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Support attribute "cpp_ptr_type" on table elements marked as "hash" (#4643)

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* added intended use-cases to monster_test.fbs

* added check for `cpp_ptr_type` on hashed fields
added default value 'naked' to `cpp_ptr_type` on hashed fields

* added C++ generation of cpp_type vectors
removed ctor call for vector fields
added condition !vector for cpp_type check
added Pack() and UnPack() code generation for vector of hashes
added generation of correct resolve/rehash for cpp_type elements

* added attribute 'cpp_ptr_type_get' to hold accessor for pointer types possible where '.get()' does not work
use case: cpp_ptr_type:"std::weak_ptr", cpp_ptr_type_get:".lock().get()"

* run flatc to re-generate headers

* added bool param is_ctor to GetDefaultScalarValue() to differentiate between usage places

* modified monster_test.fbs to remove usage of shared_ptr/weak_ptr
reason: STLport does not support std::shared_ptr and std::weak_ptr

* run flatc again to re-generate headers

* fixed symbol unique_ptr not in namespace std when building with STLport
This commit is contained in:
Christian Helmich
2018-03-06 01:40:56 +09:00
committed by Wouter van Oortmerssen
parent 4ea1be53d4
commit 9ce98dd77d
16 changed files with 1074 additions and 74 deletions
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include/flatbuffers/idl.h
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@@ -532,6 +532,7 @@ class Parser : public ParserState {
known_attributes_["idempotent"] = true;
known_attributes_["cpp_type"] = true;
known_attributes_["cpp_ptr_type"] = true;
known_attributes_["cpp_ptr_type_get"] = true;
known_attributes_["cpp_str_type"] = true;
known_attributes_["native_inline"] = true;
known_attributes_["native_custom_alloc"] = true;