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63 lines
2.6 KiB
C++
63 lines
2.6 KiB
C++
//===--- TestContext.cpp - Helper for setting up ASTContexts --------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#include "TestContext.h"
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#include "swift/AST/Module.h"
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#include "swift/AST/ParseRequests.h"
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#include "swift/Strings.h"
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#include "swift/Subsystems.h"
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using namespace swift;
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using namespace swift::unittest;
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static Decl *createOptionalType(ASTContext &ctx, SourceFile *fileForLookups,
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Identifier name) {
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auto wrapped = new (ctx) GenericTypeParamDecl(fileForLookups,
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ctx.getIdentifier("Wrapped"),
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SourceLoc(), /*depth*/0,
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/*index*/0);
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auto params = GenericParamList::create(ctx, SourceLoc(), wrapped,
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SourceLoc());
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auto decl = new (ctx) EnumDecl(SourceLoc(), name, SourceLoc(),
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/*inherited*/{}, params, fileForLookups);
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wrapped->setDeclContext(decl);
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return decl;
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}
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TestContext::TestContext(ShouldDeclareOptionalTypes optionals)
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: Ctx(*ASTContext::get(LangOpts, TypeCheckerOpts, SearchPathOpts, SourceMgr,
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Diags)) {
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registerParseRequestFunctions(Ctx.evaluator);
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registerTypeCheckerRequestFunctions(Ctx.evaluator);
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auto stdlibID = Ctx.getIdentifier(STDLIB_NAME);
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auto *module = ModuleDecl::create(stdlibID, Ctx);
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Ctx.LoadedModules[stdlibID] = module;
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using ImplicitModuleImportKind = SourceFile::ImplicitModuleImportKind;
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FileForLookups = new (Ctx) SourceFile(*module, SourceFileKind::Library,
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/*buffer*/None,
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ImplicitModuleImportKind::None,
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/*keeps token*/false);
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module->addFile(*FileForLookups);
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if (optionals == DeclareOptionalTypes) {
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SmallVector<Decl *, 2> optionalTypes;
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optionalTypes.push_back(createOptionalType(
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Ctx, FileForLookups, Ctx.getIdentifier("Optional")));
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optionalTypes.push_back(createOptionalType(
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Ctx, FileForLookups, Ctx.getIdentifier("ImplicitlyUnwrappedOptional")));
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Ctx.evaluator.cacheOutput(ParseSourceFileRequest{FileForLookups},
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Ctx.AllocateCopy(optionalTypes));
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}
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}
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