[CPPRT]

- Add C++ runtime library for MSVC (analogous to GCC's libsupc++)
CORE-6950

svn path=/trunk/; revision=59289

reactos/lib/sdk/CMakeLists.txt

@@ -1,5 +1,8 @@
 
 add_subdirectory(comsupp)
+if(MSVC)
+    add_subdirectory(cpprt)
+endif()
 add_subdirectory(crt)
 add_subdirectory(delayimp)
 add_subdirectory(dxguid)

reactos/lib/sdk/cpprt/CMakeLists.txt

@@ -0,0 +1,4 @@
+
+set_cpp(WITH_EXCEPTIONS)
+
+add_library(cpprt ehvec.cpp typeinfo.cpp i386/cpprt.s)

reactos/lib/sdk/cpprt/ehvec.cpp

@@ -0,0 +1,48 @@
+/*
+ * PROJECT:         ReactOS c++ runtime library
+ * LICENSE:         GPLv2+ - See COPYING in the top level directory
+ * PURPOSE:         Exception-handling vector ctor/dtor iterator implementation
+ * PROGRAMMER:      Thomas Faber (thomas.faber@reactos.org)
+ */
+
+#include <stddef.h>
+
+void __stdcall MSVCRTEX_eh_vector_constructor_iterator(void *pMem, size_t sizeOfItem, int nItems, void (__thiscall *ctor)(void *), void (__thiscall *dtor)(void *))
+{
+    char *pEnd = static_cast<char *>(pMem) + nItems * sizeOfItem;
+    for (char *pItem = static_cast<char *>(pMem);
+         pItem < pEnd;
+         pItem += sizeOfItem)
+    {
+        try
+        {
+            ctor(pItem);
+        }
+        catch (...)
+        {
+            for (pItem -= sizeOfItem; pItem >= pMem; pItem -= sizeOfItem)
+                dtor(pItem);
+            throw;
+        }
+    }
+}
+
+void __stdcall MSVCRTEX_eh_vector_destructor_iterator(void *pMem, size_t sizeOfItem, int nItems, void (__thiscall *dtor)(void *))
+{
+    char *pEnd = static_cast<char *>(pMem) + nItems * sizeOfItem;
+    for (char *pItem = pEnd - sizeOfItem;
+         pItem >= pMem;
+         pItem -= sizeOfItem)
+    {
+        try
+        {
+            dtor(pItem);
+        }
+        catch (...)
+        {
+            for (pItem -= sizeOfItem; pItem >= pMem; pItem -= sizeOfItem)
+                dtor(pItem);
+            throw;
+        }
+    }
+}

reactos/lib/sdk/cpprt/i386/cpprt.s

@@ -0,0 +1,16 @@
+#include <asm.inc>
+
+.code
+
+MACRO(DEFINE_ALIAS, alias, orig, type)
+EXTERN &orig:&type
+ALIAS <&alias> = <&orig>
+ENDM
+
+; void __stdcall `eh vector constructor iterator'(void *,unsigned int,int,void (__thiscall*)(void *),void (__thiscall*)(void *))
+DEFINE_ALIAS ??_L@YGXPAXIHP6EX0@Z1@Z, ?MSVCRTEX_eh_vector_constructor_iterator@@YGXPAXIHP6EX0@Z1@Z
+
+; void __stdcall `eh vector destructor iterator'(void *,unsigned int,int,void (__thiscall*)(void *))
+DEFINE_ALIAS ??_M@YGXPAXIHP6EX0@Z@Z, ?MSVCRTEX_eh_vector_destructor_iterator@@YGXPAXIHP6EX0@Z@Z
+
+END

reactos/lib/sdk/cpprt/typeinfo.cpp

@@ -0,0 +1,27 @@
+/*
+ * PROJECT:         ReactOS c++ runtime library
+ * LICENSE:         GPLv2+ - See COPYING in the top level directory
+ * PURPOSE:         Type info stub implementation
+ * PROGRAMMER:      Thomas Faber (thomas.faber@reactos.org)
+ */
+
+/* TODO: #include <exception> instead */
+class type_info {
+public:
+    __declspec(dllimport) virtual ~type_info();
+private:
+    type_info(const type_info &);
+    type_info &operator=(const type_info &);
+};
+
+/* These stubs don't need to do anything (those private functions are never
+ * called). They need to be in cpprt, though, in order to have the vtable
+ * and generated destructor thunks available to programs */
+type_info::type_info(const type_info &)
+{
+}
+
+type_info &type_info::operator=(const type_info &)
+{
+    return *this;
+}