btstack/tool/misc/fix-misra-12.1.py
2019-11-19 15:10:58 +01:00

71 lines
2.2 KiB
Python
Executable File

#!/usr/bin/env python3
import os
import sys
import re
import fileinput
import string
# find root
btstack_root = os.path.abspath(os.path.dirname(sys.argv[0]) + '/../../')
print(btstack_root)
# messages
cstat_file = 'cstat.txt'
# project prefix
project_prefix = 'c:\\projects\\iar\\btstack\\btstack\\'
def remove_whitespace(line):
return line.replace(' ','')
def add_parantheses(line, expression):
stripped_line = ''
positions = []
for (char,pos) in zip(line, range(len(line))):
if char in string.whitespace:
continue
stripped_line += char
positions.append(pos)
pos = stripped_line.find(expression)
if pos < 0:
return line
pos_start = positions[pos]
pos_end = positions[pos + len(expression)-1]
new_line = line[0:pos_start] + '(' + line[pos_start:pos_end+1] + ")" + line[pos_end+1:]
return new_line
def fix(path, lineno, expression):
full_path = btstack_root + "/" + path
print(full_path, lineno, expression)
for line in fileinput.input(full_path, inplace=True):
if fileinput.lineno() == lineno:
line = add_parantheses(line, expression)
sys.stdout.write(line)
with open(cstat_file, 'rt') as fin:
fixed = 0
total = 0
for line in fin:
chunks = line.strip().split('\t')
if len(chunks) != 4: continue
(msg, rule, severity, location) = chunks
if not rule.startswith('MISRAC2012-Rule-12.1'): continue
parts = re.match(".*Suggest parentheses.*`(.*)'", msg)
total += 1
expression = parts.groups()[0]
expression = remove_whitespace(expression)
# skip some expressions
if expression.endswith('=='): continue
if expression.endswith('!='): continue
if expression.endswith('>'): continue
if expression.endswith('<'): continue
if expression.endswith('>='): continue
if expression.endswith('<='): continue
# remove windows prefix
location = location.replace(project_prefix, '').replace('\\','/')
parts = location.split(':')
(path, lineno) = parts
fix(path, int(lineno), expression)
fixed += 1
print ("Fixed %u of %u messsages" % (fixed, total))