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//===--- TargetInfo.cpp - Target information printing --------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2021 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#include "swift/Basic/TargetInfo.h"
#include "swift/Basic/Version.h"
#include "swift/Basic/Platform.h"
#include "swift/Basic/StringExtras.h"
#include "swift/Frontend/Frontend.h"
#include "llvm/Support/raw_ostream.h"
using namespace swift;
/// Print information about a
static void printCompatibilityLibrary(
llvm::VersionTuple runtimeVersion, llvm::VersionTuple maxVersion,
StringRef filter, StringRef libraryName, bool forceLoad,
bool &printedAny, llvm::raw_ostream &out) {
if (runtimeVersion > maxVersion)
return;
if (printedAny) {
out << ",";
}
out << "\n";
out << " {";
out << "\n \"libraryName\": \"";
swift::writeEscaped(libraryName, out);
out << "\",";
out << "\n \"filter\": \"";
swift::writeEscaped(filter, out);
out << "\"";
if (!forceLoad) {
out << ",\n \"forceLoad\": false";
}
out << "\n }";
printedAny = true;
}
/// Print information about the selected target in JSON.
void targetinfo::printTargetInfo(const CompilerInvocation &invocation,
llvm::raw_ostream &out) {
out << "{\n";
// Compiler version, as produced by --version.
out << " \"compilerVersion\": \"";
writeEscaped(version::getSwiftFullVersion(version::Version::getCurrentLanguageVersion()), out);
out << "\",\n";
// Target triple and target variant triple.
auto runtimeVersion =
invocation.getIRGenOptions().AutolinkRuntimeCompatibilityLibraryVersion;
auto &langOpts = invocation.getLangOptions();
out << " \"target\": ";
printTripleInfo(langOpts.Target, runtimeVersion, out);
out << ",\n";
if (auto &variant = langOpts.TargetVariant) {
out << " \"targetVariant\": ";
printTripleInfo(*variant, runtimeVersion, out);
out << ",\n";
}
// Various paths.
auto &searchOpts = invocation.getSearchPathOptions();
out << " \"paths\": {\n";
if (!searchOpts.getSDKPath().empty()) {
out << " \"sdkPath\": \"";
writeEscaped(searchOpts.getSDKPath(), out);
out << "\",\n";
}
auto outputPaths = [&](StringRef name, const std::vector<std::string> &paths){
out << " \"" << name << "\": [\n";
llvm::interleave(paths, [&out](const std::string &path) {
out << " \"";
writeEscaped(path, out);
out << "\"";
}, [&out] {
out << ",\n";
});
out << "\n ],\n";
};
outputPaths("runtimeLibraryPaths", searchOpts.RuntimeLibraryPaths);
outputPaths("runtimeLibraryImportPaths",
searchOpts.getRuntimeLibraryImportPaths());
out << " \"runtimeResourcePath\": \"";
writeEscaped(searchOpts.RuntimeResourcePath, out);
out << "\"\n";
out << " }\n";
out << "}\n";
}
// Print information about the target triple in JSON.
void targetinfo::printTripleInfo(
const llvm::Triple &triple,
std::optional<llvm::VersionTuple> runtimeVersion, llvm::raw_ostream &out) {
out << "{\n";
out << " \"triple\": \"";
writeEscaped(triple.getTriple(), out);
out << "\",\n";
out << " \"unversionedTriple\": \"";
writeEscaped(getUnversionedTriple(triple).getTriple(), out);
out << "\",\n";
out << " \"moduleTriple\": \"";
writeEscaped(getTargetSpecificModuleTriple(triple).getTriple(), out);
out << "\",\n";
if (runtimeVersion) {
out << " \"swiftRuntimeCompatibilityVersion\": \"";
writeEscaped(runtimeVersion->getAsString(), out);
out << "\",\n";
// Compatibility libraries that need to be linked.
out << " \"compatibilityLibraries\": [";
bool printedAnyCompatibilityLibrary = false;
#define BACK_DEPLOYMENT_LIB(Version, Filter, LibraryName, ForceLoad) \
printCompatibilityLibrary( \
*runtimeVersion, llvm::VersionTuple Version, #Filter, LibraryName, \
ForceLoad, printedAnyCompatibilityLibrary, out);
#include "swift/Frontend/BackDeploymentLibs.def"
if (printedAnyCompatibilityLibrary) {
out << "\n ";
}
out << " ],\n";
} else {
out << " \"compatibilityLibraries\": [ ],\n";
}
out << " \"librariesRequireRPath\": "
<< (tripleRequiresRPathForSwiftLibrariesInOS(triple) ? "true" : "false")
<< "\n";
out << " }";
}
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