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https://git.rtems.org/rtems-tools/
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863 lines
32 KiB
Python
863 lines
32 KiB
Python
#
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# RTEMS Tools Project (http://www.rtems.org/)
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# Copyright 2010-2016 Chris Johns (chrisj@rtems.org)
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# All rights reserved.
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#
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# This file is part of the RTEMS Tools package in 'rtems-tools'.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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#
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# This code is based on a tool I wrote to parse RPM spec files in the RTEMS
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# project. This is now a configuration file format that has moved away from the
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# spec file format to support the specific needs of cross-compiling GCC. This
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# module parses a configuration file into Python data types that can be used by
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# other software modules.
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#
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from __future__ import print_function
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import copy
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import functools
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import os
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import re
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import sys
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from rtemstoolkit import error
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from rtemstoolkit import execute
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from rtemstoolkit import host
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from rtemstoolkit import log
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from rtemstoolkit import options
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from rtemstoolkit import path
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def _check_bool(value):
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if value.isdigit():
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if int(value) == 0:
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istrue = False
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else:
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istrue = True
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else:
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istrue = None
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return istrue
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class file(object):
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"""Parse a config file."""
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def __init__(self, name, opts, macros = None, directives = None, ignores = None):
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self.opts = opts
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if macros is None:
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self.macros = opts.defaults
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else:
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self.macros = macros
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self.init_name = name
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self.directives = ['%include']
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if directives:
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self.directives += directives
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self.ignores = ignores
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log.trace('config: %s' % (name))
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self.disable_macro_reassign = False
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self.configpath = []
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self.wss = re.compile(r'\s+')
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self.tags = re.compile(r':+')
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self.sf = re.compile(r'%\([^\)]+\)')
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for arg in self.opts.args:
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if arg.startswith('--with-') or arg.startswith('--without-'):
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label = arg[2:].lower().replace('-', '_')
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self.macros.define(label)
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self._includes = []
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self.load_depth = 0
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self.lc = 0
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self.name = 'none'
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def __del__(self):
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pass
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def __str__(self):
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def _dict(dd):
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s = ''
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ddl = list(dd.keys())
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ddl.sort()
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for d in ddl:
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s += ' ' + d + ': ' + dd[d] + '\n'
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return s
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s = 'config: %s' % ('.'.join(self.configpath)) + \
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'\n' + str(self.opts) + \
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'\nlines parsed: %d' % (self.lc) + \
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'\nname: ' + self.name + \
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'\nmacros:\n' + str(self.macros)
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return s
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def _name_line_msg(self, msg):
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return '%s:%d: %s' % (path.basename(self.init_name), self.lc, msg)
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def _output(self, text):
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if not self.opts.quiet():
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log.output(text)
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def _error(self, msg):
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err = 'error: %s' % (self._name_line_msg(msg))
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log.stderr(err)
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log.output(err)
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self.in_error = True
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if not self.opts.dry_run():
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log.stderr('warning: switched to dry run due to errors')
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self.opts.set_dry_run()
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def _label(self, name):
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if name.startswith('%{') and name[-1] == '}':
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return name
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return '%{' + name.lower() + '}'
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def _macro_split(self, s):
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'''Split the string (s) up by macros. Only split on the
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outter level. Nested levels will need to split with futher calls.'''
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trace_me = False
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if trace_me:
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print('------------------------------------------------------')
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macros = []
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nesting = []
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has_braces = False
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c = 0
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while c < len(s):
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if trace_me:
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print('ms:', c, '"' + s[c:] + '"', has_braces, len(nesting), nesting)
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#
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# We need to watch for shell type variables or the form '${var}' because
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# they can upset the brace matching.
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#
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if s[c] == '%' or s[c] == '$':
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start = s[c]
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c += 1
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if c == len(s):
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continue
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#
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# Do we have '%%' or '%(' or '$%' or '$(' or not '${' ?
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#
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if s[c] == '%' or s[c] == '(' or (start == '$' and s[c] != '{'):
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continue
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elif not s[c].isspace():
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#
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# If this is a shell macro and we are at the outter
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# level or is '$var' forget it and move on.
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#
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if start == '$' and (s[c] != '{' or len(nesting) == 0):
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continue
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if s[c] == '{':
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this_has_braces = True
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else:
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this_has_braces = False
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nesting.append((c - 1, has_braces))
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has_braces = this_has_braces
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elif len(nesting) > 0:
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if s[c] == '}' or (s[c].isspace() and not has_braces):
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#
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# Can have '%{?test: something %more}' where the
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# nested %more ends with the '}' which also ends
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# the outter macro.
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#
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if not has_braces:
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if s[c] == '}':
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macro_start, has_braces = nesting[len(nesting) - 1]
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nesting = nesting[:-1]
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if len(nesting) == 0:
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macros.append(s[macro_start:c].strip())
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if len(nesting) > 0:
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macro_start, has_braces = nesting[len(nesting) - 1]
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nesting = nesting[:-1]
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if len(nesting) == 0:
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macros.append(s[macro_start:c + 1].strip())
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c += 1
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if trace_me:
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print('ms:', macros)
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if trace_me:
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print('-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=')
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return macros
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def _shell(self, line):
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sl = self.sf.findall(line)
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if len(sl):
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e = execute.capture_execution()
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for s in sl:
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if host.is_windows:
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cmd = '%s -c "%s"' % (self.macros.expand('%{__sh}'), s[2:-1])
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else:
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cmd = s[2:-1]
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exit_code, proc, output = e.shell(cmd)
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if exit_code == 0:
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line = line.replace(s, output)
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else:
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raise error.general('shell macro failed: %s:%d: %s' % (s, exit_code, output))
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return line
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def _expand(self, s):
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expand_count = 0
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expanded = True
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while expanded:
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expand_count += 1
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if expand_count > 500:
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raise error.general('macro expand looping: %s' % (s))
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expanded = False
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ms = self._macro_split(s)
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for m in ms:
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mn = m
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#
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# A macro can be '%{macro}' or '%macro'. Turn the later into
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# the former.
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#
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show_warning = True
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if mn[1] != '{':
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if self.ignores is not None:
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for r in self.ignores:
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if r.match(mn) is not None:
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mn = None
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break
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else:
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mn = self._label(mn[1:])
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show_warning = False
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else:
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mn = self._label(mn[1:])
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show_warning = False
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elif m.startswith('%{expand'):
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colon = m.find(':')
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if colon < 8:
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log.warning('malformed expand macro, no colon found')
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else:
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e = self._expand(m[colon + 1:-1].strip())
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s = s.replace(m, e)
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expanded = True
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mn = None
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elif m.startswith('%{with '):
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#
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# Change the ' ' to '_' because the macros have no spaces.
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#
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n = self._label('with_' + m[7:-1].strip())
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if n in self.macros:
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s = s.replace(m, '1')
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else:
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s = s.replace(m, '0')
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expanded = True
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mn = None
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elif m.startswith('%{echo'):
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if not m.endswith('}'):
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log.warning("malformed conditional macro '%s'" % (m))
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mn = None
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else:
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e = self._expand(m[6:-1].strip())
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log.output('%s' % (self._name_line_msg(e)))
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s = ''
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expanded = True
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mn = None
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elif m.startswith('%{defined'):
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n = self._label(m[9:-1].strip())
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if n in self.macros:
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s = s.replace(m, '1')
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else:
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s = s.replace(m, '0')
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expanded = True
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mn = None
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elif m.startswith('%{?') or m.startswith('%{!?'):
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if m[2] == '!':
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start = 4
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else:
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start = 3
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colon = m[start:].find(':')
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if colon < 0:
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if not m.endswith('}'):
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log.warning("malformed conditional macro '%s'" % (m))
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mn = None
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else:
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mn = self._label(m[start:-1])
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else:
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mn = self._label(m[start:start + colon])
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if mn:
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if m.startswith('%{?'):
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istrue = False
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if mn in self.macros:
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# If defined and 0 then it is false.
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istrue = _check_bool(self.macros[mn])
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if istrue is None:
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istrue = True
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if colon >= 0 and istrue:
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s = s.replace(m, m[start + colon + 1:-1])
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expanded = True
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mn = None
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elif not istrue:
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mn = '%{nil}'
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else:
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isfalse = True
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if mn in self.macros:
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istrue = _check_bool(self.macros[mn])
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if istrue is None or istrue == True:
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isfalse = False
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if colon >= 0 and isfalse:
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s = s.replace(m, m[start + colon + 1:-1])
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expanded = True
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mn = None
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else:
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mn = '%{nil}'
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if mn:
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if mn.lower() in self.macros:
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s = s.replace(m, self.macros[mn.lower()])
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expanded = True
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elif show_warning:
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self._error("macro '%s' not found" % (mn))
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return self._shell(s)
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def _disable(self, config, ls):
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if len(ls) != 2:
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log.warning('invalid disable statement')
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else:
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if ls[1] == 'select':
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self.macros.lock_read_map()
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log.trace('config: %s: _disable_select: %s' % (self.init_name, ls[1]))
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else:
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log.warning('invalid disable statement: %s' % (ls[1]))
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def _select(self, config, ls):
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if len(ls) != 2:
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log.warning('invalid select statement')
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else:
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r = self.macros.set_read_map(ls[1])
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log.trace('config: %s: _select: %s %s %r' % \
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(self.init_name, r, ls[1], self.macros.maps()))
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def _define(self, config, ls):
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if len(ls) <= 1:
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log.warning('invalid macro definition')
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else:
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d = self._label(ls[1])
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if self.disable_macro_reassign:
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if (d not in self.macros) or \
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(d in self.macros and len(self.macros[d]) == 0):
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if len(ls) == 2:
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self.macros[d] = '1'
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else:
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self.macros[d] = ' '.join([f.strip() for f in ls[2:]])
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else:
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log.warning("macro '%s' already defined" % (d))
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else:
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if len(ls) == 2:
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self.macros[d] = '1'
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else:
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self.macros[d] = ' '.join([f.strip() for f in ls[2:]])
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def _undefine(self, config, ls):
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if len(ls) <= 1:
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log.warning('invalid macro definition')
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else:
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mn = self._label(ls[1])
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if mn in self.macros:
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del self.macros[mn]
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else:
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log.warning("macro '%s' not defined" % (mn))
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def _ifs(self, config, ls, label, iftrue, isvalid, dir, info):
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in_iftrue = True
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data = []
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while True:
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if isvalid and \
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((iftrue and in_iftrue) or (not iftrue and not in_iftrue)):
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this_isvalid = True
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else:
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this_isvalid = False
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r = self._parse(config, dir, info, roc = True, isvalid = this_isvalid)
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if r[0] == 'control':
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if r[1] == '%end':
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self._error(label + ' without %endif')
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raise error.general('terminating build')
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if r[1] == '%endif':
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log.trace('config: %s: _ifs: %s %s' % (self.init_name, r[1], this_isvalid))
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return data
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if r[1] == '%else':
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in_iftrue = False
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elif r[0] == 'directive':
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if this_isvalid:
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if r[1] == '%include':
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self.load(r[2][0])
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continue
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dir, info, data = self._process_directive(r, dir, info, data)
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elif r[0] == 'data':
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if this_isvalid:
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dir, info, data = self._process_data(r, dir, info, data)
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else:
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dir, info, data = self._process_block(r, dir, info, data)
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# @note is a directive extend missing
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def _if(self, config, ls, isvalid, dir, info, invert = False):
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def add(x, y):
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return x + ' ' + str(y)
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istrue = False
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if isvalid:
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if len(ls) == 2:
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s = ls[1]
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else:
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s = (ls[1] + ' ' + ls[2])
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ifls = s.split()
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if len(ifls) == 1:
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#
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# Check if '%if %{x} == %{nil}' has both parts as nothing
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# which means '%if ==' is always True and '%if !=' is always false.
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#
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if ifls[0] == '==':
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istrue = True
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elif ifls[0] == '!=':
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istrue = False
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else:
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istrue = _check_bool(ifls[0])
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if istrue == None:
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self._error('invalid if bool value: ' + functools.reduce(add, ls, ''))
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istrue = False
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elif len(ifls) == 2:
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if ifls[0] == '!':
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istrue = _check_bool(ifls[1])
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if istrue == None:
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self._error('invalid if bool value: ' + functools.reduce(add, ls, ''))
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istrue = False
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else:
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istrue = not istrue
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else:
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#
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# Check is something is being checked against empty,
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# ie '%if %{x} == %{nil}'
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# The logic is 'something == nothing' is False and
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# 'something != nothing' is True.
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#
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if ifls[1] == '==':
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istrue = False
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elif ifls[1] == '!=':
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istrue = True
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else:
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self._error('invalid if bool operator: ' + functools.reduce(add, ls, ''))
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elif len(ifls) == 3:
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if ifls[1] == '==':
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if ifls[0] == ifls[2]:
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istrue = True
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else:
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istrue = False
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elif ifls[1] == '!=' or ifls[1] == '=!':
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if ifls[0] != ifls[2]:
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istrue = True
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else:
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istrue = False
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elif ifls[1] == '>':
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if ifls[0] > ifls[2]:
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istrue = True
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else:
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istrue = False
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elif ifls[1] == '>=' or ifls[1] == '=>':
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if ifls[0] >= ifls[2]:
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istrue = True
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else:
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istrue = False
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elif ifls[1] == '<=' or ifls[1] == '=<':
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if ifls[0] <= ifls[2]:
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istrue = True
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else:
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istrue = False
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elif ifls[1] == '<':
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if ifls[0] < ifls[2]:
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istrue = True
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else:
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istrue = False
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else:
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self._error('invalid %if operator: ' + functools.reduce(add, ls, ''))
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else:
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self._error('malformed if: ' + functools.reduce(add, ls, ''))
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if invert:
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istrue = not istrue
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log.trace('config: %s: _if: %s %s' % (self.init_name, ifls, str(istrue)))
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return self._ifs(config, ls, '%if', istrue, isvalid, dir, info)
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def _ifos(self, config, ls, isvalid, dir, info):
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isos = False
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if isvalid:
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os = self.define('_os')
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for l in ls:
|
|
if l in os:
|
|
isos = True
|
|
break
|
|
return self._ifs(config, ls, '%ifos', isos, isvalid, dir, info)
|
|
|
|
def _ifarch(self, config, positive, ls, isvalid, dir, info):
|
|
isarch = False
|
|
if isvalid:
|
|
arch = self.define('_arch')
|
|
for l in ls:
|
|
if l in arch:
|
|
isarch = True
|
|
break
|
|
if not positive:
|
|
isarch = not isarch
|
|
return self._ifs(config, ls, '%ifarch', isarch, isvalid, dir, info)
|
|
|
|
def _parse(self, config, dir, info, roc = False, isvalid = True):
|
|
# roc = return on control
|
|
|
|
def _clean(line):
|
|
line = line[0:-1]
|
|
b = line.find('#')
|
|
if b >= 0:
|
|
line = line[1:b]
|
|
return line.strip()
|
|
|
|
#
|
|
# Need to add code to count matching '{' and '}' and if they
|
|
# do not match get the next line and add to the string until
|
|
# they match. This closes an opening '{' that is on another
|
|
# line.
|
|
#
|
|
for l in config:
|
|
self.lc += 1
|
|
l = _clean(l)
|
|
if len(l) == 0:
|
|
continue
|
|
log.trace('config: %s: %03d: %s %s' % \
|
|
(self.init_name, self.lc, str(isvalid), l))
|
|
lo = l
|
|
if isvalid:
|
|
l = self._expand(l)
|
|
if len(l) == 0:
|
|
continue
|
|
if l[0] == '%':
|
|
ls = self.wss.split(l, 2)
|
|
los = self.wss.split(lo, 2)
|
|
if ls[0] == '%disable':
|
|
if isvalid:
|
|
self._disable(config, ls)
|
|
elif ls[0] == '%select':
|
|
if isvalid:
|
|
self._select(config, ls)
|
|
elif ls[0] == '%error':
|
|
if isvalid:
|
|
return ('data', ['%%error %s' % (self._name_line_msg(l[7:]))])
|
|
elif ls[0] == '%warning':
|
|
if isvalid:
|
|
return ('data', ['%%warning %s' % (self._name_line_msg(l[9:]))])
|
|
elif ls[0] == '%define' or ls[0] == '%global':
|
|
if isvalid:
|
|
self._define(config, ls)
|
|
elif ls[0] == '%undefine':
|
|
if isvalid:
|
|
self._undefine(config, ls)
|
|
elif ls[0] == '%if':
|
|
d = self._if(config, ls, isvalid, dir, info)
|
|
if len(d):
|
|
log.trace('config: %s: %%if: %s' % (self.init_name, d))
|
|
return ('data', d)
|
|
elif ls[0] == '%ifn':
|
|
d = self._if(config, ls, isvalid, dir, info, True)
|
|
if len(d):
|
|
log.trace('config: %s: %%ifn: %s' % (self.init_name, d))
|
|
return ('data', d)
|
|
elif ls[0] == '%ifos':
|
|
d = self._ifos(config, ls, isvalid, dir, info)
|
|
if len(d):
|
|
return ('data', d)
|
|
elif ls[0] == '%ifarch':
|
|
d = self._ifarch(config, True, ls, isvalid, dir, info)
|
|
if len(d):
|
|
return ('data', d)
|
|
elif ls[0] == '%ifnarch':
|
|
d = self._ifarch(config, False, ls, isvalid, dir, info)
|
|
if len(d):
|
|
return ('data', d)
|
|
elif ls[0] == '%endif':
|
|
if roc:
|
|
return ('control', '%endif', '%endif')
|
|
log.warning("unexpected '" + ls[0] + "'")
|
|
elif ls[0] == '%else':
|
|
if roc:
|
|
return ('control', '%else', '%else')
|
|
log.warning("unexpected '" + ls[0] + "'")
|
|
elif ls[0].startswith('%defattr'):
|
|
return ('data', [l])
|
|
elif ls[0] == '%bcond_with':
|
|
if isvalid:
|
|
#
|
|
# Check if already defined. Would be by the command line or
|
|
# even a host specific default.
|
|
#
|
|
if self._label('with_' + ls[1]) not in self.macros:
|
|
self._define(config, (ls[0], 'without_' + ls[1]))
|
|
elif ls[0] == '%bcond_without':
|
|
if isvalid:
|
|
if self._label('without_' + ls[1]) not in self.macros:
|
|
self._define(config, (ls[0], 'with_' + ls[1]))
|
|
else:
|
|
pt = self._parse_token(lo, los, l, ls)
|
|
if pt is not None:
|
|
return pt
|
|
if self.ignores is not None:
|
|
for r in self.ignores:
|
|
if r.match(ls[0]) is not None:
|
|
return ('data', [l])
|
|
if isvalid:
|
|
for d in self.directives:
|
|
if ls[0].strip() == d:
|
|
return ('directive', ls[0].strip(), ls[1:])
|
|
log.warning("unknown directive: '" + ls[0] + "'")
|
|
return ('data', [lo])
|
|
else:
|
|
return ('data', [lo])
|
|
return ('control', '%end', '%end')
|
|
|
|
def _parse_token(self, line, line_split, line_expanded, line_split_expanded):
|
|
return None
|
|
|
|
def _process_directive(self, results, directive, info, data):
|
|
new_data = []
|
|
if results[1] == '%description':
|
|
new_data = [' '.join(results[2])]
|
|
else:
|
|
directive, into, data = self._directive_filter(results, directive, info, data)
|
|
if directive and directive != results[1]:
|
|
self._directive_extend(directive, data)
|
|
directive = results[1]
|
|
data = new_data
|
|
return (directive, info, data)
|
|
|
|
def _process_data(self, results, directive, info, data):
|
|
new_data = []
|
|
for l in results[1]:
|
|
if l.startswith('%error'):
|
|
l = self._expand(l)
|
|
raise error.general('config error: %s' % (l[7:]))
|
|
elif l.startswith('%warning'):
|
|
l = self._expand(l)
|
|
log.stderr('warning: %s' % (l[9:]))
|
|
log.warning(l[9:])
|
|
if not directive:
|
|
l = self._expand(l)
|
|
ls = self.tags.split(l, 1)
|
|
log.trace('config: %s: _tag: %s %s' % (self.init_name, l, ls))
|
|
if len(ls) > 1:
|
|
info = ls[0].lower()
|
|
if info[-1] == ':':
|
|
info = info[:-1]
|
|
info_data = ls[1].strip()
|
|
else:
|
|
info_data = ls[0].strip()
|
|
if info is not None:
|
|
self._info_append(info, info_data)
|
|
else:
|
|
log.warning("invalid format: '%s'" % (info_data[:-1]))
|
|
else:
|
|
log.trace('config: %s: _data: %s %s' % (self.init_name, l, new_data))
|
|
new_data.append(l)
|
|
return (directive, info, data + new_data)
|
|
|
|
def _process_block(self, results, directive, info, data):
|
|
raise error.internal('known block type: %s' % (results[0]))
|
|
|
|
def _directive_extend(self, dir, data):
|
|
pass
|
|
|
|
def _directive_filter(self, results, directive, info, data):
|
|
return directive, into, data
|
|
|
|
def _info_append(self, info, data):
|
|
pass
|
|
|
|
def load(self, name):
|
|
|
|
def common_end(left, right):
|
|
end = ''
|
|
while len(left) and len(right):
|
|
if left[-1] != right[-1]:
|
|
return end
|
|
end = left[-1] + end
|
|
left = left[:-1]
|
|
right = right[:-1]
|
|
return end
|
|
|
|
if self.load_depth == 0:
|
|
self.in_error = False
|
|
self.lc = 0
|
|
self.name = name
|
|
self.conditionals = {}
|
|
|
|
self.load_depth += 1
|
|
|
|
save_name = self.name
|
|
save_lc = self.lc
|
|
|
|
self.name = name
|
|
self.lc = 0
|
|
|
|
#
|
|
# Locate the config file. Expand any macros then add the
|
|
# extension. Check if the file exists, therefore directly
|
|
# referenced. If not see if the file contains ':' or the path
|
|
# separator. If it does split the path else use the standard config dir
|
|
# path in the defaults.
|
|
#
|
|
exname = self.expand(name)
|
|
|
|
#
|
|
# Macro could add an extension.
|
|
#
|
|
if exname.endswith('.cfg'):
|
|
configname = exname
|
|
else:
|
|
configname = '%s.cfg' % (exname)
|
|
name = '%s.cfg' % (name)
|
|
|
|
if ':' in configname:
|
|
cfgname = path.basename(configname)
|
|
else:
|
|
cfgname = common_end(configname, name)
|
|
|
|
if not path.exists(configname):
|
|
if ':' in configname:
|
|
configdirs = path.dirname(configname).split(':')
|
|
else:
|
|
configdirs = self.define('_configdir').split(':')
|
|
for cp in configdirs:
|
|
configname = path.join(path.abspath(cp), cfgname)
|
|
if path.exists(configname):
|
|
break
|
|
configname = None
|
|
if configname is None:
|
|
raise error.general('no config file found: %s' % (cfgname))
|
|
|
|
try:
|
|
log.trace('config: %s: _open: %s' % (self.init_name, path.host(configname)))
|
|
config = open(path.host(configname), 'r')
|
|
except IOError as err:
|
|
raise error.general('error opening config file: %s' % (path.host(configname)))
|
|
self.configpath += [configname]
|
|
|
|
self._includes += [configname]
|
|
|
|
try:
|
|
dir = None
|
|
info = None
|
|
data = []
|
|
while True:
|
|
r = self._parse(config, dir, info)
|
|
if r[0] == 'control':
|
|
if r[1] == '%end':
|
|
break
|
|
log.warning("unexpected '%s'" % (r[1]))
|
|
elif r[0] == 'directive':
|
|
if r[1] == '%include':
|
|
self.load(r[2][0])
|
|
continue
|
|
dir, info, data = self._process_directive(r, dir, info, data)
|
|
elif r[0] == 'data':
|
|
dir, info, data = self._process_data(r, dir, info, data)
|
|
else:
|
|
self._error("%d: invalid parse state: '%s" % (self.lc, r[0]))
|
|
if dir is not None:
|
|
self._directive_extend(dir, data)
|
|
except:
|
|
config.close()
|
|
raise
|
|
|
|
config.close()
|
|
|
|
self.name = save_name
|
|
self.lc = save_lc
|
|
|
|
self.load_depth -= 1
|
|
|
|
def defined(self, name):
|
|
return self.macros.has_key(name)
|
|
|
|
def define(self, name):
|
|
if name in self.macros:
|
|
d = self.macros[name]
|
|
else:
|
|
n = self._label(name)
|
|
if n in self.macros:
|
|
d = self.macros[n]
|
|
else:
|
|
raise error.general('%d: macro "%s" not found' % (self.lc, name))
|
|
return self._expand(d)
|
|
|
|
def set_define(self, name, value):
|
|
self.macros[name] = value
|
|
|
|
def expand(self, line):
|
|
if type(line) == list:
|
|
el = []
|
|
for l in line:
|
|
el += [self._expand(l)]
|
|
return el
|
|
return self._expand(line)
|
|
|
|
def macro(self, name):
|
|
if name in self.macros:
|
|
return self.macros[name]
|
|
raise error.general('macro "%s" not found' % (name))
|
|
|
|
def directive(self, name):
|
|
pass
|
|
|
|
def abspath(self, rpath):
|
|
return path.abspath(self.define(rpath))
|
|
|
|
def includes(self):
|
|
return self._includes
|
|
|
|
def file_name(self):
|
|
return self.init_name
|
|
|
|
def run():
|
|
import sys
|
|
try:
|
|
#
|
|
# Run where defaults.mc is located
|
|
#
|
|
long_opts = {
|
|
# key macro handler param defs init
|
|
'--file' : ('_file', 'path', True, None, False)
|
|
}
|
|
opts = options.command_line(base_path = '.',
|
|
argv = sys.argv,
|
|
long_opts = long_opts)
|
|
options.load(opts)
|
|
s = file(opts.defaults['_file'], opts)
|
|
s.load(opts.defaults['_file'])
|
|
print(s)
|
|
del s
|
|
except error.general as gerr:
|
|
print(gerr)
|
|
sys.exit(1)
|
|
except error.internal as ierr:
|
|
print(ierr)
|
|
sys.exit(1)
|
|
except KeyboardInterrupt:
|
|
log.notice('abort: user terminated')
|
|
sys.exit(1)
|
|
sys.exit(0)
|
|
|
|
if __name__ == "__main__":
|
|
run()
|