FreeCAD WebAssembly development snapshot

tools/lint/cpplint.py

@@ -0,0 +1,90 @@
+#!/usr/bin/env python3
+import argparse
+import sys
+import os
+import re
+import logging
+from utils import (
+    run_command,
+    init_environment,
+    write_file,
+    append_file,
+    emit_problem_matchers,
+    add_common_arguments,
+)
+
+DEFAULT_LINE_LENGTH_LIMIT = 100
+
+def load_cpplint_filters(conf_file="cpplint.cfg"):
+    """Load cpplint filters from a configuration file."""
+    try:
+        with open(conf_file, "r", encoding="utf-8") as f:
+            filters = f.read().strip()
+            return filters
+    except Exception as e:
+        logging.warning(f"Could not load {conf_file}: {e}")
+        return ""
+
+def count_cpplint_errors(log_text: str) -> int:
+    """
+    Count the number of cpplint error/warning lines.
+    """
+    matches = re.findall(r"\[[0-9]+\]$", log_text, re.MULTILINE)
+    return len(matches)
+
+def generate_markdown_report(aggregated_output: str, errors_count: int) -> str:
+    """Generate a Markdown report section based on cpplint output and error count."""
+    report_lines = []
+    if errors_count > 0:
+        report_lines.append(
+            f"<details><summary>:warning: CppLint found {errors_count} errors / warnings</summary>"
+        )
+    else:
+        report_lines.append(
+            "<details><summary>:heavy_check_mark: No cpplint errors found </summary>"
+        )
+    report_lines.append("")
+    report_lines.append("````")
+    report_lines.append(aggregated_output)
+    report_lines.append("````")
+    report_lines.append("</details>")
+    report_lines.append("")
+    return "\n".join(report_lines)
+
+def main():
+    parser = argparse.ArgumentParser(
+        description="Run cpplint on provided C++ files and append a Markdown report."
+    )
+    add_common_arguments(parser)
+    args = parser.parse_args()
+    init_environment(args)
+
+    run_command(["pip", "install", "-q", "cpplint"], check=True)
+
+    cpplint_filters = load_cpplint_filters("cpplint.cfg")
+
+    aggregated_output = ""
+    for file in args.files.split():
+        cmd = [
+            "cpplint",
+            f"--filters={cpplint_filters}",
+            f"--linelength={DEFAULT_LINE_LENGTH_LIMIT}",
+            file,
+        ]
+        stdout, stderr, _ = run_command(cmd)
+        aggregated_output += stdout + stderr + "\n"
+
+    cpplint_log = os.path.join(args.log_dir, "cpplint.log")
+    write_file(cpplint_log, aggregated_output)
+    emit_problem_matchers(cpplint_log, "cpplint.json", "cpplint")
+
+    errors_count = count_cpplint_errors(aggregated_output)
+    logging.info(f"Found {errors_count} cpplint errors")
+
+    report = generate_markdown_report(aggregated_output, errors_count)
+    append_file(args.report_file, report)
+
+    sys.exit(0 if errors_count == 0 else 1)
+
+if __name__ == "__main__":
+    main()