mirror of
https://github.com/RPCSX/mbuild.git
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7a97205bc5
Change-Id: Ic7e574227de72fd8068acb8af83b345b5b2dbf97 (cherry picked from commit 3ee19239e31f468eb380303885abef671baaac3e)
114 lines
3.4 KiB
Python
Executable File
114 lines
3.4 KiB
Python
Executable File
# -*- python -*-
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# Mark Charney
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#BEGIN_LEGAL
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#
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#Copyright (c) 2016 Intel Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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#END_LEGAL
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"""Function for header include scanning"""
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from __future__ import print_function
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import re
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import os
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import sys
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from . import base
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from . import util
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class mbuild_header_record_t:
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"""Stores information about headers that we find"""
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def __init__(self, fn, found=True):
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self.file_name = fn
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self.system = False
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self.found = found
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def __str__(self):
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s = ''
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s = self.file_name
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if self.system:
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s += ' system'
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if not self.found:
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s += ' not-found'
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return s
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def mbuild_compute_path(hname, search_path):
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"""Return the full path of the header hname, if found and None
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otherwise. Search the path in order and see if we find the file"""
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for p in search_path:
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tname = util.join(p,hname)
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tname = os.path.realpath(tname)
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#mbuild_base.msgb("TESTING", tname)
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if os.path.exists(tname):
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return tname
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return None
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# FIXME: ignoring system headers for now.
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mbuild_include_pattern = re.compile(r'^[ \t]*#[ \t]*include[ \t]+"(?P<hdr>[^"]+)"')
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mbuild_nasm_include_pattern = re.compile(r'^[ \t]*%include[ \t]+"(?P<hdr>[^"]+)"')
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is_py2 = sys.version[0] == '2'
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def _open_errors(fn):
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if is_py2:
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return open(fn, 'r')
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else:
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return open(fn, 'r', errors='ignore')
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def mbuild_scan(fn, search_path):
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"""Given a file name fn, and a list of search paths, scan for
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headers in fn and return a list of mbuild_header_record_t's. The
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header records indicate if the file is a system include based on
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<> symbols or if the file was missing. If the file cannot be
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found, we assume it is in the assumed_directory."""
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global mbuild_include_pattern
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global mbuild_nasm_include_pattern
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all_names = []
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if not os.path.exists(fn):
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return all_names
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source_path = os.path.dirname(fn)
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if source_path == '':
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source_path = '.'
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aug_search_path = [source_path] + search_path
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with _open_errors(fn) as f:
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for line in f:
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#print (line)
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hgroup = mbuild_include_pattern.match(line)
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if not hgroup:
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hgroup = mbuild_nasm_include_pattern.match(line)
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if hgroup:
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hname = hgroup.group('hdr')
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#print (hname)
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full_name = mbuild_compute_path(hname, aug_search_path)
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if full_name:
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hr = mbuild_header_record_t(full_name)
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else:
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hr = mbuild_header_record_t(hname, found=False)
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all_names.append(hr)
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return all_names
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def _test_scan():
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paths = ["/home/mjcharne/proj/learn/" ]
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all_headers = mbuild_scan("/home/mjcharne/proj/learn/foo.cpp", paths)
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for hr in all_headers:
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print (hr)
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if __name__ == '__main__':
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_test_scan()
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