| # Copyright 2026 The Fuchsia Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| def gn_no_print(ctx): |
| """Warns if .gn or .gni files contain print() statements.""" |
| for path, meta in ctx.scm.affected_files(glob = ["*.gn", "*.gni"]).items(): |
| for num, line in meta.new_lines(): |
| if line.strip().startswith("#"): |
| continue |
| |
| # Match print( but ignore commented lines |
| matches = ctx.re.allmatches(r"(print\s*\()", line) |
| if matches: |
| ctx.emit.finding( |
| message = "Avoid print() in GN files. It pollutes stdout and breaks automated tools (like gndoc). Consider using temporary prints and removing them before landing.", |
| level = "warning", |
| filepath = path, |
| line = num, |
| col = matches[0].offset + 1, |
| ) |
| break # Only one finding per file to reduce noise. |
