expression const_cast_(
const std::shared_ptr< llvm::LLVMContext > &context,
const std::shared_ptr< ir_builder_t > &ir_builder,
const type cast_to,
const expression &value
) {
if(
type_traits::is_reference( value.type() ) ||
type_traits::is_pointer( value.type() )
) {
if(
value.type().which() == cast_to.which()
) return remove_const_cast( context, ir_builder, cast_to, value );
else if(
type_traits::is_reference( value.type() ) &&
type_traits::is_pointer( cast_to )
) {
const auto dereferenced = remove_reference( context, ir_builder, value );
return const_cast_( context, ir_builder, cast_to, dereferenced );
}
else if(
type_traits::is_rvalue_reference( value.type() ) &&
type_traits::is_lvalue_reference( cast_to )
) return reference_cast( context, ir_builder, cast_to, value );
}
throw exceptions::invalid_cast();
}
PyObject* wrap_property_helper(PyTypeObject* type,const char* name,getter get_wrapper,setter set_wrapper,void* getset) {
// Make a PyGetSetDef
PyGetSetDef* def = (PyGetSetDef*)malloc(sizeof(PyGetSetDef));
memset(def,0,sizeof(PyGetSetDef));
def->name = const_cast_(name);
def->get = get_wrapper;
def->set = set_wrapper;
def->closure = getset;
// Allocate descriptor
PyObject* descr = PyDescr_NewGetSet(type,def);
if (!descr) throw_python_error();
return descr;
}
PolygonSoup::PolygonSoup(Array<const int> counts, Array<const int> vertices, const int min_nodes)
: counts(counts)
, vertices(vertices)
, node_count(max(0,min_nodes))
, half_edge_count(counts.sum()) {
// Assert validity and compute counts
GEODE_ASSERT(half_edge_count==vertices.size());
for (int i=0;i<counts.size();i++)
GEODE_ASSERT(counts[i]>=3); // Polygons must be at least triangles
for (int i=0;i<vertices.size();i++) {
GEODE_ASSERT(vertices[i]>=0);
const_cast_(node_count) = max(node_count,vertices[i]+1);
}
}