Squashed 'third_party/flatbuffers/' changes from e5f331db9..bc44fad35
bc44fad35 UnPackTo disable merge by default (#7527)
4fca4dc60 [TS/JS] Move TS tests to dedicated folder and deps upgrade (#7508)
036032373 Bump junit from 4.13 to 4.13.1 in /java (#7526)
89dfb43f3 Replace `bash JavaTest.sh` with `mvn test` (#7500)
c49aff4b6 enabled cpp17 tests in CI (#7524)
56e60223c prevent force_align attribute on enums (#7523)
89b1f5aa1 remove travis config (#7522)
b90159823 [Java][Flexbuffers] Add API to add nullables into the buffer. (#7521)
8cdc6a288 Install BuildFlatBuffers.cmake (#7519)
a67e35aff Moves all of the swift test code into tests/swift (#7509)
f124e41ae Updated Readme
4c954181c [Java][FlexBuffers] throwing exception for untyped fixed vectors (#7507)
7f7547737 [Android] Remove maven dependency of flatbuffers and use source folder (#7503)
a79d61ea8 Fixes issue with cocoapods failing to be published because of docc (#7505)
d465b39c3 [CMake]: fix breaking find_package change (#7499) (#7502)
c5a609dc2 [C#] Prepares for official Nuget release (#7496)
5634dc3d0 [ISSUE-6268] returns NaN insteadof nan (#7498)
37e37b8ca Updates cocoapods version (#7497)
8fd4534fb update android multidex setting (#7495)
d5427da52 Disable Android Build (#7494)
06c5c7ed0 FlatBuffers Version 2.0.8 (#7492)
b190ce11b Verifier Refinements (#7490)
bf5d23230 Namer applied to Typescript generator (#7488)
ce382d6dd [TS/JS] Add rollup and config to generate iife flatbuffers bundle (#7449)
41d9add7e C++: Add option to skip verifying nested flatbuffers (#7489)
6a8742754 [C++] support native_inline attribute for vector of tables (#7479)
694add668 Refactor test.cpp (#7487)
7edf8c908 Update scorecard to 1.1.2
b86387442 Fix typos (#7483)
e2eb5ee67 Include <array> head in stl_emulation.h (#7480)
994502b6d Version number in file package.json updated to 2.0.7 (#7476)
fa41e8367 [C++] Fixed crash when copying table with empty shared strings (#7477)
799cc8f7b Use type traits for specialization (#7475)
b7eb44147 Disable RTTI and rework use in idl_gen_ts.cpp (#7474)
8d01c5859 CMake project version detection made more robust (#7473)
237e8b71f Moved compiler warnings around (#7471)
eeb8fd60d Include builder.addOffset for vector of structs (#7470)
fef2ffc4d Use schema include name for keep-prefix (#7469)
8367664f1 Flatbuffers Version 2.0.7 (#7462)
d6f06c33f Reworked keep prefix (#7456)
627e8bf36 update grpc version (#7457)
883c42b7d disabling unpackto optimization (#7459)
7aae0af30 Remove old GRPC bash script and convert to python3 (#7454)
b057aa917 Grouped anonymous namespaces together, (#7455)
f1b26ff7f Change to GetTypeName (#7453)
9610a666b Generate SLSA signatures for Released zip files (#7450)
1e0f75a64 [WIP] speedup (#7452)
82b75407a Wrap types in namespace for --ts-flat-files and --gen-all (#7451)
f7c511957 Audit and fixups for GCC and Clang (#7212)
a66de58af Partial support for --ts-flat-files and --gen-all (#7446)
a3508f36d [Kotlin] Make sure namespace path exist for code generation (#7357)
137fec716 Stop using __has_trivial_copy on recent clang versions. (#7443)
214125e41 [C#] Rework how sorted vectors are looked up (#7441)
44a7dc999 Define minimum buffer size (#7440)
3cc2daa78 make_span overloads for pointer to vector (#7374) (#7435)
fa1174aa7 [TypeScript] Fix namespaceless schema generation (#7432)
83d4e2a10 Add checks to verifier (#7438)
8a09f3fb0 Fix FlexBuffers JS/TS bug https://github.com/google/flatbuffers/issues/6934 (#7434)
9dbe819ef Add flatc python tests to CI (#7437)
67c414958 Update TypeScriptTest.py to work better cross platform (#7436)
8b8c7dbdf Update gitingore to reflect name change (#7431)
2ee20a5f3 Remove auto including locale functions (#7430)
4be605604 [C++] Set StructDef::has_key property when deserializing from binary schema (#7386) (#7428)
fc5d86f1e [C++] Make template parameter in stl_emulation.h more explicit to avoid conflicts with cpprestsdk U macro (#7424)
9dce287ad Issue#6959 :Updated Automatically generated rust files. (#7425)
7798be3bb avoid zero-as-null-pointer warning (#7423)
966362e07 [C++] Vector of Tables equality (#7415)
a89c279ed [golang] Perform keyword escaping after case conversion (#7421)
a212b3c03 Turn of fail fast for C++ CI
9230f600d Remove stringop-overflow from error (#7422)
c79362156 [golang] Add support for text parsing with json struct tags (#7353)
ee2ced236 Moved TypeScriptTests to python script (#7411)
468c00a3f Rebased: grpc/compiler: Respect filename suffix and extension during code generation (#7414)
47c757f71 Add tests for flatc (#7405)
9a5ff8900 Add FLATBUFFERS_STRICT_MODE (#7408)
950444a34 [TS] Use TextEncoder and TextDecoder (#7400)
30d76198c Compilation issue msys2 #7399 (#7409)
cce3a66f0 Delete .travis directory
8d1cc6ac7 Revert "Compilation issue msys2 (#7403)" (#7407)
5b207639a Update readme.md
359e0f9d6 Revert "grpc/compiler: Respect filename suffix and extension during code generation (#7343)" (#7406)
ebbed0513 Delete cpp-linter.yml
aa395e5a5 (#7323) Rename CMake files according to project name (#7378)
32328075d Fix error msg format when generate GRPC failed (#7350)
97e89c5ac grpc/compiler: Respect filename suffix and extension during code generation (#7343)
5f6672be4 Fix Clang-Cl compile on Windows (#7308)
28e858c85 [TS/Bazel] Minor improvements to typescript.bzl (#7300)
987bebe67 [TS] fix incorrect reverse when writting array of structs (#7271)
ec0129369 Fix FlexBuffers Verifier tracking vectors reuse at wrong offset
50dd385b3 Add missing const (#7401)
da702cfd8 Compilation issue msys2 (#7403)
6e2791640 keep-prefix keeps relative pathing (#7394)
52fce5e53 fix(#7360): grpc used deprecated functions (#7361)
b7f13cd8e cpp_generator: comment out unused parameter to avoid warnings (#7381)
e42985e5a Updated Newtonsoft.Json to 13.0.1 (#7393)
0a8064637 Fix references to LICENSE file (#7377)
b9eea76a8 [Dart] Implement putBool to fix errors when serializing structs with bools (#7359)
1b9030015 Bump Newtonsoft.Json from 12.0.3 to 13.0.1 in /tests/FlatBuffers.Test (#7363)
83a43fc79 Reenable optional json (#7352)
5f0137602 Only include direct included filed (#7348)
9a1913a87 Revert "Implement optional scalars for JSON (#7322)" (#7351)
b4647beb8 Revert "Move reflection_ts_fbs into a separate directory (#7342)" (#7349)
d6060977a Remove asserting in verifier for flattests
987aa5b5e move -Wextra-semi to GCC 8.0+
42acdb63c [TS] Don't generate self-imports with --ts-flat-file (#7340)
0cc1aeb8c [golang] Create missing namespace directory structure (#7324) (#7325)
ba6c67170 [Kotlin] Remove download benchmark files dependency (#7314)
d2f33fc45 Disable Android on Linux CI build
0d1b72cbc [TS] fix ts import path issue (#7298)
9fce2fbf2 replace io/ioutil to os (#7281)
a18ea40d6 Implement optional scalars for JSON (#7322)
090caa280 Move reflection_ts_fbs into a separate directory (#7342)
49e1ea333 Implement optional scalars for Python (#7318)
11a198870 Started implementation for private flags in rust (#7269)
967df08b1 Adds full supposed for Wasm in the swift lib (#7328)
9aa08a429 Use keep case for Rust union discriminant type. (#7321)
9e8c758f5 Add explicit return types to lobster generated code (#7312)
74a25536b Add size check to fix out of bounds read risk (#7304)
12917af8a Update Rust docs page (#7296)
1ea2472f7 [swift] add had<ArrayName> property for arrays to check presence in a message (#7280)
0fe13cb28 Remove span ConstIterator/cbegin()/cend(). (#7295)
385dddc66 Namerkot (#7245)
750dde766 Make `flatc` generate Rust files not requiring `std` (#7273)
9917a168c [swift] Make swift module public (#7274)
76d3cca19 Rust: fix a name conflict when building with "no_std" feature (#7268)
c86e6d0e3 json inf parsing
d34dc32c2 fix include order
234d86c92 fixed off-by-one in parser
746c73b91 Add Annotations for Monster schema and example buffer
0bbfd4b2e fixes for annotator
716521953 Update readme.md (#7257)
a45f564cf [performance] Add aggressive systematic inlining in ByteBuffer and FlatBufferBuilder (#7253)
9d45a6403 more google merge fixes
ccfb4c20b Handle +/-inf in protos (#7256)
7bcd857b8 Specialize CreateVector with std::initializer_list (#7254)
23c8ab34c Swift update performance benchmark infrastructure (#7255)
70002dc5c various fixes for google merge
6e0e79f24 Add test for nested buffer verifier (#7252)
b856368d7 Turn off go modules temporary until we get a proper fix (#7251)
e37156a30 Keep the underlying storage capacity when clearing the FlatBufferBuilder. Gives a significant performance boost for serialisation of many small messages. (#7250)
a10b0e546 Java namer variable keep case (#7249)
275b73994 allow overriding FLATBUFFERS_MAX_ALIGNMENT
9d1ce9a10 Add parameter back to EndVector (#7246)
79afe6c3d Make Java namespaces keep case by default (#7243)
c6dbb2230 Add write permissions for labeller
18bacd3ea Expand test to make sure {}-initializers are properly understood by template. (#7242)
a2c913aec Add -Wnon-virtual-dtor
67b33b294 set workflows permissions to read-only (#7239)
7b5fd2bd0 [Kotlin] Fix key lookup returning null clashing with default value (#7237)
7181d7770 [Java] Fix key lookup returning null clashing with default value (#7236)
7f663b120 Allow CreateVectorOfStrings() to work with any string-type. (#7238)
173ebb694 Fixes a bug where the create function doesnt optional + required items (#7228)
d65823948 [Kotlin] Update gradle to 7.4.1 and simplify config files. (#7231)
ab4bf59e8 remove toascii (#7234)
eee44bbb2 disable cpp-linter (#7229)
a63fa51a1 Create cpp-linter.yml (#7208)
2049e5210 Adds a way to verify/exposes Entities ids (#7221)
832c618f5 Adds implementation flag for swift (#7202)
14615699f Started to migrate to target_compile_options (#7222)
20aad0c41 [C++] stl_emulation span::count_ is not const anymore (#7226) (#7227)
f083b33f2 code gen flexbuffer verifier (#7207)
bf17df346 [C++] generate sorted #include directives (#7213)
35281dedb Fix for [C++] flatc generates invalid Code in the default constructor for structs, when --cpp-field-case-style is used #7209 (#7211)
c9651b742 Add overloads for C# ByteBuffer/FlatBufferBuilder to allow adding vector blocks from ArraySegments or IntPtr (#7193)
26c3b3ada Update codeql.yml
da6e1b985 Update codeql.yml
ad27d751e Added Oss fuzz badge
0aab623cb Create codeql.yml
6a446bdd8 maximize parallel builds in CI (#7206)
21fb5cbbc Create scorecards.yml
0da6f9486 [C++] Static assert on Flatbuffers Version (#7203)
59e971308 reduce fuzzing time to 1 minute in CI
40866a892 fixed padding in struct for annotated binary (#7199)
b71d968fa Apply Namer prefix/suffix to other generators (#7197)
fac0d7be0 Apply Namer to Java. (#7194)
6c5603fd9 [C#] Fix collision of field name and type name (#7149)
2d21853a7 monster fuzzer fix for json default scalars
fec1a8d01 [swift] Add bazel configuration for Swift (#7195)
7fd857623 structured comments (#7192)
a4cb1599d Namerdart (#7187)
ae4ce7265 fuzzed binary annotator (#7188)
e2be0c0b0 Handle root offset and root table vtable invalidation (#7177)
2ad408697 [TS] Fix generation of struct members in object api (#7148)
4213d9105 VerifySizePrefixed (reflection::Schema) and GetAnySizePrefixedRoot added (#7181)
5a13f622c Correctly parse lists of enums in Dart generated code (#7157)
23a7e4e0b Adds no-includes flags to the swift code generator (#7182)
eeb49c275 Move flatbuffer_ts_library to typescript.bzl (#7183)
824763b31 Typo in flatc options (warning-as-errors instead of warnings-as-errors) (#7180)
d3aeee32b Annotated Flatbuffer Binary (#7174)
0bceba24d [Lua] Apply Namer to Lua (#7171)
b8c77d404 Make inclusion of header <optional> opt-out via macro (#7168)
8468eab83 Namersw (#7167)
2b2e8d4ae Nameroverloads (#7164)
b80b32bfa Use DESCRIPTION only if CMake version >= 3.9 (#7166)
Change-Id: Ic2681dabb1a798b7515e62753ee06aecb9933260
git-subtree-dir: third_party/flatbuffers
git-subtree-split: bc44fad35271e43fd7a79b4d691ac9e41708797f
Signed-off-by: Austin Schuh <austin.schuh@bluerivertech.com>
diff --git a/src/binary_annotator.h b/src/binary_annotator.h
new file mode 100644
index 0000000..f89d0a9
--- /dev/null
+++ b/src/binary_annotator.h
@@ -0,0 +1,392 @@
+/*
+ * Copyright 2021 Google Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef FLATBUFFERS_BINARY_ANNOTATOR_H_
+#define FLATBUFFERS_BINARY_ANNOTATOR_H_
+
+#include <map>
+#include <string>
+#include <vector>
+
+#include "flatbuffers/base.h"
+#include "flatbuffers/reflection.h"
+#include "flatbuffers/stl_emulation.h"
+#include "flatbuffers/util.h"
+
+namespace flatbuffers {
+
+enum class BinaryRegionType {
+ Unknown = 0,
+ UOffset = 1,
+ SOffset = 2,
+ VOffset = 3,
+ Bool = 4,
+ Byte = 5,
+ Char = 6,
+ Uint8 = 7,
+ Int8 = 8,
+ Uint16 = 9,
+ Int16 = 10,
+ Uint32 = 11,
+ Int32 = 12,
+ Uint64 = 13,
+ Int64 = 14,
+ Float = 15,
+ Double = 16,
+ UType = 17,
+};
+
+template<typename T>
+static inline std::string ToHex(T i, size_t width = sizeof(T)) {
+ std::stringstream stream;
+ stream << std::hex << std::uppercase << std::setfill('0') << std::setw(width)
+ << i;
+ return stream.str();
+}
+
+// Specialized version for uint8_t that don't work well with std::hex.
+static inline std::string ToHex(uint8_t i) {
+ return ToHex(static_cast<int>(i), 2);
+}
+
+enum class BinaryRegionStatus {
+ OK = 0,
+ WARN = 100,
+ WARN_NO_REFERENCES,
+ WARN_CORRUPTED_PADDING,
+ WARN_PADDING_LENGTH,
+ ERROR = 200,
+ // An offset is pointing outside the binary bounds.
+ ERROR_OFFSET_OUT_OF_BINARY,
+ // Expecting to read N bytes but not enough remain in the binary.
+ ERROR_INCOMPLETE_BINARY,
+ // When a length of a vtable/vector is longer than possible.
+ ERROR_LENGTH_TOO_LONG,
+ // When a length of a vtable/vector is shorter than possible.
+ ERROR_LENGTH_TOO_SHORT,
+ // A field mark required is not present in the vtable.
+ ERROR_REQUIRED_FIELD_NOT_PRESENT,
+ // A realized union type is not within the enum bounds.
+ ERROR_INVALID_UNION_TYPE,
+ // Occurs when there is a cycle in offsets.
+ ERROR_CYCLE_DETECTED,
+};
+
+enum class BinaryRegionCommentType {
+ Unknown = 0,
+ SizePrefix,
+ // The offset to the root table.
+ RootTableOffset,
+ // The optional 4-char file identifier.
+ FileIdentifier,
+ // Generic 0-filled padding
+ Padding,
+ // The size of the vtable.
+ VTableSize,
+ // The size of the referring table.
+ VTableRefferingTableLength,
+ // Offsets to vtable fields.
+ VTableFieldOffset,
+ // Offsets to unknown vtable fields.
+ VTableUnknownFieldOffset,
+ // The vtable offset of a table.
+ TableVTableOffset,
+ // A "inline" table field value.
+ TableField,
+ // A table field that is unknown.
+ TableUnknownField,
+ // A table field value that points to another section.
+ TableOffsetField,
+ // A struct field value.
+ StructField,
+ // A array field value.
+ ArrayField,
+ // The length of the string.
+ StringLength,
+ // The string contents.
+ StringValue,
+ // The explicit string terminator.
+ StringTerminator,
+ // The length of the vector (# of items).
+ VectorLength,
+ // A "inline" value of a vector.
+ VectorValue,
+ // A vector value that points to another section.
+ VectorTableValue,
+ VectorStringValue,
+ VectorUnionValue,
+};
+
+struct BinaryRegionComment {
+ BinaryRegionStatus status = BinaryRegionStatus::OK;
+
+ // If status is non OK, this may be filled in with additional details.
+ std::string status_message;
+
+ BinaryRegionCommentType type = BinaryRegionCommentType::Unknown;
+
+ std::string name;
+
+ std::string default_value;
+
+ size_t index = 0;
+};
+
+struct BinaryRegion {
+ // Offset into the binary where this region begins.
+ uint64_t offset = 0;
+
+ // The length of this region in bytes.
+ uint64_t length = 0;
+
+ // The underlying datatype of this region
+ BinaryRegionType type = BinaryRegionType::Unknown;
+
+ // If `type` is an array/vector, this is the number of those types this region
+ // encompasses.
+ uint64_t array_length = 0;
+
+ // If the is an offset to some other region, this is what it points to. The
+ // offset is relative to overall binary, not to this region.
+ uint64_t points_to_offset = 0;
+
+ // The comment on the region.
+ BinaryRegionComment comment;
+};
+
+enum class BinarySectionType {
+ Unknown = 0,
+ Header = 1,
+ Table = 2,
+ RootTable = 3,
+ VTable = 4,
+ Struct = 5,
+ String = 6,
+ Vector = 7,
+ Union = 8,
+ Padding = 9,
+};
+
+// A section of the binary that is grouped together in some logical manner, and
+// often is pointed too by some other offset BinaryRegion. Sections include
+// `tables`, `vtables`, `strings`, `vectors`, etc..
+struct BinarySection {
+ // User-specified name of the section, if applicable.
+ std::string name;
+
+ // The type of this section.
+ BinarySectionType type = BinarySectionType::Unknown;
+
+ // The binary regions that make up this section, in order of their offsets.
+ std::vector<BinaryRegion> regions;
+};
+
+inline static BinaryRegionType GetRegionType(reflection::BaseType base_type) {
+ switch (base_type) {
+ case reflection::UType: return BinaryRegionType::UType;
+ case reflection::Bool: return BinaryRegionType::Uint8;
+ case reflection::Byte: return BinaryRegionType::Uint8;
+ case reflection::UByte: return BinaryRegionType::Uint8;
+ case reflection::Short: return BinaryRegionType::Int16;
+ case reflection::UShort: return BinaryRegionType::Uint16;
+ case reflection::Int: return BinaryRegionType::Uint32;
+ case reflection::UInt: return BinaryRegionType::Uint32;
+ case reflection::Long: return BinaryRegionType::Int64;
+ case reflection::ULong: return BinaryRegionType::Uint64;
+ case reflection::Float: return BinaryRegionType::Float;
+ case reflection::Double: return BinaryRegionType::Double;
+ default: return BinaryRegionType::Unknown;
+ }
+}
+
+inline static std::string ToString(const BinaryRegionType type) {
+ switch (type) {
+ case BinaryRegionType::UOffset: return "UOffset32";
+ case BinaryRegionType::SOffset: return "SOffset32";
+ case BinaryRegionType::VOffset: return "VOffset16";
+ case BinaryRegionType::Bool: return "bool";
+ case BinaryRegionType::Char: return "char";
+ case BinaryRegionType::Byte: return "int8_t";
+ case BinaryRegionType::Uint8: return "uint8_t";
+ case BinaryRegionType::Uint16: return "uint16_t";
+ case BinaryRegionType::Uint32: return "uint32_t";
+ case BinaryRegionType::Uint64: return "uint64_t"; ;
+ case BinaryRegionType::Int8: return "int8_t";
+ case BinaryRegionType::Int16: return "int16_t";
+ case BinaryRegionType::Int32: return "int32_t";
+ case BinaryRegionType::Int64: return "int64_t";
+ case BinaryRegionType::Double: return "double";
+ case BinaryRegionType::Float: return "float";
+ case BinaryRegionType::UType: return "UType8";
+ case BinaryRegionType::Unknown: return "?uint8_t";
+ default: return "todo";
+ }
+}
+
+class BinaryAnnotator {
+ public:
+ explicit BinaryAnnotator(const uint8_t *const bfbs,
+ const uint64_t bfbs_length,
+ const uint8_t *const binary,
+ const uint64_t binary_length)
+ : bfbs_(bfbs),
+ bfbs_length_(bfbs_length),
+ schema_(reflection::GetSchema(bfbs)),
+ binary_(binary),
+ binary_length_(binary_length) {}
+
+ std::map<uint64_t, BinarySection> Annotate();
+
+ private:
+ struct VTable {
+ struct Entry {
+ const reflection::Field *field = nullptr;
+ uint16_t offset_from_table = 0;
+ };
+
+ // Field ID -> {field def, offset from table}
+ std::map<uint16_t, Entry> fields;
+
+ uint16_t vtable_size = 0;
+ uint16_t table_size = 0;
+ };
+
+ uint64_t BuildHeader(uint64_t offset);
+
+ void BuildVTable(uint64_t offset, const reflection::Object *table,
+ uint64_t offset_of_referring_table);
+
+ void BuildTable(uint64_t offset, const BinarySectionType type,
+ const reflection::Object *table);
+
+ uint64_t BuildStruct(uint64_t offset, std::vector<BinaryRegion> ®ions,
+ const reflection::Object *structure);
+
+ void BuildString(uint64_t offset, const reflection::Object *table,
+ const reflection::Field *field);
+
+ void BuildVector(uint64_t offset, const reflection::Object *table,
+ const reflection::Field *field, uint64_t parent_table_offset,
+ const VTable &vtable);
+
+ std::string BuildUnion(uint64_t offset, uint8_t realized_type,
+ const reflection::Field *field);
+
+ void FixMissingRegions();
+ void FixMissingSections();
+
+ inline bool IsValidOffset(const uint64_t offset) const {
+ return offset < binary_length_;
+ }
+
+ // Determines if performing a GetScalar request for `T` at `offset` would read
+ // passed the end of the binary.
+ template<typename T> inline bool IsValidRead(const uint64_t offset) const {
+ return IsValidRead(offset, sizeof(T));
+ }
+
+ inline bool IsValidRead(const uint64_t offset, const uint64_t length) const {
+ return length < binary_length_ && IsValidOffset(offset + length - 1);
+ }
+
+ // Calculate the number of bytes remaining from the given offset. If offset is
+ // > binary_length, 0 is returned.
+ uint64_t RemainingBytes(const uint64_t offset) const {
+ return IsValidOffset(offset) ? binary_length_ - offset : 0;
+ }
+
+ template<typename T>
+ flatbuffers::Optional<T> ReadScalar(const uint64_t offset) const {
+ if (!IsValidRead<T>(offset)) { return flatbuffers::nullopt; }
+
+ return flatbuffers::ReadScalar<T>(binary_ + offset);
+ }
+
+ // Adds the provided `section` keyed by the `offset` it occurs at. If a
+ // section is already added at that offset, it doesn't replace the exisiting
+ // one.
+ void AddSection(const uint64_t offset, const BinarySection §ion) {
+ sections_.insert(std::make_pair(offset, section));
+ }
+
+ bool IsInlineField(const reflection::Field *const field) {
+ if (field->type()->base_type() == reflection::BaseType::Obj) {
+ return schema_->objects()->Get(field->type()->index())->is_struct();
+ }
+ return IsScalar(field->type()->base_type());
+ }
+
+ bool IsUnionType(const reflection::BaseType type) {
+ return (type == reflection::BaseType::UType ||
+ type == reflection::BaseType::Union);
+ }
+
+ bool IsUnionType(const reflection::Field *const field) {
+ return IsUnionType(field->type()->base_type()) &&
+ field->type()->index() >= 0;
+ }
+
+ bool IsValidUnionValue(const reflection::Field *const field,
+ const uint8_t value) {
+ return IsUnionType(field) &&
+ IsValidUnionValue(field->type()->index(), value);
+ }
+
+ bool IsValidUnionValue(const uint32_t enum_id, const uint8_t value) {
+ if (enum_id >= schema_->enums()->size()) { return false; }
+
+ const reflection::Enum *enum_def = schema_->enums()->Get(enum_id);
+
+ if (enum_def == nullptr) { return false; }
+
+ return value < enum_def->values()->size();
+ }
+
+ uint64_t GetElementSize(const reflection::Field *const field) {
+ if (IsScalar(field->type()->element())) {
+ return GetTypeSize(field->type()->element());
+ }
+
+ switch (field->type()->element()) {
+ case reflection::BaseType::Obj: {
+ auto obj = schema_->objects()->Get(field->type()->index());
+ return obj->is_struct() ? obj->bytesize() : sizeof(uint32_t);
+ }
+ default: return sizeof(uint32_t);
+ }
+ }
+
+ bool ContainsSection(const uint64_t offset);
+
+ // The schema for the binary file
+ const uint8_t *bfbs_;
+ const uint64_t bfbs_length_;
+ const reflection::Schema *schema_;
+
+ // The binary data itself.
+ const uint8_t *binary_;
+ const uint64_t binary_length_;
+
+ // Map of binary offset to vtables, to dedupe vtables.
+ std::map<uint64_t, VTable> vtables_;
+
+ // The annotated binary sections, index by their absolute offset.
+ std::map<uint64_t, BinarySection> sections_;
+};
+
+} // namespace flatbuffers
+
+#endif // FLATBUFFERS_BINARY_ANNOTATOR_H_
\ No newline at end of file