llvm-project/lldb/source/Utility/XcodeSDK.cpp

310 lines
8.3 KiB
C++

//===-- XcodeSDK.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
//
//===----------------------------------------------------------------------===//
#include "lldb/Utility/XcodeSDK.h"
#include "lldb/Utility/FileSpec.h"
#include "lldb/lldb-types.h"
#include "llvm/ADT/Triple.h"
#include <string>
using namespace lldb;
using namespace lldb_private;
static llvm::StringRef GetName(XcodeSDK::Type type) {
switch (type) {
case XcodeSDK::MacOSX:
return "MacOSX";
case XcodeSDK::iPhoneSimulator:
return "iPhoneSimulator";
case XcodeSDK::iPhoneOS:
return "iPhoneOS";
case XcodeSDK::AppleTVSimulator:
return "AppleTVSimulator";
case XcodeSDK::AppleTVOS:
return "AppleTVOS";
case XcodeSDK::WatchSimulator:
return "WatchSimulator";
case XcodeSDK::watchOS:
return "WatchOS";
case XcodeSDK::bridgeOS:
return "bridgeOS";
case XcodeSDK::Linux:
return "Linux";
case XcodeSDK::unknown:
return {};
}
llvm_unreachable("Unhandled sdk type!");
}
XcodeSDK::XcodeSDK(XcodeSDK::Info info) : m_name(GetName(info.type).str()) {
if (!m_name.empty()) {
if (!info.version.empty())
m_name += info.version.getAsString();
if (info.internal)
m_name += ".Internal";
m_name += ".sdk";
}
}
XcodeSDK &XcodeSDK::operator=(const XcodeSDK &other) {
m_name = other.m_name;
return *this;
}
bool XcodeSDK::operator==(const XcodeSDK &other) {
return m_name == other.m_name;
}
static XcodeSDK::Type ParseSDKName(llvm::StringRef &name) {
if (name.consume_front("MacOSX"))
return XcodeSDK::MacOSX;
if (name.consume_front("iPhoneSimulator"))
return XcodeSDK::iPhoneSimulator;
if (name.consume_front("iPhoneOS"))
return XcodeSDK::iPhoneOS;
if (name.consume_front("AppleTVSimulator"))
return XcodeSDK::AppleTVSimulator;
if (name.consume_front("AppleTVOS"))
return XcodeSDK::AppleTVOS;
if (name.consume_front("WatchSimulator"))
return XcodeSDK::WatchSimulator;
if (name.consume_front("WatchOS"))
return XcodeSDK::watchOS;
if (name.consume_front("bridgeOS"))
return XcodeSDK::bridgeOS;
if (name.consume_front("Linux"))
return XcodeSDK::Linux;
static_assert(XcodeSDK::Linux == XcodeSDK::numSDKTypes - 1,
"New SDK type was added, update this list!");
return XcodeSDK::unknown;
}
static llvm::VersionTuple ParseSDKVersion(llvm::StringRef &name) {
unsigned i = 0;
while (i < name.size() && name[i] >= '0' && name[i] <= '9')
++i;
if (i == name.size() || name[i++] != '.')
return {};
while (i < name.size() && name[i] >= '0' && name[i] <= '9')
++i;
if (i == name.size() || name[i++] != '.')
return {};
llvm::VersionTuple version;
version.tryParse(name.slice(0, i - 1));
name = name.drop_front(i);
return version;
}
static bool ParseAppleInternalSDK(llvm::StringRef &name) {
return name.consume_front("Internal.") || name.consume_front(".Internal.");
}
XcodeSDK::Info XcodeSDK::Parse() const {
XcodeSDK::Info info;
llvm::StringRef input(m_name);
info.type = ParseSDKName(input);
info.version = ParseSDKVersion(input);
info.internal = ParseAppleInternalSDK(input);
return info;
}
bool XcodeSDK::IsAppleInternalSDK() const {
llvm::StringRef input(m_name);
ParseSDKName(input);
ParseSDKVersion(input);
return ParseAppleInternalSDK(input);
}
llvm::VersionTuple XcodeSDK::GetVersion() const {
llvm::StringRef input(m_name);
ParseSDKName(input);
return ParseSDKVersion(input);
}
XcodeSDK::Type XcodeSDK::GetType() const {
llvm::StringRef input(m_name);
return ParseSDKName(input);
}
llvm::StringRef XcodeSDK::GetString() const { return m_name; }
bool XcodeSDK::Info::operator<(const Info &other) const {
return std::tie(type, version, internal) <
std::tie(other.type, other.version, other.internal);
}
bool XcodeSDK::Info::operator==(const Info &other) const {
return std::tie(type, version, internal) ==
std::tie(other.type, other.version, other.internal);
}
void XcodeSDK::Merge(const XcodeSDK &other) {
// The "bigger" SDK always wins.
auto l = Parse();
auto r = other.Parse();
if (l < r)
*this = other;
else {
// The Internal flag always wins.
if (llvm::StringRef(m_name).endswith(".sdk"))
if (!l.internal && r.internal)
m_name =
m_name.substr(0, m_name.size() - 3) + std::string("Internal.sdk");
}
}
std::string XcodeSDK::GetCanonicalName(XcodeSDK::Info info) {
std::string name;
switch (info.type) {
case MacOSX:
name = "macosx";
break;
case iPhoneSimulator:
name = "iphonesimulator";
break;
case iPhoneOS:
name = "iphoneos";
break;
case AppleTVSimulator:
name = "appletvsimulator";
break;
case AppleTVOS:
name = "appletvos";
break;
case WatchSimulator:
name = "watchsimulator";
break;
case watchOS:
name = "watchos";
break;
case bridgeOS:
name = "bridgeos";
break;
case Linux:
name = "linux";
break;
case unknown:
return {};
}
if (!info.version.empty())
name += info.version.getAsString();
if (info.internal)
name += ".internal";
return name;
}
bool XcodeSDK::SDKSupportsModules(XcodeSDK::Type sdk_type,
llvm::VersionTuple version) {
switch (sdk_type) {
case Type::MacOSX:
return version >= llvm::VersionTuple(10, 10);
case Type::iPhoneOS:
case Type::iPhoneSimulator:
case Type::AppleTVOS:
case Type::AppleTVSimulator:
return version >= llvm::VersionTuple(8);
case Type::watchOS:
case Type::WatchSimulator:
return version >= llvm::VersionTuple(6);
default:
return false;
}
return false;
}
bool XcodeSDK::SupportsSwift() const {
XcodeSDK::Info info = Parse();
switch (info.type) {
case Type::MacOSX:
return info.version.empty() || info.version >= llvm::VersionTuple(10, 10);
case Type::iPhoneOS:
case Type::iPhoneSimulator:
return info.version.empty() || info.version >= llvm::VersionTuple(8);
case Type::AppleTVSimulator:
case Type::AppleTVOS:
return info.version.empty() || info.version >= llvm::VersionTuple(9);
case Type::WatchSimulator:
case Type::watchOS:
return info.version.empty() || info.version >= llvm::VersionTuple(2);
case Type::Linux:
return true;
default:
return false;
}
}
bool XcodeSDK::SDKSupportsModules(XcodeSDK::Type desired_type,
const FileSpec &sdk_path) {
ConstString last_path_component = sdk_path.GetLastPathComponent();
if (!last_path_component)
return false;
XcodeSDK sdk(last_path_component.GetStringRef().str());
if (sdk.GetType() != desired_type)
return false;
return SDKSupportsModules(sdk.GetType(), sdk.GetVersion());
}
XcodeSDK::Type XcodeSDK::GetSDKTypeForTriple(const llvm::Triple &triple) {
using namespace llvm;
switch (triple.getOS()) {
case Triple::MacOSX:
case Triple::Darwin:
return XcodeSDK::MacOSX;
case Triple::IOS:
switch (triple.getEnvironment()) {
case Triple::MacABI:
return XcodeSDK::MacOSX;
case Triple::Simulator:
return XcodeSDK::iPhoneSimulator;
default:
return XcodeSDK::iPhoneOS;
}
case Triple::TvOS:
if (triple.getEnvironment() == Triple::Simulator)
return XcodeSDK::AppleTVSimulator;
return XcodeSDK::AppleTVOS;
case Triple::WatchOS:
if (triple.getEnvironment() == Triple::Simulator)
return XcodeSDK::WatchSimulator;
return XcodeSDK::watchOS;
case Triple::Linux:
return XcodeSDK::Linux;
default:
return XcodeSDK::unknown;
}
}
std::string XcodeSDK::FindXcodeContentsDirectoryInPath(llvm::StringRef path) {
auto begin = llvm::sys::path::begin(path);
auto end = llvm::sys::path::end(path);
// Iterate over the path components until we find something that ends with
// .app. If the next component is Contents then we've found the Contents
// directory.
for (auto it = begin; it != end; ++it) {
if (it->endswith(".app")) {
auto next = it;
if (++next != end && *next == "Contents") {
llvm::SmallString<128> buffer;
llvm::sys::path::append(buffer, begin, ++next,
llvm::sys::path::Style::posix);
return buffer.str().str();
}
}
}
return {};
}