#!/usr/bin/python

import sys, os, argparse
import c3, ppci

parser = argparse.ArgumentParser(description='lcfos Compiler')
parser.add_argument('source', type=argparse.FileType('r'), help='the source file to build')
args = parser.parse_args()

# Building:
src = args.source.read()
diag = ppci.DiagnosticsManager()
c3b = c3.Builder(diag)

ircode = c3b.build(src)
if not ircode:
    diag.printErrors(src)
    sys.exit(1)

# optionally run passes here:
# TODO

print('stage 3: Code generation')
asmWriter = core.AsmWriter()
asmWriter.printModule(module)

# Generate code:
bitcodeWriter = core.BitcodeWriter()
with open(args.source + '.bc', 'wb') as f:
   bitcodeWriter.WriteModuleToFile(module, f)