DEPENDS on linter wrappers to get them exported to opensource

 DEPENDS on linter wrappers to get them exported to oss
commit_hash:286fa6981744f667a509749a33afcc3421903842

1 files changed, 80 insertions, 0 deletions

diff --git a/tools/cpp_style_checker/wrapper.py b/tools/cpp_style_checker/wrapper.py
new file mode 100644
index 00000000000..fe09bc6cb3c
--- /dev/null
+++ b/tools/cpp_style_checker/wrapper.py
@@ -0,0 +1,80 @@
+import difflib
+import os
+import subprocess
+import time
+from pathlib import PurePath
+
+from build.plugins.lib.test_const import CLANG_FORMAT_RESOURCE
+from library.python.testing.custom_linter_util import linter_params, reporter
+from library.python.testing.style import rules
+
+
+def main():
+    params = linter_params.get_params()
+
+    if 'custom_clang_format' in params.extra_params:
+        dep_result = next(
+            (
+                PurePath(params.depends[dep])
+                for dep in params.depends
+                if str(PurePath(dep).parent) == params.extra_params['custom_clang_format']
+            ),
+            None,
+        )
+        if dep_result is None:
+            raise Exception('Could not find clang-format binary')
+
+        if 'custom_clang_format_bin' in params.extra_params:
+            # dep_result is not a clang-format binary (package etc)
+            clang_format_binary = str(dep_result.parent / params.extra_params['custom_clang_format_bin'])
+        else:
+            # dep_result is a clang-format binary
+            clang_format_binary = str(dep_result)
+    else:
+        clang_format_binary = os.path.join(params.global_resources[CLANG_FORMAT_RESOURCE], 'clang-format')
+
+    style_config_path = params.configs[0]
+
+    report = reporter.LintReport()
+    for file_name in params.files:
+        start_time = time.perf_counter()
+        status, message = check_file(clang_format_binary, style_config_path, file_name)
+        elapsed = time.perf_counter() - start_time
+        report.add(file_name, status, message, elapsed=elapsed)
+
+    report.dump(params.report_file)
+
+
+def check_file(clang_format_binary, style_config_path, filename):
+    with open(filename, "rb") as f:
+        actual_source = f.read()
+
+    skip_reason = rules.get_skip_reason(filename, actual_source, skip_links=False)
+    if skip_reason:
+        return reporter.LintStatus.SKIPPED, "Style check is omitted: {}".format(skip_reason)
+
+    command = [clang_format_binary, '-assume-filename=' + filename, '-style=file:' + style_config_path]
+    styled_source = subprocess.check_output(command, input=actual_source)
+
+    if styled_source == actual_source:
+        return reporter.LintStatus.GOOD, ""
+    else:
+        diff = make_diff(actual_source, styled_source)
+        return reporter.LintStatus.FAIL, diff
+
+
+def make_diff(left, right):
+    result = ""
+    for line in difflib.unified_diff(left.decode().splitlines(), right.decode().splitlines(), fromfile='L', tofile='R'):
+        line = line.rstrip("\n")
+        if line:
+            if line[0] == "-":
+                line = "[[bad]]" + line + "[[rst]]"
+            elif line[0] == "+":
+                line = "[[good]]" + line + "[[rst]]"
+        result += line + "\n"
+    return result
+
+
+if __name__ == "__main__":
+    main()