Merge commit '0f6aab9da6fe982218a01f4a5b896e65fcced437' as 'third_party/flatbuffers'

third_party/flatbuffers/tests/namespace_test/namespace_a/namespace_b/enum_in_nested_ns_generated.rs

@@ -0,0 +1,100 @@
+// automatically generated by the FlatBuffers compiler, do not modify
+// @generated
+extern crate alloc;
+extern crate flatbuffers;
+use alloc::boxed::Box;
+use alloc::string::{String, ToString};
+use alloc::vec::Vec;
+use core::mem;
+use core::cmp::Ordering;
+use self::flatbuffers::{EndianScalar, Follow};
+use super::*;
+#[deprecated(since = "2.0.0", note = "Use associated constants instead. This will no longer be generated in 2021.")]
+pub const ENUM_MIN_ENUM_IN_NESTED_NS: i8 = 0;
+#[deprecated(since = "2.0.0", note = "Use associated constants instead. This will no longer be generated in 2021.")]
+pub const ENUM_MAX_ENUM_IN_NESTED_NS: i8 = 2;
+#[deprecated(since = "2.0.0", note = "Use associated constants instead. This will no longer be generated in 2021.")]
+#[allow(non_camel_case_types)]
+pub const ENUM_VALUES_ENUM_IN_NESTED_NS: [EnumInNestedNS; 3] = [
+  EnumInNestedNS::A,
+  EnumInNestedNS::B,
+  EnumInNestedNS::C,
+];
+
+#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
+#[repr(transparent)]
+pub struct EnumInNestedNS(pub i8);
+#[allow(non_upper_case_globals)]
+impl EnumInNestedNS {
+  pub const A: Self = Self(0);
+  pub const B: Self = Self(1);
+  pub const C: Self = Self(2);
+
+  pub const ENUM_MIN: i8 = 0;
+  pub const ENUM_MAX: i8 = 2;
+  pub const ENUM_VALUES: &'static [Self] = &[
+    Self::A,
+    Self::B,
+    Self::C,
+  ];
+  /// Returns the variant's name or "" if unknown.
+  pub fn variant_name(self) -> Option<&'static str> {
+    match self {
+      Self::A => Some("A"),
+      Self::B => Some("B"),
+      Self::C => Some("C"),
+      _ => None,
+    }
+  }
+}
+impl core::fmt::Debug for EnumInNestedNS {
+  fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
+    if let Some(name) = self.variant_name() {
+      f.write_str(name)
+    } else {
+      f.write_fmt(format_args!("<UNKNOWN {:?}>", self.0))
+    }
+  }
+}
+impl<'a> flatbuffers::Follow<'a> for EnumInNestedNS {
+  type Inner = Self;
+  #[inline]
+  unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
+    let b = flatbuffers::read_scalar_at::<i8>(buf, loc);
+    Self(b)
+  }
+}
+
+impl flatbuffers::Push for EnumInNestedNS {
+    type Output = EnumInNestedNS;
+    #[inline]
+    unsafe fn push(&self, dst: &mut [u8], _written_len: usize) {
+        flatbuffers::emplace_scalar::<i8>(dst, self.0);
+    }
+}
+
+impl flatbuffers::EndianScalar for EnumInNestedNS {
+  type Scalar = i8;
+  #[inline]
+  fn to_little_endian(self) -> i8 {
+    self.0.to_le()
+  }
+  #[inline]
+  #[allow(clippy::wrong_self_convention)]
+  fn from_little_endian(v: i8) -> Self {
+    let b = i8::from_le(v);
+    Self(b)
+  }
+}
+
+impl<'a> flatbuffers::Verifiable for EnumInNestedNS {
+  #[inline]
+  fn run_verifier(
+    v: &mut flatbuffers::Verifier, pos: usize
+  ) -> Result<(), flatbuffers::InvalidFlatbuffer> {
+    use self::flatbuffers::Verifiable;
+    i8::run_verifier(v, pos)
+  }
+}
+
+impl flatbuffers::SimpleToVerifyInSlice for EnumInNestedNS {}

third_party/flatbuffers/tests/namespace_test/namespace_a/namespace_b/struct_in_nested_ns_generated.rs

@@ -0,0 +1,159 @@
+// automatically generated by the FlatBuffers compiler, do not modify
+// @generated
+extern crate alloc;
+extern crate flatbuffers;
+use alloc::boxed::Box;
+use alloc::string::{String, ToString};
+use alloc::vec::Vec;
+use core::mem;
+use core::cmp::Ordering;
+use self::flatbuffers::{EndianScalar, Follow};
+use super::*;
+// struct StructInNestedNS, aligned to 4
+#[repr(transparent)]
+#[derive(Clone, Copy, PartialEq)]
+pub struct StructInNestedNS(pub [u8; 8]);
+impl Default for StructInNestedNS { 
+  fn default() -> Self { 
+    Self([0; 8])
+  }
+}
+impl core::fmt::Debug for StructInNestedNS {
+  fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
+    f.debug_struct("StructInNestedNS")
+      .field("a", &self.a())
+      .field("b", &self.b())
+      .finish()
+  }
+}
+
+impl flatbuffers::SimpleToVerifyInSlice for StructInNestedNS {}
+impl<'a> flatbuffers::Follow<'a> for StructInNestedNS {
+  type Inner = &'a StructInNestedNS;
+  #[inline]
+  unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
+    <&'a StructInNestedNS>::follow(buf, loc)
+  }
+}
+impl<'a> flatbuffers::Follow<'a> for &'a StructInNestedNS {
+  type Inner = &'a StructInNestedNS;
+  #[inline]
+  unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
+    flatbuffers::follow_cast_ref::<StructInNestedNS>(buf, loc)
+  }
+}
+impl<'b> flatbuffers::Push for StructInNestedNS {
+    type Output = StructInNestedNS;
+    #[inline]
+    unsafe fn push(&self, dst: &mut [u8], _written_len: usize) {
+        let src = ::core::slice::from_raw_parts(self as *const StructInNestedNS as *const u8, Self::size());
+        dst.copy_from_slice(src);
+    }
+}
+
+impl<'a> flatbuffers::Verifiable for StructInNestedNS {
+  #[inline]
+  fn run_verifier(
+    v: &mut flatbuffers::Verifier, pos: usize
+  ) -> Result<(), flatbuffers::InvalidFlatbuffer> {
+    use self::flatbuffers::Verifiable;
+    v.in_buffer::<Self>(pos)
+  }
+}
+
+impl<'a> StructInNestedNS {
+  #[allow(clippy::too_many_arguments)]
+  pub fn new(
+    a: i32,
+    b: i32,
+  ) -> Self {
+    let mut s = Self([0; 8]);
+    s.set_a(a);
+    s.set_b(b);
+    s
+  }
+
+  pub const fn get_fully_qualified_name() -> &'static str {
+    "NamespaceA.NamespaceB.StructInNestedNS"
+  }
+
+  pub fn a(&self) -> i32 {
+    let mut mem = core::mem::MaybeUninit::<<i32 as EndianScalar>::Scalar>::uninit();
+    // Safety:
+    // Created from a valid Table for this object
+    // Which contains a valid value in this slot
+    EndianScalar::from_little_endian(unsafe {
+      core::ptr::copy_nonoverlapping(
+        self.0[0..].as_ptr(),
+        mem.as_mut_ptr() as *mut u8,
+        core::mem::size_of::<<i32 as EndianScalar>::Scalar>(),
+      );
+      mem.assume_init()
+    })
+  }
+
+  pub fn set_a(&mut self, x: i32) {
+    let x_le = x.to_little_endian();
+    // Safety:
+    // Created from a valid Table for this object
+    // Which contains a valid value in this slot
+    unsafe {
+      core::ptr::copy_nonoverlapping(
+        &x_le as *const _ as *const u8,
+        self.0[0..].as_mut_ptr(),
+        core::mem::size_of::<<i32 as EndianScalar>::Scalar>(),
+      );
+    }
+  }
+
+  pub fn b(&self) -> i32 {
+    let mut mem = core::mem::MaybeUninit::<<i32 as EndianScalar>::Scalar>::uninit();
+    // Safety:
+    // Created from a valid Table for this object
+    // Which contains a valid value in this slot
+    EndianScalar::from_little_endian(unsafe {
+      core::ptr::copy_nonoverlapping(
+        self.0[4..].as_ptr(),
+        mem.as_mut_ptr() as *mut u8,
+        core::mem::size_of::<<i32 as EndianScalar>::Scalar>(),
+      );
+      mem.assume_init()
+    })
+  }
+
+  pub fn set_b(&mut self, x: i32) {
+    let x_le = x.to_little_endian();
+    // Safety:
+    // Created from a valid Table for this object
+    // Which contains a valid value in this slot
+    unsafe {
+      core::ptr::copy_nonoverlapping(
+        &x_le as *const _ as *const u8,
+        self.0[4..].as_mut_ptr(),
+        core::mem::size_of::<<i32 as EndianScalar>::Scalar>(),
+      );
+    }
+  }
+
+  pub fn unpack(&self) -> StructInNestedNST {
+    StructInNestedNST {
+      a: self.a(),
+      b: self.b(),
+    }
+  }
+}
+
+#[derive(Debug, Clone, PartialEq, Default)]
+pub struct StructInNestedNST {
+  pub a: i32,
+  pub b: i32,
+}
+impl StructInNestedNST {
+  pub fn pack(&self) -> StructInNestedNS {
+    StructInNestedNS::new(
+      self.a,
+      self.b,
+    )
+  }
+}
+

third_party/flatbuffers/tests/namespace_test/namespace_a/namespace_b/table_in_nested_ns_generated.rs

@@ -0,0 +1,141 @@
+// automatically generated by the FlatBuffers compiler, do not modify
+// @generated
+extern crate alloc;
+extern crate flatbuffers;
+use alloc::boxed::Box;
+use alloc::string::{String, ToString};
+use alloc::vec::Vec;
+use core::mem;
+use core::cmp::Ordering;
+use self::flatbuffers::{EndianScalar, Follow};
+use super::*;
+pub enum TableInNestedNSOffset {}
+#[derive(Copy, Clone, PartialEq)]
+
+pub struct TableInNestedNS<'a> {
+  pub _tab: flatbuffers::Table<'a>,
+}
+
+impl<'a> flatbuffers::Follow<'a> for TableInNestedNS<'a> {
+  type Inner = TableInNestedNS<'a>;
+  #[inline]
+  unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
+    Self { _tab: flatbuffers::Table::new(buf, loc) }
+  }
+}
+
+impl<'a> TableInNestedNS<'a> {
+  pub const VT_FOO: flatbuffers::VOffsetT = 4;
+
+  pub const fn get_fully_qualified_name() -> &'static str {
+    "NamespaceA.NamespaceB.TableInNestedNS"
+  }
+
+  #[inline]
+  pub unsafe fn init_from_table(table: flatbuffers::Table<'a>) -> Self {
+    TableInNestedNS { _tab: table }
+  }
+  #[allow(unused_mut)]
+  pub fn create<'bldr: 'args, 'args: 'mut_bldr, 'mut_bldr, A: flatbuffers::Allocator + 'bldr>(
+    _fbb: &'mut_bldr mut flatbuffers::FlatBufferBuilder<'bldr, A>,
+    args: &'args TableInNestedNSArgs
+  ) -> flatbuffers::WIPOffset<TableInNestedNS<'bldr>> {
+    let mut builder = TableInNestedNSBuilder::new(_fbb);
+    builder.add_foo(args.foo);
+    builder.finish()
+  }
+
+  pub fn unpack(&self) -> TableInNestedNST {
+    let foo = self.foo();
+    TableInNestedNST {
+      foo,
+    }
+  }
+
+  #[inline]
+  pub fn foo(&self) -> i32 {
+    // Safety:
+    // Created from valid Table for this object
+    // which contains a valid value in this slot
+    unsafe { self._tab.get::<i32>(TableInNestedNS::VT_FOO, Some(0)).unwrap()}
+  }
+}
+
+impl flatbuffers::Verifiable for TableInNestedNS<'_> {
+  #[inline]
+  fn run_verifier(
+    v: &mut flatbuffers::Verifier, pos: usize
+  ) -> Result<(), flatbuffers::InvalidFlatbuffer> {
+    use self::flatbuffers::Verifiable;
+    v.visit_table(pos)?
+     .visit_field::<i32>("foo", Self::VT_FOO, false)?
+     .finish();
+    Ok(())
+  }
+}
+pub struct TableInNestedNSArgs {
+    pub foo: i32,
+}
+impl<'a> Default for TableInNestedNSArgs {
+  #[inline]
+  fn default() -> Self {
+    TableInNestedNSArgs {
+      foo: 0,
+    }
+  }
+}
+
+pub struct TableInNestedNSBuilder<'a: 'b, 'b, A: flatbuffers::Allocator + 'a> {
+  fbb_: &'b mut flatbuffers::FlatBufferBuilder<'a, A>,
+  start_: flatbuffers::WIPOffset<flatbuffers::TableUnfinishedWIPOffset>,
+}
+impl<'a: 'b, 'b, A: flatbuffers::Allocator + 'a> TableInNestedNSBuilder<'a, 'b, A> {
+  #[inline]
+  pub fn add_foo(&mut self, foo: i32) {
+    self.fbb_.push_slot::<i32>(TableInNestedNS::VT_FOO, foo, 0);
+  }
+  #[inline]
+  pub fn new(_fbb: &'b mut flatbuffers::FlatBufferBuilder<'a, A>) -> TableInNestedNSBuilder<'a, 'b, A> {
+    let start = _fbb.start_table();
+    TableInNestedNSBuilder {
+      fbb_: _fbb,
+      start_: start,
+    }
+  }
+  #[inline]
+  pub fn finish(self) -> flatbuffers::WIPOffset<TableInNestedNS<'a>> {
+    let o = self.fbb_.end_table(self.start_);
+    flatbuffers::WIPOffset::new(o.value())
+  }
+}
+
+impl core::fmt::Debug for TableInNestedNS<'_> {
+  fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+    let mut ds = f.debug_struct("TableInNestedNS");
+      ds.field("foo", &self.foo());
+      ds.finish()
+  }
+}
+#[non_exhaustive]
+#[derive(Debug, Clone, PartialEq)]
+pub struct TableInNestedNST {
+  pub foo: i32,
+}
+impl Default for TableInNestedNST {
+  fn default() -> Self {
+    Self {
+      foo: 0,
+    }
+  }
+}
+impl TableInNestedNST {
+  pub fn pack<'b, A: flatbuffers::Allocator + 'b>(
+    &self,
+    _fbb: &mut flatbuffers::FlatBufferBuilder<'b, A>
+  ) -> flatbuffers::WIPOffset<TableInNestedNS<'b>> {
+    let foo = self.foo;
+    TableInNestedNS::create(_fbb, &TableInNestedNSArgs{
+      foo,
+    })
+  }
+}

third_party/flatbuffers/tests/namespace_test/namespace_a/namespace_b/union_in_nested_ns_generated.rs

@@ -0,0 +1,145 @@
+// automatically generated by the FlatBuffers compiler, do not modify
+// @generated
+extern crate alloc;
+extern crate flatbuffers;
+use alloc::boxed::Box;
+use alloc::string::{String, ToString};
+use alloc::vec::Vec;
+use core::mem;
+use core::cmp::Ordering;
+use self::flatbuffers::{EndianScalar, Follow};
+use super::*;
+#[deprecated(since = "2.0.0", note = "Use associated constants instead. This will no longer be generated in 2021.")]
+pub const ENUM_MIN_UNION_IN_NESTED_NS: u8 = 0;
+#[deprecated(since = "2.0.0", note = "Use associated constants instead. This will no longer be generated in 2021.")]
+pub const ENUM_MAX_UNION_IN_NESTED_NS: u8 = 1;
+#[deprecated(since = "2.0.0", note = "Use associated constants instead. This will no longer be generated in 2021.")]
+#[allow(non_camel_case_types)]
+pub const ENUM_VALUES_UNION_IN_NESTED_NS: [UnionInNestedNS; 2] = [
+  UnionInNestedNS::NONE,
+  UnionInNestedNS::TableInNestedNS,
+];
+
+#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
+#[repr(transparent)]
+pub struct UnionInNestedNS(pub u8);
+#[allow(non_upper_case_globals)]
+impl UnionInNestedNS {
+  pub const NONE: Self = Self(0);
+  pub const TableInNestedNS: Self = Self(1);
+
+  pub const ENUM_MIN: u8 = 0;
+  pub const ENUM_MAX: u8 = 1;
+  pub const ENUM_VALUES: &'static [Self] = &[
+    Self::NONE,
+    Self::TableInNestedNS,
+  ];
+  /// Returns the variant's name or "" if unknown.
+  pub fn variant_name(self) -> Option<&'static str> {
+    match self {
+      Self::NONE => Some("NONE"),
+      Self::TableInNestedNS => Some("TableInNestedNS"),
+      _ => None,
+    }
+  }
+}
+impl core::fmt::Debug for UnionInNestedNS {
+  fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
+    if let Some(name) = self.variant_name() {
+      f.write_str(name)
+    } else {
+      f.write_fmt(format_args!("<UNKNOWN {:?}>", self.0))
+    }
+  }
+}
+impl<'a> flatbuffers::Follow<'a> for UnionInNestedNS {
+  type Inner = Self;
+  #[inline]
+  unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
+    let b = flatbuffers::read_scalar_at::<u8>(buf, loc);
+    Self(b)
+  }
+}
+
+impl flatbuffers::Push for UnionInNestedNS {
+    type Output = UnionInNestedNS;
+    #[inline]
+    unsafe fn push(&self, dst: &mut [u8], _written_len: usize) {
+        flatbuffers::emplace_scalar::<u8>(dst, self.0);
+    }
+}
+
+impl flatbuffers::EndianScalar for UnionInNestedNS {
+  type Scalar = u8;
+  #[inline]
+  fn to_little_endian(self) -> u8 {
+    self.0.to_le()
+  }
+  #[inline]
+  #[allow(clippy::wrong_self_convention)]
+  fn from_little_endian(v: u8) -> Self {
+    let b = u8::from_le(v);
+    Self(b)
+  }
+}
+
+impl<'a> flatbuffers::Verifiable for UnionInNestedNS {
+  #[inline]
+  fn run_verifier(
+    v: &mut flatbuffers::Verifier, pos: usize
+  ) -> Result<(), flatbuffers::InvalidFlatbuffer> {
+    use self::flatbuffers::Verifiable;
+    u8::run_verifier(v, pos)
+  }
+}
+
+impl flatbuffers::SimpleToVerifyInSlice for UnionInNestedNS {}
+pub struct UnionInNestedNSUnionTableOffset {}
+
+#[allow(clippy::upper_case_acronyms)]
+#[non_exhaustive]
+#[derive(Debug, Clone, PartialEq)]
+pub enum UnionInNestedNST {
+  NONE,
+  TableInNestedNS(Box<TableInNestedNST>),
+}
+impl Default for UnionInNestedNST {
+  fn default() -> Self {
+    Self::NONE
+  }
+}
+impl UnionInNestedNST {
+  pub fn union_in_nested_ns_type(&self) -> UnionInNestedNS {
+    match self {
+      Self::NONE => UnionInNestedNS::NONE,
+      Self::TableInNestedNS(_) => UnionInNestedNS::TableInNestedNS,
+    }
+  }
+  pub fn pack<'b, A: flatbuffers::Allocator + 'b>(&self, fbb: &mut flatbuffers::FlatBufferBuilder<'b, A>) -> Option<flatbuffers::WIPOffset<flatbuffers::UnionWIPOffset>> {
+    match self {
+      Self::NONE => None,
+      Self::TableInNestedNS(v) => Some(v.pack(fbb).as_union_value()),
+    }
+  }
+  /// If the union variant matches, return the owned TableInNestedNST, setting the union to NONE.
+  pub fn take_table_in_nested_ns(&mut self) -> Option<Box<TableInNestedNST>> {
+    if let Self::TableInNestedNS(_) = self {
+      let v = core::mem::replace(self, Self::NONE);
+      if let Self::TableInNestedNS(w) = v {
+        Some(w)
+      } else {
+        unreachable!()
+      }
+    } else {
+      None
+    }
+  }
+  /// If the union variant matches, return a reference to the TableInNestedNST.
+  pub fn as_table_in_nested_ns(&self) -> Option<&TableInNestedNST> {
+    if let Self::TableInNestedNS(v) = self { Some(v.as_ref()) } else { None }
+  }
+  /// If the union variant matches, return a mutable reference to the TableInNestedNST.
+  pub fn as_table_in_nested_ns_mut(&mut self) -> Option<&mut TableInNestedNST> {
+    if let Self::TableInNestedNS(v) = self { Some(v.as_mut()) } else { None }
+  }
+}

third_party/flatbuffers/tests/namespace_test/namespace_a/second_table_in_a_generated.rs

@@ -0,0 +1,145 @@
+// automatically generated by the FlatBuffers compiler, do not modify
+// @generated
+extern crate alloc;
+extern crate flatbuffers;
+use alloc::boxed::Box;
+use alloc::string::{String, ToString};
+use alloc::vec::Vec;
+use core::mem;
+use core::cmp::Ordering;
+use self::flatbuffers::{EndianScalar, Follow};
+use super::*;
+pub enum SecondTableInAOffset {}
+#[derive(Copy, Clone, PartialEq)]
+
+pub struct SecondTableInA<'a> {
+  pub _tab: flatbuffers::Table<'a>,
+}
+
+impl<'a> flatbuffers::Follow<'a> for SecondTableInA<'a> {
+  type Inner = SecondTableInA<'a>;
+  #[inline]
+  unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
+    Self { _tab: flatbuffers::Table::new(buf, loc) }
+  }
+}
+
+impl<'a> SecondTableInA<'a> {
+  pub const VT_REFER_TO_C: flatbuffers::VOffsetT = 4;
+
+  pub const fn get_fully_qualified_name() -> &'static str {
+    "NamespaceA.SecondTableInA"
+  }
+
+  #[inline]
+  pub unsafe fn init_from_table(table: flatbuffers::Table<'a>) -> Self {
+    SecondTableInA { _tab: table }
+  }
+  #[allow(unused_mut)]
+  pub fn create<'bldr: 'args, 'args: 'mut_bldr, 'mut_bldr, A: flatbuffers::Allocator + 'bldr>(
+    _fbb: &'mut_bldr mut flatbuffers::FlatBufferBuilder<'bldr, A>,
+    args: &'args SecondTableInAArgs<'args>
+  ) -> flatbuffers::WIPOffset<SecondTableInA<'bldr>> {
+    let mut builder = SecondTableInABuilder::new(_fbb);
+    if let Some(x) = args.refer_to_c { builder.add_refer_to_c(x); }
+    builder.finish()
+  }
+
+  pub fn unpack(&self) -> SecondTableInAT {
+    let refer_to_c = self.refer_to_c().map(|x| {
+      Box::new(x.unpack())
+    });
+    SecondTableInAT {
+      refer_to_c,
+    }
+  }
+
+  #[inline]
+  pub fn refer_to_c(&self) -> Option<super::namespace_c::TableInC<'a>> {
+    // Safety:
+    // Created from valid Table for this object
+    // which contains a valid value in this slot
+    unsafe { self._tab.get::<flatbuffers::ForwardsUOffset<super::namespace_c::TableInC>>(SecondTableInA::VT_REFER_TO_C, None)}
+  }
+}
+
+impl flatbuffers::Verifiable for SecondTableInA<'_> {
+  #[inline]
+  fn run_verifier(
+    v: &mut flatbuffers::Verifier, pos: usize
+  ) -> Result<(), flatbuffers::InvalidFlatbuffer> {
+    use self::flatbuffers::Verifiable;
+    v.visit_table(pos)?
+     .visit_field::<flatbuffers::ForwardsUOffset<super::namespace_c::TableInC>>("refer_to_c", Self::VT_REFER_TO_C, false)?
+     .finish();
+    Ok(())
+  }
+}
+pub struct SecondTableInAArgs<'a> {
+    pub refer_to_c: Option<flatbuffers::WIPOffset<super::namespace_c::TableInC<'a>>>,
+}
+impl<'a> Default for SecondTableInAArgs<'a> {
+  #[inline]
+  fn default() -> Self {
+    SecondTableInAArgs {
+      refer_to_c: None,
+    }
+  }
+}
+
+pub struct SecondTableInABuilder<'a: 'b, 'b, A: flatbuffers::Allocator + 'a> {
+  fbb_: &'b mut flatbuffers::FlatBufferBuilder<'a, A>,
+  start_: flatbuffers::WIPOffset<flatbuffers::TableUnfinishedWIPOffset>,
+}
+impl<'a: 'b, 'b, A: flatbuffers::Allocator + 'a> SecondTableInABuilder<'a, 'b, A> {
+  #[inline]
+  pub fn add_refer_to_c(&mut self, refer_to_c: flatbuffers::WIPOffset<super::namespace_c::TableInC<'b >>) {
+    self.fbb_.push_slot_always::<flatbuffers::WIPOffset<super::namespace_c::TableInC>>(SecondTableInA::VT_REFER_TO_C, refer_to_c);
+  }
+  #[inline]
+  pub fn new(_fbb: &'b mut flatbuffers::FlatBufferBuilder<'a, A>) -> SecondTableInABuilder<'a, 'b, A> {
+    let start = _fbb.start_table();
+    SecondTableInABuilder {
+      fbb_: _fbb,
+      start_: start,
+    }
+  }
+  #[inline]
+  pub fn finish(self) -> flatbuffers::WIPOffset<SecondTableInA<'a>> {
+    let o = self.fbb_.end_table(self.start_);
+    flatbuffers::WIPOffset::new(o.value())
+  }
+}
+
+impl core::fmt::Debug for SecondTableInA<'_> {
+  fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+    let mut ds = f.debug_struct("SecondTableInA");
+      ds.field("refer_to_c", &self.refer_to_c());
+      ds.finish()
+  }
+}
+#[non_exhaustive]
+#[derive(Debug, Clone, PartialEq)]
+pub struct SecondTableInAT {
+  pub refer_to_c: Option<Box<super::namespace_c::TableInCT>>,
+}
+impl Default for SecondTableInAT {
+  fn default() -> Self {
+    Self {
+      refer_to_c: None,
+    }
+  }
+}
+impl SecondTableInAT {
+  pub fn pack<'b, A: flatbuffers::Allocator + 'b>(
+    &self,
+    _fbb: &mut flatbuffers::FlatBufferBuilder<'b, A>
+  ) -> flatbuffers::WIPOffset<SecondTableInA<'b>> {
+    let refer_to_c = self.refer_to_c.as_ref().map(|x|{
+      x.pack(_fbb)
+    });
+    SecondTableInA::create(_fbb, &SecondTableInAArgs{
+      refer_to_c,
+    })
+  }
+}

third_party/flatbuffers/tests/namespace_test/namespace_a/table_in_first_ns_generated.rs

@@ -0,0 +1,275 @@
+// automatically generated by the FlatBuffers compiler, do not modify
+// @generated
+extern crate alloc;
+extern crate flatbuffers;
+use alloc::boxed::Box;
+use alloc::string::{String, ToString};
+use alloc::vec::Vec;
+use core::mem;
+use core::cmp::Ordering;
+use self::flatbuffers::{EndianScalar, Follow};
+use super::*;
+pub enum TableInFirstNSOffset {}
+#[derive(Copy, Clone, PartialEq)]
+
+pub struct TableInFirstNS<'a> {
+  pub _tab: flatbuffers::Table<'a>,
+}
+
+impl<'a> flatbuffers::Follow<'a> for TableInFirstNS<'a> {
+  type Inner = TableInFirstNS<'a>;
+  #[inline]
+  unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
+    Self { _tab: flatbuffers::Table::new(buf, loc) }
+  }
+}
+
+impl<'a> TableInFirstNS<'a> {
+  pub const VT_FOO_TABLE: flatbuffers::VOffsetT = 4;
+  pub const VT_FOO_ENUM: flatbuffers::VOffsetT = 6;
+  pub const VT_FOO_UNION_TYPE: flatbuffers::VOffsetT = 8;
+  pub const VT_FOO_UNION: flatbuffers::VOffsetT = 10;
+  pub const VT_FOO_STRUCT: flatbuffers::VOffsetT = 12;
+
+  pub const fn get_fully_qualified_name() -> &'static str {
+    "NamespaceA.TableInFirstNS"
+  }
+
+  #[inline]
+  pub unsafe fn init_from_table(table: flatbuffers::Table<'a>) -> Self {
+    TableInFirstNS { _tab: table }
+  }
+  #[allow(unused_mut)]
+  pub fn create<'bldr: 'args, 'args: 'mut_bldr, 'mut_bldr, A: flatbuffers::Allocator + 'bldr>(
+    _fbb: &'mut_bldr mut flatbuffers::FlatBufferBuilder<'bldr, A>,
+    args: &'args TableInFirstNSArgs<'args>
+  ) -> flatbuffers::WIPOffset<TableInFirstNS<'bldr>> {
+    let mut builder = TableInFirstNSBuilder::new(_fbb);
+    if let Some(x) = args.foo_struct { builder.add_foo_struct(x); }
+    if let Some(x) = args.foo_union { builder.add_foo_union(x); }
+    if let Some(x) = args.foo_table { builder.add_foo_table(x); }
+    builder.add_foo_union_type(args.foo_union_type);
+    builder.add_foo_enum(args.foo_enum);
+    builder.finish()
+  }
+
+  pub fn unpack(&self) -> TableInFirstNST {
+    let foo_table = self.foo_table().map(|x| {
+      Box::new(x.unpack())
+    });
+    let foo_enum = self.foo_enum();
+    let foo_union = match self.foo_union_type() {
+      namespace_b::UnionInNestedNS::NONE => namespace_b::UnionInNestedNST::NONE,
+      namespace_b::UnionInNestedNS::TableInNestedNS => namespace_b::UnionInNestedNST::TableInNestedNS(Box::new(
+        self.foo_union_as_table_in_nested_ns()
+            .expect("Invalid union table, expected `namespace_b::UnionInNestedNS::TableInNestedNS`.")
+            .unpack()
+      )),
+      _ => namespace_b::UnionInNestedNST::NONE,
+    };
+    let foo_struct = self.foo_struct().map(|x| {
+      x.unpack()
+    });
+    TableInFirstNST {
+      foo_table,
+      foo_enum,
+      foo_union,
+      foo_struct,
+    }
+  }
+
+  #[inline]
+  pub fn foo_table(&self) -> Option<namespace_b::TableInNestedNS<'a>> {
+    // Safety:
+    // Created from valid Table for this object
+    // which contains a valid value in this slot
+    unsafe { self._tab.get::<flatbuffers::ForwardsUOffset<namespace_b::TableInNestedNS>>(TableInFirstNS::VT_FOO_TABLE, None)}
+  }
+  #[inline]
+  pub fn foo_enum(&self) -> namespace_b::EnumInNestedNS {
+    // Safety:
+    // Created from valid Table for this object
+    // which contains a valid value in this slot
+    unsafe { self._tab.get::<namespace_b::EnumInNestedNS>(TableInFirstNS::VT_FOO_ENUM, Some(namespace_b::EnumInNestedNS::A)).unwrap()}
+  }
+  #[inline]
+  pub fn foo_union_type(&self) -> namespace_b::UnionInNestedNS {
+    // Safety:
+    // Created from valid Table for this object
+    // which contains a valid value in this slot
+    unsafe { self._tab.get::<namespace_b::UnionInNestedNS>(TableInFirstNS::VT_FOO_UNION_TYPE, Some(namespace_b::UnionInNestedNS::NONE)).unwrap()}
+  }
+  #[inline]
+  pub fn foo_union(&self) -> Option<flatbuffers::Table<'a>> {
+    // Safety:
+    // Created from valid Table for this object
+    // which contains a valid value in this slot
+    unsafe { self._tab.get::<flatbuffers::ForwardsUOffset<flatbuffers::Table<'a>>>(TableInFirstNS::VT_FOO_UNION, None)}
+  }
+  #[inline]
+  pub fn foo_struct(&self) -> Option<&'a namespace_b::StructInNestedNS> {
+    // Safety:
+    // Created from valid Table for this object
+    // which contains a valid value in this slot
+    unsafe { self._tab.get::<namespace_b::StructInNestedNS>(TableInFirstNS::VT_FOO_STRUCT, None)}
+  }
+  #[inline]
+  #[allow(non_snake_case)]
+  pub fn foo_union_as_table_in_nested_ns(&self) -> Option<namespace_b::TableInNestedNS<'a>> {
+    if self.foo_union_type() == namespace_b::UnionInNestedNS::TableInNestedNS {
+      self.foo_union().map(|t| {
+       // Safety:
+       // Created from a valid Table for this object
+       // Which contains a valid union in this slot
+       unsafe { namespace_b::TableInNestedNS::init_from_table(t) }
+     })
+    } else {
+      None
+    }
+  }
+
+}
+
+impl flatbuffers::Verifiable for TableInFirstNS<'_> {
+  #[inline]
+  fn run_verifier(
+    v: &mut flatbuffers::Verifier, pos: usize
+  ) -> Result<(), flatbuffers::InvalidFlatbuffer> {
+    use self::flatbuffers::Verifiable;
+    v.visit_table(pos)?
+     .visit_field::<flatbuffers::ForwardsUOffset<namespace_b::TableInNestedNS>>("foo_table", Self::VT_FOO_TABLE, false)?
+     .visit_field::<namespace_b::EnumInNestedNS>("foo_enum", Self::VT_FOO_ENUM, false)?
+     .visit_union::<namespace_b::UnionInNestedNS, _>("foo_union_type", Self::VT_FOO_UNION_TYPE, "foo_union", Self::VT_FOO_UNION, false, |key, v, pos| {
+        match key {
+          namespace_b::UnionInNestedNS::TableInNestedNS => v.verify_union_variant::<flatbuffers::ForwardsUOffset<namespace_b::TableInNestedNS>>("namespace_b::UnionInNestedNS::TableInNestedNS", pos),
+          _ => Ok(()),
+        }
+     })?
+     .visit_field::<namespace_b::StructInNestedNS>("foo_struct", Self::VT_FOO_STRUCT, false)?
+     .finish();
+    Ok(())
+  }
+}
+pub struct TableInFirstNSArgs<'a> {
+    pub foo_table: Option<flatbuffers::WIPOffset<namespace_b::TableInNestedNS<'a>>>,
+    pub foo_enum: namespace_b::EnumInNestedNS,
+    pub foo_union_type: namespace_b::UnionInNestedNS,
+    pub foo_union: Option<flatbuffers::WIPOffset<flatbuffers::UnionWIPOffset>>,
+    pub foo_struct: Option<&'a namespace_b::StructInNestedNS>,
+}
+impl<'a> Default for TableInFirstNSArgs<'a> {
+  #[inline]
+  fn default() -> Self {
+    TableInFirstNSArgs {
+      foo_table: None,
+      foo_enum: namespace_b::EnumInNestedNS::A,
+      foo_union_type: namespace_b::UnionInNestedNS::NONE,
+      foo_union: None,
+      foo_struct: None,
+    }
+  }
+}
+
+pub struct TableInFirstNSBuilder<'a: 'b, 'b, A: flatbuffers::Allocator + 'a> {
+  fbb_: &'b mut flatbuffers::FlatBufferBuilder<'a, A>,
+  start_: flatbuffers::WIPOffset<flatbuffers::TableUnfinishedWIPOffset>,
+}
+impl<'a: 'b, 'b, A: flatbuffers::Allocator + 'a> TableInFirstNSBuilder<'a, 'b, A> {
+  #[inline]
+  pub fn add_foo_table(&mut self, foo_table: flatbuffers::WIPOffset<namespace_b::TableInNestedNS<'b >>) {
+    self.fbb_.push_slot_always::<flatbuffers::WIPOffset<namespace_b::TableInNestedNS>>(TableInFirstNS::VT_FOO_TABLE, foo_table);
+  }
+  #[inline]
+  pub fn add_foo_enum(&mut self, foo_enum: namespace_b::EnumInNestedNS) {
+    self.fbb_.push_slot::<namespace_b::EnumInNestedNS>(TableInFirstNS::VT_FOO_ENUM, foo_enum, namespace_b::EnumInNestedNS::A);
+  }
+  #[inline]
+  pub fn add_foo_union_type(&mut self, foo_union_type: namespace_b::UnionInNestedNS) {
+    self.fbb_.push_slot::<namespace_b::UnionInNestedNS>(TableInFirstNS::VT_FOO_UNION_TYPE, foo_union_type, namespace_b::UnionInNestedNS::NONE);
+  }
+  #[inline]
+  pub fn add_foo_union(&mut self, foo_union: flatbuffers::WIPOffset<flatbuffers::UnionWIPOffset>) {
+    self.fbb_.push_slot_always::<flatbuffers::WIPOffset<_>>(TableInFirstNS::VT_FOO_UNION, foo_union);
+  }
+  #[inline]
+  pub fn add_foo_struct(&mut self, foo_struct: &namespace_b::StructInNestedNS) {
+    self.fbb_.push_slot_always::<&namespace_b::StructInNestedNS>(TableInFirstNS::VT_FOO_STRUCT, foo_struct);
+  }
+  #[inline]
+  pub fn new(_fbb: &'b mut flatbuffers::FlatBufferBuilder<'a, A>) -> TableInFirstNSBuilder<'a, 'b, A> {
+    let start = _fbb.start_table();
+    TableInFirstNSBuilder {
+      fbb_: _fbb,
+      start_: start,
+    }
+  }
+  #[inline]
+  pub fn finish(self) -> flatbuffers::WIPOffset<TableInFirstNS<'a>> {
+    let o = self.fbb_.end_table(self.start_);
+    flatbuffers::WIPOffset::new(o.value())
+  }
+}
+
+impl core::fmt::Debug for TableInFirstNS<'_> {
+  fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+    let mut ds = f.debug_struct("TableInFirstNS");
+      ds.field("foo_table", &self.foo_table());
+      ds.field("foo_enum", &self.foo_enum());
+      ds.field("foo_union_type", &self.foo_union_type());
+      match self.foo_union_type() {
+        namespace_b::UnionInNestedNS::TableInNestedNS => {
+          if let Some(x) = self.foo_union_as_table_in_nested_ns() {
+            ds.field("foo_union", &x)
+          } else {
+            ds.field("foo_union", &"InvalidFlatbuffer: Union discriminant does not match value.")
+          }
+        },
+        _ => {
+          let x: Option<()> = None;
+          ds.field("foo_union", &x)
+        },
+      };
+      ds.field("foo_struct", &self.foo_struct());
+      ds.finish()
+  }
+}
+#[non_exhaustive]
+#[derive(Debug, Clone, PartialEq)]
+pub struct TableInFirstNST {
+  pub foo_table: Option<Box<namespace_b::TableInNestedNST>>,
+  pub foo_enum: namespace_b::EnumInNestedNS,
+  pub foo_union: namespace_b::UnionInNestedNST,
+  pub foo_struct: Option<namespace_b::StructInNestedNST>,
+}
+impl Default for TableInFirstNST {
+  fn default() -> Self {
+    Self {
+      foo_table: None,
+      foo_enum: namespace_b::EnumInNestedNS::A,
+      foo_union: namespace_b::UnionInNestedNST::NONE,
+      foo_struct: None,
+    }
+  }
+}
+impl TableInFirstNST {
+  pub fn pack<'b, A: flatbuffers::Allocator + 'b>(
+    &self,
+    _fbb: &mut flatbuffers::FlatBufferBuilder<'b, A>
+  ) -> flatbuffers::WIPOffset<TableInFirstNS<'b>> {
+    let foo_table = self.foo_table.as_ref().map(|x|{
+      x.pack(_fbb)
+    });
+    let foo_enum = self.foo_enum;
+    let foo_union_type = self.foo_union.union_in_nested_ns_type();
+    let foo_union = self.foo_union.pack(_fbb);
+    let foo_struct_tmp = self.foo_struct.as_ref().map(|x| x.pack());
+    let foo_struct = foo_struct_tmp.as_ref();
+    TableInFirstNS::create(_fbb, &TableInFirstNSArgs{
+      foo_table,
+      foo_enum,
+      foo_union_type,
+      foo_union,
+      foo_struct,
+    })
+  }
+}