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C# support for directly reading and writting to memory other than byte[]. For example, ByteBuffer can be initialized with a custom allocator which uses shared memory / memory mapped files. (#4886)

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Public access to the backing buffer uses Span<T> instead of ArraySegment<T>.

Writing to the buffer now supports Span<T> in addition to T[].

To maintain backwards compatibility ENABLE_SPAN_T must be defined.
This commit is contained in:
Christopher Cifra
2018-08-23 12:05:31 -05:00
committed by Wouter van Oortmerssen
parent e1f48ad35a
commit d0321df8cf
10 changed files with 545 additions and 127 deletions
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9
src/idl_gen_general.cpp
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@@ -1113,12 +1113,21 @@ class GeneralGenerator : public BaseGenerator {
code += "); }\n";
break;
case IDLOptions::kCSharp:
code += "#if ENABLE_SPAN_T\n";
code += " public Span<byte> Get";
code += MakeCamel(field.name, lang_.first_camel_upper);
code += "Bytes() { return ";
code += lang_.accessor_prefix + "__vector_as_span(";
code += NumToString(field.value.offset);
code += "); }\n";
code += "#else\n";
code += " public ArraySegment<byte>? Get";
code += MakeCamel(field.name, lang_.first_camel_upper);
code += "Bytes() { return ";
code += lang_.accessor_prefix + "__vector_as_arraysegment(";
code += NumToString(field.value.offset);
code += "); }\n";
code += "#endif\n";
// For direct blockcopying the data into a typed array
code += " public ";