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1
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2 """
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3 Defines task classes that can compile, link etc..
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4 Task can depend upon one another.
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5 """
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6
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7 import logging
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8
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9 from .c3 import Builder
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10 from .irutils import Verifier
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11 from .codegen import CodeGenerator
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12 from .transform import CleanPass, RemoveAddZero
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13 from .tasks import Task
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14 from . import DiagnosticsManager
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15
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16
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17 class Assemble(Task):
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18 def __init__(self):
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19 super().__init__('Assemble')
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20
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21 def run(self):
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22 pass
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23
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24
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25 class Compile(Task):
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26 """ Task that compiles source to some target """
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27 def __init__(self, sources, includes, target, output_object):
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28 super().__init__('Compile')
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29 self.sources = sources
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30 self.includes = includes
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31 self.target = target
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32 self.output = output_object
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33
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34 def run(self):
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35 logger = logging.getLogger('zcc')
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36 logger.info('Zcc started {}'.format(self.sources))
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37 diag = DiagnosticsManager()
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38 c3b = Builder(diag, self.target)
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39 cg = CodeGenerator(self.target)
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40
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41 for ircode in c3b.build(self.sources, self.includes):
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42 if not ircode:
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43 return
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44
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45 d = {'ircode':ircode}
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46 logger.info('Verifying code {}'.format(ircode), extra=d)
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47 Verifier().verify(ircode)
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48
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49 # Optimization passes:
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50 CleanPass().run(ircode)
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51 Verifier().verify(ircode)
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52 RemoveAddZero().run(ircode)
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53 Verifier().verify(ircode)
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54 CleanPass().run(ircode)
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55 Verifier().verify(ircode)
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56
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57 # Code generation:
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58 d = {'ircode':ircode}
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59 logger.info('Starting code generation for {}'.format(ircode), extra=d)
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60 cg.generate(ircode, self.output)
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61
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62 # TODO: fixup references, do this in another way?
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63 self.output.backpatch()
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64 if not c3b.ok:
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65 diag.printErrors()
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66 raise TaskError('Compile errors')
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67
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68
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69 class Link(Task):
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70 def __init__(self, objects, output_file):
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71 super().__init__('Link')
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72
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73
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74 class ObjCopy(Task):
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75 pass
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76
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77
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78 def load_recipe(recipe, runner):
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79 """ Loads a recipe dictionary into a task runner """
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80 if 'compile' in recipe:
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81 #sources =
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82 runner.add_task(Compile())
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83 else:
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84 raise Exception()
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85
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