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//===--- TestContext.h - Helper for setting up ASTContexts ------*- C++ -*-===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 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/AST/ASTContext.h"
#include "swift/AST/DiagnosticEngine.h"
#include "swift/AST/Module.h"
#include "swift/AST/SourceFile.h"
#include "swift/Basic/LangOptions.h"
#include "swift/Basic/SourceManager.h"
#include "swift/SymbolGraphGen/SymbolGraphOptions.h"
#include "llvm/TargetParser/Host.h"
namespace swift {
namespace unittest {
/// Helper class used to set the LangOpts target before initializing the
/// ASTContext.
///
/// \see TestContext
class TestContextBase {
public:
LangOptions LangOpts;
TypeCheckerOptions TypeCheckerOpts;
SILOptions SILOpts;
SearchPathOptions SearchPathOpts;
ClangImporterOptions ClangImporterOpts;
symbolgraphgen::SymbolGraphOptions SymbolGraphOpts;
CASOptions CASOpts;
SourceManager SourceMgr;
DiagnosticEngine Diags;
TestContextBase() : Diags(SourceMgr) {
LangOpts.Target = llvm::Triple(llvm::sys::getProcessTriple());
}
};
enum ShouldDeclareOptionalTypes : bool {
DoNotDeclareOptionalTypes,
DeclareOptionalTypes
};
/// Owns an ASTContext and the associated types.
class TestContext : public TestContextBase {
SourceFile *FileForLookups;
public:
ASTContext &Ctx;
TestContext(ShouldDeclareOptionalTypes optionals = DoNotDeclareOptionalTypes);
template <typename Nominal>
typename std::enable_if<!std::is_same<Nominal, swift::ClassDecl>::value,
Nominal *>::type
makeNominal(StringRef name, GenericParamList *genericParams = nullptr) {
auto result = new (Ctx) Nominal(SourceLoc(), Ctx.getIdentifier(name),
SourceLoc(), /*inherited*/{},
genericParams, FileForLookups);
result->setAccess(AccessLevel::Internal);
return result;
}
template <typename Nominal>
typename std::enable_if<std::is_same<Nominal, swift::ClassDecl>::value,
swift::ClassDecl *>::type
makeNominal(StringRef name, GenericParamList *genericParams = nullptr) {
auto result = new (Ctx) ClassDecl(SourceLoc(), Ctx.getIdentifier(name),
SourceLoc(), /*inherited*/{},
genericParams, FileForLookups,
/*isActor*/false);
result->setAccess(AccessLevel::Internal);
return result;
}
};
} // end namespace unittest
} // end namespace swift
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