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76 lines
2.3 KiB
76 lines
2.3 KiB
#!/usr/bin/env python |
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# encoding: utf-8 |
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""" |
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generate DSDLC headers for uavcan |
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""" |
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from waflib import Logs, Task, Utils, Node |
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from waflib.TaskGen import feature, before_method, extension |
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import os |
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import os.path |
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from xml.etree import ElementTree as et |
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class uavcangen(Task.Task): |
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"""generate uavcan header files""" |
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color = 'BLUE' |
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before = 'cxx c' |
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def run(self): |
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python = self.env.get_flat('PYTHON') |
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out = self.env.get_flat('OUTPUT_DIR') |
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src = self.env.get_flat('SRC') |
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dsdlc = self.env.get_flat("DSDL_COMPILER") |
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ret = self.exec_command(['{}'.format(python), |
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'{}'.format(dsdlc), |
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'-O{}'.format(out)] + [x.abspath() for x in self.inputs]) |
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if ret != 0: |
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# ignore if there was a signal to the interpreter rather |
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# than a real error in the script. Some environments use a |
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# signed and some an unsigned return for this |
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if ret > 128 or ret < 0: |
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Logs.warn('uavcangen crashed with code: {}'.format(ret)) |
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ret = 0 |
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else: |
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Logs.error('uavcangen returned {} error code'.format(ret)) |
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return ret |
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def post_run(self): |
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super(uavcangen, self).post_run() |
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for header in self.generator.output_dir.ant_glob("*.hpp **/*.hpp", remove=False): |
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header.sig = header.cache_sig = self.cache_sig |
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def options(opt): |
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opt.load('python') |
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@feature('uavcangen') |
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@before_method('process_source') |
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def process_uavcangen(self): |
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if not hasattr(self, 'output_dir'): |
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self.bld.fatal('uavcangen: missing option output_dir') |
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inputs = self.to_nodes(self.source) |
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outputs = [] |
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self.source = [] |
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if not isinstance(self.output_dir, Node.Node): |
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self.output_dir = self.bld.bldnode.find_or_declare(self.output_dir) |
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task = self.create_task('uavcangen', inputs, outputs) |
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task.env['OUTPUT_DIR'] = self.output_dir.abspath() |
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task.env.env = dict(os.environ) |
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def configure(cfg): |
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""" |
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setup environment for uavcan header generator |
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""" |
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cfg.load('python') |
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cfg.check_python_version(minver=(2,7,0)) |
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env = cfg.env |
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env.DSDL_COMPILER_DIR = cfg.srcnode.make_node('modules/uavcan/libuavcan/dsdl_compiler').abspath() |
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env.DSDL_COMPILER = env.DSDL_COMPILER_DIR + '/libuavcan_dsdlc'
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