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"""SCons.Tool.asn1
Tool-specific initialization for ASN1
"""
import SCons.Defaults
import SCons.Util
import re
output_re = re.compile(r'^([A-Za-z0-9_-]+)[ \t]*::=', re.M)
def asn1_emitter(target,source,env):
targets = []
for s in source:
node = env.File(s)
contents = node.get_contents()
for j in output_re.findall(contents):
targets.append(str(node.get_dir()) + '/asn1_' + j + '.c')
targets.append("%s/%s.h" % (str(node.get_dir()), env['ASN1PREFIX']))
return targets, source
asn1_builder = SCons.Builder.Builder(action='$ASN1COM',
src_suffix = '.asn1',
suffix='.c',
single_source=True,
emitter = asn1_emitter)
def generate(env):
env['ASN1'] = './bin/asn1_compile'
env['ASN1PREFIX'] = 'asn1'
env['ASN1COM'] = 'cd ${SOURCE.dir} && $ASN1 $ASN1PREFIX ${SOURCE.file}'
env['BUILDERS']['ASN1'] = asn1_builder
def exists(env):
return env.Detect('asn1_compile')
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