1 files changed, 39 insertions, 0 deletions
diff --git a/source/blender/functions/intern/field_cpp_type.cc b/source/blender/functions/intern/field_cpp_type.cc
new file mode 100644
index 00000000000..9057bbb887a
--- /dev/null
+++ b/source/blender/functions/intern/field_cpp_type.cc
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include "FN_field_cpp_type.hh"
+
+namespace blender::fn {
+
+static auto &get_from_self_map()
+{
+  static Map<const CPPType *, const ValueOrFieldCPPType *> map;
+  return map;
+}
+
+static auto &get_from_value_map()
+{
+  static Map<const CPPType *, const ValueOrFieldCPPType *> map;
+  return map;
+}
+
+void ValueOrFieldCPPType::register_self()
+{
+  get_from_value_map().add_new(&this->value, this);
+  get_from_self_map().add_new(&this->self, this);
+}
+
+const ValueOrFieldCPPType *ValueOrFieldCPPType::get_from_self(const CPPType &self)
+{
+  const ValueOrFieldCPPType *type = get_from_self_map().lookup_default(&self, nullptr);
+  BLI_assert(type == nullptr || type->self == self);
+  return type;
+}
+
+const ValueOrFieldCPPType *ValueOrFieldCPPType::get_from_value(const CPPType &value)
+{
+  const ValueOrFieldCPPType *type = get_from_value_map().lookup_default(&value, nullptr);
+  BLI_assert(type == nullptr || type->value == value);
+  return type;
+}
+
+}  // namespace blender::fn