diff options
Diffstat (limited to 'Scripts/cstyle.py')
| -rwxr-xr-x | Scripts/cstyle.py | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/Scripts/cstyle.py b/Scripts/cstyle.py new file mode 100755 index 0000000..79431d4 --- /dev/null +++ b/Scripts/cstyle.py @@ -0,0 +1,143 @@ +#!/usr/bin/python +# +# Copyright (C) 2005-2012 Erik de Castro Lopo <erikd@mega-nerd.com> +# +# Released under the 2 clause BSD license. + +import re, string, sys + +# Take a line and split it ont the double quoted strings so we can test the +# non double quotes strings for double spaces. +def split_string_on_quoted_str (line): + for k in range (0, len (line)): + if line [k] == '"': + start = k + for k in range (start + 1, len (line)): + if line [k] == '"' and line [k - 1] != '\\': + return [line [:start + 1]] + split_string_on_quoted_str (line [k:]) + return [line] + +class cstyle_checker: + def __init__ (self): + self.error_count = 0 + + def get_error_count (self): + return self.error_count + + def check_file (self, filename): + self.filename = filename + self.file = open (filename, "r") + self.line_num = 0 + comment_nest = 0 + + self.line_num = 1 + while 1: + line = self.file.readline () + if not line: + break + + orig_line = line.rstrip (line) + # Delete C++ style comments. + line = re.sub ("([ ]{1}|\t*)//.*", '', "".join (split_string_on_quoted_str (line))) + + # Handle comments. + open_comment = line.find ('/*') + close_comment = line.find ('*/') + if comment_nest > 0 and close_comment < 0: + line = "" + elif open_comment >= 0 and close_comment < 0: + line = line [:open_comment] + comment_nest += 1 + elif open_comment < 0 and close_comment >= 0: + line = line [close_comment:] + comment_nest -= 1 + elif open_comment >= 0 and close_comment > 0: + line = line [:open_comment] + line [close_comment:] + + # Check for errors finding comments. + if comment_nest < 0 or comment_nest > 1: + print ("Weird") + sys.exit (1) + elif comment_nest == 0: + # If wer're not inside comments, check the line. + self.line_checks (line, orig_line) + self.line_num += 1 + + self.file.close () + self.filename = None + return + + def line_checks (self, line, orig_line): + # print (line, end = "") + + # Check for error which occur in comments abd code. + if re.search ("[ \t]+$", line): + self.error ("contains trailing whitespace") + + if line.find (" ") >= 0: + self.error ("multiple space instead of tab") + + if re.search ("[^ ];", line): + self.error ("missing space before semi-colon") + + # The C #define requires that there be no spaces in the + # first argument, remove first part of line. + if re.search ("\s*#\s*define\s+", line): + line = re.sub ("\s*#\s*define\s+[^\s]+", '', line) + + # Open and close parenthesis. + if re.search ("[^\s\(\[\*&']\(", line): + self.error ("missing space before open parenthesis") + if re.search ("\)-[^>]", line) or re.search ("\)[^,'\s\n\)\]-]", line): + self.error ("missing space after close parenthesis") + + # Open and close square brace. + if re.search ("[^\s\(\]]\[", line): + self.error ("missing space before open square brace") + if re.search ("\][^,\)\]\[\s\.-]", line): + self.error ("missing space after close square brace") + + if re.search ("[^\s][\*/%+-][=][^\s]", line): + self.error ("missing space around [*/%+-][=]") + + if re.search ("[^\s][<>!=^/][=]{1,2}[^\s]", line): + self.error ("missing space around comparison") + + if re.search ("[a-zA-Z0-9][<>!=^/]{1,2}[a-zA-Z0-9]", line): + if not re.search (".*#include.*[a-zA-Z0-9]/[a-zA-Z]", line): + self.error ("missing space around operator") + + if re.search (";[a-zA-Z0-9]", line): + self.error ("missing space after semi-colon") + + # Space after comma + if re.search (",[^\s\n]", line): + self.error ("missing space after comma") + + if re.search ("\s(do|for|if|when)\s.*{$", line): + self.error ("trailing open parenthesis should be on the next line") + + return + + def error (self, msg): + print ("%s (%d) : %s" % (self.filename, self.line_num, msg)) + self.error_count += 1 + +#-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- + +if len (sys.argv) < 1: + print ("Usage : yada yada") + sys.exit (1) + +# Create a ner cstyle_checker object +cstyle = cstyle_checker () + +error_count = 0 +for filename in sys.argv [1:]: + cstyle.check_file (filename) + +if cstyle.get_error_count (): + sys.exit (1) + +sys.exit (0) + |