f" Max: {max(ins_lines_count)}")
print(f" Min: {min(ins_lines_count)}")
print(f" Median: {sorted(ins_lines_count)[count // 2]}")
print("\nDeleted lines summary:")
print(f" Average: {sum(del_lines_count) / count:.2f}")
print(f" Max: {max(del_lines_count)}")
print(f" Min: {min(del_lines_count)}")
print(f" Median: {sorted(del_lines_count)[count // 2]}")
print("\nTest count summary:")
print(f" Average: {sum(test_count) / count:.2f}")
print(f" Max: {max(test_count)}")
print(f" Min: {min(test_count)}")
print(f" Median: {sorted(test_count)[count // 2]}")
print("\nPatch summary:")
print(
f" Single file fix: {single_file_fix_count} ({single_file_fix_count/count*100.0:.2f}%)"
)
print(
f" Single func fix: {single_function_fix_count} ({single_function_fix_count/count*100.0:.2f}%)"
)
print(
f" Single hunk fix: {single_hunk_fix_count} ({single_hunk_fix_count/count*100.0:.2f}%)"
)
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