Rename rs_src_code_gen to src_code_gen.
Originally we planned to have C++ code generation implemented in C++, but now we
decided to generate C++ in Rust using quote! macro.
Therefore there will only be one src_code_gen.
PiperOrigin-RevId: 391488138
diff --git a/rs_bindings_from_cc/src_code_gen.cc b/rs_bindings_from_cc/src_code_gen.cc
new file mode 100644
index 0000000..5ee9cb8
--- /dev/null
+++ b/rs_bindings_from_cc/src_code_gen.cc
@@ -0,0 +1,48 @@
+// Part of the Crubit project, under the Apache License v2.0 with LLVM
+// Exceptions. See /LICENSE for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+#include "rs_bindings_from_cc/src_code_gen.h"
+
+#include <stddef.h>
+
+#include <string>
+
+#include "rs_bindings_from_cc/ir.h"
+#include "third_party/absl/strings/string_view.h"
+#include "third_party/json/src/json.hpp"
+
+namespace rs_bindings_from_cc {
+
+struct FfiU8SliceBox {
+ const char* ptr;
+ size_t size;
+};
+
+struct FfiU8Slice {
+ const char* ptr;
+ size_t size;
+};
+
+static FfiU8Slice MakeFfiU8Slice(absl::string_view s) {
+ FfiU8Slice result;
+ result.ptr = s.data();
+ result.size = s.size();
+ return result;
+}
+
+// This function is implemented in Rust.
+extern "C" FfiU8SliceBox GenerateRustApiImpl(FfiU8Slice);
+
+// This function is implemented in Rust.
+extern "C" void FreeFfiU8SliceBox(FfiU8SliceBox);
+
+std::string GenerateRustApi(const IR& ir) {
+ std::string json = ir.ToJson().dump();
+ FfiU8SliceBox slice_box = GenerateRustApiImpl(MakeFfiU8Slice(json));
+ std::string rs_api(slice_box.ptr, slice_box.size);
+ FreeFfiU8SliceBox(slice_box);
+ return rs_api;
+}
+
+} // namespace rs_bindings_from_cc
