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104
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1 #!/usr/bin/python
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2
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287
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3 import sys
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4 import argparse
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5 import logging
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6
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7 import c3
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8 import ppci
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9 import codegen
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205
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10 import codegenarm
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253
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11 from optimize import optimize
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205
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12 import outstream
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246
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13 import hexfile
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253
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14
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281
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15 logformat='%(asctime)s|%(levelname)s|%(name)s|%(message)s'
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16
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253
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17 def logLevel(s):
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18 numeric_level = getattr(logging, s.upper(), None)
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19 if not isinstance(numeric_level, int):
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20 raise ValueError('Invalid log level: {}'.format(s))
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21 return numeric_level
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105
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22
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205
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23 # Parse arguments:
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204
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24 parser = argparse.ArgumentParser(description='lcfos Compiler')
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287
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25 # Input:
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213
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26 parser.add_argument('source', type=argparse.FileType('r'), \
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287
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27 help='the source file to build', nargs="+")
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28 parser.add_argument('-i', '--import', type=argparse.FileType('r'), \
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29 help='Possible import module', action='append')
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30
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253
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31 parser.add_argument('--dumpir', action='store_true', help="Dump IR-code")
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255
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32 parser.add_argument('--dumpasm', action='store_true', help="Dump ASM-code")
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33 parser.add_argument('--optimize', action='store_true', help="Optimize")
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287
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34 parser.add_argument('--target', help="Backend selection")
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205
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35 parser.add_argument('-o', '--output', help='Output file', metavar='filename')
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246
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36 parser.add_argument('--hexfile', help='Output hexfile', type=argparse.FileType('w'))
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253
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37 parser.add_argument('--log', help='Log level (INFO,DEBUG)', type=logLevel)
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104
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38
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287
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39 def zcc(srcs, outs, diag, dumpir=False, do_optimize=False):
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40 """
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41 Compile sources into output stream.
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42 Sources is an iterable of open files.
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43 """
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255
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44 logging.info('Zcc started')
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207
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45 # Front end:
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46 c3b = c3.Builder(diag)
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287
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47 imps = []
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48 for ircode in c3b.build(srcs, imps):
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49 print(ircode)
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50 if not ircode:
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51 return
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52
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287
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53 # Optimization passes:
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54 if do_optimize:
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55 optimize(ircode)
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219
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56
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287
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57 if dumpir:
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58 ircode.dump()
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249
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59
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287
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60 # Code generation:
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61 cg = codegenarm.ArmCodeGenerator(outs)
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62 obj = cg.generate(ircode)
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249
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63 return True
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64
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65 def main(args):
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258
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66 logging.basicConfig(format=logformat, level=args.log)
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287
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67 src = args.source
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249
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68 diag = ppci.DiagnosticsManager()
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69 outs = outstream.TextOutputStream()
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70
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71 # Invoke compiler:
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287
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72 res = zcc(src, outs, diag, dumpir=args.dumpir, do_optimize=args.optimize)
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249
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73 if not res:
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74 diag.printErrors(src)
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276
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75 return 1
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205
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76
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255
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77 if args.dumpasm:
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78 outs.dump()
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105
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79
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237
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80 code_bytes = outs.sections['code'].to_bytes()
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207
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81 if args.output:
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82 output_filename = args.output
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287
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83 with open(output_filename, 'wb') as f:
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84 f.write(code_bytes)
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104
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85
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246
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86 if args.hexfile:
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255
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87 logging.info('Creating hexfile')
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246
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88 hf = hexfile.HexFile()
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89 hf.addRegion(0x08000000, code_bytes)
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90 hf.save(args.hexfile)
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276
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91 return 0
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246
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92
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207
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93 if __name__ == '__main__':
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213
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94 arguments = parser.parse_args()
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287
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95 print(arguments)
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276
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96 sys.exit(main(arguments))
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205
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97
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