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104
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1 #!/usr/bin/python
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2
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213
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3 import sys, argparse
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205
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4 import c3, ppci, codegen
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5 import codegenarm
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253
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6 from optimize import optimize
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205
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7 import outstream
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246
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8 import hexfile
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253
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9 import logging
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10
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11 def logLevel(s):
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12 numeric_level = getattr(logging, s.upper(), None)
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13 if not isinstance(numeric_level, int):
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14 raise ValueError('Invalid log level: {}'.format(s))
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15 return numeric_level
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105
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16
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205
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17 # Parse arguments:
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204
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18 parser = argparse.ArgumentParser(description='lcfos Compiler')
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213
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19 parser.add_argument('source', type=argparse.FileType('r'), \
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20 help='the source file to build')
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253
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21 parser.add_argument('--dumpir', action='store_true', help="Dump IR-code")
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205
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22 parser.add_argument('-o', '--output', help='Output file', metavar='filename')
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246
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23 parser.add_argument('--hexfile', help='Output hexfile', type=argparse.FileType('w'))
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253
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24 parser.add_argument('--log', help='Log level (INFO,DEBUG)', type=logLevel)
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104
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25
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249
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26 def zcc(src, outs, diag, dumpir=False):
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207
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27 # Front end:
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28 c3b = c3.Builder(diag)
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29 ircode = c3b.build(src)
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253
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30 logging.info('Intermediate code generated')
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207
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31 if not ircode:
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249
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32 return
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33
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219
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34 # Optimization passes:
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253
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35 optimize(ircode)
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36 logging.info('IR-code optimized')
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219
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37
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249
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38 if dumpir:
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207
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39 ircode.dump()
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249
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40
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207
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41 # Code generation:
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42 cg = codegenarm.ArmCodeGenerator(outs)
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43 obj = cg.generate(ircode)
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249
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44 return True
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45
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46 def main(args):
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253
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47 logging.basicConfig(format='%(asctime)s %(levelname)s %(message)s', level=args.log)
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48 src = args.source.read()
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49 args.source.close()
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253
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50 logging.info('Source loaded')
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249
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51 diag = ppci.DiagnosticsManager()
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52 outs = outstream.TextOutputStream()
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53
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54 # Invoke compiler:
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55 res = zcc(src, outs, diag, dumpir=args.dumpir)
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56 if not res:
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57 diag.printErrors(src)
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58 sys.exit(1)
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205
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59
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253
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60 #if args.dumpir:
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61 # outs.dump()
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105
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62
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237
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63 code_bytes = outs.sections['code'].to_bytes()
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238
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64 #print('bytes:', code_bytes)
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207
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65 if args.output:
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66 output_filename = args.output
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67 else:
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237
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68 output_filename = 'b.output'
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249
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69
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237
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70 with open(output_filename, 'wb') as f:
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71 f.write(code_bytes)
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104
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72
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246
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73 if args.hexfile:
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74 hf = hexfile.HexFile()
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75 hf.addRegion(0x08000000, code_bytes)
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76 hf.save(args.hexfile)
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253
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77 logging.info('Hexfile created')
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246
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78
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207
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79 if __name__ == '__main__':
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213
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80 arguments = parser.parse_args()
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81 main(arguments)
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205
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82
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