FM / pycparser

/usr/lib/python2.6/site-packages/pycparser/

/usr/lib/python2.6/site-packages/pycparser

Name	Size	Mode	Actions
ply/	-	0755	rm
ast_transforms.py	3568	0644	edit dl rm
ast_transforms.pyc	2816	0644	edit dl rm
c_ast.py	23336	0644	edit dl rm
c_ast.pyc	35457	0644	edit dl rm
c_generator.py	13570	0644	edit dl rm
c_generator.pyc	19018	0644	edit dl rm
c_lexer.py	14447	0644	edit dl rm
c_lexer.pyc	15467	0644	edit dl rm
c_parser.py	62212	0644	edit dl rm
c_parser.pyc	64385	0644	edit dl rm
lextab.py	7457	0644	edit dl rm
lextab.pyc	7109	0644	edit dl rm
plyparser.py	1594	0644	edit dl rm
plyparser.pyc	2658	0644	edit dl rm
yacctab.py	129568	0644	edit dl rm
yacctab.pyc	101846	0644	edit dl rm
_ast_gen.py	8663	0644	edit dl rm
_ast_gen.pyc	9480	0644	edit dl rm
_build_tables.py	851	0644	edit dl rm
_build_tables.pyc	637	0644	edit dl rm
_c_ast.cfg	4180	0644	edit dl rm
__init__.py	2903	0644	edit dl rm
__init__.pyc	2897	0644	edit dl rm

Edit: /usr/lib/python2.6/site-packages/pycparser/__init__.py (2903B)

from subprocess import Popen, PIPE
from .c_parser import CParser

def preprocess_file(filename, cpp_path='cpp', cpp_args=''):
    """ Preprocess a file using cpp.

filename:
            Name of the file you want to preprocess.

cpp_path:
        cpp_args:
            Refer to the documentation of parse_file for the meaning of these
            arguments.

When successful, returns the preprocessed file's contents.
        Errors from cpp will be printed out.
    """
    path_list = [cpp_path]
    if isinstance(cpp_args, list):
        path_list += cpp_args
    elif cpp_args != '':
        path_list += [cpp_args]
    path_list += [filename]

try:
        # Note the use of universal_newlines to treat all newlines
        # as \n for Python's purpose
        #
        pipe = Popen(   path_list,
                        stdout=PIPE,
                        universal_newlines=True)
        text = pipe.communicate()[0]
    except OSError as e:
        raise RuntimeError("Unable to invoke 'cpp'.  " +
            'Make sure its path was passed correctly\n' +
            ('Original error: %s' % e))

return text

def parse_file(filename, use_cpp=False, cpp_path='cpp', cpp_args='',
               parser=None):
    """ Parse a C file using pycparser.

filename:
            Name of the file you want to parse.

use_cpp:
            Set to True if you want to execute the C pre-processor
            on the file prior to parsing it.

cpp_path:
            If use_cpp is True, this is the path to 'cpp' on your
            system. If no path is provided, it attempts to just
            execute 'cpp', so it must be in your PATH.

cpp_args:
            If use_cpp is True, set this to the command line arguments strings
            to cpp. Be careful with quotes - it's best to pass a raw string
            (r'') here. For example:
            r'-I../utils/fake_libc_include'
            If several arguments are required, pass a list of strings.

parser:
            Optional parser object to be used instead of the default CParser

When successful, an AST is returned. ParseError can be
        thrown if the file doesn't parse successfully.

Errors from cpp will be printed out.
    """
    if use_cpp:
        text = preprocess_file(filename, cpp_path, cpp_args)
    else:
        with open(filename, 'rU') as f:
            text = f.read()

if parser is None:
        parser = CParser()
    return parser.parse(text, filename)

#----------------------------------------------------------------- # pycparser: __init__.py # # This package file exports some convenience functions for # interacting with pycparser # # Copyright (C) 2008-2015, Eli Bendersky # License: BSD #----------------------------------------------------------------- __all__ = ['c_lexer', 'c_parser', 'c_ast'] __version__ = '2.14' from subprocess import Popen, PIPE from .c_parser import CParser def preprocess_file(filename, cpp_path='cpp', cpp_args=''): """ Preprocess a file using cpp. filename: Name of the file you want to preprocess. cpp_path: cpp_args: Refer to the documentation of parse_file for the meaning of these arguments. When successful, returns the preprocessed file's contents. Errors from cpp will be printed out. """ path_list = [cpp_path] if isinstance(cpp_args, list): path_list += cpp_args elif cpp_args != '': path_list += [cpp_args] path_list += [filename] try: # Note the use of universal_newlines to treat all newlines # as \n for Python's purpose # pipe = Popen( path_list, stdout=PIPE, universal_newlines=True) text = pipe.communicate()[0] except OSError as e: raise RuntimeError("Unable to invoke 'cpp'. " + 'Make sure its path was passed correctly\n' + ('Original error: %s' % e)) return text def parse_file(filename, use_cpp=False, cpp_path='cpp', cpp_args='', parser=None): """ Parse a C file using pycparser. filename: Name of the file you want to parse. use_cpp: Set to True if you want to execute the C pre-processor on the file prior to parsing it. cpp_path: If use_cpp is True, this is the path to 'cpp' on your system. If no path is provided, it attempts to just execute 'cpp', so it must be in your PATH. cpp_args: If use_cpp is True, set this to the command line arguments strings to cpp. Be careful with quotes - it's best to pass a raw string (r'') here. For example: r'-I../utils/fake_libc_include' If several arguments are required, pass a list of strings. parser: Optional parser object to be used instead of the default CParser When successful, an AST is returned. ParseError can be thrown if the file doesn't parse successfully. Errors from cpp will be printed out. """ if use_cpp: text = preprocess_file(filename, cpp_path, cpp_args) else: with open(filename, 'rU') as f: text = f.read() if parser is None: parser = CParser() return parser.parse(text, filename)