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A feature that officially supports nested FlatBuffers.

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Generates convenient accessors for the nested root.

Change-Id: Ic0b1531de7ace475ff2a7b1f430d27f41c838430
Tested: on Windows.
This commit is contained in:
Wouter van Oortmerssen
2014-07-15 17:50:22 -07:00
parent 9143a93312
commit 3e201a99b2
8 changed files with 63 additions and 11 deletions
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11
src/idl_parser.cpp
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@@ -333,6 +333,17 @@ void Parser::ParseField(StructDef &struct_def) {
field.deprecated = field.attributes.Lookup("deprecated") != nullptr;
if (field.deprecated && struct_def.fixed)
Error("can't deprecate fields in a struct");
auto nested = field.attributes.Lookup("nested_flatbuffer");
if (nested) {
if (nested->type.base_type != BASE_TYPE_STRING)
Error("nested_flatbuffer attribute must be a string (the root type)");
if (field.value.type.base_type != BASE_TYPE_VECTOR ||
field.value.type.element != BASE_TYPE_UCHAR)
Error("nested_flatbuffer attribute may only apply to a vector of ubyte");
// This will cause an error if the root type of the nested flatbuffer
// wasn't defined elsewhere.
LookupCreateStruct(nested->constant);
}
if (typefield) {
// If this field is a union, and it has a manually assigned id,