Also added a pretty much untested and totally incomplete STL string type.

bastl/src/exception.cpp

@@ -0,0 +1,17 @@
+
+#include <exception>
+
+namespace std
+{
+const char* exception::what() const noexcept
+{
+    return "";
+}
+}
+
+#if !defined(__cpp_exceptions)
+namespace ba::impl
+{
+ExceptionAbortHelper gAbortHelper;
+}
+#endif

bastl/src/new.cpp

@@ -0,0 +1,50 @@
+
+#include <new>
+
+#include <cstdlib>
+
+namespace std
+{
+const char* bad_alloc::what() const noexcept
+{
+    return "bad_alloc";
+}
+}
+
+void* operator new(size_t count)
+{
+    if (void* ptr = malloc(count); ptr != nullptr)
+    {
+        return ptr;
+    }
+    __ba_throw std::bad_alloc();
+}
+
+void operator delete(void* data) noexcept
+{
+    std::free(data);
+}
+
+void* operator new[](size_t count)
+{
+    if (void* ptr = malloc(count); ptr != nullptr)
+    {
+        return ptr;
+    }
+    __ba_throw std::bad_alloc();
+}
+
+void operator delete[](void* data) noexcept
+{
+    std::free(data);
+}
+
+void operator delete(void* data, size_t /* size */) noexcept
+{
+    std::free(data);
+}
+
+void operator delete[](void* data, size_t /* size */) noexcept
+{
+    std::free(data);
+}