mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
3453b136c3
Although actor initializers can be classified as convenience initializers by the internals of the compiler, they are not written that way in source and should not be printed with the `convenience` keyword. Resolves rdar://130926278.
7925 lines
253 KiB
C++
7925 lines
253 KiB
C++
//
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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 - 2020 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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//
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// This file implements printing for the Swift ASTs.
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//
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//===----------------------------------------------------------------------===//
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#include "swift/AST/ASTPrinter.h"
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#include "FeatureSet.h"
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#include "InlinableText.h"
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#include "swift/AST/ASTContext.h"
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#include "swift/AST/ASTMangler.h"
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#include "swift/AST/ASTVisitor.h"
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#include "swift/AST/Attr.h"
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#include "swift/AST/Builtins.h"
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#include "swift/AST/ClangModuleLoader.h"
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#include "swift/AST/Comment.h"
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#include "swift/AST/Decl.h"
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#include "swift/AST/Expr.h"
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#include "swift/AST/FileUnit.h"
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#include "swift/AST/GenericEnvironment.h"
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#include "swift/AST/GenericParamList.h"
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#include "swift/AST/GenericSignature.h"
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#include "swift/AST/MacroDefinition.h"
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#include "swift/AST/Module.h"
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#include "swift/AST/NameLookup.h"
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#include "swift/AST/NameLookupRequests.h"
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#include "swift/AST/ParameterList.h"
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#include "swift/AST/PrintOptions.h"
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#include "swift/AST/ProtocolConformance.h"
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#include "swift/AST/SILLayout.h"
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#include "swift/AST/Stmt.h"
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#include "swift/AST/TypeCheckRequests.h"
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#include "swift/AST/TypeVisitor.h"
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#include "swift/AST/TypeWalker.h"
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#include "swift/AST/Types.h"
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#include "swift/Basic/Assertions.h"
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#include "swift/Basic/Defer.h"
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#include "swift/Basic/Feature.h"
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#include "swift/Basic/PrimitiveParsing.h"
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#include "swift/Basic/QuotedString.h"
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#include "swift/Basic/STLExtras.h"
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#include "swift/Basic/StringExtras.h"
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#include "swift/Basic/Unicode.h"
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#include "swift/ClangImporter/ClangImporterRequests.h"
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#include "swift/Config.h"
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#include "swift/Parse/Lexer.h"
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#include "swift/Strings.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/AST/Attr.h"
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#include "clang/AST/Decl.h"
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#include "clang/AST/DeclObjC.h"
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#include "clang/Basic/Module.h"
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#include "clang/Basic/SourceManager.h"
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#include "clang/Lex/MacroInfo.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/Compiler.h"
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#include "llvm/Support/ConvertUTF.h"
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#include "llvm/Support/SaveAndRestore.h"
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#include "llvm/Support/raw_ostream.h"
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#include <algorithm>
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#include <queue>
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using namespace swift;
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#ifndef NDEBUG
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static llvm::cl::opt<bool> NumberSuppressionChecks(
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"swift-ast-printer-number-suppression-checks",
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llvm::cl::desc("Used to number suppression checks in swift interface files "
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"to make it easier to FileCheck them. Only available with "
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"asserts enabled and intended for compiler tests."),
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llvm::cl::init(false), llvm::cl::Hidden);
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#endif
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// Defined here to avoid repeatedly paying the price of template instantiation.
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const std::function<bool(const ExtensionDecl *)>
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PrintOptions::defaultPrintExtensionContentAsMembers
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= [] (const ExtensionDecl *) { return false; };
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void PrintOptions::setBaseType(Type T) {
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if (T->is<ErrorType>())
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return;
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if (auto DynamicSelf = T->getAs<DynamicSelfType>()) {
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// TypeTransformContext requires `T` to have members. Look through dynamic
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// Self.
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T = DynamicSelf->getSelfType();
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}
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TransformContext = TypeTransformContext(T);
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}
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void PrintOptions::initForSynthesizedExtension(TypeOrExtensionDecl D) {
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TransformContext = TypeTransformContext(D);
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}
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void PrintOptions::clearSynthesizedExtension() {
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TransformContext.reset();
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}
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static bool isPublicOrUsableFromInline(const ValueDecl *VD) {
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AccessScope scope =
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VD->getFormalAccessScope(/*useDC*/nullptr,
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/*treatUsableFromInlineAsPublic*/true);
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return scope.isPublic();
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}
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static bool isPublicOrUsableFromInline(Type ty) {
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// Note the double negative here: we're looking for any referenced decls that
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// are *not* public-or-usableFromInline.
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return !ty.findIf([](Type typePart) -> bool {
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// FIXME: If we have an internal typealias for a non-internal type, we ought
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// to be able to print it by desugaring.
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if (auto *aliasTy = dyn_cast<TypeAliasType>(typePart.getPointer()))
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return !isPublicOrUsableFromInline(aliasTy->getDecl());
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if (auto *nominal = typePart->getAnyNominal())
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return !isPublicOrUsableFromInline(nominal);
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return false;
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});
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}
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static bool isPackage(const ValueDecl *VD) {
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AccessScope scope =
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VD->getFormalAccessScope(/*useDC*/nullptr,
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/*treatUsableFromInlineAsPublic*/true);
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return scope.isPackage();
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}
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static bool isPackage(Type ty) {
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// \see isPublicOrUsableFromInline(Type ty)
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return !ty.findIf([](Type typePart) -> bool {
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if (auto *aliasTy = dyn_cast<TypeAliasType>(typePart.getPointer()))
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return !isPackage(aliasTy->getDecl());
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if (auto *nominal = typePart->getAnyNominal())
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return !isPackage(nominal);
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return false;
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});
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}
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static bool isPrespecilizationDeclWithTarget(const ValueDecl *vd) {
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// Add exported prespecialized symbols.
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for (auto *attr : vd->getAttrs().getAttributes<SpecializeAttr>()) {
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if (!attr->isExported())
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continue;
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if (auto *targetFun = attr->getTargetFunctionDecl(vd))
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return true;
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}
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return false;
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}
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static bool contributesToParentTypeStorage(const AbstractStorageDecl *ASD) {
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auto *DC = ASD->getDeclContext()->getAsDecl();
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if (!DC) return false;
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auto *ND = dyn_cast<NominalTypeDecl>(DC);
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if (!ND) return false;
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return !ND->isResilient() && ASD->hasStorage() && !ASD->isStatic();
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}
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static bool isInObjCImpl(const ValueDecl *VD) {
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auto *ED = dyn_cast<ExtensionDecl>(VD->getDeclContext());
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return ED && ED->isObjCImplementation();
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}
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/// Triggering type checking requests while printing is desirable in compiler
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/// modes in which type checking is lazy and the printed content is expected to
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/// be complete (for example, when printing a .swiftinterface). In other
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/// contexts, though, triggering type checking could cause re-entrancy and
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/// should be avoided.
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static bool shouldPrintAllSemanticDetails(const PrintOptions &options) {
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if (options.IsForSwiftInterface)
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return true;
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return false;
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}
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PrintOptions PrintOptions::printSwiftInterfaceFile(ModuleDecl *ModuleToPrint,
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bool preferTypeRepr,
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bool printFullConvention,
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InterfaceMode interfaceMode,
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bool useExportedModuleNames,
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bool aliasModuleNames,
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llvm::SmallSet<StringRef, 4>
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*aliasModuleNamesTargets
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) {
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PrintOptions result;
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result.IsForSwiftInterface = true;
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result.PrintLongAttrsOnSeparateLines = true;
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result.TypeDefinitions = true;
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result.PrintIfConfig = false;
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result.CurrentModule = ModuleToPrint;
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result.FullyQualifiedTypes = true;
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result.FullyQualifiedTypesIfAmbiguous = true;
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result.FullyQualifiedExtendedTypesIfAmbiguous = true;
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result.UseExportedModuleNames = useExportedModuleNames;
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result.AllowNullTypes = false;
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result.SkipImports = true;
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result.OmitNameOfInaccessibleProperties = true;
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result.FunctionDefinitions = true;
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result.CollapseSingleGetterProperty = false;
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result.VarInitializers = true;
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result.EnumRawValues = EnumRawValueMode::PrintObjCOnly;
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result.OpaqueReturnTypePrinting =
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OpaqueReturnTypePrintingMode::StableReference;
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result.PreferTypeRepr = preferTypeRepr;
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result.AliasModuleNames = aliasModuleNames;
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result.AliasModuleNamesTargets = aliasModuleNamesTargets;
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if (printFullConvention)
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result.PrintFunctionRepresentationAttrs =
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PrintOptions::FunctionRepresentationMode::Full;
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result.AlwaysTryPrintParameterLabels = true;
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result.InterfaceContentKind = interfaceMode;
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result.DesugarExistentialConstraint = true;
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// We should print __consuming, __owned, etc for the module interface file.
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result.SkipUnderscoredKeywords = false;
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// We should provide backward-compatible Swift interfaces when we can.
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result.PrintCompatibilityFeatureChecks = true;
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result.FunctionBody = [](const ValueDecl *decl, ASTPrinter &printer) {
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auto AFD = dyn_cast<AbstractFunctionDecl>(decl);
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if (!AFD)
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return;
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if (AFD->getResilienceExpansion() != ResilienceExpansion::Minimal)
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return;
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if (!AFD->hasInlinableBodyText())
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return;
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SmallString<128> scratch;
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printer << " " << AFD->getInlinableBodyText(scratch);
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};
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class ShouldPrintForModuleInterface : public ShouldPrintChecker {
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bool shouldPrint(const Decl *D, const PrintOptions &options) override {
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if (!D)
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return false;
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// Skip anything that is marked `@_implementationOnly` itself.
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if (D->getAttrs().hasAttribute<ImplementationOnlyAttr>())
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return false;
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// Skip SPI decls if `PrintSPIs`.
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if (options.printPublicInterface() && D->isSPI())
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return false;
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if (auto *VD = dyn_cast<ValueDecl>(D)) {
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// Skip anything that isn't 'public' or '@usableFromInline' or has a
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// _specialize attribute with a targetFunction parameter.
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if (!isPublicOrUsableFromInline(VD) &&
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!isPrespecilizationDeclWithTarget(VD)) {
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// We do want to print private stored properties, without their
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// original names present.
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if (auto *ASD = dyn_cast<AbstractStorageDecl>(VD))
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if (contributesToParentTypeStorage(ASD))
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return true;
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if (!options.printPackageInterface() || !isPackage(VD))
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return false;
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}
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// Skip member implementations and @objc overrides in @objcImpl
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// extensions.
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if (VD->isObjCMemberImplementation()
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|| (isInObjCImpl(VD) && VD->getOverriddenDecl() && VD->isObjC())) {
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return false;
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}
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}
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// Skip extensions that extend things we wouldn't print.
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if (auto *ED = dyn_cast<ExtensionDecl>(D)) {
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if (!shouldPrint(ED->getExtendedNominal(), options))
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return false;
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// Skip extensions to implementation-only imported types that have
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// no public members.
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auto localModule = ED->getParentModule();
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auto nominalModule = ED->getExtendedNominal()->getParentModule();
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if (localModule != nominalModule &&
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localModule->isImportedImplementationOnly(nominalModule)) {
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bool shouldPrintMembers = llvm::any_of(
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ED->getAllMembers(),
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[&](const Decl *member) -> bool {
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return shouldPrint(member, options);
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});
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if (!shouldPrintMembers)
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return false;
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}
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for (const Requirement &req : ED->getGenericRequirements()) {
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if (!isPublicOrUsableFromInline(req.getFirstType())) {
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if (!options.printPackageInterface() || !isPackage(req.getSecondType()))
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return false;
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}
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switch (req.getKind()) {
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case RequirementKind::Conformance:
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case RequirementKind::Superclass:
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case RequirementKind::SameType:
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if (!isPublicOrUsableFromInline(req.getSecondType())) {
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if (!options.printPackageInterface() || !isPackage(req.getSecondType()))
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return false;
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}
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break;
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case RequirementKind::SameShape:
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case RequirementKind::Layout:
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break;
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}
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}
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}
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// Skip typealiases that just redeclare generic parameters.
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if (auto *alias = dyn_cast<TypeAliasDecl>(D)) {
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if (alias->isImplicit()) {
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const Decl *parent =
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D->getDeclContext()->getAsDecl();
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if (auto *genericCtx = parent->getAsGenericContext()) {
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bool matchesGenericParam =
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llvm::any_of(genericCtx->getInnermostGenericParamTypes(),
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[alias](const GenericTypeParamType *param) {
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return param->getName() == alias->getName();
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});
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if (matchesGenericParam)
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return false;
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}
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}
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}
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// Skip stub constructors.
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if (auto *ctor = dyn_cast<ConstructorDecl>(D)) {
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if (ctor->hasStubImplementation())
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return false;
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}
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// Skip enum cases containing enum elements we wouldn't print.
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if (auto *ECD = dyn_cast<EnumCaseDecl>(D)) {
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if (auto *element = ECD->getFirstElement()) {
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// Enum elements are usually not printed, so we have to override the
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// print option controlling that.
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PrintOptions optionsCopy = options;
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optionsCopy.ExplodeEnumCaseDecls = true;
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if (!shouldPrint(element, optionsCopy))
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return false;
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}
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}
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if (auto *accessor = dyn_cast<AccessorDecl>(D)) {
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if (accessor->isInitAccessor() && !options.PrintForSIL)
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return false;
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}
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return ShouldPrintChecker::shouldPrint(D, options);
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}
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};
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result.CurrentPrintabilityChecker =
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std::make_shared<ShouldPrintForModuleInterface>();
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// FIXME: We don't really need 'public' on everything; we could just change
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// the default to 'public' and mark the 'internal' things.
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result.PrintAccess = true;
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result.ExcludeAttrList = {
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DeclAttrKind::AccessControl,
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DeclAttrKind::SetterAccess,
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DeclAttrKind::Lazy,
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DeclAttrKind::ObjCImplementation,
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DeclAttrKind::StaticInitializeObjCMetadata,
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DeclAttrKind::RestatedObjCConformance,
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DeclAttrKind::NonSendable,
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DeclAttrKind::AllowFeatureSuppression,
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};
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return result;
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}
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TypeTransformContext::TypeTransformContext(Type T)
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: BaseType(T.getPointer()) {
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assert(T->mayHaveMembers());
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}
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TypeTransformContext::TypeTransformContext(TypeOrExtensionDecl D)
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: BaseType(nullptr), Decl(D) {
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if (auto NTD = Decl.Decl.dyn_cast<NominalTypeDecl *>())
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BaseType = NTD->getDeclaredTypeInContext().getPointer();
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else {
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auto *ED = Decl.Decl.get<ExtensionDecl *>();
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BaseType = ED->getDeclaredTypeInContext().getPointer();
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}
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}
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TypeOrExtensionDecl TypeTransformContext::getDecl() const { return Decl; }
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DeclContext *TypeTransformContext::getDeclContext() const {
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return Decl.getAsDecl()->getDeclContext();
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}
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Type TypeTransformContext::getBaseType() const {
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return Type(BaseType);
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}
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bool TypeTransformContext::isPrintingSynthesizedExtension() const {
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return !Decl.isNull();
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}
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void ASTPrinter::anchor() {}
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void ASTPrinter::printIndent() {
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llvm::SmallString<16> Str;
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for (unsigned i = 0; i != CurrentIndentation; ++i)
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Str += ' ';
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printText(Str);
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}
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|
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void ASTPrinter::printTextImpl(StringRef Text) {
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forceNewlines();
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printText(Text);
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}
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void ASTPrinter::printEscapedStringLiteral(StringRef str) {
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SmallString<128> encodeBuf;
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StringRef escaped =
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Lexer::getEncodedStringSegment(str, encodeBuf,
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/*isFirstSegment*/true,
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/*isLastSegment*/true,
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/*indentToStrip*/~0U /* sentinel */);
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|
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// FIXME: This is wasteful, but ASTPrinter is an abstract class that doesn't
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// have a directly-accessible ostream.
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SmallString<128> escapeBuf;
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llvm::raw_svector_ostream os(escapeBuf);
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os << QuotedString(escaped);
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printTextImpl(escapeBuf.str());
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}
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|
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void ASTPrinter::printTypeRef(Type T, const TypeDecl *RefTo, Identifier Name,
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|
PrintNameContext Context) {
|
|
if (isa<GenericTypeParamDecl>(RefTo)) {
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Context = PrintNameContext::GenericParameter;
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} else if (T && T->is<DynamicSelfType>()) {
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assert(T->castTo<DynamicSelfType>()->getSelfType()->getAnyNominal() &&
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"protocol Self handled as GenericTypeParamDecl");
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Context = PrintNameContext::ClassDynamicSelf;
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}
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printName(Name, Context);
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}
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|
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void ASTPrinter::printModuleRef(ModuleEntity Mod, Identifier Name) {
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printName(Name);
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|
}
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|
|
void ASTPrinter::callPrintDeclPre(const Decl *D,
|
|
std::optional<BracketOptions> Bracket) {
|
|
forceNewlines();
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|
|
|
if (SynthesizeTarget && isa<ExtensionDecl>(D))
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|
printSynthesizedExtensionPre(cast<ExtensionDecl>(D), SynthesizeTarget, Bracket);
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else
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printDeclPre(D, Bracket);
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}
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|
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ASTPrinter &ASTPrinter::operator<<(QuotedString s) {
|
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llvm::SmallString<32> Str;
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llvm::raw_svector_ostream OS(Str);
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OS << s;
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printTextImpl(OS.str());
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return *this;
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}
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|
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ASTPrinter &ASTPrinter::operator<<(unsigned long long N) {
|
|
llvm::SmallString<32> Str;
|
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llvm::raw_svector_ostream OS(Str);
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|
OS << N;
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printTextImpl(OS.str());
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return *this;
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}
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|
|
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ASTPrinter &ASTPrinter::operator<<(UUID UU) {
|
|
llvm::SmallString<UUID::StringBufferSize> Str;
|
|
UU.toString(Str);
|
|
printTextImpl(Str);
|
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return *this;
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}
|
|
|
|
ASTPrinter &ASTPrinter::operator<<(Identifier name) {
|
|
return *this << DeclName(name);
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|
}
|
|
|
|
ASTPrinter &ASTPrinter::operator<<(DeclBaseName name) {
|
|
return *this << DeclName(name);
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|
}
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|
|
ASTPrinter &ASTPrinter::operator<<(DeclName name) {
|
|
llvm::SmallString<32> str;
|
|
llvm::raw_svector_ostream os(str);
|
|
name.print(os);
|
|
printTextImpl(os.str());
|
|
return *this;
|
|
}
|
|
|
|
ASTPrinter &ASTPrinter::operator<<(DeclNameRef ref) {
|
|
llvm::SmallString<32> str;
|
|
llvm::raw_svector_ostream os(str);
|
|
ref.print(os);
|
|
printTextImpl(os.str());
|
|
return *this;
|
|
}
|
|
|
|
llvm::raw_ostream &swift::
|
|
operator<<(llvm::raw_ostream &OS, tok keyword) {
|
|
switch (keyword) {
|
|
#define KEYWORD(KW) case tok::kw_##KW: OS << #KW; break;
|
|
#define POUND_KEYWORD(KW) case tok::pound_##KW: OS << "#"#KW; break;
|
|
#define PUNCTUATOR(PUN, TEXT) case tok::PUN: OS << TEXT; break;
|
|
#include "swift/AST/TokenKinds.def"
|
|
default:
|
|
llvm_unreachable("unexpected keyword or punctuator kind");
|
|
}
|
|
return OS;
|
|
}
|
|
|
|
uint8_t swift::getKeywordLen(tok keyword) {
|
|
switch (keyword) {
|
|
#define KEYWORD(KW) case tok::kw_##KW: return StringRef(#KW).size();
|
|
#define POUND_KEYWORD(KW) case tok::pound_##KW: return StringRef("#"#KW).size();
|
|
#define PUNCTUATOR(PUN, TEXT) case tok::PUN: return StringRef(TEXT).size();
|
|
#include "swift/AST/TokenKinds.def"
|
|
default:
|
|
llvm_unreachable("unexpected keyword or punctuator kind");
|
|
}
|
|
}
|
|
|
|
StringRef swift::getCodePlaceholder() { return "<#code#>"; }
|
|
|
|
ASTPrinter &operator<<(ASTPrinter &printer, tok keyword) {
|
|
SmallString<16> Buffer;
|
|
llvm::raw_svector_ostream OS(Buffer);
|
|
OS << keyword;
|
|
printer.printKeyword(Buffer.str(), PrintOptions());
|
|
return printer;
|
|
}
|
|
|
|
/// Determine whether to escape the given keyword in the given context.
|
|
bool swift::escapeKeywordInContext(
|
|
StringRef keyword,
|
|
PrintNameContext context
|
|
) {
|
|
bool isKeyword = llvm::StringSwitch<bool>(keyword)
|
|
#define KEYWORD(KW) \
|
|
.Case(#KW, true)
|
|
#include "swift/AST/TokenKinds.def"
|
|
.Default(false);
|
|
|
|
switch (context) {
|
|
case PrintNameContext::Normal:
|
|
case PrintNameContext::Attribute:
|
|
return isKeyword;
|
|
case PrintNameContext::Keyword:
|
|
case PrintNameContext::IntroducerKeyword:
|
|
return false;
|
|
|
|
case PrintNameContext::ClassDynamicSelf:
|
|
case PrintNameContext::GenericParameter:
|
|
return isKeyword && keyword != "Self";
|
|
|
|
case PrintNameContext::TypeMember:
|
|
return isKeyword || !canBeMemberName(keyword);
|
|
|
|
case PrintNameContext::FunctionParameterExternal:
|
|
case PrintNameContext::FunctionParameterLocal:
|
|
case PrintNameContext::TupleElement:
|
|
return !canBeArgumentLabel(keyword);
|
|
}
|
|
|
|
llvm_unreachable("Unhandled PrintNameContext in switch.");
|
|
}
|
|
|
|
void ASTPrinter::printName(Identifier Name, PrintNameContext Context) {
|
|
callPrintNamePre(Context);
|
|
|
|
if (Name.empty()) {
|
|
*this << "_";
|
|
printNamePost(Context);
|
|
return;
|
|
}
|
|
|
|
bool shouldEscapeKeyword = escapeKeywordInContext(Name.str(), Context);
|
|
|
|
if (shouldEscapeKeyword)
|
|
*this << "`";
|
|
*this << Name.str();
|
|
if (shouldEscapeKeyword)
|
|
*this << "`";
|
|
|
|
printNamePost(Context);
|
|
}
|
|
|
|
void StreamPrinter::printText(StringRef Text) {
|
|
OS << Text;
|
|
}
|
|
|
|
/// Whether we will be printing a TypeLoc by using the TypeRepr printer
|
|
static bool willUseTypeReprPrinting(TypeLoc tyLoc,
|
|
Type currentType,
|
|
const PrintOptions &options) {
|
|
// Special case for when transforming archetypes
|
|
if (currentType && tyLoc.getType())
|
|
return false;
|
|
|
|
return ((options.PreferTypeRepr && tyLoc.hasLocation()) ||
|
|
(tyLoc.getType().isNull() && tyLoc.getTypeRepr()));
|
|
}
|
|
|
|
namespace {
|
|
/// AST pretty-printer.
|
|
class PrintAST : public ASTVisitor<PrintAST> {
|
|
ASTPrinter &Printer;
|
|
PrintOptions Options;
|
|
unsigned IndentLevel = 0;
|
|
Decl *Current = nullptr;
|
|
Type CurrentType;
|
|
|
|
void setCurrentType(Type NewCurrentType) {
|
|
CurrentType = NewCurrentType;
|
|
assert(CurrentType.isNull() ||
|
|
!CurrentType->hasArchetype() &&
|
|
"CurrentType should be an interface type");
|
|
}
|
|
|
|
friend DeclVisitor<PrintAST>;
|
|
|
|
/// RAII object that increases the indentation level.
|
|
class IndentRAII {
|
|
PrintAST &Self;
|
|
bool DoIndent;
|
|
|
|
public:
|
|
IndentRAII(PrintAST &self, bool DoIndent = true)
|
|
: Self(self), DoIndent(DoIndent) {
|
|
if (DoIndent)
|
|
Self.IndentLevel += Self.Options.Indent;
|
|
}
|
|
|
|
~IndentRAII() {
|
|
if (DoIndent)
|
|
Self.IndentLevel -= Self.Options.Indent;
|
|
}
|
|
};
|
|
|
|
/// Indent the current number of indentation spaces.
|
|
void indent() {
|
|
Printer.setIndent(IndentLevel);
|
|
}
|
|
|
|
/// Record the location of this declaration, which is about to
|
|
/// be printed, marking the name and signature end locations.
|
|
template<typename FnTy>
|
|
void recordDeclLoc(Decl *decl, const FnTy &NameFn,
|
|
llvm::function_ref<void()> ParamFn = []{}) {
|
|
Printer.callPrintDeclLoc(decl);
|
|
NameFn();
|
|
Printer.printDeclNameEndLoc(decl);
|
|
ParamFn();
|
|
Printer.printDeclNameOrSignatureEndLoc(decl);
|
|
}
|
|
|
|
void printSourceRange(CharSourceRange Range, ASTContext &Ctx) {
|
|
Printer << Ctx.SourceMgr.extractText(Range);
|
|
}
|
|
|
|
static std::string sanitizeClangDocCommentStyle(StringRef Line) {
|
|
static StringRef ClangStart = "/*!";
|
|
static StringRef SwiftStart = "/**";
|
|
auto Pos = Line.find(ClangStart);
|
|
if (Pos == StringRef::npos)
|
|
return Line.str();
|
|
StringRef Segment[2];
|
|
// The text before "/*!"
|
|
Segment[0] = Line.substr(0, Pos);
|
|
// The text after "/*!"
|
|
Segment[1] = Line.substr(Pos).substr(ClangStart.size());
|
|
// Only sanitize when "/*!" appears at the start of this line.
|
|
if (Segment[0].trim().empty()) {
|
|
return (llvm::Twine(Segment[0]) + SwiftStart + Segment[1]).str();
|
|
}
|
|
return Line.str();
|
|
}
|
|
|
|
void printClangDocumentationComment(const clang::Decl *D) {
|
|
const auto &ClangContext = D->getASTContext();
|
|
const clang::RawComment *RC = ClangContext.getRawCommentForAnyRedecl(D);
|
|
if (!RC)
|
|
return;
|
|
|
|
bool Invalid;
|
|
unsigned StartLocCol =
|
|
ClangContext.getSourceManager().getSpellingColumnNumber(
|
|
RC->getBeginLoc(), &Invalid);
|
|
if (Invalid)
|
|
StartLocCol = 0;
|
|
|
|
unsigned WhitespaceToTrim = StartLocCol ? StartLocCol - 1 : 0;
|
|
|
|
SmallVector<StringRef, 8> Lines;
|
|
|
|
StringRef RawText =
|
|
RC->getRawText(ClangContext.getSourceManager()).rtrim("\n\r");
|
|
trimLeadingWhitespaceFromLines(RawText, WhitespaceToTrim, Lines);
|
|
indent();
|
|
bool FirstLine = true;
|
|
for (auto Line : Lines) {
|
|
if (FirstLine)
|
|
Printer << sanitizeClangDocCommentStyle(unicode::sanitizeUTF8(Line));
|
|
else
|
|
Printer << unicode::sanitizeUTF8(Line);
|
|
Printer.printNewline();
|
|
FirstLine = false;
|
|
}
|
|
}
|
|
|
|
void printRawComment(RawComment RC) {
|
|
indent();
|
|
|
|
SmallVector<StringRef, 8> Lines;
|
|
for (const auto &SRC : RC.Comments) {
|
|
Lines.clear();
|
|
|
|
StringRef RawText = SRC.RawText.rtrim("\n\r");
|
|
unsigned WhitespaceToTrim = SRC.ColumnIndent - 1;
|
|
trimLeadingWhitespaceFromLines(RawText, WhitespaceToTrim, Lines);
|
|
|
|
for (auto Line : Lines) {
|
|
Printer << Line;
|
|
Printer.printNewline();
|
|
}
|
|
}
|
|
}
|
|
|
|
void printSwiftDocumentationComment(const Decl *D) {
|
|
if (Options.CascadeDocComment)
|
|
D = getDocCommentProvidingDecl(D);
|
|
if (!D)
|
|
return;
|
|
auto RC = D->getRawComment();
|
|
if (RC.isEmpty())
|
|
return;
|
|
printRawComment(RC);
|
|
}
|
|
|
|
void printDocumentationComment(const Decl *D) {
|
|
if (!Options.PrintDocumentationComments)
|
|
return;
|
|
|
|
// Try to print a comment from Clang.
|
|
auto MaybeClangNode = D->getClangNode();
|
|
if (MaybeClangNode) {
|
|
if (auto *CD = MaybeClangNode.getAsDecl())
|
|
printClangDocumentationComment(CD);
|
|
return;
|
|
}
|
|
|
|
printSwiftDocumentationComment(D);
|
|
}
|
|
|
|
void printStaticKeyword(StaticSpellingKind StaticSpelling) {
|
|
switch (StaticSpelling) {
|
|
case StaticSpellingKind::None:
|
|
llvm_unreachable("should not be called for non-static decls");
|
|
case StaticSpellingKind::KeywordStatic:
|
|
Printer << tok::kw_static << " ";
|
|
break;
|
|
case StaticSpellingKind::KeywordClass:
|
|
Printer << tok::kw_class << " ";
|
|
break;
|
|
}
|
|
}
|
|
|
|
void printAccess(AccessLevel access, StringRef suffix = "") {
|
|
switch (access) {
|
|
case AccessLevel::Private:
|
|
Printer << tok::kw_private;
|
|
break;
|
|
case AccessLevel::FilePrivate:
|
|
Printer << tok::kw_fileprivate;
|
|
break;
|
|
case AccessLevel::Internal:
|
|
if (!Options.PrintInternalAccessKeyword)
|
|
return;
|
|
Printer << tok::kw_internal;
|
|
break;
|
|
case AccessLevel::Public:
|
|
Printer << tok::kw_public;
|
|
break;
|
|
case AccessLevel::Package:
|
|
Printer.printKeyword("package", Options);
|
|
break;
|
|
case AccessLevel::Open:
|
|
Printer.printKeyword("open", Options);
|
|
break;
|
|
}
|
|
Printer << suffix << " ";
|
|
}
|
|
|
|
void printAccess(const ValueDecl *D) {
|
|
assert(!llvm::is_contained(Options.ExcludeAttrList,
|
|
DeclAttrKind::AccessControl) ||
|
|
llvm::is_contained(Options.ExcludeAttrList,
|
|
DeclAttrKind::SetterAccess));
|
|
|
|
if (!Options.PrintAccess || isa<ProtocolDecl>(D->getDeclContext()))
|
|
return;
|
|
if (D->getAttrs().hasAttribute<AccessControlAttr>() &&
|
|
!llvm::is_contained(Options.ExcludeAttrList,
|
|
DeclAttrKind::AccessControl))
|
|
return;
|
|
if (D->getDeclContext()->isLocalContext())
|
|
return;
|
|
|
|
printAccess(D->getFormalAccess());
|
|
bool shouldSkipSetterAccess =
|
|
llvm::is_contained(Options.ExcludeAttrList, DeclAttrKind::SetterAccess);
|
|
|
|
if (auto storageDecl = dyn_cast<AbstractStorageDecl>(D)) {
|
|
if (auto setter = storageDecl->getAccessor(AccessorKind::Set)) {
|
|
AccessLevel setterAccess = setter->getFormalAccess();
|
|
if (setterAccess != D->getFormalAccess() && !shouldSkipSetterAccess)
|
|
printAccess(setterAccess, "(set)");
|
|
}
|
|
}
|
|
}
|
|
|
|
void printTypeWithOptions(Type T, const PrintOptions &options) {
|
|
if (options.TransformContext) {
|
|
// FIXME: it's not clear exactly what we want to keep from the existing
|
|
// options, and what we want to discard.
|
|
PrintOptions FreshOptions;
|
|
FreshOptions.ExcludeAttrList = options.ExcludeAttrList;
|
|
FreshOptions.ExclusiveAttrList = options.ExclusiveAttrList;
|
|
FreshOptions.PrintOptionalAsImplicitlyUnwrapped = options.PrintOptionalAsImplicitlyUnwrapped;
|
|
FreshOptions.TransformContext = options.TransformContext;
|
|
FreshOptions.CurrentModule = options.CurrentModule;
|
|
FreshOptions.FullyQualifiedTypesIfAmbiguous = options.FullyQualifiedTypesIfAmbiguous;
|
|
T.print(Printer, FreshOptions);
|
|
return;
|
|
}
|
|
|
|
T.print(Printer, options);
|
|
}
|
|
|
|
void printType(Type T) { printTypeWithOptions(T, Options); }
|
|
|
|
Type getTransformedType(Type T) {
|
|
if (CurrentType && Current && CurrentType->mayHaveMembers()) {
|
|
SubstitutionMap subMap;
|
|
|
|
if (auto *NTD = dyn_cast<NominalTypeDecl>(Current))
|
|
subMap = CurrentType->getContextSubstitutionMap(NTD);
|
|
else if (auto *ED = dyn_cast<ExtensionDecl>(Current))
|
|
subMap = CurrentType->getContextSubstitutionMap(ED);
|
|
else {
|
|
Decl *subTarget = Current;
|
|
if (isa<ParamDecl>(Current)) {
|
|
auto *DC = Current->getDeclContext();
|
|
if (auto *FD = dyn_cast<AbstractFunctionDecl>(DC))
|
|
subTarget = FD;
|
|
}
|
|
subMap = CurrentType->getMemberSubstitutionMap(
|
|
cast<ValueDecl>(subTarget));
|
|
}
|
|
|
|
T = T.subst(subMap, SubstFlags::DesugarMemberTypes);
|
|
}
|
|
|
|
return T;
|
|
}
|
|
|
|
void printTransformedTypeWithOptions(Type T, PrintOptions options) {
|
|
T = getTransformedType(T);
|
|
|
|
if (CurrentType && Current && CurrentType->mayHaveMembers())
|
|
options.TransformContext = TypeTransformContext(CurrentType);
|
|
|
|
printTypeWithOptions(T, options);
|
|
}
|
|
|
|
void printTransformedType(Type T) {
|
|
printTransformedTypeWithOptions(T, Options);
|
|
}
|
|
|
|
void printTypeLocWithOptions(const TypeLoc &TL, const PrintOptions &options,
|
|
std::optional<llvm::function_ref<void()>> printBeforeType = std::nullopt) {
|
|
if (CurrentType && TL.getType()) {
|
|
if (printBeforeType) (*printBeforeType)();
|
|
printTransformedTypeWithOptions(TL.getType(), options);
|
|
return;
|
|
}
|
|
|
|
// Print a TypeRepr if instructed to do so by options, or if the type
|
|
// is null.
|
|
if (willUseTypeReprPrinting(TL, CurrentType, options)) {
|
|
if (auto repr = TL.getTypeRepr())
|
|
repr->print(Printer, options);
|
|
return;
|
|
}
|
|
|
|
if (printBeforeType) (*printBeforeType)();
|
|
TL.getType().print(Printer, options);
|
|
}
|
|
|
|
void printTypeLoc(const TypeLoc &TL) { printTypeLocWithOptions(TL, Options); }
|
|
|
|
/// Print a TypeLoc. If we decide to print based on the type, rather than
|
|
/// based on the TypeRepr, call the given function before printing the type;
|
|
/// this is useful if there are attributes in the TypeRepr which don't end
|
|
/// up being part of the type, such as `@unchecked` in inheritance clauses.
|
|
void printTypeLoc(const TypeLoc &TL,
|
|
llvm::function_ref<void()> printBeforeType) {
|
|
printTypeLocWithOptions(TL, Options, printBeforeType);
|
|
}
|
|
|
|
void printTypeLocForImplicitlyUnwrappedOptional(TypeLoc TL, bool IUO) {
|
|
PrintOptions options = Options;
|
|
options.PrintOptionalAsImplicitlyUnwrapped = IUO;
|
|
printTypeLocWithOptions(TL, options);
|
|
}
|
|
|
|
void printContextIfNeeded(const Decl *decl) {
|
|
if (IndentLevel > 0)
|
|
return;
|
|
|
|
switch (Options.ShouldQualifyNestedDeclarations) {
|
|
case PrintOptions::QualifyNestedDeclarations::Never:
|
|
return;
|
|
case PrintOptions::QualifyNestedDeclarations::TypesOnly:
|
|
if (!isa<TypeDecl>(decl))
|
|
return;
|
|
break;
|
|
case PrintOptions::QualifyNestedDeclarations::Always:
|
|
break;
|
|
}
|
|
|
|
auto *container = dyn_cast<NominalTypeDecl>(decl->getDeclContext());
|
|
if (!container)
|
|
return;
|
|
printType(container->getDeclaredInterfaceType());
|
|
Printer << ".";
|
|
}
|
|
|
|
void printAttributes(const Decl *D);
|
|
void printTypedPattern(const TypedPattern *TP);
|
|
void printBraceStmt(const BraceStmt *stmt, bool newlineIfEmpty = true);
|
|
void printAccessorDecl(const AccessorDecl *decl);
|
|
void printKeyPathComponents(KeyPathExpr *expr, ArrayRef<KeyPathExpr::Component> components);
|
|
void printClosure(AbstractClosureExpr *closure, CaptureListExpr *captureList);
|
|
|
|
public:
|
|
void printPattern(const Pattern *pattern);
|
|
|
|
enum GenericSignatureFlags {
|
|
PrintParams = 1,
|
|
PrintRequirements = 2,
|
|
InnermostOnly = 4,
|
|
SwapSelfAndDependentMemberType = 8,
|
|
PrintInherited = 16,
|
|
PrintInverseRequirements = 32,
|
|
};
|
|
|
|
/// The default generic signature flags for printing requirements.
|
|
unsigned defaultGenericRequirementFlags() const {
|
|
return defaultGenericRequirementFlags(Options);
|
|
}
|
|
|
|
/// The default generic signature flags for printing requirements.
|
|
static unsigned
|
|
defaultGenericRequirementFlags(const PrintOptions &options) {
|
|
return PrintRequirements | PrintInverseRequirements;
|
|
}
|
|
|
|
void printInheritedFromRequirementSignature(ProtocolDecl *proto,
|
|
TypeDecl *attachingTo);
|
|
void printWhereClauseFromRequirementSignature(ProtocolDecl *proto,
|
|
TypeDecl *attachingTo);
|
|
void printInherited(const Decl *decl);
|
|
|
|
void printGenericSignature(GenericSignature genericSig,
|
|
unsigned flags);
|
|
void
|
|
printGenericSignature(GenericSignature genericSig,
|
|
unsigned flags,
|
|
llvm::function_ref<bool(const Requirement &)> filter,
|
|
InverseFilter inverseFilter);
|
|
void printSingleDepthOfGenericSignature(
|
|
ArrayRef<GenericTypeParamType *> genericParams,
|
|
ArrayRef<Requirement> requirements,
|
|
ArrayRef<InverseRequirement> inverses,
|
|
unsigned flags,
|
|
llvm::function_ref<bool(const Requirement &)> filter);
|
|
void printSingleDepthOfGenericSignature(
|
|
ArrayRef<GenericTypeParamType *> genericParams,
|
|
ArrayRef<Requirement> requirements,
|
|
ArrayRef<InverseRequirement> inverses,
|
|
bool &isFirstReq, unsigned flags,
|
|
llvm::function_ref<bool(const Requirement &)> filter);
|
|
void printRequirementSignature(ProtocolDecl *owner,
|
|
RequirementSignature sig,
|
|
unsigned flags,
|
|
TypeDecl *attachingTo);
|
|
void printRequirement(const Requirement &req);
|
|
void printRequirement(const InverseRequirement &inverse,
|
|
bool forInherited);
|
|
|
|
private:
|
|
bool shouldPrint(const Decl *D, bool Notify = false);
|
|
bool shouldPrintPattern(const Pattern *P);
|
|
void printPatternType(const Pattern *P);
|
|
void printAccessors(const AbstractStorageDecl *ASD);
|
|
void printSelfAccessKindModifiersIfNeeded(const FuncDecl *FD);
|
|
void printMembersOfDecl(Decl *NTD, bool needComma = false,
|
|
bool openBracket = true, bool closeBracket = true,
|
|
bool doIndent = true);
|
|
void printMembers(ArrayRef<Decl *> members, bool needComma = false,
|
|
bool openBracket = true, bool closeBracket = true,
|
|
bool doIndent = true);
|
|
void printGenericDeclGenericParams(GenericContext *decl);
|
|
void printDeclGenericRequirements(GenericContext *decl);
|
|
void printPrimaryAssociatedTypes(ProtocolDecl *decl);
|
|
void printBodyIfNecessary(const AbstractFunctionDecl *decl);
|
|
void printThrownErrorIfNecessary(const AbstractFunctionDecl *decl);
|
|
void printEnumElement(EnumElementDecl *elt);
|
|
|
|
/// \returns true if anything was printed.
|
|
bool printASTNodes(const ArrayRef<ASTNode> &Elements, bool NeedIndent = true);
|
|
|
|
void printOneParameter(const ParamDecl *param, ParameterTypeFlags paramFlags,
|
|
bool ArgNameIsAPIByDefault);
|
|
|
|
void printParameterList(ParameterList *PL,
|
|
ArrayRef<AnyFunctionType::Param> params,
|
|
bool isAPINameByDefault);
|
|
|
|
/// Print the function parameters in curried or selector style,
|
|
/// to match the original function declaration.
|
|
void printFunctionParameters(AbstractFunctionDecl *AFD);
|
|
|
|
void printArgument(const Argument &arg);
|
|
|
|
void printArgumentList(ArgumentList *args, bool forSubscript = false);
|
|
|
|
void printStmtCondition(StmtCondition stmt);
|
|
|
|
#define DECL(Name,Parent) void visit##Name##Decl(Name##Decl *decl);
|
|
#define ABSTRACT_DECL(Name, Parent)
|
|
#define DECL_RANGE(Name,Start,End)
|
|
#include "swift/AST/DeclNodes.def"
|
|
|
|
#define STMT(Name, Parent) void visit##Name##Stmt(Name##Stmt *stmt);
|
|
#include "swift/AST/StmtNodes.def"
|
|
|
|
#define EXPR(Name,Parent) void visit##Name##Expr(Name##Expr *expr);
|
|
#define ABSTRACT_EXPR(Name, Parent)
|
|
#define DECL_RANGE(Name,Start,End)
|
|
#include "swift/AST/ExprNodes.def"
|
|
|
|
void printSynthesizedExtension(Type ExtendedType, ExtensionDecl *ExtDecl);
|
|
void printSynthesizedExtensionImpl(Type ExtendedType, ExtensionDecl *ExtDecl);
|
|
|
|
void printExtension(ExtensionDecl* ExtDecl);
|
|
void printExtendedTypeName(TypeLoc ExtendedTypeLoc);
|
|
|
|
public:
|
|
PrintAST(ASTPrinter &Printer, const PrintOptions &Options)
|
|
: Printer(Printer), Options(Options) {
|
|
if (Options.TransformContext) {
|
|
Type CurrentType = Options.TransformContext->getBaseType();
|
|
if (CurrentType && CurrentType->hasArchetype()) {
|
|
// OpenedArchetypeTypes get replaced by a GenericTypeParamType without a
|
|
// name in mapTypeOutOfContext. The GenericTypeParamType has no children
|
|
// so we can't use it for TypeTransformContext.
|
|
// To work around this, replace the OpenedArchetypeType with the type of
|
|
// the protocol itself.
|
|
if (auto *Opened = CurrentType->getAs<OpenedArchetypeType>()) {
|
|
assert(Opened->isRoot());
|
|
CurrentType = Opened->getExistentialType();
|
|
}
|
|
CurrentType = CurrentType->mapTypeOutOfContext();
|
|
}
|
|
setCurrentType(CurrentType);
|
|
}
|
|
}
|
|
|
|
using ASTVisitor::visit;
|
|
|
|
bool visit(Expr *E) {
|
|
if (!Options.PrintExprs) {
|
|
return false;
|
|
}
|
|
ASTVisitor::visit(E);
|
|
return true;
|
|
}
|
|
|
|
bool visit(Decl *D) {
|
|
bool Synthesize =
|
|
Options.TransformContext &&
|
|
Options.TransformContext->isPrintingSynthesizedExtension() &&
|
|
isa<ExtensionDecl>(D);
|
|
|
|
if (!shouldPrint(D, true) && !Synthesize)
|
|
return false;
|
|
|
|
if (isa<MacroExpansionDecl>(D))
|
|
return true;
|
|
|
|
Decl *Old = Current;
|
|
Current = D;
|
|
SWIFT_DEFER { Current = Old; };
|
|
|
|
Type OldType = CurrentType;
|
|
if (CurrentType && (Old != nullptr || Options.PrintAsMember)) {
|
|
if (auto *NTD = dyn_cast<NominalTypeDecl>(D)) {
|
|
assert(Options.CurrentModule);
|
|
auto Subs = CurrentType->getContextSubstitutionMap(
|
|
NTD->getDeclContext());
|
|
setCurrentType(NTD->getDeclaredInterfaceType().subst(Subs));
|
|
}
|
|
}
|
|
|
|
SWIFT_DEFER { setCurrentType(OldType); };
|
|
|
|
if (Synthesize) {
|
|
Printer.setSynthesizedTarget(Options.TransformContext->getDecl());
|
|
}
|
|
|
|
Printer.callPrintDeclPre(D, Options.BracketOptions);
|
|
|
|
if (Options.PrintCompatibilityFeatureChecks) {
|
|
printWithCompatibilityFeatureChecks(Printer, Options, D,
|
|
[&] { ASTVisitor::visit(D); });
|
|
} else {
|
|
ASTVisitor::visit(D);
|
|
}
|
|
|
|
if (Synthesize) {
|
|
Printer.setSynthesizedTarget({});
|
|
Printer.printSynthesizedExtensionPost(cast<ExtensionDecl>(D),
|
|
Options.TransformContext->getDecl(),
|
|
Options.BracketOptions);
|
|
} else {
|
|
Printer.callPrintDeclPost(D, Options.BracketOptions);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
};
|
|
} // unnamed namespace
|
|
|
|
static StaticSpellingKind getCorrectStaticSpelling(const Decl *D) {
|
|
if (auto *ASD = dyn_cast<AbstractStorageDecl>(D)) {
|
|
return ASD->getCorrectStaticSpelling();
|
|
} else if (auto *PBD = dyn_cast<PatternBindingDecl>(D)) {
|
|
return PBD->getCorrectStaticSpelling();
|
|
} else if (auto *FD = dyn_cast<FuncDecl>(D)) {
|
|
return FD->getCorrectStaticSpelling();
|
|
} else {
|
|
return StaticSpellingKind::None;
|
|
}
|
|
}
|
|
|
|
static bool hasAsyncGetter(const AbstractStorageDecl *ASD) {
|
|
if (auto getter = ASD->getAccessor(AccessorKind::Get)) {
|
|
assert(!getter->getAttrs().hasAttribute<ReasyncAttr>());
|
|
return getter->hasAsync();
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static bool hasThrowsGetter(const AbstractStorageDecl *ASD) {
|
|
if (auto getter = ASD->getAccessor(AccessorKind::Get)) {
|
|
assert(!getter->getAttrs().hasAttribute<RethrowsAttr>());
|
|
return getter->hasThrows();
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static bool hasMutatingGetter(const AbstractStorageDecl *ASD) {
|
|
return ASD->getAccessor(AccessorKind::Get) && ASD->isGetterMutating();
|
|
}
|
|
|
|
static bool hasNonMutatingSetter(const AbstractStorageDecl *ASD) {
|
|
if (!ASD->isSettable(nullptr)) return false;
|
|
auto setter = ASD->getAccessor(AccessorKind::Set);
|
|
return setter && setter->isExplicitNonMutating();
|
|
}
|
|
|
|
static bool hasLessAccessibleSetter(const AbstractStorageDecl *ASD) {
|
|
return ASD->getSetterFormalAccess() < ASD->getFormalAccess();
|
|
}
|
|
|
|
void PrintAST::printAttributes(const Decl *D) {
|
|
if (Options.SkipAttributes)
|
|
return;
|
|
|
|
// Force semantic attrs to be computed if appropriate.
|
|
if (shouldPrintAllSemanticDetails(Options))
|
|
(void)D->getSemanticAttrs();
|
|
|
|
auto attrs = D->getAttrs();
|
|
|
|
// Save the current number of exclude attrs to restore once we're done.
|
|
unsigned originalExcludeAttrCount = Options.ExcludeAttrList.size();
|
|
|
|
if (Options.PrintImplicitAttrs) {
|
|
|
|
// Don't print a redundant 'final' if we are printing a 'static' decl.
|
|
if (D->getDeclContext()->getSelfClassDecl() &&
|
|
getCorrectStaticSpelling(D) == StaticSpellingKind::KeywordStatic) {
|
|
Options.ExcludeAttrList.push_back(DeclAttrKind::Final);
|
|
}
|
|
|
|
if (auto vd = dyn_cast<VarDecl>(D)) {
|
|
// Don't print @_hasInitialValue if we're printing an initializer
|
|
// expression, if the storage is resilient, or if it's in an
|
|
// @objcImplementation extension (where final properties should appear
|
|
// computed).
|
|
if (vd->isInitExposedToClients() || vd->isResilient() || isInObjCImpl(vd))
|
|
Options.ExcludeAttrList.push_back(DeclAttrKind::HasInitialValue);
|
|
|
|
if (!Options.PrintForSIL) {
|
|
// Don't print @_hasStorage if the value is simply stored, or the
|
|
// decl is resilient.
|
|
if (vd->isResilient() ||
|
|
(vd->getImplInfo().isSimpleStored() &&
|
|
!hasLessAccessibleSetter(vd)))
|
|
Options.ExcludeAttrList.push_back(DeclAttrKind::HasStorage);
|
|
}
|
|
}
|
|
|
|
// Add SPIs to both private and package interfaces
|
|
if (!Options.printPublicInterface() &&
|
|
DeclAttribute::canAttributeAppearOnDeclKind(
|
|
DeclAttrKind::SPIAccessControl, D->getKind())) {
|
|
interleave(D->getSPIGroups(),
|
|
[&](Identifier spiName) {
|
|
Printer.printAttrName("_spi", true);
|
|
Printer << "(" << spiName << ") ";
|
|
},
|
|
[&] { Printer << ""; });
|
|
Options.ExcludeAttrList.push_back(DeclAttrKind::SPIAccessControl);
|
|
}
|
|
|
|
// Don't print any contextual decl modifiers.
|
|
// We will handle 'mutating' and 'nonmutating' separately.
|
|
if (isa<AccessorDecl>(D)) {
|
|
#define EXCLUDE_ATTR(Class) \
|
|
Options.ExcludeAttrList.push_back(DeclAttrKind::Class);
|
|
#define CONTEXTUAL_DECL_ATTR(X, Class, Y, Z) EXCLUDE_ATTR(Class)
|
|
#define CONTEXTUAL_SIMPLE_DECL_ATTR(X, Class, Y, Z) EXCLUDE_ATTR(Class)
|
|
#define CONTEXTUAL_DECL_ATTR_ALIAS(X, Class) EXCLUDE_ATTR(Class)
|
|
#include "swift/AST/DeclAttr.def"
|
|
}
|
|
|
|
// If the declaration is implicitly @objc, print the attribute now.
|
|
if (auto VD = dyn_cast<ValueDecl>(D)) {
|
|
if (VD->isObjC() && !isa<EnumElementDecl>(VD) &&
|
|
!attrs.hasAttribute<ObjCAttr>()) {
|
|
Printer.printAttrName("@objc");
|
|
Printer << " ";
|
|
}
|
|
}
|
|
|
|
// If the declaration has designated inits that won't be visible to
|
|
// clients, or if it inherits superclass convenience initializers,
|
|
// then print those attributes specially.
|
|
if (auto CD = dyn_cast<ClassDecl>(D)) {
|
|
if (CD->inheritsSuperclassInitializers()) {
|
|
Printer.printAttrName("@_inheritsConvenienceInitializers");
|
|
Printer << " ";
|
|
}
|
|
if (CD->hasMissingDesignatedInitializers()) {
|
|
Printer.printAttrName("@_hasMissingDesignatedInitializers");
|
|
Printer << " ";
|
|
}
|
|
}
|
|
}
|
|
|
|
// If we are suppressing @implementation, also suppress @objc on extensions.
|
|
if (auto ED = dyn_cast<ExtensionDecl>(D)) {
|
|
if (ED->isObjCImplementation() &&
|
|
Options.excludeAttrKind(DeclAttrKind::ObjCImplementation)) {
|
|
Options.ExcludeAttrList.push_back(DeclAttrKind::ObjC);
|
|
}
|
|
}
|
|
|
|
// We will handle ownership specifiers separately.
|
|
if (isa<FuncDecl>(D)) {
|
|
Options.ExcludeAttrList.push_back(DeclAttrKind::Mutating);
|
|
Options.ExcludeAttrList.push_back(DeclAttrKind::NonMutating);
|
|
Options.ExcludeAttrList.push_back(DeclAttrKind::LegacyConsuming);
|
|
Options.ExcludeAttrList.push_back(DeclAttrKind::Consuming);
|
|
Options.ExcludeAttrList.push_back(DeclAttrKind::Borrowing);
|
|
}
|
|
|
|
attrs.print(Printer, Options, D);
|
|
|
|
Options.ExcludeAttrList.resize(originalExcludeAttrCount);
|
|
}
|
|
|
|
void PrintAST::printTypedPattern(const TypedPattern *TP) {
|
|
printPattern(TP->getSubPattern());
|
|
Printer << ": ";
|
|
|
|
// Make sure to check if the underlying var decl is an implicitly unwrapped
|
|
// optional.
|
|
bool isIUO = false;
|
|
if (auto *named = dyn_cast<NamedPattern>(TP->getSubPattern()))
|
|
if (auto decl = named->getDecl())
|
|
isIUO = decl->isImplicitlyUnwrappedOptional();
|
|
|
|
const auto TyLoc = TypeLoc(TP->getTypeRepr(),
|
|
TP->hasType() ? TP->getType() : Type());
|
|
printTypeLocForImplicitlyUnwrappedOptional(TyLoc, isIUO);
|
|
}
|
|
|
|
/// Determines if we are required to print the name of a property declaration,
|
|
/// or if we can elide it by printing a '_' instead.
|
|
static bool mustPrintPropertyName(VarDecl *decl, const PrintOptions &opts) {
|
|
// If we're not allowed to omit the name, we must print it.
|
|
if (!opts.OmitNameOfInaccessibleProperties) return true;
|
|
|
|
// If it contributes to the parent's storage, we must print it because clients
|
|
// need to be able to directly access the storage.
|
|
// FIXME: We might be able to avoid printing names for some of these
|
|
// if we serialized references to them using field indices.
|
|
if (contributesToParentTypeStorage(decl)) return true;
|
|
|
|
// Print a package decl if in print package mode (for .package.swiftinterface),
|
|
if (opts.printPackageInterface() && isPackage(decl))
|
|
return true;
|
|
|
|
// If it's public or @usableFromInline, we must print the name because it's a
|
|
// visible entry-point.
|
|
if (isPublicOrUsableFromInline(decl)) return true;
|
|
|
|
// If it has an initial value, we must print the name because it's used in
|
|
// the mangled name of the initializer expression generator function.
|
|
// FIXME: We _could_ figure out a way to generate an entry point
|
|
// for the initializer expression without revealing the name. We just
|
|
// don't have a mangling for it.
|
|
if (decl->hasInitialValue()) return true;
|
|
|
|
// If none of those are true, we can elide the name of the variable.
|
|
return false;
|
|
}
|
|
|
|
/// Gets the print name context of a given decl, choosing between TypeMember
|
|
/// and Normal, depending if this decl lives in a nominal type decl.
|
|
static PrintNameContext getTypeMemberPrintNameContext(const Decl *d) {
|
|
return d->getDeclContext()->isTypeContext() ?
|
|
PrintNameContext::TypeMember :
|
|
PrintNameContext::Normal;
|
|
}
|
|
|
|
void PrintAST::printPattern(const Pattern *pattern) {
|
|
switch (pattern->getKind()) {
|
|
case PatternKind::Any:
|
|
Printer << "_";
|
|
break;
|
|
|
|
case PatternKind::Named: {
|
|
auto named = cast<NamedPattern>(pattern);
|
|
auto decl = named->getDecl();
|
|
recordDeclLoc(decl, [&]{
|
|
// FIXME: This always returns true now, because of the FIXMEs listed in
|
|
// mustPrintPropertyName.
|
|
if (mustPrintPropertyName(decl, Options))
|
|
Printer.printName(named->getBoundName(),
|
|
getTypeMemberPrintNameContext(decl));
|
|
else
|
|
Printer << "_";
|
|
});
|
|
break;
|
|
}
|
|
|
|
case PatternKind::Paren:
|
|
Printer << "(";
|
|
printPattern(cast<ParenPattern>(pattern)->getSubPattern());
|
|
Printer << ")";
|
|
break;
|
|
|
|
case PatternKind::Tuple: {
|
|
Printer << "(";
|
|
auto TP = cast<TuplePattern>(pattern);
|
|
auto Fields = TP->getElements();
|
|
for (unsigned i = 0, e = Fields.size(); i != e; ++i) {
|
|
const auto &Elt = Fields[i];
|
|
if (i != 0)
|
|
Printer << ", ";
|
|
|
|
printPattern(Elt.getPattern());
|
|
}
|
|
Printer << ")";
|
|
break;
|
|
}
|
|
|
|
case PatternKind::Typed:
|
|
printTypedPattern(cast<TypedPattern>(pattern));
|
|
break;
|
|
|
|
case PatternKind::Is: {
|
|
auto isa = cast<IsPattern>(pattern);
|
|
Printer << tok::kw_is << " ";
|
|
isa->getCastType().print(Printer, Options);
|
|
break;
|
|
}
|
|
|
|
case PatternKind::EnumElement: {
|
|
auto elt = cast<EnumElementPattern>(pattern);
|
|
Printer << "." << elt->getElementDecl()->getBaseName();
|
|
if (elt->hasSubPattern())
|
|
printPattern(elt->getSubPattern());
|
|
break;
|
|
}
|
|
|
|
case PatternKind::OptionalSome:
|
|
printPattern(cast<OptionalSomePattern>(pattern)->getSubPattern());
|
|
Printer << '?';
|
|
break;
|
|
|
|
case PatternKind::Bool:
|
|
Printer << (cast<BoolPattern>(pattern)->getValue() ? tok::kw_true
|
|
: tok::kw_false);
|
|
break;
|
|
|
|
case PatternKind::Expr: {
|
|
auto expr = cast<ExprPattern>(pattern)->getSubExpr();
|
|
visit(expr);
|
|
break;
|
|
}
|
|
|
|
case PatternKind::Binding: {
|
|
auto bPattern = cast<BindingPattern>(pattern);
|
|
Printer.printIntroducerKeyword(
|
|
bPattern->getIntroducerStringRef(),
|
|
Options, " ");
|
|
printPattern(bPattern->getSubPattern());
|
|
}
|
|
}
|
|
}
|
|
|
|
/// If we can't find the depth of a type, return ErrorDepth.
|
|
static const unsigned ErrorDepth = ~0U;
|
|
/// A helper function to return the depth of a type.
|
|
static unsigned getDepthOfType(Type ty) {
|
|
unsigned depth = ErrorDepth;
|
|
|
|
auto combineDepth = [&depth](unsigned newDepth) -> bool {
|
|
// If there is no current depth (depth == ErrorDepth), then assign to
|
|
// newDepth; otherwise, choose the deeper of the current and new depth.
|
|
|
|
// Since ErrorDepth == ~0U, ErrorDepth + 1 == 0, which is smaller than any
|
|
// valid depth + 1.
|
|
depth = std::max(depth+1U, newDepth+1U) - 1U;
|
|
return false;
|
|
};
|
|
|
|
ty.findIf([combineDepth](Type t) -> bool {
|
|
if (auto paramTy = t->getAs<GenericTypeParamType>())
|
|
return combineDepth(paramTy->getDepth());
|
|
|
|
if (auto depMemTy = dyn_cast<DependentMemberType>(t->getCanonicalType())) {
|
|
CanType rootTy;
|
|
do {
|
|
rootTy = depMemTy.getBase();
|
|
} while ((depMemTy = dyn_cast<DependentMemberType>(rootTy)));
|
|
if (auto rootParamTy = dyn_cast<GenericTypeParamType>(rootTy))
|
|
return combineDepth(rootParamTy->getDepth());
|
|
}
|
|
|
|
return false;
|
|
});
|
|
|
|
return depth;
|
|
}
|
|
|
|
namespace {
|
|
struct RequirementPrintLocation {
|
|
/// The Decl where the requirement should be attached (whether inherited or in
|
|
/// a where clause)
|
|
Decl *AttachedTo;
|
|
/// Whether the requirement needs to be in a where clause.
|
|
bool InWhereClause;
|
|
};
|
|
} // end anonymous namespace
|
|
|
|
/// Heuristically work out a good place for \c req to be printed inside \c
|
|
/// proto.
|
|
///
|
|
/// This depends only on the protocol so that we make the same decisions for all
|
|
/// requirements in all associated types, guaranteeing that all of them will be
|
|
/// printed somewhere. That is, taking an AssociatedTypeDecl as an argument and
|
|
/// asking "should this requirement be printed on this ATD?" seems more likely
|
|
/// to result in inconsistencies in what is printed where, versus what this
|
|
/// function does: asking "where should this requirement be printed?" and then
|
|
/// callers check if the location is the ATD.
|
|
static RequirementPrintLocation
|
|
bestRequirementPrintLocation(ProtocolDecl *proto, const Requirement &req) {
|
|
auto protoSelf = proto->getSelfInterfaceType();
|
|
// Returns the most relevant decl within proto connected to outerType (or null
|
|
// if one doesn't exist), and whether the type is an "direct use",
|
|
// i.e. outerType itself is Self or Self.T, but not, say, Self.T.U, or
|
|
// Array<Self.T>. (The first's decl will be proto, while the other three will
|
|
// be Self.T.)
|
|
auto findRelevantDeclAndDirectUse = [&](Type outerType) {
|
|
TypeDecl *relevantDecl = nullptr;
|
|
Type foundType;
|
|
(void)outerType.findIf([&](Type t) {
|
|
if (t->isEqual(protoSelf)) {
|
|
relevantDecl = proto;
|
|
foundType = t;
|
|
return true;
|
|
} else if (auto DMT = t->getAs<DependentMemberType>()) {
|
|
auto assocType = DMT->getAssocType();
|
|
|
|
if (assocType && assocType->getProtocol() == proto) {
|
|
relevantDecl = assocType;
|
|
foundType = t;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// not here, so let's keep looking.
|
|
return false;
|
|
});
|
|
|
|
// If we didn't find anything, relevantDecl and foundType will be null, as
|
|
// desired.
|
|
auto directUse = foundType && outerType->isEqual(foundType);
|
|
|
|
return std::make_pair(relevantDecl, directUse);
|
|
};
|
|
|
|
Decl *bestDecl;
|
|
bool inWhereClause;
|
|
|
|
switch (req.getKind()) {
|
|
case RequirementKind::SameShape:
|
|
llvm_unreachable("Same-shape requirements not supported here");
|
|
case RequirementKind::Layout:
|
|
case RequirementKind::Conformance:
|
|
case RequirementKind::Superclass: {
|
|
auto subject = req.getFirstType();
|
|
auto result = findRelevantDeclAndDirectUse(subject);
|
|
|
|
bestDecl = result.first;
|
|
inWhereClause = !bestDecl || !result.second;
|
|
break;
|
|
}
|
|
case RequirementKind::SameType: {
|
|
auto lhs = req.getFirstType();
|
|
auto rhs = req.getSecondType();
|
|
|
|
auto lhsResult = findRelevantDeclAndDirectUse(lhs);
|
|
auto rhsResult = findRelevantDeclAndDirectUse(rhs);
|
|
|
|
// Default to using the left type's decl.
|
|
bestDecl = lhsResult.first;
|
|
|
|
// But maybe the right type's one is "obviously" better!
|
|
// e.g. Int == Self.T
|
|
auto lhsDoesntExist = !lhsResult.first;
|
|
// e.g. Self.T.U == Self.V should go on V (first two conditions), but
|
|
// Self.T.U == Self should go on T (third condition).
|
|
auto rhsBetterDirect =
|
|
!lhsResult.second && rhsResult.second && rhsResult.first != proto;
|
|
auto rhsOfSelfToAssoc = lhsResult.first == proto && rhsResult.first;
|
|
// e.g. Self == Self.T.U
|
|
if (lhsDoesntExist || rhsBetterDirect || rhsOfSelfToAssoc)
|
|
bestDecl = rhsResult.first;
|
|
|
|
// Same-type requirements can only occur in where clauses
|
|
inWhereClause = true;
|
|
break;
|
|
}
|
|
}
|
|
// Didn't find anything that we think is relevant, so let's default to a where
|
|
// clause on the protocol.
|
|
if (!bestDecl) {
|
|
bestDecl = proto;
|
|
inWhereClause = true;
|
|
}
|
|
|
|
return {/*AttachedTo=*/bestDecl, inWhereClause};
|
|
}
|
|
|
|
void PrintAST::printInheritedFromRequirementSignature(ProtocolDecl *proto,
|
|
TypeDecl *attachingTo) {
|
|
unsigned flags = PrintInherited;
|
|
|
|
// The invertible protocols themselves do not need to state inverses in their
|
|
// inheritance clause, because they do not gain any default requirements.
|
|
// HACK: also exclude Sendable from getting inverses printed.
|
|
if (!proto->getInvertibleProtocolKind() &&
|
|
!proto->isSpecificProtocol(KnownProtocolKind::Sendable))
|
|
flags |= PrintInverseRequirements;
|
|
|
|
printRequirementSignature(
|
|
proto, proto->getRequirementSignature(),
|
|
flags,
|
|
attachingTo);
|
|
}
|
|
|
|
void PrintAST::printWhereClauseFromRequirementSignature(ProtocolDecl *proto,
|
|
TypeDecl *attachingTo) {
|
|
unsigned flags = defaultGenericRequirementFlags();
|
|
if (isa<AssociatedTypeDecl>(attachingTo))
|
|
flags |= SwapSelfAndDependentMemberType;
|
|
printRequirementSignature(proto, proto->getRequirementSignature(), flags,
|
|
attachingTo);
|
|
}
|
|
|
|
/// A helper function to return the depth of a requirement.
|
|
static unsigned getDepthOfRequirement(const Requirement &req) {
|
|
switch (req.getKind()) {
|
|
case RequirementKind::Conformance:
|
|
case RequirementKind::Layout:
|
|
return getDepthOfType(req.getFirstType());
|
|
|
|
case RequirementKind::Superclass:
|
|
case RequirementKind::SameType:
|
|
case RequirementKind::SameShape: {
|
|
// Return the max valid depth of firstType and secondType.
|
|
unsigned firstDepth = getDepthOfType(req.getFirstType());
|
|
unsigned secondDepth = getDepthOfType(req.getSecondType());
|
|
|
|
unsigned maxDepth;
|
|
if (firstDepth == ErrorDepth && secondDepth != ErrorDepth)
|
|
maxDepth = secondDepth;
|
|
else if (firstDepth != ErrorDepth && secondDepth == ErrorDepth)
|
|
maxDepth = firstDepth;
|
|
else
|
|
maxDepth = std::max(firstDepth, secondDepth);
|
|
|
|
return maxDepth;
|
|
}
|
|
}
|
|
llvm_unreachable("bad RequirementKind");
|
|
}
|
|
|
|
void PrintAST::printGenericSignature(GenericSignature genericSig,
|
|
unsigned flags) {
|
|
ASSERT(!((flags & InnermostOnly) && (flags & PrintInverseRequirements))
|
|
&& "InnermostOnly + PrintInverseRequirements is not handled");
|
|
|
|
printGenericSignature(genericSig, flags,
|
|
// print everything
|
|
[&](const Requirement &) { return true; },
|
|
AllInverses());
|
|
}
|
|
|
|
InversesAtDepth::InversesAtDepth(GenericContext *level) {
|
|
includedDepth = std::nullopt;
|
|
// Does this generic context have its own generic parameters?
|
|
if (auto *list = level->getGenericParams()) {
|
|
includedDepth = list->getParams().back()->getDepth(); // use this depth.
|
|
}
|
|
}
|
|
bool InversesAtDepth::operator()(const InverseRequirement &inverse) const {
|
|
if (includedDepth) {
|
|
auto d = inverse.subject->castTo<GenericTypeParamType>()->getDepth();
|
|
return d == includedDepth.value();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void PrintAST::printGenericSignature(
|
|
GenericSignature genericSig,
|
|
unsigned flags,
|
|
llvm::function_ref<bool(const Requirement &)> filter,
|
|
InverseFilter inverseFilter) {
|
|
|
|
SmallVector<Requirement, 2> requirements;
|
|
SmallVector<InverseRequirement, 2> inverses;
|
|
|
|
if (flags & PrintInverseRequirements) {
|
|
genericSig->getRequirementsWithInverses(requirements, inverses);
|
|
llvm::erase_if(inverses, [&](InverseRequirement inverse) -> bool {
|
|
return !inverseFilter(inverse);
|
|
});
|
|
} else {
|
|
requirements.append(genericSig.getRequirements().begin(),
|
|
genericSig.getRequirements().end());
|
|
}
|
|
|
|
if (flags & InnermostOnly) {
|
|
auto genericParams = genericSig.getInnermostGenericParams();
|
|
|
|
printSingleDepthOfGenericSignature(genericParams, requirements, inverses,
|
|
flags, filter);
|
|
return;
|
|
}
|
|
|
|
auto genericParams = genericSig.getGenericParams();
|
|
|
|
if (!Options.PrintInSILBody) {
|
|
printSingleDepthOfGenericSignature(genericParams, requirements, inverses,
|
|
flags, filter);
|
|
return;
|
|
}
|
|
|
|
// In order to recover the nested GenericParamLists, we divide genericParams
|
|
// and requirements according to depth.
|
|
unsigned paramIdx = 0, numParam = genericParams.size();
|
|
while (paramIdx < numParam) {
|
|
unsigned depth = genericParams[paramIdx]->getDepth();
|
|
|
|
// Move index to genericParams.
|
|
unsigned lastParamIdx = paramIdx;
|
|
do {
|
|
++lastParamIdx;
|
|
} while (lastParamIdx < numParam &&
|
|
genericParams[lastParamIdx]->getDepth() == depth);
|
|
|
|
// Collect requirements and generic parameters for this level.
|
|
auto genericParamsAtDepth =
|
|
genericParams.slice(paramIdx, lastParamIdx - paramIdx);
|
|
|
|
SmallVector<InverseRequirement, 2> inversesAtDepth;
|
|
for (auto inverseReq : inverses) {
|
|
if (inverseReq.subject->castTo<GenericTypeParamType>()->getDepth() == depth)
|
|
inversesAtDepth.push_back(inverseReq);
|
|
}
|
|
|
|
SmallVector<Requirement, 2> requirementsAtDepth;
|
|
for (auto reqt : requirements) {
|
|
unsigned currentDepth = getDepthOfRequirement(reqt);
|
|
assert(currentDepth != ErrorDepth);
|
|
if (currentDepth == depth)
|
|
requirementsAtDepth.push_back(reqt);
|
|
}
|
|
|
|
printSingleDepthOfGenericSignature(
|
|
genericParamsAtDepth, requirementsAtDepth, inversesAtDepth,
|
|
flags, filter);
|
|
|
|
paramIdx = lastParamIdx;
|
|
}
|
|
}
|
|
|
|
void PrintAST::printSingleDepthOfGenericSignature(
|
|
ArrayRef<GenericTypeParamType *> genericParams,
|
|
ArrayRef<Requirement> requirements,
|
|
ArrayRef<InverseRequirement> inverses,
|
|
unsigned flags,
|
|
llvm::function_ref<bool(const Requirement &)> filter) {
|
|
bool isFirstReq = true;
|
|
printSingleDepthOfGenericSignature(genericParams, requirements, inverses,
|
|
isFirstReq, flags, filter);
|
|
}
|
|
|
|
void PrintAST::printSingleDepthOfGenericSignature(
|
|
ArrayRef<GenericTypeParamType *> genericParams,
|
|
ArrayRef<Requirement> requirements,
|
|
ArrayRef<InverseRequirement> inverses,
|
|
bool &isFirstReq, unsigned flags,
|
|
llvm::function_ref<bool(const Requirement &)> filter) {
|
|
bool printParams = (flags & PrintParams);
|
|
bool printRequirements = (flags & PrintRequirements);
|
|
printRequirements &= Options.PrintGenericRequirements;
|
|
bool printInherited = (flags & PrintInherited);
|
|
bool swapSelfAndDependentMemberType =
|
|
(flags & SwapSelfAndDependentMemberType);
|
|
|
|
unsigned typeContextDepth = 0;
|
|
SubstitutionMap subMap;
|
|
|
|
if (CurrentType && Current) {
|
|
if (!CurrentType->isExistentialType()) {
|
|
auto *DC = Current->getInnermostDeclContext()->getInnermostTypeContext();
|
|
subMap = CurrentType->getContextSubstitutionMap(DC);
|
|
typeContextDepth = subMap.getGenericSignature().getNextDepth();
|
|
}
|
|
}
|
|
|
|
auto substParam = [&](Type param) -> Type {
|
|
if (subMap.empty())
|
|
return param;
|
|
|
|
return param.subst(
|
|
[&](SubstitutableType *type) -> Type {
|
|
if (cast<GenericTypeParamType>(type)->getDepth() < typeContextDepth)
|
|
return Type(type).subst(subMap);
|
|
return type;
|
|
},
|
|
[&](CanType depType, Type substType, ProtocolDecl *proto) {
|
|
return ModuleDecl::lookupConformance(substType, proto);
|
|
});
|
|
};
|
|
|
|
/// Separate the explicit generic parameters from the implicit, opaque
|
|
/// generic parameters. We only print the former.
|
|
ArrayRef<GenericTypeParamType *> opaqueGenericParams;
|
|
for (unsigned index : indices(genericParams)) {
|
|
auto gpDecl = genericParams[index]->getDecl();
|
|
if (!gpDecl)
|
|
continue;
|
|
|
|
if (gpDecl->isOpaqueType() && gpDecl->isImplicit()) {
|
|
// We found the first implicit opaque type parameter. Split the
|
|
// generic parameters array at this position.
|
|
opaqueGenericParams = genericParams.slice(index);
|
|
genericParams = genericParams.slice(0, index);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Determines whether a given type is based on one of the opaque generic
|
|
// parameters.
|
|
auto dependsOnOpaque = [&](Type type) {
|
|
if (opaqueGenericParams.empty())
|
|
return false;
|
|
|
|
if (!type->isTypeParameter())
|
|
return false;
|
|
|
|
auto rootGP = type->getRootGenericParam();
|
|
for (auto opaqueGP : opaqueGenericParams) {
|
|
if (rootGP->isEqual(opaqueGP))
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
};
|
|
|
|
if (printParams && !genericParams.empty()) {
|
|
// Print the generic parameters.
|
|
Printer << "<";
|
|
llvm::interleave(
|
|
genericParams,
|
|
[&](GenericTypeParamType *param) {
|
|
if (!subMap.empty()) {
|
|
printType(substParam(param));
|
|
} else if (auto *GP = param->getDecl()) {
|
|
if (param->isParameterPack())
|
|
Printer << "each ";
|
|
Printer.callPrintStructurePre(PrintStructureKind::GenericParameter,
|
|
GP);
|
|
Printer.printName(GP->getName(),
|
|
PrintNameContext::GenericParameter);
|
|
Printer.printStructurePost(PrintStructureKind::GenericParameter,
|
|
GP);
|
|
} else {
|
|
printType(param);
|
|
}
|
|
},
|
|
[&] { Printer << ", "; });
|
|
}
|
|
|
|
if (printRequirements || printInherited) {
|
|
for (const auto &req : requirements) {
|
|
if (!filter(req))
|
|
continue;
|
|
|
|
auto first = req.getFirstType();
|
|
|
|
if (dependsOnOpaque(first))
|
|
continue;
|
|
|
|
Type second;
|
|
|
|
if (req.getKind() != RequirementKind::Layout) {
|
|
second = req.getSecondType();
|
|
if (dependsOnOpaque(second))
|
|
continue;
|
|
}
|
|
|
|
if (!subMap.empty()) {
|
|
Type subFirst = substParam(first);
|
|
if (!subFirst->hasError())
|
|
first = subFirst;
|
|
if (second) {
|
|
Type subSecond = substParam(second);
|
|
if (!subSecond->hasError())
|
|
second = subSecond;
|
|
if (!(first->is<ArchetypeType>() || first->isTypeParameter()) &&
|
|
!(second->is<ArchetypeType>() || second->isTypeParameter()))
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (isFirstReq) {
|
|
if (printRequirements)
|
|
Printer << " " << tok::kw_where << " ";
|
|
else
|
|
Printer << " : ";
|
|
|
|
isFirstReq = false;
|
|
} else {
|
|
Printer << ", ";
|
|
}
|
|
|
|
// Swap the order of Self == Self.A requirements if requested.
|
|
if (swapSelfAndDependentMemberType &&
|
|
req.getKind() == RequirementKind::SameType &&
|
|
first->is<GenericTypeParamType>() &&
|
|
second->is<DependentMemberType>())
|
|
std::swap(first, second);
|
|
|
|
if (printInherited) {
|
|
// We only print the second part of a requirement in the "inherited"
|
|
// clause.
|
|
switch (req.getKind()) {
|
|
case RequirementKind::SameShape:
|
|
llvm_unreachable("Same-shape requirement not supported here");
|
|
|
|
case RequirementKind::Layout:
|
|
req.getLayoutConstraint()->print(Printer, Options);
|
|
break;
|
|
|
|
case RequirementKind::Conformance:
|
|
case RequirementKind::Superclass:
|
|
printType(second);
|
|
break;
|
|
|
|
case RequirementKind::SameType:
|
|
llvm_unreachable("same-type constraints belong in the where clause");
|
|
break;
|
|
}
|
|
} else {
|
|
Printer.callPrintStructurePre(PrintStructureKind::GenericRequirement);
|
|
printRequirement(req);
|
|
Printer.printStructurePost(PrintStructureKind::GenericRequirement);
|
|
}
|
|
}
|
|
|
|
for (auto inverse : inverses) {
|
|
if (dependsOnOpaque(inverse.subject))
|
|
continue;
|
|
|
|
if (isFirstReq) {
|
|
if (printRequirements)
|
|
Printer << " " << tok::kw_where << " ";
|
|
else
|
|
Printer << " : ";
|
|
|
|
isFirstReq = false;
|
|
} else {
|
|
Printer << ", ";
|
|
}
|
|
|
|
printRequirement(inverse, printInherited);
|
|
}
|
|
}
|
|
|
|
if (printParams && !genericParams.empty())
|
|
Printer << ">";
|
|
}
|
|
|
|
void PrintAST::printRequirementSignature(ProtocolDecl *owner,
|
|
RequirementSignature sig,
|
|
unsigned flags,
|
|
TypeDecl *attachingTo) {
|
|
SmallVector<Requirement, 2> requirements;
|
|
SmallVector<InverseRequirement, 2> inverses;
|
|
|
|
if (flags & PrintInverseRequirements) {
|
|
sig.getRequirementsWithInverses(owner, requirements, inverses);
|
|
} else {
|
|
requirements.append(sig.getRequirements().begin(),
|
|
sig.getRequirements().end());
|
|
}
|
|
|
|
if (attachingTo) {
|
|
llvm::erase_if(requirements,
|
|
[&](Requirement req) {
|
|
// Skip the inferred 'Self : AnyObject' constraint if this is an
|
|
// @objc protocol.
|
|
if ((req.getKind() == RequirementKind::Layout) &&
|
|
req.getFirstType()->isEqual(owner->getSelfInterfaceType()) &&
|
|
req.getLayoutConstraint()->getKind() ==
|
|
LayoutConstraintKind::Class &&
|
|
owner->isObjC()) {
|
|
return true;
|
|
}
|
|
|
|
auto location = bestRequirementPrintLocation(owner, req);
|
|
if (location.AttachedTo != attachingTo)
|
|
return true;
|
|
|
|
if (flags & PrintRequirements)
|
|
return !location.InWhereClause;
|
|
|
|
return location.InWhereClause;
|
|
});
|
|
|
|
auto interfaceTy =
|
|
(isa<ProtocolDecl>(attachingTo)
|
|
? cast<ProtocolDecl>(attachingTo)->getSelfInterfaceType()
|
|
: cast<AssociatedTypeDecl>(attachingTo)->getDeclaredInterfaceType());
|
|
|
|
llvm::erase_if(inverses,
|
|
[&](InverseRequirement req) {
|
|
// We print inverse requirements in the inheritance clause only.
|
|
if (flags & PrintRequirements)
|
|
return true;
|
|
return !req.subject->isEqual(interfaceTy);
|
|
});
|
|
}
|
|
|
|
printSingleDepthOfGenericSignature(
|
|
owner->getGenericSignature().getGenericParams(), requirements, inverses,
|
|
flags, [&](Requirement) { return true; });
|
|
}
|
|
|
|
void PrintAST::printRequirement(const Requirement &req) {
|
|
SmallVector<Type, 2> rootParameterPacks;
|
|
getTransformedType(req.getFirstType())
|
|
->getTypeParameterPacks(rootParameterPacks);
|
|
bool isPackRequirement = !rootParameterPacks.empty();
|
|
|
|
switch (req.getKind()) {
|
|
case RequirementKind::SameShape:
|
|
Printer << "(repeat (";
|
|
printTransformedType(req.getFirstType());
|
|
Printer << ", ";
|
|
printTransformedType(req.getSecondType());
|
|
Printer << ")) : Any";
|
|
return;
|
|
case RequirementKind::Layout:
|
|
if (isPackRequirement)
|
|
Printer << "repeat ";
|
|
printTransformedType(req.getFirstType());
|
|
Printer << " : ";
|
|
req.getLayoutConstraint()->print(Printer, Options);
|
|
return;
|
|
case RequirementKind::Conformance:
|
|
case RequirementKind::Superclass:
|
|
if (isPackRequirement)
|
|
Printer << "repeat ";
|
|
printTransformedType(req.getFirstType());
|
|
Printer << " : ";
|
|
break;
|
|
case RequirementKind::SameType:
|
|
if (isPackRequirement)
|
|
Printer << "repeat ";
|
|
printTransformedType(req.getFirstType());
|
|
Printer << " == ";
|
|
break;
|
|
}
|
|
printTransformedType(req.getSecondType());
|
|
}
|
|
|
|
void PrintAST::printRequirement(const InverseRequirement &inverse,
|
|
bool forInherited) {
|
|
if (!forInherited) {
|
|
Printer.callPrintStructurePre(PrintStructureKind::GenericRequirement);
|
|
printTransformedType(inverse.subject);
|
|
Printer << " : ";
|
|
Printer.printStructurePost(PrintStructureKind::GenericRequirement);
|
|
}
|
|
|
|
Printer << "~";
|
|
Printer << getProtocolName(getKnownProtocolKind(inverse.getKind()));
|
|
}
|
|
|
|
bool PrintAST::shouldPrintPattern(const Pattern *P) {
|
|
return Options.shouldPrint(P);
|
|
}
|
|
|
|
void PrintAST::printPatternType(const Pattern *P) {
|
|
if (P->hasType()) {
|
|
Printer << ": ";
|
|
printType(P->getType());
|
|
}
|
|
}
|
|
|
|
bool ShouldPrintChecker::shouldPrint(const Pattern *P,
|
|
const PrintOptions &Options) {
|
|
bool ShouldPrint = false;
|
|
P->forEachVariable([&](const VarDecl *VD) {
|
|
ShouldPrint |= shouldPrint(VD, Options);
|
|
});
|
|
return ShouldPrint;
|
|
}
|
|
|
|
bool isNonSendableExtension(const Decl *D) {
|
|
ASTContext &ctx = D->getASTContext();
|
|
|
|
const ExtensionDecl *ED = dyn_cast<ExtensionDecl>(D);
|
|
if (!ED || !ED->getAttrs().isUnavailable(ctx))
|
|
return false;
|
|
|
|
auto nonSendable =
|
|
ED->getExtendedNominal()->getAttrs().getEffectiveSendableAttr();
|
|
if (!isa_and_nonnull<NonSendableAttr>(nonSendable))
|
|
return false;
|
|
|
|
// GetImplicitSendableRequest::evaluate() creates its extension with the
|
|
// attribute's AtLoc, so this is a good way to quickly check if the extension
|
|
// was synthesized for an '@_nonSendable' attribute.
|
|
return ED->getLocFromSource() == nonSendable->AtLoc;
|
|
}
|
|
|
|
bool ShouldPrintChecker::shouldPrint(const Decl *D,
|
|
const PrintOptions &Options) {
|
|
if (auto *ED = dyn_cast<ExtensionDecl>(D)) {
|
|
if (Options.printExtensionContentAsMembers(ED))
|
|
return false;
|
|
}
|
|
|
|
if (Options.SkipMissingMemberPlaceholders && isa<MissingMemberDecl>(D))
|
|
return false;
|
|
|
|
if (Options.SkipDeinit && isa<DestructorDecl>(D)) {
|
|
return false;
|
|
}
|
|
|
|
if (Options.SkipImports && isa<ImportDecl>(D)) {
|
|
return false;
|
|
}
|
|
|
|
// Optionally skip these checks for extensions synthesized for '@_nonSendable'
|
|
if (!Options.AlwaysPrintNonSendableExtensions || !isNonSendableExtension(D)) {
|
|
if (Options.SkipImplicit && D->isImplicit()) {
|
|
const auto &IgnoreList = Options.TreatAsExplicitDeclList;
|
|
if (!llvm::is_contained(IgnoreList, D))
|
|
return false;
|
|
}
|
|
|
|
if (Options.SkipUnavailable &&
|
|
D->getAttrs().isUnavailable(D->getASTContext()))
|
|
return false;
|
|
}
|
|
|
|
if (Options.ExplodeEnumCaseDecls) {
|
|
if (isa<EnumElementDecl>(D))
|
|
return true;
|
|
if (isa<EnumCaseDecl>(D))
|
|
return false;
|
|
} else if (auto *EED = dyn_cast<EnumElementDecl>(D)) {
|
|
// Enum elements are printed as part of the EnumCaseDecl, unless they were
|
|
// imported without source info.
|
|
return !EED->getSourceRange().isValid();
|
|
}
|
|
|
|
if (auto *ASD = dyn_cast<AbstractStorageDecl>(D)) {
|
|
if (Options.OmitNameOfInaccessibleProperties &&
|
|
contributesToParentTypeStorage(ASD))
|
|
return true;
|
|
}
|
|
|
|
// Skip declarations that are not accessible.
|
|
if (auto *VD = dyn_cast<ValueDecl>(D)) {
|
|
if (Options.AccessFilter > AccessLevel::Private &&
|
|
VD->getFormalAccess() < Options.AccessFilter)
|
|
return false;
|
|
}
|
|
|
|
// Skip clang decls marked with the swift_private attribute.
|
|
if (Options.SkipSwiftPrivateClangDecls) {
|
|
if (auto ClangD = D->getClangDecl()) {
|
|
if (ClangD->hasAttr<clang::SwiftPrivateAttr>())
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (Options.SkipPrivateStdlibDecls &&
|
|
D->isPrivateStdlibDecl(!Options.SkipUnderscoredStdlibProtocols))
|
|
return false;
|
|
|
|
auto &ctx = D->getASTContext();
|
|
if (Options.SkipUnsafeCXXMethods)
|
|
if (auto func = dyn_cast<FuncDecl>(D))
|
|
if (ctx.getClangModuleLoader()->isUnsafeCXXMethod(func))
|
|
return false;
|
|
|
|
if (Options.SkipEmptyExtensionDecls && isa<ExtensionDecl>(D)) {
|
|
auto Ext = cast<ExtensionDecl>(D);
|
|
// If the extension doesn't add protocols or has no members that we should
|
|
// print then skip printing it.
|
|
SmallVector<InheritedEntry, 8> ProtocolsToPrint;
|
|
getInheritedForPrinting(Ext, Options, ProtocolsToPrint);
|
|
if (ProtocolsToPrint.empty()) {
|
|
bool HasMemberToPrint = false;
|
|
for (auto Member : Ext->getAllMembers()) {
|
|
if (shouldPrint(Member, Options)) {
|
|
HasMemberToPrint = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!HasMemberToPrint)
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// If asked to skip overrides and witnesses, do so.
|
|
if (Options.SkipOverrides) {
|
|
if (auto *VD = dyn_cast<ValueDecl>(D)) {
|
|
if (VD->getOverriddenDecl()) return false;
|
|
if (!VD->getSatisfiedProtocolRequirements().empty()) return false;
|
|
|
|
if (auto clangDecl = VD->getClangDecl()) {
|
|
// If the Clang declaration is from a protocol but was mirrored into
|
|
// class or extension thereof, treat it as an override.
|
|
if (isa<clang::ObjCProtocolDecl>(clangDecl->getDeclContext()) &&
|
|
VD->getDeclContext()->getSelfClassDecl())
|
|
return false;
|
|
|
|
// Check whether Clang considers it an override.
|
|
if (auto objcMethod = dyn_cast<clang::ObjCMethodDecl>(clangDecl)) {
|
|
SmallVector<const clang::ObjCMethodDecl *, 4> overriddenMethods;
|
|
objcMethod->getOverriddenMethods(overriddenMethods);
|
|
if (!overriddenMethods.empty()) return false;
|
|
} else if (auto objcProperty
|
|
= dyn_cast<clang::ObjCPropertyDecl>(clangDecl)) {
|
|
if (auto getter = objcProperty->getGetterMethodDecl()) {
|
|
SmallVector<const clang::ObjCMethodDecl *, 4> overriddenMethods;
|
|
getter->getOverriddenMethods(overriddenMethods);
|
|
if (!overriddenMethods.empty()) return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// We need to handle PatternBindingDecl as a special case here because its
|
|
// attributes can only be retrieved from the inside VarDecls.
|
|
if (auto *PD = dyn_cast<PatternBindingDecl>(D)) {
|
|
auto ShouldPrint = false;
|
|
for (auto idx : range(PD->getNumPatternEntries())) {
|
|
ShouldPrint |= shouldPrint(PD->getPattern(idx), Options);
|
|
if (ShouldPrint)
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
if (isa<IfConfigDecl>(D)) {
|
|
return Options.PrintIfConfig;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool PrintAST::shouldPrint(const Decl *D, bool Notify) {
|
|
auto Result = Options.shouldPrint(D);
|
|
if (!Result && Notify)
|
|
Printer.callAvoidPrintDeclPost(D);
|
|
return Result;
|
|
}
|
|
|
|
void PrintAST::printBraceStmt(const BraceStmt *stmt, bool newlineIfEmpty) {
|
|
Printer << "{";
|
|
if (printASTNodes(stmt->getElements()) || newlineIfEmpty) {
|
|
Printer.printNewline();
|
|
indent();
|
|
}
|
|
Printer << "}";
|
|
}
|
|
|
|
void PrintAST::printBodyIfNecessary(const AbstractFunctionDecl *decl) {
|
|
if (auto BodyFunc = Options.FunctionBody) {
|
|
BodyFunc(decl, Printer);
|
|
indent();
|
|
return;
|
|
}
|
|
|
|
if (!Options.FunctionDefinitions || !decl->getBody())
|
|
return;
|
|
|
|
Printer << " ";
|
|
printBraceStmt(decl->getBody(), /*newlineIfEmpty*/!isa<AccessorDecl>(decl));
|
|
}
|
|
|
|
void PrintAST::printSelfAccessKindModifiersIfNeeded(const FuncDecl *FD) {
|
|
if (!Options.PrintSelfAccessKindKeyword)
|
|
return;
|
|
|
|
const auto *AD = dyn_cast<AccessorDecl>(FD);
|
|
|
|
switch (FD->getSelfAccessKind()) {
|
|
case SelfAccessKind::Mutating:
|
|
if ((!AD || AD->isAssumedNonMutating()) &&
|
|
!Options.excludeAttrKind(DeclAttrKind::Mutating))
|
|
Printer.printKeyword("mutating", Options, " ");
|
|
break;
|
|
case SelfAccessKind::NonMutating:
|
|
if (AD && AD->isExplicitNonMutating() &&
|
|
!Options.excludeAttrKind(DeclAttrKind::NonMutating))
|
|
Printer.printKeyword("nonmutating", Options, " ");
|
|
break;
|
|
case SelfAccessKind::LegacyConsuming:
|
|
if (!Options.excludeAttrKind(DeclAttrKind::LegacyConsuming))
|
|
Printer.printKeyword("__consuming", Options, " ");
|
|
break;
|
|
case SelfAccessKind::Consuming:
|
|
if (!Options.excludeAttrKind(DeclAttrKind::Consuming))
|
|
Printer.printKeyword("consuming", Options, " ");
|
|
break;
|
|
case SelfAccessKind::Borrowing:
|
|
if (!Options.excludeAttrKind(DeclAttrKind::Borrowing))
|
|
Printer.printKeyword("borrowing", Options, " ");
|
|
break;
|
|
}
|
|
}
|
|
|
|
void PrintAST::printAccessors(const AbstractStorageDecl *ASD) {
|
|
if (isa<VarDecl>(ASD) && !Options.PrintPropertyAccessors)
|
|
return;
|
|
if (isa<SubscriptDecl>(ASD) && !Options.PrintSubscriptAccessors)
|
|
return;
|
|
|
|
auto impl = ASD->getImplInfo();
|
|
|
|
// AbstractAccessors is suppressed by FunctionDefinitions.
|
|
bool PrintAbstract =
|
|
Options.AbstractAccessors && !Options.FunctionDefinitions;
|
|
|
|
// Don't print accessors for trivially stored properties...
|
|
if (impl.isSimpleStored()) {
|
|
// ...unless we're printing for SIL, which expects a { get set? } on
|
|
// trivial properties, or in an @objcImpl extension, which treats
|
|
// final stored properties as computed.
|
|
if (Options.PrintForSIL || isInObjCImpl(ASD)) {
|
|
Printer << " { get " << (impl.supportsMutation() ? "set }" : "}");
|
|
}
|
|
// ...or you're private/internal(set), at which point we'll print
|
|
// @_hasStorage var x: T { get }
|
|
else if (ASD->isSettable(nullptr) && hasLessAccessibleSetter(ASD)) {
|
|
if (PrintAbstract) {
|
|
Printer << " { get }";
|
|
} else {
|
|
Printer << " {";
|
|
{
|
|
IndentRAII indentMore(*this);
|
|
indent();
|
|
Printer.printNewline();
|
|
Printer << "get";
|
|
}
|
|
indent();
|
|
Printer.printNewline();
|
|
Printer << "}";
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
// prints with a space prefixed
|
|
auto printWithSpace = [&](StringRef word) {
|
|
Printer << " ";
|
|
Printer.printKeyword(word, Options);
|
|
};
|
|
|
|
const bool asyncGet = hasAsyncGetter(ASD);
|
|
const bool throwsGet = hasThrowsGetter(ASD);
|
|
|
|
// We sometimes want to print the accessors abstractly
|
|
// instead of listing out how they're actually implemented.
|
|
bool inProtocol = isa<ProtocolDecl>(ASD->getDeclContext());
|
|
if ((inProtocol && !Options.PrintAccessorBodiesInProtocols) ||
|
|
PrintAbstract) {
|
|
bool settable = ASD->isSettable(nullptr);
|
|
bool mutatingGetter = hasMutatingGetter(ASD);
|
|
bool nonmutatingSetter = hasNonMutatingSetter(ASD);
|
|
|
|
// We're about to print something like this:
|
|
// { mutating? get async? throws? (nonmutating? set)? }
|
|
// But don't print "{ get set }" if we don't have to.
|
|
if (!inProtocol && !Options.PrintGetSetOnRWProperties &&
|
|
settable && !mutatingGetter && !nonmutatingSetter
|
|
&& !asyncGet && !throwsGet) {
|
|
return;
|
|
}
|
|
|
|
Printer << " {";
|
|
if (mutatingGetter) printWithSpace("mutating");
|
|
|
|
printWithSpace("get");
|
|
|
|
if (asyncGet) printWithSpace("async");
|
|
|
|
if (throwsGet) {
|
|
printWithSpace("throws");
|
|
printThrownErrorIfNecessary(ASD->getAccessor(AccessorKind::Get));
|
|
}
|
|
|
|
if (settable) {
|
|
if (nonmutatingSetter) printWithSpace("nonmutating");
|
|
|
|
printWithSpace("set");
|
|
}
|
|
Printer << " }";
|
|
return;
|
|
}
|
|
|
|
// Should we print the 'modify' accessor?
|
|
auto shouldHideModifyAccessor = [&] {
|
|
if (impl.getReadWriteImpl() != ReadWriteImplKind::Modify)
|
|
return true;
|
|
// Always hide in a protocol.
|
|
return isa<ProtocolDecl>(ASD->getDeclContext());
|
|
};
|
|
|
|
auto isGetSetImpl = [&] {
|
|
return ((impl.getReadImpl() == ReadImplKind::Stored ||
|
|
impl.getReadImpl() == ReadImplKind::Get) &&
|
|
(impl.getWriteImpl() == WriteImplKind::Stored ||
|
|
impl.getWriteImpl() == WriteImplKind::Set) &&
|
|
(shouldHideModifyAccessor()));
|
|
};
|
|
|
|
// Honor !Options.PrintGetSetOnRWProperties in the only remaining
|
|
// case where we could end up printing { get set }.
|
|
if ((PrintAbstract || isGetSetImpl()) &&
|
|
!Options.PrintGetSetOnRWProperties &&
|
|
!Options.FunctionDefinitions &&
|
|
!ASD->isGetterMutating() &&
|
|
!ASD->getAccessor(AccessorKind::Set)->isExplicitNonMutating() &&
|
|
!asyncGet && !throwsGet) {
|
|
return;
|
|
}
|
|
|
|
// Otherwise, print all the concrete defining accessors.
|
|
bool PrintAccessorBody = Options.FunctionDefinitions;
|
|
|
|
// Determine if we should print the getter without the 'get { ... }'
|
|
// block around it.
|
|
bool isOnlyGetter = impl.getReadImpl() == ReadImplKind::Get &&
|
|
ASD->getAccessor(AccessorKind::Get);
|
|
bool isGetterMutating = ASD->supportsMutation() || ASD->isGetterMutating();
|
|
bool hasEffects = asyncGet || throwsGet;
|
|
if (isOnlyGetter && !isGetterMutating && !hasEffects && PrintAccessorBody &&
|
|
Options.FunctionBody && Options.CollapseSingleGetterProperty) {
|
|
Options.FunctionBody(ASD->getAccessor(AccessorKind::Get), Printer);
|
|
indent();
|
|
return;
|
|
}
|
|
|
|
// Force implicit accessors to be created if they haven't been already.
|
|
if (shouldPrintAllSemanticDetails(Options)) {
|
|
ASD->visitEmittedAccessors([](AccessorDecl *accessor) {
|
|
(void)accessor;
|
|
});
|
|
}
|
|
|
|
// Collect the accessor declarations that we should print.
|
|
SmallVector<AccessorDecl *, 4> accessorsToPrint;
|
|
auto AddAccessorToPrint = [&](AccessorKind kind) {
|
|
auto *Accessor = ASD->getAccessor(kind);
|
|
if (Accessor && shouldPrint(Accessor))
|
|
accessorsToPrint.push_back(Accessor);
|
|
};
|
|
|
|
if (ASD->hasInitAccessor())
|
|
AddAccessorToPrint(AccessorKind::Init);
|
|
|
|
if (PrintAbstract) {
|
|
AddAccessorToPrint(AccessorKind::Get);
|
|
|
|
if (ASD->supportsMutation())
|
|
AddAccessorToPrint(AccessorKind::Set);
|
|
} else {
|
|
switch (impl.getReadImpl()) {
|
|
case ReadImplKind::Stored:
|
|
case ReadImplKind::Inherited:
|
|
break;
|
|
case ReadImplKind::Get:
|
|
AddAccessorToPrint(AccessorKind::Get);
|
|
break;
|
|
case ReadImplKind::Address:
|
|
AddAccessorToPrint(AccessorKind::Address);
|
|
break;
|
|
case ReadImplKind::Read:
|
|
AddAccessorToPrint(AccessorKind::Read);
|
|
break;
|
|
}
|
|
switch (impl.getWriteImpl()) {
|
|
case WriteImplKind::Immutable:
|
|
break;
|
|
case WriteImplKind::Stored:
|
|
llvm_unreachable("simply-stored variable should have been filtered out");
|
|
case WriteImplKind::StoredWithObservers:
|
|
case WriteImplKind::InheritedWithObservers: {
|
|
AddAccessorToPrint(AccessorKind::Get);
|
|
AddAccessorToPrint(AccessorKind::Set);
|
|
break;
|
|
}
|
|
case WriteImplKind::Set:
|
|
AddAccessorToPrint(AccessorKind::Set);
|
|
if (!shouldHideModifyAccessor())
|
|
AddAccessorToPrint(AccessorKind::Modify);
|
|
break;
|
|
case WriteImplKind::MutableAddress:
|
|
AddAccessorToPrint(AccessorKind::MutableAddress);
|
|
AddAccessorToPrint(AccessorKind::WillSet);
|
|
AddAccessorToPrint(AccessorKind::DidSet);
|
|
break;
|
|
case WriteImplKind::Modify:
|
|
AddAccessorToPrint(AccessorKind::Modify);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// If we're not printing the accessor bodies and none of the accessors have
|
|
// attributes then we can print in a shorter, compact form.
|
|
bool PrintCompactAccessors =
|
|
!PrintAccessorBody &&
|
|
std::all_of(accessorsToPrint.begin(), accessorsToPrint.end(),
|
|
[](AccessorDecl *accessor) {
|
|
return accessor->getAttrs().isEmpty();
|
|
});
|
|
|
|
Printer << " {";
|
|
|
|
if (!PrintCompactAccessors)
|
|
Printer.printNewline();
|
|
|
|
for (auto *accessor : accessorsToPrint) {
|
|
if (PrintCompactAccessors) {
|
|
Printer << " ";
|
|
printSelfAccessKindModifiersIfNeeded(accessor);
|
|
|
|
Printer.printKeyword(getAccessorLabel(accessor->getAccessorKind()),
|
|
Options);
|
|
|
|
// handle any effects specifiers
|
|
if (accessor->getAccessorKind() == AccessorKind::Get) {
|
|
if (asyncGet)
|
|
printWithSpace("async");
|
|
if (throwsGet) {
|
|
printWithSpace("throws");
|
|
printThrownErrorIfNecessary(accessor);
|
|
}
|
|
}
|
|
} else {
|
|
{
|
|
IndentRAII IndentMore(*this);
|
|
indent();
|
|
visit(accessor);
|
|
}
|
|
indent();
|
|
Printer.printNewline();
|
|
}
|
|
}
|
|
|
|
if (PrintCompactAccessors)
|
|
Printer << " ";
|
|
|
|
Printer << "}";
|
|
|
|
indent();
|
|
}
|
|
|
|
// This provides logic for looking up all members of a namespace. This is
|
|
// intentionally implemented only in the printer and should *only* be used for
|
|
// debugging, testing, generating module dumps, etc. (In other words, if you're
|
|
// trying to get all the members of a namespace in another part of the compiler,
|
|
// you're probably doing something wrong. This is a very expensive operation,
|
|
// so we want to do it only when absolutely necessary.)
|
|
static void addNamespaceMembers(Decl *decl,
|
|
llvm::SmallVector<Decl *, 16> &members) {
|
|
auto &ctx = decl->getASTContext();
|
|
auto namespaceDecl = cast<clang::NamespaceDecl>(decl->getClangDecl());
|
|
|
|
// This is only to keep track of the members we've already seen.
|
|
llvm::SmallPtrSet<Decl *, 16> addedMembers;
|
|
const auto *declOwner = namespaceDecl->getOwningModule();
|
|
if (declOwner)
|
|
declOwner = declOwner->getTopLevelModule();
|
|
for (auto redecl : namespaceDecl->redecls()) {
|
|
// Skip namespace declarations that come from other top-level modules.
|
|
if (const auto *redeclOwner = redecl->getOwningModule()) {
|
|
if (declOwner && declOwner != redeclOwner->getTopLevelModule())
|
|
continue;
|
|
}
|
|
for (auto member : redecl->decls()) {
|
|
if (auto classTemplate = dyn_cast<clang::ClassTemplateDecl>(member)) {
|
|
// Add all specializations to a worklist so we don't accidentally mutate
|
|
// the list of decls we're iterating over.
|
|
llvm::SmallPtrSet<const clang::ClassTemplateSpecializationDecl *, 16> specWorklist;
|
|
for (auto spec : classTemplate->specializations())
|
|
specWorklist.insert(spec);
|
|
for (auto spec : specWorklist) {
|
|
if (auto import =
|
|
ctx.getClangModuleLoader()->importDeclDirectly(spec))
|
|
if (addedMembers.insert(import).second)
|
|
members.push_back(import);
|
|
}
|
|
}
|
|
|
|
auto lookupAndAddMembers = [&](DeclName name) {
|
|
auto allResults = evaluateOrDefault(
|
|
ctx.evaluator, ClangDirectLookupRequest({decl, redecl, name}), {});
|
|
|
|
for (auto found : allResults) {
|
|
auto clangMember = found.get<clang::NamedDecl *>();
|
|
if (auto importedDecl =
|
|
ctx.getClangModuleLoader()->importDeclDirectly(clangMember)) {
|
|
if (addedMembers.insert(importedDecl).second)
|
|
members.push_back(importedDecl);
|
|
}
|
|
}
|
|
};
|
|
|
|
auto namedDecl = dyn_cast<clang::NamedDecl>(member);
|
|
if (!namedDecl)
|
|
continue;
|
|
auto name = ctx.getClangModuleLoader()->importName(namedDecl);
|
|
if (!name)
|
|
continue;
|
|
lookupAndAddMembers(name);
|
|
|
|
// Unscoped enums could have their enumerators present
|
|
// in the parent namespace.
|
|
if (auto *ed = dyn_cast<clang::EnumDecl>(member)) {
|
|
if (!ed->isScoped()) {
|
|
for (const auto *ecd : ed->enumerators()) {
|
|
auto name = ctx.getClangModuleLoader()->importName(ecd);
|
|
if (!name)
|
|
continue;
|
|
lookupAndAddMembers(name);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void PrintAST::printMembersOfDecl(Decl *D, bool needComma, bool openBracket,
|
|
bool closeBracket, bool doIndent) {
|
|
llvm::SmallVector<Decl *, 16> Members;
|
|
auto AddMembers = [&](IterableDeclContext *idc) {
|
|
if (Options.PrintCurrentMembersOnly) {
|
|
for (auto RD : idc->getMembers())
|
|
Members.push_back(RD);
|
|
} else {
|
|
for (auto RD : idc->getAllMembers())
|
|
Members.push_back(RD);
|
|
}
|
|
};
|
|
|
|
if (auto Ext = dyn_cast<ExtensionDecl>(D)) {
|
|
AddMembers(Ext);
|
|
} else if (auto NTD = dyn_cast<NominalTypeDecl>(D)) {
|
|
AddMembers(NTD);
|
|
for (auto Ext : NTD->getExtensions()) {
|
|
if (Options.printExtensionContentAsMembers(Ext))
|
|
AddMembers(Ext);
|
|
}
|
|
if (Options.PrintExtensionFromConformingProtocols) {
|
|
if (!isa<ProtocolDecl>(NTD)) {
|
|
for (auto Conf : NTD->getAllConformances()) {
|
|
for (auto Ext : Conf->getProtocol()->getExtensions()) {
|
|
if (Options.printExtensionContentAsMembers(Ext))
|
|
AddMembers(Ext);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (isa_and_nonnull<clang::NamespaceDecl>(D->getClangDecl()))
|
|
addNamespaceMembers(D, Members);
|
|
}
|
|
printMembers(Members, needComma, openBracket, closeBracket, doIndent);
|
|
}
|
|
|
|
void PrintAST::printMembers(ArrayRef<Decl *> members, bool needComma,
|
|
bool openBracket, bool closeBracket,
|
|
bool doIndent) {
|
|
if (openBracket) {
|
|
Printer << " {";
|
|
if (!Options.PrintEmptyMembersOnSameLine || !members.empty())
|
|
Printer.printNewline();
|
|
}
|
|
{
|
|
IndentRAII indentMore(*this, /*DoIndent=*/doIndent);
|
|
for (auto i = members.begin(), iEnd = members.end(); i != iEnd; ++i) {
|
|
auto member = *i;
|
|
|
|
if (!shouldPrint(member, true))
|
|
continue;
|
|
|
|
if (!member->shouldPrintInContext(Options))
|
|
continue;
|
|
|
|
if (Options.EmptyLineBetweenDecls)
|
|
Printer.printNewline();
|
|
indent();
|
|
visit(member);
|
|
if (needComma && std::next(i) != iEnd)
|
|
Printer << ",";
|
|
Printer.printNewline();
|
|
}
|
|
}
|
|
indent();
|
|
if (closeBracket)
|
|
Printer << "}";
|
|
}
|
|
|
|
void PrintAST::printGenericDeclGenericParams(GenericContext *decl) {
|
|
if (decl->isGeneric())
|
|
if (auto GenericSig = decl->getGenericSignature()) {
|
|
Printer.printStructurePre(PrintStructureKind::DeclGenericParameterClause);
|
|
printGenericSignature(GenericSig, PrintParams | InnermostOnly);
|
|
Printer.printStructurePost(PrintStructureKind::DeclGenericParameterClause);
|
|
}
|
|
}
|
|
|
|
void PrintAST::printDeclGenericRequirements(GenericContext *decl) {
|
|
const auto genericSig = decl->getGenericSignature();
|
|
if (!genericSig)
|
|
return;
|
|
|
|
// If the declaration is itself non-generic, it might still
|
|
// carry a contextual where clause.
|
|
const auto parentSig = decl->getParent()->getGenericSignatureOfContext();
|
|
if (parentSig && parentSig->isEqual(genericSig))
|
|
return;
|
|
|
|
unsigned flags = defaultGenericRequirementFlags();
|
|
|
|
// In many cases, inverses should not be printed for outer generic parameters.
|
|
// Exceptions to that include extensions, as it's valid to write an inverse
|
|
// on the generic parameters they get from the extended nominal.
|
|
InverseFilter inverseFilter = AllInverses();
|
|
if (!isa<ExtensionDecl>(decl))
|
|
inverseFilter = InversesAtDepth(decl);
|
|
|
|
Printer.printStructurePre(PrintStructureKind::DeclGenericParameterClause);
|
|
printGenericSignature(genericSig,
|
|
flags,
|
|
[parentSig](const Requirement &req) {
|
|
if (parentSig)
|
|
return !parentSig->isRequirementSatisfied(req);
|
|
return true;
|
|
},
|
|
inverseFilter);
|
|
Printer.printStructurePost(PrintStructureKind::DeclGenericParameterClause);
|
|
}
|
|
|
|
void PrintAST::printInherited(const Decl *decl) {
|
|
if (!Options.PrintInherited) {
|
|
return;
|
|
}
|
|
SmallVector<InheritedEntry, 6> TypesToPrint;
|
|
getInheritedForPrinting(decl, Options, TypesToPrint);
|
|
if (TypesToPrint.empty())
|
|
return;
|
|
|
|
if (Options.PrintSpaceBeforeInheritance) {
|
|
Printer << " ";
|
|
}
|
|
Printer << ": ";
|
|
|
|
interleave(TypesToPrint, [&](InheritedEntry inherited) {
|
|
printTypeLoc(inherited, [&] {
|
|
if (inherited.isUnchecked())
|
|
Printer << "@unchecked ";
|
|
if (inherited.isRetroactive() &&
|
|
!llvm::is_contained(Options.ExcludeAttrList, TypeAttrKind::Retroactive))
|
|
Printer << "@retroactive ";
|
|
if (inherited.isPreconcurrency())
|
|
Printer << "@preconcurrency ";
|
|
if (inherited.isSuppressed())
|
|
Printer << "~";
|
|
});
|
|
}, [&]() {
|
|
Printer << ", ";
|
|
});
|
|
}
|
|
|
|
static void getModuleEntities(const clang::Module *ClangMod,
|
|
SmallVectorImpl<ModuleEntity> &ModuleEnts) {
|
|
if (!ClangMod)
|
|
return;
|
|
|
|
getModuleEntities(ClangMod->Parent, ModuleEnts);
|
|
ModuleEnts.push_back(ClangMod);
|
|
}
|
|
|
|
static void getModuleEntities(ImportDecl *Import,
|
|
SmallVectorImpl<ModuleEntity> &ModuleEnts) {
|
|
if (auto *ClangMod = Import->getClangModule()) {
|
|
getModuleEntities(ClangMod, ModuleEnts);
|
|
return;
|
|
}
|
|
|
|
auto Mod = Import->getModule();
|
|
if (!Mod)
|
|
return;
|
|
|
|
if (auto *ClangMod = Mod->findUnderlyingClangModule()) {
|
|
getModuleEntities(ClangMod, ModuleEnts);
|
|
} else {
|
|
ModuleEnts.push_back(Mod);
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitImportDecl(ImportDecl *decl) {
|
|
printAttributes(decl);
|
|
Printer.printIntroducerKeyword("import", Options, " ");
|
|
|
|
switch (decl->getImportKind()) {
|
|
case ImportKind::Module:
|
|
break;
|
|
case ImportKind::Type:
|
|
Printer << tok::kw_typealias << " ";
|
|
break;
|
|
case ImportKind::Struct:
|
|
Printer << tok::kw_struct << " ";
|
|
break;
|
|
case ImportKind::Class:
|
|
Printer << tok::kw_class << " ";
|
|
break;
|
|
case ImportKind::Enum:
|
|
Printer << tok::kw_enum << " ";
|
|
break;
|
|
case ImportKind::Protocol:
|
|
Printer << tok::kw_protocol << " ";
|
|
break;
|
|
case ImportKind::Var:
|
|
Printer << tok::kw_var << " ";
|
|
break;
|
|
case ImportKind::Func:
|
|
Printer << tok::kw_func << " ";
|
|
break;
|
|
}
|
|
|
|
SmallVector<ModuleEntity, 4> ModuleEnts;
|
|
getModuleEntities(decl, ModuleEnts);
|
|
|
|
ArrayRef<ModuleEntity> Mods = ModuleEnts;
|
|
llvm::interleave(decl->getImportPath(),
|
|
[&](const ImportPath::Element &Elem) {
|
|
if (!Mods.empty()) {
|
|
// Should print the module real name in case module
|
|
// aliasing is used (see -module-alias), since that's
|
|
// the actual binary name.
|
|
Identifier Name = decl->getASTContext().getRealModuleName(Elem.Item);
|
|
if (Options.MapCrossImportOverlaysToDeclaringModule) {
|
|
if (auto *MD = Mods.front().getAsSwiftModule()) {
|
|
ModuleDecl *Declaring = const_cast<ModuleDecl*>(MD)
|
|
->getDeclaringModuleIfCrossImportOverlay();
|
|
if (Declaring)
|
|
Name = Declaring->getRealName();
|
|
}
|
|
}
|
|
Printer.printModuleRef(Mods.front(), Name);
|
|
Mods = Mods.slice(1);
|
|
} else {
|
|
Printer << Elem.Item.str();
|
|
}
|
|
},
|
|
[&] { Printer << "."; });
|
|
}
|
|
|
|
void PrintAST::printExtendedTypeName(TypeLoc ExtendedTypeLoc) {
|
|
bool OldFullyQualifiedTypesIfAmbiguous =
|
|
Options.FullyQualifiedTypesIfAmbiguous;
|
|
Options.FullyQualifiedTypesIfAmbiguous =
|
|
Options.FullyQualifiedExtendedTypesIfAmbiguous;
|
|
SWIFT_DEFER {
|
|
Options.FullyQualifiedTypesIfAmbiguous = OldFullyQualifiedTypesIfAmbiguous;
|
|
};
|
|
|
|
// Strip off generic arguments, if any.
|
|
auto Ty = ExtendedTypeLoc.getType()->getAnyNominal()->getDeclaredType();
|
|
printTypeLoc(TypeLoc(ExtendedTypeLoc.getTypeRepr(), Ty));
|
|
}
|
|
|
|
void PrintAST::printSynthesizedExtension(Type ExtendedType,
|
|
ExtensionDecl *ExtDecl) {
|
|
if (Options.PrintCompatibilityFeatureChecks &&
|
|
Options.BracketOptions.shouldOpenExtension(ExtDecl) &&
|
|
Options.BracketOptions.shouldCloseExtension(ExtDecl)) {
|
|
printWithCompatibilityFeatureChecks(Printer, Options, ExtDecl, [&]{
|
|
printSynthesizedExtensionImpl(ExtendedType, ExtDecl);
|
|
});
|
|
} else {
|
|
printSynthesizedExtensionImpl(ExtendedType, ExtDecl);
|
|
}
|
|
}
|
|
|
|
void PrintAST::printSynthesizedExtensionImpl(Type ExtendedType,
|
|
ExtensionDecl *ExtDecl) {
|
|
auto printRequirementsFrom = [&](ExtensionDecl *ED, bool &IsFirst) {
|
|
SmallVector<Requirement, 2> requirements;
|
|
SmallVector<InverseRequirement, 2> inverses;
|
|
auto Sig = ED->getGenericSignature();
|
|
Sig->getRequirementsWithInverses(requirements, inverses);
|
|
printSingleDepthOfGenericSignature(
|
|
Sig.getGenericParams(),
|
|
requirements,
|
|
inverses,
|
|
IsFirst,
|
|
PrintAST::defaultGenericRequirementFlags(Options),
|
|
[](const Requirement &Req){
|
|
return true;
|
|
});
|
|
};
|
|
|
|
auto printCombinedRequirementsIfNeeded = [&]() -> bool {
|
|
if (!Options.TransformContext ||
|
|
!Options.TransformContext->isPrintingSynthesizedExtension())
|
|
return false;
|
|
|
|
// Combined requirements only needed if the transform context is an enabling
|
|
// extension of the protocol rather than a nominal (which can't have
|
|
// constraints of its own).
|
|
ExtensionDecl *Target = dyn_cast<ExtensionDecl>(
|
|
Options.TransformContext->getDecl().getAsDecl());
|
|
if (!Target || Target == ExtDecl)
|
|
return false;
|
|
|
|
bool IsFirst = true;
|
|
if (ExtDecl->isConstrainedExtension()) {
|
|
printRequirementsFrom(ExtDecl, IsFirst);
|
|
}
|
|
if (Target->isConstrainedExtension()) {
|
|
if (auto *NTD = Target->getExtendedNominal()) {
|
|
// Update the current decl and type transform for Target rather than
|
|
// ExtDecl.
|
|
PrintOptions Adjusted = Options;
|
|
Adjusted.initForSynthesizedExtension(NTD);
|
|
llvm::SaveAndRestore<Decl*> TempCurrent(Current, NTD);
|
|
llvm::SaveAndRestore<PrintOptions> TempOptions(Options, Adjusted);
|
|
printRequirementsFrom(Target, IsFirst);
|
|
}
|
|
}
|
|
return true;
|
|
};
|
|
|
|
if (Options.BracketOptions.shouldOpenExtension(ExtDecl)) {
|
|
printDocumentationComment(ExtDecl);
|
|
printAttributes(ExtDecl);
|
|
Printer.printIntroducerKeyword("extension", Options, " ");
|
|
|
|
printExtendedTypeName(TypeLoc::withoutLoc(ExtendedType));
|
|
printInherited(ExtDecl);
|
|
|
|
// We may need to combine requirements from ExtDecl (which has the members
|
|
// to print) and the TransformContexts' decl if it is an enabling extension
|
|
// of the base NominalDecl (which can have its own requirements) rather than
|
|
// base NominalDecl itself (which can't). E.g:
|
|
//
|
|
// protocol Foo {}
|
|
// extension Foo where <requirements from ExtDecl> { ... }
|
|
// struct Bar {}
|
|
// extension Bar: Foo where <requirements from TransformContext> { ... }
|
|
//
|
|
// should produce a synthesized extension of Bar with both sets of
|
|
// requirements:
|
|
//
|
|
// extension Bar where <requirements from ExtDecl+TransformContext> { ... }
|
|
//
|
|
if (!printCombinedRequirementsIfNeeded())
|
|
printDeclGenericRequirements(ExtDecl);
|
|
|
|
}
|
|
if (Options.TypeDefinitions) {
|
|
printMembersOfDecl(ExtDecl, false,
|
|
Options.BracketOptions.shouldOpenExtension(ExtDecl),
|
|
Options.BracketOptions.shouldCloseExtension(ExtDecl));
|
|
}
|
|
}
|
|
|
|
void PrintAST::printExtension(ExtensionDecl *decl) {
|
|
if (Options.BracketOptions.shouldOpenExtension(decl)) {
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
Printer.printIntroducerKeyword("extension", Options, " ");
|
|
recordDeclLoc(decl, [&]{
|
|
// We cannot extend sugared types.
|
|
Type extendedType = decl->getExtendedType();
|
|
if (!extendedType) {
|
|
// Fallback to TypeRepr.
|
|
printTypeLoc(decl->getExtendedTypeRepr());
|
|
return;
|
|
}
|
|
if (!extendedType->getAnyNominal()) {
|
|
// Fallback to the type. This usually means we're trying to print an
|
|
// UnboundGenericType.
|
|
printTypeLoc(TypeLoc::withoutLoc(extendedType));
|
|
return;
|
|
}
|
|
printExtendedTypeName(TypeLoc(decl->getExtendedTypeRepr(), extendedType));
|
|
});
|
|
printInherited(decl);
|
|
|
|
if (auto genericSig = decl->getGenericSignature()) {
|
|
auto baseGenericSig = decl->getExtendedNominal()->getGenericSignature();
|
|
assert(baseGenericSig &&
|
|
"an extension can't be generic if the base type isn't");
|
|
|
|
auto genSigFlags = defaultGenericRequirementFlags();
|
|
|
|
// Disable printing inverses if the extension is adding a conformance
|
|
// for an invertible protocol itself, as we do not infer any requirements
|
|
// in such an extension. We need to print the whole signature:
|
|
// extension S: Copyable where T: Copyable
|
|
if (decl->isAddingConformanceToInvertible())
|
|
genSigFlags &= ~PrintInverseRequirements;
|
|
|
|
printGenericSignature(genericSig,
|
|
genSigFlags,
|
|
[baseGenericSig](const Requirement &req) -> bool {
|
|
// Only include constraints that are not satisfied by the base type.
|
|
return !baseGenericSig->isRequirementSatisfied(req);
|
|
},
|
|
AllInverses());
|
|
}
|
|
}
|
|
if (Options.TypeDefinitions) {
|
|
printMembersOfDecl(decl, false,
|
|
Options.BracketOptions.shouldOpenExtension(decl),
|
|
Options.BracketOptions.shouldCloseExtension(decl));
|
|
}
|
|
}
|
|
|
|
static void suppressingFeatureSpecializeAttributeWithAvailability(
|
|
PrintOptions &options,
|
|
llvm::function_ref<void()> action) {
|
|
llvm::SaveAndRestore<bool> scope(
|
|
options.PrintSpecializeAttributeWithAvailability, false);
|
|
action();
|
|
}
|
|
|
|
static void suppressingFeatureIsolatedAny(PrintOptions &options,
|
|
llvm::function_ref<void()> action) {
|
|
llvm::SaveAndRestore<bool> scope(options.SuppressIsolatedAny, true);
|
|
action();
|
|
}
|
|
|
|
static void
|
|
suppressingFeatureSendingArgsAndResults(PrintOptions &options,
|
|
llvm::function_ref<void()> action) {
|
|
llvm::SaveAndRestore<bool> scope(options.SuppressSendingArgsAndResults, true);
|
|
action();
|
|
}
|
|
|
|
static void
|
|
suppressingFeatureBitwiseCopyable2(PrintOptions &options,
|
|
llvm::function_ref<void()> action) {
|
|
unsigned originalExcludeAttrCount = options.ExcludeAttrList.size();
|
|
llvm::SaveAndRestore<bool> scope(options.SuppressBitwiseCopyable, true);
|
|
action();
|
|
options.ExcludeAttrList.resize(originalExcludeAttrCount);
|
|
}
|
|
|
|
/// Suppress the printing of a particular feature.
|
|
static void suppressingFeature(PrintOptions &options, Feature feature,
|
|
llvm::function_ref<void()> action) {
|
|
switch (feature) {
|
|
#define LANGUAGE_FEATURE(FeatureName, SENumber, Description) \
|
|
case Feature::FeatureName: \
|
|
llvm_unreachable("not a suppressible feature");
|
|
#define SUPPRESSIBLE_LANGUAGE_FEATURE(FeatureName, SENumber, Description) \
|
|
case Feature::FeatureName: \
|
|
suppressingFeature##FeatureName(options, action); \
|
|
return;
|
|
#define CONDITIONALLY_SUPPRESSIBLE_LANGUAGE_FEATURE(FeatureName, SENumber, Description) \
|
|
SUPPRESSIBLE_LANGUAGE_FEATURE(FeatureName, SENumber, Description)
|
|
#include "swift/Basic/Features.def"
|
|
}
|
|
llvm_unreachable("exhaustive switch");
|
|
}
|
|
|
|
static void printCompatibilityCheckIf(ASTPrinter &printer, bool isElseIf,
|
|
bool includeCompilerCheck,
|
|
const BasicFeatureSet &features) {
|
|
assert(!features.empty());
|
|
|
|
printer << (isElseIf ? "#elseif " : "#if ");
|
|
if (includeCompilerCheck)
|
|
printer << "compiler(>=5.3) && ";
|
|
|
|
bool first = true;
|
|
for (auto feature : features) {
|
|
if (!first) {
|
|
printer << " && ";
|
|
} else {
|
|
first = false;
|
|
}
|
|
printer << "$" << getFeatureName(feature);
|
|
}
|
|
|
|
#ifndef NDEBUG
|
|
if (NumberSuppressionChecks) {
|
|
static unsigned totalSuppressionChecks = 0;
|
|
printer << " // Suppression Count: " << totalSuppressionChecks;
|
|
++totalSuppressionChecks;
|
|
}
|
|
#endif
|
|
|
|
printer.printNewline();
|
|
}
|
|
|
|
/// Generate a #if ... #elseif ... #endif chain for the given
|
|
/// suppressible feature checks.
|
|
static void printWithSuppressibleFeatureChecks(ASTPrinter &printer,
|
|
PrintOptions &options,
|
|
bool firstInChain,
|
|
bool includeCompilerCheck,
|
|
FeatureSet::SuppressibleGenerator &generator,
|
|
llvm::function_ref<void()> printBody) {
|
|
// If we've run out of features to check for, enter an `#else`,
|
|
// print the body one last time, and close the chain with `#endif`.
|
|
// Note that, if we didn't have any suppressible features at all,
|
|
// we shouldn't have started this recursion.
|
|
if (generator.empty()) {
|
|
printer << "#else";
|
|
printer.printNewline();
|
|
printBody();
|
|
printer.printNewline();
|
|
printer << "#endif";
|
|
return;
|
|
}
|
|
|
|
// Otherwise, enter a `#if` or `#elseif` for the next feature.
|
|
Feature feature = generator.next();
|
|
printCompatibilityCheckIf(printer, /*elseif*/ !firstInChain,
|
|
includeCompilerCheck, {feature});
|
|
|
|
// Print the body.
|
|
printBody();
|
|
printer.printNewline();
|
|
|
|
// Start suppressing the feature and recurse to either generate
|
|
// more `#elseif` clauses or finish off with `#endif`.
|
|
suppressingFeature(options, feature, [&] {
|
|
printWithSuppressibleFeatureChecks(printer, options, /*first*/ false,
|
|
includeCompilerCheck, generator,
|
|
printBody);
|
|
});
|
|
}
|
|
|
|
/// Generate the appropriate #if block(s) necessary to protect the use
|
|
/// of compiler-version-dependent features in the given function.
|
|
///
|
|
/// In the most general form, with both required features and multiple
|
|
/// suppressible features in play, the generated code pattern looks like
|
|
/// the following (assuming that feature $bar implies feature $baz):
|
|
///
|
|
/// ```
|
|
/// #if compiler(>=5.3) && $foo
|
|
/// #if $bar
|
|
/// @foo @bar @baz func @test() {}
|
|
/// #elseif $baz
|
|
/// @foo @baz func @test() {}
|
|
/// #else
|
|
/// @foo func @test() {}
|
|
/// #endif
|
|
/// #endif
|
|
/// ```
|
|
void swift::printWithCompatibilityFeatureChecks(ASTPrinter &printer,
|
|
PrintOptions &options,
|
|
Decl *decl,
|
|
llvm::function_ref<void()> printBody) {
|
|
// A single accessor does not get a feature check,
|
|
// it should go around the whole decl.
|
|
if (isa<AccessorDecl>(decl)) {
|
|
printBody();
|
|
return;
|
|
}
|
|
|
|
FeatureSet features = getUniqueFeaturesUsed(decl);
|
|
if (features.empty()) {
|
|
printBody();
|
|
return;
|
|
}
|
|
|
|
// Enter a `#if` for the required features, if any.
|
|
bool hasRequiredFeatures = features.hasAnyRequired();
|
|
if (hasRequiredFeatures) {
|
|
printCompatibilityCheckIf(printer,
|
|
/*elseif*/ false,
|
|
/*compiler check*/ true,
|
|
features.requiredFeatures());
|
|
}
|
|
|
|
// Do the recursive suppression logic if we have suppressible
|
|
// features, or else just print the body.
|
|
if (features.hasAnySuppressible()) {
|
|
auto generator = features.generateSuppressibleFeatures();
|
|
|
|
// NOTE: We emit the compiler check here as well since that also implicitly
|
|
// ensures that we ignore parsing errors in the if block. It is harmless
|
|
// otherwise.
|
|
printWithSuppressibleFeatureChecks(printer, options,
|
|
/*first*/ true,
|
|
/*compiler check*/ true, generator,
|
|
printBody);
|
|
} else {
|
|
printBody();
|
|
}
|
|
|
|
// Close the `#if` for the required features.
|
|
if (hasRequiredFeatures) {
|
|
printer.printNewline();
|
|
printer << "#endif";
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitExtensionDecl(ExtensionDecl *decl) {
|
|
if (Options.TransformContext &&
|
|
Options.TransformContext->isPrintingSynthesizedExtension()) {
|
|
auto extendedType = Options.TransformContext->getBaseType();
|
|
if (extendedType->hasArchetype())
|
|
extendedType = extendedType->mapTypeOutOfContext();
|
|
printSynthesizedExtension(extendedType, decl);
|
|
} else
|
|
printExtension(decl);
|
|
}
|
|
|
|
void PrintAST::visitPatternBindingDecl(PatternBindingDecl *decl) {
|
|
// FIXME: We're not printing proper "{ get set }" annotations in pattern
|
|
// binding decls. As a hack, scan the decl to find out if any of the
|
|
// variables are immutable, and if so, we print as 'let'. This allows us to
|
|
// handle the 'let x = 4' case properly at least.
|
|
const VarDecl *anyVar = nullptr;
|
|
for (auto idx : range(decl->getNumPatternEntries())) {
|
|
decl->getPattern(idx)->forEachVariable([&](VarDecl *V) {
|
|
anyVar = V;
|
|
});
|
|
if (anyVar) break;
|
|
}
|
|
|
|
if (anyVar)
|
|
printDocumentationComment(anyVar);
|
|
|
|
// FIXME: PatternBindingDecls don't have attributes themselves, so just assume
|
|
// the variables all have the same attributes. This isn't exactly true
|
|
// after type-checking, but it's close enough for now.
|
|
if (anyVar) {
|
|
printAttributes(anyVar);
|
|
printAccess(anyVar);
|
|
}
|
|
|
|
if (decl->isStatic())
|
|
printStaticKeyword(decl->getCorrectStaticSpelling());
|
|
|
|
if (anyVar) {
|
|
Printer << (anyVar->isSettable(anyVar->getDeclContext()) ? "var " : "let ");
|
|
} else {
|
|
Printer << "let ";
|
|
}
|
|
|
|
bool isFirst = true;
|
|
for (auto idx : range(decl->getNumPatternEntries())) {
|
|
auto *pattern = decl->getPattern(idx);
|
|
|
|
if (shouldPrintAllSemanticDetails(Options)) {
|
|
// Force the entry to be typechecked before attempting to print.
|
|
if (!pattern->hasType())
|
|
(void)decl->getCheckedPatternBindingEntry(idx);
|
|
|
|
// HACK: If the pattern type is a typealias, trigger a request that will
|
|
// fully typecheck the init. This ensures typealiases are desguared
|
|
// consistently.
|
|
if (decl->isInitialized(idx)) {
|
|
if (auto type = pattern->getType())
|
|
if (type->getKind() == TypeKind::TypeAlias)
|
|
(void)decl->getCheckedAndContextualizedInit(idx);
|
|
}
|
|
}
|
|
|
|
if (!shouldPrintPattern(pattern))
|
|
continue;
|
|
if (isFirst)
|
|
isFirst = false;
|
|
else
|
|
Printer << ", ";
|
|
|
|
printPattern(pattern);
|
|
|
|
// We also try to print type for named patterns, e.g. var Field = 10;
|
|
// and tuple patterns, e.g. var (T1, T2) = (10, 10)
|
|
if (isa<NamedPattern>(pattern) || isa<TuplePattern>(pattern)) {
|
|
printPatternType(pattern);
|
|
}
|
|
|
|
if (Options.PrintExprs) {
|
|
if (auto initExpr = decl->getInit(idx)) {
|
|
Printer << " = ";
|
|
visit(initExpr);
|
|
}
|
|
} else if (Options.VarInitializers) {
|
|
auto *vd = decl->getAnchoringVarDecl(idx);
|
|
if (decl->hasInitStringRepresentation(idx) &&
|
|
vd->isInitExposedToClients()) {
|
|
SmallString<128> scratch;
|
|
Printer << " = " << decl->getInitStringRepresentation(idx, scratch);
|
|
}
|
|
}
|
|
|
|
// If we're just printing a single pattern and it has accessors,
|
|
// print the accessors here. It is an error to add accessors to a
|
|
// pattern binding with multiple entries.
|
|
if (auto var = decl->getSingleVar()) {
|
|
printAccessors(var);
|
|
}
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitTopLevelCodeDecl(TopLevelCodeDecl *decl) {
|
|
printASTNodes(decl->getBody()->getElements(), /*NeedIndent=*/false);
|
|
}
|
|
|
|
void PrintAST::visitIfConfigDecl(IfConfigDecl *ICD) {
|
|
if (!Options.PrintIfConfig)
|
|
return;
|
|
|
|
for (auto &Clause : ICD->getClauses()) {
|
|
if (&Clause == &*ICD->getClauses().begin())
|
|
Printer << tok::pound_if << " /* condition */"; // FIXME: print condition
|
|
else if (Clause.Cond)
|
|
Printer << tok::pound_elseif << " /* condition */"; // FIXME: print condition
|
|
else
|
|
Printer << tok::pound_else;
|
|
printASTNodes(Clause.Elements);
|
|
Printer.printNewline();
|
|
indent();
|
|
}
|
|
Printer << tok::pound_endif;
|
|
}
|
|
|
|
void PrintAST::visitPoundDiagnosticDecl(PoundDiagnosticDecl *PDD) {
|
|
/// TODO: Should we even print #error/#warning?
|
|
if (PDD->isError()) {
|
|
Printer << tok::pound_error;
|
|
} else {
|
|
Printer << tok::pound_warning;
|
|
}
|
|
|
|
Printer << "(\"" << PDD->getMessage()->getValue() << "\")";
|
|
}
|
|
|
|
void PrintAST::visitOpaqueTypeDecl(OpaqueTypeDecl *decl) {
|
|
// TODO: If we introduce explicit opaque type decls, print them.
|
|
assert(decl->getName().empty());
|
|
}
|
|
|
|
void PrintAST::visitTypeAliasDecl(TypeAliasDecl *decl) {
|
|
auto name = decl->getName();
|
|
bool suppressingBitwiseCopyable =
|
|
Options.SuppressBitwiseCopyable &&
|
|
decl->getModuleContext()->isStdlibModule() &&
|
|
(decl->getNameStr() == "_BitwiseCopyable");
|
|
if (suppressingBitwiseCopyable) {
|
|
name = decl->getASTContext().getIdentifier("BitwiseCopyable");
|
|
}
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
printAccess(decl);
|
|
Printer.printIntroducerKeyword("typealias", Options, " ");
|
|
printContextIfNeeded(decl);
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(name, getTypeMemberPrintNameContext(decl));
|
|
}, [&]{ // Signature
|
|
printGenericDeclGenericParams(decl);
|
|
});
|
|
if (suppressingBitwiseCopyable) {
|
|
Printer << " = Swift._BitwiseCopyable";
|
|
return;
|
|
}
|
|
bool ShouldPrint = true;
|
|
Type Ty = decl->getUnderlyingType();
|
|
|
|
// If the underlying type is private, don't print it.
|
|
if (Options.SkipPrivateStdlibDecls && Ty && Ty.isPrivateStdlibType())
|
|
ShouldPrint = false;
|
|
|
|
if (ShouldPrint) {
|
|
Printer << " = ";
|
|
// FIXME: An inferred associated type witness type alias may reference
|
|
// an opaque type, but OpaqueTypeArchetypes are always canonicalized
|
|
// so lose type sugar for generic params. Bind the generic signature so
|
|
// we can map params back into the generic signature and print them
|
|
// correctly.
|
|
//
|
|
// Remove this when we have a way to represent non-canonical archetypes
|
|
// preserving sugar.
|
|
llvm::SaveAndRestore<const GenericSignatureImpl *> setGenericSig(
|
|
Options.GenericSig, decl->getGenericSignature().getPointer());
|
|
printTypeLoc(TypeLoc(decl->getUnderlyingTypeRepr(), Ty));
|
|
printDeclGenericRequirements(decl);
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitGenericTypeParamDecl(GenericTypeParamDecl *decl) {
|
|
recordDeclLoc(decl, [&] {
|
|
if (decl->isParameterPack())
|
|
Printer << "each ";
|
|
Printer.printName(decl->getName(), PrintNameContext::GenericParameter);
|
|
});
|
|
|
|
printInherited(decl);
|
|
}
|
|
|
|
void PrintAST::visitAssociatedTypeDecl(AssociatedTypeDecl *decl) {
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
Printer.printIntroducerKeyword("associatedtype", Options, " ");
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(decl->getName(), PrintNameContext::TypeMember);
|
|
});
|
|
|
|
auto proto = decl->getProtocol();
|
|
printInheritedFromRequirementSignature(proto, decl);
|
|
|
|
if (decl->hasDefaultDefinitionType()) {
|
|
Printer << " = ";
|
|
decl->getDefaultDefinitionType().print(Printer, Options);
|
|
}
|
|
|
|
// As with protocol's trailing where clauses, use the requirement signature
|
|
// when available.
|
|
printWhereClauseFromRequirementSignature(proto, decl);
|
|
}
|
|
|
|
void PrintAST::visitEnumDecl(EnumDecl *decl) {
|
|
if (const auto *namespaceDecl =
|
|
dyn_cast_or_null<clang::NamespaceDecl>(decl->getClangDecl())) {
|
|
// Enum that correponds to the C++ namespace should only be printed once.
|
|
if (!Printer.shouldPrintRedeclaredClangDecl(
|
|
namespaceDecl->getOriginalNamespace()))
|
|
return;
|
|
|
|
if (Options.SkipInlineCXXNamespace && namespaceDecl->isInline()) {
|
|
// Print members directly if this is an inline namespace.
|
|
printMembersOfDecl(decl, false, /*openBracket=*/false,
|
|
/*closeBracket=*/false, /*doIndent=*/false);
|
|
return;
|
|
}
|
|
}
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
printAccess(decl);
|
|
|
|
if (Options.PrintOriginalSourceText && decl->getStartLoc().isValid()) {
|
|
ASTContext &Ctx = decl->getASTContext();
|
|
printSourceRange(CharSourceRange(Ctx.SourceMgr, decl->getStartLoc(),
|
|
decl->getBraces().Start.getAdvancedLoc(-1)), Ctx);
|
|
} else {
|
|
Printer.printIntroducerKeyword("enum", Options, " ");
|
|
printContextIfNeeded(decl);
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(decl->getName(), getTypeMemberPrintNameContext(decl));
|
|
}, [&]{ // Signature
|
|
printGenericDeclGenericParams(decl);
|
|
});
|
|
printInherited(decl);
|
|
printDeclGenericRequirements(decl);
|
|
}
|
|
if (Options.TypeDefinitions) {
|
|
printMembersOfDecl(decl, false, true,
|
|
Options.BracketOptions.shouldCloseNominal(decl));
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitStructDecl(StructDecl *decl) {
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
printAccess(decl);
|
|
|
|
if (Options.PrintOriginalSourceText && decl->getStartLoc().isValid()) {
|
|
ASTContext &Ctx = decl->getASTContext();
|
|
printSourceRange(CharSourceRange(Ctx.SourceMgr, decl->getStartLoc(),
|
|
decl->getBraces().Start.getAdvancedLoc(-1)), Ctx);
|
|
} else {
|
|
Printer.printIntroducerKeyword("struct", Options, " ");
|
|
printContextIfNeeded(decl);
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(decl->getName(), getTypeMemberPrintNameContext(decl));
|
|
}, [&]{ // Signature
|
|
printGenericDeclGenericParams(decl);
|
|
});
|
|
printInherited(decl);
|
|
printDeclGenericRequirements(decl);
|
|
}
|
|
if (Options.TypeDefinitions) {
|
|
printMembersOfDecl(decl, false, true,
|
|
Options.BracketOptions.shouldCloseNominal(decl));
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitClassDecl(ClassDecl *decl) {
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
printAccess(decl);
|
|
|
|
if (Options.PrintOriginalSourceText && decl->getStartLoc().isValid()) {
|
|
ASTContext &Ctx = decl->getASTContext();
|
|
printSourceRange(CharSourceRange(Ctx.SourceMgr, decl->getStartLoc(),
|
|
decl->getBraces().Start.getAdvancedLoc(-1)), Ctx);
|
|
} else {
|
|
Printer.printIntroducerKeyword(
|
|
decl->isExplicitActor() ? "actor" : "class", Options, " ");
|
|
printContextIfNeeded(decl);
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(decl->getName(), getTypeMemberPrintNameContext(decl));
|
|
}, [&]{ // Signature
|
|
printGenericDeclGenericParams(decl);
|
|
});
|
|
|
|
printInherited(decl);
|
|
printDeclGenericRequirements(decl);
|
|
}
|
|
|
|
if (Options.TypeDefinitions) {
|
|
printMembersOfDecl(decl, false, true,
|
|
Options.BracketOptions.shouldCloseNominal(decl));
|
|
}
|
|
}
|
|
|
|
void PrintAST::printPrimaryAssociatedTypes(ProtocolDecl *decl) {
|
|
auto primaryAssocTypes = decl->getPrimaryAssociatedTypes();
|
|
if (primaryAssocTypes.empty())
|
|
return;
|
|
|
|
Printer.printStructurePre(PrintStructureKind::DeclGenericParameterClause);
|
|
|
|
Printer << "<";
|
|
llvm::interleave(
|
|
primaryAssocTypes,
|
|
[&](AssociatedTypeDecl *assocType) {
|
|
Printer.callPrintStructurePre(PrintStructureKind::GenericParameter,
|
|
assocType);
|
|
Printer.printTypeRef(assocType->getDeclaredInterfaceType(), assocType,
|
|
assocType->getName(),
|
|
PrintNameContext::GenericParameter);
|
|
Printer.printStructurePost(PrintStructureKind::GenericParameter,
|
|
assocType);
|
|
},
|
|
[&] { Printer << ", "; });
|
|
Printer << ">";
|
|
|
|
Printer.printStructurePost(PrintStructureKind::DeclGenericParameterClause);
|
|
}
|
|
|
|
void PrintAST::visitProtocolDecl(ProtocolDecl *decl) {
|
|
auto name = decl->getName();
|
|
if (Options.SuppressBitwiseCopyable &&
|
|
decl->getModuleContext()->isStdlibModule() &&
|
|
(decl->getNameStr() == "BitwiseCopyable")) {
|
|
name = decl->getASTContext().getIdentifier("_BitwiseCopyable");
|
|
}
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
printAccess(decl);
|
|
|
|
if (Options.PrintOriginalSourceText && decl->getStartLoc().isValid()) {
|
|
ASTContext &Ctx = decl->getASTContext();
|
|
printSourceRange(CharSourceRange(Ctx.SourceMgr, decl->getStartLoc(),
|
|
decl->getBraces().Start.getAdvancedLoc(-1)), Ctx);
|
|
} else {
|
|
Printer.printIntroducerKeyword("protocol", Options, " ");
|
|
printContextIfNeeded(decl);
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(name);
|
|
});
|
|
|
|
printPrimaryAssociatedTypes(decl);
|
|
printInheritedFromRequirementSignature(decl, decl);
|
|
|
|
// The trailing where clause is a syntactic thing, which isn't serialized
|
|
// (etc.) and thus isn't available for printing things out of
|
|
// already-compiled SIL modules. The requirement signature is available in
|
|
// such cases, so let's go with that when we can.
|
|
printWhereClauseFromRequirementSignature(decl, decl);
|
|
}
|
|
if (Options.TypeDefinitions) {
|
|
printMembersOfDecl(decl, false, true,
|
|
Options.BracketOptions.shouldCloseNominal(decl));
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitBuiltinTupleDecl(BuiltinTupleDecl *decl) {
|
|
llvm_unreachable("Not implemented");
|
|
}
|
|
|
|
static bool isStructOrClassContext(DeclContext *dc) {
|
|
auto *nominal = dc->getSelfNominalTypeDecl();
|
|
if (nominal == nullptr)
|
|
return false;
|
|
return isa<ClassDecl>(nominal) || isa<StructDecl>(nominal);
|
|
}
|
|
|
|
static bool isEscaping(Type type) {
|
|
if (auto *funcType = type->getAs<AnyFunctionType>()) {
|
|
if (funcType->getExtInfo().getRepresentation() ==
|
|
FunctionTypeRepresentation::CFunctionPointer)
|
|
return false;
|
|
|
|
return !funcType->getExtInfo().isNoEscape();
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static void printParameterFlags(ASTPrinter &printer,
|
|
const PrintOptions &options,
|
|
const ParamDecl *param,
|
|
ParameterTypeFlags flags,
|
|
bool escaping) {
|
|
if (!options.excludeAttrKind(TypeAttrKind::Autoclosure) &&
|
|
flags.isAutoClosure())
|
|
printer.printAttrName("@autoclosure ");
|
|
if (!options.excludeAttrKind(TypeAttrKind::NoDerivative) &&
|
|
flags.isNoDerivative())
|
|
printer.printAttrName("@noDerivative ");
|
|
|
|
switch (flags.getOwnershipSpecifier()) {
|
|
case ParamSpecifier::Default:
|
|
/*nothing*/
|
|
break;
|
|
case ParamSpecifier::InOut:
|
|
printer.printKeyword("inout", options, " ");
|
|
break;
|
|
case ParamSpecifier::Borrowing:
|
|
printer.printKeyword("borrowing", options, " ");
|
|
break;
|
|
case ParamSpecifier::Consuming:
|
|
printer.printKeyword("consuming", options, " ");
|
|
break;
|
|
case ParamSpecifier::LegacyShared:
|
|
printer.printKeyword("__shared", options, " ");
|
|
break;
|
|
case ParamSpecifier::LegacyOwned:
|
|
printer.printKeyword("__owned", options, " ");
|
|
break;
|
|
case ParamSpecifier::ImplicitlyCopyableConsuming:
|
|
// Nothing... we infer from sending.
|
|
assert(flags.isSending() && "Only valid when sending is enabled");
|
|
break;
|
|
}
|
|
|
|
if (flags.isSending()) {
|
|
if (!options.SuppressSendingArgsAndResults) {
|
|
printer.printAttrName("sending ");
|
|
} else if (flags.getOwnershipSpecifier() ==
|
|
ParamSpecifier::ImplicitlyCopyableConsuming) {
|
|
// Ok. We are suppressing sending. If our ownership specifier was
|
|
// originally implicitly copyable consuming our argument was being passed
|
|
// at +1. By not printing sending, we would be changing the API
|
|
// potentially to take the parameter at +0 instead of +1. To work around
|
|
// this, print out consuming so that we preserve the +1 parameter.
|
|
printer.printKeyword("__owned", options, " ");
|
|
}
|
|
}
|
|
|
|
if (flags.isIsolated()) {
|
|
if (!(param && param->getInterfaceType()->isOptional() &&
|
|
options.SuppressOptionalIsolatedParams))
|
|
printer.printKeyword("isolated", options, " ");
|
|
}
|
|
|
|
if (!options.excludeAttrKind(TypeAttrKind::Escaping) && escaping)
|
|
printer.printKeyword("@escaping", options, " ");
|
|
|
|
if (flags.isCompileTimeConst())
|
|
printer.printKeyword("_const", options, " ");
|
|
}
|
|
|
|
void PrintAST::visitVarDecl(VarDecl *decl) {
|
|
printDocumentationComment(decl);
|
|
// Print @_hasStorage when the attribute is not already
|
|
// on, decl has storage and it is on a class.
|
|
if (Options.PrintForSIL && decl->hasStorage() &&
|
|
isStructOrClassContext(decl->getDeclContext()) &&
|
|
!decl->getAttrs().hasAttribute<HasStorageAttr>())
|
|
Printer << "@_hasStorage ";
|
|
printAttributes(decl);
|
|
printAccess(decl);
|
|
if (decl->isStatic() && Options.PrintStaticKeyword)
|
|
printStaticKeyword(decl->getCorrectStaticSpelling());
|
|
if (decl->getKind() == DeclKind::Var || Options.PrintParameterSpecifiers) {
|
|
// Map all non-let specifiers to 'var'. This is not correct, but
|
|
// SourceKit relies on this for info about parameter decls.
|
|
|
|
Printer.printIntroducerKeyword(
|
|
decl->getIntroducer() == VarDecl::Introducer::Let ? "let" : "var",
|
|
Options, " ");
|
|
}
|
|
printContextIfNeeded(decl);
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(decl->getName(), getTypeMemberPrintNameContext(decl));
|
|
});
|
|
|
|
{
|
|
Printer.printStructurePre(PrintStructureKind::DeclResultTypeClause);
|
|
SWIFT_DEFER {
|
|
Printer.printStructurePost(PrintStructureKind::DeclResultTypeClause);
|
|
};
|
|
|
|
auto type = decl->getInterfaceType();
|
|
Printer << ": ";
|
|
TypeLoc tyLoc;
|
|
if (auto *repr = decl->getTypeReprOrParentPatternTypeRepr()) {
|
|
tyLoc = TypeLoc(repr, type);
|
|
} else {
|
|
tyLoc = TypeLoc::withoutLoc(type);
|
|
}
|
|
Printer.printDeclResultTypePre(decl, tyLoc);
|
|
|
|
// HACK: When printing result types for vars with opaque result types,
|
|
// always print them using the `some` keyword instead of printing
|
|
// the full stable reference.
|
|
llvm::SaveAndRestore<PrintOptions::OpaqueReturnTypePrintingMode>
|
|
x(Options.OpaqueReturnTypePrinting,
|
|
PrintOptions::OpaqueReturnTypePrintingMode::WithOpaqueKeyword);
|
|
|
|
printTypeLocForImplicitlyUnwrappedOptional(
|
|
tyLoc, decl->isImplicitlyUnwrappedOptional());
|
|
}
|
|
|
|
printAccessors(decl);
|
|
}
|
|
|
|
void PrintAST::visitParamDecl(ParamDecl *decl) {
|
|
visitVarDecl(decl);
|
|
}
|
|
|
|
void PrintAST::printOneParameter(const ParamDecl *param,
|
|
ParameterTypeFlags paramFlags,
|
|
bool ArgNameIsAPIByDefault) {
|
|
Printer.callPrintStructurePre(PrintStructureKind::FunctionParameter, param);
|
|
SWIFT_DEFER {
|
|
Printer.printStructurePost(PrintStructureKind::FunctionParameter, param);
|
|
};
|
|
|
|
auto printArgName = [&]() {
|
|
// Print argument name.
|
|
auto ArgName = param->getArgumentName();
|
|
auto BodyName = param->getName();
|
|
switch (Options.ArgAndParamPrinting) {
|
|
case PrintOptions::ArgAndParamPrintingMode::EnumElement:
|
|
if (ArgName.empty() && BodyName.empty() && !param->hasDefaultExpr()) {
|
|
// Don't print anything, in the style of a tuple element.
|
|
return;
|
|
}
|
|
// Else, print the argument only.
|
|
LLVM_FALLTHROUGH;
|
|
case PrintOptions::ArgAndParamPrintingMode::ArgumentOnly:
|
|
if (ArgName.empty() && !Options.PrintEmptyArgumentNames) {
|
|
return;
|
|
}
|
|
Printer.printName(ArgName, PrintNameContext::FunctionParameterExternal);
|
|
|
|
if (!ArgNameIsAPIByDefault && !ArgName.empty())
|
|
Printer << " _";
|
|
break;
|
|
case PrintOptions::ArgAndParamPrintingMode::MatchSource:
|
|
if (ArgName == BodyName && ArgNameIsAPIByDefault) {
|
|
Printer.printName(ArgName, PrintNameContext::FunctionParameterExternal);
|
|
break;
|
|
}
|
|
if (ArgName.empty() && !ArgNameIsAPIByDefault) {
|
|
Printer.printName(BodyName, PrintNameContext::FunctionParameterLocal);
|
|
break;
|
|
}
|
|
LLVM_FALLTHROUGH;
|
|
case PrintOptions::ArgAndParamPrintingMode::BothAlways:
|
|
Printer.printName(ArgName, PrintNameContext::FunctionParameterExternal);
|
|
Printer << " ";
|
|
Printer.printName(BodyName, PrintNameContext::FunctionParameterLocal);
|
|
break;
|
|
}
|
|
Printer << ": ";
|
|
};
|
|
|
|
printAttributes(param);
|
|
|
|
printArgName();
|
|
|
|
TypeLoc TheTypeLoc;
|
|
if (auto *repr = param->getTypeRepr()) {
|
|
TheTypeLoc = TypeLoc(repr, param->getInterfaceType());
|
|
} else {
|
|
TheTypeLoc = TypeLoc::withoutLoc(param->getInterfaceType());
|
|
}
|
|
|
|
{
|
|
Printer.printStructurePre(PrintStructureKind::FunctionParameterType);
|
|
SWIFT_DEFER {
|
|
Printer.printStructurePost(PrintStructureKind::FunctionParameterType);
|
|
};
|
|
if (!param->isVariadic() &&
|
|
!willUseTypeReprPrinting(TheTypeLoc, CurrentType, Options)) {
|
|
auto type = TheTypeLoc.getType();
|
|
printParameterFlags(Printer, Options, param, paramFlags,
|
|
isEscaping(type));
|
|
}
|
|
|
|
printTypeLocForImplicitlyUnwrappedOptional(
|
|
TheTypeLoc, param->isImplicitlyUnwrappedOptional());
|
|
}
|
|
|
|
if (param->isDefaultArgument() && Options.PrintDefaultArgumentValue) {
|
|
auto defaultArgKind = param->getDefaultArgumentKind();
|
|
if (param->isIsolated() &&
|
|
defaultArgKind == DefaultArgumentKind::ExpressionMacro &&
|
|
Options.SuppressOptionalIsolatedParams) {
|
|
// If we're suppressing optional isolated parameters, print
|
|
// 'nil' instead of '#isolation'
|
|
Printer << " = nil";
|
|
return;
|
|
}
|
|
|
|
Printer.callPrintStructurePre(PrintStructureKind::DefaultArgumentClause);
|
|
SWIFT_DEFER {
|
|
Printer.printStructurePost(PrintStructureKind::DefaultArgumentClause);
|
|
};
|
|
|
|
SmallString<128> scratch;
|
|
auto defaultArgStr = param->getDefaultValueStringRepresentation(scratch);
|
|
|
|
assert(!defaultArgStr.empty() && "empty default argument?");
|
|
Printer << " = ";
|
|
|
|
switch (param->getDefaultArgumentKind()) {
|
|
#define MAGIC_IDENTIFIER(NAME, STRING, SYNTAX_KIND) \
|
|
case DefaultArgumentKind::NAME:
|
|
#include "swift/AST/MagicIdentifierKinds.def"
|
|
Printer.printKeyword(defaultArgStr, Options);
|
|
break;
|
|
default:
|
|
Printer << defaultArgStr;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void PrintAST::printParameterList(ParameterList *PL,
|
|
ArrayRef<AnyFunctionType::Param> params,
|
|
bool isAPINameByDefault) {
|
|
Printer.printStructurePre(PrintStructureKind::FunctionParameterList);
|
|
SWIFT_DEFER {
|
|
Printer.printStructurePost(PrintStructureKind::FunctionParameterList);
|
|
};
|
|
Printer << "(";
|
|
const unsigned paramSize = params.size();
|
|
for (unsigned i = 0, e = PL->size(); i != e; ++i) {
|
|
if (i > 0)
|
|
Printer << ", ";
|
|
auto paramFlags = (i < paramSize)
|
|
? params[i].getParameterFlags()
|
|
: ParameterTypeFlags();
|
|
printOneParameter(PL->get(i), paramFlags,
|
|
isAPINameByDefault);
|
|
}
|
|
Printer << ")";
|
|
}
|
|
|
|
void PrintAST::printThrownErrorIfNecessary(const AbstractFunctionDecl *AFD) {
|
|
auto thrownType = AFD->getThrownInterfaceType();
|
|
if (!thrownType)
|
|
return;
|
|
|
|
auto errorType = AFD->getASTContext().getErrorExistentialType();
|
|
TypeRepr *thrownTypeRepr = AFD->getThrownTypeRepr();
|
|
if (!errorType || !thrownType->isEqual(errorType) ||
|
|
(thrownTypeRepr && Options.PreferTypeRepr)) {
|
|
Printer << "(";
|
|
TypeLoc thrownTyLoc(thrownTypeRepr, thrownType);
|
|
printTypeLoc(thrownTyLoc);
|
|
Printer << ")";
|
|
}
|
|
}
|
|
|
|
void PrintAST::printFunctionParameters(AbstractFunctionDecl *AFD) {
|
|
auto BodyParams = AFD->getParameters();
|
|
auto curTy = AFD->getInterfaceType();
|
|
|
|
// Skip over the implicit 'self'.
|
|
if (AFD->hasImplicitSelfDecl())
|
|
if (auto funTy = curTy->getAs<AnyFunctionType>())
|
|
curTy = funTy->getResult();
|
|
|
|
ArrayRef<AnyFunctionType::Param> parameterListTypes;
|
|
if (auto funTy = curTy->getAs<AnyFunctionType>())
|
|
parameterListTypes = funTy->getParams();
|
|
|
|
printParameterList(BodyParams, parameterListTypes,
|
|
AFD->argumentNameIsAPIByDefault());
|
|
|
|
if (AFD->hasAsync() || AFD->hasThrows()) {
|
|
Printer.printStructurePre(PrintStructureKind::EffectsSpecifiers);
|
|
SWIFT_DEFER {
|
|
Printer.printStructurePost(PrintStructureKind::EffectsSpecifiers);
|
|
};
|
|
if (AFD->hasAsync()) {
|
|
Printer << " ";
|
|
if (AFD->getAttrs().hasAttribute<ReasyncAttr>())
|
|
Printer.printKeyword("reasync", Options);
|
|
else
|
|
Printer.printKeyword("async", Options);
|
|
}
|
|
|
|
if (AFD->hasThrows()) {
|
|
if (AFD->getAttrs().hasAttribute<RethrowsAttr>())
|
|
Printer << " " << tok::kw_rethrows;
|
|
else {
|
|
Printer << " " << tok::kw_throws;
|
|
printThrownErrorIfNecessary(AFD);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool PrintAST::printASTNodes(const ArrayRef<ASTNode> &Elements,
|
|
bool NeedIndent) {
|
|
IndentRAII IndentMore(*this, NeedIndent);
|
|
bool PrintedSomething = false;
|
|
|
|
std::function<void(Decl *)> printDecl;
|
|
printDecl = [&](Decl *d) {
|
|
if (d->shouldPrintInContext(Options))
|
|
visit(d);
|
|
d->visitAuxiliaryDecls(printDecl);
|
|
};
|
|
|
|
for (auto element : Elements) {
|
|
PrintedSomething = true;
|
|
Printer.printNewline();
|
|
indent();
|
|
if (auto decl = element.dyn_cast<Decl*>()) {
|
|
printDecl(decl);
|
|
} else if (auto stmt = element.dyn_cast<Stmt*>()) {
|
|
visit(stmt);
|
|
} else {
|
|
visit(element.get<Expr*>());
|
|
}
|
|
}
|
|
return PrintedSomething;
|
|
}
|
|
|
|
void PrintAST::visitAccessorDecl(AccessorDecl *decl) {
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
// Explicitly print 'mutating' and 'nonmutating' if needed.
|
|
printSelfAccessKindModifiersIfNeeded(decl);
|
|
|
|
switch (auto kind = decl->getAccessorKind()) {
|
|
case AccessorKind::Get:
|
|
case AccessorKind::DistributedGet:
|
|
case AccessorKind::Address:
|
|
case AccessorKind::Read:
|
|
case AccessorKind::Modify:
|
|
case AccessorKind::DidSet:
|
|
case AccessorKind::MutableAddress:
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer << getAccessorLabel(decl->getAccessorKind());
|
|
});
|
|
break;
|
|
case AccessorKind::Set:
|
|
case AccessorKind::WillSet:
|
|
case AccessorKind::Init:
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer << getAccessorLabel(decl->getAccessorKind());
|
|
|
|
auto params = decl->getParameters();
|
|
if (params->size() != 0 && !params->get(0)->isImplicit()) {
|
|
auto Name = params->get(0)->getName();
|
|
if (!Name.empty()) {
|
|
Printer << "(";
|
|
Printer.printName(Name);
|
|
Printer << ")";
|
|
}
|
|
}
|
|
});
|
|
break;
|
|
}
|
|
|
|
// handle effects specifiers before the body
|
|
if (decl->hasAsync()) Printer << " async";
|
|
if (decl->hasThrows()) {
|
|
Printer << " throws";
|
|
printThrownErrorIfNecessary(decl);
|
|
}
|
|
|
|
printBodyIfNecessary(decl);
|
|
}
|
|
|
|
void PrintAST::visitFuncDecl(FuncDecl *decl) {
|
|
ASTContext &Ctx = decl->getASTContext();
|
|
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
printAccess(decl);
|
|
|
|
if (Options.PrintOriginalSourceText && decl->getStartLoc().isValid()) {
|
|
SourceLoc StartLoc = decl->getStartLoc();
|
|
SourceLoc EndLoc;
|
|
if (decl->getResultTypeRepr()) {
|
|
EndLoc = decl->getResultTypeSourceRange().End;
|
|
} else {
|
|
EndLoc = decl->getSignatureSourceRange().End;
|
|
}
|
|
CharSourceRange Range =
|
|
Lexer::getCharSourceRangeFromSourceRange(Ctx.SourceMgr,
|
|
SourceRange(StartLoc, EndLoc));
|
|
printSourceRange(Range, Ctx);
|
|
} else {
|
|
if (decl->isStatic() && Options.PrintStaticKeyword)
|
|
printStaticKeyword(decl->getCorrectStaticSpelling());
|
|
|
|
printSelfAccessKindModifiersIfNeeded(decl);
|
|
Printer.printIntroducerKeyword("func", Options, " ");
|
|
|
|
printContextIfNeeded(decl);
|
|
recordDeclLoc(decl,
|
|
[&]{ // Name
|
|
if (!decl->hasName()) {
|
|
Printer << "<anonymous>";
|
|
} else {
|
|
Printer.printName(decl->getBaseIdentifier(),
|
|
getTypeMemberPrintNameContext(decl));
|
|
if (decl->isOperator())
|
|
Printer << " ";
|
|
}
|
|
}, [&] { // Parameters
|
|
printGenericDeclGenericParams(decl);
|
|
printFunctionParameters(decl);
|
|
});
|
|
|
|
Type ResultTy = decl->getResultInterfaceType();
|
|
if (ResultTy && !ResultTy->isVoid()) {
|
|
Printer.printStructurePre(PrintStructureKind::DeclResultTypeClause);
|
|
SWIFT_DEFER {
|
|
Printer.printStructurePost(PrintStructureKind::DeclResultTypeClause);
|
|
};
|
|
TypeLoc ResultTyLoc(decl->getResultTypeRepr(), ResultTy);
|
|
|
|
// When printing a protocol requirement with types substituted for a
|
|
// conforming class, replace occurrences of the 'Self' generic parameter
|
|
// in the result type with DynamicSelfType, instead of the static
|
|
// conforming type.
|
|
auto *proto = dyn_cast<ProtocolDecl>(decl->getDeclContext());
|
|
if (proto && Options.TransformContext) {
|
|
auto BaseType = Options.TransformContext->getBaseType();
|
|
if (BaseType->getClassOrBoundGenericClass()) {
|
|
ResultTy = ResultTy.subst(
|
|
[&](Type t) -> Type {
|
|
if (t->isEqual(proto->getSelfInterfaceType()))
|
|
return DynamicSelfType::get(t, Ctx);
|
|
return t;
|
|
},
|
|
MakeAbstractConformanceForGenericType());
|
|
ResultTyLoc = TypeLoc::withoutLoc(ResultTy);
|
|
}
|
|
}
|
|
|
|
// FIXME: Hacky way to workaround the fact that 'Self' as return
|
|
// TypeRepr is not getting 'typechecked'. See
|
|
// \c resolveTopLevelIdentTypeComponent function in TypeCheckType.cpp.
|
|
if (ResultTyLoc.getTypeRepr() &&
|
|
ResultTyLoc.getTypeRepr()->isSimpleUnqualifiedIdentifier(
|
|
Ctx.Id_Self)) {
|
|
ResultTyLoc = TypeLoc::withoutLoc(ResultTy);
|
|
}
|
|
Printer << " -> ";
|
|
|
|
Printer.printDeclResultTypePre(decl, ResultTyLoc);
|
|
Printer.callPrintStructurePre(PrintStructureKind::FunctionReturnType);
|
|
{
|
|
if (auto *typeRepr = dyn_cast_or_null<LifetimeDependentTypeRepr>(
|
|
decl->getResultTypeRepr())) {
|
|
for (auto &dep : typeRepr->getLifetimeDependencies()) {
|
|
Printer << " " << dep.getLifetimeDependenceSpecifierString() << " ";
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!Options.SuppressSendingArgsAndResults) {
|
|
if (decl->hasSendingResult()) {
|
|
Printer << "sending ";
|
|
} else if (auto *ft = llvm::dyn_cast_if_present<AnyFunctionType>(
|
|
decl->getInterfaceType())) {
|
|
if (ft->hasExtInfo() && ft->hasSendingResult()) {
|
|
Printer << "sending ";
|
|
}
|
|
}
|
|
}
|
|
|
|
// HACK: When printing result types for funcs with opaque result types,
|
|
// always print them using the `some` keyword instead of printing
|
|
// the full stable reference.
|
|
llvm::SaveAndRestore<PrintOptions::OpaqueReturnTypePrintingMode>
|
|
x(Options.OpaqueReturnTypePrinting,
|
|
PrintOptions::OpaqueReturnTypePrintingMode::WithOpaqueKeyword);
|
|
|
|
printTypeLocForImplicitlyUnwrappedOptional(
|
|
ResultTyLoc, decl->isImplicitlyUnwrappedOptional());
|
|
Printer.printStructurePost(PrintStructureKind::FunctionReturnType);
|
|
}
|
|
printDeclGenericRequirements(decl);
|
|
}
|
|
|
|
printBodyIfNecessary(decl);
|
|
|
|
// If the function has an opaque result type, print the opaque type decl.
|
|
if (auto opaqueResult = decl->getOpaqueResultTypeDecl()) {
|
|
Printer.printNewline();
|
|
visit(opaqueResult);
|
|
}
|
|
}
|
|
|
|
void PrintAST::printEnumElement(EnumElementDecl *elt) {
|
|
recordDeclLoc(elt,
|
|
[&]{
|
|
Printer.printName(elt->getBaseIdentifier(),
|
|
getTypeMemberPrintNameContext(elt));
|
|
});
|
|
|
|
if (auto *PL = elt->getParameterList()) {
|
|
llvm::SaveAndRestore<PrintOptions::ArgAndParamPrintingMode>
|
|
mode(Options.ArgAndParamPrinting,
|
|
PrintOptions::ArgAndParamPrintingMode::EnumElement);
|
|
|
|
|
|
auto params = ArrayRef<AnyFunctionType::Param>();
|
|
if (!elt->isInvalid()) {
|
|
// Walk to the params of the associated values.
|
|
// (EnumMetaType) -> (AssocValues) -> Enum
|
|
auto type = elt->getInterfaceType();
|
|
params = type->castTo<AnyFunctionType>()
|
|
->getResult()
|
|
->castTo<AnyFunctionType>()
|
|
->getParams();
|
|
}
|
|
|
|
// @escaping is not valid in enum element position, even though the
|
|
// attribute is implicitly added. Ignore it when printing the parameters.
|
|
Options.ExcludeAttrList.push_back(TypeAttrKind::Escaping);
|
|
printParameterList(PL, params,
|
|
/*isAPINameByDefault*/true);
|
|
Options.ExcludeAttrList.pop_back();
|
|
}
|
|
|
|
switch (Options.EnumRawValues) {
|
|
case PrintOptions::EnumRawValueMode::Skip:
|
|
return;
|
|
case PrintOptions::EnumRawValueMode::PrintObjCOnly:
|
|
if (!elt->isObjC())
|
|
return;
|
|
break;
|
|
case PrintOptions::EnumRawValueMode::Print:
|
|
break;
|
|
}
|
|
|
|
auto *raw = elt->getStructuralRawValueExpr();
|
|
if (!raw || raw->isImplicit())
|
|
return;
|
|
|
|
// Print the explicit raw value expression.
|
|
Printer << " = ";
|
|
switch (raw->getKind()) {
|
|
case ExprKind::IntegerLiteral:
|
|
case ExprKind::FloatLiteral: {
|
|
auto *numLiteral = cast<NumberLiteralExpr>(raw);
|
|
Printer.callPrintStructurePre(PrintStructureKind::NumberLiteral);
|
|
if (numLiteral->isNegative())
|
|
Printer << "-";
|
|
Printer << numLiteral->getDigitsText();
|
|
Printer.printStructurePost(PrintStructureKind::NumberLiteral);
|
|
break;
|
|
}
|
|
case ExprKind::StringLiteral: {
|
|
Printer.callPrintStructurePre(PrintStructureKind::StringLiteral);
|
|
llvm::SmallString<32> str;
|
|
llvm::raw_svector_ostream os(str);
|
|
os << QuotedString(cast<StringLiteralExpr>(raw)->getValue());
|
|
Printer << str;
|
|
Printer.printStructurePost(PrintStructureKind::StringLiteral);
|
|
break;
|
|
}
|
|
default:
|
|
break; // Incorrect raw value; skip it for error recovery.
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitEnumCaseDecl(EnumCaseDecl *decl) {
|
|
if (auto *element = decl->getFirstElement()) {
|
|
// Documentation comments over the case are attached to the enum elements.
|
|
printDocumentationComment(element);
|
|
printAttributes(element);
|
|
}
|
|
Printer.printIntroducerKeyword("case", Options, " ");
|
|
|
|
auto elems = decl->getElements();
|
|
llvm::interleave(elems.begin(), elems.end(),
|
|
[&](EnumElementDecl *elt) {
|
|
printEnumElement(elt);
|
|
},
|
|
[&] { Printer << ", "; });
|
|
}
|
|
|
|
void PrintAST::visitEnumElementDecl(EnumElementDecl *decl) {
|
|
printDocumentationComment(decl);
|
|
// In cases where there is no parent EnumCaseDecl (such as imported or
|
|
// deserialized elements), print the element independently.
|
|
printAttributes(decl);
|
|
Printer.printIntroducerKeyword("case", Options, " ");
|
|
printEnumElement(decl);
|
|
}
|
|
|
|
void PrintAST::visitSubscriptDecl(SubscriptDecl *decl) {
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
printAccess(decl);
|
|
if (decl->isStatic() && Options.PrintStaticKeyword)
|
|
printStaticKeyword(decl->getCorrectStaticSpelling());
|
|
printContextIfNeeded(decl);
|
|
recordDeclLoc(decl, [&]{
|
|
Printer << "subscript";
|
|
}, [&] { // Parameters
|
|
printGenericDeclGenericParams(decl);
|
|
auto params = ArrayRef<AnyFunctionType::Param>();
|
|
if (!decl->isInvalid()) {
|
|
// Walk to the params of the subscript's indices.
|
|
auto type = decl->getInterfaceType();
|
|
params = type->castTo<AnyFunctionType>()->getParams();
|
|
}
|
|
printParameterList(decl->getIndices(), params,
|
|
/*isAPINameByDefault*/false);
|
|
});
|
|
|
|
{
|
|
Printer.printStructurePre(PrintStructureKind::DeclResultTypeClause);
|
|
SWIFT_DEFER {
|
|
Printer.printStructurePost(PrintStructureKind::DeclResultTypeClause);
|
|
};
|
|
|
|
Printer << " -> ";
|
|
|
|
TypeLoc elementTy(decl->getElementTypeRepr(),
|
|
decl->getElementInterfaceType());
|
|
Printer.printDeclResultTypePre(decl, elementTy);
|
|
Printer.callPrintStructurePre(PrintStructureKind::FunctionReturnType);
|
|
|
|
// HACK: When printing result types for subscripts with opaque result types,
|
|
// always print them using the `some` keyword instead of printing
|
|
// the full stable reference.
|
|
llvm::SaveAndRestore<PrintOptions::OpaqueReturnTypePrintingMode>
|
|
x(Options.OpaqueReturnTypePrinting,
|
|
PrintOptions::OpaqueReturnTypePrintingMode::WithOpaqueKeyword);
|
|
|
|
printTypeLocForImplicitlyUnwrappedOptional(
|
|
elementTy, decl->isImplicitlyUnwrappedOptional());
|
|
Printer.printStructurePost(PrintStructureKind::FunctionReturnType);
|
|
}
|
|
|
|
printDeclGenericRequirements(decl);
|
|
printAccessors(decl);
|
|
}
|
|
|
|
void PrintAST::visitConstructorDecl(ConstructorDecl *decl) {
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
printAccess(decl);
|
|
|
|
if ((decl->getInitKind() == CtorInitializerKind::Convenience ||
|
|
decl->getInitKind() == CtorInitializerKind::ConvenienceFactory) &&
|
|
!decl->getAttrs().hasAttribute<ConvenienceAttr>()) {
|
|
// Protocol extension initializers are modeled as convenience initializers,
|
|
// but they're not written that way in source. Check if we're actually
|
|
// printing onto a class.
|
|
ClassDecl *classDecl = CurrentType
|
|
? CurrentType->getClassOrBoundGenericClass()
|
|
: decl->getDeclContext()->getSelfClassDecl();
|
|
if (classDecl) {
|
|
// Convenience intializers are also unmarked on actors.
|
|
if (!classDecl->isActor())
|
|
Printer.printKeyword("convenience", Options, " ");
|
|
} else {
|
|
assert(decl->getDeclContext()->getExtendedProtocolDecl() &&
|
|
"unexpected convenience initializer");
|
|
}
|
|
} else if (decl->getInitKind() == CtorInitializerKind::Factory) {
|
|
if (Options.PrintFactoryInitializerComment) {
|
|
Printer << "/*not inherited*/ ";
|
|
}
|
|
}
|
|
|
|
printContextIfNeeded(decl);
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer << "init";
|
|
}, [&] { // Signature
|
|
if (decl->isFailable()) {
|
|
if (decl->isImplicitlyUnwrappedOptional())
|
|
Printer << "!";
|
|
else
|
|
Printer << "?";
|
|
}
|
|
|
|
printGenericDeclGenericParams(decl);
|
|
printFunctionParameters(decl);
|
|
if (decl->hasLifetimeDependentReturn()) {
|
|
Printer << " -> ";
|
|
auto *typeRepr =
|
|
cast<LifetimeDependentTypeRepr>(decl->getResultTypeRepr());
|
|
for (auto &dep : typeRepr->getLifetimeDependencies()) {
|
|
Printer << dep.getLifetimeDependenceSpecifierString() << " ";
|
|
}
|
|
// TODO: Handle failable initializers with lifetime dependent returns
|
|
Printer << "Self";
|
|
}
|
|
});
|
|
|
|
printDeclGenericRequirements(decl);
|
|
|
|
printBodyIfNecessary(decl);
|
|
}
|
|
|
|
void PrintAST::visitDestructorDecl(DestructorDecl *decl) {
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
printContextIfNeeded(decl);
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer << "deinit";
|
|
});
|
|
|
|
printBodyIfNecessary(decl);
|
|
}
|
|
|
|
void PrintAST::visitInfixOperatorDecl(InfixOperatorDecl *decl) {
|
|
Printer.printKeyword("infix", Options, " ");
|
|
Printer.printIntroducerKeyword("operator", Options, " ");
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(decl->getName());
|
|
});
|
|
if (auto *group = decl->getPrecedenceGroup())
|
|
Printer << " : " << group->getName();
|
|
}
|
|
|
|
void PrintAST::visitPrecedenceGroupDecl(PrecedenceGroupDecl *decl) {
|
|
Printer.printIntroducerKeyword("precedencegroup", Options, " ");
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(decl->getName());
|
|
});
|
|
Printer << " {";
|
|
Printer.printNewline();
|
|
{
|
|
IndentRAII indentMore(*this);
|
|
if (!decl->isAssociativityImplicit() ||
|
|
!decl->isNonAssociative()) {
|
|
indent();
|
|
Printer.printKeyword("associativity", Options, ": ");
|
|
switch (decl->getAssociativity()) {
|
|
case Associativity::None:
|
|
Printer.printKeyword("none", Options);
|
|
break;
|
|
case Associativity::Left:
|
|
Printer.printKeyword("left", Options);
|
|
break;
|
|
case Associativity::Right:
|
|
Printer.printKeyword("right", Options);
|
|
break;
|
|
}
|
|
Printer.printNewline();
|
|
}
|
|
if (!decl->isAssignmentImplicit() ||
|
|
decl->isAssignment()) {
|
|
indent();
|
|
Printer.printKeyword("assignment", Options, ": ");
|
|
Printer.printKeyword(decl->isAssignment() ? "true" : "false", Options);
|
|
Printer.printNewline();
|
|
}
|
|
if (!decl->getHigherThan().empty()) {
|
|
indent();
|
|
Printer.printKeyword("higherThan", Options, ": ");
|
|
if (!decl->getHigherThan().empty()) {
|
|
Printer << decl->getHigherThan()[0].Name;
|
|
for (auto &rel : decl->getHigherThan().slice(1))
|
|
Printer << ", " << rel.Name;
|
|
}
|
|
Printer.printNewline();
|
|
}
|
|
if (!decl->getLowerThan().empty()) {
|
|
indent();
|
|
Printer.printKeyword("lowerThan", Options, ": ");
|
|
if (!decl->getLowerThan().empty()) {
|
|
Printer << decl->getLowerThan()[0].Name;
|
|
for (auto &rel : decl->getLowerThan().slice(1))
|
|
Printer << ", " << rel.Name;
|
|
}
|
|
Printer.printNewline();
|
|
}
|
|
}
|
|
indent();
|
|
Printer << "}";
|
|
}
|
|
|
|
void PrintAST::visitPrefixOperatorDecl(PrefixOperatorDecl *decl) {
|
|
Printer.printKeyword("prefix", Options, " ");
|
|
Printer.printIntroducerKeyword("operator", Options, " ");
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(decl->getName());
|
|
});
|
|
}
|
|
|
|
void PrintAST::visitPostfixOperatorDecl(PostfixOperatorDecl *decl) {
|
|
Printer.printKeyword("postfix", Options, " ");
|
|
Printer.printIntroducerKeyword("operator", Options, " ");
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(decl->getName());
|
|
});
|
|
}
|
|
|
|
void PrintAST::visitModuleDecl(ModuleDecl *decl) {
|
|
|
|
}
|
|
|
|
void PrintAST::visitMissingDecl(MissingDecl *missing) {
|
|
Printer << "missing_decl";
|
|
}
|
|
|
|
void PrintAST::visitMissingMemberDecl(MissingMemberDecl *decl) {
|
|
Printer << "/* placeholder for ";
|
|
recordDeclLoc(decl, [&]{ Printer << decl->getName(); });
|
|
unsigned numVTableEntries = decl->getNumberOfVTableEntries();
|
|
if (numVTableEntries > 0)
|
|
Printer << " (vtable entries: " << numVTableEntries << ")";
|
|
unsigned numFieldOffsetVectorEntries = decl->getNumberOfFieldOffsetVectorEntries();
|
|
if (numFieldOffsetVectorEntries > 0)
|
|
Printer << " (field offsets: " << numFieldOffsetVectorEntries << ")";
|
|
Printer << " */";
|
|
}
|
|
|
|
void PrintAST::visitMacroDecl(MacroDecl *decl) {
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
printAccess(decl);
|
|
|
|
Printer.printIntroducerKeyword("macro", Options, " ");
|
|
printContextIfNeeded(decl);
|
|
|
|
recordDeclLoc(
|
|
decl,
|
|
[&]{
|
|
Printer.printName(
|
|
decl->getBaseIdentifier(),
|
|
getTypeMemberPrintNameContext(decl));
|
|
},
|
|
[&] {
|
|
printGenericDeclGenericParams(decl);
|
|
if (decl->parameterList) {
|
|
auto params = ArrayRef<AnyFunctionType::Param>();
|
|
if (!decl->isInvalid()) {
|
|
// Walk to the params of the subscript's indices.
|
|
auto type = decl->getInterfaceType();
|
|
params = type->castTo<AnyFunctionType>()->getParams();
|
|
}
|
|
printParameterList(
|
|
decl->parameterList, params, /*isAPINameByDefault*/true);
|
|
}
|
|
}
|
|
);
|
|
|
|
if (decl->resultType.getTypeRepr() ||
|
|
!decl->getResultInterfaceType()->isVoid()) {
|
|
Printer.printStructurePre(PrintStructureKind::DeclResultTypeClause);
|
|
SWIFT_DEFER {
|
|
Printer.printStructurePost(PrintStructureKind::DeclResultTypeClause);
|
|
};
|
|
|
|
Printer << " -> ";
|
|
|
|
TypeLoc resultTypeLoc(
|
|
decl->resultType.getTypeRepr(), decl->getResultInterfaceType());
|
|
|
|
Printer.printDeclResultTypePre(decl, resultTypeLoc);
|
|
Printer.callPrintStructurePre(PrintStructureKind::FunctionReturnType);
|
|
printTypeLocWithOptions(resultTypeLoc, Options);
|
|
Printer.printStructurePost(PrintStructureKind::FunctionReturnType);
|
|
}
|
|
|
|
if (Options.PrintMacroDefinitions) {
|
|
if (decl->definition) {
|
|
ASTContext &ctx = decl->getASTContext();
|
|
SmallString<64> scratch;
|
|
Printer << " = "
|
|
<< extractInlinableText(ctx.SourceMgr, decl->definition, scratch);
|
|
} else {
|
|
auto def = decl->getDefinition();
|
|
switch (def.kind) {
|
|
case MacroDefinition::Kind::Invalid:
|
|
case MacroDefinition::Kind::Undefined:
|
|
// Nothing to do.
|
|
break;
|
|
|
|
case MacroDefinition::Kind::External: {
|
|
auto external = def.getExternalMacro();
|
|
Printer << " = #externalMacro(module: \"" << external.moduleName
|
|
<< "\", " << "type: \"" << external.macroTypeName << "\")";
|
|
break;
|
|
}
|
|
|
|
case MacroDefinition::Kind::Builtin:
|
|
Printer << " = Builtin.";
|
|
switch (def.getBuiltinKind()) {
|
|
case BuiltinMacroKind::ExternalMacro:
|
|
Printer << "ExternalMacro";
|
|
break;
|
|
case BuiltinMacroKind::IsolationMacro:
|
|
Printer << "IsolationMacro";
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case MacroDefinition::Kind::Expanded:
|
|
Printer << " = " << def.getExpanded().getExpansionText();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
printDeclGenericRequirements(decl);
|
|
}
|
|
|
|
void PrintAST::visitMacroExpansionDecl(MacroExpansionDecl *decl) {
|
|
Printer << '#' << decl->getMacroName();
|
|
Printer << '(';
|
|
auto args = decl->getArgs()->getOriginalArgs();
|
|
bool isFirst = true;
|
|
// FIXME: handle trailing closures.
|
|
for (auto arg : *args) {
|
|
if (!isFirst) {
|
|
Printer << ", ";
|
|
}
|
|
printArgument(arg);
|
|
isFirst = false;
|
|
}
|
|
Printer << ')';
|
|
}
|
|
|
|
void PrintAST::visitIntegerLiteralExpr(IntegerLiteralExpr *expr) {
|
|
Printer << expr->getDigitsText();
|
|
}
|
|
|
|
void PrintAST::visitFloatLiteralExpr(FloatLiteralExpr *expr) {
|
|
Printer << expr->getDigitsText();
|
|
}
|
|
|
|
void PrintAST::visitNilLiteralExpr(NilLiteralExpr *expr) {
|
|
Printer << "nil";
|
|
}
|
|
|
|
void PrintAST::visitStringLiteralExpr(StringLiteralExpr *expr) {
|
|
Printer << "\"" << expr->getValue() << "\"";
|
|
}
|
|
|
|
void PrintAST::visitBooleanLiteralExpr(BooleanLiteralExpr *expr) {
|
|
if (expr->getValue()) {
|
|
Printer << "true";
|
|
} else {
|
|
Printer << "false";
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitRegexLiteralExpr(RegexLiteralExpr *expr) {
|
|
Printer << expr->getRegexText();
|
|
}
|
|
|
|
void PrintAST::visitErrorExpr(ErrorExpr *expr) {
|
|
Printer << "<error>";
|
|
}
|
|
|
|
void PrintAST::visitTernaryExpr(TernaryExpr *expr) {
|
|
if (auto condExpr = expr->getCondExpr()) {
|
|
visit(expr->getCondExpr());
|
|
}
|
|
Printer << " ? ";
|
|
visit(expr->getThenExpr());
|
|
Printer << " : ";
|
|
if (auto elseExpr = expr->getElseExpr()) {
|
|
visit(expr->getElseExpr());
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitIsExpr(IsExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
Printer << " is ";
|
|
printType(expr->getCastType());
|
|
}
|
|
|
|
void PrintAST::visitTapExpr(TapExpr *expr) {
|
|
|
|
}
|
|
|
|
void PrintAST::visitTryExpr(TryExpr *expr) {
|
|
Printer << "try ";
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitCallExpr(CallExpr *expr) {
|
|
visit(expr->getFn());
|
|
printArgumentList(expr->getArgs()->getOriginalArgs());
|
|
}
|
|
|
|
void PrintAST::printArgument(const Argument &arg) {
|
|
auto label = arg.getLabel();
|
|
if (!label.empty()) {
|
|
Printer << label.str();
|
|
Printer << ": ";
|
|
}
|
|
if (arg.isInOut()) {
|
|
Printer << "&";
|
|
}
|
|
visit(arg.getExpr());
|
|
}
|
|
|
|
void PrintAST::printArgumentList(ArgumentList *args, bool forSubscript) {
|
|
Printer << (!forSubscript ? "(" : "[");
|
|
llvm::interleave(args->begin(), args->end(), [&](Argument arg) {
|
|
printArgument(arg);
|
|
}, [&] {
|
|
Printer << ", ";
|
|
});
|
|
Printer << (!forSubscript ? ")" : "]");
|
|
}
|
|
|
|
void PrintAST::visitLoadExpr(LoadExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitTypeExpr(TypeExpr *expr) {
|
|
if (auto metaType = expr->getType()->castTo<AnyMetatypeType>()) {
|
|
// Don't print `.Type` for an expr.
|
|
printType(metaType->getInstanceType());
|
|
} else {
|
|
printType(expr->getType());
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitArrayExpr(ArrayExpr *expr) {
|
|
Printer << "[";
|
|
bool isFirst = true;
|
|
auto elements = expr->getElements();
|
|
for (auto element : elements) {
|
|
if (!isFirst) {
|
|
Printer << ", ";
|
|
}
|
|
visit(element);
|
|
isFirst = false;
|
|
}
|
|
Printer << "]";
|
|
}
|
|
|
|
void PrintAST::visitDictionaryExpr(DictionaryExpr *expr) {
|
|
Printer << "[";
|
|
bool isFirst = true;
|
|
auto elements = expr->getElements();
|
|
for (auto element : elements) {
|
|
auto *tupleExpr = cast<TupleExpr>(element);
|
|
if (!isFirst) {
|
|
Printer << ", ";
|
|
}
|
|
visit(tupleExpr->getElement(0));
|
|
Printer << ": ";
|
|
visit(tupleExpr->getElement(1));
|
|
isFirst = false;
|
|
}
|
|
Printer << "]";
|
|
}
|
|
|
|
void PrintAST::visitArrowExpr(ArrowExpr *expr) {
|
|
visit(expr->getArgsExpr());
|
|
if (expr->getAsyncLoc().isValid()) {
|
|
Printer << " async";
|
|
}
|
|
if (expr->getThrowsLoc().isValid()) {
|
|
Printer << " throws";
|
|
}
|
|
Printer << " -> ";
|
|
visit(expr->getResultExpr());
|
|
}
|
|
|
|
void PrintAST::visitAwaitExpr(AwaitExpr *expr) {
|
|
Printer << "await ";
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitConsumeExpr(ConsumeExpr *expr) {
|
|
Printer << "consume ";
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitCopyExpr(CopyExpr *expr) {
|
|
Printer << "copy ";
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitBorrowExpr(BorrowExpr *expr) {
|
|
Printer << "borrow ";
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitInOutExpr(InOutExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitParenExpr(ParenExpr *expr) {
|
|
Printer << "(";
|
|
visit(expr->getSubExpr());
|
|
Printer << ")";
|
|
}
|
|
|
|
void PrintAST::visitTupleExpr(TupleExpr *expr) {
|
|
Printer << "(";
|
|
bool isFirst = true;
|
|
auto elements = expr->getElements();
|
|
for (auto element : elements) {
|
|
if (!isFirst) {
|
|
Printer << ", ";
|
|
}
|
|
visit(element);
|
|
isFirst = false;
|
|
}
|
|
Printer << ")";
|
|
}
|
|
|
|
void PrintAST::visitTypeJoinExpr(TypeJoinExpr *expr) {
|
|
llvm_unreachable("Not representable in source code");
|
|
}
|
|
|
|
void PrintAST::visitAssignExpr(AssignExpr *expr) {
|
|
visit(expr->getDest());
|
|
Printer << " = ";
|
|
visit(expr->getSrc());
|
|
}
|
|
|
|
void PrintAST::visitBinaryExpr(BinaryExpr *expr) {
|
|
visit(expr->getLHS());
|
|
Printer << " ";
|
|
if (auto operatorRef = expr->getFn()->getMemberOperatorRef()) {
|
|
Printer << operatorRef->getDecl()->getBaseName();
|
|
} else if (auto *operatorRef = dyn_cast<DeclRefExpr>(expr->getFn())) {
|
|
Printer << operatorRef->getDecl()->getBaseName();
|
|
}
|
|
Printer << " ";
|
|
visit(expr->getRHS());
|
|
}
|
|
|
|
void PrintAST::visitCoerceExpr(CoerceExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
Printer << " as ";
|
|
printType(expr->getCastType());
|
|
}
|
|
|
|
void PrintAST::visitOneWayExpr(OneWayExpr *expr) {
|
|
llvm_unreachable("Not representable in source code");
|
|
}
|
|
|
|
void PrintAST::printClosure(AbstractClosureExpr *closure, CaptureListExpr *captureList) {
|
|
|
|
}
|
|
|
|
void PrintAST::visitClosureExpr(ClosureExpr *expr) {
|
|
Printer << "{ ";
|
|
if (auto parameters = expr->getParameters()) {
|
|
Printer << "(";
|
|
bool isFirst = true;
|
|
for (auto ¶meter: *parameters) {
|
|
if (!isFirst) {
|
|
Printer << ", ";
|
|
}
|
|
visit(parameter);
|
|
isFirst = false;
|
|
}
|
|
Printer << ") ";
|
|
if (expr->hasExplicitResultType()) {
|
|
Printer << "-> ";
|
|
printType(expr->getExplicitResultType());
|
|
Printer << " ";
|
|
}
|
|
Printer << "in " << '\n';
|
|
}
|
|
auto body = expr->getBody()->getElements();
|
|
printASTNodes(body);
|
|
Printer << "\n}";
|
|
}
|
|
|
|
void PrintAST::visitDeclRefExpr(DeclRefExpr *expr) {
|
|
Printer << expr->getDecl()->getBaseName();
|
|
}
|
|
|
|
void PrintAST::visitDotSelfExpr(DotSelfExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
Printer << ".self";
|
|
}
|
|
|
|
void PrintAST::visitErasureExpr(ErasureExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::printKeyPathComponents(KeyPathExpr *expr, ArrayRef<KeyPathExpr::Component> components) {
|
|
using ComponentKind = KeyPathExpr::Component::Kind;
|
|
|
|
if (!components.empty()) {
|
|
for (auto &component: components) {
|
|
auto kind = component.getKind();
|
|
|
|
switch (kind) {
|
|
case ComponentKind::Invalid: {
|
|
break;
|
|
}
|
|
case ComponentKind::UnresolvedProperty: {
|
|
Printer << component.getUnresolvedDeclName();
|
|
break;
|
|
}
|
|
case ComponentKind::UnresolvedSubscript: {
|
|
auto args = component.getSubscriptArgs();
|
|
printArgumentList(args, /*forSubscript*/ true);
|
|
break;
|
|
}
|
|
case ComponentKind::Property: {
|
|
Printer << component.getUnresolvedDeclName();
|
|
break;
|
|
}
|
|
case ComponentKind::Subscript: {
|
|
auto args = component.getSubscriptArgs();
|
|
printArgumentList(args, /*forSubscript*/ true);
|
|
break;
|
|
}
|
|
case ComponentKind::OptionalForce: {
|
|
Printer << "!";
|
|
break;
|
|
}
|
|
case ComponentKind::OptionalChain: {
|
|
Printer << "?";
|
|
break;
|
|
}
|
|
case ComponentKind::OptionalWrap: {
|
|
break;
|
|
}
|
|
case ComponentKind::Identity: {
|
|
Printer << "self";
|
|
break;
|
|
}
|
|
case ComponentKind::TupleElement: {
|
|
Printer << component.getTupleIndex();
|
|
break;
|
|
}
|
|
case ComponentKind::DictionaryKey: {
|
|
Printer << component.getUnresolvedDeclName();
|
|
break;
|
|
}
|
|
case ComponentKind::CodeCompletion: {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
visit(expr->getParsedPath());
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitKeyPathExpr(KeyPathExpr *expr) {
|
|
// FIXME: The individual components are good, but printKeyPathComponents is not being called into for regular key paths, and missing the dots between components.
|
|
if (expr->isObjC()) {
|
|
Printer << "#keyPath(";
|
|
printKeyPathComponents(expr, expr->getComponents());
|
|
Printer << ")";
|
|
} else if (auto rootType = expr->getRootType()) {
|
|
Printer << "\\";
|
|
printType(rootType);
|
|
} else {
|
|
visit(expr->getParsedRoot());
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitSingleValueStmtExpr(SingleValueStmtExpr *expr) {
|
|
visit(expr->getStmt());
|
|
}
|
|
|
|
void PrintAST::visitForceTryExpr(ForceTryExpr *expr) {
|
|
Printer << "try! ";
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitSequenceExpr(SequenceExpr *expr) {
|
|
auto elements = expr->getElements();
|
|
llvm::interleave(elements, [&](Expr* element) {
|
|
visit(element);
|
|
}, [&] {
|
|
Printer << " ";
|
|
});
|
|
}
|
|
|
|
void PrintAST::visitSuperRefExpr(SuperRefExpr *expr) {
|
|
Printer << "super";
|
|
}
|
|
|
|
void PrintAST::visitMemberRefExpr(MemberRefExpr *expr) {
|
|
visit(expr->getBase());
|
|
Printer << ".";
|
|
Printer << expr->getMember().getDecl()->getName();
|
|
}
|
|
|
|
void PrintAST::visitSubscriptExpr(SubscriptExpr *expr) {
|
|
visit(expr->getBase());
|
|
printArgumentList(expr->getArgs()->getOriginalArgs(), /*forSubscript*/ true);
|
|
}
|
|
|
|
void PrintAST::visitEnumIsCaseExpr(EnumIsCaseExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
Printer << " is ";
|
|
printTypeLoc(expr->getCaseTypeRepr());
|
|
}
|
|
|
|
void PrintAST::visitForceValueExpr(ForceValueExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
Printer << "!";
|
|
}
|
|
|
|
void PrintAST::visitCurrentContextIsolationExpr(
|
|
CurrentContextIsolationExpr *expr) {
|
|
if (auto actor = expr->getActor())
|
|
visit(actor);
|
|
}
|
|
|
|
void PrintAST::visitKeyPathDotExpr(KeyPathDotExpr *expr) {
|
|
Printer << ".";
|
|
}
|
|
|
|
void PrintAST::visitAutoClosureExpr(AutoClosureExpr *expr) {
|
|
visit(expr->getSingleExpressionBody());
|
|
}
|
|
|
|
void PrintAST::visitCaptureListExpr(CaptureListExpr *expr) {
|
|
// FIXME: This should be moved into `printClosure` and merged with the closure.
|
|
// Printing implementation.
|
|
auto captureList = expr->getCaptureList();
|
|
Printer << "[";
|
|
auto isFirst = true;
|
|
for (auto &par: captureList) {
|
|
if (!isFirst) {
|
|
Printer << ", ";
|
|
}
|
|
printAttributes(par.getVar());
|
|
Printer << par.getVar()->getName();
|
|
for (auto init: par.PBD->initializers()) {
|
|
auto initName = init->getReferencedDecl().getDecl()->getName();
|
|
if (initName != par.getVar()->getName())
|
|
Printer << " = " << initName;
|
|
}
|
|
isFirst = false;
|
|
}
|
|
Printer << "]";
|
|
}
|
|
|
|
void PrintAST::visitDynamicTypeExpr(DynamicTypeExpr *expr) {
|
|
Printer << "type(of: ";
|
|
visit(expr->getBase());
|
|
Printer << ")";
|
|
}
|
|
|
|
void PrintAST::visitOpaqueValueExpr(OpaqueValueExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitOptionalTryExpr(OptionalTryExpr *expr) {
|
|
Printer << "try? ";
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitPrefixUnaryExpr(PrefixUnaryExpr *expr) {
|
|
visit(expr->getFn());
|
|
visit(expr->getOperand());
|
|
}
|
|
|
|
void PrintAST::visitBindOptionalExpr(BindOptionalExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
Printer << "?";
|
|
}
|
|
|
|
void PrintAST::visitBridgeToObjCExpr(BridgeToObjCExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitObjCSelectorExpr(ObjCSelectorExpr *expr) {
|
|
Printer << "#selector";
|
|
Printer << "(";
|
|
visit(expr->getSubExpr());
|
|
Printer << ")";
|
|
}
|
|
|
|
void PrintAST::visitPostfixUnaryExpr(PostfixUnaryExpr *expr) {
|
|
visit(expr->getOperand());
|
|
visit(expr->getFn());
|
|
}
|
|
|
|
void PrintAST::visitTupleElementExpr(TupleElementExpr *expr) {
|
|
visit(expr->getBase());
|
|
Printer << ".";
|
|
Printer << expr->getFieldNumber();
|
|
}
|
|
|
|
void PrintAST::visitDerivedToBaseExpr(DerivedToBaseExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitDotSyntaxCallExpr(DotSyntaxCallExpr *expr) {
|
|
auto decl = expr->getFn()->getReferencedDecl().getDecl();
|
|
if (!decl || !decl->isOperator()) {
|
|
visit(expr->getBase());
|
|
Printer << ".";
|
|
}
|
|
visit(expr->getFn());
|
|
}
|
|
|
|
void PrintAST::visitObjectLiteralExpr(ObjectLiteralExpr *expr) {
|
|
Printer << "#";
|
|
Printer << expr->getLiteralKindRawName();
|
|
printArgumentList(expr->getArgs());
|
|
}
|
|
|
|
void PrintAST::visitUnresolvedDotExpr(UnresolvedDotExpr *expr) {
|
|
visit(expr->getBase());
|
|
Printer << ".";
|
|
Printer << expr->getName().getBaseName();
|
|
}
|
|
|
|
void PrintAST::visitArrayToPointerExpr(ArrayToPointerExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitBridgeFromObjCExpr(BridgeFromObjCExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitCodeCompletionExpr(CodeCompletionExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitInOutToPointerExpr(InOutToPointerExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitLinearFunctionExpr(LinearFunctionExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitDefaultArgumentExpr(DefaultArgumentExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitLazyInitializerExpr(LazyInitializerExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitOpenExistentialExpr(OpenExistentialExpr *expr) {
|
|
visit(expr->getExistentialValue());
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitStringToPointerExpr(StringToPointerExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitVarargExpansionExpr(VarargExpansionExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitPackExpansionExpr(PackExpansionExpr *expr) {
|
|
visit(expr->getPatternExpr());
|
|
}
|
|
|
|
void PrintAST::visitMaterializePackExpr(MaterializePackExpr *expr) {
|
|
visit(expr->getFromExpr());
|
|
}
|
|
|
|
void PrintAST::visitPackElementExpr(PackElementExpr *expr) {
|
|
visit(expr->getPackRefExpr());
|
|
}
|
|
|
|
void PrintAST::visitArchetypeToSuperExpr(ArchetypeToSuperExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitDestructureTupleExpr(DestructureTupleExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitDynamicMemberRefExpr(DynamicMemberRefExpr *expr) {
|
|
visit(expr->getBase());
|
|
Printer << ".";
|
|
Printer << expr->getMember().getDecl()->getName();
|
|
}
|
|
|
|
void PrintAST::visitDynamicSubscriptExpr(DynamicSubscriptExpr *expr) {
|
|
visit(expr->getBase());
|
|
printArgumentList(expr->getArgs()->getOriginalArgs(), /*forSubscript*/ true);
|
|
}
|
|
|
|
void PrintAST::visitPointerToPointerExpr(PointerToPointerExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitUnresolvedMemberExpr(UnresolvedMemberExpr *expr) {
|
|
Printer << ".";
|
|
Printer << expr->getName();
|
|
}
|
|
|
|
void PrintAST::visitDiscardAssignmentExpr(DiscardAssignmentExpr *expr) {
|
|
Printer << "_";
|
|
}
|
|
|
|
void PrintAST::visitEditorPlaceholderExpr(EditorPlaceholderExpr *expr) {
|
|
Printer << expr->getPlaceholder();
|
|
}
|
|
|
|
void PrintAST::visitForcedCheckedCastExpr(ForcedCheckedCastExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
Printer << " as! ";
|
|
printType(expr->getCastType());
|
|
}
|
|
|
|
void PrintAST::visitConditionalCheckedCastExpr(ConditionalCheckedCastExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
Printer << " as? ";
|
|
printType(expr->getCastType());
|
|
}
|
|
|
|
void PrintAST::visitOverloadedDeclRefExpr(OverloadedDeclRefExpr *expr) {
|
|
if (expr->getNameLoc().isCompound()) {
|
|
Printer << expr->getDecls().front()->getName();
|
|
} else {
|
|
Printer << expr->getDecls().front()->getBaseName();
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitUnresolvedDeclRefExpr(UnresolvedDeclRefExpr *expr) {
|
|
Printer << expr->getName();
|
|
}
|
|
|
|
void PrintAST::visitUnresolvedPatternExpr(UnresolvedPatternExpr *expr) {
|
|
printPattern(expr->getSubPattern());
|
|
}
|
|
|
|
void PrintAST::visitAnyHashableErasureExpr(AnyHashableErasureExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitConstructorRefCallExpr(ConstructorRefCallExpr *expr) {
|
|
if (auto type = expr->getType()) {
|
|
if (auto *funcType = type->getAs<FunctionType>()) {
|
|
printType(funcType->getResult());
|
|
}
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitABISafeConversionExpr(ABISafeConversionExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitFunctionConversionExpr(FunctionConversionExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitInjectIntoOptionalExpr(InjectIntoOptionalExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitKeyPathApplicationExpr(KeyPathApplicationExpr *expr) {
|
|
visit(expr->getBase());
|
|
Printer << "[keyPath: ";
|
|
visit(expr->getKeyPath());
|
|
Printer << "]";
|
|
}
|
|
|
|
void PrintAST::visitMetatypeConversionExpr(MetatypeConversionExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitOptionalEvaluationExpr(OptionalEvaluationExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitUnderlyingToOpaqueExpr(UnderlyingToOpaqueExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitUnevaluatedInstanceExpr(UnevaluatedInstanceExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitDotSyntaxBaseIgnoredExpr(DotSyntaxBaseIgnoredExpr *expr) {
|
|
visit(expr->getLHS());
|
|
Printer << ".";
|
|
visit(expr->getRHS());
|
|
}
|
|
|
|
void PrintAST::visitUnresolvedSpecializeExpr(UnresolvedSpecializeExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitClassMetatypeToObjectExpr(ClassMetatypeToObjectExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitAppliedPropertyWrapperExpr(AppliedPropertyWrapperExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitDifferentiableFunctionExpr(DifferentiableFunctionExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitMagicIdentifierLiteralExpr(MagicIdentifierLiteralExpr *expr) {
|
|
Printer << expr->getKindString(expr->getKind());
|
|
}
|
|
|
|
void PrintAST::visitForeignObjectConversionExpr(ForeignObjectConversionExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitOtherConstructorDeclRefExpr(OtherConstructorDeclRefExpr *expr) {
|
|
Printer << "init";
|
|
}
|
|
|
|
void PrintAST::visitRebindSelfInConstructorExpr(RebindSelfInConstructorExpr *expr) {
|
|
visit(expr->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitMakeTemporarilyEscapableExpr(MakeTemporarilyEscapableExpr *expr) {
|
|
visit(expr->getOriginalExpr());
|
|
}
|
|
|
|
void PrintAST::visitProtocolMetatypeToObjectExpr(ProtocolMetatypeToObjectExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitUnresolvedTypeConversionExpr(UnresolvedTypeConversionExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitConditionalBridgeFromObjCExpr(ConditionalBridgeFromObjCExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitCovariantReturnConversionExpr(CovariantReturnConversionExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitInterpolatedStringLiteralExpr(InterpolatedStringLiteralExpr *expr) {
|
|
visit(expr->getInterpolationExpr());
|
|
}
|
|
|
|
void PrintAST::visitCollectionUpcastConversionExpr(CollectionUpcastConversionExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitCovariantFunctionConversionExpr(CovariantFunctionConversionExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitExistentialMetatypeToObjectExpr(ExistentialMetatypeToObjectExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitUnresolvedMemberChainResultExpr(swift::UnresolvedMemberChainResultExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitLinearFunctionExtractOriginalExpr(swift::LinearFunctionExtractOriginalExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitLinearToDifferentiableFunctionExpr(swift::LinearToDifferentiableFunctionExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitActorIsolationErasureExpr(ActorIsolationErasureExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitExtractFunctionIsolationExpr(ExtractFunctionIsolationExpr *expr) {
|
|
visit(expr->getFunctionExpr());
|
|
Printer << ".isolation";
|
|
}
|
|
|
|
void PrintAST::visitPropertyWrapperValuePlaceholderExpr(swift::PropertyWrapperValuePlaceholderExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitDifferentiableFunctionExtractOriginalExpr(swift::DifferentiableFunctionExtractOriginalExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitUnreachableExpr(UnreachableExpr *E) {
|
|
visit(E->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitMacroExpansionExpr(MacroExpansionExpr *expr) {
|
|
}
|
|
|
|
void PrintAST::visitBraceStmt(BraceStmt *stmt) {
|
|
printBraceStmt(stmt);
|
|
}
|
|
|
|
void PrintAST::visitReturnStmt(ReturnStmt *stmt) {
|
|
if (!stmt->hasResult()) {
|
|
if (auto *FD = dyn_cast<AbstractFunctionDecl>(Current)) {
|
|
if (auto *Body = FD->getBody()) {
|
|
if (Body->getLastElement().dyn_cast<Stmt *>() == stmt) {
|
|
// Don't print empty return.
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
Printer << tok::kw_return;
|
|
if (stmt->hasResult()) {
|
|
Printer << " ";
|
|
visit(stmt->getResult());
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitYieldStmt(YieldStmt *stmt) {
|
|
Printer.printKeyword("yield", Options, " ");
|
|
bool parens = (stmt->getYields().size() != 1
|
|
|| stmt->getLParenLoc().isValid());
|
|
if (parens) Printer << "(";
|
|
bool first = true;
|
|
for (auto yield : stmt->getYields()) {
|
|
if (first) {
|
|
first = false;
|
|
} else {
|
|
Printer << ", ";
|
|
}
|
|
|
|
// FIXME: print expression.
|
|
(void) yield;
|
|
}
|
|
if (parens) Printer << ")";
|
|
}
|
|
|
|
void PrintAST::visitThenStmt(ThenStmt *stmt) {
|
|
// For now, don't print implicit 'then' statements, since they can be
|
|
// present when the feature is disabled.
|
|
// TODO: Once we enable the feature, we can remove this.
|
|
if (!stmt->isImplicit())
|
|
Printer.printKeyword("then", Options, " ");
|
|
|
|
visit(stmt->getResult());
|
|
}
|
|
|
|
void PrintAST::visitThrowStmt(ThrowStmt *stmt) {
|
|
Printer << tok::kw_throw << " ";
|
|
visit(stmt->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitDiscardStmt(DiscardStmt *stmt) {
|
|
Printer << "discard" << " ";
|
|
visit(stmt->getSubExpr());
|
|
}
|
|
|
|
void PrintAST::visitPoundAssertStmt(PoundAssertStmt *stmt) {
|
|
Printer << tok::pound_assert << " ";
|
|
// FIXME: print expression.
|
|
}
|
|
|
|
void PrintAST::visitDeferStmt(DeferStmt *stmt) {
|
|
Printer << tok::kw_defer << " ";
|
|
visit(stmt->getBodyAsWritten());
|
|
}
|
|
|
|
void PrintAST::visitIfStmt(IfStmt *stmt) {
|
|
Printer << tok::kw_if << " ";
|
|
printStmtCondition(stmt->getCond());
|
|
Printer << " ";
|
|
visit(stmt->getThenStmt());
|
|
if (auto elseStmt = stmt->getElseStmt()) {
|
|
Printer << " " << tok::kw_else << " ";
|
|
visit(elseStmt);
|
|
}
|
|
}
|
|
void PrintAST::visitGuardStmt(GuardStmt *stmt) {
|
|
Printer << tok::kw_guard << " ";
|
|
printStmtCondition(stmt->getCond());
|
|
Printer << " else ";
|
|
visit(stmt->getBody());
|
|
}
|
|
|
|
void PrintAST::visitWhileStmt(WhileStmt *stmt) {
|
|
Printer << tok::kw_while << " ";
|
|
printStmtCondition(stmt->getCond());
|
|
Printer << " ";
|
|
visit(stmt->getBody());
|
|
}
|
|
|
|
void PrintAST::visitRepeatWhileStmt(RepeatWhileStmt *stmt) {
|
|
Printer << tok::kw_repeat << " ";
|
|
visit(stmt->getBody());
|
|
Printer << " " << tok::kw_while << " ";
|
|
visit(stmt->getCond());
|
|
}
|
|
|
|
void PrintAST::printStmtCondition(StmtCondition condition) {
|
|
interleave(
|
|
condition,
|
|
[&](StmtConditionElement &elt) {
|
|
if (auto pattern = elt.getPatternOrNull()) {
|
|
printPattern(pattern);
|
|
auto initializer = elt.getInitializer();
|
|
if (initializer) {
|
|
Printer << " = ";
|
|
visit(initializer);
|
|
}
|
|
} else if (auto boolean = elt.getBooleanOrNull()) {
|
|
visit(boolean);
|
|
}
|
|
},
|
|
[&] { Printer << ", "; });
|
|
}
|
|
|
|
void PrintAST::visitDoStmt(DoStmt *stmt) {
|
|
Printer << tok::kw_do << " ";
|
|
visit(stmt->getBody());
|
|
}
|
|
|
|
void PrintAST::visitDoCatchStmt(DoCatchStmt *stmt) {
|
|
Printer << tok::kw_do << " ";
|
|
visit(stmt->getBody());
|
|
for (auto clause : stmt->getCatches()) {
|
|
visitCaseStmt(clause);
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitForEachStmt(ForEachStmt *stmt) {
|
|
Printer << tok::kw_for << " ";
|
|
printPattern(stmt->getPattern());
|
|
Printer << " " << tok::kw_in << " ";
|
|
// FIXME: print container
|
|
if (auto *seq = stmt->getTypeCheckedSequence()) {
|
|
// Look through the call to '.makeIterator()'
|
|
|
|
if (auto *CE = dyn_cast<CallExpr>(seq)) {
|
|
if (auto *SAE = dyn_cast<SelfApplyExpr>(CE->getFn()))
|
|
seq = SAE->getBase();
|
|
}
|
|
visit(seq);
|
|
} else {
|
|
visit(stmt->getParsedSequence());
|
|
}
|
|
Printer << " ";
|
|
visit(stmt->getBody());
|
|
}
|
|
|
|
void PrintAST::visitBreakStmt(BreakStmt *stmt) {
|
|
Printer << tok::kw_break;
|
|
}
|
|
|
|
void PrintAST::visitContinueStmt(ContinueStmt *stmt) {
|
|
Printer << tok::kw_continue;
|
|
}
|
|
|
|
void PrintAST::visitFallthroughStmt(FallthroughStmt *stmt) {
|
|
Printer << tok::kw_fallthrough;
|
|
}
|
|
|
|
void PrintAST::visitSwitchStmt(SwitchStmt *stmt) {
|
|
Printer << tok::kw_switch << " ";
|
|
visit(stmt->getSubjectExpr());
|
|
Printer << " {";
|
|
Printer.printNewline();
|
|
for (auto N : stmt->getRawCases()) {
|
|
if (N.is<Stmt*>())
|
|
visit(cast<CaseStmt>(N.get<Stmt*>()));
|
|
else
|
|
visit(cast<IfConfigDecl>(N.get<Decl*>()));
|
|
Printer.printNewline();
|
|
}
|
|
indent();
|
|
Printer << "}";
|
|
}
|
|
|
|
void PrintAST::visitCaseStmt(CaseStmt *CS) {
|
|
if (CS->hasUnknownAttr())
|
|
Printer << "@unknown ";
|
|
|
|
if (CS->isDefault()) {
|
|
Printer << tok::kw_default;
|
|
} else {
|
|
auto PrintCaseLabelItem = [&](const CaseLabelItem &CLI) {
|
|
if (auto *P = CLI.getPattern())
|
|
printPattern(P);
|
|
if (CLI.getGuardExpr()) {
|
|
Printer << " " << tok::kw_where << " ";
|
|
// FIXME: print guard expr
|
|
}
|
|
};
|
|
Printer << tok::kw_case << " ";
|
|
interleave(CS->getCaseLabelItems(), PrintCaseLabelItem,
|
|
[&] { Printer << ", "; });
|
|
}
|
|
Printer << ":";
|
|
|
|
if (!printASTNodes((cast<BraceStmt>(CS->getBody())->getElements())))
|
|
Printer.printNewline();
|
|
indent();
|
|
}
|
|
|
|
void PrintAST::visitFailStmt(FailStmt *stmt) {
|
|
Printer << tok::kw_return << " " << tok::kw_nil;
|
|
}
|
|
|
|
void Decl::print(raw_ostream &os) const {
|
|
PrintOptions options;
|
|
options.FunctionDefinitions = true;
|
|
options.TypeDefinitions = true;
|
|
options.VarInitializers = true;
|
|
// FIXME: Move all places where SIL printing is happening to explicit options.
|
|
// For example, see \c ProjectionPath::print.
|
|
options.PreferTypeRepr = false;
|
|
|
|
print(os, options);
|
|
}
|
|
|
|
void Decl::print(raw_ostream &OS, const PrintOptions &Opts) const {
|
|
StreamPrinter Printer(OS);
|
|
print(Printer, Opts);
|
|
}
|
|
|
|
bool Decl::print(ASTPrinter &Printer, const PrintOptions &Opts) const {
|
|
PrintAST printer(Printer, Opts);
|
|
return printer.visit(const_cast<Decl *>(this));
|
|
}
|
|
|
|
void Decl::printInherited(ASTPrinter &Printer, const PrintOptions &Opts) const {
|
|
PrintAST printer(Printer, Opts);
|
|
printer.printInherited(this);
|
|
}
|
|
|
|
bool Decl::shouldPrintInContext(const PrintOptions &PO) const {
|
|
// Skip getters/setters. They are part of the variable or subscript.
|
|
if (isa<AccessorDecl>(this))
|
|
return false;
|
|
|
|
if (PO.ExplodePatternBindingDecls) {
|
|
if (isa<VarDecl>(this))
|
|
return true;
|
|
if (isa<PatternBindingDecl>(this))
|
|
return false;
|
|
} else {
|
|
// Try to preserve the PatternBindingDecl structure.
|
|
|
|
// Skip stored variables, unless they came from a Clang module.
|
|
// Stored variables in Swift source will be picked up by the
|
|
// PatternBindingDecl.
|
|
if (auto *VD = dyn_cast<VarDecl>(this)) {
|
|
if (!VD->hasClangNode() && VD->hasStorage())
|
|
return false;
|
|
}
|
|
|
|
// Skip pattern bindings that consist of just one variable with
|
|
// interesting accessors.
|
|
if (auto pbd = dyn_cast<PatternBindingDecl>(this)) {
|
|
if (pbd->getPatternList().size() == 1) {
|
|
auto pattern =
|
|
pbd->getPattern(0)->getSemanticsProvidingPattern();
|
|
if (auto named = dyn_cast<NamedPattern>(pattern)) {
|
|
if (!named->getDecl()->hasStorage())
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isa<IfConfigDecl>(this)) {
|
|
return PO.PrintIfConfig;
|
|
}
|
|
|
|
// Print everything else.
|
|
return true;
|
|
}
|
|
|
|
void Pattern::print(llvm::raw_ostream &OS, const PrintOptions &Options) const {
|
|
StreamPrinter StreamPrinter(OS);
|
|
PrintAST Printer(StreamPrinter, Options);
|
|
Printer.printPattern(this);
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Type Printing
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
template <typename ExtInfo>
|
|
void printCType(ASTContext &Ctx, ASTPrinter &Printer, ExtInfo &info) {
|
|
auto *cml = Ctx.getClangModuleLoader();
|
|
SmallString<64> buf;
|
|
llvm::raw_svector_ostream os(buf);
|
|
info.getClangTypeInfo().printType(cml, os);
|
|
Printer << ", cType: " << QuotedString(os.str());
|
|
}
|
|
|
|
namespace {
|
|
class TypePrinter : public TypeVisitor<TypePrinter> {
|
|
using super = TypeVisitor;
|
|
|
|
ASTPrinter &Printer;
|
|
const PrintOptions &Options;
|
|
|
|
void printGenericArgs(ArrayRef<Type> flatArgs) {
|
|
Printer << "<";
|
|
interleave(flatArgs,
|
|
[&](Type arg) { visit(arg); },
|
|
[&] { Printer << ", "; });
|
|
Printer << ">";
|
|
}
|
|
|
|
void printGenericArgs(ASTContext &ctx,
|
|
ArrayRef<GenericTypeParamType *> params,
|
|
ArrayRef<Type> args) {
|
|
printGenericArgs(PackType::getExpandedGenericArgs(params, args));
|
|
}
|
|
|
|
/// Helper function for printing a type that is embedded within a larger type.
|
|
///
|
|
/// This is necessary whenever the inner type may not normally be represented
|
|
/// as a 'type-simple' production in the type grammar.
|
|
void printWithParensIfNotSimple(Type T) {
|
|
if (T.isNull()) {
|
|
visit(T);
|
|
return;
|
|
}
|
|
|
|
bool isSimple = isSimpleUnderPrintOptions(T);
|
|
if (isSimple) {
|
|
visit(T);
|
|
} else {
|
|
Printer << "(";
|
|
visit(T);
|
|
Printer << ")";
|
|
}
|
|
}
|
|
|
|
/// Determine whether the given type has a simple representation
|
|
/// under the current print options.
|
|
bool isSimpleUnderPrintOptions(Type T) {
|
|
if (auto typealias = dyn_cast<TypeAliasType>(T.getPointer())) {
|
|
if (shouldDesugarTypeAliasType(typealias))
|
|
return isSimpleUnderPrintOptions(typealias->getSinglyDesugaredType());
|
|
} else if (auto opaque =
|
|
dyn_cast<OpaqueTypeArchetypeType>(T.getPointer())) {
|
|
if (opaque->isRoot()) {
|
|
switch (Options.OpaqueReturnTypePrinting) {
|
|
case PrintOptions::OpaqueReturnTypePrintingMode::StableReference:
|
|
case PrintOptions::OpaqueReturnTypePrintingMode::Description:
|
|
return false;
|
|
case PrintOptions::OpaqueReturnTypePrintingMode::WithOpaqueKeyword:
|
|
return opaque->getDecl()->hasExplicitGenericParams();
|
|
case PrintOptions::OpaqueReturnTypePrintingMode::WithoutOpaqueKeyword:
|
|
return opaque->getDecl()->hasExplicitGenericParams() ||
|
|
isSimpleUnderPrintOptions(opaque->getExistentialType()
|
|
->castTo<ExistentialType>()
|
|
->getConstraintType());
|
|
}
|
|
llvm_unreachable("bad opaque-return-type printing mode");
|
|
}
|
|
} else if (auto existential = dyn_cast<ExistentialType>(T.getPointer())) {
|
|
if (!existential->shouldPrintWithAny())
|
|
return isSimpleUnderPrintOptions(existential->getConstraintType());
|
|
} else if (auto param = dyn_cast<GenericTypeParamType>(T.getPointer())) {
|
|
if (param->isParameterPack())
|
|
return false;
|
|
} else if (auto archetype = dyn_cast<ArchetypeType>(T.getPointer())) {
|
|
if (isa<PackArchetypeType>(archetype))
|
|
return false;
|
|
if (Options.PrintForSIL && isa<LocalArchetypeType>(archetype))
|
|
return false;
|
|
}
|
|
return T->hasSimpleTypeRepr();
|
|
}
|
|
|
|
/// Returns all Clang modules that are visible from `Options.CurrentModule`.
|
|
/// This includes any modules that are imported transitively through public
|
|
/// (`@_exported`) imports.
|
|
///
|
|
/// The returned map associates each visible Clang module with the
|
|
/// corresponding Swift module.
|
|
const llvm::DenseMap<const clang::Module *, ModuleDecl *> &
|
|
getVisibleClangModules() {
|
|
return Options.CurrentModule->getVisibleClangModules(Options.InterfaceContentKind);
|
|
}
|
|
|
|
template <typename T>
|
|
void printModuleContext(T *Ty) {
|
|
FileUnit *File = cast<FileUnit>(Ty->getDecl()->getModuleScopeContext());
|
|
ModuleDecl *Mod = File->getParentModule();
|
|
StringRef ExportedModuleName = File->getExportedModuleName();
|
|
|
|
// Clang declarations need special treatment: Multiple Clang modules can
|
|
// contain the same declarations from a textually included header, but not
|
|
// all of these modules may be visible. We therefore need to make sure we
|
|
// choose a module that is visible from the current module. This is possible
|
|
// only if we know what the current module is.
|
|
const clang::Decl *ClangDecl = Ty->getDecl()->getClangDecl();
|
|
if (ClangDecl && Options.CurrentModule) {
|
|
for (auto *Redecl : ClangDecl->redecls()) {
|
|
auto *owningModule = Redecl->getOwningModule();
|
|
if (!owningModule)
|
|
continue;
|
|
clang::Module *ClangModule = owningModule->getTopLevelModule();
|
|
if (!ClangModule)
|
|
continue;
|
|
|
|
if (ModuleDecl *VisibleModule =
|
|
getVisibleClangModules().lookup(ClangModule)) {
|
|
Mod = VisibleModule;
|
|
ExportedModuleName = ClangModule->ExportAsModule;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (Options.MapCrossImportOverlaysToDeclaringModule) {
|
|
if (ModuleDecl *Declaring = Mod->getDeclaringModuleIfCrossImportOverlay())
|
|
Mod = Declaring;
|
|
}
|
|
|
|
// Should use the module real (binary) name here and everywhere else the
|
|
// module is printed in case module aliasing is used (see -module-alias)
|
|
Identifier Name = Mod->getRealName();
|
|
if (Options.UseExportedModuleNames && !ExportedModuleName.empty()) {
|
|
Name = Mod->getASTContext().getIdentifier(ExportedModuleName);
|
|
}
|
|
|
|
if (Options.UseOriginallyDefinedInModuleNames) {
|
|
Decl *D = Ty->getDecl();
|
|
for (auto attr: D->getAttrs().getAttributes<OriginallyDefinedInAttr>()) {
|
|
Name = Mod->getASTContext()
|
|
.getIdentifier(const_cast<OriginallyDefinedInAttr*>(attr)
|
|
->OriginalModuleName);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (Options.AliasModuleNames && Options.AliasModuleNamesTargets &&
|
|
Options.AliasModuleNamesTargets->contains(Name.str())) {
|
|
auto nameTwine = MODULE_DISAMBIGUATING_PREFIX + Name.str();
|
|
Name = Mod->getASTContext().getIdentifier(nameTwine.str());
|
|
}
|
|
|
|
Printer.printModuleRef(Mod, Name);
|
|
Printer << ".";
|
|
}
|
|
|
|
template <typename T>
|
|
void printTypeDeclName(
|
|
T *Ty, PrintNameContext NameContext = PrintNameContext::Normal) {
|
|
TypeDecl *TD = Ty->getDecl();
|
|
Printer.printTypeRef(Ty, TD, TD->getName(), NameContext);
|
|
}
|
|
|
|
// FIXME: we should have a callback that would tell us
|
|
// whether it's kosher to print a module name or not
|
|
bool isLLDBExpressionModule(ModuleDecl *M) {
|
|
if (!M)
|
|
return false;
|
|
return M->getRealName().str().starts_with(LLDB_EXPRESSIONS_MODULE_NAME_PREFIX);
|
|
}
|
|
|
|
bool shouldPrintFullyQualified(TypeBase *T) {
|
|
if (Options.FullyQualifiedTypes)
|
|
return true;
|
|
|
|
Decl *D;
|
|
if (auto *TAT = dyn_cast<TypeAliasType>(T))
|
|
D = TAT->getDecl();
|
|
else
|
|
D = T->getAnyGeneric();
|
|
|
|
// If we cannot find the declaration, be extra careful and print
|
|
// the type qualified.
|
|
if (!D)
|
|
return true;
|
|
|
|
ModuleDecl *M = D->getDeclContext()->getParentModule();
|
|
if (M->isBuiltinModule())
|
|
return true;
|
|
|
|
if (!Options.FullyQualifiedTypesIfAmbiguous)
|
|
return false;
|
|
|
|
if (Options.CurrentModule && M == Options.CurrentModule) {
|
|
return false;
|
|
}
|
|
|
|
// Don't print qualifiers for types from the standard library.
|
|
if (M->isStdlibModule() ||
|
|
M->getRealName() == M->getASTContext().Id_ObjectiveC ||
|
|
M->isNonUserModule() || isLLDBExpressionModule(M))
|
|
return false;
|
|
|
|
// Don't print qualifiers for imported types.
|
|
if (!Options.QualifyImportedTypes)
|
|
for (auto File : M->getFiles()) {
|
|
if (File->getKind() == FileUnitKind::ClangModule ||
|
|
File->getKind() == FileUnitKind::DWARFModule)
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
public:
|
|
TypePrinter(ASTPrinter &Printer, const PrintOptions &PO)
|
|
: Printer(Printer), Options(PO) {}
|
|
|
|
template <typename T>
|
|
void printQualifiedType(T *Ty) {
|
|
PrintNameContext NameContext = PrintNameContext::Normal;
|
|
|
|
// If we printed a parent type or a module qualification, let the printer
|
|
// know we're printing a type member so it escapes `Type` and `Protocol`.
|
|
if (auto parent = Ty->getParent()) {
|
|
visitParentType(parent);
|
|
NameContext = PrintNameContext::TypeMember;
|
|
} else if (shouldPrintFullyQualified(Ty)) {
|
|
printModuleContext(Ty);
|
|
NameContext = PrintNameContext::TypeMember;
|
|
}
|
|
|
|
printTypeDeclName(Ty, NameContext);
|
|
}
|
|
|
|
void visit(Type T) {
|
|
Printer.printTypePre(TypeLoc::withoutLoc(T));
|
|
SWIFT_DEFER { Printer.printTypePost(TypeLoc::withoutLoc(T)); };
|
|
|
|
super::visit(T);
|
|
}
|
|
|
|
void visitErrorType(ErrorType *T) {
|
|
if (auto originalType = T->getOriginalType()) {
|
|
if (Options.PrintTypesForDebugging || Options.PrintInSILBody)
|
|
Printer << "@error_type ";
|
|
visit(originalType);
|
|
}
|
|
else
|
|
Printer << "<<error type>>";
|
|
}
|
|
|
|
void visitUnresolvedType(UnresolvedType *T) {
|
|
if (Options.PrintTypesForDebugging)
|
|
Printer << "<<unresolvedtype>>";
|
|
else
|
|
Printer << "_";
|
|
}
|
|
|
|
void visitErrorUnionType(ErrorUnionType *T) {
|
|
Printer << "error_union(";
|
|
interleave(T->getTerms(),
|
|
[&](Type type) {
|
|
visit(type);
|
|
}, [&]{
|
|
Printer << ", ";
|
|
});
|
|
Printer << ")";
|
|
}
|
|
|
|
void visitPlaceholderType(PlaceholderType *T) {
|
|
if (Options.PrintTypesForDebugging) {
|
|
Printer << "<<placeholder for ";
|
|
auto originator = T->getOriginator();
|
|
if (auto *typeVar = originator.dyn_cast<TypeVariableType *>()) {
|
|
visit(typeVar);
|
|
} else if (auto *VD = originator.dyn_cast<VarDecl *>()) {
|
|
Printer << "decl = ";
|
|
Printer << VD->getName();
|
|
} else if (auto *EE = originator.dyn_cast<ErrorExpr *>()) {
|
|
Printer << "error_expr";
|
|
} else if (auto *DMT = originator.dyn_cast<DependentMemberType *>()) {
|
|
visit(DMT);
|
|
} else if (originator.is<PlaceholderTypeRepr *>()) {
|
|
Printer << "placeholder_type_repr";
|
|
} else {
|
|
assert(false && "unknown originator");
|
|
}
|
|
Printer << ">>";
|
|
} else {
|
|
Printer << "<<hole>>";
|
|
}
|
|
}
|
|
|
|
#ifdef ASTPRINTER_HANDLE_BUILTINTYPE
|
|
#error "ASTPRINTER_HANDLE_BUILTINTYPE should not be defined?!"
|
|
#endif
|
|
|
|
#define ASTPRINTER_PRINT_BUILTINTYPE(NAME) \
|
|
void visit##NAME(NAME *T) { \
|
|
SmallString<32> buffer; \
|
|
T->getTypeName(buffer); \
|
|
Printer << buffer; \
|
|
}
|
|
ASTPRINTER_PRINT_BUILTINTYPE(BuiltinRawPointerType)
|
|
ASTPRINTER_PRINT_BUILTINTYPE(BuiltinRawUnsafeContinuationType)
|
|
ASTPRINTER_PRINT_BUILTINTYPE(BuiltinJobType)
|
|
ASTPRINTER_PRINT_BUILTINTYPE(BuiltinExecutorType)
|
|
ASTPRINTER_PRINT_BUILTINTYPE(BuiltinDefaultActorStorageType)
|
|
ASTPRINTER_PRINT_BUILTINTYPE(BuiltinNonDefaultDistributedActorStorageType)
|
|
ASTPRINTER_PRINT_BUILTINTYPE(BuiltinPackIndexType)
|
|
ASTPRINTER_PRINT_BUILTINTYPE(BuiltinNativeObjectType)
|
|
ASTPRINTER_PRINT_BUILTINTYPE(BuiltinBridgeObjectType)
|
|
ASTPRINTER_PRINT_BUILTINTYPE(BuiltinUnsafeValueBufferType)
|
|
ASTPRINTER_PRINT_BUILTINTYPE(BuiltinIntegerLiteralType)
|
|
ASTPRINTER_PRINT_BUILTINTYPE(BuiltinVectorType)
|
|
ASTPRINTER_PRINT_BUILTINTYPE(BuiltinIntegerType)
|
|
ASTPRINTER_PRINT_BUILTINTYPE(BuiltinFloatType)
|
|
#undef ASTPRINTER_PRINT_BUILTINTYPE
|
|
|
|
void visitSILTokenType(SILTokenType *T) {
|
|
Printer << BUILTIN_TYPE_NAME_SILTOKEN;
|
|
}
|
|
|
|
bool shouldDesugarTypeAliasType(TypeAliasType *T) {
|
|
return Options.PrintForSIL || Options.PrintTypeAliasUnderlyingType;
|
|
}
|
|
|
|
void visitTypeAliasType(TypeAliasType *T) {
|
|
if (shouldDesugarTypeAliasType(T)) {
|
|
visit(T->getSinglyDesugaredType());
|
|
return;
|
|
}
|
|
|
|
printQualifiedType(T);
|
|
|
|
auto *typeAliasDecl = T->getDecl();
|
|
if (typeAliasDecl->isGeneric()) {
|
|
if (Options.PrintTypesForDebugging)
|
|
printGenericArgs(T->getDirectGenericArgs());
|
|
else
|
|
printGenericArgs(T->getExpandedGenericArgs());
|
|
}
|
|
}
|
|
|
|
void visitParenType(ParenType *T) {
|
|
Printer << "(";
|
|
visit(T->getUnderlyingType()->getInOutObjectType());
|
|
Printer << ")";
|
|
}
|
|
|
|
void visitPackType(PackType *T) {
|
|
if (Options.PrintExplicitPackTypes || Options.PrintTypesForDebugging)
|
|
Printer << "Pack{";
|
|
|
|
auto Fields = T->getElementTypes();
|
|
for (unsigned i = 0, e = Fields.size(); i != e; ++i) {
|
|
if (i)
|
|
Printer << ", ";
|
|
Type EltType = Fields[i];
|
|
visit(EltType);
|
|
}
|
|
|
|
if (Options.PrintExplicitPackTypes || Options.PrintTypesForDebugging)
|
|
Printer << "}";
|
|
}
|
|
|
|
void visitSILPackType(SILPackType *T) {
|
|
if (!T->isElementAddress())
|
|
Printer << "@direct ";
|
|
Printer << "Pack{";
|
|
|
|
auto Fields = T->getElementTypes();
|
|
for (unsigned i = 0, e = Fields.size(); i != e; ++i) {
|
|
if (i)
|
|
Printer << ", ";
|
|
Type EltType = Fields[i];
|
|
visit(EltType);
|
|
}
|
|
Printer << "}";
|
|
}
|
|
|
|
void visitPackExpansionType(PackExpansionType *T) {
|
|
SmallVector<Type, 2> rootParameterPacks;
|
|
T->getPatternType()->getTypeParameterPacks(rootParameterPacks);
|
|
|
|
if (rootParameterPacks.empty() &&
|
|
(T->getCountType()->isParameterPack() ||
|
|
T->getCountType()->is<PackArchetypeType>() ||
|
|
Options.PrintTypesForDebugging)) {
|
|
Printer << "/* shape: ";
|
|
visit(T->getCountType());
|
|
Printer << " */ ";
|
|
}
|
|
|
|
Printer << "repeat ";
|
|
|
|
visit(T->getPatternType());
|
|
}
|
|
|
|
void visitPackElementType(PackElementType *T) {
|
|
Printer << "/* level: " << T->getLevel() << " */ ";
|
|
visit(T->getPackType());
|
|
}
|
|
|
|
void visitTupleType(TupleType *T) {
|
|
Printer.callPrintStructurePre(PrintStructureKind::TupleType);
|
|
SWIFT_DEFER { Printer.printStructurePost(PrintStructureKind::TupleType); };
|
|
|
|
Printer << "(";
|
|
|
|
auto Fields = T->getElements();
|
|
for (unsigned i = 0, e = Fields.size(); i != e; ++i) {
|
|
if (i)
|
|
Printer << ", ";
|
|
const TupleTypeElt &TD = Fields[i];
|
|
Type EltType = TD.getType();
|
|
|
|
Printer.callPrintStructurePre(PrintStructureKind::TupleElement);
|
|
SWIFT_DEFER {
|
|
Printer.printStructurePost(PrintStructureKind::TupleElement);
|
|
};
|
|
|
|
if (TD.hasName()) {
|
|
Printer.printName(TD.getName(), PrintNameContext::TupleElement);
|
|
Printer << ": ";
|
|
} else if (e == 1 && !EltType->is<PackExpansionType>()) {
|
|
// Unlabeled one-element tuples always print the empty label to
|
|
// distinguish them from the older syntax for ParenType.
|
|
Printer << "_: ";
|
|
}
|
|
visit(EltType);
|
|
}
|
|
Printer << ")";
|
|
}
|
|
|
|
void visitUnboundGenericType(UnboundGenericType *T) {
|
|
printQualifiedType(T);
|
|
}
|
|
|
|
void visitBoundGenericType(BoundGenericType *T) {
|
|
if (Options.SynthesizeSugarOnTypes) {
|
|
if (T->isArray()) {
|
|
Printer << "[";
|
|
visit(T->getGenericArgs()[0]);
|
|
Printer << "]";
|
|
return;
|
|
}
|
|
if (T->isDictionary()) {
|
|
Printer << "[";
|
|
visit(T->getGenericArgs()[0]);
|
|
Printer << " : ";
|
|
visit(T->getGenericArgs()[1]);
|
|
Printer << "]";
|
|
return;
|
|
}
|
|
if (T->isOptional()) {
|
|
printWithParensIfNotSimple(T->getGenericArgs()[0]);
|
|
Printer << "?";
|
|
return;
|
|
}
|
|
}
|
|
printQualifiedType(T);
|
|
|
|
if (Options.PrintTypesForDebugging)
|
|
printGenericArgs(T->getGenericArgs());
|
|
else
|
|
printGenericArgs(T->getExpandedGenericArgs());
|
|
}
|
|
|
|
void visitParentType(Type T) {
|
|
/// Don't print the parent type if it's being printed in that type context.
|
|
if (Options.TransformContext) {
|
|
if (auto currentType = Options.TransformContext->getBaseType()) {
|
|
auto printingType = T;
|
|
if (currentType->hasArchetype())
|
|
currentType = currentType->mapTypeOutOfContext();
|
|
|
|
if (auto errorTy = printingType->getAs<ErrorType>())
|
|
if (auto origTy = errorTy->getOriginalType())
|
|
printingType = origTy;
|
|
|
|
if (printingType->hasArchetype())
|
|
printingType = printingType->mapTypeOutOfContext();
|
|
|
|
if (currentType->isEqual(printingType))
|
|
return;
|
|
}
|
|
}
|
|
if (Options.SkipInlineCXXNamespace) {
|
|
// Don't print the parent type if it's a reference to an inline C++
|
|
// namespace.
|
|
if (auto *enumTy = T->getAs<EnumType>()) {
|
|
if (const auto *namespaceDecl = dyn_cast_or_null<clang::NamespaceDecl>(
|
|
enumTy->getDecl()->getClangDecl())) {
|
|
if (namespaceDecl->isInline()) {
|
|
if (auto parent = enumTy->getParent())
|
|
visitParentType(parent);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
PrintOptions innerOptions = Options;
|
|
innerOptions.SynthesizeSugarOnTypes = false;
|
|
|
|
if (auto sugarType = dyn_cast<SyntaxSugarType>(T.getPointer()))
|
|
T = sugarType->getImplementationType();
|
|
|
|
TypePrinter(Printer, innerOptions).printWithParensIfNotSimple(T);
|
|
Printer << ".";
|
|
}
|
|
|
|
void visitEnumType(EnumType *T) {
|
|
printQualifiedType(T);
|
|
}
|
|
|
|
void visitStructType(StructType *T) {
|
|
printQualifiedType(T);
|
|
}
|
|
|
|
void visitClassType(ClassType *T) {
|
|
printQualifiedType(T);
|
|
}
|
|
|
|
void visitAnyMetatypeType(AnyMetatypeType *T) {
|
|
if (T->hasRepresentation()) {
|
|
switch (T->getRepresentation()) {
|
|
case MetatypeRepresentation::Thin: Printer << "@thin "; break;
|
|
case MetatypeRepresentation::Thick: Printer << "@thick "; break;
|
|
case MetatypeRepresentation::ObjC: Printer << "@objc_metatype "; break;
|
|
}
|
|
}
|
|
|
|
Type instanceType = T->getInstanceType();
|
|
if (T->is<ExistentialMetatypeType>()) {
|
|
Printer << "any ";
|
|
|
|
// FIXME: We need to replace nested existential metatypes so that
|
|
// we don't print duplicate 'any'. This will be unnecessary once
|
|
// ExistentialMetatypeType is split into ExistentialType(MetatypeType).
|
|
printWithParensIfNotSimple(instanceType.transform([](Type type) -> Type {
|
|
if (auto existential = type->getAs<ExistentialMetatypeType>())
|
|
return MetatypeType::get(existential->getInstanceType());
|
|
|
|
return type;
|
|
}));
|
|
} else {
|
|
assert(T->is<MetatypeType>());
|
|
if (instanceType->is<ExistentialType>()) {
|
|
// The 'any' keyword is needed to distinguish between existential
|
|
// metatypes and singleton metatypes. However, 'any' usually isn't
|
|
// printed for Any and AnyObject, because it's unnecessary to write
|
|
// 'any' with these specific constraints. Force printing with 'any'
|
|
// for the existential instance type in this case.
|
|
instanceType->getAs<ExistentialType>()->forcePrintWithAny([&](Type ty) {
|
|
printWithParensIfNotSimple(ty);
|
|
});
|
|
} else {
|
|
printWithParensIfNotSimple(instanceType);
|
|
}
|
|
}
|
|
|
|
Printer << ".Type";
|
|
}
|
|
|
|
void visitModuleType(ModuleType *T) {
|
|
Printer << "module<";
|
|
// Should print the module real name in case module aliasing is
|
|
// used (see -module-alias), since that's the actual binary name.
|
|
Printer.printModuleRef(T->getModule(), T->getModule()->getRealName());
|
|
Printer << ">";
|
|
}
|
|
|
|
void visitDynamicSelfType(DynamicSelfType *T) {
|
|
if (Options.PrintInSILBody) {
|
|
Printer << "@dynamic_self ";
|
|
visit(T->getSelfType());
|
|
return;
|
|
}
|
|
|
|
// Try to print as a reference to the static type so that we will get a USR,
|
|
// in cursor info.
|
|
auto staticSelfT = T->getSelfType();
|
|
|
|
if (auto *NTD = staticSelfT->getAnyNominal()) {
|
|
if (isa<ClassDecl>(NTD)) {
|
|
auto Name = T->getASTContext().Id_Self;
|
|
Printer.printTypeRef(T, NTD, Name);
|
|
return;
|
|
}
|
|
}
|
|
|
|
visit(staticSelfT);
|
|
}
|
|
|
|
void printFunctionExtInfo(AnyFunctionType *fnType) {
|
|
if (!fnType->hasExtInfo()) {
|
|
Printer << "@_NO_EXTINFO ";
|
|
return;
|
|
}
|
|
auto &ctx = fnType->getASTContext();
|
|
auto info = fnType->getExtInfo();
|
|
if (Options.SkipAttributes)
|
|
return;
|
|
|
|
if (!Options.excludeAttrKind(TypeAttrKind::Differentiable)) {
|
|
switch (info.getDifferentiabilityKind()) {
|
|
case DifferentiabilityKind::Normal:
|
|
Printer << "@differentiable ";
|
|
break;
|
|
case DifferentiabilityKind::Linear:
|
|
Printer << "@differentiable(_linear) ";
|
|
break;
|
|
case DifferentiabilityKind::Forward:
|
|
Printer << "@differentiable(_forward) ";
|
|
break;
|
|
case DifferentiabilityKind::Reverse:
|
|
Printer << "@differentiable(reverse) ";
|
|
break;
|
|
case DifferentiabilityKind::NonDifferentiable:
|
|
break;
|
|
}
|
|
}
|
|
|
|
auto isolation = info.getIsolation();
|
|
switch (isolation.getKind()) {
|
|
case FunctionTypeIsolation::Kind::NonIsolated:
|
|
case FunctionTypeIsolation::Kind::Parameter:
|
|
break;
|
|
|
|
case FunctionTypeIsolation::Kind::GlobalActor:
|
|
Printer << "@";
|
|
visit(isolation.getGlobalActorType());
|
|
Printer << " ";
|
|
break;
|
|
|
|
case FunctionTypeIsolation::Kind::Erased:
|
|
if (!Options.SuppressIsolatedAny)
|
|
Printer << "@isolated(any) ";
|
|
break;
|
|
}
|
|
|
|
if (!Options.excludeAttrKind(TypeAttrKind::Sendable) && info.isSendable()) {
|
|
Printer.printSimpleAttr("@Sendable") << " ";
|
|
}
|
|
|
|
SmallString<64> buf;
|
|
switch (Options.PrintFunctionRepresentationAttrs) {
|
|
case PrintOptions::FunctionRepresentationMode::None:
|
|
return;
|
|
case PrintOptions::FunctionRepresentationMode::Full:
|
|
case PrintOptions::FunctionRepresentationMode::NameOnly:
|
|
if (Options.excludeAttrKind(TypeAttrKind::Convention) ||
|
|
info.getSILRepresentation() == SILFunctionType::Representation::Thick)
|
|
return;
|
|
|
|
bool printClangType = Options.PrintFunctionRepresentationAttrs ==
|
|
PrintOptions::FunctionRepresentationMode::Full;
|
|
Printer.callPrintStructurePre(PrintStructureKind::BuiltinAttribute);
|
|
Printer.printAttrName("@convention");
|
|
Printer << "(";
|
|
// TODO: coalesce into a single convention attribute.
|
|
switch (info.getSILRepresentation()) {
|
|
case SILFunctionType::Representation::Thick:
|
|
llvm_unreachable("thick is not printed");
|
|
case SILFunctionType::Representation::Thin:
|
|
Printer << "thin";
|
|
break;
|
|
case SILFunctionType::Representation::Block:
|
|
Printer << "block";
|
|
if (printClangType && fnType->hasNonDerivableClangType())
|
|
printCType(ctx, Printer, info);
|
|
break;
|
|
case SILFunctionType::Representation::CFunctionPointer:
|
|
Printer << "c";
|
|
if (printClangType && fnType->hasNonDerivableClangType())
|
|
printCType(ctx, Printer, info);
|
|
break;
|
|
case SILFunctionType::Representation::Method:
|
|
Printer << "method";
|
|
break;
|
|
case SILFunctionType::Representation::CXXMethod:
|
|
Printer << "cxx_method";
|
|
break;
|
|
case SILFunctionType::Representation::ObjCMethod:
|
|
Printer << "objc_method";
|
|
break;
|
|
case SILFunctionType::Representation::WitnessMethod:
|
|
Printer << "witness_method";
|
|
break;
|
|
case SILFunctionType::Representation::Closure:
|
|
Printer << "closure";
|
|
break;
|
|
case SILFunctionType::Representation::KeyPathAccessorGetter:
|
|
Printer << "keypath_accessor_getter";
|
|
break;
|
|
case SILFunctionType::Representation::KeyPathAccessorSetter:
|
|
Printer << "keypath_accessor_setter";
|
|
break;
|
|
case SILFunctionType::Representation::KeyPathAccessorEquals:
|
|
Printer << "keypath_accessor_equals";
|
|
break;
|
|
case SILFunctionType::Representation::KeyPathAccessorHash:
|
|
Printer << "keypath_accessor_hash";
|
|
break;
|
|
}
|
|
Printer << ")";
|
|
Printer.printStructurePost(PrintStructureKind::BuiltinAttribute);
|
|
Printer << " ";
|
|
}
|
|
}
|
|
|
|
void printFunctionExtInfo(SILFunctionType *fnType) {
|
|
auto &Ctx = fnType->getASTContext();
|
|
auto info = fnType->getExtInfo();
|
|
auto witnessMethodConformance =
|
|
fnType->getWitnessMethodConformanceOrInvalid();
|
|
|
|
if (Options.SkipAttributes)
|
|
return;
|
|
|
|
if (!Options.excludeAttrKind(TypeAttrKind::Differentiable)) {
|
|
switch (info.getDifferentiabilityKind()) {
|
|
case DifferentiabilityKind::Normal:
|
|
Printer << "@differentiable ";
|
|
break;
|
|
case DifferentiabilityKind::Linear:
|
|
Printer << "@differentiable(_linear) ";
|
|
break;
|
|
case DifferentiabilityKind::Forward:
|
|
Printer << "@differentiable(_forward) ";
|
|
break;
|
|
case DifferentiabilityKind::Reverse:
|
|
Printer << "@differentiable(reverse) ";
|
|
break;
|
|
case DifferentiabilityKind::NonDifferentiable:
|
|
break;
|
|
}
|
|
}
|
|
|
|
SmallString<64> buf;
|
|
switch (Options.PrintFunctionRepresentationAttrs) {
|
|
case PrintOptions::FunctionRepresentationMode::None:
|
|
break;
|
|
case PrintOptions::FunctionRepresentationMode::NameOnly:
|
|
case PrintOptions::FunctionRepresentationMode::Full:
|
|
if (Options.excludeAttrKind(TypeAttrKind::Convention) ||
|
|
info.getRepresentation() == SILFunctionType::Representation::Thick)
|
|
break;
|
|
|
|
bool printClangType = Options.PrintFunctionRepresentationAttrs ==
|
|
PrintOptions::FunctionRepresentationMode::Full;
|
|
Printer.callPrintStructurePre(PrintStructureKind::BuiltinAttribute);
|
|
Printer.printAttrName("@convention");
|
|
Printer << "(";
|
|
switch (info.getRepresentation()) {
|
|
case SILFunctionType::Representation::Thick:
|
|
llvm_unreachable("thick is not printed");
|
|
case SILFunctionType::Representation::Thin:
|
|
Printer << "thin";
|
|
break;
|
|
case SILFunctionType::Representation::Block:
|
|
Printer << "block";
|
|
if (printClangType && fnType->hasNonDerivableClangType())
|
|
printCType(Ctx, Printer, info);
|
|
break;
|
|
case SILFunctionType::Representation::CFunctionPointer:
|
|
Printer << "c";
|
|
if (printClangType && fnType->hasNonDerivableClangType())
|
|
printCType(Ctx, Printer, info);
|
|
break;
|
|
case SILFunctionType::Representation::Method:
|
|
Printer << "method";
|
|
break;
|
|
case SILFunctionType::Representation::CXXMethod:
|
|
Printer << "cxx_method";
|
|
break;
|
|
case SILFunctionType::Representation::ObjCMethod:
|
|
Printer << "objc_method";
|
|
break;
|
|
case SILFunctionType::Representation::WitnessMethod:
|
|
Printer << "witness_method: ";
|
|
printTypeDeclName(
|
|
witnessMethodConformance.getRequirement()->getDeclaredType()
|
|
->castTo<ProtocolType>());
|
|
break;
|
|
case SILFunctionType::Representation::Closure:
|
|
Printer << "closure";
|
|
break;
|
|
case SILFunctionType::Representation::KeyPathAccessorGetter:
|
|
Printer << "keypath_accessor_getter";
|
|
break;
|
|
case SILFunctionType::Representation::KeyPathAccessorSetter:
|
|
Printer << "keypath_accessor_setter";
|
|
break;
|
|
case SILFunctionType::Representation::KeyPathAccessorEquals:
|
|
Printer << "keypath_accessor_equals";
|
|
break;
|
|
case SILFunctionType::Representation::KeyPathAccessorHash:
|
|
Printer << "keypath_accessor_hash";
|
|
break;
|
|
}
|
|
Printer << ")";
|
|
Printer.printStructurePost(PrintStructureKind::BuiltinAttribute);
|
|
Printer << " ";
|
|
}
|
|
|
|
if (info.hasErasedIsolation()) {
|
|
Printer.callPrintStructurePre(PrintStructureKind::BuiltinAttribute);
|
|
Printer.printAttrName("@isolated");
|
|
Printer << "(any)";
|
|
Printer.printStructurePost(PrintStructureKind::BuiltinAttribute);
|
|
Printer << " ";
|
|
}
|
|
if (info.isUnimplementable()) {
|
|
Printer.printSimpleAttr("@unimplementable") << " ";
|
|
}
|
|
if (info.isPseudogeneric()) {
|
|
Printer.printSimpleAttr("@pseudogeneric") << " ";
|
|
}
|
|
if (info.isNoEscape()) {
|
|
Printer.printSimpleAttr("@noescape") << " ";
|
|
}
|
|
if (info.isSendable()) {
|
|
Printer.printSimpleAttr("@Sendable") << " ";
|
|
}
|
|
if (info.isAsync()) {
|
|
Printer.printSimpleAttr("@async") << " ";
|
|
}
|
|
}
|
|
|
|
void visitAnyFunctionTypeParams(
|
|
ArrayRef<AnyFunctionType::Param> Params, bool printLabels,
|
|
ArrayRef<LifetimeDependenceInfo> lifetimeDependencies) {
|
|
Printer << "(";
|
|
|
|
for (unsigned i = 0, e = Params.size(); i != e; ++i) {
|
|
if (i)
|
|
Printer << ", ";
|
|
const AnyFunctionType::Param &Param = Params[i];
|
|
|
|
Printer.callPrintStructurePre(PrintStructureKind::FunctionParameter);
|
|
SWIFT_DEFER {
|
|
Printer.printStructurePost(PrintStructureKind::FunctionParameter);
|
|
};
|
|
|
|
if ((Options.AlwaysTryPrintParameterLabels || printLabels) &&
|
|
Param.hasLabel()) {
|
|
// Label printing was requested and we have an external label. Print it
|
|
// and omit the internal label.
|
|
Printer.printName(Param.getLabel(),
|
|
PrintNameContext::FunctionParameterExternal);
|
|
Printer << ": ";
|
|
} else if (Options.AlwaysTryPrintParameterLabels &&
|
|
Param.hasInternalLabel() &&
|
|
!Param.getInternalLabel().hasDollarPrefix()) {
|
|
// We didn't have an external parameter label but were requested to
|
|
// always try and print parameter labels.
|
|
// If the internal label is a valid internal parameter label (does not
|
|
// start with '$'), print the internal label. If we have neither an
|
|
// external nor a printable internal label, only print the type.
|
|
Printer << "_ ";
|
|
Printer.printName(Param.getInternalLabel(),
|
|
PrintNameContext::FunctionParameterLocal);
|
|
Printer << ": ";
|
|
}
|
|
|
|
Printer.printLifetimeDependenceAt(lifetimeDependencies, i);
|
|
|
|
auto type = Param.getPlainType();
|
|
if (Param.isVariadic()) {
|
|
visit(type);
|
|
Printer << "...";
|
|
} else {
|
|
printParameterFlags(Printer, Options, nullptr, Param.getParameterFlags(),
|
|
isEscaping(type));
|
|
visit(type);
|
|
}
|
|
}
|
|
|
|
Printer << ")";
|
|
}
|
|
|
|
void visitFunctionType(FunctionType *T) {
|
|
Printer.callPrintStructurePre(PrintStructureKind::FunctionType);
|
|
SWIFT_DEFER {
|
|
Printer.printStructurePost(PrintStructureKind::FunctionType);
|
|
};
|
|
|
|
printFunctionExtInfo(T);
|
|
|
|
// If we're stripping argument labels from types, do it when printing.
|
|
visitAnyFunctionTypeParams(T->getParams(), /*printLabels*/ false,
|
|
T->getLifetimeDependencies());
|
|
|
|
if (T->hasExtInfo()) {
|
|
if (T->isAsync()) {
|
|
Printer << " ";
|
|
Printer.printKeyword("async", Options);
|
|
}
|
|
|
|
if (T->isThrowing()) {
|
|
Printer << " " << tok::kw_throws;
|
|
|
|
if (auto thrownError = T->getThrownError()) {
|
|
Printer << "(";
|
|
thrownError->print(Printer, Options);
|
|
Printer << ")";
|
|
}
|
|
}
|
|
}
|
|
|
|
Printer << " -> ";
|
|
|
|
if (!Options.SuppressSendingArgsAndResults && T->hasExtInfo() &&
|
|
T->hasSendingResult()) {
|
|
Printer.printKeyword("sending ", Options);
|
|
}
|
|
|
|
Printer.printLifetimeDependence(T->getLifetimeDependenceForResult());
|
|
|
|
Printer.callPrintStructurePre(PrintStructureKind::FunctionReturnType);
|
|
T->getResult().print(Printer, Options);
|
|
Printer.printStructurePost(PrintStructureKind::FunctionReturnType);
|
|
}
|
|
|
|
void printGenericSignature(GenericSignature genericSig, unsigned flags) {
|
|
PrintAST(Printer, Options).printGenericSignature(genericSig, flags);
|
|
}
|
|
|
|
void printSubstitutions(SubstitutionMap subs) {
|
|
Printer << " <";
|
|
interleave(subs.getReplacementTypes(),
|
|
[&](Type type) {
|
|
visit(type);
|
|
}, [&]{
|
|
Printer << ", ";
|
|
});
|
|
Printer << ">";
|
|
}
|
|
|
|
void visitGenericFunctionType(GenericFunctionType *T) {
|
|
Printer.callPrintStructurePre(PrintStructureKind::FunctionType);
|
|
SWIFT_DEFER {
|
|
Printer.printStructurePost(PrintStructureKind::FunctionType);
|
|
};
|
|
|
|
printFunctionExtInfo(T);
|
|
printGenericSignature(T->getGenericSignature(),
|
|
PrintAST::PrintParams |
|
|
PrintAST::defaultGenericRequirementFlags(Options));
|
|
Printer << " ";
|
|
|
|
visitAnyFunctionTypeParams(T->getParams(), /*printLabels*/ true,
|
|
T->getLifetimeDependencies());
|
|
|
|
if (T->hasExtInfo()) {
|
|
if (T->isAsync()) {
|
|
Printer << " ";
|
|
Printer.printKeyword("async", Options);
|
|
}
|
|
|
|
if (T->isThrowing()) {
|
|
Printer << " " << tok::kw_throws;
|
|
|
|
if (auto thrownError = T->getThrownError()) {
|
|
Printer << "(";
|
|
thrownError->print(Printer, Options);
|
|
Printer << ")";
|
|
}
|
|
}
|
|
}
|
|
|
|
Printer << " -> ";
|
|
|
|
Printer.printLifetimeDependenceAt(T->getLifetimeDependencies(),
|
|
T->getParams().size());
|
|
|
|
Printer.callPrintStructurePre(PrintStructureKind::FunctionReturnType);
|
|
T->getResult().print(Printer, Options);
|
|
Printer.printStructurePost(PrintStructureKind::FunctionReturnType);
|
|
}
|
|
|
|
void printSILCoroutineKind(SILCoroutineKind kind) {
|
|
switch (kind) {
|
|
case SILCoroutineKind::None:
|
|
return;
|
|
case SILCoroutineKind::YieldOnce:
|
|
Printer << "@yield_once ";
|
|
return;
|
|
case SILCoroutineKind::YieldMany:
|
|
Printer << "@yield_many ";
|
|
return;
|
|
}
|
|
llvm_unreachable("bad convention");
|
|
}
|
|
|
|
void printSILAsyncAttr(bool isAsync) {
|
|
if (isAsync) {
|
|
Printer << "@async ";
|
|
}
|
|
}
|
|
|
|
void printCalleeConvention(ParameterConvention conv) {
|
|
switch (conv) {
|
|
case ParameterConvention::Direct_Unowned:
|
|
return;
|
|
case ParameterConvention::Direct_Owned:
|
|
Printer << "@callee_owned ";
|
|
return;
|
|
case ParameterConvention::Direct_Guaranteed:
|
|
Printer << "@callee_guaranteed ";
|
|
return;
|
|
case ParameterConvention::Indirect_In:
|
|
case ParameterConvention::Indirect_Inout:
|
|
case ParameterConvention::Indirect_InoutAliasable:
|
|
case ParameterConvention::Indirect_In_CXX:
|
|
case ParameterConvention::Indirect_In_Guaranteed:
|
|
llvm_unreachable("callee convention cannot be indirect");
|
|
case ParameterConvention::Pack_Guaranteed:
|
|
case ParameterConvention::Pack_Owned:
|
|
case ParameterConvention::Pack_Inout:
|
|
llvm_unreachable("callee convention cannot be a pack");
|
|
}
|
|
llvm_unreachable("bad convention");
|
|
}
|
|
|
|
void visitSILFunctionType(SILFunctionType *T) {
|
|
printSILCoroutineKind(T->getCoroutineKind());
|
|
printFunctionExtInfo(T);
|
|
printCalleeConvention(T->getCalleeConvention());
|
|
|
|
if (GenericSignature sig = T->getInvocationGenericSignature()) {
|
|
printGenericSignature(sig,
|
|
PrintAST::PrintParams |
|
|
PrintAST::defaultGenericRequirementFlags(Options));
|
|
Printer << " ";
|
|
}
|
|
|
|
// If this is a substituted function type, then its generic signature is
|
|
// independent of the enclosing context, and defines the parameters active
|
|
// in the interface params and results. Unsubstituted types use the existing
|
|
// environment, which may be a sil decl's generic environment.
|
|
//
|
|
// Yeah, this is fiddly. In the end, we probably want all decls to have
|
|
// substituted types in terms of a generic signature declared on the decl,
|
|
// which would make this logic more uniform.
|
|
TypePrinter *sub = this;
|
|
std::optional<TypePrinter> subBuffer;
|
|
PrintOptions subOptions = Options;
|
|
if (auto substitutions = T->getPatternSubstitutions()) {
|
|
subOptions.GenericSig = nullptr;
|
|
subBuffer.emplace(Printer, subOptions);
|
|
sub = &*subBuffer;
|
|
|
|
GenericSignature sig = substitutions.getGenericSignature();
|
|
|
|
// The substituted signature is printed without inverse requirement
|
|
// desugaring, but also we drop conformances to Copyable and Escapable
|
|
// when constructing it.
|
|
sub->Printer << "@substituted ";
|
|
sub->printGenericSignature(sig,
|
|
PrintAST::PrintParams |
|
|
PrintAST::PrintRequirements);
|
|
sub->Printer << " ";
|
|
}
|
|
|
|
// Capture list used here to ensure we don't print anything using `this`
|
|
// printer, but only the sub-Printer.
|
|
[T, sub, &subOptions] {
|
|
sub->Printer << "(";
|
|
bool first = true;
|
|
unsigned paramIndex = 0;
|
|
for (auto param : T->getParameters()) {
|
|
sub->Printer.printSeparator(first, ", ");
|
|
param.print(sub->Printer, subOptions,
|
|
T->getLifetimeDependenceFor(paramIndex));
|
|
paramIndex++;
|
|
}
|
|
sub->Printer << ") -> ";
|
|
|
|
sub->Printer.printLifetimeDependence(T->getLifetimeDependenceForResult());
|
|
|
|
bool parenthesizeResults = mustParenthesizeResults(T);
|
|
if (parenthesizeResults)
|
|
sub->Printer << "(";
|
|
|
|
first = true;
|
|
|
|
for (auto yield : T->getYields()) {
|
|
sub->Printer.printSeparator(first, ", ");
|
|
sub->Printer << "@yields ";
|
|
// TODO: Fix lifetime dependence printing here
|
|
yield.print(sub->Printer, subOptions);
|
|
}
|
|
|
|
for (auto result : T->getResults()) {
|
|
sub->Printer.printSeparator(first, ", ");
|
|
result.print(sub->Printer, subOptions);
|
|
}
|
|
|
|
if (T->hasErrorResult()) {
|
|
sub->Printer.printSeparator(first, ", ");
|
|
if (T->getErrorResult().getConvention() == ResultConvention::Owned)
|
|
sub->Printer << "@error ";
|
|
else if (T->getErrorResult().getConvention() == ResultConvention::Indirect)
|
|
sub->Printer << "@error_indirect ";
|
|
else if (T->getErrorResult().getConvention() == ResultConvention::Unowned)
|
|
sub->Printer << "@error_unowned ";
|
|
else {
|
|
assert(false && "Should have error, error_indirect, or error_unowned");
|
|
}
|
|
T->getErrorResult().getInterfaceType().print(sub->Printer, subOptions);
|
|
}
|
|
|
|
if (parenthesizeResults)
|
|
sub->Printer << ")";
|
|
}();
|
|
|
|
// Both the pattern and invocation substitution types are always in
|
|
// terms of the outer environment. But this wouldn't necessarily be
|
|
// true with higher-rank polymorphism.
|
|
if (auto substitutions = T->getPatternSubstitutions()) {
|
|
Printer << " for";
|
|
printSubstitutions(substitutions);
|
|
}
|
|
if (auto substitutions = T->getInvocationSubstitutions()) {
|
|
Printer << " for";
|
|
printSubstitutions(substitutions);
|
|
}
|
|
}
|
|
|
|
static bool mustParenthesizeResults(SILFunctionType *T) {
|
|
// If we don't have exactly one result, we must parenthesize.
|
|
unsigned totalResults =
|
|
T->getNumYields() + T->getNumResults() + unsigned(T->hasErrorResult());
|
|
if (totalResults != 1)
|
|
return true;
|
|
|
|
// If we have substitutions, we must parenthesize if the single
|
|
// result is a function type.
|
|
if (!T->hasPatternSubstitutions() && !T->hasInvocationSubstitutions())
|
|
return false;
|
|
if (T->getNumResults() == 1)
|
|
return isa<SILFunctionType>(T->getResults()[0].getInterfaceType());
|
|
if (T->getNumYields() == 1)
|
|
return isa<SILFunctionType>(T->getYields()[0].getInterfaceType());
|
|
return isa<SILFunctionType>(T->getErrorResult().getInterfaceType());
|
|
}
|
|
|
|
void visitSILBlockStorageType(SILBlockStorageType *T) {
|
|
Printer << "@block_storage ";
|
|
printWithParensIfNotSimple(T->getCaptureType());
|
|
}
|
|
|
|
void visitSILBoxType(SILBoxType *T) {
|
|
// Print attributes.
|
|
if (T->getLayout()->capturesGenericEnvironment()) {
|
|
Printer << "@captures_generics ";
|
|
}
|
|
|
|
{
|
|
// A box layout has its own independent generic environment. Don't try
|
|
// to print it with the environment's generic params.
|
|
PrintOptions subOptions = Options;
|
|
subOptions.GenericSig = nullptr;
|
|
TypePrinter sub(Printer, subOptions);
|
|
|
|
// Capture list used here to ensure we don't print anything using `this`
|
|
// printer, but only the sub-Printer.
|
|
[&sub, T, options=Options]{
|
|
if (auto sig = T->getLayout()->getGenericSignature()) {
|
|
sub.printGenericSignature(sig,
|
|
PrintAST::PrintParams |
|
|
PrintAST::defaultGenericRequirementFlags(options));
|
|
sub.Printer << " ";
|
|
}
|
|
sub.Printer << "{";
|
|
interleave(T->getLayout()->getFields(),
|
|
[&](const SILField &field) {
|
|
sub.Printer <<
|
|
(field.isMutable() ? " var " : " let ");
|
|
sub.visit(field.getLoweredType());
|
|
},
|
|
[&]{
|
|
sub.Printer << ",";
|
|
});
|
|
sub.Printer << " }";
|
|
}();
|
|
}
|
|
|
|
// The arguments to the layout, if any, do come from the outer environment.
|
|
if (auto subMap = T->getSubstitutions()) {
|
|
printSubstitutions(subMap);
|
|
}
|
|
}
|
|
|
|
void visitSILMoveOnlyWrappedType(SILMoveOnlyWrappedType *T) {
|
|
Printer << "@moveOnly ";
|
|
printWithParensIfNotSimple(T->getInnerType());
|
|
}
|
|
|
|
void visitArraySliceType(ArraySliceType *T) {
|
|
if (Options.AlwaysDesugarArraySliceTypes) {
|
|
visit(T->getDesugaredType());
|
|
} else {
|
|
Printer << "[";
|
|
visit(T->getBaseType());
|
|
Printer << "]";
|
|
}
|
|
}
|
|
|
|
void visitDictionaryType(DictionaryType *T) {
|
|
if (Options.AlwaysDesugarDictionaryTypes) {
|
|
visit(T->getDesugaredType());
|
|
} else {
|
|
Printer << "[";
|
|
visit(T->getKeyType());
|
|
Printer << " : ";
|
|
visit(T->getValueType());
|
|
Printer << "]";
|
|
}
|
|
}
|
|
|
|
void visitOptionalType(OptionalType *T) {
|
|
auto printAsIUO = Options.PrintOptionalAsImplicitlyUnwrapped;
|
|
if (Options.AlwaysDesugarOptionalTypes) {
|
|
visit(T->getDesugaredType());
|
|
return;
|
|
} else {
|
|
// Printing optionals with a trailing '!' applies only to
|
|
// top-level optionals, not to any nested within.
|
|
const_cast<PrintOptions &>(Options).PrintOptionalAsImplicitlyUnwrapped =
|
|
false;
|
|
printWithParensIfNotSimple(T->getBaseType());
|
|
const_cast<PrintOptions &>(Options).PrintOptionalAsImplicitlyUnwrapped =
|
|
printAsIUO;
|
|
if (printAsIUO)
|
|
Printer << "!";
|
|
else
|
|
Printer << "?";
|
|
}
|
|
}
|
|
|
|
void visitVariadicSequenceType(VariadicSequenceType *T) {
|
|
if (Options.PrintForSIL) {
|
|
Printer << "[";
|
|
visit(T->getBaseType());
|
|
Printer << "]";
|
|
} else {
|
|
visit(T->getBaseType());
|
|
Printer << "...";
|
|
}
|
|
}
|
|
|
|
void visitProtocolType(ProtocolType *T) {
|
|
printQualifiedType(T);
|
|
}
|
|
|
|
void visitProtocolCompositionType(ProtocolCompositionType *T) {
|
|
interleave(T->getMembers(), [&](Type Ty) { visit(Ty); },
|
|
[&] { Printer << " & "; });
|
|
|
|
bool printed = !T->getMembers().empty();
|
|
auto printSpecial = [&](llvm::StringRef str, bool tilde=false) {
|
|
if (printed)
|
|
Printer << " & ";
|
|
|
|
if (tilde)
|
|
Printer << "~";
|
|
|
|
Printer << str;
|
|
printed = true;
|
|
};
|
|
|
|
if (T->hasExplicitAnyObject())
|
|
printSpecial("AnyObject");
|
|
|
|
for (auto ip : T->getInverses())
|
|
printSpecial(getProtocolName(getKnownProtocolKind(ip)), true);
|
|
|
|
if (!printed)
|
|
Printer.printKeyword("Any", Options);
|
|
}
|
|
|
|
void visitParameterizedProtocolType(ParameterizedProtocolType *T) {
|
|
visit(T->getBaseType());
|
|
Printer << "<";
|
|
interleave(T->getArgs(), [&](Type Ty) { visit(Ty); },
|
|
[&] { Printer << ", "; });
|
|
Printer << ">";
|
|
}
|
|
|
|
void visitExistentialType(ExistentialType *T) {
|
|
if (T->shouldPrintWithAny())
|
|
Printer << "any ";
|
|
|
|
// FIXME: The desugared type is used here only to support
|
|
// existential types with protocol typealiases in Swift
|
|
// interfaces. Verifying that the underlying type of a
|
|
// protocol typealias is a constriant type is fundamentally
|
|
// circular, so the desugared type should be written in source.
|
|
if (Options.DesugarExistentialConstraint && !T->isAnyObject()) {
|
|
visit(T->getConstraintType()->getDesugaredType());
|
|
} else {
|
|
visit(T->getConstraintType());
|
|
}
|
|
}
|
|
|
|
void visitBuiltinTupleType(BuiltinTupleType *T) {
|
|
printQualifiedType(T);
|
|
}
|
|
|
|
void visitLValueType(LValueType *T) {
|
|
Printer << "@lvalue ";
|
|
visit(T->getObjectType());
|
|
}
|
|
|
|
void visitInOutType(InOutType *T) {
|
|
Printer << tok::kw_inout << " ";
|
|
visit(T->getObjectType());
|
|
}
|
|
|
|
void visitOpenedArchetypeType(OpenedArchetypeType *T) {
|
|
if (Options.PrintForSIL) {
|
|
Printer << "@opened(\"" << T->getOpenedExistentialID() << "\", ";
|
|
visit(T->getGenericEnvironment()->getOpenedExistentialType());
|
|
Printer << ") ";
|
|
|
|
llvm::DenseMap<CanType, Identifier> newAlternativeTypeNames;
|
|
|
|
auto interfaceTy = T->getInterfaceType();
|
|
auto selfTy = interfaceTy->getRootGenericParam();
|
|
auto &ctx = selfTy->getASTContext();
|
|
newAlternativeTypeNames[selfTy->getCanonicalType()] = ctx.Id_Self;
|
|
|
|
PrintOptions subOptions = Options;
|
|
subOptions.AlternativeTypeNames = &newAlternativeTypeNames;
|
|
TypePrinter sub(Printer, subOptions);
|
|
sub.visit(interfaceTy);
|
|
} else {
|
|
visit(T->getExistentialType());
|
|
}
|
|
}
|
|
|
|
static Type findPackForElementArchetype(ElementArchetypeType *T) {
|
|
// The type in @pack_element is looked up in the generic params
|
|
// of the identified open_pack_element instruction. The param list
|
|
// is long gone, but the sugar survives in the type parameters of
|
|
// the generic signature of the contextual substitution map in the
|
|
// opened element environment.
|
|
auto env = T->getGenericEnvironment();
|
|
auto subs = env->getPackElementContextSubstitutions();
|
|
auto sig = subs.getGenericSignature();
|
|
auto params = sig.getGenericParams();
|
|
|
|
auto elementShapeClass = env->getOpenedElementShapeClass();
|
|
|
|
// The element archetypes are at a depth one past the max depth
|
|
// of the base signature.
|
|
unsigned elementDepth = sig.getNextDepth();
|
|
|
|
// Transform the archetype's interface type to be based on the
|
|
// corresponding non-canonical type parameter.
|
|
auto interfaceType = T->getInterfaceType();
|
|
return interfaceType.subst([&](SubstitutableType *type) -> Type {
|
|
// Don't transform types that aren't element type parameters.
|
|
auto *elementParam = type->getAs<GenericTypeParamType>();
|
|
if (!elementParam || elementParam->getDepth() != elementDepth)
|
|
return Type();
|
|
|
|
// Loop through the type parameters looking for the type parameter
|
|
// pack at the appropriate index. We only expect to actually do
|
|
// this once for each type, so it's fine to do it in the callback.
|
|
unsigned nextIndex = 0;
|
|
for (auto *genericParam : params) {
|
|
if (!genericParam->isParameterPack())
|
|
continue;
|
|
|
|
if (!sig->haveSameShape(genericParam, elementShapeClass))
|
|
continue;
|
|
|
|
if (nextIndex == elementParam->getIndex())
|
|
return genericParam;
|
|
nextIndex++;
|
|
}
|
|
llvm_unreachable("ran out of type parameters");
|
|
return Type();
|
|
}, LookUpConformanceInModule());
|
|
}
|
|
|
|
void visitElementArchetypeType(ElementArchetypeType *T) {
|
|
if (Options.PrintForSIL) {
|
|
Printer << "@pack_element(\"" << T->getOpenedElementID() << "\") ";
|
|
auto packTy = findPackForElementArchetype(T);
|
|
visit(packTy);
|
|
} else {
|
|
visit(T->getInterfaceType());
|
|
}
|
|
}
|
|
|
|
void printDependentMember(DependentMemberType *T) {
|
|
if (auto *const Assoc = T->getAssocType()) {
|
|
if (Options.ProtocolQualifiedDependentMemberTypes) {
|
|
Printer << "[";
|
|
Printer.printName(Assoc->getProtocol()->getName());
|
|
Printer << "]";
|
|
}
|
|
Printer.printTypeRef(T, Assoc, T->getName());
|
|
} else {
|
|
Printer.printName(T->getName());
|
|
}
|
|
}
|
|
|
|
void printEach() {
|
|
Printer << "each ";
|
|
}
|
|
|
|
void printArchetypeCommon(Type interfaceTy, ArchetypeType *archetypeTy) {
|
|
if (auto *paramTy = interfaceTy->getAs<GenericTypeParamType>()) {
|
|
assert(archetypeTy->isRoot());
|
|
|
|
if (Options.AlternativeTypeNames) {
|
|
auto found = Options.AlternativeTypeNames->find(CanType(archetypeTy));
|
|
if (found != Options.AlternativeTypeNames->end()) {
|
|
if (paramTy->isParameterPack()) printEach();
|
|
Printer << found->second.str();
|
|
return;
|
|
}
|
|
}
|
|
|
|
visit(paramTy);
|
|
return;
|
|
}
|
|
|
|
auto *memberTy = interfaceTy->castTo<DependentMemberType>();
|
|
if (memberTy->getBase()->is<GenericTypeParamType>())
|
|
visitParentType(archetypeTy->getRoot());
|
|
else {
|
|
printArchetypeCommon(memberTy->getBase(), archetypeTy->getRoot());
|
|
Printer << ".";
|
|
}
|
|
|
|
printDependentMember(memberTy);
|
|
}
|
|
|
|
void visitPrimaryArchetypeType(PrimaryArchetypeType *T) {
|
|
printArchetypeCommon(T->getInterfaceType(), T);
|
|
}
|
|
|
|
void visitOpaqueTypeArchetypeType(OpaqueTypeArchetypeType *T) {
|
|
auto interfaceTy = T->getInterfaceType();
|
|
auto *paramTy = interfaceTy->getAs<GenericTypeParamType>();
|
|
|
|
if (!paramTy) {
|
|
assert(interfaceTy->is<DependentMemberType>());
|
|
printArchetypeCommon(interfaceTy, T);
|
|
return;
|
|
}
|
|
|
|
// Try to print a named opaque type.
|
|
auto printNamedOpaque = [&] {
|
|
unsigned ordinal = paramTy->getIndex();
|
|
if (auto genericParam = T->getDecl()->getExplicitGenericParam(ordinal)) {
|
|
visit(genericParam->getDeclaredInterfaceType());
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
};
|
|
|
|
OpaqueTypeDecl *decl = T->getDecl();
|
|
auto *namingDecl = decl->getNamingDecl();
|
|
auto genericSig = namingDecl->getInnermostDeclContext()
|
|
->getGenericSignatureOfContext();
|
|
|
|
switch (Options.OpaqueReturnTypePrinting) {
|
|
case PrintOptions::OpaqueReturnTypePrintingMode::WithOpaqueKeyword:
|
|
if (printNamedOpaque())
|
|
return;
|
|
|
|
Printer.printKeyword("some", Options, /*Suffix=*/" ");
|
|
LLVM_FALLTHROUGH;
|
|
case PrintOptions::OpaqueReturnTypePrintingMode::WithoutOpaqueKeyword: {
|
|
if (printNamedOpaque())
|
|
return;
|
|
|
|
auto constraint = T->getExistentialType();
|
|
if (auto existential = constraint->getAs<ExistentialType>())
|
|
constraint = existential->getConstraintType();
|
|
|
|
// Opaque archetype substitutions are always canonical, so re-sugar the
|
|
// constraint type using the owning declaration's generic parameter names.
|
|
if (genericSig)
|
|
constraint = genericSig->getSugaredType(constraint);
|
|
|
|
visit(constraint);
|
|
return;
|
|
}
|
|
case PrintOptions::OpaqueReturnTypePrintingMode::StableReference: {
|
|
// Print the source of the opaque return type as a mangled name.
|
|
// We'll use type reconstruction while parsing the attribute to
|
|
// turn this back into a reference to the naming decl for the opaque
|
|
// type.
|
|
Printer << "@_opaqueReturnTypeOf(";
|
|
|
|
Printer.printEscapedStringLiteral(
|
|
decl->getOpaqueReturnTypeIdentifier().str());
|
|
|
|
Printer << ", " << paramTy->getIndex();
|
|
|
|
// The identifier after the closing parenthesis is irrelevant and can be
|
|
// anything. It just needs to be there for the @_opaqueReturnTypeOf
|
|
// attribute to apply to, but the attribute alone references the opaque
|
|
// type.
|
|
Printer << ") __";
|
|
|
|
if (genericSig) {
|
|
printGenericArgs(decl->getASTContext(),
|
|
genericSig.getGenericParams(),
|
|
T->getSubstitutions().getReplacementTypes());
|
|
}
|
|
return;
|
|
}
|
|
case PrintOptions::OpaqueReturnTypePrintingMode::Description: {
|
|
// TODO(opaque): present opaque types with user-facing syntax. we should
|
|
// probably print this as `some P` and record the fact that we printed that
|
|
// so that diagnostics can add followup notes.
|
|
Printer << "(return type of " << namingDecl->printRef();
|
|
Printer << ')';
|
|
if (genericSig) {
|
|
printGenericArgs(decl->getASTContext(),
|
|
genericSig.getGenericParams(),
|
|
T->getSubstitutions().getReplacementTypes());
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
void visitPackArchetypeType(PackArchetypeType *T) {
|
|
printArchetypeCommon(T->getInterfaceType(), T);
|
|
}
|
|
|
|
void visitGenericTypeParamType(GenericTypeParamType *T) {
|
|
auto printPrefix = [&]{
|
|
if (T->isParameterPack()) printEach();
|
|
};
|
|
|
|
auto decl = T->getDecl();
|
|
if (!decl) {
|
|
// If we have an alternate name for this type, use it.
|
|
if (Options.AlternativeTypeNames) {
|
|
auto found = Options.AlternativeTypeNames->find(T->getCanonicalType());
|
|
if (found != Options.AlternativeTypeNames->end()) {
|
|
printPrefix();
|
|
Printer << found->second.str();
|
|
return;
|
|
}
|
|
}
|
|
|
|
// When printing SIL types, use a generic signature to map them from
|
|
// canonical types to sugared types.
|
|
if (Options.GenericSig)
|
|
T = Options.GenericSig->getSugaredType(T);
|
|
|
|
decl = T->getDecl();
|
|
}
|
|
|
|
// Print opaque types as "some ..."
|
|
if (decl && decl->isOpaqueType()) {
|
|
// For SIL, we print opaque parameter types as canonical types, and parse
|
|
// them that way too (because they're printed in this way in the SIL
|
|
// generic parameter list).
|
|
if (Options.PrintInSILBody) {
|
|
Printer.printName(cast<GenericTypeParamType>(T->getCanonicalType())->getName());
|
|
return;
|
|
}
|
|
|
|
// If we have and should print based on the type representation, do so.
|
|
if (auto opaqueRepr = decl->getOpaqueTypeRepr()) {
|
|
if (willUseTypeReprPrinting(opaqueRepr, Type(), Options)) {
|
|
printPrefix();
|
|
opaqueRepr->print(Printer, Options);
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Print based on the type.
|
|
Printer << "some ";
|
|
auto archetypeType = decl->getDeclContext()->mapTypeIntoContext(
|
|
decl->getDeclaredInterfaceType())->castTo<ArchetypeType>();
|
|
auto constraintType = archetypeType->getExistentialType();
|
|
if (auto *existentialType = constraintType->getAs<ExistentialType>())
|
|
constraintType = existentialType->getConstraintType();
|
|
|
|
constraintType->print(Printer, Options);
|
|
return;
|
|
}
|
|
|
|
printPrefix();
|
|
|
|
const auto Name = T->getName();
|
|
if (Name.empty()) {
|
|
Printer << "<anonymous>";
|
|
} else if (auto *Decl = T->getDecl()) {
|
|
Printer.printTypeRef(T, Decl, Name);
|
|
} else {
|
|
Printer.printName(Name);
|
|
}
|
|
}
|
|
|
|
void visitDependentMemberType(DependentMemberType *T) {
|
|
visitParentType(T->getBase());
|
|
printDependentMember(T);
|
|
}
|
|
|
|
#define REF_STORAGE(Name, name, ...) \
|
|
void visit##Name##StorageType(Name##StorageType *T) { \
|
|
if (Options.PrintStorageRepresentationAttrs) \
|
|
Printer << "@sil_" #name " "; \
|
|
visit(T->getReferentType()); \
|
|
}
|
|
#include "swift/AST/ReferenceStorage.def"
|
|
|
|
void visitTypeVariableType(TypeVariableType *T) {
|
|
if (Options.PrintTypesForDebugging) {
|
|
Printer << "$T" << T->getID();
|
|
return;
|
|
}
|
|
|
|
Printer << "_";
|
|
}
|
|
};
|
|
} // unnamed namespace
|
|
|
|
void Type::print(raw_ostream &OS, const PrintOptions &PO) const {
|
|
StreamPrinter Printer(OS);
|
|
print(Printer, PO);
|
|
}
|
|
void Type::print(ASTPrinter &Printer, const PrintOptions &PO) const {
|
|
if (isNull()) {
|
|
if (!PO.AllowNullTypes) {
|
|
// Use report_fatal_error instead of assert to trap in release builds too.
|
|
llvm::report_fatal_error("Cannot pretty-print a null type");
|
|
}
|
|
Printer << "<null>";
|
|
return;
|
|
}
|
|
TypePrinter(Printer, PO).visit(*this);
|
|
}
|
|
|
|
void AnyFunctionType::printParams(ArrayRef<AnyFunctionType::Param> Params,
|
|
raw_ostream &OS,
|
|
const PrintOptions &PO) {
|
|
StreamPrinter Printer(OS);
|
|
printParams(Params, Printer, PO);
|
|
}
|
|
void AnyFunctionType::printParams(ArrayRef<AnyFunctionType::Param> Params,
|
|
ASTPrinter &Printer,
|
|
const PrintOptions &PO) {
|
|
// TODO: Handle lifetime dependence printing here
|
|
TypePrinter(Printer, PO)
|
|
.visitAnyFunctionTypeParams(Params,
|
|
/*printLabels*/ true, {});
|
|
}
|
|
|
|
std::string
|
|
AnyFunctionType::getParamListAsString(ArrayRef<AnyFunctionType::Param> Params,
|
|
const PrintOptions &PO) {
|
|
SmallString<16> Scratch;
|
|
llvm::raw_svector_ostream OS(Scratch);
|
|
AnyFunctionType::printParams(Params, OS);
|
|
return std::string(OS.str());
|
|
}
|
|
|
|
void LayoutConstraintInfo::print(raw_ostream &OS,
|
|
const PrintOptions &PO) const {
|
|
StreamPrinter Printer(OS);
|
|
print(Printer, PO);
|
|
}
|
|
|
|
void LayoutConstraint::print(raw_ostream &OS,
|
|
const PrintOptions &PO) const {
|
|
assert(*this);
|
|
getPointer()->print(OS, PO);
|
|
}
|
|
|
|
void LayoutConstraintInfo::print(ASTPrinter &Printer,
|
|
const PrintOptions &PO) const {
|
|
Printer << getName(PO.PrintInternalLayoutName);
|
|
switch (getKind()) {
|
|
case LayoutConstraintKind::UnknownLayout:
|
|
case LayoutConstraintKind::RefCountedObject:
|
|
case LayoutConstraintKind::NativeRefCountedObject:
|
|
case LayoutConstraintKind::Class:
|
|
case LayoutConstraintKind::NativeClass:
|
|
case LayoutConstraintKind::Trivial:
|
|
case LayoutConstraintKind::BridgeObject:
|
|
return; // non-parameterized cases
|
|
case LayoutConstraintKind::TrivialOfAtMostSize:
|
|
case LayoutConstraintKind::TrivialOfExactSize:
|
|
case LayoutConstraintKind::TrivialStride:
|
|
Printer << "(";
|
|
Printer << SizeInBits;
|
|
if (Alignment)
|
|
Printer << ", " << Alignment;
|
|
Printer << ")";
|
|
break;
|
|
}
|
|
}
|
|
|
|
void GenericSignatureImpl::print(raw_ostream &OS, PrintOptions PO) const {
|
|
GenericSignature(const_cast<GenericSignatureImpl *>(this)).print(OS, PO);
|
|
}
|
|
void GenericSignatureImpl::print(ASTPrinter &Printer, PrintOptions PO) const {
|
|
GenericSignature(const_cast<GenericSignatureImpl *>(this)).print(Printer, PO);
|
|
}
|
|
|
|
void GenericSignature::print(raw_ostream &OS, const PrintOptions &Opts) const {
|
|
StreamPrinter Printer(OS);
|
|
print(Printer, Opts);
|
|
}
|
|
|
|
void GenericSignature::print(ASTPrinter &Printer,
|
|
const PrintOptions &Opts) const {
|
|
if (isNull()) {
|
|
Printer << "<null>";
|
|
return;
|
|
}
|
|
|
|
auto flags = PrintAST::PrintParams | PrintAST::PrintRequirements;
|
|
if (Opts.PrintInverseRequirements)
|
|
flags |= PrintAST::PrintInverseRequirements;
|
|
PrintAST(Printer, Opts).printGenericSignature(*this, flags);
|
|
}
|
|
|
|
void RequirementSignature::print(ProtocolDecl *owner,
|
|
raw_ostream &OS,
|
|
const PrintOptions &Opts) const {
|
|
StreamPrinter Printer(OS);
|
|
print(owner, Printer, Opts);
|
|
}
|
|
|
|
void RequirementSignature::print(ProtocolDecl *owner,
|
|
ASTPrinter &Printer,
|
|
const PrintOptions &Opts) const {
|
|
auto flags = PrintAST::PrintParams | PrintAST::PrintRequirements;
|
|
if (Opts.PrintInverseRequirements)
|
|
flags |= PrintAST::PrintInverseRequirements;
|
|
PrintAST(Printer, Opts).printRequirementSignature(owner, *this, flags, nullptr);
|
|
}
|
|
|
|
void Requirement::print(raw_ostream &os, const PrintOptions &opts) const {
|
|
StreamPrinter printer(os);
|
|
PrintAST(printer, opts).printRequirement(*this);
|
|
}
|
|
|
|
void Requirement::print(ASTPrinter &printer, const PrintOptions &opts) const {
|
|
PrintAST(printer, opts).printRequirement(*this);
|
|
}
|
|
|
|
void InverseRequirement::print(raw_ostream &os,
|
|
const PrintOptions &opts,
|
|
bool forInherited) const {
|
|
StreamPrinter printer(os);
|
|
PrintAST(printer, opts).printRequirement(*this, forInherited);
|
|
}
|
|
|
|
std::string GenericSignatureImpl::getAsString() const {
|
|
return GenericSignature(const_cast<GenericSignatureImpl *>(this))
|
|
.getAsString();
|
|
}
|
|
|
|
std::string GenericSignature::getAsString() const {
|
|
std::string result;
|
|
llvm::raw_string_ostream out(result);
|
|
print(out);
|
|
return out.str();
|
|
}
|
|
|
|
StringRef swift::getStringForParameterConvention(ParameterConvention conv) {
|
|
switch (conv) {
|
|
case ParameterConvention::Indirect_In: return "@in ";
|
|
case ParameterConvention::Indirect_In_Guaranteed: return "@in_guaranteed ";
|
|
case ParameterConvention::Indirect_Inout: return "@inout ";
|
|
case ParameterConvention::Indirect_InoutAliasable: return "@inout_aliasable ";
|
|
case ParameterConvention::Indirect_In_CXX: return "@in_cxx ";
|
|
case ParameterConvention::Direct_Owned: return "@owned ";
|
|
case ParameterConvention::Direct_Unowned: return "";
|
|
case ParameterConvention::Direct_Guaranteed: return "@guaranteed ";
|
|
case ParameterConvention::Pack_Guaranteed: return "@pack_guaranteed ";
|
|
case ParameterConvention::Pack_Owned: return "@pack_owned ";
|
|
case ParameterConvention::Pack_Inout: return "@pack_inout ";
|
|
}
|
|
llvm_unreachable("bad parameter convention");
|
|
}
|
|
|
|
StringRef swift::getCheckedCastKindName(CheckedCastKind kind) {
|
|
switch (kind) {
|
|
case CheckedCastKind::Unresolved:
|
|
return "unresolved";
|
|
case CheckedCastKind::Coercion:
|
|
return "coercion";
|
|
case CheckedCastKind::ValueCast:
|
|
return "value_cast";
|
|
case CheckedCastKind::ArrayDowncast:
|
|
return "array_downcast";
|
|
case CheckedCastKind::DictionaryDowncast:
|
|
return "dictionary_downcast";
|
|
case CheckedCastKind::SetDowncast:
|
|
return "set_downcast";
|
|
case CheckedCastKind::BridgingCoercion:
|
|
return "bridging_coercion";
|
|
}
|
|
llvm_unreachable("bad checked cast name");
|
|
}
|
|
|
|
void SILParameterInfo::print(
|
|
raw_ostream &OS, const PrintOptions &Opts,
|
|
std::optional<LifetimeDependenceInfo> lifetimeDependence) const {
|
|
StreamPrinter Printer(OS);
|
|
print(Printer, Opts, lifetimeDependence);
|
|
}
|
|
|
|
void SILParameterInfo::print(
|
|
ASTPrinter &Printer, const PrintOptions &Opts,
|
|
std::optional<LifetimeDependenceInfo> lifetimeDependence) const {
|
|
auto options = getOptions();
|
|
|
|
if (options.contains(SILParameterInfo::NotDifferentiable)) {
|
|
options -= SILParameterInfo::NotDifferentiable;
|
|
Printer << "@noDerivative ";
|
|
}
|
|
|
|
if (options.contains(SILParameterInfo::Sending)) {
|
|
options -= SILParameterInfo::Sending;
|
|
Printer << "@sil_sending ";
|
|
}
|
|
|
|
if (options.contains(SILParameterInfo::Isolated)) {
|
|
options -= SILParameterInfo::Isolated;
|
|
Printer << "@sil_isolated ";
|
|
}
|
|
|
|
if (lifetimeDependence) {
|
|
Printer.printLifetimeDependence(*lifetimeDependence);
|
|
}
|
|
|
|
// If we did not handle a case in Options, this code was not updated
|
|
// appropriately.
|
|
assert(!bool(options) && "Code not updated for introduced option");
|
|
|
|
Printer << getStringForParameterConvention(getConvention());
|
|
getInterfaceType().print(Printer, Opts);
|
|
}
|
|
|
|
static StringRef getStringForResultConvention(ResultConvention conv) {
|
|
switch (conv) {
|
|
case ResultConvention::Indirect: return "@out ";
|
|
case ResultConvention::Owned: return "@owned ";
|
|
case ResultConvention::Unowned: return "";
|
|
case ResultConvention::UnownedInnerPointer: return "@unowned_inner_pointer ";
|
|
case ResultConvention::Autoreleased: return "@autoreleased ";
|
|
case ResultConvention::Pack: return "@pack_out ";
|
|
}
|
|
llvm_unreachable("bad result convention");
|
|
}
|
|
|
|
void SILResultInfo::print(raw_ostream &OS, const PrintOptions &Opts) const {
|
|
StreamPrinter Printer(OS);
|
|
print(Printer, Opts);
|
|
}
|
|
|
|
void SILResultInfo::print(ASTPrinter &Printer, const PrintOptions &Opts) const {
|
|
auto options = getOptions();
|
|
|
|
if (options.contains(SILResultInfo::NotDifferentiable)) {
|
|
options -= SILResultInfo::NotDifferentiable;
|
|
Printer << "@noDerivative ";
|
|
}
|
|
|
|
if (options.contains(SILResultInfo::IsSending)) {
|
|
options -= SILResultInfo::IsSending;
|
|
Printer << "@sil_sending ";
|
|
}
|
|
|
|
assert(!bool(options) && "ResultInfo has option that was not handled?!");
|
|
|
|
Printer << getStringForResultConvention(getConvention());
|
|
getInterfaceType().print(Printer, Opts);
|
|
}
|
|
|
|
std::string Type::getString(const PrintOptions &PO) const {
|
|
std::string Result;
|
|
llvm::raw_string_ostream OS(Result);
|
|
print(OS, PO);
|
|
return OS.str();
|
|
}
|
|
|
|
std::string TypeBase::getString(const PrintOptions &PO) const {
|
|
std::string Result;
|
|
llvm::raw_string_ostream OS(Result);
|
|
print(OS, PO);
|
|
return OS.str();
|
|
}
|
|
|
|
std::string Type::getStringAsComponent(const PrintOptions &PO) const {
|
|
std::string Result;
|
|
llvm::raw_string_ostream OS(Result);
|
|
|
|
if (getPointer()->hasSimpleTypeRepr()) {
|
|
print(OS, PO);
|
|
} else {
|
|
OS << "(";
|
|
print(OS, PO);
|
|
OS << ")";
|
|
}
|
|
|
|
return OS.str();
|
|
}
|
|
|
|
std::string TypeBase::getStringAsComponent(const PrintOptions &PO) const {
|
|
std::string Result;
|
|
llvm::raw_string_ostream OS(Result);
|
|
|
|
if (hasSimpleTypeRepr()) {
|
|
print(OS, PO);
|
|
} else {
|
|
OS << "(";
|
|
print(OS, PO);
|
|
OS << ")";
|
|
}
|
|
|
|
return OS.str();
|
|
}
|
|
|
|
void TypeBase::dumpPrint() const {
|
|
print(llvm::errs());
|
|
llvm::errs() << '\n';
|
|
}
|
|
void TypeBase::print(raw_ostream &OS, const PrintOptions &PO) const {
|
|
Type(const_cast<TypeBase *>(this)).print(OS, PO);
|
|
}
|
|
void TypeBase::print(ASTPrinter &Printer, const PrintOptions &PO) const {
|
|
Type(const_cast<TypeBase *>(this)).print(Printer, PO);
|
|
}
|
|
|
|
std::string LayoutConstraint::getString(const PrintOptions &PO) const {
|
|
std::string Result;
|
|
llvm::raw_string_ostream OS(Result);
|
|
print(OS, PO);
|
|
return OS.str();
|
|
}
|
|
|
|
std::string LayoutConstraintInfo::getString(const PrintOptions &PO) const {
|
|
std::string Result;
|
|
llvm::raw_string_ostream OS(Result);
|
|
print(OS, PO);
|
|
return OS.str();
|
|
}
|
|
|
|
void ProtocolConformance::printName(llvm::raw_ostream &os,
|
|
const PrintOptions &PO) const {
|
|
if (getKind() == ProtocolConformanceKind::Normal) {
|
|
if (auto genericSig = getGenericSignature()) {
|
|
StreamPrinter sPrinter(os);
|
|
TypePrinter typePrinter(sPrinter, PO);
|
|
typePrinter
|
|
.printGenericSignature(
|
|
genericSig,
|
|
PrintAST::PrintParams |
|
|
PrintAST::defaultGenericRequirementFlags(PO));
|
|
os << ' ';
|
|
}
|
|
}
|
|
|
|
getType()->print(os, PO);
|
|
os << ": ";
|
|
|
|
switch (getKind()) {
|
|
case ProtocolConformanceKind::Normal: {
|
|
auto normal = cast<NormalProtocolConformance>(this);
|
|
os << normal->getProtocol()->getName()
|
|
<< " module " << normal->getDeclContext()->getParentModule()->getRealName();
|
|
break;
|
|
}
|
|
case ProtocolConformanceKind::Self: {
|
|
auto self = cast<SelfProtocolConformance>(this);
|
|
os << self->getProtocol()->getName()
|
|
<< " module " << self->getDeclContext()->getParentModule()->getRealName();
|
|
break;
|
|
}
|
|
case ProtocolConformanceKind::Specialized: {
|
|
auto spec = cast<SpecializedProtocolConformance>(this);
|
|
os << "specialize <";
|
|
interleave(spec->getSubstitutionMap().getReplacementTypes(),
|
|
[&](Type type) { type.print(os, PO); },
|
|
[&] { os << ", "; });
|
|
|
|
os << "> (";
|
|
spec->getGenericConformance()->printName(os, PO);
|
|
os << ")";
|
|
break;
|
|
}
|
|
case ProtocolConformanceKind::Inherited: {
|
|
auto inherited = cast<InheritedProtocolConformance>(this);
|
|
os << "inherit (";
|
|
inherited->getInheritedConformance()->printName(os, PO);
|
|
os << ")";
|
|
break;
|
|
}
|
|
case ProtocolConformanceKind::Builtin: {
|
|
auto builtin = cast<BuiltinProtocolConformance>(this);
|
|
os << builtin->getProtocol()->getName()
|
|
<< " type " << builtin->getType();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void swift::printEnumElementsAsCases(
|
|
llvm::DenseSet<EnumElementDecl *> &UnhandledElements,
|
|
llvm::raw_ostream &OS) {
|
|
// Sort the missing elements to a vector because set does not guarantee
|
|
// orders.
|
|
SmallVector<EnumElementDecl *, 4> SortedElements;
|
|
SortedElements.insert(SortedElements.begin(), UnhandledElements.begin(),
|
|
UnhandledElements.end());
|
|
std::sort(SortedElements.begin(), SortedElements.end(),
|
|
[](EnumElementDecl *LHS, EnumElementDecl *RHS) {
|
|
return LHS->getNameStr().compare(RHS->getNameStr()) < 0;
|
|
});
|
|
|
|
auto printPayloads = [](ParameterList *PL, llvm::raw_ostream &OS) {
|
|
// If the enum element has no payloads, return.
|
|
if (!PL)
|
|
return;
|
|
OS << "(";
|
|
// Print each element in the pattern match.
|
|
for (auto i = PL->begin(); i != PL->end(); ++i) {
|
|
auto *param = *i;
|
|
if (param->hasName()) {
|
|
OS << tok::kw_let << " " << param->getName().str();
|
|
} else {
|
|
OS << "_";
|
|
}
|
|
if (i + 1 != PL->end()) {
|
|
OS << ", ";
|
|
}
|
|
}
|
|
OS << ")";
|
|
};
|
|
|
|
// Print each enum element name.
|
|
std::for_each(SortedElements.begin(), SortedElements.end(),
|
|
[&](EnumElementDecl *EE) {
|
|
OS << tok::kw_case << " ." << EE->getNameStr();
|
|
printPayloads(EE->getParameterList(), OS);
|
|
OS << ": " << getCodePlaceholder() << "\n";
|
|
});
|
|
}
|
|
/// For a protocol, don't consult getInherited() at all. Instead, rebuild
|
|
/// the inherited types from getInheritedProtocols(), getSuperclass(), and
|
|
/// the inverse requirement transform.
|
|
///
|
|
/// FIXME: This seems generally useful and should be moved elsewhere.
|
|
static void getSyntacticInheritanceClause(const ProtocolDecl *proto,
|
|
llvm::SmallVectorImpl<InheritedEntry> &Results) {
|
|
auto &ctx = proto->getASTContext();
|
|
|
|
auto genericSig = proto->getGenericSignature();
|
|
if (auto superclassTy = genericSig->getSuperclassBound(
|
|
proto->getSelfInterfaceType())) {
|
|
Results.emplace_back(TypeLoc::withoutLoc(superclassTy),
|
|
/*isUnchecked=*/false,
|
|
/*isRetroactive=*/false,
|
|
/*isPreconcurrency=*/false);
|
|
}
|
|
|
|
InvertibleProtocolSet inverses = InvertibleProtocolSet::allKnown();
|
|
|
|
for (auto *inherited : proto->getInheritedProtocols()) {
|
|
if (auto ip = inherited->getInvertibleProtocolKind()) {
|
|
inverses.remove(*ip);
|
|
continue;
|
|
}
|
|
|
|
for (auto ip : InvertibleProtocolSet::allKnown()) {
|
|
auto *proto = ctx.getProtocol(getKnownProtocolKind(ip));
|
|
if (inherited->inheritsFrom(proto))
|
|
inverses.remove(ip);
|
|
}
|
|
|
|
Results.emplace_back(TypeLoc::withoutLoc(inherited->getDeclaredInterfaceType()),
|
|
/*isUnchecked=*/false,
|
|
/*isRetroactive=*/false,
|
|
/*isPreconcurrency=*/false);
|
|
}
|
|
|
|
for (auto ip : inverses) {
|
|
InvertibleProtocolSet singleton;
|
|
singleton.insert(ip);
|
|
|
|
auto inverseTy = ProtocolCompositionType::get(
|
|
ctx, ArrayRef<Type>(), singleton,
|
|
/*hasExplicitAnyObject=*/false);
|
|
Results.emplace_back(TypeLoc::withoutLoc(inverseTy),
|
|
/*isUnchecked=*/false,
|
|
/*isRetroactive=*/false,
|
|
/*isPreconcurrency=*/false);
|
|
}
|
|
}
|
|
|
|
void
|
|
swift::getInheritedForPrinting(
|
|
const Decl *decl, const PrintOptions &options,
|
|
llvm::SmallVectorImpl<InheritedEntry> &Results) {
|
|
if (auto *proto = dyn_cast<ProtocolDecl>(decl)) {
|
|
getSyntacticInheritanceClause(proto, Results);
|
|
return;
|
|
}
|
|
|
|
InheritedTypes inherited = InheritedTypes(decl);
|
|
|
|
// Collect explicit inherited types.
|
|
for (auto i : inherited.getIndices()) {
|
|
if (auto ty = inherited.getResolvedType(i)) {
|
|
// Preserve inverses separately, because the `foundUnprintable` logic
|
|
// doesn't handle compositions with a mix of printable and unprintable
|
|
// types! That's handled later by `InheritedProtocolCollector`.
|
|
//
|
|
// Generally speaking, `getInheritedForPrinting` needs to be
|
|
// querying `InheritedProtocolCollector` to find out what protocols it
|
|
// should print in the inheritance clause, to reduce code duplication
|
|
// in the printer.
|
|
InvertibleProtocolSet printableInverses;
|
|
|
|
bool foundUnprintable = ty.findIf([&](Type subTy) {
|
|
{
|
|
// We canonicalize the composition to ensure no inverses are missed.
|
|
auto subCanTy = subTy->getCanonicalType();
|
|
if (auto PCT = subCanTy->getAs<ProtocolCompositionType>()) {
|
|
printableInverses.insertAll(PCT->getInverses());
|
|
}
|
|
}
|
|
if (auto aliasTy = dyn_cast<TypeAliasType>(subTy.getPointer()))
|
|
return !options.shouldPrint(aliasTy->getDecl());
|
|
if (auto NTD = subTy->getAnyNominal()) {
|
|
if (!options.shouldPrint(NTD))
|
|
return true;
|
|
}
|
|
return false;
|
|
});
|
|
|
|
// Preserve any inverses that appeared in the unprintable type.
|
|
if (foundUnprintable) {
|
|
if (!printableInverses.empty()) {
|
|
auto inversesTy = ProtocolCompositionType::get(decl->getASTContext(),
|
|
/*members=*/{},
|
|
printableInverses,
|
|
/*anyObject=*/false);
|
|
Results.push_back(InheritedEntry(TypeLoc::withoutLoc(inversesTy)));
|
|
}
|
|
continue;
|
|
}
|
|
}
|
|
if (options.SuppressConformanceSuppression &&
|
|
inherited.getEntry(i).isSuppressed()) {
|
|
continue;
|
|
}
|
|
|
|
Results.push_back(inherited.getEntry(i));
|
|
}
|
|
|
|
// Collect synthesized conformances.
|
|
llvm::SetVector<ProtocolDecl *> protocols;
|
|
llvm::TinyPtrVector<ProtocolDecl *> uncheckedProtocols;
|
|
for (auto attr : decl->getAttrs().getAttributes<SynthesizedProtocolAttr>()) {
|
|
if (auto *proto = attr->getProtocol()) {
|
|
// FIXME: Reconstitute inverses here
|
|
if (proto->getInvertibleProtocolKind())
|
|
continue;
|
|
|
|
// The SerialExecutor conformance is only synthesized on the root
|
|
// actor class, so we can just test resilience immediately.
|
|
if (proto->isSpecificProtocol(KnownProtocolKind::SerialExecutor) &&
|
|
cast<ClassDecl>(decl)->isResilient())
|
|
continue;
|
|
if (proto->getKnownProtocolKind() &&
|
|
*proto->getKnownProtocolKind() == KnownProtocolKind::RawRepresentable &&
|
|
isa<EnumDecl>(decl) &&
|
|
cast<EnumDecl>(decl)->hasRawType())
|
|
continue;
|
|
protocols.insert(proto);
|
|
if (attr->isUnchecked())
|
|
uncheckedProtocols.push_back(proto);
|
|
}
|
|
}
|
|
|
|
for (size_t i = 0; i < protocols.size(); i++) {
|
|
auto proto = protocols[i];
|
|
bool isUnchecked = llvm::is_contained(uncheckedProtocols, proto);
|
|
|
|
if (!options.shouldPrint(proto)) {
|
|
// If private stdlib protocols are skipped and this is a private stdlib
|
|
// protocol, see if any of its inherited protocols are public. Those
|
|
// protocols can affect the user-visible behavior of the declaration, and
|
|
// should be printed.
|
|
if (options.SkipPrivateStdlibDecls &&
|
|
proto->isPrivateStdlibDecl(!options.SkipUnderscoredStdlibProtocols)) {
|
|
auto inheritedProtocols = proto->getInheritedProtocols();
|
|
protocols.insert(inheritedProtocols.begin(), inheritedProtocols.end());
|
|
if (isUnchecked)
|
|
copy(inheritedProtocols, std::back_inserter(uncheckedProtocols));
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// FIXME: Reconstitute inverses here
|
|
if (proto->getInvertibleProtocolKind())
|
|
continue;
|
|
|
|
Results.push_back({TypeLoc::withoutLoc(proto->getDeclaredInterfaceType()),
|
|
isUnchecked,
|
|
/*isRetroactive=*/false,
|
|
/*isPreconcurrency=*/false});
|
|
}
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Generic param list printing.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
void RequirementRepr::print(raw_ostream &out) const {
|
|
StreamPrinter printer(out);
|
|
print(printer);
|
|
}
|
|
|
|
void RequirementRepr::print(ASTPrinter &out) const {
|
|
auto printLayoutConstraint =
|
|
[&](const LayoutConstraintLoc &LayoutConstraintLoc) {
|
|
LayoutConstraintLoc.getLayoutConstraint()->print(out, PrintOptions());
|
|
};
|
|
|
|
switch (getKind()) {
|
|
case RequirementReprKind::LayoutConstraint:
|
|
if (auto *repr = getSubjectRepr()) {
|
|
repr->print(out, PrintOptions());
|
|
}
|
|
out << " : ";
|
|
printLayoutConstraint(getLayoutConstraintLoc());
|
|
break;
|
|
|
|
case RequirementReprKind::TypeConstraint:
|
|
if (auto *repr = getSubjectRepr()) {
|
|
repr->print(out, PrintOptions());
|
|
}
|
|
out << " : ";
|
|
if (auto *repr = getConstraintRepr()) {
|
|
repr->print(out, PrintOptions());
|
|
}
|
|
break;
|
|
|
|
case RequirementReprKind::SameType:
|
|
if (auto *repr = getFirstTypeRepr()) {
|
|
repr->print(out, PrintOptions());
|
|
}
|
|
out << " == ";
|
|
if (auto *repr = getSecondTypeRepr()) {
|
|
repr->print(out, PrintOptions());
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
void GenericParamList::print(raw_ostream &out, const PrintOptions &PO) const {
|
|
StreamPrinter printer(out);
|
|
print(printer, PO);
|
|
}
|
|
|
|
static void printTrailingRequirements(ASTPrinter &Printer,
|
|
ArrayRef<RequirementRepr> Reqs,
|
|
bool printWhereKeyword) {
|
|
if (Reqs.empty())
|
|
return;
|
|
|
|
if (printWhereKeyword)
|
|
Printer << " where ";
|
|
interleave(
|
|
Reqs,
|
|
[&](const RequirementRepr &req) {
|
|
Printer.callPrintStructurePre(PrintStructureKind::GenericRequirement);
|
|
req.print(Printer);
|
|
Printer.printStructurePost(PrintStructureKind::GenericRequirement);
|
|
},
|
|
[&] { Printer << ", "; });
|
|
}
|
|
|
|
void GenericParamList::print(ASTPrinter &Printer,
|
|
const PrintOptions &PO) const {
|
|
Printer << '<';
|
|
interleave(
|
|
*this,
|
|
[&](const GenericTypeParamDecl *P) {
|
|
Printer << P->getName();
|
|
if (!P->getInherited().empty()) {
|
|
Printer << " : ";
|
|
|
|
auto loc = P->getInherited().getEntry(0);
|
|
if (willUseTypeReprPrinting(loc, nullptr, PO)) {
|
|
loc.getTypeRepr()->print(Printer, PO);
|
|
} else {
|
|
loc.getType()->print(Printer, PO);
|
|
}
|
|
}
|
|
},
|
|
[&] { Printer << ", "; });
|
|
|
|
printTrailingRequirements(Printer, getRequirements(),
|
|
/*printWhereKeyword*/ true);
|
|
Printer << '>';
|
|
}
|
|
|
|
void TrailingWhereClause::print(llvm::raw_ostream &OS,
|
|
bool printWhereKeyword) const {
|
|
StreamPrinter Printer(OS);
|
|
printTrailingRequirements(Printer, getRequirements(), printWhereKeyword);
|
|
}
|