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#!/usr/bin/env python
#
# __COPYRIGHT__
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
"""
Verify that use of the FindPathDirs() function (actually a class)
can be used to specify a path_function of a scanner.
"""
import TestSCons
_python_ = TestSCons._python_
test = TestSCons.TestSCons()
test.subdir('inc1', 'inc2')
test.write('build.py', r"""
import os.path
import sys
path = sys.argv[1].split()
input = open(sys.argv[2], 'rb')
output = open(sys.argv[3], 'wb')
def find_file(f):
for dir in path:
p = dir + os.sep + f
if os.path.exists(p):
return open(p, 'rb')
return None
def process(infp, outfp):
for line in infp.readlines():
if line[:8] == 'include ':
file = line[8:-1]
process(find_file(file), outfp)
else:
outfp.write(line)
process(input, output)
sys.exit(0)
""")
# Execute a subsidiary SConscript just to make sure we can
# get at the Scanner keyword from there.
test.write('SConstruct', """\
SConscript('SConscript')
""")
test.write('SConscript', """\
import os.path
import re
include_re = re.compile(r'^include\s+(\S+)$', re.M)
def kfile_scan(node, env, path, arg):
contents = node.get_text_contents()
includes = include_re.findall(contents)
if includes == []:
return []
results = []
for inc in includes:
for dir in path:
file = str(dir) + os.sep + inc
if os.path.exists(file):
results.append(file)
break
return results
kscan = Scanner(name = 'kfile',
function = kfile_scan,
argument = None,
skeys = ['.k'],
path_function = FindPathDirs('KPATH'))
##########################################################
# Test scanner as found automatically from the environment
# (backup_source_scanner)
env = Environment(KPATH=['inc1', 'inc2'])
env.Append(SCANNERS = kscan)
env.Command('foo', 'foo.k', r'%(_python_)s build.py "$KPATH" $SOURCES $TARGET')
""" % locals())
test.write('foo.k',
"""foo.k 1 line 1
include xxx
include yyy
foo.k 1 line 4
""")
test.write(['inc1', 'xxx'], "inc1/xxx 1\n")
test.write(['inc2', 'yyy'], "inc2/yyy 1\n")
test.run()
test.must_match('foo', "foo.k 1 line 1\ninc1/xxx 1\ninc2/yyy 1\nfoo.k 1 line 4\n")
test.up_to_date(arguments = '.')
test.write(['inc1', 'xxx'], "inc1/xxx 2\n")
test.run()
test.must_match('foo', "foo.k 1 line 1\ninc1/xxx 2\ninc2/yyy 1\nfoo.k 1 line 4\n")
test.write(['inc1', 'yyy'], "inc1/yyy 2\n")
test.run()
test.must_match('foo', "foo.k 1 line 1\ninc1/xxx 2\ninc1/yyy 2\nfoo.k 1 line 4\n")
test.pass_test()
# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
# vim: set expandtab tabstop=4 shiftwidth=4:
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