On Fri, Aug 10, 2018 at 09:55:50AM +0100, Alex Bennée wrote: > > Eduardo Habkost <ehabk...@redhat.com> writes: > > > On Wed, Aug 08, 2018 at 01:39:31PM +0100, Alex Bennée wrote: > >> Given our issues with failing disassembly we could try and re-use the > >> decode tree data to output what instruction is being decoded. This > >> will be used if registered as a fall-back for when the "proper" > >> disassembler fails to decode an instruction. > >> > >> Signed-off-by: Alex Bennée <alex.ben...@linaro.org> > > > > I don't have an opinion on the approach you are taking, but the > > Python code you are adding is consistent with the existing style > > of the script. > > > > That said, I find the existing code full of output() calls very > > hard to read. If anybody wants to volunteer to improve the > > readability of the output generation, it would be welcome. > > If we expect to have the script output a number of different forms I > guess re-factoring it with some sort of template based approach would be > worthwhile. I wonder if there are other examples in the code base? We > wouldn't want to have multiple template types.
QAPI scripts also generates C code, and I find them more readable[1]. I think a true template language would be even better than QAPI's approach, but I don't see an obvious candidate that would be worth adding another build dependency to QEMU. [1] Compare: def output_decl(self): global translate_scope global translate_prefix output('typedef ', self.base.base.struct_name(), ' arg_', self.name, ';\n') output(translate_scope, 'bool ', translate_prefix, '_', self.name, '(DisasContext *ctx, arg_', self.name, ' *a, ', insntype, ' insn);\n') And: def gen_visit_members_decl(name): return mcgen(''' void visit_type_%(c_name)s_members(Visitor *v, %(c_name)s *obj, Error **errp); ''', c_name=c_name(name)) -- Eduardo