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104
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1 #!/usr/bin/python
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2
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3 import sys, os, argparse
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106
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4 from ppci import core, frontends
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105
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5
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6 parser = argparse.ArgumentParser(description='K# to bitcode compiler')
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7 parser.add_argument('source', type=str, help='the source file to build')
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8 args = parser.parse_args()
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104
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9
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105
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10 try:
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11 with open(args.source, 'r') as f:
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12 src = f.read()
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13 except IOError:
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14 print('Failed to load {0}'.format(args.source))
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15 sys.exit(1)
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106
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16 print('stage 1: Parsing')
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105
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17 # Create a context and a frontend:
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18 context = core.Context()
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106
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19 frontend = frontends.KsFrontend(context)
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105
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20 try:
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21 module = frontend.compilesource(src)
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22 except core.CompilerException as e:
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23 print(e)
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106
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24 lines = src.split(os.linesep)
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25 row = e.row
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26 col = e.col
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27 line = lines[row - 1]
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28 print('{0}:{1}'.format(row, line))
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29 print(' ' * col + '^')
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30 raise
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31 #sys.exit(2)
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104
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32
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105
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33 # optionally run passes here:
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34 # TODO
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35
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106
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36 print('stage 3: Code generation')
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37 asmWriter = core.AsmWriter()
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38 asmWriter.printModule(module)
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39
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105
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40 # Generate code:
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41 bitcodeWriter = core.BitcodeWriter()
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42 with open(args.source + '.bc', 'wb') as f:
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43 bitcodeWriter.WriteModuleToFile(module, f)
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104
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44
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