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132 lines
4.2 KiB
132 lines
4.2 KiB
import argparse
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import os
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import subprocess
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import traceback
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MODULE_NAME = 'make/cc/clang/gcc'
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MODULE_DESCRIPTION = '''Run analysis of code built with commands like:
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make [target]
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clang [compiler_options] <filename>
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gcc [compiler_options] <filename>
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cc [compiler_options] <filename>
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Analysis examples:
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infer -- make all
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infer -- clang -c srcfile.m
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infer -- gcc -c srcfile.c'''
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def gen_instance(*args):
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return MakeCapture(*args)
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def mkdir_if_not_exists(path):
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if not os.path.exists(path):
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os.mkdir(path)
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def create_argparser(group_name=MODULE_NAME):
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"""This defines the set of arguments that get added by this module to the
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set of global args defined in the infer top-level module
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Do not use this function directly, it should be invoked by the infer
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top-level module"""
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parser = argparse.ArgumentParser(add_help=False)
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group = parser.add_argument_group(
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"{grp} module".format(grp=MODULE_NAME),
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description=MODULE_DESCRIPTION,
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)
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group.add_argument(
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'-hd', '--headers',
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action='store_true',
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help='Analyze code in header files',
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)
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group.add_argument(
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'--models_mode',
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action='store_true',
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dest='models_mode',
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help='Mode for computing the models',
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)
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group.add_argument(
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'--no_failures_allowed',
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action='store_true',
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dest='no_failures_allowed',
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help='Fail if at least one of the translations fails',
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)
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group.add_argument(
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'-tm', '--testing_mode',
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dest='testing_mode',
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action='store_true',
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help='Testing mode for the translation: Do not translate libraries'
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' (including enums)')
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group.add_argument(
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'-fs', '--frontend-stats',
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dest='frontend_stats',
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action='store_true',
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help='Output statistics about the capture phase to *.o.astlog')
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group.add_argument(
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'-fd', '--frontend-debug',
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dest='frontend_debug',
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action='store_true',
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help='Output debugging information to *.o.astlog during capture')
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return parser
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class MakeCapture:
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def __init__(self, args, cmd):
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self.args = args
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self.cmd = [os.path.basename(cmd[0])] + cmd[1:]
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def create_results_dir(self):
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results_dir = self.args.infer_out
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mkdir_if_not_exists(results_dir)
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mkdir_if_not_exists(os.path.join(results_dir, 'specs'))
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mkdir_if_not_exists(os.path.join(results_dir, 'captured'))
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mkdir_if_not_exists(os.path.join(results_dir, 'sources'))
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def get_envvars(self):
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env_vars = dict(os.environ)
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env_vars['INFER_RESULTS_DIR'] = self.args.infer_out
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wrappers_path = os.path.join(
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os.path.dirname(os.path.realpath(__file__)), '..', 'wrappers')
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env_vars['INFER_OLD_PATH'] = env_vars['PATH']
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env_vars['PATH'] = '{wrappers}{sep}{path}'.format(
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wrappers=wrappers_path,
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sep=os.pathsep,
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path=env_vars['PATH'],
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)
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return env_vars
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def capture(self):
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self.create_results_dir()
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env_vars = self.get_envvars()
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frontend_args = []
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if self.args.headers:
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frontend_args.append('-headers')
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if self.args.models_mode:
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frontend_args.append('-models_mode')
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if self.args.project_root:
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frontend_args += ['-project_root', self.args.project_root]
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if self.args.testing_mode:
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frontend_args.append('-testing_mode')
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if self.args.frontend_debug:
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frontend_args += ['-debug']
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env_vars['FCP_DEBUG_MODE'] = '1'
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if self.args.frontend_stats:
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frontend_args += ['-stats']
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env_vars['FCP_DEBUG_MODE'] = '1'
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if self.args.no_failures_allowed:
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env_vars['FCP_REPORT_FRONTEND_FAILURE'] = '1'
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# export an env variable with all the arguments to pass to InferClang
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env_vars['FCP_INFER_FRONTEND_ARGS'] = ' '.join(frontend_args)
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try:
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subprocess.check_call(self.cmd, env=env_vars)
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return os.EX_OK
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except subprocess.CalledProcessError as exc:
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if self.args.debug:
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traceback.print_exc()
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return exc.returncode
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