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python: Infrastructure for generic arch Python API

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Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah 2019-03-31 12:34:26 +01:00
parent 2e246c1968
commit f5bfd557b6
3 changed files with 170 additions and 0 deletions
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31
common/pybindings.cc
View File

@ -81,6 +81,34 @@ template <> struct string_converter<PortRef &>
} // namespace PythonConversion
struct loc_from_tuple
{
loc_from_tuple() { converter::registry::push_back(&convertible, &construct, boost::python::type_id<Loc>()); }
static void *convertible(PyObject *obj_ptr)
{
if (!PyTuple_Check(obj_ptr))
return 0;
return obj_ptr;
}
static void construct(PyObject *obj_ptr, converter::rvalue_from_python_stage1_data *data)
{
int val[3];
for (int i = 0; i < 3; i++) {
PyObject *pyo = PyTuple_GetItem(obj_ptr, i);
if (!pyo)
throw_error_already_set();
NPNR_ASSERT(PyLong_Check(pyo));
val[i] = int(PyLong_AsLong(pyo));
}
void *storage = ((converter::rvalue_from_python_storage<Loc> *)data)->storage.bytes;
new (storage) Loc(val[0], val[1], val[2]);
data->convertible = storage;
}
};
BOOST_PYTHON_MODULE(MODULE_NAME)
{
register_exception_translator<assertion_failure>(&translate_assertfail);
@ -108,6 +136,9 @@ BOOST_PYTHON_MODULE(MODULE_NAME)
class_<BaseCtx, BaseCtx *, boost::noncopyable>("BaseCtx", no_init);
auto loc_cls =
class_<Loc>("Loc").def_readwrite("x", &Loc::x).def_readwrite("y", &Loc::y).def_readwrite("z", &Loc::z);
auto ci_cls = class_<ContextualWrapper<CellInfo &>>("CellInfo", no_init);
readwrite_wrapper<CellInfo &, decltype(&CellInfo::name), &CellInfo::name, conv_to_str<IdString>,
conv_from_str<IdString>>::def_wrap(ci_cls, "name");

48
common/pywrappers.h
View File

@ -288,6 +288,29 @@ struct fn_wrapper_3a_v
template <typename WrapCls> static void def_wrap(WrapCls cls_, const char *name) { cls_.def(name, wrapped_fn); }
};
// Four parameters, no return
template <typename Class, typename FuncT, FuncT fn, typename arg1_conv, typename arg2_conv, typename arg3_conv,
typename arg4_conv>
struct fn_wrapper_4a_v
{
using class_type = typename WrapIfNotContext<Class>::maybe_wrapped_t;
using conv_arg1_type = typename arg1_conv::arg_type;
using conv_arg2_type = typename arg2_conv::arg_type;
using conv_arg3_type = typename arg3_conv::arg_type;
using conv_arg4_type = typename arg4_conv::arg_type;
static void wrapped_fn(class_type &cls, conv_arg1_type arg1, conv_arg2_type arg2, conv_arg3_type arg3,
conv_arg4_type arg4)
{
Context *ctx = get_ctx<Class>(cls);
Class &base = get_base<Class>(cls);
return (base.*fn)(arg1_conv()(ctx, arg1), arg2_conv()(ctx, arg2), arg3_conv()(ctx, arg3),
arg4_conv()(ctx, arg4));
}
template <typename WrapCls> static void def_wrap(WrapCls cls_, const char *name) { cls_.def(name, wrapped_fn); }
};
// Five parameters, no return
template <typename Class, typename FuncT, FuncT fn, typename arg1_conv, typename arg2_conv, typename arg3_conv,
typename arg4_conv, typename arg5_conv>
@ -312,6 +335,31 @@ struct fn_wrapper_5a_v
template <typename WrapCls> static void def_wrap(WrapCls cls_, const char *name) { cls_.def(name, wrapped_fn); }
};
// Six parameters, no return
template <typename Class, typename FuncT, FuncT fn, typename arg1_conv, typename arg2_conv, typename arg3_conv,
typename arg4_conv, typename arg5_conv, typename arg6_conv>
struct fn_wrapper_6a_v
{
using class_type = typename WrapIfNotContext<Class>::maybe_wrapped_t;
using conv_arg1_type = typename arg1_conv::arg_type;
using conv_arg2_type = typename arg2_conv::arg_type;
using conv_arg3_type = typename arg3_conv::arg_type;
using conv_arg4_type = typename arg4_conv::arg_type;
using conv_arg5_type = typename arg5_conv::arg_type;
using conv_arg6_type = typename arg6_conv::arg_type;
static void wrapped_fn(class_type &cls, conv_arg1_type arg1, conv_arg2_type arg2, conv_arg3_type arg3,
conv_arg4_type arg4, conv_arg5_type arg5, conv_arg6_type arg6)
{
Context *ctx = get_ctx<Class>(cls);
Class &base = get_base<Class>(cls);
return (base.*fn)(arg1_conv()(ctx, arg1), arg2_conv()(ctx, arg2), arg3_conv()(ctx, arg3),
arg4_conv()(ctx, arg4), arg5_conv()(ctx, arg5), arg6_conv()(ctx, arg6));
}
template <typename WrapCls> static void def_wrap(WrapCls cls_, const char *name) { cls_.def(name, wrapped_fn); }
};
// Wrapped getter
template <typename Class, typename MemT, MemT mem, typename v_conv> struct readonly_wrapper
{

91
generic/arch_pybindings.cc
View File

@ -23,6 +23,7 @@
#include "arch_pybindings.h"
#include "nextpnr.h"
#include "pybindings.h"
#include "pywrappers.h"
NEXTPNR_NAMESPACE_BEGIN
@ -35,6 +36,96 @@ void arch_wrap_python()
.def("pack", &Context::pack)
.def("place", &Context::place)
.def("route", &Context::route);
class_<BelPin>("BelPin").def_readwrite("bel", &BelPin::bel).def_readwrite("pin", &BelPin::pin);
fn_wrapper_1a<Context, decltype(&Context::getBelType), &Context::getBelType, conv_to_str<IdString>,
conv_from_str<BelId>>::def_wrap(ctx_cls, "getBelType");
fn_wrapper_1a<Context, decltype(&Context::checkBelAvail), &Context::checkBelAvail, pass_through<bool>,
conv_from_str<BelId>>::def_wrap(ctx_cls, "checkBelAvail");
fn_wrapper_1a<Context, decltype(&Context::getBelChecksum), &Context::getBelChecksum, pass_through<uint32_t>,
conv_from_str<BelId>>::def_wrap(ctx_cls, "getBelChecksum");
fn_wrapper_3a_v<Context, decltype(&Context::bindBel), &Context::bindBel, conv_from_str<BelId>,
addr_and_unwrap<CellInfo>, pass_through<PlaceStrength>>::def_wrap(ctx_cls, "bindBel");
fn_wrapper_1a_v<Context, decltype(&Context::unbindBel), &Context::unbindBel, conv_from_str<BelId>>::def_wrap(
ctx_cls, "unbindBel");
fn_wrapper_1a<Context, decltype(&Context::getBoundBelCell), &Context::getBoundBelCell, deref_and_wrap<CellInfo>,
conv_from_str<BelId>>::def_wrap(ctx_cls, "getBoundBelCell");
fn_wrapper_1a<Context, decltype(&Context::getConflictingBelCell), &Context::getConflictingBelCell,
deref_and_wrap<CellInfo>, conv_from_str<BelId>>::def_wrap(ctx_cls, "getConflictingBelCell");
fn_wrapper_0a<Context, decltype(&Context::getBels), &Context::getBels,
wrap_context<const std::vector<BelId> &>>::def_wrap(ctx_cls, "getBels");
fn_wrapper_2a<Context, decltype(&Context::getBelPinWire), &Context::getBelPinWire, conv_to_str<WireId>,
conv_from_str<BelId>, conv_from_str<IdString>>::def_wrap(ctx_cls, "getBelPinWire");
fn_wrapper_1a<Context, decltype(&Context::getWireBelPins), &Context::getWireBelPins,
wrap_context<const std::vector<BelPin> &>, conv_from_str<WireId>>::def_wrap(ctx_cls,
"getWireBelPins");
fn_wrapper_1a<Context, decltype(&Context::getWireChecksum), &Context::getWireChecksum, pass_through<uint32_t>,
conv_from_str<WireId>>::def_wrap(ctx_cls, "getWireChecksum");
fn_wrapper_3a_v<Context, decltype(&Context::bindWire), &Context::bindWire, conv_from_str<WireId>,
addr_and_unwrap<NetInfo>, pass_through<PlaceStrength>>::def_wrap(ctx_cls, "bindWire");
fn_wrapper_1a_v<Context, decltype(&Context::unbindWire), &Context::unbindWire, conv_from_str<WireId>>::def_wrap(
ctx_cls, "unbindWire");
fn_wrapper_1a<Context, decltype(&Context::checkWireAvail), &Context::checkWireAvail, pass_through<bool>,
conv_from_str<WireId>>::def_wrap(ctx_cls, "checkWireAvail");
fn_wrapper_1a<Context, decltype(&Context::getBoundWireNet), &Context::getBoundWireNet, deref_and_wrap<NetInfo>,
conv_from_str<WireId>>::def_wrap(ctx_cls, "getBoundWireNet");
fn_wrapper_1a<Context, decltype(&Context::getConflictingWireNet), &Context::getConflictingWireNet,
deref_and_wrap<NetInfo>, conv_from_str<WireId>>::def_wrap(ctx_cls, "getConflictingWireNet");
fn_wrapper_0a<Context, decltype(&Context::getWires), &Context::getWires,
wrap_context<const std::vector<WireId> &>>::def_wrap(ctx_cls, "getWires");
fn_wrapper_0a<Context, decltype(&Context::getPips), &Context::getPips,
wrap_context<const std::vector<PipId> &>>::def_wrap(ctx_cls, "getPips");
fn_wrapper_1a<Context, decltype(&Context::getPipChecksum), &Context::getPipChecksum, pass_through<uint32_t>,
conv_from_str<PipId>>::def_wrap(ctx_cls, "getPipChecksum");
fn_wrapper_3a_v<Context, decltype(&Context::bindPip), &Context::bindPip, conv_from_str<PipId>,
addr_and_unwrap<NetInfo>, pass_through<PlaceStrength>>::def_wrap(ctx_cls, "bindPip");
fn_wrapper_1a_v<Context, decltype(&Context::unbindPip), &Context::unbindPip, conv_from_str<PipId>>::def_wrap(
ctx_cls, "unbindPip");
fn_wrapper_1a<Context, decltype(&Context::checkPipAvail), &Context::checkPipAvail, pass_through<bool>,
conv_from_str<PipId>>::def_wrap(ctx_cls, "checkPipAvail");
fn_wrapper_1a<Context, decltype(&Context::getBoundPipNet), &Context::getBoundPipNet, deref_and_wrap<NetInfo>,
conv_from_str<PipId>>::def_wrap(ctx_cls, "getBoundPipNet");
fn_wrapper_1a<Context, decltype(&Context::getConflictingPipNet), &Context::getConflictingPipNet,
deref_and_wrap<NetInfo>, conv_from_str<PipId>>::def_wrap(ctx_cls, "getConflictingPipNet");
fn_wrapper_1a<Context, decltype(&Context::getPipsDownhill), &Context::getPipsDownhill,
wrap_context<const std::vector<PipId> &>, conv_from_str<WireId>>::def_wrap(ctx_cls,
"getPipsDownhill");
fn_wrapper_1a<Context, decltype(&Context::getPipsUphill), &Context::getPipsUphill,
wrap_context<const std::vector<PipId> &>, conv_from_str<WireId>>::def_wrap(ctx_cls, "getPipsUphill");
fn_wrapper_1a<Context, decltype(&Context::getWireAliases), &Context::getWireAliases,
wrap_context<const std::vector<PipId> &>, conv_from_str<WireId>>::def_wrap(ctx_cls, "getWireAliases");
fn_wrapper_1a<Context, decltype(&Context::getPipSrcWire), &Context::getPipSrcWire, conv_to_str<WireId>,
conv_from_str<PipId>>::def_wrap(ctx_cls, "getPipSrcWire");
fn_wrapper_1a<Context, decltype(&Context::getPipDstWire), &Context::getPipDstWire, conv_to_str<WireId>,
conv_from_str<PipId>>::def_wrap(ctx_cls, "getPipDstWire");
fn_wrapper_1a<Context, decltype(&Context::getPipDelay), &Context::getPipDelay, pass_through<DelayInfo>,
conv_from_str<PipId>>::def_wrap(ctx_cls, "getPipDelay");
fn_wrapper_0a<Context, decltype(&Context::getChipName), &Context::getChipName, pass_through<std::string>>::def_wrap(
ctx_cls, "getChipName");
fn_wrapper_0a<Context, decltype(&Context::archId), &Context::archId, conv_to_str<IdString>>::def_wrap(ctx_cls,
"archId");
typedef std::unordered_map<IdString, std::unique_ptr<CellInfo>> CellMap;
typedef std::unordered_map<IdString, std::unique_ptr<NetInfo>> NetMap;
readonly_wrapper<Context, decltype(&Context::cells), &Context::cells, wrap_context<CellMap &>>::def_wrap(ctx_cls,
"cells");
readonly_wrapper<Context, decltype(&Context::nets), &Context::nets, wrap_context<NetMap &>>::def_wrap(ctx_cls,
"nets");
fn_wrapper_2a_v<Context, decltype(&Context::addClock), &Context::addClock, conv_from_str<IdString>,
pass_through<float>>::def_wrap(ctx_cls, "addClock");
WRAP_MAP_UPTR(CellMap, "IdCellMap");
WRAP_MAP_UPTR(NetMap, "IdNetMap");
}
NEXTPNR_NAMESPACE_END