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Add flatc '--cpp_std' switch (#5656)

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* Add flatc '--cpp_std' switch and sandbox for C++17 code generator

- Added 'flac --cpp_std legacy' for compatibility with old compilers (VS2010);
- Added experimental switch 'flac --cpp_std c++17' for future development;
- Added C++17 sandbox test_cpp17.cpp;
- C++ code generator generates enums with explicit underlying type to avoid problems with the forward and backward schema compatibility;
- Adjusted CMakeLists.txt, CI and generate code scripts to support of introduced '--cpp_std';

* Fix --cpp_std values: c++0x, c++11, c++17

* Add 'cpp::CppStandard' enum

* Add testing engine into test_cpp17

* Rebase to upstream/master

* Set default '--cpp-std C++0x'

* Fix code generation (--cpp_std C++11) in CMakeLists.txt

- Fix dependency declaration of grpctest target

* Revert --cpp-std for the tests from explicit C++11 to flatc default value (C++0x)
This commit is contained in:
Vladimir Glavnyy
2019-12-24 03:13:48 +07:00
committed by Wouter van Oortmerssen
parent 3e8f15df90
commit 44bf719883
41 changed files with 4363 additions and 254 deletions
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45
tests/test_builder.h
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@@ -21,10 +21,19 @@ template<class T, class U> struct is_same { static const bool value = false; };
template<class T> struct is_same<T, T> { static const bool value = true; };
extern const std::string m1_name;
extern const Color m1_color;
extern const std::string m2_name;
extern const Color m2_color;
inline std::string m1_name() { return "Cyberdemon"; }
inline std::string m2_name() { return "Imp"; }
inline MyGame::Example::Color m1_color() {
return MyGame::Example::Color_Red;
}
inline MyGame::Example::Color m2_color() {
return MyGame::Example::Color_Green;
}
inline void m1_color_check() {
// Ensure that all compilation units see the same monster_test_generated.h.
extern void CheckTestGeneratedIsValid(const MyGame::Example::Color&);
CheckTestGeneratedIsValid(m1_color());
}
flatbuffers::Offset<Monster> populate1(flatbuffers::FlatBufferBuilder &builder);
flatbuffers::Offset<Monster> populate2(flatbuffers::FlatBufferBuilder &builder);
@@ -66,7 +75,7 @@ void builder_move_assign_after_releaseraw_test(Builder b1) {
// Move into a released builder.
b1 = std::move(src);
TEST_EQ_FUNC(b1.GetSize(), src_size);
TEST_ASSERT_FUNC(release_n_verify(b1, m2_name, m2_color));
TEST_ASSERT_FUNC(release_n_verify(b1, m2_name(), m2_color()));
TEST_EQ_FUNC(src.GetSize(), 0);
}
// clang-format off
@@ -104,7 +113,7 @@ struct BuilderTests {
auto root_offset1 = populate1(src);
DestBuilder dst(std::move(src));
dst.Finish(root_offset1);
TEST_ASSERT_FUNC(release_n_verify(dst, m1_name, m1_color));
TEST_ASSERT_FUNC(release_n_verify(dst, m1_name(), m1_color()));
TEST_EQ_FUNC(src.GetSize(), 0);
}
@@ -115,7 +124,7 @@ struct BuilderTests {
auto src_size = src.GetSize();
DestBuilder dst(std::move(src));
TEST_EQ_FUNC(dst.GetSize(), src_size);
TEST_ASSERT_FUNC(release_n_verify(dst, m1_name, m1_color));
TEST_ASSERT_FUNC(release_n_verify(dst, m1_name(), m1_color()));
TEST_EQ_FUNC(src.GetSize(), 0);
}
@@ -126,7 +135,7 @@ struct BuilderTests {
populate2(dst);
dst = std::move(src);
dst.Finish(root_offset1);
TEST_ASSERT_FUNC(release_n_verify(dst, m1_name, m1_color));
TEST_ASSERT_FUNC(release_n_verify(dst, m1_name(), m1_color()));
TEST_EQ_FUNC(src.GetSize(), 0);
}
@@ -140,7 +149,7 @@ struct BuilderTests {
dst.Finish(root_offset2);
dst = std::move(src);
TEST_EQ_FUNC(dst.GetSize(), src_size);
TEST_ASSERT_FUNC(release_n_verify(dst, m1_name, m1_color));
TEST_ASSERT_FUNC(release_n_verify(dst, m1_name(), m1_color()));
TEST_EQ_FUNC(src.GetSize(), 0);
}
@@ -159,7 +168,7 @@ struct BuilderTests {
// Move into a released builder.
dst = std::move(src);
TEST_EQ_FUNC(dst.GetSize(), src_size);
TEST_ASSERT_FUNC(release_n_verify(dst, m2_name, m2_color));
TEST_ASSERT_FUNC(release_n_verify(dst, m2_name(), m2_color()));
TEST_EQ_FUNC(src.GetSize(), 0);
}
// clang-format off
@@ -181,8 +190,8 @@ struct BuilderTests {
dst.Finish(root_offset1);
TEST_EQ_FUNC(src.GetSize() > size2, true);
TEST_EQ_FUNC(dst.GetSize() > size1, true);
TEST_ASSERT_FUNC(release_n_verify(src, m2_name, m2_color));
TEST_ASSERT_FUNC(release_n_verify(dst, m1_name, m1_color));
TEST_ASSERT_FUNC(release_n_verify(src, m2_name(), m2_color()));
TEST_ASSERT_FUNC(release_n_verify(dst, m1_name(), m1_color()));
}
}
@@ -201,8 +210,8 @@ struct BuilderTests {
src.Swap(dst);
TEST_EQ_FUNC(src.GetSize(), size2);
TEST_EQ_FUNC(dst.GetSize(), size1);
TEST_ASSERT_FUNC(release_n_verify(src, m2_name, m2_color));
TEST_ASSERT_FUNC(release_n_verify(dst, m1_name, m1_color));
TEST_ASSERT_FUNC(release_n_verify(src, m2_name(), m2_color()));
TEST_ASSERT_FUNC(release_n_verify(dst, m1_name(), m1_color()));
}
}
@@ -247,7 +256,7 @@ template<class DestBuilder, class SrcBuilder> struct BuilderReuseTests {
auto root_offset1 = populate1(fbb);
fbb.Finish(root_offset1);
buffers.push_back(fbb.Release());
TEST_ASSERT_FUNC(verify(buffers[i], m1_name, m1_color));
TEST_ASSERT_FUNC(verify(buffers[i], m1_name(), m1_color()));
}
}
@@ -260,7 +269,7 @@ template<class DestBuilder, class SrcBuilder> struct BuilderReuseTests {
fbb.Finish(root_offset1);
size_t size, offset;
uint8_t *buf = release_raw_base(fbb, size, offset);
TEST_ASSERT_FUNC(verify(buf, offset, m1_name, m1_color));
TEST_ASSERT_FUNC(verify(buf, offset, m1_name(), m1_color()));
free_raw(fbb, buf);
}
}
@@ -278,7 +287,7 @@ template<class DestBuilder, class SrcBuilder> struct BuilderReuseTests {
auto root_offset1 = populate1(dst);
dst.Finish(root_offset1);
buffers.push_back(dst.Release());
TEST_ASSERT_FUNC(verify(buffers[i], m1_name, m1_color));
TEST_ASSERT_FUNC(verify(buffers[i], m1_name(), m1_color()));
SrcBuilder src;
dst = std::move(src);
TEST_EQ_FUNC(src.GetSize(), 0);
@@ -295,7 +304,7 @@ template<class DestBuilder, class SrcBuilder> struct BuilderReuseTests {
dst.Finish(root_offset1);
size_t size, offset;
uint8_t *buf = release_raw_base(dst, size, offset);
TEST_ASSERT_FUNC(verify(buf, offset, m1_name, m1_color));
TEST_ASSERT_FUNC(verify(buf, offset, m1_name(), m1_color()));
free_raw(dst, buf);
SrcBuilder src;
dst = std::move(src);