1 files changed, 123 insertions, 0 deletions
diff --git a/llvm/lib/TextAPI/MachO/InterfaceFile.cpp b/llvm/lib/TextAPI/MachO/InterfaceFile.cpp
new file mode 100644
index 0000000000000..c40a952a6a8bd
--- /dev/null
+++ b/llvm/lib/TextAPI/MachO/InterfaceFile.cpp
@@ -0,0 +1,123 @@
+//===- InterfaceFile.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 the Interface File.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/TextAPI/MachO/InterfaceFile.h"
+#include <iomanip>
+#include <sstream>
+
+namespace llvm {
+namespace MachO {
+namespace detail {
+template <typename C>
+typename C::iterator addEntry(C &Container, StringRef InstallName) {
+  auto I = partition_point(Container, [=](const InterfaceFileRef &O) {
+    return O.getInstallName() < InstallName;
+  });
+  if (I != Container.end() && I->getInstallName() == InstallName)
+    return I;
+
+  return Container.emplace(I, InstallName);
+}
+
+template <typename C>
+typename C::iterator addEntry(C &Container, const Target &Target_) {
+  auto Iter =
+      lower_bound(Container, Target_, [](const Target &LHS, const Target &RHS) {
+        return LHS < RHS;
+      });
+  if ((Iter != std::end(Container)) && !(Target_ < *Iter))
+    return Iter;
+
+  return Container.insert(Iter, Target_);
+}
+} // end namespace detail.
+
+void InterfaceFileRef::addTarget(const Target &Target) {
+  detail::addEntry(Targets, Target);
+}
+
+void InterfaceFile::addAllowableClient(StringRef InstallName,
+                                       const Target &Target) {
+  auto Client = detail::addEntry(AllowableClients, InstallName);
+  Client->addTarget(Target);
+}
+
+void InterfaceFile::addReexportedLibrary(StringRef InstallName,
+                                         const Target &Target) {
+  auto Lib = detail::addEntry(ReexportedLibraries, InstallName);
+  Lib->addTarget(Target);
+}
+
+void InterfaceFile::addParentUmbrella(const Target &Target_, StringRef Parent) {
+  auto Iter = lower_bound(ParentUmbrellas, Target_,
+                          [](const std::pair<Target, std::string> &LHS,
+                             Target RHS) { return LHS.first < RHS; });
+
+  if ((Iter != ParentUmbrellas.end()) && !(Target_ < Iter->first)) {
+    Iter->second = Parent;
+    return;
+  }
+
+  ParentUmbrellas.emplace(Iter, Target_, Parent);
+  return;
+}
+
+void InterfaceFile::addUUID(const Target &Target_, StringRef UUID) {
+  auto Iter = lower_bound(UUIDs, Target_,
+                          [](const std::pair<Target, std::string> &LHS,
+                             Target RHS) { return LHS.first < RHS; });
+
+  if ((Iter != UUIDs.end()) && !(Target_ < Iter->first)) {
+    Iter->second = UUID;
+    return;
+  }
+
+  UUIDs.emplace(Iter, Target_, UUID);
+  return;
+}
+
+void InterfaceFile::addUUID(const Target &Target, uint8_t UUID[16]) {
+  std::stringstream Stream;
+  for (unsigned i = 0; i < 16; ++i) {
+    if (i == 4 || i == 6 || i == 8 || i == 10)
+      Stream << '-';
+    Stream << std::setfill('0') << std::setw(2) << std::uppercase << std::hex
+           << static_cast<int>(UUID[i]);
+  }
+  addUUID(Target, Stream.str());
+}
+
+void InterfaceFile::addTarget(const Target &Target) {
+  detail::addEntry(Targets, Target);
+}
+
+InterfaceFile::const_filtered_target_range
+InterfaceFile::targets(ArchitectureSet Archs) const {
+  std::function<bool(const Target &)> fn = [Archs](const Target &Target_) {
+    return Archs.has(Target_.Arch);
+  };
+  return make_filter_range(Targets, fn);
+}
+
+void InterfaceFile::addSymbol(SymbolKind Kind, StringRef Name,
+                              const TargetList &Targets, SymbolFlags Flags) {
+  Name = copyString(Name);
+  auto result = Symbols.try_emplace(SymbolsMapKey{Kind, Name}, nullptr);
+  if (result.second)
+    result.first->second = new (Allocator) Symbol{Kind, Name, Targets, Flags};
+  else
+    for (const auto &Target : Targets)
+      result.first->second->addTarget(Target);
+}
+
+} // end namespace MachO.
+} // end namespace llvm.