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#
# RTEMS Tools Project (http://www.rtems.org/)
# Copyright 2019 Chris Johns (chrisj@rtems.org)
# All rights reserved.
#
# This file is part of the RTEMS Tools package in 'rtems-tools'.
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
# This code builds a package compiler tool suite given a tool set. A tool
# set lists the various tools. These are specific tool configurations.
#
from __future__ import print_function
try:
from . import error
from . import execute
from . import log
from . import options
except KeyboardInterrupt:
print('abort: user terminated', file = sys.stderr)
sys.exit(1)
except:
raise
def expand(macros, line):
#
# Parse the line and handle nesting '()' pairs.
#
def _exec(shell_macro):
output = ''
if len(shell_macro) > 3:
e = execute.capture_execution()
if options.host_windows:
cmd = '%s -c "%s"' % (macros.expand('%{__sh}'), shell_macro[2:-1])
else:
cmd = shell_macro[2:-1]
exit_code, proc, output = e.shell(cmd)
log.trace('shell-output: %d %s' % (exit_code, output))
if exit_code != 0:
raise error.general('shell macro failed: %s: %d: %s' % (cmd,
exit_code,
output))
return output
updating = True
while updating:
updating = False
pos = line.find('%(')
if pos >= 0:
braces = 0
for p in range(pos + 2, len(line)):
if line[p] == '(':
braces += 1
elif line[p] == ')':
if braces > 0:
braces -= 1
else:
line = line[:pos] + _exec(line[pos:p + 1]) + line[p + 1:]
updating = True
break
return line
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