Refactoring, 1st tier:

[SXSI/xpathcomp.git] / src / common_stub.hpp

diff --git a/src/common_stub.hpp b/src/common_stub.hpp
new file mode 100644 (file)
index 0000000..bfacdac
--- /dev/null
+++ b/src/common_stub.hpp
@@ -0,0 +1,58 @@
+#ifndef COMMON_STUB_H_
+#define COMMON_STUB_H_
+
+extern "C" {
+#define CAML_NAME_SPACE
+#include <stdlib.h>
+#include <caml/mlvalues.h>
+#include <caml/alloc.h>
+#include <caml/memory.h>
+#include <caml/callback.h>
+#include <caml/fail.h>
+#include <caml/custom.h>
+#include <caml/bigarray.h>
+#include <stdio.h>
+}
+#include <iostream>
+#include <typeinfo>
+
+void register_custom_(char* name,
+                     size_t size,
+                     void (*finalize)(value v));
+
+value alloc_custom_(char* name);
+
+
+template <class X> void sxsi_finalize_custom(value v)
+{
+  X * obj = * ((X **) Data_custom_val(v));
+  std::cerr << "Finalizing object: " << typeid(X).name() << std::endl;
+  std::cerr.flush();
+  delete obj;
+}
+
+template <class X> value sxsi_alloc_custom()
+{
+  char * name = const_cast<char*>(typeid(X).name());
+  value v = alloc_custom_(name);
+  if (v == Val_unit) {
+    register_custom_(name, sizeof(X*), sxsi_finalize_custom<X>);
+    v = alloc_custom_(name);
+  };
+  return v;
+}
+
+template <class X> X*& Obj_val(value v)
+{
+  //Cannot use Data_custom_val here, it is not a correct lvalue. :-(
+  return (X*&) Field(v,1);
+}
+
+void sxsi_raise_msg(char * msg);
+
+extern "C" {
+value sxsi_cpp_init(value unit);
+}
+
+
+#endif