Files
flatbuffers-bigfoot/python/flatbuffers/reflection/Field.py
Derek Bailey 63b7b25289 FlatBuffers 64 for C++ (#7935)
* First working hack of adding 64-bit. Don't judge :)

* Made vector_downward work on 64 bit types

* vector_downward uses size_t, added offset64 to reflection

* cleaned up adding offset64 in parser

* Add C++ testing skeleton for 64-bit

* working test for CreateVector64

* working >2 GiB buffers

* support for large strings

* simplified CreateString<> to just provide the offset type

* generalize CreateVector template

* update test_64.afb due to upstream format change

* Added Vector64 type, which is just an alias for vector ATM

* Switch to Offset64 for Vector64

* Update for reflection bfbs output change

* Starting to add support for vector64 type in C++

* made a generic CreateVector that can handle different offsets and vector types

* Support for 32-vector with 64-addressing

* Vector64 basic builder + tests working

* basic support for json vector64 support

* renamed fields in test_64bit.fbs to better reflect their use

* working C++ vector64 builder

* Apply --annotate-sparse-vector to 64-bit tests

* Enable Vector64 for --annotate-sparse-vectors

* Merged from upstream

* Add `near_string` field for testing 32-bit offsets alongside

* keep track of where the 32-bit and 64-bit regions are for flatbufferbuilder

* move template<> outside class body for GCC

* update run.sh to build and run tests

* basic assertion for adding 64-bit offset at the wrong time

* started to separate `FlatBufferBuilder` into two classes, 1 64-bit aware, the other not

* add test for nested flatbuffer vector64, fix bug in alignment of big vectors

* fixed CreateDirect method by iterating by Offset64 first

* internal refactoring of flatbufferbuilder

* block not supported languages in the parser from using 64-bit

* evolution tests for adding a vector64 field

* conformity tests for adding/removing offset64 attributes

* ensure test is for a big buffer

* add parser error tests for `offset64` and `vector64` attributes

* add missing static that GCC only complains about

* remove stdint-uintn.h header that gets automatically added

* move 64-bit CalculateOffset internal

* fixed return size of EndVector

* various fixes on windows

* add SizeT to vector_downward

* minimze range of size changes in vector and builder

* reworked how tracking if 64-offsets are added

* Add ReturnT to EndVector

* small cleanups

* remove need for second Array definition

* combine IndirectHelpers into one definition

* started support for vector of struct

* Support for 32/64-vectors of structs + Offset64

* small cleanups

* add verification for vector64

* add sized prefix for 64-bit buffers

* add fuzzer for 64-bit

* add example of adding many vectors using a wrapper table

* run the new -bfbs-gen-embed logic on the 64-bit tests

* remove run.sh and fix cmakelist issue

* fixed bazel rules

* fixed some PR comments

* add 64-bit tests to cmakelist
2023-05-09 09:16:30 -07:00

273 lines
8.8 KiB
Python

# automatically generated by the FlatBuffers compiler, do not modify
# namespace: reflection
import flatbuffers
from flatbuffers.compat import import_numpy
np = import_numpy()
class Field(object):
__slots__ = ['_tab']
@classmethod
def GetRootAs(cls, buf, offset=0):
n = flatbuffers.encode.Get(flatbuffers.packer.uoffset, buf, offset)
x = Field()
x.Init(buf, n + offset)
return x
@classmethod
def GetRootAsField(cls, buf, offset=0):
"""This method is deprecated. Please switch to GetRootAs."""
return cls.GetRootAs(buf, offset)
@classmethod
def FieldBufferHasIdentifier(cls, buf, offset, size_prefixed=False):
return flatbuffers.util.BufferHasIdentifier(buf, offset, b"\x42\x46\x42\x53", size_prefixed=size_prefixed)
# Field
def Init(self, buf, pos):
self._tab = flatbuffers.table.Table(buf, pos)
# Field
def Name(self):
o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(4))
if o != 0:
return self._tab.String(o + self._tab.Pos)
return None
# Field
def Type(self):
o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(6))
if o != 0:
x = self._tab.Indirect(o + self._tab.Pos)
from .reflection.Type import Type
obj = Type()
obj.Init(self._tab.Bytes, x)
return obj
return None
# Field
def Id(self):
o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(8))
if o != 0:
return self._tab.Get(flatbuffers.number_types.Uint16Flags, o + self._tab.Pos)
return 0
# Field
def Offset(self):
o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(10))
if o != 0:
return self._tab.Get(flatbuffers.number_types.Uint16Flags, o + self._tab.Pos)
return 0
# Field
def DefaultInteger(self):
o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(12))
if o != 0:
return self._tab.Get(flatbuffers.number_types.Int64Flags, o + self._tab.Pos)
return 0
# Field
def DefaultReal(self):
o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(14))
if o != 0:
return self._tab.Get(flatbuffers.number_types.Float64Flags, o + self._tab.Pos)
return 0.0
# Field
def Deprecated(self):
o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(16))
if o != 0:
return bool(self._tab.Get(flatbuffers.number_types.BoolFlags, o + self._tab.Pos))
return False
# Field
def Required(self):
o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(18))
if o != 0:
return bool(self._tab.Get(flatbuffers.number_types.BoolFlags, o + self._tab.Pos))
return False
# Field
def Key(self):
o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(20))
if o != 0:
return bool(self._tab.Get(flatbuffers.number_types.BoolFlags, o + self._tab.Pos))
return False
# Field
def Attributes(self, j):
o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(22))
if o != 0:
x = self._tab.Vector(o)
x += flatbuffers.number_types.UOffsetTFlags.py_type(j) * 4
x = self._tab.Indirect(x)
from .reflection.KeyValue import KeyValue
obj = KeyValue()
obj.Init(self._tab.Bytes, x)
return obj
return None
# Field
def AttributesLength(self):
o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(22))
if o != 0:
return self._tab.VectorLen(o)
return 0
# Field
def AttributesIsNone(self):
o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(22))
return o == 0
# Field
def Documentation(self, j):
o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(24))
if o != 0:
a = self._tab.Vector(o)
return self._tab.String(a + flatbuffers.number_types.UOffsetTFlags.py_type(j * 4))
return ""
# Field
def DocumentationLength(self):
o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(24))
if o != 0:
return self._tab.VectorLen(o)
return 0
# Field
def DocumentationIsNone(self):
o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(24))
return o == 0
# Field
def Optional(self):
o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(26))
if o != 0:
return bool(self._tab.Get(flatbuffers.number_types.BoolFlags, o + self._tab.Pos))
return False
# Number of padding octets to always add after this field. Structs only.
# Field
def Padding(self):
o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(28))
if o != 0:
return self._tab.Get(flatbuffers.number_types.Uint16Flags, o + self._tab.Pos)
return 0
# If the field uses 64-bit offsets.
# Field
def Offset64(self):
o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(30))
if o != 0:
return bool(self._tab.Get(flatbuffers.number_types.BoolFlags, o + self._tab.Pos))
return False
def FieldStart(builder):
builder.StartObject(14)
def Start(builder):
FieldStart(builder)
def FieldAddName(builder, name):
builder.PrependUOffsetTRelativeSlot(0, flatbuffers.number_types.UOffsetTFlags.py_type(name), 0)
def AddName(builder: flatbuffers.Builder, name: int):
FieldAddName(builder, name)
def FieldAddType(builder, type):
builder.PrependUOffsetTRelativeSlot(1, flatbuffers.number_types.UOffsetTFlags.py_type(type), 0)
def AddType(builder: flatbuffers.Builder, type: int):
FieldAddType(builder, type)
def FieldAddId(builder, id):
builder.PrependUint16Slot(2, id, 0)
def AddId(builder: flatbuffers.Builder, id: int):
FieldAddId(builder, id)
def FieldAddOffset(builder, offset):
builder.PrependUint16Slot(3, offset, 0)
def AddOffset(builder: flatbuffers.Builder, offset: int):
FieldAddOffset(builder, offset)
def FieldAddDefaultInteger(builder, defaultInteger):
builder.PrependInt64Slot(4, defaultInteger, 0)
def AddDefaultInteger(builder: flatbuffers.Builder, defaultInteger: int):
FieldAddDefaultInteger(builder, defaultInteger)
def FieldAddDefaultReal(builder, defaultReal):
builder.PrependFloat64Slot(5, defaultReal, 0.0)
def AddDefaultReal(builder: flatbuffers.Builder, defaultReal: float):
FieldAddDefaultReal(builder, defaultReal)
def FieldAddDeprecated(builder, deprecated):
builder.PrependBoolSlot(6, deprecated, 0)
def AddDeprecated(builder: flatbuffers.Builder, deprecated: bool):
FieldAddDeprecated(builder, deprecated)
def FieldAddRequired(builder, required):
builder.PrependBoolSlot(7, required, 0)
def AddRequired(builder: flatbuffers.Builder, required: bool):
FieldAddRequired(builder, required)
def FieldAddKey(builder, key):
builder.PrependBoolSlot(8, key, 0)
def AddKey(builder: flatbuffers.Builder, key: bool):
FieldAddKey(builder, key)
def FieldAddAttributes(builder, attributes):
builder.PrependUOffsetTRelativeSlot(9, flatbuffers.number_types.UOffsetTFlags.py_type(attributes), 0)
def AddAttributes(builder: flatbuffers.Builder, attributes: int):
FieldAddAttributes(builder, attributes)
def FieldStartAttributesVector(builder, numElems):
return builder.StartVector(4, numElems, 4)
def StartAttributesVector(builder, numElems: int) -> int:
return FieldStartAttributesVector(builder, numElems)
def FieldAddDocumentation(builder, documentation):
builder.PrependUOffsetTRelativeSlot(10, flatbuffers.number_types.UOffsetTFlags.py_type(documentation), 0)
def AddDocumentation(builder: flatbuffers.Builder, documentation: int):
FieldAddDocumentation(builder, documentation)
def FieldStartDocumentationVector(builder, numElems):
return builder.StartVector(4, numElems, 4)
def StartDocumentationVector(builder, numElems: int) -> int:
return FieldStartDocumentationVector(builder, numElems)
def FieldAddOptional(builder, optional):
builder.PrependBoolSlot(11, optional, 0)
def AddOptional(builder: flatbuffers.Builder, optional: bool):
FieldAddOptional(builder, optional)
def FieldAddPadding(builder, padding):
builder.PrependUint16Slot(12, padding, 0)
def AddPadding(builder: flatbuffers.Builder, padding: int):
FieldAddPadding(builder, padding)
def FieldAddOffset64(builder, offset64):
builder.PrependBoolSlot(13, offset64, 0)
def AddOffset64(builder: flatbuffers.Builder, offset64: bool):
FieldAddOffset64(builder, offset64)
def FieldEnd(builder):
return builder.EndObject()
def End(builder):
return FieldEnd(builder)