qemumachine-eliminate.py

import re, sys

fieldre = re.compile(r'^ *\.([a-z0-9_]+) *= *(.*?),? *([^,]*?)\n', re.M)
def fixmachine(m):
    print >>sys.stderr,"whole: %r" % (m.group(0))
    name = m.group(2)
    if name.endswith('_machine'):
        name = name[:-len('_machine')]
    fields = m.group(4)
    print >>sys.stderr,"fields: %r" % (fields)
    namestr = re.search(r'\.name *= *(.*?),? *\n', fields, re.M).group(1)
    def fixfield(m):

        if m.group(1) == 'name':
            return ''
        else:
            cmt = m.group(3)
            if cmt:
                cmt = re.sub(r' *\/\/ *(.*)$', r' /* \1 */', cmt, flags=re.M)
            return '    mc->%s = %s;%s\n' % (m.group(1), m.group(2), cmt)

    return '''
static void %s_machine_init(MachineClass *mc)
{
%s}

DEFINE_MACHINE(%s, %s_machine_init);
'''.lstrip() % (name, fieldre.sub(fixfield, fields), namestr, name)

s = sys.stdin.read()
s = re.sub(r'(static *|const *)*QEMUMachine ([a-z0-9_]+) *= *\{(\n| )*(.*?) *\};\n', fixmachine, s, flags=re.DOTALL)
s = re.sub(r'^ *qemu_register_machine\(&([a-z0-9_]+)\);\n', '', s, flags=re.M)
s = re.sub(r'static void ([a-z0-9_]+)\(void\)\n{\n}\n*((.+\n)?)machine_init\(\1\);?\n', r'\2', s, flags=re.DOTALL)

sys.stdout.write(s)