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#!/usr/bin/env python
#
# Copyright (c) Vicent Marti. All rights reserved.
#
# This file is part of clar, distributed under the ISC license.
# For full terms see the included COPYING file.
#
from __future__ import with_statement
from string import Template
import re, fnmatch, os, codecs, pickle
class Module(object):
class Template(object):
def __init__(self, module):
self.module = module
def _render_callback(self, cb):
if not cb:
return ' { NULL, NULL }'
return ' { "%s", &%s }' % (cb['short_name'], cb['symbol'])
class DeclarationTemplate(Template):
def render(self):
out = "\n".join("extern %s;" % cb['declaration'] for cb in self.module.callbacks) + "\n"
if self.module.initialize:
out += "extern %s;\n" % self.module.initialize['declaration']
if self.module.cleanup:
out += "extern %s;\n" % self.module.cleanup['declaration']
return out
class CallbacksTemplate(Template):
def render(self):
out = "static const struct clar_func _clar_cb_%s[] = {\n" % self.module.name
out += ",\n".join(self._render_callback(cb) for cb in self.module.callbacks)
out += "\n};\n"
return out
class InfoTemplate(Template):
def render(self):
return Template(
r"""
{
"${clean_name}",
${initialize},
${cleanup},
${cb_ptr}, ${cb_count}, ${enabled}
}"""
).substitute(
clean_name = self.module.clean_name(),
initialize = self._render_callback(self.module.initialize),
cleanup = self._render_callback(self.module.cleanup),
cb_ptr = "_clar_cb_%s" % self.module.name,
cb_count = len(self.module.callbacks),
enabled = int(self.module.enabled)
)
def __init__(self, name):
self.name = name
self.enabled = True
def clean_name(self):
return self.name.replace("_", "::")
def _skip_comments(self, text):
SKIP_COMMENTS_REGEX = re.compile(
r'//.*?$|/\*.*?\*/|\'(?:\\.|[^\\\'])*\'|"(?:\\.|[^\\"])*"',
re.DOTALL | re.MULTILINE)
def _replacer(match):
s = match.group(0)
return "" if s.startswith('/') else s
return re.sub(SKIP_COMMENTS_REGEX, _replacer, text)
def parse(self, contents):
TEST_FUNC_REGEX = r"^(void\s+(test_%s__(\w+))\(\s*void\s*\))\s*\{"
contents = self._skip_comments(contents)
regex = re.compile(TEST_FUNC_REGEX % self.name, re.MULTILINE)
self.callbacks = []
self.initialize = None
self.cleanup = None
for (declaration, symbol, short_name) in regex.findall(contents):
data = {
"short_name" : short_name,
"declaration" : declaration,
"symbol" : symbol
}
if short_name == 'initialize':
self.initialize = data
elif short_name == 'cleanup':
self.cleanup = data
else:
self.callbacks.append(data)
return self.callbacks != []
def load(self, path):
try:
with open(path) as fp:
return self.parse(fp.read())
except IOError:
return False
class TestSuite(object):
def __init__(self, path):
self.path = path
def find_modules(self):
modules = []
for root, _, files in os.walk(self.path):
module_root = root[len(self.path):]
module_root = [c for c in module_root.split(os.sep) if c]
tests_in_module = fnmatch.filter(files, "*.c")
for test_file in tests_in_module:
full_path = os.path.join(root, test_file)
module_name = "_".join(module_root + [test_file[:-2]])
modules.append((full_path, module_name))
return modules
def load(self, force = False):
module_data = self.find_modules()
self.modules = {}
for path, name in module_data:
if name not in self.modules:
self.modules[name] = Module(name)
if not self.modules[name].load(path):
del self.modules[name]
def disable(self, excluded):
for exclude in excluded:
for module in self.modules.values():
name = module.clean_name()
if name.startswith(exclude):
module.enabled = False
module.modified = True
def suite_count(self):
return len(self.modules)
def callback_count(self):
return sum(len(module.callbacks) for module in self.modules.values())
def write(self):
output = os.path.join(self.path, 'clar.suite')
with open(output, 'w') as data:
for module in self.modules.values():
t = Module.DeclarationTemplate(module)
data.write(t.render())
for module in self.modules.values():
t = Module.CallbacksTemplate(module)
data.write(t.render())
suites = "static struct clar_suite _clar_suites[] = {" + ','.join(
Module.InfoTemplate(module).render() for module in sorted(self.modules.values(), key=lambda module: module.name)
) + "\n};\n"
data.write(suites)
data.write("static const size_t _clar_suite_count = %d;\n" % self.suite_count())
data.write("static const size_t _clar_callback_count = %d;\n" % self.callback_count())
if __name__ == '__main__':
from optparse import OptionParser
parser = OptionParser()
parser.add_option('-x', '--exclude', dest='excluded', action='append', default=[])
options, args = parser.parse_args()
for path in args or ['.']:
suite = TestSuite(path)
suite.load()
suite.disable(options.excluded)
suite.write()
print("Written `clar.suite` (%d suites)" % len(suite.modules))
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