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main_repo / ragel.py @ 1a126ed1
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#! /usr/bin/env python
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# encoding: utf-8
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"Ragel: '.rl' files are converted into .c files using 'ragel': {.rl -> .c -> .o}"
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import TaskGen, Task, Runner |
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def rageltaskfun(task): |
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env = task.env |
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ragelbin = env.get_flat('RAGEL')
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if ragelbin:
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if task.inputs[0].srcpath(env) == '../src/config_parser.rl': |
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cmd = '%s -o %s -C -T0 %s' % (ragelbin, task.outputs[0].bldpath(env), task.inputs[0].srcpath(env)) |
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else:
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cmd = '%s -o %s -C -T1 %s' % (ragelbin, task.outputs[0].bldpath(env), task.inputs[0].srcpath(env)) |
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else:
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src = task.inputs[0].srcpath(env)
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src = src[:src.rfind('.')] + '.c' |
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cmd = 'cp %s %s' % (src, task.outputs[0].bldpath(env)) |
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return task.generator.bld.exec_command(cmd)
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rageltask = Task.task_type_from_func('ragel', rageltaskfun, vars = ['RAGEL'], color = 'BLUE', ext_in = '.rl', ext_out = '.c', before = 'c') |
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@TaskGen.extension('.rl') |
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@TaskGen.before('apply_core') |
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def ragel(self, node): |
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out = node.change_ext('.c')
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self.allnodes.append(out)
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tsk = self.create_task('ragel') |
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tsk.set_inputs(node) |
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tsk.set_outputs(out) |
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def detect(conf): |
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dang = conf.find_program('ragel', var='RAGEL') |