mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
f5b1efb354
This way they can be used from other projects, like LLDB. The downside is we now have to make sure the header is included consistently in all the places we care about, but I think in practice that won't be a problem, especially not with tests. rdar://problem/22240127 Swift SVN r31173
111 lines
3.3 KiB
C++
111 lines
3.3 KiB
C++
//===--- LangOptions.cpp - Language & configuration options ---------------===//
|
|
//
|
|
// This source file is part of the Swift.org open source project
|
|
//
|
|
// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
|
|
// Licensed under Apache License v2.0 with Runtime Library Exception
|
|
//
|
|
// See http://swift.org/LICENSE.txt for license information
|
|
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines the LangOptions class, which provides various
|
|
// language and configuration flags.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "swift/Basic/LangOptions.h"
|
|
#include "swift/Basic/Range.h"
|
|
#include "swift/Config.h"
|
|
#include "llvm/ADT/SmallString.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
|
|
using namespace swift;
|
|
|
|
StringRef LangOptions::getTargetConfigOption(StringRef Name) const {
|
|
// Last one wins.
|
|
for (auto &Opt : reversed(TargetConfigOptions)) {
|
|
if (Opt.first == Name)
|
|
return Opt.second;
|
|
}
|
|
return StringRef();
|
|
}
|
|
|
|
bool LangOptions::hasBuildConfigOption(StringRef Name) const {
|
|
return std::find(BuildConfigOptions.begin(), BuildConfigOptions.end(), Name)
|
|
!= BuildConfigOptions.end();
|
|
}
|
|
|
|
std::pair<bool, bool> LangOptions::setTarget(llvm::Triple triple) {
|
|
clearAllTargetConfigOptions();
|
|
|
|
if (triple.getOS() == llvm::Triple::Darwin &&
|
|
triple.getVendor() == llvm::Triple::Apple) {
|
|
// Rewrite darwinX.Y triples to macosx10.X'.Y ones.
|
|
// It affects code generation on our platform.
|
|
llvm::SmallString<16> osxBuf;
|
|
llvm::raw_svector_ostream osx(osxBuf);
|
|
osx << llvm::Triple::getOSTypeName(llvm::Triple::MacOSX);
|
|
|
|
unsigned major, minor, micro;
|
|
triple.getMacOSXVersion(major, minor, micro);
|
|
osx << major << "." << minor;
|
|
if (micro != 0)
|
|
osx << "." << micro;
|
|
|
|
triple.setOSName(osx.str());
|
|
}
|
|
Target = std::move(triple);
|
|
|
|
bool UnsupportedOS = false;
|
|
|
|
// Set the "os" target configuration.
|
|
if (Target.isMacOSX())
|
|
addTargetConfigOption("os", "OSX");
|
|
#if defined(SWIFT_ENABLE_TARGET_TVOS)
|
|
else if (triple.isTvOS())
|
|
addTargetConfigOption("os", "tvOS");
|
|
#endif // SWIFT_ENABLE_TARGET_TVOS
|
|
else if (triple.isWatchOS())
|
|
addTargetConfigOption("os", "watchOS");
|
|
else if (triple.isiOS())
|
|
addTargetConfigOption("os", "iOS");
|
|
else if (triple.isOSLinux())
|
|
addTargetConfigOption("os", "Linux");
|
|
else {
|
|
UnsupportedOS = true;
|
|
}
|
|
|
|
bool UnsupportedArch = false;
|
|
|
|
// Set the "arch" target configuration.
|
|
switch (Target.getArch()) {
|
|
case llvm::Triple::ArchType::arm:
|
|
addTargetConfigOption("arch", "arm");
|
|
break;
|
|
case llvm::Triple::ArchType::aarch64:
|
|
addTargetConfigOption("arch", "arm64");
|
|
break;
|
|
case llvm::Triple::ArchType::x86:
|
|
addTargetConfigOption("arch", "i386");
|
|
break;
|
|
case llvm::Triple::ArchType::x86_64:
|
|
addTargetConfigOption("arch", "x86_64");
|
|
break;
|
|
default:
|
|
UnsupportedArch = true;
|
|
}
|
|
|
|
if (UnsupportedOS || UnsupportedArch)
|
|
return { UnsupportedOS, UnsupportedArch };
|
|
|
|
// Set the "runtime" target configuration.
|
|
if (EnableObjCInterop)
|
|
addTargetConfigOption("_runtime", "_ObjC");
|
|
else
|
|
addTargetConfigOption("_runtime", "_Native");
|
|
|
|
return { false, false };
|
|
}
|