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329
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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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331
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17 class BuildTask(Task):
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18 def __init__(self, name):
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19 super().__init__(name)
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20 self.logger = logging.getLogger('buildtask')
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21
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22
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23 class Assemble(BuildTask):
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329
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24 def __init__(self):
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25 super().__init__('Assemble')
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26
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27 def run(self):
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28 pass
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29
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30
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331
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31 class Compile(BuildTask):
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329
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32 """ Task that compiles source to some target """
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33 def __init__(self, sources, includes, target, output_object):
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34 super().__init__('Compile')
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35 self.sources = sources
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36 self.includes = includes
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37 self.target = target
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38 self.output = output_object
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39
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40 def run(self):
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331
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41 self.logger.info('Zcc started {}'.format(self.sources))
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329
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42 diag = DiagnosticsManager()
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43 c3b = Builder(diag, self.target)
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44 cg = CodeGenerator(self.target)
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45
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46 for ircode in c3b.build(self.sources, self.includes):
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47 if not ircode:
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48 return
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49
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50 d = {'ircode':ircode}
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331
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51 self.logger.info('Verifying code {}'.format(ircode), extra=d)
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329
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52 Verifier().verify(ircode)
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53
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54 # Optimization passes:
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55 CleanPass().run(ircode)
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56 Verifier().verify(ircode)
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57 RemoveAddZero().run(ircode)
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58 Verifier().verify(ircode)
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59 CleanPass().run(ircode)
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60 Verifier().verify(ircode)
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61
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62 # Code generation:
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63 d = {'ircode':ircode}
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331
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64 self.logger.info('Starting code generation for {}'.format(ircode), extra=d)
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329
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65 cg.generate(ircode, self.output)
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66
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67 # TODO: fixup references, do this in another way?
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68 self.output.backpatch()
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69 if not c3b.ok:
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70 diag.printErrors()
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71 raise TaskError('Compile errors')
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72
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73
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331
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74 class Link(BuildTask):
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329
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75 def __init__(self, objects, output_file):
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76 super().__init__('Link')
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77
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78
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79 class ObjCopy(Task):
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80 pass
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81
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82
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331
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83 def load_recipe(recipe_file, runner):
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329
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84 """ Loads a recipe dictionary into a task runner """
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331
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85 for command, value in recipe:
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86 if command == 'compile':
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87 sources = value['']
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88 target = value['target']
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89 runner.add_task(Compile())
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90 else:
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91 raise Exception()
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329
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92
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