rust/src/etc/tidy.py
2012-04-17 12:02:36 -07:00

45 lines
1.4 KiB
Python

#!/usr/bin/env python
import sys, fileinput, subprocess
err=0
cols=78
# Be careful to support Python 2.4, 2.6, and 3.x here!
config_proc=subprocess.Popen([ "git", "config", "core.autocrlf" ],
stdout=subprocess.PIPE)
result=config_proc.communicate()[0]
true="true".encode('utf8')
autocrlf=result.strip() == true if result is not None else False
def report_err(s):
global err
print("%s:%d: %s" % (fileinput.filename(), fileinput.filelineno(), s))
err=1
file_names = [s for s in sys.argv[1:] if not s.endswith("_gen.rs")]
try:
for line in fileinput.input(file_names,
openhook=fileinput.hook_encoded("utf-8")):
if (line.find('\t') != -1 and
fileinput.filename().find("Makefile") == -1):
report_err("tab character")
if not autocrlf and line.find('\r') != -1:
report_err("CR character")
if line.endswith(" \n") or line.endswith("\t\n"):
report_err("trailing whitespace")
line_len = len(line)-2 if autocrlf else len(line)-1
# Along long lines if they are part of an expected error message
# in a test, which is denoted with "//!":
if line_len > cols and "//!" not in line:
report_err("line longer than %d chars" % cols)
except UnicodeDecodeError, e:
report_err("UTF-8 decoding error " + str(e))
sys.exit(err)