Fix type shadowing (#152)

The type buffer_t is defined in the class PointerMapper and redefined to a different type in get_buffer which results in shadowing warnings. SYCLmalloc doesn't have this issue but the alias should probably be changed for consistency.

Author: Rbiessy

include/vptr/virtual_ptr.hpp

@@ -232,13 +232,13 @@ class PointerMapper {
  template <typename buffer_data_type = buffer_data_type_t>
  cl::sycl::buffer<buffer_data_type, 1> get_buffer(
  const virtual_pointer_t ptr) {
- using buffer_t = cl::sycl::buffer<buffer_data_type, 1>;
+ using sycl_buffer_t = cl::sycl::buffer<buffer_data_type, 1>;
 
  // get_node() returns a `buffer_mem`, so we need to cast it to a `buffer<>`.
  // We can do this without the `buffer_mem` being a pointer, as we
  // only declare member variables in the base class (`buffer_mem`) and not in
  // the child class (`buffer<>).
- return *(static_cast<buffer_t*>(&get_node(ptr)->second.m_buffer));
+ return *(static_cast<sycl_buffer_t*>(&get_node(ptr)->second.m_buffer));
  }
 
  /**
@@ -505,8 +505,8 @@ inline void* SYCLmalloc(size_t size, PointerMapper& pMap) {
  return nullptr;
  }
  // Create a generic buffer of the given size
- using buffer_t = cl::sycl::buffer<buffer_data_type_t, 1>;
- auto thePointer = pMap.add_pointer(buffer_t(cl::sycl::range<1>{size}));
+ using sycl_buffer_t = cl::sycl::buffer<buffer_data_type_t, 1>;
+ auto thePointer = pMap.add_pointer(sycl_buffer_t(cl::sycl::range<1>{size}));
  // Store the buffer on the global list
  return static_cast<void*>(thePointer);
 }