[llvm] b861b12 - [TextAPI] Implement TBDv5 Reader

Cyndy Ishida via llvm-commits llvm-commits at lists.llvm.org
Fri Feb 17 16:05:57 PST 2023


Author: Cyndy Ishida
Date: 2023-02-17T16:03:01-08:00
New Revision: b861b1225380175a5a724e2a677754f5f74e5b0d

URL: https://github.com/llvm/llvm-project/commit/b861b1225380175a5a724e2a677754f5f74e5b0d
DIFF: https://github.com/llvm/llvm-project/commit/b861b1225380175a5a724e2a677754f5f74e5b0d.diff

LOG: [TextAPI] Implement TBDv5 Reader

    [TextAPI] Implement TBDv5 Reader

    Introduce initial reader for TBDv5 which is in JSON. This captures all
    the currently understood fields within the internal structure
    `InterfaceFile`.

    New fields & follow up tests will be followed up in future PRs.

Reviewed By: pete

Differential Revision: https://reviews.llvm.org/D144156

Added: 
    llvm/lib/TextAPI/TextStubV5.cpp
    llvm/unittests/TextAPI/TextStubV5Tests.cpp

Modified: 
    lld/test/MachO/Inputs/libStubLink.tbd
    lld/test/MachO/invalid/invalid-stub.s
    lld/test/MachO/tapi-link.s
    llvm/include/llvm/TextAPI/InterfaceFile.h
    llvm/lib/TextAPI/CMakeLists.txt
    llvm/lib/TextAPI/TextStub.cpp
    llvm/lib/TextAPI/TextStubCommon.cpp
    llvm/lib/TextAPI/TextStubCommon.h
    llvm/test/Object/Inputs/tapi-v4-watchos.tbd
    llvm/test/tools/llvm-tapi-diff/Inputs/v4A.tbd
    llvm/test/tools/llvm-tapi-diff/Inputs/v4B.tbd
    llvm/test/tools/llvm-tapi-diff/Inputs/v4C.tbd
    llvm/test/tools/llvm-tapi-diff/Inputs/v4D.tbd
    llvm/test/tools/llvm-tapi-diff/Inputs/v4E.tbd
    llvm/unittests/TextAPI/CMakeLists.txt
    llvm/unittests/TextAPI/TextStubHelpers.h
    llvm/unittests/TextAPI/TextStubV4Tests.cpp

Removed: 
    


################################################################################
diff  --git a/lld/test/MachO/Inputs/libStubLink.tbd b/lld/test/MachO/Inputs/libStubLink.tbd
index 6e6237edbc8a2..eaf216d0a1f3f 100644
--- a/lld/test/MachO/Inputs/libStubLink.tbd
+++ b/lld/test/MachO/Inputs/libStubLink.tbd
@@ -22,3 +22,4 @@ current-version: 1.0.0
 exports:
   - targets:         [ arm64-ios-simulator ]
     symbols:         [ _arm64_sim_only ]
+...

diff  --git a/lld/test/MachO/invalid/invalid-stub.s b/lld/test/MachO/invalid/invalid-stub.s
index 997594918cd53..a80dfa6f8f15c 100644
--- a/lld/test/MachO/invalid/invalid-stub.s
+++ b/lld/test/MachO/invalid/invalid-stub.s
@@ -7,9 +7,8 @@
 # RUN: not %lld -L%t -linvalidYAML %t/test.o -o %t/test 2>&1 | FileCheck %s -DDIR=%t
 # RUN: not %lld -F%t -framework invalidYAML %t/test.o -o %t/test 2>&1 | FileCheck %s -DDIR=%t --check-prefix=CHECK-FRAMEWORK
 
-# CHECK: could not load TAPI file at [[DIR]]{{[\\/]}}libinvalidYAML.tbd: malformed file
-# CHECK-FRAMEWORK: could not load TAPI file at [[DIR]]{{[\\/]}}invalidYAML.framework{{[\\/]}}invalidYAML.tbd: malformed file
-
+# CHECK: could not load TAPI file at [[DIR]]{{[\\/]}}libinvalidYAML.tbd: unsupported file type  
+# CHECK-FRAMEWORK: could not load TAPI file at [[DIR]]{{[\\/]}}invalidYAML.framework{{[\\/]}}invalidYAML.tbd: unsupported file type  
 .globl _main
 _main:
   ret

diff  --git a/lld/test/MachO/tapi-link.s b/lld/test/MachO/tapi-link.s
index b2aa2f208281e..af205b6c24e99 100644
--- a/lld/test/MachO/tapi-link.s
+++ b/lld/test/MachO/tapi-link.s
@@ -121,7 +121,6 @@ exports:
     re-exports: [ 'libNested.dylib' ]
 ...
 
-## This tests that weak and thread-local symbols are imported as such.
 #--- libTlvWeak.tbd
 --- !tapi-tbd
 tbd-version:      4
@@ -131,8 +130,8 @@ uuids:
     value:        00000000-0000-0000-0000-000000000000
 install-name:     '/usr/lib/libTlvWeak.dylib'
 current-version:  0001.001.1
-exports:
+exports:                            # Validate weak & thread-local symbols 
   - targets:      [ x86_64-macos ]
     weak-symbols: [ _weak ]
     thread-local-symbols: [ _tlv ]
----
+...

diff  --git a/llvm/include/llvm/TextAPI/InterfaceFile.h b/llvm/include/llvm/TextAPI/InterfaceFile.h
index 5f07397adacaa..cb8ec4b8f76d6 100644
--- a/llvm/include/llvm/TextAPI/InterfaceFile.h
+++ b/llvm/include/llvm/TextAPI/InterfaceFile.h
@@ -66,6 +66,9 @@ enum FileType : unsigned {
   /// Text-based stub file (.tbd) version 4.0
   TBD_V4  = 1U <<  3,
 
+  /// Text-based stub file (.tbd) version 5.0
+  TBD_V5  = 1U <<  4,
+
   All     = ~0U,
 
   LLVM_MARK_AS_BITMASK_ENUM(/*LargestValue=*/All),

diff  --git a/llvm/lib/TextAPI/CMakeLists.txt b/llvm/lib/TextAPI/CMakeLists.txt
index c7e9e1009ab22..1714ce33ef205 100644
--- a/llvm/lib/TextAPI/CMakeLists.txt
+++ b/llvm/lib/TextAPI/CMakeLists.txt
@@ -2,6 +2,7 @@ add_llvm_component_library(LLVMTextAPI
   Architecture.cpp
   ArchitectureSet.cpp
   InterfaceFile.cpp
+  TextStubV5.cpp
   PackedVersion.cpp
   Platform.cpp
   Symbol.cpp

diff  --git a/llvm/lib/TextAPI/TextStub.cpp b/llvm/lib/TextAPI/TextStub.cpp
index ff93e43356f73..73cb61472bff3 100644
--- a/llvm/lib/TextAPI/TextStub.cpp
+++ b/llvm/lib/TextAPI/TextStub.cpp
@@ -258,16 +258,6 @@ struct UUIDv4 {
   UUIDv4(const Target &TargetID, const std::string &Value)
       : TargetID(TargetID), Value(Value) {}
 };
-
-// clang-format off
-enum TBDFlags : unsigned {
-  None                         = 0U,
-  FlatNamespace                = 1U << 0,
-  NotApplicationExtensionSafe  = 1U << 1,
-  InstallAPI                   = 1U << 2,
-  LLVM_MARK_AS_BITMASK_ENUM(/*LargestValue=*/InstallAPI),
-};
-// clang-format on
 } // end anonymous namespace.
 
 LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(Architecture)
@@ -1105,10 +1095,49 @@ static void DiagHandler(const SMDiagnostic &Diag, void *Context) {
   File->ErrorMessage = ("malformed file\n" + Message).str();
 }
 
+namespace {
+
+Expected<FileType> canReadFileType(MemoryBufferRef InputBuffer) {
+  auto TAPIFile = InputBuffer.getBuffer().trim();
+  if (TAPIFile.startswith("{") && TAPIFile.endswith("}"))
+    return FileType::TBD_V5;
+
+  if (!TAPIFile.endswith("..."))
+    return createStringError(std::errc::not_supported, "unsupported file type");
+
+  if (TAPIFile.startswith("--- !tapi-tbd\n"))
+    return FileType::TBD_V4;
+
+  if (TAPIFile.startswith("--- !tapi-tbd-v3\n"))
+    return FileType::TBD_V3;
+
+  if (TAPIFile.startswith("--- !tapi-tbd-v2\n"))
+    return FileType::TBD_V2;
+
+  if (TAPIFile.startswith("--- !tapi-tbd-v1\n") ||
+      TAPIFile.startswith("---\narchs:"))
+    return FileType::TBD_V1;
+
+  return createStringError(std::errc::not_supported, "unsupported file type");
+}
+} // namespace
+
 Expected<std::unique_ptr<InterfaceFile>>
 TextAPIReader::get(MemoryBufferRef InputBuffer) {
   TextAPIContext Ctx;
   Ctx.Path = std::string(InputBuffer.getBufferIdentifier());
+  if (auto FTOrErr = canReadFileType(InputBuffer))
+    Ctx.FileKind = *FTOrErr;
+  else
+    return FTOrErr.takeError();
+
+  // Handle JSON Format.
+  if (Ctx.FileKind >= FileType::TBD_V5) {
+    auto FileOrErr = getInterfaceFileFromJSON(InputBuffer.getBuffer());
+    if (!FileOrErr)
+      return FileOrErr.takeError();
+    return std::move(*FileOrErr);
+  }
   yaml::Input YAMLIn(InputBuffer.getBuffer(), &Ctx, DiagHandler, &Ctx);
 
   // Fill vector with interface file objects created by parsing the YAML file.

diff  --git a/llvm/lib/TextAPI/TextStubCommon.cpp b/llvm/lib/TextAPI/TextStubCommon.cpp
index 01a90078e1506..8959af4bfa09f 100644
--- a/llvm/lib/TextAPI/TextStubCommon.cpp
+++ b/llvm/lib/TextAPI/TextStubCommon.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// Implememts common Text Stub YAML mappings.
+// Implements common Text Stub YAML mappings.
 //
 //===----------------------------------------------------------------------===//
 

diff  --git a/llvm/lib/TextAPI/TextStubCommon.h b/llvm/lib/TextAPI/TextStubCommon.h
index aac27221b5fff..51b423137f4e9 100644
--- a/llvm/lib/TextAPI/TextStubCommon.h
+++ b/llvm/lib/TextAPI/TextStubCommon.h
@@ -22,6 +22,16 @@
 
 using UUID = std::pair<llvm::MachO::Target, std::string>;
 
+// clang-format off
+enum TBDFlags : unsigned {
+  None                         = 0U,
+  FlatNamespace                = 1U << 0,
+  NotApplicationExtensionSafe  = 1U << 1,
+  InstallAPI                   = 1U << 2,
+  LLVM_MARK_AS_BITMASK_ENUM(/*LargestValue=*/InstallAPI),
+};
+// clang-format on
+
 LLVM_YAML_STRONG_TYPEDEF(llvm::StringRef, FlowStringRef)
 LLVM_YAML_STRONG_TYPEDEF(uint8_t, SwiftVersion)
 LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(UUID)
@@ -30,9 +40,13 @@ LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(FlowStringRef)
 namespace llvm {
 
 namespace MachO {
-    class ArchitectureSet;
-    class PackedVersion;
-}
+class ArchitectureSet;
+class PackedVersion;
+
+Expected<std::unique_ptr<InterfaceFile>>
+getInterfaceFileFromJSON(StringRef JSON);
+} // namespace MachO
+
 namespace yaml {
 
 template <> struct ScalarTraits<FlowStringRef> {

diff  --git a/llvm/lib/TextAPI/TextStubV5.cpp b/llvm/lib/TextAPI/TextStubV5.cpp
new file mode 100644
index 0000000000000..431d285b3b2e5
--- /dev/null
+++ b/llvm/lib/TextAPI/TextStubV5.cpp
@@ -0,0 +1,700 @@
+//===- TextStubV5.cpp -----------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// Implements Text Stub JSON mappings.
+//
+//===----------------------------------------------------------------------===//
+#include "TextStubCommon.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/Support/JSON.h"
+
+// clang-format off
+/*
+
+JSON Format specification.
+
+All library level keys, accept target values and are defaulted if not specified. 
+
+{
+"tapi_tbd_version": 5,                            # Required: TBD version for all documents in file
+"main_library": {                                 # Required: top level library
+  "target_info": [                                # Required: target information 
+    {
+      "target": "x86_64-macos",
+      "min_deployment": "10.14"                   # Required: minimum OS deployment version
+    },
+    {
+      "target": "arm64-macos",
+      "min_deployment": "10.14"
+    },
+    {
+      "target": "arm64-maccatalyst",
+      "min_deployment": "12.1"
+    }],
+  "flags":[{"attributes": ["flat_namespace"]}],     # Optional:
+  "install_names":[{"name":"/S/L/F/Foo.fwk/Foo"}],  # Required: library install name 
+  "current_versions":[{"version": "1.2"}],          # Optional: defaults to 1
+  "compatibility_versions":[{ "version": "1.1"}],   # Optional: defaults to 1
+  "rpaths": [                                       # Optional: 
+    {
+      "targets": ["x86_64-macos"],                  # Optional: defaults to targets in `target-info`
+      "paths": ["@executable_path/.../Frameworks"]
+    }],
+  "parent_umbrellas": [{"umbrella": "System"}],
+  "allowable_clients": [{"clients": ["ClientA"]}],
+  "reexported_libraries": [{"names": ["/u/l/l/foo.dylib"]}],
+  "exported_symbols": [{                            # List of export symbols section
+      "targets": ["x86_64-macos", "arm64-macos"],   # Optional: defaults to targets in `target-info`
+        "text": {                                   # List of Text segment symbols 
+          "global": [ "_func" ],
+          "weak": [],
+          "thread_local": []
+        },
+        "data": { ... },                            # List of Data segment symbols
+   }],
+  "reexported_symbols": [{  ... }],                 # List of reexported symbols section
+  "undefined_symbols": [{ ... }]                    # List of undefined symbols section
+},
+"libraries": [                                      # Optional: Array of inlined libraries
+  {...}, {...}, {...}
+]
+}
+*/
+// clang-format on
+
+using namespace llvm;
+using namespace llvm::json;
+using namespace llvm::MachO;
+
+struct JSONSymbol {
+  SymbolKind Kind;
+  std::string Name;
+  SymbolFlags Flags;
+};
+
+using AttrToTargets = std::map<std::string, TargetList>;
+using TargetsToSymbols =
+    SmallVector<std::pair<TargetList, std::vector<JSONSymbol>>>;
+
+enum TBDKey : size_t {
+  TBDVersion = 0U,
+  MainLibrary,
+  Documents,
+  TargetInfo,
+  Targets,
+  Target,
+  Deployment,
+  Flags,
+  Attributes,
+  InstallName,
+  CurrentVersion,
+  CompatibilityVersion,
+  Version,
+  SwiftABI,
+  ABI,
+  ParentUmbrella,
+  Umbrella,
+  AllowableClients,
+  Clients,
+  ReexportLibs,
+  Names,
+  Name,
+  Exports,
+  Reexports,
+  Undefineds,
+  Data,
+  Text,
+  Weak,
+  ThreadLocal,
+  Globals,
+  ObjCClass,
+  ObjCEHType,
+  ObjCIvar,
+};
+
+std::array<StringRef, 64> Keys = {
+    "tapi_tbd_version",
+    "main_library",
+    "libraries",
+    "target_info",
+    "targets",
+    "target",
+    "min_deployment",
+    "flags",
+    "attributes",
+    "install_names",
+    "current_versions",
+    "compatibility_versions",
+    "version",
+    "swift_abi",
+    "abi",
+    "parent_umbrellas",
+    "umbrella",
+    "allowable_clients",
+    "clients",
+    "reexported_libraries",
+    "names",
+    "name",
+    "exported_symbols",
+    "reexported_symbols",
+    "undefined_symbols",
+    "data",
+    "text",
+    "weak",
+    "thread_local",
+    "global",
+    "objc_class",
+    "objc_eh_type",
+    "objc_ivar",
+};
+
+static llvm::SmallString<128> getParseErrorMsg(TBDKey Key) {
+  return {"invalid ", Keys[Key], " section"};
+}
+
+class JSONStubError : public llvm::ErrorInfo<llvm::json::ParseError> {
+public:
+  JSONStubError(Twine ErrMsg) : Message(ErrMsg.str()) {}
+
+  void log(llvm::raw_ostream &OS) const override { OS << Message << "\n"; }
+  std::error_code convertToErrorCode() const override {
+    return llvm::inconvertibleErrorCode();
+  }
+
+private:
+  std::string Message;
+};
+
+template <typename JsonT, typename StubT = JsonT>
+Expected<StubT> getRequiredValue(
+    TBDKey Key, const Object *Obj,
+    std::function<std::optional<JsonT>(const Object *, StringRef)> GetValue,
+    std::function<std::optional<StubT>(JsonT)> Validate = nullptr) {
+  std::optional<JsonT> Val = GetValue(Obj, Keys[Key]);
+  if (!Val)
+    return make_error<JSONStubError>(getParseErrorMsg(Key));
+
+  if (Validate == nullptr)
+    return static_cast<StubT>(*Val);
+
+  std::optional<StubT> Result = Validate(*Val);
+  if (!Result.has_value())
+    return make_error<JSONStubError>(getParseErrorMsg(Key));
+  return Result.value();
+}
+
+template <typename JsonT, typename StubT = JsonT>
+Expected<StubT> getRequiredValue(
+    TBDKey Key, const Object *Obj,
+    std::function<std::optional<JsonT>(const Object *, StringRef)> GetValue,
+    StubT DefaultValue, std::function<std::optional<StubT>(JsonT)> Validate) {
+  std::optional<JsonT> Val = GetValue(Obj, Keys[Key]);
+  if (!Val)
+    return DefaultValue;
+
+  std::optional<StubT> Result;
+  Result = Validate(*Val);
+  if (!Result.has_value())
+    return make_error<JSONStubError>(getParseErrorMsg(Key));
+  return Result.value();
+}
+
+Error collectFromArray(TBDKey Key, const Object *Obj,
+                       std::function<void(StringRef)> Append,
+                       bool IsRequired = false) {
+  const auto *Values = Obj->getArray(Keys[Key]);
+  if (!Values) {
+    if (IsRequired)
+      return make_error<JSONStubError>(getParseErrorMsg(Key));
+    return Error::success();
+  }
+
+  for (Value Val : *Values) {
+    auto ValStr = Val.getAsString();
+    if (!ValStr.has_value())
+      return make_error<JSONStubError>(getParseErrorMsg(Key));
+    Append(ValStr.value());
+  }
+
+  return Error::success();
+}
+
+namespace StubParser {
+
+Expected<FileType> getVersion(const Object *File) {
+  auto VersionOrErr = getRequiredValue<int64_t, FileType>(
+      TBDKey::TBDVersion, File, &Object::getInteger,
+      [](int64_t Val) -> std::optional<FileType> {
+        unsigned Result = Val;
+        if (Result != 5)
+          return std::nullopt;
+        return FileType::TBD_V5;
+      });
+
+  if (!VersionOrErr)
+    return VersionOrErr.takeError();
+  return *VersionOrErr;
+}
+
+Expected<TargetList> getTargets(const Object *Section) {
+  const auto *Targets = Section->getArray(Keys[TBDKey::Targets]);
+  if (!Targets)
+    return make_error<JSONStubError>(getParseErrorMsg(TBDKey::Targets));
+
+  TargetList IFTargets;
+  for (Value JSONTarget : *Targets) {
+    auto TargetStr = JSONTarget.getAsString();
+    if (!TargetStr.has_value())
+      return make_error<JSONStubError>(getParseErrorMsg(TBDKey::Target));
+    auto TargetOrErr = Target::create(TargetStr.value());
+    if (!TargetOrErr)
+      return make_error<JSONStubError>(getParseErrorMsg(TBDKey::Target));
+    IFTargets.push_back(*TargetOrErr);
+  }
+  return IFTargets;
+}
+
+Expected<TargetList> getTargetsSection(const Object *Section) {
+  const Array *Targets = Section->getArray(Keys[TBDKey::TargetInfo]);
+  if (!Targets)
+    return make_error<JSONStubError>(getParseErrorMsg(TBDKey::Targets));
+
+  TargetList IFTargets;
+  for (const Value &JSONTarget : *Targets) {
+    const auto *Obj = JSONTarget.getAsObject();
+    if (!Obj)
+      return make_error<JSONStubError>(getParseErrorMsg(TBDKey::Target));
+    auto TargetStr =
+        getRequiredValue<StringRef>(TBDKey::Target, Obj, &Object::getString);
+    if (!TargetStr)
+      return make_error<JSONStubError>(getParseErrorMsg(TBDKey::Target));
+    auto TargetOrErr = Target::create(*TargetStr);
+    if (!TargetOrErr)
+      return make_error<JSONStubError>(getParseErrorMsg(TBDKey::Target));
+    IFTargets.push_back(*TargetOrErr);
+    // TODO: Implement Deployment Version.
+  }
+  return IFTargets;
+}
+
+Error collectSymbolsFromSegment(const Object *Segment, TargetsToSymbols &Result,
+                                SymbolFlags SectionFlag) {
+  auto Err = collectFromArray(
+      TBDKey::Globals, Segment, [&Result, &SectionFlag](StringRef Name) {
+        JSONSymbol Sym = {SymbolKind::GlobalSymbol, Name.str(), SectionFlag};
+        Result.back().second.emplace_back(Sym);
+      });
+  if (Err)
+    return Err;
+
+  Err = collectFromArray(
+      TBDKey::ObjCClass, Segment, [&Result, &SectionFlag](StringRef Name) {
+        JSONSymbol Sym = {SymbolKind::ObjectiveCClass, Name.str(), SectionFlag};
+        Result.back().second.emplace_back(Sym);
+      });
+  if (Err)
+    return Err;
+
+  Err = collectFromArray(TBDKey::ObjCEHType, Segment,
+                         [&Result, &SectionFlag](StringRef Name) {
+                           JSONSymbol Sym = {SymbolKind::ObjectiveCClassEHType,
+                                             Name.str(), SectionFlag};
+                           Result.back().second.emplace_back(Sym);
+                         });
+  if (Err)
+    return Err;
+
+  Err = collectFromArray(
+      TBDKey::ObjCIvar, Segment, [&Result, &SectionFlag](StringRef Name) {
+        JSONSymbol Sym = {SymbolKind::ObjectiveCInstanceVariable, Name.str(),
+                          SectionFlag};
+        Result.back().second.emplace_back(Sym);
+      });
+  if (Err)
+    return Err;
+
+  SymbolFlags WeakFlag = SectionFlag | (SectionFlag == SymbolFlags::Undefined
+                                            ? SymbolFlags::WeakReferenced
+                                            : SymbolFlags::WeakDefined);
+  Err = collectFromArray(TBDKey::Weak, Segment,
+                         [&Result, WeakFlag](StringRef Name) {
+                           JSONSymbol Sym = {
+                               SymbolKind::GlobalSymbol,
+                               Name.str(),
+                               WeakFlag,
+                           };
+                           Result.back().second.emplace_back(Sym);
+                         });
+  if (Err)
+    return Err;
+
+  Err = collectFromArray(
+      TBDKey::ThreadLocal, Segment, [&Result, SectionFlag](StringRef Name) {
+        JSONSymbol Sym = {SymbolKind::GlobalSymbol, Name.str(),
+                          SymbolFlags::ThreadLocalValue | SectionFlag};
+        Result.back().second.emplace_back(Sym);
+      });
+  if (Err)
+    return Err;
+
+  return Error::success();
+}
+
+Expected<StringRef> getNameSection(const Object *File) {
+  const Array *Section = File->getArray(Keys[TBDKey::InstallName]);
+  if (!Section)
+    return make_error<JSONStubError>(getParseErrorMsg(TBDKey::InstallName));
+
+  assert(!Section->empty() && "unexpected missing install name");
+  // TODO: Just take first for now.
+  const auto *Obj = Section->front().getAsObject();
+  if (!Obj)
+    return make_error<JSONStubError>(getParseErrorMsg(TBDKey::InstallName));
+
+  return getRequiredValue<StringRef>(TBDKey::Name, Obj, &Object::getString);
+}
+
+Expected<TargetsToSymbols> getSymbolSection(const Object *File, TBDKey Key,
+                                            TargetList &Targets) {
+
+  const Array *Section = File->getArray(Keys[Key]);
+  if (!Section)
+    return TargetsToSymbols();
+
+  SymbolFlags SectionFlag;
+  switch (Key) {
+  case TBDKey::Reexports:
+    SectionFlag = SymbolFlags::Rexported;
+    break;
+  case TBDKey::Undefineds:
+    SectionFlag = SymbolFlags::Undefined;
+    break;
+  default:
+    SectionFlag = SymbolFlags::None;
+    break;
+  };
+
+  TargetsToSymbols Result;
+  TargetList MappedTargets;
+  for (auto Val : *Section) {
+    auto *Obj = Val.getAsObject();
+    if (!Obj)
+      continue;
+
+    auto TargetsOrErr = getTargets(Obj);
+    if (!TargetsOrErr) {
+      MappedTargets = Targets;
+      consumeError(TargetsOrErr.takeError());
+    } else {
+      MappedTargets = *TargetsOrErr;
+    }
+    Result.emplace_back(std::make_pair(Targets, std::vector<JSONSymbol>()));
+
+    auto *DataSection = Obj->getObject(Keys[TBDKey::Data]);
+    auto *TextSection = Obj->getObject(Keys[TBDKey::Text]);
+    // There should be at least one valid section.
+    if (!DataSection && !TextSection)
+      return make_error<JSONStubError>(getParseErrorMsg(Key));
+
+    if (DataSection) {
+      auto Err = collectSymbolsFromSegment(DataSection, Result, SectionFlag);
+      if (Err)
+        return Err;
+    }
+    if (TextSection) {
+      auto Err = collectSymbolsFromSegment(TextSection, Result, SectionFlag);
+      if (Err)
+        return Err;
+    }
+  }
+
+  return Result;
+}
+
+Expected<AttrToTargets> getLibSection(const Object *File, TBDKey Key,
+                                      TBDKey SubKey,
+                                      const TargetList &Targets) {
+  auto *Section = File->getArray(Keys[Key]);
+  if (!Section)
+    return AttrToTargets();
+
+  AttrToTargets Result;
+  TargetList MappedTargets;
+  for (auto Val : *Section) {
+    auto *Obj = Val.getAsObject();
+    if (!Obj)
+      continue;
+
+    auto TargetsOrErr = getTargets(Obj);
+    if (!TargetsOrErr) {
+      MappedTargets = Targets;
+      consumeError(TargetsOrErr.takeError());
+    } else {
+      MappedTargets = *TargetsOrErr;
+    }
+    auto Err =
+        collectFromArray(SubKey, Obj, [&Result, &MappedTargets](StringRef Key) {
+          Result[Key.str()] = MappedTargets;
+        });
+    if (Err)
+      return Err;
+  }
+
+  return Result;
+}
+
+Expected<AttrToTargets> getUmbrellaSection(const Object *File,
+                                           const TargetList &Targets) {
+  const auto *Umbrella = File->getArray(Keys[TBDKey::ParentUmbrella]);
+  if (!Umbrella)
+    return AttrToTargets();
+
+  AttrToTargets Result;
+  TargetList MappedTargets;
+  for (auto Val : *Umbrella) {
+    auto *Obj = Val.getAsObject();
+    if (!Obj)
+      return make_error<JSONStubError>(
+          getParseErrorMsg(TBDKey::ParentUmbrella));
+
+    // Get Targets section.
+    auto TargetsOrErr = getTargets(Obj);
+    if (!TargetsOrErr) {
+      MappedTargets = Targets;
+      consumeError(TargetsOrErr.takeError());
+    } else {
+      MappedTargets = *TargetsOrErr;
+    }
+
+    auto UmbrellaOrErr =
+        getRequiredValue<StringRef>(TBDKey::Umbrella, Obj, &Object::getString);
+    if (!UmbrellaOrErr)
+      return UmbrellaOrErr.takeError();
+    Result[UmbrellaOrErr->str()] = Targets;
+  }
+  return Result;
+}
+
+Expected<uint8_t> getSwiftVersion(const Object *File) {
+  const Array *Versions = File->getArray(Keys[TBDKey::SwiftABI]);
+  if (!Versions)
+    return 0;
+
+  for (const auto &Val : *Versions) {
+    const auto *Obj = Val.getAsObject();
+    if (!Obj)
+      return make_error<JSONStubError>(getParseErrorMsg(TBDKey::SwiftABI));
+
+    // TODO: Take first for now.
+    return getRequiredValue<int64_t, uint8_t>(TBDKey::ABI, Obj,
+                                              &Object::getInteger);
+  }
+
+  return 0;
+}
+
+Expected<PackedVersion> getPackedVersion(const Object *File, TBDKey Key) {
+  const Array *Versions = File->getArray(Keys[Key]);
+  if (!Versions)
+    return PackedVersion(1, 0, 0);
+
+  for (const auto &Val : *Versions) {
+    const auto *Obj = Val.getAsObject();
+    if (!Obj)
+      return make_error<JSONStubError>(getParseErrorMsg(Key));
+
+    auto ValidatePV = [](StringRef Version) -> std::optional<PackedVersion> {
+      PackedVersion PV;
+      auto [success, truncated] = PV.parse64(Version);
+      if (!success || truncated)
+        return std::nullopt;
+      return PV;
+    };
+    // TODO: Take first for now.
+    return getRequiredValue<StringRef, PackedVersion>(
+        TBDKey::Version, Obj, &Object::getString, PackedVersion(1, 0, 0),
+        ValidatePV);
+  }
+
+  return PackedVersion(1, 0, 0);
+}
+
+Expected<TBDFlags> getFlags(const Object *File) {
+  TBDFlags Flags = TBDFlags::None;
+  const Array *Section = File->getArray(Keys[TBDKey::Flags]);
+  if (!Section)
+    return Flags;
+
+  for (auto &Val : *Section) {
+    // TODO: Just take first for now.
+    const auto *Obj = Val.getAsObject();
+    if (!Obj)
+      return make_error<JSONStubError>(getParseErrorMsg(TBDKey::Flags));
+
+    auto FlagsOrErr =
+        collectFromArray(TBDKey::Attributes, Obj, [&Flags](StringRef Flag) {
+          TBDFlags TBDFlag =
+              StringSwitch<TBDFlags>(Flag)
+                  .Case("flat_namespace", TBDFlags::FlatNamespace)
+                  .Case("not_app_extension_safe",
+                        TBDFlags::NotApplicationExtensionSafe)
+                  .Default(TBDFlags::None);
+          Flags |= TBDFlag;
+        });
+
+    if (FlagsOrErr)
+      return FlagsOrErr;
+
+    return Flags;
+  }
+
+  return Flags;
+}
+
+using IFPtr = std::unique_ptr<InterfaceFile>;
+Expected<IFPtr> parseToInterfaceFile(const Object *File) {
+  auto TargetsOrErr = getTargetsSection(File);
+  if (!TargetsOrErr)
+    return TargetsOrErr.takeError();
+  TargetList Targets = *TargetsOrErr;
+
+  auto NameOrErr = getNameSection(File);
+  if (!NameOrErr)
+    return NameOrErr.takeError();
+  StringRef Name = *NameOrErr;
+
+  auto CurrVersionOrErr = getPackedVersion(File, TBDKey::CurrentVersion);
+  if (!CurrVersionOrErr)
+    return CurrVersionOrErr.takeError();
+  PackedVersion CurrVersion = *CurrVersionOrErr;
+
+  auto CompVersionOrErr = getPackedVersion(File, TBDKey::CompatibilityVersion);
+  if (!CompVersionOrErr)
+    return CompVersionOrErr.takeError();
+  PackedVersion CompVersion = *CompVersionOrErr;
+
+  auto SwiftABIOrErr = getSwiftVersion(File);
+  if (!SwiftABIOrErr)
+    return SwiftABIOrErr.takeError();
+  uint8_t SwiftABI = *SwiftABIOrErr;
+
+  auto FlagsOrErr = getFlags(File);
+  if (!FlagsOrErr)
+    return FlagsOrErr.takeError();
+  TBDFlags Flags = *FlagsOrErr;
+
+  auto UmbrellasOrErr = getUmbrellaSection(File, Targets);
+  if (!UmbrellasOrErr)
+    return UmbrellasOrErr.takeError();
+  AttrToTargets Umbrellas = *UmbrellasOrErr;
+
+  auto ClientsOrErr =
+      getLibSection(File, TBDKey::AllowableClients, TBDKey::Clients, Targets);
+  if (!ClientsOrErr)
+    return ClientsOrErr.takeError();
+  AttrToTargets Clients = *ClientsOrErr;
+
+  auto RLOrErr =
+      getLibSection(File, TBDKey::ReexportLibs, TBDKey::Names, Targets);
+  if (!RLOrErr)
+    return RLOrErr.takeError();
+  AttrToTargets ReexportLibs = std::move(*RLOrErr);
+
+  auto ExportsOrErr = getSymbolSection(File, TBDKey::Exports, Targets);
+  if (!ExportsOrErr)
+    return ExportsOrErr.takeError();
+  TargetsToSymbols Exports = std::move(*ExportsOrErr);
+
+  auto ReexportsOrErr = getSymbolSection(File, TBDKey::Reexports, Targets);
+  if (!ReexportsOrErr)
+    return ReexportsOrErr.takeError();
+  TargetsToSymbols Reexports = std::move(*ReexportsOrErr);
+
+  auto UndefinedsOrErr = getSymbolSection(File, TBDKey::Undefineds, Targets);
+  if (!UndefinedsOrErr)
+    return UndefinedsOrErr.takeError();
+  TargetsToSymbols Undefineds = std::move(*UndefinedsOrErr);
+
+  IFPtr F(new InterfaceFile);
+  F->setInstallName(Name);
+  F->setCurrentVersion(CurrVersion);
+  F->setCompatibilityVersion(CompVersion);
+  F->setSwiftABIVersion(SwiftABI);
+  F->setTwoLevelNamespace(!(Flags & TBDFlags::FlatNamespace));
+  F->setApplicationExtensionSafe(
+      !(Flags & TBDFlags::NotApplicationExtensionSafe));
+  for (auto &T : Targets)
+    F->addTarget(T);
+  for (auto &[Lib, Targets] : Clients)
+    for (auto Target : Targets)
+      F->addAllowableClient(Lib, Target);
+  for (auto &[Lib, Targets] : ReexportLibs)
+    for (auto Target : Targets)
+      F->addReexportedLibrary(Lib, Target);
+  for (auto &[Lib, Targets] : Umbrellas)
+    for (auto Target : Targets)
+      F->addParentUmbrella(Target, Lib);
+  for (auto &[Targets, Symbols] : Exports)
+    for (auto &Sym : Symbols)
+      F->addSymbol(Sym.Kind, Sym.Name, Targets, Sym.Flags);
+  for (auto &[Targets, Symbols] : Reexports)
+    for (auto &Sym : Symbols)
+      F->addSymbol(Sym.Kind, Sym.Name, Targets, Sym.Flags);
+  for (auto &[Targets, Symbols] : Undefineds)
+    for (auto &Sym : Symbols)
+      F->addSymbol(Sym.Kind, Sym.Name, Targets, Sym.Flags);
+
+  return F;
+}
+
+Expected<std::vector<IFPtr>> getInlinedLibs(const Object *File) {
+  std::vector<IFPtr> IFs;
+  const Array *Files = File->getArray(Keys[TBDKey::Documents]);
+  if (!Files)
+    return IFs;
+
+  for (auto Lib : *Files) {
+    auto IFOrErr = parseToInterfaceFile(Lib.getAsObject());
+    if (!IFOrErr)
+      return IFOrErr.takeError();
+    auto IF = std::move(*IFOrErr);
+    IFs.emplace_back(std::move(IF));
+  }
+  return IFs;
+}
+
+} // namespace StubParser
+
+Expected<std::unique_ptr<InterfaceFile>>
+MachO::getInterfaceFileFromJSON(StringRef JSON) {
+  auto ValOrErr = parse(JSON);
+  if (!ValOrErr)
+    return ValOrErr.takeError();
+
+  auto *Root = ValOrErr->getAsObject();
+  auto VersionOrErr = StubParser::getVersion(Root);
+  if (!VersionOrErr)
+    return VersionOrErr.takeError();
+  FileType Version = *VersionOrErr;
+
+  Object *MainLib = Root->getObject(Keys[TBDKey::MainLibrary]);
+  auto IFOrErr = StubParser::parseToInterfaceFile(MainLib);
+  if (!IFOrErr)
+    return IFOrErr.takeError();
+  (*IFOrErr)->setFileType(Version);
+  std::unique_ptr<InterfaceFile> IF(std::move(*IFOrErr));
+
+  auto IFsOrErr = StubParser::getInlinedLibs(Root);
+  if (!IFsOrErr)
+    return IFsOrErr.takeError();
+  for (auto &File : *IFsOrErr) {
+    File->setFileType(Version);
+    IF->addDocument(std::shared_ptr<InterfaceFile>(std::move(File)));
+  }
+  return std::move(IF);
+}

diff  --git a/llvm/test/Object/Inputs/tapi-v4-watchos.tbd b/llvm/test/Object/Inputs/tapi-v4-watchos.tbd
index df0692273ed67..1a22de411079a 100644
--- a/llvm/test/Object/Inputs/tapi-v4-watchos.tbd
+++ b/llvm/test/Object/Inputs/tapi-v4-watchos.tbd
@@ -11,3 +11,4 @@ current-version: 1
 exports:
   - targets:              [ armv7k-watchos-simulator, arm64_32-watchos-simulator ]
     symbols:              [ '_sym1' ]
+...

diff  --git a/llvm/test/tools/llvm-tapi-
diff /Inputs/v4A.tbd b/llvm/test/tools/llvm-tapi-
diff /Inputs/v4A.tbd
index 7dba4d8430ca6..e4e6dcc180670 100644
--- a/llvm/test/tools/llvm-tapi-
diff /Inputs/v4A.tbd
+++ b/llvm/test/tools/llvm-tapi-
diff /Inputs/v4A.tbd
@@ -47,3 +47,4 @@ undefineds:
     objc-ivars: []
     weak-symbols: []
     thread-local-symbols: []
+...

diff  --git a/llvm/test/tools/llvm-tapi-
diff /Inputs/v4B.tbd b/llvm/test/tools/llvm-tapi-
diff /Inputs/v4B.tbd
index 6a831846951e7..9ad435c595e40 100644
--- a/llvm/test/tools/llvm-tapi-
diff /Inputs/v4B.tbd
+++ b/llvm/test/tools/llvm-tapi-
diff /Inputs/v4B.tbd
@@ -53,3 +53,4 @@ exports:
     weak-symbols:    [ _symC ]
   - targets:         [ x86_64-ios-simulator ]
     symbols:         [ _symB ]
+...

diff  --git a/llvm/test/tools/llvm-tapi-
diff /Inputs/v4C.tbd b/llvm/test/tools/llvm-tapi-
diff /Inputs/v4C.tbd
index b2641e2d9e7a2..0ce4fb3d74ae0 100644
--- a/llvm/test/tools/llvm-tapi-
diff /Inputs/v4C.tbd
+++ b/llvm/test/tools/llvm-tapi-
diff /Inputs/v4C.tbd
@@ -47,3 +47,4 @@ undefineds:
     objc-ivars: []
     weak-symbols: []
     thread-local-symbols: []
+...

diff  --git a/llvm/test/tools/llvm-tapi-
diff /Inputs/v4D.tbd b/llvm/test/tools/llvm-tapi-
diff /Inputs/v4D.tbd
index 1338f62bddfc4..13b1416e1ce34 100644
--- a/llvm/test/tools/llvm-tapi-
diff /Inputs/v4D.tbd
+++ b/llvm/test/tools/llvm-tapi-
diff /Inputs/v4D.tbd
@@ -102,3 +102,4 @@ undefineds:
     objc-ivars: []
     weak-symbols: []
     thread-local-symbols: []
+...

diff  --git a/llvm/test/tools/llvm-tapi-
diff /Inputs/v4E.tbd b/llvm/test/tools/llvm-tapi-
diff /Inputs/v4E.tbd
index 1d34b2d44c260..b1b2d165ee123 100644
--- a/llvm/test/tools/llvm-tapi-
diff /Inputs/v4E.tbd
+++ b/llvm/test/tools/llvm-tapi-
diff /Inputs/v4E.tbd
@@ -53,3 +53,4 @@ exports:
     weak-symbols:    [ _symC ]
   - targets:         [ x86_64-ios-simulator ]
     symbols:         [ _symB ]
+...

diff  --git a/llvm/unittests/TextAPI/CMakeLists.txt b/llvm/unittests/TextAPI/CMakeLists.txt
index d575d57610b96..2cb5be6feb1ec 100644
--- a/llvm/unittests/TextAPI/CMakeLists.txt
+++ b/llvm/unittests/TextAPI/CMakeLists.txt
@@ -7,6 +7,7 @@ add_llvm_unittest(TextAPITests
   TextStubV2Tests.cpp
   TextStubV3Tests.cpp
   TextStubV4Tests.cpp
+  TextStubV5Tests.cpp
 )
 
 target_link_libraries(TextAPITests PRIVATE LLVMTestingSupport)

diff  --git a/llvm/unittests/TextAPI/TextStubHelpers.h b/llvm/unittests/TextAPI/TextStubHelpers.h
index 67bfa1aba2b70..c59252c7ed176 100644
--- a/llvm/unittests/TextAPI/TextStubHelpers.h
+++ b/llvm/unittests/TextAPI/TextStubHelpers.h
@@ -16,10 +16,11 @@
 
 namespace llvm {
 struct ExportedSymbol {
-  llvm::MachO::SymbolKind Kind;
-  std::string Name;
-  bool WeakDefined;
-  bool ThreadLocalValue;
+  MachO::SymbolKind Kind = MachO::SymbolKind::GlobalSymbol;
+  std::string Name = {};
+  bool Weak = false;
+  bool ThreadLocalValue = false;
+  MachO::TargetList Targets = {};
 };
 
 using ExportedSymbolSeq = std::vector<ExportedSymbol>;
@@ -32,8 +33,8 @@ inline bool operator<(const ExportedSymbol &LHS, const ExportedSymbol &RHS) {
 }
 
 inline bool operator==(const ExportedSymbol &LHS, const ExportedSymbol &RHS) {
-  return std::tie(LHS.Kind, LHS.Name, LHS.WeakDefined, LHS.ThreadLocalValue) ==
-         std::tie(RHS.Kind, RHS.Name, RHS.WeakDefined, RHS.ThreadLocalValue);
+  return std::tie(LHS.Kind, LHS.Name, LHS.Weak, LHS.ThreadLocalValue) ==
+         std::tie(RHS.Kind, RHS.Name, RHS.Weak, RHS.ThreadLocalValue);
 }
 
 inline std::string stripWhitespace(std::string S) {

diff  --git a/llvm/unittests/TextAPI/TextStubV4Tests.cpp b/llvm/unittests/TextAPI/TextStubV4Tests.cpp
index 570e853f35067..ac519500e54ca 100644
--- a/llvm/unittests/TextAPI/TextStubV4Tests.cpp
+++ b/llvm/unittests/TextAPI/TextStubV4Tests.cpp
@@ -903,7 +903,8 @@ TEST(TBDv4, MalformedFile2) {
                                             "tbd-version: 4\n"
                                             "targets: [ x86_64-macos ]\n"
                                             "install-name: Test.dylib\n"
-                                            "foobar: \"unsupported key\"\n";
+                                            "foobar: \"unsupported key\"\n"
+                                            "...\n";
 
   Expected<TBDFile> Result =
       TextAPIReader::get(MemoryBufferRef(TBDv4MalformedFile2, "Test.tbd"));

diff  --git a/llvm/unittests/TextAPI/TextStubV5Tests.cpp b/llvm/unittests/TextAPI/TextStubV5Tests.cpp
new file mode 100644
index 0000000000000..26f477a8b6686
--- /dev/null
+++ b/llvm/unittests/TextAPI/TextStubV5Tests.cpp
@@ -0,0 +1,488 @@
+//===-- TextStubV5Tests.cpp - TBD V5 File Test ----------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===-----------------------------------------------------------------------===/
+
+#include "TextStubHelpers.h"
+#include "llvm/TextAPI/InterfaceFile.h"
+#include "llvm/TextAPI/TextAPIReader.h"
+#include "llvm/TextAPI/TextAPIWriter.h"
+#include "gtest/gtest.h"
+#include <string>
+#include <vector>
+
+using namespace llvm;
+using namespace llvm::MachO;
+
+namespace TBDv5 {
+
+TEST(TBDv5, ReadFile) {
+  static const char TBDv5File[] = R"({
+"tapi_tbd_version": 5,
+"main_library": {
+  "target_info": [
+    {
+      "target": "x86_64-macos",
+      "min_deployment": "10.14"
+    },
+    {
+      "target": "arm64-macos",
+      "min_deployment": "10.14"
+    },
+    {
+      "target": "arm64-maccatalyst",
+      "min_deployment": "12.1"
+    }
+  ],
+  "flags": [
+    {
+      "targets": [
+            "x86_64-macos"
+        ],
+      "attributes": [
+            "flat_namespace"
+        ]
+    }
+  ],
+  "install_names": [
+    {
+        "name": "/S/L/F/Foo.framework/Foo"
+    }
+  ],
+  "current_versions": [
+    {
+        "version": "1.2"
+    }
+  ],
+  "compatibility_versions": [
+    { "version": "1.1" }
+  ],
+  "rpaths": [
+    {
+      "targets": [
+          "x86_64-macos"
+      ],
+      "paths": [
+          "@executable_path/.../Frameworks"
+      ]
+    }
+  ],
+  "parent_umbrellas": [
+    {
+      "umbrella": "System"
+    }
+  ],
+  "allowable_clients": [
+    {
+        "clients": [
+            "ClientA",
+            "ClientB"
+        ]
+    }
+  ],
+  "reexported_libraries": [
+    {
+        "names": [
+            "/u/l/l/libfoo.dylib",
+            "/u/l/l/libbar.dylib"
+        ]
+    }
+  ],
+  "exported_symbols": [
+    {
+        "targets": [
+            "x86_64-macos",
+            "arm64-macos"
+        ],
+        "data": {
+            "global": [
+                "_global"
+            ],
+            "objc_class": [
+                "ClassA"
+            ],
+            "weak": [],
+            "thread_local": []
+        },
+        "text": {
+            "global": [
+                "_func"
+            ],
+            "weak": [],
+            "thread_local": []
+        }
+    },
+    {
+      "targets": [
+          "x86_64-macos"
+      ],
+      "data": {
+          "global": [
+              "_globalVar"
+          ],
+          "objc_class": [
+              "ClassData"
+          ],
+          "objc_eh_type": [
+              "ClassA",
+              "ClassB"
+          ],
+          "objc_ivar": [
+              "ClassA.ivar1",
+              "ClassA.ivar2",
+              "ClassC.ivar1"
+          ]
+      },
+      "text": {
+          "global": [
+              "_funcFoo"
+          ]
+      }
+    }
+  ],
+  "reexported_symbols": [
+    {
+        "targets": [
+            "x86_64-macos",
+            "arm64-macos"
+        ],
+        "data": {
+            "global": [
+                "_globalRe"
+            ],
+            "objc_class": [
+                "ClassRexport"
+            ]
+        },
+        "text": {
+            "global": [
+                "_funcA"
+            ]
+        }
+    }
+  ],
+  "undefined_symbols": [
+    {
+        "targets": [
+            "x86_64-macos"
+        ],
+        "data": {
+            "global": [
+                "_globalBind"
+            ],
+            "weak": [
+                "referenced_sym"
+            ]
+        }
+    }
+  ]
+},
+"libraries": []
+})";
+
+  Expected<TBDFile> Result =
+      TextAPIReader::get(MemoryBufferRef(TBDv5File, "Test.tbd"));
+  EXPECT_TRUE(!!Result);
+  TBDFile File = std::move(Result.get());
+  EXPECT_EQ(FileType::TBD_V5, File->getFileType());
+  EXPECT_EQ(std::string("/S/L/F/Foo.framework/Foo"), File->getInstallName());
+
+  TargetList AllTargets = {
+      Target(AK_x86_64, PLATFORM_MACOS),
+      Target(AK_arm64, PLATFORM_MACOS),
+      Target(AK_arm64, PLATFORM_MACCATALYST),
+  };
+  EXPECT_EQ(mapToPlatformSet(AllTargets), File->getPlatforms());
+  EXPECT_EQ(mapToArchitectureSet(AllTargets), File->getArchitectures());
+
+  EXPECT_EQ(PackedVersion(1, 2, 0), File->getCurrentVersion());
+  EXPECT_EQ(PackedVersion(1, 1, 0), File->getCompatibilityVersion());
+  EXPECT_TRUE(File->isApplicationExtensionSafe());
+  EXPECT_FALSE(File->isTwoLevelNamespace());
+  EXPECT_EQ(0U, File->documents().size());
+
+  InterfaceFileRef ClientA("ClientA", AllTargets);
+  InterfaceFileRef ClientB("ClientB", AllTargets);
+  EXPECT_EQ(2U, File->allowableClients().size());
+  EXPECT_EQ(ClientA, File->allowableClients().at(0));
+  EXPECT_EQ(ClientB, File->allowableClients().at(1));
+
+  InterfaceFileRef ReexportA("/u/l/l/libbar.dylib", AllTargets);
+  InterfaceFileRef ReexportB("/u/l/l/libfoo.dylib", AllTargets);
+  EXPECT_EQ(2U, File->reexportedLibraries().size());
+  EXPECT_EQ(ReexportA, File->reexportedLibraries().at(0));
+  EXPECT_EQ(ReexportB, File->reexportedLibraries().at(1));
+
+  std::vector<std::pair<Target, std::string>> Umbrellas = {
+      {Target(AK_x86_64, PLATFORM_MACOS), "System"},
+      {Target(AK_arm64, PLATFORM_MACOS), "System"},
+      {Target(AK_arm64, PLATFORM_MACCATALYST), "System"}};
+  EXPECT_EQ(Umbrellas, File->umbrellas());
+
+  ExportedSymbolSeq Exports, Reexports, Undefineds;
+  for (const auto *Sym : File->symbols()) {
+    TargetList SymTargets{Sym->targets().begin(), Sym->targets().end()};
+    ExportedSymbol Temp =
+        ExportedSymbol{Sym->getKind(), std::string(Sym->getName()),
+                       Sym->isWeakDefined() || Sym->isWeakReferenced(),
+                       Sym->isThreadLocalValue(), SymTargets};
+    if (Sym->isUndefined())
+      Undefineds.emplace_back(std::move(Temp));
+    else
+      Sym->isReexported() ? Reexports.emplace_back(std::move(Temp))
+                          : Exports.emplace_back(std::move(Temp));
+  }
+  llvm::sort(Exports);
+  llvm::sort(Reexports);
+  llvm::sort(Undefineds);
+
+  TargetList MacOSTargets = {Target(AK_x86_64, PLATFORM_MACOS),
+                             Target(AK_arm64, PLATFORM_MACOS)};
+
+  std::vector<ExportedSymbol> ExpectedExportedSymbols = {
+      {SymbolKind::GlobalSymbol, "_func", false, false, MacOSTargets},
+      {SymbolKind::GlobalSymbol,
+       "_funcFoo",
+       false,
+       false,
+       {Target(AK_x86_64, PLATFORM_MACOS)}},
+      {SymbolKind::GlobalSymbol, "_global", false, false, MacOSTargets},
+      {SymbolKind::GlobalSymbol,
+       "_globalVar",
+       false,
+       false,
+       {Target(AK_x86_64, PLATFORM_MACOS)}},
+      {SymbolKind::ObjectiveCClass, "ClassA", false, false, MacOSTargets},
+      {SymbolKind::ObjectiveCClass,
+       "ClassData",
+       false,
+       false,
+       {Target(AK_x86_64, PLATFORM_MACOS)}},
+      {SymbolKind::ObjectiveCClassEHType,
+       "ClassA",
+       false,
+       false,
+       {Target(AK_x86_64, PLATFORM_MACOS)}},
+      {SymbolKind::ObjectiveCClassEHType,
+       "ClassB",
+       false,
+       false,
+       {Target(AK_x86_64, PLATFORM_MACOS)}},
+      {SymbolKind::ObjectiveCInstanceVariable,
+       "ClassA.ivar1",
+       false,
+       false,
+       {Target(AK_x86_64, PLATFORM_MACOS)}},
+      {SymbolKind::ObjectiveCInstanceVariable,
+       "ClassA.ivar2",
+       false,
+       false,
+       {Target(AK_x86_64, PLATFORM_MACOS)}},
+      {SymbolKind::ObjectiveCInstanceVariable,
+       "ClassC.ivar1",
+       false,
+       false,
+       {Target(AK_x86_64, PLATFORM_MACOS)}},
+  };
+  std::vector<ExportedSymbol> ExpectedReexportedSymbols = {
+      {SymbolKind::GlobalSymbol, "_funcA", false, false, MacOSTargets},
+      {SymbolKind::GlobalSymbol, "_globalRe", false, false, MacOSTargets},
+      {SymbolKind::ObjectiveCClass, "ClassRexport", false, false, MacOSTargets},
+  };
+
+  std::vector<ExportedSymbol> ExpectedUndefinedSymbols = {
+      {SymbolKind::GlobalSymbol,
+       "_globalBind",
+       false,
+       false,
+       {Target(AK_x86_64, PLATFORM_MACOS)}},
+      {SymbolKind::GlobalSymbol,
+       "referenced_sym",
+       true,
+       false,
+       {Target(AK_x86_64, PLATFORM_MACOS)}},
+  };
+
+  EXPECT_EQ(ExpectedExportedSymbols.size(), Exports.size());
+  EXPECT_EQ(ExpectedReexportedSymbols.size(), Reexports.size());
+  EXPECT_EQ(ExpectedUndefinedSymbols.size(), Undefineds.size());
+  EXPECT_TRUE(std::equal(Exports.begin(), Exports.end(),
+                         std::begin(ExpectedExportedSymbols)));
+  EXPECT_TRUE(std::equal(Reexports.begin(), Reexports.end(),
+                         std::begin(ExpectedReexportedSymbols)));
+  EXPECT_TRUE(std::equal(Undefineds.begin(), Undefineds.end(),
+                         std::begin(ExpectedUndefinedSymbols)));
+}
+
+TEST(TBDv5, ReadMultipleTargets) {
+  static const char TBDv5File[] = R"({ 
+"tapi_tbd_version": 5,
+"main_library":  {
+  "target_info": [
+      {
+          "target": "x86_64-macos",
+          "min_deployment": "10.14" 
+      },
+      {
+          "target": "arm64-macos",
+          "min_deployment": "10.14"
+      },
+      {
+          "target": "arm64-maccatalyst",
+          "min_deployment": "12.1"
+      }
+  ],
+  "install_names":[
+      { "name":"/usr/lib/libFoo.dylib" }
+  ],
+  "swift_abi":[ { "abi":8 } ],
+  "reexported_libraries": [
+      {
+          "targets": [ "x86_64-maccatalyst" ],
+          "names": [
+              "/u/l/l/libfoo.dylib",
+              "/u/l/l/libbar.dylib"
+          ]
+      },
+      {
+          "targets": [ "arm64-maccatalyst" ],
+          "names": [ "/u/l/l/libArmOnly.dylib" ]
+      }
+  ]
+}
+})";
+
+  Expected<TBDFile> Result =
+      TextAPIReader::get(MemoryBufferRef(TBDv5File, "Test.tbd"));
+  EXPECT_TRUE(!!Result);
+  TBDFile File = std::move(Result.get());
+  EXPECT_EQ(FileType::TBD_V5, File->getFileType());
+  EXPECT_EQ(std::string("/usr/lib/libFoo.dylib"), File->getInstallName());
+  EXPECT_TRUE(File->isApplicationExtensionSafe());
+  EXPECT_TRUE(File->isTwoLevelNamespace());
+  EXPECT_EQ(PackedVersion(1, 0, 0), File->getCurrentVersion());
+  EXPECT_EQ(PackedVersion(1, 0, 0), File->getCompatibilityVersion());
+  EXPECT_EQ(8U, File->getSwiftABIVersion());
+
+  TargetList AllTargets = {
+      Target(AK_x86_64, PLATFORM_MACOS),
+      Target(AK_arm64, PLATFORM_MACOS),
+      Target(AK_arm64, PLATFORM_MACCATALYST),
+  };
+  EXPECT_EQ(mapToPlatformSet(AllTargets), File->getPlatforms());
+  EXPECT_EQ(mapToArchitectureSet(AllTargets), File->getArchitectures());
+
+  InterfaceFileRef ReexportA("/u/l/l/libArmOnly.dylib",
+                             {Target(AK_arm64, PLATFORM_MACCATALYST)});
+  InterfaceFileRef ReexportB("/u/l/l/libbar.dylib",
+                             {Target(AK_x86_64, PLATFORM_MACCATALYST)});
+  InterfaceFileRef ReexportC("/u/l/l/libfoo.dylib",
+                             {Target(AK_x86_64, PLATFORM_MACCATALYST)});
+  EXPECT_EQ(3U, File->reexportedLibraries().size());
+  EXPECT_EQ(ReexportA, File->reexportedLibraries().at(0));
+  EXPECT_EQ(ReexportB, File->reexportedLibraries().at(1));
+  EXPECT_EQ(ReexportC, File->reexportedLibraries().at(2));
+}
+
+TEST(TBDv5, ReadMultipleDocuments) {
+  static const char TBDv5File[] = R"({ 
+"tapi_tbd_version": 5,
+"main_library": {
+  "target_info": [
+    {
+      "target": "armv7-ios",
+      "min_deployment": "11.0" 
+    }
+  ],
+  "install_names":[
+    { "name":"/S/L/F/Foo.framework/Foo" }
+  ],
+  "reexported_libraries": [
+    { "names": ["/u/l/l/libfoo.dylib"] }
+  ]
+},
+"libraries": [
+  {
+    "target_info": [
+      {
+        "target": "armv7-ios",
+        "min_deployment": "11.0" 
+      }
+    ],
+    "install_names":[
+      { "name":"/u/l/l/libfoo.dylib" }
+    ],
+    "flags":[ 
+      { "attributes": ["not_app_extension_safe"] }
+    ], 
+    "exported_symbols": [
+      {
+        "data": {
+          "thread_local": [ "_globalVar" ],
+          "objc_class": [ "ClassData" ], 
+          "objc_eh_type": [ "ClassA", "ClassB" ]
+        },
+        "text": {
+          "global": [ "_funcFoo" ]
+        }
+      }
+    ]
+  }
+]})";
+
+  Expected<TBDFile> Result =
+      TextAPIReader::get(MemoryBufferRef(TBDv5File, "Test.tbd"));
+  EXPECT_TRUE(!!Result);
+  TBDFile File = std::move(Result.get());
+  EXPECT_EQ(FileType::TBD_V5, File->getFileType());
+  EXPECT_EQ(std::string("/S/L/F/Foo.framework/Foo"), File->getInstallName());
+  EXPECT_TRUE(File->isTwoLevelNamespace());
+  EXPECT_TRUE(File->isApplicationExtensionSafe());
+
+  TargetList Targets(File->targets().begin(), File->targets().end());
+  Target iOSTarget(AK_armv7, PLATFORM_IOS);
+  EXPECT_EQ(TargetList{iOSTarget}, Targets);
+  std::vector<const Symbol *> Symbols(File->symbols().begin(),
+                                      File->symbols().end());
+  EXPECT_EQ(0U, Symbols.size());
+
+  InterfaceFileRef Reexport("/u/l/l/libfoo.dylib", {iOSTarget});
+  EXPECT_EQ(1U, File->reexportedLibraries().size());
+  EXPECT_EQ(Reexport, File->reexportedLibraries().at(0));
+
+  // Check inlined library.
+  EXPECT_EQ(1U, File->documents().size());
+  TBDReexportFile Document = File->documents().front();
+  Targets = {Document->targets().begin(), Document->targets().end()};
+  EXPECT_EQ(TargetList{iOSTarget}, Targets);
+  EXPECT_EQ(std::string("/u/l/l/libfoo.dylib"), Document->getInstallName());
+  EXPECT_EQ(0U, Document->getSwiftABIVersion());
+  EXPECT_TRUE(Document->isTwoLevelNamespace());
+  EXPECT_FALSE(Document->isApplicationExtensionSafe());
+
+  ExportedSymbolSeq Exports;
+  for (const auto *Sym : Document->symbols())
+    Exports.emplace_back(
+        ExportedSymbol{Sym->getKind(),
+                       std::string(Sym->getName()),
+                       Sym->isWeakDefined() || Sym->isWeakReferenced(),
+                       Sym->isThreadLocalValue(),
+                       {iOSTarget}});
+
+  ExportedSymbolSeq ExpectedExports = {
+      {SymbolKind::GlobalSymbol, "_globalVar", false, true, {iOSTarget}},
+      {SymbolKind::ObjectiveCClass, "ClassData", false, false, {iOSTarget}},
+      {SymbolKind::ObjectiveCClassEHType, "ClassB", false, false, {iOSTarget}},
+      {SymbolKind::ObjectiveCClassEHType, "ClassA", false, false, {iOSTarget}},
+      {SymbolKind::GlobalSymbol, "_funcFoo", false, false, {iOSTarget}},
+  };
+
+  EXPECT_EQ(ExpectedExports.size(), Exports.size());
+  EXPECT_TRUE(
+      std::equal(Exports.begin(), Exports.end(), std::begin(ExpectedExports)));
+}
+
+} // end namespace TBDv5


        


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